/* roulang page: index */
:root{
  --bg-0:#060E15;
  --bg-1:#0A1721;
  --bg-2:#0F2130;
  --line:rgba(120,200,190,0.14);
  --line-strong:rgba(37,224,176,0.32);
  --text-1:#EAF4F7;
  --text-2:#A6BCC6;
  --text-3:#6E8794;
  --brand:#25E0B0;
  --brand-deep:#0E8F7A;
  --accent:#FF7A3D;
  --danger:#FF5A5F;
  --radius-tag:8px;
  --radius-card:16px;
  --radius-img:14px;
  --radius-pill:999px;
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-hover:0 14px 40px -14px rgba(0,0,0,.65);
  --glow:0 0 0 1px rgba(37,224,176,.35), 0 10px 30px -10px rgba(37,224,176,.45);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Barlow","DIN Alternate","SFMono-Regular",ui-monospace,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
h1,h2,h3,h4,h5{margin:0;color:var(--text-1);font-weight:700;letter-spacing:-.3px;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;}
h3{font-size:clamp(17px,1.5vw,19px);line-height:1.45;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;border-bottom:1px solid var(--line);position:relative;}
.section.alt{background:var(--bg-1);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);letter-spacing:1px;margin-bottom:10px;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px;}
.section-desc{font-size:15px;color:var(--text-2);margin-top:10px;max-width:640px;}
.text-link{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.text-link:hover{color:#5AEECD;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#04140F;box-shadow:var(--glow);}
.btn-primary:hover{background:#3DEDC1;color:#04140F;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--brand);}
.btn-ghost:hover{background:rgba(37,224,176,.08);color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-full{width:100%;}

/* ===== 标签 ===== */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--radius-tag);border:1px solid var(--line-strong);
  color:var(--brand);background:rgba(37,224,176,.06);
  font-size:13px;line-height:1;white-space:nowrap;
}
.tag-accent{border-color:rgba(255,122,61,.4);color:var(--accent);background:rgba(255,122,61,.08);}
.tag-muted{border-color:var(--line);color:var(--text-3);background:transparent;}

/* ===== 顶部状态条 ===== */
.statusbar{display:none;height:32px;background:#071119;border-bottom:1px solid var(--line);font-size:13px;color:var(--text-3);}
@media(min-width:640px){.statusbar{display:block;}}
.statusbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:32px;}
.state-pill{display:inline-flex;align-items:center;gap:6px;height:20px;padding:0 9px;border-radius:6px;border:1px solid var(--line-strong);color:var(--brand);font-size:12px;}
.state-pill .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px var(--brand);animation:pulse 2.4s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.statusbar-mid{color:var(--text-3);}
.statusbar-mid b{color:var(--text-2);font-weight:600;}
.statusbar-link{color:var(--text-2);font-size:13px;}
.statusbar-link:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(6,14,21,.9);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:grid;place-items:center;color:#04140F;font-weight:800;font-size:16px;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:-.2px;}
.brand-sub{font-size:12px;font-weight:500;color:var(--brand);letter-spacing:.5px;}
.main-nav{display:none;flex:1;align-items:center;gap:24px;}
@media(min-width:1024px){.main-nav{display:flex;}}
.main-nav a{position:relative;font-size:14.5px;color:var(--text-2);padding:8px 0;white-space:nowrap;}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;background:var(--brand);transition:width .24s var(--ease);}
.main-nav a:hover{color:var(--text-1);}
.main-nav a:hover::after{width:100%;}
.main-nav a.active{color:var(--brand);}
.main-nav a.active::after{width:100%;}
.header-actions{display:none;align-items:center;gap:12px;flex:0 0 auto;}
@media(min-width:1024px){.header-actions{display:flex;}}
.nav-toggle{
  margin-left:auto;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:transparent;color:var(--text-1);
  display:grid;place-items:center;font-size:17px;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand);}
@media(min-width:1024px){.nav-toggle{display:none;}}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(6,14,21,.97);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  display:flex;flex-direction:column;
  padding:22px 24px 28px;
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  visibility:hidden;
}
.mobile-drawer.open{transform:translateX(0);visibility:visible;}
@media(min-width:1024px){.mobile-drawer{display:none;}}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--text-1);font-size:18px;cursor:pointer;display:grid;place-items:center;}
.drawer-close:hover{color:var(--brand);border-color:var(--line-strong);}
.drawer-nav{display:flex;flex-direction:column;gap:2px;flex:1;overflow-y:auto;}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:15px 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);}
.drawer-nav a i{font-size:12px;opacity:.6;}
.drawer-cta{padding-top:22px;display:flex;flex-direction:column;gap:12px;}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:var(--bg-0);border-bottom:1px solid var(--line);}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 12% 12%,rgba(37,224,176,.13),transparent 68%),
    radial-gradient(720px 520px at 88% 82%,rgba(14,143,122,.20),transparent 70%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(rgba(120,200,190,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,190,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 82%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 30%,transparent 82%);
}
.hero-inner{position:relative;z-index:2;padding:72px 0 80px;}
.hero-grid{display:grid;gap:48px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:64px;}}
.hero-badge{display:inline-flex;align-items:center;gap:10px;height:28px;padding:0 14px;border-radius:var(--radius-pill);border:1px solid var(--line-strong);background:rgba(37,224,176,.06);font-size:13px;color:var(--brand);margin-bottom:22px;}
.hero h1{margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:16px 40px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line);}
.metric{min-width:96px;}
.metric-value{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--text-1);line-height:1.2;display:flex;align-items:baseline;gap:4px;}
.metric-value span{font-size:13px;color:var(--text-3);font-weight:500;}
.metric-label{font-size:13px;color:var(--text-3);margin-top:2px;}

.hero-visual{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:linear-gradient(135deg,#0A1721,#0F2130);aspect-ratio:4/3;}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{content:"";position:absolute;inset:0;background:rgba(6,14,21,.5);}
.glass-card{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:3;
  padding:18px 20px;border-radius:14px;
  background:rgba(15,33,48,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line-strong);
}
.glass-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;}
.glass-clock{display:flex;align-items:baseline;gap:2px;font-family:var(--mono);font-size:22px;font-weight:700;color:var(--text-1);font-variant-numeric:tabular-nums;}
.glass-clock i{font-style:normal;font-size:12px;color:var(--text-3);margin-left:6px;font-weight:500;font-family:var(--font);}
.glass-tip{font-size:13px;color:var(--text-2);line-height:1.7;}
@media(max-width:1023px){
  .glass-card{-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(13,29,42,.92);}
  .hero-inner{padding:40px 0 52px;}
}

/* ===== 目录 ===== */
.catalog-grid{display:grid;gap:32px;}
@media(min-width:1024px){.catalog-grid{grid-template-columns:264px minmax(0,1fr);gap:56px;}}
.catalog-nav{display:none;}
@media(min-width:1024px){
  .catalog-nav{display:block;position:sticky;top:104px;align-self:start;padding-left:22px;}
  .catalog-nav::before{content:"";position:absolute;left:5px;top:10px;bottom:10px;width:1px;background:var(--line);}
}
.catalog-nav-item{position:relative;display:block;padding:9px 0;font-size:14px;color:var(--text-2);}
.catalog-nav-item .num{font-family:var(--mono);font-size:12px;color:var(--text-3);margin-right:8px;}
.catalog-nav-item::before{content:"";position:absolute;left:-22px;top:17px;width:7px;height:7px;border-radius:50%;background:var(--bg-0);border:1px solid var(--line-strong);transition:all .2s var(--ease);}
.catalog-nav-item:hover{color:var(--brand);}
.catalog-nav-item:hover::before{background:var(--brand);border-color:var(--brand);}
.catalog-list{border-top:1px solid var(--line);}
.toc-item{
  position:relative;display:flex;align-items:center;gap:18px;
  padding:20px 16px 20px 20px;border-bottom:1px solid var(--line);
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.toc-item::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;background:var(--brand);opacity:0;transform:scaleY(.4);transition:all .22s var(--ease);}
.toc-item:hover{transform:translateX(4px);background:rgba(37,224,176,.045);color:inherit;}
.toc-item:hover::before{opacity:1;transform:scaleY(1);}
.toc-num{font-family:var(--mono);font-size:13px;color:var(--text-3);flex:0 0 auto;padding-top:3px;}
.toc-main{flex:1;min-width:0;}
.toc-main h3{font-size:17px;margin-bottom:4px;transition:color .2s var(--ease);}
.toc-item:hover .toc-main h3{color:var(--brand);}
.toc-main p{font-size:14px;color:var(--text-2);line-height:1.7;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
.toc-item .tag{flex:0 0 auto;display:none;}
@media(min-width:768px){.toc-item .tag{display:inline-flex;}}
.arrow{color:var(--text-3);font-size:15px;flex:0 0 auto;transition:transform .2s var(--ease),color .2s var(--ease);}
.toc-item:hover .arrow{transform:translateX(2px);color:var(--brand);}

/* ===== 精选 ===== */
.feature-grid{display:grid;gap:24px;}
@media(min-width:1024px){.feature-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);}}
.feature-side{display:grid;gap:24px;}
.card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.card-media{position:relative;overflow:hidden;background:linear-gradient(135deg,#0A1721,#0F2130);aspect-ratio:16/9;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-media::after{content:"";position:absolute;inset:0;background:rgba(6,14,21,.28);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;min-width:0;}
.card-title{font-size:18px;font-weight:600;line-height:1.45;transition:color .2s var(--ease);}
.card:hover .card-title{color:var(--brand);}
.card-desc{font-size:14px;color:var(--text-2);line-height:1.75;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.feature-large .card-media{aspect-ratio:16/8.6;}
.feature-large .glass-strip{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:3;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 16px;border-radius:14px;
  background:rgba(15,33,48,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line-strong);
  font-size:14px;color:var(--text-1);
}
@media(max-width:1023px){.feature-large .glass-strip{-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(13,29,42,.92);}}
.feature-side .card-media{aspect-ratio:16/8;}
@media(min-width:1024px){.feature-side .card-media{aspect-ratio:16/7.4;}}

/* ===== 最新信息 ===== */
.news-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@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{display:flex;flex-direction:column;gap:12px;padding:24px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);height:100%;}
.news-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);color:inherit;}
.news-card:hover .card-title{color:var(--brand);}
.news-card .card-title{font-size:17px;}
.news-card .card-desc{font-size:14px;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:36px 24px;text-align:center;color:var(--text-3);font-size:14px;
}
.empty-state i{font-size:22px;color:var(--text-3);opacity:.7;}

/* ===== 三步指引 ===== */
.steps{display:grid;gap:0;grid-template-columns:1fr;position:relative;}
@media(min-width:900px){.steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:0;}}
.step{position:relative;padding:0 0 34px 0;}
@media(min-width:900px){.step{padding:0 28px 0 0;}}
.step-top{display:flex;align-items:center;gap:16px;margin-bottom:18px;}
.step-ring{
  width:46px;height:46px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  border:1px solid var(--line-strong);background:rgba(37,224,176,.07);
  font-family:var(--mono);font-size:16px;font-weight:700;color:var(--brand);
}
.step-line{flex:1;height:1px;background:repeating-linear-gradient(90deg,var(--line-strong) 0 6px,transparent 6px 12px);}
@media(max-width:899px){
  .step-line{display:none;}
  .step::before{content:"";position:absolute;left:23px;top:52px;bottom:6px;width:1px;background:repeating-linear-gradient(180deg,var(--line-strong) 0 6px,transparent 6px 12px);}
  .step{padding-left:0;}
  .step .step-body{padding-left:62px;}
}
.step-body h3{margin-bottom:8px;}
.step-body p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ===== 状态说明 ===== */
.status-grid{display:grid;gap:32px;}
@media(min-width:1024px){.status-grid{grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:56px;align-items:start;}}
.status-panel{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;}
.status-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line);}
.status-row:last-child{border-bottom:0;}
.status-row .k{font-size:14px;color:var(--text-2);}
.status-row .v{font-family:var(--mono);font-size:15px;color:var(--text-1);font-weight:600;display:flex;align-items:center;gap:8px;}
.status-row .v .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px var(--brand);}
.status-row .v.warn .dot{background:var(--accent);box-shadow:0 0 8px var(--accent);}
.status-list li{position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;color:var(--text-2);line-height:1.8;}
.status-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:1px;background:var(--brand);}

