/* roulang page: index */
:root{
  --bg-0:#070B14;
  --bg-1:#0B1424;
  --bg-2:#101C31;
  --brand:#1FE0B8;
  --brand-hover:#46F2CD;
  --accent:#3E7BFF;
  --amber:#FFB347;
  --text-1:#EAF2FF;
  --text-2:#9FB0C9;
  --text-3:#6A7C96;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.045);
  --radius-lg:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 20px 40px -24px rgba(0,0,0,.7);
  --shadow-brand:0 8px 28px -8px rgba(31,224,184,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
img{display:block;max-width:100%;height:auto;background:var(--bg-2)}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(31,224,184,.28);color:#fff}
.num,.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}
.section{position:relative;padding:96px 0}
.section--tint{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (max-width:767px){.section{padding:56px 0}}

/* ---------- 通用文案组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);font-weight:500;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--brand);opacity:.8}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.with-action{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.section-title{font-size:clamp(1.5rem,2.6vw,2rem);letter-spacing:-.01em;margin:14px 0 12px}
.section-desc{color:var(--text-2);font-size:15.5px;max-width:660px}
@media (max-width:767px){.section-head{margin-bottom:32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:500;white-space:nowrap;
  border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#04231C;font-weight:700;box-shadow:var(--shadow-brand)}
.btn-primary:hover{background:var(--brand-hover);box-shadow:0 12px 34px -8px rgba(31,224,184,.7)}
.btn-ghost{border-color:var(--line-strong);color:var(--text-1);background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(31,224,184,.5);color:var(--brand-hover)}
.btn-line{padding:0;height:auto;color:var(--brand);font-weight:500}
.btn-line:hover{color:var(--brand-hover);transform:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:14.5px;transition:gap .18s var(--ease),color .18s var(--ease)}
.link-arrow:hover{gap:12px;color:var(--brand-hover)}
.link-arrow::after{content:"→";font-family:var(--font-mono)}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12.5px;letter-spacing:.02em;
  background:rgba(31,224,184,.12);color:var(--brand);
  border:1px solid rgba(31,224,184,.28);
}
.badge-amber{background:rgba(255,179,71,.12);color:var(--amber);border-color:rgba(255,179,71,.3)}
.badge-accent{background:rgba(62,123,255,.14);color:#8FB2FF;border-color:rgba(62,123,255,.32)}
.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}

/* ---------- 玻璃卡 ---------- */
.glass{
  background:var(--glass);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.55);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,20,.88);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),#0E8F80);
  color:#04231C;font-family:var(--font-mono);font-weight:700;font-size:17px;
  box-shadow:0 6px 18px -6px rgba(31,224,184,.6);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-links a{
  position:relative;padding:9px 13px;border-radius:var(--radius-sm);
  font-size:15px;color:var(--text-2);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--text-1)}
.nav-links a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:var(--brand);box-shadow:0 0 12px rgba(31,224,184,.8);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,224,184,.16)}
.nav-search svg{flex:0 0 auto;opacity:.6}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px}
.nav-search input::placeholder{color:var(--text-3)}
.ghost-link{font-size:14.5px;color:var(--text-2);padding:8px 4px;transition:color .18s var(--ease)}
.ghost-link:hover{color:var(--brand-hover)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--line);align-items:center;justify-content:center;
  background:rgba(255,255,255,.03);margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;position:relative;transition:background .18s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{
  display:none;padding:16px 0 28px;border-top:1px solid var(--line);
  background:rgba(7,11,20,.97);
}
.drawer.is-open{display:block}
.drawer .drawer-search{margin-bottom:16px}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.drawer nav a{padding:12px 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line)}
.drawer nav a.active{color:var(--brand)}
.drawer .drawer-actions{display:flex;flex-direction:column;gap:10px}
.drawer .btn{width:100%}
@media (max-width:1023px){
  .nav-links,.nav-search,.ghost-link,.nav-right .btn{display:none}
  .nav-toggle{display:flex}
  .nav-right{margin-left:0}
}
@media (max-width:1279px) and (min-width:1024px){
  .nav-search{width:180px}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:88px 0 96px;
  background-color:var(--bg-0);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(7,11,20,.96) 0%,rgba(7,11,20,.84) 42%,rgba(7,11,20,.58) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.45;
}
.hero .container{position:relative;z-index:2}
.hero-badge{margin-bottom:22px}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.25rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.22;
  max-width:15em;
}
.hero-sub{
  margin-top:18px;max-width:520px;
  color:var(--text-2);font-size:clamp(1rem,1.4vw,1.09rem);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:34px;margin-top:44px;
  padding-top:26px;border-top:1px solid var(--line);
}
.trust-item .num{display:block;font-size:1.5rem;font-weight:700;color:var(--text-1)}
.trust-item span{font-size:13.5px;color:var(--text-3)}
.hero-panel{padding:26px 24px}
.panel-head{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text-2)}
.panel-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.panel-head .badge{margin-left:auto}
.panel-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.panel-list li{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px}
.panel-list li span{color:var(--text-3)}
.panel-list li b{font-weight:500;color:var(--text-1);text-align:right}
.panel-bars{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.bar-row{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.bar-row > span{flex:0 0 40px}
.bar-track{flex:1;height:8px;border-radius:var(--radius-pill);background:rgba(255,255,255,.06);overflow:hidden}
.bar-fill{height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,rgba(31,224,184,.5),var(--brand))}
.panel-note{margin-top:16px;font-size:12.5px;color:var(--text-3);line-height:1.7}
@media (max-width:1023px){
  .hero{padding:56px 0 64px}
  .hero-panel{margin-top:36px}
  .hero h1{max-width:none}
}
@media (max-width:519px){
  .hero-trust{gap:22px;margin-top:32px}
  .hero-cta .btn{width:100%}
}

/* ---------- 指标看板 ---------- */
.stats-grid{margin-top:8px}
.stat-card{
  position:relative;height:100%;padding:26px 24px 24px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.stat-card::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),rgba(31,224,184,0));
}
.stat-card:hover{transform:translateY(-2px);border-color:rgba(31,224,184,.28)}
.stat-label{font-size:14px;color:var(--text-3)}
.stat-value{margin:12px 0 6px;display:flex;align-items:baseline;gap:6px}
.stat-value .num{font-size:clamp(2.2rem,3.4vw,3rem);font-weight:700;line-height:1;color:var(--text-1)}
.stat-value .unit{font-size:14px;color:var(--text-2)}
.stat-note{font-size:13.5px;color:var(--text-2);display:flex;gap:8px;align-items:flex-start}
.trend{font-size:11px;line-height:1.6}
.trend.up{color:var(--brand)}
.trend.down{color:var(--amber)}
@media (max-width:1023px){.stat-card{margin-bottom:24px}}

