/* roulang page: index */
:root{
  --ink:#0F1114;
  --lime:#C7F24E;
  --graphite:#3A4149;
  --paper:#F7F7F4;
  --card:#FFFFFF;
  --line:#E5E6E1;
  --mute:#6E7278;
  --text:#1C1F24;
  --dark-text:#F2F3EF;
  --r-pill:999px;
  --r-card:18px;
  --r-img:14px;
  --r-field:12px;
  --sh-hover:0 8px 24px rgba(15,17,20,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;color:var(--ink);}
h1{font-size:clamp(2rem,5.4vw,3.6rem);line-height:1.12;font-weight:800;}
h2{font-size:clamp(1.5rem,3vw,2.3rem);line-height:1.22;}
h3{font-size:clamp(1.05rem,1.6vw,1.3rem);line-height:1.45;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){ .container{padding:0 32px;} }
@media (min-width:1280px){ .container{padding:0 40px;} }

/* ============ 顶部悬浮胶囊导航 ============ */
.site-header{
  position:fixed;
  top:8px;left:0;right:0;
  z-index:60;
  padding:0 12px;
  transition:top .2s var(--ease);
}
@media (min-width:768px){
  .site-header{top:16px;padding:0 24px;}
}
.nav-shell{
  max-width:1280px;
  margin:0 auto;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 12px 0 14px;
  border:1px solid rgba(15,17,20,.08);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .2s var(--ease),padding .2s var(--ease),box-shadow .2s var(--ease),height .2s var(--ease);
}
@media (min-width:768px){
  .nav-shell{height:64px;padding:0 14px 0 20px;}
}
.site-header.is-scrolled{top:6px;}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.94);
  box-shadow:0 1px 0 rgba(15,17,20,.06),0 8px 24px rgba(15,17,20,.06);
  padding-left:16px;
  padding-right:10px;
}
@media (min-width:768px){
  .site-header.is-scrolled .nav-shell{padding-left:18px;padding-right:12px;}
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:15px;letter-spacing:-.01em;
  color:var(--ink);white-space:nowrap;
}
.brand .mark{
  width:22px;height:22px;flex:0 0 22px;
  border-radius:7px;
  background:var(--ink);
  position:relative;
  overflow:hidden;
}
.brand .mark::after{
  content:"";position:absolute;left:5px;top:5px;width:8px;height:8px;
  background:var(--lime);border-radius:2px;
}
.brand:hover .mark::after{transform:translate(4px,4px);transition:transform .25s var(--ease);}
@media (min-width:768px){
  .brand{font-size:16px;}
}
.nav-links{
  display:none;
  margin-left:auto;
  align-items:center;
  gap:2px;
}
@media (min-width:1024px){
  .nav-links{display:flex;}
}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;
  padding:8px 12px;
  font-size:14.5px;
  color:var(--graphite);
  border-radius:var(--r-pill);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--ink);background:rgba(15,17,20,.045);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-cta{display:none;}
@media (min-width:1024px){
  .nav-cta{display:inline-flex;margin-left:8px;}
}
.nav-toggle{
  margin-left:auto;
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--r-pill);
  cursor:pointer;
  transition:background .2s var(--ease);
}
.nav-toggle:hover{background:rgba(15,17,20,.05);}
@media (min-width:1024px){ .nav-toggle{display:none;} }
.nav-toggle span{
  display:block;width:16px;height:1.6px;background:var(--ink);position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1.6px;background:var(--ink);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:#fff;
  display:flex;flex-direction:column;
  transform:translateY(-8px);
  opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;padding:0 20px;border-bottom:1px solid var(--line);
}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink);
}
.drawer-body{padding:12px 20px;overflow-y:auto;flex:1;}
.drawer-body a{
  display:block;
  font-size:18px;
  line-height:56px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-body a.is-active{color:var(--ink);font-weight:700;}
.drawer-body a.is-active::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--lime);margin-right:10px;vertical-align:middle;
}
.drawer-foot{
  padding:16px 20px calc(16px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:10px;
}
.drawer-foot .drawer-tel{font-size:13.5px;color:var(--mute);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:0;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-hover);background:#1B1F25;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(15,17,20,.28);}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:var(--lime);color:var(--ink);}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(199,242,78,.28);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* 文字箭头链 */
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink);
  position:relative;
}
.link-arrow::after{
  content:"";position:absolute;left:0;right:22px;bottom:-3px;height:1px;
  background:var(--ink);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow .arw{transition:transform .2s var(--ease);}
.link-arrow:hover .arw{transform:translateX(4px);}

/* ============ 区块节奏 ============ */
.section{padding:64px 0;}
@media (min-width:1024px){ .section{padding:120px 0;} }
.section-tight{padding:56px 0;}
@media (min-width:1024px){ .section-tight{padding:88px 0;} }
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;flex-wrap:wrap;
}
@media (min-width:1024px){ .sec-head{margin-bottom:48px;} }
.sec-head .eyebrow{
  display:block;font-size:13px;letter-spacing:.14em;color:var(--mute);
  text-transform:uppercase;margin-bottom:10px;
}
.sec-head p.lead{color:var(--mute);font-size:15px;margin-top:12px;max-width:640px;}

/* ============ Hero ============ */
.hero{
  padding:calc(var(--nav-h) + 40px) 0 56px;
}
@media (min-width:768px){ .hero{padding:calc(64px + 64px) 0 80px;} }
@media (min-width:1024px){ .hero{padding:calc(64px + 96px) 0 110px;} }
.hero-grid{display:grid;gap:40px;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
}
.hero-copy .tagline{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--graphite);margin-bottom:22px;
}
.hero-copy .tagline i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;}
.hero-copy h1{margin-bottom:20px;}
.hero-copy h1 em{font-style:normal;position:relative;white-space:nowrap;}
.hero-copy h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;
  background:rgba(199,242,78,.55);z-index:-1;border-radius:3px;
}
.hero-sub{font-size:16.5px;color:var(--mute);max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:28px;
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
}
.hero-facts div strong{
  display:block;font-size:22px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.hero-facts div span{font-size:13px;color:var(--mute);}

.hero-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);}
.hero-media img{
  width:100%;height:100%;min-height:260px;object-fit:cover;
  aspect-ratio:16/11;
}
@media (min-width:1024px){ .hero-media img{aspect-ratio:4/3.4;} }
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(15,17,20,.62) 0%,rgba(15,17,20,.12) 62%,rgba(15,17,20,0) 100%);
}
.hero-media .media-label{
  position:absolute;left:20px;top:20px;z-index:2;
  height:30px;padding:0 12px;display:inline-flex;align-items:center;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.9);color:var(--ink);
  font-size:12.5px;font-weight:600;
}
.hero-media-card{
  position:absolute;right:16px;bottom:16px;z-index:2;
  width:190px;padding:12px;
  border-radius:14px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.6);
  box-shadow:0 10px 30px rgba(15,17,20,.18);
  display:flex;gap:10px;align-items:center;
}
.hero-media-card img{width:46px;height:46px;flex:0 0 46px;object-fit:cover;border-radius:10px;aspect-ratio:1;}
.hero-media-card b{display:block;font-size:13px;color:var(--ink);line-height:1.4;}
.hero-media-card span{font-size:11.5px;color:var(--mute);line-height:1.4;}

/* ============ 痛点提问 ============ */
.pain-list{border-top:1px solid var(--line);}
.pain-item{
  display:grid;grid-template-columns:64px 1fr;gap:16px;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
@media (min-width:768px){
  .pain-item{grid-template-columns:120px 1fr 320px;align-items:baseline;gap:32px;padding:32px 0;}
}
.pain-item:hover{background:rgba(255,255,255,.7);}
.pain-item .num{
  font-size:14px;font-weight:700;color:var(--graphite);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.pain-item h3{font-weight:600;font-size:clamp(1rem,1.5vw,1.18rem);}
.pain-item p{font-size:14.5px;color:var(--mute);line-height:1.8;}

/* ============ 方案卡（交错） ============ */
.plan-grid{display:grid;gap:24px;}
@media (min-width:1024px){
  .plan-grid{grid-template-columns:repeat(12,1fr);gap:28px;}
  .plan-lg{grid-column:span 7;}
  .plan-side{grid-column:span 5;display:grid;gap:28px;}
  .plan-wide{grid-column:span 12;}
}
.plan-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,17,20,.14);}
.plan-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:#EEEFEA;}
.plan-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.plan-card:hover .plan-thumb img{transform:scale(1.03);}
.plan-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:14px;flex:1;}
@media (min-width:1024px){ .plan-body{padding:26px 26px 28px;} }
.plan-body p{font-size:14.5px;color:var(--mute);}
.plan-points li{
  position:relative;padding-left:16px;font-size:14px;color:var(--graphite);line-height:1.9;
}
.plan-points li::before{
  content:"";position:absolute;left:0;top:14px;width:10px;height:2px;background:var(--lime);border-radius:2px;
}
.plan-wide .plan-inner{display:grid;}
@media (min-width:1024px){
  .plan-wide .plan-inner{grid-template-columns:340px 1fr;align-items:stretch;}
  .plan-wide .plan-thumb{aspect-ratio:auto;height:100%;min-height:240px;}
}
.plan-wide-body{padding:24px;}
@media (min-width:1024px){ .plan-wide-body{padding:32px 34px;} }
.plan-actions{margin-top:auto;padding-top:6px;}

/* ============ 数据通栏 ============ */
.stats{
  background:var(--ink);
  color:var(--dark-text);
  padding:56px 0;
}
@media (min-width:1024px){ .stats{padding:88px 0;} }
.stats-inner{display:grid;gap:28px;}
@media (min-width:640px){ .stats-inner{grid-template-columns:repeat(2,1fr);gap:32px;} }
@media (min-width:1024px){ .stats-inner{grid-template-columns:repeat(4,1fr);gap:0;} }
.stat{padding:0;}
@media (min-width:1024px){
  .stat{padding:0 28px;border-left:1px solid rgba(255,255,255,.12);}
  .stat:first-child{border-left:0;padding-left:0;}
}
.stat b{
  display:block;
  font-size:clamp(2rem,4vw,2.9rem);
  font-weight:800;line-height:1.05;letter-spacing:-.03em;
  color:var(--lime);font-variant-numeric:tabular-nums;
}
.stat b small{font-size:.5em;font-weight:600;margin-left:4px;letter-spacing:0;}
.stat strong{display:block;margin-top:12px;font-size:16px;font-weight:600;color:#fff;}
.stat span{display:block;margin-top:6px;font-size:13px;color:rgba(242,243,239,.62);line-height:1.7;}

/* ============ 最新资讯 ============ */
.news-grid{display:grid;gap:24px;}
@media (min-width:768px){ .news-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .news-grid{grid-template-columns:repeat(3,1fr);} }
.news-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(15,17,20,.14);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#EEEFEA;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:var(--r-pill);
  background:rgba(15,17,20,.05);
  color:var(--graphite);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  width:fit-content;
}
.badge-lime{background:var(--lime);color:var(--ink);}
.news-body h3{
  font-size:16.5px;line-height:1.5;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--mute);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--mute);font-variant-numeric:tabular-nums;
}
.news-meta .arw{transition:transform .2s var(--ease);color:var(--ink);font-weight:600;}
.news-card:hover .news-meta .arw{transform:translateX(5px);}
.news-empty{
  grid-column:1 / -1;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:#fff;
  padding:56px 24px;
  text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.news-empty .ico{
  width:52px;height:52px;border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.news-empty p{font-size:15px;color:var(--mute);}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;
  background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);letter-spacing:-.01em;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#000;}
.faq-q .plus{
  flex:0 0 26px;width:26px;height:26px;position:relative;
  transition:transform .3s var(--ease);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
}
.faq-q .plus::before{left:12px;top:3px;width:2px;height:20px;}
.faq-q .plus::after{top:12px;left:3px;width:20px;height:2px;}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 44px 24px 0;
  font-size:14.8px;color:var(--mute);line-height:1.9;
}

