/* roulang page: index */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --brand:#24E0C8;
  --brand-deep:#0E9C8C;
  --accent:#3C6BFF;
  --promo:#FFB547;
  --t1:#EAF2FF;
  --t2:#9FB0C9;
  --t3:#6B7C96;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --ok:#3ED598;
  --warn:#FF7A6B;
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.5;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(600px 600px at 12% 6%,rgba(36,224,200,.10),transparent 70%),
    radial-gradient(620px 620px at 92% 96%,rgba(60,107,255,.10),transparent 70%);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:#5BF0DC;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
time,.num{font-variant-numeric:tabular-nums;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:1;
}
.section{padding:88px 0;position:relative;z-index:1;}
.section--tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.3;}
.section-head p{color:var(--t2);font-size:15px;margin:10px 0 0;max-width:640px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  color:var(--brand);
  letter-spacing:.08em;
  margin-bottom:10px;
}
.hairline{
  height:2px;
  width:100%;
  border-radius:2px;
  background:linear-gradient(90deg,rgba(36,224,200,0),rgba(36,224,200,.75),rgba(60,107,255,0));
}

/* ---------- 公告条 ---------- */
.announce{
  background:var(--bg-2);
  border-bottom:1px solid var(--line);
  font-size:13px;
  position:relative;
  z-index:60;
}
.announce-inner{
  display:flex;
  align-items:center;
  gap:14px;
  height:42px;
  overflow:hidden;
  white-space:nowrap;
}
.announce-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(36,224,200,.14);
  color:var(--brand);
  font-size:12px;
  flex:0 0 auto;
}
.dot{
  width:6px;height:6px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 8px var(--brand);
}
.announce-text{color:var(--t2);overflow:hidden;text-overflow:ellipsis;}
.announce-link{margin-left:auto;flex:0 0 auto;color:var(--brand);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(6,10,18,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.9);
  box-shadow:0 1px 0 rgba(36,224,200,.28),0 14px 30px rgba(0,0,0,.4);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:26px;
  height:74px;
}
.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:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#04170F;
  font-weight:800;
  font-size:19px;
  box-shadow:0 8px 22px rgba(36,224,200,.3);
}
.brand-text{
  font-size:19px;
  font-weight:700;
  color:var(--t1);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  padding:9px 14px;
  border-radius:10px;
  color:var(--t2);
  font-size:15px;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--t1);background:var(--glass);}
.nav-link.is-active{color:var(--brand);background:rgba(36,224,200,.1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12px;
  color:var(--ok);
  padding:5px 12px;
  border-radius:999px;
  background:rgba(62,213,152,.12);
  border:1px solid rgba(62,213,152,.22);
  white-space:nowrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  cursor:pointer;
  border-radius:var(--r-btn);
  padding:13px 24px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04170F;
  box-shadow:0 10px 30px rgba(36,224,200,.28),inset 0 0 0 1px rgba(36,224,200,.35);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 38px rgba(36,224,200,.42),inset 0 0 0 1px rgba(36,224,200,.5);
  color:#04170F;
}
.btn-primary:active{transform:translateY(0);filter:brightness(.92);}
.btn-ghost{
  background:transparent;
  color:var(--t1);
  border:1px solid rgba(36,224,200,.45);
}
.btn-ghost:hover{background:rgba(36,224,200,.09);transform:translateY(-2px);color:var(--t1);}
.btn-ghost:active{transform:translateY(0);filter:brightness(.92);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid #9CF6E8;
  outline-offset:3px;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:11px;
  background:var(--glass);
  border:1px solid var(--line);
  cursor:pointer;
  padding:11px 10px;
}
.nav-toggle span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--t1);
  margin-bottom:5px;
  transition:transform .25s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span:last-child{margin-bottom:0;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:72px 0 0;
  z-index:1;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:44px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.25;
  margin:18px 0 20px;
}
.hero-sub{
  color:var(--t2);
  font-size:17px;
  line-height:1.8;
  max-width:560px;
  margin-bottom:30px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
}
.badge-brand{background:rgba(36,224,200,.14);color:var(--brand);border:1px solid rgba(36,224,200,.24);}
.badge-accent{background:rgba(60,107,255,.14);color:#9DB3FF;border:1px solid rgba(60,107,255,.24);}
.badge-promo{background:rgba(255,181,71,.16);color:var(--promo);border:1px solid rgba(255,181,71,.26);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  border-top:1px solid var(--line);
  padding-top:22px;
}
.trust-row li{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:var(--t2);
}
.trust-row i{color:var(--brand);font-size:14px;}
.hero-visual{position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.hero-visual img{width:100%;height:440px;object-fit:cover;filter:brightness(.86);}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.12),rgba(6,10,18,.72));
  pointer-events:none;
}
.hero-visual .light-strip{
  position:absolute;top:0;left:0;right:0;height:5px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  z-index:2;
}
.glass-status{
  position:absolute;
  left:18px;right:18px;bottom:18px;
  z-index:3;
  background:rgba(11,18,32,.72);
  border:1px solid var(--line);
  border-radius:16px;
  backdrop-filter:blur(14px);
  padding:16px 18px;
}
.glass-status .gs-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;}
.glass-status .gs-title{font-size:15px;font-weight:600;}
.glass-status .gs-line{font-size:13px;color:var(--t2);display:flex;justify-content:space-between;gap:10px;padding:4px 0;}
.glass-status .gs-line strong{color:var(--t1);font-weight:600;}

/* ---------- 倒计时窄带 ---------- */
.countdown-bar{
  margin-top:44px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px;
  padding:18px 24px;
  border-radius:var(--r-panel);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.countdown-bar .cd-label{font-size:14px;color:var(--t2);}
.countdown-bar .cd-num{
  font-size:26px;
  font-weight:700;
  color:var(--promo);
  letter-spacing:.04em;
}
.countdown-bar .cd-num small{font-size:13px;color:var(--t2);font-weight:400;margin-left:6px;}
.countdown-bar .cd-link{margin-left:auto;font-size:14px;}

/* ---------- 权益阶梯 ---------- */
.tier-wrap{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:start;
}
.tier-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px 24px;
  backdrop-filter:blur(14px);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.tier-card:hover{transform:translateY(-2px);border-color:rgba(36,224,200,.45);}
.tier-card:nth-child(1){margin-top:34px;}
.tier-card:nth-child(2){margin-top:16px;}
.tier-card:nth-child(3){
  margin-top:0;
  border-color:rgba(36,224,200,.5);
  box-shadow:0 22px 50px rgba(36,224,200,.16);
}
.tier-card .tier-no{
  font-size:13px;
  color:var(--t3);
  letter-spacing:.1em;
  margin-bottom:12px;
}
.tier-card h3{font-size:21px;margin-bottom:8px;}
.tier-card .tier-desc{font-size:14px;color:var(--t2);margin-bottom:18px;}
.tier-card ul{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.tier-card li{display:flex;gap:9px;font-size:14.5px;color:var(--t2);}
.tier-card li i{color:var(--brand);font-size:13px;margin-top:6px;}
.tier-card .tier-link{font-size:14px;font-weight:600;}
.tier-flag{
  position:absolute;top:-13px;right:20px;
  font-size:12px;
  padding:5px 13px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04170F;
  font-weight:700;
}

