/* roulang page: index */
:root{
  --ink:#060A16;
  --ink-deep:#04070F;
  --panel:#0C1224;
  --raised:#151D33;
  --light:#F4F6FB;
  --mist:#E9EEF8;
  --white:#FFFFFF;
  --star:#19E0C4;
  --star-hover:#0FB9A4;
  --star-10:rgba(25,224,196,.10);
  --star-40:rgba(25,224,196,.40);
  --ember:#FF8A3D;
  --orbit:#6D5BFF;
  --tmain:#E8EDF7;
  --tsub:#9AA7C2;
  --tmut:#6B7896;
  --dmain:#0C1224;
  --dsub:#5A6480;
  --ok:#3DD68C;
  --warn:#FFB020;
  --err:#F04E4E;
  --line-dark:rgba(255,255,255,.08);
  --line-light:rgba(12,18,36,.10);
  --r-card:14px;
  --r-big:18px;
  --r-btn:10px;
  --sh-dark:0 8px 24px rgba(4,7,18,.45);
  --sh-light:0 6px 18px rgba(12,18,36,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--tmain);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--star);outline-offset:2px;border-radius:6px}

.container-site{width:100%;max-width:1240px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container-site{padding:0 24px}}
@media(min-width:1280px){.container-site{padding:0 32px}}

.num{font-family:"Barlow Condensed",Oswald,"DIN Alternate",system-ui,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:0}
.tabular{font-variant-numeric:tabular-nums}

.starfield{
  background-image:
    radial-gradient(1px 1px at 20px 30px, rgba(255,255,255,.14) 50%, transparent 51%),
    radial-gradient(1px 1px at 140px 90px, rgba(255,255,255,.10) 50%, transparent 51%),
    radial-gradient(1px 1px at 260px 40px, rgba(25,224,196,.14) 50%, transparent 51%),
    radial-gradient(1px 1px at 80px 170px, rgba(255,255,255,.08) 50%, transparent 51%);
  background-size:320px 220px,320px 220px,320px 220px,320px 220px;
}
.starfield-footer{
  background-image:
    radial-gradient(1px 1px at 30px 40px, rgba(255,255,255,.12) 50%, transparent 51%),
    radial-gradient(1px 1px at 180px 120px, rgba(255,255,255,.08) 50%, transparent 51%),
    radial-gradient(1px 1px at 300px 60px, rgba(109,91,255,.16) 50%, transparent 51%);
  background-size:360px 240px,360px 240px,360px 240px;
}
.panel-dark{
  background:var(--panel);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  box-shadow:var(--sh-dark);
  box-shadow:var(--sh-dark), inset 0 1px 0 rgba(255,255,255,.06);
}
.panel-light{
  background:var(--white);
  border:1px solid var(--line-light);
  border-radius:var(--r-card);
  box-shadow:var(--sh-light);
}
.slant-top{
  clip-path:polygon(0 26px, 100% 0, 100% 100%, 0 100%);
  margin-top:-26px;
  padding-top:26px;
}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--star);color:#04201C;
  font-size:14px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 6px 20px rgba(25,224,196,.25)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--tmain);
  font-size:14px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--r-btn);
  border:1px solid rgba(232,237,247,.30);cursor:pointer;
  transition:background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}
.btn-ghost:hover{border-color:var(--star);color:var(--star);background:rgba(25,224,196,.08);transform:translateY(-2px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--star);font-size:14px;font-weight:600;
}
.link-arrow svg{transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow:hover{color:var(--star-hover)}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 16px;border-radius:999px;
  border:1px solid rgba(232,237,247,.18);
  color:var(--tsub);font-size:13.5px;font-weight:500;
  white-space:nowrap;scroll-snap-align:start;
  transition:border-color .18s ease, color .18s ease, background .18s ease;
}
.chip:hover{border-color:var(--star);color:var(--star)}
.chip.is-active{
  background:var(--star);color:#04201C;border-color:var(--star);
  box-shadow:0 0 0 1px rgba(25,224,196,.35), 0 6px 18px rgba(25,224,196,.18);
}
.badge-cat{
  display:inline-flex;align-items:center;
  padding:4px 9px;border-radius:6px;
  background:rgba(25,224,196,.12);color:var(--star);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge-plain{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:999px;
  border:1px solid var(--line-dark);
  background:rgba(255,255,255,.03);
  color:var(--tsub);font-size:12.5px;letter-spacing:.06em;
}
.eyebrow{
  display:inline-block;
  color:var(--star);font-size:12.5px;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;
}
.eyebrow-dark{color:var(--star-hover)}

.nav-shell{
  position:sticky;top:0;z-index:50;
  background:rgba(6,10,22,.86);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease, border-color .2s ease;
}
.nav-shell.is-scrolled{
  background:rgba(6,10,22,.92);
  border-bottom:1px solid var(--line-dark);
}
.nav-brand-row{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
@media(max-width:767px){.nav-brand-row{height:60px}}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(140deg, rgba(25,224,196,.22), rgba(109,91,255,.18));
  border:1px solid rgba(25,224,196,.35);
}
.logo-text{font-size:16.5px;font-weight:700;color:var(--tmain);white-space:nowrap}
.logo-sub{font-size:11px;letter-spacing:.14em;color:var(--tmut);margin-top:1px}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;min-width:240px;
  background:var(--panel);border:1px solid var(--line-dark);
  border-radius:999px;color:var(--tmut);font-size:13.5px;
}
.search-box:focus-within{border-color:var(--star);box-shadow:0 0 0 3px rgba(25,224,196,.18)}
.search-box input{background:transparent;border:none;outline:none;width:100%;color:var(--tmain);font-size:13.5px}
.search-box input::placeholder{color:var(--tmut)}
.nav-channels{
  display:flex;align-items:center;gap:10px;height:46px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  -ms-overflow-style:none;scrollbar-width:none;
}
.nav-channels::-webkit-scrollbar{display:none}

.hero-title{font-size:clamp(28px,4.4vw,46px);font-weight:800;letter-spacing:-0.02em;line-height:1.22}
.sec-title{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.28}
.sec-sub{font-size:15.5px;color:var(--tsub);max-width:720px}
.sec-sub-dark{color:var(--dsub)}
.sec-gap{padding-top:56px;padding-bottom:56px}
@media(min-width:1024px){.sec-gap{padding-top:88px;padding-bottom:88px}}

.img-frame{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.06);
  background:var(--panel);
}
.img-frame img{width:100%;height:100%;object-fit:cover}
.img-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,10,22,.10), rgba(6,10,22,.35));
  pointer-events:none;
}
.ratio-16x9{aspect-ratio:16/9}
.ratio-16x10{aspect-ratio:16/10}
.ratio-4x3{aspect-ratio:4/3}