/* ============ 页尾 CTA + 表单 ============ */
.cta-band{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  display:grid;gap:28px;
}
@media (min-width:1024px){
  .cta-band{grid-template-columns:1fr 460px;gap:56px;padding:44px;}
}
.cta-band h2{margin-bottom:14px;}
.cta-band .cta-note{font-size:15px;color:var(--mute);max-width:420px;}
.cta-list{margin-top:24px;display:grid;gap:10px;}
.cta-list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--graphite);
}
.cta-list li::before{
  content:"";position:absolute;left:0;top:13px;width:8px;height:2px;background:var(--lime);border-radius:2px;
}
.form-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
}
@media (min-width:768px){ .form-card{padding:26px;} }
.field{margin-bottom:14px;}
.field label{
  display:block;font-size:13px;color:var(--graphite);margin-bottom:7px;font-weight:600;
}
.field input,.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-field);
  background:#fff;
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(199,242,78,.55);
}
.field.has-error input,.field.has-error textarea{border-color:#C0392B;}
.field .err{display:none;font-size:12.5px;color:#C0392B;margin-top:6px;}
.field.has-error .err{display:block;}
.privacy{
  font-size:12.5px;color:var(--mute);line-height:1.7;margin-top:12px;
}
.check-row{
  display:flex;align-items:flex-start;gap:9px;
  margin-top:14px;font-size:12.8px;color:var(--mute);line-height:1.7;
}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:#0F1114;flex:0 0 16px;}
.form-msg{
  margin-top:12px;font-size:13.5px;color:var(--ink);display:none;
}
.form-msg.is-show{display:block;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:var(--dark-text);
  padding:56px 0 26px;
  margin-top:0;
}
@media (min-width:1024px){ .site-footer{padding:80px 0 30px;} }
.footer-grid{display:grid;gap:36px;}
@media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr);gap:40px;} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:48px;} }
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand .mark{background:var(--lime);}
.footer-brand .brand .mark::after{background:var(--ink);}
.footer-brand p{
  font-size:14px;color:rgba(242,243,239,.62);line-height:1.85;max-width:320px;
}
.footer-col h4{
  font-size:14px;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:.02em;
}
.footer-col li a{
  display:inline-block;
  font-size:14px;line-height:36px;
  color:rgba(242,243,239,.66);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col li a:hover{color:var(--lime);transform:translateX(2px);}
.footer-contact li{
  font-size:14px;line-height:32px;color:rgba(242,243,239,.66);
}
.footer-contact li b{color:#fff;font-weight:600;margin-right:6px;}
.qr-box{
  margin-top:16px;
  width:104px;height:104px;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.05);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  text-align:center;
}
.qr-box span{font-size:11.5px;color:rgba(242,243,239,.6);line-height:1.4;}
.qr-box i{
  width:28px;height:28px;border:1px solid rgba(199,242,78,.7);border-radius:6px;display:block;
}
.footer-bottom{
  margin-top:40px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(242,243,239,.5);
}
.footer-bottom a:hover{color:var(--lime);}

/* ============ 弹层 ============ */
.modal-mask{
  position:fixed;inset:0;z-index:90;
  background:rgba(15,17,20,.6);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;
  padding:20px;
  opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s;
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal-panel{
  width:100%;max-width:520px;
  background:#fff;
  border-radius:20px;
  padding:28px 24px 24px;
  position:relative;
  transform:translateY(8px);
  transition:transform .26s var(--ease);
  max-height:calc(100vh - 40px);
  overflow-y:auto;
}
@media (min-width:768px){ .modal-panel{padding:32px;} }
.modal-mask.is-open .modal-panel{transform:translateY(0);}
@media (max-width:767px){
  .modal-mask{align-items:flex-end;padding:0;}
  .modal-panel{
    max-width:none;border-radius:20px 20px 0 0;
    padding-bottom:calc(24px + env(safe-area-inset-bottom));
    max-height:92vh;
  }
}
.modal-panel h3{font-size:20px;margin-bottom:6px;}
.modal-panel .modal-sub{font-size:13.5px;color:var(--mute);margin-bottom:20px;}
.modal-close{
  position:absolute;right:16px;top:16px;
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  font-size:17px;line-height:1;color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease);
}
.modal-close:hover{background:rgba(15,17,20,.05);}

/* ============ 滚动渐入 ============ */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease);}
.js .reveal.in{opacity:1;transform:none;}
.js .reveal[data-delay="1"]{transition-delay:.07s;}
.js .reveal[data-delay="2"]{transition-delay:.14s;}
.js .reveal[data-delay="3"]{transition-delay:.21s;}

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

/* roulang page: category1 */
:root{
  --ink:#0F1114;
  --lime:#C7F24E;
  --steel:#3A4149;
  --paper:#F7F7F4;
  --card:#FFFFFF;
  --line:#E5E6E1;
  --muted:#6E7278;
  --body:#1C1F24;
  --r-card:18px;
  --r-img:14px;
  --shadow-hover:0 8px 24px rgba(15,17,20,.08);
  --shadow-nav:0 10px 30px rgba(15,17,20,.07);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em;font-weight:700}
p{margin:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
button,input,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 40px}}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:sticky;top:8px;z-index:90;padding:0 12px;transition:top .2s var(--ease)}
.nav-shell{
  max-width:1280px;margin:0 auto;height:56px;
  display:flex;align-items:center;gap:14px;
  padding:0 10px 0 14px;
  border:1px solid rgba(15,17,20,.08);
  border-radius:999px;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:height .2s var(--ease),padding .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{top:8px}
.site-header.is-scrolled .nav-shell{
  height:56px;padding:0 8px 0 16px;
  background:rgba(255,255,255,.94);
  box-shadow:var(--shadow-nav);
}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:16px;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.brand .mark{
  width:20px;height:20px;border-radius:6px;background:var(--ink);position:relative;flex:0 0 auto;
}
.brand .mark::after{
  content:"";position:absolute;right:3px;bottom:3px;width:7px;height:7px;border-radius:2px;background:var(--lime);
}
.nav-links{display:none;margin-left:auto;align-items:center;gap:2px}
.nav-links a{
  position:relative;display:inline-block;padding:8px 13px;border-radius:999px;
  font-size:14.5px;color:var(--steel);transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-links a:hover{background:rgba(15,17,20,.05);color:var(--ink)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--lime);
}
.nav-cta{margin-left:auto}
.nav-toggle{
  margin-left:auto;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{width:16px;height:1.5px;background:var(--ink);position:relative;display:block;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease);
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
@media (min-width:768px){
  .site-header{top:16px;padding:0 20px}
  .nav-shell{height:64px;padding:0 12px 0 20px;gap:20px}
  .nav-links{display:flex}
  .nav-toggle{display:none}
  .nav-cta{margin-left:0}
}
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--paper);
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .28s var(--ease),opacity .28s var(--ease),visibility .28s;
  display:flex;flex-direction:column;padding:20px;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--ink)}
.drawer nav{padding:12px 0}
.drawer nav a{display:block;font-size:18px;line-height:56px;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer nav a.is-active{color:var(--ink);font-weight:700}
.drawer nav a.is-active::after{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--lime);margin-left:10px}
.drawer-foot{margin-top:auto;display:grid;gap:12px;padding-top:20px;border-top:1px solid var(--line)}
.drawer-foot .tel{font-size:14px;color:var(--muted);text-align:center}
@media (min-width:768px){.drawer{display:none}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#22262C;transform:translateY(-1px);box-shadow:0 8px 24px rgba(15,17,20,.18)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid transparent;transition:border-color .2s var(--ease),gap .2s var(--ease);
}
.link-arrow:hover{border-color:var(--ink);gap:10px}

/* ============ 页面头部 ============ */
.crumb{font-size:13.5px;color:var(--muted);padding:28px 0 0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#C9CAC4}
.crumb .current{color:var(--ink)}
.page-hero{padding:20px 0 8px}
.page-hero h1{font-size:clamp(2rem,4.6vw,3.2rem);line-height:1.12;font-weight:800}
.page-hero .lede{margin-top:14px;font-size:17px;color:var(--steel);max-width:760px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--steel);
}
.tag-lime{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600}

/* ============ 分类胶囊导览 ============ */
.catbar{padding:24px 0 0}
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--steel);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.pill:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.pill.is-current{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600}

/* ============ 通用区块 ============ */
.sec{padding:64px 0}
@media (min-width:768px){.sec{padding:88px 0}}
@media (min-width:1024px){.sec{padding:96px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.sec-head h2{font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.18}
.sec-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 图文交替 ============ */
.zigzag{display:grid;gap:56px}
.zrow{display:grid;gap:24px;align-items:center;padding-bottom:56px;border-bottom:1px solid var(--line)}
.zrow:last-child{border-bottom:0;padding-bottom:0}
.zrow .num{
  font-family:Inter,system-ui,sans-serif;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--muted);display:inline-block;margin-bottom:12px;
}
.zmedia{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;background:#EDEEE8;
}
.zmedia img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.zrow:hover .zmedia img{transform:scale(1.03)}
.ztext h3{font-size:1.25rem;line-height:1.4;margin-bottom:12px}
.ztext p{font-size:16px;color:var(--steel);margin-bottom:16px}
.zlist li{position:relative;padding-left:18px;font-size:15.5px;color:var(--body);margin-bottom:10px}
.zlist li::before{content:"";position:absolute;left:0;top:.78em;width:10px;height:2px;border-radius:2px;background:var(--lime)}
@media (min-width:900px){
  .zrow{grid-template-columns:1fr 1fr;gap:56px}
  .zrow.reverse .zmedia{order:2}
  .zrow.reverse .ztext{order:1}
}

/* ============ 深色节奏带 ============ */
.band{
  background-color:var(--ink);
  background-image:linear-gradient(115deg,rgba(15,17,20,.96) 0%,rgba(15,17,20,.9) 55%,rgba(15,17,20,.86) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#F2F3EF;padding:64px 0;
}
@media (min-width:1024px){.band{padding:88px 0}}
.band h2{color:#F2F3EF;font-size:clamp(1.5rem,2.6vw,2.1rem)}
.band .sub{color:rgba(242,243,239,.66);font-size:15px;margin-top:10px;max-width:620px}
.band-grid{display:grid;gap:0;margin-top:40px;border-top:1px solid rgba(255,255,255,.12)}
.band-item{padding:24px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.band-item .k{font-family:Inter,system-ui,sans-serif;font-size:clamp(1.9rem,3vw,2.5rem);font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1}
.band-item .t{font-size:16px;font-weight:600;margin-top:10px;color:#F2F3EF}
.band-item .d{font-size:13.5px;color:rgba(242,243,239,.6);margin-top:6px}
@media (min-width:768px){
  .band-grid{grid-template-columns:repeat(2,1fr)}
  .band-item{padding:28px 28px 28px 0}
  .band-item:nth-child(odd){border-right:1px solid rgba(255,255,255,.12);padding-right:28px}
  .band-item:nth-child(even){padding-left:28px}
}
@media (min-width:1024px){
  .band-grid{grid-template-columns:repeat(4,1fr)}
  .band-item{padding:30px 24px;border-right:1px solid rgba(255,255,255,.12)}
  .band-item:last-child{border-right:0;padding-right:0}
  .band-item:nth-child(even){padding-left:24px}
}