/* ---------- 服务矩阵 ---------- */
.matrix{display:flex;gap:36px;align-items:flex-start}
.service-list{flex:0 0 42%;display:flex;flex-direction:column;gap:8px}
.service-item{
  position:relative;width:100%;text-align:left;
  padding:20px 20px 20px 24px;border-radius:var(--radius-sm);
  border-left:3px solid rgba(255,255,255,.08);
  color:var(--text-2);transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.service-item .idx{font-family:var(--font-mono);font-size:12.5px;color:var(--text-3);display:block;margin-bottom:6px}
.service-item strong{display:block;font-size:16.5px;font-weight:600;color:var(--text-1)}
.service-item em{display:block;font-style:normal;font-size:13.5px;color:var(--text-3);margin-top:6px}
.service-item:hover{background:rgba(255,255,255,.035)}
.service-item.is-active{background:rgba(31,224,184,.07);border-left-color:var(--brand);box-shadow:0 0 24px -12px rgba(31,224,184,.6)}
.service-item.is-active strong{color:var(--brand-hover)}
.service-panels{flex:1;min-width:0}
.service-panel{display:none}
.service-panel.is-active{display:block;animation:fadeUp .35s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.panel-card{
  padding:28px 26px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-card);
}
.panel-cover{
  width:100%;aspect-ratio:16/7;border-radius:12px;overflow:hidden;
  background:var(--bg-1);margin-bottom:22px;position:relative;
}
.panel-cover img{width:100%;height:100%;object-fit:cover}
.panel-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,0) 40%,rgba(7,11,20,.72))}
.panel-card h3{font-size:1.125rem;margin-bottom:12px}
.panel-card p{color:var(--text-2);font-size:15px}
.panel-card .chips{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 22px}
@media (max-width:1023px){
  .matrix{flex-direction:column;gap:24px}
  .service-list{flex:1;width:100%}
  .service-panels{width:100%}
}
@media (max-width:639px){
  .service-list{display:none}
  .service-panel{display:block;margin-bottom:20px}
  .service-panel.is-active{animation:none}
}

/* ---------- 结果对比 ---------- */
.compare-col{padding:4px 0 4px}
.compare-col h3{font-size:1.05rem;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.compare-col.before h3{color:var(--text-2)}
.compare-col.after h3{color:var(--brand-hover)}
.compare-col ul{display:flex;flex-direction:column;gap:12px}
.compare-col li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2)}
.compare-col li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--text-3)}
.compare-col.after li::before{background:var(--brand);box-shadow:0 0 8px rgba(31,224,184,.8)}
.compare-col.before{position:relative;padding-right:36px}
.compare-col.before::after{
  content:"";position:absolute;right:0;top:10px;bottom:10px;width:1px;
  background:linear-gradient(180deg,transparent,rgba(31,224,184,.5),transparent);
}
@media (max-width:1023px){
  .compare-col.before{padding-right:0;padding-bottom:28px}
  .compare-col.before::after{right:auto;left:0;top:auto;bottom:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,rgba(31,224,184,.45),transparent)}
  .compare-col.after{padding-top:26px}
}
.compare-chart{margin-top:52px;display:flex;flex-direction:column;gap:26px}
.chart-group{padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(255,255,255,.02)}
.chart-label{font-size:14.5px;color:var(--text-2);margin-bottom:14px}
.chart-bar{height:26px;border-radius:var(--radius-pill);background:rgba(255,255,255,.05);overflow:hidden;margin-bottom:10px}
.chart-bar:last-child{margin-bottom:0}
.chart-fill{
  display:flex;align-items:center;justify-content:flex-end;
  height:100%;padding-right:12px;border-radius:var(--radius-pill);
  font-family:var(--font-mono);font-size:12.5px;color:#04231C;font-weight:700;
  min-width:56px;transition:width .5s var(--ease);
}
.chart-fill.is-before{background:linear-gradient(90deg,rgba(255,179,71,.25),rgba(255,179,71,.75));color:#2A1A02}
.chart-fill.is-after{background:linear-gradient(90deg,rgba(31,224,184,.4),var(--brand))}
.chart-foot{margin-top:18px;font-size:13px;color:var(--text-3)}

/* ---------- 最新发布（CMS 区） ---------- */
.news-lead{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.news-lead:hover{transform:translateY(-2px);border-color:rgba(31,224,184,.3)}
.news-cover{width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1)}
.news-cover img{width:100%;height:100%;object-fit:cover}
.news-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.news-lead h3{font-size:1.25rem;line-height:1.45}
.news-lead h3 a:hover{color:var(--brand-hover)}
.news-body p{color:var(--text-2);font-size:14.5px}
.news-card{
  display:flex;flex-direction:column;gap:10px;height:100%;
  padding:22px;background:rgba(255,255,255,.03);border:1px solid var(--line);
  border-radius:var(--radius-lg);transition:transform .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(31,224,184,.3);background:rgba(31,224,184,.05)}
.news-card h4{font-size:16px;line-height:1.55;font-weight:600}
.news-card h4 a:hover{color:var(--brand-hover)}
.news-card p{font-size:13.8px;color:var(--text-2);flex:1}
.news-empty{
  padding:52px 28px;text-align:center;border-radius:var(--radius-lg);
  background:var(--glass);border:1px dashed rgba(255,255,255,.14);
}
.news-empty .empty-mark{
  width:44px;height:44px;margin:0 auto 16px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(31,224,184,.3);color:var(--brand);font-family:var(--font-mono);
}
.news-empty p{color:var(--text-2);margin-bottom:20px}
.news-grid .cell{margin-bottom:24px}

/* ---------- 证言 ---------- */
.quote-main{
  padding:32px 30px;height:100%;
  background:linear-gradient(160deg,rgba(31,224,184,.09),rgba(255,255,255,.02));
  border:1px solid rgba(31,224,184,.22);border-radius:var(--radius-lg);
}
.quote-main blockquote{margin:0;font-size:17px;line-height:1.85;color:var(--text-1)}
.quote-main cite{display:block;margin-top:20px;font-style:normal;font-size:13.5px;color:var(--text-3)}
.quote-side{
  padding:24px;height:100%;background:rgba(255,255,255,.03);
  border:1px solid var(--line);border-radius:var(--radius-lg);
}
.quote-side blockquote{margin:0;font-size:15px;color:var(--text-2)}
.quote-side cite{display:block;margin-top:16px;font-style:normal;font-size:13px;color:var(--text-3)}
@media (max-width:1023px){.quote-main{margin-bottom:24px}.quote-side{margin-bottom:24px}.quote-side:last-child{margin-bottom:0}}

/* ---------- FAQ ---------- */
.faq-wrap{display:flex;flex-direction:column;gap:12px;padding:12px;border-radius:var(--radius-lg);background:var(--glass);border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(14px)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 18px;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand-hover)}
.faq-q .faq-icon{
  flex:0 0 26px;height:26px;border-radius:50%;border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  font-weight:400;font-size:16px;line-height:1;color:var(--text-2);
  transition:transform .28s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--brand);border-color:rgba(31,224,184,.5)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 18px 22px;font-size:15px;line-height:1.9;color:var(--text-2);max-width:880px}

