/* roulang page: index */
:root{
  --ink-900:#070C18;
  --ink-800:#0B1424;
  --ink-700:#101C33;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#21E6C1;
  --brand-2:#5B6BFF;
  --accent:#FF7A45;
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF5A5A;
  --txt:#E8EEF9;
  --txt-2:#9AA9C4;
  --txt-3:#6B7A99;
  --r-card:16px;
  --r-glass:20px;
  --r-input:12px;
  --shadow:0 16px 36px rgba(0,0,0,.45);
  --shadow-hover:0 22px 48px rgba(0,0,0,.58),0 0 26px rgba(33,230,193,.14);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--txt);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:12px;border:0}
a{color:var(--brand);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand);text-decoration:underline}
h1,h2,h3,h4{line-height:1.35;margin:0;font-weight:700;color:var(--txt)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
::selection{background:rgba(33,230,193,.28);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
@media screen and (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#04121A;box-shadow:0 0 24px rgba(33,230,193,.35)}
.btn-primary:hover{color:#04121A;box-shadow:0 0 34px rgba(33,230,193,.5);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--txt)}
.btn-ghost:hover{border-color:rgba(33,230,193,.5);color:var(--brand);text-decoration:none}
.btn-accent{background:var(--accent);color:#1B0B04;box-shadow:0 0 22px rgba(255,122,69,.32)}
.btn-accent:hover{color:#1B0B04;box-shadow:0 0 32px rgba(255,122,69,.45);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-lg{height:50px;padding:0 28px;font-size:16px}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand)}
.btn-text:hover{text-decoration:underline}
.btn-text i{transition:transform .22s ease}
.btn-text:hover i{transform:translateX(3px)}
.button{background:var(--brand);color:#04121A;border-radius:999px;font-weight:600}
.button:hover{background:#1ad2af;color:#04121A}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-stuck{
  background:rgba(7,12,24,.9);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:72px;
  display:flex;align-items:center;gap:18px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--txt);font-size:18px;font-weight:700;flex:0 0 auto}
.logo:hover{color:var(--txt);text-decoration:none}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#04121A;font-size:15px;
  box-shadow:0 0 18px rgba(33,230,193,.32);
}
.nav-links{display:flex;align-items:center;gap:2px;flex:1 1 auto;min-width:0}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 10px;border-radius:10px;font-size:14px;font-weight:500;
  color:var(--txt-2);white-space:nowrap;transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{color:var(--txt);background:rgba(255,255,255,.045);text-decoration:none}
.nav-links a::after{
  content:'';position:absolute;left:10px;right:10px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--txt);font-weight:600}
.nav-links a i{font-size:12px;color:var(--brand)}
.nav-badge{
  font-size:11px;line-height:1;padding:3px 6px;border-radius:999px;
  background:rgba(255,122,69,.16);color:var(--accent);border:1px solid rgba(255,122,69,.38);
}
.nav-badge-alt{background:rgba(91,107,255,.18);color:#9AA5FF;border-color:rgba(91,107,255,.45)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--txt);font-size:16px;cursor:pointer;
}
.mobile-menu{
  position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);z-index:90;
  background:var(--ink-800);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .32s ease;
  padding:84px 22px 26px;overflow-y:auto;
}
.mobile-menu.is-open{transform:translateX(0)}
.mobile-menu a{
  display:flex;align-items:center;gap:10px;
  padding:14px 12px;border-radius:12px;color:var(--txt-2);font-size:15px;font-weight:500;
  border:1px solid transparent;
}
.mobile-menu a:hover{background:rgba(255,255,255,.05);color:var(--txt);text-decoration:none}
.mobile-menu a.is-active{color:var(--brand);border-color:rgba(33,230,193,.35);background:rgba(33,230,193,.07)}
.mobile-menu a i{width:18px;text-align:center;color:var(--brand);font-size:13px}
.mobile-menu .mm-cta{margin-top:18px;display:grid;gap:10px}
.mobile-menu .mm-cta .btn{width:100%}
.menu-mask{
  position:fixed;inset:0;background:rgba(4,8,16,.6);z-index:80;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.menu-mask.is-open{opacity:1;pointer-events:auto}
body.menu-open{overflow:hidden}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:126px 0 74px;
  background:
    radial-gradient(900px 420px at 15% -10%,rgba(33,230,193,.12),transparent 62%),
    radial-gradient(760px 380px at 92% 8%,rgba(91,107,255,.16),transparent 66%),
    var(--ink-900);
  overflow:hidden;
}
.hero::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.85),transparent 78%);
}
.hero .grid-container{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  color:var(--brand);background:rgba(33,230,193,.1);
  border:1px solid rgba(33,230,193,.3);border-radius:999px;
  padding:5px 12px;margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.hero h1{
  font-size:clamp(28px,4.4vw,44px);font-weight:700;
  max-width:19em;margin:0 0 16px;
}
.hero-sub{
  color:var(--txt-2);font-size:16px;max-width:640px;margin:0 0 26px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 26px;margin-bottom:30px}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--txt-3)}
.hero-meta i{color:var(--brand);font-size:13px}
.hero-grid{margin-top:6px}
.hero-cover{
  position:relative;border-radius:var(--r-glass);overflow:hidden;
  box-shadow:var(--shadow);aspect-ratio:16/9;border:1px solid var(--line);
}
.hero-cover img{width:100%;height:100%;object-fit:cover;border-radius:0}
.hero-cover::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,24,.1) 0%,rgba(7,12,24,.55) 52%,rgba(7,12,24,.92) 100%);
}
.hero-badge{
  position:absolute;top:16px;left:16px;z-index:3;
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:12px;font-weight:700;
  color:var(--brand);background:rgba(9,20,32,.72);
  border:1px solid rgba(33,230,193,.5);backdrop-filter:blur(8px);
}
.hero-badge .pulse{
  width:7px;height:7px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 0 rgba(33,230,193,.6);animation:pulse 1.9s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(33,230,193,.55)}
  70%{box-shadow:0 0 0 10px rgba(33,230,193,0)}
  100%{box-shadow:0 0 0 0 rgba(33,230,193,0)}
}
.hero-info{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:3;
  display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;
  font-size:14px;color:var(--txt-2);
}
.hero-info strong{color:var(--txt);font-size:17px;font-variant-numeric:tabular-nums}
.hero-info .sep{width:1px;height:14px;background:var(--line-strong)}

.glass-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(16px);
  border-radius:var(--r-glass);
  box-shadow:var(--shadow);
  padding:24px;
}
.countdown-card h2{font-size:20px;margin-bottom:6px}
.countdown-card .cd-date{
  font-size:14px;color:var(--txt-3);font-variant-numeric:tabular-nums;
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.countdown-card .cd-date i{color:var(--brand)}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0 0 20px}
.cd-cell{
  text-align:center;padding:10px 4px;border-radius:12px;
  background:rgba(7,12,24,.55);border:1px solid var(--line);
}
.cd-num{
  display:block;font-size:clamp(28px,5vw,44px);font-weight:700;line-height:1.1;
  font-variant-numeric:tabular-nums;color:var(--txt);
}
.cd-unit{display:block;font-size:12px;color:var(--txt-3);margin-top:2px}
.countdown.is-urgent .cd-num{color:var(--accent)}
.countdown.is-urgent .cd-cell{border-color:rgba(255,122,69,.45)}
.countdown.is-urgent{animation:breathe 2.2s ease-in-out infinite;border-radius:14px}
@keyframes breathe{
  0%,100%{box-shadow:0 0 0 rgba(255,122,69,0)}
  50%{box-shadow:0 0 26px rgba(255,122,69,.32)}
}
.countdown-card .cd-actions{display:flex;flex-wrap:wrap;gap:10px}
.countdown-card .cd-note{font-size:13px;color:var(--txt-3);margin-top:14px}

/* ---------- sections ---------- */
.section{padding:var(--sec-y) 0;position:relative}
.section-alt{background:var(--ink-800)}
.section-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:20px 28px;flex-wrap:wrap;margin-bottom:38px;
}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.section-desc{color:var(--txt-2);font-size:15px;margin:10px 0 0;max-width:620px}
.divider{height:1px;background:var(--line);margin:0}

/* ---------- focus list ---------- */
.focus-list{display:grid;grid-template-columns:1fr 1fr;gap:20px 30px}
.focus-item{
  position:relative;padding:2px 0 2px 22px;
  border-left:1px solid rgba(33,230,193,.5);
}
.focus-list .focus-item:nth-child(even){transform:translateY(24px)}
.focus-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:8px;margin-bottom:10px;
  font-size:12px;font-weight:700;color:var(--brand);
  background:rgba(33,230,193,.12);border:1px solid rgba(33,230,193,.4);
  font-variant-numeric:tabular-nums;
}
.focus-item h3{font-size:18px;margin-bottom:6px}
.focus-item p{color:var(--txt-2);font-size:14px;margin:0}

/* ---------- timeline ---------- */
.timeline{list-style:none}
.timeline li{
  display:grid;grid-template-columns:104px 1fr auto;gap:16px 20px;align-items:center;
  padding:18px 22px;margin-bottom:12px;border-radius:var(--r-card);
  background:var(--ink-800);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.section-alt .timeline li{background:var(--ink-700)}
.timeline li:hover{transform:translateY(-3px);border-color:rgba(33,230,193,.42);box-shadow:var(--shadow-hover)}
.tl-time{
  font-size:19px;font-weight:700;color:var(--txt);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-main h3{font-size:17px;margin-bottom:4px}
.tl-main p{font-size:14px;color:var(--txt-3);margin:0}
.tl-right{display:flex;align-items:center;gap:14px}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.06);color:var(--txt-2);border:1px solid var(--line);
  white-space:nowrap;
}
.badge-brand{background:rgba(33,230,193,.12);color:var(--brand);border-color:rgba(33,230,193,.4)}
.badge-accent{background:rgba(255,122,69,.14);color:var(--accent);border-color:rgba(255,122,69,.4)}
.badge-blue{background:rgba(91,107,255,.16);color:#9AA5FF;border-color:rgba(91,107,255,.42)}
.badge-ok{background:rgba(46,212,122,.14);color:var(--ok);border-color:rgba(46,212,122,.4)}

/* ---------- subscribe ---------- */
.subscribe-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.subscribe-card{padding:28px}
.subscribe-card h2{font-size:24px;margin-bottom:10px}
.subscribe-card p{color:var(--txt-2);font-size:15px}
.form-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.input{
  flex:1 1 240px;min-width:0;height:48px;padding:0 16px;
  border-radius:var(--r-input);border:1px solid var(--line-strong);
  background:rgba(7,12,24,.62);color:var(--txt);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.input::placeholder{color:var(--txt-3)}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(33,230,193,.18)}
.tag-select{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-opt{
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:500;
  color:var(--txt-2);background:transparent;border:1px solid var(--line-strong);
  cursor:pointer;transition:all .2s ease;
}
.tag-opt:hover{border-color:rgba(33,230,193,.5);color:var(--txt)}
.tag-opt.is-on{background:rgba(33,230,193,.14);border-color:rgba(33,230,193,.55);color:var(--brand)}
.field-msg{display:none;font-size:13px;margin-top:10px;color:var(--txt-3)}
.subscribe-card.is-error{border-color:rgba(255,122,69,.6)}
.subscribe-card.is-error .input{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,69,.16)}
.subscribe-card.is-error .field-msg{display:block;color:var(--accent)}
.subscribe-card.is-done{border-color:rgba(33,230,193,.6);box-shadow:0 0 30px rgba(33,230,193,.16)}
.subscribe-card.is-done .field-msg{display:block;color:var(--brand)}
.subscribe-side{display:grid;gap:14px}
.side-item{
  display:flex;gap:14px;align-items:flex-start;padding:18px;
  border-radius:var(--r-card);background:var(--ink-800);border:1px solid var(--line);
}
.section-alt .side-item{background:var(--ink-700)}
.side-item i{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  display:grid;place-items:center;font-size:15px;
  background:rgba(33,230,193,.12);color:var(--brand);border:1px solid rgba(33,230,193,.3);
}
.side-item h3{font-size:16px;margin-bottom:4px}
.side-item p{font-size:14px;color:var(--txt-2);margin:0}