/* ============ 交付物清单 ============ */
.deliver-grid{display:grid;gap:20px}
.dcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.dcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D6D8D0}
.dcard .idx{
  font-family:Inter,system-ui,sans-serif;font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--muted);
}
.dcard h3{font-size:1.1rem;margin:12px 0 10px}
.dcard p{font-size:15px;color:var(--steel)}
.dcard.wide{grid-column:1/-1;display:grid;gap:18px}
@media (min-width:768px){
  .deliver-grid{grid-template-columns:repeat(2,1fr)}
  .dcard.wide{grid-template-columns:1.1fr 1fr;align-items:center;gap:36px}
}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);margin-top:8px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#000}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;background:#fff;
  transition:transform .3s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.faq-icon::before{content:"";width:10px;height:10px;position:relative;
  background:
    linear-gradient(var(--ink),var(--ink)) center/10px 1.5px no-repeat,
    linear-gradient(var(--ink),var(--ink)) center/1.5px 10px no-repeat;
}
.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 .3s var(--ease)}
.faq-a p{padding:0 46px 22px 0;font-size:15.5px;color:var(--steel)}

/* ============ CTA + 表单 ============ */
.cta{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;display:grid;gap:28px;
}
@media (min-width:768px){.cta{padding:40px}}
@media (min-width:1024px){.cta{grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:48px}}
.cta h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.2}
.cta .cta-note{font-size:15px;color:var(--muted);margin-top:14px}
.cta-points{margin-top:24px;display:grid;gap:10px}
.cta-points li{position:relative;padding-left:20px;font-size:15px;color:var(--steel)}
.cta-points li::before{content:"";position:absolute;left:0;top:.72em;width:10px;height:2px;background:var(--lime);border-radius:2px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
@media (min-width:768px){.form-card{padding:28px}}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--steel);margin-bottom:8px}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;
  background:#FCFCFA;font-size:15px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{min-height:110px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 3px rgba(199,242,78,.55);
}
.field.has-error input,.field.has-error textarea{border-color:#C0392B;background:#FFF8F7}
.field .err{display:none;font-size:12.5px;color:#C0392B;margin-top:6px}
.field.has-error .err{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;margin:14px 0 16px;font-size:13px;color:var(--muted);line-height:1.7}
.consent input{width:16px;height:16px;margin-top:4px;accent-color:#0F1114;flex:0 0 auto}
.privacy{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:12px}
.form-status{font-size:13.5px;margin-top:12px;color:var(--steel);min-height:20px}

/* ============ 弹层 ============ */
.modal{position:fixed;inset:0;z-index:200;display:none}
.modal.is-open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(15,17,20,.6);backdrop-filter:blur(4px);animation:fade .25s var(--ease)}
.modal-panel{
  position:absolute;left:50%;bottom:0;transform:translate(-50%,0);
  width:100%;max-width:520px;background:#fff;border-radius:20px 20px 0 0;
  padding:28px;animation:rise .3s var(--ease);max-height:92vh;overflow:auto;
}
@media (min-width:640px){
  .modal-panel{bottom:auto;top:50%;transform:translate(-50%,-50%);border-radius:20px;padding:32px;animation:pop .3s var(--ease)}
}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}
.modal-head h3{font-size:1.15rem}
.modal-head p{font-size:13.5px;color:var(--muted);margin-top:6px}
.modal-close{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;color:var(--ink);flex:0 0 auto}
.modal-close:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes rise{from{opacity:.6;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%,0)}}
@keyframes pop{from{opacity:.6;transform:translate(-50%,calc(-50% + 8px))}to{opacity:1;transform:translate(-50%,-50%)}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#F2F3EF;padding:64px 0 0;margin-top:64px}
@media (min-width:1024px){.site-footer{padding:80px 0 0;margin-top:96px}}
.footer-grid{display:grid;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px}}
.footer-brand .brand{color:#F2F3EF;font-size:17px}
.footer-brand .brand .mark{background:var(--lime)}
.footer-brand .brand .mark::after{background:var(--ink)}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(242,243,239,.62);max-width:320px;line-height:1.8}
.footer-col h4{color:#F2F3EF;font-size:14px;letter-spacing:.06em;margin-bottom:14px}
.footer-col ul li{margin-bottom:6px}
.footer-col a,.footer-col li{
  font-size:14px;line-height:36px;color:rgba(242,243,239,.68);
  display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col a:hover{color:var(--lime);transform:translateX(2px)}
.footer-contact li{display:block;line-height:1.9}
.footer-contact li b{color:#F2F3EF;font-weight:600;margin-right:8px}
.qr-box{
  margin-top:18px;display:flex;align-items:center;gap:12px;
  border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:12px 14px;max-width:220px;
}
.qr-box i{width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.1);position:relative;flex:0 0 auto}
.qr-box i::after{content:"";position:absolute;inset:12px;border:1px dashed rgba(199,242,78,.7);border-radius:4px}
.qr-box span{font-size:12.5px;line-height:1.5;color:rgba(242,243,239,.65)}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(242,243,239,.5);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink:#0F1114;
  --ink-soft:#22262C;
  --lime:#C7F24E;
  --steel:#3A4149;
  --paper:#F7F7F4;
  --card:#FFFFFF;
  --line:#E5E6E1;
  --muted:#6E7278;
  --text:#1C1F24;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --shadow-hover:0 8px 24px rgba(15,17,20,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.2;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){ .container{padding:0 32px;} }
@media (min-width:1024px){ .container{padding:0 40px;} }

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:sticky;
  top:8px;
  z-index:80;
  padding:0 12px;
}
@media (min-width:768px){
  .site-header{top:16px;padding:0 24px;}
}
.nav-shell{
  max-width:1280px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  height:56px;
  padding:0 8px 0 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:height .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease), padding .2s var(--ease);
}
@media (min-width:768px){
  .nav-shell{height:64px;padding:0 10px 0 22px;gap:24px;}
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.94);
  box-shadow:0 10px 30px rgba(15,17,20,.08);
  border-color:#DCDDD7;
}
@media (min-width:768px){
  .site-header.is-scrolled .nav-shell{height:56px;}
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:16px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
@media (min-width:768px){ .brand{font-size:17px;} }
.brand .mark{
  width:18px;height:18px;border-radius:5px;background:var(--ink);position:relative;flex:0 0 auto;
}
.brand .mark::after{
  content:"";position:absolute;right:-3px;bottom:-3px;width:9px;height:9px;border-radius:3px;background:var(--lime);
}
.nav-links{
  display:none;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
@media (min-width:768px){
  .nav-links{display:flex;}
}
.nav-links a{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--steel);
  border-radius:999px;
  transition:color .2s var(--ease), background .2s var(--ease);
}
.nav-links a:hover{color:var(--ink);background:rgba(15,17,20,.04);}
.nav-links a.is-active{color:var(--ink);font-weight:600;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--lime);
}
.nav-cta{display:none;}
@media (min-width:768px){ .nav-cta{display:inline-flex;margin-left:8px;} }
.nav-toggle{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  transition:background .2s var(--ease), border-color .2s var(--ease);
}
.nav-toggle:hover{background:#F2F3EE;}
.nav-toggle span{
  display:block;width:17px;height:2px;border-radius:2px;background:var(--ink);position:relative;transition:background .2s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:0;width:17px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .22s var(--ease), top .22s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
@media (min-width:768px){ .nav-toggle{display:none;} }

@media (max-width:767px){
  .nav-links{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    position:fixed;
    left:12px;right:12px;top:76px;
    max-height:calc(100vh - 140px);
    overflow-y:auto;
    padding:10px 18px 20px;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--line);
    border-radius:24px;
    box-shadow:0 24px 60px rgba(15,17,20,.16);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
    margin-left:0;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-links a{
    height:54px;
    display:flex;
    align-items:center;
    font-size:17px;
    border-radius:0;
    border-bottom:1px solid var(--line);
    padding:0 4px;
  }
  .nav-links a:last-child{border-bottom:0;}
  .nav-links a.is-active::after{display:none;}
  .nav-links a.is-active{color:var(--ink);}
}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:0;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.btn-primary{background:var(--ink);color:#F7F7F4;}
.btn-primary:hover{background:var(--ink-soft);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#F7F7F4;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  position:relative;
}
.link-arrow::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--ink);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow svg{transition:transform .2s var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 文章头部 ============ */
.article-hero{
  padding:28px 0 0;
}
@media (min-width:768px){ .article-hero{padding:40px 0 0;} }
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb .sep{color:#C3C5BF;}
.breadcrumb .current{
  color:var(--steel);
  max-width:220px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
@media (min-width:768px){ .breadcrumb .current{max-width:520px;} }

.article-head{
  max-width:820px;
  padding-bottom:24px;
  border-bottom:1px solid var(--line);
}
.cat-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:#EEF0E8;
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.cat-badge::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--lime);
}
.article-title{
  font-size:clamp(1.75rem,4vw,2.5rem);
  line-height:1.16;
  letter-spacing:-.02em;
  color:var(--ink);
  word-break:break-word;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 14px;
  margin-top:20px;
  font-size:13.5px;
  color:var(--muted);
}
.article-meta .dot{
  width:4px;height:4px;border-radius:50%;background:#C9CBC4;
}
.article-meta b{font-weight:600;color:var(--steel);}

.article-cover{
  margin:32px 0 0;
  border-radius:16px;
  overflow:hidden;
  aspect-ratio:16/10;
  background:#E9EAE4;
  border:1px solid var(--line);
  position:relative;
}
.article-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s var(--ease);
}
.article-cover::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(135deg, rgba(15,17,20,.34), rgba(15,17,20,.05));
}
.article-cover figcaption{
  position:absolute;left:18px;bottom:14px;
  z-index:2;
  font-size:13px;color:#F2F3EF;letter-spacing:.02em;
}

/* ============ 正文布局 ============ */
.article-main{
  padding:36px 0 8px;
}
@media (min-width:768px){ .article-main{padding:56px 0 12px;} }
.article-layout{
  max-width:1180px;
  margin:0 auto;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:48px;
}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;justify-content:center;gap:56px;}
}
.article-col{min-width:0;}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  word-break:break-word;
  overflow-wrap:anywhere;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  position:relative;
  margin:48px 0 16px;
  padding-left:14px;
  font-size:clamp(1.3rem,2.4vw,1.6rem);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.35;
  color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;background:var(--lime);
}
.article-body h3{
  margin:32px 0 12px;
  font-size:22px;
  font-weight:600;
  line-height:1.4;
  color:var(--ink);
}
.article-body h4{
  margin:24px 0 10px;
  font-size:18px;
  font-weight:600;
  color:var(--ink);
}
.article-body ul,
.article-body ol{
  margin:0 0 1.25em;
  padding-left:1.3em;
  list-style:disc;
}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body li::marker{color:var(--steel);}
.article-body blockquote{
  margin:26px 0;
  padding:20px 22px;
  border-left:3px solid var(--lime);
  border-radius:0 12px 12px 0;
  background:#F1F3EC;
  color:var(--steel);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  height:auto;
  border-radius:12px;
  margin:22px 0;
}
.article-body figure{margin:22px 0;}
.article-body figcaption{
  margin-top:10px;
  font-size:13px;
  text-align:center;
  color:var(--muted);
}
.article-body a{
  color:var(--ink);
  text-decoration:underline;
  text-decoration-color:var(--lime);
  text-decoration-thickness:2px;
  text-underline-offset:3px;
  transition:background .2s var(--ease);
}
.article-body a:hover{background:rgba(199,242,78,.35);}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body hr{
  border:0;height:1px;background:var(--line);margin:36px 0;
}
.table-scroll{
  width:100%;
  overflow-x:auto;
  margin:22px 0;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  -webkit-overflow-scrolling:touch;
}
.article-body table{
  width:100%;
  min-width:520px;
  border-collapse:collapse;
  font-size:15px;
}
.article-body thead th{
  background:var(--ink);
  color:#F2F3EF;
  font-weight:600;
  text-align:left;
  padding:12px 16px;
  white-space:nowrap;
}
.article-body td{
  border-top:1px solid var(--line);
  padding:12px 16px;
  text-align:left;
  vertical-align:top;
}
.article-body tbody tr:nth-child(even){background:#FAFAF7;}
.article-body tbody tr:hover{background:#F3F5EC;}

