:root { color-scheme: dark; --ink:#f4f7fb; --muted:#93a0b3; --blue:#4aa3ff; --up:#1fbf75; --down:#ff5d63; --amber:#e6b450; --line:rgba(255,255,255,.1); }
  * { box-sizing: border-box; }
  html, body { margin: 0; height: 100%; background: #05070b; color: var(--ink); font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Segoe UI", sans-serif; }
  button, input { font: inherit; color: inherit; }
  button { cursor: pointer; }
  .stage { position: relative; min-height: 100dvh; }
  .phone { width: min(100vw, 430px); height: 100dvh; margin: 0 auto; background: #080a0e; display: flex; flex-direction: column; position: relative; overflow: hidden; }
  .phone::before { content: ""; pointer-events: none; position: absolute; inset: 0; background: radial-gradient(420px 220px at 0% 0%, rgba(74,163,255,.18), transparent 60%); }
  @media (min-width: 760px) {
    .stage { display: grid; place-items: center; min-height: 100dvh; }
    .phone { height: min(920px, calc(100dvh - 28px)); border: 1px solid rgba(255,255,255,.14); border-radius: 32px; box-shadow: 0 24px 80px rgba(0,0,0,.45); }
  }
  .top, .banner, .scroll, .dock { position: relative; z-index: 1; }
  .top { position: relative; display: flex; align-items: center; direction: ltr; gap: 10px; min-height: 64px; padding: calc(8px + env(safe-area-inset-top)) 148px 8px 16px; }
  .brand { display: flex; align-items: center; gap: 8px; min-width: 0; font-weight: 650; letter-spacing: -.02em; }
  .brand span { min-width: 0; }
  .brand small { display: block; color: var(--muted); font-weight: 500; font-size: 11px; letter-spacing: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .lang-pick { position: absolute; z-index: 20; top: calc(8px + env(safe-area-inset-top)); right: 10px; margin: 0; }
  .lang-pick select { min-height: 42px; width: auto; max-width: 132px; border-radius: 12px; border: 1px solid rgba(255,255,255,.22); background: #10151c; color: #f4f7fb; padding: 0 8px; font: inherit; }
  .scroll { flex: 1; overflow: auto; padding: 28px 16px 16px; }
  .banner { margin: 0 16px 8px; border-radius: 12px; background: #2a2112; color: var(--amber); border: 1px solid rgba(230,180,80,.28); padding: 8px 10px; font-size: 12px; line-height: 1.45; }
  .dock { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); background: rgba(8,10,14,.94); padding-bottom: env(safe-area-inset-bottom); }
  .dock button { min-height: 58px; border: 0; background: transparent; color: var(--muted); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; font-size: 10px; letter-spacing: .04em; }
  .dock button.on { color: var(--ink); }
  .kicker { margin: 8px 0 0; color: #8eb7e8; font: 12px/1.4 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; letter-spacing: .16em; text-transform: uppercase; }
  h1 { margin: 18px 0 0; font-size: 34px; line-height: 1.05; letter-spacing: -.03em; }
  .lede { margin: 8px 0 0; color: var(--blue); font-size: 20px; }
  .sub { margin: 8px 0 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
  .search { margin-top: 14px; width: 100%; min-height: 48px; border-radius: 14px; border: 1px solid rgba(255,255,255,.12); background: rgba(8,10,14,.65); padding: 0 14px; }
  .chips { display: flex; gap: 8px; overflow: auto; padding: 10px 0 4px; }
  .chip { flex: 0 0 auto; min-height: 36px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: #c5ceda; padding: 0 12px; }
  .chip.on { background: var(--ink); color: #081018; border-color: var(--ink); }
  .hscroll { display: flex; gap: 10px; overflow: auto; padding-bottom: 6px; scroll-snap-type: x mandatory; }
  .card, .panel { background: #12171f; border: 1px solid rgba(255,255,255,.08); border-radius: 16px; }
  .idx { flex: 0 0 210px; scroll-snap-align: start; padding: 12px; text-align: left; }
  .idx b, .row b { display: block; font-weight: 600; }
  .muted { color: var(--muted); }
  .num { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-variant-numeric: tabular-nums; }
  .up { color: var(--up); } .down { color: var(--down); } .amber { color: var(--amber); }
  .rest { display: inline-flex; margin-top: 6px; border-radius: 999px; border: 1px solid rgba(230,180,80,.35); background: rgba(230,180,80,.1); color: var(--amber); padding: 2px 8px; font-size: 11px; }
  h2 { margin: 18px 0 8px; font-size: 22px; font-weight: 560; }
  .list { display: grid; gap: 10px; }
  .row { width: 100%; text-align: left; padding: 12px; display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; }
  .price { font-size: 18px; }