/* ---------- CTA 表单 ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:20px;
  padding:52px 44px;border:1px solid var(--line);
  background-color:var(--bg-1);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-block::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(7,11,20,.95),rgba(11,20,36,.86));z-index:0}
.cta-block > *{position:relative;z-index:1}
.cta-points{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.cta-points li{display:flex;gap:12px;font-size:15px;color:var(--text-2)}
.cta-points li::before{content:"—";color:var(--brand);font-family:var(--font-mono)}
.form-card{padding:28px 26px;border-radius:var(--radius-lg);background:rgba(16,28,49,.82);border:1px solid var(--line-strong);backdrop-filter:blur(14px)}
.form-grid{display:flex;flex-direction:column;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-size:13.5px;color:var(--text-3);margin-bottom:8px}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;min-height:48px;padding:12px 14px;margin:0;
  background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius-sm);color:var(--text-1);font-size:15px;line-height:1.6;
  box-shadow:none;appearance:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{min-height:110px;resize:vertical}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%231FE0B8' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,224,184,.16);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.form-note{font-size:12.5px;color:var(--text-3);line-height:1.7}
.form-msg{display:none;font-size:14px;color:var(--brand);margin-top:4px}
.form-msg.is-on{display:block}
@media (max-width:767px){
  .cta-block{padding:34px 22px}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px 18px}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:8px;padding:72px 0 0;
  background:var(--bg-0);border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,184,.55),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social span{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:13px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-social span:hover{color:var(--brand);border-color:rgba(31,224,184,.4)}
.footer-col h4{font-size:14px;color:var(--text-2);margin-bottom:16px;font-weight:600;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:var(--text-3);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--brand-hover)}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a:hover{color:var(--brand-hover)}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{padding-top:56px}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .btn:hover{transform:none}
}

/* roulang page: article */
:root{
  --bg-0:#070B14;
  --bg-1:#0B1424;
  --bg-2:#101C31;
  --brand:#1FE0B8;
  --brand-hover:#46F2CD;
  --accent:#3E7BFF;
  --amber:#FFB347;
  --text-1:#EAF2FF;
  --text-2:#9FB0C9;
  --text-3:#6A7C96;
  --line:rgba(255,255,255,.07);
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --glass-border:rgba(255,255,255,.08);
  --radius-card:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 20px 40px -24px rgba(0,0,0,.7);
  --shadow-brand:0 8px 28px -8px rgba(31,224,184,.55);
  --container:1200px;
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--accent);text-decoration:none;transition:color 180ms var(--ease);}
a:hover{color:var(--brand);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,h5,h6{color:var(--text-1);font-weight:700;line-height:1.35;margin:0;letter-spacing:-0.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
hr{border:0;border-top:1px solid var(--line);}
::selection{background:rgba(31,224,184,.28);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1280px){:root{--container:1280px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform 180ms var(--ease),background 180ms var(--ease),box-shadow 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#04120E;box-shadow:var(--shadow-brand);}
.btn-primary:hover{background:var(--brand-hover);color:#04120E;transform:translateY(-2px);box-shadow:0 12px 34px -8px rgba(31,224,184,.7);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:var(--text-1);border-color:var(--glass-border);}
.btn-ghost:hover{border-color:rgba(31,224,184,.55);color:var(--brand);transform:translateY(-2px);}
.btn-soft{background:var(--glass);color:var(--text-1);border-color:var(--glass-border);backdrop-filter:blur(14px);}
.btn-soft:hover{background:var(--glass-strong);border-color:rgba(31,224,184,.4);color:var(--brand);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background 240ms var(--ease),border-color 240ms var(--ease);
}
.site-header.scrolled{background:rgba(7,11,20,.88);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(140deg,#1FE0B8,#3E7BFF);
  color:#04120E;font-weight:800;font-size:17px;line-height:1;
  box-shadow:0 6px 18px -6px rgba(31,224,184,.6);
}
.brand-name{font-size:18px;font-weight:800;color:var(--text-1);letter-spacing:-0.01em;}
.brand:hover .brand-name{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:var(--radius-sm);
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);opacity:0;transform:scaleX(.4);
  transition:opacity 180ms var(--ease),transform 180ms var(--ease);
  box-shadow:0 0 12px rgba(31,224,184,.8);
}
.nav-links a:hover{color:var(--text-1);background:var(--glass);}
.nav-links a.active{color:var(--text-1);}
.nav-links a.active::after{opacity:1;transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{position:relative;width:240px;}
.nav-search input{
  width:100%;height:38px;padding:0 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-border);
  color:var(--text-1);font-size:14px;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;border-color:rgba(31,224,184,.6);background:rgba(31,224,184,.06);
  box-shadow:0 0 0 3px rgba(31,224,184,.14);
}
.link-quiet{font-size:15px;color:var(--text-2);font-weight:500;}
.link-quiet:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--glass-border);cursor:pointer;
  padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px;
  transition:transform 200ms var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:rgba(7,11,20,.97);
  padding:16px 20px 24px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a.d-link{
  display:block;padding:13px 4px;border-bottom:1px solid var(--line);
  color:var(--text-1);font-size:16px;font-weight:500;
}
.mobile-drawer a.d-link.active{color:var(--brand);}
.mobile-drawer .d-search{margin:16px 0;}
.mobile-drawer .d-search input{width:100%;height:44px;padding:0 16px;border-radius:var(--radius-pill);background:rgba(255,255,255,.04);border:1px solid var(--glass-border);color:var(--text-1);font-size:15px;}
.mobile-drawer .d-actions{display:grid;gap:10px;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:20px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-2);max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;padding:32px 0 44px;
  background:
    linear-gradient(180deg,rgba(7,11,20,.86),rgba(7,11,20,.96)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;opacity:.6;pointer-events:none;
}
.article-hero .container{position:relative;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(31,224,184,.1);border:1px solid rgba(31,224,184,.32);
  color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);}
.article-hero h1{
  margin:20px 0 18px;
  font-size:clamp(1.75rem,3.6vw,2.6rem);
  font-weight:800;letter-spacing:-0.02em;line-height:1.3;
  max-width:22ch;
}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;color:var(--text-3);font-size:13.5px;}
.meta-line .meta-strong{color:var(--text-2);}
.meta-line time{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--text-2);}
.meta-line .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.7;}