/* 空态 */
.article-empty{
  border:1px dashed #D7D9D2;
  border-radius:var(--r-card);
  background:#fff;
  padding:56px 28px;
  text-align:center;
}
.article-empty .icon{
  width:52px;height:52px;margin:0 auto 18px;
  border-radius:16px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  background:#F7F7F4;
}
.article-empty p{
  font-size:17px;
  color:var(--steel);
  margin-bottom:22px;
}

/* 标签 */
.article-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:44px 0 0;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:13.5px;
  color:var(--steel);
  transition:border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}
.tag:hover{border-color:var(--ink);color:var(--ink);background:#F3F5EC;}

/* 上一篇 / 下一篇 */
.article-nav-cards{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  margin-top:26px;
}
@media (min-width:768px){
  .article-nav-cards{grid-template-columns:1fr 1fr;}
}
.nav-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.nav-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D5D7CF;}
.nav-card .kicker{
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--muted);
}
.nav-card h4{
  font-size:16.5px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
}
.nav-card .go{
  margin-top:2px;
  font-size:13.5px;
  font-weight:600;
  color:var(--steel);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.nav-card:hover .go{color:var(--ink);}

/* 侧栏 */
.article-side{
  display:flex;
  flex-direction:column;
  gap:20px;
  min-width:0;
}
@media (min-width:1280px){
  .article-side{position:sticky;top:100px;align-self:start;}
}
.side-card{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  padding:22px;
}
.side-card h3{
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--ink);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";width:10px;height:10px;border-radius:3px;background:var(--lime);
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;
  padding:8px 10px;
  border-radius:10px;
  font-size:14px;
  line-height:1.6;
  color:var(--steel);
  border-left:2px solid transparent;
  transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.toc-list a:hover{background:#F4F6EE;color:var(--ink);border-left-color:var(--lime);}
.side-links{display:flex;flex-direction:column;gap:2px;}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 4px;
  font-size:14.5px;
  color:var(--steel);
  border-bottom:1px solid var(--line);
  transition:color .2s var(--ease), padding-left .2s var(--ease);
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:var(--ink);padding-left:8px;}
.side-links svg{flex:0 0 auto;transition:transform .2s var(--ease);}
.side-links a:hover svg{transform:translateX(3px);}
.side-contact{
  background:var(--ink);
  border-color:var(--ink);
  color:#F2F3EF;
}
.side-contact h3{color:#F2F3EF;}
.side-contact p{
  font-size:13.5px;
  line-height:1.75;
  color:rgba(242,243,239,.72);
  margin-bottom:18px;
}
.side-contact .btn{width:100%;background:var(--lime);color:var(--ink);border-color:var(--lime);}
.side-contact .btn:hover{background:#D6F96F;color:var(--ink);}

/* 相关推荐 */
.related{
  padding:72px 0 8px;
}
@media (min-width:768px){ .related{padding:96px 0 12px;} }
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  color:var(--ink);
}
.section-head p{
  font-size:14.5px;
  color:var(--muted);
  margin-top:8px;
}
.related-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:640px){ .related-grid{grid-template-columns:1fr 1fr;} }
@media (min-width:1024px){ .related-grid{grid-template-columns:repeat(3,1fr);} }
.card{
  display:flex;
  flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  overflow:hidden;
  height:100%;
  transition:transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D5D7CF;}
.card-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:#E9EAE4;
  position:relative;
}
.card-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s var(--ease);
}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.card-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
}
.card-body p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--muted);
}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:6px;
  font-size:13.5px;
  color:var(--muted);
}

/* CTA 区块 */
.cta-band{
  margin:80px 0 0;
  padding:64px 0;
  background:var(--ink);
  color:#F2F3EF;
}
@media (min-width:768px){ .cta-band{padding:88px 0;} }
.cta-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:start;
}
@media (min-width:1024px){
  .cta-grid{grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
}
.cta-copy h2{
  font-size:clamp(1.5rem,2.8vw,2.2rem);
  color:#F2F3EF;
  margin-bottom:16px;
}
.cta-copy p{
  font-size:15px;
  line-height:1.9;
  color:rgba(242,243,239,.72);
  max-width:460px;
}
.cta-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.cta-points span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  font-size:13px;
  color:rgba(242,243,239,.82);
}
.cta-points span::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--lime);
}
.form-card{
  background:#fff;
  border-radius:20px;
  padding:26px;
  color:var(--text);
}
@media (min-width:768px){ .form-card{padding:32px;} }
.form-card h3{
  font-size:18px;
  color:var(--ink);
  margin-bottom:6px;
}
.form-card .hint{
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:20px;
}
.field{
  display:block;
  margin-bottom:14px;
}
.field span{
  display:block;
  font-size:13.5px;
  color:var(--steel);
  margin-bottom:7px;
}
.field input,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:#FCFCFA;
  font-size:15px;
  line-height:1.6;
  outline:none;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,
.field textarea:focus{
  border-color:var(--ink);
  background:#fff;
  box-shadow:0 0 0 3px rgba(199,242,78,.45);
}
.field input::placeholder,
.field textarea::placeholder{color:#A9ACA6;}
.consent{
  display:flex;
  align-items:flex-start;
  gap:9px;
  margin:14px 0 18px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--muted);
}
.consent input{
  width:16px;height:16px;margin-top:3px;accent-color:#0F1114;flex:0 0 auto;
}
.privacy{
  margin-top:12px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--muted);
}

/* 弹层 */
.modal{
  position:fixed;
  inset:0;
  z-index:120;
  display:flex;
  align-items:flex-end;
  justify-content:center;
  opacity:0;
  visibility:hidden;
  transition:opacity .24s var(--ease), visibility .24s;
}
.modal.is-open{opacity:1;visibility:visible;}
.modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(15,17,20,.6);
  -webkit-backdrop-filter:blur(4px);
  backdrop-filter:blur(4px);
}
.modal-panel{
  position:relative;
  z-index:2;
  width:100%;
  max-width:560px;
  background:#fff;
  border-radius:24px 24px 0 0;
  padding:28px 22px 30px;
  transform:translateY(8px);
  transition:transform .28s var(--ease);
  max-height:92vh;
  overflow-y:auto;
}
@media (min-width:768px){
  .modal{align-items:center;}
  .modal-panel{border-radius:20px;padding:32px;transform:translateY(8px);}
}
.modal.is-open .modal-panel{transform:translateY(0);}
.modal-title{
  font-size:20px;
  color:var(--ink);
  margin-bottom:6px;
}
.modal-sub{
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:20px;
}
.modal-close{
  position:absolute;
  top:16px;right:16px;
  width:38px;height:38px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:20px;
  line-height:1;
  color:var(--steel);
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s var(--ease), color .2s var(--ease);
}
.modal-close:hover{background:#F2F3EE;color:var(--ink);}
body.modal-open{overflow:hidden;}

/* 页脚 */
.site-footer{
  background:var(--ink);
  color:#F2F3EF;
  padding:64px 0 0;
  margin-top:0;
}
@media (min-width:768px){ .site-footer{padding:80px 0 0;} }
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding-bottom:48px;
}
@media (min-width:640px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;}
}
.footer-brand .brand{color:#F2F3EF;font-size:17px;}
.footer-brand .mark{background:#F2F3EF;}
.footer-brand .mark::after{background:var(--lime);}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.9;
  color:rgba(242,243,239,.66);
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  color:#F2F3EF;
  margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:2px;}
.footer-col li{font-size:14px;line-height:36px;color:rgba(242,243,239,.66);}
.footer-col li b{font-weight:600;color:rgba(242,243,239,.86);margin-right:8px;}
.footer-col a{
  display:inline-block;
  font-size:14px;
  line-height:36px;
  color:rgba(242,243,239,.66);
  transition:color .2s var(--ease), transform .2s var(--ease);
}
.footer-col a:hover{color:var(--lime);transform:translateX(2px);}
.footer-contact .qr-box{
  margin-top:18px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;
  max-width:220px;
}
.footer-contact .qr-box i{
  width:48px;height:48px;border-radius:10px;
  background:
    linear-gradient(90deg, rgba(242,243,239,.28) 1px, transparent 1px) 0 0/8px 8px,
    linear-gradient(0deg, rgba(242,243,239,.28) 1px, transparent 1px) 0 0/8px 8px,
    rgba(255,255,255,.06);
  flex:0 0 auto;
}
.footer-contact .qr-box span{
  font-size:12.5px;
  line-height:1.6;
  color:rgba(242,243,239,.66);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(242,243,239,.5);
}

/* 滚动渐入 */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s var(--ease), transform .5s var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
    --ink:#0F1114;
    --lime:#C7F24E;
    --graphite:#3A4149;
    --paper:#F7F7F4;
    --card:#FFFFFF;
    --line:#E5E6E1;
    --muted:#6E7278;
    --text:#1C1F24;
    --dark-text:#F2F3EF;
    --radius-card:18px;
    --radius-img:14px;
    --radius-field:12px;
    --shadow-lift:0 8px 24px rgba(15,17,20,.08);
    --ease:cubic-bezier(.22,.61,.36,1);
    --container:1280px;
  }

  *,*::before,*::after{box-sizing:border-box;}

  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }

  body.lock{overflow:hidden;}

  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}

  h1{
    font-size:clamp(2.1rem,5vw,3.5rem);
    font-weight:800;
    line-height:1.1;
    letter-spacing:-.02em;
    color:var(--ink);
  }
  h2{
    font-size:clamp(1.6rem,3vw,2.4rem);
    font-weight:700;
    line-height:1.2;
    letter-spacing:-.02em;
    color:var(--ink);
  }
  h3{
    font-size:1.15rem;
    font-weight:600;
    line-height:1.4;
    color:var(--ink);
  }

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

  @media (min-width:640px){ .container{padding:0 32px;} }
  @media (min-width:1024px){ .container{padding:0 40px;} }

  /* ---------- 悬浮胶囊导航 ---------- */
  .site-header{
    position:sticky;
    top:16px;
    z-index:70;
    padding:0 16px;
    transition:top .2s var(--ease);
  }

  .nav-shell{
    max-width:var(--container);
    margin:0 auto;
    min-height:64px;
    display:flex;
    align-items:center;
    gap:20px;
    padding:8px 10px 8px 20px;
    border:1px solid var(--line);
    border-radius:999px;
    background:rgba(255,255,255,.72);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    transition:background .2s var(--ease),box-shadow .2s var(--ease),padding .2s var(--ease),min-height .2s var(--ease);
  }

  .site-header.is-scrolled{ top:10px; }
  .site-header.is-scrolled .nav-shell{
    min-height:56px;
    background:rgba(255,255,255,.94);
    box-shadow:0 8px 24px rgba(15,17,20,.06);
  }

  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:17px;
    font-weight:700;
    letter-spacing:-.01em;
    color:var(--ink);
    white-space:nowrap;
  }

  .brand .mark{
    position:relative;
    width:14px;
    height:14px;
    flex:none;
    border-radius:4px;
    background:var(--ink);
  }

  .brand .mark::after{
    content:"";
    position:absolute;
    right:-3px;
    bottom:-3px;
    width:8px;
    height:8px;
    border-radius:3px;
    background:var(--lime);
    border:1px solid var(--ink);
  }

