/* roulang page: index */
:root{
  --bg-page:#060A14;
  --bg-alt:#0A1224;
  --bg-soft:#0D1830;
  --bg-deep:#040810;
  --primary:#1A2E52;
  --cyan:#12D8F2;
  --blue:#3D7EFF;
  --gold:#FFC65C;
  --green:#2EE5A6;
  --danger:#FF6B6B;
  --text-title:#F4F8FF;
  --text-body:#B9C4D9;
  --text-sub:#7E8AA3;
  --text-mute:#4D5870;
  --glass-bg:rgba(16,28,52,.58);
  --glass-border:rgba(255,255,255,.08);
  --radius-xl:20px;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(0,0,0,.18);
  --shadow-hover:0 20px 44px rgba(0,0,0,.35);
  --shadow-glow:0 0 18px rgba(18,216,242,.35),0 4px 24px rgba(18,216,242,.18);
  --header-h:72px;
  --font-main:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC",Inter,system-ui,-apple-system,sans-serif;
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--bg-page);
  color:var(--text-body);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1000px 420px at 85% -10%,rgba(18,216,242,.06),transparent 60%),
    radial-gradient(720px 420px at -10% 20%,rgba(61,126,255,.06),transparent 60%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:hover{color:inherit}
button{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:1240px;padding-left:24px;padding-right:24px}
h1,h2,h3,h4,h5,h6{color:var(--text-title);line-height:1.25;font-weight:700}
.text-muted{color:var(--text-sub)!important}
.text-body-soft{color:var(--text-body)!important}
.text-sub{color:var(--text-sub)!important}
.text-cyan{color:var(--cyan)!important}
.text-gold{color:var(--gold)!important}
.bg-alt{background:var(--bg-alt)}
section{position:relative}
.section-pad{padding:92px 0}
@supports not (backdrop-filter: blur(1px)){
  .glass-card,.site-header,.navbar-collapse,.nav-card,.quote-panel,.btn-glass,.stat-panel{background:rgba(9,16,32,.92)!important}
}
.glass-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  position:relative;
  transition:var(--transition);
}
.glass-card::before{
  content:"";
  position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(135deg,rgba(255,255,255,.045),transparent 45%);
}
.section-head{margin-bottom:44px;max-width:820px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;
  color:var(--cyan);background:rgba(18,216,242,.08);border:1px solid rgba(18,216,242,.16);
  padding:5px 14px;border-radius:var(--radius-pill);letter-spacing:.03em;margin-bottom:14px;
}
.section-title{font-size:clamp(1.4rem,2.4vw,2.25rem);letter-spacing:.01em;margin-bottom:12px}
.section-desc{font-size:16px;color:var(--text-sub);max-width:760px}
.btn{font-weight:600;border-radius:var(--radius-md);transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px;box-shadow:none}
.btn-cyan{
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#071019;border:0;min-height:46px;padding:0 28px;font-size:15px;
  box-shadow:var(--shadow-glow);letter-spacing:.02em;
}
.btn-cyan:hover{transform:translateY(-2px);color:#061018;box-shadow:0 0 24px rgba(18,216,242,.45),0 8px 28px rgba(18,216,242,.22)}
.btn-cyan:active{transform:translateY(0);box-shadow:0 0 10px rgba(18,216,242,.2)}
.btn-glass{
  color:var(--text-title);background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.14);
  min-height:46px;padding:0 26px;font-size:15px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.btn-glass:hover{color:var(--cyan);border-color:rgba(18,216,242,.6);background:rgba(18,216,242,.06)}
.btn-ghost{color:var(--text-body);background:transparent;border-color:transparent;padding:8px 6px}
.btn-ghost:hover{color:var(--cyan)}
.btn-ghost .bi{transition:transform .25s ease}
.btn-ghost:hover .bi{transform:translateX(4px)}
.btn-lg{min-height:54px;padding:0 34px;font-size:16px}
.btn-block{width:100%}
.pill-tag{
  display:inline-flex;align-items:center;gap:5px;border-radius:var(--radius-pill);
  padding:3px 12px;font-size:12px;letter-spacing:.04em;border:1px solid var(--glass-border);
  background:rgba(255,255,255,.035);color:var(--text-sub);white-space:nowrap;
}
.pill-tag.cyan{color:var(--cyan);border-color:rgba(18,216,242,.22);background:rgba(18,216,242,.07)}
.pill-tag.gold{color:var(--gold);border-color:rgba(255,198,92,.28);background:rgba(255,198,92,.07)}
.pill-tag.green{color:var(--green);border-color:rgba(46,229,166,.25);background:rgba(46,229,166,.06)}

/* ============ Header ============ */
.site-header{
  height:var(--header-h);
  background:rgba(6,10,20,.62);
  backdrop-filter:blur(18px) saturate(130%);
  -webkit-backdrop-filter:blur(18px) saturate(130%);
  border-bottom:1px solid rgba(255,255,255,.08);
  position:sticky;top:0;z-index:1040;
}
.site-header .navbar{padding:0;min-height:var(--header-h)}
.brand-block{display:flex;align-items:center;gap:10px;position:relative;z-index:1050}
.brand-icon{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(18,216,242,.1);border:1px solid rgba(18,216,242,.26);
  box-shadow:0 0 16px rgba(18,216,242,.16);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;min-width:0}
.brand-name{
  font-size:16px;font-weight:800;color:var(--text-title);white-space:nowrap;
  letter-spacing:.01em;
}
.brand-sub{
  font-size:11px;font-weight:400;color:var(--text-sub);white-space:nowrap;letter-spacing:.14em;
  margin-top:2px;
}
.navbar-nav{gap:2px}
.navbar-nav .nav-link{
  color:var(--text-sub);font-size:14px;font-weight:500;padding:10px 14px !important;
  border-radius:var(--radius-md);position:relative;white-space:nowrap;letter-spacing:.02em;
}
.navbar-nav .nav-link:hover{color:var(--text-title);background:rgba(255,255,255,.035)}
.navbar-nav .nav-link.active{
  color:var(--cyan);
}
.navbar-nav .nav-link.active::after{
  content:"";position:absolute;bottom:4px;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--cyan);
  box-shadow:0 0 8px rgba(18,216,242,.55);
}
.header-actions{display:flex;align-items:center;gap:10px;position:relative;z-index:1050}
.search-box{
  display:flex;align-items:center;background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.09);border-radius:var(--radius-pill);
  transition:var(--transition);overflow:hidden;
}
.search-box:focus-within{border-color:rgba(18,216,242,.5);box-shadow:0 0 0 3px rgba(18,216,242,.08)}
.search-box .search-icon{color:var(--text-sub);padding-left:14px;display:flex;align-items:center}
.search-box input{
  background:transparent;border:0;outline:none;color:var(--text-title);width:148px;
  padding:9px 4px 9px 9px;font-size:13px;
}
.search-box input::placeholder{color:var(--text-mute)}
.btn-header-login{
  color:var(--text-body);border-color:rgba(255,255,255,.15);background:rgba(255,255,255,.03);
  min-height:40px;padding:0 18px;border-radius:var(--radius-pill);font-size:14px;
}
.btn-header-login:hover{color:var(--cyan);border-color:rgba(18,216,242,.4);background:rgba(18,216,242,.05)}
.btn-header-enter{
  color:#07121f;background:linear-gradient(135deg,var(--cyan),var(--blue));border:0;
  min-height:40px;padding:0 22px;border-radius:var(--radius-pill);font-size:14px;font-weight:700;
  box-shadow:0 0 16px rgba(18,216,242,.22);
}
.btn-header-enter:hover{color:#07121f;transform:translateY(-1px);box-shadow:0 0 22px rgba(18,216,242,.35)}
.navbar-toggler{border:0;padding:6px 8px;color:var(--text-title);background:transparent;position:relative;z-index:1050}
.navbar-toggler:focus{box-shadow:none;outline:2px solid rgba(18,216,242,.5)}
.navbar-toggler i{font-size:28px}

/* ======== Hero ======== */
.hero-wrap{
  padding:48px 0 74px;
  background:
    radial-gradient(circle at 84% 34%,rgba(18,216,242,.1),transparent 32%),
    radial-gradient(circle at 7% 80%,rgba(255,198,92,.04),transparent 22%),
    linear-gradient(180deg,rgba(6,10,20,.4),rgba(6,10,20,.55) 60%,rgba(6,10,20,1) 100%);
  border-bottom:1px solid rgba(255,255,255,.05);
  min-height:calc(100vh - var(--header-h));
  display:flex;align-items:center;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:54px;align-items:center;width:100%}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--cyan);
  background:rgba(18,216,242,.08);border:1px solid rgba(18,216,242,.18);padding:7px 16px;border-radius:var(--radius-pill);margin-bottom:24px;letter-spacing:.03em;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(46,229,166,.16);animation:pulseDot 2.2s ease infinite}
@keyframes pulseDot{0%,100%{box-shadow:0 0 0 2px rgba(46,229,166,.12)}50%{box-shadow:0 0 0 5px rgba(46,229,166,.25)}}
.hero-title{
  font-size:clamp(1.8rem,3.8vw,3.4rem);
  font-weight:800;line-height:1.2;color:var(--text-title);
  margin-bottom:18px;letter-spacing:-.01em;
}
.hero-title .head-grad{
  display:block;
  background:linear-gradient(100deg,#e9f1ff 0%,var(--cyan) 70%,var(--blue) 120%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  font-size:16px;color:var(--text-sub);line-height:1.9;max-width:520px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px}
.hero-quicklink{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px;
  color:var(--text-sub);font-size:13px;
}
.quick-chip{
  display:inline-flex;align-items:center;gap:5px;color:var(--text-body);
  border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.025);
  padding:5px 13px;border-radius:var(--radius-pill);font-size:13px;
}
.quick-chip:hover{color:var(--cyan);border-color:rgba(18,216,242,.3);background:rgba(18,216,242,.04)}
.hero-visual{position:relative}
.hero-frame{
  position:relative;border-radius:26px;overflow:hidden;border:1px solid rgba(255,255,255,.1);
  background:linear-gradient(180deg,#10203A,#0A1526);
  box-shadow:0 28px 70px rgba(0,0,0,.42);aspect-ratio:16/13;
}
.hero-frame img{width:100%;height:100%;object-fit:cover;display:block}
.hero-frame .cover-mask{
  position:absolute;inset:0;background:
    linear-gradient(180deg,rgba(6,10,20,.1),rgba(6,10,20,.82) 100%),
    linear-gradient(0deg,rgba(6,10,20,.3),transparent 50%);
}
.hero-badge{
  position:absolute;top:16px;left:16px;background:rgba(6,10,20,.55);
  border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  padding:7px 14px;border-radius:var(--radius-pill);color:var(--text-title);font-size:13px;
}
.hero-badge .bi{color:var(--gold);margin-right:4px}
.hero-float-card{
  position:absolute;left:-26px;bottom:38px;
  width:210px;border-radius:16px;background:rgba(10,18,36,.78);
  border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:14px 16px;box-shadow:0 18px 40px rgba(0,0,0,.38);
}
.hero-float-card .fc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.hero-float-card .fc-title{font-size:13px;color:var(--text-title);font-weight:600}
.hero-float-card .fc-status{font-size:13px;color:var(--green);display:flex;align-items:center;gap:4px}
.hero-float-card .fc-line{height:4px;border-radius:4px;background:rgba(255,255,255,.08);overflow:hidden;margin:10px 0 8px}
.hero-float-card .fc-line i{display:block;height:100%;width:76%;border-radius:4px;background:linear-gradient(90deg,var(--cyan),var(--blue))}
.hero-float-card .fc-meta{display:flex;justify-content:space-between;color:var(--text-sub);font-size:11px}
.hero-float-card .fc-meta b{color:var(--cyan);font-weight:600}
.hero-enter-btn{
  position:absolute;right:22px;bottom:28px;width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;background:var(--cyan);color:#06121a;
  font-size:22px;border:0;cursor:pointer;
  box-shadow:0 0 26px rgba(18,216,242,.4);
  animation:heroFloat 2.6s ease-in-out infinite;
}
@keyframes heroFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}
.hero-enter-btn:hover{transform:translateY(-2px);background:#0fdcef}

/* Stats */
.stat-panel{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:-34px;margin-bottom:0;
  position:relative;z-index:6;border-radius:18px;
}
.stat-item{padding:20px 18px;border-right:1px solid rgba(255,255,255,.07)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:clamp(1.4rem,2vw,2rem);font-weight:800;color:var(--text-title);line-height:1.1}
.stat-num small{color:var(--cyan);font-size:.6em;margin-left:2px}
.stat-label{color:var(--text-sub);font-size:13px;margin-top:4px}

/* ================= Steps */
.step-band{position:relative}
.step-band .glow-line{
  position:absolute;top:38px;left:3%;right:3%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(18,216,242,.3),rgba(18,216,242,.5),rgba(18,216,242,.3),transparent);
  pointer-events:none;
}
.step-row{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.step-card{
  background:rgba(16,28,52,.62);border:1px solid var(--glass-border);border-radius:20px;
  padding:30px 26px 26px;position:relative;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);transition:var(--transition);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-card.mid{margin-top:14px;}
.step-card.hl{
  background:linear-gradient(160deg,rgba(9,18,36,.92),rgba(14,28,50,.86));
  border-color:rgba(18,216,242,.4);
}
.step-num{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:var(--cyan);
  background:rgba(18,216,242,.10);border:1px solid rgba(18,216,242,.25);
  margin-bottom:20px;
}
.step-card.hl .step-num{background:var(--cyan);color:#07121b;border-color:var(--cyan);box-shadow:0 0 18px rgba(18,216,242,.45)}
.step-card h3{font-size:1.1rem;margin-bottom:10px}
.step-card p{color:var(--text-sub);font-size:14px;line-height:1.75;margin-bottom:0}
.step-arrow{
  position:absolute;right:-28px;top:46px;color:rgba(18,216,242,.5);font-size:24px;z-index:3;pointer-events:none;
}
@media(max-width:992px){.step-arrow{display:none}}

