:root {
    --deep: #0a2427;
    --teal: #0d3133;
    --teal-2: #134a46;
    --card: rgba(255,255,255,.06);
    --card-line: rgba(255,255,255,.09);
    --lime: #c4e65a;
    --lime-dark: #a8cc3c;
    --text: #e8f1ef;
    --muted: #9db8b3;
    --ink: #0b2628;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
  html { scroll-behavior: smooth; }
  body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", "Noto Sans", sans-serif; color: var(--text); line-height: 1.65; background: #061a1c; font-size: 15px; }
  a { color: inherit; text-decoration: none; }
  .app { max-width: 440px; margin: 0 auto; min-height: 100vh; padding-bottom: calc(92px + env(safe-area-inset-bottom)); box-shadow: 0 0 60px rgba(0,0,0,.5); overflow: hidden; isolation: isolate; }
  section { padding: 36px 20px; }
  .alt { background: rgba(255,255,255,.025); }
  .nowrap-cjk { word-break: keep-all; overflow-wrap: anywhere; text-wrap: pretty; }

  .flow-bg { position: fixed; top: 0; bottom: 0; left: 50%; transform: translateX(-50%); width: 100%; max-width: 440px; overflow: hidden; z-index: -1; pointer-events: none; background: linear-gradient(160deg, #0a2427 0%, #0d3133 35%, #0b2b2c 65%, #072022 100%); background-size: 300% 300%; animation: flowGrad 16s ease infinite; }
  .flow-bg span { position: absolute; border-radius: 50%; filter: blur(60px); animation: drift 20s ease-in-out infinite alternate; }
  .flow-bg span:nth-child(1) { width: 340px; height: 340px; background: #1e6a5c; opacity: .6; top: -90px; left: -80px; }
  .flow-bg span:nth-child(2) { width: 260px; height: 260px; background: #c4e65a; opacity: .16; top: 38%; right: -90px; animation-duration: 24s; animation-delay: -6s; }
  .flow-bg span:nth-child(3) { width: 320px; height: 320px; background: #16564f; opacity: .55; bottom: -120px; left: 5%; animation-duration: 28s; animation-delay: -12s; }
  .flow-bg span:nth-child(4) { width: 180px; height: 180px; background: #7fd36b; opacity: .12; top: 12%; right: 10%; animation-duration: 18s; animation-delay: -3s; }
  @keyframes flowGrad { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
  @keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(70px, 90px) scale(1.18); }
    100% { transform: translate(-50px, 170px) scale(.9); }
  }

  .loader { position: fixed; inset: 0; z-index: 100; background: #061a1c; display: flex; justify-content: center; isolation: isolate; transition: opacity .5s, visibility .5s; }
  .loader.hide { opacity: 0; visibility: hidden; }
  .loader-inner { width: 100%; max-width: 440px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 40px 28px; }
  .loader .logo-wrap { position: relative; width: 112px; height: 112px; margin-bottom: 30px; }
  .loader .logo-wrap img { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 16px 40px rgba(0,0,0,.45); }
  .loader .ring { position: absolute; inset: -14px; border-radius: 38px; border: 3px solid rgba(196,230,90,.22); border-top-color: var(--lime); animation: spin 1s linear infinite; }
  @keyframes spin { to { transform: rotate(360deg); } }
  .free-badge { display: inline-block; background: var(--lime); color: var(--ink); font-weight: 800; font-size: 14px; padding: 6px 16px; border-radius: 999px; margin-bottom: 16px; box-shadow: 0 8px 24px rgba(196,230,90,.35); animation: pop 1.6s ease-in-out infinite; }
  @keyframes pop { 50% { transform: scale(1.06); } }
  .loader h1 { font-size: 24px; line-height: 1.35; font-weight: 900; color: #fff; margin-bottom: 8px; }
  .loader p { color: var(--muted); font-size: 14px; margin-bottom: 26px; }
  .loader .bar { width: 100%; max-width: 280px; height: 6px; border-radius: 6px; background: rgba(255,255,255,.08); overflow: hidden; margin-bottom: 18px; }
  .loader .bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--lime), #7fd36b); transition: width 1.8s ease-out; }
  .loader small { color: #6f8e89; font-size: 11px; max-width: 300px; }