  .nav-links{
    display:flex;
    align-items:center;
    gap:2px;
    margin-left:auto;
  }

  .nav-links > a{
    position:relative;
    padding:8px 13px;
    font-size:15px;
    color:var(--graphite);
    border-radius:999px;
    transition:color .2s var(--ease),background .2s var(--ease);
    white-space:nowrap;
  }

  .nav-links > a:hover{
    color:var(--ink);
    background:rgba(15,17,20,.05);
  }

  .nav-links > a.is-active{
    color:var(--ink);
    font-weight:600;
  }

  .nav-links > a.is-active::after{
    content:"";
    position:absolute;
    left:13px;
    right:13px;
    bottom:3px;
    height:2px;
    border-radius:2px;
    background:var(--lime);
  }

  .drawer-foot{ display:none; }

  .nav-toggle{
    display:none;
    margin-left:auto;
    width:44px;
    height:44px;
    border:1px solid var(--line);
    border-radius:999px;
    background:#fff;
    cursor:pointer;
    position:relative;
    flex:none;
    transition:border-color .2s var(--ease),background .2s var(--ease);
  }

  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after{
    content:"";
    position:absolute;
    left:50%;
    width:18px;
    height:2px;
    border-radius:2px;
    background:var(--ink);
    transform:translateX(-50%);
    transition:transform .2s var(--ease),opacity .2s var(--ease);
  }

  .nav-toggle span{ top:50%; margin-top:-1px; }
  .nav-toggle span::before{ top:-6px; }
  .nav-toggle span::after{ top:6px; }

  .nav-toggle[aria-expanded="true"] span{ background:transparent; }
  .nav-toggle[aria-expanded="true"] span::before{ transform:translateX(-50%) rotate(45deg); top:0; }
  .nav-toggle[aria-expanded="true"] span::after{ transform:translateX(-50%) rotate(-45deg); top:0; }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:0 24px;
    font-size:15px;
    font-weight:600;
    border-radius:999px;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  }

  .btn-primary{
    background:var(--ink);
    color:#fff;
    border-color:var(--ink);
  }

  .btn-primary:hover{
    transform:translateY(-1px);
    box-shadow:var(--shadow-lift);
    background:#22262c;
  }

  .btn-primary:active{ transform:translateY(0); }

  .btn-ghost{
    background:transparent;
    color:var(--ink);
    border-color:var(--ink);
  }

  .btn-ghost:hover{
    background:var(--ink);
    color:#fff;
  }

  .btn-sm{ min-height:40px; padding:0 18px; font-size:14px; }
  .btn-block{ width:100%; }

  .btn:focus-visible,
  .nav-links > a:focus-visible,
  .brand:focus-visible,
  .nav-toggle:focus-visible,
  .cat-tabs a:focus-visible,
  .text-link:focus-visible,
  .faq-q:focus-visible,
  input:focus-visible,
  textarea:focus-visible{
    outline:2px solid var(--lime);
    outline-offset:2px;
  }

  .btn[disabled]{ opacity:.45; cursor:default; transform:none; box-shadow:none; }

  /* ---------- 文本链 ---------- */
  .text-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--ink);
    padding-bottom:2px;
  }

  .text-link::after{
    content:"";
    position:absolute;
    left:0;
    right:0;
    bottom:0;
    height:1px;
    background:var(--ink);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .2s var(--ease);
  }

  .text-link:hover::after{ transform:scaleX(1); }

  /* ---------- 面包屑 ---------- */
  .crumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:var(--muted);
  }

  .crumb a{ color:var(--muted); transition:color .2s var(--ease); }
  .crumb a:hover{ color:var(--ink); }
  .crumb em{ font-style:normal; color:var(--ink); }

  /* ---------- 分类页首屏 ---------- */
  .page-hero{
    padding:40px 0 0;
  }

  .hero-grid{
    display:grid;
    gap:36px;
    align-items:center;
    margin-top:26px;
  }

  @media (min-width:1024px){
    .hero-grid{ grid-template-columns:1.12fr .88fr; gap:56px; }
  }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:600;
    letter-spacing:.06em;
    color:var(--graphite);
    text-transform:uppercase;
  }

  .eyebrow::before{
    content:"";
    width:18px;
    height:2px;
    border-radius:2px;
    background:var(--lime);
  }

  .hero-lead{
    margin-top:18px;
    font-size:clamp(1rem,1.6vw,1.15rem);
    color:var(--graphite);
    max-width:34em;
  }

  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:32px;
  }

  .hero-figure{
    position:relative;
    border-radius:20px;
    overflow:hidden;
    border:1px solid var(--line);
    background:#fff;
  }

  .hero-figure img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
  }

  .hero-figure::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(135deg,rgba(15,17,20,.42),rgba(15,17,20,.02) 60%);
    pointer-events:none;
  }

  .hero-figure figcaption{
    position:relative;
    z-index:2;
    padding:12px 18px;
    font-size:13px;
    color:var(--muted);
    background:#fff;
  }

  /* ---------- 分类胶囊导览 ---------- */
  .cat-tabs{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:44px;
    padding:20px;
    border:1px solid var(--line);
    border-radius:999px;
    background:#fff;
  }

  @media (min-width:768px){
    .cat-tabs{ border-radius:999px; }
  }

  .cat-tabs a{
    display:inline-flex;
    align-items:center;
    min-height:40px;
    padding:0 18px;
    font-size:14px;
    font-weight:500;
    color:var(--graphite);
    border:1px solid var(--line);
    border-radius:999px;
    background:#fff;
    transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
  }

  .cat-tabs a:hover{
    color:var(--ink);
    border-color:var(--ink);
    transform:translateY(-1px);
  }

  .cat-tabs a.is-current{
    background:var(--lime);
    border-color:var(--lime);
    color:var(--ink);
    font-weight:700;
  }

  /* ---------- 板块 ---------- */
  .section{ padding:88px 0; }
  @media (min-width:1024px){ .section{ padding:96px 0; } }

  .section-alt{
    background:#fff;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }

  .section-head{
    display:flex;
    flex-wrap:wrap;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:40px;
  }

  .section-head h2{ margin-top:14px; }

  .section-sub{
    margin-top:12px;
    font-size:15px;
    color:var(--muted);
    max-width:44em;
  }

  /* ---------- 表格 ---------- */
  .table-scroll{
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
  }

  .spec-table{
    width:100%;
    min-width:720px;
    border-collapse:collapse;
    font-size:15px;
  }

  .spec-table caption{
    caption-side:top;
    text-align:left;
    padding:18px 20px 0;
    font-size:13px;
    color:var(--muted);
  }

  .spec-table thead th{
    background:#F1F2ED;
    color:var(--ink);
    font-weight:600;
    font-size:14px;
    letter-spacing:.01em;
    white-space:nowrap;
  }

  .spec-table th,
  .spec-table td{
    padding:15px 20px;
    text-align:left;
    border-bottom:1px solid var(--line);
    vertical-align:top;
  }

  .spec-table tbody th{
    font-weight:600;
    color:var(--ink);
    white-space:nowrap;
    background:#FCFCFA;
  }

  .spec-table tbody td{ color:var(--graphite); }

  .spec-table tbody tr{ transition:background .18s var(--ease); }
  .spec-table tbody tr:hover{ background:#FAFBF4; }
  .spec-table tbody tr:last-child th,
  .spec-table tbody tr:last-child td{ border-bottom:none; }

  .table-note{
    margin-top:14px;
    font-size:13px;
    color:var(--muted);
  }

  /* ---------- 双列信息卡 ---------- */
  .info-layout{
    display:grid;
    gap:24px;
  }

  @media (min-width:1024px){
    .info-layout{ grid-template-columns:1.05fr 1fr; gap:28px; }
  }

  .info-stack{
    display:grid;
    gap:24px;
  }

  @media (min-width:1024px){
    .info-stack{ gap:28px; }
  }

  .info-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:28px;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }

  .info-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-lift);
    border-color:#D8DAD2;
  }

  .info-card p{
    margin-top:12px;
    font-size:15px;
    color:var(--graphite);
  }

  .tag-cloud{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-top:20px;
  }

  .tag{
    display:inline-flex;
    align-items:center;
    min-height:32px;
    padding:0 14px;
    font-size:13px;
    color:var(--ink);
    background:#F3F4EF;
    border:1px solid var(--line);
    border-radius:999px;
  }

  .tag.is-accent{
    background:var(--lime);
    border-color:var(--lime);
    font-weight:600;
  }

  .mini-list{
    margin-top:18px;
    border-top:1px solid var(--line);
  }

  .mini-list li{
    display:flex;
    gap:10px;
    padding:12px 0;
    font-size:14px;
    color:var(--graphite);
    border-bottom:1px solid var(--line);
  }

  .mini-list li::before{
    content:"";
    flex:none;
    width:12px;
    height:2px;
    margin-top:12px;
    border-radius:2px;
    background:var(--lime);
  }

  .info-wide{
    display:grid;
    gap:24px;
    margin-top:24px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:28px;
  }

  @media (min-width:1024px){
    .info-wide{
      grid-template-columns:.85fr 1.15fr;
      gap:36px;
      align-items:center;
      margin-top:28px;
      padding:32px;
    }
  }

  .info-wide img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    border-radius:var(--radius-img);
  }

  /* ---------- 深色通栏 ---------- */
  .dark-band{
    position:relative;
    overflow:hidden;
    background:var(--ink);
    color:var(--dark-text);
    padding:88px 0;
  }

  @media (min-width:1024px){ .dark-band{ padding:96px 0; } }

  .dark-band::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;
    background-position:center;
    opacity:.16;
  }

  .dark-band > .container{ position:relative; z-index:1; }

  .dark-band h2{ color:var(--dark-text); margin-top:14px; }

  .dark-band .eyebrow{ color:#C9CDBF; }

  .deliver-grid{
    display:grid;
    gap:0;
    margin-top:36px;
    border-top:1px solid rgba(255,255,255,.12);
  }

  @media (min-width:768px){
    .deliver-grid{ grid-template-columns:repeat(2,1fr); column-gap:48px; }
  }

  @media (min-width:1024px){
    .deliver-grid{ grid-template-columns:repeat(4,1fr); }
  }

  .deliver-item{
    padding:24px 0;
    border-bottom:1px solid rgba(255,255,255,.12);
  }

  .deliver-item h3{ color:var(--dark-text); font-size:1.05rem; }

  .deliver-item p{
    margin-top:8px;
    font-size:14px;
    line-height:1.75;
    color:rgba(242,243,239,.68);
  }

  .deliver-item .idx{
    display:block;
    font-size:13px;
    font-weight:700;
    letter-spacing:.08em;
    color:var(--lime);
    font-variant-numeric:tabular-nums;
    margin-bottom:10px;
  }

  /* ---------- 步骤条 ---------- */
  .step-row{
    display:grid;
    gap:20px;
  }

  @media (min-width:640px){ .step-row{ grid-template-columns:repeat(2,1fr); } }
  @media (min-width:1024px){ .step-row{ grid-template-columns:repeat(4,1fr); } }

  .step-item{
    position:relative;
    padding:26px 24px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }

  .step-item:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-lift);
    border-color:#D8DAD2;
  }

  .step-no{
    display:inline-block;
    font-size:13px;
    font-weight:700;
    letter-spacing:.08em;
    color:var(--graphite);
    font-variant-numeric:tabular-nums;
  }

  .step-item h3{ margin-top:10px; }

  .step-item p{
    margin-top:8px;
    font-size:14px;
    color:var(--muted);
  }

  /* ---------- FAQ ---------- */
  .faq{
    border-top:1px solid var(--line);
  }