/* channel index */
.channel-card{
  position:relative;border-radius:20px;overflow:hidden;min-height:260px;display:flex;flex-direction:column;justify-content:flex-end;
  border:1px solid rgba(255,255,255,.1);background:#0A1522;
}
.channel-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.75}
.channel-card .ch-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,20,.12),rgba(6,10,20,.88) 92%)}
.channel-card .ch-content{position:relative;padding:20px;z-index:2}
.channel-card h3{color:#fff;font-size:18px;display:flex;align-items:center;gap:8px}
.channel-card p{color:rgba(233,240,255,.78);font-size:14px;margin-bottom:14px;max-width:450px}
.channel-link{
  display:inline-flex;align-items:center;color:var(--text-title);font-weight:600;font-size:14px;
}
.channel-link .bi{transition:transform .24s ease;margin-left:3px;color:var(--cyan)}
.channel-link:hover .bi{transform:translateX(5px)}
.narrow-card{min-height:92px;border-radius:16px;padding:0;display:block;margin-bottom:14px;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.09)}
.narrow-card img{position:absolute;width:100%;height:100%;object-fit:cover;opacity:.7}
.narrow-card .nc-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,10,20,.92),rgba(6,10,20,.35))}
.narrow-card .nc-text{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;min-height:92px}
.narrow-card .nc-title{color:#fff;font-weight:600;font-size:15px;line-height:1.4}
.narrow-card .nc-arrow{color:var(--cyan);font-size:18px;margin-left:10px}
.narrow-card:hover .nc-arrow{transform:translateX(5px)}

/* reviews / proof */
.quote-panel{border-radius:24px;padding:0;overflow:hidden}
.quote-panel .quote-bg{display:flex;flex-wrap:wrap;min-height:270px}
.quote-panel .q-image{flex:0 0 36%;position:relative;min-height:230px}
.quote-panel .q-image img{width:100%;height:100%;object-fit:cover;position:absolute}
.quote-panel .q-image::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(13,24,48,.96));pointer-events:none}
.quote-panel .q-body{flex:1;padding:34px 40px;background:linear-gradient(150deg,rgba(18,28,52,.9),rgba(11,19,38,.95));min-width:320px;}
.quote-icon{color:rgba(18,216,242,.7);font-size:42px;line-height:1;margin-bottom:14px;display:block}
.quote-text{font-size:15px;line-height:1.95;color:var(--text-title);max-width:560px}
.quote-source{display:flex;align-items:center;gap:10px;margin-top:24px}
.quote-source .avatar-mark{
  width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--blue));
  display:flex;align-items:center;justify-content:center;color:#07111a;font-weight:700;font-size:15px;
}
.quote-source .name{color:var(--text-title);font-weight:600;font-size:14px}
.quote-source .role{color:var(--text-sub);font-size:12px}
.review-card{
  background:rgba(16,28,52,.6);border:1px solid var(--glass-border);border-radius:18px;
  padding:24px;height:100%;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:var(--transition);
}
.review-card:hover{border-color:rgba(18,216,242,.34);box-shadow:var(--shadow-hover)}
.review-card .stars{color:var(--gold);font-size:14px;margin-bottom:12px;letter-spacing:2px}
.review-card .review-text{font-size:14px;color:var(--text-body);line-height:1.85;margin-bottom:18px}
.review-card .review-user{display:flex;align-items:center;gap:9px}
.review-card .u-avatar{
  width:34px;height:34px;border-radius:10px;background:rgba(18,216,242,.12);
  border:1px solid rgba(18,216,242,.18);display:flex;align-items:center;justify-content:center;color:var(--cyan);flex-shrink:0;
}
.review-card .u-name{font-size:13px;color:var(--text-title);font-weight:600}
.review-card .u-channel{font-size:12px;color:var(--text-sub)}

/* News */
.news-layout .leading-panel{border-radius:22px;padding:0;overflow:hidden;margin-bottom:0}
.leading-panel .row{--bs-gutter-x:0}
.leading-panel .lead-cover{
  min-height:300px;min-height:100%;height:100%;
}
.leading-panel .lead-cover img{width:100%;height:100%;object-fit:cover;display:block}
.leading-panel .lead-body{padding:0;background:rgba(14,24,44,.5);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.news-item{
  display:flex;gap:16px;padding:20px 22px;border-bottom:1px solid rgba(255,255,255,.07);transition:var(--transition);
}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:rgba(18,216,242,.025)}
.news-thumb{
  width:108px;height:82px;flex-shrink:0;border-radius:13px;overflow:hidden;
  background:rgba(255,255,255,.03);
}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-item .news-info{min-width:0}
.news-item .tag-date{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:4px}
.news-item .news-title{font-size:15px;color:var(--text-title);font-weight:600;line-height:1.45;transition:var(--transition)}
.news-item:hover .news-title{color:var(--cyan)}
.news-item .news-desc{color:var(--text-sub);font-size:13px;margin:4px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{font-size:12px;color:var(--text-sub);display:flex;align-items:center;gap:12px}
.news-meta .read-more{color:var(--cyan)}
.feature-feed .news-item{padding-left:0;padding-right:0}
.empty-state{
  min-height:160px;display:flex;align-items:center;justify-content:center;flex-direction:column;
  border:1px dashed rgba(255,255,255,.14);border-radius:18px;text-align:center;
}
.empty-state .empty-icon{
  width:46px;height:46px;border-radius:50%;border:2px solid rgba(18,216,242,.3);border-top-color:var(--cyan);
  animation:spin 1.2s linear infinite;margin-bottom:14px;position:relative;
}
@keyframes spin{to{transform:rotate(360deg)}}
.empty-state p{color:var(--text-sub);font-size:14px}
.side-nav-card{padding:22px}
.side-nav-card .side-label{font-size:13px;color:var(--text-sub);letter-spacing:.03em;margin-bottom:14px}
.channel-link-row{
  display:flex;align-items:center;justify-content:space-between;padding:14px 8px;
  border:1px solid rgba(255,255,255,.07);border-radius:14px;margin-bottom:10px;
  background:rgba(255,255,255,.02);transition:var(--transition);
}
.channel-link-row:hover{background:rgba(18,216,242,.05);border-color:rgba(18,216,242,.28)}
.channel-link-row .row-no{color:var(--cyan);font-size:13px;font-weight:700;width:34px;flex-shrink:0}
.channel-link-row .row-title{flex:1;font-weight:600;font-size:14px;color:var(--text-title)}
.channel-link-row .row-arrow{color:var(--text-mute);font-size:17px}
.channel-link-row:hover .row-arrow{color:var(--cyan);transform:translateX(4px)}
.help-tip{
  margin-top:14px;border-radius:14px;padding:16px;
  background:linear-gradient(135deg,rgba(18,216,242,.05),rgba(61,126,255,.03));
  border:1px solid rgba(18,216,242,.14);
  font-size:13px;color:var(--text-body);line-height:1.8;
}

/* FAQ */
.faq-wrap .accordion-item{
  background:transparent;border:0;margin-bottom:12px;border-radius:16px!important;
  border:1px solid var(--glass-border) !important;overflow:hidden;
}
.faq-wrap .accordion-button{
  background:rgba(16,28,52,.55);color:var(--text-title);border-radius:16px!important;
  padding:19px 22px;font-size:15px;font-weight:600;box-shadow:none;min-height:54px;transition:var(--transition);
}
.faq-wrap .accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2312D8F2' class='bi bi-plus-lg' viewBox='0 0 16 16'%3E%3Cpath d='M8 2a.75.75 0 0 1 .75.75v4.5h4.5a.75.75 0 0 1 0 1.5h-4.5v4.5a.75.75 0 0 1-1.5 0v-4.5h-4.5a.75.75 0 0 1 0-1.5h4.5v-4.5A.75.75 0 0 1 8 2Z'/%3E%3C/svg%3E");
  background-size:16px;transition:var(--transition);filter:drop-shadow(0 0 5px rgba(18,216,242,.5));
}
.faq-wrap .accordion-button:not(.collapsed){
  background:rgba(18,28,52,.85);color:var(--text-title);
  border-bottom:1px solid rgba(18,216,242,.2);
}
.faq-wrap .accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2312D8F2' class='bi bi-dash-lg' viewBox='0 0 16 16'%3E%3Cpath d='M2 8a.75.75 0 0 1 .75-.75h10.5a.75.75 0 0 1 0 1.5H2.75A.75.75 0 0 1 2 8Z'/%3E%3C/svg%3E");
}
.accordion-button:focus{box-shadow:none;border-color:rgba(18,216,242,.3)}
.faq-wrap .accordion-collapse{background:rgba(10,18,32,.6);border-radius:0 0 16px 16px}
.faq-wrap .accordion-body{color:var(--text-sub);font-size:14px;line-height:1.85;padding:18px 22px 22px;border-top:1px solid rgba(255,255,255,.04)}

/* CTA */
.cta-section{
  padding:90px 0;
  background:
    linear-gradient(180deg,rgba(6,10,20,.92),rgba(6,10,20,.98)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat fixed;
}
.cta-panel{
  border-radius:28px;overflow:hidden;border:1px solid rgba(255,255,255,.1);
  background:linear-gradient(135deg,rgba(19,34,62,.88),rgba(9,17,33,.96));
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:48px;box-shadow:0 26px 60px rgba(0,0,0,.4);
  position:relative;
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,216,242,.12),transparent 68%);pointer-events:none;
}
.cta-panel .cta-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:30px;align-items:center}
.cta-panel .cta-title{font-size:clamp(1.4rem,2.3vw,2rem);margin-bottom:8px;color:var(--text-title)}
.cta-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.cta-btns{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-panel .btn{width:100%}
.cta-more{text-align:center;font-size:13px}

/* Footer */
.site-footer{background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.06);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1.1fr 1.1fr 1.3fr;gap:36px;padding-bottom:42px}
.footer-brand{font-size:20px;font-weight:800;color:var(--text-title);display:flex;gap:10px;align-items:center;margin-bottom:10px}
.footer-desc{font-size:14px;color:var(--text-sub);line-height:1.9;max-width:340px}
.footer-links h4{font-size:15px;color:var(--text-title);margin-bottom:16px;font-weight:600}
.footer-links a{
  display:block;color:var(--text-sub);font-size:14px;padding:5px 0;transition:var(--transition);text-decoration:none;
}
.footer-links a:hover{color:var(--cyan);text-decoration:none;transform:translateX(3px)}
.footer-news-list li{color:var(--text-sub);font-size:13px;line-height:1.8;padding:2px 0;display:flex;gap:7px}
.footer-news-list li::before{content:"";flex-shrink:0;width:5px;height:5px;border-radius:50%;background:var(--cyan);margin-top:9px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);padding:22px 0;text-align:center;
  font-size:13px;color:var(--text-mute);
}
.footer-bottom .domain-text{color:var(--text-sub);margin-left:5px}

/* decorations */
.page-glow{
  position:absolute;top:10%;right:-140px;width:430px;height:430px;pointer-events:none;border-radius:50%;
  background:radial-gradient(circle,rgba(18,216,242,.06),transparent 60%);
}

/* Back to top */
.back-top{
  position:fixed;right:24px;bottom:28px;z-index:99;width:44px;height:44px;border-radius:14px;
  background:rgba(11,21,38,.86);color:var(--cyan);border:1px solid rgba(18,216,242,.26);
  font-size:18px;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(0,0,0,.3);
  opacity:0;visibility:hidden;transition:var(--transition);
}
.back-top.show{opacity:1;visibility:visible}

/* responsiveness */
@media(max-width:1199px){
  .navbar-nav .nav-link{font-size:13px;padding:10px 9px!important}
  .search-box input{width:90px}
}
@media(max-width:991px){
  .section-pad{padding:66px 0}
  .hero-wrap{padding:44px 0 74px;min-height:auto}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .stat-panel{grid-template-columns:repeat(2,1fr);gap:0}
  .stat-item{border-bottom:1px solid rgba(255,255,255,.06)}
  .hero-float-card{left:10px;bottom:-22px}
  .hero-enter-btn{display:none}
  .site-header .navbar-collapse{
    position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:rgba(6,10,20,.97);
    backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);padding:26px 20px;
    border-top:1px solid var(--glass-border);overflow-y:auto;align-items:flex-start;
  }
  .site-header .navbar-nav{margin:6px 0 20px!important}
  .navbar-nav .nav-link{padding:15px 16px!important;font-size:16px;color:var(--text-body)}
  .navbar-nav .nav-link.active::after{left:18px;right:auto;transform:none;bottom:10px;width:24px}
  .header-actions{flex-wrap:wrap;padding-top:8px}
  .search-box{width:100%}
  .search-box input{flex:1;width:auto}
  .header-actions .btn{flex:1}
  .cta-panel{padding:30px}
  .cta-panel .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .step-row{grid-template-columns:1fr;gap:18px}
  .step-card.mid{margin-top:0}
  .quote-panel .q-image{flex-basis:100%;min-height:190px}
  .quote-panel .q-body{min-width:100%}
}
@media(max-width:767px){
  body{font-size:14px}
  .section-pad{padding:52px 0}
  .hero-wrap{padding:30px 0 64px}
  .brand-name{font-size:14px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .stat-panel{grid-template-columns:1fr 1fr;width:calc(100% - 16px);margin-left:8px}
  .quote-panel .q-body{padding:26px 22px}
  .cta-panel{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr}
  .news-item{flex-direction:column;padding:14px}
  .news-thumb{width:100%;height:112px}
  .hero-actions .btn{flex:1;width:auto;max-width:none}
  .hero-actions{flex-wrap:wrap}
}

/* roulang page: article */
:root {
    --bg: #060A14;
    --bg-2: #0A1224;
    --bg-3: #0D1830;
    --primary-strong: #1A2E52;
    --cyan: #12D8F2;
    --ocean: #3D7EFF;
    --gold: #FFC65C;
    --success: #2EE5A6;
    --text-head: #F4F8FF;
    --text-body: #B9C4D9;
    --text-sub: #7E8AA3;
    --text-mut: #4D5870;
    --line: rgba(255, 255, 255, .08);
    --line-strong: rgba(18, 216, 242, .35);
    --card: rgba(16, 28, 52, .58);
    --card-solid: rgba(9, 16, 32, .92);
    --r-lg: 20px;
    --r-md: 16px;
    --r-sm: 12px;
    --r-pill: 999px;
    --shadow: 0 10px 30px rgba(0, 0, 0, .18);
    --shadow-hover: 0 20px 44px rgba(0, 0, 0, .32);
    --glow: 0 0 18px rgba(18, 216, 242, .28), 0 4px 24px rgba(18, 216, 242, .12);
    --body-font: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--body-font);
    background-color: var(--bg);
    color: var(--text-body);
    line-height: 1.75;
    font-size: 16px;
    min-height: 100vh;
    background-image:
        linear-gradient(rgba(255,255,255,.017) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.017) 1px, transparent 1px);
    background-size: 54px 54px;
    background-position: center top;
}
body:before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(circle at 12% 0%, rgba(18,216,242,.08), transparent 26%),
        radial-gradient(circle at 86% 8%, rgba(61,126,255,.07), transparent 22%),
        radial-gradient(circle at 70% 90%, rgba(255,198,92,.045), transparent 20%);
}
a { color: var(--cyan); text-decoration: none; transition: color .2s ease; }
a:hover { color: #58e6fb; }
img { max-width: 100%; }
button,input { font-family: inherit; }
::selection { background: rgba(18,216,242,.24); color: #fff; }
h1,h2,h3,h4,h5,h6 { color: var(--text-head); font-weight: 800; line-height: 1.3; }
.container { position: relative; z-index: 1; }