.metric-card{
  background:var(--panel);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:24px 22px 22px;
  box-shadow:var(--sh-dark), inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .2s ease, border-color .2s ease;
}
.metric-card:hover{transform:translateY(-4px);border-color:var(--star-40)}
.metric-bar{width:24px;height:3px;border-radius:2px;background:var(--star)}
.metric-num{font-size:clamp(36px,4.6vw,52px);font-weight:700;line-height:1.05;color:var(--tmain)}
.metric-label{font-size:13px;letter-spacing:.08em;color:var(--tmut);margin-top:6px}
.metric-desc{font-size:13.5px;color:var(--tsub);margin-top:10px;line-height:1.65}
.track{height:5px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:14px}
.track span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--star),var(--ember))}

.bento-card{
  background:var(--white);border:1px solid var(--line-light);
  border-radius:var(--r-card);box-shadow:var(--sh-light);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.bento-card:hover{transform:translateY(-4px);border-color:var(--star-40);box-shadow:0 14px 32px rgba(12,18,36,.12)}
.bento-card .bento-body{padding:22px 22px 24px}
.bento-title{font-size:19px;font-weight:700;color:var(--dmain)}
.bento-text{font-size:14.5px;color:var(--dsub);line-height:1.75;margin-top:10px}
.icon-line{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(25,224,196,.30);background:rgba(25,224,196,.08);color:var(--star-hover);
}
.icon-line.orbit{border-color:rgba(109,91,255,.30);background:rgba(109,91,255,.08);color:var(--orbit)}

.compare-card{border-radius:var(--r-big);padding:28px}
.compare-card.neutral{background:rgba(255,255,255,.03);border:1px solid rgba(154,167,194,.28)}
.compare-card.accent{background:var(--panel);border:1px solid var(--star-40);box-shadow:var(--sh-dark)}
.compare-num{font-size:34px;font-weight:700}
.compare-num.gray{color:#8C97AE}
.compare-num.cyan{color:var(--star)}
.compare-row{font-size:13.5px;color:var(--tsub)}
.compare-track{height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.compare-track span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--star) 70%,var(--ember))}

.step-item{
  position:relative;padding:22px 22px 22px 0;
}
.step-num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(25,224,196,.12);color:var(--star-hover);font-weight:700;font-size:14px;
}
.step-line{position:absolute;left:17px;top:56px;bottom:-6px;width:1px;background:var(--line-light)}
.step-item:last-child .step-line{display:none}

.news-card{
  background:var(--white);border:1px solid var(--line-light);
  border-radius:var(--r-card);box-shadow:var(--sh-light);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--star-40);box-shadow:0 14px 30px rgba(12,18,36,.12)}
.news-thumb{overflow:hidden;border-radius:12px;margin:14px 14px 0;border:1px solid rgba(12,18,36,.06)}
.news-thumb img{transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{
  font-size:17px;font-weight:700;color:var(--dmain);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  font-size:14px;color:var(--dsub);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#7C8699}

.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-top:1px solid var(--line-dark)}
.faq-item:last-child{border-bottom:1px solid var(--line-dark)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--tmain);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:999px;
  display:grid;place-items:center;
  border:1px solid rgba(232,237,247,.28);color:var(--tsub);
  font-size:15px;line-height:1;
  transition:transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--star);color:#04201C;border-color:var(--star)}
.faq-answer{padding:0 0 22px;color:var(--tsub);font-size:15px;line-height:1.85;max-width:760px}

.form-field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.form-label{font-size:13px;color:var(--tsub);letter-spacing:.02em}
.form-label .req{color:var(--ember);margin-left:3px}
.form-input,.form-select,.form-textarea{
  width:100%;background:var(--panel);color:var(--tmain);
  border:1px solid var(--line-dark);border-radius:var(--r-btn);
  padding:0 14px;height:44px;font-size:14.5px;
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.form-textarea{height:auto;padding:12px 14px;min-height:112px;line-height:1.7;resize:vertical}
.form-input::placeholder,.form-textarea::placeholder{color:var(--tmut);font-size:14px}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;border-color:var(--star);box-shadow:0 0 0 3px rgba(25,224,196,.18);
}
.form-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--tsub) 50%),linear-gradient(135deg,var(--tsub) 50%,transparent 50%);background-position:calc(100% - 20px) 19px, calc(100% - 14px) 19px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-input.is-error,.form-textarea.is-error{border-color:var(--err)}
.field-error{font-size:13px;color:var(--err)}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--tsub);line-height:1.7}
.check-row input{margin-top:3px;accent-color:var(--star);width:16px;height:16px}
.notice{
  border-radius:var(--r-btn);padding:12px 16px;font-size:14px;
  border-left:3px solid var(--ok);background:rgba(61,214,140,.12);color:#9DF0C6;
}
.notice.err{border-left-color:var(--err);background:rgba(240,78,78,.12);color:#FFB3B3}
.trust-item{display:flex;gap:12px;align-items:flex-start}
.trust-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;
  background:rgba(25,224,196,.10);border:1px solid rgba(25,224,196,.28);color:var(--star);
}

.footer-link{color:var(--tsub);font-size:14px;transition:color .18s ease}
.footer-link:hover{color:var(--star)}
.social-btn{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line-dark);color:var(--tsub);
  transition:color .18s ease, border-color .18s ease, background .18s ease;
}
.social-btn:hover{color:var(--star);border-color:var(--star-40);background:rgba(25,224,196,.08)}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;text-align:center;
  background:var(--white);border:1px dashed rgba(12,18,36,.18);border-radius:var(--r-card);
}
.empty-state p{color:var(--dsub);font-size:15px}

@media(max-width:767px){
  .search-box{display:none}
  .metric-num{font-size:38px}
  .compare-card{padding:22px}
}
@media(max-width:520px){
  .hero-title{font-size:27px}
  .sec-title{font-size:23px}
  .btn-main,.btn-ghost{width:100%}
}

/* roulang page: article */
:root{
  --ink:#060A16;
  --ink-deep:#04070F;
  --panel:#0C1224;
  --raise:#151D33;
  --light:#F4F6FB;
  --white:#FFFFFF;
  --primary:#19E0C4;
  --primary-hover:#0FB9A4;
  --primary-ink:#04211C;
  --accent:#FF8A3D;
  --violet:#6D5BFF;
  --tmain:#E8EDF7;
  --tsub:#9AA7C2;
  --tweak:#6B7896;
  --tlight:#0C1224;
  --tlight-sub:#5A6480;
  --line-dark:rgba(255,255,255,.08);
  --line-light:rgba(12,18,36,.08);
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --sh-dark:0 8px 24px rgba(4,7,18,.45);
  --sh-light:0 6px 18px rgba(12,18,36,.08);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--ink);
  color:var(--tmain);
  line-height:1.7;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container-site{width:100%;max-width:1240px;margin:0 auto;padding:0 16px;}
@media (min-width:768px){.container-site{padding:0 24px;}}
@media (min-width:1280px){.container-site{padding:0 32px;}}