/* ---------- category grid ---------- */
.cat-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:18px}
.cat-card{
  position:relative;display:block;overflow:hidden;
  padding:24px;border-radius:var(--r-card);
  background:var(--ink-800);border:1px solid var(--line);
  color:var(--txt);transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.cat-card:hover{
  transform:translateY(-4px);border-color:rgba(33,230,193,.45);
  box-shadow:var(--shadow-hover);color:var(--txt);text-decoration:none;
}
.cat-card::after{
  content:'';position:absolute;top:-40%;left:-60%;width:60%;height:180%;
  background:linear-gradient(100deg,transparent,rgba(33,230,193,.16),transparent);
  transform:translateX(-40%) rotate(8deg);opacity:0;transition:opacity .3s ease,transform .6s ease;
  pointer-events:none;
}
.cat-card:hover::after{opacity:1;transform:translateX(320%) rotate(8deg)}
.cat-card.is-featured{
  grid-row:span 3;display:flex;flex-direction:column;justify-content:space-between;
  padding:0;min-height:300px;
}
.cat-media{position:relative;height:100%;min-height:200px;overflow:hidden}
.cat-media img{width:100%;height:100%;object-fit:cover;border-radius:0;position:absolute;inset:0}
.cat-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,24,.35),rgba(7,12,24,.95))}
.cat-featured-body{position:absolute;left:0;right:0;bottom:0;padding:24px}
.cat-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-size:16px;color:var(--brand);background:rgba(33,230,193,.12);
  border:1px solid rgba(33,230,193,.34);margin-bottom:14px;
}
.cat-card h3{font-size:18px;margin-bottom:8px}
.cat-card.is-featured h3{font-size:22px}
.cat-card p{font-size:14px;color:var(--txt-2);margin:0 0 14px}
.cat-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand)}
.cat-link i{transition:transform .22s ease}
.cat-card:hover .cat-link i{transform:translateX(4px)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:20px;align-items:start}
.news-main{padding:0;overflow:hidden}
.news-main-media{display:block}
.news-main-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.news-main .news-body{padding:22px}
.news-main h3{font-size:20px;margin:12px 0 10px}
.news-main h3 a{color:var(--txt)}
.news-main h3 a:hover{color:var(--brand);text-decoration:none}
.news-sum{color:var(--txt-2);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.news-meta time{font-size:13px;color:var(--txt-3);font-variant-numeric:tabular-nums}
.news-side{display:grid;gap:16px}
.news-sub{display:flex;gap:16px;padding:16px;align-items:flex-start}
.news-thumb{flex:0 0 96px;width:96px;height:72px;border-radius:12px;overflow:hidden;display:block}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.news-sub-body{min-width:0;flex:1 1 auto}
.news-sub h3{
  font-size:17px;line-height:1.5;margin:6px 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sub h3 a{color:var(--txt)}
.news-sub h3 a:hover{color:var(--brand);text-decoration:none}
.news-sub .news-sum{-webkit-line-clamp:2;margin-bottom:8px}
.news-sub .news-meta{margin-top:8px;padding-top:8px}
.empty-state{
  text-align:center;padding:56px 24px;border-radius:var(--r-card);
  border:1px dashed var(--line-strong);background:rgba(255,255,255,.02);
}
.empty-state i{font-size:30px;color:var(--txt-3);margin-bottom:14px;display:block}
.empty-state p{color:var(--txt-2);font-size:15px;margin-bottom:18px}

/* ---------- replay rail ---------- */
.rail-wrap{position:relative}
.rail-wrap::after{
  content:'';position:absolute;top:0;right:0;bottom:18px;width:64px;pointer-events:none;
  background:linear-gradient(90deg,rgba(7,12,24,0),var(--ink-900));
}
.section-alt .rail-wrap::after{background:linear-gradient(90deg,rgba(11,20,36,0),var(--ink-800))}
.rail{
  display:flex;gap:18px;overflow-x:auto;padding-bottom:16px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(33,230,193,.35);border-radius:999px}
.rail::-webkit-scrollbar-track{background:rgba(255,255,255,.06);border-radius:999px}
.rail-card{
  position:relative;flex:0 0 300px;scroll-snap-align:start;
  border-radius:var(--r-card);overflow:hidden;
  background:var(--ink-800);border:1px solid var(--line);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.rail-card:first-child{flex:0 0 420px}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.45);box-shadow:var(--shadow-hover)}
.rail-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.rail-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.rail-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,24,.05),rgba(7,12,24,.6))}
.rail-dur{
  position:absolute;right:10px;bottom:10px;z-index:2;
  padding:3px 8px;border-radius:8px;font-size:12px;font-weight:600;
  background:rgba(7,12,24,.78);color:var(--txt);font-variant-numeric:tabular-nums;
  border:1px solid var(--line);
}
.rail-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:rgba(33,230,193,.9);color:#04121A;font-size:16px;
  box-shadow:0 0 26px rgba(33,230,193,.45);transition:transform .24s ease;
}
.rail-card:hover .rail-play{transform:translate(-50%,-50%) scale(1.08)}
.rail-body{padding:16px 18px 18px}
.rail-body h3{font-size:16px;margin-bottom:6px}
.rail-body p{font-size:13px;color:var(--txt-3);margin:0}
.rail-hint{
  display:flex;align-items:center;gap:8px;margin-top:6px;
  font-size:13px;color:var(--txt-3);
}
.rail-hint i{color:var(--brand)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  padding:22px;border-radius:var(--r-card);
  background:var(--ink-800);border:1px solid var(--line);
}
.stat-num{
  font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-label{font-size:14px;color:var(--txt-2);margin-top:6px}
.stat-note{font-size:12px;color:var(--txt-3);margin-top:2px}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:340px 1fr;gap:36px;align-items:start}
.faq-side p{color:var(--txt-2);font-size:15px}
.accordion{background:transparent;border:none;border-radius:0;margin:0}
.accordion-item{border:none;border-bottom:1px solid var(--line);background:transparent}
.accordion-item:first-child{border-top:1px solid var(--line)}
.accordion-title{
  border:none;background:transparent;color:var(--txt);
  font-size:17px;font-weight:600;padding:18px 44px 18px 16px;
  position:relative;transition:color .22s ease,background .22s ease;
}
.accordion-title::before{
  content:'\25BE';position:absolute;right:18px;top:50%;
  transform:translateY(-50%);color:var(--txt-3);
  font-size:13px;transition:transform .25s ease,color .25s ease;
}
.accordion-title:hover,.accordion-title:focus{background:rgba(255,255,255,.035);color:var(--brand);outline:none}
.accordion-item.is-active .accordion-title{color:var(--brand)}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);color:var(--txt-2)}
.accordion-item.is-active .accordion-title::after{
  content:'';position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--brand);border-radius:2px;
}
.accordion-content{
  border:none;background:transparent;color:var(--txt-2);
  font-size:15px;padding:0 44px 20px 16px;
}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-glass);
  padding:48px;border:1px solid var(--line);
  background-image:linear-gradient(100deg,rgba(7,12,24,.92),rgba(11,20,36,.78)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{color:var(--txt-2);font-size:16px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{color:var(--txt-2);font-size:14px;margin-bottom:16px}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--txt)}
.footer-col a{display:block;color:var(--txt-2);font-size:14px;padding:6px 0;text-decoration:none}
.footer-col a:hover{color:var(--brand);text-decoration:none}
.footer-sub-form{display:flex;gap:8px;margin-top:12px}
.footer-sub-form .input{height:44px;flex:1 1 auto}
.footer-sub-form .btn{height:44px;padding:0 16px;font-size:14px}
.footer-note{font-size:13px;color:var(--txt-3);margin-top:12px}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-3);
}
.footer-bottom a{color:var(--txt-3)}
.footer-bottom a:hover{color:var(--brand);text-decoration:none}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  :root{--sec-y:64px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-actions .btn-ghost{display:none}
  .hero{padding:112px 0 56px}
  .focus-list{grid-template-columns:1fr}
  .focus-list .focus-item:nth-child(even){transform:none}
  .subscribe-grid,.faq-wrap{grid-template-columns:1fr;gap:24px}
  .news-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .cat-card.is-featured{grid-row:auto;min-height:0}
  .cat-media{min-height:220px;position:relative}
  .cat-media img{position:relative;height:220px}
  .cat-featured-body{position:relative;padding:22px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:36px}
  .timeline li{grid-template-columns:88px 1fr;padding:16px 18px}
  .tl-right{grid-column:1 / -1;justify-content:flex-start}
}
@media screen and (max-width:639px){
  :root{--sec-y:48px}
  body{font-size:16px}
  .nav-inner{height:64px;padding:0 18px;gap:10px}
  .logo{font-size:16px}
  .logo-mark{width:30px;height:30px;border-radius:9px;font-size:13px}
  .nav-actions .btn-primary{height:38px;padding:0 14px;font-size:13px}
  .hero{padding:100px 0 44px}
  .hero-info{font-size:13px;gap:6px 12px}
  .hero-info strong{font-size:15px}
  .glass-card{padding:18px}
  .countdown{grid-template-columns:repeat(4,1fr);gap:8px}
  .cd-num{font-size:26px}
  .focus-list{gap:16px}
  .rail-card,.rail-card:first-child{flex:0 0 78vw}
  .stats{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .news-sub{flex-direction:column}
  .news-thumb{width:100%;flex:0 0 auto;height:150px}
  .cta-band{padding:26px}
  .cta-actions .btn{width:100%}
  .subscribe-card{padding:20px}
  .form-row .btn,.form-row .input{width:100%;flex:1 1 100%}
  .section-head{margin-bottom:26px}
  .accordion-content{padding-right:16px}
}

/* roulang page: article */
:root{
  --ink-900:#070C18;
  --ink-800:#0B1424;
  --ink-700:#101C33;
  --ink-600:#16243D;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --brand:#21E6C1;
  --brand-2:#5B6BFF;
  --accent:#FF7A45;
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF5A5A;
  --text:#E8EEF9;
  --text-2:#9AA9C4;
  --text-3:#6B7A99;
  --r-card:16px;
  --r-glass:20px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-card:0 16px 36px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(33,230,193,.35);
  --glow-lg:0 0 34px rgba(33,230,193,.5);
  --sec:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 12% -10%, rgba(33,230,193,.10), transparent 60%),
    radial-gradient(760px 460px at 92% 4%, rgba(91,107,255,.14), transparent 62%),
    linear-gradient(180deg, rgba(7,12,24,.2), rgba(7,12,24,.9));
}
img{max-width:100%;height:auto;display:block;border-radius:12px;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);text-decoration:underline;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text);}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(33,230,193,.3);color:#fff;}