/* ===== FAQ ===== */
.faq{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  min-height:56px;padding:16px 4px;background:transparent;border:0;
  color:var(--text-1);font-size:16px;font-weight:600;text-align:left;cursor:pointer;
  transition:color .2s var(--ease);
}
.faq-q .dot{width:7px;height:7px;border-radius:50%;background:var(--text-3);flex:0 0 auto;transition:background .2s var(--ease),box-shadow .2s var(--ease);}
.faq-q .sign{margin-left:auto;color:var(--text-3);font-size:14px;transition:transform .24s var(--ease),color .2s var(--ease);}
.faq-q:hover{color:var(--brand);}
.faq-item.open .faq-q{color:var(--brand);}
.faq-item.open .faq-q .dot{background:var(--brand);box-shadow:0 0 8px var(--brand);}
.faq-item.open .faq-q .sign{transform:rotate(45deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-item.open .faq-a{max-height:420px;}
.faq-a p{padding:0 4px 24px 25px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ===== CTA ===== */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:36px 40px;border-radius:20px;
  background:rgba(15,33,48,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line-strong);
}
@media(max-width:1023px){.cta-band{-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(13,29,42,.92);}}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--text-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media(max-width:639px){.cta-actions{width:100%;flex-direction:column;}.cta-actions .btn{width:100%;}}

/* ===== 页脚 ===== */
.site-footer{background:#050C12;border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;gap:40px;grid-template-columns:1fr;padding-bottom:48px;}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;}}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;font-weight:600;letter-spacing:.5px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.qr-box{width:104px;height:104px;border-radius:12px;border:1px dashed var(--line-strong);display:grid;place-items:center;color:var(--text-3);font-size:12px;text-align:center;line-height:1.5;margin-bottom:12px;background:rgba(37,224,176,.04);}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:var(--text-3);}

@media(max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .section-head{margin-bottom:32px;}
}
@media(max-width:639px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .header-inner{height:64px;gap:14px;}
  .brand-name{font-size:16px;}
  .hero-metrics{gap:14px 28px;}
  .cta-band{padding:26px 22px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --bg-0:#060E15;
  --bg-1:#0A1721;
  --bg-2:#0F2130;
  --line:rgba(120,200,190,0.14);
  --line-strong:rgba(37,224,176,0.32);
  --text-1:#EAF4F7;
  --text-2:#A6BCC6;
  --text-3:#6E8794;
  --brand:#25E0B0;
  --brand-deep:#0E8F7A;
  --accent:#FF7A3D;
  --danger:#FF5A5F;
  --glass:rgba(15,33,48,0.55);
  --r-tag:8px;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-btn:999px;
  --shadow-hover:0 14px 40px -14px rgba(0,0,0,0.65);
  --glow:0 0 0 1px rgba(37,224,176,0.35),0 10px 30px -10px rgba(37,224,176,0.45);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 8% -8%,rgba(37,224,176,0.10),transparent 62%),
    radial-gradient(760px 460px at 96% 2%,rgba(255,122,61,0.055),transparent 60%),
    linear-gradient(rgba(120,200,190,0.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,190,0.035) 1px,transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-1);line-height:1.3;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.topbar{
  height:32px;
  background:rgba(10,23,33,0.92);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.status-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:20px;padding:0 9px;border-radius:var(--r-tag);
  border:1px solid var(--line-strong);color:var(--brand);
  font-size:12px;letter-spacing:.2px;
}
.status-chip i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px rgba(37,224,176,.9);display:inline-block;}
.topbar-time{font-variant-numeric:tabular-nums;letter-spacing:.2px;}
.topbar-time b{color:var(--text-2);font-weight:600;}
.topbar-link{color:var(--text-2);font-size:13px;}
.topbar-link:hover{color:var(--brand);}
.site-header{
  position:sticky;top:0;z-index:80;
  height:72px;
  background:rgba(6,14,21,0.86);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),var(--brand-deep));
  color:#04140F;font-size:19px;font-weight:700;
  box-shadow:0 6px 18px -8px rgba(37,224,176,.8);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:.3px;}
.brand-sub{font-size:12px;font-weight:500;color:var(--brand);letter-spacing:.8px;}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:auto;}
.main-nav a{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 0;text-decoration:none;transition:color .2s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;opacity:0;transform:scaleX(.6);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after,.main-nav a.active::after{opacity:1;transform:scaleX(1);}
.main-nav a.active{color:var(--brand);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--brand);color:#04140F;box-shadow:var(--glow);}
.btn-primary:hover{background:#3CECC0;color:#04140F;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--brand);}
.btn-ghost:hover{background:rgba(37,224,176,0.08);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:rgba(15,33,48,.7);
  color:var(--text-1);font-size:17px;cursor:pointer;
  align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand);}
.nav-mobile-actions{display:none;}
.site-main{padding-bottom:8px;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);
  padding:26px 0 0;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{
  color:var(--text-2);max-width:52ch;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-head{padding:22px 0 0;}
.article-head h1{
  font-size:clamp(26px,3.2vw,40px);
  line-height:1.3;letter-spacing:-.4px;
  margin:16px 0 18px;max-width:22em;
}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-tag);border:1px solid var(--line-strong);
  color:var(--brand);background:rgba(37,224,176,0.06);
  font-size:13px;text-decoration:none;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:rgba(37,224,176,0.14);color:var(--brand);}
.tag-accent{color:var(--accent);border-color:rgba(255,122,61,0.42);background:rgba(255,122,61,0.08);}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.meta-row .meta-sep{width:1px;height:12px;background:var(--line);display:inline-block;}
.meta-row b{color:var(--text-2);font-weight:600;}
.article-cover{
  margin:26px 0 0;
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/9;
  max-height:420px;
  background:linear-gradient(135deg,#0A1721 0%,#0F2130 45%,#0E8F7A 140%);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,14,21,0.10) 0%,rgba(6,14,21,0.55) 100%);
  pointer-events:none;
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:48px;
  align-items:start;
  padding:40px 0 0;
}
.article-main{min-width:0;}
.article-body{
  max-width:720px;
  font-size:16px;line-height:1.85;color:var(--text-2);
  letter-spacing:.1px;
}
.article-body p{margin:0 0 18px;}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.1vw,26px);
  line-height:1.4;color:var(--text-1);
  margin:40px 0 16px;padding-left:14px;
  letter-spacing:-.2px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;
  border-radius:3px;background:var(--brand);
}
.article-body h3{
  font-size:18px;font-weight:600;color:var(--text-1);
  margin:28px 0 12px;
}
.article-body a{
  color:var(--brand);
  border-bottom:1px solid rgba(37,224,176,0.35);
}
.article-body a:hover{border-bottom-color:var(--brand);}
.article-body ul,.article-body ol{padding-left:1.25em;margin:0 0 18px;}
.article-body li{margin-bottom:8px;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--brand);
  background:rgba(37,224,176,0.06);
  border-radius:0 12px 12px 0;color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:24px 0;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figure img{margin:0;}
.article-body figcaption{
  font-size:12px;color:var(--text-3);text-align:center;margin-top:10px;line-height:1.7;
}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:10px 12px;text-align:left;line-height:1.7;
}
.article-body th{background:rgba(15,33,48,0.7);color:var(--text-1);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-side{
  position:sticky;top:96px;
  display:flex;flex-direction:column;gap:16px;
}
.side-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  transition:border-color .2s var(--ease);
}
.side-card:hover{border-color:var(--line-strong);}
.side-card h3{
  font-size:13px;font-weight:600;color:var(--text-3);
  letter-spacing:1px;margin:0 0 14px;
}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px;}
.toc-list li{margin:0;}
.toc-list a{
  display:block;font-size:14px;color:var(--text-2);
  padding:7px 10px;border-radius:8px;line-height:1.5;
  border-left:2px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-list a:hover{color:var(--brand);background:rgba(37,224,176,0.07);border-left-color:var(--brand);}
.toc-empty{font-size:13px;color:var(--text-3);padding:6px 0;}
.side-links{list-style:none;display:flex;flex-direction:column;gap:2px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:14px;color:var(--text-2);
  padding:9px 10px;border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.side-links a i{font-size:11px;color:var(--text-3);transition:transform .2s var(--ease),color .2s var(--ease);}
.side-links a:hover{color:var(--brand);background:rgba(37,224,176,0.07);transform:translateX(2px);}
.side-links a:hover i{color:var(--brand);transform:translateX(2px);}
.action-row{display:flex;gap:10px;flex-wrap:wrap;}
.btn-mini{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:38px;padding:0 16px;border-radius:var(--r-btn);
  font-size:13px;font-weight:600;cursor:pointer;
  border:1px solid var(--line-strong);background:transparent;color:var(--brand);
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-mini:hover{background:rgba(37,224,176,0.10);transform:translateY(-1px);}
.btn-mini:active{transform:translateY(1px);}
.btn-mini.is-active{background:rgba(37,224,176,0.18);color:var(--brand);}
.side-tip{font-size:13px;color:var(--text-3);line-height:1.75;margin:12px 0 0;}
.article-cta{
  margin:44px 0 0;
  padding:26px 28px;
  border-radius:var(--r-card);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.article-cta h2{font-size:20px;margin:0 0 8px;line-height:1.4;}
.article-cta p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}
.related{margin:48px 0 0;}
.related-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:20px;
}
.related-head h2{font-size:22px;letter-spacing:-.2px;}
.related-head a{font-size:14px;color:var(--brand);}
.related-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
}
.related-card{
  display:flex;flex-direction:column;gap:10px;
  padding:20px;border-radius:var(--r-card);
  background:var(--bg-1);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.related-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover);
}
.related-card h3{font-size:16px;line-height:1.55;color:var(--text-1);transition:color .2s var(--ease);}
.related-card:hover h3{color:var(--brand);}
.related-card p{font-size:13px;color:var(--text-3);line-height:1.75;margin:0;}
.related-card .card-foot{
  margin-top:auto;padding-top:6px;
  font-size:13px;color:var(--brand);
  display:flex;align-items:center;gap:6px;
}
.back-row{margin:32px 0 0;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-2);
  padding:10px 18px;border-radius:var(--r-btn);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.back-link:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(37,224,176,0.06);}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;padding:36px 24px;text-align:center;
  background:rgba(10,23,33,0.5);
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:16px;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--brand);font-size:20px;
  background:rgba(37,224,176,0.07);
}
.empty-state h2{font-size:18px;}
.empty-state p{font-size:14px;color:var(--text-3);margin:0;line-height:1.75;}
.site-footer{
  margin-top:80px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand p{
  font-size:14px;color:var(--text-3);line-height:1.85;
  margin:16px 0 0;max-width:36ch;
}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--text-1);
  margin:0 0 14px;letter-spacing:.3px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-3);}
.footer-col a:hover{color:var(--brand);}
.qr-box{
  width:96px;height:96px;border-radius:12px;
  border:1px dashed var(--line-strong);
  display:grid;place-items:center;text-align:center;
  font-size:12px;color:var(--text-3);line-height:1.6;
  margin-bottom:12px;
  background:rgba(15,33,48,0.5);
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
  padding:20px 0;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
@media screen and (max-width:1279px){
  .article-layout{gap:36px;}
}
@media screen and (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .topbar{display:none;}
  .header-inner{gap:16px;}
  .main-nav{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:90;
    display:none;flex-direction:column;align-items:stretch;
    gap:0;margin:0;padding:88px 24px 120px;
    background:rgba(6,14,21,0.97);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    overflow-y:auto;
  }
  .main-nav.open{display:flex;}
  .main-nav a{
    font-size:17px;padding:15px 4px;
    border-bottom:1px solid var(--line);
  }
  .main-nav a::after{display:none;}
  .main-nav a.active{color:var(--brand);}
  .nav-mobile-actions{
    display:flex;flex-direction:column;gap:12px;
    margin-top:24px;
  }
  .nav-mobile-actions .btn{width:100%;}
  .header-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;z-index:100;position:relative;}
  .article-layout{grid-template-columns:1fr;gap:32px;padding-top:32px;}
  .article-side{position:static;order:2;}
  .article-body{max-width:100%;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .article-cta{flex-direction:column;align-items:stretch;}
  .cta-actions{justify-content:flex-start;}
  .breadcrumb{padding-top:20px;}
}
@media screen and (max-width:767px){
  .article-head h1{font-size:clamp(23px,6vw,30px);}
  .article-cover{aspect-ratio:16/10;margin-top:20px;}
  .related-grid{grid-template-columns:1fr;}
  .related-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:519px){
  .container{padding-left:20px;padding-right:20px;}
  .brand-name{font-size:16px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:17px;}
  .article-layout{padding-top:24px;}
  .article-cta{padding:20px;margin-top:36px;}
  .side-card{padding:16px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .article-body{font-size:15.5px;line-height:1.8;}
  .article-body h2{margin:32px 0 14px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#060E15;
  --bg-1:#0A1721;
  --bg-2:#0F2130;
  --line:rgba(120,200,190,0.14);
  --line-strong:rgba(37,224,176,0.32);
  --text-1:#EAF4F7;
  --text-2:#A6BCC6;
  --text-3:#6E8794;
  --brand:#25E0B0;
  --brand-deep:#0E8F7A;
  --accent:#FF7A3D;
  --danger:#FF5A5F;
  --glass:rgba(15,33,48,0.55);
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:16px;
  --radius-xl:20px;
  --pill:999px;
  --shadow-card:0 14px 40px -14px rgba(0,0,0,0.65);
  --glow:0 0 0 1px rgba(37,224,176,0.35),0 10px 30px -10px rgba(37,224,176,0.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  letter-spacing:0.1px;
}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-1);letter-spacing:-0.4px;line-height:1.3}
h1{font-size:clamp(28px,3.5vw,44px);line-height:1.25;letter-spacing:-0.5px}
h2{font-size:clamp(22px,2.4vw,30px)}
h3{font-size:19px;font-weight:600;letter-spacing:0}
h4{font-size:15px;font-weight:600;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
a:focus-visible,button:focus-visible,.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
button{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0;border-top:1px solid var(--line)}
.section.alt{background:var(--bg-1)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap}
.section-tag{display:inline-block;font-size:13px;color:var(--brand);letter-spacing:2px;margin-bottom:12px}
.section-sub{color:var(--text-2);font-size:15px;max-width:620px;margin-top:12px;line-height:1.8}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);border-bottom:1px solid transparent;padding-bottom:2px;transition:all .2s var(--ease)}
.text-link:hover{color:var(--brand);border-bottom-color:var(--brand)}