/* ---------- 导航 ---------- */
.nav-shell{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,10,22,.96);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,background .25s ease;
}
.nav-shell.is-scrolled{border-bottom-color:var(--line-dark);background:rgba(6,10,22,.98);}
.nav-brand-row{display:flex;align-items:center;gap:18px;height:60px;}
@media (min-width:768px){.nav-brand-row{height:68px;}}
.brand-lock{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--panel);
  border:1px solid rgba(25,224,196,.32);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.logo-text{font-size:16px;font-weight:800;color:var(--tmain);line-height:1.2;}
.logo-sub{font-size:11px;color:var(--tweak);letter-spacing:.08em;margin-top:2px;}
.search-box{
  flex:1 1 auto;max-width:420px;display:none;align-items:center;gap:10px;
  height:40px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line-dark);background:var(--panel);color:var(--tweak);
  transition:border-color .2s ease;
}
.search-box:focus-within{border-color:rgba(25,224,196,.55);}
.search-box input{width:100%;background:transparent;border:0;outline:none;font-size:14px;color:var(--tmain);}
.search-box input::placeholder{color:var(--tweak);}
@media (min-width:768px){.search-box{display:flex;}}

.menu-toggle{
  width:40px;height:40px;display:grid;place-items:center;
  border-radius:var(--r-btn);border:1px solid var(--line-dark);
  background:transparent;color:var(--tsub);cursor:pointer;transition:all .2s ease;
}
.menu-toggle:hover{color:var(--primary);border-color:rgba(25,224,196,.4);}
@media (min-width:768px){.menu-toggle{display:none;}}

.nav-channels{
  display:flex;align-items:center;gap:8px;height:46px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x mandatory;
  padding-bottom:6px;
}
@media (min-width:768px){.nav-channels{padding-bottom:0;}}
.nav-channels::-webkit-scrollbar{display:none;}
.nav-channels.is-open{flex-wrap:wrap;height:auto;overflow:visible;padding-bottom:12px;}
.chip{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line-dark);
  color:var(--tsub);font-size:13.5px;white-space:nowrap;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.chip:hover{color:var(--tmain);border-color:rgba(25,224,196,.45);}
.chip.is-active{
  background:var(--primary);color:var(--primary-ink);
  border-color:var(--primary);font-weight:600;
  box-shadow:0 0 0 3px rgba(25,224,196,.14), inset 0 -2px 0 rgba(4,33,28,.25);
}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--primary);color:var(--primary-ink);
  font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(25,224,196,.28);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid rgba(232,237,247,.3);color:var(--tmain);
  background:transparent;font-size:14px;font-weight:600;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(25,224,196,.08);transform:translateY(-2px);}

/* ---------- 文章头部 ---------- */
.post-hero{
  position:relative;
  padding:28px 0 26px;
  background:
    radial-gradient(900px 320px at 10% -30%, rgba(25,224,196,.12), transparent 70%),
    radial-gradient(760px 300px at 92% -10%, rgba(109,91,255,.14), transparent 72%),
    var(--ink);
  border-bottom:1px solid var(--line-dark);
}
@media (min-width:1024px){.post-hero{padding:40px 0 34px;}}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--tweak);margin-bottom:18px;
}
.breadcrumb a{color:var(--tsub);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:rgba(154,167,194,.45);}
.breadcrumb .current{
  color:var(--tmain);max-width:56ch;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

.post-title{
  font-size:27px;font-weight:800;line-height:1.3;
  color:var(--tmain);max-width:920px;margin-bottom:18px;
}
@media (min-width:768px){.post-title{font-size:34px;}}
@media (min-width:1024px){.post-title{font-size:40px;line-height:1.26;}}

.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;
  font-size:13.5px;color:var(--tsub);font-variant-numeric:tabular-nums;
}
.post-meta .dot{color:rgba(154,167,194,.4);}
.post-meta .num{
  font-family:"Barlow Condensed","Oswald","DIN Alternate",system-ui,sans-serif;
  font-size:17px;font-weight:600;color:var(--primary);
}

/* ---------- 封面 ---------- */
.post-cover{background:var(--ink);padding:0 0 44px;}
.cover-frame{
  position:relative;aspect-ratio:16/7;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--line-dark);
  box-shadow:var(--sh-dark);background:var(--panel);
}
@media (max-width:640px){.cover-frame{aspect-ratio:16/10;}}
.cover-frame img{width:100%;height:100%;object-fit:cover;}
.cover-frame::after{content:"";position:absolute;inset:0;background:rgba(6,10,22,.26);}

/* ---------- 正文区 ---------- */
.post-main{background:var(--light);padding:52px 0;}
@media (min-width:1024px){.post-main{padding:88px 0;}}

.post-card{
  max-width:820px;margin:0 auto;background:var(--white);
  border:1px solid var(--line-light);border-radius:var(--r-lg);
  box-shadow:var(--sh-light);padding:26px 20px 32px;
}
@media (min-width:768px){.post-card{padding:48px 56px 56px;}}

.article-body{font-size:17px;line-height:1.9;color:#1B2436;letter-spacing:0;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;color:var(--tlight);
  margin:1.8em 0 .8em;padding-left:15px;line-height:1.4;
}
@media (min-width:768px){.article-body h2{font-size:29px;}}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;
  width:3px;border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:21px;font-weight:700;color:var(--tlight);margin:1.5em 0 .6em;}
.article-body h4{font-size:18px;font-weight:700;color:var(--tlight);margin:1.3em 0 .5em;}
.article-body ul{margin:0 0 1.2em;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.82em;
  width:7px;height:7px;border-radius:2px;background:var(--primary);
}
.article-body ol{margin:0 0 1.2em;padding-left:1.4em;list-style:decimal;}
.article-body ol li{margin-bottom:.5em;}
.article-body blockquote{
  margin:1.4em 0;padding:14px 22px;
  border-left:3px solid var(--primary);border-right:3px solid var(--primary);
  background:rgba(25,224,196,.06);border-radius:8px;color:#2C3A55;
}
.article-body img{border-radius:12px;margin:1.5em auto;border:1px solid var(--line-light);}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--tlight-sub);margin-top:10px;}
.article-body a{color:#0A8E7E;text-decoration:underline;text-underline-offset:3px;transition:color .2s ease;}
.article-body a:hover{color:var(--primary-hover);}
.article-body strong{font-weight:700;color:var(--tlight);}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid rgba(12,18,36,.12);padding:10px 13px;text-align:left;}
.article-body th{background:rgba(25,224,196,.10);font-weight:600;color:var(--tlight);}
.article-body tr:nth-child(even) td{background:rgba(12,18,36,.02);}
.article-body hr{border:0;border-top:1px solid var(--line-light);margin:2em 0;}

.post-tags{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:38px;padding-top:24px;border-top:1px solid var(--line-light);
}
.tag-badge{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:6px;background:rgba(25,224,196,.12);
  color:#0A8E7E;font-size:13px;font-weight:500;
}

/* ---------- 空状态 ---------- */
.empty-state{text-align:center;padding:36px 16px 24px;}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;
  display:grid;place-items:center;background:rgba(25,224,196,.10);
  border:1px solid rgba(25,224,196,.22);
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--tlight);margin-bottom:10px;}
.empty-state p{font-size:14.5px;color:var(--tlight-sub);margin-bottom:22px;}

