/* roulang page: index */
:root{
  --ink:#0B0E0C;
  --ink-2:#141915;
  --lime:#C6F24E;
  --lime-hi:#D4FA66;
  --clay:#E8623C;
  --paper:#F6F3EC;
  --paper-2:#EDE8DC;
  --line:#D8D2C2;
  --txt:#1A1D1A;
  --txt-mute:#6B6F68;
  --ink-txt:#F6F3EC;
  --ink-mute:#9CA39B;
  --r-card:20px;
  --r-panel:24px;
  --r-btn:14px;
  --r-field:12px;
  --r-pic:16px;
  --sh-card:0 1px 2px rgba(11,14,12,.04), 0 8px 24px -12px rgba(11,14,12,.18);
  --sh-card-hi:0 12px 32px -10px rgba(11,14,12,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:160ms;
  --t-mid:240ms;
  --t-slow:320ms;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--txt);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:clamp(20px,4vw,48px);padding-right:clamp(20px,4vw,48px);}
.reading{max-width:760px;}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  padding-top:16px;
  transition:padding-top var(--t-mid) var(--ease);
}
.site-header.shrunk{padding-top:8px;}
.nav-panel{
  background:rgba(246,243,236,.92);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--sh-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease), padding var(--t-mid) var(--ease);
}
.site-header.shrunk .nav-panel{box-shadow:var(--sh-card-hi);}
.nav-inner{
  display:flex;align-items:center;gap:18px;
  padding:12px clamp(14px,2vw,20px);
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--ink);
  display:grid;place-items:center;flex-shrink:0;
  border:1px solid rgba(198,242,78,.35);
  position:relative;overflow:hidden;
}
.brand-mark::after{
  content:"";position:absolute;width:9px;height:9px;border-radius:999px;
  background:var(--lime);right:7px;top:7px;
}
.brand-mark span{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--lime);font-weight:700;font-size:15px;letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:15px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.brand-sub{font-size:11.5px;color:var(--txt-mute);letter-spacing:.08em;}
.nav-cards{display:none;align-items:center;gap:6px;margin-left:8px;flex:1;}
@media (min-width:1024px){.nav-cards{display:flex;}}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  height:44px;padding:0 14px;border-radius:12px;
  font-size:14px;font-weight:600;color:var(--txt);
  background:transparent;border:1px solid transparent;
  transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
  white-space:nowrap;
}
.nav-card i{font-size:13px;color:var(--txt-mute);transition:transform var(--t-fast) var(--ease),color var(--t-fast) var(--ease);}
.nav-card:hover{background:rgba(198,242,78,.12);border-color:rgba(198,242,78,.45);}
.nav-card:hover i{transform:translateX(2px);color:var(--ink);}
.nav-card.active{background:var(--ink);color:var(--ink-txt);border-color:var(--ink);}
.nav-card.active i{color:var(--lime);}
.nav-right{display:none;align-items:center;gap:10px;margin-left:auto;}
@media (min-width:1024px){.nav-right{display:flex;}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:14.5px;
  padding:12px 22px;border:1px solid transparent;cursor:pointer;
  transition:background var(--t-fast) var(--ease),transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-hi);transform:scale(1.02);box-shadow:0 0 0 6px rgba(198,242,78,.18);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:var(--ink-txt);border-color:rgba(246,243,236,.32);}
.btn-ghost:hover{background:rgba(198,242,78,.12);border-color:rgba(198,242,78,.6);}
.btn-dark-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-dark-ghost:hover{background:rgba(198,242,78,.16);border-color:rgba(198,242,78,.7);}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:12px;}
.burger{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;background:var(--ink);border:none;cursor:pointer;
}
@media (min-width:1024px){.burger{display:none;}}
.burger span{display:block;width:18px;height:2px;background:var(--lime);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--lime);border-radius:2px;transition:transform var(--t-mid) var(--ease);
}
.burger span::before{top:-6px;}.burger span::after{top:6px;}
.mobile-drawer{
  overflow:hidden;max-height:0;
  transition:max-height var(--t-slow) var(--ease);
}
.mobile-drawer.open{max-height:520px;}
.mobile-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:10px;
  padding:12px clamp(14px,2vw,20px) 18px;
}
.mobile-item{
  display:flex;flex-direction:column;gap:4px;
  padding:13px 14px;border-radius:14px;
  background:var(--paper-2);border:1px solid var(--line);
  font-size:14px;font-weight:700;
  transition:background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.mobile-item small{font-size:11.5px;font-weight:500;color:var(--txt-mute);letter-spacing:.04em;}
.mobile-item:hover{background:rgba(198,242,78,.16);border-color:rgba(198,242,78,.6);}
.mobile-item.active{background:var(--ink);color:var(--ink-txt);border-color:var(--ink);}
.mobile-item.active small{color:var(--ink-mute);}
.mobile-cta{grid-column:1/-1;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  margin-top:20px;
  border-radius:32px;
}
@media (max-width:640px){.hero{border-radius:24px;margin-top:14px;}}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.36;
  animation:heroZoom 20s var(--ease) infinite alternate;
}
@keyframes heroZoom{from{transform:scale(1);}to{transform:scale(1.08);}}
.hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(11,14,12,.86) 0%,rgba(11,14,12,.72) 45%,rgba(11,14,12,.94) 100%),
    repeating-linear-gradient(0deg,rgba(246,243,236,.05) 0 1px,transparent 1px 64px),
    repeating-linear-gradient(90deg,rgba(246,243,236,.05) 0 1px,transparent 1px 64px);
}
.hero-inner{
  position:relative;
  display:grid;grid-template-columns:1fr;gap:44px;
  padding:clamp(36px,6vw,84px) clamp(24px,4vw,56px) clamp(32px,5vw,64px);
  color:var(--ink-txt);
}
@media (min-width:1024px){.hero-inner{grid-template-columns:7fr 5fr;gap:56px;align-items:center;}}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;
  border:1px solid rgba(198,242,78,.45);
  background:rgba(198,242,78,.1);
  color:var(--lime);
  border-radius:999px;padding:7px 15px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
}
.hero-tag b{width:6px;height:6px;border-radius:999px;background:var(--lime);display:block;}
.hero h1{
  font-size:clamp(34px,5.2vw,64px);
  font-weight:900;line-height:1.12;letter-spacing:0;
  margin:22px 0 0;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-lead{
  margin-top:20px;font-size:clamp(15.5px,1.6vw,18px);
  line-height:1.8;color:#D9DAD1;max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.hero-status{
  margin-top:38px;
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;overflow:hidden;
}
@media (min-width:768px){.hero-status{grid-template-columns:repeat(4,minmax(0,1fr));}}
.hero-status-item{background:rgba(11,14,12,.62);padding:14px 16px;}
.hero-status-item dt{font-size:11.5px;letter-spacing:.08em;color:var(--ink-mute);font-weight:600;}
.hero-status-item dd{margin:4px 0 0;font-size:15px;font-weight:700;color:var(--ink-txt);}
.hero-visual{
  position:relative;border-radius:var(--r-pic);overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  aspect-ratio:16/10;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual-badge{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(11,14,12,.82);
  border:1px solid rgba(198,242,78,.38);
  border-radius:14px;padding:13px 15px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.hero-visual-badge strong{color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.04em;}
.hero-visual-badge span{font-size:12px;color:var(--ink-mute);}

/* ============ 通用板块 ============ */
.section{padding:clamp(56px,8vw,104px) 0;}
.section-tight{padding:clamp(40px,5vw,64px) 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:38px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--txt-mute);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);border-radius:2px;}
.section h2{font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.2;margin-top:12px;letter-spacing:0;}
.section-desc{color:var(--txt-mute);font-size:15.5px;max-width:640px;margin-top:12px;}
.on-dark{background:var(--ink);color:var(--ink-txt);}
.on-dark .section-desc,.on-dark .eyebrow{color:var(--ink-mute);}

/* 速览卡 */
.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
@media (min-width:900px){.quick-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}}
.quick-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-card);
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease);
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hi);border-color:rgba(198,242,78,.8);}
.quick-card i{font-size:17px;color:var(--ink);display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:rgba(198,242,78,.35);}
.quick-card h3{font-size:16px;font-weight:800;margin-top:14px;}
.quick-card p{font-size:14px;color:var(--txt-mute);margin-top:7px;line-height:1.75;}
.quick-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--txt-mute);letter-spacing:.08em;}

/* 时间线 */
.timeline{position:relative;padding-left:26px;}
@media (min-width:768px){.timeline{padding-left:0;}}
.timeline-rail{position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:var(--line);}
@media (min-width:768px){.timeline-rail{left:104px;}}
.tl-item{position:relative;display:grid;grid-template-columns:1fr;gap:8px;padding:0 0 30px;}
@media (min-width:768px){.tl-item{grid-template-columns:104px 1fr;gap:32px;align-items:start;}}
.tl-time{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-variant-numeric:tabular-nums;
  font-size:14px;font-weight:700;color:var(--txt-mute);
  padding-top:2px;
}
.tl-node{
  position:absolute;left:-26px;top:8px;width:15px;height:15px;border-radius:999px;
  background:var(--lime);border:3px solid var(--paper);
  transition:transform var(--t-slow) var(--ease);
  transform:scale(0);
}
@media (min-width:768px){.tl-node{left:-31px;}}
.tl-item.in .tl-node{transform:scale(1);}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px 20px;box-shadow:var(--sh-card);
  transition:border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.tl-card:hover{border-color:rgba(198,242,78,.85);box-shadow:var(--sh-card-hi);}
.tl-card h3{font-size:19px;font-weight:800;}
.tl-card p{font-size:14.5px;color:var(--txt-mute);margin-top:8px;line-height:1.8;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tl-item.current .tl-card{border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.22),var(--sh-card);}
.tl-item.current .tl-node{background:var(--lime);box-shadow:0 0 0 5px rgba(198,242,78,.2);}
.tl-item.done{opacity:.55;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;
  border-radius:999px;padding:5px 12px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  border:1px solid var(--line);color:var(--txt-mute);background:var(--paper-2);
}
.badge-lime{border-color:rgba(198,242,78,.9);background:rgba(198,242,78,.24);color:#33430b;}
.badge-clay{border-color:rgba(232,98,60,.45);background:rgba(232,98,60,.12);color:#9c3a1e;}

