:root {
    --bg: #08090b;
    --surface: #101216;
    --surface-2: #15181d;
    --text: #f2f1ed;
    --muted: #aaa9a4;
    --faint: #74746f;
    --line: rgba(255,255,255,.11);
    --blue: #1554e8;
    --blue-soft: #dfe8ff;
    --warm: #d97757;
    --max: 1180px;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    color: var(--text);
    background: var(--bg);
    font-family: Inter, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; text-decoration: none; }
  button, select { font: inherit; }
  .wrap { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
  header {
    position: sticky; top: 0; z-index: 20;
    border-bottom: 1px solid var(--line);
    background: rgba(8,9,11,.86);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  }
  .nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
  .brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; white-space: nowrap; font-weight: 700; letter-spacing: -.02em; line-height: 1; }
  .brand img { width: 30px; height: 30px; border-radius: 8px; }
  .brand > img:first-child { margin-right: -4px; }
  .brand .brand-bisheng { width: 83.2px; height: 16px; border-radius: 0; }
  .brand-cross { color: var(--muted); font-weight: 400; }
  .brand em { display: inline-flex; align-items: center; min-height: 27px; margin-left: 5px; padding: 5px 9px; color: #c7d5ff; font-size: 11px; font-style: normal; font-weight: 650; letter-spacing: .08em; border: 1px solid rgba(116,148,255,.3); border-radius: 999px; }
  .nav-links { display: flex; align-items: center; gap: 24px; color: var(--muted); font-size: 14px; }
  .nav-links a:hover { color: var(--text); }
  .nav-home {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 36px;
    padding: 0 13px;
    color: #111318;
    border: 1px solid #f2f1ed;
    border-radius: 999px;
    background: #f2f1ed;
    font-weight: 700;
    white-space: nowrap;
    transition: color .16s ease, border-color .16s ease, background .16s ease;
  }
  .nav-home:hover { color: #111318; border-color: #fff; background: #fff; }
  .lang-select {
    min-width: 112px;
    padding: 7px 42px 7px 13px;
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 999px;
    background-color: #111318;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='m1 1 5 5 5-5' fill='none' stroke='%23f2f1ed' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    background-size: 12px 8px;
    appearance: none;
    -webkit-appearance: none;
  }
  .hero { position: relative; display: flex; align-items: center; min-height: calc(100vh - 72px); min-height: calc(100svh - 72px); overflow: hidden; padding: 72px 0; border-bottom: 1px solid var(--line); }
  .hero > .wrap { width: min(var(--max), calc(100% - 48px)); }
  .hero::before { content: none; }
  .hero-grid { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 70px; }
  h1 { max-width: 720px; margin: 0; font-family: Georgia, "Noto Serif SC", serif; font-size: clamp(44px, 5.3vw, 70px); font-weight: 500; line-height: 1.06; letter-spacing: -.048em; text-wrap: balance; }
  html[data-lang="en"] .hero-grid,
  html[data-lang="ru"] .hero-grid,
  html[data-lang="es"] .hero-grid,
  html[data-lang="pt"] .hero-grid { grid-template-columns: minmax(0, 1.16fr) minmax(420px, .84fr); gap: 54px; }
  html[data-lang="en"] h1 { font-size: clamp(42px, 4.1vw, 56px); line-height: 1.06; letter-spacing: -.043em; }
  html[data-lang="ru"] h1 { font-size: clamp(40px, 3.8vw, 52px); line-height: 1.09; letter-spacing: -.039em; }
  html[data-lang="es"] h1,
  html[data-lang="pt"] h1 { font-size: clamp(41px, 3.95vw, 54px); line-height: 1.08; letter-spacing: -.04em; }
  html[data-lang="ja"] h1 { font-size: clamp(42px, 4.7vw, 62px); line-height: 1.13; letter-spacing: -.041em; }
