:root{--theme:#bc3554;--theme-dark:#8f2842;--theme-deep:#4f1224;--theme-light:#fff5f7;--theme-soft:#fbe5eb;--theme-accent:#e56b87;--theme-hover:#a62e4b;--theme-border:rgba(188,53,84,.28);--header-bg:#681a31;--header-bg-2:#842b45;--text-main:#351a23;--text-muted:#75535d;--on-theme:#ffffff;--on-header:#fff8fa;--on-dark:#fff8fa;--white:#fff;--shadow-soft:0 18px 48px rgba(79,18,36,.18)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;overflow-x:hidden;overflow-y:auto}body{font-family:Arial,Helvetica,sans-serif;background:var(--theme-light);color:var(--text-main);line-height:1.65}a{color:var(--theme-dark)}img{max-width:100%}.container,.section-inner,.header-inner,.footer-inner,.hero-inner{width:min(1280px,calc(100% - 80px));margin-left:auto;margin-right:auto}
.site-header{position:sticky;top:0;width:100%;z-index:9999;background:linear-gradient(180deg,var(--header-bg),var(--header-bg-2));color:var(--on-header);box-shadow:var(--shadow-soft);border-bottom:1px solid rgba(255,255,255,.16)}.header-inner{min-height:82px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px}.site-logo{display:inline-flex;align-items:center;justify-content:center}.site-logo img{display:block;width:auto;height:auto;max-width:190px;max-height:72px;object-fit:contain}.main-nav{display:flex;justify-content:center;align-items:center;gap:18px}.main-nav a{color:var(--on-header);text-decoration:none;white-space:nowrap;font-size:14px;font-weight:700;padding:28px 0 24px;border-bottom:3px solid transparent}.main-nav a.active,.main-nav a:hover{color:var(--theme-accent);border-bottom-color:var(--theme-accent)}.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,var(--theme-accent),var(--theme) 48%,var(--theme-dark));color:var(--on-theme);border-radius:999px;box-shadow:0 12px 26px rgba(0,0,0,.18);text-decoration:none;white-space:nowrap;font-weight:800;padding:12px 20px;border:1px solid rgba(255,255,255,.25)}.mobile-menu-toggle{display:none;border:0;background:rgba(255,255,255,.1);color:var(--on-header);border-radius:12px;padding:10px}.mobile-menu-toggle span{display:block;width:22px;height:2px;background:currentColor;margin:4px auto;border-radius:4px}
.section{padding:62px 0}.section.alt{background:var(--theme-soft)}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:28px}.section-head>div{max-width:850px}.section-kicker,.page-kicker,.hero-badge,.hero-tags span{display:inline-flex;align-items:center;width:max-content;border-radius:999px;padding:8px 14px;background:var(--white);border:1px solid var(--theme-border);color:var(--theme-dark);font-weight:800;font-size:13px}.section h2{font-size:clamp(28px,3vw,42px);line-height:1.18;color:var(--theme-dark);margin:12px 0 16px}.section h3{font-size:20px;color:var(--theme-dark);margin:0 0 10px}.lead{font-size:18px;line-height:1.8}.muted{color:var(--text-muted)}.text-link{font-weight:800;text-decoration:none;border-bottom:1px solid var(--theme-border)}
.hero-section{padding:58px 0 38px;background:radial-gradient(circle at 84% 20%,rgba(188,53,84,.16),transparent 35%),linear-gradient(180deg,var(--theme-light),var(--theme-soft))}.hero-inner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);align-items:center;gap:56px;min-height:560px}.hero-content h1{font-size:clamp(42px,4.2vw,64px);line-height:1.08;letter-spacing:-.03em;color:var(--theme-dark);margin:14px 0 20px}.hero-content p{font-size:18px;line-height:1.8;margin:0 0 24px}.hero-tags{display:flex;flex-wrap:wrap;gap:10px}.hero-visual{display:flex;align-items:center;justify-content:center}.hero-media-box{width:min(100%,540px);min-height:320px;max-height:420px;padding:34px;border-radius:32px;background:linear-gradient(145deg,#fff,#fdf0f3);border:1px solid var(--theme-border);box-shadow:var(--shadow-soft);display:flex;align-items:center;justify-content:center;overflow:visible}.hero-media-box img{max-width:70%;max-height:340px;width:auto;height:auto;object-fit:contain;opacity:1}
.info-section{padding:28px 0 42px}.info-grid,.grid-4,.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.grid-3,.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.info-card,.card,.feature-card,.category-card,.term-card,.quote-card,.faq-item,.notice,.page-visual,.media-box{background:var(--white);border:1px solid var(--theme-border);border-radius:24px;box-shadow:var(--shadow-soft);padding:26px;height:auto}.info-card,.category-card{border-top:4px solid var(--theme)}.info-card .num,.category-card .num{color:var(--theme-dark);font-size:28px;font-weight:900}.category-card{display:flex;flex-direction:column}.category-card p,.term-card p,.faq-item p{color:var(--text-muted)}.category-card .text-link{margin-top:auto;align-self:flex-start}.category-section{padding:18px 0 52px}.category-pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.category-pills a,.related-links a{border-radius:999px;padding:9px 15px;background:var(--theme-soft);border:1px solid var(--theme-border);text-decoration:none;font-weight:800;color:var(--theme-dark)}.category-pills a:hover{background:var(--theme);color:var(--on-theme)}
.split{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(320px,.94fr);gap:48px;align-items:center}.media-box{display:flex;align-items:center;justify-content:center;min-height:280px;overflow:visible}.media-box img,.page-visual img{max-width:100%;max-height:310px;width:auto;height:auto;object-fit:contain}.feature-list{list-style:none;padding:0;margin:18px 0;display:grid;gap:10px}.feature-list li{position:relative;padding:12px 14px 12px 40px;background:rgba(255,255,255,.78);border:1px solid var(--theme-border);border-radius:16px}.feature-list li:before{content:'✓';position:absolute;left:14px;color:var(--theme-dark);font-weight:900}