/* ============ 正文区 ============ */
.article-main{padding:56px 0 72px;background:var(--bg-0);}
.article-cover{
  margin:0 0 40px;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--glass-border);background:var(--bg-2);
  box-shadow:var(--shadow-card);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-cover figcaption{
  padding:12px 18px;font-size:13px;color:var(--text-3);
  border-top:1px solid var(--line);background:rgba(255,255,255,.02);
}
.article-body{max-width:760px;font-size:17px;line-height:1.95;color:var(--text-2);}
.article-body h2{
  position:relative;margin:48px 0 16px;padding-left:16px;
  font-size:clamp(1.4rem,2.4vw,1.75rem);font-weight:700;color:var(--text-1);line-height:1.45;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 16px rgba(31,224,184,.6);
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{margin:32px 0 12px;font-size:1.125rem;font-weight:600;color:var(--text-1);}
.article-body h4{margin:24px 0 10px;font-size:1rem;font-weight:600;color:var(--text-1);}
.article-body p{margin:0 0 20px;}
.article-body strong{color:var(--text-1);font-weight:600;}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(62,123,255,.35);}
.article-body a:hover{color:var(--brand);border-bottom-color:rgba(31,224,184,.6);}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px;}
.article-body ul li{list-style:disc;margin-bottom:10px;}
.article-body ol li{list-style:decimal;margin-bottom:10px;}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;border-left:3px solid var(--brand);
  background:rgba(255,255,255,.04);border-radius:0 12px 12px 0;color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:8px 0 24px;}
.article-body figure{margin:24px 0;}
.article-body figure figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;
  background:rgba(255,255,255,.03);border:1px solid var(--glass-border);border-radius:14px;
  font-size:15px;
}
.article-body th,.article-body td{padding:11px 16px;border-bottom:1px solid var(--line);text-align:left;color:var(--text-2);}
.article-body th{color:var(--text-1);font-weight:600;background:rgba(255,255,255,.03);}
.article-body tr:last-child td{border-bottom:0;}
.article-body pre{
  margin:24px 0;padding:16px 18px;border-radius:14px;overflow-x:auto;
  background:#05080F;border:1px solid var(--line);
  font-family:var(--font-mono);font-size:14px;line-height:1.7;color:var(--text-1);
}
.article-body code{font-family:var(--font-mono);font-size:.92em;background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;color:var(--brand);}
.article-body pre code{background:none;padding:0;color:inherit;}
.article-body hr{margin:36px 0;}

.empty-state{
  display:grid;gap:14px;justify-items:start;
  padding:36px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
}
.empty-state h2{font-size:1.1rem;color:var(--text-1);padding:0;margin:0;}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--text-2);font-size:15px;margin:0;}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;padding-top:28px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--glass-border);color:var(--text-2);font-size:13px;
  transition:color 180ms var(--ease),border-color 180ms var(--ease),transform 180ms var(--ease);
}
.tag:hover{color:var(--brand);border-color:rgba(31,224,184,.45);transform:translateY(-2px);}

/* 底部返回 */
.article-foot{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  margin-top:36px;padding:22px 24px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--glass-border);
}
.article-foot .foot-text{font-size:14px;color:var(--text-2);}
.article-foot .foot-links{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 侧栏 ============ */
.article-side{display:grid;gap:20px;align-content:start;margin-top:40px;}
@media (min-width:1024px){.article-side{margin-top:0;}}
@media (min-width:1280px){.article-side{position:sticky;top:96px;}}
.side-card{
  padding:24px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
}
.side-card h3{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:16px;letter-spacing:.01em;}
.side-list{display:grid;gap:4px;}
.side-list a{
  display:block;padding:11px 12px;border-radius:var(--radius-sm);
  color:var(--text-2);font-size:14.5px;line-height:1.6;
  border:1px solid transparent;
  transition:background 180ms var(--ease),color 180ms var(--ease),transform 180ms var(--ease);
}
.side-list a:hover{background:rgba(31,224,184,.08);color:var(--brand);transform:translateX(2px);}
.side-cta{
  background:linear-gradient(150deg,rgba(31,224,184,.16),rgba(62,123,255,.12));
  border-color:rgba(31,224,184,.28);
}
.side-cta h3{font-size:16px;}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:18px;line-height:1.8;}
.side-meta{display:grid;gap:12px;margin-top:6px;}
.side-meta div{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--text-3);padding-bottom:10px;border-bottom:1px dashed var(--line);}
.side-meta div:last-child{border-bottom:0;padding-bottom:0;}
.side-meta strong{color:var(--text-1);font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-weight:600;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;background:var(--bg-0);}
.section.is-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:44px;max-width:640px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand);margin-bottom:12px;
}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;letter-spacing:-0.01em;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.85;}

/* 分类入口卡 */
.entry-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@media (min-width:640px){.entry-grid{grid-template-columns:repeat(2,1fr);}}
.entry-card{
  position:relative;display:grid;gap:0;overflow:hidden;border-radius:var(--radius-card);
  background:var(--bg-2);border:1px solid var(--glass-border);box-shadow:var(--shadow-card);
  transition:transform 180ms var(--ease),border-color 180ms var(--ease);
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(31,224,184,.4);}
.entry-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.entry-card:hover .thumb img{transform:scale(1.04);}
.entry-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.05),rgba(7,11,20,.72));
}
.entry-card .body{padding:24px;}
.entry-card h3{font-size:1.125rem;color:var(--text-1);margin-bottom:10px;}
.entry-card p{font-size:14.5px;color:var(--text-2);line-height:1.85;margin-bottom:16px;}
.entry-card .more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.entry-card .more::after{content:"→";transition:transform 180ms var(--ease);}
.entry-card:hover .more::after{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-wrap{
  border-radius:var(--radius-card);background:var(--glass);
  border:1px solid var(--glass-border);backdrop-filter:blur(14px);overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 26px;background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--text-1);font-size:16.5px;font-weight:600;line-height:1.6;
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.faq-q:hover{background:rgba(255,255,255,.03);}
.faq-item.open .faq-q{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;margin-top:4px;
  transition:transform 220ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;left:50%;top:50%;
}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{display:none;padding:0 26px 24px;color:var(--text-2);font-size:15px;line-height:1.9;}
.faq-item.open .faq-a{display:block;}