/* Foundation 覆盖 */
.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}
.grid-container-full{width:100%;}
.button,.button.primary,.button.secondary{background:transparent;color:inherit;border:0;}
.reveal{border:1px solid var(--line);background:var(--ink-800);}
table{border-collapse:collapse;}

/* ——— 阅读进度 ——— */
.read-progress{position:fixed;top:0;left:0;right:0;height:2px;background:rgba(255,255,255,.06);z-index:90;}
.read-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--brand-2));box-shadow:0 0 12px rgba(33,230,193,.7);transition:width .12s linear;}

/* ——— 导航 ——— */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;}
.site-header::after{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .3s ease,backdrop-filter .3s ease;
  background:rgba(7,12,24,.9);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header.is-scrolled::after{opacity:1;}
.nav-inner{
  position:relative;z-index:2;max-width:1200px;margin:0 auto;
  padding:0 24px;height:72px;display:flex;align-items:center;gap:20px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text);letter-spacing:0;white-space:nowrap;}
.logo:hover{color:var(--text);text-decoration:none;}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(33,230,193,.22),rgba(91,107,255,.28));
  border:1px solid rgba(33,230,193,.4);
  color:var(--brand);font-size:15px;
  box-shadow:0 0 18px rgba(33,230,193,.22);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 12px;font-size:15px;font-weight:500;color:var(--text-2);
  border-radius:10px;white-space:nowrap;text-decoration:none;
  transition:color .2s ease,background .2s ease;
}
.nav-links a i{font-size:13px;color:var(--text-3);transition:color .2s ease;}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04);text-decoration:none;}
.nav-links a:hover i{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-badge{
  font-size:12px;line-height:1;padding:3px 7px;border-radius:var(--r-pill);
  background:rgba(33,230,193,.14);color:var(--brand);border:1px solid rgba(33,230,193,.35);
}
.nav-badge-alt{background:rgba(255,122,69,.14);color:var(--accent);border-color:rgba(255,122,69,.35);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
  font-size:17px;cursor:pointer;transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:rgba(33,230,193,.45);color:var(--brand);}

/* ——— 按钮 ——— */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand);color:#04121A;box-shadow:var(--glow);}
.btn-primary:hover{background:#3DF0D0;color:#04121A;box-shadow:var(--glow-lg);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--glow);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:rgba(33,230,193,.55);color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--brand);text-decoration:none;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover{text-decoration:underline;color:var(--brand);}
.btn-text:hover i{transform:translateX(4px);}

/* ——— 移动端导航 ——— */
.nav-drawer{
  position:fixed;top:72px;left:0;right:0;z-index:79;
  background:rgba(11,20,36,.98);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  padding:10px 20px 18px;
  display:none;flex-direction:column;gap:2px;
  max-height:calc(100vh - 72px);overflow-y:auto;
}
.nav-drawer.is-open{display:flex;}
.nav-drawer a{
  display:flex;align-items:center;gap:10px;
  padding:14px 12px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--text-2);text-decoration:none;
  border-bottom:1px solid rgba(255,255,255,.04);
}
.nav-drawer a:last-of-type{border-bottom:0;}
.nav-drawer a i{color:var(--text-3);width:18px;}
.nav-drawer a.is-active,.nav-drawer a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-drawer a.is-active i,.nav-drawer a:hover i{color:var(--brand);}
.nav-drawer .btn{margin-top:12px;width:100%;}

/* ——— 页面主体 ——— */
.page-main{position:relative;z-index:2;padding-top:72px;}

/* 面包屑 */
.crumbs{padding:22px 0 0;}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:rgba(255,255,255,.22);}
.crumbs a{color:var(--text-3);text-decoration:none;}
.crumbs a:hover{color:var(--brand);}
.crumbs .current{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom;}

/* ——— 文章头部 ——— */
.article-hero{padding:28px 0 46px;border-bottom:1px solid var(--line);}
.article-head{max-width:820px;}
.article-head h1{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.3;
  margin:16px 0 18px;
  letter-spacing:0;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);color:var(--text-2);
  border:1px solid var(--line);
}
.badge-brand{background:rgba(33,230,193,.12);color:var(--brand);border-color:rgba(33,230,193,.35);}
.badge-accent{background:rgba(255,122,69,.12);color:var(--accent);border-color:rgba(255,122,69,.35);}
.badge-live{background:rgba(46,212,122,.12);color:var(--ok);border-color:rgba(46,212,122,.35);}
.badge-live i{font-size:8px;}
.article-lead{
  font-size:16px;line-height:1.85;color:var(--text-2);
  max-width:760px;margin:0 0 22px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:14px;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--text-3);font-size:13px;}
.article-meta time{font-variant-numeric:tabular-nums;}

/* ——— 正文 ——— */
.article-body{padding:52px 0 var(--sec);}
.prose{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:#D5DEED;
}
.prose>*:first-child{margin-top:0;}
.prose p{margin:0 0 1.35em;}
.prose h2{
  position:relative;
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.4;
  margin:2.1em 0 .85em;
  padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.prose h3{font-size:20px;margin:1.7em 0 .7em;color:var(--text);}
.prose h4{font-size:17px;margin:1.4em 0 .5em;color:var(--text-2);}
.prose ul,.prose ol{margin:0 0 1.4em;padding-left:0;list-style:none;}
.prose ul li{position:relative;padding-left:24px;margin-bottom:.55em;}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:3px;
  background:rgba(33,230,193,.8);transform:rotate(45deg);
}
.prose ol{counter-reset:prose-counter;}
.prose ol li{position:relative;padding-left:38px;margin-bottom:.7em;counter-increment:prose-counter;}
.prose ol li::before{
  content:counter(prose-counter);
  position:absolute;left:0;top:.18em;
  width:24px;height:24px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--brand);background:rgba(33,230,193,.12);border:1px solid rgba(33,230,193,.32);
}
.prose blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--brand);
  background:rgba(33,230,193,.06);
  border-radius:0 12px 12px 0;
  color:var(--text-2);font-size:16px;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose a{color:var(--brand);text-decoration:none;border-bottom:1px solid rgba(33,230,193,.4);}
.prose a:hover{text-decoration:none;border-bottom-color:var(--brand);}
.prose img{border-radius:12px;margin:1.6em 0;max-width:100%;height:auto;}
.prose figure{margin:1.8em 0;}
.prose figure img{margin:0;}
.prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;line-height:1.7;}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.prose strong{color:#fff;font-weight:700;}
.prose code{
  font-size:15px;padding:2px 7px;border-radius:6px;
  background:rgba(255,255,255,.07);color:var(--brand);border:1px solid var(--line);
}
.prose pre{
  background:var(--ink-700);border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;overflow-x:auto;margin:1.5em 0;
}
.prose pre code{background:none;border:0;padding:0;color:#CFE3F5;}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.prose table th,.prose table td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;}
.prose table th{background:rgba(33,230,193,.07);color:var(--text);font-weight:600;white-space:nowrap;}
.prose table td:first-child{font-weight:600;color:var(--text);}
.prose table tr:nth-child(even) td{background:rgba(255,255,255,.015);}

/* 空态 */
.empty-state{
  max-width:760px;
  border:1px solid var(--line);background:var(--ink-800);
  border-radius:var(--r-card);box-shadow:var(--shadow-card);
  padding:56px 28px;text-align:center;
}
.empty-state i{font-size:34px;color:var(--text-3);margin-bottom:16px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px;}

/* 文末标签 */
.article-foot{
  max-width:760px;margin-top:36px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--text-3);
}
.article-foot .tag{
  font-size:13px;color:var(--text-2);padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:border-color .2s ease,color .2s ease;
}
.article-foot .tag:hover{border-color:rgba(33,230,193,.5);color:var(--brand);text-decoration:none;}

/* ——— 板块通用 ——— */
.section{padding:var(--sec) 0;position:relative;z-index:2;}
.section-alt{background:linear-gradient(180deg,rgba(11,20,36,0),rgba(11,20,36,.75) 22%,rgba(11,20,36,.75) 78%,rgba(11,20,36,0));}
.section-head{margin-bottom:38px;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{margin:10px 0 0;color:var(--text-2);font-size:15px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(33,230,193,.1);border:1px solid rgba(33,230,193,.3);
  margin-bottom:14px;
}

/* ——— 相关推荐 ——— */
.rel-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:start;}
.card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:22px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.45);box-shadow:0 22px 46px rgba(0,0,0,.5),0 0 26px rgba(33,230,193,.14);}
.card-hero{padding:0;}
.card-hero img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card) var(--r-card) 0 0;margin:0;}
.card-hero .card-body{padding:22px;}
.card-hero .card-body h3{font-size:20px;margin-bottom:10px;line-height:1.5;}
.card-hero .card-body p{font-size:14px;color:var(--text-2);margin-bottom:16px;line-height:1.8;}
.card-tagline{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:12px;}
.rel-list{display:flex;flex-direction:column;gap:14px;}
.rel-item{
  display:grid;grid-template-columns:56px 1fr auto;gap:14px;align-items:center;
  padding:16px 18px;border-radius:var(--r-card);
  background:var(--ink-800);border:1px solid var(--line);
  text-decoration:none;color:var(--text);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.rel-item:hover{transform:translateX(4px);border-color:rgba(33,230,193,.45);background:var(--ink-700);text-decoration:none;color:var(--text);}
.rel-item .idx{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--brand);background:rgba(33,230,193,.1);border:1px solid rgba(33,230,193,.28);
}
.rel-item h3{font-size:16px;margin-bottom:4px;line-height:1.5;}
.rel-item p{font-size:13px;color:var(--text-3);margin:0;line-height:1.7;}
.rel-item .arrow{color:var(--text-3);font-size:14px;transition:transform .2s ease,color .2s ease;}
.rel-item:hover .arrow{color:var(--brand);transform:translateX(3px);}

/* ——— CTA 条 ——— */
.cta-band{padding:0 0 var(--sec);position:relative;z-index:2;}
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:var(--r-card);
  border:1px solid rgba(33,230,193,.28);
  background:
    radial-gradient(600px 300px at 88% 0%, rgba(91,107,255,.22), transparent 65%),
    linear-gradient(120deg, rgba(33,230,193,.12), rgba(16,28,51,.96) 55%);
  padding:42px clamp(22px,4vw,52px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:var(--shadow-card);
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-inner p{margin:0;color:var(--text-2);font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ——— 表单 ——— */
.input{
  width:100%;height:46px;padding:0 15px;
  border-radius:var(--r-input);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.input::placeholder{color:var(--text-3);}
.input:focus{outline:none;border-color:var(--brand);background:rgba(33,230,193,.06);box-shadow:0 0 0 3px rgba(33,230,193,.18);}
.input.is-error{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,90,90,.16);}
.input.is-ok{border-color:var(--ok);box-shadow:0 0 0 3px rgba(46,212,122,.16);}
.field-hint{font-size:13px;color:var(--text-3);margin:8px 0 0;}
.field-hint.error{color:var(--err);}
.field-hint.ok{color:var(--ok);}