  .hero-lead { max-width: 640px; margin: 24px 0 0; color: var(--muted); font-size: clamp(16px, 1.55vw, 19px); line-height: 1.72; }
  .hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
  .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; transition: transform .16s ease, background .16s ease, color .16s ease; }
  .btn:hover { transform: translateY(-1px); }
  .btn-primary { color: #111; border-color: #f2f1ed; background: #f2f1ed; font-weight: 700; }
  .hero-actions > .btn-primary { min-width: 155px; }
  .btn-secondary { color: var(--text); background: transparent; }
  .hero-download { position: relative; z-index: 5; display: inline-flex; }
  .hero-download-toggle { white-space: nowrap; }
  .hero-download:hover .hero-download-toggle, .hero-download:focus-within .hero-download-toggle { background: rgba(255,255,255,.08); }
  .hero-platform-list { position: absolute; top: calc(100% + 11px); left: 0; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 6px; width: min(490px, calc(100vw - 48px)); padding: 7px; border: 1px solid rgba(255,255,255,.48); border-radius: 16px; background: rgba(210,210,215,.98); box-shadow: 0 24px 70px rgba(0,0,0,.48), 0 1px 0 rgba(255,255,255,.42) inset; backdrop-filter: blur(18px); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-7px) scale(.985); transform-origin: top left; transition: opacity .18s ease, visibility .18s ease, transform .18s ease; }
  .hero-platform-list::before { content: ""; position: absolute; top: -12px; left: 0; right: 0; height: 12px; }
  .hero-download.is-open .hero-platform-list { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
  .hero-platform-option { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 8px; min-width: 0; padding: 10px 11px; color: #1a2234; text-align: left; border: 1px solid rgba(41,54,81,.1); border-radius: 10px; background: #e5e5ea; cursor: pointer; transition: background .14s ease, border-color .14s ease, transform .14s ease; }
  .hero-platform-option:hover, .hero-platform-option:focus-visible { border-color: rgba(71,97,188,.24); background: #f5f5f7; outline: none; transform: translateY(-1px); }
  .hero-platform-option strong { display: block; font-size: 13px; font-weight: 560; }
  .hero-platform-option small { display: block; margin-top: 2px; overflow: hidden; color: rgba(32,42,62,.54); font-size: 10.5px; text-overflow: ellipsis; white-space: nowrap; }
  .hero-platform-option svg { width: 15px; height: 15px; color: rgba(39,52,79,.46); }
  .hero-platform-option.is-current { border-color: rgba(36,47,70,.16); background: #f5f5f7; box-shadow: 0 5px 16px rgba(27,36,54,.08); }
  .hero-current-device { display: none; margin-bottom: 4px; color: #234a9a; font-size: 9px; font-weight: 620; letter-spacing: .05em; line-height: 1; }
  .hero-platform-option.is-current .hero-current-device { display: block; }
  .hero-platform-list:has(.hero-platform-option:hover) .hero-platform-option.is-current:not(:hover) { border-color: rgba(41,54,81,.1); background: #e5e5ea; box-shadow: none; }
  .hero-download-status:empty { display: none; }
  .hero-download-status:not(:empty) { position: fixed; right: 24px; bottom: 24px; z-index: 30; max-width: calc(100vw - 48px); padding: 12px 16px; border: 1px solid rgba(255,255,255,.16); border-radius: 12px; background: #242831; color: #f2f1ed; font-size: 13px; box-shadow: 0 12px 36px rgba(0,0,0,.4); }
  .hero-note { margin: 14px 0 0; color: var(--faint); font-size: 12.5px; }
  .hero-motion { display: grid; align-self: center; place-items: center; width: 100%; height: 420px; }
  .magnet-lines-container {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
    grid-template-rows: repeat(9, 1fr);
    justify-items: center;
    align-items: center;