/* ============ CTA 表单 ============ */
.cta-form{
  display:grid;gap:28px;
  padding:36px;border-radius:20px;
  background:linear-gradient(150deg,rgba(31,224,184,.08),rgba(16,28,49,.9) 60%);
  border:1px solid var(--glass-border);box-shadow:var(--shadow-card);
}
@media (min-width:1024px){.cta-form{grid-template-columns:5fr 7fr;gap:44px;padding:48px;}}
.cta-form h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:16px;}
.cta-points{display:grid;gap:14px;margin-top:22px;}
.cta-points li{position:relative;padding-left:22px;color:var(--text-2);font-size:15px;line-height:1.8;}
.cta-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(31,224,184,.7);
}
.form-grid{display:grid;gap:16px;}
@media (min-width:640px){.form-grid .two{display:grid;grid-template-columns:1fr 1fr;gap:16px;}}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.03);border:1px solid var(--glass-border);
  color:var(--text-1);font-size:15px;line-height:1.6;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease);
}
.field textarea{min-height:112px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(31,224,184,.6);background:rgba(31,224,184,.05);
  box-shadow:0 0 0 3px rgba(31,224,184,.14);
}
.field select option{background:var(--bg-2);color:var(--text-1);}
.form-note{font-size:13px;color:var(--text-3);margin-top:12px;line-height:1.8;}
.form-note.success{color:var(--brand);}
.form-note.error{color:var(--amber);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--bg-1);padding:72px 0 28px;
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,184,.7),rgba(62,123,255,.5),transparent);
}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}}
.footer-brand p{margin:16px 0 20px;color:var(--text-2);font-size:14.5px;line-height:1.85;max-width:38ch;}
.footer-social{display:flex;gap:8px;}
.footer-social span{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-border);
  color:var(--text-2);font-size:13px;font-weight:600;
}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col li{color:var(--text-2);font-size:14.5px;line-height:1.7;}
.footer-col a{color:var(--text-2);font-size:14.5px;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  color:var(--text-3);font-size:13px;
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-search{width:180px;}
}
@media (max-width:1023px){
  .nav-links,.nav-search,.link-quiet,.header-actions .btn-ghost{display:none;}
  .nav-toggle{display:grid;}
  .header-actions{gap:10px;}
  .header-inner{gap:16px;}
  .article-hero h1{max-width:100%;}
}
@media (max-width:639px){
  .section{padding:56px 0;}
  .article-main{padding:40px 0 56px;}
  .article-hero{padding:24px 0 36px;}
  .header-actions .btn-primary{display:none;}
  .btn{padding:12px 20px;}
  .cta-form{padding:24px;}
  .faq-q{padding:18px 20px;font-size:15.5px;}
  .faq-a{padding:0 20px 20px;}
  .article-foot{flex-direction:column;align-items:stretch;}
  .article-foot .foot-links .btn{width:100%;}
  .breadcrumb .current{white-space:normal;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .entry-card:hover,.btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg-0:#070B14;
  --bg-1:#0B1424;
  --bg-2:#101C31;
  --brand:#1FE0B8;
  --brand-hover:#46F2CD;
  --accent:#3E7BFF;
  --amber:#FFB347;
  --text-1:#EAF2FF;
  --text-2:#9FB0C9;
  --text-3:#6A7C96;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(255,255,255,.08);
  --radius-lg:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 20px 40px -24px rgba(0,0,0,.7);
  --shadow-brand:0 8px 28px -8px rgba(31,224,184,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --font-sans:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle at 10% -8%, rgba(31,224,184,.09), transparent 42%),
    radial-gradient(circle at 90% 2%, rgba(62,123,255,.10), transparent 40%);
  background-repeat:no-repeat;
  color:var(--text-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--accent);text-decoration:none;transition:color 180ms var(--ease);}
a:hover{color:var(--brand);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1280px){:root{--container:1280px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background 220ms var(--ease),border-color 220ms var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,20,.9);border-bottom-color:var(--line-strong);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:700;letter-spacing:-.01em;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#0E9C86);
  color:#04140F;font-family:var(--font-mono);font-weight:700;font-size:17px;
  box-shadow:0 6px 18px -8px rgba(31,224,184,.8);
}
.brand-name{font-size:17px;font-weight:700;}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--text-2);
}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-links a.active{color:var(--text-1);font-weight:500;}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),rgba(31,224,184,.15));
  box-shadow:0 0 10px rgba(31,224,184,.8);
}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;width:240px;height:38px;padding:0 14px;
  border-radius:var(--radius-pill);background:rgba(255,255,255,.045);border:1px solid var(--line);
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{width:100%;background:transparent;border:0;outline:none;font-size:14px;color:var(--text-1);}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:rgba(31,224,184,.6);box-shadow:0 0 0 3px rgba(31,224,184,.12);}
.nav-link{font-size:14.5px;color:var(--text-2);}
.nav-link:hover{color:var(--brand);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease),color 180ms var(--ease);
}
.btn:active{transform:scale(.98);}
.btn-primary{background:linear-gradient(135deg,var(--brand),#12B99A);color:#04140F;box-shadow:var(--shadow-brand);}
.btn-primary:hover{background:linear-gradient(135deg,var(--brand-hover),#15CFAB);color:#04140F;transform:translateY(-2px);}
.btn-ghost{border-color:var(--line-strong);background:rgba(255,255,255,.03);color:var(--text-1);}
.btn-ghost:hover{border-color:rgba(31,224,184,.5);color:var(--brand);transform:translateY(-2px);}
.btn-lg{height:48px;padding:0 26px;font-size:15px;}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text-1);transition:transform 200ms var(--ease),opacity 200ms var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.drawer{
  position:fixed;top:72px;left:0;right:0;z-index:65;
  background:rgba(9,15,26,.98);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  padding:18px 0 26px;
  transform:translateY(-14px);opacity:0;visibility:hidden;
  transition:transform 220ms var(--ease),opacity 220ms var(--ease),visibility 220ms var(--ease);
}
.drawer.is-open{transform:none;opacity:1;visibility:visible;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.drawer-nav a{padding:12px 14px;border-radius:12px;color:var(--text-2);font-size:15.5px;background:rgba(255,255,255,.03);}
.drawer-nav a.active{color:var(--brand);background:rgba(31,224,184,.09);}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;border-radius:var(--radius-pill);background:rgba(255,255,255,.045);border:1px solid var(--line);margin-bottom:14px;}
.drawer-search input{width:100%;background:transparent;border:0;outline:none;font-size:15px;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;}
.drawer-actions .btn{width:100%;}

/* ============ 页面横幅 ============ */
.page-banner{
  position:relative;overflow:hidden;
  padding:44px 0 56px;
  background-image:
    linear-gradient(180deg,rgba(7,11,20,.82),rgba(7,11,20,.95)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 72%);
}
.page-banner .container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--text-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(31,224,184,.08);border:1px solid rgba(31,224,184,.28);
  color:var(--brand);font-size:13px;letter-spacing:.02em;margin-bottom:18px;
}
.page-banner h1{
  font-size:clamp(1.9rem,3.6vw,2.6rem);font-weight:800;line-height:1.3;letter-spacing:-.02em;
  margin-bottom:14px;
}
.banner-sub{max-width:720px;color:var(--text-2);font-size:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  padding:6px 14px;border-radius:var(--radius-pill);font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.tag--amber{color:var(--amber);border-color:rgba(255,179,71,.32);background:rgba(255,179,71,.08);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;letter-spacing:-.01em;line-height:1.35;}
.section-head p{max-width:680px;margin-top:8px;color:var(--text-2);font-size:14.5px;}
.section-head .head-link{font-size:14.5px;font-weight:600;color:var(--brand);white-space:nowrap;}
.section-head .head-link i{margin-left:6px;font-size:12px;transition:transform 180ms var(--ease);}
.section-head .head-link:hover i{transform:translateX(3px);}