/* ——— 页脚 ——— */
.site-footer{
  position:relative;z-index:2;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,12,24,.4),rgba(7,12,24,.96));
  padding:62px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:38px;
  padding-bottom:38px;border-bottom:1px solid var(--line);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.85;max-width:330px;margin:0 0 16px;}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col a{display:block;font-size:14px;color:var(--text-2);padding:6px 0;text-decoration:none;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--brand);transform:translateX(3px);text-decoration:none;}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.75;margin:0 0 12px;}
.footer-sub-form{display:flex;gap:10px;margin-bottom:12px;}
.footer-sub-form .input{flex:1;min-width:0;height:46px;}
.footer-sub-form .btn{height:46px;padding:0 18px;}
.footer-bottom{
  padding-top:22px;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ——— 响应式 ——— */
@media screen and (max-width:1023px){
  :root{--sec:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-inner{height:68px;padding:0 20px;gap:14px;}
  .site-header::after{opacity:1;}
  .page-main{padding-top:68px;}
  .nav-drawer{top:68px;max-height:calc(100vh - 68px);}
  .rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .article-body{padding:42px 0 64px;}
}
@media screen and (max-width:767px){
  :root{--sec:48px;}
  body{font-size:16px;line-height:1.8;}
  .nav-actions .btn-ghost{display:none;}
  .nav-actions .btn-primary span{display:none;}
  .nav-actions .btn-primary{padding:0 16px;}
  .article-hero{padding:20px 0 34px;}
  .article-head h1{margin:14px 0 14px;}
  .article-lead{font-size:15px;}
  .article-body{padding:36px 0 52px;}
  .prose{font-size:16.5px;line-height:1.88;}
  .prose table{display:block;overflow-x:auto;white-space:nowrap;font-size:14px;}
  .section-head{margin-bottom:26px;}
  .cta-inner{padding:30px 22px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-sub-form{flex-wrap:wrap;}
  .footer-sub-form .btn{width:100%;}
}
@media screen and (max-width:519px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .logo{font-size:16px;}
  .logo-mark{width:30px;height:30px;flex-basis:30px;font-size:13px;}
  .nav-actions{gap:8px;}
  .btn-sm{height:38px;padding:0 13px;font-size:13.5px;}
  .rel-item{grid-template-columns:44px 1fr auto;padding:14px;}
  .rel-item .idx{width:38px;height:38px;font-size:13px;}
  .crumbs .current{max-width:180px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --ink-900:#070C18;
  --ink-800:#0B1424;
  --ink-700:#101C33;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#21E6C1;
  --brand-2:#5B6BFF;
  --accent:#FF7A45;
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF5A5A;
  --text:#E8EEF9;
  --text-2:#9AA9C4;
  --text-3:#6B7A99;
  --r-card:16px;
  --r-glass:20px;
  --r-btn:999px;
  --r-input:12px;
  --shadow-card:0 16px 36px rgba(0,0,0,.45);
  --shadow-glow:0 0 24px rgba(33,230,193,.35);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand);text-decoration:underline;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--text);letter-spacing:0;}
p{margin:0 0 1.1em 0;}
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;}
.num{font-variant-numeric:tabular-nums;}

.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media screen and (min-width:1024px){
  .grid-container{padding-left:24px;padding-right:24px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand);color:#04121A;box-shadow:var(--shadow-glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(33,230,193,.5);color:#04121A;background:#3AECC9;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{border-color:rgba(33,230,193,.45);color:var(--brand);background:rgba(33,230,193,.05);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-lg{height:50px;padding:0 28px;font-size:16px;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand);font-size:15px;font-weight:600;
  border:0;background:none;padding:6px 0;cursor:pointer;
}
.btn-text:hover{text-decoration:underline;color:var(--brand);}
.btn-text i{transition:transform .22s ease;}
.btn-text:hover i{transform:translateX(4px);}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
  border:1px solid var(--line-strong);color:var(--text-2);background:rgba(255,255,255,.03);
}
.tag-brand{border-color:rgba(33,230,193,.4);color:var(--brand);background:rgba(33,230,193,.1);}
.tag-accent{border-color:rgba(255,122,69,.42);color:var(--accent);background:rgba(255,122,69,.1);}
.tag-soft{border-color:rgba(91,107,255,.4);color:#A5AEFF;background:rgba(91,107,255,.12);}
.dot-live{
  width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 4px rgba(46,212,122,.16);display:inline-block;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,24,.62);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,12,24,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.nav-inner{
  max-width:1200px;margin:0 auto;
  padding:14px 20px;
  display:flex;align-items:center;gap:24px;
}
@media screen and (min-width:1024px){
  .nav-inner{padding:14px 24px;}
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--text);text-decoration:none;flex:0 0 auto;
}
.logo:hover{text-decoration:none;color:var(--text);}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04121A;font-size:16px;
}
.nav-links{
  display:flex;align-items:center;gap:2px;margin-left:auto;
}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 12px;border-radius:10px;
  color:var(--text-2);font-size:15px;font-weight:500;text-decoration:none;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05);text-decoration:none;}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-links a:hover::after,
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text);}
.nav-links a i{font-size:13px;color:var(--text-3);}
.nav-links a.is-active i,
.nav-links a:hover i{color:var(--brand);}
.nav-badge{
  font-size:11px;line-height:1;padding:3px 7px;border-radius:999px;
  background:rgba(33,230,193,.14);color:var(--brand);border:1px solid rgba(33,230,193,.35);
}
.nav-badge-alt{background:rgba(255,122,69,.14);color:var(--accent);border-color:rgba(255,122,69,.35);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:transparent;color:var(--text);
  align-items:center;justify-content:center;font-size:18px;cursor:pointer;
}
.nav-toggle:hover{border-color:rgba(33,230,193,.45);color:var(--brand);}

@media screen and (max-width:1023px){
  .nav-links{
    position:fixed;left:0;right:0;top:68px;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:14px 16px 22px;
    background:rgba(7,12,24,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px rgba(0,0,0,.55);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:14px 12px;font-size:16px;}
  .nav-links a::after{left:12px;right:auto;width:28px;bottom:6px;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-actions .btn-ghost{display:none;}
}
@media screen and (max-width:639px){
  .logo{font-size:16px;}
  .nav-actions .btn-primary{height:38px;padding:0 14px;font-size:13px;}
  .nav-actions .btn-primary span{display:none;}
}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-color:var(--ink-800);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,12,24,.86) 0%,rgba(7,12,24,.94) 100%),
    linear-gradient(90deg,rgba(7,12,24,.95) 0%,rgba(7,12,24,.55) 60%,rgba(7,12,24,.9) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:44px 0 52px;}
@media screen and (min-width:1024px){
  .page-hero-inner{padding:64px 0 72px;}
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb a{color:var(--text-2);text-decoration:none;}
.crumb a:hover{color:var(--brand);text-decoration:underline;}
.crumb li+li::before{content:"/";color:var(--text-3);margin-right:8px;}
.page-hero h1{
  font-size:clamp(28px,4.4vw,44px);
  max-width:820px;
  margin-bottom:14px;
}
.hero-lead{
  color:var(--text-2);font-size:17px;max-width:720px;margin-bottom:22px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;margin-top:40px;
  border-top:1px solid var(--line);
}
.hero-strip .item{
  padding:18px 18px 4px 0;
  border-right:1px solid var(--line);
}
.hero-strip .item:last-child{border-right:0;}
.hero-strip .val{
  font-size:22px;font-weight:700;color:var(--text);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.hero-strip .lbl{font-size:13px;color:var(--text-3);line-height:1.6;}
@media screen and (max-width:1023px){
  .hero-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-strip .item:nth-child(2){border-right:0;}
  .hero-strip .item:nth-child(3),
  .hero-strip .item:nth-child(4){border-top:1px solid var(--line);}
}
@media screen and (max-width:639px){
  .hero-strip{grid-template-columns:1fr;}
  .hero-strip .item{border-right:0;border-top:1px solid var(--line);padding:14px 0 2px;}
  .hero-strip .item:first-child{border-top:0;}
}

/* ============ 板块通用 ============ */
.section{padding:48px 0;}
@media screen and (min-width:640px){.section{padding:64px 0;}}
@media screen and (min-width:1024px){.section{padding:88px 0;}}
.section-alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--brand);
  border:1px solid rgba(33,230,193,.32);background:rgba(33,230,193,.08);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16px;}
.section-head.with-action{
  max-width:none;display:flex;flex-wrap:wrap;align-items:flex-end;gap:20px;justify-content:space-between;
}
.section-head.with-action .txt{max-width:700px;}

/* ============ 交替图文 ============ */
.media-row{
  display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  padding:32px 0;
  border-bottom:1px solid var(--line);
}
.media-row:last-child{border-bottom:0;padding-bottom:0;}
.media-row:first-child{padding-top:0;}
@media screen and (min-width:1024px){
  .media-row{grid-template-columns:1.05fr 1fr;gap:56px;padding:44px 0;}
  .media-row.reverse .media-figure{order:2;}
  .media-row.reverse .media-body{order:1;}
}
.media-figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  background:var(--ink-700);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.media-figure:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.45);box-shadow:0 22px 44px rgba(0,0,0,.5);}
.media-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.media-figure .fig-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;font-size:13px;color:var(--text-2);
  background:linear-gradient(180deg,rgba(7,12,24,0),rgba(7,12,24,.9));
}
.media-figure .fig-badge{
  position:absolute;top:14px;left:14px;
}
.media-body h2{
  font-size:clamp(22px,2.6vw,30px);margin-bottom:16px;
  position:relative;padding-left:16px;
}
.media-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.media-body p{color:var(--text-2);max-width:760px;}
.point-list{margin-top:22px;display:grid;gap:12px;}
.point-list li{
  position:relative;padding-left:22px;
  font-size:15px;color:var(--text);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(33,230,193,.5);
  transform:rotate(45deg);
}
.point-list li span{color:var(--text-3);font-size:14px;}

/* ============ 横向滚动场景卡 ============ */
.hscroll-wrap{position:relative;}
.hscroll-wrap::after{
  content:"";position:absolute;top:0;right:0;bottom:16px;width:64px;
  background:linear-gradient(90deg,rgba(11,20,36,0),rgba(11,20,36,.92));
  pointer-events:none;border-radius:0 16px 16px 0;
}
.hscroll{
  display:flex;gap:18px;overflow-x:auto;padding:4px 0 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.18) transparent;
}
.hscroll::-webkit-scrollbar{height:6px;}
.hscroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:999px;}
.hscroll::-webkit-scrollbar-track{background:transparent;}
.scene-card{
  flex:0 0 288px;scroll-snap-align:start;
  background:var(--ink-700);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.45);box-shadow:0 18px 38px rgba(0,0,0,.5);}
.scene-card .ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(33,230,193,.1);color:var(--brand);border:1px solid rgba(33,230,193,.28);
  font-size:17px;margin-bottom:16px;
}
.scene-card h3{font-size:18px;margin-bottom:10px;}
.scene-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.scroll-hint{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-top:2px;
}
.scroll-hint i{color:var(--brand);}