/* ===== 顶部状态条 ===== */
.topbar{background:var(--bg-1);border-bottom:1px solid var(--line);font-size:13px;color:var(--text-3)}
.topbar-inner{display:flex;align-items:center;gap:18px;height:32px}
.topbar .badge{height:22px;font-size:12px}
.topbar-time{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums;color:var(--text-2)}
.topbar-link{margin-left:auto;font-size:13px;color:var(--text-2)}
.topbar-link:hover{color:var(--brand)}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--radius-s);border:1px solid var(--line-strong);
  color:var(--brand);font-size:13px;line-height:1;background:rgba(37,224,176,0.06);
  white-space:nowrap;
}
.badge i{font-size:11px}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto}
.badge-accent{border-color:rgba(255,122,61,0.42);color:var(--accent);background:rgba(255,122,61,0.09)}
.badge-muted{border-color:var(--line);color:var(--text-3);background:rgba(120,200,190,0.05)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand);color:#04211B;box-shadow:var(--glow)}
.btn-primary:hover{background:#3AEBBE;color:#04211B;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(37,224,176,0.08);color:var(--brand)}
.btn-ghost:active{background:rgba(37,224,176,0.14)}
.btn-block{width:100%}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,14,21,0.9);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#04211B;font-weight:700;font-size:18px;letter-spacing:0;
  box-shadow:0 8px 22px -10px rgba(37,224,176,0.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:0}
.brand-sub{font-size:12px;font-weight:500;color:var(--brand);letter-spacing:0.5px}
.brand:hover .brand-name{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:20px;margin-left:12px}
.main-nav a{
  position:relative;font-size:14px;color:var(--text-2);padding:6px 0;transition:color .2s var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--brand);
  transition:width .22s var(--ease);
}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after{width:100%}
.main-nav a.active{color:var(--brand)}
.main-nav a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:12px;
  background:rgba(15,33,48,0.8);border:1px solid var(--line);color:var(--text-1);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand)}

/* 移动端抽屉 */
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:80;
  background:rgba(6,14,21,0.96);
  backdrop-filter:blur(18px) saturate(140%);
  padding:24px 20px 20px;
  flex-direction:column;gap:6px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:12px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--text-1);font-size:16px;cursor:pointer;
}
.drawer-close:hover{color:var(--brand);border-color:var(--line-strong)}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;font-size:16px;color:var(--text-1);
  border-bottom:1px solid var(--line);
}
.drawer-nav a i{font-size:12px;color:var(--text-3)}
.drawer-nav a:hover{color:var(--brand)}
.drawer-nav a.active{color:var(--brand)}
.drawer-cta{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:12px}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);padding:22px 0 0;
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(110,135,148,0.6)}
.breadcrumb .current{color:var(--text-2);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== Hero ===== */
.cat-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(680px 420px at 10% -10%,rgba(37,224,176,0.12),transparent 70%),
    radial-gradient(720px 480px at 92% 6%,rgba(255,122,61,0.07),transparent 72%),
    var(--bg-0);
  padding-bottom:80px;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:linear-gradient(rgba(120,200,190,0.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(120,200,190,0.055) 1px,transparent 1px);
  background-size:56px 56px;
}
.cat-hero .container{position:relative;z-index:1}
.hero-grid{margin-top:36px}
.hero-copy .badge{margin-bottom:20px}
.hero-copy h1{margin-bottom:18px}
.hero-sub{font-size:16px;color:var(--text-2);line-height:1.8;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-meta{display:flex;gap:36px;flex-wrap:wrap;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.hero-meta li{display:flex;flex-direction:column;gap:2px}
.hero-meta strong{
  font-size:24px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-0.3px;line-height:1.2;
}
.hero-meta span{font-size:13px;color:var(--text-3)}
.hero-visual{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:4/3;
  background:linear-gradient(135deg,#0A1721 0%,#0E2C36 100%);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;opacity:.9}
.hero-visual::after{content:"";position:absolute;inset:0;background:rgba(6,14,21,0.5)}
.glass-card{
  position:absolute;left:16px;right:16px;bottom:16px;z-index:2;
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line-strong);
  border-radius:14px;padding:16px 18px;
}
.glass-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.glass-time{font-size:12px;color:var(--text-3)}
.countdown{display:flex;align-items:baseline;gap:4px;font-variant-numeric:tabular-nums}
.cd-num{font-size:24px;font-weight:700;color:var(--text-1);line-height:1;letter-spacing:-0.5px}
.cd-sep{font-size:18px;color:var(--brand);line-height:1;padding:0 2px}
.glass-note{font-size:12px;color:var(--text-3);line-height:1.7;margin-top:10px}

/* ===== 目录索引区 ===== */
.toc-rail{position:sticky;top:96px}
.toc-card{
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:var(--bg-1);padding:22px 20px;
}
.toc-card h3{font-size:15px;color:var(--text-1);margin-bottom:6px}
.toc-card .toc-hint{font-size:12px;color:var(--text-3);line-height:1.7}
.toc-list{margin-top:18px;padding-left:18px;border-left:1px solid var(--line)}
.toc-list li{position:relative}
.toc-list li::before{
  content:"";position:absolute;left:-22px;top:18px;width:7px;height:7px;border-radius:50%;
  background:var(--bg-1);border:1px solid var(--line-strong);
}
.toc-list a{display:flex;gap:10px;align-items:baseline;padding:9px 0;font-size:14px;color:var(--text-2)}
.toc-list a:hover{color:var(--brand)}
.toc-num{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;min-width:20px}

.entry-list{display:flex;flex-direction:column;gap:12px}
.entry-item{
  position:relative;display:flex;gap:16px;
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius-l);
  background:var(--bg-2);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
  overflow:hidden;
}
.entry-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  opacity:0;transition:opacity .22s var(--ease);
}
.entry-item:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-card);background:#112534}
.entry-item:hover::before{opacity:1}
.entry-item:hover .entry-title{color:var(--brand)}
.entry-num{
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
  min-width:28px;padding-top:3px;letter-spacing:0.5px;
}
.entry-body{flex:1;min-width:0}
.entry-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.entry-title{font-size:17px;font-weight:600;color:var(--text-1);letter-spacing:0;transition:color .2s var(--ease)}
.entry-desc{font-size:14px;color:var(--text-2);line-height:1.8}
.entry-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}
.entry-link{font-size:13px;color:var(--text-3);display:inline-flex;align-items:center;gap:6px}
.entry-item:hover .entry-link{color:var(--brand)}

/* ===== 三步顺序 ===== */
.steps-wrap{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.steps-wrap::before{
  content:"";position:absolute;left:22px;right:22px;top:24px;height:0;
  border-top:1px dashed rgba(37,224,176,0.28);
}
.step{position:relative;padding-top:0}
.step-num{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg-0);border:1px solid var(--line-strong);
  color:var(--brand);font-weight:700;font-size:17px;font-variant-numeric:tabular-nums;
  margin-bottom:20px;position:relative;z-index:1;
}
.step h3{margin-bottom:10px;font-size:18px}
.step p{font-size:14px;color:var(--text-2);line-height:1.85}
.step .step-note{display:inline-block;margin-top:12px;font-size:12px;color:var(--text-3)}

/* ===== 状态说明 ===== */
.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.kpi{
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--bg-2);padding:18px 20px;
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.kpi:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.kpi-label{font-size:13px;color:var(--text-3);margin-bottom:8px}
.kpi-num{font-size:26px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;letter-spacing:-0.5px}
.kpi-num small{font-size:13px;font-weight:500;color:var(--text-3);margin-left:4px;letter-spacing:0}
.status-split{display:grid;grid-template-columns:1.1fr 0.9fr;gap:32px;align-items:center}
.status-figure{
  position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;
  background:linear-gradient(135deg,#0A1721 0%,#0E2C36 100%);
}
.status-figure img{width:100%;height:100%;object-fit:cover}
.status-figure::after{content:"";position:absolute;inset:0;background:rgba(6,14,21,0.45)}
.status-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:14px 16px;font-size:12px;color:var(--text-2);
  background:linear-gradient(to top,rgba(6,14,21,0.92),rgba(6,14,21,0));
}
.status-text p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:14px}
.status-text .fineprint{font-size:12px;color:var(--text-3);line-height:1.75;border-left:2px solid var(--line);padding-left:12px}