/* ---------- 相关推荐 ---------- */
.related{max-width:980px;margin:38px auto 0;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;}
.related-head h2{font-size:20px;font-weight:700;color:var(--tlight);}
.related-head .more-link{font-size:13.5px;color:#0A8E7E;transition:color .2s ease;}
.related-head .more-link:hover{color:var(--primary-hover);}
.related-grid{display:grid;gap:16px;grid-template-columns:1fr;}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:900px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.related-card{
  display:block;height:100%;overflow:hidden;background:var(--white);
  border:1px solid var(--line-light);border-radius:var(--r-card);
  box-shadow:var(--sh-light);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(25,224,196,.5);box-shadow:0 12px 28px rgba(12,18,36,.12);}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#E7EBF4;}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.related-card:hover .thumb img{transform:scale(1.04);}
.related-card .body{padding:14px 16px 18px;}
.related-card .body h3{font-size:16px;font-weight:700;color:var(--tlight);line-height:1.5;margin-bottom:6px;}
.related-card .body p{font-size:13.5px;color:var(--tlight-sub);line-height:1.65;}

/* ---------- 底部 CTA ---------- */
.post-cta{
  background:var(--ink);border-top:1px solid var(--line-dark);
  padding:52px 0;position:relative;overflow:hidden;
}
.post-cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:
    radial-gradient(circle, rgba(232,237,247,.14) 1px, transparent 1px),
    radial-gradient(circle, rgba(25,224,196,.12) 1px, transparent 1px);
  background-size:180px 180px, 260px 260px;
  background-position:0 0, 90px 60px;
}
.post-cta-inner{
  position:relative;max-width:960px;margin:0 auto;
  display:flex;flex-direction:column;gap:18px;
  padding:28px 24px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line-dark);
  box-shadow:var(--sh-dark);
}
@media (min-width:768px){
  .post-cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:34px 38px;}
}
.post-cta-inner h2{font-size:21px;font-weight:700;color:var(--tmain);margin-bottom:8px;}
.post-cta-inner p{font-size:14px;color:var(--tsub);max-width:56ch;}

/* ---------- 页脚 ---------- */
.starfield-footer{
  position:relative;background:var(--ink-deep);
  border-top:1px solid var(--line-dark);overflow:hidden;
}
.starfield-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;
  background-image:
    radial-gradient(circle, rgba(232,237,247,.16) 1px, transparent 1px),
    radial-gradient(circle, rgba(25,224,196,.14) 1px, transparent 1px);
  background-size:180px 180px, 260px 260px;
  background-position:0 0, 90px 60px;
}
.starfield-footer > *{position:relative;}
.footer-link{font-size:14px;color:var(--tsub);transition:color .2s ease,padding-left .2s ease;}
.footer-link:hover{color:var(--primary);padding-left:4px;}
.footer-text{font-size:14px;color:var(--tsub);}
.social-btn{
  width:36px;height:36px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--line-dark);color:var(--tsub);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.social-btn:hover{color:var(--primary);border-color:rgba(25,224,196,.4);transform:translateY(-2px);}

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

/* roulang page: category2 */
:root{
  --ink:#060A16;
  --ink-deep:#04070F;
  --panel:#0C1224;
  --raise:#151D33;
  --light:#F4F6FB;
  --white:#FFFFFF;
  --primary:#19E0C4;
  --primary-hover:#0FB9A4;
  --accent:#FF8A3D;
  --violet:#6D5BFF;
  --tmain:#E8EDF7;
  --tsub:#9AA7C2;
  --tweak:#6B7896;
  --lmain:#0C1224;
  --lsub:#5A6480;
  --line-dark:rgba(255,255,255,.08);
  --line-light:rgba(12,18,36,.10);
  --ok:#3DD68C;
  --warn:#FFB020;
  --err:#F04E4E;
  --r-card:14px;
  --r-panel:18px;
  --r-btn:10px;
  --sh-dark:0 8px 24px rgba(4,7,18,.45);
  --sh-light:0 6px 18px rgba(12,18,36,.08);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink);
  color:var(--tmain);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,opacity .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:14px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container-site{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
@media (min-width:768px){.container-site{padding-left:24px;padding-right:24px;}}
@media (min-width:1280px){.container-site{padding-left:32px;padding-right:32px;}}

.sec{padding-top:56px;padding-bottom:56px;}
@media (min-width:1024px){.sec{padding-top:88px;padding-bottom:88px;}}
.sec-dark{background:var(--ink);}
.sec-panel{background:var(--panel);}
.sec-light{background:var(--light);color:var(--lmain);}

.starfield{
  background-image:
    radial-gradient(1px 1px at 12% 22%, rgba(255,255,255,.55) 50%, transparent 51%),
    radial-gradient(1px 1px at 38% 68%, rgba(255,255,255,.40) 50%, transparent 51%),
    radial-gradient(1px 1px at 66% 32%, rgba(255,255,255,.50) 50%, transparent 51%),
    radial-gradient(1px 1px at 84% 76%, rgba(255,255,255,.34) 50%, transparent 51%);
  background-size:220px 220px,300px 300px,180px 180px,260px 260px;
  background-repeat:repeat;
}