.page-hero{padding:52px 0 36px;background:radial-gradient(circle at 88% 16%,rgba(188,53,84,.16),transparent 34%),linear-gradient(180deg,var(--theme-light),var(--theme-soft))}.page-hero-inner{width:min(1280px,calc(100% - 80px));margin:0 auto;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:48px;align-items:center}.page-hero h1{font-size:clamp(38px,4vw,58px);line-height:1.08;letter-spacing:-.025em;color:var(--theme-dark);margin:14px 0 18px}.page-visual{min-height:280px;display:flex;align-items:center;justify-content:center}.page-visual.textual{display:grid;gap:10px;align-content:center}.page-visual.textual span{display:block;padding:13px 15px;border-radius:14px;background:var(--theme-soft);border:1px solid var(--theme-border);font-weight:800;color:var(--theme-dark)}.term-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.term-card{box-shadow:none;background:linear-gradient(180deg,#fff,#fff8fa);padding:20px}.term-card h3{font-size:18px}.quote-card{position:relative;padding-top:34px}.quote-card:before{content:'“';position:absolute;left:20px;top:7px;font-size:38px;line-height:1;color:var(--theme);font-weight:900}.faq-list{display:grid;gap:15px}.notice{background:linear-gradient(135deg,var(--theme-deep),var(--theme-dark));color:var(--on-dark);border-color:rgba(255,255,255,.15)}.notice h2{color:var(--theme-accent)}.notice p,.notice li{color:var(--on-dark)}.related-links{display:flex;flex-wrap:wrap;gap:10px}
.footer{background:var(--theme-deep);color:var(--on-dark);padding:54px 0 26px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}.footer h2{font-size:18px;color:var(--theme-accent);margin:0 0 13px}.footer a{display:block;color:var(--on-dark);text-decoration:none;padding:4px 0;opacity:.94}.footer-brand img{display:block;max-width:190px;max-height:72px;width:auto;height:auto;object-fit:contain}.footer-brand p,.footer-note p{color:rgba(247,249,255,.84)}.footer-note{border-top:1px solid rgba(255,255,255,.14);margin-top:32px;padding-top:22px}.footer-note strong{color:var(--theme-accent)}
.mobile-drawer{position:fixed;top:0;left:0;width:82%;max-width:320px;height:100vh;transform:translateX(-100%);transition:transform .28s ease;z-index:10001;background:linear-gradient(180deg,var(--header-bg),var(--header-bg-2));color:var(--on-header);overflow-y:auto;box-shadow:18px 0 48px rgba(0,0,0,.22)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-overlay{position:fixed;inset:0;background:rgba(79,18,36,.58);opacity:0;visibility:hidden;z-index:10000;transition:.28s}.drawer-overlay.is-open{opacity:1;visibility:visible}body.menu-open{overflow:hidden}.drawer-head{min-height:72px;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid rgba(255,255,255,.16)}.drawer-head img{max-width:140px;max-height:52px;width:auto;height:auto;object-fit:contain}.drawer-close{border:0;background:rgba(255,255,255,.12);color:var(--on-header);width:42px;height:42px;border-radius:12px;font-size:28px}.drawer-nav{padding:14px 18px 28px;display:grid;gap:6px}.drawer-nav a{color:var(--on-header);text-decoration:none;padding:11px 12px;border-radius:12px}.drawer-nav a.active,.drawer-nav a:hover{background:rgba(229,107,135,.16);color:var(--theme-accent)}
@media(min-width:1440px){.container,.section-inner,.header-inner,.footer-inner,.hero-inner{width:min(1360px,calc(100% - 120px))}}
@media(max-width:1180px){.main-nav{gap:11px}.main-nav a{font-size:13px}.info-grid,.grid-4,.category-grid,.term-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:1023px){.container,.section-inner,.footer-inner{width:min(100% - 40px,1280px)}.header-inner{width:min(100% - 28px,1280px);min-height:68px;grid-template-columns:48px minmax(0,1fr) auto;gap:10px}.mobile-menu-toggle{display:inline-flex;flex-direction:column;justify-content:center;width:44px;height:44px}.main-nav{display:none}.site-logo{justify-self:center}.site-logo img{max-width:min(150px,42vw);max-height:56px}.header-actions{justify-self:end}.header-actions .main-btn{padding:10px 14px;font-size:13px}.hero-inner{width:min(100% - 40px,1280px);grid-template-columns:1fr;min-height:auto;gap:30px}.hero-content h1{font-size:clamp(36px,8vw,52px)}.hero-media-box{max-width:100%;min-height:250px}.grid-3,.quote-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.split{grid-template-columns:1fr}.page-hero-inner{width:min(100% - 40px,1280px);grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){.container,.section-inner,.footer-inner,.hero-inner{width:min(100% - 32px,1280px)}.section{padding:46px 0}.section-head{display:block}.info-grid,.grid-4,.grid-3,.grid-2,.category-grid,.term-grid,.quote-grid,.footer-grid{grid-template-columns:1fr}.page-hero-inner{width:min(100% - 32px,1280px)}.page-hero h1{font-size:clamp(34px,10vw,46px)}.hero-content p,.lead{font-size:17px}.page-visual,.media-box{min-height:210px}}
@media(max-width:390px){.header-inner{width:min(100% - 20px,1280px);grid-template-columns:44px minmax(0,1fr) auto;gap:8px}.site-logo img{max-width:min(120px,36vw);max-height:48px}.header-actions .main-btn{padding:8px 11px;font-size:12px}}


/* Banner-first homepage */
.banner-section{padding:30px 0 18px;background:linear-gradient(180deg,var(--theme-light) 0%,var(--white) 100%)}
.banner-carousel{position:relative;width:100%;overflow:hidden;border-radius:28px;background:var(--theme-soft);border:1px solid var(--theme-border);box-shadow:var(--shadow-soft)}
.banner-slide{display:none;align-items:center;justify-content:center;width:100%}
.banner-slide.active{display:flex}
.banner-slide img{display:block;width:100%;height:auto;max-width:100%;object-fit:contain}
.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:4;width:46px;height:46px;border:1px solid rgba(255,255,255,.25);border-radius:50%;background:rgba(79,18,36,.78);color:#fff;font-size:30px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.banner-prev{left:18px}.banner-next{right:18px}
.banner-dots{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);display:flex;gap:9px;z-index:4}
.banner-dots button{width:10px;height:10px;padding:0;border:1px solid rgba(255,255,255,.78);border-radius:50%;background:rgba(255,255,255,.45);cursor:pointer}
.banner-dots button.active{width:28px;border-radius:999px;background:var(--theme-accent)}
.intro-section{padding:24px 0 20px;background:var(--theme-light)}
.intro-card{background:linear-gradient(180deg,var(--white) 0%,var(--theme-soft) 100%);border:1px solid var(--theme-border);border-top:4px solid var(--theme);box-shadow:var(--shadow-soft);border-radius:24px;padding:32px}
.intro-card h1{margin:8px 0 18px;color:var(--theme-dark);font-size:clamp(34px,3.4vw,52px);line-height:1.12;letter-spacing:-.025em}
.intro-card p{max-width:1080px;margin:0 0 22px;color:var(--text-main);font-size:18px;line-height:1.8}
.intro-card .category-pills{margin-top:20px}
@media (min-width:1440px){.banner-section .section-inner{width:min(1360px,calc(100% - 120px))}}
@media (max-width:767px){.banner-section{padding:18px 0 12px}.banner-carousel{border-radius:18px}.banner-arrow{width:38px;height:38px;font-size:24px}.banner-prev{left:8px}.banner-next{right:8px}.banner-dots{bottom:9px}.intro-card{padding:22px}.intro-card h1{font-size:clamp(30px,9vw,42px)}.intro-card p{font-size:16px;line-height:1.75}}

/* 79King banner-first refinements */
.intro-card{position:relative;overflow:visible}
.info-card .num,.category-card .num{color:var(--theme)}
.section-kicker{color:var(--theme-dark)}
.main-btn:hover,.header-login:hover{background:linear-gradient(180deg,var(--theme-accent) 0%,var(--theme-hover) 55%,var(--theme-dark) 100%)}
.banner-section{background:linear-gradient(180deg,var(--theme-light) 0%,var(--theme-soft) 54%,var(--white) 100%)}
.banner-carousel{border-color:var(--theme-border)}

/* CHATGPT_MOBILE_HEADER_V4_START */
@media (max-width: 767px) {
  html, body {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  .site-header {
    width: 100% !important;
    max-width: 100% !important;
    overflow: visible !important;
  }

  .header-inner {
    display: flex !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    min-height: 64px !important;
    margin: 0 !important;
    padding: 0 10px !important;
    gap: 8px !important;
    box-sizing: border-box !important;
    align-items: center !important;
    justify-content: space-between !important;
  }

  /* Stable hamburger: do not rely on three flex children. */
  .mobile-menu-toggle {
    display: flex !important;
    position: relative !important;
    flex: 0 0 40px !important;
    width: 40px !important;
    min-width: 40px !important;
    max-width: 40px !important;
    height: 40px !important;
    min-height: 40px !important;
    max-height: 40px !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
    align-items: center !important;
    justify-content: center !important;
    color: var(--on-header, #fff) !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .mobile-menu-toggle span {
    display: none !important;
  }

  .mobile-menu-toggle::before {
    content: "" !important;
    display: block !important;
    position: absolute !important;
    left: 50% !important;
    top: 50% !important;
    width: 20px !important;
    height: 2px !important;
    margin-left: -10px !important;
    margin-top: -1px !important;
    border-radius: 2px !important;
    background: currentColor !important;
    box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
  }

  .site-logo {
    display: flex !important;
    flex: 1 1 auto !important;
    width: auto !important;
    min-width: 0 !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  .site-logo img {
    display: block !important;
    width: auto !important;
    height: auto !important;
    max-width: min(112px, 100%) !important;
    max-height: 44px !important;
    margin: 0 auto !important;
    padding: 0 !important;
    object-fit: contain !important;
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  .header-actions {
    display: flex !important;
    flex: 0 0 auto !important;
    min-width: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    justify-content: flex-end !important;
  }

  .header-login,
  .header-actions .main-btn {
    display: inline-flex !important;
    flex: 0 0 92px !important;
    width: 92px !important;
    min-width: 92px !important;
    max-width: 92px !important;
    min-height: 38px !important;
    padding: 8px 4px !important;
    margin: 0 !important;
    box-sizing: border-box !important;
    align-items: center !important;
    justify-content: center !important;
    white-space: nowrap !important;
    overflow: visible !important;
    text-overflow: clip !important;
    font-size: 10px !important;
    line-height: 1 !important;
    letter-spacing: 0 !important;
  }

  .drawer-logo,
  .footer-logo {
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  .drawer-logo img,
  .footer-logo img {
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }
}

@media (max-width: 359px) {
  .header-inner {
    padding-left: 6px !important;
    padding-right: 6px !important;
    gap: 5px !important;
  }

  .mobile-menu-toggle {
    flex-basis: 38px !important;
    width: 38px !important;
    min-width: 38px !important;
    max-width: 38px !important;
    height: 38px !important;
  }

  .site-logo img {
    max-width: min(102px, 100%) !important;
  }

  .header-login,
  .header-actions .main-btn {
    flex-basis: 84px !important;
    width: 84px !important;
    min-width: 84px !important;
    max-width: 84px !important;
    font-size: 9.5px !important;
  }
}
/* CHATGPT_MOBILE_HEADER_V4_END */