/* roulang page: index */
*,*::before,*::after{box-sizing:border-box}
:root{
  --brand:#123C33;
  --brand-deep:#0A2A24;
  --accent:#C9F24D;
  --accent-deep:#B4E032;
  --paper:#F4F2ED;
  --surface:#FFFFFF;
  --ink-block:#0D1512;
  --text:#12171A;
  --text-2:#5F6B66;
  --text-inverse:#F4F2ED;
  --line:rgba(18,23,26,.10);
  --line-dark:rgba(244,242,237,.16);
  --r-card:18px;
  --r-img:12px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(18,23,26,.04);
  --sh-2:0 18px 44px -20px rgba(18,23,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--accent);color:#0A1A0E}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-dark{background:var(--ink-block);color:var(--text-inverse)}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:500;
  letter-spacing:.14em;
  line-height:1;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow-light{color:var(--accent)}
.section-title{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:16px;
  position:relative;
  padding-left:0;
}
.section-desc{
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
  max-width:680px;
}
.section-dark .section-desc{color:rgba(244,242,237,.66)}
.section-head{margin-bottom:48px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:84px;
  background:rgba(13,21,18,.34);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(244,242,237,.14);
  transition:height .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-solid{
  height:64px;
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.nav-inner{height:100%;display:flex;align-items:center;gap:36px}
.logo{display:flex;align-items:baseline;gap:7px;font-size:19px;font-weight:800;letter-spacing:.01em;color:var(--text-inverse);transition:color .24s var(--ease);white-space:nowrap}
.site-header.is-solid .logo{color:var(--text)}
.logo-sub{font-size:12px;font-weight:500;letter-spacing:.16em;color:var(--accent)}
.site-header.is-solid .logo-sub{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav-link{
  position:relative;
  font-size:15px;
  padding:6px 0;
  color:rgba(244,242,237,.84);
  transition:color .2s var(--ease);
  white-space:nowrap;
}
.site-header.is-solid .nav-link{color:var(--text-2)}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:1px;background:currentColor;
  transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--text-inverse)}
.site-header.is-solid .nav-link:hover{color:var(--text)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--text-inverse)}
.site-header.is-solid .nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{width:22px;height:3px;background:var(--accent);border-radius:2px}
.nav-link.is-active:hover::after{width:22px}
.nav-actions{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(244,242,237,.84);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.site-header.is-solid .icon-btn{color:var(--text-2)}
.icon-btn:hover{background:rgba(244,242,237,.14);color:var(--text-inverse)}
.site-header.is-solid .icon-btn:hover{background:rgba(18,23,26,.06);color:var(--text)}
.icon-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(201,242,77,.5)}
.search-panel{
  position:absolute;left:0;right:0;top:100%;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
  max-height:0;overflow:hidden;
  transition:max-height .26s var(--ease);
}
.search-panel.is-open{max-height:120px}
.search-panel form{display:flex;gap:12px;padding:18px 0}
.search-panel input{
  flex:1;height:48px;border-radius:var(--r-img);
  border:1px solid var(--line);background:var(--surface);
  padding:0 16px;font-size:15px;color:var(--text);
}
.search-panel input::placeholder{color:var(--text-2)}
.search-panel input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(18,60,51,.08)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn svg{transition:transform .22s var(--ease);flex:none}
.btn-primary{background:var(--accent);color:#0A1A0E}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:hover svg{transform:translateX(3px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(201,242,77,.6)}
.btn-ghost{background:transparent;border-color:rgba(244,242,237,.42);color:var(--text-inverse)}
.btn-ghost:hover{background:var(--paper);border-color:var(--paper);color:var(--text)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(244,242,237,.5)}
.btn-line{background:transparent;border-color:var(--line);color:var(--text)}
.btn-line:hover{background:var(--text);border-color:var(--text);color:var(--paper)}
.btn-line:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(18,60,51,.24)}
.btn-sm{height:42px;padding:0 22px;font-size:14px}
.btn-block{width:100%}
.text-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  font-size:15px;font-weight:600;color:var(--brand);padding-bottom:3px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:currentColor;transition:width .2s var(--ease);
}
.text-link:hover::after{width:100%}
.text-link svg{transition:transform .2s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}
.section-dark .text-link{color:var(--accent)}
.text-link:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}

/* ---------- 标签 ---------- */
.tag{
  display:inline-block;
  font-size:12px;font-weight:500;line-height:1;
  padding:7px 11px;border-radius:var(--r-tag);
  background:rgba(18,60,51,.07);color:var(--brand);
  white-space:nowrap;
}
.tag-outline{background:transparent;border:1px solid rgba(18,60,51,.28);color:var(--brand)}
.tag-lime{background:var(--accent);color:#0A1A0E}
.tag-dark{background:rgba(244,242,237,.08);color:rgba(244,242,237,.8);border:1px solid var(--line-dark)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:90vh;
  display:flex;
  align-items:flex-end;
  padding:160px 0 72px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,42,36,.66) 0%,rgba(10,42,36,.58) 42%,rgba(10,42,36,.88) 100%);
}
.hero::after{
  content:"";position:absolute;left:-10%;bottom:-30%;width:120%;height:60%;
  background:repeating-linear-gradient(115deg,rgba(244,242,237,.085) 0 1px,transparent 1px 120px);
  opacity:.75;pointer-events:none;
  animation:fieldDrift 26s linear infinite;
}
@keyframes fieldDrift{from{transform:translateX(0)}to{transform:translateX(-120px)}}
.hero .container{position:relative;z-index:3}
.hero-inner{max-width:840px}
.hero-inner > *{opacity:0;transform:translateY(8px);animation:riseIn .62s var(--ease) forwards}
.hero-inner > *:nth-child(1){animation-delay:.06s}
.hero-inner > *:nth-child(2){animation-delay:.12s}
.hero-inner > *:nth-child(3){animation-delay:.18s}
.hero-inner > *:nth-child(4){animation-delay:.24s}
.hero-inner > *:nth-child(5){animation-delay:.30s}
@keyframes riseIn{to{opacity:1;transform:none}}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:500;letter-spacing:.14em;line-height:1;
  color:var(--accent);
  padding:9px 14px;border-radius:var(--r-tag);
  border:1px solid rgba(201,242,77,.38);
  margin-bottom:26px;
}
.hero h1{
  font-size:clamp(38px,6vw,76px);
  line-height:1.12;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--text-inverse);
  margin-bottom:22px;
}
.hero-sub{
  font-size:clamp(17px,1.6vw,20px);
  line-height:1.75;
  color:rgba(244,242,237,.82);
  max-width:640px;
  margin-bottom:36px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:60px}
.hero-metrics{
  display:flex;gap:56px;flex-wrap:wrap;
  padding-top:28px;
  border-top:1px solid rgba(244,242,237,.18);
}
.metric{min-width:120px}
.metric-num{
  font-size:32px;font-weight:700;line-height:1.1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.metric-label{font-size:14px;color:rgba(244,242,237,.7);margin-top:6px}

/* ---------- 三步上手 ---------- */
.steps-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:56px}
.duration-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:10px 16px;border-radius:var(--r-tag);
  border:1px solid rgba(18,60,51,.24);
  font-size:13px;font-weight:600;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.duration-badge span{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
.step{position:relative;padding:0 36px 0 0}
.step + .step{padding-left:36px;border-left:1px dashed rgba(18,23,26,.18)}
.step-num{
  font-size:clamp(40px,5vw,64px);
  font-weight:700;line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(18,60,51,.32);
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
  display:block;
}
.step-rule{width:100%;height:1px;background:var(--line);margin-bottom:22px}
.step h3{font-size:21px;font-weight:600;margin-bottom:12px;letter-spacing:-.005em}
.step p{font-size:15.5px;line-height:1.8;color:var(--text-2);max-width:320px}

/* ---------- 案例证明 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.case-card{
  background:transparent;
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.case-card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 44px -20px rgba(0,0,0,.65);
  border-color:rgba(244,242,237,.32);
}
.case-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.case-lg{grid-column:span 7;display:flex;flex-direction:column}
.case-sm{grid-column:span 5;display:flex;flex-direction:row}
.case-media{overflow:hidden;position:relative;background:rgba(244,242,237,.05)}
.case-lg .case-media{aspect-ratio:16/9;width:100%}
.case-sm .case-media{flex:0 0 40%;align-self:stretch;min-height:100%}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:14px;flex:1}
.case-sm .case-body{padding:22px 22px 22px}
.case-result{font-size:16px;line-height:1.7;color:rgba(244,242,237,.82)}
.case-lg .case-result{font-size:17px}
.case-figure{
  font-size:30px;font-weight:700;line-height:1.1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
  margin-top:auto;
}
.case-figure small{display:block;font-size:13px;font-weight:400;color:rgba(244,242,237,.58);margin-top:6px;letter-spacing:0}
.stats-bar{
  margin-top:56px;
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:36px 40px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
  background:rgba(244,242,237,.03);
}
.stat-num{font-size:34px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-label{font-size:14px;color:rgba(244,242,237,.62);margin-top:8px}
.stats-note{grid-column:1/-1;font-size:14px;color:rgba(244,242,237,.52);padding-top:20px;border-top:1px solid var(--line-dark)}

