/* ================================================
   安心万事通｜主品牌站 — style.css
   Main accent: #2A52C4 (brand blue)
   Design token system; dark mode via [data-theme="dark"]
   ================================================ */

/* ------------------------------------------------
   1. Design Tokens — Light Theme (Default)
   ------------------------------------------------ */
:root {
  /* ---- Colors: Light ---- */
  --c-bg:           #F6F7FB;
  --c-bg-2:         #ECEEF5;
  --c-surface:      #FFFFFF;
  --c-surface-2:    #F0F2F8;
  --c-border:       rgba(0,0,0,0.08);
  --c-border-hi:    rgba(0,0,0,0.16);

  /* ---- Colors: Text ---- */
  --c-text-1:  #1A1D28;
  --c-text-2:  #545C72;
  --c-text-3:  #9299AB;

  /* ---- Colors: Accent — Brand Blue ---- */
  --c-accent:       #2A52C4;
  --c-accent-hover: #1E3D99;
  --c-accent-dim:   rgba(42,82,196,0.08);
  --c-gold:         #8B6D2A;
  --c-gold-dim:     rgba(139,109,42,0.10);
  --c-success:      #1E7040;
  --c-warning:      #B5601A;
  --c-tg:           #229ED9;
  --c-error:        #C0392B;

  /* ---- Colors: Surface-specific ---- */
  --c-header-bg:    rgba(246,247,251,0.95);
  --c-banner-bg:    rgba(248,249,253,0.97);

  /* ---- Shadows: Light ---- */
  --sh-sm:    0 1px 3px rgba(0,0,0,0.07), 0 1px 6px rgba(0,0,0,0.05);
  --sh-md:    0 4px 12px rgba(0,0,0,0.09), 0 2px 4px rgba(0,0,0,0.06);
  --sh-lg:    0 8px 24px rgba(0,0,0,0.11), 0 3px 8px rgba(0,0,0,0.07);
  --sh-float: 0 -2px 16px rgba(0,0,0,0.09);

  /* ---- Typography ---- */
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
          "Helvetica Neue", Arial, sans-serif;

  --t-xs:   0.8125rem;
  --t-sm:   0.875rem;
  --t-base: 1rem;
  --t-lg:   1.125rem;
  --t-xl:   1.25rem;
  --t-2xl:  1.5rem;
  --t-3xl:  1.875rem;
  --t-4xl:  2.25rem;
  --t-5xl:  2.75rem;
  --t-6xl:  3.5rem;

  --lh-tight:   1.3;
  --lh-snug:    1.4;
  --lh-normal:  1.6;
  --lh-relaxed: 1.8;

  /* ---- Spacing (4-based) ---- */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* ---- Section rhythm ---- */
  --sec-y:    5rem;
  --sec-y-lg: 7.5rem;

  /* ---- Border radii ---- */
  --r-sm:   0.375rem;
  --r-md:   0.625rem;
  --r-lg:   0.875rem;
  --r-xl:   1.125rem;
  --r-full: 9999px;

  /* ---- Layout ---- */
  --w-content: 1200px;
  --w-wide:    1320px;
  --px:        var(--sp-8);

  /* ---- Shell heights ---- */
  --header-h:     64px;
  --banner-h:     76px;
  --banner-h-mob: 64px;

  /* ---- Z layers ---- */
  --z-card:   10;
  --z-nav:   100;
  --z-banner:200;
  --z-toggle:150;

  /* ---- Transitions ---- */
  --ease-fast: 0.15s ease;
  --ease-base: 0.25s ease;
  --ease-slow: 0.40s ease;
}


/* ------------------------------------------------
   2. Design Tokens — Dark Theme
   ------------------------------------------------ */
[data-theme="dark"] {
  --c-bg:           #090B12;
  --c-bg-2:         #0D1020;
  --c-surface:      #141828;
  --c-surface-2:    #1C2238;
  --c-border:       rgba(255,255,255,0.07);
  --c-border-hi:    rgba(255,255,255,0.16);

  --c-text-1:  #EDF0F7;
  --c-text-2:  #8892AA;
  --c-text-3:  #50596E;

  --c-accent:       #3D6FEF;
  --c-accent-hover: #2A5AD4;
  --c-accent-dim:   rgba(61,111,239,0.12);
  --c-gold:         #C4A351;
  --c-gold-dim:     rgba(196,163,81,0.12);
  --c-success:      #2A8A52;
  --c-warning:      #C87C2A;

  --c-header-bg:    rgba(9,11,18,0.95);
  --c-banner-bg:    rgba(9,11,18,0.97);

  --sh-sm:    0 1px 4px rgba(0,0,0,0.35);
  --sh-md:    0 4px 14px rgba(0,0,0,0.45);
  --sh-lg:    0 8px 28px rgba(0,0,0,0.55);
  --sh-float: 0 -4px 24px rgba(0,0,0,0.65);
}


/* ------------------------------------------------
   3. Reset
   ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  color-scheme: light;
  overflow-x: hidden;
}
[data-theme="dark"] html,
html[data-theme="dark"] { color-scheme: dark; }

body {
  font-family: var(--font);
  font-size: var(--t-base);
  line-height: var(--lh-relaxed);
  color: var(--c-text-1);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  padding-bottom: var(--banner-h);
  transition: background-color var(--ease-base), color var(--ease-base);
  overflow-x: hidden;
  max-width: 100%;
}

img  { display: block; max-width: 100%; height: auto; }
video, iframe { max-width: 100%; }
a    { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* Mobile: prevent long text/URL overflow */
p, li, td, th, dd, dt, blockquote {
  word-wrap: break-word;
  overflow-wrap: anywhere;
}
a {
  word-break: break-all;
  overflow-wrap: anywhere;
}


/* ------------------------------------------------
   4. Typography
   ------------------------------------------------ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--lh-tight);
  color: var(--c-text-1);
}
h1 { font-size: var(--t-5xl); letter-spacing: -0.02em; }
h2 { font-size: var(--t-4xl); letter-spacing: -0.01em; }
h3 { font-size: var(--t-2xl); }
h4 { font-size: var(--t-xl); }
p  { color: var(--c-text-2); line-height: var(--lh-relaxed); }


/* ------------------------------------------------
   5. Layout helpers
   ------------------------------------------------ */
.container {
  max-width: var(--w-content);
  margin-inline: auto;
  padding-inline: var(--px);
}
.container--wide {
  max-width: var(--w-wide);
  margin-inline: auto;
  padding-inline: var(--px);
}
.section        { padding-block: var(--sec-y); }
.section--lg    { padding-block: var(--sec-y-lg); }
.section--alt,
.section--dark  { background: var(--c-bg-2); }


/* ------------------------------------------------
   6. Header & Navigation
   ------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  height: var(--header-h);
  background: var(--c-header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
  transition: background-color var(--ease-base), border-color var(--ease-base), box-shadow var(--ease-base);
}
.site-header.is-scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.10); }
[data-theme="dark"] .site-header.is-scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.55); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--sp-5);
  max-width: var(--w-content);
  margin-inline: auto;
  padding-inline: var(--px);
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}
.site-logo__icon {
  width: 32px;
  height: 32px;
  background: var(--c-accent);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.site-logo__text {
  font-size: var(--t-base);
  font-weight: 700;
  color: var(--c-text-1);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.site-logo__badge {
  font-size: var(--t-xs);
  font-weight: 600;
  background: var(--c-accent-dim);
  color: var(--c-accent);
  padding: 2px 8px;
  border-radius: var(--r-full);
  letter-spacing: 0.03em;
}

/* Primary nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  justify-content: center;
}
.site-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--c-text-2);
  border-radius: var(--r-sm);
  white-space: nowrap;
  transition: color var(--ease-fast), background var(--ease-fast);
}
.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--c-text-1);
  background: var(--c-accent-dim);
}
.site-nav__link[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 2px;
  background: var(--c-accent);
  border-radius: var(--r-full);
}

/* Aux */
.site-header__aux {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex-shrink: 0;
}
.site-header__aux-link {
  font-size: var(--t-sm);
  color: var(--c-text-3);
  padding: var(--sp-2) var(--sp-3);
  min-height: 44px;
  display: flex;
  align-items: center;
  border-radius: var(--r-sm);
  white-space: nowrap;
  transition: color var(--ease-fast);
}
.site-header__aux-link:hover { color: var(--c-text-2); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  border-radius: var(--r-sm);
  flex-shrink: 0;
  transition: background var(--ease-fast);
}
.nav-toggle:hover { background: var(--c-accent-dim); }
.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-text-2);
  border-radius: var(--r-full);
  transition: transform var(--ease-base), opacity var(--ease-base);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Site ribbon banner at header top */
.site-ribbon {
  background: var(--c-accent);
  color: #fff;
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: center;
  padding: 5px var(--px);
}
.site-ribbon a { color: rgba(255,255,255,0.85); text-decoration: underline; text-underline-offset: 2px; }
.site-ribbon a:hover { color: #fff; }


/* ------------------------------------------------
   7. Mobile Menu
   ------------------------------------------------ */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: calc(var(--z-nav) - 1);
  background: var(--c-bg);
  overflow-y: auto;
  padding: var(--sp-4) var(--px) var(--sp-8);
  border-top: 1px solid var(--c-border);
}
.mobile-menu[aria-hidden="false"] { display: block; }

.mobile-menu__list { display: flex; flex-direction: column; gap: 2px; }
.mobile-menu__link {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--t-base);
  font-weight: 500;
  color: var(--c-text-2);
  border-radius: var(--r-md);
  border: 1px solid transparent;
  transition: all var(--ease-fast);
}
.mobile-menu__link:hover,
.mobile-menu__link[aria-current="page"] {
  color: var(--c-text-1);
  background: var(--c-surface);
  border-color: var(--c-border);
}
.mobile-menu__sep {
  height: 1px;
  background: var(--c-border);
  margin: var(--sp-3) 0;
}
.mobile-menu__tg {
  margin-top: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.mobile-menu__tg-title {
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-text-3);
  padding: 0 var(--sp-4);
}


/* ------------------------------------------------
   8. Footer
   ------------------------------------------------ */
.site-footer {
  background: var(--c-bg-2);
  border-top: 1px solid var(--c-border);
  padding-bottom: var(--banner-h);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  padding-block: var(--sp-16);
}
.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.site-footer__brand p {
  font-size: var(--t-sm);
  color: var(--c-text-3);
  line-height: var(--lh-normal);
  max-width: 260px;
}
.site-footer__col-title {
  font-size: var(--t-xs);
  font-weight: 600;
  color: var(--c-text-1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
  display: block;
}
.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.site-footer__link {
  font-size: var(--t-sm);
  color: var(--c-text-3);
  min-height: 32px;
  display: flex;
  align-items: center;
  transition: color var(--ease-fast);
}
.site-footer__link:hover { color: var(--c-text-2); }
.site-footer__bottom { border-top: 1px solid var(--c-border); padding-block: var(--sp-6); }
.site-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  flex-wrap: wrap;
}
.site-footer__copyright { font-size: var(--t-xs); color: var(--c-text-3); }
.site-footer__legal {
  display: flex;
  gap: var(--sp-5);
}
.site-footer__legal a {
  font-size: var(--t-xs);
  color: var(--c-text-3);
  transition: color var(--ease-fast);
}
.site-footer__legal a:hover { color: var(--c-text-2); }
.site-footer__parent-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--t-xs);
  color: var(--c-accent);
  font-weight: 500;
}
.site-footer__parent-link:hover { text-decoration: underline; }


/* ------------------------------------------------
   9. Channel Banner (bottom floating)
   ------------------------------------------------ */
.channel-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-banner);
  height: var(--banner-h);
  background: var(--c-banner-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid var(--c-border-hi);
  box-shadow: var(--sh-float);
  transform: translateY(0);
  transition: transform var(--ease-base);
  max-width: 100vw;
  overflow: hidden;
}
[data-theme="dark"] .channel-banner { border-top-color: rgba(255,255,255,0.12); }
.channel-banner.is-hidden { transform: translateY(100%); }

.channel-banner__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  max-width: var(--w-content);
  margin-inline: auto;
  padding-inline: var(--px);
}
.channel-banner__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: linear-gradient(135deg,#2AABEE,#229ED9);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.channel-banner__body { flex: 1; min-width: 0; }
.channel-banner__title {
  font-size: var(--t-sm);
  font-weight: 600;
  color: var(--c-text-1);
  margin-bottom: 2px;
}
.channel-banner__desc {
  font-size: var(--t-xs);
  color: var(--c-text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.channel-banner__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}
.channel-banner__close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-3);
  border-radius: var(--r-sm);
  font-size: 1.2rem;
  line-height: 1;
  transition: color var(--ease-fast), background var(--ease-fast);
}
.channel-banner__close:hover { color: var(--c-text-1); background: var(--c-accent-dim); }


/* ------------------------------------------------
   10. Theme Toggle & Back-to-top
   ------------------------------------------------ */
.theme-toggle {
  position: fixed;
  bottom: calc(var(--banner-h) + var(--sp-4) + 52px);
  right: var(--sp-6);
  z-index: var(--z-toggle);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-surface);
  border: 1px solid var(--c-border-hi);
  border-radius: var(--r-md);
  color: var(--c-text-2);
  box-shadow: var(--sh-md);
  transition: all var(--ease-base);
}
.theme-toggle:hover {
  background: var(--c-surface-2);
  color: var(--c-text-1);
  border-color: var(--c-accent);
}
.theme-toggle__sun  { display: none; }
.theme-toggle__moon { display: block; }
[data-theme="dark"] .theme-toggle__sun  { display: block; }
[data-theme="dark"] .theme-toggle__moon { display: none; }