/* ---------- 导航 ---------- */
.nav-shell{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,10,22,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line-dark);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.nav-shell.is-scrolled{background:rgba(6,10,22,.97);box-shadow:0 8px 24px rgba(4,7,18,.55);}
.nav-brand-row{
  min-height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:10px;
  padding-bottom:10px;
}
@media (max-width:767px){.nav-brand-row{min-height:60px;}}
.logo-mark{
  width:38px;height:38px;
  flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(25,224,196,.10);
  border:1px solid rgba(25,224,196,.34);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--tmain);line-height:1.25;}
.logo-sub{font-size:11px;letter-spacing:.08em;color:var(--tweak);line-height:1.4;}
.search-box{
  display:none;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  min-width:260px;
  border-radius:999px;
  border:1px solid var(--line-dark);
  background:var(--panel);
}
.search-box input{
  flex:1;border:0;background:transparent;color:var(--tmain);height:100%;outline:none;
}
.search-box input::placeholder{color:var(--tweak);}
@media (min-width:1024px){.search-box{display:flex;}}
.nav-channels{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  padding-top:6px;
  padding-bottom:10px;
}
.nav-channels::-webkit-scrollbar{height:0;display:none;}
.nav-channels{scrollbar-width:none;}
.chip{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line-dark);
  color:var(--tsub);
  font-size:13px;
  letter-spacing:.02em;
  white-space:nowrap;
  background:transparent;
}
.chip:hover{color:var(--primary);border-color:rgba(25,224,196,.45);background:rgba(25,224,196,.06);}
.chip.is-active{
  background:var(--primary);
  color:#04241F;
  border-color:var(--primary);
  font-weight:600;
  box-shadow:inset 0 -2px 0 rgba(4,36,31,.35);
}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:var(--r-btn);
  background:var(--primary);
  color:#04241F;
  font-size:14px;font-weight:600;
  border:1px solid var(--primary);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease;
}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 6px 20px rgba(25,224,196,.25);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid rgba(232,237,247,.30);
  color:var(--tmain);
  background:transparent;
  font-size:14px;font-weight:600;
  transition:transform .2s ease,border-color .2s ease,color .2s ease,background-color .2s ease;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(25,224,196,.08);transform:translateY(-2px);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);
  font-size:14px;font-weight:600;
}
.btn-link svg{transition:transform .2s ease;}
.btn-link:hover svg{transform:translateX(4px);}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;
  border-radius:6px;
  background:rgba(25,224,196,.12);
  color:var(--primary);
  font-size:12px;
  letter-spacing:.04em;
  font-weight:600;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;
  color:var(--primary);
  text-transform:none;
}
.eyebrow::before{
  content:"";width:22px;height:1px;background:var(--primary);display:inline-block;
}
.tag-pill{
  display:inline-flex;align-items:center;
  height:34px;padding:0 18px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  color:var(--tsub);
  font-size:13px;
  white-space:nowrap;
  transition:all .2s ease;
}
.tag-pill:hover{color:var(--primary);border-color:rgba(25,224,196,.45);background:rgba(25,224,196,.06);}
.tag-pill.is-current{background:var(--primary);border-color:var(--primary);color:#04241F;font-weight:600;}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line-dark);
  background-color:var(--ink-deep);
  background-image:linear-gradient(180deg,rgba(4,7,15,.72),rgba(4,7,15,.92)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.cat-hero-inner{position:relative;z-index:2;padding-top:46px;padding-bottom:50px;}
@media (min-width:1024px){.cat-hero-inner{padding-top:64px;padding-bottom:68px;}}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--tweak);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:rgba(255,255,255,.20);}
.crumb .now{color:var(--tsub);}
.cat-h1{
  font-size:32px;font-weight:800;letter-spacing:-.01em;line-height:1.25;
  color:var(--tmain);
}
@media (min-width:768px){.cat-h1{font-size:42px;}}
@media (min-width:1024px){.cat-h1{font-size:48px;}}
.cat-hero p.lead{
  margin-top:16px;
  max-width:660px;
  color:var(--tsub);
  font-size:15px;
  line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

/* ---------- 指标行 ---------- */
.metric-strip{
  display:grid;
  gap:16px;
  grid-template-columns:1fr;
}
@media (min-width:640px){.metric-strip{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.metric-strip{grid-template-columns:repeat(4,1fr);}}
.metric-card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:22px 20px 20px;
  box-shadow:var(--sh-dark);
  overflow:hidden;
}
.metric-card::before{
  content:"";position:absolute;top:0;left:20px;width:24px;height:3px;background:var(--primary);border-radius:0 0 3px 3px;
}
.metric-card::after{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.16),transparent 60%);
}
.metric-num{
  font-family:'Barlow Condensed','Oswald','DIN Alternate',system-ui,sans-serif;
  font-size:44px;line-height:1.05;font-weight:600;
  color:var(--tmain);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.metric-num .unit{font-size:17px;color:var(--primary);margin-left:4px;font-family:inherit;}
.metric-label{margin-top:10px;font-size:13px;color:var(--tsub);letter-spacing:.04em;}
.metric-desc{margin-top:8px;font-size:13px;line-height:1.7;color:var(--tweak);}
.metric-bar{margin-top:14px;height:4px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;}
.metric-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:34px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:var(--line-dark);
}
.tl-item{position:relative;padding-left:36px;padding-bottom:22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:0;top:10px;
  width:15px;height:15px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(25,224,196,.14);
}
.tl-item.is-violet .tl-dot{background:var(--violet);box-shadow:0 0 0 4px rgba(109,91,255,.16);}
.tl-body{
  background:var(--panel);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:22px 22px 20px;
  box-shadow:var(--sh-dark);
  transition:transform .2s ease,border-color .2s ease;
}
.tl-body:hover{transform:translateY(-4px);border-color:rgba(25,224,196,.40);}
.tl-body h3{font-size:19px;font-weight:700;color:var(--tmain);letter-spacing:-.01em;}
.tl-body p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--tsub);}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.tl-meta span{
  font-size:12px;letter-spacing:.04em;color:var(--tweak);
  border:1px solid var(--line-dark);border-radius:999px;padding:3px 12px;
  font-variant-numeric:tabular-nums;
}

/* ---------- 满宽图文 + 三栏 ---------- */
.wide-figure{
  position:relative;
  border-radius:var(--r-panel);
  overflow:hidden;
  border:1px solid var(--line-dark);
  aspect-ratio:21/9;
  box-shadow:var(--sh-dark);
}
.wide-figure img{width:100%;height:100%;object-fit:cover;}
.wide-figure .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,22,.20),rgba(6,10,22,.78));
  display:flex;align-items:flex-end;
  padding:26px;
}
.wide-figure .veil p{color:var(--tmain);font-size:15px;line-height:1.75;max-width:620px;}
@media (max-width:639px){.wide-figure{aspect-ratio:16/11;}}
.three-col{display:grid;gap:18px;grid-template-columns:1fr;margin-top:28px;}
@media (min-width:768px){.three-col{grid-template-columns:repeat(3,1fr);}}
.col-card{
  background:var(--panel);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--sh-dark);
  transition:transform .2s ease,border-color .2s ease;
}
.col-card:hover{transform:translateY(-4px);border-color:rgba(25,224,196,.35);}
.col-card .idx{
  font-family:'Barlow Condensed','Oswald',system-ui,sans-serif;
  font-size:15px;letter-spacing:.14em;color:var(--primary);font-variant-numeric:tabular-nums;
}
.col-card h3{margin-top:12px;font-size:20px;font-weight:700;color:var(--tmain);}
.col-card ul{margin-top:14px;}
.col-card li{
  position:relative;padding-left:16px;margin-bottom:10px;
  font-size:14px;line-height:1.8;color:var(--tsub);
}
.col-card li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--primary);
}
.col-card.is-violet .idx{color:var(--violet);}
.col-card.is-violet li::before{background:var(--violet);}
.col-card.is-molten .idx{color:var(--accent);}
.col-card.is-molten li::before{background:var(--accent);}

/* ---------- 浅色区 ---------- */
.sec-light .eyebrow{color:var(--primary-hover);}
.sec-light .eyebrow::before{background:var(--primary-hover);}
.sec-light h2{color:var(--lmain);}
.sec-light .body-text{color:var(--lsub);}
.sec-title{
  font-size:26px;font-weight:800;letter-spacing:-.01em;line-height:1.3;
}
@media (min-width:768px){.sec-title{font-size:32px;}}
.sec-sub{margin-top:14px;font-size:15px;line-height:1.85;max-width:720px;color:var(--tsub);}
.sec-light .sec-sub{color:var(--lsub);}

/* ---------- 帮助问答 ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  border-top:1px solid var(--line-dark);
  padding:6px 0;
}
.faq-item:last-child{border-bottom:1px solid var(--line-dark);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 0;
  font-size:17px;font-weight:600;color:var(--tmain);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-dark);
  color:var(--tsub);
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--primary);color:#04241F;border-color:var(--primary);}
.faq-answer{
  padding:0 0 18px;
  font-size:15px;line-height:1.85;color:var(--tsub);
  max-width:760px;
}

/* ---------- 底部引导 ---------- */
.cta-band{
  border-radius:var(--r-panel);
  border:1px solid var(--line-dark);
  background:linear-gradient(120deg,var(--panel),var(--raise));
  box-shadow:var(--sh-dark);
  padding:34px 26px;
  display:flex;
  flex-direction:column;
  gap:20px;
  align-items:flex-start;
  justify-content:space-between;
}
@media (min-width:900px){
  .cta-band{flex-direction:row;align-items:center;padding:40px 44px;}
}
.cta-band h2{font-size:23px;font-weight:800;letter-spacing:-.01em;color:var(--tmain);}
@media (min-width:768px){.cta-band h2{font-size:28px;}}
.cta-band p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--tsub);max-width:620px;}

/* ---------- 页脚 ---------- */
.starfield-footer{
  background-color:var(--ink-deep);
  background-image:
    radial-gradient(1px 1px at 18% 30%, rgba(255,255,255,.30) 50%, transparent 51%),
    radial-gradient(1px 1px at 72% 58%, rgba(255,255,255,.22) 50%, transparent 51%);
  background-size:240px 240px,320px 320px;
  border-top:1px solid var(--line-dark);
}
.footer-link{display:inline-block;font-size:14px;color:var(--tsub);transition:color .2s ease,transform .2s ease;}
.footer-link:hover{color:var(--primary);transform:translateX(3px);}
.social-btn{
  width:34px;height:34px;border-radius:9px;
  display:grid;place-items:center;
  border:1px solid var(--line-dark);
  color:var(--tsub);
  transition:all .2s ease;
}
.social-btn:hover{color:var(--primary);border-color:rgba(25,224,196,.45);background:rgba(25,224,196,.08);}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  padding-top:22px;margin-top:40px;
  font-size:13px;color:var(--tweak);
}
.footer-bottom a{color:var(--tweak);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 移动端导航抽屉 ---------- */
@media (max-width:767px){
  .nav-channels{
    max-height:0;
    overflow:hidden;
    padding-top:0;padding-bottom:0;
    transition:max-height .28s ease,padding .28s ease;
    flex-direction:column;align-items:stretch;gap:8px;
  }
  .nav-channels.is-open{max-height:340px;padding-top:8px;padding-bottom:14px;overflow-y:auto;}
  .nav-channels .chip{justify-content:flex-start;height:38px;border-radius:10px;}
}

/* roulang page: category1 */
:root{
    --ink-deep:#04070F;
    --ink:#060A16;
    --panel:#0C1224;
    --raised:#151D33;
    --light-bg:#F4F6FB;
    --white:#FFFFFF;
    --brand:#19E0C4;
    --brand-hover:#0FB9A4;
    --brand-08:rgba(25,224,196,.08);
    --brand-10:rgba(25,224,196,.10);
    --brand-12:rgba(25,224,196,.12);
    --brand-40:rgba(25,224,196,.40);
    --ember:#FF8A3D;
    --orbit:#6D5BFF;
    --tmain:#E8EDF7;
    --tsub:#9AA7C2;
    --tweak:#6B7896;
    --lt-main:#0C1224;
    --lt-sub:#5A6480;
    --line-dark:rgba(255,255,255,.08);
    --line-light:rgba(12,18,36,.08);
    --ok:#3DD68C;
    --warn:#FFB020;
    --err:#F04E4E;
    --r-card:14px;
    --r-lg:18px;
    --r-btn:10px;
    --sh-dark:0 8px 24px rgba(4,7,18,.45);
    --sh-light:0 6px 18px rgba(12,18,36,.08);
    --font-cn: system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    --font-num: "Barlow Condensed","Oswald","DIN Alternate",var(--font-cn);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.7;
    color:var(--tmain);
    background:var(--ink);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
  ul,ol{list-style:none;}
  img{display:block;max-width:100%;height:auto;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  button{background:none;border:none;cursor:pointer;}
  a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible,textarea:focus-visible{
    outline:2px solid var(--brand);
    outline-offset:2px;
    border-radius:6px;
  }
  ::selection{background:var(--brand-40);color:#04121A;}

  .container-site{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding-left:16px;
    padding-right:16px;
  }
  @media (min-width:768px){ .container-site{padding-left:24px;padding-right:24px;} }
  @media (min-width:1280px){ .container-site{padding-left:32px;padding-right:32px;} }

  /* ---------- 导航 ---------- */
  .nav-shell{
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(6,10,22,.92);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line-dark);
    transition:box-shadow .25s ease,border-color .25s ease;
  }
  .nav-shell.is-scrolled{
    box-shadow:0 8px 26px rgba(4,7,18,.55);
    border-bottom-color:rgba(255,255,255,.12);
  }
  .nav-brand-row{
    display:flex;
    align-items:center;
    gap:16px;
    height:68px;
  }
  .logo-mark{
    width:36px;height:36px;flex:none;
    display:grid;place-items:center;
    border-radius:10px;
    background:var(--brand-10);
    border:1px solid var(--brand-40);
  }
  .logo-text{
    font-size:16px;
    font-weight:700;
    letter-spacing:-.01em;
    color:var(--tmain);
    line-height:1.25;
  }
  .logo-sub{
    font-size:11px;
    letter-spacing:.08em;
    color:var(--tweak);
    line-height:1.4;
  }
  .search-box{
    flex:1;
    display:flex;
    align-items:center;
    gap:8px;
    max-width:380px;
    height:40px;
    padding:0 14px;
    border-radius:999px;
    background:var(--panel);
    border:1px solid var(--line-dark);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-box:focus-within{
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(25,224,196,.18);
  }
  .search-box input{
    flex:1;
    min-width:0;
    height:100%;
    background:transparent;
    border:none;
    outline:none;
    font-size:14px;
    color:var(--tmain);
  }
  .search-box input::placeholder{color:var(--tweak);}