/* ---------- 最新信息 ---------- */
.news-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:start;min-height:320px}
.news-feature{
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-feature:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.news-feature .thumb{aspect-ratio:16/9;overflow:hidden}
.news-feature .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.news-feature:hover .thumb img{transform:scale(1.03)}
.news-feature-body{padding:26px 28px 30px}
.news-feature-body h3{
  font-size:22px;line-height:1.45;font-weight:600;margin:14px 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-feature-body p{
  font-size:15.5px;line-height:1.8;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-rows{border-top:1px solid var(--line)}
.news-row{
  display:flex;gap:18px;align-items:center;
  padding:18px 16px 18px 8px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.news-row:hover{background:rgba(18,60,51,.045);transform:translateX(3px)}
.news-row:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-tag)}
.news-row-thumb{
  flex:0 0 76px;width:76px;height:76px;border-radius:var(--r-img);overflow:hidden;
  background:rgba(18,23,26,.06);
}
.news-row-thumb img{width:100%;height:100%;object-fit:cover}
.news-row-main{flex:1;min-width:0}
.news-row-title{
  font-size:16.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:8px;
}
.news-row-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.post-date{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:72px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  text-align:center;
  min-height:320px;
}
.empty-state svg{color:rgba(18,60,51,.32)}
.empty-state p{font-size:16px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-side h2{font-size:clamp(26px,3vw,36px);line-height:1.22;font-weight:700;margin-bottom:16px}
.faq-side p{font-size:16px;line-height:1.8;color:var(--text-2);margin-bottom:26px}
.faq-contact{
  display:flex;flex-direction:column;gap:6px;
  padding:22px 24px;border-radius:var(--r-card);
  background:var(--surface);border:1px solid var(--line);
}
.faq-contact span{font-size:13px;color:var(--text-2)}
.faq-contact strong{font-size:18px;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 4px;text-align:left;
  font-size:18px;font-weight:600;line-height:1.5;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:var(--r-tag)}
.faq-plus{position:relative;width:16px;height:16px;flex:0 0 16px}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--brand);
  transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.faq-plus::before{left:0;top:50%;width:16px;height:1.5px;transform:translateY(-50%)}
.faq-plus::after{left:50%;top:0;width:1.5px;height:16px;transform:translateX(-50%)}
.faq-item.is-open .faq-plus::after{transform:translateX(-50%) rotate(90deg);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s var(--ease)}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{
  font-size:16px;line-height:1.8;color:var(--text-2);
  max-width:720px;padding:0 4px 26px;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background:var(--brand);
  color:var(--text-inverse);
  padding:96px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-18%;top:-42%;
  width:900px;height:900px;border-radius:50%;
  border:1px solid rgba(244,242,237,.10);
  pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;right:-6%;top:-18%;
  width:620px;height:620px;border-radius:50%;
  border:1px solid rgba(244,242,237,.07);
  pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start}
.cta-copy h2{font-size:clamp(26px,3.2vw,38px);line-height:1.22;font-weight:700;margin-bottom:16px;letter-spacing:-.01em}
.cta-copy p{font-size:16.5px;line-height:1.8;color:rgba(244,242,237,.78);margin-bottom:30px;max-width:460px}
.cta-points{display:flex;flex-direction:column;gap:16px}
.cta-points li{display:flex;align-items:flex-start;gap:12px;font-size:16px;color:rgba(244,242,237,.88)}
.cta-points svg{flex:none;margin-top:6px;color:var(--accent)}
.cta-panel{
  background:rgba(10,42,36,.34);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:32px;
}
.cta-panel h3{font-size:19px;font-weight:600;margin-bottom:6px}
.cta-panel > p{font-size:14px;color:rgba(244,242,237,.6);margin-bottom:24px}
.form-grid{display:grid;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;letter-spacing:.05em;color:rgba(244,242,237,.72)}
.field input,.field textarea{
  width:100%;height:48px;border-radius:var(--r-img);
  border:1px solid var(--line-dark);
  background:rgba(244,242,237,.06);
  color:var(--text-inverse);
  padding:0 16px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:112px;padding:13px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(244,242,237,.4)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);
  background:rgba(244,242,237,.1);
  box-shadow:0 0 0 4px rgba(201,242,77,.16);
}
.field.has-error input,.field.has-error textarea{border-color:#E8746A}
.field-err{display:none;font-size:12px;line-height:1.5;color:#F0A69D}
.field.has-error .field-err{display:block}
.form-note{font-size:12.5px;color:rgba(244,242,237,.5);text-align:center}
.btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-block);color:rgba(244,242,237,.7);padding:80px 0 0}
.footer-rule{width:64px;height:1px;background:var(--accent);margin-bottom:52px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:44px}
.footer-brand .logo{color:var(--text-inverse);margin-bottom:18px}
.footer-brand p{font-size:15px;line-height:1.8;color:rgba(244,242,237,.6);max-width:320px;margin-bottom:24px}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-dark);color:rgba(244,242,237,.72);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:#0A1A0E}
.footer-social a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.14em;color:rgba(244,242,237,.5);margin-bottom:20px;text-transform:uppercase}
.footer-col ul{display:flex;flex-direction:column;gap:13px}
.footer-col a{font-size:15px;color:rgba(244,242,237,.76);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}
.footer-contact li{font-size:15px;line-height:1.7;font-variant-numeric:tabular-nums;color:rgba(244,242,237,.76)}
.footer-contact li span{display:block;font-size:12.5px;color:rgba(244,242,237,.42);letter-spacing:.08em;margin-bottom:3px}
.footer-bottom{
  margin-top:64px;padding:24px 0;
  border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,242,237,.46);
}
.footer-bottom .links{display:flex;gap:22px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 移动抽屉 ---------- */
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-tag);
  align-items:center;justify-content:center;color:var(--text-inverse);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.site-header.is-solid .burger{color:var(--text)}
.burger:hover{background:rgba(244,242,237,.14)}
.site-header.is-solid .burger:hover{background:rgba(18,23,26,.06)}
.nav-drawer{
  position:fixed;inset:0;z-index:200;
  background:var(--paper);
  padding:24px;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-tag);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text);transition:background .2s var(--ease);
}
.drawer-close:hover{background:rgba(18,23,26,.06)}
.drawer-links{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-links a{
  height:56px;display:flex;align-items:center;justify-content:space-between;
  font-size:17px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-links a.is-active{color:var(--brand)}
.drawer-links a.is-active::before{
  content:"";width:3px;height:18px;border-radius:2px;background:var(--accent);
  position:absolute;margin-left:-14px;
}
.drawer-foot{margin-top:auto;padding-top:32px}
body.drawer-open{overflow:hidden}