.back-to-top {
  position: fixed;
  bottom: calc(var(--banner-h) + var(--sp-4));
  right: var(--sp-6);
  z-index: var(--z-toggle);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-surface);
  border: 1px solid var(--c-border-hi);
  border-radius: var(--r-md);
  color: var(--c-text-2);
  box-shadow: var(--sh-md);
  opacity: 0;
  pointer-events: none;
  transition: all var(--ease-base);
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }


/* ------------------------------------------------
   11. Buttons
   ------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-family: inherit;
  font-size: var(--t-sm);
  font-weight: 500;
  line-height: 1;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
  min-width: 44px;
  touch-action: manipulation;
  transition: all var(--ease-fast);
  -webkit-tap-highlight-color: transparent;
}
.btn--primary {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}
.btn--primary:hover {
  background: var(--c-accent-hover);
  border-color: var(--c-accent-hover);
}
.btn--secondary {
  background: transparent;
  color: var(--c-text-1);
  border-color: var(--c-border-hi);
}
.btn--secondary:hover {
  background: var(--c-accent-dim);
  border-color: var(--c-accent);
  color: var(--c-accent);
}
.btn--ghost {
  background: transparent;
  color: var(--c-text-2);
  border-color: var(--c-border);
}
.btn--ghost:hover {
  color: var(--c-text-1);
  background: var(--c-accent-dim);
  border-color: var(--c-accent);
}
.btn--tg {
  background: linear-gradient(135deg, #2AABEE 0%, #229ED9 100%);
  color: #fff;
  border-color: transparent;
}
.btn--tg:hover { opacity: 0.88; }
.btn--sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--t-xs);
  min-height: 40px;
  border-radius: var(--r-sm);
}
.btn--lg {
  padding: var(--sp-4) var(--sp-8);
  font-size: var(--t-base);
}
.btn--block { width: 100%; justify-content: center; }
.btn--white {
  background: rgba(255,255,255,0.14);
  color: #fff;
  border-color: rgba(255,255,255,0.30);
  backdrop-filter: blur(8px);
}
.btn--white:hover {
  background: rgba(255,255,255,0.24);
  border-color: rgba(255,255,255,0.55);
}

/* Focus visible */
.btn:focus-visible,
.faq-item__q:focus-visible,
.nav-toggle:focus-visible,
.theme-toggle:focus-visible,
.back-to-top:focus-visible,
.channel-banner__close:focus-visible,
.site-nav__link:focus-visible,
.mobile-menu__link:focus-visible,
.site-footer__link:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
}
.btn:focus:not(:focus-visible),
.nav-toggle:focus:not(:focus-visible),
.theme-toggle:focus:not(:focus-visible),
.back-to-top:focus:not(:focus-visible),
.channel-banner__close:focus:not(:focus-visible) { outline: none; }


/* ------------------------------------------------
   12. Aspect Ratio Wrappers
   ------------------------------------------------ */
.ratio-21x9 { aspect-ratio: 21/9; overflow: hidden; }
.ratio-16x9 { aspect-ratio: 16/9; overflow: hidden; }
.ratio-3x2  { aspect-ratio: 3/2;  overflow: hidden; }
.ratio-4x3  { aspect-ratio: 4/3;  overflow: hidden; }
.ratio-1x1  { aspect-ratio: 1/1;  overflow: hidden; }
.ratio-4x5  { aspect-ratio: 4/5;  overflow: hidden; }

.ratio-21x9 img, .ratio-16x9 img, .ratio-3x2 img,
.ratio-4x3 img, .ratio-1x1 img, .ratio-4x5 img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.img-placeholder { background: var(--c-surface-2); }


/* ------------------------------------------------
   13. Hero (Homepage)
   ------------------------------------------------ */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 540px;
  background: var(--c-surface-2);
}
.hero__bg {
  position: absolute;
  inset: 0;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(8,10,20,0.90) 30%, rgba(8,10,20,0.28) 100%);
  pointer-events: none;
}
.hero__body {
  position: relative;
  z-index: 1;
  min-height: 540px;
  display: flex;
  align-items: center;
  padding-block: var(--sp-20);
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: var(--sp-5);
}
.hero__title {
  font-size: var(--t-6xl);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: var(--sp-4);
}
.hero__subtitle {
  font-size: var(--t-xl);
  color: rgba(255,255,255,0.80);
  max-width: 560px;
  margin-bottom: var(--sp-3);
}
.hero__tagline {
  font-size: var(--t-sm);
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--sp-8);
}
.hero__actions { display: flex; align-items: center; gap: var(--sp-4); flex-wrap: wrap; }
.hero__cities {
  margin-top: var(--sp-10);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}
.hero__city-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--t-xs);
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.20);
  border-radius: var(--r-full);
  backdrop-filter: blur(8px);
  transition: all var(--ease-fast);
}
.hero__city-tag:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
}


/* ------------------------------------------------
   14. Page Hero (inner pages)
   ------------------------------------------------ */
.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-surface-2);
}
.page-hero__bg {
  position: relative;
  overflow: hidden;
  min-height: 300px;
}
.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(8,10,20,0.86) 30%, rgba(8,10,20,0.30) 100%);
  pointer-events: none;
}
.page-hero__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--sp-16) var(--sp-12);
}
.page-hero__title { font-size: var(--t-5xl); font-weight: 700; color: #fff; letter-spacing: -0.02em; margin-bottom: var(--sp-4); }
.page-hero__subtitle { font-size: var(--t-lg); color: rgba(255,255,255,0.75); }


/* ------------------------------------------------
   15. Breadcrumb
   ------------------------------------------------ */
.breadcrumb { margin-bottom: var(--sp-5); }
.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
}
.breadcrumb ol li {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--t-xs);
  color: rgba(255,255,255,0.55);
}
.breadcrumb ol li::after { content: '/'; opacity: 0.4; }
.breadcrumb ol li:last-child::after { content: none; }
.breadcrumb ol li a { color: rgba(255,255,255,0.65); transition: color var(--ease-fast); }
.breadcrumb ol li a:hover { color: rgba(255,255,255,0.90); }
.breadcrumb ol li[aria-current="page"] { color: rgba(255,255,255,0.85); }


/* ------------------------------------------------
   16. Section Header & Eyebrow
   ------------------------------------------------ */
.section-header { margin-bottom: var(--sp-10); max-width: 700px; }
.section-header--center { text-align: center; max-width: 100%; }
.section-header--center p { margin-inline: auto; max-width: 580px; }
.section-title {
  font-size: var(--t-4xl);
  font-weight: 700;
  color: var(--c-text-1);
  letter-spacing: -0.015em;
  margin-bottom: var(--sp-3);
  line-height: var(--lh-snug);
}
.section-header__desc {
  font-size: var(--t-lg);
  color: var(--c-text-2);
  line-height: var(--lh-normal);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-3);
}
.eyebrow::before {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: var(--c-accent);
  border-radius: var(--r-full);
}


/* ------------------------------------------------
   17. Grids
   ------------------------------------------------ */
.grid-2    { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--sp-6); }
.grid-3    { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--sp-6); }
.grid-4    { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--sp-6); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: var(--sp-6); }


/* ------------------------------------------------
   18. Generic Card
   ------------------------------------------------ */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  transition: border-color var(--ease-base), box-shadow var(--ease-base), transform var(--ease-base);
}
.card:hover {
  border-color: var(--c-border-hi);
  box-shadow: var(--sh-sm);
  transform: translateY(-2px);
}
.card h3 { font-size: var(--t-base); font-weight: 600; color: var(--c-text-1); margin-bottom: var(--sp-2); }
.card p  { font-size: var(--t-sm); color: var(--c-text-2); line-height: var(--lh-normal); }


/* ------------------------------------------------
   19. Pillar / Feature Cards
   ------------------------------------------------ */
.pillar-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  transition: border-color var(--ease-base), box-shadow var(--ease-base), transform var(--ease-base);
}
.pillar-card:hover { box-shadow: var(--sh-md); transform: translateY(-3px); border-color: var(--c-accent); }
.pillar-card__icon { font-size: 2rem; margin-bottom: var(--sp-5); }
.pillar-card__title { font-size: var(--t-lg); font-weight: 600; color: var(--c-text-1); margin-bottom: var(--sp-3); }
.pillar-card__desc { font-size: var(--t-sm); color: var(--c-text-2); line-height: var(--lh-relaxed); }


/* ------------------------------------------------
   20. City Card
   ------------------------------------------------ */
.city-card {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: border-color var(--ease-base), box-shadow var(--ease-base), transform var(--ease-base);
  display: flex;
  flex-direction: column;
}
.city-card:hover { box-shadow: var(--sh-md); transform: translateY(-3px); border-color: var(--c-accent); }
.city-card__img { aspect-ratio: 3/2; overflow: hidden; }
.city-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--ease-slow); }
.city-card:hover .city-card__img img { transform: scale(1.04); }
.city-card__body { padding: var(--sp-5) var(--sp-6); flex: 1; display: flex; flex-direction: column; gap: var(--sp-3); }
.city-card__name { font-size: var(--t-lg); font-weight: 700; color: var(--c-text-1); }
.city-card__name-en { font-size: var(--t-xs); color: var(--c-text-3); font-weight: 400; margin-left: var(--sp-2); }
.city-card__desc { font-size: var(--t-sm); color: var(--c-text-2); line-height: var(--lh-normal); }
.city-card__tags { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-top: auto; }
.city-card__tag { font-size: var(--t-xs); color: var(--c-accent); background: var(--c-accent-dim); padding: 3px 10px; border-radius: var(--r-full); font-weight: 500; }
.city-card__tg { display: flex; align-items: center; gap: var(--sp-2); font-size: var(--t-xs); color: var(--c-tg); font-weight: 500; }


/* ------------------------------------------------
   21. Merchant / Directory Card
   ------------------------------------------------ */
.merchant-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--ease-base);
  display: flex;
  flex-direction: column;
}
.merchant-card:hover { box-shadow: var(--sh-md); transform: translateY(-2px); border-color: var(--c-border-hi); }
.merchant-card__img { aspect-ratio: 16/9; overflow: hidden; }
.merchant-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--ease-slow); }
.merchant-card:hover .merchant-card__img img { transform: scale(1.04); }
.merchant-card__body { padding: var(--sp-5); flex: 1; display: flex; flex-direction: column; gap: var(--sp-2); }
.merchant-card__type { font-size: var(--t-xs); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--c-accent); }
.merchant-card__name { font-size: var(--t-lg); font-weight: 700; color: var(--c-text-1); }
.merchant-card__meta { font-size: var(--t-sm); color: var(--c-text-3); }
.merchant-card__price { font-size: var(--t-sm); color: var(--c-text-2); font-weight: 500; margin-top: auto; padding-top: var(--sp-3); border-top: 1px solid var(--c-border); }
.merchant-card__verified { display: inline-flex; align-items: center; gap: 4px; font-size: var(--t-xs); color: var(--c-success); font-weight: 500; }


/* ------------------------------------------------
   22. News / Article Card
   ------------------------------------------------ */
.article-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--ease-base);
  display: flex;
  flex-direction: column;
}
.article-card:hover { box-shadow: var(--sh-sm); transform: translateY(-2px); border-color: var(--c-border-hi); }
.article-card__img { aspect-ratio: 16/9; overflow: hidden; }
.article-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--ease-slow); }
.article-card:hover .article-card__img img { transform: scale(1.03); }
.article-card__body { padding: var(--sp-5); flex: 1; display: flex; flex-direction: column; gap: var(--sp-2); }
.article-card__cat { font-size: var(--t-xs); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--c-accent); }
.article-card__title { font-size: var(--t-base); font-weight: 600; color: var(--c-text-1); line-height: var(--lh-snug); }
.article-card__summary { font-size: var(--t-sm); color: var(--c-text-2); line-height: var(--lh-normal); }
.article-card__meta { margin-top: auto; font-size: var(--t-xs); color: var(--c-text-3); }


/* ------------------------------------------------
   23. Telegram Channel Card
   ------------------------------------------------ */
.tg-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: all var(--ease-base);
}
.tg-card:hover { border-color: #2AABEE; box-shadow: 0 4px 20px rgba(42,171,238,0.12); transform: translateY(-2px); }
.tg-card--featured { border-color: rgba(42,171,238,0.30); background: linear-gradient(135deg, rgba(42,171,238,0.04), var(--c-surface)); }
.tg-card__icon { width: 48px; height: 48px; border-radius: var(--r-md); background: linear-gradient(135deg,#2AABEE,#229ED9); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.tg-card__handle { font-size: var(--t-base); font-weight: 700; color: var(--c-tg); }
.tg-card__label { font-size: var(--t-lg); font-weight: 600; color: var(--c-text-1); }
.tg-card__desc { font-size: var(--t-sm); color: var(--c-text-2); line-height: var(--lh-normal); }
.tg-card__scope { display: flex; flex-direction: column; gap: var(--sp-2); list-style: none; }
.tg-card__scope li { font-size: var(--t-sm); color: var(--c-text-2); display: flex; align-items: flex-start; gap: var(--sp-2); }
.tg-card__scope li::before { content: '·'; color: var(--c-accent); font-weight: 700; flex-shrink: 0; }


/* ------------------------------------------------
   24. FAQ Accordion
   ------------------------------------------------ */
.faq-list { display: flex; flex-direction: column; gap: 1px; }
.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--ease-fast);
}
.faq-item.is-open { border-color: var(--c-accent); }
.faq-item__q {
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  font-size: var(--t-base);
  font-weight: 500;
  color: var(--c-text-1);
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  min-height: 56px;
  transition: color var(--ease-fast);
}
.faq-item__q:hover { color: var(--c-accent); }
.faq-item__icon {
  font-size: 1.3rem;
  color: var(--c-accent);
  transition: transform var(--ease-base);
  flex-shrink: 0;
}
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); }
.faq-item__a {
  display: none;
  padding: 0 var(--sp-6) var(--sp-5);
  font-size: var(--t-sm);
  color: var(--c-text-2);
  line-height: var(--lh-relaxed);
}
.faq-item.is-open .faq-item__a { display: block; }


/* ------------------------------------------------
   25. CTA Block
   ------------------------------------------------ */
.cta-block {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-hover) 100%);
  border-radius: var(--r-xl);
  padding: var(--sp-16) var(--sp-12);
  text-align: center;
}
.cta-block .eyebrow { color: rgba(255,255,255,0.75); }
.cta-block .eyebrow::before { background: rgba(255,255,255,0.75); }
.cta-block__title { font-size: var(--t-4xl); font-weight: 700; color: #fff; margin-bottom: var(--sp-4); }
.cta-block__desc { font-size: var(--t-lg); color: rgba(255,255,255,0.80); max-width: 560px; margin-inline: auto; margin-bottom: var(--sp-8); }
.cta-block__actions { display: flex; align-items: center; justify-content: center; gap: var(--sp-4); flex-wrap: wrap; }


/* ------------------------------------------------
   26. Telegram Promo Block
   ------------------------------------------------ */
.tg-promo {
  background: linear-gradient(135deg, #0D1220 0%, #09101C 100%);
  border-radius: var(--r-xl);
  padding: var(--sp-12) var(--sp-10);
  display: flex;
  align-items: center;
  gap: var(--sp-10);
}
.tg-promo__icon { width: 72px; height: 72px; border-radius: var(--r-lg); background: linear-gradient(135deg,#2AABEE,#229ED9); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.tg-promo__body { flex: 1; min-width: 0; }
.tg-promo__title { font-size: var(--t-3xl); font-weight: 700; color: #fff; margin-bottom: var(--sp-3); }
.tg-promo__desc { font-size: var(--t-base); color: rgba(255,255,255,0.65); line-height: var(--lh-relaxed); margin-bottom: var(--sp-6); }
.tg-promo__channels { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-bottom: var(--sp-6); }
.tg-promo__channel-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: rgba(42,171,238,0.12);
  border: 1px solid rgba(42,171,238,0.25);
  border-radius: var(--r-full);
  font-size: var(--t-sm);
  color: #2AABEE;
  font-weight: 500;
}


/* ------------------------------------------------
   27. Field Block
   ------------------------------------------------ */
.field-block {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.field-block__row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--c-border);
  align-items: baseline;
}
.field-block__row:last-child { border-bottom: none; }
.field-block__label { font-size: var(--t-xs); font-weight: 600; color: var(--c-text-3); letter-spacing: 0.04em; text-transform: uppercase; flex-shrink: 0; }
.field-block__value { font-size: var(--t-sm); color: var(--c-text-2); line-height: var(--lh-normal); }


/* ------------------------------------------------
   28. Tag Cloud
   ------------------------------------------------ */
.tag-cloud { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-1) var(--sp-3);
  font-size: var(--t-xs);
  font-weight: 500;
  color: var(--c-text-2);
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-full);
  transition: all var(--ease-fast);
}
.tag:hover, a.tag:hover { color: var(--c-accent); background: var(--c-accent-dim); border-color: var(--c-accent); }
.tag--active { color: var(--c-accent); background: var(--c-accent-dim); border-color: var(--c-accent); }


/* ------------------------------------------------
   29. Notice / Alert
   ------------------------------------------------ */
.notice {
  padding: var(--sp-4) var(--sp-6);
  border-radius: var(--r-md);
  border-left: 3px solid var(--c-border-hi);
  background: var(--c-surface);
}
.notice p { font-size: var(--t-sm); color: var(--c-text-2); margin: 0; line-height: var(--lh-normal); }
.notice--warning { border-left-color: var(--c-warning); background: rgba(181,96,26,0.05); }
.notice--warning p { color: var(--c-warning); }
.notice--info { border-left-color: var(--c-accent); background: var(--c-accent-dim); }
.notice--info p { color: var(--c-text-2); }
.notice--disclaimer { border-left-color: var(--c-border-hi); background: var(--c-surface-2); }


/* ------------------------------------------------
   30. Split Layout
   ------------------------------------------------ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}
.split--asymmetric { grid-template-columns: 1fr 2fr; }
.split--asymmetric-r { grid-template-columns: 2fr 1fr; }
.split__text { display: flex; flex-direction: column; gap: var(--sp-6); }


/* ------------------------------------------------
   31. Checklist
   ------------------------------------------------ */
.checklist { display: flex; flex-direction: column; gap: var(--sp-3); list-style: none; }
.checklist li { display: flex; align-items: flex-start; gap: var(--sp-3); font-size: var(--t-sm); color: var(--c-text-2); line-height: var(--lh-normal); }
.checklist li::before { content: '✓'; color: var(--c-success); font-weight: 700; flex-shrink: 0; width: 20px; }
.checklist--numbered { counter-reset: step; }
.checklist--numbered li { counter-increment: step; }
.checklist--numbered li::before {
  content: counter(step);
  background: var(--c-accent);
  color: #fff;
  font-size: var(--t-xs);
  font-weight: 700;
  width: 22px;
  height: 22px;
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}


/* ------------------------------------------------
   32. Steps / Process
   ------------------------------------------------ */
.steps { display: flex; flex-direction: column; gap: var(--sp-4); counter-reset: step; }
.steps li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-5);
  counter-increment: step;
  padding: var(--sp-5) var(--sp-6);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
}
.steps li::before {
  content: counter(step);
  min-width: 32px;
  height: 32px;
  border-radius: var(--r-full);
  background: var(--c-accent);
  color: #fff;
  font-size: var(--t-sm);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}


/* ------------------------------------------------
   33. Scroll Animate
   ------------------------------------------------ */
[data-animate] { will-change: opacity, transform; }


/* ------------------------------------------------
   34. Responsive — Tablet ≤ 1024px
   ------------------------------------------------ */
@media (max-width: 1024px) {
  :root { --px: var(--sp-6); }
  .site-nav { display: none; }
  .site-header__aux { display: none; }
  .nav-toggle { display: flex; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
}


/* ------------------------------------------------
   35. Responsive — Mobile ≤ 768px
   ------------------------------------------------ */
@media (max-width: 768px) {
  :root {
    --px:       var(--sp-5);
    --sec-y:    3rem;
    --sec-y-lg: 4.5rem;
  }

  h1 { font-size: var(--t-4xl); }
  h2 { font-size: var(--t-3xl); }
  .section-title { font-size: var(--t-3xl); }
  .hero__title { font-size: var(--t-5xl); }
  .page-hero__title { font-size: var(--t-4xl); }

  .page-hero__bg.ratio-21x9 { aspect-ratio: 3/2; min-height: 300px; }
  .page-hero__content { padding-block: var(--sp-10) var(--sp-8); }

  .hero__actions, .cta-block__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn, .cta-block__actions .btn { justify-content: center; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: 1fr; }

  .split, .split--asymmetric, .split--asymmetric-r { grid-template-columns: 1fr; gap: var(--sp-8); }
  .tg-promo { flex-direction: column; align-items: flex-start; gap: var(--sp-6); padding: var(--sp-8) var(--sp-6); }

  .site-footer__grid { grid-template-columns: 1fr; gap: var(--sp-6); }
  .site-footer__brand p { max-width: 100%; }
  .site-footer__bottom-inner { flex-direction: column; align-items: flex-start; gap: var(--sp-3); }

  .channel-banner__desc { display: none; }

  .back-to-top, .theme-toggle { right: var(--sp-4); }
  .back-to-top { bottom: calc(var(--banner-h-mob) + var(--sp-3)); }
  .theme-toggle { bottom: calc(var(--banner-h-mob) + var(--sp-3) + 52px); }

  .cta-block { padding: var(--sp-8) var(--sp-5); }
  .cta-block__title { font-size: var(--t-2xl); }
  .cta-block__desc { font-size: var(--t-base); }

  .field-block__row { grid-template-columns: 1fr; gap: var(--sp-1); }
  .field-block__label { font-size: var(--t-xs); }

  /* Collapse inline grids */
  [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
}


/* ------------------------------------------------
   36. Responsive — Small mobile ≤ 480px
   ------------------------------------------------ */
@media (max-width: 480px) {
  :root { --px: var(--sp-4); }

  .channel-banner__actions .btn:not(.channel-banner__close) { display: none; }
  .channel-banner__actions .channel-banner__close { display: flex; }

  .hero__cities { gap: var(--sp-2); }
  .hero__city-tag { font-size: 0.7rem; padding: 4px 10px; }

  .tg-promo__title { font-size: var(--t-2xl); }
}


/* ------------------------------------------------
   37. Responsive — Very small mobile ≤ 360px
   ------------------------------------------------ */
@media (max-width: 360px) {
  :root { --px: var(--sp-3); }
  body { font-size: 14px; }
  .hero__title { font-size: var(--t-4xl); }
  .page-hero__title { font-size: var(--t-3xl); }
  .section-title { font-size: var(--t-2xl); }
}