/* roulang page: index */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(23,224,200,.28);
  --brand:#17E0C8;
  --brand-deep:#0E8F86;
  --accent:#FF7A2F;
  --gold:#F5C24C;
  --text-1:#EAF2FF;
  --text-2:#A9B7CC;
  --text-3:#6D7C93;
  --r-card:16px;
  --r-v:18px;
  --r-btn:999px;
  --r-img:14px;
  --sh-1:0 4px 20px -6px rgba(0,0,0,.6);
  --sh-hover:0 12px 32px -10px rgba(0,0,0,.7);
  --glow:0 0 0 1px rgba(23,224,200,.22),0 8px 30px -8px rgba(23,224,200,.30);
  --cta-glow:0 10px 28px -10px rgba(255,122,47,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-y:64px;
}
*,*::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-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
h1{font-size:clamp(30px,5.2vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em;color:var(--text-1);}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.25;font-weight:700;color:var(--text-1);}
h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--text-1);}
p{font-size:15.5px;line-height:1.85;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
@media(min-width:768px){.container{padding:0 32px;}}
@media(min-width:1280px){:root{--sec-y:96px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),background-color 200ms var(--ease),border-color 200ms var(--ease),color 200ms var(--ease);
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-primary{
  background:var(--accent);color:#1A0D03;
  box-shadow:var(--cta-glow);
}
.btn-primary:hover{transform:translateY(-2px);background:#FF8C4A;box-shadow:0 14px 34px -10px rgba(255,122,47,.68);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:rgba(23,224,200,.06);color:var(--brand);
  border:1px solid var(--line-strong);box-shadow:var(--glow);
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(23,224,200,.12);border-color:var(--brand);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;}
.btn-lg{min-height:56px;padding:0 40px;font-size:17px;}

/* ============ 玻璃 ============ */
.glass{
  background:rgba(12,20,34,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(9,15,26,.42);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background-color 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.site-header.is-solid{
  background:rgba(6,10,18,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.9);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(23,224,200,.22),rgba(23,224,200,.04));
  border:1px solid var(--line-strong);
  color:var(--brand);font-size:16px;font-weight:800;
}
.brand-text{color:var(--text-1);font-size:16px;font-weight:700;letter-spacing:.02em;}
.nav-links{display:none;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
  border-radius:10px;color:var(--text-2);font-size:14.5px;font-weight:500;
  transition:color 180ms var(--ease),background-color 180ms var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:42px;height:42px;border-radius:12px;display:none;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid transparent;
  transition:color 180ms var(--ease),border-color 180ms var(--ease),background-color 180ms var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(23,224,200,.06);}
.menu-btn{
  width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-1);
}
.menu-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.menu-bars{position:relative;width:18px;height:2px;background:currentColor;border-radius:2px;}
.menu-bars::before,.menu-bars::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;}
.menu-bars::before{top:-6px;}
.menu-bars::after{top:6px;}
.drawer{
  position:absolute;top:76px;left:16px;right:16px;border-radius:18px;padding:14px;
  box-shadow:0 24px 60px -20px rgba(0,0,0,.9);
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity 200ms var(--ease),transform 200ms var(--ease);
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;
  color:var(--text-2);font-size:15px;font-weight:500;
}
.drawer a:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.drawer a.is-active{color:var(--brand);background:rgba(23,224,200,.08);}
.drawer .drawer-cta{margin-top:10px;}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .icon-btn{display:inline-flex;}
  .menu-btn{display:none;}
  .drawer{display:none;}
}

/* ============ Hero ============ */
.hero{padding-top:112px;padding-bottom:var(--sec-y);position:relative;}
.hero::after{
  content:"";position:absolute;top:-160px;right:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,200,.16),transparent 68%);
  pointer-events:none;z-index:0;
}
.hero-grid{display:grid;gap:36px;align-items:center;}
.hero-copy{position:relative;z-index:1;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;margin-bottom:20px;
  border-radius:var(--r-btn);border:1px solid var(--line-strong);
  background:rgba(23,224,200,.06);color:var(--brand);font-size:13px;font-weight:600;
}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(23,224,200,.18);}
.hero-sub{margin-top:18px;max-width:600px;font-size:16.5px;color:var(--text-2);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;
  border-radius:var(--r-btn);border:1px solid var(--line);background:var(--bg-1);
  color:var(--text-2);font-size:13px;
}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:block;}
.hero-visual{position:relative;z-index:1;display:flex;justify-content:center;}
.v-card{
  position:relative;width:78vw;max-width:340px;aspect-ratio:9/16;
  border-radius:var(--r-v);overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--glow),0 30px 70px -30px rgba(0,0,0,.95);
  background:var(--bg-2);
}
.v-card img{width:100%;height:100%;object-fit:cover;}
.v-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.36) 0%,rgba(6,10,18,.15) 42%,rgba(6,10,18,.92) 100%);
}
.v-badge{
  position:absolute;top:14px;right:14px;z-index:2;
  height:28px;padding:0 12px;display:inline-flex;align-items:center;
  border-radius:var(--r-btn);background:rgba(255,122,47,.92);color:#1A0D03;
  font-size:12px;font-weight:700;
}
.v-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;
  width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(12,20,34,.6);border:1px solid rgba(255,255,255,.28);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  color:#fff;transition:transform 220ms var(--ease),background-color 220ms var(--ease);
}
.v-card:hover .v-play{transform:translate(-50%,-50%) scale(1.08);background:rgba(23,224,200,.35);}
.v-info{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:18px;}
.v-info h3{font-size:17px;line-height:1.4;color:#fff;}
.v-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.v-tag{
  height:26px;padding:0 10px;display:inline-flex;align-items:center;border-radius:8px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);
  color:#E6EFFA;font-size:12px;
}
@media(min-width:768px){
  .hero{padding-top:132px;}
  .hero-grid{grid-template-columns:1fr .82fr;gap:48px;}
  .v-card{width:100%;max-width:360px;}
}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:1.12fr .88fr;gap:64px;}
}

/* ============ 板块 ============ */
.section{padding-block:var(--sec-y);}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:28px;}
.section-head .kicker{
  display:inline-block;margin-bottom:12px;color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
}
.section-head h2{margin-bottom:10px;}
.section-head p{max-width:660px;color:var(--text-2);}
.section-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.section-top-line{height:2px;width:56px;border-radius:2px;background:var(--brand);margin-bottom:18px;}

/* ============ 特性条 ============ */
.feature-strip{display:grid;gap:14px;}
.feature-item{
  padding:20px;border-radius:var(--r-card);background:var(--bg-2);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.feature-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-hover);}
.feature-item h3{font-size:16px;margin-bottom:8px;}
.feature-item p{font-size:14px;color:var(--text-2);}
.feature-ico{
  width:38px;height:38px;border-radius:11px;margin-bottom:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(23,224,200,.08);border:1px solid var(--line-strong);
  color:var(--brand);font-size:15px;font-weight:700;
}
@media(min-width:640px){.feature-strip{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.feature-strip{grid-template-columns:repeat(4,1fr);gap:18px;}}

/* ============ 竖屏片段卡 ============ */
.v-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.v-tile{
  border-radius:var(--r-v);overflow:hidden;background:var(--bg-2);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.v-tile:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-hover);}
.v-tile-media{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--bg-1);}
.v-tile-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.v-tile:hover .v-tile-media img{transform:scale(1.05);}
.v-tile-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.05) 30%,rgba(6,10,18,.88) 100%);
}
.tile-badge{
  position:absolute;top:10px;left:10px;z-index:2;height:24px;padding:0 10px;
  display:inline-flex;align-items:center;border-radius:var(--r-btn);
  background:rgba(12,20,34,.72);border:1px solid var(--line-strong);
  color:var(--brand);font-size:11.5px;font-weight:600;
}
.tile-meta{
  position:absolute;top:10px;right:10px;z-index:2;height:24px;padding:0 10px;
  display:inline-flex;align-items:center;border-radius:var(--r-btn);
  background:rgba(6,10,18,.7);color:var(--text-2);font-size:11.5px;
}
.tile-title{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding:12px;
  color:#fff;font-size:14px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tile-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;font-size:12.5px;color:var(--text-3);
}
.tile-foot .link{color:var(--brand);font-weight:600;}
@media(min-width:768px){.v-grid{grid-template-columns:repeat(3,1fr);gap:20px;}}
@media(min-width:1200px){.v-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}