    width: min(100%, 420px);
    aspect-ratio: 1;
  }
  .magnet-lines-container span {
    display: block;
    width: 2px;
    height: 34px;
    border-radius: 999px;
    background: rgba(242,241,237,.88);
    transform: rotate(var(--rotate, -10deg));
    transform-origin: center;
    will-change: transform;
  }
  .trust { padding: 35px 0; border-bottom: 1px solid var(--line); }
  .trust-row { display: flex; align-items: center; justify-content: space-between; gap: 34px; }
  .trust-copy { max-width: 720px; }
  .trust-copy strong { display: block; margin-bottom: 7px; font-size: 17px; }
  .trust-copy span { color: var(--muted); line-height: 1.65; }
  .bisheng { display: flex; align-items: center; gap: 14px; padding-left: 30px; border-left: 1px solid var(--line); color: var(--faint); font-size: 12px; white-space: nowrap; }
  .bisheng img { width: 126px; height: auto; border-radius: 8px; }
  .section { padding: 105px 0; border-bottom: 1px solid var(--line); }
  .section-head { display: grid; grid-template-columns: .7fr 1.3fr; gap: 56px; margin-bottom: 54px; }
  h2 { margin: 0; font-family: Georgia, "Noto Serif SC", serif; font-size: clamp(36px, 4.4vw, 58px); font-weight: 500; line-height: 1.12; letter-spacing: -.04em; text-wrap: balance; }
  .section-lead { margin: 4px 0 0; color: var(--muted); font-size: 17px; line-height: 1.8; }
  html[data-lang="zh"] .section-head { grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: 72px; }
  html[data-lang="zh"] .section-head h2 { font-size: clamp(38px, 4vw, 54px); line-height: 1.18; letter-spacing: -.035em; }
  html[data-lang="en"] .section-head,
  html[data-lang="ru"] .section-head,
  html[data-lang="es"] .section-head,
  html[data-lang="pt"] .section-head { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 68px; }
  html[data-lang="en"] .section-head h2 { font-size: clamp(38px, 3.55vw, 48px); line-height: 1.13; letter-spacing: -.035em; }
  html[data-lang="ru"] .section-head h2 { font-size: clamp(37px, 3.35vw, 45px); line-height: 1.16; letter-spacing: -.032em; }
  html[data-lang="es"] .section-head h2,
  html[data-lang="pt"] .section-head h2 { font-size: clamp(37px, 3.45vw, 46px); line-height: 1.15; letter-spacing: -.033em; }
  html[data-lang="ja"] .section-head { grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); }
  html[data-lang="ja"] .section-head h2 { font-size: clamp(38px, 4vw, 52px); line-height: 1.18; }
  .value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: #d7d5cf; border-radius: 24px; overflow: hidden; }
  .value-card { min-height: 255px; padding: 34px; color: #15171c; background: #edece7; }
  .value-number { color: #787871; font: 700 11px/1 monospace; letter-spacing: .08em; }
  .value-card h3 { margin: 46px 0 12px; color: #15171c; font-size: 22px; letter-spacing: -.025em; }
  .value-card p { margin: 0; color: #65645f; line-height: 1.72; }
  .compare { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: 26px; overflow: hidden; }
  .compare-col { padding: 38px; background: var(--surface); }
  .compare-col + .compare-col { border-left: 1px solid var(--line); background: #e8ecf5; color: #171a20; }
  .compare-label { display: block; margin-bottom: 28px; color: var(--faint); font-size: 12px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
  .compare-col + .compare-col .compare-label { color: #5a6476; }
  .compare ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; }
  .compare li { position: relative; padding-left: 23px; line-height: 1.55; }
  .compare li::before { content: ""; position: absolute; left: 0; top: .58em; width: 8px; height: 1px; background: currentColor; opacity: .5; }
  .scenarios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .scenario { min-height: 260px; padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); }