/* ---------- 动效/状态 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:1000px}
  .case-sm{grid-column:span 6}
  .case-lg{grid-column:span 6}
  .news-layout{grid-template-columns:1fr 1fr;gap:32px}
  .hero-metrics{gap:40px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-links{display:none}
  .nav-actions .icon-btn{display:none}
  .burger{display:inline-flex}
  .nav-actions .btn-sm{display:none}
  .nav-inner{gap:16px}
  .logo{margin-right:auto}
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:0 0 34px 0}
  .step + .step{padding-left:0;border-left:0;border-top:1px dashed rgba(18,23,26,.18);padding-top:34px}
  .step p{max-width:560px}
  .steps-head{margin-bottom:40px}
  .case-grid{gap:20px}
  .case-lg,.case-sm{grid-column:span 12}
  .case-sm .case-media{flex:0 0 38%}
  .faq-wrap{grid-template-columns:1fr;gap:36px}
  .cta-grid{grid-template-columns:1fr;gap:40px}
  .cta-band{padding:72px 0}
  .news-layout{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:52px 0}
  .section-head{margin-bottom:32px}
  .site-header{height:70px}
  .site-header.is-solid{height:60px}
  .hero{min-height:72vh;padding:130px 0 56px}
  .hero-sub{font-size:16.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-metrics{gap:24px;padding-top:22px}
  .metric{min-width:96px}
  .metric-num{font-size:26px}
  .stats-bar{grid-template-columns:1fr 1fr;gap:24px;padding:26px 22px}
  .stat-num{font-size:26px}
  .case-body{padding:20px}
  .case-sm{flex-direction:column}
  .case-sm .case-media{flex:none;width:100%;aspect-ratio:16/9}
  .news-feature-body{padding:20px 20px 24px}
  .news-feature-body h3{font-size:19px}
  .news-row{padding:16px 8px}
  .news-row-thumb{flex:0 0 64px;width:64px;height:64px}
  .cta-panel{padding:24px 20px}
  .cta-grid form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer-rule{margin-bottom:36px}
  .site-footer{padding-top:52px}
  .footer-bottom{margin-top:44px;flex-direction:column;align-items:flex-start}
  .faq-q{font-size:16.5px;padding:20px 2px}
  .btn{height:48px;padding:0 22px}
}
@media (max-width:479px){
  .hero h1{font-size:clamp(30px,8vw,38px)}
  .hero-eyebrow{font-size:11px;padding:8px 12px}
  .stats-bar{grid-template-columns:1fr}
  .metric-label{font-size:13px}
  .news-row-meta .tag{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .hero-inner > *{opacity:1;transform:none}
  .reveal{opacity:1;transform:none}
  .case-card:hover,.news-feature:hover,.news-row:hover{transform:none}
  .case-card:hover .case-media img,.news-feature:hover .thumb img{transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#123C33;
  --brand-deep:#0A2A24;
  --accent:#C9F24D;
  --accent-deep:#B4E032;
  --paper:#F4F2ED;
  --surface:#FFFFFF;
  --ink-block:#0D1512;
  --text:#12171A;
  --text-2:#5F6B66;
  --text-inverse:#F4F2ED;
  --line:rgba(18,23,26,.10);
  --line-inverse:rgba(244,242,237,.16);
  --radius-card:18px;
  --radius-media:12px;
  --radius-tag:6px;
  --shadow-1:0 1px 2px rgba(18,23,26,.04);
  --shadow-2:0 18px 44px -20px rgba(18,23,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:84px;
  --header-h-scrolled:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Inter,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(201,242,77,.85);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
@media (max-width:1199px){.container{padding:0 20px}}
@media (max-width:767px){.container{padding:0 16px}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:900;
  color:var(--text-inverse);
  background:rgba(13,21,18,.34);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(244,242,237,.14);
  box-shadow:0 12px 30px -24px rgba(0,0,0,.7);
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.nav-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:height .24s var(--ease);
}
.logo{display:inline-flex;align-items:baseline;gap:6px;font-weight:700;letter-spacing:.02em}
.logo-mark{font-size:19px;letter-spacing:.06em}
.logo-sub{font-size:12px;font-weight:500;letter-spacing:.14em;opacity:.78}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;
  font-size:15px;
  line-height:1;
  padding:8px 0;
  opacity:.9;
  transition:opacity .18s var(--ease),color .18s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:1px;background:currentColor;
  transition:width .2s var(--ease);
}
.nav-link:hover{opacity:1}
.nav-link:hover::after{width:100%}
.nav-link.is-active{opacity:1}
.nav-link.is-active::after{width:100%;height:3px;background:var(--accent);border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  border:1px solid rgba(244,242,237,.24);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.icon-btn:hover{background:rgba(244,242,237,.14)}
.burger{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:var(--radius-tag)}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  color:var(--text);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -26px rgba(18,23,26,.5);
}
.site-header.is-scrolled .nav-inner{height:var(--header-h-scrolled)}
.site-header.is-scrolled .icon-btn{border-color:var(--line)}
.site-header.is-scrolled .icon-btn:hover{background:rgba(18,23,26,.06)}
.search-panel{
  overflow:hidden;
  max-height:0;
  transition:max-height .28s var(--ease);
  border-top:1px solid transparent;
}
.search-panel.is-open{max-height:96px;border-top-color:rgba(244,242,237,.14)}
.site-header.is-scrolled .search-panel.is-open{border-top-color:var(--line)}
.search-panel form{display:flex;gap:12px;padding:14px 0}
.search-panel input{
  flex:1;
  height:44px;
  padding:0 16px;
  border-radius:var(--radius-media);
  border:1px solid rgba(244,242,237,.28);
  background:rgba(255,255,255,.10);
  color:var(--text-inverse);
}
.search-panel input::placeholder{color:rgba(244,242,237,.72)}
.site-header.is-scrolled .search-panel input{
  border-color:var(--line);
  background:var(--surface);
  color:var(--text);
}
.site-header.is-scrolled .search-panel input::placeholder{color:var(--text-2)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:50px;
  padding:0 28px;
  font-size:15px;
  font-weight:600;
  border-radius:999px;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn svg{transition:transform .2s var(--ease)}
.btn-primary{background:var(--accent);color:#0B0F0D;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:hover svg{transform:translateX(3px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border:1px solid var(--line);color:var(--text);background:transparent}
.btn-ghost:hover{background:var(--text);color:var(--text-inverse);border-color:var(--text)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-outline-light{border:1px solid var(--line-inverse);color:var(--text-inverse);background:transparent;border-radius:999px}
.btn-outline-light:hover{background:var(--text-inverse);color:var(--text);border-color:var(--text-inverse)}
.link-cta{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;
  position:relative;padding-bottom:4px;
}
.link-cta::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:currentColor;transition:width .2s var(--ease);
}
.link-cta:hover::after{width:100%}
.link-cta svg{transition:transform .2s var(--ease)}
.link-cta:hover svg{transform:translateX(3px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:50vh;
  display:flex;
  align-items:flex-end;
  padding:150px 0 64px;
  color:var(--text-inverse);
  background:
    linear-gradient(180deg,rgba(10,42,36,.62) 0%,rgba(10,42,36,.44) 46%,rgba(10,42,36,.80) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;right:-12%;top:12%;
  width:640px;height:640px;
  border:1px solid rgba(201,242,77,.08);
  border-radius:50%;
  pointer-events:none;
  animation:drift 26s linear infinite;
}
@keyframes drift{
  0%{transform:translate3d(0,0,0)}
  50%{transform:translate3d(-26px,14px,0)}
  100%{transform:translate3d(0,0,0)}
}
.hero-inner{position:relative;z-index:2;max-width:840px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11px;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;
  padding:7px 12px;
  border-radius:var(--radius-tag);
  border:1px solid rgba(201,242,77,.42);
  color:var(--accent);
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(32px,4.6vw,58px);
  line-height:1.14;
  font-weight:700;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero-lead{
  font-size:clamp(16px,1.5vw,19px);
  color:rgba(244,242,237,.86);
  max-width:640px;
  margin-bottom:26px;
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:rgba(244,242,237,.72);
}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.5}
.crumbs .now{color:var(--text-inverse)}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;
  top:72px;
  z-index:120;
  background:rgba(244,242,237,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-bar .container{display:flex;gap:10px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.chip{
  display:inline-flex;align-items:center;
  height:38px;padding:0 18px;
  font-size:14px;font-weight:500;
  border-radius:var(--radius-tag);
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--text-2);
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:#EFF3EE}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:var(--text-inverse)}

/* ---------- 板块骨架 ---------- */
.sec{padding:96px 0}
.sec-tight{padding:72px 0 96px}
@media (max-width:1199px){
  .sec{padding:72px 0}
  .sec-tight{padding:56px 0 72px}
}
@media (max-width:767px){
  .sec{padding:52px 0}
  .sec-tight{padding:44px 0 52px}
  .hero{padding:130px 0 52px;min-height:46vh}
}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.015em;
  position:relative;
  padding-left:20px;
}
.sec-head h2::before{
  content:"";
  position:absolute;left:0;top:.28em;
  width:6px;height:.72em;
  background:var(--brand);
  border-radius:2px;
}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:16px;max-width:660px}
.sec-head.on-dark h2{color:var(--text-inverse)}
.sec-head.on-dark h2::before{background:var(--accent)}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:36px 0;
}
.split + .split{margin-top:24px;border-top:1px solid var(--line);padding-top:64px}
.split-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  border-radius:var(--radius-media);
  border:1px solid var(--line);
  background:#E4E1DA;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split-body h3{
  font-size:clamp(21px,2.1vw,26px);
  line-height:1.4;
  font-weight:600;
  margin-bottom:16px;
}
.split-body p{color:var(--text-2);margin-bottom:20px}
.split.reverse .split-media{order:2}
.points{display:grid;gap:12px;margin-bottom:24px}
.points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;
  color:var(--text);
}
.points li svg{flex:none;margin-top:6px;color:var(--brand)}
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.tag{
  display:inline-block;
  font-size:12px;font-weight:500;letter-spacing:.04em;
  padding:5px 10px;
  border-radius:var(--radius-tag);
  border:1px solid var(--line);
  color:var(--text-2);
  background:var(--surface);
}
.tag-accent{border-color:rgba(18,60,51,.28);color:var(--brand)}

/* ---------- 对照卡 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:48px}
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.panel h3{font-size:20px;font-weight:600;margin-bottom:8px}
.panel .panel-note{font-size:14px;color:var(--text-2);margin-bottom:20px}
.panel ul{display:grid;gap:12px}
.panel ul li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;
  padding-bottom:12px;
  border-bottom:1px dashed var(--line);
}
.panel ul li:last-child{border-bottom:0;padding-bottom:0}
.panel ul li strong{font-weight:600;min-width:74px;color:var(--text)}
.panel ul li span{color:var(--text-2)}
.panel-feature{
  border-color:rgba(18,60,51,.30);
  background:linear-gradient(180deg,#FFFFFF 0%,#F7F8F3 100%);
}
.panel-feature .panel-tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  color:#0B0F0D;background:var(--accent);
  padding:4px 10px;border-radius:var(--radius-tag);margin-bottom:14px;
}

/* ---------- 细线表 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  box-shadow:var(--shadow-1);
}
table{width:100%;border-collapse:collapse;min-width:620px}
th,td{
  padding:16px 20px;
  text-align:left;
  font-size:15px;
  border-bottom:1px solid var(--line);
}
th{font-weight:600;background:#F7F6F1;color:var(--text);white-space:nowrap}
td{color:var(--text-2)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:#FAFAF6;color:var(--text)}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,2fr);
  gap:56px;
  align-items:start;
}
.faq-aside p{color:var(--text-2);margin-top:14px;margin-bottom:22px;max-width:320px}
.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 4px;
  font-size:18px;font-weight:600;line-height:1.6;
  text-align:left;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-sign{
  position:relative;flex:none;
  width:22px;height:22px;
  transition:transform .26s var(--ease);
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:1px;
  transform:translate(-50%,-50%);
}
.faq-sign::before{width:14px;height:2px}
.faq-sign::after{width:2px;height:14px}
.faq-item.is-open .faq-sign{transform:rotate(45deg)}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .26s var(--ease);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{
  max-width:720px;
  padding:0 4px 24px;
  font-size:16px;
  color:var(--text-2);
}