/* ---------- 对比矩阵 ---------- */
.matrix{
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  overflow:hidden;
  background:var(--glass);
  backdrop-filter:blur(14px);
}
.matrix-head,.matrix-row{
  display:grid;
  grid-template-columns:1.35fr 1fr 1fr 1fr;
}
.matrix-head{background:rgba(255,255,255,.05);}
.matrix-head .m-cell{font-weight:700;font-size:15px;color:var(--t1);}
.m-cell{
  padding:16px 18px;
  font-size:14.5px;
  color:var(--t2);
  border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);
  display:flex;
  align-items:center;
  gap:9px;
}
.matrix-head .m-cell:last-child,.matrix-row .m-cell:last-child{border-right:none;}
.matrix-row:last-child .m-cell{border-bottom:none;}
.m-cell.m-dim{color:var(--t1);font-weight:600;background:rgba(255,255,255,.02);}
.m-cell.m-highlight{background:rgba(36,224,200,.07);box-shadow:inset 1px 0 0 rgba(36,224,200,.45),inset -1px 0 0 rgba(36,224,200,.45);}
.m-cell i.fa-check{color:var(--ok);}
.m-cell i.fa-minus{color:var(--t3);}
.m-highlight-top{
  background:linear-gradient(135deg,rgba(36,224,200,.2),rgba(36,224,200,.06));
  color:var(--brand);
}
.mobile-label{display:none;}

/* ---------- 限时入口 ---------- */
.limited{
  position:relative;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:52px 0;
  text-align:center;
}
.limited-inner{display:flex;flex-direction:column;align-items:center;gap:18px;}
.limited h2{font-size:clamp(22px,2.4vw,32px);}
.limited .limited-clock{
  font-size:34px;
  font-weight:700;
  color:var(--promo);
  letter-spacing:.06em;
}
.limited .limited-sub{color:var(--t2);font-size:15px;max-width:600px;}
.limited::before,.limited::after{
  content:"";
  position:absolute;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,224,200,.6),transparent);
}
.limited::before{top:0;}
.limited::after{bottom:0;}

/* ---------- 表单 ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:40px;
  align-items:start;
}
.contact-points{display:flex;flex-direction:column;gap:16px;margin:24px 0 26px;}
.contact-points li{display:flex;gap:12px;font-size:15px;color:var(--t2);}
.contact-points i{color:var(--brand);margin-top:6px;}
.form-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  padding:30px;
  backdrop-filter:blur(14px);
}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:14px;color:var(--t2);margin-bottom:8px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;
  background:rgba(6,10,18,.6);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--t1);
  font-size:15px;
  padding:0 14px;
  height:44px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-row textarea{height:auto;padding:12px 14px;min-height:104px;resize:vertical;line-height:1.7;}
.form-row select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--t2) 50%),linear-gradient(135deg,var(--t2) 50%,transparent 50%);background-position:calc(100% - 20px) 19px,calc(100% - 14px) 19px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--t3);}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  border-color:rgba(36,224,200,.6);
  box-shadow:0 0 0 4px rgba(36,224,200,.12);
  outline:none;
}
.form-note{font-size:13px;color:var(--t3);margin-top:14px;}
.form-alert{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:12px;
  font-size:14px;
  background:rgba(62,213,152,.12);
  border:1px solid rgba(62,213,152,.3);
  color:var(--ok);
}
.form-alert.is-show{display:block;}

/* ---------- 资讯卡片 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  backdrop-filter:blur(14px);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(36,224,200,.45);box-shadow:var(--shadow);}
.news-card .cover{position:relative;aspect-ratio:16/9;overflow:hidden;}
.news-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .cover img{transform:scale(1.04);}
.news-card .cover::after{content:"";position:absolute;inset:0;background:rgba(6,10,18,.28);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--t1);}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{
  font-size:14px;color:var(--t2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t3);margin-top:auto;padding-top:6px;}
.tag{
  display:inline-block;
  font-size:12px;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(60,107,255,.14);
  color:#9DB3FF;
}
.empty-card{
  grid-column:1/-1;
  text-align:center;
  padding:56px 24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px dashed var(--line);
  color:var(--t2);
  font-size:15px;
}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(36,224,200,.45);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  background:transparent;
  border:none;
  color:var(--t1);
  font-size:17px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
}
.faq-q i{color:var(--brand);transition:transform .25s var(--ease);font-size:16px;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--t2);line-height:1.85;margin:0;}