  .back { border: 0; background: transparent; color: var(--blue); padding: 8px 0; }
  .hero-price { font-size: 36px; margin: 8px 0 0; }
  .facts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .fact { padding: 10px; }
  .fact span { display: block; color: var(--muted); font-size: 12px; }
  .chart { width: 100%; height: 180px; display: block; }
  .note { color: var(--muted); font-size: 12px; line-height: 1.5; }
  .badge { display: inline-flex; border-radius: 999px; border: 1px solid rgba(255,255,255,.1); padding: 2px 8px; font-size: 11px; color: var(--muted); }
  .actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
  .btn { min-height: 44px; border-radius: 12px; border: 1px solid transparent; padding: 0 12px; font-size: 13px; font-weight: 650; }
  .btn-light { background: var(--ink); color: #080a0e; }
  .btn-ghost { background: transparent; border-color: rgba(255,255,255,.16); }
  .empty { padding: 28px 8px; color: var(--muted); }
  .modal { position: absolute; inset: 0; z-index: 5; background: rgba(0,0,0,.62); display: grid; place-items: end center; padding: 16px; }
  .sheet { width: 100%; background: #161b23; border: 1px solid rgba(255,255,255,.1); border-radius: 18px; padding: 16px; }
  a.btn { display: inline-flex; align-items: center; text-decoration: none; }
  .intro { position: absolute; z-index: 8; background: #000; overflow: hidden; opacity: 1; transition: opacity .45s ease; }
  .intro.is-out { opacity: 0; }
  .intro video { width: 100%; height: 100%; object-fit: cover; pointer-events: none; background: #000; }
  .intro-copy { position: absolute; left: 6%; right: 6%; top: 13%; z-index: 2; margin: 0; padding: 8px 8px 16px; text-align: center; color: #fff; text-shadow: 0 2px 16px rgba(0,0,0,.85); }
  .intro-copy::before { content: ""; position: absolute; z-index: -1; inset: -28px -6%; background: radial-gradient(ellipse at center, rgba(0,0,0,.62), rgba(0,0,0,.2) 58%, transparent 76%); }
  .intro-kicker { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 0; color: #e6b450; font-size: 10px; font-weight: 650; letter-spacing: .26em; text-transform: uppercase; animation: intro-rise .7s ease both; }
  .intro-lead { margin: 12px 0 0; font-size: 30px; font-weight: 760; line-height: 1.15; letter-spacing: -.02em; animation: intro-rise .75s .12s ease both; }
  .intro-rest { display: grid; gap: 6px; margin-top: 14px; }
  .intro-rest p { margin: 0; color: #d7e6f8; font-size: 16px; font-weight: 560; animation: intro-rise .7s ease both; }
  .intro-rest p:first-child { animation-delay: .28s; }
  .intro-rest p:last-child { color: #f3d48a; font-weight: 750; letter-spacing: .12em; animation-delay: .46s; }
  @keyframes intro-rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
  .jumps { display: grid; gap: 12px; margin-top: 22px; }
  .jump { display: flex; align-items: center; justify-content: center; min-height: 58px; border-radius: 16px; padding: 10px 14px; text-align: center; text-decoration: none; font-size: 17px; font-weight: 700; line-height: 1.3; }
  .jump-light { background: #f4f7fb; color: #080a0e; }
  .jump-blue { background: #14345c; color: #e8f3ff; border: 1px solid rgba(74,163,255,.5); }
  @media (max-width: 759px) { .intro { inset: 0; } }
  @media (min-width: 760px) {
    .intro { width: min(100vw, 430px); height: min(920px, calc(100dvh - 28px)); left: 50%; top: 50%; transform: translate(-50%, -50%); border-radius: 32px; }
  }
  .sky { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
  .sky img { position: absolute; width: 130%; height: 130%; left: -16%; top: -10%; object-fit: cover; object-position: center 38%; filter: brightness(1.55) saturate(1.35); animation: drift 28s ease-in-out infinite alternate; }
  .sky .aurora { position: absolute; inset: -20%; background: radial-gradient(42% 32% at 18% 68%, rgba(31,191,117,.55), transparent 70%), radial-gradient(38% 30% at 80% 32%, rgba(74,163,255,.6), transparent 72%); filter: blur(8px); mix-blend-mode: screen; animation: aurora 14s ease-in-out infinite alternate; }
  .sky canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
  .sky .veil { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,10,14,.18), rgba(8,10,14,.36) 34%, rgba(8,10,14,.84)); }
  @keyframes drift { from { transform: scale(1) translate3d(0,0,0); } to { transform: scale(1.08) translate3d(-2%, -1.5%, 0); } }
  @keyframes aurora { from { transform: translate3d(-4%, 0, 0); } to { transform: translate3d(5%, -3%, 0); } }