/* ---------- 深色 CTA ---------- */
.cta-block{
  position:relative;
  background:var(--brand);
  color:var(--text-inverse);
  overflow:hidden;
}
.cta-block::before{
  content:"";
  position:absolute;left:-10%;bottom:-60%;
  width:820px;height:820px;
  border:1px solid rgba(201,242,77,.07);
  border-radius:50%;
  animation:drift 30s linear infinite;
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
  padding:76px 0;
}
.cta-inner h2{
  font-size:clamp(26px,3vw,38px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:-.015em;
  margin-bottom:16px;
}
.cta-inner p{color:rgba(244,242,237,.82);max-width:520px;margin-bottom:26px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-side{
  border:1px solid var(--line-inverse);
  border-radius:var(--radius-card);
  padding:28px;
  background:rgba(244,242,237,.04);
}
.cta-side dl{margin:0;display:grid;gap:16px}
.cta-side dt{font-size:12px;letter-spacing:.14em;color:rgba(244,242,237,.62);margin-bottom:4px}
.cta-side dd{margin:0;font-size:16px;color:var(--text-inverse)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-block);
  color:var(--text-inverse);
  padding:0 0 32px;
}
.footer-rule{
  width:64px;height:1px;background:var(--accent);
  margin:0 0 52px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{
  margin:18px 0 22px;
  font-size:14.5px;
  color:rgba(244,242,237,.66);
  max-width:320px;
}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-tag);
  border:1px solid var(--line-inverse);
  color:rgba(244,242,237,.78);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.footer-social a:hover{background:var(--accent);color:#0B0F0D;border-color:var(--accent)}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:.12em;
  color:rgba(244,242,237,.60);
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14.5px;color:rgba(244,242,237,.86);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{
  font-size:14.5px;color:rgba(244,242,237,.86);
  display:flex;gap:10px;flex-wrap:wrap;
}
.footer-contact li span{color:rgba(244,242,237,.52);min-width:64px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid var(--line-inverse);
  padding-top:24px;
  font-size:13.5px;
  color:rgba(244,242,237,.58);
}
.footer-bottom ul{display:flex;gap:22px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;
  z-index:1000;
  background:var(--surface);
  color:var(--text);
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-nav{display:grid;gap:2px;flex:1}
.drawer-nav a{
  display:flex;align-items:center;
  height:52px;
  font-size:17px;font-weight:500;
  border-bottom:1px solid var(--line);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);padding-left:8px}
.drawer-cta{margin-top:24px}
.drawer-cta .btn{width:100%}
body.no-scroll{overflow:hidden}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links{gap:22px}
  .split{gap:36px}
  .faq-grid{gap:36px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .burger{display:inline-flex}
  .nav-actions .btn-primary{display:none}
  .split{grid-template-columns:1fr;gap:26px}
  .split.reverse .split-media{order:0}
  .compare{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .anchor-bar{top:64px}
}
@media (max-width:767px){
  body{font-size:16px}
  .split-media{aspect-ratio:16/10}
  .panel{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-inner{padding:52px 0}
  .cta-actions .btn{width:100%}
  .hero h1{font-size:clamp(28px,7.4vw,38px)}
}
@media (max-width:480px){
  .hero{padding:118px 0 44px}
  .eyebrow{font-size:10.5px}
  .faq-q{font-size:16.5px}
  .footer-social a{width:36px;height:36px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
  .split-media:hover img{transform:none}
  .panel:hover{transform:none}
}