/* ============ 种草清单 ============ */
.pick-grid{display:grid;gap:24px;}
.pick-col{display:flex;flex-direction:column;}
.pick-item{
  display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--line);
  transition:background-color 180ms var(--ease),padding-left 180ms var(--ease),border-color 180ms var(--ease);
}
.pick-item:hover{background:rgba(255,255,255,.03);padding-left:10px;border-left:2px solid var(--brand);}
.list-num{
  font-size:26px;font-weight:800;line-height:1;color:var(--brand);
  font-variant-numeric:tabular-nums;opacity:.9;min-width:40px;
}
.pick-body h3{font-size:16px;margin-bottom:4px;}
.pick-body p{font-size:13.5px;color:var(--text-3);line-height:1.7;}
.pick-thumb{
  width:84px;aspect-ratio:4/3;border-radius:var(--r-img);overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);flex-shrink:0;
}
.pick-thumb img{width:100%;height:100%;object-fit:cover;}
.pick-note{
  margin-top:20px;padding:20px;border-radius:var(--r-card);
  background:var(--bg-2);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.pick-note h3{font-size:16px;margin-bottom:10px;}
.pick-note ul{display:grid;gap:8px;}
.pick-note li{font-size:14px;color:var(--text-2);padding-left:16px;position:relative;}
.pick-note li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
@media(min-width:768px){
  .pick-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}

/* ============ 最新信息 ============ */
.news-grid{display:grid;gap:18px;}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--r-card);overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-hover);}
.news-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-1);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-badge{
  position:absolute;top:10px;left:10px;height:24px;padding:0 10px;
  display:inline-flex;align-items:center;border-radius:var(--r-btn);
  background:rgba(12,20,34,.78);border:1px solid var(--line-strong);
  color:var(--brand);font-size:11.5px;font-weight:600;
}
.news-body{padding:18px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:16.5px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a{transition:color 180ms var(--ease);}
.news-body h3 a:hover{color:var(--brand);}
.news-sum{
  font-size:13.8px;color:var(--text-3);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}
.news-foot .link{color:var(--brand);font-weight:600;transition:opacity 180ms var(--ease);}
.news-foot .link:hover{opacity:.78;}
.news-empty{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border-radius:var(--r-card);border:1px dashed var(--line-strong);background:var(--bg-2);text-align:center;padding:24px;
}
.news-empty p{color:var(--text-3);font-size:14px;}
.news-more{display:flex;justify-content:center;margin-top:32px;}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:22px;}}

/* ============ 横滑场景条 ============ */
.scroll-row{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:8px;margin:0 -20px;padding-left:20px;padding-right:20px;
  scrollbar-width:thin;
}
.scroll-row > *{scroll-snap-align:start;flex:0 0 82%;}
.scroll-row::-webkit-scrollbar{height:6px;}
.scroll-row::-webkit-scrollbar-thumb{background:rgba(23,224,200,.35);border-radius:6px;}
.scene-card{
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
}
.scene-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.scene-avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(23,224,200,.10);border:1px solid var(--line-strong);
  color:var(--brand);font-size:14px;font-weight:700;
}
.scene-name{color:var(--text-1);font-size:14.5px;font-weight:600;}
.scene-role{color:var(--text-3);font-size:12px;}
.scene-stars{display:flex;gap:3px;margin-bottom:12px;}
.scene-stars span{width:8px;height:8px;border-radius:2px;background:var(--gold);display:block;}
.scene-stars span.off{background:rgba(255,255,255,.14);}
.scene-card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.scene-tags span{
  height:24px;padding:0 10px;display:inline-flex;align-items:center;border-radius:8px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text-3);font-size:11.5px;
}
@media(min-width:768px){
  .scroll-row{margin:0;padding-left:0;padding-right:0;overflow:visible;}
  .scroll-row > *{flex:1 1 0;min-width:0;}
  .scroll-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
}

/* ============ CTA 区 ============ */
.cta-band{
  border-radius:24px;padding:40px 24px;text-align:center;
  background:rgba(23,224,200,.06);
  border:1px solid var(--line-strong);
  box-shadow:0 24px 60px -40px rgba(23,224,200,.6);
}
.cta-band h2{margin-bottom:12px;}
.cta-band .cta-sub{max-width:560px;margin:0 auto 26px;color:var(--text-2);font-size:15.5px;}
.cta-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:26px;}
.cta-badge{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;
  border-radius:var(--r-btn);background:rgba(6,10,18,.5);border:1px solid var(--line);
  color:var(--text-2);font-size:13px;
}
.cta-badge i{width:7px;height:7px;border-radius:50%;background:var(--brand);display:block;}
@media(min-width:768px){.cta-band{padding:56px 48px;}}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:18px 0;text-align:left;
  color:var(--text-1);font-size:16px;font-weight:600;line-height:1.6;
}
.faq-q:hover{color:var(--brand);}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
.faq-ico{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);color:var(--brand);
  transition:transform 220ms var(--ease),background-color 220ms var(--ease);
}
.faq-item.is-open .faq-ico{transform:rotate(180deg);background:rgba(23,224,200,.12);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 260ms var(--ease);
}
.faq-a p{padding:0 0 22px;font-size:15px;color:var(--text-2);max-width:720px;}
.faq-item.is-open .faq-a{max-height:320px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-1);border-top:1px solid var(--line);
  padding-top:56px;padding-bottom:calc(28px + env(safe-area-inset-bottom));
  margin-top:0;
}
.footer-grid{display:grid;gap:32px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:13.8px;color:var(--text-3);line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);transition:color 180ms var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-col p{font-size:13.8px;color:var(--text-3);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}}

/* ============ 移动吸底条 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:56px;padding:0 16px calc(0px + env(safe-area-inset-bottom));
  display:flex;align-items:center;gap:12px;
  background:rgba(12,20,34,.78);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-top:1px solid rgba(255,255,255,.10);
}
.mobile-bar span{font-size:13px;color:var(--text-2);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.mobile-bar .btn{min-height:40px;padding:0 18px;font-size:14px;}
body{padding-bottom:56px;}
@media(min-width:1024px){
  .mobile-bar{display:none;}
  body{padding-bottom:0;}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(23,224,200,.28);
  --brand:#17E0C8;
  --brand-deep:#0E8F86;
  --accent:#FF7A2F;
  --gold:#F5C24C;
  --text-1:#EAF2FF;
  --text-2:#A9B7CC;
  --text-3:#6D7C93;
  --danger:#FF6B6B;
  --r-card:16px;
  --r-v:18px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-card:0 4px 20px -6px rgba(0,0,0,.6);
  --shadow-hover:0 12px 32px -10px rgba(0,0,0,.7);
  --glow-line:0 0 0 1px rgba(23,224,200,.22),0 8px 30px -8px rgba(23,224,200,.30);
  --glow-accent:0 10px 28px -10px rgba(255,122,47,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::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-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(23,224,200,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,224,200,.055) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.55;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(23,224,200,.28);color:var(--text-1);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
@media (min-width:768px){.container{padding:0 32px;}}