.skip-link {
    position: absolute;
    top: -60px;
    left: 16px;
    z-index: 2000;
    background: var(--cyan);
    color: #0A1224;
    padding: .5rem 1rem;
    border-radius: 10px;
    font-weight: 700;
    transition: top .2s ease;
}
.skip-link:focus { top: 10px; color: #0A1224; }
.brand-icon { flex: 0 0 auto; }

/* header nav */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    border-bottom: 1px solid var(--line);
    background: rgba(6,10,20,.76);
    backdrop-filter: blur(16px) saturate(130%);
    -webkit-backdrop-filter: blur(16px) saturate(130%);
}
@supports not (backdrop-filter: blur(1px)) {
    .site-header { background: rgba(9,16,32,.96); }
}
.site-header .navbar { min-height: 72px; padding: .4rem 0; }
.site-header .navbar-brand { padding: 0; margin-right: 0; }
.brand-block { display: flex; align-items: center; gap: 10px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-weight: 800; color: var(--text-head); font-size: 1.08rem; letter-spacing: .01em; }
.brand-sub { font-size: 12px; color: var(--text-sub); letter-spacing: .04em; }
.navbar-nav { gap: .25rem; }
.navbar .nav-link {
    color: var(--text-body);
    font-weight: 600;
    padding: .6rem .8rem !important;
    border-radius: 12px;
    position: relative;
    font-size: 15px;
    letter-spacing: .01em;
}
.navbar .nav-link:hover { color: var(--text-head); background: rgba(255,255,255,.04); }
.navbar .nav-link.active {
    color: var(--cyan);
    background: rgba(18,216,242,.08);
}
.navbar .nav-link.active:before {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 3px;
    transform: translateX(-50%);
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: var(--cyan);
    box-shadow: 0 0 10px rgba(18,216,242,.6);
}
.navbar-toggler {
    border: 1px solid var(--line);
    color: var(--text-head);
    font-size: 1.4rem;
    border-radius: 12px;
    padding: .3rem .7rem;
    box-shadow: none !important;
    line-height: 1;
}
.navbar-toggler:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(18,216,242,.18) !important;
}
.header-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.search-box {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,.045);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 8px 4px 14px;
    gap: 6px;
    min-width: 190px;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.search-box:focus-within { border-color: var(--line-strong); box-shadow: 0 0 0 4px rgba(18,216,242,.08); }
.search-icon { color: var(--text-sub); line-height: 1; }
.search-box input {
    background: transparent;
    border: 0;
    outline: 0;
    color: var(--text-head);
    width: 100%;
    padding: 6px 0;
    font-size: 14px;
}
.search-box input::placeholder { color: var(--text-mut); }
.btn { border-radius: 12px; font-weight: 700; font-size: 15px; padding: .6rem 1.2rem; border: 1px solid transparent; transition: all .2s ease; }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.btn-header-login {
    background: rgba(255,255,255,.05);
    border: 1px solid var(--line);
    color: var(--text-head);
}
.btn-header-login:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(18,216,242,.06); }
.btn-header-enter {
    background: linear-gradient(135deg, var(--cyan), var(--ocean));
    color: #06101f;
    border: 0;
    box-shadow: var(--glow);
}
.btn-header-enter:hover { transform: translateY(-1px); color: #06101f; box-shadow: 0 0 22px rgba(18,216,242,.4), 0 6px 26px rgba(18,216,242,.18); }
.btn-header-enter:active { transform: translateY(0); box-shadow: 0 0 10px rgba(18,216,242,.15); }

/* buttons general */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--cyan), var(--ocean));
    color: #06101f;
    border: 0;
    box-shadow: var(--glow);
    white-space: nowrap;
}
.btn-primary-custom:hover {
    transform: translateY(-2px);
    color: #06101f;
    box-shadow: 0 0 24px rgba(18,216,242,.45), 0 6px 30px rgba(18,216,242,.16);
}
.btn-primary-custom:active { transform: translateY(0); box-shadow: 0 0 10px rgba(18,216,242,.16); }
.btn-ghost {
    background: rgba(255,255,255,.04);
    border: 1px solid var(--line);
    color: var(--text-body);
    border-radius: 12px;
}
.btn-ghost:hover { color: var(--cyan); border-color: var(--line-strong); background: rgba(18,216,242,.05); }

/* post header hero */
.post-hero {
    position: relative;
    padding: 76px 0 84px;
    border-bottom: 1px solid var(--line);
    background:
        linear-gradient(180deg, rgba(6,10,20,.93), rgba(10,18,36,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    overflow: hidden;
}
.post-hero:after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(18,216,242,.14), transparent 64%);
    pointer-events: none;
}
.post-hero-inner { position: relative; z-index: 1; max-width: 980px; }
.breadcrumb-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-sub);
    margin-bottom: 26px;
}
.breadcrumb-line a { color: var(--text-sub); display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb-line a:hover { color: var(--cyan); }
.breadcrumb-line i { font-size: 13px; }
.breadcrumb-line .sep { color: var(--text-mut); }
.breadcrumb-line .current { color: var(--text-body); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 220px; }
.post-title {
    font-size: clamp(1.7rem, 3vw, 2.6rem);
    font-weight: 800;
    line-height: 1.28;
    margin-bottom: 18px;
    color: var(--text-head);
    letter-spacing: .01em;
    max-width: 900px;
}
.post-summary {
    color: var(--text-body);
    font-size: 15px;
    max-width: 840px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    overflow: hidden;
    margin-bottom: 24px;
}
.post-meta-line { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(255,255,255,.045);
    border: 1px solid var(--line);
    color: var(--text-sub);
    font-size: 13px;
    border-radius: 999px;
    padding: 5px 12px;
}
.meta-chip i { color: var(--cyan); }
.meta-chip .gold { color: var(--gold); }

/* article section */
.article-section { padding: 58px 0 30px; position: relative; }
.glass-card {
    background: rgba(16, 28, 52, .58);
    border: 1px solid var(--line);
    backdrop-filter: blur(14px) saturate(120%);
    -webkit-backdrop-filter: blur(14px) saturate(120%);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
}
@supports not (backdrop-filter: blur(1px)) {
    .glass-card { background: rgba(9,16,32,.92); }
}
.article-panel { padding: 32px; }
.article-body { color: #ccd7e9; font-size: 16px; line-height: 1.9; word-break: break-word; }
.article-body > * + * { margin-bottom: 20px; }
.article-body h2 {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    margin-top: 48px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
    position: relative;
    color: var(--text-head);
}
.article-body h2:after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 52px;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), transparent);
    border-radius: 99px;
}
.article-body h3 { font-size: 1.2rem; margin-top: 34px; color: var(--text-head); }
.article-body h4 { font-size: 1.05rem; margin-top: 28px; color: var(--text-head); }
.article-body p { margin-bottom: 20px; color: #cbd6e8; }
.article-body p:last-child { margin-bottom: 0; }
.article-body a { color: var(--cyan); border-bottom: 1px dashed rgba(18,216,242,.5); padding-bottom: 1px; transition: .2s; }
.article-body a:hover { color: var(--gold); border-bottom-color: var(--gold); }
.article-body ul, .article-body ol { padding-left: 1.4rem; margin-bottom: 22px; }
.article-body li { margin-bottom: 8px; }
.article-body li::marker { color: var(--cyan); }
.article-body blockquote {
    margin: 28px 0;
    padding: 20px 24px;
    background: rgba(18,216,242,.05);
    border-left: 3px solid var(--cyan);
    border-radius: 0 16px 16px 0;
    color: #d7e1f4;
}
.article-body blockquote p { margin-bottom: 0; color: #d7e1f4; }
.article-body img {
    border-radius: 18px;
    width: 100%;
    height: auto;
    object-fit: cover;
    box-shadow: 0 10px 28px rgba(0,0,0,.32);
}
.article-body figure { margin: 32px 0; }
.article-body figure img { margin-bottom: 8px; }
.article-body figcaption { color: var(--text-sub); font-size: 13px; text-align: center; margin-top: 6px; }
.article-body hr { border: 0; border-top: 1px solid var(--line); margin: 34px 0; opacity: 1; }
.article-body table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 14.5px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 12px 14px; text-align: left; }
.article-body th { background: rgba(255,255,255,.04); color: var(--text-head); font-weight: 700; }
.article-body tr:nth-child(even) { background: rgba(255,255,255,.02); }
.article-body code {
    background: rgba(18,216,242,.07);
    border: 1px solid rgba(18,216,242,.12);
    color: #f2dbb4;
    padding: 2px 7px;
    border-radius: 8px;
    font-size: .9em;
    font-family: Consolas, Monaco, "Courier New", monospace;
}
.article-body pre { background: rgba(4,8,16,.8); border: 1px solid var(--line); border-radius: 16px; padding: 18px; overflow-x: auto; }
.article-body pre code { background: transparent; border: 0; padding: 0; color: #c9e7f5; }

/* misc */
.article-bottom {
    margin-top: 34px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}
.empty-panel { display: none; }
.article-empty {
    text-align: center;
    padding: 62px 20px;
}
.article-empty i { font-size: 52px; color: var(--text-mut); }
.article-empty h2 { margin-top: 20px; color: var(--text-head); }
.article-empty p { max-width: 420px; margin: 14px auto 26px; color: var(--text-sub); }

/* sidebar */
.sidebar-inner { position: sticky; top: 92px; display: flex; flex-direction: column; gap: 20px; }
.widget-card { padding: 26px; }
.widget-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.widget-icon {
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--cyan);
    background: rgba(18,216,242,.1);
    border: 1px solid rgba(18,216,242,.2);
    border-radius: 13px;
}
.widget-head h3 { font-size: 1.15rem; margin: 0; color: var(--text-head); }
.widget-desc { color: var(--text-sub); font-size: 14px; margin-bottom: 16px; line-height: 1.7; }
.widget-menu { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.widget-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-body);
    padding: 11px 12px;
    border-radius: 14px;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all .2s ease;
}
.widget-menu a i { color: var(--text-mut); width: 18px; text-align: center; transition: .2s; }
.widget-menu a:hover { background: rgba(255,255,255,.04); border-color: var(--line); color: var(--text-head); }
.widget-menu a:hover i { color: var(--cyan); transform: translateX(2px); }
.widget-note {
    margin: 0;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(255,198,92,.06);
    border: 1px solid rgba(255,198,92,.16);
    color: #d9c596;
    font-size: 13px;
    line-height: 1.7;
}
.widget-title {
    color: var(--gold);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
    margin-bottom: 9px;
}

/* related */
.related-section { padding: 48px 0 18px; }
.related-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
}
.related-heading h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); margin: 0; }
.related-heading p { margin: 0; color: var(--text-sub); font-size: 14px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-card {
    display: block;
    height: 100%;
    border-radius: 18px;
    overflow: hidden;
    background: rgba(16,28,52,.6);
    border: 1px solid var(--line);
    transition: all .25s ease;
    color: var(--text-head);
}
.related-card:hover { transform: translateY(-4px); border-color: rgba(18,216,242,.35); box-shadow: var(--shadow-hover); color: var(--text-head); }
.related-thumb { width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-3); position: relative; }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .related-thumb img { transform: scale(1.04); }
.related-thumb:after {
    content: "\F138";
    font-family: bootstrap-icons;
    font-size: 38px;
    color: rgba(255,255,255,.18);
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .25s ease;
    background: rgba(9,16,32,.1);
}
.related-card:hover .related-thumb:after { opacity: 1; }
.related-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; }
.related-tag { color: var(--gold); font-size: 12px; font-weight: 600; letter-spacing: .03em; }
.related-body h3 { margin: 0; font-size: 1.05rem; }
.related-body p { margin: 0; color: var(--text-sub); font-size: 13p; line-height: 1.6; font-size: 13px; }

/* footer */
.site-footer {
    background: #040810;
    border-top: 1px solid var(--line);
    padding: 66px 0 36px;
    margin-top: 64px;
}
.site-footer .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 32px; margin-bottom: 42px; }
.footer-brand-col .footer-brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.2rem; font-weight: 800; color: var(--text-head); }
.footer-desc { color: var(--text-sub); font-size: 14px; max-width: 360px; margin-top: 13px; line-height: 1.8; }
.footer-links h4 { font-size: 15px; margin: 0 0 14px; color: var(--text-head); font-weight: 700; }
.footer-links a { display: block; color: var(--text-sub); padding: 5px 0; font-size: 14px; transition: color .2s ease, padding-left .2s ease; }
.footer-links a:hover { color: var(--cyan); padding-left: 6px; }
.footer-news-list { list-style: none; margin: 0; padding: 0; color: var(--text-sub); font-size: 14px; display: flex; flex-direction: column; gap: 9px; }
.footer-news-list li { display: flex; gap: 8px; align-items: flex-start; }
.footer-news-list li:before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); margin-top: 10px; flex: 0 0 auto; opacity: .7; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 24px; color: var(--text-mut); font-size: 13px; text-align: center; }
.footer-bottom .domain-text { margin-left: 8px; opacity: .55; }

@media (max-width: 1400px) {
    .related-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
}
@media (max-width: 1199.98px) {
    .search-box { display: none; }
    .article-panel { padding: 26px; }
    .related-grid { gap: 16px; }
    .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 991.98px) {
    .site-header { position: relative; }
    .navbar-nav { padding: 12px 0; gap: 2px; }
    .navbar .nav-link { border-radius: 12px; }
    .navbar .nav-link:before { display: none; }
    .header-actions { border-top: 1px solid var(--line); margin-top: 12px; padding-top: 14px; width: 100%; }
    .header-actions .btn { flex: 1; justify-content: center; }
    .post-hero { padding: 56px 0 64px; }
    .article-section { padding-top: 40px; }
    .sidebar-inner { position: static; margin-top: 8px; }
    .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767.98px) {
    .navbar-collapse { background: rgba(9,16,32,.98); margin-top: 8px; border-radius: 18px; border: 1px solid var(--line); padding: 8px 16px 16px; }
    .header-actions .btn { font-size: 13px; padding: .55rem .6rem; }
    .brand-sub { display: none; }
    .post-hero { padding: 42px 0 48px; }
    .breadcrumb-line { gap: 4px; font-size: 12px; }
    .breadcrumb-line .current { max-width: 140px; }
    .post-title { font-size: clamp(1.5rem, 5vw, 1.9rem); line-height: 1.35; }
    .article-panel { padding: 18px; border-radius: 16px; }
    .article-meta { flex-wrap: wrap; }
    .article-bottom { flex-direction: column; align-items: stretch; }
    .article-bottom .btn { text-align: center; }
    .related-grid { grid-template-columns: 1fr; }
    .site-footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { line-height: 1.8; }
    .site-header .navbar { min-height: 62px; }
}
@media (max-width: 390px) {
    .brand-name { font-size: .92rem; }
    .navbar-brand svg { width: 20px; height: 20px; }
    .btn-header-enter i, .btn-header-login i { display: none; }
}