/* ---------- 频道入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.channel-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:26px 24px;
  border-radius:var(--r-card);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.channel-card:hover{transform:translateY(-2px);border-color:rgba(36,224,200,.45);}
.channel-card .ch-icon{
  width:44px;height:44px;border-radius:13px;
  display:grid;place-items:center;
  background:rgba(36,224,200,.12);
  color:var(--brand);
  font-size:18px;
}
.channel-card h3{font-size:19px;}
.channel-card h3 a{color:var(--t1);}
.channel-card h3 a:hover{color:var(--brand);}
.channel-card p{font-size:14.5px;color:var(--t2);margin:0;}
.channel-card .ch-link{font-size:14px;font-weight:600;margin-top:6px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  border-radius:var(--r-panel);
  border:1px solid rgba(36,224,200,.28);
  background:
    radial-gradient(420px 260px at 50% 0%,rgba(36,224,200,.14),transparent 70%),
    var(--bg-1);
  padding:52px 34px;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);}
.cta-band p{color:var(--t2);font-size:15.5px;max-width:640px;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:64px 0 0;
  position:relative;
  z-index:1;
  margin-top:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{font-size:18px;}
.footer-about{font-size:14px;color:var(--t2);max-width:320px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--t1);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:14px;color:var(--t2);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--t3);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    height:100vh;
    width:min(300px,84vw);
    background:rgba(9,15,26,.97);
    backdrop-filter:blur(16px);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:88px 20px 28px;
    margin-left:0;
    transform:translateX(105%);
    transition:transform .3s var(--ease);
    z-index:70;
  }
  body.nav-open .main-nav{transform:translateX(0);}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:12px;}
  .nav-toggle{display:block;z-index:80;}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual img{height:360px;}
  .tier-wrap{grid-template-columns:1fr;gap:18px;}
  .tier-card:nth-child(1),.tier-card:nth-child(2),.tier-card:nth-child(3){margin-top:0;}
  .contact-grid{grid-template-columns:1fr;gap:28px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:64px 0;}
  .hero{padding:52px 0 0;}
}
@media screen and (max-width:767px){
  .container{padding:0 16px;}
  .announce-inner{height:40px;font-size:12px;}
  .announce-text{display:none;}
  .header-inner{height:66px;gap:14px;}
  .brand-text{font-size:17px;}
  .status-chip{display:none;}
  .matrix-head{display:none;}
  .matrix-row{
    grid-template-columns:1fr;
    border-bottom:1px solid var(--line);
    padding:6px 0;
  }
  .matrix-row:last-child{border-bottom:none;}
  .matrix-row .m-cell{
    border:0;
    padding:9px 18px;
    justify-content:space-between;
    box-shadow:none;
    background:transparent;
  }
  .matrix-row .m-cell.m-dim{
    font-size:15px;
    color:var(--brand);
    border-bottom:1px dashed var(--line);
    margin-bottom:4px;
  }
  .mobile-label{display:inline;color:var(--t3);font-size:13px;}
  .matrix-row .m-cell[data-label]::after{
    content:attr(data-label);
    display:none;
  }
  .news-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .cta-band{padding:38px 20px;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .countdown-bar{padding:16px 18px;gap:12px;}
  .countdown-bar .cd-link{margin-left:0;}
  .limited .limited-clock{font-size:28px;}
}
@media screen and (max-width:519px){
  .hero-copy h1{font-size:28px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .trust-row{flex-direction:column;gap:10px;}
  .hero-visual img{height:280px;}
  .form-card{padding:22px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .btn:hover,.tier-card:hover,.news-card:hover,.channel-card:hover{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --brand:#24E0C8;
  --brand-deep:#0E9C8C;
  --accent:#3C6BFF;
  --promo:#FFB547;
  --t1:#EAF2FF;
  --t2:#9FB0C9;
  --t3:#6B7C96;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --ok:#3ED598;
  --warn:#FF7A6B;
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --ease:cubic-bezier(.4,0,.2,1);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle, rgba(255,255,255,.045) 1px, transparent 1px),
    radial-gradient(600px 600px at 10% -10%, rgba(36,224,200,.10), transparent 70%),
    radial-gradient(680px 680px at 94% 4%, rgba(60,107,255,.10), transparent 72%);
  background-size:24px 24px, auto, auto;
  background-attachment:fixed, fixed, fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid #7FF3E4;outline-offset:2px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ---------- 顶栏与导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(6,10,18,.74);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease), border-color .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,10,18,.92);border-bottom-color:rgba(36,224,200,.22);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--t1);font-weight:700;font-size:19px;white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#04211D;font-weight:800;font-size:16px;
  box-shadow:0 8px 20px rgba(36,224,200,.28);
}
.brand-text{letter-spacing:0;}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-link{
  display:inline-block;
  padding:9px 15px;
  border-radius:999px;
  color:var(--t2);
  font-size:15px;
  font-weight:500;
  text-decoration:none;
  border:1px solid transparent;
  transition:color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.nav-link:hover{color:var(--t1);background:var(--glass);}
.nav-link.is-active{color:var(--brand);background:rgba(36,224,200,.10);border-color:rgba(36,224,200,.28);}
.header-actions{display:flex;align-items:center;gap:12px;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--glass);
  color:var(--t2);font-size:12px;white-space:nowrap;
}
.status-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px rgba(62,213,152,.9);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04211D;
  box-shadow:0 10px 30px rgba(36,224,200,.28), inset 0 0 0 1px rgba(36,224,200,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(36,224,200,.42), inset 0 0 0 1px rgba(36,224,200,.5);}
.btn-primary:active{transform:translateY(0);filter:brightness(.92);}
.btn-ghost{background:transparent;border-color:rgba(36,224,200,.5);color:var(--brand);}
.btn-ghost:hover{background:rgba(36,224,200,.10);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);filter:brightness(.92);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  background:var(--glass);
  border:1px solid var(--line);
  cursor:pointer;
  padding:0;
  position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--t1);
  transition:transform .25s var(--ease), opacity .2s var(--ease), top .25s var(--ease);
}
.nav-toggle span:nth-child(1){top:14px;}
.nav-toggle span:nth-child(2){top:20px;}
.nav-toggle span:nth-child(3){top:26px;}
.nav-toggle.is-open span:nth-child(1){top:20px;transform:rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){top:20px;transform:rotate(-45deg);}

/* ---------- 文章头部 ---------- */
.article-hero{padding:30px 0 0;position:relative;}
.breadcrumb{padding:6px 0 20px;}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--t3);opacity:.6;}
.breadcrumb a{color:var(--t2);text-decoration:none;transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb [aria-current="page"]{color:var(--t2);max-width:520px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.2px;
  background:rgba(60,107,255,.12);color:#9DB6FF;border:1px solid rgba(60,107,255,.22);
}
.tag-promo{background:rgba(255,181,71,.14);color:var(--promo);border-color:rgba(255,181,71,.26);}
.article-title{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:0;
  color:var(--t1);
  margin:16px 0 18px;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;
  padding-bottom:22px;border-bottom:1px solid var(--line);
  color:var(--t3);font-size:13px;
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);font-size:12px;}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:48px;
  align-items:start;
  padding:36px 0 20px;
}
.article-main{max-width:820px;width:100%;min-width:0;}
.article-side{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.side-card h3{font-size:16px;font-weight:600;color:var(--t1);margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--brand);font-size:14px;}
.side-card p{font-size:13.5px;line-height:1.85;color:var(--t2);}
.side-list{list-style:none;display:grid;gap:12px;}
.side-list li{display:flex;gap:10px;font-size:13.5px;line-height:1.7;color:var(--t2);}
.side-list li i{color:var(--brand);font-size:12px;margin-top:6px;}
.side-links{list-style:none;display:grid;gap:4px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;color:var(--t2);font-size:14px;
  text-decoration:none;transition:background .2s var(--ease), color .2s var(--ease);
}
.side-links a:hover{background:var(--glass-strong);color:var(--brand);}
.side-links a i{font-size:11px;opacity:.7;}

/* ---------- 正文排版 ---------- */
.article-body{padding-top:34px;font-size:17px;line-height:1.9;color:#DCE6F5;max-width:820px;word-wrap:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.18em;}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.2vw,26px);
  font-weight:700;
  line-height:1.4;
  color:var(--t1);
  margin:48px 0 18px;
  padding-left:15px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.article-body h3{font-size:19px;font-weight:600;color:var(--t1);margin:32px 0 12px;line-height:1.5;}
.article-body h4{font-size:17px;font-weight:600;color:var(--t1);margin:24px 0 10px;}
.article-body ul,.article-body ol{padding-left:1.45em;margin:0 0 1.2em;}
.article-body li{margin:.42em 0;line-height:1.85;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#7FF3E4;}
.article-body strong{color:#FFFFFF;font-weight:600;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--brand);
  background:var(--glass);
  border-radius:0 14px 14px 0;
  color:var(--t2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:26px auto;box-shadow:var(--shadow-card);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap;}
.article-body th{background:var(--glass-strong);color:var(--t1);font-weight:600;}
.article-body code{background:rgba(36,224,200,.10);color:var(--brand);padding:2px 6px;border-radius:6px;font-size:.92em;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  margin:40px 0 0;
  padding:52px 28px;
  text-align:center;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  backdrop-filter:blur(14px);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(36,224,200,.12);
  border:1px solid rgba(36,224,200,.28);
  color:var(--brand);font-size:22px;font-weight:700;
}
.empty-state h2{font-size:22px;font-weight:700;color:var(--t1);margin-bottom:12px;}
.empty-state p{color:var(--t2);font-size:15px;line-height:1.85;max-width:520px;margin:0 auto 24px;}