/* ===== FAQ ===== */
.faq-list{max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--bg-1);margin-bottom:12px;overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:var(--line-strong);background:#0C1E2B}
.faq-q{
  display:flex;align-items:center;gap:12px;width:100%;min-height:56px;
  padding:14px 20px;background:none;border:0;color:var(--text-1);
  font-size:16px;font-weight:600;text-align:left;cursor:pointer;line-height:1.6;
}
.faq-q::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);
  flex:0 0 auto;transition:transform .2s var(--ease);
}
.faq-q .faq-icon{margin-left:auto;font-size:12px;color:var(--text-3);transition:transform .22s var(--ease),color .22s var(--ease)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(180deg);color:var(--brand)}
.faq-a{display:none;padding:0 20px 22px 38px;font-size:15px;color:var(--text-2);line-height:1.85}
.faq-item.is-open .faq-a{display:block}

/* ===== 其他分类 ===== */
.cat-links{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat-link{
  display:flex;flex-direction:column;gap:8px;
  padding:22px 20px;border:1px solid var(--line);border-radius:var(--radius-l);
  background:var(--bg-2);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cat-link:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-card)}
.cat-link .cat-index{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:1px}
.cat-link strong{font-size:17px;color:var(--text-1);font-weight:600;letter-spacing:0;transition:color .2s var(--ease)}
.cat-link:hover strong{color:var(--brand)}
.cat-link span.cat-desc{font-size:13px;color:var(--text-3);line-height:1.7}
.cat-link .cat-arrow{font-size:12px;color:var(--text-3);margin-top:4px}
.cat-link:hover .cat-arrow{color:var(--brand)}

/* ===== CTA 条 ===== */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:36px 40px;border-radius:var(--radius-xl);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line-strong);
}
.cta-bar h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:10px}
.cta-bar p{font-size:14px;color:var(--text-2);max-width:560px;line-height:1.8}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13px;color:var(--text-3);line-height:1.85;max-width:320px}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:0.5px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:13px;color:var(--text-3)}
.footer-col ul li a:hover{color:var(--brand)}
.qr-box{
  width:104px;height:104px;border-radius:var(--radius-m);
  border:1px dashed var(--line);display:grid;place-items:center;
  font-size:12px;color:var(--text-3);line-height:1.6;text-align:center;
  background:rgba(15,33,48,0.5);margin-bottom:12px;
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);line-height:1.8;
}

/* ===== 响应式 ===== */
@media screen and (max-width:1279px){
  .container{padding:0 24px}
  .section{padding:76px 0}
}
@media screen and (max-width:1023px){
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px}
  .topbar{display:none}
  .toc-rail{position:static;margin-bottom:24px}
  .status-grid{grid-template-columns:repeat(2,1fr)}
  .status-split{grid-template-columns:1fr;gap:24px}
  .cat-links{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-meta{gap:24px}
}
@media screen and (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .cat-hero{padding-bottom:56px}
  .steps-wrap{grid-template-columns:1fr;gap:28px}
  .steps-wrap::before{left:24px;right:auto;top:24px;bottom:24px;width:0;height:auto;border-top:0;border-left:1px dashed rgba(37,224,176,0.28)}
  .step{display:flex;gap:18px;align-items:flex-start}
  .step-num{margin-bottom:0;flex:0 0 auto}
  .step-body{padding-top:6px}
  .entry-item{padding:18px 16px;gap:12px}
  .entry-title{font-size:16px}
  .cta-bar{padding:26px 22px;gap:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .section-head{margin-bottom:28px}
}
@media screen and (max-width:639px){
  .status-grid{grid-template-columns:1fr 1fr;gap:12px}
  .kpi{padding:14px 14px}
  .kpi-num{font-size:22px}
  .cat-links{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-visual{aspect-ratio:16/11}
  .hero-actions .btn{flex:1 1 100%}
  .glass-card{left:12px;right:12px;bottom:12px;padding:14px;background:rgba(13,29,42,0.92);backdrop-filter:none}
  .footer-bottom{justify-content:flex-start}
  .breadcrumb .current{max-width:70%}
}
@media screen and (max-width:519px){
  .hero-meta{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .entry-num{display:none}
  .faq-q{font-size:15px;padding:14px 16px}
  .faq-a{padding:0 16px 20px 32px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --bg-0:#060E15;
  --bg-1:#0A1721;
  --bg-2:#0F2130;
  --line:rgba(120,200,190,.14);
  --line-strong:rgba(37,224,176,.32);
  --text-1:#EAF4F7;
  --text-2:#A6BCC6;
  --text-3:#6E8794;
  --brand:#25E0B0;
  --brand-deep:#0E8F7A;
  --accent:#FF7A3D;
  --danger:#FF5A5F;
  --r-tag:8px;
  --r-card:16px;
  --r-img:14px;
  --r-btn:999px;
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  background:var(--bg-0);
  color:var(--text-1);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure{margin:0;}
ul,ol{list-style:none;padding:0;}
h1,h2,h3,h4{color:var(--text-1);font-weight:700;letter-spacing:-.3px;}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;}
::selection{background:rgba(37,224,176,.28);color:#fff;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(6,14,21,.88);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);flex-shrink:0;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(140deg,#25E0B0,#0E8F7A);
  color:#04212B;
  font-weight:800;
  font-size:18px;
  letter-spacing:0;
  box-shadow:0 8px 22px -12px rgba(37,224,176,.75);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.5px;}
.brand-sub{font-size:12px;font-weight:500;color:var(--brand);letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:22px;}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s var(--ease);
}
.main-nav a:hover{color:var(--brand);}
.main-nav a.active{color:var(--brand);font-weight:600;}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(15,33,48,.6);
  color:var(--text-1);
  font-size:17px;
  cursor:pointer;
  position:relative;
  z-index:150;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand);}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{
  background:var(--brand);
  color:#04212B;
  box-shadow:0 0 0 1px rgba(37,224,176,.35),0 10px 30px -10px rgba(37,224,176,.45);
}
.btn-primary:hover{
  background:#3CE9BD;
  color:#04212B;
  transform:translateY(-1px);
}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--brand);
}
.btn-ghost:hover{background:rgba(37,224,176,.08);color:var(--brand);border-color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span[aria-current]{color:var(--text-2);}
/* ---------- hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-1);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.5;
  filter:saturate(90%);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(680px 340px at 12% 18%,rgba(37,224,176,.16),transparent 70%),
    radial-gradient(560px 320px at 88% 82%,rgba(14,143,122,.20),transparent 70%),
    linear-gradient(180deg,rgba(6,14,21,.62) 0%,rgba(6,14,21,.90) 62%,rgba(6,14,21,.98) 100%);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,200,190,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,190,.06) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.6;
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;padding:56px 0 64px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-tag);
  border:1px solid var(--line-strong);
  background:rgba(37,224,176,.07);
  color:var(--brand);
  font-size:13px;
  font-weight:500;
  line-height:1;
  margin-bottom:18px;
}
.badge-warm{
  border-color:rgba(255,122,61,.4);
  background:rgba(255,122,61,.09);
  color:var(--accent);
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,44px);
  line-height:1.25;
  letter-spacing:-.5px;
  max-width:20ch;
  margin-bottom:16px;
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:34em;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-metrics{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.hero-metrics li{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:12px 20px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(15,33,48,.5);
  min-width:150px;
}
.m-label{font-size:12px;color:var(--text-3);letter-spacing:.06em;}
.m-value{font-size:16px;font-weight:600;color:var(--text-1);font-variant-numeric:tabular-nums;}
.hero-strip{
  position:relative;
  z-index:2;
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  padding:16px 22px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(15,33,48,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  font-size:14px;
  color:var(--text-2);
}
.hero-strip i{color:var(--brand);}
/* ---------- sections ---------- */
.section{padding:88px 0;border-bottom:1px solid var(--line);}
.section-alt{background:var(--bg-1);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.eyebrow{
  display:block;
  font-size:13px;
  color:var(--brand);
  letter-spacing:.14em;
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(24px,2.8vw,31px);
  line-height:1.3;
}
.section-desc{
  max-width:44ch;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}
/* ---------- line cards ---------- */
.line-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.line-card{
  position:relative;
  display:block;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--bg-2);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.line-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:0 14px 40px -14px rgba(0,0,0,.65);
}
.line-thumb{position:relative;aspect-ratio:3/2;overflow:hidden;}
.line-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  filter:brightness(.82) saturate(95%);
  transition:transform .24s var(--ease);
}
.line-card:hover .line-thumb img{transform:scale(1.03);}
.line-thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,14,21,.12) 0%,rgba(6,14,21,.55) 58%,rgba(6,14,21,.88) 100%);
}
.glass-bar{
  position:absolute;
  left:16px;right:16px;bottom:16px;
  z-index:2;
  padding:14px 16px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(15,33,48,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
}
.glass-bar h3{
  font-size:17px;
  font-weight:600;
  margin:8px 0 6px;
  color:var(--text-1);
  transition:color .2s var(--ease);
}
.line-card:hover .glass-bar h3{color:var(--brand);}
.glass-bar p{
  font-size:13.5px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-tag);
  border:1px solid var(--line-strong);
  background:rgba(37,224,176,.07);
  color:var(--brand);
  font-size:12.5px;
  font-weight:500;
  line-height:1;
}
.tag-warm{
  border-color:rgba(255,122,61,.4);
  background:rgba(255,122,61,.09);
  color:var(--accent);
}
.tag-mute{
  border-color:var(--line);
  background:rgba(120,200,190,.06);
  color:var(--text-2);
}
/* ---------- version table ---------- */
.vtable{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--bg-1);
}
.vrow{
  display:grid;
  grid-template-columns:1.05fr 1.15fr 1.8fr;
}
.vrow > div{
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--text-2);
  line-height:1.75;
}
.vrow > div:first-child{color:var(--text-1);font-weight:600;}
.vrow:last-child > div{border-bottom:0;}
.vrow.head > div{
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--text-3);
  background:rgba(15,33,48,.85);
  padding:14px 22px;
}
/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.step{
  position:relative;
  padding:24px 22px 26px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-2);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.step:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.step-num{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--brand);
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
  background:rgba(37,224,176,.06);
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
/* ---------- checklist ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(15,33,48,.45);
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
  transition:border-color .2s var(--ease);
}
.check-list li:hover{border-color:var(--line-strong);}
.check-list i{color:var(--brand);margin-top:5px;font-size:14px;}
.check-list strong{color:var(--text-1);font-weight:600;}
/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 4px;
  background:none;
  border:0;
  color:var(--text-1);
  font-size:17px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  transition:color .2s var(--ease);
  line-height:1.6;
}
.faq-q:hover{color:var(--brand);}
.faq-q .dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--line-strong);
  flex-shrink:0;
  transition:background-color .2s var(--ease);
}
.faq-q span.q-text{flex:1;padding-left:10px;}
.faq-q i{color:var(--text-3);font-size:13px;transition:transform .2s var(--ease),color .2s var(--ease);}
.faq-item.open .faq-q{color:var(--brand);}
.faq-item.open .faq-q .dot{background:var(--brand);}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s var(--ease);}
.faq-a p{
  padding:0 40px 24px 22px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  max-width:840px;
}
/* ---------- more links ---------- */
.more-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.more-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:22px 20px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--bg-2);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.more-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:0 14px 40px -14px rgba(0,0,0,.65);
}
.more-card .idx{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:.08em;}
.more-card h3{font-size:16.5px;font-weight:600;color:var(--text-1);transition:color .2s var(--ease);}
.more-card:hover h3{color:var(--brand);}
.more-card p{font-size:13.5px;color:var(--text-2);line-height:1.7;}
.more-card .arrow{font-size:13px;color:var(--brand);margin-top:4px;}
/* ---------- cta band ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  padding:34px 38px;
  border-radius:20px;
  border:1px solid var(--line);
  background:rgba(15,33,48,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
}
.cta-band h2{font-size:clamp(20px,2.4vw,25px);margin-bottom:8px;}
.cta-band p{font-size:14.5px;color:var(--text-2);max-width:46ch;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.85;
  max-width:34ch;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--brand);}
.qr-box{
  width:104px;height:104px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px dashed var(--line-strong);
  background:rgba(15,33,48,.7);
  color:var(--text-3);
  font-size:12.5px;
  text-align:center;
  line-height:1.6;
  margin-bottom:14px;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:22px 0 30px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
/* ---------- responsive ---------- */
@media (max-width:1180px){
  .main-nav{gap:16px;}
  .main-nav a{font-size:13.5px;}
  .header-actions .btn-ghost{display:none;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-toggle{display:inline-flex;}
  .main-nav,.header-actions{display:none;}
  .section{padding:72px 0;}
  .page-hero-inner{padding:44px 0 52px;}
  .line-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
  .more-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1/-1;}
  body.nav-open{overflow:hidden;}
  body.nav-open .main-nav{
    display:flex;
    position:fixed;
    top:72px;left:0;right:0;bottom:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:16px 24px 130px;
    background:rgba(10,23,33,.97);
    -webkit-backdrop-filter:blur(16px) saturate(140%);
    backdrop-filter:blur(16px) saturate(140%);
    border-top:1px solid var(--line);
    overflow-y:auto;
    z-index:110;
  }
  body.nav-open .main-nav a{
    padding:16px 4px;
    font-size:17px;
    border-bottom:1px solid var(--line);
  }
  body.nav-open .main-nav a.active::after{display:none;}
  body.nav-open .header-actions{
    display:flex;
    position:fixed;
    left:0;right:0;bottom:0;
    gap:12px;
    padding:16px 20px calc(16px + env(safe-area-inset-bottom));
    background:rgba(6,14,21,.97);
    border-top:1px solid var(--line);
    z-index:111;
  }
  body.nav-open .header-actions .btn{flex:1;justify-content:center;}
  body.nav-open .header-actions .btn-ghost{display:inline-flex;}
}
@media (max-width:820px){
  .vrow{grid-template-columns:1fr;}
  .vrow > div{padding:14px 18px;border-bottom:1px solid var(--line);}
  .vrow > div:last-child{border-bottom:1px solid var(--line);}
  .vrow:last-child > div:last-child{border-bottom:0;}
  .vrow.head{display:none;}
  .vrow > div:nth-child(2)::before{content:"显示位置 · ";color:var(--text-3);font-size:12.5px;}
  .vrow > div:nth-child(3)::before{content:"说明 · ";color:var(--text-3);font-size:12.5px;}
  .steps{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;}
  .cta-band{padding:26px 24px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .line-grid{grid-template-columns:1fr;}
  .more-grid{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .page-hero-inner{padding:34px 0 44px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{flex:1;justify-content:center;}
  .hero-metrics li{min-width:0;flex:1 1 calc(50% - 6px);padding:10px 14px;}
  .glass-bar{left:12px;right:12px;bottom:12px;padding:12px 14px;}
  .glass-bar p{-webkit-line-clamp:3;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{font-size:12.5px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;justify-content:center;}
  .faq-q{font-size:15.5px;padding:16px 2px;}
  .faq-a p{padding:0 16px 20px 18px;font-size:15px;}
}
@media (max-width:400px){
  .brand-name{font-size:15.5px;}
  .brand-sub{font-size:11px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --bg-0:#060E15;
  --bg-1:#0A1721;
  --bg-2:#0F2130;
  --line:rgba(120,200,190,0.14);
  --line-strong:rgba(37,224,176,0.32);
  --text-1:#EAF4F7;
  --text-2:#A6BCC6;
  --text-3:#6E8794;
  --brand:#25E0B0;
  --brand-deep:#0E8F7A;
  --accent:#FF7A3D;
  --danger:#FF5A5F;
  --glass:rgba(15,33,48,0.55);
  --radius-tag:8px;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:12px;
  --container:1240px;
  --glow:0 0 0 1px rgba(37,224,176,.35),0 10px 30px -10px rgba(37,224,176,.45);
  --shadow-hover:0 14px 40px -14px rgba(0,0,0,.65);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
button{font-family:inherit;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 顶部状态条 ============ */
.topbar{
  height:32px;background:rgba(10,23,33,.92);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;
}
.topbar-inner{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:12.5px;color:var(--text-3);
}
.topbar-left{display:flex;align-items:center;gap:14px;}
.status-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:20px;padding:0 9px;border-radius:6px;
  border:1px solid var(--line-strong);
  color:var(--brand);font-size:12px;
  background:rgba(37,224,176,.07);
}
.status-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px rgba(37,224,176,.9);}
.topbar-mid{color:var(--text-3);font-size:12.5px;letter-spacing:.4px;}
.topbar-mid strong{color:var(--text-2);font-weight:600;}
.topbar-right a{color:var(--text-2);font-size:12.5px;border-bottom:1px dashed rgba(120,200,190,.3);padding-bottom:1px;}
.topbar-right a:hover{color:var(--brand);border-bottom-color:var(--brand);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(6,14,21,.9);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,#25E0B0,#0E8F7A);
  color:#04140f;font-weight:700;font-size:18px;letter-spacing:0;
  box-shadow:0 0 0 1px rgba(37,224,176,.3),0 8px 20px -10px rgba(37,224,176,.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:700;color:var(--text-1);letter-spacing:.2px;}
.brand-sub{font-size:12px;font-weight:500;color:var(--brand);letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:22px;flex-wrap:nowrap;}
.main-nav a{
  position:relative;font-size:14.5px;color:var(--text-2);padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);border-radius:2px;
}
.main-nav a:hover{color:var(--text-1);}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  background:rgba(15,33,48,.7);border:1px solid var(--line);
  color:var(--text-1);font-size:16px;cursor:pointer;align-items:center;justify-content:center;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(37,224,176,.12);border-color:var(--line-strong);color:var(--brand);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:14px;font-weight:600;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px;}
.btn-primary{background:var(--brand);color:#04140f;box-shadow:var(--glow);}
.btn-primary:hover{background:#3CF0C3;color:#04140f;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--brand);}
.btn-ghost:hover{background:rgba(37,224,176,.08);color:var(--brand);border-color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-block{width:100%;}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  position:fixed;inset:0;z-index:300;
  background:rgba(6,14,21,.97);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  display:none;flex-direction:column;
  padding:18px 20px 24px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border-radius:12px;background:rgba(15,33,48,.8);
  border:1px solid var(--line);color:var(--text-1);font-size:16px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;padding:14px 0;gap:2px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;font-size:16px;color:var(--text-1);
  border-bottom:1px solid rgba(120,200,190,.08);
}
.drawer-nav a i{color:var(--text-3);font-size:12px;}
.drawer-nav a.active{color:var(--brand);}
.drawer-cta{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:12px;}