/* 亮点非对称卡 */
.feature-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:900px){.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.feature-main{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-card);display:flex;flex-direction:column;}
@media (min-width:900px){.feature-main{grid-row:span 2;}}
.feature-main .thumb{aspect-ratio:16/10;overflow:hidden;}
.feature-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease);}
.feature-main:hover .thumb img{transform:scale(1.03);}
.feature-main:hover{transform:translateY(-4px);border-color:rgba(198,242,78,.85);box-shadow:var(--sh-card-hi);}
.feature-body{padding:24px;display:flex;flex-direction:column;gap:9px;}
.feature-body h3{font-size:22px;font-weight:800;}
.feature-body p{font-size:14.8px;color:var(--txt-mute);line-height:1.8;}
.feature-side{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:620px){.feature-side{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:900px){.feature-side{grid-template-columns:1fr;}}
.feature-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.feature-card .thumb{aspect-ratio:16/10;overflow:hidden;}
.feature-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease);}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(198,242,78,.85);box-shadow:var(--sh-card-hi);}
.feature-card:hover .thumb img{transform:scale(1.03);}
.feature-card .pin{position:absolute;top:14px;right:14px;}

/* 对比 */
.compare-grid{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;}
.compare-grid::-webkit-scrollbar{height:6px;}
.compare-grid::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
@media (min-width:980px){.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible;}}
.plan{
  flex:0 0 82%;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-card);position:relative;
  display:flex;flex-direction:column;
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease);
}
@media (min-width:980px){.plan{flex:1 1 auto;}}
@media (min-width:640px) and (max-width:979px){.plan{flex:0 0 62%;}}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hi);}
.plan.featured{border-color:var(--lime);margin-top:0;}
@media (min-width:980px){.plan.featured{transform:translateY(-12px);}}
.plan.featured::before{content:"";position:absolute;left:24px;right:24px;top:0;height:4px;background:var(--lime);border-radius:0 0 4px 4px;}
.plan-name{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--txt-mute);}
.plan-title{font-size:24px;font-weight:800;margin-top:8px;}
.plan-price{margin-top:16px;padding-bottom:18px;border-bottom:1px solid var(--line);}
.plan-price b{font-size:30px;font-weight:900;letter-spacing:-.02em;}
.plan-price span{font-size:13.5px;color:var(--txt-mute);margin-left:6px;}
.plan-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;flex:1;}
.plan-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;}
.plan-list i{color:#5d7a12;font-size:13px;margin-top:5px;flex-shrink:0;}
.plan .btn{margin-top:22px;width:100%;}
.plan-flag{position:absolute;top:16px;right:16px;}

/* CTA + 表单 */
.cta-band{
  background:var(--ink);color:var(--ink-txt);
  border-radius:32px;position:relative;overflow:hidden;
}
@media (max-width:640px){.cta-band{border-radius:24px;}}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(246,243,236,.045) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(90deg,rgba(246,243,236,.045) 0 1px,transparent 1px 56px);
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1fr;gap:36px;
  padding:clamp(30px,5vw,64px) clamp(22px,4vw,56px);
}
@media (min-width:980px){.cta-inner{grid-template-columns:5fr 6fr;gap:52px;align-items:start;}}
.cta-inner h2{color:var(--ink-txt);}
.cta-inner .section-desc{color:var(--ink-mute);}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:13px;}
.cta-points li{display:flex;gap:11px;font-size:14.8px;color:#D9DAD1;}
.cta-points i{color:var(--lime);font-size:13px;margin-top:6px;}
.form-card{
  background:var(--paper);color:var(--txt);
  border-radius:var(--r-card);padding:26px 24px;
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 20px 48px -24px rgba(0,0,0,.6);
}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr;}.form-grid .full{grid-column:1/-1;}}
.field label{display:block;font-size:13px;font-weight:700;color:var(--txt-mute);letter-spacing:.04em;margin-bottom:7px;}
.field input,.field textarea{
  width:100%;height:48px;border-radius:var(--r-field);
  border:1px solid var(--line);background:#fff;
  padding:0 14px;font-size:15px;
  transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#A6A79E;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);
  box-shadow:0 0 0 2px rgba(198,242,78,.65),0 0 0 6px rgba(198,242,78,.18);
}
.form-note{font-size:12.5px;color:var(--txt-mute);margin-top:14px;line-height:1.7;}
.form-tip{
  margin-top:16px;border-radius:12px;background:rgba(198,242,78,.2);
  border:1px solid rgba(198,242,78,.7);padding:12px 14px;
  font-size:13.5px;color:#38470f;
}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(198,242,78,.85);box-shadow:var(--sh-card-hi);}
.news-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease);}
.news-card:hover .thumb img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:17px;font-weight:800;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--t-fast) var(--ease);}
.news-card:hover .news-title{color:#4d6610;}
.news-excerpt{font-size:14px;color:var(--txt-mute);line-height:1.78;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}
.news-date{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--txt-mute);}
.news-more{font-size:13.5px;font-weight:700;color:#4d6610;display:inline-flex;align-items:center;gap:6px;}
.news-more i{font-size:11px;transition:transform var(--t-fast) var(--ease);}
.news-card:hover .news-more i{transform:translateX(3px);}
.empty-state{
  min-height:240px;
  border:1px dashed var(--line);border-radius:var(--r-card);
  background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:36px 24px;
}
.empty-state i{font-size:22px;color:#8a8f83;}
.empty-state p{color:var(--txt-mute);font-size:15px;}

/* FAQ */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 2px;text-align:left;
  font-size:16.5px;font-weight:700;line-height:1.6;
  transition:color var(--t-fast) var(--ease);
}
.faq-q:hover{color:#4d6610;}
.faq-icon{
  flex-shrink:0;width:30px;height:30px;border-radius:999px;
  border:1px solid var(--line);display:grid;place-items:center;
  transition:transform var(--t-mid) var(--ease),background var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease);
}
.faq-icon::before{content:"+";font-size:16px;line-height:1;font-weight:600;color:var(--txt);}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--t-slow) var(--ease);}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{padding:0 44px 22px 2px;color:var(--txt-mute);font-size:15px;line-height:1.85;}

/* 页脚 */
.site-footer{
  background:var(--ink);color:var(--ink-txt);
  margin-top:clamp(56px,8vw,100px);
  position:relative;overflow:hidden;
  border-radius:32px 32px 0 0;
}
@media (max-width:640px){.site-footer{border-radius:24px 24px 0 0;}}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(246,243,236,.04) 0 1px,transparent 1px 60px),
    repeating-linear-gradient(90deg,rgba(246,243,236,.04) 0 1px,transparent 1px 60px);
}
.footer-inner{position:relative;z-index:1;padding:clamp(44px,6vw,76px) 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:700px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:11px;}
.footer-brand .brand-mark{background:#0F1411;}
.footer-brand .brand-name{color:var(--ink-txt);}
.footer-brand .brand-sub{color:var(--ink-mute);}
.footer-about{margin-top:16px;color:var(--ink-mute);font-size:14px;line-height:1.85;max-width:340px;}
.footer-dot{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;color:var(--lime);font-weight:700;}
.footer-dot b{width:7px;height:7px;border-radius:999px;background:var(--lime);display:block;}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--ink-txt);}
.footer-links{margin-top:16px;display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--ink-mute);transition:color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);display:inline-block;}
.footer-links a:hover{color:var(--lime);transform:translateX(3px);}
.footer-info{font-size:14px;color:var(--ink-mute);line-height:1.9;}
.footer-info strong{color:var(--ink-txt);font-weight:700;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-mute);
}
.footer-bottom .mono{letter-spacing:.04em;}

/* 动效 */
.js .reveal{opacity:0;transform:translateY(16px);}
.js .reveal.in{opacity:1;transform:none;transition:opacity var(--t-slow) var(--ease),transform var(--t-slow) var(--ease);}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .js .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#0B0E0C;
  --ink-2:#141915;
  --lime:#C6F24E;
  --lime-hover:#D4FA66;
  --lime-ink:#8FB32A;
  --clay:#E8623C;
  --paper:#F6F3EC;
  --paper-2:#EDE8DC;
  --line:#D8D2C2;
  --text:#1A1D1A;
  --text-weak:#6B6F68;
  --deep-text:#F6F3EC;
  --deep-weak:#9CA39B;
  --r-card:20px;
  --r-panel:24px;
  --r-btn:14px;
  --r-badge:999px;
  --r-input:12px;
  --r-img:16px;
  --shadow-card:0 1px 2px rgba(11,14,12,.04), 0 8px 24px -12px rgba(11,14,12,.18);
  --shadow-card-hover:0 12px 32px -10px rgba(11,14,12,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur-1:160ms;
  --dur-2:240ms;
  --dur-3:320ms;
  --deep-line:1px solid rgba(255,255,255,.08);
  --mono:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 clamp(20px,4vw,48px);
}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:var(--lime);padding:10px 16px;border-radius:0 0 12px 0;
}
.skip-link:focus{left:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease),
             border-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease),
             box-shadow var(--dur-2) var(--ease);
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:12px;}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-hover);transform:scale(1.02);box-shadow:0 0 0 6px rgba(198,242,78,.18);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:var(--paper);border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(198,242,78,.12);border-color:rgba(198,242,78,.6);color:var(--lime);}
.btn-outline{background:transparent;color:var(--text);border-color:var(--line);}
.btn-outline:hover{background:rgba(198,242,78,.16);border-color:var(--lime-ink);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:14px 0;
  transition:padding var(--dur-3) var(--ease);
}
.site-header.scrolled{padding:8px 0;}
.nav-panel{
  background:rgba(246,243,236,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--shadow-card);
  transition:box-shadow var(--dur-2) var(--ease), background-color var(--dur-2) var(--ease);
}
.site-header.scrolled .nav-panel{box-shadow:0 12px 32px -14px rgba(11,14,12,.3);background:rgba(246,243,236,.96);}
.nav-inner{display:flex;align-items:center;gap:14px;padding:10px 14px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--ink);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark span{color:var(--lime);font-weight:900;font-size:14px;letter-spacing:.06em;font-family:var(--mono);}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:15px;font-weight:800;letter-spacing:.01em;}
.brand-sub{font-size:11.5px;color:var(--text-weak);letter-spacing:.02em;}
.nav-cards{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 14px;border-radius:14px;
  font-size:14px;font-weight:600;color:var(--text);
  white-space:nowrap;
  transition:background-color var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}
.nav-card i{font-size:14px;color:var(--text-weak);transition:transform var(--dur-2) var(--ease), color var(--dur-1) var(--ease);}
.nav-card:hover{background:rgba(198,242,78,.14);}
.nav-card:hover i{transform:translateX(2px);color:var(--lime-ink);}
.nav-card.active{background:var(--ink);color:var(--paper);}
.nav-card.active i{color:var(--lime);}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.burger{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:transparent;
  align-items:center;justify-content:center;cursor:pointer;
}
.burger span{position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:background var(--dur-1) var(--ease);}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform var(--dur-2) var(--ease), top var(--dur-2) var(--ease);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger.is-open span{background:transparent;}
.burger.is-open span::before{top:0;transform:rotate(45deg);}
.burger.is-open span::after{top:0;transform:rotate(-45deg);}
.mobile-drawer{display:none;padding:0 14px 14px;}
.mobile-drawer.open{display:block;animation:fadeDown var(--dur-3) var(--ease);}
@keyframes fadeDown{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:none;}}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding-top:8px;border-top:1px solid var(--line);}
.mobile-item{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 14px;border-radius:14px;background:var(--paper-2);
  font-size:14px;font-weight:700;
  transition:background-color var(--dur-1) var(--ease);
}
.mobile-item small{font-size:11.5px;font-weight:500;color:var(--text-weak);}
.mobile-item:hover{background:rgba(198,242,78,.2);}
.mobile-item.active{background:var(--ink);color:var(--paper);}
.mobile-item.active small{color:var(--deep-weak);}
.mobile-cta{grid-column:1 / -1;background:var(--lime);color:var(--ink);}
.mobile-cta small{color:rgba(11,14,12,.65);}

