/* roulang page: index */
:root{
  --ink-950:#050a12;
  --ink-900:#07111f;
  --ink-800:#0b1a2c;
  --ink-700:#10243a;
  --line:rgba(125,211,252,.16);
  --line-strong:rgba(125,211,252,.32);
  --text:#eaf4fb;
  --muted:#93a9bb;
  --primary:#5ce1e6;
  --primary-deep:#2bb8c9;
  --accent:#ffb45c;
  --accent-hot:#ff7a59;
  --ok:#63e6a8;
  --danger:#ff6b7a;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-glow:0 12px 32px -12px rgba(92,225,230,.45);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--ink-950);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(circle at 18% 0%,rgba(43,184,201,.14),transparent 46%),
    radial-gradient(circle at 82% 12%,rgba(255,180,92,.07),transparent 42%),
    var(--ink-950);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(125,211,252,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,211,252,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 30%,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 30%,rgba(0,0,0,.9),transparent 78%);
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:#9af2f5;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.28;font-weight:700;letter-spacing:.2px;}
h1{font-weight:800;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-wide{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-sm{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(1.55rem,3vw,2.35rem);}
.section-head p{color:var(--muted);margin:0;font-size:15px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;color:var(--primary);
  text-transform:uppercase;margin-bottom:16px;
}
.eyebrow::before{
  content:"";width:22px;height:1px;background:var(--primary);opacity:.7;
}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,10,18,.62);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(125,211,252,.08);
  transition:background .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.site-header.is-stuck{
  background:rgba(6,15,26,.96);
  border-bottom-color:var(--line);
  box-shadow:0 14px 34px -26px rgba(0,0,0,.95);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:72px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(150deg,rgba(92,225,230,.95),rgba(43,184,201,.55));
  display:grid;place-items:center;
  box-shadow:0 0 0 1px rgba(92,225,230,.35),0 10px 24px -14px rgba(92,225,230,.9);
  position:relative;
}
.brand-mark::before{
  content:"";width:12px;height:12px;border-radius:50%;
  background:var(--ink-950);box-shadow:0 0 0 4px rgba(5,10,18,.55);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:50%;
  border:1px solid rgba(5,10,18,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.4px;white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.28em;margin-top:3px;}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  background:rgba(11,26,44,.7);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px;
}
.nav-pill a{
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:999px;
  font-size:14px;color:#c3d5e2;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-pill a:hover{color:var(--text);background:rgba(125,211,252,.09);}
.nav-pill a.active{
  color:var(--ink-950);font-weight:700;
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  box-shadow:0 8px 20px -12px rgba(92,225,230,.9);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;
  border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  color:#04212a;
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
  color:#04212a;transform:translateY(-2px);
  box-shadow:0 16px 38px -14px rgba(92,225,230,.75);
}
.btn-ghost{
  color:var(--text);
  background:rgba(11,26,44,.6);
  border-color:var(--line-strong);
}
.btn-ghost:hover{
  color:var(--text);border-color:rgba(92,225,230,.55);
  background:rgba(16,36,58,.85);transform:translateY(-2px);
}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.btn:disabled,.btn.disabled{opacity:.5;box-shadow:none;cursor:not-allowed;transform:none;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:rgba(11,26,44,.7);border:1px solid var(--line);
  color:var(--text);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:1040;
  background:rgba(5,10,18,.97);
  backdrop-filter:blur(18px);
  display:none;flex-direction:column;
  padding:22px 22px 32px;
}
.mobile-drawer.open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(11,26,44,.8);color:var(--text);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:flex;align-items:center;gap:12px;
  min-height:52px;padding:12px 16px;border-radius:12px;
  color:#cfdee9;font-size:16px;border-left:3px solid transparent;
}
.drawer-nav a.active{
  color:var(--primary);font-weight:700;
  background:rgba(92,225,230,.08);
  border-left-color:var(--primary);
}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--line);}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:76px 0 56px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(180deg,rgba(5,10,18,.86),rgba(5,10,18,.96)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.9;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 76% 44%,rgba(92,225,230,.13),transparent 52%);
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:52px;align-items:center;
}
.hero h1{
  font-size:clamp(2.1rem,4.2vw,3.4rem);
  margin-bottom:20px;
  letter-spacing:-.4px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(110deg,var(--primary),#a9f7f2 55%,var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  font-size:16.5px;color:#b9cbd9;max-width:560px;
  margin-bottom:26px;line-height:1.85;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  padding-top:20px;border-top:1px solid var(--line);
}
.hero-facts li{
  list-style:none;display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);
}
.hero-facts li::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 3px rgba(92,225,230,.16);
}
.hero-facts{padding-left:0;margin:0;}

.glass-card{
  background:rgba(11,26,44,.66);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.hero-card{padding:26px;}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;
  color:var(--accent);
  background:rgba(255,180,92,.12);
  border:1px solid rgba(255,180,92,.32);
}
.status-badge::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px rgba(255,180,92,.16);
}
.hero-card-head .tag-mini{
  font-size:12px;color:var(--muted);letter-spacing:.1em;
}
.hero-card-cover{
  border-radius:var(--radius-sm);overflow:hidden;
  margin-bottom:18px;border:1px solid var(--line);
}
.hero-card-cover img{width:100%;height:148px;object-fit:cover;}
.card-list{list-style:none;margin:0;padding:0;}
.card-list li{
  display:flex;justify-content:space-between;gap:16px;
  padding:11px 0;border-bottom:1px dashed rgba(125,211,252,.14);
  font-size:14px;
}
.card-list li:last-child{border-bottom:none;padding-bottom:0;}
.card-list .k{color:var(--muted);}
.card-list .v{color:var(--text);font-weight:600;text-align:right;}

/* ============ COUNTDOWN BAND ============ */
.band{padding:0 0 8px;}
.band-inner{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:20px;
  padding:22px 26px;
  border-radius:var(--radius-md);
  background:rgba(11,26,44,.66);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.band-label{display:flex;flex-direction:column;gap:4px;}
.band-label strong{font-size:15px;letter-spacing:.02em;}
.band-label span{font-size:13px;color:var(--muted);}
.band-slots{display:flex;gap:10px;flex-wrap:wrap;}
.slot{
  min-width:78px;padding:10px 12px;text-align:center;
  border-radius:12px;background:rgba(5,10,18,.72);
  border:1px solid rgba(255,180,92,.22);
}
.slot b{
  display:block;font-size:20px;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;
}
.slot small{font-size:11.5px;color:var(--muted);letter-spacing:.1em;}
.band-side{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.band-note{font-size:12.5px;color:var(--muted);max-width:210px;line-height:1.6;}

/* ============ SELLING POINTS ============ */
.point-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.point-main{
  grid-column:span 2;
  padding:0;overflow:hidden;
  background:linear-gradient(160deg,var(--ink-800),var(--ink-700));
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.point-main:hover,.point-card:hover{
  transform:translateY(-4px);
  border-color:rgba(92,225,230,.4);
  box-shadow:0 22px 46px -30px rgba(92,225,230,.6);
}
.point-main figure{margin:0;overflow:hidden;}
.point-main img{width:100%;height:210px;object-fit:cover;transition:transform .3s ease;}
.point-main:hover img{transform:scale(1.03);}
.point-main .body{padding:24px 26px 26px;}
.point-card{
  padding:24px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.point-card .ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(92,225,230,.1);border:1px solid rgba(92,225,230,.26);
  color:var(--primary);font-size:18px;margin-bottom:16px;
}
.point-card h3{font-size:1.12rem;margin-bottom:8px;}
.point-card p{color:var(--muted);font-size:14px;margin-bottom:16px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--primary);
  margin-top:auto;
}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover span{transform:translateX(4px);}
.checkline{list-style:none;margin:0 0 18px;padding:0;}
.checkline li{
  position:relative;padding-left:20px;font-size:14px;color:#bacddb;margin-bottom:8px;
}
.checkline li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:2px;
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
}

/* ============ WALL ============ */
.wall{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:158px;
  gap:16px;
}
.wall-item{
  position:relative;overflow:hidden;border-radius:var(--radius-md);
  border:1px solid var(--line);display:block;
  background:var(--ink-800);
}
.wall-item:nth-child(1){grid-column:span 2;grid-row:span 2;}
.wall-item:nth-child(2){grid-column:span 2;}
.wall-item:nth-child(5){grid-column:span 2;}
.wall-item:nth-child(6){grid-column:span 2;}
.wall-item img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.wall-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,18,.05) 30%,rgba(5,10,18,.88) 100%);
  transition:background .3s ease;
}
.wall-item:hover img{transform:scale(1.04);}
.wall-item:hover::after{background:linear-gradient(180deg,rgba(5,10,18,.28) 20%,rgba(5,10,18,.94) 100%);}
.wall-cap{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
}
.wall-cap .badge-soft{margin-bottom:7px;}
.wall-cap h3{font-size:15px;margin:0;color:#fff;font-weight:700;}
.wall-cap .see{
  display:block;font-size:12.5px;color:var(--primary);
  opacity:0;transform:translateY(6px);transition:opacity .25s ease,transform .25s ease;
  margin-top:4px;
}
.wall-item:hover .see{opacity:1;transform:translateY(0);}
.badge-soft{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:11.5px;font-weight:600;letter-spacing:.04em;
  color:#a7f0f2;background:rgba(92,225,230,.12);
  border:1px solid rgba(92,225,230,.26);
}

/* ============ CTA FORM ============ */
.cta-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;
  padding:44px;
  border-radius:var(--radius-lg);
  background:rgba(11,26,44,.7);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;width:320px;height:320px;right:-120px;top:-140px;
  border-radius:50%;border:1px solid rgba(92,225,230,.18);
}
.cta-panel h2{font-size:clamp(1.5rem,2.6vw,2.05rem);}
.cta-panel .sub{color:var(--muted);font-size:14.5px;line-height:1.85;max-width:420px;}
.cta-points{list-style:none;padding:0;margin:22px 0 0;}
.cta-points li{
  display:flex;gap:10px;font-size:14px;color:#b9cbd9;margin-bottom:10px;
}
.cta-points li i{
  color:var(--ok);font-style:normal;font-weight:800;line-height:1.4;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-field{display:flex;flex-direction:column;gap:7px;}
.form-field.full{grid-column:1/-1;}
.form-field label{font-size:13.5px;color:#c6d6e2;font-weight:600;}
.form-field .req{color:var(--accent-hot);}
.form-control-x{
  min-height:46px;width:100%;
  padding:11px 14px;border-radius:12px;
  background:rgba(5,10,18,.78);
  border:1px solid rgba(125,211,252,.2);
  color:var(--text);font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-control-x::placeholder{color:#6f859a;}
.form-control-x:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(92,225,230,.16);
  background:rgba(5,10,18,.92);
}
select.form-control-x{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.form-check-x{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7;}
.form-check-x input{margin-top:4px;width:16px;height:16px;accent-color:var(--primary-deep);flex-shrink:0;}
.err-msg{font-size:12.5px;color:var(--accent-hot);display:none;}
.err-msg.show{display:block;}
.form-hint{font-size:12.5px;color:#7e93a6;grid-column:1/-1;margin:2px 0 0;}
.form-success{
  display:none;grid-column:1/-1;
  padding:12px 16px;border-radius:12px;font-size:14px;
  background:rgba(99,230,168,.1);border:1px solid rgba(99,230,168,.34);color:#9ff3c6;
}
.form-success.show{display:block;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px;align-items:start;}
.faq-side{position:sticky;top:104px;}
.faq-side h2{font-size:clamp(1.55rem,3vw,2.2rem);}
.faq-side p{color:var(--muted);font-size:14.5px;line-height:1.85;}
.accordion-x .accordion-item{
  background:transparent;border:none;
  border-bottom:1px solid rgba(125,211,252,.14);
}
.accordion-x .accordion-item:last-child{border-bottom:none;}
.accordion-x .accordion-button{
  background:transparent;color:var(--text);
  font-size:15.5px;font-weight:700;line-height:1.6;
  padding:20px 44px 20px 18px;border-radius:10px;
  box-shadow:none;position:relative;
}
.accordion-x .accordion-button::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  border-radius:3px;background:transparent;transition:background .2s ease;
}
.accordion-x .accordion-button:not(.collapsed){color:var(--primary);}
.accordion-x .accordion-button:not(.collapsed)::before{background:var(--primary);}
.accordion-x .accordion-button:focus{box-shadow:none;outline:none;}
.accordion-x .accordion-button:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;}
.accordion-x .accordion-button::after{
  content:"";position:absolute;right:16px;top:50%;
  width:14px;height:14px;margin:0;transform:translateY(-50%);
  background:none;border:none;
  background-image:linear-gradient(var(--primary),var(--primary)),linear-gradient(var(--primary),var(--primary));
  background-size:14px 2px,2px 14px;
  background-position:center,center;
  background-repeat:no-repeat;
  transition:transform .22s ease,background-size .22s ease;
}
.accordion-x .accordion-button:not(.collapsed)::after{
  background-size:14px 2px,0 0;
  transform:translateY(-50%) rotate(180deg);
}
.accordion-x .accordion-body{
  padding:0 44px 22px 18px;color:var(--muted);
  font-size:14.5px;line-height:1.9;
}
.accordion-x .accordion-body ul{margin-bottom:0;padding-left:1.1em;}
.accordion-x .accordion-body li{margin-bottom:6px;}

/* ============ NEWS LIST ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-card{
  display:flex;flex-direction:column;
  padding:24px 26px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{
  transform:translateY(-3px);
  border-color:rgba(92,225,230,.4);
  box-shadow:0 22px 44px -32px rgba(92,225,230,.65);
}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;}
.news-meta time{font-size:12.5px;color:#7e93a6;font-variant-numeric:tabular-nums;}
.news-card h3{font-size:1.05rem;line-height:1.55;margin-bottom:10px;}
.news-card h3 a{color:var(--text);}
.news-card h3 a:hover{color:var(--primary);}
.news-card p{
  color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  grid-column:1/-1;
  text-align:center;padding:52px 24px;
  border:1px dashed rgba(125,211,252,.24);
  border-radius:var(--radius-md);
  background:rgba(11,26,44,.5);
}
.empty-state .ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(92,225,230,.08);border:1px solid rgba(92,225,230,.24);
  color:var(--primary);font-size:22px;
}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:18px;}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:24px;
  background:#040912;
  border-top:1px solid var(--line);
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(125,211,252,.1);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-name{font-size:16.5px;}
.footer-desc{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:300px;}
.footer-thumb{
  width:88px;height:52px;border-radius:10px;object-fit:cover;
  margin-top:18px;border:1px solid var(--line);
}
.footer-col h4{
  font-size:13px;letter-spacing:.16em;color:#9db3c5;
  font-weight:700;margin-bottom:16px;text-transform:uppercase;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:13.5px;color:#a4bacb;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;padding-top:22px;
  font-size:12.5px;color:#6d8397;
}
.footer-bottom .sep{opacity:.4;margin:0 8px;}

/* ============ RESPONSIVE ============ */
@media (max-width:1199px){
  .hero-grid{gap:36px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .hero{padding:52px 0 44px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .nav-pill{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .point-grid{grid-template-columns:repeat(2,1fr);}
  .point-main{grid-column:span 2;}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;}
  .wall-item:nth-child(1){grid-column:span 2;grid-row:span 2;}
  .wall-item:nth-child(2),.wall-item:nth-child(5),.wall-item:nth-child(6){grid-column:span 1;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .faq-side{position:static;}
  .cta-panel{grid-template-columns:1fr;gap:30px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .news-grid{grid-template-columns:1fr;}
  .band-inner{padding:20px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:575px){
  .container-x,.container-wide{padding:0 18px;}
  .section{padding:52px 0;}
  .hero h1{font-size:1.92rem;}
  .hero-lead{font-size:15px;}
  .point-grid{grid-template-columns:1fr;}
  .point-main{grid-column:span 1;}
  .point-main img{height:176px;}
  .wall{grid-template-columns:1fr;grid-auto-rows:170px;}
  .wall-item:nth-child(1),.wall-item:nth-child(2),.wall-item:nth-child(5),.wall-item:nth-child(6){grid-column:span 1;grid-row:span 1;}
  .cta-panel{padding:24px;}
  .hero-card{padding:20px;}
  .slot{min-width:66px;padding:9px 10px;}
  .slot b{font-size:17px;}
  .brand-name{font-size:15px;}
  .brand-sub{font-size:10px;}
  .btn{min-height:48px;}
  .news-card{padding:20px;}
}

/* roulang page: article */
:root{
  --ink-950:#050a12;
  --ink-900:#07111f;
  --ink-800:#0b1a2c;
  --ink-700:#10243a;
  --line:rgba(125,211,252,.16);
  --line-strong:rgba(125,211,252,.34);
  --text:#eaf4fb;
  --muted:#93a9bb;
  --primary:#5ce1e6;
  --primary-deep:#2bb8c9;
  --accent:#ffb45c;
  --accent-hot:#ff7a59;
  --ok:#63e6a8;
  --danger:#ff6b7a;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-glow:0 12px 34px -14px rgba(92,225,230,.45);
  --gap-section:88px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--ink-950);
  background-image:
    linear-gradient(rgba(125,211,252,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,211,252,.055) 1px,transparent 1px),
    radial-gradient(1200px 640px at 78% -12%,rgba(43,184,201,.16),transparent 62%),
    radial-gradient(900px 520px at 4% 8%,rgba(255,180,92,.06),transparent 60%);
  background-size:64px 64px,64px 64px,100% 100%,100% 100%;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:#8af3f6;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:.2px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container-wide{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,17,31,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{
  background:rgba(5,10,18,.96);
  border-bottom-color:var(--line);
  box-shadow:0 14px 36px -26px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:14px;height:14px;border-radius:50%;
  background:radial-gradient(circle at 34% 32%,#b6fbfd,var(--primary) 42%,var(--primary-deep) 78%);
  box-shadow:0 0 0 4px rgba(92,225,230,.12),0 0 16px rgba(92,225,230,.7);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:-7px;border-radius:50%;
  border:1px solid rgba(92,225,230,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.4px;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:2px;}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  margin:0 auto;
  padding:5px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(11,26,44,.6);
}
.nav-pill a{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:38px;padding:0 16px;
  border-radius:999px;
  color:var(--muted);font-size:14.5px;font-weight:500;
  white-space:nowrap;
}
.nav-pill a:hover{color:var(--text);background:rgba(92,225,230,.1);}
.nav-pill a.active{
  color:#04161a;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 6px 18px -10px rgba(92,225,230,.9);
  font-weight:700;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);
  background:rgba(11,26,44,.7);
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:rotate(45deg);top:0;}
body.nav-open .nav-toggle span::after{transform:rotate(-45deg);top:0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:700;
  cursor:pointer;text-align:center;
  transition:transform .18s ease,box-shadow .22s ease,background-color .22s ease,border-color .22s ease,color .22s ease;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:999px;}
.btn-primary{
  color:#04161a;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);color:#04161a;box-shadow:0 18px 40px -16px rgba(92,225,230,.7);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  color:var(--text);
  background:rgba(11,26,44,.56);
  border-color:var(--line-strong);
}
.btn-ghost:hover{transform:translateY(-2px);color:var(--text);border-color:var(--primary);background:rgba(16,36,58,.8);}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;color:var(--primary);font-weight:600;font-size:14.5px;
}
.btn-text .arw{transition:transform .2s ease;}
.btn-text:hover .arw{transform:translateX(4px);}

/* ---------- article shell ---------- */
.article-banner{
  position:relative;
  padding:46px 0 8px;
  background-image:linear-gradient(180deg,rgba(5,10,18,.86),rgba(5,10,18,.96)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(125,211,252,.1);
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:rgba(147,169,187,.5);}
.crumbs .cur{color:#d7e8f4;}

.tag-badge{
  display:inline-flex;align-items:center;gap:8px;
  min-height:30px;padding:0 14px;
  border-radius:999px;
  font-size:13px;font-weight:600;
  color:var(--primary);
  background:rgba(92,225,230,.1);
  border:1px solid rgba(92,225,230,.28);
}
.tag-badge.warm{color:var(--accent);background:rgba(255,180,92,.1);border-color:rgba(255,180,92,.3);}

.article-head{max-width:860px;padding-bottom:34px;}
.article-head h1{
  font-size:clamp(1.85rem,4.2vw,3rem);
  font-weight:800;line-height:1.34;
  margin:18px 0 20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:13.5px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(147,169,187,.6);}

/* ---------- layout ---------- */
.article-section{padding:56px 0 var(--gap-section);}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 268px;
  gap:44px;
  align-items:start;
}
.article-main{min-width:0;}

.cover-frame{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink-800);
  margin-bottom:34px;
  box-shadow:var(--shadow-card);
}
.cover-frame img{width:100%;aspect-ratio:16/9;object-fit:cover;}

.panel{
  background:linear-gradient(180deg,var(--ink-800),var(--ink-700));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  padding:28px;
}
.article-body-panel{padding:clamp(20px,3.2vw,44px);}

.article-body{font-size:17px;line-height:1.9;color:#dbe9f3;overflow-wrap:break-word;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  font-size:clamp(1.35rem,2.4vw,1.7rem);
  font-weight:700;line-height:1.5;
  margin:2em 0 .8em;
  padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 14px rgba(92,225,230,.55);
}
.article-body h3{font-size:1.18rem;font-weight:700;margin:1.7em 0 .6em;color:#eaf4fb;}
.article-body h4{font-size:1.04rem;font-weight:700;margin:1.4em 0 .5em;}
.article-body p{margin:0 0 1.1em;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.article-body strong{color:#fff;font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul > li{position:relative;padding-left:20px;margin-bottom:.6em;}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(92,225,230,.65);
}
.article-body ol{list-style:decimal;}
.article-body ol > li{margin-bottom:.6em;padding-left:4px;}
.article-body ol > li::marker{color:var(--primary);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  background:rgba(92,225,230,.06);
  color:#cfe4ef;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-sm);margin:1.6em 0;border:1px solid var(--line);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;border-bottom:1px solid rgba(125,211,252,.12);text-align:left;
}
.article-body th{background:rgba(92,225,230,.08);color:var(--text);font-weight:700;}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.article-body code{
  font-size:.92em;padding:2px 7px;border-radius:6px;
  background:rgba(92,225,230,.1);color:#a7f0f3;
}

/* ---------- toc ---------- */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.toc-card{
  background:rgba(11,26,44,.66);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 20px 14px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.toc-card h2{
  font-size:13px;letter-spacing:2px;color:var(--muted);
  font-weight:700;margin-bottom:14px;text-transform:uppercase;
}
.toc-list a{
  display:block;
  padding:8px 0 8px 14px;
  font-size:14px;color:#b9cdda;line-height:1.6;
  border-left:2px solid rgba(125,211,252,.16);
  transition:color .18s ease,border-color .18s ease,padding-left .18s ease;
}
.toc-list a:hover{color:var(--primary);border-left-color:var(--primary);padding-left:18px;}
.toc-list li.sub a{padding-left:26px;font-size:13.5px;color:var(--muted);}

.side-card{
  background:linear-gradient(180deg,var(--ink-800),var(--ink-700));
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
}
.side-card h2{font-size:15px;font-weight:700;margin-bottom:10px;}
.side-card p{font-size:13.5px;color:var(--muted);line-height:1.72;margin-bottom:16px;}

/* ---------- empty state ---------- */
.empty-box{
  text-align:center;padding:64px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-lg);
  background:rgba(11,26,44,.5);
}
.empty-box .emoji{
  width:56px;height:56px;margin:0 auto 18px;
  border-radius:50%;display:grid;place-items:center;
  background:rgba(92,225,230,.1);border:1px solid rgba(92,225,230,.3);
  color:var(--primary);font-size:22px;font-weight:800;
}
.empty-box h2{font-size:1.25rem;margin-bottom:10px;}
.empty-box p{color:var(--muted);font-size:14.5px;margin-bottom:22px;}

/* ---------- related ---------- */
.related-block{padding-top:56px;}
.section-head{margin-bottom:26px;}
.section-head h2{font-size:clamp(1.35rem,2.6vw,1.85rem);font-weight:700;}
.section-head p{color:var(--muted);font-size:14.5px;margin:10px 0 0;}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.related-card{
  display:flex;gap:16px;align-items:center;
  padding:16px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--ink-800),var(--ink-700));
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.related-card:hover{
  transform:translateY(-3px);
  border-color:rgba(92,225,230,.45);
  box-shadow:0 20px 40px -26px rgba(0,0,0,.95);
}
.related-card img{
  width:92px;height:72px;flex:0 0 auto;object-fit:cover;
  border-radius:12px;border:1px solid rgba(125,211,252,.14);
}
.related-card h3{font-size:15.5px;font-weight:700;line-height:1.55;color:var(--text);margin-bottom:6px;}
.related-card:hover h3{color:var(--primary);}
.related-card span{font-size:12.5px;color:var(--muted);}

.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}

/* ---------- cta ---------- */
.cta-panel{
  margin-top:56px;
  border-radius:var(--r-lg);
  border:1px solid rgba(92,225,230,.28);
  background:
    linear-gradient(120deg,rgba(92,225,230,.12),rgba(255,180,92,.07) 70%,transparent),
    rgba(11,26,44,.7);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:clamp(24px,3.4vw,40px);
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;
  box-shadow:var(--shadow-card);
}
.cta-panel h2{font-size:clamp(1.2rem,2.4vw,1.6rem);font-weight:700;margin-bottom:10px;}
.cta-panel p{color:var(--muted);font-size:14.5px;margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(5,10,18,.96),#04080f);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:var(--gap-section);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-desc{color:var(--muted);font-size:14px;line-height:1.78;max-width:330px;margin-bottom:18px;}
.footer-thumb{
  width:132px;height:auto;border-radius:12px;
  border:1px solid var(--line);opacity:.85;
}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:#dbe9f3;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a,.footer-col ul li span{font-size:14px;color:var(--muted);line-height:1.7;}
.footer-col ul li a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:48px;padding:22px 0;
  border-top:1px solid rgba(125,211,252,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(147,169,187,.82);
}
.footer-bottom .sep{margin:0 8px;color:rgba(147,169,187,.45);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr) 240px;gap:32px;}
}
@media (max-width:991px){
  .nav-pill{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:14px 20px 22px;
    border-radius:0 0 20px 20px;
    border-left:0;border-right:0;border-top:1px solid var(--line);
    background:rgba(5,10,18,.985);
    backdrop-filter:blur(16px);
    max-height:calc(100vh - 72px);overflow-y:auto;
    transform:translateY(-12px);
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  body.nav-open .nav-pill{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;}
  .nav-pill a{
    justify-content:flex-start;
    min-height:48px;padding:0 16px;border-radius:12px;font-size:15.5px;
  }
  .nav-pill a.active{
    position:relative;
    background:rgba(92,225,230,.12);color:var(--primary);
    box-shadow:none;
  }
  .nav-pill a.active::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
    background:var(--primary);box-shadow:0 0 10px rgba(92,225,230,.7);
  }
  .nav-toggle{display:block;}
  .nav-actions .btn-sm{display:none;}
  .article-grid{grid-template-columns:minmax(0,1fr);}
  .article-aside{position:static;order:-1;}
  .toc-card{padding:16px 18px 10px;}
  .toc-list{display:flex;flex-wrap:wrap;gap:8px;}
  .toc-list li{margin:0;}
  .toc-list a,.toc-list li.sub a{
    border:1px solid var(--line);border-radius:999px;
    padding:7px 13px;font-size:13px;min-height:36px;display:inline-flex;align-items:center;
  }
  .toc-list a:hover{padding-left:13px;}
  .side-card{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  :root{--gap-section:64px;}
}
@media (max-width:767px){
  .container-wide,.container-x{padding:0 18px;}
  .nav-wrap{height:66px;gap:12px;}
  .brand-name{font-size:15.5px;}
  .brand-sub{font-size:10px;letter-spacing:1.5px;}
  .nav-pill{top:66px;max-height:calc(100vh - 66px);}
  .article-banner{padding:30px 0 4px;}
  .article-head h1{font-size:clamp(1.6rem,6vw,2.15rem);margin:14px 0 16px;}
  .article-section{padding:36px 0 56px;}
  .article-body{font-size:16px;line-height:1.85;}
  .related-grid{grid-template-columns:1fr;}
  .cta-panel{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:6px;margin-top:34px;}
  .cover-frame img{aspect-ratio:16/10;}
}
@media (max-width:575px){
  .btn{width:100%;}
  .back-row .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .related-card img{width:78px;height:64px;}
  .article-body-panel{padding:20px 18px;}
  .article-body table{font-size:13.5px;}
  .article-body th,.article-body td{padding:10px;white-space:nowrap;}
  .article-body{overflow-x:auto;}
}

/* roulang page: category1 */
:root{
  --ink-950:#050a12;
  --ink-900:#07111f;
  --ink-800:#0b1a2c;
  --ink-700:#10243a;
  --line:rgba(125,211,252,.16);
  --line-strong:rgba(125,211,252,.32);
  --text:#eaf4fb;
  --muted:#93a9bb;
  --primary:#5ce1e6;
  --primary-deep:#2bb8c9;
  --accent:#ffb45c;
  --accent-hot:#ff7a59;
  --ok:#63e6a8;
  --danger:#ff6b7a;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-soft:0 18px 40px rgba(2,8,16,.55);
  --shadow-glow:0 10px 28px rgba(92,225,230,.22);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--ink-950);
  background-image:
    linear-gradient(rgba(125,211,252,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,211,252,.045) 1px,transparent 1px);
  background-size:64px 64px;
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(92,225,230,.3);color:#fff;}

.container-wide{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,10,18,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{
  background:var(--ink-900);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(2,8,16,.5);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(92,225,230,.45);
  position:relative;flex-shrink:0;
  box-shadow:inset 0 0 12px rgba(92,225,230,.25);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,var(--primary),var(--primary-deep));
  box-shadow:0 0 12px rgba(92,225,230,.75);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:1.03rem;font-weight:800;letter-spacing:.02em;color:var(--text);}
.brand-sub{font-size:11px;letter-spacing:.24em;color:var(--muted);margin-top:3px;}
.nav-pill{
  display:flex;align-items:center;gap:2px;padding:6px;
  border-radius:999px;background:rgba(11,26,44,.62);
  border:1px solid var(--line);
}
.nav-pill a{
  display:inline-block;padding:8px 15px;border-radius:999px;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-pill a:hover{color:var(--text);background:rgba(92,225,230,.09);}
.nav-pill a.active{
  color:var(--primary);font-weight:700;
  background:rgba(92,225,230,.13);
  box-shadow:inset 0 0 0 1px rgba(92,225,230,.3);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(11,26,44,.7);border:1px solid var(--line);
  position:relative;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateX(-50%) rotate(45deg);top:0;}
.nav-toggle.is-open span::after{transform:translateX(-50%) rotate(-45deg);top:0;}

.mobile-nav{
  position:fixed;inset:72px 0 0;z-index:1020;
  background:rgba(5,10,18,.98);
  backdrop-filter:blur(16px);
  padding:24px;
  display:none;
  overflow-y:auto;
  border-top:1px solid var(--line);
}
.mobile-nav.is-open{display:block;}
.mobile-nav a{
  display:flex;align-items:center;min-height:52px;
  padding:0 16px;border-radius:12px;
  color:var(--text);font-size:16px;
  border-left:3px solid transparent;
}
.mobile-nav a:hover{background:rgba(92,225,230,.08);}
.mobile-nav a.active{
  border-left-color:var(--primary);
  background:rgba(92,225,230,.1);
  color:var(--primary);font-weight:700;
}
.mobile-nav .btn{width:100%;margin-top:18px;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:12px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,filter .2s ease;
}
.btn:active{transform:translateY(0) scale(.99);}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04212a;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
  color:#04212a;transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(92,225,230,.36);
  filter:brightness(1.06);
}
.btn-ghost{
  background:rgba(11,26,44,.66);
  border-color:var(--line);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  color:var(--text);
  border-color:var(--line-strong);
  background:rgba(16,36,58,.85);
  transform:translateY(-2px);
}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;border-radius:10px;}
.btn-link{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--primary);font-weight:700;font-size:14.5px;
}
.btn-link .arrow{transition:transform .2s ease;}
.btn-link:hover{color:var(--primary);}
.btn-link:hover .arrow{transform:translateX(4px);}

/* ============ badge / tag ============ */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  color:var(--primary);
  background:rgba(92,225,230,.1);
  border:1px solid rgba(92,225,230,.26);
}
.badge-accent{
  color:var(--accent);
  background:rgba(255,180,92,.1);
  border-color:rgba(255,180,92,.3);
}
.badge-ok{
  color:var(--ok);
  background:rgba(99,230,168,.1);
  border-color:rgba(99,230,168,.28);
}

/* ============ hero ============ */
.page-hero{
  position:relative;
  padding:64px 0 56px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 460px at 82% 12%,rgba(92,225,230,.16),transparent 62%),
    linear-gradient(180deg,rgba(5,10,18,.9) 0%,rgba(5,10,18,.94) 60%,var(--ink-950) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;
  border-radius:50%;
  border:1px solid rgba(92,225,230,.14);
  box-shadow:0 0 0 70px rgba(92,225,230,.03),0 0 0 140px rgba(92,225,230,.02);
  pointer-events:none;
}
.page-hero .container-x{position:relative;z-index:2;}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.18em;color:var(--primary);
  text-transform:uppercase;margin-bottom:18px;
}
.hero-eyebrow::before{
  content:"";width:26px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.page-hero h1{
  font-size:clamp(2.1rem,4.4vw,3.3rem);
  font-weight:800;letter-spacing:-.01em;line-height:1.18;
  margin-bottom:18px;
}
.page-hero h1 .hl{
  background:linear-gradient(120deg,var(--primary),#a8f4f7);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:1.02rem;color:var(--muted);max-width:600px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--muted);}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary);}
.dot.accent{background:var(--accent);box-shadow:0 0 8px var(--accent);}

.glass{
  background:rgba(11,26,44,.66);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
}
.hero-card{overflow:hidden;padding:14px;}
.hero-card-media{
  border-radius:16px;overflow:hidden;position:relative;
  aspect-ratio:16/9;background:var(--ink-800);
}
.hero-card-media img{width:100%;height:100%;object-fit:cover;}
.hero-card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,18,.05),rgba(5,10,18,.6));
}
.hero-card-body{padding:18px 12px 8px;}
.mini-facts{margin-top:14px;display:grid;gap:10px;}
.mini-facts li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:10px;border-bottom:1px solid rgba(125,211,252,.1);
  font-size:14px;
}
.mini-facts li:last-child{border-bottom:0;padding-bottom:0;}
.mini-facts span{color:var(--muted);}
.mini-facts strong{font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;}

/* ============ breadcrumb ============ */
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:18px 0 0;font-size:13px;color:var(--muted);
}
.breadcrumb-x a{color:var(--muted);}
.breadcrumb-x a:hover{color:var(--primary);}
.breadcrumb-x .sep{color:rgba(147,169,187,.5);}
.breadcrumb-x .current{color:var(--text);}

/* ============ section ============ */
.section{padding:72px 0 0;}
.section:last-of-type{padding-bottom:80px;}
.section-head{max-width:680px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(1.55rem,2.7vw,2.15rem);font-weight:700;margin-bottom:12px;
}
.section-head p{color:var(--muted);font-size:15.5px;}
.section-kicker{
  display:inline-block;font-size:12.5px;letter-spacing:.2em;
  color:var(--primary);margin-bottom:12px;text-transform:uppercase;
}

/* ============ steps ============ */
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;
}
.step-card{
  position:relative;
  background:linear-gradient(180deg,var(--ink-800),var(--ink-700));
  border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 22px 24px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step-card:hover{
  transform:translateY(-4px);
  border-color:rgba(92,225,230,.4);
  box-shadow:0 18px 34px rgba(2,8,16,.55);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:14px;
  font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--ink-950);
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 8px 18px rgba(92,225,230,.25);
  margin-bottom:16px;
}
.step-card h3{font-size:1.1rem;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--muted);margin-bottom:14px;}
.step-card .badge-soft{font-size:11.5px;padding:4px 10px;}

/* ============ two column ============ */
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start;}
.panel{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:28px;
}
.panel h2,.panel h3{font-size:1.25rem;margin-bottom:8px;}
.panel .panel-desc{color:var(--muted);font-size:14.5px;margin-bottom:20px;}

.check-list{display:grid;gap:14px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:var(--text);line-height:1.7;
}
.check-list .tick{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  margin-top:2px;position:relative;
  background:rgba(99,230,168,.12);
  border:1px solid rgba(99,230,168,.4);
}
.check-list .tick::after{
  content:"";position:absolute;left:6px;top:5px;
  width:7px;height:11px;border-right:2px solid var(--ok);border-bottom:2px solid var(--ok);
  transform:rotate(42deg);
}
.check-list small{display:block;color:var(--muted);font-size:13px;margin-top:2px;}

.trouble-list{display:grid;gap:12px;}
.trouble-list li{
  padding:16px 18px;border-radius:14px;
  background:rgba(16,36,58,.7);
  border:1px solid rgba(125,211,252,.12);
  border-left:3px solid var(--accent);
  transition:border-color .2s ease,background .2s ease;
}
.trouble-list li:hover{
  background:rgba(16,36,58,.95);
  border-left-color:var(--accent-hot);
}
.trouble-list h4{font-size:14.5px;margin-bottom:6px;color:var(--text);}
.trouble-list p{font-size:13.5px;color:var(--muted);}

/* ============ faq ============ */
.faq-grid{display:grid;grid-template-columns:.42fr .58fr;gap:44px;align-items:start;}
.faq-aside{position:sticky;top:96px;}
.faq-aside h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:12px;}
.faq-aside p{color:var(--muted);font-size:14.5px;margin-bottom:20px;}
.faq-aside .btn-link{font-size:14px;}

.accordion-x .accordion-item{
  background:transparent;border:0;
  border-bottom:1px solid rgba(125,211,252,.13);
}
.accordion-x .accordion-item:first-child{border-top:1px solid rgba(125,211,252,.13);}
.accordion-x .accordion-button{
  background:transparent;color:var(--text);
  font-size:15.5px;font-weight:700;line-height:1.6;
  padding:22px 44px 22px 18px;border-radius:0;
  box-shadow:none;position:relative;
  transition:color .2s ease,background .2s ease;
}
.accordion-x .accordion-button::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  border-radius:3px;background:transparent;transition:background .2s ease;
}
.accordion-x .accordion-button:not(.collapsed){
  color:var(--primary);background:rgba(92,225,230,.05);
}
.accordion-x .accordion-button:not(.collapsed)::before{background:var(--primary);}
.accordion-x .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px;}
.accordion-x .accordion-button::after{
  content:"";position:absolute;right:14px;top:50%;
  width:14px;height:14px;margin:0;transform:translateY(-50%);
  background:none;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transition:transform .22s ease,border-color .22s ease;
  transform:translateY(-70%) rotate(45deg);
}
.accordion-x .accordion-button:not(.collapsed)::after{
  border-color:var(--primary);
  transform:translateY(-25%) rotate(-135deg);
}
.accordion-x .accordion-body{
  padding:0 44px 24px 18px;color:var(--muted);font-size:14.5px;line-height:1.85;
}
.accordion-x .accordion-body p+p{margin-top:10px;}

/* ============ cta ============ */
.cta-panel{
  display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;
  padding:40px;border-radius:var(--radius-lg);
  background:
    radial-gradient(620px 240px at 12% 10%,rgba(92,225,230,.16),transparent 68%),
    rgba(11,26,44,.66);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-soft);
}
.cta-panel h2{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:12px;}
.cta-panel p{color:var(--muted);font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.cta-note{margin-top:14px;font-size:12.5px;color:rgba(147,169,187,.85);text-align:right;}

/* ============ footer ============ */
.site-footer{
  margin-top:88px;
  background:var(--ink-900);
  border-top:1px solid var(--line);
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:36px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px;max-width:320px;}
.footer-thumb{
  width:96px;height:64px;object-fit:cover;border-radius:10px;
  border:1px solid var(--line);
}
.footer-col h4{
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(234,244,251,.75);margin-bottom:16px;font-weight:700;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col li{font-size:14px;color:var(--muted);}
.footer-col li a{color:var(--muted);}
.footer-col li a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding-top:22px;border-top:1px solid rgba(125,211,252,.1);
  font-size:13px;color:rgba(147,169,187,.85);
}
.footer-bottom .sep{margin:0 8px;color:rgba(147,169,187,.45);}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .hero-grid{gap:34px;}
  .faq-grid{gap:32px;}
}
@media (max-width:991.98px){
  .nav-pill{display:none;}
  .nav-toggle{display:inline-block;}
  .nav-actions .btn-sm{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .page-hero{padding:48px 0 44px;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .split-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .faq-aside{position:static;}
  .cta-panel{grid-template-columns:1fr;padding:32px;}
  .cta-actions{justify-content:flex-start;}
  .cta-note{text-align:left;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:767.98px){
  .container-wide,.container-x{padding:0 20px;}
  .section{padding:52px 0 0;}
  .section:last-of-type{padding-bottom:56px;}
  .site-footer{margin-top:60px;padding:44px 0 22px;}
  .panel{padding:22px;}
  .step-card{padding:22px 18px;}
  .page-hero h1{font-size:clamp(1.9rem,7vw,2.5rem);}
}
@media (max-width:575.98px){
  .steps-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .brand-name{font-size:.96rem;}
  .brand-sub{font-size:10px;}
  .breadcrumb-x{font-size:12px;}
  .accordion-x .accordion-button{font-size:14.5px;padding:18px 40px 18px 14px;}
  .accordion-x .accordion-body{padding:0 18px 20px 14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category2 */
:root{
  --ink-950:#050a12;
  --ink-900:#07111f;
  --ink-800:#0b1a2c;
  --ink-700:#10243a;
  --line:rgba(125,211,252,.16);
  --line-soft:rgba(125,211,252,.08);
  --text:#eaf4fb;
  --muted:#93a9bb;
  --primary:#5ce1e6;
  --primary-deep:#2bb8c9;
  --accent:#ffb45c;
  --accent-hot:#ff7a59;
  --ok:#63e6a8;
  --danger:#ff6b7a;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-card:0 18px 44px rgba(2,7,14,.55);
  --shadow-glow:0 12px 30px rgba(43,184,201,.28);
  --space-section:88px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--ink-950);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(92,225,230,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(92,225,230,.055) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  top:-160px;
  right:-200px;
  width:620px;
  height:620px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(43,184,201,.12),rgba(43,184,201,0) 62%);
  pointer-events:none;
  z-index:0;
}
header,main,footer{position:relative;z-index:1}

img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:#8ff2f5}
p{margin:0 0 14px}
ul,ol{margin:0 0 14px;padding-left:20px}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(92,225,230,.28);color:#fff}

.container-wide{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(5,10,18,.74);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(5,10,18,.97);
  border-bottom-color:var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
  min-width:0;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand:hover{color:var(--text)}
.brand-mark{
  position:relative;
  flex:0 0 auto;
  width:36px;height:36px;
  border-radius:12px;
  background:radial-gradient(circle at 30% 28%,var(--primary),var(--primary-deep) 72%);
  box-shadow:0 0 0 1px rgba(92,225,230,.4),0 8px 20px rgba(43,184,201,.3);
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:12px;
  border-radius:50%;
  background:var(--ink-950);
  box-shadow:inset 0 0 0 2px rgba(92,225,230,.6);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-name{
  font-size:16px;font-weight:800;letter-spacing:.02em;color:var(--text);
  white-space:nowrap;
}
.brand-sub{font-size:11px;letter-spacing:.2em;color:var(--muted);margin-top:2px}
.nav-pill{
  display:flex;align-items:center;gap:2px;
  padding:5px;border-radius:999px;
  background:rgba(11,26,44,.62);
  border:1px solid var(--line);
}
.nav-pill a{
  padding:8px 16px;
  border-radius:999px;
  font-size:14px;
  color:var(--muted);
  white-space:nowrap;
}
.nav-pill a:hover{color:var(--text);background:rgba(92,225,230,.08)}
.nav-pill a.active{
  color:#04141a;
  font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 8px 20px rgba(43,184,201,.32);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:46px;height:46px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(11,26,44,.8);
  align-items:center;justify-content:center;
  cursor:pointer;
}
.nav-toggle span{
  position:relative;display:block;width:18px;height:2px;border-radius:2px;
  background:var(--text);transition:background .2s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;
  background:var(--text);transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.nav-open .nav-toggle span{background:transparent}
.site-header.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
.site-header.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  font-family:inherit;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04141a;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
  color:#04141a;
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(43,184,201,.45);
  filter:brightness(1.05);
}
.btn-ghost{
  background:rgba(11,26,44,.65);
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{
  color:#fff;
  border-color:rgba(92,225,230,.55);
  transform:translateY(-2px);
  background:rgba(16,36,58,.85);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn[disabled],.btn.is-disabled{opacity:.55;box-shadow:none;pointer-events:none}

/* ---------- breadcrumb ---------- */
.crumb{
  padding:22px 0 0;
  font-size:13px;
  color:var(--muted);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{opacity:.45}
.crumb .current{color:var(--text)}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:36px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(5,10,18,.96) 0%,rgba(7,17,31,.9) 45%,rgba(11,26,44,.82) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  z-index:0;
}
.page-hero .container-x{position:relative;z-index:1}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;letter-spacing:.1em;
  color:var(--primary);
  background:rgba(92,225,230,.08);
  border:1px solid rgba(92,225,230,.28);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(255,180,92,.16)}
h1{
  font-size:clamp(2.1rem,5vw,3.2rem);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
  margin:20px 0 16px;
}
.hero-lead{color:var(--muted);font-size:16.5px;max-width:640px;margin-bottom:0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-meta{
  display:flex;gap:22px;flex-wrap:wrap;
  margin-top:26px;font-size:13.5px;color:var(--muted);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta span::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 3px rgba(92,225,230,.14);
}

/* glass card */
.glass-card{
  background:rgba(11,26,44,.66);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-card);
}
.status-line{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.status-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;font-weight:700;
  color:#2a1704;
  background:linear-gradient(135deg,var(--accent),#ffd09a);
  box-shadow:0 8px 20px rgba(255,180,92,.24);
}
.status-badge .pulse{
  width:7px;height:7px;border-radius:50%;background:#5a3305;
  animation:blink 1.8s ease-in-out infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.status-line .status-note{font-size:12.5px;color:var(--muted)}
.kv-list{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:14px}
.kv-list li{display:grid;grid-template-columns:74px 1fr;gap:12px;align-items:baseline;font-size:14.5px}
.kv-list .k{color:var(--muted);font-size:13px}
.kv-list .v{color:var(--text);font-weight:600}
.glass-thumb{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:14px;border:1px solid var(--line);
}

/* ---------- stats strip ---------- */
.stats-strip{
  border-bottom:1px solid var(--line);
  background:rgba(7,17,31,.72);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
}
.stat-item{
  padding:26px 28px;
  border-left:1px solid var(--line-soft);
}
.stat-item:first-child{border-left:none;padding-left:0}
.stat-num{
  font-size:22px;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:4px}

/* ---------- sections ---------- */
.section{padding:var(--space-section) 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{margin-top:12px}
h2{
  font-size:clamp(1.55rem,3vw,2.2rem);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.005em;
  margin:0 0 12px;
}
h3{font-size:1.18rem;font-weight:700;line-height:1.45;margin:0 0 10px}
.section-head p{color:var(--muted);margin:0}
.section-tag{
  display:inline-block;
  font-size:12.5px;letter-spacing:.14em;
  color:var(--primary);
  padding:4px 12px;border-radius:999px;
  border:1px solid rgba(92,225,230,.26);
  background:rgba(92,225,230,.06);
}

/* ---------- schedule table ---------- */
.table-shell{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:linear-gradient(180deg,rgba(16,36,58,.72),rgba(11,26,44,.82));
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.schedule-table{width:100%;border-collapse:collapse;font-size:15px}
.schedule-table thead th{
  text-align:left;
  padding:15px 22px;
  font-size:12.5px;font-weight:700;letter-spacing:.1em;
  color:var(--muted);
  background:rgba(5,10,18,.45);
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.schedule-table tbody td{
  padding:17px 22px;
  border-bottom:1px solid var(--line-soft);
  vertical-align:middle;
}
.schedule-table tbody tr:last-child td{border-bottom:none}
.schedule-table tbody tr:hover{background:rgba(92,225,230,.05)}
.schedule-table .c-name{font-weight:700;color:var(--text)}
.schedule-table .c-time{
  font-variant-numeric:tabular-nums;
  font-weight:700;color:var(--primary);
  letter-spacing:.02em;
}
.schedule-table .c-tip{color:var(--muted);font-size:14px}
.badge-state{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;
  border:1px solid transparent;
  white-space:nowrap;
}
.badge-state::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.state-ok{color:var(--ok);background:rgba(99,230,168,.1);border-color:rgba(99,230,168,.3)}
.state-warn{color:var(--accent);background:rgba(255,180,92,.1);border-color:rgba(255,180,92,.32)}
.state-wait{color:var(--muted);background:rgba(147,169,187,.1);border-color:rgba(147,169,187,.28)}
.table-note{
  margin:16px 0 0;
  font-size:13px;color:var(--muted);
  display:flex;align-items:flex-start;gap:8px;
}
.table-note::before{
  content:"!";
  flex:0 0 auto;
  width:18px;height:18px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;color:#2a1704;
  background:var(--accent);
  margin-top:3px;
}

/* session cards (mobile) */
.session-card{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:linear-gradient(180deg,rgba(16,36,58,.8),rgba(11,26,44,.85));
  padding:18px 18px 16px;
  margin-bottom:14px;
}
.session-card .sc-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.session-card .sc-name{font-weight:700;font-size:16px}
.session-card .sc-time{
  font-variant-numeric:tabular-nums;font-weight:800;color:var(--primary);
  font-size:17px;letter-spacing:.02em;
}
.session-card .sc-tip{font-size:13.5px;color:var(--muted);margin:0}

/* ---------- value matrix ---------- */
.value-grid{
  display:grid;
  grid-template-columns:1.32fr 1fr;
  grid-template-rows:auto auto;
  gap:22px;
}
.v-card{
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  background:linear-gradient(180deg,rgba(16,36,58,.82),rgba(11,26,44,.9));
  padding:26px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.v-card:hover{transform:translateY(-4px);border-color:rgba(92,225,230,.4);box-shadow:var(--shadow-card)}
.v-card.big{grid-row:1 / span 2;padding:0;overflow:hidden;display:flex;flex-direction:column}
.v-card.big .v-media{position:relative;overflow:hidden;aspect-ratio:16/9}
.v-card.big .v-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.v-card.big:hover .v-media img{transform:scale(1.03)}
.v-card.big .v-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,18,0) 40%,rgba(11,26,44,.92) 100%);
}
.v-card.big .v-body{padding:24px 26px 26px}
.v-card.big .v-body p{color:var(--muted);font-size:14.5px}
.v-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:10px}
.v-list li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--text);
}
.v-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
}
.v-card .v-icon{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:#04141a;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  margin-bottom:14px;
}
.v-card.small p{color:var(--muted);font-size:14px;margin-bottom:12px}
.v-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--primary);
}
.v-link .arrow{transition:transform .2s ease}
.v-link:hover .arrow{transform:translateX(4px)}

/* ---------- flow ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:16px;
}
.flow-step{
  position:relative;
  padding:24px 20px 22px;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,36,58,.82),rgba(11,26,44,.9));
  transition:transform .22s ease,border-color .22s ease;
}
.flow-step:hover{transform:translateY(-4px);border-color:rgba(92,225,230,.42)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;
  color:var(--primary);
  background:rgba(92,225,230,.1);
  border:1px solid rgba(92,225,230,.3);
  margin-bottom:14px;
}
.flow-step h3{font-size:15.5px;margin-bottom:8px}
.flow-step p{font-size:13.8px;color:var(--muted);margin:0}

/* ---------- rules accordion ---------- */
.rules-wrap{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:44px;
  align-items:start;
}
.rules-intro{position:sticky;top:104px}
.rules-intro p{color:var(--muted);font-size:14.5px}
.accordion.rule-accordion{
  --bs-accordion-bg:transparent;
  --bs-accordion-color:var(--text);
  --bs-accordion-border-color:var(--line-soft);
  --bs-accordion-border-radius:0;
  --bs-accordion-inner-border-radius:0;
  --bs-accordion-btn-padding-x:0;
  --bs-accordion-btn-padding-y:20px;
  --bs-accordion-btn-color:var(--text);
  --bs-accordion-btn-bg:transparent;
  --bs-accordion-active-color:var(--primary);
  --bs-accordion-active-bg:transparent;
  --bs-accordion-body-padding-x:0;
  --bs-accordion-body-padding-y:0;
  --bs-accordion-btn-icon-width:15px;
  --bs-accordion-btn-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 1v14M1 8h14' stroke='%235ce1e6' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  --bs-accordion-btn-active-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M1 8h14' stroke='%235ce1e6' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
}
.rule-accordion .accordion-item{
  background:transparent;
  border:none;
  border-bottom:1px solid var(--line-soft);
}
.rule-accordion .accordion-item:first-of-type{border-top:1px solid var(--line-soft)}
.rule-accordion .accordion-header{margin:0;font-size:inherit}
.rule-accordion .accordion-button{
  font-size:16px;font-weight:700;line-height:1.6;
  min-height:56px;
  box-shadow:none;
  padding-left:16px;
  border-left:3px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.rule-accordion .accordion-button:hover{color:var(--primary)}
.rule-accordion .accordion-button:not(.collapsed){
  border-left-color:var(--primary);
  box-shadow:none;
}
.rule-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;border-left-color:var(--primary)}
.rule-accordion .accordion-body{
  padding:0 0 22px 16px;
  color:var(--muted);
  font-size:14.5px;
  line-height:1.85;
}
.rule-accordion .accordion-body ul{margin:0;padding-left:18px}
.rule-accordion .accordion-body li{margin-bottom:6px}

/* ---------- CTA panel ---------- */
.cta-panel{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  padding:44px;
  border-radius:var(--radius-lg);
  background:rgba(11,26,44,.66);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(92,225,230,.26);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;top:-120px;right:-80px;
  width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(92,225,230,.16);
  box-shadow:0 0 0 40px rgba(92,225,230,.04),0 0 0 90px rgba(92,225,230,.025);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{margin-bottom:14px}
.cta-copy p{color:var(--muted);font-size:14.8px;max-width:420px}
.cta-points{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px}
.cta-points li{
  position:relative;padding-left:24px;font-size:14.5px;color:var(--text);
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:5px;
  width:14px;height:14px;border-radius:50%;
  border:1px solid rgba(92,225,230,.5);
  background:radial-gradient(circle,var(--primary) 0 3px,transparent 4px);
}
.form-grid{position:relative;z-index:1;display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-size:13.5px;color:var(--text);font-weight:600}
.field .req{color:var(--accent);margin-left:3px}
.field input[type="text"],
.field input[type="tel"],
.field select{
  width:100%;
  min-height:48px;
  padding:0 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--text);
  background:rgba(5,10,18,.72);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;
}
.field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 6l5 5 5-5' fill='none' stroke='%235ce1e6' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:14px;
  padding-right:38px;
}
.field input::placeholder{color:rgba(147,169,187,.62)}
.field input:focus,
.field select:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(7,17,31,.92);
  box-shadow:0 0 0 3px rgba(92,225,230,.16);
}
.field.has-error input,.field.has-error select{border-color:var(--danger)}
.field-error{display:none;font-size:13px;color:var(--accent-hot)}
.field.has-error .field-error{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px}
.check-row input[type="checkbox"]{
  appearance:none;
  flex:0 0 auto;
  width:20px;height:20px;margin-top:3px;
  border-radius:6px;
  border:1px solid var(--line);
  background:rgba(5,10,18,.8);
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.check-row input[type="checkbox"]:checked{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  border-color:transparent;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3.2 3.2L13 5' fill='none' stroke='%2304141a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:center;
  background-size:13px;
}
.check-row label{font-size:13.5px;color:var(--muted);line-height:1.7;cursor:pointer}
.form-note{font-size:12.5px;color:var(--muted);margin:2px 0 0}
.form-feedback{
  display:none;
  padding:12px 16px;
  border-radius:var(--radius-sm);
  font-size:14px;
  border:1px solid rgba(99,230,168,.35);
  background:rgba(99,230,168,.1);
  color:var(--ok);
}
.form-feedback.show{display:block}

/* ---------- footer ---------- */
.site-footer{
  margin-top:24px;
  background:#04080f;
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:38px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-desc{color:var(--muted);font-size:14px;max-width:330px;margin:0}
.footer-thumb{
  width:128px;border-radius:12px;margin-top:18px;
  border:1px solid var(--line);
}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.04em;
  color:var(--text);margin:0 0 16px;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:46px;padding:22px 0;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.footer-bottom .sep{margin:0 8px;opacity:.5}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  :root{--space-section:76px}
  .flow{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991.98px){
  .nav-pill{
    position:absolute;
    top:74px;left:16px;right:16px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:12px;
    border-radius:var(--radius-md);
    background:rgba(7,17,31,.98);
    border:1px solid var(--line);
    box-shadow:0 24px 60px rgba(0,0,0,.6);
    display:none;
  }
  .site-header.nav-open .nav-pill{display:flex}
  .nav-pill a{
    padding:13px 16px;
    border-radius:10px;
    border-left:3px solid transparent;
    font-size:15px;
  }
  .nav-pill a.active{
    border-left-color:var(--primary);
    background:rgba(92,225,230,.12);
    color:var(--primary);
    box-shadow:none;
  }
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-sm{display:none}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .page-hero{padding:24px 0 48px}
  .stats-grid{grid-template-columns:1fr}
  .stat-item{
    border-left:none;
    border-top:1px solid var(--line-soft);
    padding:18px 0;
  }
  .stat-item:first-child{border-top:none}
  .value-grid{grid-template-columns:1fr;grid-template-rows:auto}
  .v-card.big{grid-row:auto}
  .rules-wrap{grid-template-columns:1fr;gap:28px}
  .rules-intro{position:static}
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .flow{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:575.98px){
  :root{--space-section:56px}
  .container-wide,.container-x{padding:0 18px}
  .brand-name{font-size:14.5px;white-space:normal}
  .brand-sub{font-size:10px;letter-spacing:.14em}
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .brand-mark::after{inset:10px}
  h1{font-size:clamp(1.8rem,7.6vw,2.4rem)}
  .hero-actions .btn{width:100%}
  .hero-meta{gap:14px;font-size:13px}
  .flow{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{font-size:12.5px}
  .cta-panel{padding:24px;border-radius:var(--radius-md)}
  .glass-card{padding:20px}
  .schedule-table{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --ink-950:#050a12;
  --ink-900:#07111f;
  --ink-800:#0b1a2c;
  --ink-700:#10243a;
  --line:rgba(125,211,252,.16);
  --line-strong:rgba(125,211,252,.30);
  --text:#eaf4fb;
  --muted:#93a9bb;
  --primary:#5ce1e6;
  --primary-deep:#2bb8c9;
  --accent:#ffb45c;
  --accent-hot:#ff7a59;
  --ok:#63e6a8;
  --danger:#ff6b7a;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 22px 48px -28px rgba(0,0,0,.95);
  --glow:0 12px 32px -14px rgba(92,225,230,.55);
  --container:1200px;
  --container-wide:1320px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--ink-950);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background-image:
    linear-gradient(rgba(125,211,252,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,211,252,.055) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:radial-gradient(circle at 20% 0%,rgba(92,225,230,.07),transparent 42%);
  pointer-events:none;
}

img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:#8bf0f3;}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.28;letter-spacing:.005em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container-wide{width:100%;max-width:var(--container-wide);margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(5,10,18,.74);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(5,10,18,.97);border-bottom-color:var(--line);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  border:1.5px solid var(--primary);
  position:relative;flex:0 0 34px;
  box-shadow:0 0 0 4px rgba(92,225,230,.08),inset 0 0 14px rgba(92,225,230,.35);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 12px rgba(92,225,230,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:1.02rem;font-weight:800;letter-spacing:.01em;}
.brand-sub{font-size:10.5px;color:var(--muted);letter-spacing:.24em;margin-top:3px;}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  padding:5px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(11,26,44,.62);
}
.nav-pill a{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:999px;
  font-size:14px;color:var(--muted);
  text-decoration:none;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-pill a:hover{color:var(--text);background:rgba(92,225,230,.09);}
.nav-pill a.active{
  color:#04222a;font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:var(--glow);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(11,26,44,.7);
  cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span{position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.site-header.nav-open .nav-toggle span{background:transparent;}
.site-header.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
.site-header.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:12px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  text-decoration:none;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#03222a;box-shadow:var(--glow);
}
.btn-primary:hover{color:#03222a;transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 16px 36px -14px rgba(92,225,230,.7);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{color:var(--text);border-color:var(--primary);background:rgba(92,225,230,.09);transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:13.5px;border-radius:10px;}
.btn:active{transform:translateY(0);}
.btn[disabled]{opacity:.5;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:40px 0 68px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.36;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(5,10,18,.97) 30%,rgba(5,10,18,.78) 68%,rgba(5,10,18,.94));
}
.page-hero > .container-x{position:relative;z-index:2;}
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:26px;
}
.crumbs a{color:var(--muted);text-decoration:none;}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{opacity:.45;}
.crumbs .now{color:#cfe4f2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;
  color:var(--primary);
  border:1px solid var(--line-strong);
  border-radius:999px;padding:6px 14px;
  background:rgba(92,225,230,.06);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary);}
.page-hero h1{
  font-size:clamp(2.05rem,4.6vw,3.35rem);
  font-weight:800;line-height:1.14;
  margin:20px 0 18px;letter-spacing:-.01em;
}
.hero-lead{color:var(--muted);font-size:1.05rem;line-height:1.85;max-width:36em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:30px;font-size:13.5px;color:var(--muted);}
.hero-meta li{display:flex;align-items:center;gap:8px;}
.hero-meta li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px rgba(92,225,230,.8);flex:0 0 7px;}

.hero-card{
  background:rgba(11,26,44,.66);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow);
}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--accent);
  background:rgba(255,180,92,.12);
  border:1px solid rgba(255,180,92,.34);
  border-radius:999px;padding:5px 12px;
}
.hero-card-note{font-size:12px;color:var(--muted);}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;border:1px solid var(--line);}
.mini-list{margin-top:18px;display:grid;gap:12px;}
.mini-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;line-height:1.7;color:#c9dced;
}
.mini-list li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;margin-top:8px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 8px rgba(92,225,230,.75);
}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;position:relative;}
.section-alt{background:rgba(7,17,31,.62);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:740px;margin-bottom:40px;}
.section-head h2{font-size:clamp(1.55rem,3vw,2.25rem);font-weight:700;margin:14px 0 12px;}
.section-head p{color:var(--muted);font-size:15.5px;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;color:var(--primary-deep);
  text-transform:uppercase;
}
.kicker::before{content:"";width:22px;height:1px;background:var(--primary);}

/* ---------- 提醒条 ---------- */
.alert-band{
  display:flex;gap:18px;align-items:flex-start;
  border:1px solid rgba(255,180,92,.36);
  background:linear-gradient(92deg,rgba(255,180,92,.13),rgba(255,122,89,.05));
  border-radius:var(--radius);
  padding:20px 24px;
}
.alert-icon{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,180,92,.16);border:1px solid rgba(255,180,92,.4);
  color:var(--accent);font-weight:800;font-size:18px;
}
.alert-band h3{font-size:1.02rem;margin-bottom:6px;color:#ffd7a6;}
.alert-band p{font-size:14.5px;color:#d6c4b0;line-height:1.8;}

/* ---------- 检查清单 ---------- */
.check-layout{display:grid;grid-template-columns:1fr 340px;gap:36px;align-items:start;}
.check-panel{
  background:linear-gradient(160deg,var(--ink-800),var(--ink-700));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow);
}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;
  border-bottom:1px dashed rgba(125,211,252,.14);
}
.check-item:last-child{border-bottom:0;padding-bottom:4px;}
.check-item input[type="checkbox"]{
  appearance:none;-webkit-appearance:none;
  width:22px;height:22px;flex:0 0 22px;margin-top:4px;
  border-radius:7px;border:1.5px solid var(--line-strong);
  background:rgba(5,10,18,.65);cursor:pointer;position:relative;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.check-item input[type="checkbox"]:hover{border-color:var(--primary);}
.check-item input[type="checkbox"]:checked{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(92,225,230,.13);
}
.check-item input[type="checkbox"]:checked::after{
  content:"";position:absolute;left:7px;top:2px;width:6px;height:11px;
  border-right:2px solid #04222a;border-bottom:2px solid #04222a;
  transform:rotate(42deg);
}
.check-item label{font-size:15px;line-height:1.7;color:#d5e6f3;cursor:pointer;}
.check-item label small{display:block;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.7;}
.check-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line);}
.progress-wrap{flex:1 1 220px;min-width:200px;}
.progress-track{height:8px;border-radius:999px;background:rgba(125,211,252,.13);overflow:hidden;}
.progress-fill{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--ok));transition:width .35s ease;}
.check-count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:8px;}
.check-aside{
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
}
.check-aside h3{font-size:1.06rem;margin-bottom:14px;}
.check-aside ul{display:grid;gap:14px;}
.check-aside li{font-size:13.8px;color:var(--muted);line-height:1.75;padding-left:16px;position:relative;}
.check-aside li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;
  border-radius:2px;background:var(--primary);opacity:.85;
}
.check-aside .aside-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-size:13.5px;font-weight:700;color:var(--primary);}
.check-aside .aside-link .arrow{transition:transform .2s ease;}
.check-aside .aside-link:hover .arrow{transform:translateX(4px);}

/* ---------- 保护模块行 ---------- */
.protect-rows{border-top:1px solid var(--line);}
.protect-row{
  display:grid;grid-template-columns:290px 1fr;gap:44px;
  padding:36px 0;border-bottom:1px solid var(--line);
  align-items:start;
}
.protect-row .row-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:46px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--primary);border:1px solid var(--line-strong);
  background:rgba(92,225,230,.07);margin-bottom:14px;
}
.protect-row h3{font-size:1.24rem;margin-bottom:10px;}
.protect-row .row-desc{font-size:14px;color:var(--muted);line-height:1.8;}
.tip-list{display:grid;gap:14px;}
.tip-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:rgba(11,26,44,.72);
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px 18px;
  font-size:14.5px;line-height:1.75;color:#d3e5f2;
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.tip-list li:hover{border-color:var(--line-strong);transform:translateY(-2px);background:rgba(16,36,58,.82);}
.tip-list li .num{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--primary);background:rgba(92,225,230,.1);
  border:1px solid rgba(92,225,230,.24);margin-top:1px;
}
.tip-list li strong{color:#eff8ff;font-weight:700;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:330px 1fr;gap:48px;align-items:start;}
.faq-side{position:sticky;top:96px;}
.faq-side h2{font-size:clamp(1.5rem,2.6vw,2.05rem);margin:14px 0 14px;}
.faq-side p{color:var(--muted);font-size:14.5px;line-height:1.85;}
.faq-side .btn{margin-top:22px;}
.faq-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.faq-accordion .accordion-item:first-of-type{border-top:1px solid var(--line);}
.faq-accordion .accordion-header{margin:0;}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text);
  font-size:1rem;font-weight:700;line-height:1.6;
  padding:20px 46px 20px 18px;
  border-radius:0;box-shadow:none;
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);
  background:rgba(92,225,230,.055);
  box-shadow:inset 3px 0 0 var(--primary);
}
.faq-accordion .accordion-button:focus{box-shadow:inset 3px 0 0 var(--primary);border-color:transparent;}
.faq-accordion .accordion-button::after{display:none;}
.faq-accordion .accordion-button::before{
  content:"+";
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:500;color:var(--primary);line-height:1;
}
.faq-accordion .accordion-button:not(.collapsed)::before{content:"–";}
.faq-accordion .accordion-body{
  padding:4px 46px 22px 18px;
  color:var(--muted);font-size:14.5px;line-height:1.9;
}
.faq-accordion .accordion-body p + p{margin-top:10px;}
.faq-accordion .accordion-body ul{display:grid;gap:8px;margin-top:10px;}
.faq-accordion .accordion-body ul li{padding-left:16px;position:relative;}
.faq-accordion .accordion-body ul li::before{
  content:"";position:absolute;left:0;top:10px;width:5px;height:5px;
  border-radius:50%;background:var(--primary);
}

/* ---------- CTA ---------- */
.cta-panel{
  display:grid;grid-template-columns:1fr auto;gap:34px;align-items:center;
  background:rgba(11,26,44,.66);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:40px 42px;
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(1.4rem,2.4vw,1.95rem);margin-bottom:12px;}
.cta-panel p{color:var(--muted);font-size:14.8px;line-height:1.85;max-width:52em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#04080f;
  border-top:1px solid var(--line);
  padding:60px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-desc{font-size:13.6px;color:var(--muted);line-height:1.85;max-width:30em;}
.footer-thumb{width:132px;height:auto;border-radius:12px;border:1px solid var(--line);margin-top:18px;}
.footer-col h4{font-size:14px;font-weight:700;color:#dcecf8;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul li{font-size:13.6px;color:var(--muted);line-height:1.7;}
.footer-col ul li a{color:var(--muted);text-decoration:none;}
.footer-col ul li a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 26px;justify-content:space-between;
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line);
  font-size:12.8px;color:#7b93a7;
}
.footer-bottom .sep{margin:0 8px;opacity:.5;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:36px;}
  .check-layout{grid-template-columns:1fr 300px;gap:28px;}
  .protect-row{grid-template-columns:240px 1fr;gap:32px;}
  .faq-layout{grid-template-columns:290px 1fr;gap:36px;}
}

@media (max-width:991.98px){
  .nav-pill{
    position:absolute;top:72px;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px;border-radius:0 0 20px 20px;
    background:#07111f;border:1px solid var(--line);border-top:0;
    box-shadow:0 24px 40px -20px rgba(0,0,0,.9);
  }
  .site-header.nav-open .nav-pill{display:flex;}
  .nav-pill a{padding:14px 18px;border-radius:12px;font-size:15px;}
  .nav-pill a.active{box-shadow:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-card{max-width:560px;}
  .page-hero{padding:32px 0 52px;}
  .check-layout{grid-template-columns:1fr;}
  .protect-row{grid-template-columns:1fr;gap:20px;padding:30px 0;}
  .faq-layout{grid-template-columns:1fr;gap:30px;}
  .faq-side{position:static;}
  .cta-panel{grid-template-columns:1fr;gap:24px;padding:32px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:60px 0;}
}

@media (max-width:767.98px){
  .container-x,.container-wide{padding:0 18px;}
  .nav-wrap{height:66px;gap:12px;}
  .brand-name{font-size:.95rem;}
  .brand-sub{font-size:9.5px;letter-spacing:.2em;}
  .nav-pill{top:66px;}
  .nav-actions .btn-sm{display:none;}
  .page-hero h1{font-size:clamp(1.85rem,7vw,2.5rem);}
  .hero-lead{font-size:.98rem;}
  .hero-actions .btn{flex:1 1 100%;}
  .section{padding:52px 0;}
  .check-panel,.check-aside{padding:20px;}
  .alert-band{padding:18px;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-actions .btn{flex:1 1 100%;}
}

@media (max-width:519.98px){
  .brand-mark{width:30px;height:30px;flex:0 0 30px;}
  .brand-mark::after{inset:8px;}
  .brand-name{font-size:.9rem;}
  .hero-meta{flex-direction:column;gap:10px;}
  .check-item label{font-size:14.2px;}
  .faq-accordion .accordion-button{font-size:.95rem;padding:18px 42px 18px 14px;}
  .faq-accordion .accordion-body{padding:4px 20px 20px 14px;}
  .tip-list li{font-size:14px;padding:14px 15px;}
}

/* roulang page: category4 */
:root{
  --ink-950:#050a12;
  --ink-900:#07111f;
  --ink-800:#0b1a2c;
  --ink-700:#10243a;
  --line:rgba(125,211,252,.16);
  --line-strong:rgba(92,225,230,.42);
  --text:#eaf4fb;
  --muted:#93a9bb;
  --primary:#5ce1e6;
  --primary-deep:#2bb8c9;
  --accent:#ffb45c;
  --accent-hot:#ff7a59;
  --ok:#63e6a8;
  --danger:#ff6b7a;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-card:0 18px 42px rgba(2,8,16,.55);
  --shadow-soft:0 8px 24px rgba(2,8,16,.38);
  --glow:0 10px 28px rgba(43,184,201,.30);
  --ease:200ms cubic-bezier(.4,.2,.2,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--ink-950);
  background-image:
    linear-gradient(rgba(125,211,252,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(125,211,252,.055) 1px,transparent 1px),
    radial-gradient(circle at 82% 6%,rgba(43,184,201,.13),transparent 46%),
    radial-gradient(circle at 6% 42%,rgba(255,180,92,.07),transparent 42%);
  background-size:64px 64px,64px 64px,auto,auto;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary);}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.28;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container-wide{max-width:1280px;margin:0 auto;padding:0 24px;}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,10,18,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,17,31,.96);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px rgba(2,8,16,.5);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--primary),var(--primary-deep) 62%,#0a2438);
  box-shadow:0 0 0 1px rgba(92,225,230,.35),0 8px 18px rgba(43,184,201,.30);
  position:relative;
}
.brand-mark::before{
  content:"";position:absolute;inset:9px;border-radius:50%;
  border:2px solid rgba(4,20,26,.85);
  border-top-color:rgba(4,20,26,.2);
  border-right-color:rgba(4,20,26,.2);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;border-radius:50%;
  background:#04141a;transform:translate(-50%,-50%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:1.02rem;font-weight:800;letter-spacing:.4px;color:var(--text);white-space:nowrap;}
.brand-sub{font-size:.68rem;color:var(--primary);letter-spacing:2.6px;font-weight:600;}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  padding:5px;border-radius:999px;
  background:rgba(11,26,44,.72);
  border:1px solid var(--line);
}
.nav-pill a{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  font-size:.92rem;color:var(--muted);font-weight:500;white-space:nowrap;
  transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-pill a:hover{color:var(--text);background:rgba(92,225,230,.09);}
.nav-pill a.active{
  color:#04161c;font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 6px 18px rgba(43,184,201,.32);
}
.nav-pill a.active:hover{color:#04161c;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:12px;
  font-size:.95rem;font-weight:700;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:.88rem;border-radius:999px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04161c;box-shadow:var(--glow);
}
.btn-primary:hover,.btn-primary:focus{color:#04161c;transform:translateY(-2px);box-shadow:0 14px 34px rgba(43,184,201,.44);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(43,184,201,.30);}
.btn-ghost{
  background:rgba(11,26,44,.55);border-color:var(--line);color:var(--text);
}
.btn-ghost:hover,.btn-ghost:focus{color:var(--text);border-color:var(--line-strong);background:rgba(16,36,58,.8);transform:translateY(-2px);}
.btn-weak{
  background:transparent;border:0;color:var(--primary);padding:0;min-height:44px;font-weight:700;
}
.btn-weak .arrow{transition:transform var(--ease);display:inline-block;}
.btn-weak:hover .arrow{transform:translateX(4px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(11,26,44,.75);border:1px solid var(--line);
  position:relative;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--primary);transform:translateX(-50%);transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";left:0;top:-6px;transform:none;}
.nav-toggle span::after{content:"";left:0;top:6px;transform:none;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- Breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:22px 0 0;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:rgba(147,169,187,.55);}
.crumb .current{color:var(--text);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(100deg,rgba(5,10,18,.96) 12%,rgba(7,17,31,.82) 52%,rgba(5,10,18,.94) 100%),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(92,225,230,.14);
  box-shadow:0 0 0 60px rgba(92,225,230,.035),0 0 0 130px rgba(92,225,230,.022);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:56px 0 64px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 14px;border-radius:999px;
  background:rgba(92,225,230,.10);border:1px solid rgba(92,225,230,.28);
  font-size:.78rem;letter-spacing:1.6px;color:var(--primary);font-weight:700;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(255,180,92,.18);}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(2.1rem,5vw,3.4rem);
  font-weight:800;letter-spacing:.5px;
}
.page-hero h1 .hl{
  background:linear-gradient(180deg,transparent 62%,rgba(92,225,230,.24) 62%);
}
.hero-lead{margin-top:18px;max-width:560px;color:var(--muted);font-size:1.04rem;line-height:1.8;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;}
.hero-meta li{display:flex;align-items:center;gap:8px;font-size:.86rem;color:var(--muted);}
.hero-meta li .tick{width:16px;height:16px;border-radius:50%;background:rgba(99,230,168,.14);border:1px solid rgba(99,230,168,.4);position:relative;flex:0 0 auto;}
.hero-meta li .tick::after{content:"";position:absolute;left:5px;top:3px;width:4px;height:7px;border:2px solid var(--ok);border-top:0;border-left:0;transform:rotate(42deg);}
.hero-card{
  border-radius:var(--radius-lg);overflow:hidden;
  background:rgba(11,26,44,.66);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.hero-card-figure{position:relative;aspect-ratio:16/10;overflow:hidden;}
.hero-card-figure img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.hero-card:hover .hero-card-figure img{transform:scale(1.03);}
.hero-card-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,18,.05),rgba(5,10,18,.72));}
.hero-card-body{padding:20px 22px 24px;}
.status-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;font-size:.76rem;font-weight:700;letter-spacing:.6px;
  background:rgba(99,230,168,.12);color:var(--ok);border:1px solid rgba(99,230,168,.34);
}
.status-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok);}
.hero-card-body h2{font-size:1.12rem;margin-top:14px;font-weight:700;}
.hero-card-body p{margin-top:8px;font-size:.88rem;color:var(--muted);line-height:1.7;}
.hero-card-list{margin-top:16px;display:grid;gap:10px;}
.hero-card-list li{display:flex;justify-content:space-between;gap:12px;font-size:.85rem;color:var(--muted);border-top:1px dashed rgba(125,211,252,.14);padding-top:10px;}
.hero-card-list li:first-child{border-top:0;padding-top:0;}
.hero-card-list li b{color:var(--text);font-weight:700;}

/* ---------- Sections ---------- */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-tag{
  display:inline-block;font-size:.75rem;letter-spacing:2.4px;font-weight:700;color:var(--primary);
  text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(1.55rem,3vw,2.15rem);}
.section-head p{margin-top:14px;color:var(--muted);font-size:.98rem;line-height:1.8;}

/* ---------- Search panel ---------- */
.search-panel{
  border-radius:var(--radius-lg);
  background:linear-gradient(150deg,rgba(16,36,58,.9),rgba(11,26,44,.9));
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  padding:30px 32px;
}
.search-panel h2{font-size:1.28rem;}
.search-panel p{margin-top:8px;color:var(--muted);font-size:.9rem;}
.search-row{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap;}
.search-field{position:relative;flex:1 1 320px;min-width:240px;}
.search-field input{
  width:100%;height:52px;border-radius:14px;padding:0 16px 0 46px;
  background:rgba(5,10,18,.72);
  border:1px solid var(--line);
  color:var(--text);font-size:.96rem;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-field input::placeholder{color:rgba(147,169,187,.75);}
.search-field input:focus{
  outline:none;border-color:var(--line-strong);
  background:rgba(5,10,18,.92);
  box-shadow:0 0 0 4px rgba(92,225,230,.12);
}
.search-field .glass-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;border-radius:50%;border:2px solid var(--primary);opacity:.85;
}
.search-field .glass-icon::after{
  content:"";position:absolute;right:-6px;bottom:-4px;width:8px;height:2px;background:var(--primary);
  transform:rotate(45deg);border-radius:2px;
}
.hot-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;}
.hot-tags span.label{font-size:.8rem;color:var(--muted);letter-spacing:.6px;}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  font-size:.82rem;color:var(--muted);
  background:rgba(92,225,230,.07);
  border:1px solid rgba(92,225,230,.22);
  transition:all var(--ease);cursor:pointer;
}
.chip:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(92,225,230,.14);transform:translateY(-1px);}

/* ---------- Help layout ---------- */
.help-layout{display:grid;grid-template-columns:268px minmax(0,1fr);gap:36px;align-items:start;}
.index-card{
  position:sticky;top:96px;
  border-radius:var(--radius-md);
  background:linear-gradient(160deg,rgba(16,36,58,.88),rgba(11,26,44,.92));
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  padding:22px 20px;
}
.index-card h2{font-size:.95rem;letter-spacing:1.4px;color:var(--muted);font-weight:700;margin-bottom:14px;}
.index-list{display:grid;gap:6px;}
.index-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:0 12px;border-radius:10px;
  font-size:.9rem;color:var(--muted);
  border-left:2px solid transparent;
  transition:all var(--ease);
}
.index-list a .count{
  font-size:.74rem;color:rgba(147,169,187,.8);
  font-variant-numeric:tabular-nums;
  background:rgba(125,211,252,.09);border-radius:999px;padding:1px 8px;
}
.index-list a:hover{color:var(--text);background:rgba(92,225,230,.08);border-left-color:var(--primary);}
.index-list a:hover .count{color:var(--primary);}
.index-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:.8rem;color:var(--muted);line-height:1.7;
}
.index-note b{color:var(--primary);font-weight:700;}

.faq-group{margin-bottom:34px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-head{display:flex;align-items:baseline;gap:12px;margin-bottom:14px;flex-wrap:wrap;}
.faq-group-head h2{font-size:1.24rem;}
.faq-group-head .num{
  font-size:.76rem;font-weight:800;letter-spacing:1px;color:#04161c;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  border-radius:8px;padding:2px 9px;
}
.faq-group-head .sub{font-size:.82rem;color:var(--muted);}

.acc .accordion-item{
  background:linear-gradient(150deg,rgba(16,36,58,.78),rgba(11,26,44,.9));
  border:1px solid var(--line);
  border-radius:var(--radius-md) !important;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.acc .accordion-item:hover{border-color:rgba(92,225,230,.30);transform:translateY(-2px);box-shadow:var(--shadow-soft);}
.acc .accordion-header{margin:0;}
.acc .accordion-button{
  position:relative;
  width:100%;text-align:left;
  background:transparent;border:0;box-shadow:none !important;
  color:var(--text);
  font-size:1rem;font-weight:700;line-height:1.6;
  padding:18px 52px 18px 20px;
  border-radius:0;
  display:block;
}
.acc .accordion-button:not(.collapsed){color:var(--primary);background:rgba(92,225,230,.05);}
.acc .accordion-button::before,
.acc .accordion-button::after{
  content:"";position:absolute;right:22px;top:50%;
  background:var(--primary);border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.acc .accordion-button::before{width:14px;height:2px;transform:translateY(-50%);}
.acc .accordion-button::after{width:2px;height:14px;transform:translateY(-50%);}
.acc .accordion-button:not(.collapsed)::before{transform:translateY(-50%) rotate(180deg);}
.acc .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);opacity:0;}
.acc .accordion-body{
  padding:2px 22px 20px;color:var(--muted);font-size:.94rem;line-height:1.85;
  border-top:1px dashed rgba(125,211,252,.14);
  margin-top:2px;padding-top:16px;
}
.acc .accordion-body p+p{margin-top:10px;}
.acc .accordion-body ul{margin-top:10px;display:grid;gap:8px;}
.acc .accordion-body ul li{position:relative;padding-left:18px;}
.acc .accordion-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:2px;
  background:var(--primary);opacity:.8;
}
.acc .accordion-body strong{color:var(--text);font-weight:700;}

/* ---------- Steps ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step-card{
  position:relative;padding:26px 24px 24px;border-radius:var(--radius-md);
  background:linear-gradient(155deg,rgba(16,36,58,.85),rgba(11,26,44,.92));
  border:1px solid var(--line);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(92,225,230,.32);box-shadow:var(--shadow-card);}
.step-card .step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  font-weight:800;font-variant-numeric:tabular-nums;
  color:#04161c;background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 8px 20px rgba(43,184,201,.28);
}
.step-card h3{margin-top:16px;font-size:1.06rem;}
.step-card p{margin-top:8px;font-size:.9rem;color:var(--muted);line-height:1.8;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:44px 48px;
  background:rgba(11,26,44,.66);
  border:1px solid rgba(92,225,230,.30);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 24px 60px rgba(2,8,16,.6),inset 0 1px 0 rgba(92,225,230,.16);
  display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;
}
.cta-panel::before{
  content:"";position:absolute;right:-90px;bottom:-140px;width:380px;height:380px;border-radius:50%;
  border:1px solid rgba(92,225,230,.16);
  box-shadow:0 0 0 44px rgba(92,225,230,.03),0 0 0 96px rgba(92,225,230,.02);
}
.cta-panel h2{font-size:clamp(1.45rem,2.6vw,2rem);}
.cta-panel p{margin-top:14px;color:var(--muted);font-size:.96rem;line-height:1.85;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2;}
.cta-actions .btn{width:100%;}
.cta-hint{font-size:.78rem;color:rgba(147,169,187,.85);line-height:1.7;}

/* ---------- Back links ---------- */
.back-links{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 0 0;border-top:1px solid var(--line);margin-top:12px;
}
.back-links .links{display:flex;flex-wrap:wrap;gap:22px;}
.back-links a{font-size:.9rem;color:var(--muted);font-weight:600;display:inline-flex;align-items:center;gap:6px;min-height:44px;}
.back-links a:hover{color:var(--primary);}
.back-links a .arrow{transition:transform var(--ease);}
.back-links a:hover .arrow{transform:translateX(4px);}
.back-links .tip{font-size:.8rem;color:rgba(147,169,187,.8);}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:96px;
  background:linear-gradient(180deg,rgba(5,10,18,.4),rgba(4,8,14,.98) 32%);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-desc{margin-top:16px;font-size:.88rem;color:var(--muted);line-height:1.8;max-width:320px;}
.footer-thumb{margin-top:18px;width:140px;border-radius:12px;border:1px solid var(--line);opacity:.9;}
.footer-col h4{font-size:.92rem;letter-spacing:.8px;color:var(--text);margin-bottom:16px;font-weight:700;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul li a{font-size:.88rem;color:var(--muted);}
.footer-col ul li a:hover{color:var(--primary);}
.footer-col ul li span{font-size:.86rem;color:var(--muted);line-height:1.7;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.8rem;color:rgba(147,169,187,.8);
}
.footer-bottom .sep{margin:0 8px;color:rgba(147,169,187,.5);}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .help-layout{grid-template-columns:236px minmax(0,1fr);gap:28px;}
  .cta-panel{padding:38px 34px;}
}
@media (max-width:991.98px){
  .nav-pill{
    position:fixed;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:18px 20px 24px;
    border-radius:0;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    background:rgba(7,17,31,.985);
    box-shadow:0 22px 44px rgba(2,8,16,.6);
    display:none;
    max-height:calc(100vh - 72px);overflow-y:auto;
  }
  body.nav-open .nav-pill{display:flex;}
  .nav-pill a{height:48px;border-radius:12px;padding:0 14px;border-left:3px solid transparent;font-size:.98rem;}
  .nav-pill a.active{
    background:rgba(92,225,230,.12);color:var(--primary);border-left-color:var(--primary);box-shadow:none;font-weight:700;
  }
  .nav-pill a.active:hover{color:var(--primary);}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:44px 0 52px;}
  .hero-card{max-width:520px;}
  .help-layout{grid-template-columns:1fr;gap:26px;}
  .index-card{position:static;}
  .index-list{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin;}
  .index-list a{
    flex:0 0 auto;border-left:0;border:1px solid var(--line);border-radius:999px;
    white-space:nowrap;padding:0 16px;
  }
  .index-list a:hover{border-left-color:var(--line);border-color:var(--line-strong);}
  .index-note{margin-top:14px;}
  .steps-grid{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;padding:32px 28px;gap:26px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .cta-actions .btn{width:auto;flex:1 1 180px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{margin-top:64px;padding-top:52px;}
}
@media (max-width:767.98px){
  .container-wide,.container-x{padding:0 18px;}
  .section{padding:56px 0;}
  .section-tight{padding:40px 0;}
  .brand-name{font-size:.95rem;}
  .brand-sub{letter-spacing:2px;}
  .search-panel{padding:24px 20px;}
  .search-row{gap:10px;}
  .search-field input{height:50px;}
  .search-row .btn{width:100%;}
  .faq-group{margin-bottom:28px;}
  .acc .accordion-button{font-size:.95rem;padding:16px 48px 16px 16px;}
  .acc .accordion-body{padding-left:16px;padding-right:16px;font-size:.92rem;}
  .cta-panel{padding:28px 22px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .back-links{flex-direction:column;align-items:flex-start;gap:8px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .hero-meta{gap:8px 18px;}
  .hero-meta li{font-size:.82rem;}
  .page-hero h1{font-size:clamp(1.9rem,7.4vw,2.5rem);}
  .hot-tags span.label{width:100%;}
  .hero-card-body{padding:18px;}
  .step-card{padding:22px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}