/* ============ 面包屑 ============ */
.crumb-wrap{border-bottom:1px solid var(--line);background:var(--bg-0);}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:14px 0;font-size:13px;color:var(--text-3);
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(110,135,148,.6);}
.crumb .current{color:var(--text-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:
    radial-gradient(720px 380px at 12% -10%,rgba(37,224,176,.14),transparent 62%),
    radial-gradient(620px 420px at 92% 8%,rgba(255,122,61,.09),transparent 66%),
    var(--bg-0);
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(120,200,190,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,190,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 30% 20%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 30% 20%,#000 0%,transparent 78%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:24px;padding:0 11px;border-radius:var(--radius-tag);
  border:1px solid var(--line-strong);background:rgba(37,224,176,.07);
  color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.4px;
  margin-bottom:20px;
}
.hero-title{
  font-size:clamp(32px,4.2vw,44px);font-weight:700;line-height:1.25;letter-spacing:-.5px;
  color:var(--text-1);margin-bottom:16px;
}
.hero-title em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;line-height:1.75;color:var(--text-2);margin-bottom:16px;max-width:34em;}
.hero-desc{font-size:15px;line-height:1.85;color:var(--text-3);margin-bottom:28px;max-width:38em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.kpi-row{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);padding-top:22px;}
.kpi{flex:1 1 0;min-width:110px;padding-right:18px;border-right:1px solid var(--line);}
.kpi:last-child{border-right:none;padding-right:0;}
.kpi-value{font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;letter-spacing:-.5px;}
.kpi-value small{font-size:13px;font-weight:500;color:var(--text-3);margin-left:3px;letter-spacing:0;}
.kpi-label{font-size:13px;color:var(--text-3);margin-top:4px;}

.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);aspect-ratio:4/3;background:var(--bg-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;opacity:.85;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,14,21,.15) 0%,rgba(6,14,21,.72) 100%);
}
.hero-float{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:3;
  background:var(--glass);border:1px solid var(--line-strong);
  border-radius:var(--radius-card);padding:16px 18px;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.hero-float-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;}
.hero-float-title{font-size:14px;font-weight:600;color:var(--text-1);}
.hero-float p{font-size:13px;line-height:1.7;color:var(--text-2);margin:0;}
.hero-float .clock{display:flex;align-items:baseline;gap:3px;font-size:22px;font-weight:700;color:var(--brand);letter-spacing:1px;}
.hero-float .clock span.unit{font-size:12px;color:var(--text-3);font-weight:500;letter-spacing:0;margin-left:2px;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;border-top:1px solid var(--line);}
.section-alt{background:var(--bg-1);}
.section-first{border-top:none;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.sec-title{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.4px;color:var(--text-1);}
.sec-desc{font-size:15px;line-height:1.85;color:var(--text-3);margin-top:12px;max-width:62ch;}
.sec-link{font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:7px;white-space:nowrap;}
.sec-link i{font-size:12px;transition:transform .2s var(--ease);}
.sec-link:hover i{transform:translateX(3px);}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:56px;max-width:940px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--line-strong) 0%,rgba(120,200,190,.16) 60%,rgba(120,200,190,.04) 100%);
  border-radius:2px;
}
.tl-item{position:relative;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-43px;top:24px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--brand);
  box-shadow:0 0 0 4px rgba(37,224,176,.12);
  transition:box-shadow .22s var(--ease);
}
.tl-item.is-accent::before{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,122,61,.14);}
.tl-card{
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 24px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-item:hover .tl-card{transform:translateX(4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.tl-item:hover::before{box-shadow:0 0 0 6px rgba(37,224,176,.16);}
.tl-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:10px;}
.tl-date{font-size:13px;color:var(--text-3);letter-spacing:.5px;display:inline-flex;align-items:center;gap:7px;}
.tl-date i{font-size:11px;color:var(--text-3);}
.tl-title{font-size:18px;font-weight:600;color:var(--text-1);margin-bottom:8px;line-height:1.5;}
.tl-desc{font-size:15px;line-height:1.85;color:var(--text-2);}
.tl-list{margin-top:12px;padding-left:0;}
.tl-list li{
  position:relative;padding-left:18px;font-size:14.5px;line-height:1.8;color:var(--text-2);margin-bottom:8px;
}
.tl-list li:last-child{margin-bottom:0;}
.tl-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:rgba(37,224,176,.55);
}
.tl-note{
  margin-top:20px;font-size:13px;color:var(--text-3);line-height:1.75;
  display:flex;align-items:flex-start;gap:8px;
}
.tl-note i{margin-top:4px;color:var(--text-3);font-size:12px;}

/* ============ 标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--radius-tag);font-size:13px;line-height:1;font-weight:500;
  border:1px solid var(--line-strong);color:var(--brand);background:rgba(37,224,176,.07);
  white-space:nowrap;
}
.tag-warn{border-color:rgba(255,122,61,.42);color:#FF9A6B;background:rgba(255,122,61,.1);}
.tag-mute{border-color:rgba(120,200,190,.2);color:var(--text-2);background:rgba(120,200,190,.05);}