/* ============ 文章头部（深区） ============ */
.article-hero{
  position:relative;background:var(--ink);color:var(--deep-text);
  padding:clamp(36px,6vw,72px) 0 clamp(40px,6vw,72px);
  border-radius:0 0 32px 32px;overflow:hidden;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.28;filter:saturate(.85);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  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;
  opacity:.5;
}
.article-hero > .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--deep-weak);margin-bottom:26px;
}
.breadcrumb a{transition:color var(--dur-1) var(--ease);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--deep-text);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-badge);
  background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.35);
  color:var(--lime);font-size:12px;font-weight:700;letter-spacing:.08em;
  margin-bottom:20px;
}
.eyebrow i{font-size:11px;}
.article-hero h1{
  font-size:clamp(30px,4.6vw,54px);
  font-weight:900;line-height:1.16;
  letter-spacing:0;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:26px;font-size:13.5px;color:var(--deep-weak);
}
.article-meta .chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-badge);
  background:rgba(255,255,255,.06);border:var(--deep-line);
  color:var(--deep-text);
}
.article-meta .chip i{color:var(--lime);font-size:12px;}
.article-meta .mono{color:var(--deep-text);}

/* ============ 正文区 ============ */
.article-section{padding:clamp(44px,6vw,80px) 0 clamp(52px,7vw,96px);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;align-items:start;}
.article-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:clamp(24px,4vw,52px);
  max-width:820px;
}
.article-body{font-size:17px;line-height:1.9;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;padding-left:18px;
  font-size:clamp(22px,2.4vw,28px);font-weight:800;line-height:1.34;
  margin:52px 0 18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;
  width:4px;height:20px;border-radius:2px;background:var(--lime);
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.4;margin:34px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;margin:26px 0 10px;}
.article-body p{margin:0 0 20px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;}
.article-body li{margin-bottom:10px;}
.article-body ul li::marker{color:var(--lime-ink);}
.article-body ol li::marker{color:var(--lime-ink);font-family:var(--mono);font-weight:700;}
.article-body strong{font-weight:800;}
.article-body a{color:#5A7F12;border-bottom:1px solid rgba(198,242,78,.85);transition:color var(--dur-1) var(--ease);}
.article-body a:hover{color:var(--lime-ink);}
.article-body blockquote{
  margin:26px 0;padding:18px 24px;
  background:var(--paper-2);
  border-left:3px solid var(--lime);
  border-radius:0 14px 14px 0;
  color:#3A4038;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:26px auto;width:100%;object-fit:cover;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--text-weak);text-align:center;margin-top:10px;}
.article-body code{
  font-family:var(--mono);font-size:15px;
  background:var(--paper-2);padding:2px 7px;border-radius:6px;
}
.article-body pre{
  background:var(--ink);color:var(--deep-text);
  border-radius:12px;padding:18px 20px;overflow-x:auto;margin:24px 0;
  font-size:14px;line-height:1.7;
}
.article-body pre code{background:transparent;color:inherit;padding:0;font-size:14px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;}
.article-body th,.article-body td{
  border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;
}
.article-body th{background:var(--paper-2);font-weight:700;}
.article-body hr{border:none;border-top:1px dashed var(--line);margin:34px 0;}

/* 空态 */
.empty-state{
  text-align:center;padding:clamp(40px,7vw,80px) 24px;
  background:var(--paper-2);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state i{font-size:30px;color:var(--lime-ink);margin-bottom:14px;display:block;}
.empty-state h2{font-size:22px;font-weight:800;margin-bottom:10px;}
.empty-state p{color:var(--text-weak);font-size:15px;margin-bottom:24px;}

/* 侧栏 */
.article-aside{display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:22px;
}
.aside-card h3{
  font-size:15px;font-weight:800;letter-spacing:.02em;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.aside-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}
.aside-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.aside-list li{
  display:flex;gap:10px;font-size:14px;color:var(--text-weak);line-height:1.7;
}
.aside-list li .dot{
  flex:0 0 auto;margin-top:9px;width:5px;height:5px;border-radius:50%;background:var(--lime-ink);
}
.aside-links{display:flex;flex-direction:column;gap:8px;}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;background:var(--paper-2);
  font-size:14px;font-weight:600;
  transition:background-color var(--dur-1) var(--ease), transform var(--dur-1) var(--ease);
}
.aside-links a i{font-size:11px;color:var(--text-weak);transition:transform var(--dur-2) var(--ease);}
.aside-links a:hover{background:rgba(198,242,78,.22);transform:translateX(2px);}
.aside-links a:hover i{transform:translateX(2px);color:var(--lime-ink);}

/* ============ 相关推荐 ============ */
.section-head{margin-bottom:34px;max-width:720px;}
.section-head .kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--lime-ink);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.24;}
.section-head p{margin-top:12px;color:var(--text-weak);font-size:15px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(198,242,78,.9);}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--dur-3) var(--ease);}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .badge{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:var(--r-badge);
  background:rgba(11,14,12,.82);color:var(--lime);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.post-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:18px;font-weight:800;line-height:1.45;}
.post-card p{font-size:14px;color:var(--text-weak);line-height:1.75;}
.post-card .meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-weak);font-family:var(--mono);
}
.post-card .meta i{color:var(--lime-ink);font-size:12px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;background:none;border:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--text);
  transition:color var(--dur-1) var(--ease);
}
.faq-q:hover{color:var(--lime-ink);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  font-size:12px;color:var(--text-weak);
  transition:transform var(--dur-3) var(--ease), background-color var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);color:var(--ink);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--dur-3) var(--ease);}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{font-size:15px;color:var(--text-weak);padding-bottom:22px;max-width:760px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--deep-text);
  border-radius:28px;
  padding:clamp(28px,4vw,52px);
  display:grid;grid-template-columns:1.25fr .95fr;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  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;pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.25;}
.cta-band p{margin-top:14px;color:var(--deep-weak);font-size:15px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-note{
  margin-top:16px;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--deep-weak);font-family:var(--mono);
}
.cta-note b{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--deep-text);margin-top:clamp(56px,8vw,110px);position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.footer-inner{position:relative;z-index:2;padding:clamp(44px,6vw,76px) 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.06);border:var(--deep-line);}
.footer-brand .brand-name{color:var(--deep-text);}
.footer-brand .brand-sub{color:var(--deep-weak);}
.footer-about{font-size:14px;color:var(--deep-weak);line-height:1.8;max-width:340px;}
.footer-dot{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  padding:8px 14px;border-radius:var(--r-badge);
  background:rgba(198,242,78,.1);border:1px solid rgba(198,242,78,.28);
  color:var(--lime);font-size:12.5px;font-family:var(--mono);
}
.footer-dot b{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;}
.footer-col h4{font-size:14px;font-weight:800;letter-spacing:.05em;margin-bottom:16px;color:var(--deep-text);}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--deep-weak);transition:color var(--dur-1) var(--ease), transform var(--dur-1) var(--ease);}
.footer-links a:hover{color:var(--lime);transform:translateX(2px);}
.footer-info{font-size:13.5px;color:var(--deep-weak);line-height:1.9;}
.footer-info strong{color:var(--deep-text);font-weight:700;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:var(--deep-line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--deep-weak);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;}
  .article-aside{position:sticky;top:110px;}
}
@media (max-width:1023px){
  .nav-cards{display:none;}
  .burger{display:inline-flex;}
  .cta-band{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:639px){
  .nav-right .btn{display:none;}
  .article-hero{border-radius:0 0 24px 24px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-meta{gap:10px;}
  .article-meta .chip{padding:7px 12px;font-size:12.5px;}
  .mobile-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
    --ink:#0B0E0C;
    --ink-2:#141915;
    --lime:#C6F24E;
    --lime-hover:#D4FA66;
    --clay:#E8623C;
    --paper:#F6F3EC;
    --paper-2:#EDE8DC;
    --line:#D8D2C2;
    --text:#1A1D1A;
    --muted:#6B6F68;
    --d-text:#F6F3EC;
    --d-muted:#9CA39B;

    --r-card:20px;
    --r-panel:24px;
    --r-btn:14px;
    --r-pill:999px;
    --r-input:12px;
    --r-img:16px;

    --sh-1:0 1px 2px rgba(11,14,12,.04), 0 8px 24px -12px rgba(11,14,12,.18);
    --sh-2:0 12px 32px -10px rgba(11,14,12,.26);

    --ease:cubic-bezier(.22,.61,.36,1);
    --dur-1:160ms;
    --dur-2:240ms;
    --dur-3:320ms;

    --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  }

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

  html{ scroll-behavior:smooth }

  body{
    margin:0;
    background:var(--paper);
    color:var(--text);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }

  a{ color:inherit; text-decoration:none; transition:color var(--dur-1) var(--ease) }
  img{ display:block; max-width:100%; height:auto }
  button,input,textarea,select{ font-family:inherit; font-size:inherit; color:inherit }
  ul,ol{ margin:0; padding:0 }

  :focus-visible{
    outline:2px solid var(--lime);
    outline-offset:2px;
    border-radius:6px;
  }