/* ============ Header ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(12,20,34,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.9);
  transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-solid{
  background:rgba(6,10,18,.92);
  border-bottom-color:rgba(23,224,200,.16);
  box-shadow:0 12px 34px -20px rgba(0,0,0,1);
}
.nav-inner{display:flex;align-items:center;gap:16px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:rgba(23,224,200,.12);
  border:1px solid var(--line-strong);
  color:var(--brand);
  font-weight:800;font-size:16px;
  box-shadow:var(--glow-line);
}
.brand-text{
  color:var(--text-1);font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
}
.brand:hover .brand-text{color:var(--brand);}
.nav-links{display:none;align-items:center;gap:2px;margin:0 auto;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:14px;
  color:var(--text-2);
  border-radius:8px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 12px rgba(23,224,200,.6);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
@media (min-width:1024px){.nav-actions{margin-left:0;}}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  background:rgba(17,28,46,.7);
  color:var(--text-2);
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-strong);transform:translateY(-2px);}
.icon-btn:active{transform:scale(.98);}
.menu-btn{display:grid;}
@media (min-width:1024px){.menu-btn{display:none;}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--bg-0);box-shadow:var(--glow-accent);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -10px rgba(255,122,47,.75);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:rgba(23,224,200,.06);
  border-color:var(--line-strong);
  color:var(--brand);
}
.btn-ghost:hover{background:rgba(23,224,200,.13);color:var(--text-1);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-lg{min-height:54px;padding:0 34px;font-size:16px;}

/* ============ Drawer ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:118;
  background:rgba(4,7,13,.66);
  -webkit-backdrop-filter:blur(4px);
  backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:120;
  width:min(84vw,340px);
  padding:22px 20px;
  background:rgba(12,20,34,.86);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-title{color:var(--text-1);font-size:15px;font-weight:700;}
.drawer-nav{display:grid;gap:6px;}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:12px;
  color:var(--text-2);font-size:15px;
  border:1px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.drawer-nav a.is-active{color:var(--brand);border-color:var(--line-strong);background:rgba(23,224,200,.08);}
.drawer-cta{margin-top:22px;display:grid;gap:10px;}

/* ============ Page head ============ */
main{position:relative;z-index:1;}
.page-head{position:relative;padding:104px 0 0;overflow:hidden;}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.20;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 88%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 88%);
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 320px at 16% 0%,rgba(23,224,200,.16),transparent 70%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);padding-top:22px;
}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--text-3);}
.cat-head{position:relative;z-index:2;padding:26px 0 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);opacity:.7;}
h1.cat-title{
  font-size:clamp(30px,5.2vw,52px);
  line-height:1.15;font-weight:800;letter-spacing:-.01em;
  color:var(--text-1);
  max-width:920px;
}
.cat-sub{max-width:760px;margin-top:18px;font-size:16px;color:var(--text-2);}
.cat-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  font-size:13px;
  color:var(--text-2);
  background:var(--bg-2);
  border:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.pill strong{color:var(--text-1);font-weight:700;}
.pill.brand{color:var(--brand);border-color:var(--line-strong);background:rgba(23,224,200,.08);}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  padding:9px 17px;border-radius:999px;
  font-size:13.5px;color:var(--text-2);
  background:var(--bg-2);border:1px solid var(--line);
  transition:all .2s var(--ease);
}
.chip:hover{color:var(--text-1);border-color:rgba(23,224,200,.22);transform:translateY(-2px);}
.chip.is-on{color:var(--brand);border-color:var(--line-strong);background:rgba(23,224,200,.09);}

/* ============ Sections ============ */
.sec{padding:64px 0;position:relative;}
@media (min-width:768px){.sec{padding:88px 0;}}
.sec-head{max-width:760px;}
.sec-head h2{
  font-size:clamp(24px,3.4vw,34px);
  line-height:1.25;font-weight:700;
  color:var(--text-1);
}
.sec-head p{margin-top:14px;font-size:15.5px;color:var(--text-2);}
.sec-head.center{margin:0 auto;text-align:center;}

/* 三步核对 */
.steps{
  display:grid;gap:16px;
  grid-template-columns:1fr;
  margin-top:34px;
}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:20px;}}
.step{
  position:relative;
  padding:24px 22px;
  border-radius:var(--r-card);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  overflow:hidden;
}
.step::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),transparent);
  opacity:.75;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.step-no{
  font-size:30px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1;
}
.step h3{margin-top:14px;font-size:18px;font-weight:600;color:var(--text-1);}
.step p{margin-top:10px;font-size:14.5px;color:var(--text-2);}

/* 竖屏卡栅格 */
.v-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  margin-top:38px;
}
@media (min-width:768px){.v-grid{grid-template-columns:repeat(3,1fr);gap:20px;}}
@media (min-width:1200px){.v-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.v-card{
  position:relative;
  display:block;
  aspect-ratio:9 / 16;
  border-radius:var(--r-v);
  overflow:hidden;
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.v-card img{
  width:100%;height:100%;object-fit:cover;
  opacity:.85;
  transition:transform .5s var(--ease);
}
.v-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(6,10,18,.95) 10%,rgba(6,10,18,.42) 48%,rgba(6,10,18,.05) 100%);
}
.v-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.v-card:hover img{transform:scale(1.05);}
.v-top{
  position:absolute;top:12px;left:12px;right:12px;
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  z-index:3;
}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:8px;
  font-size:11.5px;font-weight:600;
  background:rgba(6,10,18,.62);
  border:1px solid var(--line-strong);
  color:var(--brand);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.badge.accent{border-color:rgba(255,122,47,.4);color:var(--accent);}
.duration{
  font-size:12px;color:var(--text-1);
  padding:4px 9px;border-radius:8px;
  background:rgba(6,10,18,.62);
  border:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.play-dot{
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(6,10,18,.5);
  border:1px solid rgba(23,224,200,.42);
  z-index:3;
  transition:transform .25s var(--ease),background .25s var(--ease);
  color:var(--brand);
}
.v-card:hover .play-dot{transform:translate(-50%,-50%) scale(1.12);background:rgba(255,122,47,.24);color:var(--text-1);}
.v-body{position:absolute;left:0;right:0;bottom:0;padding:14px;z-index:3;}
.v-body h3{
  font-size:15px;font-weight:600;line-height:1.42;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.v-meta{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  margin-top:9px;font-size:12px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.v-meta span:last-child{color:var(--brand);}

/* 更多 */
.more-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:44px;}
.more-hint{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}

/* FAQ */
.faq-list{max-width:820px;margin:34px auto 0;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:22px 0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q .arrow{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  color:var(--brand);font-size:13px;
  transition:transform .28s var(--ease),border-color .28s var(--ease);
}
.faq-item.is-open .arrow{transform:rotate(180deg);border-color:var(--line-strong);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a p{
  padding:0 0 22px;
  font-size:15px;color:var(--text-2);
  max-width:720px;
}
.faq-item.is-open .faq-a{max-height:340px;}

/* CTA */
.cta-panel{
  margin-top:24px;
  padding:46px 24px;
  border-radius:20px;
  background:rgba(23,224,200,.06);
  border:1px solid var(--line-strong);
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;top:-120px;left:50%;transform:translateX(-50%);
  width:420px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,200,.22),transparent 70%);
  pointer-events:none;
}
.cta-panel h2{
  position:relative;
  font-size:clamp(24px,3.4vw,34px);
  line-height:1.25;font-weight:700;color:var(--text-1);
}
.cta-panel p{position:relative;margin-top:14px;font-size:15.5px;color:var(--text-2);}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px;}
.protect{
  position:relative;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;
  margin-top:28px;padding-top:26px;border-top:1px solid var(--line);
}
.protect-item{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);}
.protect-item i{
  width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  background:rgba(23,224,200,.12);border:1px solid var(--line-strong);
  color:var(--brand);font-size:11px;font-style:normal;font-weight:700;
}

/* ============ Footer ============ */
.site-footer{
  margin-top:64px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  position:relative;z-index:1;
}
.footer-grid{
  display:grid;gap:32px;
  grid-template-columns:1fr;
  padding:56px 0 34px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:340px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col li a{font-size:14px;color:var(--text-2);}
.footer-col li a:hover{color:var(--brand);}
.footer-col p{font-size:13.5px;color:var(--text-3);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

/* 移动吸底条 */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:56px;
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:rgba(12,20,34,.62);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-top:1px solid var(--line);
}
.sticky-bar .sticky-text{font-size:13px;color:var(--text-2);}
@media (min-width:768px){.sticky-bar{display:none;}}
@media (max-width:767px){body{padding-bottom:76px;}}