/* ============ 卡片网格 ============ */
.two-col{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.p-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;display:flex;flex-direction:column;gap:12px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.p-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.p-card-icon{
  width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(37,224,176,.09);border:1px solid var(--line-strong);color:var(--brand);font-size:16px;
}
.p-card h3{font-size:18px;font-weight:600;color:var(--text-1);line-height:1.5;}
.p-card p{font-size:15px;line-height:1.85;color:var(--text-2);}
.p-card .p-tip{font-size:13.5px;color:var(--text-3);line-height:1.75;padding-top:10px;border-top:1px solid var(--line);}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative;margin-top:8px;}
.step{
  position:relative;padding:0 28px 0 0;
}
.step:last-child{padding-right:0;}
.step-top{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.step-num{
  width:46px;height:46px;border-radius:50%;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);background:rgba(37,224,176,.08);
  color:var(--brand);font-size:16px;font-weight:700;
}
.step-line{flex:1;height:1px;background:linear-gradient(90deg,var(--line-strong),rgba(120,200,190,.08));}
.step:last-child .step-line{display:none;}
.step h3{font-size:17px;font-weight:600;color:var(--text-1);margin-bottom:8px;}
.step p{font-size:14.5px;line-height:1.85;color:var(--text-2);}

/* ============ 图文区块 ============ */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;}
.split-figure{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/11;background:var(--bg-2);
}
.split-figure img{width:100%;height:100%;object-fit:cover;opacity:.88;}
.split-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,14,21,.1),rgba(6,14,21,.55));
}
.split-figure .fig-tag{position:absolute;left:16px;top:16px;z-index:2;}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:16px;}
.check-list li{display:flex;gap:14px;align-items:flex-start;}
.check-ico{
  width:26px;height:26px;border-radius:8px;flex-shrink:0;margin-top:2px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(37,224,176,.1);border:1px solid var(--line-strong);color:var(--brand);font-size:12px;
}
.check-list strong{display:block;font-size:15.5px;color:var(--text-1);font-weight:600;margin-bottom:3px;}
.check-list span{font-size:14.5px;line-height:1.8;color:var(--text-2);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-2);margin-bottom:12px;overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item:hover{border-color:rgba(37,224,176,.24);}
.faq-item.open{border-color:var(--line-strong);background:#102434;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  min-height:56px;padding:15px 22px;background:transparent;border:none;cursor:pointer;
  color:var(--text-1);font-size:16px;font-weight:600;line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-dot{width:8px;height:8px;border-radius:50%;background:var(--text-3);flex-shrink:0;transition:background .2s var(--ease),box-shadow .2s var(--ease);}
.faq-item.open .faq-dot{background:var(--brand);box-shadow:0 0 0 4px rgba(37,224,176,.14);}
.faq-item.open .faq-q{color:var(--brand);}
.faq-q .faq-arrow{margin-left:auto;color:var(--text-3);font-size:12px;transition:transform .22s var(--ease),color .22s var(--ease);}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--brand);}
.faq-a{
  display:none;padding:0 22px 24px 44px;
  font-size:15.5px;line-height:1.85;color:var(--text-2);
}
.faq-item.open .faq-a{display:block;}

/* ============ CTA 玻璃条 ============ */
.cta-bar{
  background:var(--glass);border:1px solid var(--line-strong);
  border-radius:20px;padding:34px 38px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.cta-bar h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--text-1);line-height:1.4;margin-bottom:8px;}
.cta-bar p{font-size:14.5px;line-height:1.8;color:var(--text-2);max-width:52ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 更多分类 ============ */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.link-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;border-radius:var(--radius-card);
  background:var(--bg-2);border:1px solid var(--line);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.link-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);color:inherit;}
.link-card .lc-title{font-size:16px;font-weight:600;color:var(--text-1);margin-bottom:6px;}
.link-card .lc-desc{font-size:13.5px;line-height:1.7;color:var(--text-3);}
.link-card i{color:var(--brand);font-size:13px;flex-shrink:0;transition:transform .2s var(--ease);}
.link-card:hover i{transform:translateX(4px);}
.link-card:hover .lc-title{color:var(--brand);}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-3);margin-top:16px;max-width:34ch;}
.footer-brand .footer-kw{margin-top:14px;font-size:13px;color:var(--brand);letter-spacing:.4px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px;letter-spacing:.3px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14px;color:var(--text-3);}
.footer-col ul a:hover{color:var(--brand);}
.qr-box{
  width:104px;height:104px;border-radius:12px;
  border:1px dashed rgba(120,200,190,.3);background:rgba(15,33,48,.7);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:var(--text-3);line-height:1.6;margin-bottom:12px;
}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);line-height:1.7;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1120px){
  .main-nav{gap:16px;}
  .main-nav a{font-size:13.5px;}
  .header-actions .btn-ghost{display:none;}
}
@media screen and (max-width:1023px){
  .container{padding:0 24px;}
  .topbar-inner{padding:0 24px;}
  .topbar{display:none;}
  .main-nav{display:none;}
  .header-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .cat-hero{padding:44px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:2;}
  .hero-figure{aspect-ratio:16/9;}
  .split{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:1fr;gap:26px;}
  .step{padding-right:0;}
  .step-line{display:none;}
  .link-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero-float{position:relative;left:0;right:0;bottom:0;margin:-42px 16px 0;background:rgba(13,29,42,.94);backdrop-filter:none;-webkit-backdrop-filter:none;}
  .hero-figure{aspect-ratio:16/10;}
}
@media screen and (max-width:767px){
  .two-col{grid-template-columns:1fr;}
  .link-grid{grid-template-columns:1fr;}
  .timeline{padding-left:40px;}
  .timeline::before{left:13px;}
  .tl-item::before{left:-34px;top:22px;width:12px;height:12px;}
  .tl-card{padding:18px 18px;}
  .cta-bar{padding:26px 22px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .faq-a{padding:0 18px 20px 40px;}
  .faq-q{padding:14px 18px;font-size:15px;}
  .sec-head{margin-bottom:30px;}
}
@media screen and (max-width:639px){
  .container{padding:0 20px;}
  .header-inner{height:64px;}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:11.5px;}
  .cat-hero{padding:34px 0 44px;}
  .hero-title{font-size:clamp(26px,7vw,32px);}
  .hero-sub{font-size:15.5px;}
  .hero-desc{font-size:14.5px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .kpi-row{gap:0;flex-direction:column;}
  .kpi{flex:1 1 auto;border-right:none;border-bottom:1px solid var(--line);padding:12px 0;display:flex;align-items:baseline;justify-content:space-between;}
  .kpi:last-child{border-bottom:none;}
  .kpi-label{margin-top:0;}
  .section{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .tl-desc,.tl-list li{font-size:14px;}
  .p-card{padding:20px;}
  .split-figure{aspect-ratio:4/3;}
}