/* roulang page: article */
/* ================= 设计变量 ================= */
:root{
  --brand:#123C33;
  --brand-deep:#0A2A24;
  --accent:#C9F24D;
  --accent-deep:#B4E032;
  --paper:#F4F2ED;
  --surface:#FFFFFF;
  --ink-block:#0D1512;
  --text:#12171A;
  --text-2:#5F6B66;
  --text-inverse:#F4F2ED;
  --line:rgba(18,23,26,.10);
  --line-dark:rgba(244,242,237,.16);
  --r-card:18px;
  --r-img:12px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(18,23,26,.04);
  --sh-2:0 18px 44px -20px rgba(18,23,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
/* ================= 基础重置 ================= */
*,*::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:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
.num,time,.tabular{font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid rgba(201,242,77,.85);outline-offset:3px;border-radius:6px}
::selection{background:var(--accent);color:#0B1512}
/* ================= 容器 ================= */
.container{max-width:1240px;margin:0 auto;padding:0 24px}
/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--accent);color:#0B1512}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-primary .arrow{transition:transform .22s var(--ease)}
.btn-primary:hover .arrow{transform:translateX(3px)}
.btn-ghost{border-color:rgba(244,242,237,.42);color:var(--text-inverse);background:transparent}
.btn-ghost:hover{background:var(--text-inverse);color:var(--text);border-color:var(--text-inverse)}
.btn-outline{border-color:var(--line);color:var(--text);background:transparent}
.btn-outline:hover{background:var(--text);color:var(--text-inverse);border-color:var(--text)}
.btn:disabled{opacity:.4;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--text);position:relative;padding-bottom:2px}
.text-link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:currentColor;transition:width .2s var(--ease)}
.text-link:hover::after{width:100%}
.text-link .arrow{transition:transform .2s var(--ease)}
.text-link:hover .arrow{transform:translateX(3px)}
/* ================= 导航 ================= */
.site-header{
  position:absolute;top:0;left:0;right:0;z-index:60;
  background:rgba(13,21,18,.34);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(244,242,237,.14);
  color:var(--text-inverse);
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  color:var(--text);
  border-bottom-color:var(--line);
  box-shadow:0 14px 34px -30px rgba(18,23,26,.7);
}
.nav-inner{height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px;transition:height .24s var(--ease)}
.site-header.is-scrolled .nav-inner{height:64px}
.logo{display:inline-flex;align-items:baseline;gap:7px;font-weight:700;letter-spacing:.02em}
.logo-mark{font-size:19px;letter-spacing:.10em;line-height:1}
.logo-sub{font-size:11px;letter-spacing:.14em;padding:3px 6px;border:1px solid currentColor;border-radius:var(--r-tag);opacity:.82;line-height:1}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-link{position:relative;font-size:15px;padding:6px 1px;opacity:.94;transition:opacity .2s var(--ease),color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:currentColor;transition:width .2s var(--ease)}
.nav-link:hover{opacity:1}
.nav-link:hover::after{width:100%}
.nav-link.is-active{opacity:1;font-weight:600}
.nav-link.is-active::after{width:100%}
.nav-link.is-active::before{content:"";position:absolute;left:-11px;top:50%;transform:translateY(-50%);width:3px;height:14px;border-radius:2px;background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(244,242,237,.28);color:inherit;background:transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}
.site-header.is-scrolled .icon-btn{border-color:var(--line)}
.site-header.is-scrolled .icon-btn:hover{background:rgba(18,23,26,.06)}
.burger{display:none;width:42px;height:42px;border-radius:50%;place-items:center;border:1px solid rgba(244,242,237,.28);color:inherit}
.site-header.is-scrolled .burger{border-color:var(--line)}
.burger:hover{background:rgba(255,255,255,.16)}
.search-panel{
  max-height:0;overflow:hidden;background:rgba(13,21,18,.55);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  transition:max-height .28s var(--ease);
  border-top:1px solid transparent;
}
.search-panel.is-open{max-height:110px;border-top-color:rgba(244,242,237,.12)}
.search-panel form{display:flex;gap:12px;padding:20px 0}
.search-panel input{
  flex:1;height:48px;border-radius:var(--r-img);border:1px solid rgba(244,242,237,.28);
  background:rgba(255,255,255,.10);color:var(--text-inverse);padding:0 16px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-panel input::placeholder{color:rgba(244,242,237,.62)}
.search-panel input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(201,242,77,.18);outline:none}
.drawer-cta{display:none}
.drawer-mask{position:fixed;inset:0;background:rgba(6,16,13,.52);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:65}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}
/* ================= 文章头 ================= */
.page-hero{
  position:relative;overflow:hidden;min-height:52vh;
  display:flex;align-items:flex-end;padding:176px 0 68px;
  color:var(--text-inverse);
  background:var(--ink-block) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,42,36,.74) 0%,rgba(10,42,36,.50) 52%,rgba(13,21,18,.90) 100%);
}
.page-hero::after{
  content:"";position:absolute;left:-10%;right:-10%;bottom:-120px;height:260px;
  background:radial-gradient(ellipse at 50% 100%,rgba(201,242,77,.08),transparent 62%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:rgba(244,242,237,.66);margin-bottom:26px;line-height:1.6}
.crumb a{color:rgba(244,242,237,.74)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.45}
.crumb .current{color:var(--text-inverse);max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-tag{
  display:inline-block;font-size:11.5px;letter-spacing:.14em;font-weight:500;
  padding:6px 10px;border-radius:var(--r-tag);
  border:1px solid rgba(201,242,77,.55);color:var(--accent);margin-bottom:22px;
}
.post-title{
  font-size:clamp(28px,4.4vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
  max-width:22ch;margin-bottom:22px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:rgba(244,242,237,.72)}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(244,242,237,.4)}
/* ================= 正文区 ================= */
.article-section{padding:76px 0 0;background:var(--paper)}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 220px;
  gap:64px;justify-content:center;align-items:start;
}
.article-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:44px 46px;box-shadow:var(--sh-1);
  font-size:17px;line-height:1.85;color:var(--text);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.01em;
  margin:56px 0 20px;padding-left:20px;position:relative;scroll-margin-top:96px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.34em;width:6px;height:20px;border-radius:3px;background:var(--accent)}
.article-body h3{font-size:21px;line-height:1.4;font-weight:600;margin:38px 0 14px;scroll-margin-top:96px}
.article-body ul{list-style:disc;padding-left:1.35em;margin:0 0 1.2em}
.article-body ol{list-style:decimal;padding-left:1.45em;margin:0 0 1.2em}
.article-body li{line-height:1.8;margin-bottom:8px}
.article-body blockquote{
  margin:30px 0;padding:18px 22px;border-left:3px solid var(--accent);
  background:rgba(18,60,51,.05);border-radius:0 var(--r-img) var(--r-img) 0;color:#26362F;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:26px auto;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:12.5px;color:var(--text-2);text-align:center;margin-top:10px;line-height:1.7}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:#1E5B4C}
.article-body strong{font-weight:600}
.article-body code{background:#EDEDE7;border-radius:var(--r-tag);padding:2px 6px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.article-body pre{background:#111A16;color:#E9EFE9;border-radius:var(--r-img);padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:26px 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;line-height:1.7}
.article-body thead th{background:rgba(18,60,51,.05);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:26px 0}
.table-scroll table{margin:0;min-width:560px}
/* ================= 目录 ================= */
.article-aside{position:relative}
.toc{position:sticky;top:96px;border-left:1px solid var(--line);padding-left:20px}
.toc-title{font-size:11.5px;letter-spacing:.14em;font-weight:600;color:var(--text-2);margin-bottom:14px}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--text-2);
  padding:7px 0 7px 19px;margin-left:-21px;border-left:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--text)}
.toc-list a.is-current{color:var(--text);font-weight:600;border-left-color:var(--accent)}
/* ================= 文末区 ================= */
.post-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);font-size:13px;color:var(--text-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{color:var(--text);border-color:rgba(18,60,51,.4);background:#FAFAF7;transform:translateY(-1px)}
.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:72px 32px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state svg{margin:0 auto 18px;color:var(--text-2)}
.empty-state p{font-size:15.5px;color:var(--text-2);margin-bottom:24px}
/* ================= 相关推荐 ================= */
.related{margin-top:88px;padding-bottom:88px}
.section-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em;padding-left:16px;position:relative}
.section-head h2::before{content:"";position:absolute;left:0;top:.32em;width:6px;height:20px;border-radius:3px;background:var(--accent)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.content-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,60,51,.22)}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:#E7E6E1}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.content-card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-tag{
  align-self:flex-start;font-size:11px;letter-spacing:.14em;font-weight:500;color:var(--brand);
  border:1px solid rgba(18,60,51,.28);border-radius:var(--r-tag);padding:4px 8px;
}
.card-body h3{font-size:18px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;font-size:13px;color:var(--text-2);display:flex;gap:12px;align-items:center}
/* ================= 底部 CTA ================= */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-deep);color:var(--text-inverse);
  padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(201,242,77,.14);
}
.cta-band::after{
  content:"";position:absolute;left:-120px;bottom:-200px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(244,242,237,.08);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between}
.cta-inner h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-bottom:12px}
.cta-inner p{font-size:16px;color:rgba(244,242,237,.74);max-width:46ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
/* ================= 页脚 ================= */
.site-footer{background:var(--ink-block);color:var(--text-inverse);padding:72px 0 0;border-top:1px solid rgba(244,242,237,.08)}
.footer-rule{width:64px;height:1px;background:var(--accent);margin-bottom:48px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:56px}
.site-footer .logo{color:var(--text-inverse);margin-bottom:18px}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(244,242,237,.72);max-width:34ch;margin-bottom:22px}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-dark);color:rgba(244,242,237,.8);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.footer-social a:hover{background:var(--text-inverse);color:var(--ink-block);border-color:var(--text-inverse);transform:translateY(-2px)}
.footer-col h4{font-size:11.5px;letter-spacing:.14em;font-weight:600;color:rgba(244,242,237,.55);margin-bottom:20px}
.footer-col li{font-size:14.5px;color:rgba(244,242,237,.8);line-height:1.7;margin-bottom:12px}
.footer-col a:hover{color:var(--accent)}
.footer-contact span{display:block;font-size:11.5px;letter-spacing:.1em;color:rgba(244,242,237,.45);margin-bottom:2px}
.footer-bottom{
  border-top:1px solid rgba(244,242,237,.10);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(244,242,237,.5);
}
.footer-bottom a{color:rgba(244,242,237,.62)}
.footer-bottom a:hover{color:var(--accent)}
/* ================= 入场动效 ================= */
.reveal{opacity:0;transform:translateY(8px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}
/* ================= 响应式 ================= */
@media (max-width:1199px){
  .container{padding:0 20px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:70;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--brand);padding:104px 24px 120px;
    transform:translateX(100%);transition:transform .28s var(--ease);
    overflow-y:auto;
  }
  body.drawer-open .nav-links{transform:none}
  .nav-link{
    height:48px;display:flex;align-items:center;font-size:16px;
    border-bottom:1px solid var(--line-dark);width:100%;opacity:.92;
  }
  .nav-link.is-active::before{display:none}
  .nav-link.is-active{color:var(--accent)}
  .nav-link::after{display:none}
  .burger{display:grid}
  .nav-actions .btn{display:none}
  .drawer-cta{
    display:flex;position:fixed;bottom:0;right:0;width:min(86vw,360px);z-index:71;
    padding:18px 24px;background:var(--brand);border-top:1px solid var(--line-dark);
    transform:translateX(100%);transition:transform .28s var(--ease);
  }
  .drawer-cta .btn{width:100%}
  body.drawer-open .drawer-cta{transform:none}
  .page-hero{min-height:46vh;padding:148px 0 56px}
  .post-title{max-width:none}
  .crumb .current{white-space:normal;max-width:100%}
  .article-body{padding:32px 24px;font-size:16.5px}
  .article-body h2{font-size:24px;margin:44px 0 16px}
  .article-body h3{font-size:19px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-inner{height:72px}
  .site-header.is-scrolled .nav-inner{height:60px}
  .article-section{padding:52px 0 0}
  .article-body{padding:26px 20px;font-size:16px;line-height:1.82}
  .page-hero{padding:132px 0 48px;min-height:auto}
  .related{margin-top:56px;padding-bottom:56px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:60px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:40px}
  .post-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .icon-btn{display:none}
  .post-meta{gap:10px;font-size:12.5px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#123C33;
  --brand-deep:#0A2A24;
  --accent:#C9F24D;
  --accent-deep:#B4E032;
  --paper:#F4F2ED;
  --surface:#FFFFFF;
  --ink-block:#0D1512;
  --text:#12171A;
  --text-2:#5F6B66;
  --text-inverse:#F4F2ED;
  --line:rgba(18,23,26,.10);
  --line-inverse:rgba(244,242,237,.16);
  --danger:#C0392B;
  --r-card:18px;
  --r-img:12px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(18,23,26,.04);
  --sh-2:0 18px 44px -20px rgba(18,23,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
svg{display:block}
::selection{background:var(--accent);color:#0D1512}
:focus-visible{outline:3px solid rgba(201,242,77,.85);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--surface);color:var(--text);padding:10px 16px;border-radius:var(--r-tag);z-index:200}
.skip-link:focus{left:16px;top:16px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border:1px solid transparent;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:0;cursor:pointer;
  transition:background-color 240ms var(--ease),color 240ms var(--ease),transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.btn-arrow{transition:transform 240ms var(--ease)}
.btn-primary{background:var(--accent);color:#0D1512}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:hover .btn-arrow{transform:translateX(3px)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(201,242,77,.55)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--text);border-color:var(--text);color:var(--paper)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost-invert{background:transparent;border-color:var(--line-inverse);color:var(--text-inverse)}
.btn-ghost-invert:hover{background:var(--text-inverse);border-color:var(--text-inverse);color:#0D1512}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