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

/* roulang page: article */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(23,224,200,.28);
  --brand:#17E0C8;
  --brand-deep:#0E8F86;
  --accent:#FF7A2F;
  --gold:#F5C24C;
  --text-1:#EAF2FF;
  --text-2:#A9B7CC;
  --text-3:#6D7C93;
  --r-card:16px;
  --r-v:18px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-1:0 4px 20px -6px rgba(0,0,0,.6);
  --shadow-2:0 12px 32px -10px rgba(0,0,0,.7);
  --glow:0 0 0 1px rgba(23,224,200,.22),0 8px 30px -8px rgba(23,224,200,.30);
  --glow-accent:0 10px 28px -10px rgba(255,122,47,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::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-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(rgba(255,255,255,.024) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.024) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
  background-position:center top;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--text-1);margin:0;line-height:1.25;letter-spacing:-.01em;}
p{margin:0 0 1em;line-height:1.85;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
li{margin:0 0 .5em;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(23,224,200,.28);color:var(--text-1);}

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

.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 复合类 ---------- */
.glass{
  background:rgba(12,20,34,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.09);
}
.glow-btn{
  box-shadow:var(--glow-accent);
}
.v-card{
  position:relative;
  border-radius:var(--r-v);
  overflow:hidden;
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.v-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.list-num{
  font-variant-numeric:tabular-nums;
  font-size:34px;
  font-weight:800;
  line-height:1;
  color:var(--brand);
  letter-spacing:-.02em;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);
  color:#1B0C02;
  box-shadow:var(--glow-accent);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -10px rgba(255,122,47,.75);filter:brightness(1.08);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:transparent;
  color:var(--text-1);
  border-color:rgba(255,255,255,.18);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--glow);}
.btn-ghost:active{transform:scale(.98);}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);cursor:not-allowed;}

/* ---------- 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  background:rgba(23,224,200,.10);
  color:var(--brand);
  border:1px solid rgba(23,224,200,.24);
}
.badge-accent{background:rgba(255,122,47,.14);color:var(--accent);border-color:rgba(255,122,47,.32);}
.badge-gold{background:rgba(245,194,76,.14);color:var(--gold);border-color:rgba(245,194,76,.32);}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(17,28,46,.7);
  font-size:13px;
  color:var(--text-2);
}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:60;
  transition:background-color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  background:rgba(12,20,34,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.92);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.9);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--text-1);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  font-size:16px;font-weight:800;color:#04211E;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  box-shadow:0 6px 18px -8px rgba(23,224,200,.8);
}
.brand-text{font-size:16px;letter-spacing:.01em;}
.nav-links{display:none;align-items:center;gap:26px;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text-1);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(17,28,46,.65);
  color:var(--text-2);
  cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-strong);transform:translateY(-2px);}
.nav-cta{display:none;}
.menu-toggle{display:grid;}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .nav-cta{display:inline-flex;}
  .menu-toggle{display:none;}
}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:68px 0 0 0;
  z-index:55;
  background:rgba(6,10,18,.96);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  padding:24px 20px 40px;
  display:flex;
  flex-direction:column;
  gap:6px;
  transform:translateY(-8px);
  opacity:0;
  pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(17,28,46,.6);
  color:var(--text-1);
  font-size:15px;
}
.drawer a:hover{border-color:var(--line-strong);color:var(--brand);}
@media (min-width:1024px){.drawer{display:none;}}

/* ---------- 主体 ---------- */
main{padding-top:68px;}
section{scroll-margin-top:92px;}
.section{padding:64px 0;}
@media (min-width:768px){.section{padding:88px 0;}}
.section-head{margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,3.4vw,34px);font-weight:700;}
.section-head p{margin:10px 0 0;color:var(--text-3);font-size:14px;max-width:640px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  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{opacity:.5;}
.breadcrumb .current{
  color:var(--text-3);
  max-width:min(520px,60vw);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ---------- 文章头 ---------- */
.article-hero{padding:28px 0 0;}
.article-hero .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);font-weight:600;
  margin-bottom:14px;
}
.article-hero .kicker::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--brand);
}
.article-title{
  font-size:clamp(28px,4.6vw,46px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
  max-width:900px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 16px;
  margin-top:18px;
  font-size:13px;
  color:var(--text-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6;}
.article-meta .chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(17,28,46,.7);
  color:var(--text-2);
  font-size:12px;
}
.cover-wrap{
  margin-top:28px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--bg-2);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.cover-wrap img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.cover-wrap figcaption{font-size:13px;color:var(--text-3);padding:10px 16px;border-top:1px solid var(--line);}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-top:36px;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) minmax(0,1fr);gap:48px;align-items:start;}
}
.article-body{
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:var(--text-2);
  overflow-wrap:break-word;
}
.article-body h2{
  font-size:clamp(21px,2.6vw,27px);
  font-weight:700;
  margin:2em 0 .7em;
  padding-top:.2em;
}
.article-body h3{
  font-size:19px;
  font-weight:600;
  margin:1.7em 0 .6em;
}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0;}
.article-body p{margin:0 0 1em;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(23,224,200,.35);}
.article-body a:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep);}
.article-body strong{color:var(--text-1);font-weight:600;}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.2em;}
.article-body li{margin:0 0 .55em;}
.article-body ul li::marker{color:var(--brand);}
.article-body ol li::marker{color:var(--brand);font-variant-numeric:tabular-nums;font-weight:600;}
.article-body blockquote{
  margin:1.6em 0;
  padding:16px 20px;
  background:var(--bg-2);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  margin:1.6em 0;
  border-radius:var(--r-img);
  border:1px solid var(--line);
  background:var(--bg-2);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);margin-top:8px;text-align:center;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:14px;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
}
.article-body th,.article-body td{
  padding:10px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.article-body th{background:var(--bg-2);color:var(--text-1);font-weight:600;}
.article-body tr:last-child td{border-bottom:none;}
.article-body code{
  background:rgba(23,224,200,.10);
  color:var(--brand);
  padding:2px 6px;
  border-radius:6px;
  font-size:14px;
}

/* 空态 */
.empty-state{
  border:1px dashed rgba(255,255,255,.14);
  background:var(--bg-1);
  border-radius:var(--r-card);
  padding:40px 24px;
  text-align:center;
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 14px;
  border-radius:14px;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  color:var(--brand);
  background:rgba(23,224,200,.06);
}
.empty-state h2{font-size:20px;font-weight:600;margin-bottom:8px;}
.empty-state p{color:var(--text-3);margin-bottom:18px;}

/* 侧栏 */
.side-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--shadow-1);
}
.side-card + .side-card{margin-top:20px;}
.side-card h3{font-size:16px;font-weight:600;margin-bottom:12px;}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{
  border-bottom:1px solid var(--line);
  padding:10px 0;
  margin:0;
  font-size:14px;
}
.side-list li:last-child{border-bottom:none;}
.side-list a{color:var(--text-2);}
.side-list a:hover{color:var(--brand);}
.side-list .meta{display:block;font-size:12px;color:var(--text-3);margin-top:4px;}

/* ---------- 标签行 ---------- */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:32px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.tag-row .label{font-size:13px;color:var(--text-3);}
.tag{
  display:inline-flex;align-items:center;
  min-height:32px;
  padding:4px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--bg-2);
  color:var(--text-2);
  font-size:13px;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{color:var(--brand);border-color:var(--line-strong);transform:translateY(-2px);}

/* ---------- 上下篇 ---------- */
.post-nav{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
  margin-top:24px;
}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr;}}
.post-nav a{
  display:block;
  padding:16px 18px;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--bg-1);
  transition:border-color .2s var(--ease),transform .2s var(--ease),background-color .2s var(--ease);
}
.post-nav a:hover{border-color:var(--line-strong);transform:translateY(-2px);background:var(--bg-2);}
.post-nav .label{font-size:12px;color:var(--text-3);display:block;margin-bottom:6px;}
.post-nav .text{font-size:15px;color:var(--text-1);font-weight:600;}