/* roulang page: category4 */
:root{
  --bg-0:#060E15;
  --bg-1:#0A1721;
  --bg-2:#0F2130;
  --line:rgba(120,200,190,.14);
  --line-strong:rgba(37,224,176,.32);
  --text-1:#EAF4F7;
  --text-2:#A6BCC6;
  --text-3:#6E8794;
  --brand:#25E0B0;
  --brand-deep:#0E8F7A;
  --accent:#FF7A3D;
  --danger:#FF5A5F;
  --glass:rgba(15,33,48,.55);
  --r-tag:8px;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --maxw:1240px;
  --dur:200ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-card:0 14px 40px -14px rgba(0,0,0,.65);
  --glow:0 0 0 1px rgba(37,224,176,.35),0 10px 30px -10px rgba(37,224,176,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  background-color:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(rgba(120,200,190,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,190,.045) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text-2);text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);}
a:hover{color:var(--brand);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.num{font-variant-numeric:tabular-nums;}
/* ---------- 顶部状态条 ---------- */
.topbar{
  border-bottom:1px solid var(--line);
  background:rgba(8,20,29,.9);
  font-size:13px;
  color:var(--text-3);
}
.topbar-inner{
  height:32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar .status-dot{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--brand);
}
.topbar .status-dot i{font-size:10px;}
.topbar .topbar-time{
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
  color:var(--text-2);
}
.topbar a{font-size:13px;}
/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:rgba(6,14,21,.88);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  color:var(--text-1);
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:11px;
  display:grid;
  place-items:center;
  font-size:18px;
  font-weight:700;
  color:#04140F;
  background:linear-gradient(135deg,var(--brand) 0%,#12A98C 100%);
  box-shadow:0 6px 18px -8px rgba(37,224,176,.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.2px;}
.brand-sub{font-size:12px;font-weight:500;color:var(--brand);letter-spacing:.4px;}
.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1 1 auto;
  min-width:0;
}
.main-nav a{
  position:relative;
  padding:9px 12px;
  font-size:14px;
  color:var(--text-2);
  border-radius:8px;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--brand);background:rgba(37,224,176,.06);}
.main-nav a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand);}
.main-nav a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),filter var(--dur) var(--ease);
}
.btn-primary{
  background:var(--brand);
  color:#04140F;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  color:#04140F;
  filter:brightness(1.08);
  transform:translateY(-1px);
}
.btn-primary:active{
  transform:translateY(1px);
  box-shadow:none;
}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--line-strong);
}
.btn-ghost:hover{
  color:var(--brand);
  background:rgba(37,224,176,.08);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-1);
  font-size:16px;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand);}
/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:24px 0 0;
  font-size:12.5px;
  color:var(--text-3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(110,135,148,.6);}
.breadcrumb .current{color:var(--text-2);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* ---------- 通用标签/徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-tag);
  border:1px solid var(--line-strong);
  background:rgba(37,224,176,.07);
  color:var(--brand);
  font-size:13px;
  line-height:1;
  white-space:nowrap;
}
.tag-accent{
  border-color:rgba(255,122,61,.4);
  background:rgba(255,122,61,.09);
  color:var(--accent);
}
.tag-plain{
  border-color:var(--line);
  background:rgba(120,200,190,.05);
  color:var(--text-2);
}
/* ---------- Hero ---------- */
.hero{
  padding:48px 0 72px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(520px 320px at 12% 8%,rgba(37,224,176,.12),transparent 70%),
    radial-gradient(560px 380px at 88% 72%,rgba(14,143,122,.16),transparent 72%);
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:clamp(30px,3.4vw,44px);
  line-height:1.24;
  letter-spacing:-.5px;
  font-weight:700;
  margin:18px 0 16px;
}
.hero-sub{
  font-size:17px;
  line-height:1.7;
  color:var(--text-1);
  font-weight:500;
}
.hero-desc{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  max-width:36em;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:36px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-stats .stat-label{
  display:block;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.3px;
}
.hero-stats .stat-value{
  display:block;
  margin-top:6px;
  font-size:20px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--text-1);
}
.hero-visual{
  position:relative;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  overflow:hidden;
  background:linear-gradient(135deg,var(--bg-2) 0%,#0A2A33 100%);
}
.hero-visual img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  opacity:.72;
}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,14,21,.25) 0%,rgba(6,14,21,.78) 100%);
  pointer-events:none;
}
.glass-card{
  position:absolute;
  left:18px;
  right:18px;
  bottom:18px;
  z-index:2;
  padding:16px 18px;
  border-radius:14px;
  background:rgba(15,33,48,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(120,200,190,.22);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.03);
}
.glass-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  margin-top:10px;
}
.glass-version{
  font-size:26px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
  line-height:1.1;
  color:var(--text-1);
}
.glass-version small{
  font-size:12px;
  font-weight:500;
  color:var(--text-3);
  margin-left:6px;
  letter-spacing:0;
}
.glass-hint{
  font-size:12.5px;
  color:var(--text-2);
  line-height:1.6;
  margin-top:8px;
}
.countdown{
  display:inline-flex;
  align-items:center;
  gap:3px;
  font-variant-numeric:tabular-nums;
  font-weight:700;
  font-size:20px;
  color:var(--accent);
  letter-spacing:.5px;
}
.countdown span{font-size:12px;font-weight:500;color:var(--text-3);margin-left:2px;}
/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section-alt{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(24px,2.4vw,30px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  max-width:52em;
}
.section-link{
  font-size:14px;
  color:var(--text-2);
  white-space:nowrap;
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.section-link:hover{border-bottom-color:var(--brand);}
/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:28px;
}
.chip{
  padding:8px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:transparent;
  color:var(--text-2);
  font-size:13.5px;
  line-height:1.2;
  cursor:pointer;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.chip:hover{color:var(--brand);border-color:var(--line-strong);}
.chip.is-active{
  background:var(--brand);
  border-color:var(--brand);
  color:#04140F;
  font-weight:600;
}
/* ---------- 矩阵网格 ---------- */
.matrix-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.mx-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.mx-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-card);
}
.mx-thumb{
  aspect-ratio:16 / 10;
  overflow:hidden;
  background:linear-gradient(135deg,#0A2A33 0%,var(--bg-2) 100%);
}
.mx-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.78;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.mx-card:hover .mx-thumb img{transform:scale(1.03);opacity:.92;}
.mx-body{
  padding:16px 16px 8px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.mx-body h3{
  margin:10px 0 6px;
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  transition:color var(--dur) var(--ease);
}
.mx-card:hover .mx-body h3{color:var(--brand);}
.mx-body p{
  font-size:13.5px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mx-link{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:8px;
  padding:12px 16px 16px;
  font-size:13px;
  color:var(--text-3);
}
.mx-link i{transition:transform var(--dur) var(--ease);}
.mx-card:hover .mx-link{color:var(--brand);}
.mx-card:hover .mx-link i{transform:translateX(3px);}
/* ---------- 版本记录 ---------- */
.ver-list{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--bg-2);
}
.ver-row{
  display:grid;
  grid-template-columns:0.9fr 1.2fr 0.9fr 2.4fr 0.9fr;
  gap:16px;
  padding:16px 22px;
  align-items:center;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
  transition:background-color var(--dur) var(--ease);
}
.ver-row:first-child{border-top:0;}
.ver-row:hover{background:rgba(37,224,176,.04);}
.ver-head{
  background:rgba(10,23,33,.9);
  font-size:12.5px;
  color:var(--text-3);
  letter-spacing:.3px;
  padding-top:12px;
  padding-bottom:12px;
}
.ver-head:hover{background:rgba(10,23,33,.9);}
.ver-no{
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--text-1);
  font-size:15px;
  letter-spacing:.3px;
}
.ver-note{line-height:1.7;}
.ver-date{font-variant-numeric:tabular-nums;color:var(--text-3);font-size:13px;}
.tip-line{
  margin-top:16px;
  font-size:12.5px;
  color:var(--text-3);
  line-height:1.7;
}
/* ---------- 步骤条 ---------- */
.steps{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  padding-top:8px;
}
.steps::before{
  content:"";
  position:absolute;
  top:30px;
  left:22px;
  right:22px;
  height:1px;
  background:repeating-linear-gradient(90deg,var(--line-strong) 0 8px,transparent 8px 18px);
}
.step{position:relative;z-index:1;}
.step-num{
  width:46px;
  height:46px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--brand);
  background:rgba(15,33,48,.96);
  border:1px solid var(--line-strong);
}
.step h3{
  margin:18px 0 8px;
  font-size:17px;
  font-weight:600;
}
.step p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
}
/* ---------- 系统要求 ---------- */
.req-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.req-card{
  padding:22px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.req-card:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.req-card .req-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:14px;
}
.req-card .req-title i{color:var(--brand);font-size:15px;}
.req-list li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:9px 0;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--text-2);
}
.req-list li:first-child{border-top:0;padding-top:0;}
.req-list li span:last-child{
  color:var(--text-1);
  font-variant-numeric:tabular-nums;
  font-weight:500;
  text-align:right;
}
/* ---------- FAQ ---------- */
.faq-list{max-width:920px;}
.faq-item{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--dur) var(--ease);
}
.faq-item[open]{border-color:var(--line-strong);}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:12px;
  min-height:56px;
  padding:14px 20px;
  font-size:15.5px;
  font-weight:600;
  color:var(--text-1);
  cursor:pointer;
  list-style:none;
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--text-3);
  flex:none;
  transition:background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.faq-item summary::after{
  content:"+";
  margin-left:auto;
  font-size:18px;
  font-weight:400;
  color:var(--text-3);
  line-height:1;
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::before{background:var(--brand);box-shadow:0 0 0 3px rgba(37,224,176,.16);}
.faq-item[open] summary::after{content:"−";color:var(--brand);}
.faq-answer{
  padding:0 20px 20px 52px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
/* ---------- 其他分类 ---------- */
.more-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.more-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:22px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.more-card:hover{
  border-color:var(--line-strong);
  transform:translateY(-2px);
  box-shadow:var(--shadow-card);
}
.more-card h3{
  font-size:16px;
  font-weight:600;
  color:var(--text-1);
  transition:color var(--dur) var(--ease);
}
.more-card:hover h3{color:var(--brand);}
.more-card p{font-size:13.5px;line-height:1.7;color:var(--text-2);}
.more-card .more-arrow{
  margin-top:auto;
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.more-card:hover .more-arrow{color:var(--brand);}
/* ---------- 结尾 CTA ---------- */
.cta-band{
  margin-top:48px;
  padding:32px;
  border-radius:18px;
  background:rgba(15,33,48,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line-strong);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-band h2{
  font-size:clamp(20px,2vw,24px);
  font-weight:700;
  line-height:1.4;
  letter-spacing:-.2px;
}
.cta-band p{
  margin-top:8px;
  font-size:14.5px;
  color:var(--text-2);
  max-width:42em;
}
.cta-band .cta-actions{
  display:flex;
  gap:12px;
  flex:none;
}
/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  padding-top:64px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-brand p{
  margin-top:16px;
  font-size:13.5px;
  line-height:1.8;
  color:var(--text-2);
  max-width:32em;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:16px;
  letter-spacing:.3px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:13.5px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--brand);}
.qr-box{
  width:118px;
  height:118px;
  border-radius:12px;
  border:1px dashed var(--line-strong);
  display:grid;
  place-items:center;
  font-size:12px;
  color:var(--text-3);
  text-align:center;
  line-height:1.6;
  background:rgba(15,33,48,.5);
  margin-bottom:12px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-3);
}
/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .main-nav a{padding:9px 9px;font-size:13.5px;}
  .header-inner{gap:16px;}
}
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .nav-toggle{display:inline-flex;}
  .main-nav{display:none;}
  .header-actions{display:none;}
  body.nav-open .main-nav{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    position:fixed;
    left:0;right:0;top:72px;bottom:0;
    padding:16px 20px 130px;
    overflow-y:auto;
    z-index:1000;
    background:rgba(6,14,21,.97);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border-top:1px solid var(--line);
  }
  body.nav-open .main-nav a{
    padding:15px 4px;
    font-size:16px;
    border-radius:0;
    border-bottom:1px solid var(--line);
    background:transparent;
  }
  body.nav-open .main-nav a::after{display:none;}
  body.nav-open .main-nav a.active{color:var(--brand);}
  body.nav-open .header-actions{
    display:flex;
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:1001;
    padding:16px 20px calc(16px + env(safe-area-inset-bottom));
    gap:10px;
    background:rgba(10,23,33,.97);
    border-top:1px solid var(--line);
  }
  body.nav-open .header-actions .btn{flex:1 1 0;justify-content:center;}
  .hero{padding:32px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{max-width:560px;}
  .section{padding:56px 0;}
  .matrix-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .req-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .more-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .steps::before{display:none;}
  .ver-row{grid-template-columns:0.9fr 1.1fr 0.9fr 2fr;gap:12px;}
  .ver-row > .ver-date{display:none;}
  .ver-head > .ver-date{display:none;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-grid .footer-col:last-child{grid-column:1 / -1;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{flex:1 1 0;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .topbar{display:none;}
  .header-inner{height:64px;}
  body.nav-open .main-nav{top:64px;}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:11.5px;}
  .breadcrumb{padding-top:18px;font-size:12px;}
  .breadcrumb .current{max-width:100%;}
  .hero{padding:24px 0 44px;}
  .hero h1{font-size:clamp(26px,7vw,34px);margin:14px 0 12px;}
  .hero-sub{font-size:15.5px;}
  .hero-desc{font-size:14px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
  .hero-stats .stat-value{font-size:16px;}
  .glass-card{left:12px;right:12px;bottom:12px;padding:14px;border-radius:12px;}
  .glass-version{font-size:22px;}
  .section{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
  .mx-body{padding:14px 14px 6px;}
  .mx-body h3{font-size:14.5px;}
  .mx-body p{font-size:12.5px;-webkit-line-clamp:3;}
  .mx-link{padding:10px 14px 14px;font-size:12px;}
  .req-grid{grid-template-columns:1fr;}
  .more-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:24px;}
  .ver-row{grid-template-columns:1fr;gap:6px;padding:16px 18px;}
  .ver-head{display:none;}
  .ver-row > .ver-cell{display:flex;gap:10px;align-items:baseline;}
  .ver-row > .ver-cell::before{
    content:attr(data-label);
    flex:none;
    width:58px;
    font-size:12px;
    color:var(--text-3);
  }
  .ver-row > .ver-date{display:flex;}
  .faq-answer{padding:0 18px 18px 40px;font-size:14.5px;}
  .faq-item summary{padding:14px 16px;font-size:14.5px;}
  .cta-band{padding:22px;border-radius:16px;}
  .cta-band .cta-actions{flex-direction:column;}
  .cta-band .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;padding-bottom:32px;}
  .footer-grid .footer-brand{grid-column:1 / -1;}
  .footer-grid .footer-col:last-child{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:420px){
  .matrix-grid{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr 1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category5 */
:root{
  --bg-0:#060E15;
  --bg-1:#0A1721;
  --bg-2:#0F2130;
  --line:rgba(120,200,190,.14);
  --line-strong:rgba(37,224,176,.32);
  --text-1:#EAF4F7;
  --text-2:#A6BCC6;
  --text-3:#6E8794;
  --brand:#25E0B0;
  --brand-deep:#0E8F7A;
  --accent:#FF7A3D;
  --danger:#FF5A5F;
  --glass:rgba(15,33,48,.55);
  --r-tag:8px;
  --r-card:16px;
  --r-img:14px;
  --r-btn:999px;
  --shadow-hover:0 14px 40px -14px rgba(0,0,0,.65);
  --glow:0 0 0 1px rgba(37,224,176,.35),0 10px 30px -10px rgba(37,224,176,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
button{font:inherit;color:inherit;}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.4px;color:var(--text-1);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
::selection{background:rgba(37,224,176,.28);color:#fff;}

/* ---------- Foundation 基础覆盖 ---------- */
body,h1,h2,h3,h4,h5,h6,p,li,a,span,input,button,label{font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;}
a{color:var(--text-2);}
a:hover,a:focus{color:var(--brand);}
.button,button.button{border-radius:var(--r-btn);}
hr{border:0;border-top:1px solid var(--line);}