/* ============ 流程步骤 ============ */
.steps{display:grid;gap:18px;}
@media screen and (min-width:1024px){
  .steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
}
.step{
  position:relative;
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 22px;
  transition:transform .28s ease,border-color .28s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.42);}
.step .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;margin-bottom:14px;
  background:rgba(91,107,255,.14);border:1px solid rgba(91,107,255,.4);
  color:#A5AEFF;font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-2);}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.accordion{border:0;background:transparent;border-radius:0;}
.accordion-item{
  background:var(--ink-700);
  border:1px solid var(--line)!important;
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.accordion-item:hover{border-color:rgba(255,255,255,.18)!important;}
.accordion-item.is-active{
  border-color:rgba(33,230,193,.4)!important;
  box-shadow:0 12px 30px rgba(0,0,0,.4);
}
.accordion-title{
  position:relative;
  display:block;
  padding:18px 56px 18px 22px;
  font-size:17px;font-weight:600;color:var(--text);
  background:transparent;border:0;
  transition:color .2s ease;
}
.accordion-title:hover{color:var(--brand);text-decoration:none;}
.accordion-title::after{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .25s ease;
}
.accordion-item.is-active .accordion-title::after{opacity:1;}
.accordion-title::before{
  content:"";position:absolute;right:24px;top:50%;
  width:9px;height:9px;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .25s ease,border-color .25s ease;
  font-family:inherit;
}
.accordion-item.is-active .accordion-title::before{
  transform:translateY(-30%) rotate(-135deg);
  border-color:var(--brand);
}
.accordion-content{
  display:none;
  padding:0 22px 20px 22px!important;
  color:var(--text-2);font-size:15.5px;line-height:1.85;
  background:transparent;border:0!important;
}
.accordion-item.is-active .accordion-content{display:block;}
.accordion-content p{margin:0;}

/* ============ 入口卡（1 大 3 小） ============ */
.entry-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media screen and (min-width:1024px){
  .entry-grid{grid-template-columns:1.35fr 1fr 1fr;grid-template-rows:auto auto;gap:20px;}
  .entry-card.is-large{grid-row:span 2;}
}
.entry-card{
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:10px;
  background:var(--ink-700);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;
  text-decoration:none;color:var(--text);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease,background .28s ease;
}
.entry-card::after{
  content:"";position:absolute;top:-60px;right:-60px;width:180px;height:180px;
  background:linear-gradient(135deg,rgba(33,230,193,.16),rgba(91,107,255,0));
  transform:translate(20px,20px) rotate(18deg);opacity:0;
  transition:opacity .3s ease,transform .35s ease;
  pointer-events:none;
}
.entry-card:hover{
  transform:translateY(-4px);
  border-color:rgba(33,230,193,.45);
  box-shadow:0 20px 40px rgba(0,0,0,.5);
  text-decoration:none;color:var(--text);
  background:var(--ink-700);
}
.entry-card:hover::after{opacity:1;transform:translate(0,0) rotate(18deg);}
.entry-card .ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(91,107,255,.14);border:1px solid rgba(91,107,255,.35);
  color:#A5AEFF;font-size:18px;
}
.entry-card.is-large .ico{background:rgba(33,230,193,.12);border-color:rgba(33,230,193,.35);color:var(--brand);}
.entry-card h3{font-size:19px;line-height:1.45;}
.entry-card.is-large h3{font-size:22px;}
.entry-card p{font-size:14.5px;color:var(--text-2);margin:0;}
.entry-card .go{
  margin-top:auto;padding-top:10px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.entry-card .go i{transition:transform .25s ease;}
.entry-card:hover .go i{transform:translateX(4px);}
.entry-card .corner-tag{position:absolute;top:18px;right:18px;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-glass);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(16,28,51,.98) 0%,rgba(11,20,36,.98) 55%,rgba(33,230,193,.12) 100%);
  box-shadow:var(--shadow-card);
  padding:34px 26px;
}
@media screen and (min-width:1024px){
  .cta-band{padding:46px 48px;}
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.cta-band p{color:var(--text-2);max-width:640px;margin-bottom:24px;}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-band::before{
  content:"";position:absolute;right:-40px;bottom:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(33,230,193,.22),rgba(33,230,193,0) 70%);
  pointer-events:none;
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:48px;
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding:56px 0 26px;
}
@media screen and (min-width:1024px){
  .site-footer{margin-top:88px;padding:72px 0 30px;}
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media screen and (min-width:640px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
}
.footer-brand p{color:var(--text-2);font-size:14.5px;margin:16px 0 14px;max-width:380px;}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col a{
  display:block;color:var(--text-2);font-size:14.5px;padding:6px 0;
  text-decoration:none;transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--brand);text-decoration:none;transform:translateX(3px);}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.7;margin:10px 0 0;}
.footer-sub-form{display:flex;gap:10px;margin-top:6px;}
.input{
  flex:1 1 auto;min-width:0;height:46px;padding:0 14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);
  border-radius:var(--r-input);
  color:var(--text);font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.input::placeholder{color:var(--text-3);}
.input:focus{
  outline:none;background:rgba(255,255,255,.06);
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(33,230,193,.16);
}
.input.is-error{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,90,90,.14);}
.input.is-ok{border-color:var(--ok);box-shadow:0 0 0 3px rgba(46,212,122,.14);}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom span{line-height:1.8;}

@media screen and (max-width:639px){
  .footer-sub-form{flex-direction:column;}
  .footer-sub-form .btn{width:100%;}
  .cta-band .actions .btn{width:100%;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --ink-900:#070C18;
  --ink-800:#0B1424;
  --ink-700:#101C33;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#21E6C1;
  --brand-2:#5B6BFF;
  --accent:#FF7A45;
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF5A5A;
  --text:#E8EEF9;
  --text-2:#9AA9C4;
  --text-3:#6B7A99;
  --radius-card:16px;
  --radius-glass:20px;
  --radius-input:12px;
  --shadow-card:0 16px 36px rgba(0,0,0,.45);
  --shadow-hover:0 22px 44px rgba(0,0,0,.52),0 0 26px rgba(33,230,193,.14);
  --gap-section:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease;}
a:hover{color:var(--brand);text-decoration:underline;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;}
h1{font-size:clamp(28px,4.4vw,44px);}
h2{font-size:clamp(22px,2.6vw,30px);}
h3{font-size:20px;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(33,230,193,.28);color:#fff;}

.grid-container{max-width:1200px;padding-left:20px;padding-right:20px;}
.section{padding:var(--gap-section) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--brand);
  border:1px solid rgba(33,230,193,.35);
  border-radius:999px;padding:4px 12px;margin-bottom:16px;
  background:rgba(33,230,193,.08);
}
.section-head p{color:var(--text-2);font-size:16px;margin-top:12px;margin-bottom:0;max-width:640px;}
.muted{color:var(--text-2);}
.tiny{font-size:13px;color:var(--text-3);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{
  background:var(--brand);color:#04201B;
  box-shadow:0 0 24px rgba(33,230,193,.35);
}
.btn-primary:hover{background:#3FF0D0;color:#04201B;transform:translateY(-2px);box-shadow:0 0 34px rgba(33,230,193,.5);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--text);border-color:var(--line-strong);
}
.btn-ghost:hover{color:var(--brand);border-color:rgba(33,230,193,.6);background:rgba(33,230,193,.06);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand);
  font-size:15px;font-weight:600;text-decoration:none;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover{text-decoration:none;color:#3FF0D0;}
.btn-text:hover i{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:5px 10px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--text-2);
  background:rgba(255,255,255,.04);
}
.badge-live{color:#04201B;background:var(--accent);border-color:transparent;box-shadow:0 0 18px rgba(255,122,69,.35);}
.badge-brand{color:var(--brand);background:rgba(33,230,193,.1);border-color:rgba(33,230,193,.35);}
.badge-soft{color:var(--brand-2);background:rgba(91,107,255,.12);border-color:rgba(91,107,255,.35);}
.badge-ok{color:var(--ok);background:rgba(46,212,122,.1);border-color:rgba(46,212,122,.3);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,12,24,.6);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  background:rgba(7,12,24,.92);
  border-bottom-color:var(--line);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--text);text-decoration:none;white-space:nowrap;
}
.logo:hover{text-decoration:none;color:var(--text);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(33,230,193,.9),rgba(91,107,255,.85));
  color:#04121A;font-size:15px;flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 12px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
  text-decoration:none;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05);text-decoration:none;}
.nav-links a:hover::after,
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text);}
.nav-links a i{font-size:13px;color:var(--brand);opacity:.85;}
.nav-badge{
  font-size:11px;font-weight:600;line-height:1;
  padding:3px 7px;border-radius:999px;
  color:#04201B;background:var(--brand);
}
.nav-badge-alt{color:#fff;background:rgba(91,107,255,.9);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
  font-size:16px;cursor:pointer;align-items:center;justify-content:center;
}

/* ---------- 页头 ---------- */
.page-hero{position:relative;overflow:hidden;padding:36px 0 72px;}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.32;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,24,.72) 0%,rgba(7,12,24,.9) 55%,var(--ink-900) 96%);
}
.page-hero .grid-container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  list-style:none;padding:0;margin:14px 0 30px;font-size:14px;color:var(--text-3);
}
.breadcrumb li{display:inline-flex;align-items:center;}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--text-3);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb [aria-current="page"]{color:var(--text);}
.page-hero h1{margin:16px 0 16px;}
.page-hero .lead{font-size:17px;color:var(--text-2);max-width:620px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

/* ---------- 玻璃卡（全站限用） ---------- */
.glass-card{
  background:rgba(16,28,51,.55);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-glass);
  padding:24px;
  box-shadow:var(--shadow-card);
}
.speed-card .card-title{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--text-2);margin-bottom:18px;
}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;text-align:center;}
.stat-num{font-size:26px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-label{font-size:12px;color:var(--text-3);}
.speed-foot{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-3);
}
.dot-live{
  display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 10px rgba(46,212,122,.8);margin-right:6px;
}

/* ---------- 步骤条 ---------- */
.flow{list-style:none;margin:0;padding:0;position:relative;}
.flow::before{
  content:"";position:absolute;left:23px;top:16px;bottom:40px;width:1px;
  background:linear-gradient(180deg,rgba(33,230,193,.55),rgba(91,107,255,.3),rgba(255,255,255,0));
}
.flow-item{position:relative;padding-left:72px;margin-bottom:36px;}
.flow-item:last-child{margin-bottom:0;}
.flow-num{
  position:absolute;left:0;top:4px;width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink-700);border:1px solid rgba(33,230,193,.45);
  color:var(--brand);font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
  box-shadow:0 0 20px rgba(33,230,193,.14);
}
.flow-body{
  display:grid;grid-template-columns:1.55fr 1fr;gap:26px;align-items:start;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.flow-body:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.45);box-shadow:var(--shadow-hover);}
.flow-text h3{margin-bottom:12px;}
.flow-text p{color:var(--text-2);font-size:16px;margin-bottom:14px;}
.flow-thumb{margin:0;}
.flow-thumb img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;
  border:1px solid var(--line);
}
.flow-thumb figcaption{font-size:13px;color:var(--text-3);margin-top:10px;}
.tick-list{list-style:none;padding:0;margin:0;}
.tick-list li{
  position:relative;padding-left:22px;margin-bottom:8px;
  font-size:15px;color:var(--text-2);
}
.tick-list li:last-child{margin-bottom:0;}
.tick-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;font-size:11px;color:var(--brand);
}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}