/* ---------- 相关推荐 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(1,minmax(0,1fr));
  gap:20px;
}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.c-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;
  flex-direction:column;
}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.c-card .thumb{position:relative;background:var(--bg-1);border-bottom:1px solid var(--line);}
.c-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.c-card .thumb .badge{position:absolute;left:12px;top:12px;}
.c-card .body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.c-card h3{
  font-size:17px;
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.c-card p{
  font-size:14px;
  color:var(--text-3);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.c-card .foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.c-card .more{color:var(--brand);font-weight:600;}
.c-card:hover .more{color:var(--accent);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0;
  background:none;
  border:none;
  cursor:pointer;
  text-align:left;
  color:var(--text-1);
  font-size:16px;
  font-weight:600;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q .chev{
  flex:none;
  width:26px;height:26px;
  border-radius:8px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  color:var(--brand);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);border-color:var(--line-strong);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease),opacity .28s var(--ease);
  opacity:0;
}
.faq-item.is-open .faq-a{max-height:420px;opacity:1;}
.faq-a p{padding:0 0 20px;margin:0;font-size:15px;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-panel{
  border-radius:var(--r-card);
  border:1px solid var(--line-strong);
  background:rgba(23,224,200,.06);
  padding:40px 24px;
  text-align:center;
  box-shadow:var(--glow);
}
.cta-panel h2{font-size:clamp(22px,3vw,30px);font-weight:700;margin-bottom:12px;}
.cta-panel p{color:var(--text-2);max-width:560px;margin:0 auto 24px;}
.cta-badges{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:12px;
  margin-top:22px;
}
.cta-badges .pill{font-size:13px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--text-3);margin:0;max-width:320px;}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin:0 0 10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--brand);}
.footer-col p{font-size:13px;color:var(--text-3);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 移动吸底 ---------- */
.mobile-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:58;
  height:56px;
  padding:0 16px calc(env(safe-area-inset-bottom,0px));
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  background:rgba(12,20,34,.78);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-top:1px solid var(--line);
}
.mobile-cta span{font-size:13px;color:var(--text-2);}
@media (min-width:1024px){.mobile-cta{display:none;}}
@media (max-width:1023px){body{padding-bottom:56px;}}

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

/* roulang page: category3 */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(23,224,200,.28);
  --brand:#17E0C8;
  --brand-deep:#0E8F86;
  --accent:#FF7A2F;
  --gold:#F5C24C;
  --text-1:#EAF2FF;
  --text-2:#A9B7CC;
  --text-3:#6D7C93;
  --danger:#FF6B6B;
  --r-card:16px;
  --r-vcard:18px;
  --r-btn:12px;
  --r-img:14px;
  --shadow:0 4px 20px -6px rgba(0,0,0,.6);
  --shadow-hover:0 12px 32px -10px rgba(0,0,0,.7);
  --glow:0 0 0 1px rgba(23,224,200,.22),0 8px 30px -8px rgba(23,224,200,.30);
  --glow-accent:0 10px 28px -10px rgba(255,122,47,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-gap:64px;
}
*,*::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-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(23,224,200,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,224,200,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 0%,rgba(0,0,0,.85),transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 0%,rgba(0,0,0,.85),transparent 72%);
}
img{display:block;max-width:100%;object-fit:cover;background:var(--bg-2);border:1px solid rgba(23,224,200,.16);border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
  position:relative;
  z-index:1;
}
.section{padding-top:var(--sec-gap);padding-bottom:var(--sec-gap)}
.section-tight{padding-top:44px;padding-bottom:44px}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:rgba(12,20,34,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.92);
  border-bottom-color:var(--line-strong);
  box-shadow:0 14px 34px -22px rgba(0,0,0,.95);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(150deg,rgba(23,224,200,.22),rgba(255,122,47,.16));
  border:1px solid var(--line-strong);
  color:var(--brand);
  font-size:18px;
  font-weight:800;
  line-height:1;
  box-shadow:0 6px 20px -10px rgba(23,224,200,.6);
}
.brand-text{
  color:var(--text-1);
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 13px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--text-2);
  white-space:nowrap;
  min-height:44px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:5px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(23,224,200,.07)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:11px;
  border:1px solid var(--line);
  color:var(--text-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-strong);transform:translateY(-2px)}
.menu-toggle{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(120deg,var(--accent),#FF9A55);
  color:#1A0C02;
  box-shadow:var(--glow-accent);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(255,122,47,.72)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  border-color:var(--line-strong);
  color:var(--text-1);
  background:rgba(23,224,200,.06);
}
.btn-ghost:hover{transform:translateY(-2px);color:var(--brand);box-shadow:var(--glow)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* ============ 页头 ============ */
.page-head{
  position:relative;
  padding-top:118px;
  padding-bottom:52px;
  background:linear-gradient(180deg,rgba(11,18,32,.92),rgba(6,10,18,.98)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:22px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-3);opacity:.7}
.crumb .current{color:var(--text-3)}
.page-title{
  font-size:clamp(30px,5.2vw,52px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:820px;
}
.page-lead{
  margin-top:18px;
  max-width:720px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:26px}
.count-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;
  border-radius:999px;
  font-size:13.5px;
  color:var(--brand);
  background:rgba(23,224,200,.1);
  border:1px solid var(--line-strong);
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  min-height:40px;
  padding:0 17px;
  display:inline-flex;align-items:center;
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  border:1px solid var(--line);
  background:rgba(17,28,46,.72);
  transition:all .2s var(--ease);
}
.chip:hover{color:var(--text-1);border-color:var(--line-strong);transform:translateY(-2px)}
.chip.is-on{color:#04211E;background:var(--brand);border-color:var(--brand);font-weight:600}

/* ============ 通用板块标题 ============ */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.section-title{
  font-size:clamp(24px,3.4vw,34px);
  line-height:1.25;
  font-weight:700;
  position:relative;
  padding-top:14px;
}
.section-title::before{
  content:"";
  position:absolute;top:0;left:0;
  width:44px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),rgba(23,224,200,0));
}
.section-desc{margin-top:12px;font-size:15.5px;color:var(--text-2);max-width:660px}

/* ============ 编号清单 ============ */
.step-list{border-top:1px solid var(--line)}
.step-item{
  display:grid;
  grid-template-columns:92px 1fr 240px;
  gap:26px;
  align-items:start;
  padding:30px 22px 30px 20px;
  border-bottom:1px solid var(--line);
  border-left:2px solid transparent;
  position:relative;
  transition:background-color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.step-item:hover{
  background:rgba(23,224,200,.045);
  border-left-color:var(--brand);
}
.step-num{
  font-size:44px;
  line-height:1;
  font-weight:800;
  color:var(--brand);
  opacity:.85;
  letter-spacing:-.03em;
  padding-top:4px;
}
.step-title{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:10px}
.step-sum{font-size:15px;color:var(--text-2);margin-bottom:16px}
.step-points{display:grid;gap:9px}
.step-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.7;
}
.step-points li::before{
  content:"";
  flex:0 0 auto;
  width:7px;height:7px;
  margin-top:9px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 3px rgba(23,224,200,.14);
}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;
  border-radius:8px;
  font-size:12.5px;
  color:var(--brand);
  background:rgba(23,224,200,.09);
  border:1px solid var(--line-strong);
}
.tag-warm{color:var(--accent);background:rgba(255,122,47,.1);border-color:rgba(255,122,47,.3)}
.step-thumb{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);position:relative}
.step-thumb img{width:100%;aspect-ratio:4/3;border-radius:var(--r-card)}
.step-thumb figcaption{font-size:12.5px;color:var(--text-3);margin-top:10px;line-height:1.6}

/* ============ 对比卡 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.compare-card::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(23,224,200,0));
}
.compare-card:nth-child(2)::before{background:linear-gradient(90deg,var(--accent),rgba(255,122,47,0))}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.compare-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  letter-spacing:.04em;
  margin-bottom:14px;
}
.compare-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.compare-card p{font-size:15px;color:var(--text-2);margin-bottom:16px}
.compare-list{display:grid;gap:10px;border-top:1px solid var(--line);padding-top:16px}
.compare-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.compare-list li span{color:var(--brand);flex:0 0 auto;font-weight:700}
.compare-card:nth-child(2) .compare-list li span{color:var(--accent)}