.link-cta{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);
  position:relative;padding-bottom:3px;
}
.link-cta::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:currentColor;transition:width 200ms var(--ease)}
.link-cta:hover::after{width:100%}
.link-cta:hover .btn-arrow{transform:translateX(3px)}
.link-cta:active{opacity:.75}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-tag);
  font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:none;
  background:rgba(18,60,51,.07);color:var(--brand);border:1px solid rgba(18,60,51,.14);
}
.tag-invert{background:rgba(244,242,237,.10);color:var(--text-inverse);border-color:var(--line-inverse)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:600;letter-spacing:.14em;color:var(--accent);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--accent);display:inline-block}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(13,21,18,.34);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(244,242,237,.14);
  box-shadow:0 10px 30px -22px rgba(0,0,0,.55);
  transition:background-color 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:84px;transition:height 240ms var(--ease)}
.logo{display:inline-flex;align-items:baseline;gap:6px}
.logo-mark{font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--text-inverse);transition:color 240ms var(--ease)}
.logo-sub{font-size:12px;letter-spacing:.16em;color:rgba(244,242,237,.72);transition:color 240ms var(--ease)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;font-size:15px;color:rgba(244,242,237,.9);padding:6px 0;
  transition:color 220ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:currentColor;
  transition:width 220ms var(--ease);
}
.nav-link:hover::after{width:100%}
.nav-link:active{opacity:.8}
.nav-link.is-active::after{width:100%;height:3px;background:var(--accent);bottom:-8px;border-radius:2px}
.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(244,242,237,.24);border-radius:999px;background:transparent;color:var(--text-inverse);
  cursor:pointer;transition:background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.icon-btn:hover{background:rgba(244,242,237,.14)}
.icon-btn:active{transform:scale(.97)}
.burger{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid rgba(244,242,237,.24);border-radius:var(--r-tag);background:transparent;color:var(--text-inverse);
  cursor:pointer;transition:background-color 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
}
.burger:hover{background:rgba(244,242,237,.14)}
.site-header.is-solid{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(18,23,26,.04);
}
.site-header.is-solid .nav-inner{height:64px}
.site-header.is-solid .logo-mark{color:var(--text)}
.site-header.is-solid .logo-sub{color:var(--text-2)}
.site-header.is-solid .nav-link{color:var(--text)}
.site-header.is-solid .icon-btn,
.site-header.is-solid .burger{color:var(--text);border-color:var(--line)}
.site-header.is-solid .icon-btn:hover,
.site-header.is-solid .burger:hover{background:rgba(18,23,26,.06)}

.search-panel{max-height:0;overflow:hidden;background:rgba(255,255,255,.96);border-bottom:1px solid transparent;transition:max-height 260ms var(--ease),border-color 260ms var(--ease)}
.search-panel.is-open{max-height:96px;border-bottom-color:var(--line)}
.search-panel form{display:flex;gap:12px;padding:16px 0 20px}
.search-panel input{
  flex:1;height:48px;border:1px solid var(--line);border-radius:var(--r-img);
  background:#fff;padding:0 16px;color:var(--text);
}
.search-panel input::placeholder{color:var(--text-2)}
.search-panel input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(18,60,51,.10);outline:none}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--surface);
  padding:24px;display:flex;flex-direction:column;gap:8px;
  transform:translateY(-100%);visibility:hidden;opacity:0;
  transition:transform 260ms var(--ease),opacity 220ms var(--ease),visibility 220ms var(--ease);
}
.drawer.is-open{transform:translateY(0);visibility:visible;opacity:1}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-head .logo-mark{color:var(--text)}
.drawer-head .logo-sub{color:var(--text-2)}
.drawer-close{
  width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-tag);background:transparent;
  font-size:22px;line-height:1;cursor:pointer;transition:background-color 200ms var(--ease);
}
.drawer-close:hover{background:rgba(18,23,26,.06)}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  height:48px;display:flex;align-items:center;font-size:16.5px;font-weight:600;
  border-bottom:1px solid var(--line);color:var(--text);
}
.drawer-links a.is-active{color:var(--brand);box-shadow:inset 3px 0 0 var(--accent);padding-left:12px}
.drawer-cta{margin-top:auto}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;min-height:52vh;display:flex;align-items:flex-end;
  padding:150px 0 56px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:var(--text-inverse);overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,42,36,.48) 0%,rgba(10,42,36,.58) 50%,rgba(10,42,36,.86) 100%);
}
.page-hero::after{
  content:"";position:absolute;left:-10%;right:-10%;bottom:-40px;height:220px;
  background:radial-gradient(60% 100% at 30% 100%,rgba(201,242,77,.10),transparent 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(244,242,237,.7);margin-bottom:26px}
.crumbs a{color:rgba(244,242,237,.7);transition:color 200ms var(--ease)}
.crumbs a:hover{color:var(--text-inverse)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:var(--text-inverse);font-weight:600}
.page-hero h1{
  font-size:clamp(30px,3.8vw,52px);line-height:1.16;letter-spacing:-.02em;max-width:20em;
}
.page-hero .hero-lead{
  margin-top:20px;max-width:44em;font-size:17px;line-height:1.8;color:rgba(244,242,237,.86);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:32px}
.hero-meta div{min-width:120px}
.hero-meta .num{font-size:26px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
.hero-meta .lbl{font-size:13px;color:rgba(244,242,237,.7)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-head .title-block{max-width:42em}
.section-head h2{
  font-size:clamp(26px,3.2vw,40px);line-height:1.2;position:relative;padding-top:18px;
}
.section-head h2::before{content:"";position:absolute;top:0;left:0;width:36px;height:3px;background:var(--brand);border-radius:2px}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16.5px}
.section-head .head-link{flex:none}

/* ---------- 筛选条 ---------- */
.filter-bar{
  position:sticky;top:64px;z-index:30;background:rgba(244,242,237,.94);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.filter-inner{display:flex;align-items:center;gap:12px;padding:16px 0;overflow-x:auto;scrollbar-width:none}
.filter-inner::-webkit-scrollbar{display:none}
.chip{
  flex:none;height:38px;padding:0 16px;border-radius:var(--r-tag);
  border:1px solid var(--line);background:var(--surface);color:var(--text-2);
  font-size:14px;font-weight:500;cursor:pointer;
  transition:background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.chip:hover{border-color:rgba(18,60,51,.35);color:var(--brand)}
.chip:active{transform:translateY(1px)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:var(--text-inverse)}
.filter-note{margin-left:auto;font-size:13px;color:var(--text-2);white-space:nowrap}

/* ---------- 案例网格 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;min-height:320px}
.case-card{
  grid-column:span 5;
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform 260ms var(--ease),box-shadow 260ms var(--ease),border-color 260ms var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,60,51,.18)}
.case-card.span-7{grid-column:span 7}
.case-media{position:relative;overflow:hidden;background:#E7E5DF}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform 280ms var(--ease)}
.case-card:hover .case-media img{transform:scale(1.03)}
.ratio-16x9{aspect-ratio:16/9}
.ratio-4x5{aspect-ratio:4/5}
.case-body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:14px;flex:1}
.case-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.case-body h3{font-size:20px;line-height:1.4;font-weight:600}
.case-body p{color:var(--text-2);font-size:15.5px;line-height:1.8}
.case-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.case-metric{
  display:inline-flex;align-items:baseline;gap:6px;background:var(--accent);color:#0D1512;
  border-radius:var(--r-tag);padding:6px 12px;font-size:14px;font-weight:600;
}
.case-metric b{font-size:20px;font-variant-numeric:tabular-nums}
.case-metric span{font-size:12.5px;font-weight:500;opacity:.8}
.empty-state{
  grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;padding:72px 24px;text-align:center;background:var(--surface);
  border:1px dashed rgba(18,23,26,.18);border-radius:var(--r-card);
}
.empty-state svg{color:var(--text-2)}
.empty-state p{color:var(--text-2);font-size:15.5px}

/* ---------- 数据带 ---------- */
.stats-band{
  position:relative;overflow:hidden;background:var(--brand-deep);color:var(--text-inverse);
  padding:72px 0;
}
.stats-band::after{
  content:"";position:absolute;left:-15%;right:-15%;top:-60%;height:200%;
  background:radial-gradient(50% 60% at 20% 30%,rgba(201,242,77,.08),transparent 70%);
  pointer-events:none;
}
.stats-band .container{position:relative;z-index:2}
.stats-head{margin-bottom:44px;max-width:40em}
.stats-head h2{font-size:clamp(24px,2.8vw,34px);line-height:1.24}
.stats-head p{margin-top:14px;color:rgba(244,242,237,.74);font-size:16px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat{padding-top:18px;border-top:1px solid var(--line-inverse)}
.stat .num{
  font-size:clamp(34px,4vw,52px);font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.05;
}
.stat .lbl{margin-top:10px;font-size:14px;color:rgba(244,242,237,.72)}

/* ---------- 客户墙 ---------- */
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.logo-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  min-height:104px;padding:18px 12px;text-align:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  filter:grayscale(1);opacity:.62;
  transition:filter 260ms var(--ease),opacity 260ms var(--ease),transform 260ms var(--ease),box-shadow 260ms var(--ease);
}
.logo-item:hover{filter:grayscale(0);opacity:1;transform:translateY(-3px);box-shadow:var(--sh-2)}
.logo-item .mark{width:34px;height:34px;border-radius:var(--r-tag);background:var(--brand);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.logo-item .name{font-size:13.5px;color:var(--text-2);line-height:1.5}

/* ---------- 复盘步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:8px}
.step{position:relative;padding:0 32px 0 0}
.step + .step{padding-left:32px}
.step + .step::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:1px;
  background:repeating-linear-gradient(180deg,rgba(18,23,26,.2) 0 4px,transparent 4px 10px);
}
.step .idx{
  font-size:clamp(40px,4.6vw,64px);font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(18,60,51,.35);
  font-variant-numeric:tabular-nums;
}
.step h3{margin-top:16px;font-size:19px;font-weight:600}
.step p{margin-top:10px;color:var(--text-2);font-size:15.5px;line-height:1.8;max-width:22em}