/* ---------- 对照小结 ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--ink-800);box-shadow:var(--shadow-card);
  -webkit-overflow-scrolling:touch;
}
table.compare{width:100%;min-width:780px;border-collapse:collapse;font-size:15px;}
table.compare th{
  text-align:left;padding:16px 18px;font-size:13px;font-weight:600;color:var(--text-2);
  background:rgba(255,255,255,.035);border-bottom:1px solid var(--line);white-space:nowrap;
}
table.compare td{
  padding:16px 18px;border-bottom:1px solid var(--line);color:var(--text-2);vertical-align:top;
}
table.compare tbody tr:last-child td{border-bottom:none;}
table.compare tbody tr:hover{background:rgba(33,230,193,.04);}
table.compare td:first-child{color:var(--text);font-weight:600;}
.table-hint{font-size:12px;color:var(--text-3);margin-top:10px;}
.summary-card{
  position:relative;margin-top:28px;padding:24px 26px 24px 30px;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}
.summary-card::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--brand);
}
.summary-card h3{margin-bottom:10px;}
.summary-card p{color:var(--text-2);font-size:16px;}

/* ---------- FAQ ---------- */
.accordion{background:transparent;border:none;margin:0;}
.accordion-item{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion-item:hover{border-color:rgba(33,230,193,.35);}
.accordion-item.is-active{border-color:rgba(33,230,193,.5);box-shadow:0 0 24px rgba(33,230,193,.1);}
.accordion-title{
  position:relative;display:block;
  padding:18px 54px 18px 22px;
  font-size:17px;font-weight:600;color:var(--text);
  background:transparent;border:none;
}
.accordion-title::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;
  transition:background-color .22s ease;
}
.accordion-item.is-active .accordion-title::before{background:var(--brand);}
.accordion-title::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--text-3);transition:transform .22s ease,color .22s ease;
}
.accordion-title:hover{color:var(--brand);}
.accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(180deg);color:var(--text-2);}
.accordion-content{
  display:none;padding:0 22px 20px;border:none;background:transparent;color:var(--text-2);font-size:16px;
}
.accordion-content.is-open{display:block;}

/* ---------- CTA 条 ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:40px;
  border:1px solid var(--line);border-radius:var(--radius-glass);
  background:linear-gradient(120deg,rgba(33,230,193,.12),rgba(91,107,255,.14) 70%,rgba(7,12,24,.2));
  box-shadow:var(--shadow-card);
}
.cta-band h2{margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:16px;max-width:560px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--gap-section);
  border-top:1px solid var(--line);
  background:var(--ink-800);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:34px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:320px;margin-bottom:16px;}
.footer-col h3{font-size:15px;margin-bottom:14px;color:var(--text);}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:var(--text-2);text-decoration:none;}
.footer-col a:hover{color:var(--brand);text-decoration:none;}
.footer-note{font-size:13px;color:var(--text-3);}
.footer-sub-form{display:flex;gap:8px;margin:12px 0 10px;}
.input{
  flex:1;min-width:0;height:44px;padding:0 14px;
  border-radius:var(--radius-input);border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text);font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.input::placeholder{color:var(--text-3);}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(33,230,193,.16);}
.input.is-error{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,90,90,.16);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--gap-section:64px;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:14px 20px 26px;
    background:rgba(7,12,24,.98);
    border-bottom:1px solid var(--line);
    max-height:calc(100vh - 72px);overflow-y:auto;
    opacity:0;transform:translateY(-12px);pointer-events:none;
    transition:opacity .24s ease,transform .24s ease;
  }
  .nav-links.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-links a{width:100%;padding:13px 12px;font-size:16px;}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{background:rgba(33,230,193,.08);color:var(--brand);}
  .flow-body{grid-template-columns:1fr;gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .page-hero{padding:24px 0 56px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .cta-band{padding:28px;}
  .flow-item{padding-left:0;padding-top:64px;}
  .flow::before{display:none;}
  .flow-num{top:0;left:0;}
  .flow-body{padding:22px;}
  .summary-card{padding:22px 22px 22px 26px;}
}
@media (max-width:639px){
  :root{--gap-section:48px;}
  body{font-size:16px;line-height:1.8;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .nav-inner{padding:0 16px;height:64px;gap:12px;}
  .nav-links{top:64px;max-height:calc(100vh - 64px);}
  .logo{font-size:16px;}
  .logo-mark{width:30px;height:30px;border-radius:9px;font-size:14px;}
  .nav-actions .btn-ghost span{display:none;}
  .nav-actions .btn-ghost{padding:0 12px;}
  .nav-actions .btn-primary{padding:0 14px;font-size:13px;}
  .page-hero h1{font-size:clamp(24px,7vw,32px);}
  .hero-cta .btn{width:100%;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-sub-form{flex-direction:column;}
  .footer-sub-form .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .flow-body{padding:20px;}
  .accordion-title{font-size:16px;padding:16px 48px 16px 18px;}
  .accordion-content{padding:0 18px 18px;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --ink-900:#070C18;
  --ink-800:#0B1424;
  --ink-700:#101C33;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#21E6C1;
  --brand-2:#5B6BFF;
  --accent:#FF7A45;
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF5A5A;
  --tx:#E8EEF9;
  --tx-2:#9AA9C4;
  --tx-3:#6B7A99;
  --r-card:16px;
  --r-glass:20px;
  --r-btn:999px;
  --r-input:12px;
  --shadow-card:0 16px 36px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(33,230,193,.35);
  --sp-desk:88px;
  --sp-tab:64px;
  --sp-mob:48px;
  --container:1200px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--tx);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.9;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);text-decoration:underline;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;line-height:1.35;color:var(--tx);}
h1{font-size:clamp(28px,4.4vw,44px);}
h2{font-size:clamp(22px,2.6vw,30px);}
h3{font-size:20px;}
ul,ol{margin:0 0 1.1em;padding-left:1.2em;}
li{margin-bottom:.5em;}
button{font-family:inherit;}
input,button,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ============ 容器 ============ */
.grid-container,
.container{
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media screen and (min-width:1024px){
  .grid-container,.container{padding-left:24px;padding-right:24px;}
}
main{position:relative;z-index:1;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,rgba(7,12,24,.88) 0%,rgba(7,12,24,.35) 100%);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(7,12,24,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.42);
}
.nav-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
  height:72px;
  display:flex;
  align-items:center;
  gap:18px;
}
@media screen and (min-width:1024px){
  .nav-inner{padding:0 24px;}
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:18px;
  color:var(--tx);
  letter-spacing:0;
  white-space:nowrap;
  flex:0 0 auto;
}
.logo:hover{color:var(--tx);text-decoration:none;}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
  color:#04140F;
  font-size:15px;
  box-shadow:0 0 18px rgba(33,230,193,.28);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:9px 11px;
  font-size:15px;
  font-weight:500;
  color:var(--tx-2);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a i{font-size:13px;color:var(--tx-3);transition:color .2s ease;}
.nav-links a::after{
  content:"";
  position:absolute;
  left:11px;right:11px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--tx);background:rgba(255,255,255,.04);text-decoration:none;}
.nav-links a:hover i{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--tx);background:rgba(33,230,193,.09);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active i{color:var(--brand);}
.nav-badge{
  font-size:11px;
  line-height:1;
  padding:4px 7px;
  border-radius:999px;
  background:rgba(33,230,193,.16);
  color:var(--brand);
  border:1px solid rgba(33,230,193,.35);
  font-weight:600;
}
.nav-badge-alt{
  background:rgba(91,107,255,.16);
  color:#9AA6FF;
  border-color:rgba(91,107,255,.4);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  color:var(--tx);
  font-size:16px;
  cursor:pointer;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--brand);
  color:#04211B;
  box-shadow:var(--glow);
}
.btn-primary:hover{background:#3BEFCE;color:#04211B;box-shadow:0 0 34px rgba(33,230,193,.5);transform:translateY(-2px);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--tx);
}
.btn-ghost:hover{border-color:rgba(33,230,193,.5);color:var(--brand);background:rgba(33,230,193,.07);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-lg{height:50px;padding:0 28px;font-size:16px;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  background:none;
  border:none;
  padding:0;
  cursor:pointer;
}
.btn-text:hover{text-decoration:underline;color:var(--brand);}
.btn-text i{font-size:12px;transition:transform .2s ease;}
.btn-text:hover i{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  line-height:1;
  padding:6px 11px;
  border-radius:999px;
  font-weight:600;
  border:1px solid var(--line-strong);
  color:var(--tx-2);
  background:rgba(255,255,255,.04);
}
.badge-live{background:rgba(33,230,193,.14);color:var(--brand);border-color:rgba(33,230,193,.4);}
.badge-soon{background:rgba(255,122,69,.14);color:#FFA37B;border-color:rgba(255,122,69,.4);}
.badge-soft{background:rgba(91,107,255,.14);color:#A2ACFF;border-color:rgba(91,107,255,.38);}
.badge i{font-size:10px;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  list-style:none;
  padding:0;
  margin:0 0 18px;
  font-size:13px;
  color:var(--tx-3);
}
.breadcrumb li{margin:0;display:flex;align-items:center;gap:8px;}
.breadcrumb li::after{content:"/";color:var(--tx-3);opacity:.6;}
.breadcrumb li:last-child::after{display:none;}
.breadcrumb a{color:var(--tx-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--tx);}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:56px 0 66px;
  background-image:linear-gradient(110deg,rgba(7,12,24,.96) 0%,rgba(7,12,24,.82) 48%,rgba(11,20,36,.72) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  top:-140px;right:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(33,230,193,.16),transparent 68%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:40px;
  align-items:center;
}
@media screen and (min-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);}
}
.page-hero h1{margin-bottom:18px;max-width:20em;}
.hero-lead{
  font-size:17px;
  color:var(--tx-2);
  max-width:36em;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:14px 26px;
  padding-top:20px;
  border-top:1px solid var(--line);
}
.hero-meta-item{display:flex;flex-direction:column;gap:2px;}
.hero-meta-item strong{
  font-size:22px;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.hero-meta-item span{font-size:13px;color:var(--tx-3);}

/* Hero 侧卡：实底 + 描边 */
.hero-panel{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-card);
}
.hero-panel h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.hero-panel h3 i{color:var(--brand);font-size:15px;}
.channel-list{list-style:none;padding:0;margin:0;}
.channel-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:13px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:var(--tx-2);
  margin:0;
}
.channel-list li:last-child{border-bottom:none;padding-bottom:0;}
.channel-dot{
  flex:0 0 auto;
  width:8px;height:8px;
  margin-top:9px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 10px rgba(33,230,193,.7);
}
.channel-dot.alt{background:var(--brand-2);box-shadow:0 0 10px rgba(91,107,255,.7);}
.channel-dot.warm{background:var(--accent);box-shadow:0 0 10px rgba(255,122,69,.7);}
.channel-dot.calm{background:var(--tx-3);box-shadow:none;}
.channel-list strong{color:var(--tx);font-weight:600;}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-mob) 0;}
@media screen and (min-width:640px){.section{padding:var(--sp-tab) 0;}}
@media screen and (min-width:1024px){.section{padding:var(--sp-desk) 0;}}
.section-alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:34px;
}
.section-head h2{margin-bottom:8px;}
.section-head p{color:var(--tx-2);font-size:16px;margin:0;max-width:44em;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--brand);}