  .go-page:not(.show) { display: none; }
  .go-page { z-index: 200; }
  .go-page .status { color: var(--lime); font-size: 13px; font-weight: 700; margin-bottom: 10px; }
  .go-page p { margin-bottom: 14px; }
  .go-btn { display: block; width: 100%; max-width: 320px; margin: 22px auto 14px; background: var(--lime); color: var(--ink); font-weight: 800; font-size: 17px; padding: 15px; border-radius: 14px; box-shadow: 0 10px 26px rgba(196,230,90,.25); }
  .go-btn:active { transform: scale(.97); }
  .go-page .back { color: var(--muted); font-size: 14px; }
  .go-foot { margin-top: 30px; font-size: 11px; color: #6f8e89; }

  .score > div, .item, .tile, .flags span, .step, .box, .hero-logo, .brand, .gallery img { cursor: pointer; transition: transform .15s, border-color .15s; }
  .score > div:active, .item:active, .tile:active, .flags span:active, .step:active, .box:active { transform: scale(.97); border-color: rgba(196,230,90,.5); }
  .gallery { cursor: pointer; }

  @media (prefers-reduced-motion: reduce) {
    .flow-bg, .flow-bg span, .free-badge { animation: none; }
  }
  h2 { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 6px; text-align: center; }
  .sub { text-align: center; color: var(--muted); font-size: 14px; margin-bottom: 22px; }
  .btn { display: block; width: 100%; text-align: center; background: var(--lime); color: var(--ink); font-weight: 800; font-size: 17px; padding: 15px; border-radius: 14px; transition: transform .15s; box-shadow: 0 10px 26px rgba(196,230,90,.25); }
  .btn:active { transform: scale(.97); background: var(--lime-dark); }
  .icon { flex: none; width: 44px; height: 44px; border-radius: 12px; background: rgba(196,230,90,.14); display: grid; place-items: center; font-size: 21px; }

  header { position: sticky; top: 0; z-index: 20; background: rgba(10,36,39,.78); backdrop-filter: blur(8px); display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 16px; border-bottom: 1px solid var(--card-line); }
  .brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 16px; min-width: 0; }
  .brand img { width: 34px; height: 34px; border-radius: 9px; }
  .brand small { display: block; font-weight: 400; font-size: 11px; color: var(--muted); line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .head-right { display: flex; align-items: center; gap: 8px; flex: none; }
  .lang { background: var(--card); color: #fff; border: 1px solid var(--card-line); border-radius: 999px; padding: 6px 8px; font-size: 13px; font-family: inherit; max-width: 110px; }
  .lang option { color: #000; }
  header .mini { background: var(--lime); color: var(--ink); font-weight: 800; font-size: 13px; padding: 7px 14px; border-radius: 999px; white-space: nowrap; }

  .hero { text-align: center; padding: 36px 20px 40px; }
  .hero-logo { width: 96px; height: 96px; border-radius: 24px; margin: 0 auto 18px; box-shadow: 0 14px 34px rgba(0,0,0,.4); }
  .eyebrow { display: inline-block; font-size: 12px; color: var(--lime); border: 1px solid rgba(196,230,90,.4); padding: 3px 12px; border-radius: 999px; margin-bottom: 12px; }
  .hero h1 { font-size: 28px; line-height: 1.3; font-weight: 900; margin-bottom: 12px; color: #fff; }
  .hero p { color: #c6dbd7; font-size: 15px; margin-bottom: 24px; }
  .score { display: flex; justify-content: center; gap: 10px; margin-bottom: 24px; }
  .score div { background: var(--card); border: 1px solid var(--card-line); border-radius: 12px; padding: 10px 8px; flex: 1; }
  .score b { display: block; font-size: 20px; color: #fff; }
  .score small { color: var(--muted); font-size: 12px; }
  .note-ok { font-size: 13px; color: var(--muted); margin-top: 12px; }
  .note-ok::before { content: "✔ "; color: var(--lime); font-weight: 700; }

  .list { display: grid; gap: 12px; }
  .item { display: flex; gap: 14px; align-items: flex-start; background: var(--card); border: 1px solid var(--card-line); border-radius: 14px; padding: 16px; }
  .item h3 { font-size: 16px; color: #fff; margin-bottom: 2px; }
  .item p { color: var(--muted); font-size: 14px; }

  .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .tile { background: var(--card); border: 1px solid var(--card-line); border-radius: 14px; padding: 16px 12px; text-align: center; }
  .tile .icon { margin: 0 auto 8px; }
  .tile h3 { font-size: 15px; color: #fff; }
  .tile p { font-size: 12px; color: var(--muted); }