  .scenario .tag { color: #9bb1f5; font-size: 11px; font-weight: 750; letter-spacing: .1em; }
  .scenario h3 { margin: 62px 0 13px; font-size: 21px; line-height: 1.3; }
  .scenario p { margin: 0; color: var(--muted); line-height: 1.7; }
  .delivery { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); gap: 70px; align-items: center; }
  .delivery-section { min-height: 840px; display: flex; align-items: center; }
  .delivery-copy { min-width: 0; }
  .delivery-copy h2 { max-width: 640px; }
  .delivery-copy p { max-width: 680px; color: var(--muted); font-size: 17px; line-height: 1.8; }
  .delivery-list { display: grid; gap: 12px; }
  .delivery-item { padding: 22px 24px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); line-height: 1.55; }
  .delivery-proof { grid-column: 1 / -1; min-width: 0; margin-top: 18px; padding-top: 30px; border-top: 1px solid var(--line); }
  .delivery-proof-head { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 30px; }
  .delivery-proof-brand { display: flex; align-items: center; gap: 14px; white-space: nowrap; }
  .delivery-proof-brand img { width: 82px; height: auto; border-radius: 6px; }
  .delivery-proof-brand strong { display: block; font-size: 14px; }
  .delivery-proof-brand span { display: block; margin-top: 3px; color: var(--faint); font-size: 11px; letter-spacing: .08em; }
  .delivery-proof-copy { max-width: 850px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
  .client-marquees { display: grid; gap: 12px; min-width: 0; margin-top: 28px; }
  .client-marquee { position: relative; min-width: 0; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); }
  .client-track { display: flex; width: max-content; animation: client-marquee 34s linear infinite; }
  .client-marquee:nth-child(2) .client-track { animation-direction: reverse; animation-duration: 38s; }
  .client-logo-strip { display: block; flex: 0 0 auto; width: 1968px; height: 58px; max-width: none; }
  .client-logo-strip[src*="row-2"] { width: 1804px; }
  .client-marquees:hover .client-track { animation-play-state: paused; }
  @keyframes client-marquee { to { transform: translateX(-50%); } }
  .cta-section { padding: 68px 0; }
  .cta-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 42px; padding: 48px; color: #15171c; border-radius: 28px; background: #edece7; }
  .cta-panel h2 { max-width: 760px; font-size: clamp(34px, 4vw, 52px); }
  .cta-panel p { max-width: 660px; margin: 17px 0 0; color: #65645f; line-height: 1.7; }
  .cta-panel .btn-primary { color: #fff; border-color: #111318; background: #111318; }
  .contact-dialog { width: min(620px, calc(100% - 32px)); max-width: none; padding: 0; color: var(--text); border: 0; background: transparent; }
  .contact-dialog::backdrop { background: rgba(0,0,0,.78); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
  .contact-card { position: relative; padding: 34px; border: 1px solid rgba(242,241,237,.16); border-radius: 24px; background: #10100f; box-shadow: 0 28px 90px rgba(0,0,0,.58); }
  .contact-close { position: absolute; top: 18px; right: 18px; width: 36px; height: 36px; padding: 0; color: var(--muted); border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; font-size: 22px; line-height: 1; }
  .contact-close:hover { color: var(--text); border-color: rgba(255,255,255,.28); }
  .contact-card h2 { max-width: 480px; padding-right: 34px; font-size: 36px; line-height: 1.16; }
  .contact-intro { max-width: 500px; margin: 14px 0 26px; color: var(--muted); line-height: 1.7; }
  .download-dialog .contact-intro { margin-bottom: 16px; }
  .download-dialog-status { margin: 0 0 24px; color: var(--muted); font-size: 13px; line-height: 1.6; }