/* ============ 主区布局 ============ */
.layout-gap{margin-bottom:32px;}
.side-nav{position:sticky;top:96px;}
.side-title{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-3);margin-bottom:12px;}
.side-nav ul{border-left:1px solid var(--line);}
.side-nav li{margin:0;}
.side-nav a{
  display:block;padding:10px 14px;margin-left:-1px;
  font-size:14.5px;color:var(--text-2);
  border-left:2px solid transparent;
  transition:color 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease);
}
.side-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.side-nav a.active{
  color:var(--brand);border-left-color:var(--brand);
  background:rgba(31,224,184,.07);
}
.side-card{
  margin-top:26px;padding:22px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
}
.side-card h3{font-size:15.5px;font-weight:600;margin-bottom:8px;}
.side-card p{font-size:13.5px;color:var(--text-2);line-height:1.8;margin-bottom:16px;}
.side-card .btn{width:100%;}

/* ============ 方案条目卡 ============ */
.entry-list{display:flex;flex-direction:column;gap:24px;}
.entry-card{
  position:relative;display:grid;grid-template-columns:1fr 220px;gap:28px;
  padding:28px 28px 28px 32px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-card);
  transition:transform 180ms var(--ease),border-color 180ms var(--ease);
}
.entry-card::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--brand),rgba(31,224,184,0));
  box-shadow:0 0 14px rgba(31,224,184,.45);
}
.entry-card:hover{transform:translateY(-2px);border-color:rgba(31,224,184,.35);}
.entry-head{display:flex;align-items:baseline;gap:12px;margin-bottom:12px;}
.entry-index{font-size:13px;letter-spacing:.14em;color:var(--brand);}
.entry-head h3{font-size:1.125rem;font-weight:600;line-height:1.5;}
.entry-body p{color:var(--text-2);font-size:15px;line-height:1.9;}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px;}
.pill{
  padding:5px 12px;border-radius:var(--radius-pill);font-size:12.5px;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand);}
.link-arrow i{font-size:12px;transition:transform 180ms var(--ease);}
.link-arrow:hover{color:var(--brand-hover);}
.link-arrow:hover i{transform:translateX(4px);}
.entry-media{
  border-radius:12px;overflow:hidden;background:var(--bg-2);
  border:1px solid var(--line);
}
.entry-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ============ 流程时间线 ============ */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.timeline-item{
  position:relative;padding:26px 22px;border-radius:var(--radius-lg);
  background:var(--bg-2);border:1px solid var(--line);
  transition:transform 180ms var(--ease),border-color 180ms var(--ease);
}
.timeline-item::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),rgba(31,224,184,0));
}
.timeline-item:hover{transform:translateY(-2px);border-color:rgba(31,224,184,.3);}
.timeline-step{font-size:13px;letter-spacing:.14em;color:var(--brand);margin-bottom:10px;}
.timeline-item h3{font-size:16px;font-weight:600;margin-bottom:8px;}
.timeline-item p{font-size:14px;color:var(--text-2);line-height:1.85;}
.timeline-output{margin-top:14px;font-size:13px;color:var(--text-3);}
.timeline-output strong{color:var(--text-2);font-weight:500;}

/* ============ 指标看板 ============ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{
  position:relative;padding:26px 22px;border-radius:var(--radius-lg);
  background:var(--bg-1);border:1px solid var(--line);
}
.section--alt .metric{background:var(--bg-2);}
.metric::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),transparent);
  box-shadow:0 0 12px rgba(31,224,184,.5);
}
.metric-value{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(2rem,3vw,2.6rem);font-weight:700;line-height:1.15;color:var(--text-1);
}
.metric-value .unit{font-size:.45em;font-weight:500;color:var(--text-2);margin-left:6px;}
.metric-label{font-size:14.5px;font-weight:600;margin-top:8px;}
.metric-note{font-size:13px;color:var(--text-3);margin-top:6px;line-height:1.7;}
.trend-up{color:var(--brand);font-size:13px;margin-left:8px;}
.trend-warn{color:var(--amber);font-size:13px;margin-left:8px;}

/* ============ 接入前后对比 ============ */
.compare{
  position:relative;display:grid;grid-template-columns:1fr 1fr;
  border-radius:var(--radius-lg);overflow:hidden;
  background:var(--bg-1);border:1px solid var(--line);
}
.section--alt .compare{background:var(--bg-2);}
.compare::after{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;
  background:linear-gradient(180deg,transparent,var(--brand),transparent);
  box-shadow:0 0 12px rgba(31,224,184,.6);
}
.compare-col{padding:30px 28px;}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:600;margin-bottom:18px;}
.compare-col h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--text-3);}
.compare-col--after h3 .dot{background:var(--brand);box-shadow:0 0 10px rgba(31,224,184,.8);}
.compare-col li{position:relative;padding-left:22px;margin-bottom:12px;font-size:14.5px;color:var(--text-2);line-height:1.85;}
.compare-col li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:2px;
  background:var(--text-3);transform:rotate(45deg);
}
.compare-col--after li::before{background:var(--brand);}
.compare-col--after li{color:var(--text-1);}

.bar-chart{display:grid;gap:20px;margin-top:36px;}
.bar-row{display:grid;grid-template-columns:210px 1fr;align-items:center;gap:18px;}
.bar-label{font-size:14px;color:var(--text-2);}
.bar-track{position:relative;height:12px;border-radius:var(--radius-pill);background:rgba(255,255,255,.07);overflow:hidden;}
.bar-fill{height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,rgba(62,123,255,.85),var(--brand));}
.bar-fill--dim{background:linear-gradient(90deg,rgba(255,255,255,.16),rgba(255,255,255,.3));}
.bar-value{position:absolute;right:12px;top:-3px;font-size:12px;color:var(--text-1);}
.bar-caption{margin-top:16px;font-size:13px;color:var(--text-3);}

/* ============ 交付物 / 适配清单 ============ */
.deliver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.deliver-card{
  padding:24px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--glass-border);
  backdrop-filter:blur(14px);
  transition:transform 180ms var(--ease),border-color 180ms var(--ease);
}
.deliver-card:hover{transform:translateY(-2px);border-color:rgba(62,123,255,.35);}
.deliver-icon{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(62,123,255,.12);border:1px solid rgba(62,123,255,.3);
  color:var(--accent);font-size:15px;margin-bottom:16px;
}
.deliver-card h3{font-size:15.5px;font-weight:600;margin-bottom:8px;}
.deliver-card p{font-size:14px;color:var(--text-2);line-height:1.85;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-list{border-radius:var(--radius-lg);overflow:hidden;background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(14px);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;cursor:pointer;list-style:none;
  font-size:15.5px;font-weight:500;color:var(--text-1);
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(255,255,255,.03);}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-family:var(--font-mono);font-size:20px;line-height:1;
  color:var(--text-3);transition:transform 220ms var(--ease),color 220ms var(--ease);
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--brand);}
.faq-answer{padding:0 26px 24px;font-size:15px;line-height:1.9;color:var(--text-2);}
.faq-answer p{margin-bottom:10px;}
.faq-answer p:last-child{margin-bottom:0;}