/* roulang page: category1 */
:root {
            --bg-deep: #060A14;
            --bg-deep2: #0A1224;
            --bg-deep3: #0D1830;
            --primary: #1A2E52;
            --cyan: #12D8F2;
            --ocean: #3D7EFF;
            --gold: #FFC65C;
            --green: #2EE5A6;
            --danger: #FF6B6B;
            --text-high: #F4F8FF;
            --text-body: #B9C4D9;
            --text-muted: #7E8AA3;
            --text-dim: #4D5870;
            --border-light: rgba(255, 255, 255, 0.08);
            --border-cyan: rgba(18, 216, 242, 0.32);
            --glass-bg: rgba(16, 28, 52, 0.58);
            --glass-bg-solid: rgba(9, 16, 32, 0.92);
            --r-lg: 20px;
            --r-md: 16px;
            --r-sm: 12px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.18);
            --shadow-card-hover: 0 20px 44px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 18px rgba(18, 216, 242, 0.35), 0 4px 24px rgba(18, 216, 242, 0.18);
            --transition: all .25s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            color-scheme: dark;
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            background: var(--bg-deep);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        * {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: var(--cyan);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--gold);
        }

        p {
            margin-bottom: 0;
        }

        .container {
            max-width: 1200px;
        }

        section {
            position: relative;
        }

        /* ---------- Buttons ---------- */
        .btn {
            border-radius: var(--r-sm);
            font-weight: 600;
            padding: 10px 22px;
            border: 1px solid transparent;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .btn:focus-visible,
        .btn-brand:focus-visible,
        .btn-ghost:focus-visible,
        .btn-header-login:focus-visible,
        .btn-header-enter:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        .btn-brand {
            background: linear-gradient(135deg, var(--cyan), var(--ocean));
            color: #061023;
            border: 0;
            box-shadow: var(--shadow-glow);
        }

        .btn-brand:hover {
            color: #02121f;
            transform: translateY(-2px);
            box-shadow: 0 0 22px rgba(18, 216, 242, 0.44), 0 8px 28px rgba(18, 216, 242, 0.24);
        }

        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(18, 216, 242, 0.22);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            color: var(--text-high);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .btn-ghost:hover {
            border-color: var(--cyan);
            color: var(--cyan);
            background: rgba(18, 216, 242, 0.06);
        }

        .link-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--cyan);
            font-weight: 600;
        }

        .link-text i {
            transition: transform .2s ease;
        }

        .link-text:hover i {
            transform: translateX(4px);
        }

        /* ---------- Header ---------- */
        .site-header {
            position: fixed !important;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1090;
            height: 72px;
            background: linear-gradient(180deg, rgba(6, 10, 20, 0.82), rgba(6, 10, 20, 0.45));
            transition: var(--transition);
        }

        .site-header .navbar {
            min-height: 72px;
            padding: 8px 0;
            background: transparent;
        }

        .site-header .navbar-nav {
            gap: 6px;
        }

        .site-header .nav-link {
            position: relative;
            color: var(--text-body);
            font-weight: 500;
            padding: 10px 14px !important;
            border-radius: 12px;
            font-size: 15px;
            white-space: nowrap;
        }

        .site-header .nav-link::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            border-radius: 4px;
            background: var(--cyan);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .25s ease;
        }

        .site-header .nav-link:hover {
            color: var(--text-high);
            background: rgba(255, 255, 255, 0.04);
        }

        .site-header .nav-link.active {
            color: var(--text-high) !important;
        }

        .site-header .nav-link.active::after {
            transform: scaleX(1);
            box-shadow: 0 0 8px var(--cyan);
        }

        .navbar-brand {
            padding: 0;
            margin: 0;
            max-width: 300px;
        }

        .brand-block {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-icon {
            flex: 0 0 auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(18, 216, 242, .1);
            border: 1px solid rgba(18, 216, 242, .3);
            box-shadow: 0 0 18px rgba(18, 216, 242, .12);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-name {
            color: var(--text-high);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: .02em;
        }

        .brand-sub {
            color: var(--text-muted);
            font-size: 11px;
            margin-top: 2px;
            letter-spacing: .04em;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: 0 14px;
            height: 38px;
            min-width: 190px;
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--border-cyan);
            box-shadow: 0 0 0 3px rgba(18, 216, 242, 0.08);
        }

        .search-icon {
            color: var(--text-muted);
            margin-right: 8px;
            font-size: 14px;
        }

        .search-box input {
            background: transparent;
            border: 0;
            outline: 0;
            width: 100%;
            color: var(--text-high);
            font-size: 13px;
            padding: 0;
            height: 34px;
        }

        .search-box input::placeholder {
            color: var(--text-dim);
        }

        .btn-header-login {
            background: rgba(255, 255, 255, .04);
            border: 1px solid var(--border-light);
            color: var(--text-body);
            border-radius: 999px;
            padding: 8px 16px;
            font-size: 14px;
        }

        .btn-header-login:hover {
            border-color: var(--border-cyan);
            color: var(--cyan);
            background: rgba(18, 216, 242, .06);
        }

        .btn-header-enter {
            background: linear-gradient(135deg, var(--cyan), var(--ocean));
            border: 0;
            color: #061023;
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 0 12px rgba(18, 216, 242, 0.24);
        }

        .btn-header-enter:hover {
            color: #07142b;
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 1px solid var(--border-light);
            border-radius: 10px;
            color: var(--text-high) !important;
            padding: 6px 10px;
            font-size: 22px;
            box-shadow: none;
        }

        @supports not (backdrop-filter: blur(1px)) {
            .site-header {
                background: linear-gradient(180deg, rgba(6, 10, 20, .96), rgba(9, 16, 32, .92));
            }
        }

        /* ---------- Breadcrumb ---------- */
        .breadcrumb-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .breadcrumb-line a {
            color: var(--text-muted);
        }

        .breadcrumb-line a:hover {
            color: var(--cyan);
        }

        .breadcrumb-line span {
            color: var(--text-body);
        }

        .breadcrumb-line i {
            font-size: 12px;
        }

        /* ---------- Page banner ---------- */
        .cat-banner {
            padding: 92px 0 56px;
            position: relative;
            overflow: hidden;
            background: url("/assets/images/backpic/back-2.webp") center 30% / cover no-repeat;
            border-bottom: 1px solid var(--border-light);
        }

        .cat-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(6, 10, 20, .97) 0%, rgba(8, 20, 40, .88) 62%, rgba(13, 24, 48, .7) 100%);
        }

        .cat-banner .container {
            position: relative;
            z-index: 2;
        }

        .cat-banner-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
        }

        .cat-banner-copy {
            max-width: 760px;
        }

        .banner-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(18, 216, 242, .1);
            border: 1px solid rgba(18, 216, 242, .22);
            color: var(--cyan);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

        .banner-eyebrow::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: 0 0 8px var(--cyan);
        }

        .cat-banner h1 {
            color: var(--text-high);
            font-size: clamp(1.8rem, 3vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 14px;
        }

        .cat-banner h1 .banner-minor {
            display: block;
            font-size: clamp(1.1rem, 2vw, 1.5rem);
            color: var(--cyan);
            font-weight: 700;
            margin-top: 6px;
        }

        .cat-banner-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            max-width: 660px;
        }

        .cat-banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 26px;
        }

        .cat-banner-card {
            flex: 0 0 320px;
            max-width: 100%;
            background: var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--r-lg);
            padding: 22px;
            backdrop-filter: blur(14px) saturate(120%);
            -webkit-backdrop-filter: blur(14px) saturate(120%);
            background-image: linear-gradient(135deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
            box-shadow: var(--shadow-card);
        }

        @supports not (backdrop-filter: blur(1px)) {
            .cat-banner-card {
                background: var(--glass-bg-solid);
            }
        }

        .banner-card-top {
            display: flex;
            align-items: center;
            gap: 14px;
            border-bottom: 1px solid var(--border-light);
            padding-bottom: 14px;
        }

        .banner-card-ic {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(18, 216, 242, .2), rgba(61, 126, 255, .12));
            border: 1px solid rgba(18, 216, 242, .28);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-size: 22px;
        }

        .banner-card-top h3 {
            color: var(--text-high);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 2px;
        }

        .banner-card-top p {
            color: var(--text-muted);
            font-size: 12px;
        }

        .banner-checklist {
            list-style: none;
            margin: 16px 0 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .banner-checklist li {
            display: flex;
            align-items: center;
            gap: 9px;
            color: var(--text-body);
            font-size: 13px;
        }

        .banner-checklist li i {
            color: var(--green);
            font-size: 15px;
        }

        /* ---------- Entry tab / quick index ---------- */
        .quick-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .quick-tabs a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .035);
            border: 1px solid var(--border-light);
            color: var(--text-body);
            border-radius: 999px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
        }

        .quick-tabs a:hover,
        .quick-tabs a.active {
            color: #07111f;
            background: var(--cyan);
            border-color: var(--cyan);
            box-shadow: 0 0 12px rgba(18, 216, 242, .22);
        }

        /* ---------- Section common ---------- */
        .section-pad {
            padding: 88px 0;
        }

        .section-soft {
            background: var(--bg-deep2);
        }

        .section-light {
            background: var(--bg-deep3);
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 42px;
        }

        .section-head .section-tag {
            color: var(--cyan);
            font-weight: 700;
            letter-spacing: .12em;
            font-size: 13px;
            text-transform: uppercase;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .section-head .section-tag::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--cyan);
        }

        .section-head h2 {
            color: var(--text-high);
            font-size: clamp(1.4rem, 2.4vw, 2.2rem);
            font-weight: 800;
            line-height: 1.3;
            margin: 12px 0 14px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-head.center .section-tag::before,
        .section-head.center .section-tag::after {
            content: "";
            width: 24px;
            height: 1px;
            background: rgba(18, 216, 242, .5);
        }

        /* ---------- Entry list ---------- */
        .entry-panel {
            border: 1px solid var(--border-light);
            border-radius: 24px;
            background: rgba(13, 24, 48, .35);
            overflow: hidden;
        }

        .entry-row {
            display: flex;
            align-items: center;
            gap: 22px;
            padding: 26px 28px;
            background: linear-gradient(135deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .01)), rgba(16, 28, 52, .5);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }

        .entry-row:last-child {
            border-bottom: 0;
        }

        .entry-row:hover {
            background: linear-gradient(135deg, rgba(18, 216, 242, .08), rgba(16, 28, 52, .55));
            box-shadow: inset 0 0 0 1px rgba(18, 216, 242, .14);
        }

        .entry-index {
            color: var(--text-dim);
            font-size: 13px;
            font-weight: 700;
            width: 44px;
            height: 44px;
            flex: 0 0 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .05);
            border: 1px solid var(--border-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .entry-row:hover .entry-index {
            color: #07111f;
            border-color: transparent;
            background: linear-gradient(135deg, var(--cyan), var(--ocean));
        }

        .entry-icon {
            flex: 0 0 52px;
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: rgba(255, 255, 255, .05);
            border: 1px solid var(--border-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 25px;
            color: var(--cyan);
        }

        .entry-main {
            flex: 1 1 auto;
            min-width: 0;
        }

        .entry-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 5px;
        }

        .entry-top h3 {
            color: var(--text-high);
            font-size: 18px;
            font-weight: 700;
            margin: 0;
        }

        .entry-badge {
            background: rgba(18, 216, 242, .12);
            color: var(--cyan);
            border-radius: 999px;
            font-size: 12px;
            padding: 2px 10px;
            font-weight: 600;
        }

        .entry-badge.gold {
            background: rgba(255, 198, 92, .12);
            color: var(--gold);
        }

        .entry-desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .entry-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 255, 255, .045);
            border: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 12px;
            line-height: 1;
            border-radius: 999px;
            padding: 5px 10px;
        }

        .entry-arrow {
            flex: 0 0 auto;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            background: rgba(255, 255, 255, .05);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .entry-row:hover .entry-arrow {
            color: #061021;
            background: var(--cyan);
            border-color: var(--cyan);
            transform: translateX(3px);
            box-shadow: 0 0 14px rgba(18, 216, 242, .26);
        }

        .entry-row-btn {
            text-decoration: none;
            display: flex;
            color: inherit;
        }

        /* ---------- Cover cards ---------- */
        .cover-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .cover-card {
            position: relative;
            border-radius: 22px;
            overflow: hidden;
            border: 1px solid var(--border-light);
            background: var(--bg-deep3);
            min-height: 330px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            box-shadow: var(--shadow-card);
        }

        .cover-media {
            position: absolute;
            inset: 0;
            z-index: 0;
            overflow: hidden;
        }

        .cover-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .cover-card:hover .cover-media img {
            transform: scale(1.04);
        }

        .cover-card::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(6, 10, 20, .1) 0%, rgba(6, 10, 20, .45) 50%, rgba(6, 10, 20, .94) 100%);
        }

        .cover-body {
            position: relative;
            z-index: 2;
            padding: 28px;
        }

        .cover-topline {
            color: var(--cyan);
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: .06em;
            background: rgba(6, 10, 20, .55);
            border: 1px solid rgba(18, 216, 242, .2);
            border-radius: 999px;
            padding: 4px 12px;
            display: inline-block;
            backdrop-filter: blur(4px);
        }

        .cover-body h3 {
            color: var(--text-high);
            font-size: 22px;
            font-weight: 800;
            margin: 12px 0 8px;
            line-height: 1.3;
        }

        .cover-body p {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.8;
            max-width: 460px;
        }

        /* ---------- Step path ---------- */
        .step-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            position: relative;
            background: linear-gradient(135deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .01)), var(--glass-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--r-lg);
            padding: 32px 26px 26px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .step-item.step-em {
            background: rgba(18, 216, 242, .08);
            border: 1px solid rgba(18, 216, 242, .36);
        }

        .step-num {
            color: var(--cyan);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: .1em;
        }

        .step-num strong {
            font-size: 34px;
            color: var(--text-high);
            display: block;
            line-height: 1;
            margin-bottom: 6px;
        }

        .step-item h3 {
            color: var(--text-high);
            font-size: 18px;
            font-weight: 700;
            margin: 12px 0 10px;
        }