/* ---------- CTA ---------- */
.cta-section{
  position:relative;overflow:hidden;background:var(--brand-deep);color:var(--text-inverse);
  padding:88px 0;
}
.cta-section::after{
  content:"";position:absolute;left:-12%;right:-12%;bottom:-120px;height:300px;
  border-radius:50%;border:1px solid rgba(201,242,77,.14);
  transform:rotate(-4deg);pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start}
.cta-copy h2{font-size:clamp(26px,3.2vw,40px);line-height:1.2}
.cta-copy > p{margin-top:16px;font-size:17px;color:rgba(244,242,237,.8);max-width:30em}
.cta-list{margin-top:28px;display:flex;flex-direction:column;gap:14px}
.cta-list li{display:flex;align-items:flex-start;gap:12px;font-size:15.5px;color:rgba(244,242,237,.88)}
.cta-list svg{flex:none;margin-top:5px;color:var(--accent)}
.cta-form{
  background:rgba(244,242,237,.05);border:1px solid var(--line-inverse);border-radius:var(--r-card);
  padding:28px;
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:rgba(244,242,237,.78);margin-bottom:8px}
.field input,.field textarea{
  width:100%;background:rgba(244,242,237,.07);border:1px solid var(--line-inverse);
  border-radius:var(--r-img);padding:0 14px;color:var(--text-inverse);height:48px;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease),background-color 200ms var(--ease);
}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:104px}
.field input::placeholder,.field textarea::placeholder{color:rgba(244,242,237,.5)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:rgba(244,242,237,.1);
  box-shadow:0 0 0 4px rgba(201,242,77,.16);
}
.field.has-error input,.field.has-error textarea{border-color:#E06A5C}
.field-error{margin-top:8px;font-size:12.5px;color:#F0A79C}
.form-note{margin-top:14px;font-size:12.5px;color:rgba(244,242,237,.6)}
.form-success{
  margin-top:16px;padding:12px 14px;border-radius:var(--r-tag);
  background:rgba(201,242,77,.14);border:1px solid rgba(201,242,77,.35);
  color:var(--text-inverse);font-size:14px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-block);color:var(--text-inverse);padding:72px 0 0}
.footer-rule{width:64px;height:2px;background:var(--accent);border-radius:2px;margin-bottom:48px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-mark{color:var(--text-inverse)}
.footer-brand .logo-sub{color:rgba(244,242,237,.6)}
.footer-brand p{margin-top:18px;font-size:14.5px;color:rgba(244,242,237,.66);max-width:24em;line-height:1.8}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-inverse);border-radius:999px;color:rgba(244,242,237,.8);
  transition:background-color 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:#0D1512}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:rgba(244,242,237,.95);margin-bottom:20px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14.5px;color:rgba(244,242,237,.68);transition:color 200ms var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;flex-direction:column;gap:4px;font-size:14.5px;color:rgba(244,242,237,.72)}
.footer-contact span{font-size:12.5px;color:rgba(244,242,237,.45)}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-inverse);
  padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(244,242,237,.5)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity 480ms var(--ease),transform 480ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1 !important;transform:none !important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:1000px;padding:0 20px}
  .case-card,.case-card.span-7{grid-column:span 6}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .cta-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-links{display:none}
  .burger{display:inline-flex}
  .nav-actions .btn-primary{display:none}
  .case-grid{gap:20px}
  .case-card,.case-card.span-7{grid-column:span 12}
  .steps{grid-template-columns:1fr;gap:32px}
  .step,.step + .step{padding:0}
  .step + .step::before{left:0;right:auto;top:-16px;bottom:auto;width:100%;height:1px;
    background:repeating-linear-gradient(90deg,rgba(18,23,26,.2) 0 4px,transparent 4px 10px)}
  .filter-bar{top:64px}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  :root{--sec:52px}
  .container{padding:0 16px}
  body{font-size:16px}
  .nav-inner{height:68px}
  .site-header.is-solid .nav-inner{height:60px}
  .page-hero{min-height:44vh;padding:120px 0 44px}
  .page-hero h1{font-size:clamp(26px,7vw,34px)}
  .page-hero .hero-lead{font-size:16px}
  .hero-meta{gap:20px}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px}
  .filter-bar{top:60px}
  .filter-note{display:none}
  .case-body{padding:20px 20px 24px}
  .case-body h3{font-size:18.5px}
  .stats-grid{grid-template-columns:1fr;gap:24px}
  .logo-wall{grid-template-columns:repeat(3,1fr);gap:12px}
  .logo-item{min-height:92px;padding:14px 8px}
  .cta-section{padding:60px 0}
  .cta-form{padding:22px}
  .field input,.field textarea{font-size:16px}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .empty-state{padding:56px 18px}
}
@media (max-width:480px){
  .hero-meta div:nth-child(3){display:none}
  .logo-wall{grid-template-columns:repeat(2,1fr)}
  .crumbs{font-size:12px;gap:8px}
}

/* roulang page: category3 */
:root{
  --brand:#123C33;
  --brand-deep:#0A2A24;
  --accent:#C9F24D;
  --accent-deep:#B4E032;
  --paper:#F4F2ED;
  --surface:#FFFFFF;
  --ink-block:#0D1512;
  --text:#12171A;
  --text-2:#5F6B66;
  --text-inverse:#F4F2ED;
  --line:rgba(18,23,26,.10);
  --line-dark:rgba(244,242,237,.16);
  --r-card:18px;
  --r-img:12px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(18,23,26,.04);
  --sh-2:0 18px 44px -20px rgba(18,23,26,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Inter",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.2;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(201,242,77,.7);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:absolute;top:0;left:0;right:0;z-index:60;
  background:rgba(13,21,18,.34);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(244,242,237,.14);
  box-shadow:0 8px 30px -22px rgba(0,0,0,.6);
  transition:background .24s var(--ease),height .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-solid{
  position:fixed;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 26px -20px rgba(18,23,26,.35);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:84px;}
.site-header.is-solid .nav-inner{height:64px;}
.logo{display:inline-flex;align-items:baseline;gap:6px;color:var(--text-inverse);transition:color .24s var(--ease);}
.site-header.is-solid .logo{color:var(--text);}
.logo-mark{font-size:19px;font-weight:700;letter-spacing:.14em;}
.logo-sub{font-size:11px;font-weight:500;letter-spacing:.14em;opacity:.78;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;color:rgba(244,242,237,.88);
  transition:color .2s var(--ease);
}
.site-header.is-solid .nav-link{color:var(--text-2);}
.nav-link::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);
}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link:hover{color:var(--text-inverse);}
.site-header.is-solid .nav-link:hover{color:var(--text);}
.nav-link.is-active{color:var(--text-inverse);}
.nav-link.is-active::after{transform:scaleX(1);background:var(--accent);height:3px;}
.site-header.is-solid .nav-link.is-active{color:var(--text);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:999px;color:var(--text-inverse);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.icon-btn:hover{background:rgba(244,242,237,.14);}
.site-header.is-solid .icon-btn{color:var(--text);}
.site-header.is-solid .icon-btn:hover{background:rgba(18,23,26,.06);}
.burger{display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;color:var(--text-inverse);transition:background .2s var(--ease);}
.site-header.is-solid .burger{color:var(--text);}
.burger:hover{background:rgba(244,242,237,.14);}
.site-header.is-solid .burger:hover{background:rgba(18,23,26,.06);}
.search-panel{
  max-height:0;overflow:hidden;background:rgba(13,21,18,.9);
  transition:max-height .28s var(--ease);
}
.search-panel.is-open{max-height:110px;}
.search-panel form{display:flex;gap:12px;padding:16px 0 20px;}
.search-panel input{
  flex:1;height:48px;border-radius:var(--r-img);border:1px solid rgba(244,242,237,.22);
  background:rgba(255,255,255,.08);color:var(--text-inverse);padding:0 16px;
}
.search-panel input::placeholder{color:rgba(244,242,237,.6);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;
  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:42px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--accent);color:#0D1512;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-primary svg{transition:transform .2s var(--ease);}
.btn-primary:hover svg{transform:translateX(3px);}
.btn-ghost{border:1px solid var(--line);color:var(--text);background:transparent;}
.btn-ghost:hover{background:var(--text);color:var(--text-inverse);border-color:var(--text);}
.btn-ghost-light{border:1px solid var(--line-dark);color:var(--text-inverse);background:transparent;}
.btn-ghost-light:hover{background:var(--text-inverse);color:var(--ink-block);border-color:var(--text-inverse);}
.btn[disabled]{opacity:.4;pointer-events:none;}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  position:relative;padding-bottom:3px;color:var(--brand);
}
.link-cta::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:currentColor;
  transition:width .2s var(--ease);
}
.link-cta:hover::after{width:100%;}
.link-cta svg{transition:transform .2s var(--ease);}
.link-cta:hover svg{transform:translateX(3px);}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;display:flex;align-items:flex-end;
  min-height:48vh;padding:150px 0 58px;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,42,36,.44) 0%,rgba(10,42,36,.34) 45%,rgba(10,42,36,.58) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:520px;height:520px;
  border:1px solid rgba(201,242,77,.08);border-radius:50%;
  animation:driftLine 22s linear infinite;
}
@keyframes driftLine{
  0%{transform:translateX(0);}
  50%{transform:translateX(-26px);}
  100%{transform:translateX(0);}
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;font-size:12.5px;color:rgba(244,242,237,.72);
  margin-bottom:26px;
}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--text-inverse);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:500;letter-spacing:.14em;
  color:var(--accent);border:1px solid rgba(201,242,77,.42);
  border-radius:var(--r-tag);padding:6px 12px;margin-bottom:20px;
}
.hero-title{
  font-size:clamp(38px,6vw,66px);line-height:1.12;letter-spacing:-.02em;
  color:var(--text-inverse);font-weight:700;margin-bottom:20px;
}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(244,242,237,.86);max-width:660px;}