/* ============ 筛选标签组 ============ */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:22px;
}
.filter-tab{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  color:var(--tx-2);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:all .2s ease;
}
.filter-tab i{font-size:12px;color:var(--tx-3);transition:color .2s ease;}
.filter-tab:hover{border-color:rgba(33,230,193,.45);color:var(--tx);}
.filter-tab.is-active{
  background:rgba(33,230,193,.14);
  border-color:rgba(33,230,193,.5);
  color:var(--brand);
}
.filter-tab.is-active i{color:var(--brand);}
.filter-count{
  font-size:13px;
  color:var(--tx-3);
  margin-left:auto;
  font-variant-numeric:tabular-nums;
}
.filter-count b{color:var(--tx-2);font-weight:600;}

/* ============ 对照表 ============ */
.table-wrap{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--ink-800);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.table-scroll{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
.table-scroll::-webkit-scrollbar{height:8px;}
.table-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:8px;}
.compare-table{
  width:100%;
  min-width:940px;
  border-collapse:collapse;
  margin:0;
}
.compare-table th{
  text-align:left;
  font-size:13px;
  font-weight:600;
  color:var(--tx-3);
  padding:16px 18px;
  background:rgba(255,255,255,.035);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.compare-table td{
  padding:17px 18px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--tx-2);
  vertical-align:top;
  line-height:1.7;
}
.compare-table td:first-child{
  color:var(--tx);
  font-weight:600;
  white-space:nowrap;
}
.compare-table tbody tr{transition:background .2s ease;}
.compare-table tbody tr:hover{background:rgba(33,230,193,.055);}
.compare-table tbody tr:last-child td{border-bottom:none;}
.td-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  padding:4px 9px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--tx-2);
  background:rgba(255,255,255,.04);
  white-space:nowrap;
}
.td-tag.hot{color:var(--brand);border-color:rgba(33,230,193,.4);background:rgba(33,230,193,.12);}
.td-tag.warm{color:#FFA37B;border-color:rgba(255,122,69,.4);background:rgba(255,122,69,.12);}
.td-tag.soft{color:#A2ACFF;border-color:rgba(91,107,255,.4);background:rgba(91,107,255,.12);}
.table-hint{
  display:flex;
  align-items:center;
  gap:8px;
  padding:12px 18px;
  font-size:12px;
  color:var(--tx-3);
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.02);
}
.table-hint i{color:var(--brand);}

/* ============ 卡片 ============ */
.card{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  height:100%;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(33,230,193,.45);
  box-shadow:0 20px 44px rgba(0,0,0,.5),0 0 26px rgba(33,230,193,.16);
}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{color:var(--tx-2);font-size:15px;margin-bottom:16px;}
.card-icon{
  width:44px;height:44px;
  border-radius:13px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(33,230,193,.12);
  border:1px solid rgba(33,230,193,.32);
  color:var(--brand);
  font-size:17px;
  margin-bottom:16px;
}
.card-icon.alt{background:rgba(91,107,255,.12);border-color:rgba(91,107,255,.32);color:#A2ACFF;}
.card-icon.warm{background:rgba(255,122,69,.12);border-color:rgba(255,122,69,.32);color:#FFA37B;}
.card-media{
  border-radius:12px;
  overflow:hidden;
  margin-bottom:18px;
  border:1px solid var(--line);
}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.card-lead{font-size:16px;color:var(--tx-2);}
.card-list{list-style:none;padding:0;margin:0 0 18px;}
.card-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--tx-2);
  margin-bottom:9px;
}
.card-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--brand);
}

/* ============ 检查清单 ============ */
.check-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media screen and (min-width:640px){.check-grid{grid-template-columns:repeat(2,1fr);}}
@media screen and (min-width:1024px){.check-grid{grid-template-columns:repeat(3,1fr);}}
.check-item{
  display:flex;
  gap:16px;
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--ink-800);
  transition:border-color .2s ease,transform .2s ease;
}
.check-item:hover{border-color:rgba(33,230,193,.4);transform:translateY(-3px);}
.check-num{
  flex:0 0 auto;
  width:34px;height:34px;
  border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  background:rgba(33,230,193,.1);
  border:1px solid rgba(33,230,193,.3);
  font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:17px;margin-bottom:6px;}
.check-item p{font-size:14px;color:var(--tx-2);margin:0;line-height:1.75;}

/* ============ FAQ ============ */
.faq-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--ink-800);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:20px 22px;
  background:none;
  border:none;
  border-left:3px solid transparent;
  color:var(--tx);
  font-size:17px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.faq-q:hover{background:rgba(255,255,255,.03);}
.faq-q i{
  flex:0 0 auto;
  font-size:13px;
  color:var(--tx-2);
  transition:transform .28s ease,color .2s ease;
}
.faq-item.is-open .faq-q{
  border-left-color:var(--brand);
  color:var(--brand);
  background:rgba(33,230,193,.05);
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--tx-2);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a-inner{padding:0 22px 22px 25px;}
.faq-a p{
  font-size:15px;
  color:var(--tx-2);
  margin:0;
  line-height:1.85;
}

/* ============ 内链卡片 ============ */
.link-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
@media screen and (min-width:640px){.link-grid{grid-template-columns:repeat(2,1fr);}}
@media screen and (min-width:1024px){.link-grid{grid-template-columns:repeat(3,1fr);}}
.link-card{
  position:relative;
  display:block;
  padding:24px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(150deg,rgba(16,28,51,.9),rgba(11,20,36,.96));
  color:var(--tx);
  overflow:hidden;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.link-card::before{
  content:"";
  position:absolute;
  top:-60%;right:-30%;
  width:180px;height:180px;
  background:linear-gradient(135deg,rgba(33,230,193,.22),transparent 70%);
  transform:rotate(-24deg);
  opacity:0;
  transition:opacity .28s ease;
}
.link-card:hover{
  text-decoration:none;
  color:var(--tx);
  transform:translateY(-4px);
  border-color:rgba(33,230,193,.45);
  box-shadow:0 22px 44px rgba(0,0,0,.48);
}
.link-card:hover::before{opacity:1;}
.link-card i.lc-icon{font-size:19px;color:var(--brand);margin-bottom:14px;display:block;position:relative;}
.link-card h3{font-size:18px;margin-bottom:8px;position:relative;}
.link-card p{font-size:14px;color:var(--tx-2);margin:0 0 14px;position:relative;}
.link-card .lc-more{font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:7px;position:relative;}
.link-card:hover .lc-more i{transform:translateX(4px);}
.link-card .lc-more i{transition:transform .2s ease;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:36px 28px;
  background:linear-gradient(120deg,rgba(16,28,51,.96),rgba(11,20,36,.98)),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-80px;bottom:-120px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(91,107,255,.22),transparent 68%);
  pointer-events:none;
}
.cta-band h2{margin-bottom:12px;position:relative;}
.cta-band p{color:var(--tx-2);font-size:16px;max-width:44em;margin-bottom:24px;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-800);
  border-top:1px solid var(--line);
  padding:56px 0 24px;
  margin-top:0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
  padding-bottom:34px;
}
@media screen and (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media screen and (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;}}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--tx-2);max-width:30em;margin-bottom:14px;}
.footer-col h3{
  font-size:15px;
  color:var(--tx);
  margin-bottom:14px;
  font-weight:600;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:var(--tx-2);
  padding:5px 0;
}
.footer-col a:hover{color:var(--brand);text-decoration:none;}
.footer-note{font-size:13px;color:var(--tx-3);margin:0 0 12px;line-height:1.7;}
.footer-note.is-ok{color:var(--brand);}
.footer-note.is-error{color:var(--accent);}
.footer-sub-form{display:flex;gap:10px;margin-bottom:12px;}
.input{
  flex:1 1 auto;
  min-width:0;
  height:46px;
  padding:0 14px;
  border-radius:var(--r-input);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  color:var(--tx);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.input::placeholder{color:var(--tx-3);}
.input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(33,230,193,.16);
  background:rgba(255,255,255,.06);
}
.input.is-error{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,122,69,.14);}
.footer-sub-form .btn{padding:0 18px;height:46px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--tx-3);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .nav-links{
    position:fixed;
    top:72px;
    left:0;right:0;
    margin:0;
    padding:16px 20px 24px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:rgba(11,20,36,.99);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px rgba(0,0,0,.5);
    transform:translateY(-10px);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  .nav-links.is-open{
    transform:translateY(0);
    opacity:1;
    visibility:visible;
    pointer-events:auto;
  }
  .nav-links a{
    padding:13px 12px;
    font-size:16px;
    border-radius:12px;
    min-height:48px;
  }
  .nav-links a::after{display:none;}
  .nav-links a.is-active{background:rgba(33,230,193,.1);}
  .nav-toggle{display:inline-flex;}
}
@media screen and (max-width:639px){
  body{font-size:16px;}
  .nav-actions .btn-ghost span{display:none;}
  .nav-actions .btn-ghost{padding:0 12px;}
  .page-hero{padding:40px 0 48px;}
  .hero-actions .btn{flex:1 1 auto;}
  .card{padding:20px;}
  .cta-band{padding:28px 20px;}
  .cta-actions .btn{flex:1 1 auto;}
  .filter-count{margin-left:0;width:100%;}
  .footer-sub-form{flex-direction:column;}
  .footer-sub-form .btn{width:100%;}
}
@media screen and (max-width:520px){
  .nav-actions .btn-primary{font-size:0;padding:0 13px;min-width:44px;}
  .nav-actions .btn-primary i{font-size:14px;}
  .nav-actions .btn-sm{height:44px;min-height:44px;}
  .logo span:last-child{font-size:16px;}
}

/* roulang page: category4 */
:root{
  --ink-900:#070C18;
  --ink-800:#0B1424;
  --ink-700:#101C33;
  --ink-600:#16233C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#21E6C1;
  --brand-2:#5B6BFF;
  --accent:#FF7A45;
  --ok:#2ED47A;
  --warn:#FFB020;
  --err:#FF5A5A;
  --text:#E8EEF9;
  --text-2:#9AA9C4;
  --text-3:#6B7A99;
  --r-card:16px;
  --r-glass:20px;
  --r-input:12px;
  --r-pill:999px;
  --shadow-card:0 16px 36px rgba(0,0,0,.45);
  --shadow-glow:0 0 24px rgba(33,230,193,.35);
  --gap-section:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);text-decoration:underline;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
h1{font-size:clamp(28px,4.4vw,44px);line-height:1.28;font-weight:700;color:var(--text);}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:var(--text);}
h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--text);}
p{color:var(--text-2);}
::selection{background:rgba(33,230,193,.28);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