/* ============ 分页 ============ */
.pager{
  margin-top:44px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
.pager-note{font-size:13.5px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq{max-width:820px;margin:0 auto;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:22px 4px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text-1);
  min-height:44px;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--brand);
  font-size:14px;
  transition:transform .24s var(--ease),background-color .24s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(23,224,200,.12)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease),opacity .24s var(--ease);
  opacity:0;
}
.faq-item.is-open .faq-a{opacity:1}
.faq-a p{padding:0 4px 22px;margin:0;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  border-radius:22px;
  border:1px solid var(--line-strong);
  background:rgba(23,224,200,.06);
  padding:52px 32px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  width:340px;height:340px;
  right:-120px;top:-160px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.16),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(24px,3.4vw,34px);line-height:1.25;font-weight:700}
.cta-band p{margin:16px auto 28px;max-width:600px;font-size:15.5px;color:var(--text-2)}
.cta-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;
  border-radius:999px;
  font-size:13.5px;
  color:var(--text-2);
  background:rgba(11,18,32,.7);
  border:1px solid var(--line);
}
.badge i{color:var(--gold);font-style:normal;font-size:12px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding-top:60px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:320px;line-height:1.85}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(23,224,200,.86);margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-col p{font-size:13.5px;color:var(--text-2);line-height:1.8}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:var(--text-3);
}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;
  inset:68px 0 0 0;
  z-index:55;
  background:rgba(6,10,18,.9);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  padding:22px 20px 40px;
  transform:translateY(-12px);
  opacity:0;
  pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
.drawer nav{display:grid;gap:8px}
.drawer .nav-link{width:100%;justify-content:flex-start;font-size:16px;padding:14px 16px;border:1px solid var(--line);background:rgba(17,28,46,.7)}
.drawer .nav-link::after{display:none}
.drawer .nav-link.is-active{border-color:var(--line-strong);background:rgba(23,224,200,.1)}

/* ============ 吸底条 ============ */
.sticky-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:58;
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:10px 20px calc(10px + env(safe-area-inset-bottom));
  background:rgba(12,20,34,.78);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-top:1px solid var(--line);
}
.sticky-cta span{font-size:13.5px;color:var(--text-2)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-toggle{display:grid}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .step-item{grid-template-columns:70px 1fr;gap:18px}
  .step-thumb{grid-column:1 / -1;max-width:420px}
  .step-num{font-size:36px}
}
@media (max-width:767px){
  :root{--sec-gap:64px}
  .section{padding-top:var(--sec-gap);padding-bottom:var(--sec-gap)}
  .page-head{padding-top:104px;padding-bottom:40px}
  .compare-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 20px;border-radius:18px}
  .sticky-cta{display:flex}
  .site-footer{margin-top:64px;padding-bottom:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .step-item{grid-template-columns:1fr;padding:26px 14px 26px 12px}
  .step-num{font-size:32px}
  .btn{width:100%}
  .cta-badges .badge{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr}
  .head-meta{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
    --bg-0:#060A12;
    --bg-1:#0B1220;
    --bg-2:#111C2E;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(23,224,200,.28);
    --brand:#17E0C8;
    --brand-deep:#0E8F86;
    --accent:#FF7A2F;
    --gold:#F5C24C;
    --text-1:#EAF2FF;
    --text-2:#A9B7CC;
    --text-3:#6D7C93;
    --r-card:16px;
    --r-media:18px;
    --r-btn:12px;
    --r-pill:999px;
    --shadow-1:0 4px 20px -6px rgba(0,0,0,.6);
    --shadow-2:0 12px 32px -10px rgba(0,0,0,.7);
    --glow-line:0 0 0 1px rgba(23,224,200,.22);
    --glow-soft:0 8px 30px -8px rgba(23,224,200,.30);
    --glow-accent:0 10px 28px -10px rgba(255,122,47,.55);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
    background:var(--bg-0);
    color:var(--text-2);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul{list-style:none;margin:0;padding:0}
  h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.25}
  h1{font-size:clamp(30px,5.2vw,46px);font-weight:800;letter-spacing:-.01em;line-height:1.15}
  h2{font-size:clamp(24px,3.4vw,34px);font-weight:700}
  h3{font-size:20px;font-weight:600;line-height:1.4}
  p{margin:0 0 1em;text-align:left}
  .num{font-variant-numeric:tabular-nums}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}

  /* ---------- 导航 ---------- */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:80;
    background:rgba(12,20,34,.55);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid var(--line);
    box-shadow:0 8px 30px -22px rgba(0,0,0,.9);
    transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(6,10,18,.92);
    border-bottom-color:var(--line);
    box-shadow:0 14px 34px -22px rgba(0,0,0,.95);
  }
  .header-inner{display:flex;align-items:center;gap:18px;height:72px}
  .brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:34px;height:34px;border-radius:10px;
    display:grid;place-items:center;
    background:linear-gradient(135deg,var(--brand),var(--brand-deep));
    color:#04231F;font-weight:800;font-size:17px;
    box-shadow:var(--glow-soft);
  }
  .brand-text{font-size:16px;font-weight:700;color:var(--text-1);letter-spacing:.01em}
  .nav-links{display:none}
  @media (min-width:1024px){
    .nav-links{display:flex;align-items:center;gap:26px;margin-left:12px}
  }
  .nav-link{
    position:relative;display:inline-block;
    padding:10px 0;font-size:14px;color:var(--text-2);
    transition:color .2s var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
    background:var(--brand);border-radius:2px;
    transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .nav-link:hover{color:var(--text-1)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--brand)}
  .nav-link.is-active::after{transform:scaleX(1)}
  .header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
  @media (min-width:1024px){.header-actions{margin-left:0}}
  .icon-btn{
    width:44px;height:44px;border-radius:12px;
    display:grid;place-items:center;
    border:1px solid var(--line);color:var(--text-2);
    transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  .icon-btn:hover{color:var(--brand);border-color:var(--line-strong);transform:translateY(-2px)}
  .menu-btn{display:grid}
  @media (min-width:1024px){.menu-btn{display:none}}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;letter-spacing:.01em;
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  }
  .btn:active{transform:scale(.98)}
  .btn-primary{
    background:var(--accent);color:#22110５;color:#231204;
    border-radius:var(--r-pill);
    box-shadow:var(--glow-accent);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -10px rgba(255,122,47,.7)}
  .btn-ghost{
    border:1px solid var(--line-strong);color:var(--text-1);background:rgba(17,28,46,.6);
  }
  .btn-ghost:hover{transform:translateY(-2px);color:var(--brand);border-color:var(--brand)}
  .btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
  .btn-lg{min-height:56px;padding:16px 40px;font-size:17px}
  .btn-block{width:100%}

  /* ---------- 移动抽屉 ---------- */
  .mobile-panel{
    display:none;
    border-top:1px solid var(--line);
    background:rgba(12,20,34,.9);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    padding:10px 0 18px;
  }
  .mobile-panel.is-open{display:block}
  @media (min-width:1024px){.mobile-panel{display:none !important}}
  .mobile-panel .nav-link{display:block;padding:14px 0;font-size:15px;border-bottom:1px solid var(--line)}
  .mobile-panel .nav-link::after{display:none}
  .mobile-panel .mobile-cta{margin-top:18px}

  /* ---------- 分类页头 ---------- */
  main{padding-top:0}
  .page-hero{position:relative;padding:118px 0 56px;overflow:hidden;border-bottom:1px solid var(--line)}
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(180deg,rgba(6,10,18,.86),rgba(6,10,18,.96)),url("/assets/images/backpic/back-2.webp");
    background-size:cover;background-position:center;
    opacity:.95;
  }
  .page-hero::after{
    content:"";position:absolute;left:-10%;top:-30%;width:520px;height:420px;
    background:radial-gradient(circle,rgba(23,224,200,.16),transparent 68%);
    pointer-events:none;
  }
  .page-hero > .container{position:relative;z-index:1}
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
  .crumbs a{transition:color .2s var(--ease)}
  .crumbs a:hover{color:var(--brand)}
  .crumbs .sep{opacity:.5}
  .crumbs .current{color:var(--text-2)}
  .page-hero h1{max-width:860px}
  .lead{margin-top:18px;max-width:740px;font-size:16px;color:var(--text-2)}
  .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
  .chip{
    display:inline-flex;align-items:center;gap:7px;
    padding:8px 16px;border-radius:var(--r-pill);
    border:1px solid var(--line);background:rgba(17,28,46,.72);
    font-size:13px;color:var(--text-2);
    transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),background-color .2s var(--ease);
  }
  .chip:hover{color:var(--brand);border-color:var(--line-strong);transform:translateY(-2px)}
  .chip.is-active{color:#062B27;background:var(--brand);border-color:var(--brand);font-weight:600}
  .chip .dot{width:6px;height:6px;border-radius:50%;background:var(--brand)}
  .filters{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}

  /* ---------- 板块 ---------- */
  .section{padding:64px 0}
  @media (min-width:768px){.section{padding:88px 0}}
  .section-tight{padding:48px 0}
  @media (min-width:768px){.section-tight{padding:64px 0}}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
  .section-head p{margin:10px 0 0;font-size:14px;color:var(--text-3);max-width:560px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.08em;color:var(--brand);margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}

  /* ---------- 左图右文列表 ---------- */
  .media-list{display:flex;flex-direction:column;gap:22px}
  .media-row{
    display:grid;grid-template-columns:1fr;gap:18px;
    padding:16px;border-radius:var(--r-card);
    background:var(--bg-2);border:1px solid var(--line);
    box-shadow:var(--shadow-1);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  @media (min-width:768px){
    .media-row{grid-template-columns:40% 1fr;gap:26px;padding:20px}
  }
  .media-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--line-strong)}
  .media-thumb{
    position:relative;aspect-ratio:4/3;border-radius:14px;overflow:hidden;
    background:var(--bg-1);border:1px solid var(--line);
  }
  .media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
  .media-row:hover .media-thumb img{transform:scale(1.03)}
  .media-thumb img.is-broken{opacity:0}
  .media-tag{
    position:absolute;left:12px;top:12px;
    padding:4px 12px;border-radius:var(--r-pill);
    background:rgba(6,10,18,.78);border:1px solid var(--line-strong);
    font-size:12px;color:var(--brand);font-variant-numeric:tabular-nums;
  }
  .media-body{display:flex;flex-direction:column;justify-content:center}
  .media-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--text-3);margin-bottom:12px}
  .media-meta .badge{
    padding:3px 10px;border-radius:8px;
    background:rgba(23,224,200,.1);border:1px solid var(--line-strong);
    color:var(--brand);font-size:12px;
  }
  .media-body h3{margin-bottom:12px;transition:color .2s var(--ease)}
  .media-row:hover .media-body h3{color:var(--brand)}
  .media-body p{font-size:15px;color:var(--text-2);margin-bottom:16px}
  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);transition:gap .2s var(--ease)}
  .link-more:hover{gap:10px}

  /* ---------- 核对要点条带 ---------- */
  .checkstrip{display:grid;grid-template-columns:1fr;gap:16px}
  @media (min-width:640px){.checkstrip{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.checkstrip{grid-template-columns:repeat(4,1fr)}}
  .check-item{
    position:relative;padding:22px 20px;border-radius:var(--r-card);
    background:var(--bg-1);border:1px solid var(--line);
    box-shadow:var(--shadow-1);
    transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .check-item::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--brand);border-radius:2px 2px 0 0;opacity:.75}
  .check-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
  .check-item h3{font-size:16px;margin-bottom:8px}
  .check-item p{font-size:14px;color:var(--text-3);margin:0}
  .check-index{font-size:13px;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.08em;margin-bottom:10px;display:block}

  /* ---------- 分页 ---------- */
  .pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;margin-top:36px}
  .pager .page-btn{
    min-width:44px;min-height:44px;padding:0 16px;border-radius:12px;
    display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--line);color:var(--text-2);font-size:14px;
    font-variant-numeric:tabular-nums;
    transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  .pager .page-btn:hover{color:var(--brand);border-color:var(--line-strong);transform:translateY(-2px)}
  .pager .page-btn.is-current{background:var(--brand);border-color:var(--brand);color:#062B27;font-weight:700}

  /* ---------- FAQ ---------- */
  .faq{max-width:820px;margin:0 auto}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:first-child{border-top:1px solid var(--line)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:var(--brand)}
  .faq-q .caret{
    flex:0 0 auto;width:26px;height:26px;border-radius:50%;
    display:grid;place-items:center;
    border:1px solid var(--line-strong);color:var(--brand);
    transition:transform .24s var(--ease);
  }
  .faq-item.is-open .faq-q .caret{transform:rotate(180deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
  .faq-a p{padding:0 44px 22px 0;margin:0;font-size:15px;color:var(--text-2)}

  /* ---------- CTA ---------- */
  .cta-band{
    border-radius:20px;border:1px solid var(--line-strong);
    background:rgba(23,224,200,.06);
    padding:44px 24px;text-align:center;
  }
  .cta-band h2{margin-bottom:14px}
  .cta-band p{max-width:620px;margin:0 auto 26px;color:var(--text-2);font-size:15px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
  .cta-badges{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px}
  .cta-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 16px;border-radius:var(--r-pill);
    background:rgba(11,18,32,.7);border:1px solid var(--line);
    font-size:13px;color:var(--text-2);
  }
  .cta-badge svg{color:var(--brand);flex:0 0 auto}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--bg-1);border-top:1px solid var(--line);margin-top:40px}
  .footer-grid{
    display:grid;grid-template-columns:1fr;gap:34px;
    padding:56px 0 40px;
  }
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
  .footer-brand p{margin-top:16px;font-size:14px;color:var(--text-3);max-width:340px}
  .footer-col h4{font-size:14px;font-weight:600;color:rgba(23,224,200,.86);margin-bottom:16px;letter-spacing:.02em}
  .footer-col li{margin-bottom:10px}
  .footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
  .footer-col a:hover{color:var(--brand)}
  .footer-col p{font-size:13px;color:var(--text-3);line-height:1.9}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
    padding:20px 0 26px;border-top:1px solid var(--line);
    font-size:13px;color:var(--text-3);
  }

  /* ---------- 移动吸底条 ---------- */
  .mobile-dock{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    display:flex;align-items:center;gap:12px;
    height:56px;padding:0 16px calc(0px + env(safe-area-inset-bottom));
    background:rgba(12,20,34,.82);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border-top:1px solid var(--line);
  }
  .mobile-dock span{font-size:13px;color:var(--text-2);flex:1 1 auto}
  @media (min-width:768px){.mobile-dock{display:none}}
  body{padding-bottom:56px}
  @media (min-width:768px){body{padding-bottom:0}}

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

/* roulang page: category4 */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(23,224,200,.28);
  --brand:#17E0C8;
  --brand-deep:#0E8F86;
  --accent:#FF7A2F;
  --gold:#F5C24C;
  --text-1:#EAF2FF;
  --text-2:#A9B7CC;
  --text-3:#6D7C93;
  --r-card:16px;
  --r-vcard:18px;
  --r-btn:12px;
  --r-img:14px;
  --r-input:12px;
  --shadow-1:0 4px 20px -6px rgba(0,0,0,.6);
  --shadow-hover:0 12px 32px -10px rgba(0,0,0,.7);
  --glow:0 0 0 1px rgba(23,224,200,.22),0 8px 30px -8px rgba(23,224,200,.30);
  --glow-accent:0 10px 28px -10px rgba(255,122,47,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  text-align:left;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.55;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:52px 52px;
}
main,header,footer,.sticky-cta{position:relative;z-index:2;}
img{display:block;max-width:100%;height:auto;object-fit:cover;}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease),opacity .18s var(--ease);}
a:hover{color:var(--text-1);}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:-.01em;}
h1{font-size:clamp(30px,5.2vw,52px);line-height:1.15;font-weight:800;}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.25;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:14px;line-height:1.5;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.tabular{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:92px 0;}}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;line-height:1.6;color:var(--brand);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-2);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);
  color:#1A0C03;
  box-shadow:var(--glow-accent);
}
.btn-primary:hover{
  background:#FF8C4A;
  color:#1A0C03;
  transform:translateY(-2px);
  box-shadow:0 14px 34px -10px rgba(255,122,47,.7);
}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  border:1px solid var(--line-strong);
  color:var(--text-1);
  background:rgba(23,224,200,.06);
}
.btn-ghost:hover{
  color:var(--text-1);
  border-color:var(--brand);
  background:rgba(23,224,200,.12);
  transform:translateY(-2px);
  box-shadow:var(--glow);
}
.btn-ghost:active{transform:scale(.98);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-lg{min-height:54px;padding:0 32px;font-size:16px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  color:var(--text-2);border:1px solid var(--line);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(23,224,200,.08);}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(12,20,34,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 30px -18px rgba(0,0,0,.85);
  transition:background-color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.92);
  border-bottom-color:var(--line-strong);
  box-shadow:0 10px 30px -14px rgba(0,0,0,.9);
}
.header-inner{display:flex;align-items:center;gap:16px;height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,rgba(23,224,200,.22),rgba(23,224,200,.04));
  border:1px solid var(--line-strong);
  color:var(--brand);font-size:17px;font-weight:700;
}
.brand-text{color:var(--text-1);font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand:hover .brand-text{color:var(--brand);}
.nav-links{display:none;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 12px;
  font-size:14.5px;color:var(--text-2);
  border-radius:10px;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;
  background:var(--brand);border-radius:2px;
  box-shadow:0 0 12px rgba(23,224,200,.6);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.header-cta{display:none;}
.menu-toggle{display:inline-flex;}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .header-cta{display:inline-flex;}
  .menu-toggle{display:none;}
}
.mobile-panel{
  position:fixed;top:70px;left:0;right:0;z-index:79;
  padding:12px 16px 20px;
  background:rgba(12,20,34,.92);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-strong);
  box-shadow:0 20px 40px -20px rgba(0,0,0,.9);
  transform:translateY(-12px);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease);
}
.mobile-panel.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0);}
.mobile-links{display:grid;gap:4px;}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;
  color:var(--text-2);font-size:15px;
  border:1px solid transparent;
}
.mobile-links a:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.mobile-links a.is-active{color:var(--brand);border-color:var(--line-strong);background:rgba(23,224,200,.08);}
.mobile-panel .btn{margin-top:12px;width:100%;}
@media (min-width:1024px){.mobile-panel{display:none;}}

/* ---------- page head ---------- */
.page-head{
  position:relative;
  padding:112px 0 48px;
  border-bottom:1px solid var(--line);
  background:var(--bg-1);
  overflow:hidden;
}
@media (min-width:1024px){.page-head{padding:150px 0 72px;}}
.page-head-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.22;filter:saturate(120%);
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.72) 0%,rgba(6,10,18,.94) 70%,var(--bg-0) 100%);
}
.page-head-inner{position:relative;z-index:1;max-width:840px;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--text-2);}
.page-head h1{margin-bottom:16px;}
.page-head-desc{font-size:16px;line-height:1.85;color:var(--text-2);max-width:720px;margin-bottom:22px;}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.count-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  font-size:13px;color:var(--brand);
  background:rgba(23,224,200,.08);
  border:1px solid var(--line-strong);
}
.count-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(23,224,200,.9);}
.filter-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;
  border-radius:999px;font-size:14px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease);
}
.chip:hover{color:var(--text-1);border-color:var(--line-strong);transform:translateY(-2px);}
.chip.is-active{color:var(--brand);border-color:var(--line-strong);background:rgba(23,224,200,.1);}

/* ---------- steps strip ---------- */
.steps{display:grid;gap:16px;}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:20px;}}
.step{
  position:relative;
  padding:24px 22px;
  border-radius:var(--r-card);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--brand);opacity:.8;}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.step-num{
  font-size:34px;font-weight:800;line-height:1;
  color:var(--brand);opacity:.9;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-3);line-height:1.8;margin:0;}

/* ---------- archive timeline ---------- */
.arch-list{position:relative;margin-top:8px;}
.arch-item{
  position:relative;
  display:flex;align-items:flex-start;gap:16px;
  padding:0 0 26px 26px;
  border-left:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.arch-item:last-child{border-left-color:transparent;padding-bottom:0;}
.arch-node{
  position:absolute;left:-6px;top:10px;
  width:11px;height:11px;border-radius:50%;
  background:var(--bg-0);
  border:2px solid var(--brand);
  box-shadow:0 0 0 4px rgba(23,224,200,.10);
}
.arch-item:hover .arch-node{background:var(--brand);}
.arch-body{flex:1 1 auto;min-width:0;}
.arch-top{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:6px;}
.arch-title{font-size:17px;line-height:1.5;font-weight:600;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:8px;font-size:12px;line-height:1;
  color:var(--brand);background:rgba(23,224,200,.1);
  border:1px solid var(--line-strong);
  white-space:nowrap;
}
.badge-gold{color:var(--gold);background:rgba(245,194,76,.1);border-color:rgba(245,194,76,.28);}
.arch-desc{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0 0 8px;}
.arch-foot{display:flex;align-items:center;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--text-3);}
.link-more{font-size:13.5px;font-weight:600;color:var(--brand);}
.link-more:hover{color:var(--text-1);}
.arch-thumb{
  flex:0 0 auto;width:64px;height:64px;border-radius:var(--r-img);
  overflow:hidden;background:var(--bg-2);
  border:1px solid var(--line-strong);
}
.arch-thumb img{width:100%;height:100%;}
@media (min-width:768px){
  .arch-thumb{width:84px;height:84px;}
  .arch-item{padding-left:32px;}
  .arch-title{font-size:18px;}
}
@media (max-width:519px){
  .arch-thumb{display:none;}
}

/* ---------- pager ---------- */
.pager{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  margin-top:36px;padding-top:28px;border-top:1px solid var(--line);
}
@media (min-width:768px){.pager{flex-direction:row;justify-content:space-between;}}
.pager-info{font-size:14px;color:var(--text-3);}
.pager-actions{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 4px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);
  transition:color .18s var(--ease);
}
.faq-btn:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;color:var(--brand);
  transition:transform .28s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-panel-inner{padding:0 4px 20px;}
.faq-panel-inner p{font-size:15px;line-height:1.9;color:var(--text-2);margin:0;}

/* ---------- cta ---------- */
.cta-box{
  text-align:center;
  padding:40px 22px;
  border-radius:var(--r-card);
  background:rgba(23,224,200,.06);
  border:1px solid var(--line-strong);
}
@media (min-width:768px){.cta-box{padding:56px 48px;}}
.cta-box h2{margin-bottom:12px;}
.cta-box p{max-width:620px;margin:0 auto 24px;font-size:15px;color:var(--text-2);}
.cta-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px;}
.cta-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:999px;
  font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
}
.cta-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:52px 0 26px;
  margin-top:8px;
}
.footer-grid{display:grid;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:32px 28px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-3);margin:0;max-width:320px;}
.footer-col h4{color:var(--brand);letter-spacing:.02em;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a{font-size:14px;color:var(--text-2);}
.footer-col li a:hover{color:var(--brand);}
.footer-col p{font-size:13px;line-height:1.8;color:var(--text-3);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  margin-top:36px;padding-top:20px;
  border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}

/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;gap:12px;
  padding:8px 16px calc(8px + env(safe-area-inset-bottom,0px));
  min-height:56px;
  background:rgba(12,20,34,.82);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-top:1px solid var(--line-strong);
  box-shadow:0 -10px 30px -18px rgba(0,0,0,.9);
}
.sticky-cta .sticky-text{font-size:13px;color:var(--text-2);line-height:1.5;flex:1 1 auto;}
.sticky-cta .btn{flex:0 0 auto;}
@media (min-width:1024px){.sticky-cta{display:none;}}
@media (max-width:1023px){body{padding-bottom:56px;}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}