  .faq-item{ border-bottom:1px solid var(--line); }

  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding:24px 0;
    background:transparent;
    border:0;
    text-align:left;
    font-size:1.02rem;
    font-weight:600;
    color:var(--ink);
    cursor:pointer;
    transition:color .2s var(--ease);
  }

  .faq-q:hover{ color:#000; }

  .faq-q i{
    position:relative;
    flex:none;
    width:22px;
    height:22px;
    border:1px solid var(--line);
    border-radius:999px;
    transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
  }

  .faq-q i::before,
  .faq-q i::after{
    content:"";
    position:absolute;
    left:50%;
    top:50%;
    width:10px;
    height:2px;
    border-radius:2px;
    background:var(--ink);
    transform:translate(-50%,-50%);
    transition:transform .3s var(--ease),background .3s var(--ease);
  }

  .faq-q i::after{ transform:translate(-50%,-50%) rotate(90deg); }

  .faq-item.is-open .faq-q i{
    transform:rotate(45deg);
    background:var(--lime);
    border-color:var(--lime);
  }

  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .3s var(--ease);
  }

  .faq-a-inner{
    padding:0 0 26px;
    max-width:62em;
    font-size:15px;
    color:var(--graphite);
  }

  /* ---------- CTA + 表单 ---------- */
  .cta-section{
    background:#fff;
    border-top:1px solid var(--line);
  }

  .cta-grid{
    display:grid;
    gap:36px;
    align-items:start;
  }

  @media (min-width:1024px){
    .cta-grid{ grid-template-columns:1fr 1fr; gap:64px; }
  }

  .cta-copy h2{ margin-top:14px; }

  .cta-copy p{
    margin-top:16px;
    font-size:15px;
    color:var(--graphite);
    max-width:32em;
  }

  .cta-points{ margin-top:26px; border-top:1px solid var(--line); }

  .cta-points li{
    display:flex;
    gap:12px;
    align-items:flex-start;
    padding:14px 0;
    border-bottom:1px solid var(--line);
    font-size:14px;
    color:var(--graphite);
  }

  .cta-points li::before{
    content:"";
    flex:none;
    width:12px;
    height:2px;
    margin-top:12px;
    border-radius:2px;
    background:var(--lime);
  }

  .form-card{
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:28px;
  }

  @media (min-width:640px){
    .form-card{ padding:32px; }
  }

  .field{
    display:block;
    margin-bottom:18px;
  }

  .field span{
    display:block;
    margin-bottom:8px;
    font-size:14px;
    font-weight:600;
    color:var(--ink);
  }

  .field input,
  .field textarea{
    width:100%;
    min-height:48px;
    padding:12px 16px;
    font-size:15px;
    font-family:inherit;
    color:var(--text);
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-field);
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }

  .field textarea{ min-height:110px; resize:vertical; line-height:1.7; }

  .field input::placeholder,
  .field textarea::placeholder{ color:#A2A6A9; }

  .field input:focus,
  .field textarea:focus{
    outline:none;
    border-color:var(--ink);
    box-shadow:0 0 0 3px rgba(199,242,78,.55);
  }

  .check-line{
    display:flex;
    align-items:flex-start;
    gap:10px;
    margin:6px 0 20px;
    font-size:13px;
    color:var(--muted);
  }

  .check-line input{
    flex:none;
    width:18px;
    height:18px;
    margin-top:3px;
    accent-color:#0F1114;
  }

  .form-privacy{
    margin-top:14px;
    font-size:13px;
    line-height:1.7;
    color:var(--muted);
  }

  /* ---------- 弹层 ---------- */
  .modal{
    position:fixed;
    inset:0;
    z-index:120;
    display:flex;
    align-items:flex-end;
    justify-content:center;
    opacity:0;
    pointer-events:none;
    transition:opacity .22s var(--ease);
  }

  @media (min-width:640px){
    .modal{ align-items:center; }
  }

  .modal.is-open{ opacity:1; pointer-events:auto; }

  .modal-mask{
    position:absolute;
    inset:0;
    background:rgba(15,17,20,.6);
    backdrop-filter:blur(4px);
    -webkit-backdrop-filter:blur(4px);
  }

  .modal-panel{
    position:relative;
    width:100%;
    max-width:560px;
    max-height:92vh;
    overflow-y:auto;
    background:#fff;
    border-radius:20px 20px 0 0;
    padding:32px 24px 28px;
    transform:translateY(8px);
    transition:transform .22s var(--ease);
  }

  @media (min-width:640px){
    .modal-panel{ border-radius:20px; padding:32px; }
  }

  .modal.is-open .modal-panel{ transform:translateY(0); }

  .modal-close{
    position:absolute;
    right:16px;
    top:16px;
    width:38px;
    height:38px;
    font-size:20px;
    line-height:1;
    color:var(--graphite);
    background:#fff;
    border:1px solid var(--line);
    border-radius:999px;
    cursor:pointer;
    transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
  }

  .modal-close:hover{ color:var(--ink); border-color:var(--ink); }

  .modal-panel h3{ font-size:1.3rem; }

  .modal-sub{
    margin-top:8px;
    margin-bottom:22px;
    font-size:14px;
    color:var(--muted);
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--ink);
    color:var(--dark-text);
    padding:72px 0 28px;
  }

  .footer-grid{
    display:grid;
    gap:36px;
  }

  @media (min-width:640px){
    .footer-grid{ grid-template-columns:repeat(2,1fr); }
  }

  @media (min-width:1024px){
    .footer-grid{ grid-template-columns:1.3fr .8fr .9fr 1.1fr; gap:40px; }
  }

  .footer-brand .brand{ color:var(--dark-text); }
  .footer-brand .brand .mark{ background:var(--lime); }
  .footer-brand .brand .mark::after{ background:var(--ink); border-color:var(--lime); }

  .footer-brand p{
    margin-top:16px;
    font-size:14px;
    line-height:1.8;
    color:rgba(242,243,239,.66);
    max-width:28em;
  }

  .footer-col h4{
    font-size:14px;
    font-weight:600;
    letter-spacing:.04em;
    color:#fff;
    margin-bottom:14px;
  }

  .footer-col ul li{ line-height:36px; }

  .footer-col a{
    display:inline-block;
    font-size:14px;
    color:rgba(242,243,239,.7);
    transition:color .2s var(--ease),transform .2s var(--ease);
  }

  .footer-col a:hover{ color:var(--lime); transform:translateX(2px); }

  .footer-contact ul li{
    font-size:14px;
    color:rgba(242,243,239,.7);
    line-height:1.9;
    margin-bottom:8px;
  }

  .footer-contact ul li b{
    display:inline-block;
    min-width:72px;
    color:#fff;
    font-weight:600;
  }

  .qr-box{
    display:inline-flex;
    align-items:center;
    gap:12px;
    margin-top:16px;
    padding:12px 16px;
    border:1px solid rgba(255,255,255,.14);
    border-radius:14px;
  }

  .qr-box i{
    width:44px;
    height:44px;
    flex:none;
    border-radius:10px;
    background:
      linear-gradient(135deg,rgba(199,242,78,.85),rgba(199,242,78,.2)),
      repeating-linear-gradient(45deg,rgba(255,255,255,.22) 0 4px,transparent 4px 8px);
  }

  .qr-box span{
    font-size:12px;
    line-height:1.6;
    color:rgba(242,243,239,.7);
  }

  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    gap:10px 24px;
    justify-content:space-between;
    margin-top:52px;
    padding-top:22px;
    border-top:1px solid rgba(255,255,255,.12);
    font-size:13px;
    color:rgba(242,243,239,.55);
  }

  /* ---------- 动效 ---------- */
  .reveal{
    opacity:0;
    transform:translateY(12px);
    transition:opacity .55s var(--ease),transform .55s var(--ease);
  }

  .reveal.is-in{ opacity:1; transform:none; }

  @media (prefers-reduced-motion:reduce){
    html{ scroll-behavior:auto; }
    .reveal{ opacity:1; transform:none; transition:none; }
    *{ animation:none !important; transition-duration:.01ms !important; }
  }

  /* ---------- 移动端导航 ---------- */
  @media (max-width:1023px){
    .site-header{ top:8px; padding:0 12px; }
    .nav-shell{ min-height:56px; padding:6px 8px 6px 16px; }
    .brand{ font-size:16px; }

    .nav-cta{ display:none; }
    .nav-toggle{ display:block; }

    .nav-links{
      position:fixed;
      inset:0;
      z-index:80;
      flex-direction:column;
      align-items:stretch;
      justify-content:flex-start;
      gap:0;
      margin:0;
      padding:104px 24px 32px;
      background:var(--paper);
      opacity:0;
      transform:translateY(-8px);
      pointer-events:none;
      overflow-y:auto;
      transition:opacity .25s var(--ease),transform .25s var(--ease);
    }

    .nav-links.is-open{ opacity:1; transform:none; pointer-events:auto; }

    .nav-links > a{
      font-size:18px;
      line-height:56px;
      padding:0;
      border-radius:0;
      border-bottom:1px solid var(--line);
    }

    .nav-links > a:hover{ background:transparent; }

    .nav-links > a.is-active::after{
      left:0;
      right:auto;
      width:28px;
      bottom:-1px;
      height:3px;
    }

    .drawer-foot{
      display:flex;
      flex-direction:column;
      gap:12px;
      margin-top:auto;
      padding-top:32px;
    }

    .drawer-foot .btn{ width:100%; }

    .drawer-tel{
      font-size:13px;
      color:var(--muted);
      text-align:center;
    }
  }

  @media (max-width:520px){
    .hero-actions .btn{ width:100%; }
    .cat-tabs{ border-radius:24px; padding:16px; }
    .cat-tabs a{ min-height:38px; padding:0 14px; font-size:13px; }
    .info-card,
    .info-wide,
    .form-card,
    .step-item{ padding:22px; }
    .spec-table th,
    .spec-table td{ padding:13px 16px; }
  }