        .step-item p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .step-arrow {
            position: absolute;
            right: -16px;
            top: 42px;
            color: var(--text-dim);
            z-index: 3;
            font-size: 18px;
        }

        /* ---------- Panel / feature block ---------- */
        .info-explain-grid {
            display: grid;
            grid-template-columns: 1.15fr .95fr;
            gap: 28px;
            align-items: center;
        }

        .info-card {
            border-radius: var(--r-lg);
            background: rgba(16, 28, 52, .5);
            border: 1px solid var(--border-light);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .info-card:hover {
            border-color: rgba(18, 216, 242, .2);
        }

        .info-card .big-icon {
            width: 52px;
            height: 52px;
            border-radius: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(18, 216, 242, .12);
            border: 1px solid rgba(18, 216, 242, .24);
            color: var(--cyan);
            font-size: 24px;
            margin-bottom: 18px;
        }

        .info-card h3 {
            color: var(--text-high);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .info-card p {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.85;
        }

        .check-list {
            list-style: none;
            margin: 18px 0 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .check-list li {
            display: flex;
            gap: 10px;
            color: var(--text-body);
            font-size: 14px;
        }

        .check-list li i {
            color: var(--green);
            margin-top: 3px;
        }

        /* ---------- FAQ ---------- */
        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1.6fr;
            gap: 40px;
        }

        .faq-side {
            position: relative;
        }

        .faq-side h2 {
            color: var(--text-high);
            font-size: clamp(1.4rem, 2vw, 2.1rem);
            font-weight: 800;
            line-height: 1.3;
            margin: 12px 0 16px;
        }

        .faq-side p {
            color: var(--text-muted);
            font-size: 14px;
        }

        .accordion-item {
            background: transparent;
            border: 0;
            margin-bottom: 12px;
        }

        .faq-acc {
            background: rgba(255, 255, 255, .035);
            border: 1px solid var(--border-light);
            border-radius: 16px !important;
            overflow: hidden;
            box-shadow: none;
        }

        .faq-acc .accordion-button {
            background: rgba(13, 24, 48, .55);
            color: var(--text-high);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 20px;
            border: 0;
            box-shadow: none;
            min-height: 52px;
            transition: var(--transition);
        }

        .faq-acc .accordion-button:not(.collapsed) {
            background: rgba(18, 216, 242, .1);
            color: var(--cyan);
            border-bottom: 1px solid var(--border-light);
        }

        .faq-acc .accordion-button::after {
            content: "\002B";
            background-image: none !important;
            width: 24px;
            height: 24px;
            font-size: 22px;
            line-height: 1;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-family: bootstrap-icons;
        }

        .faq-acc .accordion-button:not(.collapsed)::after {
            content: "\2212";
            color: var(--text-high);
        }

        .faq-acc .accordion-body {
            background: rgba(9, 16, 32, .45);
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.8;
            padding: 20px;
            border-top: 0;
        }

        /* ---------- CTA ---------- */
        .cta-wrap {
            position: relative;
            border-radius: 32px;
            overflow: hidden;
            border: 1px solid var(--border-light);
            background: url("/assets/images/backpic/back-3.png") center / cover no-repeat;
        }

        .cta-wrap::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(6, 10, 20, .96) 0%, rgba(9, 20, 42, .91) 48%, rgba(18, 216, 242, .18) 100%);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            padding: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
        }

        .cta-copy h2 {
            color: var(--text-high);
            font-size: clamp(1.4rem, 2.4vw, 2rem);
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-copy p {
            color: var(--text-body);
            max-width: 580px;
            font-size: 15px;
            line-height: 1.8;
        }

        .cta-points {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .cta-points span {
            font-size: 13px;
            color: var(--text-body);
            background: rgba(255, 255, 255, .05);
            border: 1px solid var(--border-light);
            padding: 6px 14px;
            border-radius: 999px;
        }

        .cta-actions {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
            min-width: 220px;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: #040810;
            padding: 72px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, .05);
            color: var(--text-muted);
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 34px;
            border-bottom: 1px solid var(--border-light);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-high);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-desc {
            max-width: 320px;
            font-size: 13px;
            line-height: 1.8;
            color: var(--text-muted);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links h4 {
            color: var(--text-high);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 13px;
            width: fit-content;
        }

        .footer-links a:hover {
            color: var(--cyan);
            transform: translateX(3px);
        }

        .footer-news-list {
            margin: 0;
            padding: 0;
            list-style: none;
            display: grid;
            gap: 8px;
        }

        .footer-news-list li {
            padding-left: 16px;
            position: relative;
            font-size: 13px;
        }

        .footer-news-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 6px;
            height: 6px;
            border-radius: 2px;
            background: var(--cyan);
        }

        .footer-bottom {
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 6px;
            color: var(--text-dim);
            font-size: 12px;
        }

        .domain-text {
            margin-left: 8px;
            color: var(--text-dim);
            opacity: .7;
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 1199.98px) {
            .nav-link-item {
                padding: 10px 10px !important;
                font-size: 14px;
            }
            .cat-banner-card {
                flex-basis: 280px;
            }
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: linear-gradient(180deg, rgba(9, 16, 32, .99), rgba(6, 10, 20, .98));
                border: 1px solid var(--border-light);
                border-radius: 16px;
                padding: 16px 14px;
                box-shadow: 0 20px 46px rgba(0, 0, 0, .5);
                margin-top: 8px;
            }
            .navbar-nav {
                width: 100%;
                align-items: stretch;
                gap: 4px;
            }
            .nav-link {
                border-radius: 12px !important;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                background: rgba(18, 216, 242, .12);
                color: var(--cyan) !important;
            }
            .header-actions {
                width: 100%;
                align-items: stretch;
                padding-top: 12px;
                margin-top: 8px;
                border-top: 1px solid var(--border-light);
                flex-wrap: wrap;
            }
            .search-box {
                flex: 1 1 100%;
                min-width: 0;
                margin-bottom: 8px;
            }
            .btn-header-login,
            .btn-header-enter {
                flex: 1 1 calc(50% - 5px);
                justify-content: center;
            }
            .cat-banner {
                padding-top: 84px;
            }
            .cat-banner-grid {
                flex-direction: column;
                gap: 26px;
            }
            .cat-banner-card {
                width: 100%;
                flex-basis: auto;
            }
            .info-explain-grid,
            .faq-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767.98px) {
            .section-pad {
                padding: 64px 0;
            }
            .cat-banner {
                padding: 72px 0 36px;
            }
            .cat-banner h1 {
                font-size: clamp(1.75rem, 6vw, 2.2rem);
            }
            .entry-row {
                flex-direction: column;
                align-items: flex-start;
                padding: 22px;
            }
            .entry-main {
                width: 100%;
            }
            .entry-arrow {
                position: absolute;
                right: 20px;
                bottom: 20px;
            }
            .cover-grid {
                grid-template-columns: 1fr;
            }
            .step-list {
                grid-template-columns: 1fr;
            }
            .step-arrow {
                transform: rotate(90deg);
                right: auto;
                top: auto;
                bottom: -6px;
                left: 46px;
            }
            .cta-inner {
                padding: 34px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-actions {
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
                justify-content: center;
                max-width: 360px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
            }
            .brand-sub {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .quick-tabs a {
                flex: 1 1 42%;
                justify-content: center;
            }
            .entry-top h3 {
                font-size: 17px;
            }
        }

/* roulang page: category2 */
:root{
  --page-bg:#060A14;
  --panel-a:#0A1224;
  --panel-b:#0D1830;
  --primary:#1A2E52;
  --cyan:#12D8F2;
  --ocean:#3D7EFF;
  --gold:#FFC65C;
  --green:#2EE5A6;
  --red:#FF6B6B;
  --head:#F4F8FF;
  --body:#B9C4D9;
  --muted:#7E8AA3;
  --dim:#4D5870;
  --border-w:rgba(255,255,255,0.08);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 10px 30px rgba(0,0,0,0.18);
  --shadow-up:0 20px 44px rgba(0,0,0,0.35);
  --shadow-cyan:0 0 18px rgba(18,216,242,0.35),0 4px 24px rgba(18,216,242,0.18);
  --f-head:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
html{
  scroll-behavior:smooth;
  scroll-padding-top:92px;
}
*{
  box-sizing:border-box;
}
body{
  margin:0;
  font-family:var(--f-head);
  background:var(--page-bg);
  color:var(--body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{
  color:inherit;
  text-decoration:none;
  transition:color .25s ease,opacity .25s ease,border-color .25s ease,background .25s ease;
}
a:hover{
  color:var(--cyan);
}
img{
  max-width:100%;
  height:auto;
}
ul{
  list-style:none;
  padding:0;
  margin:0;
}
h1,h2,h3,h4,h5,h6{
  font-weight:800;
  color:var(--head);
  line-height:1.25;
  letter-spacing:.01em;
}
.container{
  max-width:1200px;
}
.btn{
  border-radius:var(--radius-sm);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  font-weight:700;
  line-height:1.4;
  padding:.7rem 1.35rem;
  border:1px solid transparent;
  transition:transform .25s,box-shadow .25s,border-color .25s,background .25s,color .25s;
}
.btn:focus-visible,
a:focus-visible,
input:focus-visible,
button:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
}
.btn-main{
  background:linear-gradient(135deg,var(--cyan),var(--ocean));
  color:#0A1224;
  border-color:rgba(255,255,255,.12);
  box-shadow:var(--shadow-cyan);
  font-weight:800;
}
.btn-main:hover{
  color:#0A1224;
  transform:translateY(-2px);
  filter:brightness(1.06);
  box-shadow:0 0 26px rgba(18,216,242,.45),0 6px 30px rgba(18,216,242,.22);
}
.btn-main:active{
  transform:translateY(0);
  box-shadow:0 0 10px rgba(18,216,242,.2);
}
.btn-ghost{
  background:rgba(10,18,36,.55);
  border:1px solid rgba(255,255,255,.14);
  color:var(--head);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{
  border-color:var(--cyan);
  color:var(--cyan);
  transform:translateY(-2px);
}
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  min-height:72px;
  background:rgba(6,10,20,.78);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--border-w);
}
@supports not (backdrop-filter:blur(1px)){
  .site-header{
    background:rgba(7,12,24,.96);
  }
}
.site-header .navbar{
  min-height:72px;
  padding:0;
}
.navbar-brand{
  padding:0;
  margin:0;
  display:flex;
  align-items:center;
}
.brand-block{
  display:flex;
  align-items:center;
  gap:10px;
}
.brand-icon{
  flex:none;
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.2;
}
.brand-name{
  font-weight:800;
  color:var(--head);
  font-size:17px;
  letter-spacing:.02em;
}
.brand-sub{
  font-size:11px;
  color:var(--muted);
  margin-top:1px;
}
.navbar .nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:.55rem .85rem;
  margin:0 .15rem;
  color:var(--body);
  font-weight:500;
  font-size:15px;
  border-radius:10px;
  line-height:1.2;
}
.navbar .nav-link:hover{
  color:var(--head);
}
.navbar .nav-link.active{
  color:var(--cyan);
}
.navbar .nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:3px;
  width:22px;
  height:2px;
  border-radius:99px;
  background:var(--cyan);
  transform:translateX(-50%);
  box-shadow:0 0 10px rgba(18,216,242,.6);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:.6rem;
}
.search-box{
  display:flex;
  align-items:center;
  background:rgba(20,34,60,.5);
  border:1px solid var(--border-w);
  border-radius:999px;
  padding:.28rem .5rem .28rem .9rem;
  min-width:200px;
}
.search-icon{
  color:var(--muted);
  display:flex;
  align-items:center;
  margin-right:.4rem;
  font-size:14px;
}
.search-box input{
  background:transparent;
  border:none;
  outline:none;
  color:var(--head);
  width:100%;
  font-size:14px;
  padding:0;
}
.search-box input::placeholder{
  color:var(--dim);
}
.btn-header-login,
.btn-header-enter{
  padding:.5rem 1.05rem;
  font-size:14px;
  border-radius:999px;
  white-space:nowrap;
}
.btn-header-login{
  background:transparent;
  border:1px solid rgba(255,255,255,.16);
  color:var(--head);
}
.btn-header-login:hover{
  border-color:var(--cyan);
  color:var(--cyan);
}
.btn-header-enter{
  background:linear-gradient(135deg,var(--cyan),var(--ocean));
  color:#08111f;
  font-weight:800;
  border-color:rgba(255,255,255,.15);
  box-shadow:0 0 14px rgba(18,216,242,.24);
}
.btn-header-enter:hover{
  color:#08111f;
  filter:brightness(1.06);
  box-shadow:0 0 20px rgba(18,216,242,.4);
}
.navbar-toggler{
  border:1px solid rgba(255,255,255,.16);
  color:var(--head);
  padding:.4rem .65rem;
  border-radius:12px;
  font-size:1.3rem;
  box-shadow:none;
}
.navbar-toggler:focus{
  box-shadow:none;
  border-color:var(--cyan);
}
.navbar-toggler i{
  color:var(--head);
}
@media (max-width:991.98px){
  .site-header .navbar .container{
    flex-wrap:wrap;
  }
  .navbar-collapse{
    background:rgba(8,14,28,.98);
    border:1px solid var(--border-w);
    border-radius:16px;
    margin-top:12px;
    padding:14px 14px 18px;
    box-shadow:var(--shadow-up);
  }
  .navbar-nav{
    gap:.2rem;
  }
  .navbar .nav-link{
    padding:.65rem .8rem;
    border-radius:10px;
  }
  .navbar .nav-link.active{
    background:rgba(18,216,242,.08);
  }
  .navbar .nav-link.active::after{
    display:none;
  }
  .header-actions{
    width:100%;
    margin-top:8px;
    padding-top:12px;
    border-top:1px solid var(--border-w);
    flex-wrap:wrap;
  }
  .search-box{
    flex:1 1 160px;
    min-width:0;
  }
}
.category-hero{
  position:relative;
  padding:108px 0 92px;
  background-image:linear-gradient(180deg,rgba(6,10,20,.93),rgba(6,10,20,.97) 60%,rgba(8,13,28,.98)),url('/assets/images/backpic/back-2.webp');
  background-position:center top;
  background-size:cover;
  background-repeat:no-repeat;
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.category-hero::before{
  content:"";
  position:absolute;
  width:460px;
  height:460px;
  right:-140px;
  top:-170px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,216,242,.16),transparent 65%);
  pointer-events:none;
}
.category-hero .container{
  position:relative;
  z-index:2;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  color:var(--cyan);
  font-weight:700;
  font-size:13px;
  letter-spacing:.06em;
  text-transform:uppercase;
  border:1px solid rgba(18,216,242,.3);
  background:rgba(18,216,242,.08);
  padding:.35rem .8rem;
  border-radius:999px;
  margin-bottom:18px;
}
.category-hero h1{
  font-size:clamp(2rem,4vw,3rem);
  max-width:680px;
  margin-bottom:16px;
  letter-spacing:.01em;
}
.category-hero .lead{
  max-width:620px;
  color:var(--body);
  font-size:17px;
  margin-bottom:26px;
}
.hero-max{
  max-width:620px;
  color:var(--body);
  font-size:17px;
  margin-bottom:0;
  line-height:1.8;
}
.hero-actions{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:.9rem;
  margin-top:26px;
}
.hero-ribbon{
  display:flex;
  flex-wrap:wrap;
  gap:.8rem;
  margin-top:46px;
}
.hero-ribbon span{
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  color:var(--muted);
  border:1px solid var(--border-w);
  border-radius:999px;
  background:rgba(15,26,48,.35);
  padding:.4rem 1rem;
}
.hero-ribbon span i{
  color:var(--green);
}
.hero-note-card{
  position:relative;
  z-index:3;
  background:linear-gradient(140deg,rgba(16,28,52,.72),rgba(9,16,32,.8));
  border:1px solid var(--border-w);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-radius:20px;
  padding:22px 24px;
  color:var(--body);
  box-shadow:var(--shadow-card);
  margin-top:38px;
}
@supports not (backdrop-filter:blur(1px)){
  .hero-note-card{
    background:rgba(9,16,32,.95);
  }
}
.hero-note-card .note-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.8rem;
  margin-bottom:8px;
}
.hero-note-card .note-title{
  color:var(--head);
  font-size:15px;
  font-weight:700;
}
.hero-note-card .online-dot{
  display:inline-flex;
  align-items:center;
  gap:.3rem;
  font-size:12px;
  color:var(--green);
}
.hero-note-card .online-dot::before{
  content:"";
  width:7px;
  height:7px;
  background:var(--green);
  border-radius:50%;
  box-shadow:0 0 8px rgba(46,229,166,.6);
}
.hero-note-card p{
  font-size:14px;
  line-height:1.8;
  margin:0;
}
.hero-note-card .tag-line{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem;
  margin-top:12px;
}
.hero-note-card .tag-line span{
  font-size:11px;
  color:var(--head);
  background:rgba(18,216,242,.08);
  border:1px solid rgba(18,216,242,.18);
  border-radius:999px;
  padding:.15rem .7rem;
}
@media (max-width:767px){
  .category-hero{
    padding:84px 0 64px;
  }
  .hero-ribbon{
    gap:.5rem;
  }
}
.section-block{
  padding:92px 0;
  position:relative;
}
.section-block.bg-panel-a{background:var(--panel-a);}
.section-block.bg-panel-b{background:var(--panel-b);}
.section-block .container{
  position:relative;
  z-index:2;
}
.section-heading{
  max-width:640px;
  margin-bottom:46px;
}
.section-kicker{
  color:var(--cyan);
  letter-spacing:.08em;
  text-transform:uppercase;
  font-size:13px;
  font-weight:700;
  margin-bottom:10px;
}
.section-heading h2{
  font-size:clamp(1.6rem,2.5vw,2.2rem);
  margin-bottom:14px;
}
.section-heading p{
  color:var(--body);
  font-size:15px;
  margin:0;
}
.intro-block{
  background:var(--panel-a);
}
.intro-copy h2{
  font-size:clamp(1.6rem,2.5vw,2.2rem);
  margin-bottom:18px;
}
.intro-copy > p{
  margin-bottom:24px;
}
.intro-list li{
  display:flex;
  gap:.75rem;
  margin-bottom:14px;
  align-items:flex-start;
}
.intro-list li i{
  color:var(--cyan);
  background:rgba(18,216,242,.1);
  border:1px solid rgba(18,216,242,.2);
  width:24px;
  height:24px;
  flex:none;
  font-size:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  margin-top:5px;
}
.intro-list li span{
  color:var(--body);
}
.intro-media-frame{
  border-radius:24px;
  background:linear-gradient(145deg,rgba(16,28,52,.75),rgba(7,13,26,.6));
  padding:16px;
  border:1px solid var(--border-w);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.intro-media-frame img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:16px;
  display:block;
}
.intro-float{
  margin-top:12px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  background:rgba(13,24,48,.5);
  padding:14px 16px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.05);
  font-size:13px;
  color:var(--muted);
}
.intro-float .dot-on{
  color:var(--green);
  font-weight:700;
}
.intro-float i{
  color:var(--gold);
}
.guides-block{
  background:var(--panel-b);
}
.guide-feature-row{
  margin-bottom:20px;
}
.highlight-feature{
  display:flex;
  background:linear-gradient(135deg,rgba(18,216,242,.1),rgba(61,126,255,.05));
  border:1px solid rgba(18,216,242,.2);
  border-radius:20px;
  overflow:hidden;
  min-height:100%;
}
.highlight-feature .feature-img{
  width:46%;
  min-height:250px;
  flex:none;
  background-color:#0a1224;
  position:relative;
}
.highlight-feature .feature-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  position:absolute;
  inset:0;
}
.feature-body{
  flex:1;
  padding:1.8rem;
}
.feature-body .feature-tag{
  color:var(--gold);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.feature-body h3{
  font-size:1.3rem;
  margin:12px 0 10px;
}
.feature-body p{
  margin:0 0 16px;
  font-size:14px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  color:var(--cyan);
  font-weight:700;
  font-size:14px;
}
.text-link i{
  transition:transform .25s ease;
}
.text-link:hover i{
  transform:translateX(4px);
}
.guide-intro-card{
  background:linear-gradient(145deg,rgba(16,28,52,.7),rgba(8,14,28,.82));
  border:1px solid var(--border-w);
  border-radius:20px;
  padding:1.8rem;
  min-height:100%;
  box-shadow:var(--shadow-card);
}
.guide-intro-card h3{
  font-size:1.25rem;
  margin-bottom:10px;
}
.guide-intro-card p{
  font-size:14px;
  color:var(--body);
  margin-bottom:16px;
}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
}
.tag{
  font-size:12px;
  font-weight:700;
  color:var(--head);
  background:rgba(18,216,242,.08);
  border:1px solid rgba(18,216,242,.2);
  border-radius:999px;
  padding:.25rem .8rem;
}
.tag.gold{
  color:var(--gold);
  border-color:rgba(255,198,92,.3);
  background:rgba(255,198,92,.06);
}
.waterfall{
  columns:3 280px;
  column-gap:1.5rem;
  margin-top:1.6rem;
}
.waterfall .guide-card{
  break-inside:avoid;
  margin-bottom:1.5rem;
}
@media (min-width:1200px){
  .waterfall{
    columns:3 300px;
  }
}
.guide-card{
  display:block;
  background:linear-gradient(145deg,rgba(16,28,52,.72),rgba(8,14,28,.78));
  border:1px solid var(--border-w);
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 10px 24px rgba(0,0,0,.18);
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.guide-card:hover{
  transform:translateY(-6px);
  border-color:rgba(18,216,242,.45);
  box-shadow:var(--shadow-up);
}
.guide-thumb{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/10;
  background:#0a1224;
  overflow:hidden;
}
.guide-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:opacity .3s,transform .3s;
}
.guide-card:hover .guide-thumb img{
  transform:scale(1.03);
}
.thumb-tag{
  position:absolute;
  top:12px;
  left:12px;
  background:rgba(6,10,20,.75);
  border:1px solid rgba(255,255,255,.2);
  color:var(--head);
  font-size:11px;
  padding:.2rem .65rem;
  border-radius:999px;
  z-index:2;
  backdrop-filter:blur(6px);
}
.guide-card-body{
  padding:1.2rem 1.2rem 1.35rem;
}
.card-meta{
  display:flex;
  justify-content:space-between;
  gap:.8rem;
  color:var(--dim);
  font-size:12px;
  margin-bottom:.6rem;
  letter-spacing:.02em;
}
.card-meta .card-type{
  color:var(--cyan);
}
.guide-card h3{
  font-size:1.1rem;
  margin-bottom:.55rem;
  line-height:1.4;
}
.guide-card p{
  font-size:14px;
  color:var(--body);
  line-height:1.75;
  margin:0;
}
.route-block{
  background:var(--panel-a);
  overflow:hidden;
}
.route-step-card{
  position:relative;
  height:100%;
  background:linear-gradient(150deg,rgba(16,28,52,.7),rgba(6,12,26,.72));
  border:1px solid var(--border-w);
  border-radius:20px;
  padding:1.8rem 1.7rem;
  backdrop-filter:blur(8px);
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.route-step-card:hover{
  transform:translateY(-5px);
  border-color:rgba(18,216,242,.3);
}
.route-step-card.mid{
  margin-top:12px;
}
.route-step-card.fin{
  background:linear-gradient(150deg,rgba(2,10,24,.92),rgba(8,18,38,.92));
  border-color:rgba(18,216,242,.55);
  box-shadow:0 0 0 1px rgba(18,216,242,.2),var(--shadow-cyan);
}
.step-num{
  font-weight:800;
  font-size:14px;
  color:var(--gold);
  letter-spacing:.05em;
  border:1px solid rgba(255,198,92,.3);
  background:rgba(255,198,92,.06);
  padding:.2rem .8rem;
  border-radius:99px;
  display:inline-block;
  margin-bottom:1rem;
}
.route-step-card h3{
  font-size:1.15rem;
  margin-bottom:.7rem;
}
.route-step-card p{
  margin:0;
  font-size:14px;
  color:var(--body);
  line-height:1.8;
}
.route-step-card .step-icon{
  position:absolute;
  right:1.1rem;
  bottom:1.1rem;
  color:rgba(18,216,242,.18);
  font-size:32px;
  line-height:1;
}
.faq-block{
  background:var(--panel-b);
  border-top:1px solid var(--border-w);
}
.faq-heading{
  position:sticky;
  top:100px;
}
.faq-heading .help-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border-radius:14px;
  font-size:22px;
  color:var(--cyan);
  background:rgba(18,216,242,.12);
  border:1px solid rgba(18,216,242,.2);
  margin-bottom:14px;
}
.faq-heading h2{
  font-size:clamp(1.6rem,2.4vw,2.2rem);
  margin-bottom:14px;
}
.faq-heading p{
  color:var(--body);
  font-size:15px;
}
.advice-card{
  background:rgba(255,198,92,.06);
  border:1px solid rgba(255,198,92,.16);
  border-radius:14px;
  padding:1rem;
  margin-top:1.6rem;
  display:flex;
  gap:.75rem;
  align-items:flex-start;
}
.advice-card i{
  color:var(--gold);
  font-size:20px;
  line-height:1.2;
}
.advice-card p{
  color:var(--body);
  font-size:13px;
  margin:0;
}
.accordion-guide{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.qa-item{
  background:linear-gradient(145deg,rgba(16,28,52,.6),rgba(8,14,28,.66));
  border:1px solid var(--border-w);
  border-radius:16px;
  overflow:hidden;
}
.qa-btn{
  width:100%;
  background:transparent;
  border:0;
  text-align:left;
  color:var(--head);
  font-size:15px;
  font-weight:700;
  padding:1rem 1.2rem;
  min-height:52px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:1rem;
  transition:color .25s;
}
.qa-btn:hover{
  color:var(--cyan);
}
.qa-btn .q-main{
  display:inline-flex;
  gap:.6rem;
  align-items:center;
}
.qa-btn .q-main i{
  color:var(--cyan);
  font-size:20px;
}
.qa-btn .icon-more{
  flex:none;
  color:var(--muted);
  transition:transform .25s;
}
.qa-btn[aria-expanded="false"] .icon-more i{
  transform:rotate(0);
}
.qa-btn[aria-expanded="true"] .icon-more i{
  transform:rotate(180deg);
  color:var(--cyan);
}
.qa-body{
  padding:0 1.25rem 1.2rem 3rem;
  color:var(--body);
  font-size:14px;
}
.qa-body p{
  margin:0;
  line-height:1.85;
}
@media (max-width:767px){
  .qa-body{
    padding:0 1rem 1.1rem 1.25rem;
  }
}
.final-cta{
  background:linear-gradient(180deg,rgba(8,13,24,.95),rgba(5,8,18,.98)),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  position:relative;
}
.final-panel{
  background:linear-gradient(140deg,rgba(12,24,46,.8),rgba(6,10,20,.9));
  border:1px solid rgba(255,255,255,.1);
  border-radius:28px;
  padding:4rem 3.5rem;
  box-shadow:var(--shadow-up);
  overflow:hidden;
  position:relative;
}
.final-panel .glow{
  position:absolute;
  width:420px;
  height:420px;
  right:-180px;
  top:-220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,216,242,.2),transparent 65%);
  pointer-events:none;
}
.final-label{
  color:var(--cyan);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  display:block;
  margin-bottom:12px;
}
.final-panel h2{
  font-size:clamp(1.7rem,3vw,2.5rem);
  margin-bottom:16px;
  max-width:560px;
}
.final-panel .lead{
  color:var(--body);
  margin-bottom:16px;
  max-width:580px;
}
.final-points{
  display:flex;
  flex-wrap:wrap;
  gap:.7rem;
  margin-bottom:1.8rem;
}
.final-points span{
  font-size:13px;
  color:var(--head);
  border:1px solid rgba(255,255,255,.14);
  background:rgba(18,216,242,.08);
  padding:.35rem 1rem;
  border-radius:999px;
}
.final-link-list{
  display:flex;
  gap:1rem;
  margin-top:1.8rem;
  align-items:center;
  flex-wrap:wrap;
}
.cta-secondary-link{
  display:inline-flex;
  gap:.4rem;
  align-items:center;
  color:var(--body);
  font-size:14px;
  font-weight:700;
}
.cta-secondary-link:hover{
  color:var(--cyan);
}
.site-footer{
  background:#040810;
  border-top:1px solid rgba(255,255,255,.05);
  padding:60px 0 32px;
  color:var(--muted);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .9fr .9fr 1fr;
  gap:2rem;
  padding-bottom:2.2rem;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:.7rem;
  color:var(--head);
  font-size:17px;
  font-weight:800;
  margin-bottom:1rem;
}
.footer-desc{
  font-size:13px;
  line-height:1.8;
  max-width:300px;
  margin:0;
}
.footer-links{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:.5rem;
}
.footer-links h4,
.footer-news-list h4{
  font-size:14px;
  color:var(--head);
  margin-bottom:.8rem;
}
.footer-links a{
  color:var(--muted);
  font-size:13px;
}
.footer-links a:hover{
  color:var(--cyan);
}
.footer-news-list li{
  font-size:13px;
  margin-bottom:.5rem;
  display:flex;
  gap:.5rem;
  align-items:flex-start;
}
.footer-news-list li::before{
  content:"";
  width:5px;
  height:5px;
  background:var(--cyan);
  border-radius:50%;
  flex:none;
  margin-top:8px;
}
.footer-bottom{
  padding-top:22px;
  font-size:12px;
  color:var(--dim);
}
.footer-bottom .domain-text{
  margin-left:.5rem;
  color:var(--dim);
  opacity:.7;
}
@media (max-width:991.98px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
    row-gap:2.5rem;
  }
  .final-panel{
    padding:2.5rem 1.8rem;
  }
  .faq-heading{
    position:static;
    margin-bottom:1.5rem;
  }
  .route-step-card.mid{
    margin-top:0;
  }
}
@media (max-width:767px){
  .section-block{
    padding:64px 0;
  }
  .footer-grid{
    grid-template-columns:1fr;
    row-gap:2rem;
  }
  .highlight-feature{
    flex-direction:column;
  }
  .highlight-feature .feature-img{
    width:100%;
    min-height:190px;
  }
  .hero-note-card{
    margin-top:24px;
  }
  .category-hero .lead,
  .hero-max{
    font-size:16px;
  }
  .category-hero h1{
    font-size:2rem;
  }
  .final-cta .lead{
    font-size:15px;
  }
  .btn{
    padding:.6rem 1rem;
  }
}