/* ============ CTA 与表单 ============ */
.cta-panel{
  padding:48px;border-radius:24px;
  background:linear-gradient(135deg,rgba(31,224,184,.12),rgba(62,123,255,.08) 55%,rgba(255,255,255,.02));
  border:1px solid rgba(31,224,184,.22);
  box-shadow:var(--shadow-card);
}
.cta-copy h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;line-height:1.35;margin-bottom:12px;}
.cta-copy p{color:var(--text-2);font-size:15px;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{position:relative;padding-left:26px;font-size:14.5px;color:var(--text-2);}
.cta-points i{position:absolute;left:0;top:5px;color:var(--brand);font-size:13px;}

.lead-form{
  padding:28px;border-radius:var(--radius-lg);
  background:rgba(7,11,20,.55);border:1px solid var(--glass-border);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.field label{font-size:13.5px;color:var(--text-2);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  color:var(--text-1);font-size:14.5px;outline:none;
  transition:border-color 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease);
}
.field textarea{min-height:110px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(31,224,184,.6);box-shadow:0 0 0 3px rgba(31,224,184,.12);background:rgba(255,255,255,.05);
}
.field select option{background:var(--bg-2);color:var(--text-1);}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}
.form-status{margin-top:14px;font-size:14px;color:var(--brand);min-height:22px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;padding:64px 0 28px;
  background:var(--bg-1);border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,184,.7),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--text-2);line-height:1.9;max-width:340px;}
.footer-social{display:flex;gap:8px;margin-top:18px;}
.footer-social span{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:12px;color:var(--text-2);
}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:13.5px;color:var(--text-2);line-height:1.75;}
.footer-col a{color:var(--text-2);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .timeline{grid-template-columns:repeat(2,1fr);}
  .deliver-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .nav-links,.nav-search,.nav-link,.header-actions .btn-ghost{display:none;}
  .nav-toggle{display:flex;}
  .header-actions{margin-left:auto;gap:10px;}
  .header-actions .btn-primary{height:38px;padding:0 16px;font-size:14px;}
  .section{padding:64px 0;}
  .side-nav{position:static;margin-bottom:28px;}
  .side-nav ul{border-left:0;display:flex;flex-wrap:wrap;gap:8px;}
  .side-nav a{
    margin-left:0;padding:8px 14px;border:1px solid var(--line);border-radius:var(--radius-pill);
    border-left-width:1px;
  }
  .side-nav a.active{border-color:rgba(31,224,184,.5);}
  .side-card{margin-top:18px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .entry-card{grid-template-columns:1fr;gap:20px;}
  .entry-media{order:-1;}
  .cta-panel{padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .compare{grid-template-columns:1fr;}
  .compare::after{left:0;right:0;top:auto;bottom:auto;height:1px;width:auto;top:0;}
  .bar-row{grid-template-columns:1fr;gap:8px;}
  .bar-value{top:-20px;right:0;}
  .timeline{grid-template-columns:1fr;}
  .deliver-grid{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .cta-panel{padding:26px 20px;}
  .lead-form{padding:22px 18px;}
}
@media (max-width:520px){
  .header-inner{gap:12px;}
  .brand-name{font-size:16px;}
  .header-actions .btn-primary{display:none;}
  .page-banner{padding:32px 0 40px;}
  .section{padding:52px 0;}
  .entry-card{padding:22px 18px 24px 22px;}
  .faq-item summary{padding:18px;font-size:14.5px;}
  .faq-answer{padding:0 18px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn-lg{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .entry-card:hover,.timeline-item:hover,.deliver-card:hover,.btn:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --bg-0:#070B14;
  --bg-1:#0B1424;
  --bg-2:#101C31;
  --brand:#1FE0B8;
  --brand-hover:#46F2CD;
  --accent:#3E7BFF;
  --amber:#FFB347;
  --text-1:#EAF2FF;
  --text-2:#9FB0C9;
  --text-3:#6A7C96;
  --line:rgba(255,255,255,.07);
  --line-2:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.045);
  --glass-border:rgba(255,255,255,.08);
  --radius-card:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-card:0 20px 40px -24px rgba(0,0,0,.7);
  --shadow-glow:0 8px 28px -8px rgba(31,224,184,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-hover)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease)
}
.site-header.is-scrolled{background:rgba(7,11,20,.92)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#0FA98B);
  color:#05221C;font-weight:800;font-size:17px;line-height:1;
  box-shadow:0 6px 18px -8px rgba(31,224,184,.8)
}
.brand-name{font-weight:800;font-size:18px;color:var(--text-1);letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:12px}
.nav-links a{
  position:relative;color:var(--text-2);font-size:15px;font-weight:500;padding:6px 0
}
.nav-links a:hover{color:var(--text-1)}
.nav-links a.active{color:var(--text-1)}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(31,224,184,.85)
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 14px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line-2);
  border-radius:var(--radius-pill);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease)
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,184,.13)}
.nav-search i{color:var(--text-3);font-size:13px}
.nav-search input{
  flex:1;background:transparent;border:0;color:var(--text-1);outline:none;font-size:14px;min-width:0
}
.nav-search input::placeholder{color:var(--text-3)}
.link-plain{color:var(--text-2);font-size:15px}
.link-plain:hover{color:var(--text-1)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);color:var(--text-1);cursor:pointer
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#05221C;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:var(--brand-hover);color:#05221C;box-shadow:0 12px 34px -8px rgba(31,224,184,.7)}
.btn-ghost{background:transparent;color:var(--text-1);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-hover);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* 移动抽屉 */
.drawer{
  display:none;position:fixed;inset:72px 0 0 0;z-index:70;
  background:rgba(7,11,20,.97);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  padding:24px;overflow-y:auto
}
.drawer.is-open{display:block}
.drawer .drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px}
.drawer .drawer-nav a{
  color:var(--text-1);font-size:16px;padding:14px 4px;border-bottom:1px solid var(--line)
}
.drawer .drawer-nav a.active{color:var(--brand)}
.drawer .drawer-actions{display:flex;flex-direction:column;gap:12px}
.drawer .drawer-actions .btn{width:100%}
.drawer .drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;margin-bottom:20px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);border-radius:var(--radius-pill)
}
.drawer .drawer-search input{flex:1;background:transparent;border:0;outline:none;color:var(--text-1)}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:78px 0 68px;
  background:linear-gradient(180deg,rgba(7,11,20,.9),rgba(7,11,20,.96)),url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  text-align:center
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 20%,transparent 72%)
}
.hero .container{position:relative;z-index:1}
.crumb{
  display:flex;justify-content:center;align-items:center;gap:10px;
  font-size:13px;color:var(--text-3);margin-bottom:22px
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand-hover)}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:var(--glass);border:1px solid var(--glass-border);
  color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:22px
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.25rem);font-weight:800;letter-spacing:-.02em;line-height:1.2;
  margin-bottom:18px
}
.hero .lead{
  max-width:660px;margin:0 auto 30px;color:var(--text-2);font-size:17px;line-height:1.9
}
.hero-cta{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.trust-row{
  display:flex;justify-content:center;gap:18px;flex-wrap:wrap
}
.trust-item{
  min-width:170px;padding:18px 20px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--glass-border);
  text-align:left
}
.trust-item .num{
  font-family:"JetBrains Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums;
  font-size:24px;font-weight:700;color:var(--brand);display:block;line-height:1.3
}
.trust-item .lbl{font-size:13px;color:var(--text-2)}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;margin-bottom:14px;line-height:1.35
}
.section-head p{color:var(--text-2);font-size:16px}
.kicker{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:.08em;margin-bottom:14px
}