  .nav-channels{
    display:flex;
    align-items:center;
    gap:10px;
    padding-bottom:12px;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    -ms-overflow-style:none;
    scrollbar-width:none;
  }
  .nav-channels::-webkit-scrollbar{display:none;}
  .chip{
    position:relative;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    flex:none;
    scroll-snap-align:start;
    padding:7px 16px;
    border-radius:999px;
    border:1px solid var(--line-dark);
    color:var(--tsub);
    font-size:13px;
    line-height:1.5;
    white-space:nowrap;
    transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
  }
  .chip:hover{
    color:var(--tmain);
    border-color:var(--brand-40);
    background:var(--brand-08);
  }
  .chip.is-active{
    color:#04121A;
    font-weight:600;
    background:var(--brand);
    border-color:var(--brand);
  }
  .chip.is-active::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:-9px;
    transform:translateX(-50%);
    width:26px;
    height:2px;
    border-radius:2px;
    background:var(--brand);
  }
  @media (max-width:767px){
    .nav-brand-row{height:60px;justify-content:space-between;gap:10px;}
    .search-box{display:none;}
    .nav-channels{display:none;padding-bottom:14px;}
    .nav-shell.nav-open .nav-channels{
      display:flex;
      flex-direction:column;
      align-items:stretch;
    }
    .nav-shell.nav-open .nav-channels .chip{width:100%;}
    .chip.is-active::after{display:none;}
  }

  /* ---------- 按钮 ---------- */
  .btn-main{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    border-radius:var(--r-btn);
    background:var(--brand);
    color:#04121A;
    font-size:14px;
    font-weight:600;
    line-height:1.4;
    transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  }
  .btn-main:hover{
    filter:brightness(1.08);
    transform:translateY(-2px);
    box-shadow:0 6px 20px rgba(25,224,196,.25);
  }
  .btn-main:active{transform:translateY(0);}
  .btn-ghost{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 24px;
    border-radius:var(--r-btn);
    background:transparent;
    border:1px solid rgba(232,237,247,.30);
    color:var(--tmain);
    font-size:14px;
    font-weight:600;
    line-height:1.4;
    transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
  }
  .btn-ghost:hover{
    color:var(--brand);
    border-color:var(--brand);
    background:var(--brand-08);
    transform:translateY(-2px);
  }
  .btn-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    font-weight:600;
    color:var(--brand);
    transition:color .2s ease;
  }
  .btn-link svg{transition:transform .2s ease;}
  .btn-link:hover{color:var(--brand-hover);}
  .btn-link:hover svg{transform:translateX(4px);}

  /* ---------- 徽章 ---------- */
  .badge-square{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 10px;
    border-radius:6px;
    background:var(--brand-12);
    color:var(--brand);
    font-size:12px;
    line-height:1.4;
    letter-spacing:.08em;
  }
  .badge-square.is-light{
    background:rgba(25,224,196,.14);
    color:#0A8C7B;
  }
  .badge-pill{
    display:inline-flex;
    align-items:center;
    padding:5px 12px;
    border-radius:999px;
    border:1px solid var(--line-dark);
    color:var(--tsub);
    font-size:12px;
    line-height:1.4;
  }

  /* ---------- 首屏 ---------- */
  .hero-cat{
    position:relative;
    overflow:hidden;
    background:var(--ink);
    padding:52px 0 60px;
  }
  @media (min-width:1024px){ .hero-cat{padding:72px 0 80px;} }
  .hero-media{
    position:absolute;
    inset:0;
    background-image:url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
    opacity:.34;
  }
  .hero-mask{
    position:absolute;
    inset:0;
    background:linear-gradient(96deg,rgba(6,10,22,.95) 0%,rgba(6,10,22,.78) 52%,rgba(6,10,22,.62) 100%);
  }
  .hero-slice{
    position:absolute;
    left:0;right:0;bottom:-1px;
    height:56px;
    background:var(--light-bg);
    clip-path:polygon(0 100%,100% 0,100% 100%);
    opacity:.06;
  }
  .hero-inner{position:relative;z-index:2;max-width:820px;}
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--tweak);
  }
  .breadcrumb a{color:var(--tweak);transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:rgba(107,120,150,.7);}
  .breadcrumb .current{color:var(--tsub);}
  .hero-cat h1{
    margin-top:18px;
    font-size:30px;
    line-height:1.3;
    font-weight:800;
    letter-spacing:-.01em;
    color:#FFFFFF;
  }
  @media (min-width:768px){ .hero-cat h1{font-size:40px;} }
  @media (min-width:1024px){ .hero-cat h1{font-size:46px;} }
  .hero-lead{
    margin-top:16px;
    max-width:640px;
    font-size:16px;
    line-height:1.8;
    color:var(--tsub);
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:28px;
  }
  .hero-facts{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:26px;
  }

  /* ---------- 通用板块 ---------- */
  .section{padding:56px 0;}
  @media (min-width:1024px){ .section{padding:88px 0;} }
  .section-dark{background:var(--ink);}
  .section-dark-alt{background:var(--ink-deep);}
  .section-light{background:var(--light-bg);color:var(--lt-main);}
  .section-head{max-width:760px;margin-bottom:28px;}
  @media (min-width:1024px){ .section-head{margin-bottom:36px;} }
  .section-head h2{
    margin-top:14px;
    font-size:28px;
    line-height:1.35;
    font-weight:800;
    letter-spacing:-.01em;
  }
  @media (min-width:1024px){ .section-head h2{font-size:32px;} }
  .section-head p{
    margin-top:14px;
    font-size:15px;
    line-height:1.85;
    color:var(--tsub);
  }
  .section-light .section-head p{color:var(--lt-sub);}
  .section-light .section-head h2{color:var(--lt-main);}

  /* ---------- 锚点标签行 ---------- */
  .anchor-row{
    display:flex;
    gap:10px;
    overflow-x:auto;
    padding:2px 0 4px;
    margin-bottom:32px;
    -ms-overflow-style:none;
    scrollbar-width:none;
  }
  .anchor-row::-webkit-scrollbar{display:none;}
  .anchor-tag{
    flex:none;
    padding:8px 16px;
    border-radius:999px;
    border:1px solid var(--line-light);
    background:#FFFFFF;
    color:var(--lt-sub);
    font-size:13px;
    line-height:1.5;
    white-space:nowrap;
    box-shadow:0 2px 8px rgba(12,18,36,.04);
  }
  .anchor-tag.is-current{
    background:var(--brand);
    border-color:var(--brand);
    color:#04121A;
    font-weight:600;
  }

  /* ---------- 卡片网格 ---------- */
  .grid-cards{
    display:grid;
    grid-template-columns:1fr;
    gap:20px;
  }
  @media (min-width:640px){ .grid-cards{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .grid-cards{grid-template-columns:repeat(3,1fr);gap:24px;} }

  .card-light{
    display:flex;
    flex-direction:column;
    padding:16px;
    border-radius:var(--r-card);
    background:#FFFFFF;
    border:1px solid var(--line-light);
    box-shadow:var(--sh-light);
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  .card-light:hover{
    transform:translateY(-4px);
    border-color:var(--brand-40);
    box-shadow:0 14px 30px rgba(12,18,36,.12);
  }
  .media-frame{
    position:relative;
    aspect-ratio:16/9;
    border-radius:12px;
    overflow:hidden;
    background:var(--raised);
    border:1px solid rgba(12,18,36,.06);
  }
  .media-frame img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .45s ease;
  }
  .card-light:hover .media-frame img{transform:scale(1.03);}
  .card-light h3{
    margin-top:16px;
    font-size:19px;
    line-height:1.45;
    font-weight:700;
    color:var(--lt-main);
  }
  .card-light p{
    margin-top:10px;
    font-size:14px;
    line-height:1.8;
    color:var(--lt-sub);
  }
  .card-foot{
    margin-top:auto;
    padding-top:16px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
  }
  .card-foot .btn-link{color:#0A8C7B;}
  .card-foot .btn-link:hover{color:var(--brand-hover);}
  .card-foot .idx{
    font-family:var(--font-num);
    font-variant-numeric:tabular-nums;
    font-size:22px;
    line-height:1;
    color:rgba(12,18,36,.16);
    letter-spacing:.02em;
  }