/* roulang page: category3 */
:root {
      --bg-body: #060A14;
      --bg-panel: #0A1224;
      --bg-deep: #0D1830;
      --primary: #1A2E52;
      --cyan: #12D8F2;
      --ocean: #3D7EFF;
      --sand: #FFC65C;
      --success: #2EE5A6;
      --danger: #FF6B6B;
      --text-heading: #F4F8FF;
      --text-body: #B9C4D9;
      --text-sub: #7E8AA3;
      --text-muted: #4D5870;
      --glass-bg: rgba(16, 28, 52, 0.58);
      --glass-border: rgba(255, 255, 255, 0.08);
      --radius-lg: 20px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --radius-pill: 999px;
      --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.18);
      --shadow-hover: 0 20px 44px rgba(0, 0, 0, 0.35);
      --shadow-glow: 0 0 18px rgba(18, 216, 242, 0.35), 0 4px 24px rgba(18, 216, 242, 0.18);
      --font-main: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg-body);
      color: var(--text-body);
      font-family: var(--font-main);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      color: var(--text-heading);
      font-weight: 700;
      line-height: 1.3;
    }

    a {
      color: var(--cyan);
      text-decoration: none;
      transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, opacity 0.2s ease;
    }

    a:hover {
      color: #6FE4F5;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid var(--sand);
      outline-offset: 3px;
    }

    img {
      max-width: 100%;
      vertical-align: middle;
    }

    .container {
      max-width: 1180px;
    }

    .section {
      padding: clamp(3rem, 6vw, 5.5rem) 0;
    }

    .section-alt {
      background: rgba(10, 18, 36, 0.42);
    }

    .section-head {
      margin-bottom: 2.4rem;
    }

    .section-head .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      letter-spacing: 0.04em;
      color: var(--cyan);
      background: rgba(18, 216, 242, 0.1);
      border: 1px solid rgba(18, 216, 242, 0.22);
      border-radius: var(--radius-pill);
      padding: 5px 14px;
      margin-bottom: 12px;
    }

    .section-head .section-title {
      font-size: clamp(1.45rem, 2.6vw, 2.25rem);
      margin: 0 0 12px;
      letter-spacing: 0.01em;
    }

    .section-head .section-desc {
      color: var(--text-sub);
      font-size: 15px;
      max-width: 640px;
      margin: 0;
    }

    /* ---------- Header / Nav ---------- */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
    }

    .site-header .navbar {
      background: rgba(6, 10, 20, 0.76);
      -webkit-backdrop-filter: blur(16px) saturate(125%);
      backdrop-filter: blur(16px) saturate(125%);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 0;
      min-height: 72px;
    }

    @supports not (backdrop-filter: blur(1px)) {
      .site-header .navbar {
        background: rgba(9, 16, 32, 0.95);
      }
    }

    .navbar-brand {
      margin-right: 0;
    }

    .brand-block {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-icon {
      width: 42px;
      height: 42px;
      border-radius: 13px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(18, 216, 242, 0.1);
      border: 1px solid rgba(18, 216, 242, 0.28);
      box-shadow: 0 0 18px rgba(18, 216, 242, 0.12);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-name {
      color: var(--text-heading);
      font-weight: 800;
      font-size: 17px;
      white-space: nowrap;
      letter-spacing: 0.01em;
    }

    .brand-sub {
      color: var(--text-sub);
      font-size: 11px;
      letter-spacing: 0.06em;
      margin-top: 2px;
    }

    .navbar-nav .nav-link {
      color: #B9C4D9;
      font-size: 15px;
      font-weight: 500;
      padding: 0.6rem 1rem;
      margin: 0 2px;
      position: relative;
      border-radius: 12px;
      white-space: nowrap;
    }

    .navbar-nav .nav-link:hover {
      color: #EAF4FF;
      background: rgba(255, 255, 255, 0.04);
    }

    .navbar-nav .nav-link.active {
      color: var(--text-heading);
      background: rgba(18, 216, 242, 0.1);
    }

    .navbar-nav .nav-link.active::after {
      content: "";
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: 2px;
      height: 3px;
      width: 24px;
      border-radius: var(--radius-pill);
      background: linear-gradient(90deg, var(--cyan), var(--ocean));
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search-box {
      position: relative;
      display: none;
      align-items: center;
      margin-right: 6px;
    }

    .search-box .search-icon {
      position: absolute;
      left: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-sub);
      font-size: 14px;
      pointer-events: none;
    }

    .search-box input {
      width: 220px;
      height: 42px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.05);
      color: #EAF4FF;
      padding: 8px 18px 8px 38px;
      font-size: 14px;
      transition: border-color 0.2s, background 0.2s;
    }

    .search-box input::placeholder {
      color: var(--text-sub);
    }

    .search-box input:focus {
      outline: none;
      border-color: rgba(18, 216, 242, 0.65);
      background: rgba(18, 216, 242, 0.06);
    }

    .btn-header-login {
      display: inline-flex;
      align-items: center;
      color: #D7E1F5;
      border: 1px solid rgba(255, 255, 255, 0.14);
      background: rgba(255, 255, 255, 0.03);
      border-radius: 12px;
      padding: 8px 17px;
      font-size: 14px;
      font-weight: 500;
    }

    .btn-header-login:hover {
      color: var(--cyan);
      border-color: rgba(18, 216, 242, 0.7);
      background: rgba(18, 216, 242, 0.06);
    }

    .btn-header-enter {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #06121e;
      font-weight: 700;
      background: linear-gradient(120deg, var(--cyan), var(--ocean));
      border: 0;
      border-radius: 12px;
      padding: 9px 20px;
      font-size: 14px;
      box-shadow: 0 6px 20px rgba(18, 216, 242, 0.2);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-header-enter:hover {
      color: #06121e;
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow);
    }

    .navbar-toggler {
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: 12px;
      color: var(--cyan);
      padding: 8px 12px;
      font-size: 22px;
      box-shadow: none;
    }

    .navbar-toggler:focus {
      box-shadow: none;
    }

    @media (min-width: 992px) {
      .search-box {
        display: inline-flex;
      }
    }

    @media (max-width: 991.98px) {
      .site-header .navbar {
        padding: 12px 0;
      }
      .navbar-collapse {
        background: rgba(7, 12, 24, 0.97);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 20px;
        padding: 20px;
        margin-top: 12px;
        box-shadow: 0 26px 60px rgba(0, 0, 0, 0.5);
      }
      .navbar-nav {
        gap: 4px;
      }
      .header-actions {
        flex-direction: column;
        align-items: stretch;
        margin-top: 16px;
      }
      .navbar-nav .nav-link.active::after {
        left: 0;
        transform: none;
        bottom: auto;
        width: 3px;
        height: 20px;
        top: 50%;
        margin-top: -10px;
      }
    }

    @media (max-width: 575.98px) {
      .brand-sub {
        display: none;
      }
      .brand-name {
        font-size: 15px;
      }
    }

    /* ---------- Buttons / shared UI ---------- */
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border: 0;
      border-radius: 12px;
      font-weight: 700;
      color: #06121e;
      background: linear-gradient(120deg, var(--cyan), var(--ocean));
      box-shadow: var(--shadow-glow);
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      animation: glowPulse 1.5s ease-in-out infinite;
    }

    .btn-glow:hover {
      color: #06121e;
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(18, 216, 242, 0.45), 0 14px 40px rgba(18, 216, 242, 0.2);
    }

    .btn-glow:active {
      transform: translateY(0);
      box-shadow: 0 2px 12px rgba(18, 216, 242, 0.3);
    }

    .btn-glass,
    .glass-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 11px 22px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      background: rgba(255, 255, 255, 0.04);
      color: #E7EEFF;
      border-radius: 12px;
      font-weight: 500;
      transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
    }

    .btn-glass:hover {
      color: var(--cyan);
      border-color: rgba(18, 216, 242, 0.75);
      background: rgba(18, 216, 242, 0.08);
      transform: translateY(-2px);
    }

    .ghost-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--text-body);
      font-weight: 500;
    }

    .ghost-link i {
      transition: transform 0.2s ease;
    }

    .ghost-link:hover {
      color: var(--cyan);
    }

    .ghost-link:hover i {
      transform: translateX(4px);
    }

    @keyframes glowPulse {
      0%, 100% {
        box-shadow: 0 0 18px rgba(18, 216, 242, 0.3), 0 4px 20px rgba(18, 216, 242, 0.12);
      }
      50% {
        box-shadow: 0 0 26px rgba(18, 216, 242, 0.5), 0 8px 32px rgba(18, 216, 242, 0.2);
      }
    }

    /* ---------- Category Banner ---------- */
    .cat-hero {
      position: relative;
      padding: clamp(3.6rem, 7vw, 6.2rem) 0;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, 0.07);
      background: linear-gradient(180deg, #07101F 0%, #0B1528 100%);
    }

    .cat-hero-bg {
      position: absolute;
      inset: 0;
      z-index: 0;
      background:
        linear-gradient(180deg, rgba(6, 10, 20, 0.94), rgba(6, 10, 20, 0.86)),
        linear-gradient(92deg, rgba(18, 216, 242, 0.04), transparent 45%),
        url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
    }

    .cat-hero-bg::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
      background-size: 56px 56px;
      -webkit-mask-image: radial-gradient(70% 70% at 50% 20%, #000, transparent 90%);
      mask-image: radial-gradient(70% 70% at 50% 20%, #000, transparent 90%);
      pointer-events: none;
    }

    .cat-hero .container {
      position: relative;
      z-index: 2;
    }

    .cat-breadcrumb {
      display: inline-flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-sub);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-pill);
      padding: 5px 14px 5px 10px;
      margin-bottom: 20px;
    }

    .cat-breadcrumb i {
      color: var(--cyan);
    }

    .cat-breadcrumb a {
      color: #9FC9E8;
    }

    .cat-breadcrumb a:hover {
      color: var(--cyan);
    }

    .cat-breadcrumb .sep {
      color: var(--text-muted);
      font-size: 12px;
    }

    .cat-hero h1 {
      margin: 0 0 18px;
      font-size: clamp(1.75rem, 3.6vw, 2.9rem);
      font-weight: 800;
      letter-spacing: 0.01em;
    }

    .cat-hero h1 .grad-text {
      background: linear-gradient(90deg, #FFFFFF, #A8EFFB 60%, #57D7F0);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .cat-hero-desc {
      max-width: 660px;
      font-size: 16px;
      color: #C6D1E4;
      margin-bottom: 26px;
    }

    .cat-hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .tag-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--text-body);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-pill);
      padding: 6px 13px;
    }

    .tag-item i {
      color: var(--sand);
      font-size: 13px;
    }

    .cat-hero-side {
      display: flex;
      justify-content: flex-end;
    }

    @media (max-width: 991.98px) {
      .cat-hero-side {
        justify-content: flex-start;
        margin-top: 26px;
      }
    }

    /* ---------- Metrics strip ---------- */
    .metrics-strip {
      margin-top: -28px;
      position: relative;
      z-index: 5;
    }

    .metrics-bar {
      background: rgba(16, 28, 52, 0.72);
      -webkit-backdrop-filter: blur(18px) saturate(120%);
      backdrop-filter: blur(18px) saturate(120%);
      border: 1px solid rgba(255, 255, 255, 0.09);
      border-radius: 22px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.24);
      padding: 18px 28px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px 18px;
    }

    .metric-item {
      flex: 1 1 180px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding: 8px 6px;
    }

    .metric-item + .metric-item {
      border-left: 1px solid rgba(255, 255, 255, 0.08);
    }

    .m-number {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-heading);
      line-height: 1.2;
      letter-spacing: 0.02em;
    }

    .m-number em {
      font-style: normal;
      color: var(--cyan);
    }

    .m-label {
      margin-top: 4px;
      color: var(--text-sub);
      font-size: 13px;
    }

    @media (max-width: 767.98px) {
      .metrics-bar {
        flex-direction: column;
      }
      .metric-item {
        flex-basis: auto;
        width: 100%;
        flex-direction: row;
        justify-content: center;
        gap: 10px;
      }
      .metric-item + .metric-item {
        border-left: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
      }
      .m-number {
        font-size: 22px;
      }
      .m-label {
        margin-top: 0;
      }
    }

    /* ---------- Glass cards / shared card ---------- */
    .glass-card {
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      -webkit-backdrop-filter: blur(14px) saturate(120%);
      backdrop-filter: blur(14px) saturate(120%);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }

    @supports not (backdrop-filter: blur(1px)) {
      .glass-card {
        background: rgba(9, 16, 32, 0.94);
      }
    }

    .glass-card:hover {
      border-color: rgba(18, 216, 242, 0.35);
      box-shadow: var(--shadow-hover);
    }

    /* ---------- Timeline / dynamic overview ---------- */
    .dynamic-layout {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 24px;
      align-items: start;
    }

    .timeline-rail {
      background: rgba(10, 18, 36, 0.62);
      border: 1px solid rgba(255, 255, 255, 0.07);
      border-radius: 20px;
      padding: 10px;
      position: sticky;
      top: 96px;
    }

    .rail-heading {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--text-heading);
      font-weight: 700;
      font-size: 15px;
      padding: 12px 14px 8px;
    }

    .rail-heading i {
      color: var(--cyan);
    }

    .rail-item {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      padding: 13px 14px;
      border-radius: 14px;
      color: var(--text-body);
      position: relative;
      transition: background 0.2s ease;
    }

    .rail-item:hover {
      background: rgba(255, 255, 255, 0.04);
    }

    .rail-item.active {
      background: linear-gradient(90deg, rgba(18, 216, 242, 0.14), rgba(18, 216, 242, 0.03));
    }

    .rail-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: #4B5872;
      flex: 0 0 9px;
      margin-top: 10px;
      box-shadow: 0 0 0 3px rgba(75, 88, 114, 0.2);
    }

    .rail-item.active .rail-dot {
      background: var(--cyan);
      box-shadow: 0 0 0 3px rgba(18, 216, 242, 0.24), 0 0 14px rgba(18, 216, 242, 0.7);
    }

    .rail-time {
      font-size: 13px;
      font-weight: 700;
      color: #EAF1FF;
      display: block;
      line-height: 1.4;
    }

    .rail-note {
      font-size: 12px;
      color: var(--text-sub);
      display: block;
      margin-top: 2px;
    }

    .rail-type {
      margin-left: auto;
      font-size: 11px;
      background: rgba(255, 255, 255, 0.08);
      color: #AAB7D0;
      border-radius: 999px;
      padding: 3px 9px;
      white-space: nowrap;
    }

    .update-spotlight {
      background: rgba(16, 28, 52, 0.62);
      border: 1px solid rgba(255, 255, 255, 0.09);
      border-radius: 24px;
      box-shadow: var(--shadow-card);
      overflow: hidden;
      -webkit-backdrop-filter: blur(14px) saturate(120%);
      backdrop-filter: blur(14px) saturate(120%);
    }

    .spot-head {
      display: flex;
      gap: 14px;
      padding: 26px 28px 16px;
      align-items: center;
      border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    }

    .spot-icon {
      width: 50px;
      height: 50px;
      border-radius: 16px;
      background: linear-gradient(130deg, rgba(18, 216, 242, 0.2), rgba(61, 126, 255, 0.14));
      border: 1px solid rgba(18, 216, 242, 0.24);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--cyan);
      font-size: 26px;
    }

    .spot-title {
      color: var(--text-heading);
      font-weight: 800;
      font-size: 17px;
    }

    .spot-tag {
      color: var(--text-sub);
      font-size: 13px;
    }

    .dynamic-items {
      padding: 6px 10px;
    }

    .dynamic-item {
      display: flex;
      gap: 14px;
      padding: 20px 16px;
      border-radius: 16px;
      transition: background 0.2s ease;
    }

    .dynamic-item:hover {
      background: rgba(255, 255, 255, 0.045);
    }

    .dynamic-item + .dynamic-item {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .dy-date-badge {
      flex: 0 0 66px;
      min-height: 66px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #D7E1F5;
      font-weight: 700;
      line-height: 1.2;
      font-size: 15px;
      align-self: flex-start;
    }

    .dy-date-badge span {
      font-size: 11px;
      font-weight: 400;
      color: var(--text-sub);
    }

    .dy-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--cyan);
      margin-top: 30px;
      display: none;
    }

    .dy-content {
      flex: 1;
    }

    .badge-tag {
      display: inline-flex;
      align-items: center;
      font-size: 12px;
      color: var(--cyan);
      background: rgba(18, 216, 242, 0.1);
      border: 1px solid rgba(18, 216, 242, 0.24);
      border-radius: 999px;
      padding: 3px 11px;
      margin-bottom: 7px;
    }

    .badge-tag.gold {
      color: var(--sand);
      background: rgba(255, 198, 92, 0.1);
      border-color: rgba(255, 198, 92, 0.25);
    }

    .badge-tag.sand {
      color: #B2C9E8;
      background: rgba(255, 255, 255, 0.06);
      border-color: rgba(255, 255, 255, 0.14);
    }

    .dy-content h4 {
      font-size: 17px;
      font-weight: 700;
      margin: 2px 0 6px;
      color: var(--text-heading);
    }

    .dy-content p {
      color: var(--text-sub);
      font-size: 14px;
      line-height: 1.75;
      margin-bottom: 10px;
    }

    .dy-more {
      color: var(--cyan);
      font-size: 13px;
      font-weight: 500;
    }

    .dy-more i {
      transition: transform 0.2s ease;
    }

    .dy-more:hover i {
      transform: translateX(4px);
    }

    @media (max-width: 991.98px) {
      .dynamic-layout {
        grid-template-columns: 1fr;
      }
      .timeline-rail {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        padding: 14px;
      }
      .rail-heading {
        width: 100%;
        padding: 2px 6px 6px;
      }
      .rail-item {
        flex: 1 1 130px;
        padding: 10px 12px;
        border-radius: 12px;
      }
      .rail-type {
        display: none;
      }
    }

    @media (max-width: 575.98px) {
      .dynamic-item {
        flex-direction: column;
      }
      .dy-date-badge {
        width: 60px;
        min-height: 54px;
      }
    }

    /* ---------- Feature cards ---------- */
    .feature-card {
      padding: 24px;
      height: 100%;
      border-radius: 20px;
      background: rgba(16, 28, 52, 0.56);
      border: 1px solid rgba(255, 255, 255, 0.08);
      position: relative;
      overflow: hidden;
      transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
    }

    .feature-card::before {
      content: "";
      position: absolute;
      top: -30px;
      right: -30px;
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: rgba(18, 216, 242, 0.06);
      filter: blur(10px);
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(18, 216, 242, 0.5);
      box-shadow: var(--shadow-hover);
    }

    .feature-icon {
      width: 52px;
      height: 52px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      color: var(--cyan);
      background: rgba(18, 216, 242, 0.1);
      border: 1px solid rgba(18, 216, 242, 0.2);
      margin-bottom: 18px;
    }

    .feature-icon.gold {
      color: var(--sand);
      background: rgba(255, 198, 92, 0.1);
      border-color: rgba(255, 198, 92, 0.2);
    }

    .feature-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-heading);
      margin-bottom: 10px;
    }

    .feature-card p {
      color: var(--text-sub);
      font-size: 14px;
      margin-bottom: 0;
      line-height: 1.75;
    }

    /* ---------- Media cards / Focus topics ---------- */
    .media-card {
      display: flex;
      flex-direction: column;
      background: rgba(16, 28, 52, 0.56);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 22px;
      overflow: hidden;
      height: 100%;
      text-decoration: none;
      transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
    }

    .media-card:hover {
      transform: translateY(-4px);
      border-color: rgba(18, 216, 242, 0.45);
      box-shadow: var(--shadow-hover);
    }

    .media-cover {
      position: relative;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: linear-gradient(130deg, #0B172A, #10203E);
    }

    .media-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.35s ease;
    }

    .media-card:hover .media-cover img {
      transform: scale(1.04);
    }

    .media-cover .cover-mask {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 45%, rgba(7, 12, 24, 0.45));
    }

    .media-badge {
      position: absolute;
      left: 12px;
      top: 12px;
      background: rgba(6, 10, 20, 0.75);
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 999px;
      padding: 4px 12px;
      color: #BFEFF8;
      font-size: 12px;
      z-index: 1;
    }

    .media-body {
      padding: 16px 18px 18px;
    }

    .media-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 12px;
      color: var(--text-sub);
      margin-bottom: 8px;
    }

    .media-meta i {
      color: var(--sand);
    }

    .media-meta spam {
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .media-body h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-heading);
    }

    .media-body p {
      font-size: 14px;
      color: var(--text-sub);
      margin-bottom: 12px;
      line-height: 1.7;
    }

    .media-more {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--cyan);
      font-weight: 600;
    }

    /* ---------- Journey strip ---------- */
    .journey-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 20px;
      position: relative;
    }

    .journey-step {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 18px;
      padding: 18px 16px;
      display: flex;
      align-items: center;
      gap: 14px;
      transition: background 0.2s ease, border-color 0.2s ease;
    }

    .journey-step:hover {
      background: rgba(18, 216, 242, 0.08);
      border-color: rgba(18, 216, 242, 0.4);
    }

    .step-num {
      width: 38px;
      height: 38px;
      border-radius: 13px;
      background: linear-gradient(130deg, rgba(18, 216, 242, 0.18), rgba(61, 126, 255, 0.1));
      border: 1px solid rgba(18, 216, 242, 0.2);
      color: var(--cyan);
      font-weight: 800;
      font-size: 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 38px;
    }

    .journey-step .step-text {
      color: var(--text-body);
      font-size: 14px;
      font-weight: 600;
      line-height: 1.35;
    }

    .journey-step .step-text small {
      display: block;
      font-weight: 400;
      color: var(--text-sub);
      font-size: 12px;
      margin-top: 2px;
    }

    @media (max-width: 991.98px) {
      .journey-row {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 575.98px) {
      .journey-row {
        grid-template-columns: 1fr;
      }
    }

    /* ---------- FAQ ---------- */
    .faq-layout {
      display: grid;
      grid-template-columns: 1fr 1.5fr;
      gap: 28px;
      align-items: start;
    }

    .faq-intro {
      background: rgba(16, 28, 52, 0.45);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 22px;
      padding: 28px;
      height: 100%;
    }

    .faq-intro .faq-intro-label {
      color: var(--sand);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.04em;
    }

    .faq-intro h3 {
      font-size: 24px;
      margin: 10px 0 14px;
      color: var(--text-heading);
    }

    .faq-intro p {
      color: var(--text-sub);
      font-size: 15px;
      margin-bottom: 24px;
    }

    .faq-intro .check-line {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--text-body);
      font-size: 14px;
      margin-bottom: 12px;
    }

    .faq-intro .check-line i {
      color: var(--success);
      font-size: 17px;
    }

    .accordion.custom-accordion .accordion-item {
      background: rgba(15, 27, 50, 0.55);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 18px;
      margin-bottom: 14px;
      overflow: hidden;
      -webkit-backdrop-filter: blur(8px);
      backdrop-filter: blur(8px);
    }

    .accordion.custom-accordion .accordion-button {
      background: transparent;
      color: #EAF1FF;
      font-weight: 600;
      font-size: 16px;
      padding: 20px 22px;
      min-height: 56px;
      box-shadow: none;
      border-radius: 18px;
    }

    .accordion.custom-accordion .accordion-button:hover {
      color: var(--cyan);
    }

    .accordion.custom-accordion .accordion-button:not(.collapsed) {
      color: var(--cyan);
      background: rgba(18, 216, 242, 0.06);
    }

    .accordion.custom-accordion .accordion-button:focus {
      box-shadow: none;
    }

    .accordion.custom-accordion .accordion-button::after {
      font-family: "bootstrap-icons";
      content: "\F282";
      background-image: none;
      color: var(--cyan);
      font-size: 20px;
      transform: none;
      width: 22px;
      height: 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.2s ease;
    }

    .accordion.custom-accordion .accordion-button:not(.collapsed)::after {
      content: "\F286";
      transform: rotate(0deg);
    }

    .accordion.custom-accordion .accordion-body {
      padding: 0 22px 20px;
      color: #A9B6CE;
      font-size: 15px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      margin: 0 0 0;
    }

    .accordion.custom-accordion .accordion-body p {
      margin-top: 14px;
    }

    @media (max-width: 991.98px) {
      .faq-layout {
        grid-template-columns: 1fr;
        gap: 18px;
      }
      .faq-intro {
        height: auto;
      }
    }

    /* ---------- CTA ---------- */
    .cta-section {
      position: relative;
      padding: clamp(3rem, 5vw, 4.6rem) 0;
    }

    .cta-panel {
      position: relative;
      border-radius: 32px;
      overflow: hidden;
      padding: clamp(2.2rem, 5vw, 4.2rem);
      background:
        linear-gradient(180deg, rgba(6, 10, 20, 0.93), rgba(6, 10, 20, 0.82)),
        linear-gradient(90deg, rgba(18, 216, 242, 0.06), transparent 60%),
        url("/assets/images/backpic/back-3.png") center / cover no-repeat;
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      width: 180px;
      height: 180px;
      right: -60px;
      bottom: -60px;
      border-radius: 50%;
      background: rgba(18, 216, 242, 0.08);
      filter: blur(30px);
      pointer-events: none;
    }

    .cta-panel .cta-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.5fr auto;
      gap: 30px;
      align-items: center;
    }

    .cta-title {
      font-size: clamp(1.6rem, 3vw, 2.5rem);
      font-weight: 800;
      margin-bottom: 14px;
    }

    .cta-text {
      color: #B9C4D9;
      font-size: 16px;
      max-width: 600px;
      margin-bottom: 18px;
    }

    .cta-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 10px;
    }

    .cta-tags span {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 999px;
      padding: 7px 15px;
      color: #D6E2F5;
      font-size: 13px;
    }

    .cta-tags span i {
      color: var(--sand);
      margin-right: 5px;
    }

    .cta-action {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
      min-width: 200px;
    }

    .cta-action .ghost-link {
      font-size: 14px;
    }

    @media (max-width: 991.98px) {
      .cta-panel .cta-inner {
        grid-template-columns: 1fr;
      }
      .cta-action {
        align-items: flex-start;
      }
    }

    /* ---------- Footer ---------- */
    .site-footer {
      background: #040810;
      border-top: 1px solid rgba(255, 255, 255, 0.07);
      padding: 56px 0 0;
      color: #8A95AD;
      font-size: 14px;
      position: relative;
      z-index: 1;
    }

    .site-footer .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 36px;
      padding-bottom: 38px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text-heading);
      font-weight: 800;
      font-size: 18px;
      margin-bottom: 14px;
    }

    .footer-desc {
      color: #7C89A5;
      font-size: 14px;
      max-width: 320px;
      margin-bottom: 0;
      line-height: 1.8;
    }

    .site-footer h4 {
      color: #DCE6FA;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: #7E8AA3;
      font-size: 14px;
      width: fit-content;
      transition: color 0.2s ease, transform 0.2s ease;
    }

    .footer-links a:hover {
      color: var(--cyan);
      transform: translateX(3px);
    }

    .footer-news-list {
      list-style: none;
      padding: 0;
      margin: 0;
      color: #7E8AA3;
      font-size: 14px;
      display: grid;
      gap: 8px;
    }

    .footer-news-list li::before {
      content: "◆";
      color: var(--cyan);
      font-size: 9px;
      margin-right: 10px;
      opacity: 0.8;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 22px 0 24px;
      color: #59657B;
      font-size: 13px;
      text-align: center;
    }

    .footer-bottom .domain-text {
      margin-left: 6px;
      opacity: 0.7;
      font-size: 12px;
    }

    @media (max-width: 991.98px) {
      .site-footer .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }
    }

    @media (max-width: 575.98px) {
      .site-footer .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-desc {
        max-width: 100%;
      }
    }