  .mono{ font-family:var(--font-mono); font-variant-numeric:tabular-nums }

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 clamp(20px,4vw,48px);
  }

  /* ---------- 头部与卡片化导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    padding:14px 0 0;
    transition:padding var(--dur-2) var(--ease);
  }
  .site-header.is-compact{ padding-top:8px }

  .nav-panel{
    background:rgba(246,243,236,.92);
    border:1px solid var(--line);
    border-radius:var(--r-panel);
    box-shadow:var(--sh-1);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    transition:box-shadow var(--dur-2) var(--ease), background var(--dur-2) var(--ease);
  }
  .site-header.is-compact .nav-panel{
    background:rgba(246,243,236,.9);
    box-shadow:var(--sh-2);
  }

  .nav-inner{
    display:flex;
    align-items:center;
    gap:14px;
    padding:12px 16px;
    transition:padding var(--dur-2) var(--ease);
  }
  .site-header.is-compact .nav-inner{ padding-top:8px; padding-bottom:8px }

  .brand{ display:flex; align-items:center; gap:12px; flex:0 0 auto }
  .brand-mark{
    width:40px;
    height:40px;
    border-radius:12px;
    background:var(--ink);
    color:var(--lime);
    display:grid;
    place-items:center;
    font-weight:800;
    font-size:13px;
    letter-spacing:.06em;
    font-family:var(--font-mono);
    transition:width var(--dur-2) var(--ease), height var(--dur-2) var(--ease);
  }
  .site-header.is-compact .brand-mark{ width:34px; height:34px }
  .brand-text{ display:flex; flex-direction:column; line-height:1.25 }
  .brand-name{ font-size:15px; font-weight:800; letter-spacing:.01em }
  .brand-sub{ font-size:12px; color:var(--muted) }

  .nav-cards{ display:flex; align-items:center; gap:6px; margin-left:auto }
  .nav-card{
    height:44px;
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:0 14px;
    border-radius:12px;
    font-size:14px;
    font-weight:600;
    color:var(--muted);
    white-space:nowrap;
    transition:background var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
  }
  .nav-card i{ font-size:15px; transition:transform var(--dur-2) var(--ease) }
  .nav-card:hover{ background:rgba(198,242,78,.12); color:var(--text) }
  .nav-card:hover i{ transform:translateX(2px) }
  .nav-card.active{ background:var(--ink); color:var(--paper) }

  .nav-right{ display:flex; align-items:center; gap:10px; margin-left:8px }

  .burger{
    display:none;
    width:44px;
    height:44px;
    margin-left:auto;
    border:1px solid var(--line);
    border-radius:12px;
    background:transparent;
    cursor:pointer;
    place-items:center;
    transition:background var(--dur-2) var(--ease);
  }
  .burger:hover{ background:rgba(198,242,78,.12) }
  .burger span{
    display:block;
    width:18px;
    height:2px;
    background:var(--ink);
    border-radius:2px;
    position:relative;
  }
  .burger span::before,
  .burger span::after{
    content:"";
    position:absolute;
    left:0;
    width:18px;
    height:2px;
    background:var(--ink);
    border-radius:2px;
    transition:transform var(--dur-2) var(--ease);
  }
  .burger span::before{ top:-6px }
  .burger span::after{ top:6px }

  .mobile-drawer{ display:none; padding:0 12px 12px }
  .mobile-drawer.open{ display:block }
  .mobile-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:8px }
  .mobile-item{
    display:flex;
    flex-direction:column;
    gap:2px;
    padding:12px 14px;
    border-radius:12px;
    background:var(--paper-2);
    font-size:14px;
    font-weight:700;
    transition:background var(--dur-2) var(--ease), transform var(--dur-2) var(--ease);
  }
  .mobile-item small{ font-size:12px; font-weight:400; color:var(--muted) }
  .mobile-item:hover{ transform:translateY(-2px) }
  .mobile-item.active{ background:var(--ink); color:var(--paper) }
  .mobile-item.active small{ color:var(--d-muted) }
  .mobile-cta{ grid-column:span 2; background:var(--lime); color:var(--ink) }
  .mobile-cta small{ color:rgba(11,14,12,.7) }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:48px;
    padding:0 22px;
    border:1px solid transparent;
    border-radius:var(--r-btn);
    font-size:15px;
    font-weight:700;
    cursor:pointer;
    white-space:nowrap;
    transition:transform var(--dur-1) var(--ease), background var(--dur-2) var(--ease),
               box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
  }
  .btn-primary{ background:var(--lime); color:var(--ink) }
  .btn-primary:hover{ background:var(--lime-hover); transform:scale(1.02); box-shadow:0 0 0 6px rgba(198,242,78,.18) }
  .btn-primary:active{ transform:scale(.98) }
  .btn-ghost{
    background:transparent;
    border-color:rgba(246,243,236,.32);
    color:var(--d-text);
  }
  .btn-ghost:hover{ background:rgba(198,242,78,.12); border-color:var(--lime) }
  .btn-outline{
    background:transparent;
    border-color:var(--line);
    color:var(--text);
  }
  .btn-outline:hover{ background:rgba(198,242,78,.14); border-color:var(--lime) }
  .btn-sm{ height:40px; padding:0 16px; font-size:14px }

  /* ---------- 徽章 ---------- */
  .badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    height:26px;
    padding:0 12px;
    border-radius:var(--r-pill);
    border:1px solid var(--line);
    background:var(--paper-2);
    color:var(--muted);
    font-size:12px;
    letter-spacing:.08em;
  }
  .badge-lime{ background:rgba(198,242,78,.22); border-color:rgba(198,242,78,.65); color:#41530B }
  .badge-clay{ background:rgba(232,98,60,.12); border-color:rgba(232,98,60,.3); color:#B8431F }
  .badge-dark{ background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.14); color:var(--d-muted) }

  /* ---------- 深色首屏 ---------- */
  .page-hero{
    position:relative;
    overflow:hidden;
    color:var(--d-text);
    padding:clamp(48px,6vw,84px) 0 clamp(56px,7vw,96px);
    background-color:var(--ink);
    background-image:linear-gradient(180deg, rgba(11,14,12,.94) 0%, rgba(11,14,12,.82) 55%, rgba(11,14,12,.9) 100%),
                     url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
  }
  .page-hero::after{
    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:64px 64px;
    mask-image:radial-gradient(120% 80% at 20% 0%, #000 20%, transparent 80%);
    -webkit-mask-image:radial-gradient(120% 80% at 20% 0%, #000 20%, transparent 80%);
  }
  .page-hero .container{ position:relative; z-index:2 }

  .crumbs{ display:flex; align-items:center; gap:8px; font-size:13px; color:var(--d-muted); margin-bottom:22px; flex-wrap:wrap }
  .crumbs a:hover{ color:var(--lime) }
  .crumbs .sep{ opacity:.5 }
  .crumbs .now{ color:var(--d-text) }

  .hero-grid{
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:clamp(28px,4vw,56px);
    align-items:center;
  }

  .hero-title{
    font-size:clamp(34px,5.2vw,64px);
    font-weight:900;
    line-height:1.12;
    letter-spacing:0;
    margin:14px 0 0;
  }
  .hero-title .k{ color:var(--lime) }

  .hero-sub{
    margin:20px 0 0;
    max-width:640px;
    font-size:clamp(15px,1.5vw,18px);
    line-height:1.85;
    color:var(--d-muted);
  }

  .hero-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:30px }

  .status-bar{
    display:flex;
    flex-wrap:wrap;
    margin-top:36px;
    border:1px solid rgba(255,255,255,.08);
    background:rgba(255,255,255,.04);
    border-radius:16px;
    overflow:hidden;
  }
  .status-item{
    flex:1 1 150px;
    min-width:140px;
    padding:14px 18px;
    border-right:1px solid rgba(255,255,255,.08);
    display:flex;
    flex-direction:column;
    gap:2px;
  }
  .status-item:last-child{ border-right:0 }
  .status-item span{ font-size:12px; letter-spacing:.08em; color:var(--d-muted) }
  .status-item b{
    font-family:var(--font-mono);
    font-variant-numeric:tabular-nums;
    font-size:17px;
    font-weight:700;
  }

  .hero-visual{
    position:relative;
    border:1px solid rgba(255,255,255,.1);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:0 24px 60px -30px rgba(0,0,0,.8);
  }
  .hero-visual img{ width:100%; aspect-ratio:16/10; object-fit:cover }
  .hero-visual figcaption{
    position:absolute;
    left:16px;
    bottom:16px;
    font-size:12.5px;
    color:var(--d-text);
    background:rgba(11,14,12,.72);
    border:1px solid rgba(255,255,255,.12);
    border-radius:var(--r-pill);
    padding:6px 14px;
    backdrop-filter:blur(6px);
  }

  /* ---------- 通用板块 ---------- */
  .section{ padding:clamp(64px,8vw,112px) 0 }
  .section-tight{ padding:clamp(48px,6vw,80px) 0 }
  .section-alt{ background:var(--paper-2) }

  .section-head{ max-width:760px; margin-bottom:clamp(28px,4vw,44px) }
  .section-head h2{
    font-size:clamp(26px,3.4vw,42px);
    font-weight:800;
    line-height:1.2;
    margin:0 0 14px;
  }
  .section-head p{ margin:0; color:var(--muted) }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12px;
    letter-spacing:.08em;
    color:var(--muted);
    margin-bottom:12px;
  }
  .eyebrow::before{
    content:"";
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--lime);
    box-shadow:0 0 0 3px rgba(198,242,78,.22);
  }

  /* ---------- 改动分布卡 ---------- */
  .focus-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
  }
  .focus-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:24px;
    box-shadow:var(--sh-1);
    transition:transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
  }
  .focus-card:hover{ transform:translateY(-4px); box-shadow:var(--sh-2); border-color:var(--lime) }
  .focus-card i{
    display:grid;
    place-items:center;
    width:38px;
    height:38px;
    border-radius:12px;
    background:rgba(198,242,78,.24);
    color:#41530B;
    font-size:16px;
    margin-bottom:16px;
  }
  .focus-card h3{ font-size:18px; font-weight:700; margin:0 0 10px }
  .focus-card p{ margin:0; font-size:14.5px; color:var(--muted); line-height:1.8 }