  /* ---------- 图文分栏 ---------- */
  .split{
    display:grid;
    grid-template-columns:1fr;
    gap:28px;
    align-items:center;
  }
  @media (min-width:1024px){ .split{grid-template-columns:1fr 1fr;gap:56px;} }
  .ratio-4-3{
    aspect-ratio:4/3;
    border-radius:var(--r-lg);
    overflow:hidden;
    border:1px solid var(--line-dark);
    background:var(--raised);
    box-shadow:var(--sh-dark);
  }
  .ratio-4-3 img{width:100%;height:100%;object-fit:cover;}
  .split-body h2{
    margin-top:14px;
    font-size:28px;
    line-height:1.35;
    font-weight:800;
    letter-spacing:-.01em;
    color:#FFFFFF;
  }
  @media (min-width:1024px){ .split-body h2{font-size:32px;} }
  .split-body p{
    margin-top:16px;
    font-size:15px;
    line-height:1.9;
    color:var(--tsub);
  }
  .point-list{margin-top:22px;display:grid;gap:14px;}
  .point-list li{
    display:flex;
    gap:12px;
    font-size:14px;
    line-height:1.8;
    color:var(--tsub);
  }
  .point-list li::before{
    content:"";
    flex:none;
    width:8px;height:8px;
    margin-top:9px;
    border-radius:2px;
    background:var(--brand);
  }

  /* ---------- 行列表 ---------- */
  .list-rows{border-top:1px solid var(--line-dark);}
  .list-row{
    display:grid;
    grid-template-columns:1fr auto;
    gap:12px 20px;
    align-items:center;
    padding:20px 4px 20px 16px;
    border-bottom:1px solid var(--line-dark);
    position:relative;
    transition:background .2s ease;
  }
  .list-row::before{
    content:"";
    position:absolute;
    left:0;top:22px;bottom:22px;
    width:1px;
    background:var(--brand);
    opacity:.55;
  }
  .list-row:hover{background:var(--raised);}
  .list-row h3{
    font-size:16px;
    font-weight:600;
    color:var(--tmain);
  }
  .list-row .desc{
    margin-top:6px;
    font-size:13.5px;
    line-height:1.7;
    color:var(--tweak);
  }
  .list-row .stamp{
    font-family:var(--font-num);
    font-variant-numeric:tabular-nums;
    font-size:13px;
    letter-spacing:.04em;
    color:var(--brand);
    white-space:nowrap;
  }
  .coverage-meta{
    margin-top:18px;
    font-size:13px;
    color:var(--tweak);
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px;margin:0 auto;}
  .faq-item{border-top:1px solid var(--line-dark);}
  .faq-item:last-child{border-bottom:1px solid var(--line-dark);}
  .faq-item summary{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:22px 0;
    cursor:pointer;
    list-style:none;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-q{
    font-size:17px;
    font-weight:600;
    line-height:1.6;
    color:var(--tmain);
  }
  .faq-icon{
    flex:none;
    width:24px;height:24px;
    display:grid;place-items:center;
    border-radius:50%;
    border:1px solid var(--line-dark);
    color:var(--tsub);
    font-size:15px;
    line-height:1;
    transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  }
  .faq-item[open] .faq-icon{
    transform:rotate(45deg);
    background:var(--brand);
    border-color:var(--brand);
    color:#04121A;
  }
  .faq-item[open] .faq-q{color:var(--brand);}
  .faq-a{
    padding:0 40px 24px 0;
    font-size:15px;
    line-height:1.85;
    color:var(--tsub);
  }

  /* ---------- 底部引导 ---------- */
  .cta-band{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    max-width:960px;
    margin:0 auto;
    padding:32px;
    border-radius:var(--r-lg);
    background:var(--panel);
    border:1px solid var(--line-dark);
    box-shadow:var(--sh-dark);
  }
  @media (min-width:1024px){ .cta-band{padding:44px 48px;} }
  .cta-band h2{
    font-size:24px;
    line-height:1.4;
    font-weight:800;
    color:#FFFFFF;
  }
  @media (min-width:1024px){ .cta-band h2{font-size:28px;} }
  .cta-band p{
    margin-top:10px;
    max-width:520px;
    font-size:14.5px;
    line-height:1.8;
    color:var(--tsub);
  }

  /* ---------- 页脚 ---------- */
  .starfield-footer{
    position:relative;
    color:var(--tsub);
    overflow:hidden;
  }
  .starfield-footer::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:
      radial-gradient(1px 1px at 18% 26%,rgba(255,255,255,.42) 0,transparent 100%),
      radial-gradient(1px 1px at 68% 62%,rgba(255,255,255,.30) 0,transparent 100%),
      radial-gradient(1px 1px at 42% 84%,rgba(255,255,255,.26) 0,transparent 100%),
      radial-gradient(1px 1px at 88% 16%,rgba(255,255,255,.28) 0,transparent 100%);
    background-size:320px 320px,262px 262px,408px 408px,224px 224px;
    opacity:.09;
    pointer-events:none;
  }
  .starfield-footer > *{position:relative;z-index:1;}
  .footer-link{
    font-size:14px;
    color:var(--tsub);
    transition:color .2s ease,padding-left .2s ease;
  }
  .footer-link:hover{color:var(--brand);}
  .social-btn{
    width:36px;height:36px;
    display:grid;place-items:center;
    border-radius:10px;
    border:1px solid var(--line-dark);
    color:var(--tsub);
    transition:color .2s ease,border-color .2s ease,background .2s ease;
  }
  .social-btn:hover{
    color:var(--brand);
    border-color:var(--brand-40);
    background:var(--brand-10);
  }

  /* ---------- 星点装饰 ---------- */
  .starfield{
    position:relative;
    overflow:hidden;
  }
  .starfield::after{
    content:"";
    position:absolute;
    inset:0;
    background-image:
      radial-gradient(1px 1px at 14% 30%,rgba(255,255,255,.40) 0,transparent 100%),
      radial-gradient(1px 1px at 62% 70%,rgba(255,255,255,.28) 0,transparent 100%),
      radial-gradient(1px 1px at 84% 22%,rgba(255,255,255,.26) 0,transparent 100%);
    background-size:300px 300px,240px 240px,380px 380px;
    opacity:.10;
    pointer-events:none;
  }
  .starfield > *{position:relative;z-index:1;}