/* ---------- 栅格覆盖 ---------- */
.grid-x{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:48px 32px;
  align-items:start;
}
.grid-x>.cell{width:auto;max-width:none;flex:none;padding:0;}
.grid-x>.cell.small-12{grid-column:span 12;}
.grid-x>.cell.small-6{grid-column:span 6;}
@media screen and (min-width:640px){
  .grid-x>.cell.medium-6{grid-column:span 6;}
  .grid-x>.cell.medium-4{grid-column:span 4;}
}
@media screen and (min-width:1024px){
  .grid-x>.cell.large-3{grid-column:span 3;}
  .grid-x>.cell.large-4{grid-column:span 4;}
  .grid-x>.cell.large-5{grid-column:span 5;}
  .grid-x>.cell.large-6{grid-column:span 6;}
  .grid-x>.cell.large-7{grid-column:span 7;}
  .grid-x>.cell.large-8{grid-column:span 8;}
  .grid-x>.cell.large-9{grid-column:span 9;}
}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 顶部状态条 ---------- */
.status-bar{
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.status-inner{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:34px;
  padding:4px 0;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:22px;
  padding:0 10px;
  border-radius:var(--r-tag);
  border:1px solid var(--line-strong);
  color:var(--brand);
  font-size:12px;
  line-height:1;
  white-space:nowrap;
}
.status-pill i{font-size:9px;}
.status-time{
  font-variant-numeric:tabular-nums;
  color:var(--text-2);
  letter-spacing:.02em;
}
.status-time strong{color:var(--text-1);font-weight:600;}
.status-link{margin-left:auto;font-size:13px;color:var(--text-3);display:inline-flex;align-items:center;gap:6px;}
.status-link:hover{color:var(--brand);}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,14,21,.88);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,#2BF0BE,#0E8F7A);
  color:#04231B;font-weight:800;font-size:18px;
  box-shadow:0 6px 18px -8px rgba(37,224,176,.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:-.2px;}
.brand-sub{font-size:12px;font-weight:500;color:var(--brand);letter-spacing:.04em;}
.brand:hover .brand-name{color:var(--brand);}
.main-nav{display:flex;align-items:center;gap:22px;font-size:14.5px;}
.main-nav a{
  position:relative;
  padding:6px 0;
  color:var(--text-2);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:2px;border-radius:2px;
  background:var(--brand);
  transition:width .22s var(--ease);
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after,.main-nav a.active::after{width:100%;}
.main-nav a.active{color:var(--brand);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(15,33,48,.6);
  color:var(--text-1);
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  font-size:14.5px;font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand);
  color:#04231B;
  box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-1px);color:#04231B;}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(37,224,176,.08);color:var(--brand);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 16px;font-size:13.5px;}
.btn-block{width:100%;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:20px 0 0;
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--text-3);opacity:.6;}
.breadcrumb .current{color:var(--text-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 通用标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;
  border-radius:var(--r-tag);
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--brand);
  font-size:13px;line-height:1;
  white-space:nowrap;
}
.tag-accent{border-color:rgba(255,122,61,.4);color:var(--accent);}
.tag-muted{border-color:var(--line);color:var(--text-3);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 72px;
  border-bottom:1px solid var(--line);
  background:var(--bg-0);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,200,190,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(120,200,190,.055) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  width:720px;height:720px;right:-220px;top:-320px;
  background:radial-gradient(circle,rgba(37,224,176,.16),transparent 62%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin-bottom:20px;
  font-size:13px;color:var(--brand);
  letter-spacing:.06em;
}
.hero-eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);opacity:.7;}
.page-hero h1{
  font-size:clamp(30px,4vw,44px);
  line-height:1.25;
  letter-spacing:-.6px;
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{
  font-size:16.5px;
  color:var(--text-2);
  max-width:560px;
  line-height:1.85;
  margin-bottom:28px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:40px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-stat .k{
  display:block;
  font-size:12.5px;
  color:var(--text-3);
  margin-bottom:4px;
  letter-spacing:.04em;
}
.hero-stat .v{
  font-size:20px;
  font-weight:700;
  color:var(--text-1);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.3px;
}
.hero-stat .v small{font-size:12.5px;color:var(--text-3);font-weight:500;margin-left:4px;}

.hero-visual{position:relative;}
.hero-figure{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg,#0A1721,#0E3B37);
  aspect-ratio:4/3;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;opacity:.9;}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,14,21,.15),rgba(6,14,21,.72));
}
.hero-float{
  position:absolute;
  left:20px;right:20px;bottom:20px;
  padding:16px 18px;
  border-radius:14px;
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(37,224,176,.22);
  z-index:3;
}
.hero-float .row1{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;}
.hero-float .hint{font-size:12.5px;color:var(--text-3);line-height:1.6;}
.countdown{
  display:inline-flex;align-items:baseline;gap:4px;
  font-variant-numeric:tabular-nums;
}
.countdown .num{
  display:inline-block;
  min-width:34px;
  padding:2px 6px;
  border-radius:7px;
  background:rgba(6,14,21,.7);
  border:1px solid var(--line);
  font-size:20px;font-weight:700;color:var(--brand);
  text-align:center;
  letter-spacing:.02em;
}
.countdown .unit{font-size:12px;color:var(--text-3);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:44px;max-width:720px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);letter-spacing:.08em;
  margin-bottom:14px;
}
.section-head .kicker::before{content:"";width:18px;height:1px;background:var(--brand);opacity:.7;}
.section-head h2{
  font-size:clamp(24px,2.6vw,31px);
  line-height:1.3;
  margin-bottom:14px;
}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* ---------- 词条区 ---------- */
.entry-layout{position:relative;}
.entry-side{
  position:sticky;
  top:96px;
}
.entry-side-title{
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.1em;
  margin-bottom:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.entry-index{position:relative;}
.entry-index::before{
  content:"";
  position:absolute;left:9px;top:8px;bottom:8px;
  width:1px;background:var(--line);
}
.entry-index li{position:relative;}
.entry-index a{
  display:flex;
  gap:14px;
  padding:10px 0 10px 0;
  font-size:14px;
  color:var(--text-2);
  line-height:1.55;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.entry-index .idx{
  flex:none;
  width:20px;height:20px;
  margin-top:1px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--bg-0);
  color:var(--text-3);
  font-size:11px;
  font-variant-numeric:tabular-nums;
  display:inline-flex;align-items:center;justify-content:center;
  position:relative;z-index:2;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.entry-index a:hover,.entry-index a.on{color:var(--brand);transform:translateX(3px);}
.entry-index a:hover .idx,.entry-index a.on .idx{border-color:var(--brand);color:var(--brand);background:rgba(37,224,176,.1);}
.entry-side-note{
  margin-top:24px;
  padding:14px 16px;
  border-radius:12px;
  border:1px dashed var(--line);
  font-size:13px;
  color:var(--text-3);
  line-height:1.75;
}

.entry-list{border-top:1px solid var(--line);}
.entry{
  padding:34px 0 32px;
  border-bottom:1px solid var(--line);
  scroll-margin-top:110px;
}
.entry-head{display:flex;gap:16px;align-items:flex-start;margin-bottom:14px;}
.entry-no{
  flex:none;
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  padding-top:5px;
  letter-spacing:.06em;
}
.entry h3{
  font-size:20px;
  line-height:1.45;
  letter-spacing:-.2px;
}
.entry-body{padding-left:36px;}
.entry-body p{color:var(--text-2);font-size:15.5px;line-height:1.88;}
.entry-body p + p{margin-top:12px;}
.entry-body strong{color:var(--text-1);font-weight:600;}
.entry-meta{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-top:16px;
}
.entry-meta .tag{font-weight:400;}

/* ---------- 检查清单 ---------- */
.check-wrap{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  align-items:center;
}
@media screen and (min-width:1024px){
  .check-wrap{grid-template-columns:1.05fr 1fr;gap:56px;}
}
.check-figure{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/11;
  background:linear-gradient(135deg,#0A1721,#0E3B37);
}
.check-figure img{width:100%;height:100%;object-fit:cover;}
.check-figure::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,14,21,.2),rgba(6,14,21,.62));
}
.check-caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;
  font-size:12.5px;
  color:var(--text-2);
  background:linear-gradient(180deg,transparent,rgba(6,14,21,.85));
  z-index:2;
}
.check-list{display:grid;gap:2px;}
.check-item{
  display:flex;
  gap:16px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.check-item:first-child{padding-top:0;}
.check-item:last-child{border-bottom:0;padding-bottom:0;}
.check-item .dot{
  flex:none;
  width:26px;height:26px;
  border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);
  color:var(--brand);
  font-size:12px;
  margin-top:2px;
}
.check-item h4{font-size:16px;margin-bottom:6px;letter-spacing:-.1px;}
.check-item p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ---------- 状态表格 ---------- */
.spec{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--bg-2);
}
.spec-row{
  display:grid;
  grid-template-columns:1.1fr .9fr 2fr;
  gap:16px;
  align-items:center;
  padding:18px 24px;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  transition:background .2s var(--ease);
}
.spec-row:last-child{border-bottom:0;}
.spec-row:hover{background:rgba(37,224,176,.035);}
.spec-head{
  background:rgba(6,14,21,.55);
  font-size:12.5px;
  color:var(--text-3);
  letter-spacing:.08em;
}
.spec-row .name{color:var(--text-1);font-weight:600;}
.spec-row .state{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:600;}
.spec-row .state.warn{color:var(--accent);}
.spec-row .state i{font-size:10px;}
.spec-row .desc{color:var(--text-2);line-height:1.7;}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin:0 auto;
  padding:40px 44px;
  border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line-strong);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band h2{font-size:clamp(21px,2.2vw,26px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15px;line-height:1.8;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none;}

/* ---------- 相关分类内链 ---------- */
.link-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media screen and (min-width:640px){.link-grid{grid-template-columns:1fr 1fr;}}
@media screen and (min-width:1024px){.link-grid{grid-template-columns:repeat(4,1fr);}}
.link-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:24px 22px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--bg-2);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.link-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover);
}
.link-card .num{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:.08em;}
.link-card h3{font-size:17px;line-height:1.45;}
.link-card:hover h3{color:var(--brand);}
.link-card p{font-size:13.5px;color:var(--text-3);line-height:1.7;}
.link-card .arrow{margin-top:auto;font-size:13px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:transform .22s var(--ease);}
.link-card:hover .arrow{transform:translateX(2px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  color:var(--text-3);
  line-height:1.85;
  max-width:340px;
}
.footer-col h4{
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.1em;
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--brand);}
.qr-box{
  width:104px;height:104px;
  border-radius:12px;
  border:1px dashed var(--line-strong);
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  font-size:12px;
  color:var(--text-3);
  line-height:1.6;
  background:rgba(15,33,48,.5);
  margin-bottom:12px;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:var(--text-3);
}

/* ---------- 移动端抽屉 ---------- */
@media screen and (max-width:1023px){
  .main-nav{
    position:fixed;
    inset:0;
    z-index:80;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:96px 24px 120px;
    background:rgba(6,14,21,.96);
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    transform:translateX(100%);
    opacity:0;
    pointer-events:none;
    transition:transform .26s var(--ease),opacity .26s var(--ease);
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);opacity:1;pointer-events:auto;}
  .main-nav a{
    width:100%;
    padding:16px 0;
    font-size:17px;
    border-bottom:1px solid var(--line);
  }
  .main-nav a::after{display:none;}
  .main-nav a.active{color:var(--brand);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .header-actions{display:none;}
  .header-inner{gap:16px;}
  .status-bar{display:none;}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .page-hero{padding:40px 0 56px;}
  .entry-side{position:static;margin-bottom:32px;}
  .entry-side-note{margin-top:18px;}
  .entry-index{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;}
  .entry-index::before{display:none;}
  .entry-index .idx{display:none;}
  .entry-index a{padding:8px 0;border-bottom:1px solid var(--line);}
  .entry-body{padding-left:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .spec-row{grid-template-columns:1fr 1fr;gap:8px 16px;padding:16px 20px;}
  .spec-row .desc{grid-column:span 2;}
  .spec-head{display:none;}
}
@media screen and (max-width:639px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .page-hero{padding:32px 0 44px;}
  .hero-stats{gap:24px;}
  .hero-stat .v{font-size:17px;}
  .hero-cta{margin-bottom:28px;}
  .hero-cta .btn{width:100%;}
  .entry-index{grid-template-columns:1fr;}
  .entry{padding:26px 0;}
  .entry h3{font-size:18px;}
  .entry-head{gap:10px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .qr-box{width:96px;height:96px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:26px 20px;}
  .link-card{padding:20px 18px;}
  .hero-float{left:12px;right:12px;bottom:12px;padding:12px 14px;}
  .countdown .num{font-size:17px;min-width:30px;}
}