  /* ---------- 左右交错图文 ---------- */
  .alt-flow{ display:flex; flex-direction:column; gap:clamp(36px,5vw,76px) }
  .alt-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:clamp(24px,4vw,56px);
    align-items:center;
  }
  .alt-row.flip .alt-media{ order:2 }
  .alt-media{
    border-radius:var(--r-img);
    border:1px solid var(--line);
    overflow:hidden;
    box-shadow:var(--sh-1);
    background:#fff;
  }
  .alt-media img{
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    transition:transform var(--dur-3) var(--ease);
  }
  .alt-row:hover .alt-media img{ transform:scale(1.03) }
  .alt-body h3{ font-size:clamp(20px,2.2vw,24px); font-weight:700; margin:16px 0 12px }
  .alt-body p{ margin:0 0 16px; color:var(--muted) }

  .dot-list{ list-style:none; display:flex; flex-direction:column; gap:9px }
  .dot-list li{ position:relative; padding-left:20px; font-size:15px }
  .dot-list li::before{
    content:"";
    position:absolute;
    left:0;
    top:.72em;
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--lime);
    box-shadow:0 0 0 3px rgba(198,242,78,.22);
  }

  /* ---------- 玩家反馈 ---------- */
  .quotes{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px }
  .quote{
    background:var(--paper-2);
    border-left:3px solid var(--lime);
    border-radius:14px;
    padding:24px;
  }
  .quote p{ margin:0 0 14px; font-size:15px }
  .quote cite{
    font-style:normal;
    font-family:var(--font-mono);
    font-size:13px;
    color:var(--muted);
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{ max-width:900px; margin:0 auto }
  .faq-item{ border-bottom:1px solid var(--line) }
  .faq-item:first-child{ border-top:1px solid var(--line) }
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:22px 0;
    background:none;
    border:0;
    text-align:left;
    font-size:17px;
    font-weight:700;
    cursor:pointer;
    transition:color var(--dur-2) var(--ease);
  }
  .faq-q:hover{ color:#41530B }
  .faq-icon{
    flex:0 0 auto;
    width:28px;
    height:28px;
    display:grid;
    place-items:center;
    border:1px solid var(--line);
    border-radius:50%;
    font-size:13px;
    background:#fff;
    transition:transform var(--dur-2) var(--ease), background var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
  }
  .faq-item.open .faq-icon{ transform:rotate(45deg); background:var(--lime); border-color:var(--lime) }
  .faq-a{
    display:grid;
    grid-template-rows:0fr;
    transition:grid-template-rows var(--dur-3) var(--ease);
  }
  .faq-item.open .faq-a{ grid-template-rows:1fr }
  .faq-a > div{ overflow:hidden }
  .faq-a p{ margin:0; padding:0 0 24px; color:var(--muted); font-size:15.5px; max-width:760px }

  /* ---------- 相关分类 ---------- */
  .related-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px }
  .rel-card{
    display:flex;
    flex-direction:column;
    gap:8px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:24px;
    box-shadow:var(--sh-1);
    transition:transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
  }
  .rel-card:hover{ transform:translateY(-4px); box-shadow:var(--sh-2); border-color:var(--lime) }
  .rel-card h3{ font-size:18px; font-weight:700; margin:0 }
  .rel-card p{ margin:0; font-size:14.5px; color:var(--muted); line-height:1.8 }
  .rel-link{ display:inline-flex; align-items:center; gap:8px; margin-top:8px; font-size:14px; font-weight:700 }
  .rel-link i{ transition:transform var(--dur-2) var(--ease) }
  .rel-card:hover .rel-link i{ transform:translateX(3px) }

  /* ---------- 深色 CTA 与表单 ---------- */
  .cta-section{
    position:relative;
    overflow:hidden;
    background:var(--ink);
    color:var(--d-text);
    padding:clamp(64px,8vw,104px) 0;
  }
  .cta-section::after{
    content:"";
    position:absolute;
    inset:0;
    pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                     linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size:72px 72px;
    mask-image:radial-gradient(100% 70% at 80% 20%, #000 10%, transparent 75%);
    -webkit-mask-image:radial-gradient(100% 70% at 80% 20%, #000 10%, transparent 75%);
  }
  .cta-section .container{ position:relative; z-index:2 }
  .cta-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:clamp(28px,4vw,56px);
    align-items:start;
  }
  .cta-copy h2{
    font-size:clamp(26px,3.4vw,40px);
    font-weight:800;
    line-height:1.2;
    margin:14px 0 16px;
  }
  .cta-copy p{ color:var(--d-muted); margin:0 0 24px; max-width:520px }
  .cta-points{ list-style:none; display:flex; flex-direction:column; gap:12px }
  .cta-points li{ display:flex; gap:12px; align-items:flex-start; font-size:15px; color:var(--d-text) }
  .cta-points i{ color:var(--lime); margin-top:6px; font-size:13px }

  .form-card{
    background:var(--paper);
    color:var(--text);
    border-radius:var(--r-card);
    padding:clamp(20px,3vw,30px);
    box-shadow:0 24px 60px -30px rgba(0,0,0,.7);
  }
  .form-card h3{ margin:0 0 6px; font-size:20px; font-weight:800 }
  .form-card > p{ margin:0 0 22px; font-size:14px; color:var(--muted) }

  .form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px }
  .field{ display:flex; flex-direction:column; gap:8px; margin-bottom:16px }
  .field label{ font-size:13px; font-weight:600; color:var(--muted) }
  .field input,
  .field textarea{
    width:100%;
    border:1px solid var(--line);
    border-radius:var(--r-input);
    background:#fff;
    padding:0 14px;
    height:48px;
    transition:border-color var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
  }
  .field textarea{ height:auto; min-height:104px; padding:12px 14px; line-height:1.7; resize:vertical }
  .field input::placeholder,
  .field textarea::placeholder{ color:#9AA096 }
  .field input:focus,
  .field textarea:focus{
    outline:none;
    border-color:var(--lime);
    box-shadow:0 0 0 3px rgba(198,242,78,.3);
  }
  .form-foot{ display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; margin-top:6px }
  .form-note{ font-size:12.5px; color:var(--muted); margin:0 }
  .form-tip{ margin:14px 0 0; font-size:13px; color:#41530B; min-height:20px }

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;
    overflow:hidden;
    background:var(--ink);
    color:var(--d-text);
    padding:clamp(56px,7vw,88px) 0 0;
  }
  .site-footer::before{
    content:"";
    position:absolute;
    inset:0;
    pointer-events:none;
    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:80px 80px;
  }
  .site-footer .container{ position:relative; z-index:2 }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.2fr;
    gap:32px;
    padding-bottom:48px;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .footer-brand{ display:flex; align-items:center; gap:12px; margin-bottom:16px }
  .site-footer .brand-mark{
    background:rgba(198,242,78,.14);
    border:1px solid rgba(198,242,78,.36);
    color:var(--lime);
  }
  .footer-about{ margin:0; max-width:340px; font-size:14.5px; color:var(--d-muted) }
  .footer-dot{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-top:16px;
    font-size:13px;
    color:var(--d-muted);
  }
  .footer-dot b{
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--lime);
    box-shadow:0 0 0 4px rgba(198,242,78,.18);
  }
  .footer-col h4{ margin:0 0 16px; font-size:14px; letter-spacing:.06em; font-weight:700 }
  .footer-links{ display:flex; flex-direction:column; gap:10px }
  .footer-links a{ font-size:14.5px; color:var(--d-muted) }
  .footer-links a:hover{ color:var(--lime) }
  .footer-info{ margin:0; font-size:14px; line-height:1.9; color:var(--d-muted) }
  .footer-info strong{ color:var(--d-text); font-weight:600 }
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    padding:22px 0;
    font-size:13px;
    color:var(--d-muted);
  }

  /* ---------- 入场动效 ---------- */
  .reveal{
    opacity:0;
    transform:translateY(16px);
    transition:opacity var(--dur-3) var(--ease), transform var(--dur-3) var(--ease);
  }
  .reveal.in{ opacity:1; transform:none }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .nav-cards{ display:none }
    .nav-right{ display:none }
    .burger{ display:grid }
    .hero-grid{ grid-template-columns:1fr }
    .hero-visual{ order:-1 }
    .focus-grid{ grid-template-columns:repeat(2,1fr) }
    .alt-row{ grid-template-columns:1fr }
    .alt-row.flip .alt-media{ order:0 }
    .quotes{ grid-template-columns:1fr }
    .related-grid{ grid-template-columns:1fr 1fr }
    .cta-grid{ grid-template-columns:1fr }
    .footer-grid{ grid-template-columns:1fr 1fr }
  }

  @media (max-width:639px){
    body{ font-size:15.5px }
    .brand-sub{ display:none }
    .section{ padding:64px 0 }
    .section-tight{ padding:48px 0 }
    .focus-grid{ grid-template-columns:1fr }
    .related-grid{ grid-template-columns:1fr }
    .form-row{ grid-template-columns:1fr }
    .footer-grid{ grid-template-columns:1fr; gap:28px }
    .status-item{ flex:1 1 100%; border-right:0; border-bottom:1px solid rgba(255,255,255,.08) }
    .status-item:last-child{ border-bottom:0 }
    .hero-actions .btn{ width:100% }
  }

  @media (min-width:1024px){
    .mobile-drawer{ display:none !important }
  }

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

/* roulang page: category2 */
:root{
  --ink:#0B0E0C;
  --ink-2:#141915;
  --lime:#C6F24E;
  --lime-hover:#D4FA66;
  --clay:#E8623C;
  --paper:#F6F3EC;
  --paper-2:#EDE8DC;
  --line:#D8D2C2;
  --text:#1A1D1A;
  --muted:#6B6F68;
  --text-inv:#F6F3EC;
  --muted-inv:#9CA39B;
  --r-card:20px;
  --r-panel:24px;
  --r-btn:14px;
  --r-input:12px;
  --r-img:16px;
  --sh-card:0 1px 2px rgba(11,14,12,.04), 0 8px 24px -12px rgba(11,14,12,.18);
  --sh-hover:0 12px 32px -10px rgba(11,14,12,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
  --d1:160ms; --d2:240ms; --d3:320ms;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::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:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.22}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 clamp(20px,4vw,48px);
}
.section{padding:clamp(64px,9vw,112px) 0}
.section-alt{background:var(--paper-2)}
.section-dark{background:var(--ink);color:var(--text-inv)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--muted);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);border-radius:2px}
.section-dark .eyebrow{color:var(--muted-inv)}