/* ---------- Sections ---------- */
.section{padding:var(--sec) 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(26px,3.2vw,40px);line-height:1.2;margin-bottom:16px;
  display:flex;align-items:center;gap:14px;
}
.section-head h2::before{
  content:"";width:26px;height:3px;background:var(--brand);border-radius:2px;flex:0 0 auto;
}
.section-head p{color:var(--text-2);font-size:16.5px;max-width:660px;}

/* ---------- Support entries ---------- */
.support-grid{
  display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:auto auto;gap:24px;
}
.support-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
  display:flex;flex-direction:column;
}
.support-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.support-card--wide{grid-row:span 2;}
.support-card--wide .card-media{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;margin-bottom:24px;
}
.support-card--wide .card-media img{
  width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);
}
.support-card--wide:hover .card-media img{transform:scale(1.03);}
.tag{
  display:inline-flex;align-items:center;font-size:11.5px;font-weight:500;letter-spacing:.1em;
  border-radius:var(--r-tag);padding:5px 10px;border:1px solid var(--line);color:var(--text-2);
  margin-bottom:14px;align-self:flex-start;
}
.tag-accent{border-color:rgba(18,60,51,.35);color:var(--brand);}
.support-card h3{font-size:21px;line-height:1.4;margin-bottom:12px;}
.support-card p{color:var(--text-2);font-size:15.5px;line-height:1.85;}
.support-list{margin-top:18px;display:grid;gap:10px;}
.support-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);line-height:1.75;
}
.support-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:11px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 3px rgba(201,242,77,.22);
}
.support-card .link-cta{margin-top:auto;padding-top:22px;}

/* ---------- FAQ ---------- */
.faq-section{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.faq-columns{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;}
.faq-col{display:flex;flex-direction:column;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  width:100%;text-align:left;padding:22px 0;font-size:17.5px;font-weight:600;line-height:1.55;
  color:var(--text);transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  position:relative;flex:0 0 auto;width:18px;height:18px;margin-top:5px;
  transition:transform .26s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:opacity .26s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:1.6px;}
.faq-icon::after{left:8px;top:0;width:1.6px;height:18px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .26s var(--ease);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{
  max-width:720px;color:var(--text-2);font-size:15.5px;line-height:1.85;padding:0 30px 24px 0;
}

/* ---------- Contact form ---------- */
.form-wrap{max-width:720px;margin:0 auto;}
.form-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px;box-shadow:var(--sh-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:var(--text);letter-spacing:.02em;}
.field input,.field textarea{
  width:100%;height:48px;border-radius:var(--r-img);border:1px solid var(--line);
  background:var(--surface);padding:0 14px;font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-2);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(18,60,51,.12);
}
.field.has-error input,.field.has-error textarea{border-color:#C0392B;box-shadow:0 0 0 4px rgba(192,57,43,.1);}
.field .err{font-size:12px;color:#C0392B;line-height:1.6;display:none;}
.field.has-error .err{display:block;}
.form-actions{display:flex;align-items:center;gap:16px;margin-top:26px;flex-wrap:wrap;}
.form-note{font-size:13px;color:var(--text-2);}
.form-success{
  display:none;margin-top:20px;padding:14px 16px;border-radius:var(--r-img);
  background:rgba(201,242,77,.18);border:1px solid rgba(18,60,51,.22);
  font-size:14px;color:var(--brand);
}
.form-success.is-visible{display:block;}

/* ---------- Hours / SLA bar ---------- */
.sla-bar{
  background:var(--brand);color:var(--text-inverse);border-radius:var(--r-card);
  padding:34px 36px;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
}
.sla-item{border-left:1px solid var(--line-dark);padding-left:20px;}
.sla-item:first-child{border-left:none;padding-left:0;}
.sla-num{
  font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--accent);
  line-height:1.1;font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.sla-label{font-size:14px;color:rgba(244,242,237,.82);line-height:1.7;}
.sla-note{
  grid-column:1 / -1;font-size:14px;color:rgba(244,242,237,.72);
  border-top:1px solid var(--line-dark);padding-top:20px;line-height:1.8;
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;background:var(--brand-deep);color:var(--text-inverse);
  padding:88px 0 84px;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-140px;top:-160px;width:620px;height:620px;
  border:1px solid rgba(201,242,77,.07);border-radius:50%;
  animation:driftLine 26s linear infinite;
}
.cta-band::after{
  content:"";position:absolute;right:-180px;bottom:-240px;width:560px;height:560px;
  border:1px solid rgba(201,242,77,.06);border-radius:50%;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.cta-inner h2{font-size:clamp(26px,3.2vw,38px);line-height:1.22;margin-bottom:16px;color:var(--text-inverse);}
.cta-inner .cta-lead{font-size:17px;color:rgba(244,242,237,.82);max-width:520px;margin-bottom:26px;}
.check-list{display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:rgba(244,242,237,.9);line-height:1.7;}
.check-list svg{flex:0 0 auto;margin-top:5px;color:var(--accent);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-block);color:var(--text-inverse);padding:72px 0 0;}
.footer-rule{width:64px;height:2px;background:var(--accent);margin-bottom:44px;}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr 1fr;gap:40px;}
.footer-brand .logo{color:var(--text-inverse);margin-bottom:16px;}
.footer-brand p{font-size:14.5px;color:rgba(244,242,237,.66);line-height:1.85;max-width:320px;}
.footer-social{display:flex;gap:10px;margin-top:22px;}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border:1px solid var(--line-dark);border-radius:10px;color:rgba(244,242,237,.8);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.footer-social a:hover{background:var(--accent);color:#0D1512;border-color:var(--accent);}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:.12em;color:rgba(244,242,237,.55);
  margin-bottom:20px;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14.5px;color:rgba(244,242,237,.82);}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{font-size:14.5px;color:rgba(244,242,237,.82);line-height:1.7;}
.footer-contact li span{display:block;font-size:12px;color:rgba(244,242,237,.5);letter-spacing:.08em;margin-bottom:2px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-dark);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(244,242,237,.55);
}
.footer-bottom a{color:rgba(244,242,237,.72);}
.footer-bottom a:hover{color:var(--accent);}
.footer-bottom-links{display:flex;gap:18px;flex-wrap:wrap;}

/* ---------- Mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--surface);
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:24px 24px 28px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-head .logo{color:var(--text);}
.drawer-close{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);color:var(--text);
}
.drawer-links{display:grid;gap:0;}
.drawer-links a{
  height:48px;display:flex;align-items:center;font-size:16px;font-weight:500;
  border-bottom:1px solid var(--line);color:var(--text);
}
.drawer-links a.is-active{color:var(--brand);}
.drawer-links a.is-active::before{
  content:"";width:3px;height:16px;background:var(--accent);margin-right:10px;border-radius:2px;
}
.drawer-foot{margin-top:auto;padding-top:26px;}
.drawer-foot .btn{width:100%;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.06s;}
.reveal.d2{transition-delay:.12s;}
.reveal.d3{transition-delay:.18s;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{max-width:1000px;padding:0 20px;}
  :root{--sec:80px;}
  .support-grid{grid-template-columns:1fr 1fr;}
  .support-card--wide{grid-row:auto;grid-column:1 / -1;}
  .cta-inner{gap:40px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .burger{display:inline-flex;}
  .section{padding:72px 0;}
  .faq-columns{grid-template-columns:1fr;gap:0;}
  .faq-col + .faq-col .faq-item:first-child{border-top:1px solid var(--line);}
  .sla-bar{grid-template-columns:repeat(2,1fr);gap:24px;}
  .sla-item:nth-child(3){border-left:none;padding-left:0;}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  :root{--sec:52px;}
  .container{padding:0 16px;}
  .nav-inner{height:72px;gap:16px;}
  .site-header.is-solid .nav-inner{height:60px;}
  .nav-actions .btn-primary{display:none;}
  .page-hero{min-height:44vh;padding:120px 0 44px;}
  .hero-lead{font-size:16px;}
  .support-grid{grid-template-columns:1fr;}
  .support-card{padding:24px;}
  .form-panel{padding:24px;}
  .form-grid{grid-template-columns:1fr;}
  .form-actions .btn{width:100%;}
  .sla-bar{grid-template-columns:1fr;padding:28px 24px;}
  .sla-item{border-left:none;padding-left:0;border-top:1px solid var(--line-dark);padding-top:18px;}
  .sla-item:first-child{border-top:none;padding-top:0;}
  .faq-q{font-size:16.5px;padding:20px 0;}
  .faq-a p{padding-right:8px;}
  .cta-band{padding:64px 0 60px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:10px;}
}
@media (max-width:479px){
  .breadcrumb{font-size:12px;}
  .hero-title{font-size:clamp(30px,8vw,38px);}
  .footer-contact li span{display:inline;margin-right:6px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  .page-hero::after,.cta-band::before{animation:none;}
  .support-card:hover{transform:none;}
  .support-card--wide:hover .card-media img{transform:none;}
  .btn-primary:hover{transform:none;}
}