  .shots { padding-left: 0; padding-right: 0; }
  .gallery { direction: ltr; display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 4px 20px 8px; scrollbar-width: none; cursor: grab; touch-action: pan-x pan-y; }
  .gallery::-webkit-scrollbar { display: none; }
  .gallery.dragging { cursor: grabbing; scroll-snap-type: none; }
  .gallery img { flex: none; width: 62%; aspect-ratio: 230 / 498; object-fit: cover; border-radius: 18px; scroll-snap-align: center; box-shadow: 0 12px 28px rgba(0,0,0,.45); user-select: none; -webkit-user-drag: none; pointer-events: none; }
  .dots { direction: ltr; display: flex; justify-content: center; gap: 4px; margin-top: 14px; }
  .dots button { border: none; background: none; padding: 6px 3px; cursor: pointer; }
  .dots button i { display: block; width: 6px; height: 6px; border-radius: 6px; background: #2f5a55; transition: .25s; }
  .dots button.on i { width: 18px; background: var(--lime); }

  .flags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
  .flags span { background: var(--card); border: 1px solid var(--card-line); padding: 7px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; }

  .steps { counter-reset: s; display: grid; gap: 12px; }
  .step { position: relative; padding-block: 14px; padding-inline: 60px 16px; background: var(--card); border: 1px solid var(--card-line); border-radius: 14px; }
  .step::before { counter-increment: s; content: counter(s); position: absolute; inset-inline-start: 16px; top: 50%; transform: translateY(-50%); width: 30px; height: 30px; border-radius: 50%; background: var(--lime); color: var(--ink); font-weight: 800; display: grid; place-items: center; }
  .step h3 { font-size: 15px; color: #fff; }
  .step p { font-size: 13px; color: var(--muted); }

  .pros-cons { display: grid; gap: 12px; }
  .box { border-radius: 14px; padding: 16px; border: 1px solid var(--card-line); }
  .box h3 { font-size: 15px; margin-bottom: 8px; color: #fff; }
  .box li { list-style: none; font-size: 14px; padding-block: 3px; padding-inline: 22px 0; position: relative; color: #d5e5e2; }
  .pros { background: rgba(196,230,90,.08); }
  .pros li::before { content: "✔"; position: absolute; inset-inline-start: 0; color: var(--lime); font-weight: 700; }
  .cons { background: rgba(255,255,255,.04); }
  .cons li::before { content: "–"; position: absolute; inset-inline-start: 4px; color: #f08a8a; font-weight: 700; }

  .faq-item { border-bottom: 1px solid var(--card-line); }
  .faq-q { width: 100%; text-align: start; background: none; border: none; padding: 16px 0; font-size: 15px; font-weight: 700; color: #fff; display: flex; justify-content: space-between; gap: 12px; font-family: inherit; cursor: pointer; }
  .faq-q::after { content: "+"; color: var(--lime); font-size: 20px; line-height: 1; transition: .2s; }
  .faq-item.open .faq-q::after { transform: rotate(45deg); }
  .faq-a { max-height: 0; overflow: hidden; transition: max-height .3s; }
  .faq-a p { padding-bottom: 16px; color: var(--muted); font-size: 14px; }

  .final { background: linear-gradient(180deg, transparent, rgba(196,230,90,.07)); text-align: center; }
  .final p { color: #c6dbd7; margin-bottom: 20px; font-size: 14px; }

  footer { background: rgba(0,0,0,.3); color: #6f8e89; font-size: 11px; padding: 18px 20px; text-align: center; }
  .foot-short { line-height: 1.6; }
  .copy { margin-top: 6px; }

  .sticky-cta { position: fixed; left: 50%; transform: translateX(-50%); bottom: 0; width: 100%; max-width: 440px; z-index: 30; background: rgba(10,36,39,.86); backdrop-filter: blur(8px); border-top: 1px solid var(--card-line); padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); display: flex; align-items: center; gap: 12px; }
  .sticky-cta img { width: 42px; height: 42px; border-radius: 10px; }
  .sticky-cta div { flex: 1; line-height: 1.3; }
  .sticky-cta b { font-size: 14px; color: #fff; }
  .sticky-cta small { display: block; font-size: 12px; color: var(--muted); }
  .sticky-cta a { background: var(--lime); color: var(--ink); font-weight: 800; padding: 11px 20px; border-radius: 12px; font-size: 15px; white-space: nowrap; }