/* ---------- 文末延伸与 CTA ---------- */
.after-article{margin-top:64px;padding-top:36px;border-top:1px solid var(--line);}
.section-head-mini{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px;}
.section-head-mini h2{font-size:21px;font-weight:700;color:var(--t1);}
.section-head-mini span{font-size:13px;color:var(--t3);}
.next-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.link-card{
  display:flex;flex-direction:column;gap:10px;
  padding:22px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  text-decoration:none;
  transition:transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}
.link-card:hover{transform:translateY(-2px);border-color:rgba(36,224,200,.45);background:var(--glass-strong);box-shadow:var(--shadow-card);}
.link-card .lc-tag{font-size:12px;color:var(--brand);}
.link-card h3{font-size:16.5px;font-weight:600;color:var(--t1);line-height:1.55;}
.link-card p{font-size:13.5px;line-height:1.8;color:var(--t2);}
.article-cta{
  margin-top:36px;
  padding:30px 32px;
  border-radius:var(--r-panel);
  background:linear-gradient(135deg, rgba(36,224,200,.10), rgba(60,107,255,.08));
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.article-cta h2{font-size:20px;font-weight:700;color:var(--t1);margin-bottom:8px;}
.article-cta p{font-size:14px;color:var(--t2);line-height:1.8;max-width:520px;}
.back-row{margin-top:26px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;font-size:14px;color:var(--t3);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;
  position:relative;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(11,18,32,.55), rgba(6,10,18,1));
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(620px 320px at 82% 0%, rgba(36,224,200,.08), transparent 70%);
}
.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
  padding:62px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--t1);margin-bottom:14px;}
.footer-about{font-size:14px;line-height:1.85;color:var(--t2);max-width:330px;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--t1);margin-bottom:16px;}
.footer-col ul{list-style:none;display:grid;gap:11px;}
.footer-col a{color:var(--t2);font-size:14px;text-decoration:none;transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-col li{font-size:14px;color:var(--t3);line-height:1.7;}
.footer-bottom{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:20px 0 32px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .article-side{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-toggle{display:block;}
  .main-nav{
    position:fixed;
    top:72px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:16px 20px 26px;
    background:rgba(11,18,32,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 48px rgba(0,0,0,.5);
    transform:translateY(-14px);
    opacity:0;
    pointer-events:none;
    transition:transform .25s var(--ease), opacity .22s var(--ease);
    margin:0;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15px;}
  .status-chip{display:none;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{height:64px;}
  .brand-text{font-size:17px;}
  .site-header .main-nav{top:64px;}
  .article-hero{padding:20px 0 0;}
  .article-body{font-size:16.5px;line-height:1.9;padding-top:26px;}
  .article-body h2{margin-top:38px;}
  .next-links{grid-template-columns:1fr;}
  .article-cta{padding:24px;}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .breadcrumb [aria-current="page"]{max-width:220px;}
  .header-actions .btn-sm{display:none;}
  .article-meta{gap:10px 16px;}
  .empty-state{padding:40px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .btn:hover,.link-card:hover{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
/* ===================== 设计变量 ===================== */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --brand:#24E0C8;
  --brand-deep:#0E9C8C;
  --accent:#3C6BFF;
  --promo:#FFB547;
  --t1:#EAF2FF;
  --t2:#9FB0C9;
  --t3:#6B7C96;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(36,224,200,.45);
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --success:#3ED598;
  --warn:#FF7A6B;
  --radius-card:18px;
  --radius-panel:20px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-brand:0 10px 30px rgba(36,224,200,.28);
  --ease:cubic-bezier(.4,0,.2,1);
  --container:1240px;
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.85) 1px, transparent 1px);
  background-size:24px 24px;
  opacity:.035;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;border-radius:var(--radius-card);}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease);}
a:hover{color:#5CF0DC;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;color:var(--t1);}
p{margin:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

/* 覆盖 Foundation 默认观感 */
body,#main-content{font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;}
.grid-container{padding-left:20px;padding-right:20px;max-width:var(--container);}
.grid-container.full{padding-left:0;padding-right:0;}
.button,button,input,select,textarea{font-family:inherit;}
input,select,textarea{appearance:none;-webkit-appearance:none;}

/* ===================== 容器与通用 ===================== */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:1;
}
.section{padding:88px 0;position:relative;z-index:1;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.3;}
.section-head p{color:var(--t2);margin-top:12px;font-size:16px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--brand);
  text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--brand),transparent);border-radius:2px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ===================== 标签 / 徽章 ===================== */
.tag{
  display:inline-block;
  padding:4px 12px;
  font-size:12px;
  line-height:1.6;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
}
.tag-accent{background:rgba(60,107,255,.12);color:#9FB4FF;border-color:rgba(60,107,255,.28);}
.tag-brand{background:rgba(36,224,200,.12);color:#7BF0DF;border-color:rgba(36,224,200,.3);}
.tag-promo{background:rgba(255,181,71,.14);color:#FFCB7E;border-color:rgba(255,181,71,.3);}
.tag-muted{background:rgba(255,255,255,.05);color:var(--t2);border-color:var(--line);}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  white-space:nowrap;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#03231F;
  box-shadow:var(--shadow-brand),inset 0 0 0 1px rgba(36,224,200,.35);
}
.btn-primary:hover{transform:translateY(-2px);color:#03231F;box-shadow:0 14px 34px rgba(36,224,200,.4),inset 0 0 0 1px rgba(36,224,200,.5);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.92);}
.btn-ghost{
  background:transparent;
  border-color:rgba(36,224,200,.45);
  color:var(--brand);
}
.btn-ghost:hover{background:rgba(36,224,200,.08);border-color:var(--brand);color:#7BF0DF;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-quiet{
  background:rgba(36,224,200,.08);
  color:var(--brand);
  border-radius:var(--radius-btn);
  padding:0 16px;height:40px;display:inline-flex;align-items:center;
}
.btn-quiet:hover{background:rgba(36,224,200,.14);}

/* ===================== 顶部导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,10,18,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,10,18,.92);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.site-header.is-scrolled::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(36,224,200,.55),transparent);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t1);flex-shrink:0;}
.brand:hover{color:var(--t1);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#03231F;font-weight:800;font-size:18px;
  box-shadow:0 8px 20px rgba(36,224,200,.28);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.01em;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:inline-block;
  padding:9px 14px;
  font-size:15px;
  color:var(--t2);
  border-radius:10px;
  border:1px solid transparent;
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{color:var(--t1);background:var(--glass);}
.nav-link.is-active{
  color:var(--brand);
  background:rgba(36,224,200,.1);
  border-color:rgba(36,224,200,.3);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--t2);
  padding:6px 12px;border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--glass);
  white-space:nowrap;
}
.status-chip .dot{
  width:7px;height:7px;border-radius:50%;background:var(--success);
  box-shadow:0 0 0 4px rgba(62,213,152,.16);
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--glass);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:transform .25s var(--ease),opacity .25s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(3,6,12,.6);
  backdrop-filter:blur(2px);z-index:55;opacity:0;pointer-events:none;transition:opacity .25s var(--ease);
}
.nav-backdrop.is-open{opacity:1;pointer-events:auto;}

/* ===================== 页头横幅 ===================== */
.page-banner{
  position:relative;
  padding:56px 0 64px;
  background:
    linear-gradient(180deg,rgba(6,10,18,.92) 0%,rgba(6,10,18,.72) 45%,rgba(6,10,18,.96) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;top:-140px;left:-80px;width:600px;height:600px;
  background:radial-gradient(circle,rgba(36,224,200,.16),transparent 62%);
  pointer-events:none;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,transparent,rgba(36,224,200,.7),rgba(60,107,255,.5),transparent);
}
.banner-inner{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);margin-bottom:22px;}
.breadcrumb a{color:var(--t2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--t3);}
.breadcrumb .current{color:var(--t3);}
.page-banner h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.25;
  margin:16px 0 18px;
  max-width:840px;
}
.banner-sub{
  color:var(--t2);font-size:17px;line-height:1.8;max-width:720px;
}
.banner-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.banner-meta .meta-item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--t2);
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:7px 14px;
}
.banner-meta .meta-item strong{color:var(--t1);font-weight:700;font-variant-numeric:tabular-nums;}