  .download-dialog .btn { max-width: 100%; text-align: center; }
  .contact-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
  .contact-field { display: grid; gap: 8px; color: var(--muted); font-size: 13px; }
  .contact-field[hidden] { display: none; }
  .contact-field-wide { grid-column: 1 / -1; }
  .contact-field input,.contact-field textarea,.contact-field select { width: 100%; color: var(--text); border: 1px solid rgba(242,241,237,.13); border-radius: 12px; outline: 0; background: #090908; font: inherit; transition: border-color .16s ease, background .16s ease, box-shadow .16s ease; }
  .contact-field input,.contact-field select { height: 46px; padding: 0 14px; }
  .contact-field select { color-scheme: dark; }
  .contact-field textarea { min-height: 116px; padding: 12px 14px; line-height: 1.6; resize: vertical; }
  .contact-field input:focus,.contact-field textarea:focus,.contact-field select:focus { border-color: rgba(242,241,237,.5); background: #0c0c0b; box-shadow: 0 0 0 3px rgba(242,241,237,.055); }
  .contact-field input::placeholder,.contact-field textarea::placeholder { color: #666560; }
  .contact-dialog :focus-visible { outline-color: rgba(242,241,237,.7); }
  .contact-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
  .contact-submit { width: 100%; margin-top: 22px; }
  .contact-phone-hint { color: var(--muted); font-size: 11px; line-height: 1.5; font-weight: 400; }
  .contact-error { min-height: 20px; margin: 10px 0 0; color: #ff9a91; font-size: 12px; text-align: center; }
  .contact-privacy { margin: 4px 0 0; color: var(--faint); font-size: 11px; line-height: 1.55; text-align: center; }
  .contact-success { padding: 28px 8px 8px; text-align: center; }
  .contact-success-mark { display: grid; place-items: center; width: 52px; height: 52px; margin: 0 auto 22px; color: #111318; border-radius: 50%; background: #f2f1ed; font-size: 24px; }
  .contact-success h2 { max-width: none; padding: 0; }
  .contact-success p { max-width: 430px; margin: 16px auto 26px; color: var(--muted); font-size: 16px; line-height: 1.7; }
  .contact-success .btn { min-width: 150px; }
  footer { padding: 38px 0 48px; color: var(--faint); font-size: 13px; border-top: 1px solid var(--line); }
  .footer-layout { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: 64px; }
  .footer-meta { max-width: 680px; }
  .footer-side { display: flex; min-width: 330px; flex-direction: column; align-items: flex-end; }
  .footer-links { display: flex; justify-content: flex-end; gap: 20px; }
  .footer-links a:hover { color: var(--text); }
  .footer-maker { display: flex; align-items: center; justify-content: flex-end; gap: 10px; width: 100%; margin-top: 28px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
  .footer-maker img { width: 64px; border-radius: 5px; }
  .footer-note { margin: 18px 0 0; line-height: 1.72; text-wrap: pretty; }
  :focus-visible { outline: 2px solid #83a0ff; outline-offset: 4px; }
  @media (max-width: 880px) {
    .wrap { width: min(100% - 32px, var(--max)); }
    .nav-links a:not(.always) { display: none; }
    .hero { padding: 68px 0; }
    .hero-grid, .section-head, .delivery { grid-template-columns: 1fr; gap: 40px; }
    .delivery-proof { grid-column: auto; margin-top: 4px; }
    html[data-lang="en"] .hero-grid,
    html[data-lang="ru"] .hero-grid,
    html[data-lang="es"] .hero-grid,
    html[data-lang="pt"] .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    html[data-lang="zh"] .section-head,
    html[data-lang="en"] .section-head,
    html[data-lang="ru"] .section-head,
    html[data-lang="es"] .section-head,
    html[data-lang="pt"] .section-head,