.h1{font-size:clamp(34px,5.2vw,64px);font-weight:900;line-height:1.12;letter-spacing:0}
.h2{font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.2}
.h3{font-size:20px;font-weight:700;line-height:1.35}
.lead{font-size:17px;line-height:1.85;color:var(--muted)}
.section-dark .lead{color:var(--muted-inv)}
.section-head{max-width:760px;margin-bottom:clamp(32px,4vw,52px)}
.section-head .h2{margin-bottom:14px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background var(--d2) var(--ease),color var(--d2) var(--ease),
             transform var(--d1) var(--ease),box-shadow var(--d2) var(--ease),
             border-color var(--d2) var(--ease);
}
.btn-sm{height:42px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 10px 26px -14px rgba(198,242,78,.95)}
.btn-primary:hover{background:var(--lime-hover);transform:scale(1.02);box-shadow:0 14px 30px -12px rgba(198,242,78,.9)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:rgba(246,243,236,.26);color:var(--text-inv)}
.btn-ghost:hover{background:rgba(198,242,78,.12);border-color:var(--lime);color:var(--lime)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--text)}
.btn-outline:hover{background:rgba(198,242,78,.16);border-color:var(--lime)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--lime);outline-offset:2px;
}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;font-size:12px;letter-spacing:.08em;font-weight:600;
  padding:5px 12px;border:1px solid var(--line);background:var(--paper-2);color:var(--muted);
}
.badge-dark{border-color:rgba(246,243,236,.16);background:rgba(198,242,78,.08);color:var(--lime)}
.badge-clay{border-color:rgba(232,98,60,.32);background:rgba(232,98,60,.12);color:var(--clay)}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;color:var(--ink);
  background:rgba(198,242,78,.32);border-radius:999px;padding:4px 11px;
}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;padding:14px 0;transition:padding var(--d2) var(--ease)}
.site-header.is-scrolled{padding:8px 0}
.nav-panel{
  background:rgba(246,243,236,.9);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:var(--sh-card);
  transition:box-shadow var(--d2) var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-hover)}
.nav-inner{display:flex;align-items:center;gap:18px;padding:10px 16px;transition:padding var(--d2) var(--ease)}
.site-header.is-scrolled .nav-inner{padding:6px 16px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:44px;height:44px;border-radius:13px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-family:var(--font-mono);font-weight:800;font-size:15px;
  letter-spacing:.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:15px;font-weight:800;color:var(--text);white-space:nowrap}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.04em}
.nav-cards{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-card{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 13px;
  border-radius:13px;font-size:14px;font-weight:600;color:var(--text);
  transition:background var(--d2) var(--ease),color var(--d2) var(--ease);
  white-space:nowrap;
}
.nav-card i{font-size:15px;color:var(--muted);transition:transform var(--d2) var(--ease),color var(--d2) var(--ease)}
.nav-card:hover{background:rgba(198,242,78,.16)}
.nav-card:hover i{transform:translateX(2px);color:var(--ink)}
.nav-card.active{background:var(--ink);color:var(--text-inv)}
.nav-card.active i{color:var(--lime)}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.burger{
  display:none;width:44px;height:44px;border-radius:13px;border:1px solid var(--line);
  background:transparent;cursor:pointer;position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transform:translateX(-50%);transition:transform var(--d2) var(--ease),opacity var(--d1) var(--ease);
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";top:-6px;left:0;transform:none}
.burger span::after{content:"";top:6px;left:0;transform:none}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-drawer{display:none;padding:0 16px 16px}
.mobile-drawer.open{display:block}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-top:12px;border-top:1px solid var(--line)}
.mobile-item{
  display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-radius:14px;
  background:#fff;border:1px solid var(--line);font-size:14px;font-weight:700;
  transition:border-color var(--d2) var(--ease),background var(--d2) var(--ease);
}
.mobile-item small{font-size:11.5px;font-weight:500;color:var(--muted)}
.mobile-item.active{border-color:var(--lime);background:rgba(198,242,78,.14)}
.mobile-item.mobile-cta{grid-column:1 / -1;background:var(--ink);border-color:var(--ink);color:var(--text-inv)}
.mobile-item.mobile-cta small{color:var(--muted-inv)}

/* ---------- 分类头条 ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:var(--text-inv);padding-bottom:clamp(72px,9vw,120px)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.3;animation:slowZoom 20s var(--ease) infinite alternate;
}
@keyframes slowZoom{from{transform:scale(1)}to{transform:scale(1.08)}}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(246,243,236,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(246,243,236,.055) 1px,transparent 1px);
  background-size:48px 48px;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,14,12,.78) 0%,rgba(11,14,12,.9) 60%,rgba(11,14,12,.97) 100%);
}
.hero-inner{position:relative;z-index:2;padding:clamp(40px,6vw,72px) 0 0}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted-inv);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{transition:color var(--d2) var(--ease)}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.5}
.breadcrumb [aria-current]{color:var(--text-inv)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,56px);align-items:center}
.hero h1{font-size:clamp(34px,5.2vw,60px);font-weight:900;line-height:1.12;margin:16px 0 18px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{font-size:clamp(16px,1.6vw,18px);color:var(--muted-inv);max-width:560px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-status{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.status-item{
  display:flex;align-items:baseline;gap:9px;
  background:rgba(246,243,236,.06);border:1px solid rgba(246,243,236,.14);
  border-radius:14px;padding:10px 14px;
}
.status-item b{font-family:var(--font-mono);font-variant-numeric:tabular-nums;color:var(--lime);font-size:15px}
.status-item span{font-size:12.5px;color:var(--muted-inv)}
.hero-visual{position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid rgba(246,243,236,.12);box-shadow:0 24px 60px -28px rgba(0,0,0,.8)}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-visual .visual-bar{
  position:absolute;left:14px;right:14px;bottom:14px;
  display:flex;justify-content:space-between;gap:10px;align-items:center;
  background:rgba(11,14,12,.72);border:1px solid rgba(246,243,236,.14);
  border-radius:14px;padding:9px 13px;font-size:12.5px;color:var(--muted-inv);
  backdrop-filter:blur(6px);
}
.hero-visual .visual-bar b{font-family:var(--font-mono);color:var(--lime)}

/* ---------- 速览条 ---------- */
.quick-strip{position:relative;z-index:5;margin-top:-40px}
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.quick-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--sh-card);padding:20px;
  transition:transform var(--d2) var(--ease),box-shadow var(--d2) var(--ease),border-color var(--d2) var(--ease);
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--lime)}
.quick-card i{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:rgba(198,242,78,.28);color:var(--ink);font-size:15px;margin-bottom:12px;
}
.quick-card h3{font-size:16px;font-weight:800;margin-bottom:6px}
.quick-card p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- 步骤列表 ---------- */
.step-list{display:grid;gap:18px;max-width:920px;margin:0 auto}
.step-item{display:flex;gap:20px;align-items:flex-start}
.step-num{
  flex:0 0 44px;width:44px;height:44px;border-radius:14px;
  background:var(--ink);color:var(--lime);
  display:grid;place-items:center;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:16px;font-weight:800;
}
.step-card{
  flex:1 1 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:22px 24px;
  transition:transform var(--d2) var(--ease),box-shadow var(--d2) var(--ease),border-color var(--d2) var(--ease);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--lime)}
.step-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.step-top h3{font-size:19px;font-weight:800}
.step-time{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:13px;color:var(--muted)}
.step-card p{font-size:15.5px;color:var(--muted);line-height:1.8;margin-bottom:12px}
.step-tags{display:flex;gap:8px;flex-wrap:wrap}
.step-card.is-now{border-color:var(--lime);box-shadow:0 0 0 2px rgba(198,242,78,.4),var(--sh-card)}

/* ---------- 阶段 ---------- */
.phase-list{display:grid;gap:0;max-width:900px;margin:0 auto}
.phase{
  display:grid;grid-template-columns:170px 1fr;gap:22px;
  padding:22px 0 22px 22px;border-left:1px solid var(--line);
  position:relative;
}
.phase::before{
  content:"";position:absolute;left:-5px;top:32px;width:9px;height:9px;
  border-radius:999px;background:var(--lime);
}
.phase-time{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:17px;font-weight:700;color:var(--ink)}
.phase-time small{display:block;font-family:var(--font-cn);font-size:12.5px;color:var(--muted);font-weight:500;letter-spacing:.04em}
.phase-body h3{font-size:18px;font-weight:800;margin-bottom:6px}
.phase-body p{font-size:15.5px;color:var(--muted);line-height:1.8}

/* ---------- 图文 / 卡片组 ---------- */
.media-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:24px;align-items:start}
.media-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:transform var(--d2) var(--ease),box-shadow var(--d2) var(--ease),border-color var(--d2) var(--ease);
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--lime)}
.media-card:hover img{transform:scale(1.03)}
.media-card .thumb{overflow:hidden;aspect-ratio:16/10}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--d2) var(--ease)}
.media-body{padding:22px 24px}
.media-body h3{font-size:20px;font-weight:800;margin-bottom:8px}
.media-body p{font-size:15px;color:var(--muted);line-height:1.8}
.media-side{display:grid;gap:18px}
.mini-card{
  display:grid;grid-template-columns:112px 1fr;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh-card);
  padding:14px;transition:transform var(--d2) var(--ease),box-shadow var(--d2) var(--ease),border-color var(--d2) var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--lime)}
.mini-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px}
.mini-card h3{font-size:16px;font-weight:800;margin-bottom:4px}
.mini-card p{font-size:13.5px;color:var(--muted);line-height:1.7}
.media-body .badge{margin-bottom:12px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:center}
.split img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-panel);border:1px solid var(--line);box-shadow:var(--sh-card)}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--muted);line-height:1.8}
.check-list i{color:var(--ink);background:rgba(198,242,78,.4);width:22px;height:22px;flex:0 0 22px;border-radius:999px;display:grid;place-items:center;font-size:11px;margin-top:6px}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:18px;
  transition:transform var(--d2) var(--ease),box-shadow var(--d2) var(--ease),border-color var(--d2) var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--lime)}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px}
.rel-card h3{font-size:17px;font-weight:800}
.rel-card p{font-size:14px;color:var(--muted);line-height:1.75}
.rel-link{font-size:13.5px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.rel-link i{transition:transform var(--d2) var(--ease)}
.rel-card:hover .rel-link i{transform:translateX(3px)}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;padding:22px 0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  text-align:left;font-size:17px;font-weight:700;color:var(--text);
}
.faq-icon{
  width:28px;height:28px;flex:0 0 28px;border-radius:9px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink);font-size:12px;
  transition:transform var(--d3) var(--ease),background var(--d2) var(--ease),border-color var(--d2) var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--d3) var(--ease)}
.faq-a > div{overflow:hidden}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a p{margin:0 0 22px;font-size:15.5px;color:var(--muted);line-height:1.85;max-width:760px}

/* ---------- CTA + 表单 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:var(--text-inv);padding:clamp(56px,8vw,100px) 0}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(246,243,236,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(246,243,236,.05) 1px,transparent 1px);
  background-size:52px 52px;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
.cta-grid .h2{margin-bottom:16px}
.cta-points{display:grid;gap:12px;margin-top:24px}
.cta-points li{display:flex;gap:12px;font-size:15px;color:var(--muted-inv)}
.cta-points i{color:var(--lime);margin-top:7px}
.form-card{
  background:var(--paper);color:var(--text);border-radius:var(--r-panel);
  padding:clamp(22px,3vw,30px);box-shadow:0 30px 70px -30px rgba(0,0,0,.75);
}
.form-card h3{font-size:19px;font-weight:800;margin-bottom:6px}
.form-card .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:var(--muted)}
.field input,.field textarea{
  height:48px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#fff;font-size:15px;
  transition:border-color var(--d2) var(--ease),box-shadow var(--d2) var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.42);
}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--text-inv);position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(246,243,236,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(246,243,236,.045) 1px,transparent 1px);
  background-size:56px 56px;
}
.footer-inner{position:relative;z-index:2;padding:clamp(52px,7vw,80px) 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-name{color:var(--text-inv)}
.footer-brand .brand-sub{color:var(--muted-inv)}
.footer-about{font-size:14px;color:var(--muted-inv);line-height:1.8;max-width:340px}
.footer-dot{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;color:var(--muted-inv)}
.footer-dot b{width:8px;height:8px;border-radius:999px;background:var(--lime);display:inline-block}
.footer-col h4{font-size:14px;font-weight:800;letter-spacing:.04em;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--muted-inv);transition:color var(--d2) var(--ease),transform var(--d2) var(--ease);display:inline-block}
.footer-links a:hover{color:var(--lime);transform:translateX(3px)}
.footer-info{font-size:14px;color:var(--muted-inv);line-height:1.85}
.footer-info strong{color:var(--text-inv);font-weight:700}
.footer-bottom{
  position:relative;z-index:2;margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(246,243,236,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--muted-inv);
}
.footer-bottom .mono{color:var(--muted-inv)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity var(--d3) var(--ease),transform var(--d3) var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-cards,.nav-right{display:none}
  .burger{display:block;margin-left:auto}
  .brand{margin-right:auto}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .media-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:64px 0}
  .quick-strip{margin-top:-28px}
  .phase{grid-template-columns:1fr;gap:8px;padding-left:18px}
  .phase::before{top:28px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .quick-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .step-item{gap:14px}
  .step-num{flex-basis:38px;width:38px;height:38px;font-size:15px;border-radius:12px}
  .step-card{padding:18px}
  .hero-actions .btn{width:100%}
  .mobile-grid{grid-template-columns:1fr}
}

/* roulang page: category3 */
:root{
    --ink:#0B0E0C;
    --ink-2:#141915;
    --lime:#C6F24E;
    --lime-hover:#D4FA66;
    --clay:#E8623C;
    --paper:#F6F3EC;
    --paper-2:#EDE8DC;
    --line:#D8D2C2;
    --text:#1A1D1A;
    --muted:#6B6F68;
    --text-d:#F6F3EC;
    --muted-d:#9CA39B;
    --line-d:rgba(255,255,255,.08);
    --r-card:20px;
    --r-nav:24px;
    --r-btn:14px;
    --r-img:16px;
    --r-input:12px;
    --shadow-card:0 1px 2px rgba(11,14,12,.04), 0 8px 24px -12px rgba(11,14,12,.18);
    --shadow-hover:0 12px 32px -10px rgba(11,14,12,.26);
    --ease:cubic-bezier(.22,.61,.36,1);
    --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  }

  *,*::before,*::after{box-sizing:border-box}
  .site-body{
    margin:0;
    font-family:var(--font-sans);
    font-size:17px;
    line-height:1.85;
    color:var(--text);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  .site-body a{color:inherit;text-decoration:none}
  .site-body img{display:block;max-width:100%}
  .site-body button{font-family:inherit}
  .site-body h1,.site-body h2,.site-body h3,.site-body h4{margin:0;font-weight:800}
  .site-body p{margin:0}
  .mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
  .site-body :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:clamp(20px,4vw,48px);padding-right:clamp(20px,4vw,48px)}

  /* ============ 顶部导航面板 ============ */
  .site-header{position:sticky;top:0;z-index:80;padding:14px 0;transition:padding .24s var(--ease)}
  .site-header.is-scrolled{padding:8px 0}
  .nav-panel{
    background:rgba(246,243,236,.9);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border:1px solid var(--line);
    border-radius:var(--r-nav);
    box-shadow:var(--shadow-card);
    transition:box-shadow .24s var(--ease),background .24s var(--ease);
  }
  .site-header.is-scrolled .nav-panel{box-shadow:var(--shadow-hover);background:rgba(246,243,236,.94)}
  .nav-inner{display:flex;align-items:center;gap:16px;padding:12px 16px}
  .brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
  .brand-mark{
    width:42px;height:42px;border-radius:12px;background:var(--ink);color:var(--lime);
    display:grid;place-items:center;font-weight:800;font-size:13px;letter-spacing:.08em;flex:0 0 auto;
    font-family:var(--font-mono);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25}
  .brand-name{font-size:15px;font-weight:800;color:var(--ink);white-space:nowrap}
  .brand-sub{font-size:11px;letter-spacing:.08em;color:var(--muted)}
  .nav-cards{display:flex;align-items:center;gap:6px;margin-left:auto}
  .nav-card{
    display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 14px;border-radius:14px;
    font-size:14px;font-weight:600;color:var(--text);white-space:nowrap;
    transition:background .24s var(--ease),color .24s var(--ease),transform .16s var(--ease);
  }
  .nav-card i{color:var(--muted);transition:transform .24s var(--ease),color .24s var(--ease)}
  .nav-card:hover{background:rgba(198,242,78,.14)}
  .nav-card:hover i{transform:translateX(2px);color:var(--ink)}
  .nav-card.active{background:var(--ink);color:var(--paper)}
  .nav-card.active i{color:var(--lime)}
  .nav-right{flex:0 0 auto;margin-left:6px}
  .burger{
    display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
    background:transparent;position:relative;cursor:pointer;margin-left:auto;flex:0 0 auto;
  }
  .burger span,.burger span::before,.burger span::after{
    content:"";position:absolute;left:50%;width:18px;height:2px;background:var(--ink);
    border-radius:2px;transform:translateX(-50%);transition:transform .24s var(--ease),background .24s var(--ease),top .24s var(--ease);
  }
  .burger span{top:50%;margin-top:-1px}
  .burger span::before{top:-6px}
  .burger span::after{top:6px}
  .burger.is-open span{background:transparent}
  .burger.is-open span::before{top:0;transform:translateX(-50%) rotate(45deg)}
  .burger.is-open span::after{top:0;transform:translateX(-50%) rotate(-45deg)}
  .mobile-drawer{display:none;max-height:0;overflow:hidden;padding:0 16px;transition:max-height .32s var(--ease),padding .24s var(--ease)}
  .nav-panel.drawer-open .mobile-drawer{display:block;max-height:600px;padding:6px 16px 16px}
  .mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-top:10px;border-top:1px solid var(--line)}
  .mobile-item{
    display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-radius:14px;
    background:#fff;border:1px solid var(--line);font-size:14px;font-weight:700;color:var(--ink);
  }
  .mobile-item small{font-size:12px;font-weight:400;color:var(--muted)}
  .mobile-item.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
  .mobile-item.active small{color:var(--muted-d)}
  .mobile-cta{background:rgba(198,242,78,.22);border-color:rgba(198,242,78,.6)}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;
    border-radius:var(--r-btn);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
    transition:transform .16s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
  }
  .btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 8px 20px -12px rgba(198,242,78,.9)}
  .btn-primary:hover{background:var(--lime-hover);transform:translateY(-1px) scale(1.02);box-shadow:0 0 0 6px rgba(198,242,78,.18)}
  .btn-primary:active{transform:scale(.98)}
  .btn-ghost{border-color:rgba(246,243,236,.3);color:var(--text-d);background:transparent}
  .btn-ghost:hover{background:rgba(198,242,78,.12);border-color:var(--lime);color:var(--lime-hover)}
  .btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
  .btn-outline:hover{background:rgba(198,242,78,.16);border-color:var(--lime)}
  .btn-dark{background:var(--ink);color:var(--paper)}
  .btn-dark:hover{background:var(--ink-2);transform:translateY(-1px)}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:12px}
  .btn-block{width:100%}

  /* ============ 徽章 / 面包屑 ============ */
  .badge{
    display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
    font-size:12px;font-weight:700;letter-spacing:.08em;background:rgba(198,242,78,.14);
    color:#8FAE2B;border:1px solid rgba(198,242,78,.45);
  }
  .badge-solid{background:var(--lime);color:var(--ink);border-color:var(--lime)}
  .badge-clay{background:rgba(232,98,60,.12);color:var(--clay);border-color:rgba(232,98,60,.35)}
  .badge-soft{background:var(--paper-2);color:var(--muted);border-color:var(--line)}
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted-d);margin-bottom:20px}
  .crumbs a:hover{color:var(--lime)}
  .crumbs .sep{opacity:.5}
  .crumbs .current{color:var(--text-d);font-weight:600}

  /* ============ 首屏 ============ */
  .hero{position:relative;background:var(--ink);color:var(--text-d);overflow:hidden}
  .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34;animation:heroZoom 20s var(--ease) infinite alternate}
  @keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.08)}}
  .hero-veil{
    position:absolute;inset:0;
    background:
      linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px) 0 0/56px 56px,
      linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px) 0 0/56px 56px,
      linear-gradient(160deg,rgba(11,14,12,.78),rgba(11,14,12,.94));
  }
  .hero-inner{position:relative;z-index:2;padding:clamp(56px,8vw,110px) 0 clamp(48px,6vw,80px)}
  .hero-title{font-size:clamp(34px,5.2vw,64px);font-weight:900;line-height:1.12;letter-spacing:0;margin:18px 0 0;max-width:16em}
  .hero-title em{font-style:normal;color:var(--lime)}
  .hero-sub{color:var(--muted-d);font-size:clamp(16px,1.4vw,18px);line-height:1.8;max-width:640px;margin:18px 0 0}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
  .hero-status{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
  .status-item{
    background:rgba(255,255,255,.05);border:1px solid var(--line-d);border-radius:14px;
    padding:14px 20px;min-width:158px;
  }
  .status-item b{display:block;font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:20px;font-weight:800;color:var(--lime);letter-spacing:-.01em}
  .status-item small{display:block;margin-top:2px;font-size:12px;letter-spacing:.08em;color:var(--muted-d)}

  /* ============ 板块 ============ */
  .sec{padding:clamp(64px,8vw,110px) 0}
  .sec-tight{padding:clamp(48px,6vw,80px) 0}
  .sec-dark{background:var(--ink);color:var(--text-d);position:relative;overflow:hidden}
  .sec-dark .sec-lead{color:var(--muted-d)}
  .sec-dark .sec-title{color:var(--text-d)}
  .sec-alt{background:var(--paper-2)}
  .sec-head{max-width:740px;margin-bottom:clamp(32px,4vw,52px)}
  .sec-title{font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.2;margin:14px 0 14px}
  .sec-lead{color:var(--muted);font-size:16px;line-height:1.85;max-width:700px}
  .eyebrow{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted)}

  /* ============ 筛选标签条 ============ */
  .filter-wrap{position:relative}
  .filter-bar{
    display:flex;gap:10px;overflow-x:auto;padding:4px 2px 16px;margin-bottom:24px;
    scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  }
  .filter-bar::-webkit-scrollbar{height:6px}
  .filter-bar::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
  .filter-bar::-webkit-scrollbar-track{background:transparent}
  .chip{
    flex:0 0 auto;height:40px;padding:0 18px;border-radius:999px;border:1px solid var(--line);
    background:#fff;color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;
    scroll-snap-align:start;transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .16s var(--ease);
  }
  .chip:hover{border-color:var(--lime);color:var(--ink)}
  .chip.is-active{background:var(--ink);border-color:var(--ink);color:var(--paper)}
  .filter-hint{font-size:13px;color:var(--muted);margin-bottom:22px}

  /* ============ 图册网格 ============ */
  .gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .g-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
    box-shadow:var(--shadow-card);display:flex;flex-direction:column;
    transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .g-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--lime)}
  .g-card.is-hidden{display:none}
  .g-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
  .g-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
  .g-card:hover .g-media img{transform:scale(1.04)}
  .g-tag{
    position:absolute;left:14px;top:14px;height:26px;padding:0 11px;border-radius:999px;
    display:inline-flex;align-items:center;font-size:12px;font-weight:700;letter-spacing:.06em;
    background:rgba(11,14,12,.78);color:var(--paper);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  }
  .g-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
  .g-body h3{font-size:20px;font-weight:700;line-height:1.35}
  .g-body p{color:var(--muted);font-size:15px;line-height:1.8}
  .g-list{list-style:none;margin:2px 0 0;padding:0;display:grid;gap:8px}
  .g-list li{position:relative;padding-left:18px;font-size:14px;line-height:1.7;color:var(--muted)}
  .g-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--lime)}
  .g-link{margin-top:auto;padding-top:6px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--ink)}
  .g-link i{font-size:12px;transition:transform .24s var(--ease);color:var(--clay)}
  .g-link:hover i{transform:translateX(4px)}
  .g-link:hover{color:var(--clay)}
  .empty-note{
    margin-top:24px;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
    background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);color:var(--muted);font-size:15px;text-align:center;padding:32px;
  }
  .empty-note strong{color:var(--ink);font-size:17px}

  /* ============ 规格数据卡 ============ */
  .specs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  .spec{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-card);transition:border-color .24s var(--ease),transform .24s var(--ease)}
  .spec:hover{border-color:var(--lime);transform:translateY(-3px)}
  .spec .k{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin-bottom:12px}
  .spec .v{display:block;font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:clamp(20px,2.4vw,26px);font-weight:800;color:var(--ink);letter-spacing:-.01em}
  .spec p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75}

  /* ============ 装机步骤 ============ */
  .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  .step{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-card);transition:border-color .24s var(--ease),transform .24s var(--ease)}
  .step:hover{border-color:var(--lime);transform:translateY(-3px)}
  .step .num{
    display:inline-block;margin-bottom:14px;padding:3px 12px;border-radius:999px;background:var(--lime);
    font-family:var(--font-mono);font-size:12px;font-weight:800;color:var(--ink);letter-spacing:.06em;
  }
  .step h3{font-size:18px;font-weight:700;margin-bottom:8px}
  .step p{font-size:14px;color:var(--muted);line-height:1.8}

  /* ============ 常见问题 ============ */
  .faq{max-width:900px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 0;background:none;border:0;text-align:left;cursor:pointer;
    font-size:17px;font-weight:700;color:var(--text);line-height:1.6;
  }
  .faq-q i{color:var(--muted);transition:transform .24s var(--ease),color .24s var(--ease);flex:0 0 auto}
  .faq-q:hover{color:var(--clay)}
  .faq-item.open .faq-q i{transform:rotate(45deg);color:var(--ink)}
  .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease)}
  .faq-item.open .faq-a{grid-template-rows:1fr}
  .faq-a-inner{overflow:hidden}
  .faq-a-inner p{padding-bottom:22px;color:var(--muted);font-size:16px;line-height:1.85;max-width:760px}

  /* ============ 相关分类 ============ */
  .relate{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .relate-card{
    display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-card);
    transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .relate-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-hover)}
  .relate-card img{width:104px;height:76px;object-fit:cover;border-radius:12px;flex:0 0 auto}
  .relate-card h3{font-size:18px;font-weight:700;margin-bottom:6px}
  .relate-card p{font-size:14px;color:var(--muted);line-height:1.7}
  .relate-card .arrow{margin-left:auto;color:var(--clay);transition:transform .24s var(--ease)}
  .relate-card:hover .arrow{transform:translateX(4px)}

  /* ============ 订阅 CTA ============ */
  .cta{position:relative;overflow:hidden;background:var(--ink);color:var(--text-d);padding:clamp(64px,8vw,110px) 0}
  .cta::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
      linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px) 0 0/64px 64px,
      linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px) 0 0/64px 64px;
  }
  .cta-inner{position:relative;z-index:2}
  .cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:start}
  .cta-title{font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.2;margin:14px 0 16px}
  .cta-list{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:12px}
  .cta-list li{position:relative;padding-left:24px;font-size:15px;color:var(--muted-d);line-height:1.75}
  .cta-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:2px;font-size:12px;color:var(--lime)}
  .form-card{background:var(--paper);color:var(--text);border-radius:var(--r-card);padding:clamp(22px,3vw,32px);box-shadow:var(--shadow-hover)}
  .form-card h3{font-size:20px;font-weight:800;margin-bottom:6px}
  .form-card .form-sub{font-size:14px;color:var(--muted);margin-bottom:22px}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .field{display:flex;flex-direction:column}
  .field label{font-size:13px;font-weight:700;color:var(--text);margin-bottom:8px}
  .field input,.field textarea{
    width:100%;border-radius:var(--r-input);border:1px solid var(--line);background:#fff;
    color:var(--text);font-size:15px;font-family:inherit;
    transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
  }
  .field input{height:48px;padding:0 14px}
  .field textarea{min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
  .field input::placeholder,.field textarea::placeholder{color:#A9ADA4}
  .field input:focus,.field textarea:focus{
    outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.35);
  }
  .field-full{grid-column:1 / -1}
  .form-actions{margin-top:20px}
  .form-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.7}

  /* ============ 页脚 ============ */
  .site-footer{position:relative;background:var(--ink);color:var(--text-d);padding:clamp(56px,7vw,88px) 0 0;overflow:hidden}
  .site-footer::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:
      linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px) 0 0/64px 64px,
      linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px) 0 0/64px 64px;
  }
  .footer-inner{position:relative;z-index:2}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:clamp(24px,4vw,48px)}
  .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
  .footer-brand .brand-mark{background:rgba(255,255,255,.06);border:1px solid var(--line-d)}
  .footer-brand .brand-name{color:var(--text-d)}
  .footer-brand .brand-sub{color:var(--muted-d)}
  .footer-about{font-size:14px;color:var(--muted-d);line-height:1.8;max-width:340px}
  .footer-dot{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13px;color:var(--muted-d);font-family:var(--font-mono)}
  .footer-dot b{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block;box-shadow:0 0 0 4px rgba(198,242,78,.16)}
  .footer-col h4{font-size:14px;font-weight:800;letter-spacing:.06em;color:var(--text-d);margin-bottom:16px}
  .footer-links{display:grid;gap:10px}
  .footer-links a{font-size:14px;color:var(--muted-d);transition:color .24s var(--ease),transform .24s var(--ease);display:inline-block}
  .footer-links a:hover{color:var(--lime);transform:translateX(3px)}
  .footer-info{font-size:14px;color:var(--muted-d);line-height:1.85}
  .footer-info strong{color:var(--text-d);font-weight:700}
  .footer-bottom{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
    margin-top:clamp(36px,5vw,56px);padding:22px 0 28px;border-top:1px solid var(--line-d);
    font-size:13px;color:var(--muted-d);
  }

  /* ============ 入场动效 ============ */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
  .reveal.is-in{opacity:1;transform:none}

  @media (prefers-reduced-motion:reduce){
    .hero-bg{animation:none}
    .reveal{opacity:1;transform:none;transition:none}
    *{transition:none !important;animation:none !important}
  }

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .nav-cards{display:none}
    .nav-right{display:none}
    .burger{display:block}
    .gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
    .specs{grid-template-columns:repeat(2,minmax(0,1fr))}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
    .cta-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:767px){
    .site-body{font-size:16px}
    .brand-sub{display:none}
    .relate{grid-template-columns:1fr}
    .form-grid{grid-template-columns:1fr}
    .hero-status{gap:10px}
    .status-item{flex:1 1 140px;min-width:0;padding:12px 16px}
  }
  @media (max-width:639px){
    .gallery{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .mobile-grid{grid-template-columns:1fr 1fr}
    .relate-card{flex-direction:column;align-items:flex-start}
    .relate-card img{width:100%;height:150px}
    .relate-card .arrow{display:none}
  }
  @media (max-width:519px){
    .specs{grid-template-columns:1fr}
    .steps{grid-template-columns:1fr}
    .hero-actions .btn{width:100%}
  }