/* ===================== 速览数据条 ===================== */
.stat-strip{
  margin-top:-38px;
  position:relative;z-index:5;
}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.stat-card{
  background:linear-gradient(180deg,var(--glass-strong),var(--glass));
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 22px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.stat-card:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.stat-num{
  font-size:26px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-label{margin-top:6px;font-size:14px;color:var(--t2);}

/* ===================== 主体两栏 ===================== */
.layout-grid{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.toc{
  position:sticky;top:100px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  padding:20px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.toc-title{
  font-size:13px;color:var(--t3);letter-spacing:.08em;margin-bottom:14px;
}
.toc-list{display:flex;flex-direction:column;gap:4px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--t2);
  border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a .idx{
  font-size:12px;color:var(--t3);font-variant-numeric:tabular-nums;
}
.toc-list a:hover{background:var(--glass-strong);color:var(--t1);}
.toc-list a.is-current{color:var(--brand);background:rgba(36,224,200,.1);border-color:rgba(36,224,200,.25);}
.toc-tip{
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);line-height:1.7;
}

/* ===================== 文档分节 ===================== */
.doc-section{
  padding:0 0 44px;
  margin-bottom:44px;
  border-bottom:1px solid var(--line);
}
.doc-section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.doc-section h2{
  font-size:clamp(22px,2.2vw,30px);
  line-height:1.35;
  padding-left:16px;
  position:relative;
  margin-bottom:20px;
}
.doc-section h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.doc-section h3{
  font-size:19px;font-weight:600;margin:26px 0 10px;color:var(--t1);
}
.doc-section p{color:var(--t2);font-size:16.5px;line-height:1.85;margin-bottom:16px;}
.doc-section p strong{color:var(--t1);font-weight:600;}
.doc-section .lead{color:var(--t2);font-size:17px;}

.point-list{display:flex;flex-direction:column;gap:12px;margin:20px 0 8px;}
.point-list li{
  display:flex;gap:12px;
  padding:14px 18px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:14px;
  font-size:15px;color:var(--t2);
  transition:border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease);
}
.point-list li:hover{border-color:rgba(36,224,200,.35);background:var(--glass-strong);transform:translateX(2px);}
.point-list li .bullet{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(36,224,200,.14);color:var(--brand);
  font-size:12px;font-weight:700;margin-top:2px;
}
.point-list li strong{color:var(--t1);font-weight:600;}

/* 功能明细清单 */
.spec-list{display:flex;flex-direction:column;gap:14px;margin-top:22px;}
.spec-item{
  display:grid;grid-template-columns:190px minmax(0,1fr);
  gap:22px;
  padding:20px 22px;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.spec-item:hover{border-color:var(--line-strong);box-shadow:0 14px 32px rgba(0,0,0,.38);transform:translateY(-2px);}
.spec-name{font-size:16px;font-weight:600;color:var(--t1);line-height:1.5;}
.spec-name .spec-tag{display:block;margin-top:8px;}
.spec-body{font-size:15px;color:var(--t2);line-height:1.8;}
.spec-body span{color:var(--t3);}

/* 配图 */
.figure-block{
  margin:26px 0 6px;
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  overflow:hidden;
  background:var(--bg-1);
}
.figure-block img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.figure-block figcaption{
  padding:12px 18px;
  font-size:13px;color:var(--t3);
  border-top:1px solid var(--line);
}

/* 核对步骤 */
.step-list{display:flex;flex-direction:column;gap:18px;margin-top:22px;counter-reset:step;}
.step-item{
  display:flex;gap:18px;
  padding:20px 22px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:linear-gradient(180deg,var(--glass-strong),var(--glass));
}
.step-no{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:#03231F;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  font-variant-numeric:tabular-nums;
}
.step-item h3{margin:2px 0 8px;font-size:17px;font-weight:600;}
.step-item p{font-size:15px;color:var(--t2);margin:0;}

/* ===================== FAQ ===================== */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:28px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.faq-item:hover{border-color:rgba(36,224,200,.3);}
.faq-item[open]{background:var(--glass-strong);border-color:rgba(36,224,200,.35);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  font-size:17px;font-weight:600;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(36,224,200,.4);color:var(--brand);
  font-size:16px;line-height:1;font-weight:600;
  transition:transform .25s var(--ease),background-color .2s var(--ease);
}
.faq-item[open] summary .sign{transform:rotate(45deg);background:rgba(36,224,200,.14);}
.faq-answer{padding:0 22px 20px;font-size:15px;color:var(--t2);line-height:1.8;}

/* ===================== CTA 通栏 ===================== */
.cta-band{
  position:relative;
  padding:48px 40px;
  border-radius:var(--radius-panel);
  background:linear-gradient(120deg,rgba(36,224,200,.14),rgba(60,107,255,.12) 55%,rgba(11,18,32,.9));
  border:1px solid rgba(36,224,200,.28);
  overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--brand),transparent);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;max-width:560px;}
.cta-band p{color:var(--t2);font-size:15px;margin-top:10px;max-width:620px;}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}

/* ===================== 页脚 ===================== */
.site-footer{
  position:relative;
  margin-top:24px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:72px 0 0;
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;bottom:-220px;right:-120px;width:600px;height:600px;
  background:radial-gradient(circle,rgba(36,224,200,.1),transparent 62%);
  pointer-events:none;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  position:relative;z-index:1;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-about{color:var(--t2);font-size:14px;line-height:1.8;max-width:330px;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--t1);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:var(--t2);line-height:1.7;}
.footer-col a{color:var(--t2);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:52px;
  padding:22px 0;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
  position:relative;z-index:1;
}

/* ===================== 响应式 ===================== */
@media (max-width:1023px){
  .section{padding:64px 0;}
  .layout-grid{grid-template-columns:1fr;gap:28px;}
  .toc{
    position:static;
    padding:16px;
  }
  .toc-title{display:none;}
  .toc-list{
    flex-direction:row;
    gap:8px;
    overflow-x:auto;
    padding-bottom:6px;
    scrollbar-width:thin;
  }
  .toc-list a{white-space:nowrap;background:var(--glass);}
  .toc-tip{display:none;}

  .main-nav{
    position:fixed;top:0;right:0;bottom:0;
    width:min(84vw,340px);
    background:var(--bg-1);
    border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;
    gap:6px;
    padding:96px 20px 32px;
    transform:translateX(105%);
    transition:transform .3s var(--ease);
    z-index:70;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav .nav-link{padding:14px 16px;font-size:16px;border-radius:12px;}
  .nav-toggle{display:flex;}
  .status-chip{display:none;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container,.grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .header-inner{min-height:64px;gap:14px;}
  .brand-text{font-size:17px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;font-size:16px;}
  .page-banner{padding:40px 0 52px;}
  .page-banner h1{font-size:clamp(26px,7.4vw,36px);}
  .banner-sub{font-size:15.5px;}
  .stat-strip{margin-top:-24px;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .stat-card{padding:16px;}
  .stat-num{font-size:22px;}
  .spec-item{grid-template-columns:1fr;gap:10px;padding:18px;}
  .step-item{padding:18px;gap:14px;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-answer{padding:0 18px 18px;}
  .cta-band{padding:32px 22px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .stat-grid{grid-template-columns:1fr;}
  .banner-meta{gap:8px;}
  .banner-meta .meta-item{font-size:12px;padding:6px 11px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
  .btn:hover,.stat-card:hover,.spec-item:hover,.point-list li:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --brand:#24E0C8;
  --brand-deep:#0E9C8C;
  --accent:#3C6BFF;
  --promo:#FFB547;
  --t1:#EAF2FF;
  --t2:#9FB0C9;
  --t3:#6B7C96;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --ok:#3ED598;
  --warn:#FF7A6B;
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-glow:0 10px 30px rgba(36,224,200,.28);
  --container:1240px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease)}
a:hover{color:var(--t1)}
ul,ol{margin:0;padding:0}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0;color:var(--t1)}
button{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
h1{font-size:clamp(30px,4.4vw,54px);line-height:1.25}
h2{font-size:clamp(24px,2.6vw,36px)}
h3{font-size:21px;font-weight:600}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p{color:var(--t2);font-size:16.5px;margin-top:14px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.06em;text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--brand),transparent);border-radius:2px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,10,18,.74);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,10,18,.92);box-shadow:0 12px 34px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t1);flex:0 0 auto}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04231F;font-weight:800;font-size:18px;letter-spacing:0;
  box-shadow:0 6px 18px rgba(36,224,200,.28);
}
.brand-text{font-size:19px;font-weight:700;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:9px 14px;border-radius:10px;color:var(--t2);font-size:15px;font-weight:500;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),transparent);opacity:0;transition:opacity .2s var(--ease);
}
.nav-link:hover{color:var(--t1);background:var(--glass)}
.nav-link.is-active{color:var(--t1);background:rgba(36,224,200,.1)}
.nav-link.is-active::after{opacity:1}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:14px}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;
  font-size:12.5px;color:var(--t2);background:rgba(62,213,152,.1);border:1px solid rgba(62,213,152,.22);white-space:nowrap;
}
.status-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(62,213,152,.16)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
  background:var(--glass);cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;margin:3px auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));color:#04231F;
  box-shadow:var(--shadow-glow),inset 0 0 0 1px rgba(36,224,200,.35);
}
.btn-primary:hover{color:#04231F;transform:translateY(-2px);box-shadow:0 16px 38px rgba(36,224,200,.4),inset 0 0 0 1px rgba(36,224,200,.5)}
.btn-primary:active{transform:translateY(0);filter:brightness(.92)}
.btn-ghost{background:transparent;border-color:rgba(36,224,200,.5);color:var(--brand)}
.btn-ghost:hover{background:rgba(36,224,200,.1);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);filter:brightness(.92)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:999px}
.btn-link{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:10px;font-size:14px;font-weight:600;color:var(--brand)}
.btn-link:hover{background:rgba(36,224,200,.08);color:var(--brand)}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.4;
}
.badge-brand{background:rgba(36,224,200,.12);color:var(--brand);border:1px solid rgba(36,224,200,.26)}
.badge-accent{background:rgba(60,107,255,.14);color:#9DB2FF;border:1px solid rgba(60,107,255,.28)}
.badge-promo{background:rgba(255,181,71,.14);color:var(--promo);border:1px solid rgba(255,181,71,.28)}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:78px 0 70px;
  background:linear-gradient(180deg,var(--bg-1) 0%,var(--bg-0) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,transparent,rgba(36,224,200,.85),rgba(60,107,255,.6),transparent);
}
.page-hero::after{
  content:"";position:absolute;width:620px;height:620px;right:-180px;top:-280px;pointer-events:none;
  background:radial-gradient(circle,rgba(36,224,200,.16),transparent 66%);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.38fr) minmax(0,1fr);gap:48px;align-items:center}
.hero-copy h1{margin:20px 0 18px}
.hero-lead{color:var(--t2);font-size:17px;line-height:1.8;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.hero-meta-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--t2)}
.hero-meta-item b{color:var(--t1);font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}
.hero-meta-icon{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(36,224,200,.1);border:1px solid rgba(36,224,200,.22);color:var(--brand);
}
.hero-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-panel);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:26px;box-shadow:var(--shadow-card);position:relative;overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--brand),rgba(60,107,255,.5),transparent);
}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.hero-panel-head h2{font-size:16px;font-weight:600;color:var(--t2)}
.hero-steps{list-style:none;display:grid;gap:14px}
.hero-steps li{display:flex;gap:14px;align-items:flex-start}
.hero-steps .num{
  font-variant-numeric:tabular-nums;font-weight:700;font-size:13px;color:var(--brand);
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;
  background:var(--glass-strong);border:1px solid var(--line);
}
.hero-steps .txt strong{display:block;font-size:15px;font-weight:600;color:var(--t1)}
.hero-steps .txt span{font-size:13.5px;color:var(--t3)}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px}
.tl-step{position:relative;padding:0 0 32px 84px}
.tl-step:last-child{padding-bottom:0}
.tl-step::before{
  content:"";position:absolute;left:23px;top:52px;bottom:0;width:1px;
  background:linear-gradient(180deg,rgba(36,224,200,.55),rgba(255,255,255,.06));
}
.tl-step:last-child::before{display:none}
.tl-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
  background:var(--glass-strong);border:1px solid rgba(36,224,200,.3);color:var(--brand);
  box-shadow:0 8px 22px rgba(0,0,0,.35);
}
.tl-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.tl-card:hover{transform:translateY(-2px);border-color:rgba(36,224,200,.45)}
.tl-card h3{margin-bottom:10px}
.tl-card p{color:var(--t2);font-size:15.5px}
.tl-points{list-style:none;display:grid;gap:9px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.tl-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--t2)}
.tl-points li::before{
  content:"";position:absolute;left:2px;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 3px rgba(36,224,200,.14);
}

/* ---------- info cards ---------- */
.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.info-card{
  background:linear-gradient(180deg,var(--glass-strong),var(--glass));
  border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  box-shadow:var(--shadow-card);position:relative;overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.info-card:hover{transform:translateY(-2px);border-color:rgba(36,224,200,.45)}
.info-card::after{
  content:"";position:absolute;left:0;top:0;width:4px;height:100%;
  background:linear-gradient(180deg,var(--brand),rgba(36,224,200,0));
}
.info-card h3{margin-bottom:12px}
.info-card > p{color:var(--t2);font-size:15px}
.info-list{list-style:none;display:grid;gap:12px;margin-top:18px}
.info-list li{display:flex;gap:11px;font-size:14.5px;color:var(--t2);line-height:1.7}
.info-list .tick{
  flex:0 0 auto;width:18px;height:18px;margin-top:5px;border-radius:6px;
  background:rgba(36,224,200,.14);border:1px solid rgba(36,224,200,.3);
  display:grid;place-items:center;color:var(--brand);font-size:11px;font-weight:700;
}

/* ---------- split / checklist ---------- */
.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px;align-items:center}
.figure{position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,18,.08),rgba(6,10,18,.55));
}
.figure-caption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  font-size:13px;color:rgba(234,242,255,.82);
}
.check-list{list-style:none;display:grid;gap:14px;margin-top:22px}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:14px;
  background:var(--glass);border:1px solid var(--line);
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.check-list li:hover{border-color:rgba(36,224,200,.4);background:var(--glass-strong)}
.check-list .tick{
  flex:0 0 auto;width:22px;height:22px;margin-top:4px;border-radius:7px;
  background:rgba(36,224,200,.12);border:1px solid rgba(36,224,200,.28);
  display:grid;place-items:center;color:var(--brand);font-size:12px;font-weight:700;
}
.check-list strong{display:block;font-size:15.5px;font-weight:600;margin-bottom:4px}
.check-list span{font-size:14px;color:var(--t2);line-height:1.7}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:16px;background:var(--glass);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.faq-item:hover{border-color:rgba(36,224,200,.32)}
.faq-item.is-open{border-color:rgba(36,224,200,.45);background:var(--glass-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;background:transparent;border:0;color:var(--t1);
  font-size:17px;font-weight:600;text-align:left;cursor:pointer;line-height:1.5;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;position:relative;
  background:rgba(36,224,200,.1);border:1px solid rgba(36,224,200,.25);
  transition:transform .25s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:opacity .2s var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{margin:0 20px 20px;font-size:15px;line-height:1.8;color:var(--t2)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;border-radius:24px;padding:52px 32px;text-align:center;overflow:hidden;
  border:1px solid rgba(36,224,200,.24);
  background:linear-gradient(120deg,rgba(36,224,200,.1),rgba(60,107,255,.08) 60%,rgba(6,10,18,0));
}
.cta-band::before,.cta-band::after{
  content:"";position:absolute;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,transparent,rgba(36,224,200,.75),transparent);
}
.cta-band::before{left:0}
.cta-band::after{right:0}
.cta-band h2{margin:18px auto 14px;max-width:720px}
.cta-band p{color:var(--t2);max-width:620px;margin:0 auto 28px}
.cta-note{margin-top:18px;font-size:13px;color:var(--t3)}

/* ---------- footer ---------- */
.site-footer{margin-top:96px;border-top:1px solid var(--line);background:var(--bg-1);padding:64px 0 28px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-about{color:var(--t2);font-size:14px;line-height:1.85;max-width:330px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--t1)}
.footer-col ul{list-style:none;display:grid;gap:11px}
.footer-col li{font-size:14px;color:var(--t2)}
.footer-col a{color:var(--t2);font-size:14px}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .header-inner{min-height:66px;gap:12px}
  .nav-toggle{display:grid}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;margin:0;display:none;
    flex-direction:column;align-items:stretch;gap:4px;padding:14px 20px 20px;
    background:rgba(11,18,32,.98);border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px rgba(0,0,0,.5);
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:15.5px}
  .nav-link::after{display:none}
  .header-actions{margin-left:auto}
  .status-chip{display:none}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .split{grid-template-columns:1fr;gap:30px}
  .info-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:70px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-text{font-size:17px}
  .page-hero{padding:56px 0 50px}
  .hero-meta{gap:18px}
  .hero-meta-item{font-size:13.5px}
  .section{padding:56px 0}
  .section-head{margin-bottom:26px}
  .tl-step{padding-left:64px}
  .tl-num{width:42px;height:42px;border-radius:12px;font-size:14px}
  .tl-step::before{left:20px;top:46px}
  .tl-card{padding:20px}
  .info-card{padding:22px}
  .cta-band{padding:38px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:519px){
  body{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-meta{flex-direction:column;gap:12px}
  .nav-link{padding:11px 12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .btn:hover,.tl-card:hover,.info-card:hover{transform:none}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#060A12;
  --bg-1:#0B1220;
  --bg-2:#111C2E;
  --brand:#24E0C8;
  --brand-deep:#0E9C8C;
  --accent:#3C6BFF;
  --promo:#FFB547;
  --t1:#EAF2FF;
  --t2:#9FB0C9;
  --t3:#6B7C96;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --ok:#3ED598;
  --warn:#FF7A6B;
  --r-card:18px;
  --r-panel:20px;
  --r-btn:12px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45);
  --shadow-brand:0 10px 30px rgba(36,224,200,.28);
  --ease:cubic-bezier(.4,0,.2,1);
  --c-max:1240px;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:#7DF3E2}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 8% 2%,rgba(36,224,200,.10),transparent 70%),
    radial-gradient(660px 470px at 94% 98%,rgba(60,107,255,.10),transparent 72%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;
  background-image:radial-gradient(rgba(255,255,255,.75) 1px,transparent 1px);
  background-size:26px 26px;
}
header,main,footer{position:relative;z-index:1}
/* ============ 布局容器与栅格 ============ */
.container{width:100%;max-width:var(--c-max);margin:0 auto;padding:0 20px}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{flex:0 0 100%;max-width:100%;padding-left:12px;padding-right:12px}
.cell.small-12{flex:0 0 100%;max-width:100%}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section-head{margin-bottom:38px}
.section-title{font-size:clamp(24px,2.6vw,36px);line-height:1.3;font-weight:700;letter-spacing:0}
.section-sub{color:var(--t2);font-size:16px;margin-top:14px;max-width:72ch}
.hairline{height:1px;border:0;background:linear-gradient(90deg,transparent,rgba(36,224,200,.32),transparent);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);
  background:rgba(36,224,200,.10);
  border:1px solid rgba(36,224,200,.28);
  border-radius:999px;padding:5px 14px;margin-bottom:18px;letter-spacing:.4px;
}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);padding:13px 26px;font-size:15px;font-weight:600;
  border:1px solid transparent;text-align:center;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#04161A;
  box-shadow:var(--shadow-brand),inset 0 0 0 1px rgba(36,224,200,.35);
}
.btn-primary:hover{color:#04161A;transform:translateY(-2px);box-shadow:0 14px 34px rgba(36,224,200,.34),inset 0 0 0 1px rgba(36,224,200,.45)}
.btn-ghost{border-color:rgba(36,224,200,.45);color:var(--brand);background:transparent}
.btn-ghost:hover{color:#8CF3E4;background:rgba(36,224,200,.08);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.btn:active{transform:translateY(1px);filter:brightness(.92)}
/* ============ 徽章与标签 ============ */
.status-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--t2);
  background:var(--glass);border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;white-space:nowrap;
}
.status-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(62,213,152,.14)}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;line-height:1;padding:6px 12px;border-radius:999px;
  background:rgba(60,107,255,.12);color:#A9BEFF;border:1px solid rgba(60,107,255,.25);
}
.tag--brand{background:rgba(36,224,200,.12);color:#8CF3E4;border-color:rgba(36,224,200,.30)}
.tag--promo{background:rgba(255,181,71,.14);color:var(--promo);border-color:rgba(255,181,71,.30)}
.tag--plain{background:var(--glass);color:var(--t2);border-color:var(--line)}
/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(6,10,18,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{background:rgba(6,10,18,.9);box-shadow:0 12px 30px rgba(0,0,0,.38)}
.header-inner{display:flex;align-items:center;gap:22px;min-height:74px}
.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;
  font-weight:800;font-size:17px;color:#04161A;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:var(--shadow-brand);
}
.brand-text{font-size:19px;font-weight:700;color:var(--t1);letter-spacing:.2px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  display:inline-block;padding:9px 15px;border-radius:999px;
  font-size:15px;color:var(--t2);
  transition:color .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-link:hover{color:var(--t1);background:var(--glass)}
.nav-link.is-active{
  color:var(--brand);background:rgba(36,224,200,.10);
  box-shadow:inset 0 0 0 1px rgba(36,224,200,.28);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:var(--glass);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--t1);transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ============ 页首标题区 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 72px;
  background:
    linear-gradient(180deg,rgba(17,28,46,.85) 0%,rgba(6,10,18,.25) 60%,rgba(6,10,18,0) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,rgba(36,224,200,0),var(--brand),rgba(60,107,255,.6),rgba(36,224,200,0));
  opacity:.85;
}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--t2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--t3);opacity:.6}
.breadcrumb .current{color:var(--t1)}
.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);line-height:1.25;font-weight:700;letter-spacing:0;
}
.page-hero .lead{color:var(--t2);font-size:17px;line-height:1.8;margin-top:20px;max-width:62ch}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.quick-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:26px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.quick-panel h3{font-size:16px;font-weight:600;color:var(--t1);margin-bottom:6px}
.quick-panel .quick-note{font-size:13px;color:var(--t3);margin-bottom:10px}
.stat-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px dashed var(--line)}
.stat-row:last-child{border-bottom:0;padding-bottom:0}
.stat-label{font-size:13.5px;color:var(--t3)}
.stat-value{font-size:15px;font-weight:600;color:var(--t1);font-variant-numeric:tabular-nums}
/* ============ 资源分组 ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.filter-chip{
  font-size:13.5px;color:var(--t2);
  background:var(--glass);border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;
}
.filter-chip.is-active{color:var(--brand);background:rgba(36,224,200,.10);border-color:rgba(36,224,200,.45)}
.res-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.res-card:hover{transform:translateY(-2px);border-color:rgba(36,224,200,.45);box-shadow:0 22px 46px rgba(0,0,0,.5)}
.res-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.res-media img{width:100%;height:100%;object-fit:cover;filter:brightness(.88);transition:transform .4s var(--ease)}
.res-card:hover .res-media img{transform:scale(1.04)}
.res-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,18,.1),rgba(6,10,18,.65))}
.res-body{display:flex;flex-direction:column;gap:12px;padding:22px 24px 24px;flex:1}
.res-body .tag{align-self:flex-start}
.res-title{font-size:19px;line-height:1.45;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.res-text{font-size:14.5px;line-height:1.75;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.res-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t3);margin-top:auto}
.res-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.res-link i{font-size:12px;transition:transform .2s var(--ease)}
.res-link:hover i{transform:translateX(3px)}
/* ============ 准备清单 ============ */
.prep-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:34px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.prep-item{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--t2)}
.prep-item:last-child{border-bottom:0}
.prep-item i{color:var(--brand);font-size:15px;margin-top:5px;flex:0 0 auto}
.prep-item strong{color:var(--t1);font-weight:600}
/* ============ 卡点排查 ============ */
.trouble-list{display:flex;flex-direction:column;gap:14px}
.trouble-item{
  display:grid;grid-template-columns:minmax(220px,260px) 1fr;gap:22px;
  background:var(--glass);border:1px solid var(--line);border-radius:16px;
  padding:22px 26px;transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.trouble-item:hover{border-color:rgba(36,224,200,.35);transform:translateY(-2px)}
.trouble-item h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px}
.trouble-item p{font-size:14.5px;color:var(--t2);line-height:1.8}
/* ============ 更新提示 ============ */
.notice-band{
  border:1px solid var(--line);border-radius:var(--r-panel);
  padding:30px 34px;
  background:linear-gradient(100deg,rgba(36,224,200,.07),rgba(60,107,255,.07));
}
.notice-item{display:flex;gap:16px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--line)}
.notice-item:last-child{border-bottom:0;padding-bottom:0}
.notice-item p{font-size:15px;color:var(--t2)}
.notice-item .tag{flex:0 0 auto;margin-top:3px}
/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq-item:hover{border-color:rgba(36,224,200,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--t1);text-align:left;
}
.faq-q .faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;
  border:1px solid rgba(36,224,200,.35);color:var(--brand);
  transition:transform .25s var(--ease),background-color .25s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(36,224,200,.12)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--t2)}
/* ============ 咨询区 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;padding:48px;
  background:linear-gradient(135deg,rgba(36,224,200,.12),rgba(60,107,255,.10));
  border:1px solid rgba(36,224,200,.22);
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,rgba(36,224,200,0),var(--brand),rgba(60,107,255,.6),rgba(36,224,200,0));
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700}
.cta-band .cta-text{color:var(--t2);font-size:15.5px;margin-top:14px;max-width:70ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:24px}
.form-card{
  margin-top:34px;background:rgba(6,10,18,.5);
  border:1px solid var(--line);border-radius:var(--r-panel);padding:30px;
}
.field-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13.5px;color:var(--t2)}
.field input,.field select,.field textarea{
  height:46px;padding:0 14px;border-radius:var(--r-btn);
  background:var(--bg-1);border:1px solid var(--line);color:var(--t1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--t3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(36,224,200,.6);
  box-shadow:0 0 0 3px rgba(36,224,200,.14);
}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:22px}
.form-hint{font-size:13px;color:var(--t3)}
.form-success{
  display:none;margin-top:18px;padding:14px 18px;border-radius:var(--r-btn);
  background:rgba(62,213,152,.12);border:1px solid rgba(62,213,152,.35);
  color:#9BEBC4;font-size:14.5px;
}
.form-success.is-visible{display:block}
/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-about{font-size:14.5px;color:var(--t2);line-height:1.8;max-width:38ch}
.footer-col h4{font-size:15px;font-weight:600;color:var(--t1);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li{font-size:14.5px;color:var(--t2)}
.footer-col a{color:var(--t2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--t3);
}
/* ============ 响应式 ============ */
@media (min-width:576px){
  .cell.medium-6{flex:0 0 50%;max-width:50%}
}
@media (min-width:1024px){
  .cell.large-4{flex:0 0 33.3333%;max-width:33.3333%}
  .cell.large-5{flex:0 0 41.6667%;max-width:41.6667%}
  .cell.large-6{flex:0 0 50%;max-width:50%}
  .cell.large-7{flex:0 0 58.3333%;max-width:58.3333%}
  .cell.large-8{flex:0 0 66.6667%;max-width:66.6667%}
  .cell.large-9{flex:0 0 75%;max-width:75%}
  .cell.large-3{flex:0 0 25%;max-width:25%}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .main-nav{
    position:fixed;left:16px;right:16px;top:82px;z-index:50;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:16px;border-radius:18px;
    background:rgba(11,18,32,.97);
    border:1px solid var(--line);
    box-shadow:0 24px 50px rgba(0,0,0,.55);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s var(--ease);
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15.5px}
  .nav-toggle{display:flex}
  .header-actions .status-chip{display:none}
  .trouble-item{grid-template-columns:1fr}
  .cta-band{padding:34px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .header-inner{min-height:68px;gap:12px}
  .brand-text{font-size:17px}
  .main-nav{top:76px}
  .page-hero{padding:40px 0 52px}
  .page-hero .lead{font-size:16px}
  .prep-panel{padding:24px}
  .notice-band{padding:24px}
  .cta-band{border-radius:20px;padding:28px 20px}
  .form-card{padding:22px 18px}
  .btn{width:100%}
  .hero-actions .btn,.cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
  .res-card:hover,.trouble-item:hover,.btn:hover{transform:none}
}