/* roulang page: category3 */
:root{
  --ink:#0F1114;
  --lime:#C7F24E;
  --steel:#3A4149;
  --paper:#F7F7F4;
  --card:#FFFFFF;
  --line:#E5E6E1;
  --muted:#6E7278;
  --text:#1C1F24;
  --light:#F2F3EF;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-soft:0 8px 24px rgba(15,17,20,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.18;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea,select{font:inherit}
::selection{background:var(--lime);color:var(--ink)}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 40px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:0;
  border:1px solid transparent;background:none;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#1c2127;transform:translateY(-1px);box-shadow:var(--shadow-soft)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 文字链 ============ */
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink);white-space:nowrap}
.link-arrow .txt{position:relative;padding-bottom:2px}
.link-arrow .txt::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;background:var(--lime);transition:width .2s var(--ease)}
.link-arrow:hover .txt::after{width:100%}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ 标签 / 徽章 ============ */
.tag{display:inline-block;padding:5px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;background:rgba(199,242,78,.16);color:#5c7317;border:1px solid rgba(199,242,78,.5)}
.tag-dark{background:rgba(199,242,78,.14);color:var(--lime);border-color:rgba(199,242,78,.32)}
.badge{display:inline-block;padding:4px 12px;border-radius:var(--r-pill);font-size:12.5px;background:#F1F2ED;color:var(--steel);border:1px solid var(--line)}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:sticky;top:8px;z-index:60;padding:0 12px}
@media (min-width:768px){.site-header{top:16px;padding:0 20px}}
.nav-shell{
  display:flex;align-items:center;gap:10px;
  max-width:1280px;margin:0 auto;height:56px;padding:0 8px 0 16px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:height .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),padding .2s var(--ease);
}
@media (min-width:1024px){
  .nav-shell{height:64px;padding:0 10px 0 22px}
}
.site-header.is-scrolled .nav-shell{
  background:rgba(255,255,255,.94);
  box-shadow:0 6px 20px rgba(15,17,20,.07);
  border-color:#DCded8;
}
@media (min-width:1024px){
  .site-header.is-scrolled .nav-shell{height:58px;padding:0 8px 0 18px}
}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.mark{position:relative;flex:none;width:18px;height:18px;border-radius:5px;background:var(--ink)}
.mark::after{content:"";position:absolute;right:-3px;top:-3px;width:7px;height:7px;border-radius:2px;background:var(--lime)}
.nav-links{display:none;align-items:center;gap:2px;margin-left:auto}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-links a{position:relative;display:inline-block;padding:8px 12px;font-size:14.5px;color:var(--muted);border-radius:var(--r-pill);transition:color .2s var(--ease),background-color .2s var(--ease)}
.nav-links a:hover{color:var(--ink);background:rgba(15,17,20,.04)}
.nav-links a.is-active{color:var(--ink);font-weight:600}
.nav-links a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--lime)}
.nav-cta{display:none;margin-left:8px}
@media (min-width:1024px){.nav-cta{display:inline-flex}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;margin-left:auto;flex:none;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle span{position:relative;display:block;width:16px;height:1.5px;background:var(--ink);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-toggle:hover{background:#F1F2ED}
@media (min-width:1024px){.nav-toggle{display:none}}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;
  background:#fff;padding:20px;
  transform:translateY(-100%);transition:transform .3s var(--ease);
}
.drawer.is-open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;font-size:20px;line-height:1;cursor:pointer}
.drawer-close:hover{background:#F1F2ED}
.drawer-nav{padding:10px 0;flex:1;overflow:auto}
.drawer-nav a{display:block;font-size:18px;line-height:56px;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:#5c7317;font-weight:600}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line)}
.drawer-tel{display:block;margin-top:12px;font-size:13px;color:var(--muted);text-align:center}

/* ============ 内页首屏 ============ */
.banner{position:relative;overflow:hidden;background:var(--ink)}
.banner-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.banner-mask{position:absolute;inset:0;background:linear-gradient(105deg,rgba(15,17,20,.95) 0%,rgba(15,17,20,.78) 50%,rgba(15,17,20,.5) 100%)}
.banner-inner{position:relative;z-index:2;padding:52px 0 48px;color:var(--light)}
@media (min-width:768px){.banner-inner{padding:76px 0 68px}}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(242,243,239,.62)}
.crumbs a{transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{opacity:.5}
.crumbs .now{color:rgba(242,243,239,.92)}
.banner h1{font-size:clamp(2rem,5vw,3.4rem);color:#fff;margin:18px 0 14px;max-width:900px}
.banner-lead{max-width:620px;font-size:16.5px;color:rgba(242,243,239,.78)}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.banner-stats{display:flex;flex-wrap:wrap;gap:28px 48px;margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.banner-stats b{display:block;font-size:26px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.3}
.banner-stats span{font-size:13.5px;color:rgba(242,243,239,.62)}

/* ============ 分类胶囊导览 ============ */
.tabstrip{padding:22px 0 0}
.cat-tabs{display:flex;flex-wrap:wrap;gap:10px}
.cat-tab{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  font-size:14px;color:var(--steel);
  transition:transform .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.cat-tab:hover{transform:translateY(-1px);border-color:#C9CCC4;color:var(--ink)}
.cat-tab.is-current{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600}

/* ============ 板块 ============ */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.sec-title{font-size:clamp(1.6rem,3vw,2.4rem)}
.sec-desc{margin-top:12px;max-width:640px;color:var(--muted);font-size:15.5px}
.sec-side{display:flex;align-items:center;gap:16px}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:34px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:14px;width:1px;background:var(--line)}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 4px rgba(199,242,78,.22);
}
.tl-step{font-size:12.5px;font-weight:700;letter-spacing:.08em;color:#8b8f87}
.tl-item h3{margin:6px 0 8px;font-size:1.2rem}
.tl-item p{color:var(--muted);font-size:15px;max-width:760px}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
@media (min-width:768px){
  .timeline{padding-left:44px}
  .tl-item::before{left:-40px}
  .timeline::before{left:12px}
}

/* ============ 瀑布卡片 ============ */
.falls{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:900px){
  .falls{grid-template-columns:1.08fr .92fr;gap:24px}
  .fall-wide{grid-column:span 2}
}
.fall-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.fall-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#DCDED7}
.fall-thumb{aspect-ratio:16/10;overflow:hidden;background:#EDEEE9}
.fall-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.fall-card:hover .fall-thumb img{transform:scale(1.03)}
.fall-body{padding:22px 24px 26px}
.fall-body h3{font-size:1.15rem;margin-bottom:10px}
.fall-body p{color:var(--muted);font-size:15px}
.fall-dark{background:var(--ink);border-color:var(--ink);color:var(--light)}
.fall-dark h3{color:#fff}
.fall-dark p{color:rgba(242,243,239,.7)}
.fall-wide .fall-split{display:flex;flex-direction:column}
@media (min-width:768px){
  .fall-wide .fall-split{flex-direction:row;align-items:stretch}
  .fall-wide .fall-thumb{flex:0 0 44%;aspect-ratio:auto;min-height:220px}
  .fall-wide .fall-body{flex:1;padding:28px 30px}
}
.mini-list{margin-top:14px;display:grid;gap:8px}
.mini-list li{position:relative;padding-left:16px;font-size:14.5px;color:var(--muted)}
.mini-list li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:2px;border-radius:2px;background:var(--lime)}
.fall-dark .mini-list li{color:rgba(242,243,239,.72)}

/* ============ 信息双列 ============ */
.dual{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:900px){.dual{grid-template-columns:1fr 1fr;gap:24px}}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 26px 24px}
.info-card h3{font-size:1.1rem;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.info-card h3 i{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:none;display:block}
.info-rows{display:grid;gap:12px}
.info-row{display:flex;gap:14px;align-items:baseline;padding-bottom:12px;border-bottom:1px solid var(--line);font-size:14.8px}
.info-row:last-child{border-bottom:0;padding-bottom:0}
.info-row b{flex:none;width:96px;color:var(--ink);font-weight:600}
.info-row span{color:var(--muted)}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);margin-top:6px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:20px 0;background:none;border:0;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#3d4a12}
.faq-q:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.faq-q .ico{position:relative;flex:none;margin-left:auto;width:20px;height:20px;transition:transform .3s var(--ease)}
.faq-q .ico::before,.faq-q .ico::after{content:"";position:absolute;background:var(--steel);border-radius:2px}
.faq-q .ico::before{left:0;top:9px;width:20px;height:1.6px}
.faq-q .ico::after{left:9px;top:0;width:1.6px;height:20px}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 0 22px;color:var(--muted);font-size:15.5px;max-width:800px}

/* ============ CTA + 表单 ============ */
.cta-band{background:var(--ink);color:var(--light);border-radius:24px;padding:34px 24px}
@media (min-width:768px){.cta-band{padding:52px 48px}}
.cta-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){.cta-grid{grid-template-columns:.92fr 1.08fr;gap:56px;align-items:start}}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.2rem)}
.cta-band .cta-note{margin-top:16px;color:rgba(242,243,239,.72);font-size:15.5px;max-width:460px}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{position:relative;padding-left:18px;font-size:14.5px;color:rgba(242,243,239,.75)}
.cta-points li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:2px;border-radius:2px;background:var(--lime)}
.form-card{background:#fff;border-radius:var(--r-card);padding:26px 24px 24px;color:var(--text)}
@media (min-width:768px){.form-card{padding:30px 30px 26px}}
.form-card h3{font-size:1.1rem;margin-bottom:6px}
.form-card .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:6px}
.field input,.field textarea{
  width:100%;padding:12px 14px;min-height:48px;
  border:1px solid var(--line);border-radius:var(--r-input);background:#fff;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(199,242,78,.45)}
.field.has-error input,.field.has-error textarea{border-color:#C0392B;box-shadow:0 0 0 3px rgba(192,57,43,.14)}
.agree{display:flex;gap:10px;align-items:flex-start;margin:14px 0 16px;font-size:13px;color:var(--muted);line-height:1.7}
.agree input{flex:none;width:16px;height:16px;margin-top:4px;accent-color:#0F1114}
.privacy{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.7}
.form-note{margin-top:10px;font-size:13px;color:#5c7317;min-height:18px}

/* ============ 弹层 ============ */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:flex;align-items:center;justify-content:center;padding:20px}
.modal-mask{position:absolute;inset:0;background:rgba(15,17,20,.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:fadeIn .22s var(--ease)}
.modal-panel{
  position:relative;width:100%;max-width:520px;background:#fff;border-radius:20px;
  padding:28px 24px 24px;max-height:90vh;overflow:auto;
  animation:panelIn .26s var(--ease);
}
@media (min-width:768px){.modal-panel{padding:32px}}
.modal-close{position:absolute;right:16px;top:14px;width:36px;height:36px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;font-size:19px;line-height:1;cursor:pointer;transition:background-color .2s var(--ease)}
.modal-close:hover{background:#F1F2ED}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes panelIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (max-width:640px){
  .modal.is-open{align-items:flex-end;padding:0}
  .modal-panel{max-width:none;border-radius:20px 20px 0 0;max-height:92vh}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--light);margin-top:64px;padding:56px 0 22px}
@media (min-width:768px){.site-footer{margin-top:96px;padding:72px 0 26px}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:34px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .brand{color:#fff}
.footer-brand p{margin-top:14px;font-size:14px;color:rgba(242,243,239,.6);max-width:330px;line-height:1.8}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:10px;letter-spacing:.02em}
.footer-col ul li a{display:inline-block;font-size:14px;line-height:36px;color:rgba(242,243,239,.66);transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col ul li a:hover{color:var(--lime);transform:translateX(2px)}
.footer-contact li{font-size:14px;line-height:34px;color:rgba(242,243,239,.66)}
.footer-contact b{color:#fff;font-weight:600;margin-right:10px}
.qr-box{display:flex;align-items:center;gap:12px;margin-top:14px}
.qr-box i{display:block;flex:none;width:64px;height:64px;border-radius:10px;border:1px dashed rgba(242,243,239,.32)}
.qr-box span{font-size:12.5px;color:rgba(242,243,239,.55);line-height:1.6}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(242,243,239,.5);
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --ink:#0F1114;
  --ink-lift:#1A1E24;
  --graphite:#3A4149;
  --lime:#C7F24E;
  --paper:#F7F7F4;
  --card:#FFFFFF;
  --line:#E5E6E1;
  --text:#1C1F24;
  --muted:#6E7278;
  --dark-text:#F2F3EF;
  --r-pill:999px;
  --r-card:18px;
  --r-panel:20px;
  --r-img:16px;
  --r-input:12px;
  --shadow-hover:0 8px 24px rgba(15,17,20,.08);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.15;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
input:focus-visible,textarea:focus-visible,select:focus-visible{outline:none;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1024px){.container{padding:0 40px;}}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:8px;z-index:60;padding:0 12px;}
@media (min-width:768px){.site-header{top:16px;padding:0 20px;}}
.nav-shell{
  max-width:1280px;
  margin:0 auto;
  height:56px;
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 8px 0 16px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background .2s var(--ease),box-shadow .2s var(--ease),height .2s var(--ease),padding .2s var(--ease);
}
@media (min-width:768px){
  .nav-shell{height:64px;padding:0 10px 0 22px;gap:18px;}
}
.site-header.is-scrolled .nav-shell{
  height:56px;
  background:rgba(255,255,255,.94);
  box-shadow:0 8px 24px rgba(15,17,20,.08);
}
@media (min-width:768px){
  .site-header.is-scrolled .nav-shell{height:58px;}
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
  margin-right:auto;
  white-space:nowrap;
}
@media (min-width:768px){.brand{font-size:17px;}}
.mark{
  width:18px;height:18px;flex:none;border-radius:5px;
  background:var(--ink);
  position:relative;
  display:inline-block;
}
.mark::after{
  content:"";position:absolute;right:2px;bottom:2px;width:7px;height:7px;border-radius:2px;background:var(--lime);
}
.nav-links{display:none;}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:2px;}
  .nav-links a{
    position:relative;
    display:inline-block;
    padding:8px 13px;
    font-size:14.5px;
    color:var(--graphite);
    border-radius:var(--r-pill);
    transition:color .2s var(--ease),background .2s var(--ease);
    white-space:nowrap;
  }
  .nav-links a:hover{color:var(--ink);background:rgba(15,17,20,.05);}
  .nav-links a::after{
    content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
    background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
  }
  .nav-links a.is-active{color:var(--ink);font-weight:600;}
  .nav-links a.is-active::after{transform:scaleX(1);}
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;border-radius:var(--r-pill);
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),opacity .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--ink-lift);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#d3f76a;transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-sm{padding:9px 18px;font-size:14px;}
.nav-cta{flex:none;}
@media (max-width:1023px){
  .nav-cta{display:none;}
  body.nav-open .nav-cta{
    display:inline-flex;
    position:fixed;
    left:24px;right:24px;bottom:28px;
    z-index:60;
    justify-content:center;
    padding:15px 24px;
  }
}
.nav-toggle{
  width:40px;height:40px;flex:none;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative;transition:background .2s var(--ease);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink);transition:transform .2s var(--ease);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(5px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-5px) rotate(-45deg);}
@media (min-width:1024px){.nav-toggle{display:none;}}
@media (max-width:1023px){
  .nav-links{
    position:fixed;inset:0;z-index:55;
    display:flex;flex-direction:column;
    padding:96px 24px 140px;
    background:rgba(247,247,244,.98);
    backdrop-filter:blur(6px);
    -webkit-backdrop-filter:blur(6px);
    opacity:0;visibility:hidden;transform:translateY(-6px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease);
  }
  body.nav-open .nav-links{opacity:1;visibility:visible;transform:none;}
  .nav-links a{
    font-size:18px;font-weight:600;line-height:56px;color:var(--ink);
    border-bottom:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;
  }
  .nav-links a.is-active{color:var(--ink);}
  .nav-links a.is-active::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);}
}

