*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:         #020509;
  --card-bg:    #060D18;
  --primary:    #00B4FF;
  --primary2:   #0077DD;
  --text:       #FFFFFF;
  --text-muted: #B8C8D8;
  --border:     rgba(0, 180, 255, 0.22);
  --content-width: 1240px;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  background-image: url('../img/bg.png');
  background-size: 100% auto;
  background-repeat: no-repeat;
  padding-top: 72px;
}

/* 鈹€鈹€ HEADER 鈹€鈹€鈹€ */

.header {
  width: 100%;
  height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 max(30px, calc((100vw - var(--content-width)) / 2));
  position: fixed;
  top: 0;
  z-index: 300;
  background: rgba(2, 7, 13, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  height: 44px;
  width: auto;
  display: block;
  margin: 0;
  transform: none;
}

.header-actions,
.header-nav {
  display: flex;
  align-items: center;
}

.header-actions { gap: 12px; }
.header-nav { gap: clamp(22px, 3vw, 42px); }

.nav-link {
  appearance: none;
  border: 0;
  background: none;
  color: var(--text-muted);
  font: inherit;
  font-size: 14px;
  font-weight: 750;
  letter-spacing: 0.4px;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s, text-shadow 0.2s;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--primary);
  text-shadow: 0 0 18px rgba(0, 180, 255, 0.45);
}

.nav-support { color: #dcecff; }

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(6, 13, 24, 0.85);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: border-color 0.2s, background 0.2s;
}

.lang-btn:hover {
  border-color: var(--primary);
  background: rgba(0, 180, 255, 0.08);
}

.lang-btn svg {
  width: 15px;
  height: 15px;
  opacity: 0.75;
  flex-shrink: 0;
}

.menu-toggle {
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(6, 13, 24, 0.82);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.menu-toggle:hover,
.menu-toggle:focus-visible {
  border-color: var(--primary);
  background: rgba(0, 180, 255, 0.1);
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 3px;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 398;
  background: rgba(0, 3, 8, 0.74);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s, visibility 0.28s;
}

.drawer-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.site-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 399;
  width: min(380px, 66vw);
  height: 100vh;
  height: 100dvh;
  background:
    radial-gradient(circle at 100% 0%, rgba(0, 180, 255, 0.13), transparent 38%),
    #071321;
  border-left: 1px solid var(--border);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.55);
  transform: translateX(102%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.site-drawer.is-open { transform: translateX(0); }
.menu-open { overflow: hidden; }

.drawer-head {
  height: 88px;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.drawer-logo img {
  display: block;
  width: 150px;
  height: auto;
}

.drawer-home {
  margin: 18px 22px 0;
  min-height: 66px;
  padding: 11px 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(0, 180, 255, 0.08);
  color: var(--text);
  text-decoration: none;
}
.drawer-home:hover,
.drawer-home:focus-visible { border-color: var(--primary); background: rgba(0, 180, 255, 0.13); }
.drawer-home svg { width: 25px; height: 25px; flex: 0 0 25px; color: var(--primary); }
.drawer-home span { min-width: 0; display: flex; flex: 1; flex-direction: column; }
.drawer-home strong { font-size: 17px; }
.drawer-home small { color: var(--text-muted); font-size: 12px; }
.drawer-home > b { color: var(--primary); font-size: 20px; }

.drawer-close,
.support-close {
  border: 0;
  background: none;
  color: var(--text-muted);
  font-size: 38px;
  line-height: 1;
  cursor: pointer;
}

.drawer-nav {
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.drawer-nav > a,
.drawer-nav > button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 14px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  text-align: left;
  text-decoration: none;
  font: inherit;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.drawer-nav > a:hover,
.drawer-nav > button:hover,
.drawer-nav > a:focus-visible,
.drawer-nav > button:focus-visible {
  background: rgba(0, 180, 255, 0.08);
  border-color: var(--border);
}

.drawer-nav svg {
  width: 25px;
  height: 25px;
  flex: 0 0 25px;
  color: var(--primary);
}

.drawer-nav span {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.drawer-nav strong { font-size: 17px; }
.drawer-nav small {
  color: var(--text-muted);
  font-size: 12px;
}

.drawer-language {
  width: calc(100% - 44px);
  min-height: 44px;
  margin: 2px 22px 22px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(0, 180, 255, 0.06);
  color: var(--text-muted);
  font: inherit;
  cursor: pointer;
}
.drawer-language svg { width: 20px; height: 20px; color: var(--primary); }
.drawer-language .language-label { margin-left: auto; color: var(--text); font-weight: 800; }
.drawer-language:hover,
.drawer-language:focus-visible { border-color: var(--primary); background: rgba(0, 180, 255, 0.1); }

.support-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 350;
  width: 52px;
  height: 142px;
  padding: 12px 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(0, 180, 255, 0.55);
  border-radius: 26px;
  background: linear-gradient(145deg, #0abfff, #007bdc);
  color: #00111c;
  box-shadow: 0 10px 30px rgba(0, 155, 255, 0.35);
  font-size: 11px;
  line-height: 1.15;
  text-align: center;
  font-weight: 850;
  cursor: pointer;
}

.support-fab svg {
  width: 23px;
  height: 23px;
  flex: 0 0 23px;
}
.support-fab span {
  max-width: 42px;
  writing-mode: horizontal-tb;
  text-orientation: mixed;
  white-space: normal;
  word-break: keep-all;
  overflow-wrap: normal;
  letter-spacing: 0;
  line-height: 1.2;
}

.support-panel {
  position: fixed;
  right: 24px;
  bottom: 178px;
  z-index: 351;
  width: min(350px, calc(100vw - 32px));
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(7, 19, 33, 0.98);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.58);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px) scale(0.98);
  transform-origin: right bottom;
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
}

.support-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.support-panel.is-header-trigger {
  top: 84px;
  right: auto;
  bottom: auto;
  left: var(--support-header-left, 50%);
  transform: translateY(-14px) scale(0.98);
  transform-origin: top center;
}

.support-panel.is-header-trigger.is-open {
  transform: translateY(0) scale(1);
}

.support-panel.is-drawer-trigger {
  top: var(--support-drawer-top, 180px);
  right: auto;
  bottom: auto;
  left: var(--support-drawer-left, 16px);
  z-index: 401;
  transform: translateY(-10px) scale(0.98);
  transform-origin: top center;
}

.support-panel.is-drawer-trigger.is-open {
  transform: translateY(0) scale(1);
}

.support-panel.is-mobile-drawer-trigger {
  top: 50%;
  right: auto;
  bottom: auto;
  left: 10px;
  z-index: 401;
  width: calc(100vw - 20px);
  padding: 32px 28px;
  transform: translateY(calc(-50% + 14px)) scale(0.98);
  transform-origin: center;
}

.support-panel.is-mobile-drawer-trigger.is-open {
  transform: translateY(-50%) scale(1);
}

.support-panel.is-mobile-drawer-trigger .support-status {
  font-size: 13px;
}

.support-panel.is-mobile-drawer-trigger h2 {
  margin-top: 18px;
  font-size: 22px;
}

.support-panel.is-mobile-drawer-trigger p {
  margin: 14px 0 24px;
  line-height: 1.7;
}

.support-panel.is-mobile-drawer-trigger .support-chat-link {
  min-height: 52px;
  padding: 13px 16px;
}

.support-close {
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 28px;
}

.support-status {
  display: flex;
  align-items: center;
  gap: 7px;
  color: #8fe8bc;
  font-size: 12px;
  font-weight: 700;
}

.support-status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d988;
  box-shadow: 0 0 12px #34d988;
}

.support-panel h2 {
  margin-top: 12px;
  font-size: 20px;
}

.support-panel p {
  margin: 8px 0 18px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.65;
}

.support-chat-link {
  min-height: 44px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 10px;
  background: var(--primary);
  color: #00111c;
  font-weight: 850;
  text-decoration: none;
}

/* 鈹€鈹€ HERO 鈹€鈹€ */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  padding: 110px 30px 50px;
  overflow: hidden;
}

/* layered background glows */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  /* background:
    radial-gradient(ellipse 55% 70% at 18% 60%, rgba(0, 120, 255, 0.18) 0%, transparent 65%),
    radial-gradient(ellipse 65% 65% at 26% 48%, rgba(0, 180, 255, 0.12) 0%, transparent 68%),
    radial-gradient(ellipse 45% 55% at 82% 32%, rgba(0, 140, 255, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 35% 40% at 70% 80%, rgba(0, 80, 200, 0.10) 0%, transparent 55%),
    var(--bg); */
}

/* subtle grid */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 180, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 255, 0.04) 1px, transparent 1px);
  background-size: 58px 58px;
}

/* angular slash lines */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  /* background:
    linear-gradient(145deg, transparent 45%, rgba(0,180,255,0.07) 46%, rgba(0,180,255,0.07) 47%, transparent 48%),
    linear-gradient(145deg, transparent 55%, rgba(0,100,220,0.05) 56%, rgba(0,100,220,0.05) 57%, transparent 58%),
    linear-gradient(145deg, transparent 62%, rgba(0,180,255,0.04) 63%, rgba(0,180,255,0.04) 63.5%, transparent 64.5%); */
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-width);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

/* 鈹€鈹€ Hero logo image 鈹€鈹€ */
.hero-logo {
  margin-bottom: 18px;
  user-select: none;
}

.hero-logo img {
  width: 390px;
  max-width: 100%;
  height: auto;
  /* 大 Logo 与下方标题共用同一视觉起点，避免过度左伸和下压。 */
  margin-left: -8px;
  transform: none;
  filter:
    drop-shadow(0 0 24px rgba(0, 180, 255, 0.55))
    drop-shadow(0 0 55px rgba(0, 100, 220, 0.30));
}

/* H1 */
.hero h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 38px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 24px;
  line-height: 1.0;
}

.hero h1 .accent {
  color: var(--primary);
  text-shadow:
    0 0 18px rgba(0, 180, 255, 0.65),
    0 0 45px rgba(0, 180, 255, 0.30);
}

.hero-desc {
  color: #fff;
  font-size: 18px;
  line-height: 1.75;
}

/* 鈹€鈹€ Button wave animations 鈹€鈹€ */
@keyframes btn-shine {
  0%        { transform: skewX(-22deg) translateX(-320%); }
  72%, 100% { transform: skewX(-22deg) translateX(460%); }
}

@keyframes btn-glow-pulse {
  0%, 100% {
    box-shadow:
      0 0 28px rgba(0, 180, 255, 0.50),
      0 4px 18px rgba(0, 0, 0, 0.55);
  }
  50% {
    box-shadow:
      0 0 58px rgba(0, 180, 255, 0.85),
      0 6px 24px rgba(0, 0, 0, 0.60);
  }
}

/* Primary Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(180deg,
    #28CCFF 0%,
    #00B4FF 45%,
    #0098E0 100%
  );
  color: #000;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 1.5px;
  padding: 16px 34px;
  border-radius: 10px;
  text-decoration: none;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  border-bottom: 1px solid rgba(0, 0, 0, 0.20);
  transition: filter 0.2s, transform 0.15s;
  animation: btn-glow-pulse 2.5s ease-in-out infinite;
  margin: 20px 0;
}

/* MG666 比 HT66 多一个字符，固定首屏按钮宽度以保持参考站版式。 */
.hero-content > .btn-primary {
  width: 324px;
  justify-content: center;
  white-space: nowrap;
  margin: 28px 0 32px;
}

/* shimmer sweep */
.btn-primary::after {
  content: '';
  position: absolute;
  top: -10%;
  left: 0;
  width: 38%;
  height: 120%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.60) 50%,
    transparent 100%
  );
  mix-blend-mode: overlay;
  transform: skewX(-22deg) translateX(-320%);
  animation: btn-shine 3s ease-in-out infinite;
  pointer-events: none;
}

.btn-primary:hover {
  filter: brightness(1.12);
  transform: translateY(-2px);
  animation-play-state: paused;
}

.btn-icon {
  font-size: 18px;
  line-height: 1;
}

/* 鈹€鈹€ Hero Visual 鈥� alternative links 鈹€鈹€ */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  position: absolute;
  top: -50px;
  right: 0;
  bottom: -50px;
  width: calc((100% - 40px) / 2);
  height: auto;
  min-height: 0;
  overflow: hidden;
}
.hero-visual .banner1{
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  transform: none;
  object-fit: contain;
  object-position: center bottom;
  z-index: 99;
}
.hero-links {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.links-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 6px;
  opacity: 0.85;
}

.links-label svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  stroke: var(--primary);
}

.alt-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.22s, box-shadow 0.22s, background 0.22s, transform 0.18s;
}

.alt-link:hover {
  border-color: var(--primary);
  background: rgba(0, 180, 255, 0.07);
  box-shadow:
    0 0 24px rgba(0, 180, 255, 0.18),
    0 4px 16px rgba(0, 0, 0, 0.35);
  transform: translateX(4px);
}

.alt-link-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--primary);
  letter-spacing: 1px;
  line-height: 1;
  min-width: 28px;
  opacity: 0.85;
}

.alt-link-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.alt-link-body strong {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.alt-link-body small {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

.alt-link-arrow {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity 0.18s, transform 0.18s;
}

.alt-link:hover .alt-link-arrow {
  opacity: 1;
  transform: translateX(3px);
}

/* 鈹€鈹€ APK SECTION 鈹€鈹€ */
.apk-section {
  padding: 80px 32px;
  position: relative;
  background: var(--bg);
  overflow: hidden;
}

/* 与首屏主体使用同一宽度。 */
.apk-section .container {
  max-width: var(--content-width);
}

.apk-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--primary) 40%,
    var(--primary2) 60%,
    transparent 100%
  );
  opacity: 0.40;
}

.apk-card {
  display: grid;
  grid-template-columns: 174px minmax(0, 1fr);
  width: 100%;
  gap: 32px;
  align-items: start;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 52px 260px 52px 48px;
  position: relative;
  overflow: visible;
}

/* subtle corner glow */
.apk-card::after {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0,180,255,0.10) 0%, transparent 70%);
  pointer-events: none;
}
.banner3{
  position: absolute;
  width: auto;
  height: calc(100% + 90px);
  max-width: 50%;
  max-height: none;
  left: auto;
  right: 0;
  top: -90px;
  bottom: 0;
  transform: none;
  object-fit: contain;
  object-position: right bottom;
  z-index: 0;
  pointer-events: none;
}

.apk-icon,
.apk-content {
  position: relative;
  z-index: 1;
}


.apk-card .appicons{
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-left: 0;
  display: block;
  align-self: flex-start;
}
.apk-card .appicons2{
  display: none;
}
.apk-card .btn-primary{
  width: 100%;
  max-width: 100%;
  margin-top: 18px;
  align-self: flex-start;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  gap: 14px;
}

.apk-card .btn-primary .btn-icon {
  width: 20px;
  text-align: center;
  flex: 0 0 20px;
}
.apk-icon {
  width: 166px;
  height: 166px;
  border-radius: 32px;
  background: rgba(0, 180, 255, 0.08);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.apk-icon img {
  width: 162px;
  height: 162px;
  object-fit: contain;
  display: block;
}

.apk-icon svg {
  width: 52px;
  height: 52px;
}

.apk-content {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 464px;
  transform: translateX(20px);
}

.apk-desc {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.80;
  margin-bottom: 24px;
  max-width: 100%;
}

.apk-features {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px 12px;
  margin-bottom: 28px;
  width: 100%;
}

.apk-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: normal;
  line-height: 1.35;
}

/* 两列内容都收在说明文字和下载按钮的同一宽度内。 */
.apk-features li:nth-child(even) {
  transform: none;
}

.apk-features li svg {
  width: 15px;
  height: 15px;
  color: var(--primary);
  flex-shrink: 0;
}

/* 鈹€鈹€ ABOUT + FEATURES 鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€ */

.about {
  padding: 80px 32px 70px;
  background: var(--card-bg);
  position: relative;
  overflow: hidden;
}

/* top glow border */
.about::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--primary) 35%,
    var(--primary2) 65%,
    transparent 100%
  );
  opacity: 0.50;
}

.container {
  max-width: 880px;
  margin: 0 auto;
}

.section-title {
  font-family: 'Bebas Neue', sans-serif;
  text-align: center;
  font-size: clamp(14px, 2vw, 20px);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 10px;
}

.section-title .accent { color: var(--primary); }

.about .section-title,
.apk-section .section-title {
  font-size: 38px;
  font-weight: 700;
}

.apk-section .section-title {
  white-space: nowrap;
}

.title-bar {
  width: 50px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary2), var(--primary));
  border-radius: 2px;
  margin: 0 auto 28px;
  box-shadow: 0 0 12px rgba(0, 180, 255, 0.55);
}
.banner2{
  position: absolute;
  max-width: 50%;
  width: 50%;
  height: 100%;
  max-height: 100%;
  left: 0;
  bottom: 0;
  object-fit: cover;
  object-position: 58% bottom;
  transform: none;
  transform-origin: center bottom;
  z-index: 0;
  pointer-events: none;
  -webkit-mask-image: none;
  mask-image: none;
}

.about .section-title,
.about .title-bar,
.about-body,
.features-grid {
  position: relative;
  z-index: 1;
}
.banner4{
  display: none;
}
.guang{
  position: absolute;
  width: 50%;
  left:50%;
  transform: translateX(-50%);
  bottom: 0;
}
.about-body {
  color: var(--text-muted);
  font-size: 15px;
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.85;
  position: relative;
  right: -13%;
}

/* Feature cards grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative;
  right: -15%;
}

.feat-card {
  background: rgba(2, 5, 9, 0.55);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 20px 30px;
  text-align: center;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.22s;
}

.feat-card:hover {
  border-color: rgba(0, 180, 255, 0.55);
  box-shadow:
    0 0 28px rgba(0, 180, 255, 0.14),
    0 8px 28px rgba(0, 0, 0, 0.45);
  transform: translateY(-5px);
}

.feat-icon {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  border: 2.5px solid var(--primary);
  background: rgba(0, 180, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  box-shadow:
    0 0 18px rgba(0, 180, 255, 0.30),
    inset 0 0 16px rgba(0, 180, 255, 0.07);
  transition: box-shadow 0.25s;
}

.feat-card:hover .feat-icon {
  box-shadow:
    0 0 30px rgba(0, 180, 255, 0.50),
    inset 0 0 20px rgba(0, 180, 255, 0.12);
}

.feat-icon svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.feat-card h3 {
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 10px;
}

.feat-card p {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.75;
}
/* 鈹€鈹€ FINAL CTA 鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€ */

.cta {
  min-height: clamp(320px, 24vw, 380px);
  padding: clamp(75px, 6vw, 95px) 32px clamp(65px, 5vw, 85px);
  display: flex;
  align-items: center;
  text-align: center;
  position: relative;
  background:
    radial-gradient(ellipse 70% 90% at 50% 110%, rgba(0, 180, 255, 0.07) 0%, transparent 65%),
    var(--bg);
}

.cta .container { width: 100%; }

/* top glow line */
.cta::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--primary2) 35%,
    var(--primary) 65%,
    transparent 100%
  );
  opacity: 0.45;
}

.cta .section-title {
  margin-bottom: 12px;
  font-size: clamp(24px, 2.4vw, 32px);
}

.cta p {
  color: var(--text-muted);
  font-size: clamp(15px, 1.3vw, 18px);
  margin: 14px 0 32px;
}

/* Outline Button */
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 2px solid var(--primary);
  color: var(--text);
  font-weight: 800;
  font-size: clamp(14px, 1.15vw, 16px);
  letter-spacing: 1.5px;
  padding: 15px 38px;
  border-radius: 50px;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s, border-color 0.2s;
}

.btn-outline:hover {
  background: rgba(0, 180, 255, 0.12);
  border-color: rgba(0, 180, 255, 0.90);
  box-shadow:
    0 0 32px rgba(0, 180, 255, 0.28),
    0 4px 14px rgba(0, 0, 0, 0.45);
  transform: translateY(-3px);
}

.btn-outline svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* 鈹€鈹€ FOOTER 鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€ */

footer {
  padding: 22px 32px 6px;
  text-align: center;
  border-top: 1px solid var(--border);
}

footer p {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.footer-logo img {
  height: 34px;
  width: auto;
  opacity: 0.88;
  display: block;
  margin: 0 auto;
}

/* 鈹€鈹€ RESPONSIVE 鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€鈹€ */

@media (max-width: 900px) {
  body {
    background-image: url('../img/bgm.png');
    padding-top: 60px;
  }
  .hero {
    padding: clamp(28px, 6vw, 50px) clamp(18px, 6vw, 30px) 0;
  }
  .header {
    height: 60px;
    box-sizing: border-box;
    justify-content: space-between;
    padding-inline: clamp(18px, 5vw, 28px);
  }
  .logo img {
    height: clamp(28px, 8vw, 34px);
    margin-left: 0;
    transform: none;
  }
  .header .logo{
    position: static;
    transform: none;
  }
  .header-actions { gap: 8px; }
  .header-nav,
  .header .lang-btn { display: none; }
  .menu-toggle { width: 40px; height: 40px; }
  .site-drawer { width: min(320px, 80vw); }
  .drawer-head { height: 72px; padding: 0 20px; }
  .drawer-logo img { width: clamp(118px, 34vw, 145px); }
  .drawer-nav { padding: 22px 14px; }
  .drawer-home { margin: 14px 14px 0; min-height: 62px; padding: 10px 12px; }
  .drawer-nav > a,
  .drawer-nav > button { padding: 14px 12px; }
  .drawer-language { width: calc(100% - 28px); margin: 2px 14px 18px; }
  .support-fab {
    right: 14px;
    bottom: 14px;
    width: 52px;
    height: 52px;
    padding: 0;
    flex-direction: row;
    justify-content: center;
    gap: 0;
    border-radius: 50%;
  }
  .support-fab span { display: none; }
  .support-panel {
    right: 16px;
    bottom: 76px;
    width: calc(100vw - 32px);
  }
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 20px;
  }

  .hero-content { order: 1; min-width: 0; width: 100%; }
  .hero-visual  { order: 2; }
  .hero-visual  {
    --hero-bottom-crop: clamp(14px, 4vw, 20px);
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    margin: 0 auto;
    padding: 0;
    align-items: flex-start;
    justify-content: center;
    overflow: hidden;
  }

  .hero-links { max-width: 100%; gap: 14px; }
  .alt-link   { text-align: left; }

  .hero-logo { text-align: center;margin-bottom: 10px; display: none;}
  .hero-logo img { max-width: 240px; }
  .hero h1{
    font-size: clamp(24px, 6.5vw, 30px);
    line-height: 1.18;
    margin-bottom: 15px;
  }
  .hero-content > .btn-primary {
    width: min(100%, 324px);
    max-width: 100%;
    padding-inline: clamp(10px, 3vw, 15px);
    font-size: clamp(10px, 3.2vw, 13px);
    margin: 20px 0;
  }
  .links-label { margin-bottom: 4px; }
  .hero-desc {
    font-size: clamp(12px, 3.2vw, 14px);
    margin-left: auto;
    margin-right: auto;
  }
  .hero-visual .banner1{
    width: min(88vw, 620px);
    max-width: 620px;
    height: auto;
    position: relative;
    left: 0;
    top: 0;
    transform: translate(0,0);
    object-fit: contain;
    object-position: center top;
    display: block;
    margin: 0 auto;

  }
  .title-bar{
    margin-bottom: 15px;
  }
  .about-body{
    right: 0;
    width: 100%;
    font-size: clamp(12px, 3.2vw, 14px);
    margin-bottom: clamp(16px, 5vw, 24px);
  }
  .about .container {
    display: flex;
    flex-direction: column;
  }
  .about .section-title {
    order: 1;
    font-size: clamp(22px, 6.2vw, 28px);
  }
  .about .title-bar { order: 2; }
  .about-body { order: 3; }
  .about .banner2{
    display: none;
  }
  .banner4{
    display: block;
    position: relative;
    order: 4;
    width: min(100%, 620px);
    max-width: 620px;
    height: auto;
    left: 0;
    object-fit: contain;
    object-position: center;
    margin: 0 auto clamp(18px, 5vw, 26px);
  }
  
  .alt-link{
    padding: clamp(10px, 3vw, 14px);
  }
  .btn-primary { justify-content: center; padding: 15px;}

  .features-grid {
    order: 5;
    grid-template-columns: 1fr;
    width: 100%;
    max-width: min(88vw, 560px);
    right: 0;
    margin: 0 auto;
  }

  .feat-card {
    padding: clamp(12px, 3.5vw, 18px) clamp(10px, 3vw, 16px);
    display: flex;
    align-items: center;
  }
  .feat-icon{
    width: clamp(46px, 13vw, 58px);
    height: clamp(46px, 13vw, 58px);
    margin: 0;
  }
  .feat-icon svg {
    width: 28px;
    height: 28px;
  }
  .feat-info{
    width: calc(100% - clamp(56px, 16vw, 72px));
    margin-left: clamp(10px, 3vw, 14px);
  }
  .feat-card h3{
    font-size: clamp(12px, 3.5vw, 14px);
    margin-bottom: 5px;
    line-height: 1;
    text-align: left;
  }
  .feat-card p{
    font-size: clamp(11px, 3vw, 13px);
    line-height: 1.5;
    text-align: left;
  }
  /* APK section stacks on mobile */
  .apk-card {
    grid-template-columns: 1fr;
    padding: clamp(26px, 7vw, 40px) clamp(18px, 6vw, 30px) clamp(16px, 4vw, 24px);
    gap: clamp(18px, 5vw, 28px);
    overflow: hidden;
  }
  .apk-desc{
    font-size: clamp(12px, 3.3vw, 15px);
    line-height: 1.68;
    margin-bottom: clamp(6px, 2vw, 12px);
  }
  .apk-content { transform: none; }
  .apk-features{
    width: 65%;
    margin-bottom: clamp(10px, 3vw, 18px);
    gap: 0;
  }
  .apk-section .section-title{
    font-size: clamp(21px, 5.7vw, 26px);
    font-weight: 700;
    white-space: normal;
    margin-bottom: 0;
  }
  .apk-section .title-bar{
    margin: 10px 0!important;
  }
  .banner3{
    position: absolute;
    width: clamp(126px, 34vw, 210px);
    height: auto;
    max-width: 40%;
    max-height: none;
    right: clamp(2px, 2vw, 14px);
    left: auto;
    bottom: clamp(84px, 22vw, 118px);
    top: auto;
    transform: translate(0%, 0);
    object-fit: contain;
    object-position: right bottom;
  }
  .apk-card::after{
    display: none;
  }
  .apk-card .btn-primary{
    width: 100%;
    margin-top: 8px;
    letter-spacing: 0;
    min-height: clamp(48px, 13vw, 58px);
    padding: 10px;
    font-size: clamp(11px, 3.4vw, 14px);

  }
  .apk-card .appicons{
    display: none;
  }
  .apk-card .appicons2{
    display: block;
    width: 60%;
    max-width: 340px;
    margin-bottom: clamp(70px, 19vw, 108px);
  }
  .apk-icon {
    width: clamp(64px, 18vw, 86px);
    height: clamp(64px, 18vw, 86px);
    display: block;
    margin-bottom: clamp(14px, 4vw, 22px);
  }
  .apk-icon img { width: 100%; height: 100%; }
  .apk-icon svg { width: 38px; height: 38px; }

  .apk-features { grid-template-columns: 1fr; }
  .apk-features li {
    font-size: clamp(11px, 3vw, 13px);
    line-height: 1.35;
    white-space: normal;
    transform: none;
  }
  .cta .section-title{
    font-size: clamp(19px, 5.2vw, 23px);
  }
  .cta p{
    font-size: clamp(13px, 3.6vw, 15px);
    margin: 0 auto clamp(12px, 3.5vw, 16px);
  }
  .btn-outline{
    padding: 7px clamp(18px, 5vw, 24px);
    font-size: clamp(13px, 3.6vw, 15px);
    letter-spacing:0.8px;
    gap: 8px;
    font-weight: 400;
    margin-bottom: 0;
  }
  .cta {
    min-height: clamp(230px, 62vw, 285px);
    padding: clamp(40px, 10vw, 52px) clamp(16px, 5vw, 24px) clamp(32px, 8vw, 44px);
  }
  footer {
    display: flex;
    min-height: 0;
    padding: 10px 16px 6px;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    overflow: visible;
  }
  footer p {
    margin: 0;
    font-size: clamp(10px, 2.8vw, 12px);
    line-height: 1.25;
  }
  .footer-logo {
    display: block;
    margin-top: 2px;
    line-height: 0;
  }
  .footer-logo img {
    display: block;
    height: clamp(22px, 6vw, 26px);
    width: auto;
    margin: 0 auto;
  }
}

@media (max-width: 500px) {
  .header      { padding: 12px 5px; }
  .hero        { padding-inline: clamp(16px, 6vw, 24px); }
  .about       { padding: clamp(18px, 5vw, 22px) clamp(12px, 4vw, 16px); }
  .apk-section { padding: clamp(16px, 5vw, 22px) clamp(12px, 4vw, 16px); }
}

/* Inner pages */
.nav-link.is-active { color: var(--primary); }
.drawer-nav > .is-active {
  background: rgba(0, 180, 255, 0.1);
  border-color: var(--border);
}

.inner-page {
  min-height: 100vh;
  background-color: #02070d;
  background-image:
    linear-gradient(rgba(0, 180, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 50% 10%, rgba(0, 140, 255, 0.12), transparent 38%);
  background-size: 58px 58px, 58px 58px, auto;
  background-repeat: repeat, repeat, no-repeat;
}

.inner-container {
  width: min(var(--content-width), calc(100% - 60px));
  margin: 0 auto;
}

.inner-hero {
  padding: clamp(78px, 9vw, 118px) 0 clamp(48px, 6vw, 72px);
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.inner-eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.inner-hero h1,
.inner-section-title {
  font-size: clamp(30px, 4.5vw, 54px);
  line-height: 1.12;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.inner-hero h1 span,
.inner-section-title span,
.download-copy h2 span { color: var(--primary); }

.inner-hero .title-bar,
.install-section .title-bar { margin-top: 20px; }

.inner-hero p {
  max-width: 720px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 16px;
}

.download-page-section {
  padding: clamp(54px, 7vw, 90px) 0;
  background: rgba(5, 15, 25, 0.72);
}

.download-panel {
  width: min(960px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 44px;
  align-items: center;
  padding: clamp(34px, 5vw, 62px);
  border: 1px solid var(--border);
  border-radius: 22px;
  background:
    radial-gradient(circle at 84% 30%, rgba(0, 180, 255, 0.12), transparent 34%),
    rgba(6, 18, 30, 0.94);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

.download-app-icon img {
  display: block;
  width: 160px;
  height: 160px;
  object-fit: contain;
}

.download-copy h2 {
  font-size: clamp(26px, 3.5vw, 42px);
  line-height: 1.15;
  text-transform: uppercase;
}

.download-copy > p {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 15px;
}

.download-checks {
  margin: 24px 0 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
  list-style: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 650;
}

.download-checks li::before {
  content: '✓';
  margin-right: 9px;
  color: var(--primary);
  font-weight: 900;
}

.download-main-button {
  min-height: 58px;
  width: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border-radius: 11px;
  background: linear-gradient(180deg, #28ccff, #0098e0);
  color: #00111c;
  text-decoration: none;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 1.5px;
  box-shadow: 0 0 34px rgba(0, 180, 255, 0.35);
}

.download-main-button b { font-size: 20px; }

.install-section {
  padding: clamp(64px, 8vw, 105px) 0;
  text-align: center;
}

.install-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.install-grid article {
  min-height: 220px;
  padding: 26px 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(4, 13, 23, 0.86);
  text-align: left;
}

.install-grid b {
  color: var(--primary);
  font-size: 30px;
  font-weight: 450;
}

.install-grid h3 { margin: 18px 0 8px; font-size: 16px; }
.install-grid p { color: var(--text-muted); font-size: 13px; line-height: 1.7; }

.install-note {
  margin: 24px auto 0;
  padding: 17px 20px;
  border-left: 3px solid var(--primary);
  background: rgba(0, 180, 255, 0.06);
  color: var(--text-muted);
  font-size: 13px;
  text-align: left;
}

.install-note strong { color: var(--text); }

.faq-hero { padding-bottom: clamp(54px, 7vw, 80px); }
.faq-section { padding: clamp(48px, 7vw, 82px) 0 clamp(70px, 8vw, 110px); }
.faq-list { width: min(920px, calc(100% - 48px)); }

.faq-item {
  margin-bottom: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(6, 20, 31, 0.9);
  overflow: hidden;
}

.faq-item button {
  width: 100%;
  min-height: 72px;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 15px;
  font-weight: 750;
  text-align: left;
  cursor: pointer;
}

.faq-item button i {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--primary);
  font-size: 22px;
  font-style: normal;
  transition: transform 0.2s, background 0.2s;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}

.faq-answer p {
  min-height: 0;
  overflow: hidden;
  padding: 0 72px 0 22px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
  transition: padding 0.25s;
}

.faq-item.is-open .faq-answer { grid-template-rows: 1fr; }
.faq-item.is-open .faq-answer p { padding-top: 0; padding-bottom: 22px; }
.faq-item.is-open button i { transform: rotate(45deg); background: rgba(0, 180, 255, 0.1); }

@media (max-width: 900px) {
  .inner-container { width: min(100% - 28px, 680px); }
  .inner-hero { padding-top: clamp(48px, 12vw, 70px); }
  .inner-hero h1,
  .inner-section-title { font-size: clamp(25px, 8vw, 38px); }
  .inner-hero p { font-size: clamp(12px, 3.5vw, 15px); }
  .download-panel {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: clamp(24px, 7vw, 38px);
  }
  .download-app-icon img {
    width: clamp(88px, 26vw, 128px);
    height: auto;
  }
  .download-copy h2 { font-size: clamp(23px, 7vw, 32px); }
  .download-copy > p { font-size: clamp(12px, 3.5vw, 14px); }
  .download-checks { grid-template-columns: 1fr; margin-block: 20px; }
  .download-main-button {
    min-height: clamp(50px, 14vw, 58px);
    padding-inline: 14px;
    font-size: clamp(11px, 3.5vw, 14px);
    gap: 10px;
  }
  .install-grid { grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 30px; }
  .install-grid article { min-height: 190px; padding: 20px 17px; }
  .faq-list { width: min(100% - 28px, 680px); }
  .faq-item button { min-height: 64px; padding: 15px 16px; font-size: clamp(12px, 3.6vw, 14px); }
  .faq-answer p { padding-inline: 16px 54px; font-size: clamp(12px, 3.4vw, 14px); }
  .faq-item.is-open .faq-answer p { padding-bottom: 18px; }
}

@media (max-width: 520px) {
  .install-grid { grid-template-columns: 1fr; }
  .install-grid article { min-height: 0; }
}