/* 胶囊标签 */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:44px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);
  color:var(--text-2);font-size:14px;font-weight:500;
  transition:all .18s var(--ease)
}
.chip:hover,.chip:focus-visible{color:var(--brand-hover);border-color:rgba(31,224,184,.5);transform:translateY(-2px)}
.chip.is-active{background:rgba(31,224,184,.12);border-color:rgba(31,224,184,.45);color:var(--brand)}

/* 卡片 */
.card{
  height:100%;display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease)
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(31,224,184,.35)}
.card-media{
  position:relative;aspect-ratio:16/9;background:var(--bg-2);overflow:hidden
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.05),rgba(7,11,20,.6))
}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:1.125rem;font-weight:600;line-height:1.5}
.card-body p{color:var(--text-2);font-size:14.5px;line-height:1.8}
.card-foot{margin-top:auto;padding-top:6px}
.card-foot a{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.card-foot a:hover{color:var(--brand-hover);gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(62,123,255,.14);color:#9DC0FF;border:1px solid rgba(62,123,255,.28)
}
.tag.mint{background:rgba(31,224,184,.13);color:var(--brand);border-color:rgba(31,224,184,.3)}
.tag.amber{background:rgba(255,179,71,.13);color:var(--amber);border-color:rgba(255,179,71,.3)}

/* 口径治理 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split .media{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--glass-border);
  background:var(--bg-2);aspect-ratio:4/3
}
.split .media img{width:100%;height:100%;object-fit:cover}
.check-list{display:flex;flex-direction:column;gap:16px;margin:26px 0 28px}
.check-list li{
  display:flex;gap:13px;color:var(--text-2);font-size:15.5px;line-height:1.8
}
.check-list li i{
  flex:0 0 auto;margin-top:6px;color:var(--brand);font-size:14px
}
.check-list li strong{color:var(--text-1);font-weight:600}

/* 时间线 */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.tl-item{
  position:relative;padding:26px 22px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--glass-border);
  transition:transform .18s var(--ease),border-color .18s var(--ease)
}
.tl-item:hover{transform:translateY(-2px);border-color:rgba(31,224,184,.32)}
.tl-item::before{
  content:"";position:absolute;top:0;left:22px;right:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),rgba(31,224,184,0))
}
.tl-num{
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:14px;font-weight:700;
  color:var(--brand);letter-spacing:.08em;display:block;margin-bottom:12px
}
.tl-item h3{font-size:1.02rem;font-weight:600;margin-bottom:8px}
.tl-item p{color:var(--text-2);font-size:14.5px;line-height:1.8}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--glass);border:1px solid var(--glass-border);
  border-radius:var(--radius-card);overflow:hidden;
  transition:border-color .18s var(--ease)
}
.faq-item.is-open{border-color:rgba(31,224,184,.34)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;justify-content:space-between;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  color:var(--text-1);font-size:16px;font-weight:600;text-align:left;line-height:1.6
}
.faq-q:hover{color:var(--brand-hover)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;position:relative;
  transition:transform .22s var(--ease)
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%)
}
.faq-q .plus::before{width:14px;height:2px}
.faq-q .plus::after{width:2px;height:14px}
.faq-item.is-open .plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s var(--ease);
  border-top:1px solid transparent
}
.faq-item.is-open .faq-a{max-height:420px;border-top-color:var(--line)}
.faq-a p{padding:18px 24px 22px;color:var(--text-2);font-size:15px;line-height:1.9}

/* CTA + 表单 */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  padding:52px;border:1px solid var(--glass-border);
  background:linear-gradient(120deg,rgba(31,224,184,.1),rgba(62,123,255,.08)),var(--bg-2)
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,224,184,.22),transparent 68%);pointer-events:none
}
.cta-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start;position:relative;z-index:1}
.cta-grid h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;margin-bottom:16px;line-height:1.4}
.cta-grid .intro{color:var(--text-2);font-size:15.5px;line-height:1.9;margin-bottom:24px}
.cta-points{display:flex;flex-direction:column;gap:13px}
.cta-points li{display:flex;gap:11px;color:var(--text-2);font-size:15px}
.cta-points li i{color:var(--brand);margin-top:6px;font-size:13px}
.form-card{
  background:rgba(7,11,20,.5);border:1px solid var(--glass-border);
  border-radius:var(--radius-card);padding:28px
}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.03);border:1px solid var(--line-2);
  color:var(--text-1);outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease)
}
.form-row textarea{min-height:96px;resize:vertical;line-height:1.7}
.form-row select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,184,.13)
}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--text-3)}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7}
.form-done{
  margin-top:14px;padding:12px 16px;border-radius:var(--radius-sm);
  background:rgba(31,224,184,.12);border:1px solid rgba(31,224,184,.35);
  color:var(--brand);font-size:14px
}
.form-card .btn{width:100%;margin-top:6px}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);background:var(--bg-0);position:relative;padding:64px 0 26px}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,184,.55),transparent)
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;margin-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--text-2);font-size:14.5px;line-height:1.85;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social span{
  width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);
  color:var(--text-2);font-size:13px
}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li,.footer-col a{color:var(--text-2);font-size:14.5px;line-height:1.7}
.footer-col a:hover{color:var(--brand-hover)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--line);
  color:var(--text-3);font-size:13.5px
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--brand-hover)}

/* 响应式 */
@media (max-width:1023px){
  .nav-links,.nav-search,.link-plain,.nav-actions .btn-ghost{display:none}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .split{grid-template-columns:1fr;gap:34px}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:68px 0}
}
@media (max-width:639px){
  .container{padding:0 18px}
  .hero{padding:56px 0 52px}
  .hero .lead{font-size:15.5px}
  .hero-cta .btn{width:100%}
  .trust-row{flex-direction:column;align-items:stretch}
  .trust-item{min-width:0}
  .section{padding:56px 0}
  .timeline{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 22px;border-radius:18px}
  .form-card{padding:22px}
  .faq-q{padding:18px;font-size:15px}
  .faq-a p{padding:16px 18px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .card:hover,.tl-item:hover,.chip:hover{transform:none}
}