/* ---------- 页头 ---------- */
.page-head{padding:52px 0 0;}
@media (min-width:768px){.page-head{padding:68px 0 0;}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:26px;}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease);position:relative;}
.breadcrumb a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);}
.breadcrumb a:hover{color:var(--ink);}
.breadcrumb a:hover::after{transform:scaleX(1);}
.breadcrumb .sep{color:#C3C5C0;}
.breadcrumb .cur{color:var(--graphite);}
.page-head h1{
  font-size:clamp(2rem,4.6vw,3.4rem);
  line-height:1.1;
  letter-spacing:-.02em;
  max-width:20em;
}
.lede{margin-top:18px;font-size:16px;line-height:1.8;color:var(--graphite);max-width:720px;}
@media (min-width:768px){.lede{font-size:17px;}}
.cat-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.cat-nav a{
  padding:9px 18px;font-size:14px;color:var(--graphite);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.cat-nav a:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.cat-nav a.is-current{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:600;}

/* ---------- 板块 ---------- */
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
@media (min-width:1024px){.section{padding:92px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.2rem);}
.section-head p{margin-top:12px;font-size:15px;color:var(--muted);max-width:640px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink);}
.link-arrow i{display:inline-block;transition:transform .2s var(--ease);font-style:normal;}
.link-arrow:hover i{transform:translateX(4px);}
.link-arrow span{position:relative;}
.link-arrow span::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);}
.link-arrow:hover span::after{transform:scaleX(1);}

/* ---------- 对比表 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  -webkit-overflow-scrolling:touch;
}
table.compare{
  border-collapse:separate;
  border-spacing:0;
  width:100%;
  min-width:800px;
  font-size:15px;
}
.compare th,.compare td{
  padding:16px 20px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px solid var(--line);
  line-height:1.7;
}
.compare thead th{
  background:var(--ink);
  color:var(--dark-text);
  font-weight:600;
  font-size:14px;
  letter-spacing:.01em;
  border-bottom:1px solid rgba(255,255,255,.12);
  white-space:nowrap;
}
.compare thead th:first-child{position:sticky;left:0;z-index:3;background:var(--ink);}
.compare tbody th{
  position:sticky;left:0;z-index:2;
  background:#fff;
  font-weight:600;
  color:var(--ink);
  min-width:150px;
  transition:background .2s var(--ease);
}
.compare tbody td{color:var(--graphite);transition:background .2s var(--ease);}
.compare tbody tr:hover th,.compare tbody tr:hover td{background:#FAFAF7;}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:none;}
.compare tbody th::after{content:"";position:absolute;top:0;bottom:0;right:0;width:1px;background:var(--line);}
.table-note{margin-top:16px;font-size:13px;color:var(--muted);display:flex;gap:10px;align-items:flex-start;}
.table-note::before{content:"";width:12px;height:2px;border-radius:2px;background:var(--lime);margin-top:11px;flex:none;}

/* ---------- 图文分栏 ---------- */
.split{display:grid;gap:32px;}
@media (min-width:1024px){
  .split{grid-template-columns:0.92fr 1.08fr;gap:56px;align-items:center;}
}
.media{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  aspect-ratio:16/11;
  background:#EDEEE9;
}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.media:hover img{transform:scale(1.03);}
.point-list{margin-top:26px;}
.point-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:15px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--graphite);
}
.point-list li:first-child{border-top:1px solid var(--line);}
.point-list li::before{
  content:"";width:12px;height:2px;border-radius:2px;background:var(--lime);
  margin-top:12px;flex:none;
}
.point-list strong{color:var(--ink);font-weight:600;}

/* ---------- 信息卡 ---------- */
.cards-2{display:grid;gap:24px;}
@media (min-width:768px){.cards-2{grid-template-columns:1fr 1fr;gap:28px;}}
.info-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
@media (min-width:768px){.info-card{padding:34px;}}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8DAD3;}
.info-card h3{font-size:1.2rem;margin-bottom:14px;}
.info-card > p{font-size:15px;color:var(--muted);}
.info-card ul{margin-top:20px;}
.info-card ul li{
  display:flex;gap:12px;align-items:flex-start;
  padding:10px 0;font-size:15px;color:var(--graphite);
  border-top:1px solid var(--line);
}
.info-card ul li::before{content:"";width:10px;height:2px;border-radius:2px;background:var(--lime);margin-top:12px;flex:none;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.tag{
  padding:5px 13px;font-size:12.5px;border-radius:var(--r-pill);
  background:#F2F3EE;color:var(--graphite);border:1px solid var(--line);
}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--graphite);}
.faq-icon{width:20px;height:20px;position:relative;flex:none;transition:transform .3s var(--ease);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
}
.faq-icon::before{width:14px;height:1.5px;transform:translate(-50%,-50%);}
.faq-icon::after{width:1.5px;height:14px;transform:translate(-50%,-50%);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 0 24px;font-size:15px;color:var(--muted);max-width:780px;}

/* ---------- CTA 与表单 ---------- */
.cta-band{background:var(--ink);color:var(--dark-text);padding:72px 0;}
@media (min-width:1024px){.cta-band{padding:96px 0;}}
.cta-grid{display:grid;gap:36px;}
@media (min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr;gap:64px;align-items:start;}}
.cta-band h2{color:#fff;font-size:clamp(1.6rem,2.8vw,2.4rem);}
.cta-band .cta-lede{margin-top:16px;font-size:16px;color:rgba(242,243,239,.72);max-width:440px;}
.cta-points{margin-top:32px;border-top:1px solid rgba(255,255,255,.12);}
.cta-points li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);
  font-size:15px;color:rgba(242,243,239,.8);
}
.cta-points li::before{content:"";width:12px;height:2px;border-radius:2px;background:var(--lime);margin-top:12px;flex:none;}
.form-card{
  background:#fff;color:var(--text);
  border-radius:var(--r-panel);
  padding:26px;
}
@media (min-width:768px){.form-card{padding:32px;}}
.form-card h3{font-size:1.15rem;margin-bottom:6px;}
.form-card .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;}
.field input[type="text"],
.field input[type="tel"],
.field textarea{
  width:100%;
  padding:13px 16px;
  min-height:48px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  font-size:15px;
  line-height:1.5;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:hover,.field textarea:hover{border-color:#D3D5CE;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--ink);box-shadow:0 0 0 2px rgba(199,242,78,.55);
}
.field.has-error input,.field.has-error textarea{border-color:#C0392B;box-shadow:0 0 0 2px rgba(192,57,43,.12);}
.field .err{display:none;margin-top:6px;font-size:12.5px;color:#C0392B;}
.field.has-error .err{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--muted);line-height:1.7;margin:4px 0 18px;}
.check-row input[type="checkbox"]{width:16px;height:16px;margin-top:3px;flex:none;accent-color:#0F1114;}
.privacy{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.7;}
.form-card .btn{width:100%;}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:20px;}
.modal[hidden]{display:none;}
.modal-mask{position:absolute;inset:0;background:rgba(15,17,20,.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;transition:opacity .3s var(--ease);}
.modal.is-open .modal-mask{opacity:1;}
.modal-panel{
  position:relative;width:100%;max-width:520px;max-height:92vh;overflow:auto;
  background:#fff;border-radius:var(--r-panel);padding:28px;
  opacity:0;transform:translateY(8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
@media (min-width:768px){.modal-panel{padding:32px;}}
.modal.is-open .modal-panel{opacity:1;transform:none;}
.modal-panel h2{font-size:1.15rem;}
.modal-sub{margin-top:6px;font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.modal-close{
  position:absolute;right:16px;top:16px;width:34px;height:34px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;color:var(--graphite);
  display:flex;align-items:center;justify-content:center;transition:background .2s var(--ease),color .2s var(--ease);
}
.modal-close:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
@media (max-width:640px){
  .modal{padding:0;align-items:flex-end;}
  .modal-panel{max-width:none;border-radius:20px 20px 0 0;max-height:94vh;padding:24px 20px 28px;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--dark-text);padding:64px 0 28px;}
@media (min-width:1024px){.site-footer{padding:76px 0 32px;}}
.footer-grid{display:grid;gap:36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:40px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;}}
.footer-brand .brand{color:#fff;font-size:17px;margin-right:0;}
.footer-brand .mark{background:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(242,243,239,.68);max-width:320px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:12px;letter-spacing:.02em;}
.footer-col ul li{font-size:14px;line-height:36px;}
.footer-col ul li a{
  display:inline-block;color:rgba(242,243,239,.72);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-col ul li a:hover{color:var(--lime);transform:translateX(2px);}
.footer-contact li{font-size:14px;line-height:1.9;color:rgba(242,243,239,.72);}
.footer-contact li b{color:#fff;font-weight:600;margin-right:8px;}
.qr-box{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:12.5px;line-height:1.6;color:rgba(242,243,239,.6);}
.qr-box i{
  width:66px;height:66px;flex:none;border-radius:12px;border:1px dashed rgba(255,255,255,.32);
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.14) 0 3px,transparent 3px 9px);
}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(242,243,239,.55);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1 !important;transform:none !important;}
  html{scroll-behavior:auto;}
}