/* 容器 */
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%;}
.section{padding:var(--gap-section) 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:17px;max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--brand);
  border:1px solid rgba(33,230,193,.35);
  background:rgba(33,230,193,.08);
  padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:16px;letter-spacing:.02em;
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(7,12,24,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1200px;margin:0 auto;
  padding:14px 20px;
  display:flex;align-items:center;gap:22px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--text);
  white-space:nowrap;text-decoration:none;
}
.logo:hover{color:var(--text);text-decoration:none;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(33,230,193,.9),rgba(91,107,255,.85));
  color:#04121A;font-size:14px;
  box-shadow:0 0 18px rgba(33,230,193,.28);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap;}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:500;color:var(--text-2);
  padding:10px 12px;border-radius:10px;
  text-decoration:none;transition:color .2s ease,background .2s ease;
}
.nav-links a i{font-size:12px;color:var(--text-3);transition:color .2s ease;}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;
  height:2px;background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.04);text-decoration:none;}
.nav-links a:hover i{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text);font-weight:600;}
.nav-links a.is-active i{color:var(--brand);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-badge{
  font-size:12px;line-height:1;padding:4px 7px;border-radius:var(--r-pill);
  background:rgba(255,122,69,.16);color:var(--accent);font-weight:600;
}
.nav-badge-alt{background:rgba(91,107,255,.18);color:#9AA6FF;}
.nav-actions{display:flex;align-items:center;gap:10px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;text-decoration:none;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--brand);color:#04121A;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{background:#3DF0CE;color:#04121A;box-shadow:0 0 34px rgba(33,230,193,.5);transform:translateY(-2px);}
.btn-ghost{
  background:transparent;color:var(--text);
  border-color:var(--line-strong);
}
.btn-ghost:hover{border-color:rgba(33,230,193,.55);color:var(--brand);transform:translateY(-2px);}
.btn-soft{
  background:rgba(255,255,255,.05);color:var(--text);border-color:var(--line);
}
.btn-soft:hover{background:rgba(255,255,255,.09);color:var(--text);}
.btn-sm{height:38px;padding:0 15px;font-size:13px;}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
  text-decoration:none;background:none;border:0;padding:0;cursor:pointer;
}
.btn-text:hover{text-decoration:underline;color:var(--brand);}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover i{transform:translateX(4px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);font-size:16px;cursor:pointer;
}

/* 面包屑 */
.breadcrumb{padding-top:22px;}
.breadcrumb ol{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--text-3);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb [aria-current="page"]{color:var(--text);font-weight:600;}

/* Hero */
.cat-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(7,12,24,.94) 12%,rgba(7,12,24,.72) 48%,rgba(11,20,36,.86) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  filter:saturate(1.05);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.5),transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.5),transparent 78%);
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;z-index:2;
  padding:72px 0 76px;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:52px;align-items:center;
}
.hero-copy h1{margin-bottom:18px;}
.hero-copy > p{font-size:17px;line-height:1.85;max-width:620px;margin-bottom:26px;color:var(--text-2);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  padding:6px 12px;border-radius:var(--r-pill);
}
.tag i{color:var(--brand);font-size:11px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 玻璃：① Hero 速览卡 */
.glass-card{
  border-radius:var(--r-glass);
  background:linear-gradient(160deg,rgba(22,35,60,.72),rgba(11,20,36,.55));
  border:1px solid var(--line-strong);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 22px 50px rgba(0,0,0,.5);
  padding:26px;
}
.glass-card h3{margin-bottom:8px;}
.glass-card .glass-sub{font-size:14px;color:var(--text-3);margin-bottom:18px;}
.glass-list{display:flex;flex-direction:column;gap:14px;margin-bottom:22px;}
.glass-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.7;}
.glass-list i{color:var(--brand);font-size:13px;margin-top:6px;}
.glass-actions{display:flex;gap:10px;flex-wrap:wrap;}

/* 数据带 */
.stats-band{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,var(--ink-900),var(--ink-800));
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--line);
  border-left:1px solid var(--line);border-right:1px solid var(--line);
}
.stat-cell{background:var(--ink-900);padding:28px 24px;}
.stat-num{
  font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.2;
}
.stat-label{font-size:14px;color:var(--text-2);margin-top:6px;}
.stat-note{font-size:12px;color:var(--text-3);margin-top:2px;}

/* FAQ 折叠 */
.faq-wrap{max-width:900px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line);
  background:var(--ink-800);
  border-radius:var(--r-card);
  box-shadow:0 10px 26px rgba(0,0,0,.32);
  overflow:hidden;
  transition:border-color .22s ease,transform .22s ease;
}
.faq-item:hover{border-color:rgba(33,230,193,.32);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 22px;background:none;border:0;cursor:pointer;
  text-align:left;color:var(--text);font-size:17px;font-weight:600;line-height:1.6;
}
.faq-q .faq-idx{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--brand);
  background:rgba(33,230,193,.1);border:1px solid rgba(33,230,193,.28);
  font-variant-numeric:tabular-nums;
}
.faq-q .faq-chev{margin-left:auto;color:var(--text-3);font-size:13px;transition:transform .25s ease,color .25s ease;}
.faq-item.is-open{border-color:rgba(33,230,193,.45);}
.faq-item.is-open .faq-chev{transform:rotate(180deg);color:var(--brand);}
.faq-item.is-open .faq-q .faq-idx{background:var(--brand);color:#04121A;border-color:var(--brand);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a-inner{
  padding:0 22px 22px 64px;
  border-left:3px solid var(--brand);
  margin-left:22px;padding-left:20px;
}
.faq-a-inner p{font-size:16px;line-height:1.85;color:var(--text-2);}

/* 标签筛选 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  cursor:pointer;transition:all .2s ease;
}
.chip:hover{color:var(--text);border-color:rgba(33,230,193,.4);}
.chip.is-on{background:rgba(33,230,193,.14);border-color:rgba(33,230,193,.55);color:var(--brand);}

/* 卡片矩阵（2 列错位） */
.matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.matrix .col-b{transform:translateY(34px);}
.replay-card{
  display:flex;flex-direction:column;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.replay-card:hover{
  transform:translateY(-4px);
  border-color:rgba(33,230,193,.45);
  box-shadow:0 22px 46px rgba(0,0,0,.55),0 0 22px rgba(33,230,193,.14);
}
.replay-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:0;}
.replay-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.replay-card:hover .replay-thumb img{transform:scale(1.04);}
.replay-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,24,.1) 40%,rgba(7,12,24,.82));
}
.duration-badge{
  position:absolute;right:12px;bottom:12px;z-index:3;
  font-size:12px;font-weight:600;color:var(--text);
  background:rgba(7,12,24,.78);border:1px solid var(--line-strong);
  padding:4px 9px;border-radius:8px;
  font-variant-numeric:tabular-nums;
}
.play-dot{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;
  width:50px;height:50px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(33,230,193,.92);color:#04121A;font-size:15px;
  box-shadow:0 0 26px rgba(33,230,193,.45);
  transition:transform .25s ease;
}
.replay-card:hover .play-dot{transform:translate(-50%,-50%) scale(1.08);}
.replay-body{padding:22px;}
.replay-body h3{font-size:18px;line-height:1.5;margin-bottom:10px;}
.replay-body p{font-size:14px;line-height:1.75;color:var(--text-2);margin-bottom:16px;}
.card-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:12px;color:var(--text-3);
  border-top:1px solid var(--line);padding-top:14px;
}
.card-meta .cat-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(91,107,255,.16);color:#A9B2FF;font-weight:600;
}
.card-meta time{font-variant-numeric:tabular-nums;}
.card-meta .meta-link{margin-left:auto;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card-meta .meta-link i{transition:transform .2s ease;}
.card-meta .meta-link:hover i{transform:translateX(3px);}

/* 内链入口卡（1 大 3 小） */
.entry-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:24px;}
.entry-stack{display:flex;flex-direction:column;gap:16px;}
.entry-card{
  position:relative;display:flex;gap:16px;align-items:flex-start;
  padding:24px;border-radius:var(--r-card);
  background:var(--ink-800);border:1px solid var(--line);
  box-shadow:0 12px 30px rgba(0,0,0,.35);
  overflow:hidden;transition:transform .25s ease,border-color .25s ease,background .25s ease;
  text-decoration:none;
}
.entry-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,transparent 40%,rgba(33,230,193,.16) 62%,transparent 82%);
  transform:translateX(-110%);transition:transform .55s ease;
  pointer-events:none;
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.45);text-decoration:none;}
.entry-card:hover::before{transform:translateX(110%);}
.entry-icon{
  flex:0 0 auto;width:46px;height:46px;border-radius:13px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(33,230,193,.12);border:1px solid rgba(33,230,193,.3);
  color:var(--brand);font-size:17px;
}
.entry-card h3{font-size:18px;margin-bottom:8px;color:var(--text);}
.entry-card p{font-size:14px;line-height:1.7;color:var(--text-2);margin-bottom:10px;}
.entry-arrow{font-size:13px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:7px;}
.entry-card-lg{
  flex-direction:column;
  background:linear-gradient(160deg,var(--ink-700),var(--ink-800));
}
.entry-card-lg h3{font-size:22px;}
.entry-card-lg p{font-size:15px;}
.entry-card-lg .entry-icon{width:54px;height:54px;font-size:20px;}

/* CTA 条（玻璃：②） */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-glass);
  border:1px solid var(--line-strong);
  background:linear-gradient(140deg,rgba(33,230,193,.16),rgba(91,107,255,.14) 55%,rgba(11,20,36,.9));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:42px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:28px;align-items:center;
  box-shadow:0 22px 52px rgba(0,0,0,.5);
}
.cta-band h2{margin-bottom:10px;}
.cta-band p{font-size:16px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--ink-800);
  padding:64px 0 28px;
  margin-top:var(--gap-section);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-2);margin:16px 0 18px;max-width:320px;}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col a{
  display:block;font-size:14px;color:var(--text-2);
  padding:6px 0;text-decoration:none;transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--brand);padding-left:4px;text-decoration:none;}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.7;}
.footer-sub-form{display:flex;gap:10px;margin:14px 0 10px;flex-wrap:wrap;}
.input{
  height:46px;flex:1 1 160px;min-width:0;
  padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  color:var(--text);font-size:14px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.input::placeholder{color:var(--text-3);}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(33,230,193,.18);background:rgba(33,230,193,.06);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom span{font-variant-numeric:tabular-nums;}

/* 移动端抽屉 */
.mobile-panel{
  position:fixed;left:0;right:0;top:0;z-index:70;
  background:rgba(7,12,24,.97);
  border-bottom:1px solid var(--line);
  padding:76px 20px 26px;
  transform:translateY(-102%);
  transition:transform .3s ease;
}
.mobile-panel.is-open{transform:translateY(0);}
.mobile-panel a{
  display:flex;align-items:center;gap:10px;
  padding:14px 4px;font-size:16px;font-weight:500;color:var(--text-2);
  border-bottom:1px solid var(--line);text-decoration:none;
}
.mobile-panel a:hover{color:var(--brand);}
.mobile-panel a.is-active{color:var(--brand);font-weight:600;}
.mobile-panel .btn{margin-top:18px;width:100%;}

@media screen and (max-width:1023px){
  :root{--gap-section:64px;}
  .nav-inner{padding:12px 20px;gap:14px;}
  .nav-links{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .cat-hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0 60px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .matrix{grid-template-columns:1fr;gap:20px;}
  .matrix .col-b{transform:none;}
  .entry-layout{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:34px;gap:20px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
}
@media screen and (max-width:639px){
  :root{--gap-section:48px;}
  body{font-size:16px;}
  .section{padding:var(--gap-section) 0;}
  .glass-card{padding:20px;}
  .cat-hero-inner{padding:44px 0 48px;}
  .hero-actions .btn{width:100%;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-cell{padding:22px 20px;}
  .faq-q{font-size:16px;padding:16px 16px;gap:10px;}
  .faq-a-inner{margin-left:16px;padding:0 16px 18px 14px;}
  .replay-body{padding:18px;}
  .entry-card{padding:20px;}
  .cta-band{padding:26px 20px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .filter-bar{gap:8px;}
  .chip{height:36px;padding:0 13px;}
}