    html[data-lang="ja"] .section-head { grid-template-columns: 1fr; gap: 28px; }
    .trust-row { align-items: flex-start; flex-direction: column; }
    .bisheng { padding: 18px 0 0; border-left: 0; border-top: 1px solid var(--line); }
    .scenarios { grid-template-columns: 1fr; }
    .scenario { min-height: auto; }
    .scenario h3 { margin-top: 34px; }
    .cta-panel { grid-template-columns: 1fr; padding: 36px; }
    .cta-action { justify-self: start; }
    .footer-layout { grid-template-columns: 1fr; gap: 28px; }
    .footer-side { width: 100%; min-width: 0; }
  }
  @media (max-width: 820px) {
    .nav { flex-wrap: wrap; gap: 12px; padding-top: 14px; padding-bottom: 14px; }
    .nav-links { margin-left: auto; }
  }
  @media (max-width: 720px) {
    .nav-contact { display: none !important; }
  }
  @media (max-width: 580px) {
    .nav { min-height: 64px; flex-wrap: wrap; gap: 12px; padding-top: 14px; padding-bottom: 14px; }
    .brand { gap: 8px; font-size: 14px; }
    .brand > img:first-child { width: 26px; height: 26px; }
    .brand .brand-bisheng { width: 75.2px; height: 14.4px; }
    .nav-links { margin-left: auto; }
    .brand em { display: none; }
    .nav-links { gap: 10px; }
    .nav-contact { display: none !important; }
    .nav-home { min-height: 34px; padding: 0 11px; }
    .lang-select { min-width: 106px; max-width: 118px; }
    h1,
    html[data-lang="en"] h1,
    html[data-lang="ru"] h1,
    html[data-lang="es"] h1,
    html[data-lang="pt"] h1,
    html[data-lang="ja"] h1 { font-size: clamp(34px, 10vw, 40px); line-height: 1.1; }
    html[data-lang="en"] h1,
    html[data-lang="ru"] h1,
    html[data-lang="es"] h1,
    html[data-lang="pt"] h1 { font-size: clamp(32px, 9vw, 37px); line-height: 1.12; }
    html[data-lang="ja"] h1 { font-size: clamp(34px, 9.8vw, 39px); line-height: 1.14; }
    html[data-lang="en"] .section-head h2,
    html[data-lang="ru"] .section-head h2,
    html[data-lang="es"] .section-head h2,
    html[data-lang="pt"] .section-head h2,
    html[data-lang="ja"] .section-head h2 { font-size: clamp(33px, 9vw, 38px); line-height: 1.16; }
    .hero { min-height: calc(100svh - 64px); }
    .hero-grid { gap: 46px; }
    .hero-motion { width: min(100%, 420px); height: 320px; justify-self: center; }
    .magnet-lines-container { width: min(100%, 320px); }
    .magnet-lines-container span { height: 27px; }
    .bisheng { width: 100%; justify-content: space-between; gap: 12px; white-space: normal; }
    .bisheng span { min-width: 0; line-height: 1.45; }
    .bisheng img { width: 96px; flex: 0 0 auto; }
    .section { padding: 76px 0; }
    .delivery-section { min-height: 0; }
    .delivery-proof-head { grid-template-columns: 1fr; gap: 16px; }
    .client-logo-strip { width: 3346px; height: auto; }
    .client-logo-strip[src*="row-2"] { width: 3067px; }
    .value-grid, .compare { grid-template-columns: 1fr; }
    .value-card { min-height: 230px; padding: 28px; }
    .compare-col { padding: 30px; }
    .compare-col + .compare-col { border-left: 0; border-top: 1px solid var(--line); }
    .cta-section { padding: 16px 0 48px; }
    .cta-panel { padding: 30px 24px; border-radius: 22px; }
    .contact-card { padding: 28px 22px; border-radius: 20px; }
    .contact-card h2 { font-size: 31px; }
    .contact-fields { grid-template-columns: 1fr; }
    .contact-field-wide { grid-column: auto; }
    .footer-row { align-items: flex-start; flex-direction: column; }
    .footer-links { flex-wrap: wrap; }
  }
  @media (max-width: 580px) {
    .hero-download { position: static; }
    .hero-actions { position: relative; }
    .hero-platform-list { top: calc(100% + 11px); left: 0; grid-template-columns: 1fr; }
  }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }