/* =========================================================
   SKYFORGE X1 — Trial Landing Page
   Nocturne · Vault Gold · Velvet Black
   ========================================================= */
:root {
  --ink-0: #050505;
  --ink-1: #0c0a08;
  --ink-2: #17130e;
  --ink-3: #1f1a12;
  --line: #2a2218;
  --line-2: #3a2f1e;
  --gold-1: #f2cd94;
  --gold-2: #ffe0b0;
  --gold-3: #c9a06a;
  --ivory: #ffe0b0;
  --mute:  #f2cd94;
  --danger: #e06050;
  --text-glow:      0 1px 3px #000, 0 0 4px rgba(0,0,0,0.95);
  --text-glow-soft: 0 1px 2px #000, 0 0 3px rgba(0,0,0,0.85);
  --ease: cubic-bezier(0.32, 0.72, 0.24, 1);
  --dur: 480ms;
  --font-serif-en: "Cormorant Garamond", "Noto Serif SC", Georgia, serif;
  --font-serif-cn: "Noto Serif SC", "Cormorant Garamond", serif;
  --font-sans: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--ink-0);
  color: var(--ivory);
  text-shadow: 0 2px 4px #000, 0 0 6px rgba(0,0,0,1);
  font-family: var(--font-serif-en);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-shadow: 0 0 1px rgba(0,0,0,0.9), 0 0 2px rgba(0,0,0,0.7);
}
/* 高对比辅助文字统一规则（与手表2一致） */
.mute, .eyebrow, .timeline-year, .timeline-desc,
.rules-list li, .rules-item, .form-hint, .form-error, .form-label, .form-note,
.craft-desc, .craft-item .desc, .craft-title, .classic-sub, .footer-text, .help-text,
.field-note, .classic-desc, .brand-tagline, .section-desc, .section-sub, .section-tag,
.stage-hint, .suspense-sub, .lightbox-cap, .success-text, .light-text,
.subtitle, .desc-text, .rules-text, .bullet-text, .form-placeholder, .barrage-text,
.modal-sub, .modal-note, .classic-tag {
  color: var(--mute) !important;
  font-weight: 500 !important;
  text-shadow: 0 2px 4px #000, 0 0 6px rgba(0,0,0,1) !important;
}
.section-title, .brand-logo, .brand-name, .timeline-title, .craft-item-title,
.classic-name, .prize-title, .success-title, .hero-eyebrow, .highlight-text,
.modal-title, .classic-title {
  color: var(--ivory) !important;
  text-shadow: 0 1px 2px #000, 0 0 3px rgba(0,0,0,0.85) !important;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; border: 0; background: transparent; color: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

/* Global noise & vignette */
body::before {
  content: "";
  position: fixed; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.79  0 0 0 0 0.66  0 0 0 0 0.42  0 0 0 0.08 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.35; mix-blend-mode: overlay; z-index: 2;
}
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 30%, transparent 0%, rgba(0,0,0,0.55) 90%);
  z-index: 1;
}

/* Typography helpers */
.serif-en { font-family: var(--font-serif-en); letter-spacing: 0.04em; font-weight: 300; }
.serif-cn { font-family: var(--font-serif-cn); font-weight: 400; letter-spacing: 0.02em; }
.gold-text { color: var(--gold-1); }
.mute { color: var(--mute); }

/* Loader */
.loader {
  position: fixed; inset: 0; z-index: 99999; overflow: hidden;
  display: flex; align-items: center; justify-content: center; background: #050505;
  transition: opacity 0.55s ease-out, visibility 0.55s ease-out;
}
.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(5,5,5,0.55) 0%, rgba(5,5,5,0.30) 45%, rgba(5,5,5,0.85) 100%),
    radial-gradient(ellipse at 50% 40%, rgba(10,14,26,0.25), rgba(5,5,5,0.6) 70%),
    url("./assets/drone-hero.jpg") center/cover no-repeat, #0a0a0a;
  filter: brightness(0.55) saturate(0.95); z-index: 0;
}
.loader-vignette {
  position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(ellipse at center, rgba(0,0,0,0) 0%, rgba(0,0,0,0.55) 55%, rgba(0,0,0,0.92) 100%),
    linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.5) 100%);
}
.loader-particles { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; pointer-events: none; }
.loader-inner {
  position: relative; z-index: 3; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 32px; padding: 0 24px;
  width: 100%; max-width: 480px; text-align: center;
}
.loader-brand {
  font-family: var(--font-serif-en); font-size: clamp(22px, 5.6vw, 30px);
  letter-spacing: 0.55em; color: #FFE0B0; text-transform: uppercase;
  text-shadow: 0 2px 8px rgba(0,0,0,0.95), 0 0 14px rgba(242,205,148,0.45);
  font-weight: 400; margin-left: 0.55em;
}
.loader-progress { display: flex; flex-direction: column; align-items: center; gap: 14px; width: 100%; }
.loader-progress-track {
  position: relative; width: min(78vw, 320px); height: 6px; border-radius: 999px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(242,205,148,0.28); overflow: hidden;
  box-shadow: 0 0 10px rgba(0,0,0,0.65) inset, 0 0 8px rgba(242,205,148,0.15);
}
.loader-progress-fill {
  position: absolute; top: 0; left: 0; height: 100%; width: 0%;
  background: linear-gradient(90deg, #7a5e32 0%, #e2bc80 45%, #f8dfa0 75%, #ffe0b0 100%);
  border-radius: 999px; box-shadow: 0 0 14px rgba(242,205,148,0.85), 0 0 6px #f8dfa0;
  transition: width 0.08s linear;
}
.loader-progress-glow {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,224,176,0.12) 50%, transparent 100%);
  pointer-events: none;
}
.loader-progress-num {
  font-family: var(--font-serif-en); font-size: clamp(14px, 3.4vw, 16px);
  letter-spacing: 0.28em; color: #F2CD94; text-shadow: 0 2px 4px #000, 0 0 6px rgba(0,0,0,1);
  min-height: 1em; font-weight: 400;
}

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(to bottom, rgba(5,5,5,0.85), rgba(5,5,5,0));
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo {
  width: 32px; height: 32px; border: 1px solid var(--line-2); border-radius: 6px;
  display: grid; place-items: center; color: var(--gold-1);
  background: linear-gradient(145deg, var(--ink-2), var(--ink-1)); overflow: hidden;
}
.brand-logo svg { width: 20px; height: 20px; }
.brand-name {
  font-family: var(--font-serif-en); color: var(--gold-1); font-size: 15px;
  letter-spacing: 0.24em; font-weight: 300;
  text-shadow: 0 0 12px rgba(240,214,138,0.5), 0 0 4px rgba(240,214,138,0.3);
}
/* 语言选择器（下拉） */
.lang { position: relative; }
.lang__btn {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid var(--line-2); border-radius: 999px; padding: 6px 14px;
  background: rgba(20,15,8,0.7); color: var(--text); cursor: pointer;
  font-family: var(--font-serif-en); font-weight: 300; font-size: 12px; letter-spacing: 0.14em;
  -webkit-appearance: none; appearance: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.lang__btn:hover { border-color: var(--gold-1); background: rgba(40,30,15,0.8); }
.lang__btn:focus-visible { outline: 2px solid var(--gold-1); outline-offset: 2px; }
.lang__globe {
  width: 14px; height: 14px; border-radius: 50%; flex: none; opacity: .85;
  background:
    radial-gradient(circle at 50% 50%, transparent 35%, var(--gold-1) 36%, var(--gold-1) 42%, transparent 43%),
    linear-gradient(0deg, transparent 45%, var(--gold-1) 45%, var(--gold-1) 55%, transparent 55%),
    linear-gradient(90deg, transparent 45%, var(--gold-1) 45%, var(--gold-1) 55%, transparent 55%);
  -webkit-mask: radial-gradient(circle at 50% 50%, #000 0, #000 70%, transparent 71%);
  mask: radial-gradient(circle at 50% 50%, #000 0, #000 70%, transparent 71%);
}
.lang__current { font-weight: 400; min-width: 1.6em; text-align: center; }
.lang__caret {
  width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 5px solid var(--mute); transition: transform .2s var(--ease);
}
.lang.is-open .lang__caret { transform: rotate(180deg); }

.lang__menu {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 120;
  list-style: none; margin: 0; padding: 6px;
  min-width: 172px; max-height: min(50vh, 360px); overflow-y: auto; -webkit-overflow-scrolling: touch;
  background: rgba(15,11,6,0.95);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid var(--line-2); border-radius: 14px;
  box-shadow: 0 18px 50px -16px rgba(0,0,0,0.85);
  font-family: var(--font-sans, sans-serif); font-size: 13px; letter-spacing: 0;
}
.lang__menu li {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 9px 12px; border-radius: 9px; cursor: pointer; color: var(--mute);
  transition: background .15s, color .15s;
}
.lang__menu li:hover { background: rgba(240,214,138,0.1); color: var(--text); }
.lang__menu li[aria-selected="true"] { color: var(--gold-1); }
.lang__tick { width: 14px; height: 14px; flex: none; opacity: 0; }
.lang__menu li[aria-selected="true"] .lang__tick {
  opacity: 1; background: currentColor;
  -webkit-mask: no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E");
  mask: no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E");
}

/* Hero */
.hero {
  position: relative; min-height: 100svh; padding: 96px 20px 60px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; overflow: hidden; z-index: 3;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 50% 38%, rgba(122,94,50,0.18) 0%, transparent 58%),
    url("./assets/drone-hero.jpg") center/cover no-repeat;
  filter: brightness(0.5) saturate(1.02) contrast(1.06); z-index: -1; transform: scale(1.06);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(5,5,5,0.55) 0%, rgba(5,5,5,0.35) 40%, rgba(5,5,5,0.9) 100%);
}
.hero-inner { display: flex; flex-direction: column; align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 12px; color: var(--gold-1);
  font-family: var(--font-serif-en); font-size: 11px; letter-spacing: 0.5em;
  text-transform: uppercase; opacity: 0.85; margin-bottom: 24px; font-weight: 300;
}
.hero-eyebrow::before, .hero-eyebrow::after {
  content: ""; width: 32px; height: 1px; background: linear-gradient(to right, transparent, var(--gold-1), transparent);
}
.countdown-stage {
  position: relative; width: min(88vw, 420px); aspect-ratio: 1 / 1;
  margin: 8px auto 20px; display: flex; align-items: center; justify-content: center;
}
.clock { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.clock .dial-ring { stroke: var(--line-2); fill: none; stroke-width: 1; }
.clock .dial-ring-inner { stroke: var(--line); fill: none; stroke-width: 1; stroke-dasharray: 2 6; opacity: 0.55; }
.clock .tick-major { stroke: var(--gold-1); stroke-width: 1.5; opacity: 0.85; }
.clock .tick-minor { stroke: var(--gold-3); stroke-width: 1; opacity: 0.6; }
.clock .roman { font-family: var(--font-serif-en); fill: var(--gold-1); font-size: 12px; opacity: 0.85; letter-spacing: 0.06em; font-weight: 300; }
.clock .center-cap { fill: var(--gold-2); }
.clock .hand { fill: var(--gold-1); transform-origin: 50% 50%; transition: transform 900ms var(--ease); }
.clock .hand.trail { fill: var(--gold-1); opacity: 0.25; filter: blur(1.5px); transform-origin: 50% 50%; }
.countdown-number {
  position: relative; z-index: 5; font-family: var(--font-serif-en); font-weight: 300;
  font-size: clamp(120px, 32vw, 220px); line-height: 1; letter-spacing: 0.02em;
  background: linear-gradient(180deg, var(--gold-2) 0%, var(--gold-1) 45%, var(--gold-3) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  transition: opacity 380ms var(--ease), filter 380ms var(--ease), transform 380ms var(--ease);
  will-change: opacity, filter; text-shadow: 0 0 40px rgba(201,169,106,0.15);
}
.countdown-number.swap { opacity: 0; filter: blur(6px); transform: translateY(-6px); }
.countdown-number.pulse { animation: numPulse 0.8s var(--ease) infinite; }
@keyframes numPulse { 0%, 100% { filter: brightness(1); opacity: 1; } 50% { filter: brightness(1.5); opacity: 0.95; } }
.countdown-label {
  font-family: var(--font-serif-en); color: var(--mute); font-size: 12px;
  letter-spacing: 0.5em; text-transform: uppercase; margin-top: 6px; font-weight: 300;
}
.suspense { margin-top: 26px; max-width: 640px; min-height: 80px; }
.suspense-headline {
  font-family: var(--font-serif-cn); color: var(--ivory); font-size: clamp(20px, 5.4vw, 28px);
  line-height: 1.45; min-height: 2.9em; transition: opacity 420ms var(--ease), transform 420ms var(--ease);
  letter-spacing: 0.06em; font-weight: 300;
}
.suspense-headline[lang="en"] { font-family: var(--font-serif-en); letter-spacing: 0.04em; font-weight: 300; }
.suspense.swap .suspense-headline { opacity: 0; transform: translateY(6px); }
.suspense-sub {
  margin-top: 12px; color: var(--mute); font-size: 13px; letter-spacing: 0.16em;
  text-transform: uppercase; font-family: var(--font-serif-en); font-weight: 300;
}
.gold-divider { width: 60px; height: 1px; background: linear-gradient(to right, transparent, var(--gold-1), transparent); margin: 28px auto; }

/* Sections */
.section { position: relative; padding: 76px 20px; max-width: 720px; margin: 0 auto; z-index: 3; text-align: center; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-eyebrow {
  font-family: var(--font-serif-en); color: var(--gold-1); font-size: 11px;
  letter-spacing: 0.5em; text-transform: uppercase; margin-bottom: 14px; opacity: 0.85; font-weight: 300;
}
.section-title {
  font-family: var(--font-serif-cn); font-weight: 400; font-size: clamp(24px, 6vw, 34px);
  color: var(--ivory); letter-spacing: 0.08em; line-height: 1.35;
}
.section-title[lang="en"] { font-family: var(--font-serif-en); letter-spacing: 0.04em; font-weight: 300; }
.section-desc {
  margin-top: 12px; color: var(--mute); font-size: 15px; font-weight: 500; max-width: 62ch;
  margin-left: auto; margin-right: auto; line-height: 1.75;
  text-shadow: 0 2px 4px #000, 0 0 6px rgba(0,0,0,1);
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 900ms var(--ease), transform 900ms var(--ease); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* Classic showcase */
.classic-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 640px) { .classic-grid { grid-template-columns: repeat(2, 1fr); } }
.classic-card {
  position: relative; border: 1px solid var(--line-2);
  background: linear-gradient(145deg, var(--ink-2) 0%, var(--ink-1) 100%);
  border-radius: 10px; overflow: hidden; transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.classic-card:hover { transform: translateY(-3px); border-color: var(--gold-3); box-shadow: 0 18px 50px -20px rgba(0,0,0,0.8), 0 0 0 1px rgba(242,205,148,0.12); }
.classic-card .img-wrap { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #0a0805; cursor: zoom-in; }
.classic-card .img-wrap::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(242,205,148,0.14);
  background: linear-gradient(135deg, rgba(242,205,148,0.06), transparent 40%);
}
.classic-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 900ms var(--ease), filter 900ms var(--ease); filter: brightness(0.92) contrast(1.04); }
.classic-card:hover img { transform: scale(1.05); filter: brightness(1.05) contrast(1.06); }
.classic-card .img-wrap::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(to bottom, transparent 55%, rgba(5,5,5,0.75) 100%);
}
.classic-body { padding: 18px 18px 22px; border-top: 1px solid var(--line); text-align: left; }
.classic-tag { font-family: var(--font-serif-en); color: var(--gold-1); font-size: 10px; letter-spacing: 0.4em; text-transform: uppercase; margin-bottom: 8px; font-weight: 300; }
.classic-title { font-family: var(--font-serif-en); color: var(--ivory); font-size: 20px; letter-spacing: 0.06em; margin-bottom: 4px; font-weight: 300; }
.classic-sub { color: var(--mute); font-size: 13px; line-height: 1.7; }

/* Timeline */
.timeline { position: relative; padding-left: 28px; text-align: left; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 1px;
  background: linear-gradient(to bottom, transparent, var(--gold-3) 15%, var(--gold-3) 85%, transparent);
}
.timeline-item { position: relative; padding: 0 0 28px 4px; }
.timeline-item::before {
  content: ""; position: absolute; left: -25px; top: 6px; width: 10px; height: 10px;
  border-radius: 999px; background: var(--ink-0); border: 1px solid var(--gold-1);
}
.timeline-item::after {
  content: ""; position: absolute; left: -21px; top: 10px; width: 2px; height: 2px;
  border-radius: 999px; background: var(--gold-2);
}
.timeline-year { font-family: var(--font-serif-en); color: var(--gold-1); font-size: 22px; letter-spacing: 0.06em; margin-bottom: 6px; line-height: 1; font-weight: 300; }
.timeline-title { color: var(--ivory); font-size: 15px; font-weight: 400; margin-bottom: 4px; letter-spacing: 0.04em; }
.timeline-desc { color: var(--mute); font-size: 14px; font-weight: 500; line-height: 1.7; text-shadow: 0 2px 4px #000, 0 0 6px rgba(0,0,0,1); }

/* Craft */
.craft-grid { display: grid; grid-template-columns: 1fr; gap: 16px; text-align: left; }
.craft-item {
  display: flex; gap: 16px; padding: 18px; border: 1px solid var(--line); border-radius: 10px;
  background: linear-gradient(145deg, rgba(23,19,14,0.7), rgba(12,10,8,0.7)); backdrop-filter: blur(4px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.craft-item:hover { transform: translateY(-3px); border-color: var(--gold-3); }
.craft-icon {
  flex: 0 0 44px; width: 44px; height: 44px; border-radius: 999px; border: 1px solid var(--gold-3);
  display: grid; place-items: center; color: var(--gold-1);
}
.craft-icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.2; }
.craft-body h3 { font-family: var(--font-serif-cn); font-weight: 400; color: var(--ivory); font-size: 16px; margin-bottom: 4px; letter-spacing: 0.06em; }
.craft-body h3[lang="en"] { font-family: var(--font-serif-en); font-weight: 300; }
.craft-body p { color: var(--mute); font-size: 13px; line-height: 1.75; }
.craft-hero {
  margin-top: 26px; border: 1px solid var(--line-2); border-radius: 10px; overflow: hidden;
  aspect-ratio: 16 / 10; cursor: zoom-in; position: relative;
}
.craft-hero img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.88) contrast(1.05); transition: filter 900ms var(--ease), transform 900ms var(--ease); }
.craft-hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(242,205,148,0.16);
  background: linear-gradient(to bottom, transparent 55%, rgba(5,5,5,0.6) 100%);
}
.craft-hero:hover img { filter: brightness(1.04) contrast(1.06); transform: scale(1.03); }

/* Scene transition band (hand launch) */
.scene-band {
  position: relative; margin: 56px auto 0; max-width: 920px; aspect-ratio: 21 / 9;
  border: 1px solid var(--line-2); border-radius: 12px; overflow: hidden; cursor: zoom-in;
  box-shadow: 0 24px 60px -28px rgba(0,0,0,0.85);
}
.scene-band img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.7) contrast(1.05); transition: transform 900ms var(--ease), filter 900ms var(--ease); }
.scene-band:hover img { transform: scale(1.04); filter: brightness(0.9) contrast(1.06); }
.scene-band-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 20px; gap: 8px; z-index: 2;
  background: linear-gradient(180deg, rgba(10,14,26,0.35), rgba(5,5,5,0.55));
}
.scene-band-tag { font-family: var(--font-serif-en); color: var(--gold-1); letter-spacing: 0.5em; font-size: 11px; text-transform: uppercase; }
.scene-band-text { font-family: var(--font-serif-cn); color: var(--ivory); font-size: 19px; letter-spacing: 0.08em; }
.scene-band-text[lang="en"] { font-family: var(--font-serif-en); font-size: 15px; font-weight: 300; color: var(--mute); }

/* Aerial scene banner */
.section-aerial { padding: 88px 20px; }
.aerial-band {
  position: relative; max-width: 1080px; margin: 0 auto; aspect-ratio: 16 / 7;
  border: 1px solid var(--line-2); border-radius: 14px; overflow: hidden; cursor: zoom-in;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.9);
}
.aerial-band img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.62) contrast(1.08) saturate(1.05); transition: transform 1200ms var(--ease), filter 900ms var(--ease); }
.aerial-band:hover img { transform: scale(1.05); filter: brightness(0.8) contrast(1.1) saturate(1.1); }
.aerial-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 28px; gap: 12px; z-index: 2;
  background: radial-gradient(ellipse at 50% 50%, rgba(10,14,26,0.35), rgba(5,5,5,0.62));
}
.aerial-eyebrow { font-family: var(--font-serif-en); color: var(--gold-1); letter-spacing: 0.5em; font-size: 11px; text-transform: uppercase; }
.aerial-title { font-family: var(--font-serif-cn); color: var(--ivory); font-size: 30px; letter-spacing: 0.1em; font-weight: 400; }
.aerial-title[lang="en"] { font-family: var(--font-serif-en); font-weight: 300; font-size: 26px; }
.aerial-desc { font-family: var(--font-serif-cn); color: var(--mute); font-size: 14px; max-width: 540px; line-height: 1.8; }
.aerial-desc[lang="en"] { font-family: var(--font-serif-en); font-weight: 300; }
@media (max-width: 640px) {
  .aerial-title { font-size: 22px; } .aerial-title[lang="en"] { font-size: 19px; }
  .scene-band { aspect-ratio: 16 / 11; }
}

/* Rules */
.rules-block {
  border: 1px solid var(--line); border-radius: 10px;
  background: linear-gradient(145deg, rgba(23,19,14,0.9), rgba(12,10,8,0.9)); padding: 24px 20px; text-align: left;
}
.rules-block ol { list-style: none; counter-reset: rule; }
.rules-block li {
  counter-increment: rule; position: relative; padding: 12px 0 12px 40px; border-bottom: 1px dashed var(--line);
  color: var(--ivory); font-size: 14px; line-height: 1.7;
}
.rules-block li:last-child { border-bottom: 0; }
.rules-block li::before {
  content: counter(rule, decimal-leading-zero); position: absolute; left: 0; top: 14px;
  font-family: var(--font-serif-en); color: var(--gold-1); font-size: 14px; letter-spacing: 0.1em; font-weight: 300;
}

/* Footer */
.site-footer {
  padding: 40px 20px 60px; text-align: center; color: var(--mute); font-size: 12px;
  letter-spacing: 0.24em; border-top: 1px solid var(--line); margin-top: 60px; position: relative; z-index: 3;
}
.site-footer .fmark { font-family: var(--font-serif-en); color: var(--gold-1); letter-spacing: 0.4em; font-size: 13px; margin-bottom: 8px; font-weight: 300; }

