/* ============================================================
   99xch.live — shared site theme (tokens, header, access panel,
   footer, WhatsApp float). Page-unique rules live inline.
   ============================================================ */
:root{
  --blue:#1a3aa8; --blue-d:#0a1f6e; --blue-l:#2444c4; --blue-x:#3b5fe0;
  --gold:#ffc81e; --gold-l:#ffe07a; --gold-d:#e0a800;
  --wa:#25d366; --wa-d:#128c40;
  --ink:#0d1b3e; --paper:#ffffff; --paper2:#f3f6ff; --line:#dfe6fb;
  --text:#eef2ff; --muted:#b8c4ee; --muted-d:#5a6790;
  --maxw:1140px; --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:clip}
body{
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  background:linear-gradient(180deg,#1a3aa8 0%,#16309a 42%,#122880 100%) fixed,#16309a;
  color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:clip;max-width:100%
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 18px}
h1,h2,h3,h4,h5{line-height:1.24;font-weight:800;letter-spacing:-.4px}
h1{font-size:clamp(1.75rem,5vw,2.85rem)}
h2{font-size:clamp(1.4rem,3.4vw,2.1rem);margin-bottom:14px}
h3{font-size:1.2rem;margin:24px 0 9px}
h4{font-size:1.02rem;margin:16px 0 7px}
p{margin-bottom:14px}
ul,ol{padding-left:20px;line-height:1.95;margin-bottom:14px}
strong{color:#fff}
.gold{color:var(--gold)}

/* Skip link */
.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--gold);color:#241c00;
  font-weight:800;padding:10px 18px;border-radius:0 0 10px 0}
.skip-link:focus{left:0}

/* ---------- Header ---------- */
header{position:sticky;top:0;z-index:60;width:100%;max-width:100vw;background:rgba(10,31,110,.94);
  backdrop-filter:blur(9px);border-bottom:2px solid rgba(255,200,30,.35)}
header .nav{display:flex;align-items:center;gap:14px;height:62px;position:relative}
.logo img{width:104px;height:40px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:20px;margin-left:auto;font-size:.92rem;font-weight:600}
.nav-links a{color:#dbe3ff;padding:5px 0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s}
.nav-links a:hover{color:var(--gold)}
.nav-links a[aria-current="page"]{color:var(--gold);border-bottom-color:var(--gold)}
.menu-btn{display:none;background:none;border:1.5px solid rgba(255,200,30,.5);color:var(--gold);
  font-size:1.25rem;line-height:1;padding:6px 11px;border-radius:9px;cursor:pointer;margin-left:auto}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:800;
  padding:13px 24px;border-radius:10px;cursor:pointer;white-space:nowrap;max-width:100%;
  transition:transform .15s ease,box-shadow .15s ease;border:none;font-size:1rem}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold) linear-gradient(180deg,var(--gold-l),var(--gold));color:#2b2000;
  box-shadow:0 7px 20px rgba(255,200,30,.32)}
.btn-blue{background:var(--blue) linear-gradient(180deg,var(--blue-x),var(--blue));color:#fff;
  box-shadow:0 7px 20px rgba(36,68,196,.4)}
.btn-wa{background:var(--wa) linear-gradient(180deg,#2ee06f,var(--wa));color:#04331a;
  box-shadow:0 7px 20px rgba(37,211,102,.32)}
.btn-ghost{border:1.6px solid rgba(255,255,255,.28);color:#fff;background:#22389c}
.btn-sm{padding:9px 16px;font-size:.88rem;border-radius:8px}
header .btn{padding:9px 17px;font-size:.9rem}

/* ---------- Access panel (login / sign-up card under header) ---------- */
.access{padding:30px 0 26px;background:
  radial-gradient(700px 300px at 50% -30%,rgba(255,200,30,.14),transparent 70%)}
.access-card{max-width:420px;margin:0 auto;background:var(--paper);border-radius:16px;
  padding:24px 22px 22px;box-shadow:0 18px 46px rgba(4,14,55,.42);color:var(--ink)}
.access-title{text-align:center;font-size:1.35rem;font-weight:800;color:var(--blue);margin-bottom:4px;letter-spacing:-.3px}
.access .btn-ghost{border:1.6px solid var(--line);color:var(--blue);background:var(--paper2)}
.access .btn-ghost:hover{background:#e8eeff}
.access-sub{text-align:center;font-size:.86rem;color:var(--muted-d);margin-bottom:16px}
.access-tabs{display:flex;gap:6px;background:var(--paper2);padding:5px;border-radius:11px;margin-bottom:16px}
.access-tabs button{flex:1;border:none;background:none;font:inherit;font-weight:800;font-size:.92rem;
  color:var(--muted-d);padding:9px 6px;border-radius:8px;cursor:pointer;transition:background .15s,color .15s}
.access-tabs button[aria-selected="true"]{background:var(--blue);color:#fff}
.access-pane[hidden]{display:none}
.access-row{display:flex;align-items:center;gap:11px;background:var(--paper2);border:1.5px solid var(--line);
  border-radius:10px;padding:11px 13px;margin-bottom:10px;font-size:.93rem;color:#33406b}
.access-row .ico{font-size:1.1rem;line-height:1;flex:none}
.access .btn{width:100%;margin-bottom:9px}
.access-note{font-size:.76rem;color:var(--muted-d);text-align:center;line-height:1.55;margin:10px 0 0}
.access-mail{display:block;text-align:center;font-size:.85rem;color:var(--blue);font-weight:700;margin-top:8px}
.access-sep{border:0;border-top:1.5px dashed var(--line);margin:15px 0 13px}

/* ---------- Layout helpers ---------- */
main{display:block;max-width:100%;overflow-x:clip}
.section{padding:52px 0}
.narrow{max-width:880px;margin:0 auto}
.lead{font-size:1.1rem;color:#dce4ff}
.crumb{font-size:.83rem;color:var(--muted);padding-top:14px}
.crumb a:hover{color:var(--gold)}
.eyebrow{display:inline-block;font-size:.75rem;font-weight:800;letter-spacing:2px;text-transform:uppercase;
  color:var(--gold);background:rgba(255,200,30,.12);border:1px solid rgba(255,200,30,.3);
  padding:5px 12px;border-radius:99px;margin-bottom:12px}
.card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r);padding:20px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* Figures */
figure{margin:26px 0}
figure img{border-radius:var(--r);width:100%;box-shadow:0 12px 34px rgba(4,14,55,.38)}
figcaption{font-size:.84rem;color:var(--muted);text-align:center;margin-top:9px;font-style:italic}

/* Tables */
.tbl-wrap{overflow-x:auto;margin:18px 0;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.93rem;
  background:rgba(255,255,255,.05);border-radius:10px;overflow:hidden}
th,td{padding:11px 13px;text-align:left;border-bottom:1px solid rgba(255,255,255,.1)}
th{background:rgba(10,31,110,.75);color:var(--gold);font-weight:800;font-size:.86rem;
  text-transform:uppercase;letter-spacing:.6px}
tbody tr:hover{background:rgba(255,255,255,.05)}

/* FAQ */
details{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  border-radius:11px;padding:14px 16px;margin-bottom:10px}
details[open]{background:rgba(255,255,255,.09);border-color:rgba(255,200,30,.32)}
summary{font-weight:800;cursor:pointer;color:#fff;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--gold);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"\2212"}
details p{margin:11px 0 0;color:var(--muted)}

/* People also search for */
.also-search{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.also-search span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
  border-radius:99px;padding:7px 14px;font-size:.83rem;color:#cdd8ff}

/* ---------- Footer ---------- */
footer{background:rgba(6,20,76,.92);border-top:2px solid rgba(255,200,30,.3);padding:44px 0 96px;margin-top:44px}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
footer h2,footer h3{font-size:.98rem;color:var(--gold);margin-bottom:12px;letter-spacing:.4px}
footer p,footer li{font-size:.88rem;color:var(--muted);line-height:1.85}
footer ul{list-style:none;padding:0}
footer a:hover{color:var(--gold)}
.f-logo img{width:122px;height:47px;object-fit:contain;margin-bottom:12px}
.f-h{font-size:.98rem;font-weight:800;color:var(--gold);margin-bottom:12px;letter-spacing:.4px;line-height:1.24}
footer ul li a{display:inline-block;padding:7px 0}
.f-social{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:12px}
.f-social a{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:10px;transition:transform .15s,opacity .15s}
.f-social a:hover{transform:translateY(-2px);opacity:.9}
.f-social svg{width:24px;height:24px;display:block}
.tp-badge{display:inline-flex;align-items:center;gap:8px;min-height:44px;margin-top:12px;padding:8px 13px;
  border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  font-size:.84rem;font-weight:700;color:#fff}
.tp-badge svg{width:20px;height:20px;flex:none}
.f-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;
  font-size:.8rem;color:var(--muted);text-align:center;line-height:1.8}
.age{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border:2px solid #ff6b6b;color:#ff9d9d;border-radius:50%;font-weight:800;font-size:.78rem;margin-bottom:9px}

/* ---------- WhatsApp float ---------- */
.wa-float{position:fixed;right:18px;bottom:18px;width:60px;height:60px;border-radius:50%;
  background:var(--wa);display:flex;align-items:center;justify-content:center;z-index:80;
  box-shadow:0 8px 24px rgba(37,211,102,.5);animation:wapulse 2.1s infinite}
.wa-float svg{width:34px;height:34px;fill:#fff}
@keyframes wapulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.6)}70%{box-shadow:0 0 0 18px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ---------- Responsive ---------- */
@media(max-width:900px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:1fr}.f-grid{grid-template-columns:1fr 1fr}}
@media(max-width:940px){
  .menu-btn{display:block}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;margin:0;background:#0a1f6e;border-bottom:2px solid rgba(255,200,30,.35);
    box-shadow:0 16px 34px rgba(3,10,45,.5);padding:6px 0
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-links a[aria-current="page"]{border-bottom-color:rgba(255,255,255,.08);background:rgba(255,200,30,.09)}
  header .btn{margin-left:auto}
  .logo img{width:94px;height:36px}
}
@media(max-width:620px){
  .g2,.g4,.f-grid{grid-template-columns:1fr}
  .section{padding:40px 0}
  header .btn{display:none}
  .access-card{max-width:100%}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- Inner-page head block (shared by all guide pages) ---------- */
.ph{padding:34px 0 6px}
.ph h1{margin-bottom:12px;max-width:820px}
.ph-cta{display:flex;gap:12px;flex-wrap:wrap;margin:6px 0 0}
.answer{background:linear-gradient(135deg,rgba(255,200,30,.15),rgba(255,255,255,.05));
  border-left:5px solid var(--gold);border-radius:0 14px 14px 0;padding:20px 22px;margin:22px 0}
.answer p{margin:0;font-size:1.08rem;color:#eef2ff}
.answer .tag{display:block;font-size:.72rem;letter-spacing:1.8px;text-transform:uppercase;
  color:var(--gold);font-weight:800;margin-bottom:7px}
.cta-box{text-align:center;border-left:none;border:1.5px solid rgba(255,200,30,.35);
  border-radius:18px;padding:30px 24px}
.cta-box p{margin-bottom:16px}
.upd{font-size:.83rem;color:var(--muted);font-style:italic;margin-top:-4px}

/* ---------- Full-screen login iframe (replaces the access panel) ---------- */
.loginframe{background:var(--blue-d);padding:0;position:relative}
.loginframe iframe{display:block;width:100%;height:calc(100vh - 62px);min-height:540px;border:0;background:var(--blue-d)}
.loginframe-note{margin:0;padding:11px 18px;font-size:.76rem;color:var(--muted);text-align:center;
  background:rgba(6,20,76,.92);line-height:1.55;border-top:1px solid rgba(255,200,30,.25)}
@media(max-width:760px){.loginframe iframe{height:calc(100vh - 56px);min-height:480px}}

/* ---------- Focus ring ---------- */
a:focus-visible,button:focus-visible,summary:focus-visible,.seo-box:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* ---------- SEO keyword box (scrollable, bottom of every page) ---------- */
.seo-box{max-height:430px;overflow-y:auto;background:rgba(6,20,76,.55);border:1px solid rgba(255,200,30,.28);
  border-radius:var(--r);padding:22px 22px 10px;-webkit-overflow-scrolling:touch}
.seo-box h2{font-size:clamp(1.15rem,2.6vw,1.45rem);margin-bottom:10px}
.seo-box h3{font-size:1.02rem;margin:16px 0 6px}
.seo-box p,.seo-box li,.seo-box dd,.seo-box td,.seo-box th{font-size:.93rem;color:#dbe3ff}
.seo-box ul,.seo-box ol{margin-bottom:12px;line-height:1.8}
.seo-box dt{font-weight:800;color:var(--gold);margin-top:10px}
.seo-box dd{margin:2px 0 0}
.seo-box table{min-width:0}
.seo-box .kv{display:grid;grid-template-columns:minmax(0,12rem) 1fr;gap:6px 16px;margin-bottom:12px}
.seo-box .kv b{color:var(--gold)}
.seo-box .duo{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.seo-box .qa-b p{margin-bottom:10px}
@media(max-width:620px){.seo-box .kv,.seo-box .duo{grid-template-columns:1fr}.seo-box{padding:18px 16px 8px}}