/* roulang page: index */
:root{
  --bg:#0B1018;
  --surface:#111A26;
  --layer:#16222F;
  --glass:rgba(255,255,255,.04);
  --primary:#23D5C0;
  --primary-2:#4C8DFF;
  --accent:#FFB454;
  --text:#E8EEF5;
  --muted:#94A3B4;
  --dim:#6B7A8C;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --line-strong:rgba(255,255,255,.10);
  --success:#3ECF8E;
  --warn:#FF6B6B;
  --r-8:8px;
  --r-14:14px;
  --r-22:22px;
  --r-999:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 40px rgba(0,0,0,.45);
  --glow:0 0 18px rgba(35,213,192,.45);
  --nav-h:64px;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
  background-position:center top;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .16s ease,opacity .16s ease,transform .16s ease;}
a:hover{color:var(--primary);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.6vw,54px);line-height:1.18;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-y) 0;}
.section--tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-title{display:flex;align-items:center;gap:14px;font-size:clamp(22px,2.6vw,32px);}
.sec-title::before{content:"";width:3px;height:26px;border-radius:2px;background:var(--primary);flex:none;}
.sec-desc{color:var(--muted);font-size:15px;max-width:620px;margin-top:10px;}
.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--muted);padding:4px 10px;border:1px solid var(--line-strong);border-radius:var(--r-999);display:inline-block;margin-bottom:16px;}
.link-more{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px;}
.link-more i{transition:transform .16s ease;}
.link-more:hover i{transform:translateX(4px);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-999);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:background .18s ease,box-shadow .18s ease,transform .12s ease,border-color .18s ease,color .18s ease;
  text-align:center;line-height:1.2;
}
.btn-primary{
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  color:#04140f;box-shadow:var(--glow);
}
.btn-primary:hover{color:#04140f;box-shadow:0 0 26px rgba(35,213,192,.62);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;border-color:var(--line-strong);color:var(--text);
}
.btn-ghost:hover{border-color:rgba(35,213,192,.55);color:var(--primary);transform:translateY(-2px);}
.btn-text{background:none;border:none;padding:0;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:8px;cursor:pointer;}
.btn-text:hover i{transform:translateX(4px);}
.btn i{transition:transform .16s ease;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* 胶囊与徽章 */
.pill{display:inline-block;font-size:12px;letter-spacing:.12em;padding:6px 12px;border-radius:var(--r-999);border:1px solid var(--line-strong);color:var(--muted);}
.pill--primary{color:var(--primary);border-color:rgba(35,213,192,.4);background:rgba(35,213,192,.08);}
.pill--accent{color:var(--accent);border-color:rgba(255,180,84,.4);background:rgba(255,180,84,.08);}
.badge{display:inline-block;font-size:12px;letter-spacing:.04em;padding:4px 10px;border-radius:var(--r-999);border:1px solid rgba(35,213,192,.35);color:var(--primary);background:rgba(35,213,192,.07);}

/* 头部 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .2s ease,box-shadow .2s ease,backdrop-filter .2s ease;}
.notice-bar{height:28px;background:rgba(35,213,192,.08);border-bottom:1px solid rgba(35,213,192,.16);font-size:12.5px;color:#B7C6D4;}
.notice-inner{display:flex;align-items:center;justify-content:space-between;height:28px;gap:16px;}
.notice-inner span{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.notice-inner span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 8px rgba(62,207,142,.8);flex:none;}
.notice-right{display:flex;align-items:center;gap:14px;}
.notice-link{color:var(--primary);font-size:12.5px;}
.notice-close{background:none;border:none;color:var(--muted);font-size:16px;line-height:1;cursor:pointer;padding:0 2px;}
.notice-close:hover{color:var(--text);}
.nav-wrap{border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease,backdrop-filter .2s ease;}
.site-header.is-scrolled .nav-wrap{background:rgba(11,16,24,.82);backdrop-filter:blur(12px);border-bottom-color:var(--line);}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(0,0,0,.35);}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px;}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{position:relative;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,rgba(35,213,192,.28),rgba(76,141,255,.18));border:1px solid rgba(35,213,192,.45);display:inline-block;flex:none;}
.brand-mark::before{content:"";position:absolute;left:7px;top:8px;width:12px;height:12px;border:2px solid var(--primary);border-right-color:transparent;border-radius:3px;}
.brand-mark i{position:absolute;right:-3px;top:-3px;width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(35,213,192,.9);}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-link{position:relative;font-size:14.5px;color:var(--muted);padding:6px 0;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{box-shadow:0 4px 12px rgba(35,213,192,.5);}
.nav-right{display:flex;align-items:center;gap:16px;flex:none;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search i{position:absolute;left:14px;color:var(--dim);font-size:13px;pointer-events:none;}
.nav-search input{
  width:210px;height:38px;padding:0 14px 0 36px;border-radius:var(--r-999);
  background:var(--glass);border:1px solid var(--line-strong);color:var(--text);outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search input::placeholder{color:var(--dim);}
.nav-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(35,213,192,.14);background:rgba(255,255,255,.06);}
.nav-toggle{display:none;width:40px;height:36px;background:var(--glass);border:1px solid var(--line-strong);border-radius:var(--r-8);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px;}
.nav-toggle span{display:block;width:16px;height:1.5px;background:var(--text);border-radius:2px;}

/* 移动抽屉 */
.mobile-drawer{
  display:none;position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:80;
  background:rgba(12,18,27,.97);backdrop-filter:blur(14px);
  border-left:1px solid var(--line-strong);padding:24px 22px;overflow-y:auto;
  transform:translateX(102%);transition:transform .26s ease;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{background:none;border:none;color:var(--muted);font-size:20px;cursor:pointer;}
.drawer-nav a{display:block;padding:14px 4px;border-bottom:1px solid var(--line-soft);color:var(--muted);font-size:15px;}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--primary);}
.drawer-cta{margin-top:24px;}
.overlay-mask{position:fixed;inset:0;background:rgba(4,8,13,.6);z-index:70;opacity:0;visibility:hidden;transition:opacity .24s ease;}
.overlay-mask.is-open{opacity:1;visibility:visible;}

/* 页面主体与首屏 */
.page{padding-top:92px;}
.no-notice .page{padding-top:var(--nav-h);}
.hero{position:relative;padding:56px 0 84px;overflow:hidden;}
.hero::before{content:"";position:absolute;top:-160px;right:-80px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(35,213,192,.18),rgba(35,213,192,0) 68%);pointer-events:none;}
.hero-grid{display:grid;grid-template-columns:46fr 54fr;gap:24px;align-items:center;min-height:620px;max-height:88vh;}
.hero-content{max-width:640px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.hero h1{max-width:14em;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;color:var(--muted);max-width:34em;margin:20px 0 30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 26px;font-size:13.5px;color:var(--muted);border-top:1px solid var(--line-soft);padding-top:18px;}
.hero-meta li{display:inline-flex;align-items:center;gap:8px;}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);flex:none;opacity:.85;}
.hero-visual{position:relative;border-radius:var(--r-22);overflow:hidden;min-height:440px;border:1px solid var(--line-strong);box-shadow:var(--sh-1);}
.hero-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:var(--layer);}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 88% 12%,rgba(35,213,192,.30),rgba(35,213,192,0) 52%),
    linear-gradient(180deg,rgba(11,16,24,.30) 0%,rgba(11,16,24,.72) 100%);
}
.status-card{
  position:absolute;left:26px;bottom:26px;right:26px;z-index:3;
  background:rgba(17,26,38,.62);backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);border-radius:var(--r-22);padding:20px 22px;
  box-shadow:var(--sh-2);
}
.status-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.status-top strong{font-size:15px;font-weight:600;}
.status-live{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--success);}
.status-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 9px rgba(62,207,142,.9);}
.status-rows{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;}
.status-rows div{display:flex;align-items:baseline;justify-content:space-between;gap:10px;border-top:1px solid var(--line-soft);padding-top:9px;font-size:13px;color:var(--muted);}
.status-rows div b{color:var(--text);font-weight:600;font-size:14px;}

/* 时间线 */
.timeline{position:relative;padding:6px 0;}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;transform:translateX(-50%);background:linear-gradient(180deg,rgba(35,213,192,.55),rgba(255,255,255,.06));}
.tl-item{position:relative;width:50%;padding-right:52px;margin-bottom:26px;}
.tl-item:nth-child(even){margin-left:50%;padding-right:0;padding-left:52px;}
.tl-dot{position:absolute;top:30px;right:-6px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid var(--dim);}
.tl-item:nth-child(even) .tl-dot{right:auto;left:-6px;}
.tl-item.is-done .tl-dot{background:var(--primary);border-color:var(--primary);box-shadow:0 0 12px rgba(35,213,192,.75);}
.tl-item.is-now .tl-dot{background:var(--accent);border-color:var(--accent);box-shadow:0 0 14px rgba(255,180,84,.7);}
.tl-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-14);padding:20px 22px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
.tl-card:hover{border-color:rgba(35,213,192,.35);box-shadow:var(--sh-1);transform:translateY(-3px);}
.tl-time{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.06em;margin-bottom:8px;}
.tl-card h3{font-size:18px;margin-bottom:8px;}
.tl-card p{font-size:14.5px;color:var(--muted);margin-bottom:12px;}
.tl-item:nth-child(odd) .tl-card{text-align:right;}
.tl-item:nth-child(odd) .tl-card .pill{margin-left:6px;}

/* 亮点卡 */
.guest-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.guest-card{position:relative;border-radius:var(--r-14);overflow:hidden;border:1px solid var(--line);background:var(--surface);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;}
.guest-card:hover{transform:translateY(-4px);border-color:rgba(35,213,192,.4);box-shadow:var(--sh-2);}
.guest-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--layer);}
.guest-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.guest-card:hover .guest-media img{transform:scale(1.03);}
.guest-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,24,0) 40%,rgba(11,16,24,.88) 100%);}
.guest-body{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;}
.guest-body h3{font-size:16px;margin-bottom:4px;}
.guest-body span{font-size:12.5px;color:var(--muted);}

/* 票种 */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.ticket{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-22);padding:30px 26px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
.ticket:hover{border-color:rgba(35,213,192,.35);box-shadow:var(--sh-1);}
.ticket--featured{
  background:rgba(17,26,38,.66);backdrop-filter:blur(14px);
  border-color:rgba(35,213,192,.55);transform:translateY(-12px);
  box-shadow:0 14px 40px rgba(0,0,0,.45),inset 0 0 0 1px rgba(35,213,192,.22);
}
.ticket-tag{position:absolute;top:-12px;left:26px;font-size:12px;letter-spacing:.1em;padding:5px 12px;border-radius:var(--r-999);background:var(--accent);color:#1d1305;font-weight:700;}
.ticket h3{font-size:20px;margin-bottom:6px;}
.ticket .ticket-note{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.price{display:flex;align-items:baseline;gap:6px;margin-bottom:22px;}
.price b{font-size:40px;font-weight:700;color:var(--accent);letter-spacing:-.02em;}
.ticket--featured .price b{font-size:46px;}
.price span{font-size:13.5px;color:var(--muted);}
.ticket ul{margin-bottom:26px;}
.ticket li{position:relative;padding-left:24px;font-size:14.5px;color:var(--muted);margin-bottom:11px;line-height:1.7;}
.ticket li::before{
  content:"";position:absolute;left:2px;top:9px;width:7px;height:12px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(42deg);
}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-14);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
.news-card:hover{border-color:rgba(35,213,192,.32);box-shadow:var(--sh-2);transform:translateY(-4px);}
.news-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--layer);}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-media img{transform:scale(1.04);}
.news-body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1;}
.news-body .badge{align-self:flex-start;margin-bottom:12px;}
.news-body h3{font-size:16.5px;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover h3{color:var(--primary);}
.news-body p{font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--dim);border-top:1px solid var(--line-soft);padding-top:12px;}
.news-foot i{transition:transform .18s ease;}
.news-card:hover .news-foot i{transform:translateX(4px);color:var(--primary);}
.empty-state{border:1px dashed var(--line-strong);border-radius:var(--r-14);padding:48px 24px;text-align:center;color:var(--muted);}
.empty-state p{margin-bottom:18px;}
.skeleton-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.skeleton{border-radius:var(--r-14);background:linear-gradient(90deg,rgba(255,255,255,.05) 0%,rgba(255,255,255,.09) 50%,rgba(255,255,255,.05) 100%);background-size:200% 100%;animation:sk 1.4s ease-in-out infinite;height:230px;}
@keyframes sk{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line-soft);}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-q{
  width:100%;background:none;border:none;text-align:left;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:16.5px;font-weight:600;cursor:pointer;line-height:1.6;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-q .faq-ico{position:relative;width:18px;height:18px;flex:none;}
.faq-q .faq-ico::before,.faq-q .faq-ico::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.faq-q .faq-ico::before{left:0;top:8px;width:18px;height:2px;}
.faq-q .faq-ico::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-q .faq-ico::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a-inner{padding:0 4px 24px;color:var(--muted);font-size:15px;background:var(--glass);border-radius:var(--r-8);padding:16px 18px;margin-bottom:20px;border-left:3px solid var(--primary);}
.faq-item.is-open .faq-a{max-height:340px;}

/* 报名 CTA */
.cta-band{position:relative;overflow:hidden;background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-band::before{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(35,213,192,.20),rgba(35,213,192,0) 66%);}
.cta-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.cta-copy h2{margin-bottom:18px;}
.cta-copy p{color:var(--muted);max-width:34em;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{position:relative;padding-left:22px;color:var(--muted);font-size:15px;}
.cta-points li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--primary);opacity:.85;}
.form-card{
  background:rgba(17,26,38,.66);backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);border-radius:var(--r-22);padding:30px 28px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-tip{font-size:13px;color:var(--dim);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.03);border:1px solid var(--line-strong);
  border-radius:var(--r-8);color:var(--text);padding:12px 14px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{resize:vertical;min-height:92px;line-height:1.7;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(35,213,192,.16);background:rgba(255,255,255,.05);}
.field.has-error input,.field.has-error select{border-color:var(--warn);box-shadow:0 0 0 3px rgba(255,107,107,.14);}
.field-error{display:none;font-size:12px;color:var(--warn);margin-top:6px;}
.field.has-error .field-error{display:block;}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);margin:6px 0 20px;}
.check-line input{width:16px;height:16px;margin-top:5px;accent-color:var(--primary);flex:none;}
.form-note{font-size:12.5px;color:var(--dim);margin-top:14px;text-align:center;}

/* 页脚 */
.site-footer{background:#080D14;border-top:1px solid var(--line-soft);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);max-width:30em;}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:18px;letter-spacing:.04em;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--muted);display:inline-block;}
.footer-col a:hover{color:var(--primary);transform:translateX(2px);}
.footer-contact li{font-size:14px;color:var(--muted);margin-bottom:11px;}
.footer-bottom{margin-top:56px;border-top:1px solid var(--line-soft);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;}
.footer-bottom p{font-size:13px;color:var(--dim);margin:0;}
.back-top{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;
  color:var(--muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.back-top:hover{border-color:var(--primary);color:var(--primary);box-shadow:var(--glow);transform:translateY(-3px);}

/* 响应式 */
@media (max-width:1200px){
  .container{max-width:1140px;}
  .guest-grid,.news-grid,.skeleton-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
  :root{--sec-y:72px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .mobile-drawer{display:block;}
  .hero-grid{grid-template-columns:1fr;min-height:auto;max-height:none;gap:36px;}
  .hero{padding:44px 0 64px;}
  .hero-visual{min-height:380px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .ticket-grid{grid-template-columns:1fr;gap:32px;}
  .ticket--featured{transform:none;order:-1;}
  .timeline::before{left:6px;transform:none;}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding-left:34px;padding-right:0;}
  .tl-item:nth-child(odd) .tl-card{text-align:left;}
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:0;right:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--sec-y:56px;--nav-h:56px;}
  .page{padding-top:84px;}
  .no-notice .page{padding-top:56px;}
  .container{padding:0 16px;}
  .nav-search{display:none;}
  .sec-head{margin-bottom:28px;}
  .news-grid,.guest-grid,.skeleton-grid{grid-template-columns:1fr;}
  .guest-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;padding-bottom:8px;}
  .guest-card{min-width:78%;scroll-snap-align:start;}
  .status-card{left:16px;right:16px;bottom:16px;padding:16px;}
  .status-rows{grid-template-columns:1fr;}
  .hero-sub{font-size:16px;}
  .form-card{padding:24px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  body{font-size:15px;}
  .hero-cta .btn{width:100%;}
  .btn{padding:13px 20px;}
  .brand-text{font-size:15.5px;}
  .price b{font-size:34px;}
  .ticket--featured .price b{font-size:38px;}
  .faq-q{font-size:15.5px;padding:18px 2px;}
}

/* roulang page: article */
:root{
  --bg:#0B1018;--surface:#111A26;--layer:#16222F;--glass:rgba(255,255,255,.04);
  --primary:#23D5C0;--accent:#FFB454;--blue:#4C8DFF;
  --text:#E8EEF5;--text-2:#94A3B4;--text-3:#6B7A8C;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.14);
  --success:#3ECF8E;--warn:#FF6B6B;
  --r8:8px;--r14:14px;--r22:22px;--r999:999px;
  --sh1:0 8px 24px rgba(0,0,0,.35);--sh2:0 14px 40px rgba(0,0,0,.45);
  --glow:0 0 18px rgba(35,213,192,.45);
  --grad:linear-gradient(120deg,#23D5C0 0%,#4C8DFF 100%);
  --head-offset:92px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--text);text-decoration:none;transition:color .16s ease,opacity .16s ease}
a:hover{color:var(--primary)}
p{margin:0 0 18px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.row{max-width:1200px;margin-left:auto;margin-right:auto}

/* ============ 头部与导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120}
.notice-bar{height:28px;background:rgba(35,213,192,.08);border-bottom:1px solid var(--line);font-size:12.5px;color:var(--text-2);overflow:hidden}
.notice-inner{display:flex;align-items:center;justify-content:space-between;height:28px;gap:16px}
.notice-right{display:flex;align-items:center;gap:14px}
.notice-link{color:var(--primary);font-size:12.5px}
.notice-close{background:none;border:0;color:var(--text-3);font-size:16px;line-height:1;cursor:pointer;padding:0 4px}
.notice-close:hover{color:var(--primary)}
body.no-notice .notice-bar{display:none}
body.no-notice{--head-offset:64px}
.nav-wrap{height:64px;background:rgba(11,16,24,.62);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:background .2s ease}
.site-header.is-scrolled .nav-wrap{background:rgba(11,16,24,.86)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0}
.nav-right{display:flex;align-items:center;gap:14px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.brand-mark{position:relative;width:26px;height:26px;border-radius:8px;border:1.5px solid rgba(35,213,192,.7);background:rgba(35,213,192,.08);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;right:-3px;top:-3px;width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(35,213,192,.9)}
.brand-mark i{width:9px;height:9px;border-radius:2px;background:rgba(35,213,192,.55);display:block}
.brand-text{background:linear-gradient(120deg,#E8EEF5 40%,#23D5C0 130%);-webkit-background-clip:text;background-clip:text;color:transparent}
.main-nav{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;font-size:14.5px;color:var(--text-2);padding:6px 0;white-space:nowrap}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 2px 10px rgba(35,213,192,.5)}
.nav-search{display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--r999);background:rgba(255,255,255,.03);transition:border-color .18s ease}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(35,213,192,.14)}
.nav-search i{color:var(--text-3);font-size:13px}
.nav-search input{width:180px;background:none;border:0;outline:none;font-size:13.5px;color:var(--text)}
.nav-search input::placeholder{color:var(--text-3)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:38px;border:1px solid var(--line-strong);border-radius:var(--r8);background:rgba(255,255,255,.03);cursor:pointer}
.nav-toggle span{display:block;height:2px;width:18px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
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)}

/* ============ 按钮 / 徽章 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--r999);border:1px solid transparent;font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:all .2s ease;text-decoration:none;white-space:nowrap}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad);color:#04141A;box-shadow:var(--glow)}
.btn-primary:hover{color:#04141A;filter:brightness(1.07);box-shadow:0 0 26px rgba(35,213,192,.6)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.45;pointer-events:none}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);box-shadow:0 0 14px rgba(35,213,192,.18)}
.btn-ghost:active{transform:translateY(1px)}
.link-more{color:var(--primary);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-more:hover{gap:10px;color:var(--primary)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r999);font-size:12px;letter-spacing:.1em;border:1px solid var(--line-strong);color:var(--text-2)}
.badge-primary{border-color:rgba(35,213,192,.4);color:var(--primary);background:rgba(35,213,192,.08)}
.badge-accent{border-color:rgba(255,180,84,.4);color:var(--accent);background:rgba(255,180,84,.08)}

/* ============ 文章页头 ============ */
main{padding-top:var(--head-offset)}
.page-hero{position:relative;overflow:hidden;padding:56px 0 44px;background-image:url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center;border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,24,.86) 0%,rgba(11,16,24,.93) 70%,var(--bg) 100%)}
.page-hero::after{content:"";position:absolute;top:-120px;right:-80px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(35,213,192,.22) 0%,rgba(35,213,192,0) 68%);pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:920px;margin:0 auto}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb i{font-style:normal;color:var(--text-3)}
.breadcrumb em{font-style:normal;max-width:330px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2)}
.hero-inner h1{font-size:clamp(28px,4.2vw,44px);line-height:1.2;letter-spacing:-.01em;margin:16px 0 18px;max-width:860px}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;color:var(--text-2);font-size:13.5px;font-variant-numeric:tabular-nums}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{color:var(--primary);font-size:12.5px}
.hero-line{height:1px;background:var(--line);margin-top:26px}

/* ============ 正文布局 ============ */
.article-shell{display:grid;grid-template-columns:minmax(0,760px) 230px;gap:56px;justify-content:center;align-items:start;padding:56px 0 72px}
.article-shell.no-toc{grid-template-columns:minmax(0,760px)}
.article-body{min-width:0;font-size:16px;line-height:1.9;color:var(--text)}
.article-body>p:first-of-type{font-size:17px;color:#DCE5EE}
.article-body p{margin:0 0 18px}
.article-body h2{position:relative;font-size:26px;line-height:1.38;margin:44px 0 18px;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--primary)}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;margin:32px 0 14px}
.article-body h4{font-size:17px;margin:24px 0 12px;color:var(--text-2)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:6px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:0;top:13px;width:7px;height:7px;border-radius:50%;background:var(--primary);opacity:.85}
.article-body ol{counter-reset:item;padding-left:0}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:10px;counter-increment:item}
.article-body ol li::before{content:counter(item);position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;border:1px solid rgba(35,213,192,.45);color:var(--primary);font-size:12px;line-height:19px;text-align:center;font-variant-numeric:tabular-nums}
.article-body blockquote{margin:24px 0;padding:16px 22px;border-left:3px solid var(--primary);background:rgba(255,255,255,.03);border-radius:0 var(--r14) var(--r14) 0;color:var(--text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r14);border:1px solid var(--line);margin:8px 0 12px}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;font-variant-numeric:tabular-nums}
.article-body th,.article-body td{padding:12px 14px;border:0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-body thead th{background:rgba(35,213,192,.08);color:var(--text);font-weight:600}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px}
.article-body pre{background:#0A1119;border:1px solid var(--line);border-radius:var(--r14);padding:16px 18px;overflow:auto;margin:22px 0}
.article-body pre code{background:none;padding:0}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{opacity:.85}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body .tip,.article-body .notice-block{padding:16px 20px;border-left:3px solid var(--accent);background:rgba(255,180,84,.07);border-radius:0 var(--r14) var(--r14) 0;margin:22px 0;color:var(--text-2)}

/* 目录 */
.article-toc{position:sticky;top:104px;border:1px solid var(--line);border-radius:var(--r14);background:var(--surface);padding:18px 18px 14px}
.toc-title{font-size:13px;letter-spacing:.12em;color:var(--text-3);font-weight:600;margin-bottom:12px}
.toc-list li{margin-bottom:9px}
.toc-list a{display:block;font-size:13.5px;line-height:1.6;color:var(--text-2);border-left:2px solid transparent;padding-left:10px}
.toc-list a:hover,.toc-list a.is-current{color:var(--primary);border-left-color:var(--primary)}
.article-toc[hidden]{display:none}

/* 空态 */
.article-empty-wrap{padding:72px 0 90px}
.empty-state{max-width:640px;margin:0 auto;text-align:center;border:1px dashed var(--line-strong);border-radius:var(--r22);padding:52px 32px;background:rgba(255,255,255,.02)}
.empty-state h2{font-size:24px;margin-bottom:14px}
.empty-state p{color:var(--text-2);margin-bottom:24px}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{position:relative;font-size:clamp(22px,2.6vw,30px);line-height:1.32;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--primary)}
.section-head p{color:var(--text-2);font-size:14.5px;margin:10px 0 0;padding-left:16px;max-width:640px}

/* 卡片 */
.card{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r14);overflow:hidden;box-shadow:var(--sh1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;text-decoration:none}
.card:hover{transform:translateY(-4px);border-color:rgba(35,213,192,.4);box-shadow:var(--sh2)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--layer)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-body h3{color:var(--primary)}
.card-body p{font-size:14px;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);margin-top:auto;font-variant-numeric:tabular-nums}
.card-foot i{color:var(--primary);font-size:12px}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}

/* 上下篇 */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:36px}
.post-nav a{display:block;border:1px solid var(--line);border-radius:var(--r14);padding:18px 20px;background:var(--surface);transition:border-color .2s ease,transform .2s ease}
.post-nav a:hover{border-color:rgba(35,213,192,.45);transform:translateY(-2px)}
.post-nav span{display:block;font-size:12.5px;letter-spacing:.1em;color:var(--text-3);margin-bottom:8px}
.post-nav strong{font-size:15.5px;font-weight:600;color:var(--text)}
.post-nav a:hover strong{color:var(--primary)}
.article-tail{margin-top:40px}

/* FAQ */
.accordion{background:transparent;border:0;margin:0}
.accordion-item{border:1px solid var(--line);border-radius:var(--r14);background:var(--surface);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease}
.accordion-item:hover{border-color:rgba(35,213,192,.3)}
.accordion-item.is-active{border-color:rgba(35,213,192,.35)}
.accordion-title{display:block;padding:18px 54px 18px 22px;font-size:16px;font-weight:600;color:var(--text);background:transparent;border:0;position:relative;line-height:1.6}
.accordion-title:hover{color:var(--primary)}
.accordion-title::before{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:20px;line-height:1;color:var(--primary);font-weight:400;transition:transform .2s ease}
.accordion-item.is-active .accordion-title::before{content:"−"}
.accordion-content{padding:0 22px 20px;background:rgba(255,255,255,.03);border-top:1px solid var(--line);color:var(--text-2);font-size:15px}
.accordion-content p:last-child{margin-bottom:0}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(120deg,#0C1420 0%,#101B28 100%)}
.cta-band::after{content:"";position:absolute;left:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(35,213,192,.18) 0%,rgba(35,213,192,0) 70%)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;padding:64px 0}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:14px}
.cta-inner p{color:var(--text-2);max-width:520px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-panel{border:1px solid var(--line-strong);border-radius:var(--r22);background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:26px 26px 24px}
.cta-panel ul li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.cta-panel ul li:last-child{border-bottom:0}
.cta-panel i{color:var(--primary);font-size:13px;margin-top:6px}

/* ============ 页脚 ============ */
.site-footer{background:#080D14;border-top:1px solid rgba(255,255,255,.06);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand p{color:var(--text-2);font-size:14px;margin:16px 0 0;max-width:300px;line-height:1.8}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:var(--text);margin-bottom:18px;font-weight:600}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:var(--text-2);display:inline-block}
.footer-col ul li a:hover{color:var(--primary);transform:translateX(2px)}
.footer-contact li{font-size:14px;color:var(--text-2);margin-bottom:11px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid rgba(255,255,255,.06);padding:20px 0;font-size:13px;color:var(--text-3)}
.back-top{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;color:var(--text-2);cursor:pointer;transition:all .2s ease}
.back-top:hover{border-color:var(--primary);color:var(--primary);box-shadow:0 0 16px rgba(35,213,192,.4)}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{max-width:1140px}
  .nav-left{gap:24px}
  .main-nav{gap:18px}
  .nav-search input{width:140px}
  .article-shell{gap:40px;grid-template-columns:minmax(0,700px) 210px}
}
@media (max-width:1024px){
  .nav-search{display:none}
  .main-nav{gap:14px}
  .nav-link{font-size:13.5px}
  .article-shell{grid-template-columns:minmax(0,1fr);gap:0}
  .article-toc{display:none}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--head-offset:84px}
  body.no-notice{--head-offset:56px}
  .nav-wrap,.nav-inner{height:56px}
  .container{padding:0 16px}
  .nav-toggle{display:flex}
  .main-nav{position:fixed;top:0;left:0;right:0;bottom:0;padding:104px 24px 32px;background:rgba(9,13,20,.97);backdrop-filter:blur(14px);flex-direction:column;align-items:flex-start;gap:6px;transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:-1}
  .nav-link{font-size:17px;padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{color:var(--primary)}
  body.nav-open .main-nav{opacity:1;transform:translateY(0);pointer-events:auto;z-index:110}
  body.nav-open{overflow:hidden}
  .nav-right .btn-sm{height:34px;padding:0 14px;font-size:13px}
  .page-hero{padding:36px 0 32px}
  .hero-inner h1{margin:14px 0 16px}
  .hero-meta{gap:10px 16px;font-size:13px}
  .article-shell{padding:36px 0 52px}
  .article-body h2{font-size:22px;margin:34px 0 14px}
  .article-body{font-size:15.5px}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .rec-grid{grid-template-columns:1fr;gap:18px}
  .post-nav{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:34px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-panel{padding:22px 20px}
}
@media (max-width:520px){
  .btn{width:100%}
  .nav-right .btn-sm{width:auto}
  .hero-meta{font-size:12.5px}
  .article-body table{font-size:14px}
  .article-body th,.article-body td{padding:10px 10px}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --bg:#0B1018;
  --surface:#111A26;
  --layer:#16222F;
  --glass:rgba(255,255,255,.04);
  --primary:#23D5C0;
  --primary-deep:#4C8DFF;
  --accent:#FFB454;
  --text:#E8EEF5;
  --text-2:#94A3B4;
  --text-3:#6B7A8C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --success:#3ECF8E;
  --warn:#FF6B6B;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:22px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 14px 40px rgba(0,0,0,.45);
  --glow:0 0 18px rgba(35,213,192,.45);
  --ease:120ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:96px;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-notice{padding-top:64px;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
h1{font-size:clamp(30px,4.6vw,54px);font-weight:700;line-height:1.18;letter-spacing:-.01em;}
h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;}
h3{font-size:20px;font-weight:600;line-height:1.45;}
p{font-size:16px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
::selection{background:rgba(35,213,192,.28);color:#fff;}

/* ---------- 容器与区块 ---------- */
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section--surface{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:3px;border-radius:2px;background:var(--primary);}
.section-head .head-note{color:var(--text-2);font-size:15px;max-width:520px;}
.body-text{color:var(--text-2);max-width:760px;margin-bottom:18px;}
.body-text strong{color:var(--text);font-weight:600;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  padding:13px 26px;border-radius:var(--radius-pill);border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease,filter .16s ease;
}
.btn-primary{background:linear-gradient(135deg,#23D5C0 0%,#4C8DFF 100%);color:#04141a;box-shadow:var(--glow);}
.btn-primary:hover{color:#04141a;filter:brightness(1.08);box-shadow:0 0 26px rgba(35,213,192,.6);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;color:var(--primary);}
.link-more:hover{gap:10px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-block;font-size:12px;letter-spacing:.08em;
  padding:5px 12px;border-radius:var(--radius-pill);
  border:1px solid rgba(35,213,192,.45);color:var(--primary);
}
.badge-accent{border-color:rgba(255,180,84,.5);color:var(--accent);}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.12em;
  padding:6px 12px;border-radius:var(--radius-pill);
  border:1px solid rgba(35,213,192,.4);color:var(--primary);
  margin-bottom:20px;
}

/* ---------- 顶部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:300;}
.notice-bar{background:#0d141d;border-bottom:1px solid var(--line);}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:32px;font-size:13px;color:var(--text-2);}
.notice-right{display:flex;align-items:center;gap:12px;}
.notice-link{font-size:13px;color:var(--primary);}
.notice-close{background:none;border:0;color:var(--text-3);font-size:16px;line-height:1;cursor:pointer;padding:2px 6px;border-radius:6px;}
.notice-close:hover{color:var(--text);}
.nav-wrap{background:rgba(11,16,24,.62);transition:background .2s ease,box-shadow .2s ease;}
.site-header.is-scrolled .nav-wrap{background:rgba(11,16,24,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
.nav-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.nav-left{display:flex;align-items:center;gap:32px;min-width:0;}
.nav-right{display:flex;align-items:center;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;flex:0 0 auto;}
.brand-mark{position:relative;display:inline-flex;width:26px;height:26px;border-radius:9px;background:linear-gradient(135deg,#23D5C0,#4C8DFF);}
.brand-mark::after{content:"";position:absolute;left:7px;top:7px;width:10px;height:10px;border-radius:3px;background:#0B1018;}
.brand-mark i{position:absolute;right:-2px;bottom:-2px;width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(35,213,192,.9);border:2px solid #0B1018;}
.brand-text{font-size:17px;letter-spacing:.01em;color:var(--text);}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:8px 8px;}
.nav-link::after{content:"";position:absolute;left:8px;right:8px;bottom:0;height:2px;border-radius:2px;background:transparent;transition:background .12s ease,box-shadow .12s ease;}
.nav-link:hover{color:var(--text);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{background:var(--primary);box-shadow:0 2px 10px rgba(35,213,192,.6);}
.nav-search{display:flex;align-items:center;gap:8px;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-pill);padding:7px 14px;color:var(--text-3);}
.nav-search input{background:transparent;border:0;outline:none;font-size:14px;width:168px;color:var(--text);}
.nav-search input::placeholder{color:var(--text-3);}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:transparent;border:1px solid var(--line-strong);border-radius:10px;cursor:pointer;padding:0;}
.nav-toggle span{display:block;height:2px;width:16px;margin:0 auto;background:var(--text);border-radius:2px;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:76px 0 64px;
  border-bottom:1px solid var(--line);
  background-image:
    radial-gradient(720px 340px at 86% -12%, rgba(35,213,192,.18), transparent 68%),
    linear-gradient(180deg, rgba(11,16,24,.86) 0%, rgba(11,16,24,.96) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:auto,auto,cover;
  background-position:center,center,center;
  background-repeat:no-repeat;
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
}
.page-head > .grid-container{position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-3);margin-bottom:26px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb em{font-style:normal;color:var(--text-3);}
.lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:640px;margin-top:20px;}
.head-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px;}

/* ---------- 状态卡 ---------- */
.status-card{background:var(--layer);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-1);margin-top:36px;}
.status-head{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);padding-bottom:18px;border-bottom:1px solid var(--line);}
.status-head .badge{margin-left:auto;}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 10px rgba(62,207,142,.85);flex:0 0 auto;}
.metric-list{display:flex;flex-direction:column;margin-top:8px;}
.metric-list li{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14.5px;}
.metric-list li:last-child{border-bottom:0;}
.metric-list span{color:var(--text-2);}
.metric-list strong{font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;text-align:right;}

/* ---------- 栏目导航 ---------- */
.cat-nav{background:var(--surface);border-bottom:1px solid var(--line);}
.cat-nav-inner{display:flex;align-items:center;gap:10px;padding:14px 0;overflow-x:auto;-ms-overflow-style:none;scrollbar-width:none;}
.cat-nav-inner::-webkit-scrollbar{display:none;}
.cat-nav-item{flex:0 0 auto;font-size:14px;color:var(--text-2);border:1px solid var(--line);border-radius:var(--radius-pill);padding:8px 18px;white-space:nowrap;}
.cat-nav-item:hover{border-color:rgba(35,213,192,.5);color:var(--primary);}
.cat-nav-item.is-current{background:rgba(35,213,192,.12);border-color:rgba(35,213,192,.6);color:var(--primary);font-weight:600;}

/* ---------- 步骤清单 ---------- */
.step-list{display:flex;flex-direction:column;gap:16px;margin-top:28px;}
.step-item{display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.step-item:hover{transform:translateY(-2px);border-color:rgba(35,213,192,.3);box-shadow:var(--shadow-1);}
.step-no{flex:0 0 auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;font-size:15px;font-weight:700;letter-spacing:.06em;color:var(--accent);}
.step-item h3{font-size:19px;margin-bottom:6px;}
.step-item p{color:var(--text-2);font-size:15px;margin:0;}

/* ---------- 侧栏 ---------- */
.side-stack{display:flex;flex-direction:column;gap:24px;margin-top:36px;}
.side-figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:#1b2734;}
.side-figure img{width:100%;height:100%;object-fit:cover;}
.side-note{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;}
.side-note h3{font-size:18px;margin-bottom:14px;}
.tick-list{display:flex;flex-direction:column;gap:12px;}
.tick-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--text-2);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.52em;width:14px;height:8px;
  border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(-45deg);border-radius:1px;
}

/* ---------- 卡片 ---------- */
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;height:100%;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.card:hover{transform:translateY(-4px);border-color:rgba(35,213,192,.3);box-shadow:var(--shadow-2);}
.card:hover h3{color:var(--primary);}
.card-media{position:relative;aspect-ratio:16/9;background:#1b2734;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 22px 24px;}
.card-body h3{font-size:18px;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .16s ease;}
.card-body p{color:var(--text-2);font-size:14.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;font-size:13px;color:var(--text-3);}
.card-foot i{color:var(--primary);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .18s ease;}
.faq-item.is-open{border-color:rgba(35,213,192,.4);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:0;color:var(--text);font-size:16px;font-weight:600;text-align:left;padding:20px 24px;cursor:pointer;line-height:1.6;}
.faq-q:hover{color:var(--primary);}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px;color:var(--primary);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease;}
.faq-icon::before{width:13px;height:2px;}
.faq-icon::after{width:2px;height:13px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;background:rgba(255,255,255,.03);}
.faq-a p{padding:0 24px 20px;margin:0;color:var(--text-2);font-size:15px;line-height:1.85;}
.faq-item.is-open .faq-a{max-height:320px;}

/* ---------- CTA 与表单 ---------- */
.cta-band{position:relative;overflow:hidden;background:#0d1620;border:1px solid var(--line);border-radius:var(--radius-lg);padding:48px;}
.cta-band::before{content:"";position:absolute;right:-100px;top:-100px;width:420px;height:420px;background:radial-gradient(circle, rgba(35,213,192,.22), transparent 70%);pointer-events:none;}
.cta-band > .grid-x{position:relative;z-index:2;}
.cta-band h2{margin-bottom:16px;}
.cta-band .cta-desc{color:var(--text-2);font-size:16px;max-width:460px;}
.cta-tagline{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.glass-card{background:rgba(255,255,255,.04);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-lg);padding:28px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;background:#0d1620;border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;font-size:15px;color:var(--text);outline:none;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(35,213,192,.16);}
.field textarea{resize:vertical;min-height:88px;}
.field.has-error input{border-color:var(--warn);box-shadow:0 0 0 3px rgba(255,107,107,.14);}
.field-error{display:block;font-size:12px;color:var(--warn);margin-top:6px;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);margin:6px 0 20px;line-height:1.7;}
.checkbox-row input{width:16px;height:16px;margin-top:4px;accent-color:#23D5C0;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0d141d;border-top:1px solid rgba(255,255,255,.06);padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:300px;line-height:1.8;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-contact li{color:var(--text-2);font-size:14px;}
.footer-col a{display:inline-block;}
.footer-col a:hover{color:var(--primary);transform:translateX(2px);}
.footer-contact li{line-height:1.7;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;border-top:1px solid rgba(255,255,255,.06);color:var(--text-3);font-size:13.5px;flex-wrap:wrap;}
.back-top{width:38px;height:38px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;color:var(--text-2);cursor:pointer;transition:all .18s ease;}
.back-top:hover{color:var(--primary);border-color:var(--primary);box-shadow:var(--glow);}

/* ---------- 栅格间距辅助 ---------- */
.cell-stack{margin-bottom:28px;}
.cell-stack:last-child{margin-bottom:0;}

/* ---------- 响应式 ---------- */
@media (max-width:1440px){
  .grid-container{max-width:1200px;}
}
@media (max-width:1200px){
  .grid-container{max-width:1140px;}
}
@media (max-width:1024px){
  body{padding-top:88px;}
  body.no-notice{padding-top:56px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .nav-search{display:none;}
  .nav-left{gap:12px;}
  .main-nav{
    position:absolute;top:100%;left:-24px;right:-24px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#0f1722;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:10px 24px 20px;
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:transform .2s ease,opacity .2s ease,visibility .2s ease;
    max-height:calc(100vh - 120px);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-link{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--primary);}
  .nav-toggle{display:flex;}
  .page-head{padding:56px 0 48px;}
  .status-card{margin-top:8px;}
  .side-stack{margin-top:8px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .section-head{margin-bottom:28px;}
  .cta-band{padding:32px 22px;}
  .glass-card{padding:22px;}
  .step-item{padding:18px;gap:14px;}
  .faq-q{padding:16px 18px;font-size:15.5px;min-height:56px;}
  .faq-a p{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .head-actions{flex-direction:column;align-items:stretch;}
  .head-actions .btn{width:100%;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .brand-text{font-size:16px;}
  .notice-inner{font-size:12px;}
  .notice-inner > span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .metric-list li{font-size:14px;}
  .card-body{padding:16px 16px 20px;}
}

/* roulang page: category2 */
:root{
  --bg:#0B1018;
  --surface:#111A26;
  --surface-2:#16222F;
  --glass:rgba(255,255,255,.04);
  --primary:#23D5C0;
  --primary-2:#4C8DFF;
  --accent:#FFB454;
  --text:#E8EEF5;
  --text-2:#94A3B4;
  --text-3:#6B7A8C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.10);
  --ok:#3ECF8E;
  --warn:#FF6B6B;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 40px rgba(0,0,0,.45);
  --glow:0 0 18px rgba(35,213,192,.45);
  --nav-h:64px;
  --sect:96px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--text);text-decoration:none;transition:color .16s ease}
a:hover{color:var(--primary)}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.3}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::selection{background:rgba(35,213,192,.32);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sect) 0;border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head .eyebrow{display:inline-block;margin-bottom:14px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.01em}
.section-head .head-link{color:var(--primary);font-size:14.5px;font-weight:600;white-space:nowrap}
.section-head .head-link i{margin-left:6px;transition:transform .16s ease}
.section-head .head-link:hover i{transform:translateX(4px)}
.lead{color:var(--text-2);max-width:760px}

.eyebrow,.tag{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  line-height:1;
  padding:10px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  color:var(--text-2);
  background:var(--glass);
}
.tag--primary{color:var(--primary);border-color:rgba(35,213,192,.35);background:rgba(35,213,192,.08)}
.tag--accent{color:var(--accent);border-color:rgba(255,180,84,.35);background:rgba(255,180,84,.08)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  padding:14px 26px;border-radius:var(--r-pill);
  border:1px solid transparent;background:transparent;color:var(--text);
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#04121A;
  box-shadow:var(--glow);
}
.btn-primary:hover{color:#04121A;box-shadow:0 0 26px rgba(35,213,192,.6);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 12px rgba(35,213,192,.4)}
.btn-ghost{border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:rgba(35,213,192,.5);color:var(--primary);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80}
.notice-bar{
  height:28px;display:flex;align-items:center;
  background:linear-gradient(90deg,rgba(35,213,192,.14),rgba(76,141,255,.10));
  border-bottom:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);
  overflow:hidden;
}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.notice-bar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.notice-right{display:flex;align-items:center;gap:14px}
.notice-link{color:var(--primary);font-size:12.5px}
.notice-close{background:none;border:0;color:var(--text-3);font-size:16px;line-height:1;padding:0 2px}
.notice-close:hover{color:var(--text)}
.nav-wrap{height:var(--nav-h);display:flex;align-items:center;background:rgba(11,16,24,.55);transition:background .2s ease,backdrop-filter .2s ease,border-color .2s ease;border-bottom:1px solid transparent}
.site-header.scrolled .nav-wrap{background:rgba(11,16,24,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
.nav-left{display:flex;align-items:center;gap:38px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{position:relative;width:26px;height:26px;border-radius:9px;border:1.5px solid rgba(35,213,192,.7);background:rgba(35,213,192,.12);flex-shrink:0}
.brand-mark i{position:absolute;right:-3px;top:-3px;width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.main-nav{display:flex;align-items:center;gap:26px;min-width:0}
.nav-link{position:relative;font-size:14.5px;color:var(--text-2);padding:6px 0;white-space:nowrap;transition:color .12s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--primary);opacity:0;transition:opacity .15s ease}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{opacity:1;box-shadow:0 0 10px rgba(35,213,192,.8)}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-search{display:flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line-strong);background:var(--glass);color:var(--text-3)}
.nav-search i{font-size:13px}
.nav-search input{width:170px;background:transparent;border:0;color:var(--text);font-size:14px;outline:none}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{border-color:rgba(35,213,192,.55);box-shadow:0 0 0 3px rgba(35,213,192,.12)}
.nav-toggle{display:none;width:42px;height:38px;border-radius:var(--r-sm);border:1px solid var(--line-strong);background:var(--glass);padding:0;position:relative}
.nav-toggle span{position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--text);transition:.2s ease}
.nav-toggle span:nth-child(1){top:12px}
.nav-toggle span:nth-child(2){top:18px}
.nav-toggle span:nth-child(3){top:24px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- page head ---------- */
.page-head{
  position:relative;
  padding:152px 0 76px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
  background-image:linear-gradient(180deg,rgba(11,16,24,.86),rgba(11,16,24,.94)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(70% 80% at 50% 30%,#000,transparent);
  mask-image:radial-gradient(70% 80% at 50% 30%,#000,transparent);
  pointer-events:none;
}
.page-head::after{
  content:"";position:absolute;width:560px;height:560px;right:-140px;top:-240px;
  background:radial-gradient(circle,rgba(35,213,192,.18),transparent 65%);
  pointer-events:none;
}
.page-head-inner{position:relative;z-index:2;max-width:820px;margin:0 auto;text-align:center}
.crumb{display:flex;align-items:center;justify-content:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb i{font-size:10px;color:var(--text-3)}
.page-head h1{font-size:clamp(30px,4.6vw,54px);line-height:1.18;letter-spacing:-.01em;font-weight:700}
.page-head .sub{margin-top:20px;color:var(--text-2);font-size:16.5px}
.page-head .tag-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:28px}

/* ---------- category switch ---------- */
.cat-switch{padding:26px 0;border-bottom:1px solid var(--line);background:rgba(17,26,38,.6)}
.cat-switch-inner{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cat-switch .label{font-size:13px;letter-spacing:.12em;color:var(--text-3);margin-right:8px}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-2);
  padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);background:var(--glass);
  transition:.16s ease;
}
.cat-pill:hover{color:var(--text);border-color:rgba(35,213,192,.45);transform:translateY(-2px)}
.cat-pill.is-current{color:#04121A;font-weight:600;background:linear-gradient(135deg,var(--primary),var(--primary-2));border-color:transparent;box-shadow:var(--glow)}
.cat-pill i{font-size:12px}

/* ---------- two column layout ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.block-title{position:relative;padding-left:16px;font-size:clamp(22px,2.4vw,30px);margin-bottom:22px}
.block-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--primary)}

.point-list li{position:relative;padding-left:26px;margin-bottom:14px;color:var(--text-2)}
.point-list li::before{content:"";position:absolute;left:2px;top:12px;width:8px;height:8px;border-radius:2px;background:var(--primary);box-shadow:0 0 8px rgba(35,213,192,.6)}
.point-list li strong{color:var(--text);font-weight:600}

.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2),inset 0 0 0 1px rgba(35,213,192,.25);border-color:rgba(35,213,192,.3)}

/* timeline */
.timeline{position:relative;padding-left:36px}
.timeline::before{content:"";position:absolute;left:9px;top:10px;bottom:10px;width:1px;background:var(--line)}
.tl-item{position:relative;margin-bottom:18px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:26px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid rgba(35,213,192,.55);
}
.tl-item.is-done::before{background:var(--primary);border-color:var(--primary);box-shadow:0 0 12px rgba(35,213,192,.8)}
.tl-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;transition:.18s ease}
.tl-card:hover{border-color:rgba(35,213,192,.35);background:rgba(255,255,255,.055);transform:translateX(4px)}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px}
.tl-time{font-size:13px;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.tl-card h3{font-size:20px;margin-bottom:8px}
.tl-card p{color:var(--text-2);font-size:15px;margin:0}

/* tips */
.tip{display:flex;gap:16px;padding:18px 20px;border-radius:var(--r-md);background:var(--surface-2);border-left:3px solid var(--primary);margin-bottom:14px}
.tip.is-warn{border-left-color:var(--warn)}
.tip.is-accent{border-left-color:var(--accent)}
.tip i{color:var(--primary);font-size:17px;margin-top:5px}
.tip.is-warn i{color:var(--warn)}
.tip.is-accent i{color:var(--accent)}
.tip h3{font-size:17px;margin-bottom:6px}
.tip p{color:var(--text-2);font-size:15px;margin:0}

/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{padding:26px 22px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);transition:.18s ease}
.stat:hover{border-color:rgba(35,213,192,.3);transform:translateY(-4px);box-shadow:var(--sh-1)}
.stat .num{font-size:30px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.stat .num small{font-size:15px;color:var(--text-2);font-weight:500;margin-left:4px}
.stat .cap{color:var(--text-2);font-size:14.5px;margin-top:8px}

/* link cards */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.link-card{overflow:hidden;display:flex;flex-direction:column}
.link-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.link-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.link-card:hover .thumb img{transform:scale(1.04)}
.link-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.link-card h3{font-size:19px;transition:color .18s ease}
.link-card:hover h3{color:var(--primary)}
.link-card p{color:var(--text-2);font-size:14.5px;margin:0}
.link-card .more{margin-top:auto;color:var(--primary);font-size:14px;font-weight:600}
.link-card .more i{margin-left:6px;transition:transform .16s ease}
.link-card:hover .more i{transform:translateX(4px)}

/* faq */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);margin-bottom:14px;overflow:hidden;transition:border-color .18s ease}
.faq-item.is-open{border-color:rgba(35,213,192,.2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;color:var(--text);
  font-size:16.5px;font-weight:600;text-align:left;line-height:1.6;
}
.faq-q .sign{flex-shrink:0;width:24px;height:24px;line-height:22px;text-align:center;border-radius:50%;border:1px solid var(--line-strong);color:var(--primary);font-size:15px;transition:transform .2s ease,background .2s ease}
.faq-item.is-open .faq-q .sign{transform:rotate(180deg);background:rgba(35,213,192,.12)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a .inner{padding:0 24px 22px;color:var(--text-2);font-size:15px;border-top:1px solid var(--line);padding-top:18px;background:rgba(255,255,255,.03)}

/* cta */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);background:var(--surface)}
.cta-band::after{content:"";position:absolute;width:640px;height:640px;left:-180px;bottom:-320px;background:radial-gradient(circle,rgba(35,213,192,.16),transparent 62%);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:var(--sect) 0}
.cta-inner h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:16px}
.cta-inner p{color:var(--text-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-lg);padding:30px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--sh-1);
}
.cta-card h3{font-size:19px;margin-bottom:14px}
.cta-card ul li{display:flex;align-items:flex-start;gap:10px;color:var(--text-2);font-size:15px;margin-bottom:10px}
.cta-card ul li i{color:var(--primary);font-size:14px;margin-top:7px}
.cta-card .note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}

/* footer */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:var(--text-2);font-size:14.5px;max-width:300px}
.footer-col h4{font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{color:var(--text-2);font-size:14.5px;display:inline-block;transition:color .16s ease,transform .16s ease}
.footer-col ul li a:hover{color:var(--primary);transform:translateX(2px)}
.footer-contact li{color:var(--text-2);font-size:14.5px}
.footer-bottom{margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.06);display:flex;align-items:center;justify-content:space-between;gap:16px}
.footer-bottom p{color:var(--text-3);font-size:13.5px;margin:0}
.back-top{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;color:var(--text-2);transition:.18s ease}
.back-top:hover{color:var(--primary);border-color:rgba(35,213,192,.55);box-shadow:0 0 16px rgba(35,213,192,.35)}

/* responsive */
@media screen and (max-width:1200px){
  .container{max-width:1140px}
  .nav-search input{width:130px}
}
@media screen and (max-width:1024px){
  :root{--sect:72px}
  .split{grid-template-columns:1fr;gap:36px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .link-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .nav-search{display:none}
}
@media screen and (max-width:768px){
  :root{--sect:56px;--nav-h:56px}
  .container{padding:0 16px}
  .page-head{padding:132px 0 56px}
  .notice-bar{font-size:12px}
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;top:calc(var(--nav-h) + 28px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(11,16,24,.97);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    padding:8px 16px 20px;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:.22s ease;
    max-height:calc(100vh - 84px);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-link{padding:14px 4px;border-bottom:1px solid var(--line);font-size:15.5px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--primary)}
  .nav-left{gap:0}
  .nav-right .btn-sm{padding:9px 16px;font-size:13.5px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .link-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:520px){
  .page-head h1{font-size:28px}
  .stat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .cat-switch .label{display:none}
  .nav-right .btn-sm{display:none}
  .tl-card{padding:16px}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .faq-a .inner{padding:16px 18px}
}

/* roulang page: category3 */
:root{
  --bg:#0B1018;
  --surface:#111A26;
  --layer:#16222F;
  --glass:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --primary:#23D5C0;
  --primary-soft:rgba(35,213,192,.14);
  --accent:#FFB454;
  --accent-soft:rgba(255,180,84,.14);
  --text:#E8EEF5;
  --muted:#94A3B4;
  --weak:#6B7A8C;
  --success:#3ECF8E;
  --warn:#FF6B6B;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 40px rgba(0,0,0,.45);
  --glow:0 0 18px rgba(35,213,192,.45);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --nav-h:64px;
  --noti-h:28px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-top:calc(var(--nav-h) + var(--noti-h));
  background:var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.no-notice{padding-top:var(--nav-h)}
img{max-width:100%;display:block;background-color:var(--layer)}
a{color:var(--text);text-decoration:none;transition:color .16s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
::selection{background:rgba(35,213,192,.3);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:1200px){.container{max-width:1140px}}
@media (max-width:768px){.container{padding:0 16px}}
.tnum{font-variant-numeric:tabular-nums}

/* ============ 公告条 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .2s ease,box-shadow .2s ease}
.notice-bar{height:var(--noti-h);background:rgba(22,34,47,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.notice-bar.is-hidden{display:none}
.notice-inner{display:flex;align-items:center;justify-content:space-between;height:var(--noti-h);font-size:13px;color:var(--muted)}
.notice-right{display:flex;align-items:center;gap:16px}
.notice-link{color:var(--primary);font-size:13px}
.notice-link:hover{color:var(--primary);text-decoration:underline}
.notice-close{background:none;border:0;color:var(--weak);font-size:17px;line-height:1;cursor:pointer;padding:2px 6px;border-radius:6px;transition:color .16s ease,background .16s ease}
.notice-close:hover{color:var(--text);background:rgba(255,255,255,.06)}

/* ============ 导航 ============ */
.nav-wrap{height:var(--nav-h);border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease,backdrop-filter .2s ease}
.site-header.is-scrolled{background:rgba(11,16,24,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.site-header.is-scrolled .nav-wrap{border-color:transparent}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:20px}
.nav-left,.nav-right{display:flex;align-items:center;min-width:0}
.nav-left{gap:26px;flex:1 1 auto}
.nav-right{gap:14px;flex:0 0 auto}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em;color:#fff;white-space:nowrap}
.brand:hover{color:#fff}
.brand-mark{position:relative;width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,rgba(35,213,192,.9),rgba(76,141,255,.75));flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center}
.brand-mark::after{content:"";position:absolute;right:-2px;bottom:-2px;width:9px;height:9px;border-radius:50%;background:var(--primary);border:2px solid var(--bg);box-shadow:0 0 10px rgba(35,213,192,.9)}
.brand-mark i{width:8px;height:8px;border-radius:2px;background:rgba(6,18,26,.75);display:block}
.brand-text{line-height:1}
.main-nav{display:flex;align-items:center;gap:22px;min-width:0}
.nav-link{position:relative;font-size:14.5px;color:var(--muted);padding:6px 0;white-space:nowrap;transition:color .12s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-15px;height:2px;background:var(--primary);opacity:0;transition:opacity .16s ease;box-shadow:0 0 10px rgba(35,213,192,.7)}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{opacity:1}
.nav-search{display:flex;align-items:center;gap:8px;height:36px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:rgba(255,255,255,.03);transition:border-color .16s ease,box-shadow .16s ease}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(35,213,192,.14)}
.nav-search i{color:var(--weak);font-size:13px}
.nav-search input{width:172px;background:transparent;border:0;outline:none;color:var(--text);font-size:13.5px}
.nav-search input::placeholder{color:var(--weak)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.03);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .16s ease,box-shadow .2s ease,filter .2s ease,color .16s ease,border-color .16s ease,background .16s ease}
.btn-sm{height:38px;padding:0 20px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,#23D5C0,#4C8DFF);color:#06121A;box-shadow:var(--glow)}
.btn-primary:hover{color:#06121A;filter:brightness(1.08);box-shadow:0 0 26px rgba(35,213,192,.62)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(35,213,192,.07)}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14.5px;font-weight:600}
.link-more i{transition:transform .18s ease}
.link-more:hover{color:var(--primary)}
.link-more:hover i{transform:translateX(4px)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head .sec-title{margin-bottom:0}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.12em;padding:10px 14px;border:1px solid var(--line-strong);border-radius:var(--r-pill);color:var(--muted);margin-bottom:18px}
.sec-title{position:relative;font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;padding-left:16px;letter-spacing:-.01em}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;background:var(--primary);box-shadow:0 0 12px rgba(35,213,192,.6)}
.sec-desc{color:var(--muted);font-size:15.5px;max-width:760px;margin-top:14px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 页头（带编号侧栏） ============ */
.page-head{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-head::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:.35}
.page-head::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,24,.72),rgba(11,16,24,.94)),radial-gradient(560px 320px at 82% 12%,rgba(35,213,192,.20),transparent 70%)}
.head-grid{position:relative;z-index:2;display:grid;grid-template-columns:172px 1fr;gap:56px;padding-top:72px;padding-bottom:72px;align-items:start}
.head-index{border-right:1px solid var(--line);padding-right:32px;display:flex;flex-direction:column;gap:16px}
.head-num{font-size:66px;font-weight:700;line-height:1;letter-spacing:-.04em;color:rgba(35,213,192,.16);-webkit-text-stroke:1px rgba(35,213,192,.6)}
.head-index-label{writing-mode:vertical-rl;letter-spacing:.34em;font-size:12.5px;color:var(--muted)}
.head-status{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--success);border:1px solid rgba(62,207,142,.35);background:rgba(62,207,142,.08);border-radius:var(--r-pill);padding:5px 12px;width:fit-content}
.head-status span.dot{width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 10px rgba(62,207,142,.9)}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--weak);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--weak)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.6}
.page-head h1{font-size:clamp(30px,4.6vw,54px);font-weight:700;line-height:1.18;letter-spacing:-.01em;margin-bottom:18px}
.head-lead{font-size:17px;color:var(--muted);max-width:760px;margin-bottom:28px}
.head-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 栏目导航 ============ */
.cat-nav{padding:26px 0;border-bottom:1px solid var(--line);background:rgba(17,26,38,.7)}
.cat-nav-list{display:flex;flex-wrap:wrap;gap:12px}
.cat-chip{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--muted);font-size:14px;transition:border-color .16s ease,color .16s ease,background .16s ease,transform .16s ease}
.cat-chip:hover{color:var(--text);border-color:var(--line-strong);transform:translateY(-1px)}
.cat-chip.is-current{color:#06121A;background:linear-gradient(135deg,#23D5C0,#4C8DFF);border-color:transparent;font-weight:600;box-shadow:var(--glow)}
.cat-chip.is-current:hover{color:#06121A}

/* ============ 数据条 ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
.stat-item{padding:22px 22px 22px 24px;border-left:3px solid var(--primary);background:var(--surface);border-radius:0 var(--r-md) var(--r-md) 0}
.stat-item.alt{border-left-color:var(--accent)}
.stat-label{font-size:13px;color:var(--weak);margin-bottom:8px;letter-spacing:.04em}
.stat-value{font-size:22px;font-weight:700;letter-spacing:-.01em}
.stat-note{font-size:13px;color:var(--muted);margin-top:6px}

/* ============ 图文交错 ============ */
.feature-row{display:grid;gap:56px;align-items:center;padding:36px 0}
.feature-row.cols-7-5{grid-template-columns:7fr 5fr}
.feature-row.cols-5-7{grid-template-columns:5fr 7fr}
.feature-row + .feature-row{border-top:1px solid var(--line)}
.feature-media{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--layer);box-shadow:var(--sh-1)}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
.feature-media:hover img{transform:scale(1.03)}
.feature-media .media-tag{position:absolute;left:16px;top:16px;padding:6px 13px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.06em;background:rgba(11,16,24,.78);border:1px solid rgba(35,213,192,.4);color:var(--primary);backdrop-filter:blur(8px)}
.feature-body h3{font-size:22px;font-weight:600;margin-bottom:14px}
.feature-body p{color:var(--muted);margin-bottom:16px;max-width:640px}
.feature-body p:last-child{margin-bottom:0}
.check-list li{position:relative;padding-left:30px;color:var(--muted);margin-bottom:12px}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{content:"";position:absolute;left:2px;top:.65em;width:12px;height:7px;border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(-45deg)}

/* ============ 查询维度（图文交错清单） ============ */
.dim-list{display:grid;gap:20px;margin-top:40px}
.dim-item{display:grid;grid-template-columns:96px 1fr auto;gap:24px;align-items:center;padding:24px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.dim-item:hover{border-color:rgba(35,213,192,.4);box-shadow:var(--sh-2);transform:translateY(-3px)}
.dim-item .dim-index{font-size:26px;font-weight:700;color:rgba(35,213,192,.55);font-variant-numeric:tabular-nums}
.dim-item h3{font-size:18px;font-weight:600;margin-bottom:6px}
.dim-item p{color:var(--muted);font-size:14.5px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);font-size:12.5px;border:1px solid var(--line-strong);color:var(--muted);white-space:nowrap}
.badge.badge-primary{border-color:rgba(35,213,192,.45);color:var(--primary);background:var(--primary-soft)}
.badge.badge-accent{border-color:rgba(255,180,84,.45);color:var(--accent);background:var(--accent-soft)}

/* ============ 关联入口 ============ */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.link-card{display:block;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--surface);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(35,213,192,.4)}
.link-card .thumb{overflow:hidden;background:var(--layer)}
.link-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.link-card:hover .thumb img{transform:scale(1.04)}
.link-card .body{padding:22px}
.link-card h3{font-size:18px;font-weight:600;margin-bottom:10px;transition:color .16s ease}
.link-card:hover h3{color:var(--primary)}
.link-card p{font-size:14.5px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-list{max-width:920px;margin-top:40px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease}
.faq-item[open]{border-color:rgba(35,213,192,.28)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--primary);line-height:1;transition:transform .2s ease}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item .faq-body{padding:4px 22px 22px;color:var(--muted);font-size:15px;background:rgba(255,255,255,.03)}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.cta-band::after{content:"";position:absolute;right:-80px;top:-120px;width:560px;height:560px;background:radial-gradient(circle,rgba(35,213,192,.20),transparent 66%);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;padding:64px 0}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:12px;letter-spacing:-.01em}
.cta-inner p{color:var(--muted);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}
.cta-meta{margin-top:16px;font-size:13px;color:var(--weak)}

/* ============ 页脚 ============ */
.site-footer{background:#080D14;border-top:1px solid var(--line);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.footer-brand p{color:var(--muted);font-size:14.5px;margin-top:18px;max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:18px;color:var(--text)}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14.5px;color:var(--muted);display:inline-block;transition:color .16s ease,transform .16s ease}
.footer-col ul li a:hover{color:var(--primary);transform:translateX(2px)}
.footer-contact li{font-size:14.5px;color:var(--muted);margin-bottom:12px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.06);padding:22px 0 28px;font-size:13.5px;color:var(--weak)}
.back-top{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;color:var(--muted);cursor:pointer;transition:color .16s ease,border-color .16s ease,box-shadow .2s ease}
.back-top:hover{color:var(--primary);border-color:var(--primary);box-shadow:var(--glow)}

/* ============ 骨架 / 空态 ============ */
.skeleton-card{border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--surface)}
.skeleton-card .sk-img{aspect-ratio:16/9;background:linear-gradient(90deg,rgba(255,255,255,.04),rgba(255,255,255,.09),rgba(255,255,255,.04));background-size:200% 100%;animation:sk 1.4s infinite linear}
.skeleton-card .sk-line{height:12px;margin:16px;border-radius:6px;background:rgba(255,255,255,.06)}
.skeleton-card .sk-line.short{width:52%}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}
.empty-box{border:1px dashed var(--line-strong);border-radius:var(--r-md);padding:48px 24px;text-align:center;color:var(--muted)}
.empty-box p{margin-bottom:18px}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{gap:16px}
  .nav-link{font-size:13.5px}
  .nav-search{display:none}
  .head-grid{grid-template-columns:130px 1fr;gap:36px;padding-top:56px;padding-bottom:56px}
  .head-num{font-size:52px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .feature-row{grid-template-columns:1fr !important;gap:32px}
  .link-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--nav-h:56px}
  .main-nav{position:fixed;left:0;right:0;top:calc(var(--nav-h) + var(--noti-h));flex-direction:column;align-items:stretch;gap:0;background:rgba(11,16,24,.98);border-bottom:1px solid var(--line);padding:10px 24px 22px;transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility .18s}
  body.no-notice .main-nav{top:var(--nav-h)}
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-link{padding:14px 0;border-bottom:1px solid var(--line);font-size:15px}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--primary)}
  .nav-toggle{display:flex}
  .nav-right .btn-sm{display:none}
  .head-grid{grid-template-columns:1fr;gap:22px}
  .head-index{border-right:0;border-left:3px solid var(--primary);padding:0 0 0 16px;flex-direction:row;align-items:center;justify-content:space-between}
  .head-index-label{writing-mode:horizontal-tb;letter-spacing:.2em}
  .head-num{font-size:40px}
  .page-head h1{font-size:clamp(26px,7vw,34px)}
  .section{padding:56px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px}
  .stat-strip{grid-template-columns:1fr}
  .dim-item{grid-template-columns:1fr;gap:12px}
  .link-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:480px){
  .btn{width:100%}
  .head-actions{flex-direction:column;align-items:stretch}
  .cta-actions{width:100%}
  .notice-inner{font-size:12px}
  .notice-right .notice-link{display:none}
  .container{padding:0 14px}
}

/* roulang page: category4 */
:root{
  --bg:#0B1018;
  --surface:#111A26;
  --layer:#16222F;
  --glass:rgba(255,255,255,.04);
  --primary:#23D5C0;
  --primary-dim:rgba(35,213,192,.16);
  --primary-line:rgba(35,213,192,.45);
  --accent:#FFB454;
  --accent-dim:rgba(255,180,84,.14);
  --success:#3ECF8E;
  --warn:#FF6B6B;
  --text:#E8EEF5;
  --text-2:#94A3B4;
  --text-3:#6B7A8C;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --r8:8px;
  --r14:14px;
  --r22:22px;
  --r999:999px;
  --sh1:0 8px 24px rgba(0,0,0,.35);
  --sh2:0 14px 40px rgba(0,0,0,.45);
  --glow:0 0 18px rgba(35,213,192,.45);
  --ease:.18s cubic-bezier(.4,0,.2,1);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--text);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:var(--r8);
}
p{margin:0 0 18px;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
@media (max-width:1200px){.container{max-width:1140px;}}
/* ---------- button system ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r999);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  padding:13px 26px;
  line-height:1;
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),#4C8DFF);
  color:#04141A;
  box-shadow:var(--glow);
}
.btn-primary:hover{color:#04141A;filter:brightness(1.08);box-shadow:0 0 26px rgba(35,213,192,.6);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 12px rgba(35,213,192,.35);}
.btn-ghost{
  background:rgba(255,255,255,.02);
  border-color:var(--line-2);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--primary-line);color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh1);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
}
.link-more i{transition:transform var(--ease);}
.link-more:hover i{transform:translateX(4px);}
/* ---------- tag / badge ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  letter-spacing:.12em;
  padding:10px 12px;
  border-radius:var(--r999);
  border:1px solid var(--line-2);
  color:var(--text-2);
  background:rgba(255,255,255,.02);
  line-height:1;
}
.tag-primary{border-color:var(--primary-line);color:var(--primary);background:var(--primary-dim);}
.tag-accent{border-color:rgba(255,180,84,.4);color:var(--accent);background:var(--accent-dim);}
.badge{
  display:inline-block;
  font-size:12px;
  letter-spacing:.08em;
  padding:5px 10px;
  border-radius:var(--r999);
  border:1px solid var(--primary-line);
  color:var(--primary);
  line-height:1.2;
}
.badge-accent{border-color:rgba(255,180,84,.45);color:var(--accent);}
/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  transition:background var(--ease),backdrop-filter var(--ease),border-color var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(11,16,24,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.notice-bar{
  background:linear-gradient(90deg,rgba(35,213,192,.14),rgba(76,141,255,.10));
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  height:28px;
}
.notice-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:28px;
  line-height:1;
}
.notice-right{display:flex;align-items:center;gap:14px;}
.notice-link{color:var(--primary);font-size:13px;}
.notice-close{
  color:var(--text-3);
  font-size:16px;
  line-height:1;
  padding:0 2px;
  transition:color var(--ease);
}
.notice-close:hover{color:var(--warn);}
.notice-bar.is-hidden{display:none;}
.nav-wrap{height:64px;display:flex;align-items:center;}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0;}
.nav-right{display:flex;align-items:center;gap:14px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  position:relative;
  width:28px;height:28px;
  border-radius:var(--r8);
  border:1px solid var(--primary-line);
  background:rgba(35,213,192,.08);
  box-shadow:0 0 14px rgba(35,213,192,.35);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:6px;
  border-radius:3px;
  border:1.5px solid rgba(35,213,192,.55);
  border-top-color:transparent;
  border-right-color:transparent;
}
.brand-mark i{
  position:absolute;
  right:-3px;bottom:-3px;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(35,213,192,.9);
  border:2px solid var(--bg);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  font-size:14px;
  color:var(--text-2);
  padding:8px 12px;
  border-radius:var(--r8);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:0;
  height:2px;
  border-radius:2px;
  background:transparent;
  transition:background var(--ease),box-shadow var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.03);}
.nav-link.is-active{color:var(--text);}
.nav-link.is-active::after{background:var(--primary);box-shadow:0 0 10px rgba(35,213,192,.8);}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 14px;
  border-radius:var(--r999);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{border-color:var(--primary-line);box-shadow:0 0 0 3px rgba(35,213,192,.12);}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  background:transparent;
  border:none;
  outline:none;
  color:var(--text);
  width:170px;
  font-size:14px;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r8);
  border:1px solid var(--line-2);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* ---------- page head (data bar variant) ---------- */
.page-head{
  position:relative;
  padding:132px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(11,16,24,.78),rgba(11,16,24,.94)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.9;
}
.page-head::after{
  content:"";
  position:absolute;
  top:-180px;right:-120px;
  width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(35,213,192,.22),transparent 68%);
  pointer-events:none;
}
.page-head .container{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb i{font-size:10px;color:var(--text-3);}
.page-head h1{
  font-size:clamp(30px,4.6vw,54px);
  line-height:1.18;
  letter-spacing:-.01em;
  max-width:900px;
  margin-bottom:18px;
}
.page-head h1 em{
  font-style:normal;
  color:var(--primary);
  text-shadow:0 0 22px rgba(35,213,192,.35);
}
.page-lead{
  max-width:720px;
  color:var(--text-2);
  font-size:17px;
  margin-bottom:28px;
}
.databar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r14);
  overflow:hidden;
  max-width:900px;
}
.databar-item{
  background:rgba(17,26,38,.82);
  padding:18px 20px;
  transition:background var(--ease);
}
.databar-item:hover{background:rgba(22,34,47,.95);}
.databar-item .db-label{
  font-size:12px;
  letter-spacing:.1em;
  color:var(--text-3);
  display:block;
  margin-bottom:6px;
}
.databar-item .db-value{
  font-size:20px;
  font-weight:700;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.databar-item .db-value span{font-size:13px;font-weight:500;color:var(--text-2);margin-left:4px;}
.databar-item.accent .db-value{color:var(--accent);}
.databar-item.primary .db-value{color:var(--primary);}
/* ---------- category nav ---------- */
.catnav{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.catnav a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  padding:9px 18px;
  border-radius:var(--r999);
  border:1px solid var(--line);
  color:var(--text-2);
  background:rgba(255,255,255,.02);
  transition:all var(--ease);
}
.catnav a:hover{border-color:var(--primary-line);color:var(--primary);transform:translateY(-2px);}
.catnav a.is-current{
  border-color:var(--primary-line);
  color:var(--primary);
  background:var(--primary-dim);
  box-shadow:0 0 16px rgba(35,213,192,.18);
}
.catnav a i{font-size:12px;opacity:.8;}
/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{margin-bottom:38px;max-width:760px;}
.sec-head .eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--primary);
  padding:4px 10px;
  border:1px solid var(--primary-line);
  border-radius:var(--r999);
  margin-bottom:14px;
  line-height:1.6;
}
.sec-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  position:relative;
  padding-left:16px;
  margin-bottom:14px;
}
.sec-head h2::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:3px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--primary),#4C8DFF);
}
.sec-head p{color:var(--text-2);margin:0;}
/* ---------- content block ---------- */
.prose{max-width:760px;}
.prose p{color:var(--text-2);}
.prose strong{color:var(--text);font-weight:600;}
/* ---------- spec bars ---------- */
.spec-list{
  margin-top:8px;
  border-top:1px solid var(--line);
}
.spec-row{
  display:grid;
  grid-template-columns:190px 1fr auto;
  gap:24px;
  align-items:center;
  padding:22px 4px;
  border-bottom:1px solid var(--line);
  transition:background var(--ease),padding var(--ease);
}
.spec-row:hover{background:rgba(255,255,255,.025);padding-left:14px;}
.spec-key{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
}
.spec-key i{
  width:26px;height:26px;
  border-radius:var(--r8);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  color:var(--primary);
  background:var(--primary-dim);
  border:1px solid rgba(35,213,192,.3);
  flex-shrink:0;
}
.spec-val{color:var(--text-2);font-size:15px;}
.spec-flag{
  font-size:12px;
  letter-spacing:.08em;
  padding:5px 12px;
  border-radius:var(--r999);
  border:1px solid var(--line-2);
  color:var(--text-2);
  white-space:nowrap;
}
.spec-flag.ok{color:var(--success);border-color:rgba(62,207,142,.4);background:rgba(62,207,142,.08);}
.spec-flag.amber{color:var(--accent);border-color:rgba(255,180,84,.4);background:var(--accent-dim);}
/* ---------- cards ---------- */
.card{
  background:var(--layer);
  border:1px solid var(--line);
  border-radius:var(--r14);
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  height:100%;
  display:flex;
  flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2),inset 0 0 0 1px rgba(35,213,192,.25);border-color:var(--primary-line);}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--surface);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.4,0,.2,1);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:20px;line-height:1.45;font-weight:600;}
.card-body p{color:var(--text-2);font-size:14.5px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
  padding-top:6px;
  border-top:1px solid var(--line);
}
.card-text-link{color:var(--primary);font-weight:600;font-size:14px;}
.card-text-link i{transition:transform var(--ease);margin-left:4px;}
.card:hover .card-text-link i{transform:translateX(4px);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
/* ---------- FAQ ---------- */
.faq-list{max-width:880px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:22px 4px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q .fx{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  color:var(--primary);
  transition:transform var(--ease),background var(--ease),border-color var(--ease);
}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-item.is-open .fx{transform:rotate(45deg);background:var(--primary-dim);border-color:var(--primary-line);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a-inner{
  padding:0 4px 22px;
  color:var(--text-2);
  font-size:15px;
  max-width:720px;
}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-item.is-open{background:rgba(255,255,255,.03);border-color:rgba(35,213,192,.2);}
/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--surface);
  border-top:1px solid var(--line);
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-140px;top:50%;
  transform:translateY(-50%);
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(35,213,192,.18),transparent 68%);
  pointer-events:none;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
  padding:80px 0;
  position:relative;
  z-index:2;
}
.cta-copy h2{
  font-size:clamp(24px,2.8vw,34px);
  line-height:1.3;
  margin-bottom:16px;
}
.cta-copy p{color:var(--text-2);max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.cta-panel{
  background:var(--glass);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r22);
  padding:28px;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--sh2);
}
.cta-panel h3{font-size:18px;margin-bottom:18px;}
.cta-panel ul{display:flex;flex-direction:column;gap:14px;}
.cta-panel li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.5px;
  color:var(--text-2);
  padding-bottom:14px;
  border-bottom:1px dashed var(--line);
}
.cta-panel li:last-child{border-bottom:none;padding-bottom:0;}
.cta-panel li i{color:var(--primary);font-size:13px;margin-top:6px;}
/* ---------- footer ---------- */
.site-footer{
  background:#080D14;
  border-top:1px solid var(--line);
  padding-top:64px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:290px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:var(--text-2);font-size:14px;display:inline-block;transition:color var(--ease),transform var(--ease);}
.footer-col a:hover{color:var(--primary);transform:translateX(-2px);}
.footer-contact li{color:var(--text-2);font-size:14px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-bottom p{color:var(--text-3);font-size:13px;margin:0;}
.back-top{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line-2);
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  transition:all var(--ease);
  flex-shrink:0;
}
.back-top:hover{color:var(--primary);border-color:var(--primary-line);box-shadow:var(--glow);transform:translateY(-3px);}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-search{display:none;}
  .nav-left{gap:18px;}
  .section{padding:72px 0;}
  .page-head{padding:120px 0 56px;}
  .spec-row{grid-template-columns:170px 1fr auto;gap:18px;}
}
@media (max-width:900px){
  .databar{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .notice-inner{font-size:12px;}
  .notice-link{display:none;}
  .nav-wrap{height:56px;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    top:calc(56px + 28px);
    left:0;right:0;
    background:rgba(11,16,24,.98);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 24px 20px;
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    max-height:calc(100vh - 84px);
    overflow-y:auto;
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  }
  body.nav-open .main-nav{opacity:1;visibility:visible;transform:translateY(0);}
  body.nav-open .main-nav .nav-link{padding:14px 4px;border-bottom:1px solid var(--line);font-size:15px;border-radius:0;}
  body.nav-open .main-nav .nav-link::after{display:none;}
  body.nav-open .main-nav .nav-link.is-active{color:var(--primary);}
  .nav-right .btn-sm{display:none;}
  .page-head{padding:114px 0 48px;}
  .page-head h1{font-size:30px;}
  .page-lead{font-size:15.5px;}
  .section{padding:56px 0;}
  .spec-row{grid-template-columns:1fr;gap:10px;padding:20px 4px;}
  .spec-flag{justify-self:start;}
  .grid-3{grid-template-columns:1fr;}
  .faq-q{font-size:15.5px;padding:18px 4px;}
  .cta-inner{padding:56px 0;}
  .cta-panel{padding:22px;border-radius:var(--r14);}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:15px;}
  .databar{grid-template-columns:1fr 1fr;max-width:100%;}
  .databar-item{padding:14px 16px;}
  .databar-item .db-value{font-size:17px;}
  .catnav{gap:8px;}
  .catnav a{font-size:13px;padding:8px 14px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .page-head h1{font-size:26px;}
  .sec-head h2{font-size:22px;}
}