/* Modals */
.modal-mask {
  position: fixed; inset: 0; z-index: 200; background: rgba(2,2,2,0.72);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); display: none;
  align-items: center; justify-content: center; padding: 20px; opacity: 0; transition: opacity var(--dur) var(--ease);
}
.modal-mask.show { display: flex; opacity: 1; }
.modal-card {
  width: 100%; max-width: 460px; max-height: 92svh; overflow-y: auto;
  background: linear-gradient(170deg, #1a140c 0%, #0a0805 100%); border: 1px solid var(--gold-3); border-radius: 10px;
  position: relative; transform: translateY(14px) scale(0.98); transition: transform var(--dur) var(--ease);
}
.modal-mask.show .modal-card { transform: translateY(0) scale(1); }
.modal-card::before {
  content: ""; position: absolute; inset: -1px; border-radius: 10px; padding: 1px;
  background: linear-gradient(145deg, var(--gold-2), transparent 40%, transparent 60%, var(--gold-3));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; opacity: 0.7;
}
.modal-head { padding: 26px 24px 12px; text-align: center; border-bottom: 1px solid var(--line); }
.modal-eyebrow { font-family: var(--font-serif-en); color: var(--gold-1); font-size: 10px; letter-spacing: 0.5em; text-transform: uppercase; opacity: 0.9; margin-bottom: 10px; font-weight: 300; }
.modal-title { font-family: var(--font-serif-cn); font-weight: 400; color: var(--ivory); font-size: 22px; letter-spacing: 0.08em; line-height: 1.4; }
.modal-title[lang="en"] { font-family: var(--font-serif-en); letter-spacing: 0.04em; font-weight: 300; }
.modal-sub { margin-top: 8px; font-size: 12px; color: var(--mute); letter-spacing: 0.08em; }
.prize-badge {
  margin: 18px auto 6px; padding: 10px 16px; display: inline-flex; align-items: center; gap: 10px;
  border: 1px solid var(--gold-3); border-radius: 999px; background: rgba(122,94,50,0.12);
  color: var(--gold-2); font-family: var(--font-serif-en); font-size: 13px; letter-spacing: 0.16em; font-weight: 300;
}
.prize-tier { color: var(--gold-1); font-weight: 400; }
.prize-name { color: var(--ivory); font-weight: 400; }
.modal-body { padding: 18px 24px 24px; }
.form-row { margin-bottom: 14px; text-align: left; }
.form-row label { display: block; font-size: 12px; color: var(--gold-1); letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 6px; font-family: var(--font-serif-en); font-weight: 300; }
.form-row .req { color: var(--danger); margin-left: 3px; }
.form-row input, .form-row textarea {
  width: 100%; height: 56px; padding: 0 14px; background: rgba(5,5,5,0.6); border: 1px solid var(--line-2);
  border-radius: 6px; color: var(--ivory); font-size: 14px; letter-spacing: 0.02em;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease); outline: none; font-family: var(--font-sans); font-weight: 400;
}
.form-row textarea { height: auto; min-height: 96px; padding: 14px; resize: vertical; line-height: 1.55; }
.form-row input::placeholder, .form-row textarea::placeholder { color: #e6bc78; opacity: 1; letter-spacing: 0.02em; text-shadow: 0 2px 4px #000, 0 0 6px rgba(0,0,0,1); }
input::placeholder, textarea::placeholder { color: #e6bc78 !important; opacity: 1 !important; }
.form-row input:focus, .form-row textarea:focus { border-color: var(--gold-1); background: rgba(20,15,8,0.85); }
.form-row.error input, .form-row.error textarea { border-color: var(--danger); }
.err-msg { display: none; margin-top: 6px; font-size: 12px; color: var(--danger); letter-spacing: 0.04em; }
.form-row.error .err-msg { display: block; }
.btn-primary {
  width: 100%; height: 56px; border-radius: 6px;
  background: linear-gradient(145deg, var(--gold-3) 0%, var(--gold-1) 55%, var(--gold-2) 100%);
  color: #14100a; font-family: var(--font-serif-en); font-size: 14px; letter-spacing: 0.36em;
  text-transform: uppercase; font-weight: 400; cursor: pointer;
  transition: transform var(--dur) var(--ease), filter var(--dur) var(--ease); margin-top: 8px;
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.08); }
.btn-primary:active { transform: translateY(0); }
.modal-note { margin-top: 16px; text-align: center; font-size: 11px; color: var(--mute); letter-spacing: 0.1em; line-height: 1.7; }
.modal-close {
  position: absolute; top: 12px; right: 12px; width: 34px; height: 34px; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--mute); display: grid; place-items: center;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease); z-index: 2;
}
.modal-close:hover { color: var(--gold-1); border-color: var(--gold-3); }
.modal-close svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.5; }
.success-card { max-width: 380px; padding: 40px 28px 32px; text-align: center; }
.success-card .btn-primary { margin-top: 22px; }
.check-ring { width: 76px; height: 76px; margin: 0 auto 18px; }
.check-ring circle { fill: none; stroke: var(--gold-1); stroke-width: 1.5; stroke-dasharray: 220; stroke-dashoffset: 220; animation: cRing 700ms var(--ease) forwards; }
.check-ring path { fill: none; stroke: var(--gold-2); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 40; stroke-dashoffset: 40; animation: cCheck 500ms var(--ease) 480ms forwards; }
@keyframes cRing { to { stroke-dashoffset: 0; } }
@keyframes cCheck { to { stroke-dashoffset: 0; } }
.success-title { font-family: var(--font-serif-cn); font-weight: 400; color: var(--ivory); font-size: 22px; letter-spacing: 0.08em; }
.success-title[lang="en"] { font-family: var(--font-serif-en); font-weight: 300; }
.success-text { margin-top: 12px; color: var(--mute); font-size: 14px; line-height: 1.7; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 300; background: rgba(2,2,2,0.9); backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center; padding: 20px; opacity: 0;
  transition: opacity var(--dur) var(--ease); cursor: zoom-out;
}
.lightbox.show { display: flex; opacity: 1; }
.lightbox img { max-width: 100%; max-height: 90svh; border: 1px solid var(--gold-3); border-radius: 6px; object-fit: contain; }

/* Scroll arrow */
.scroll-arrow { text-align: center; margin-top: 48px; cursor: pointer; animation: arrowBounce 2s ease-in-out infinite; }
.scroll-arrow svg { width: 40px; height: 40px; display: inline-block; filter: drop-shadow(0 2px 6px rgba(0,0,0,0.95)); stroke: var(--gold-1); stroke-width: 2.5; }
.scroll-arrow .scroll-arrow-text { display: block; color: #F2CD94 !important; font-size: 13px; letter-spacing: 0.12em; font-weight: 500; text-shadow: 0 2px 4px #000, 0 0 6px rgba(0,0,0,1) !important; margin-top: 6px; }
@keyframes arrowBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* Responsive */
@media (min-width: 640px) {
  .section { padding: 96px 40px; }
  .site-header { padding: 18px 32px; }
  body { font-size: 16px; }
}
@media (max-width: 380px) {
  .brand-name { display: none; }
}
.no-scroll { overflow: hidden; }

/* Hero value strip (USD) */
.value-strip {
  list-style: none; display: flex; align-items: center; justify-content: center;
  gap: 18px; margin: 22px auto 4px; padding: 0; flex-wrap: wrap;
}
.value-strip li { display: flex; flex-direction: column; gap: 2px; align-items: center; }
.value-num {
  font-family: var(--font-serif-en); color: var(--ivory); font-size: clamp(20px, 5vw, 26px);
  letter-spacing: 0.04em; font-weight: 300; text-shadow: 0 1px 2px #000, 0 0 3px rgba(0,0,0,0.85);
}
.value-num.free { color: var(--gold-1); }
.value-label {
  font-family: var(--font-serif-en); color: var(--mute); font-size: 11px;
  letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500;
  text-shadow: 0 2px 4px #000, 0 0 6px rgba(0,0,0,1);
}
.value-divider { width: 1px; height: 30px; background: linear-gradient(to bottom, transparent, var(--gold-3), transparent); }
@media (max-width: 380px) { .value-strip { gap: 12px; } .value-divider { display: none; } }

/* Claim countdown modal */
.claim-card { text-align: center; padding-bottom: 28px; }
.claim-timer { position: relative; width: 120px; height: 120px; margin: 18px auto 6px; }
.claim-ring { width: 100%; height: 100%; transform: rotate(-90deg); }
.claim-ring-bg { fill: none; stroke: var(--line-2); stroke-width: 4; }
.claim-ring-fg { fill: none; stroke: var(--gold-1); stroke-width: 4; stroke-linecap: round; transition: stroke-dashoffset 1s linear, stroke 0.4s ease; }
.claim-timer-num {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--font-serif-en); color: var(--ivory); font-size: 26px; letter-spacing: 0.04em; font-weight: 300;
  text-shadow: 0 1px 2px #000, 0 0 3px rgba(0,0,0,0.85);
}
.claim-value {
  margin: 14px auto 20px; font-family: var(--font-serif-en); color: var(--mute);
  font-size: 13px; letter-spacing: 0.08em; font-weight: 500;
  text-shadow: 0 2px 4px #000, 0 0 6px rgba(0,0,0,1);
}
.claim-release {
  display: block; width: 100%; margin-top: 12px; padding: 10px; color: var(--mute);
  font-family: var(--font-serif-en); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  text-decoration: underline; text-underline-offset: 3px; opacity: 0.8;
}
.claim-release:hover { color: var(--gold-1); opacity: 1; }
.claim-expired {
  margin-top: 14px; color: var(--danger); font-family: var(--font-serif-en);
  font-size: 13px; letter-spacing: 0.04em; line-height: 1.6; font-weight: 500;
  text-shadow: 0 2px 4px #000, 0 0 6px rgba(0,0,0,1);
}

/* ===================== 无障碍播报区 ===================== */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ===================== RTL（阿拉伯语）镜像 ===================== */
body.is-rtl { direction: rtl; }
body.is-rtl .lang__menu { right: auto; left: 0; }
body.is-rtl .site-header .brand { flex-direction: row; }

/* ===================== 宽字体（泰语 / 越南语 / 阿语）排版兜底 ===================== */
:lang(th), :lang(vi), :lang(ar) { line-height: 1.75; }
:lang(th) .suspense-headline,
:lang(vi) .suspense-headline,
:lang(ar) .suspense-headline { letter-spacing: 0; }
:lang(th) .section-eyebrow,
:lang(ar) .section-eyebrow,
:lang(th) .brand-name,
:lang(ar) .brand-name { letter-spacing: 0.08em; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}