:root {
  --brand: #08bdb7;
  --brand-dark: #078f8b;
  --brand-soft: #e9fbf9;
  --coral: #ff6475;
  --ink: #16212f;
  --muted: #697687;
  --line: #e8edef;
  --surface: #f7faf9;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(24, 55, 67, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { display: block; max-width: 100%; }
svg { display: block; }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  height: 76px;
  border-bottom: 1px solid rgba(232, 237, 239, .8);
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(18px);
  transition: box-shadow .25s ease, height .25s ease;
}
.site-header.scrolled { height: 68px; box-shadow: 0 10px 30px rgba(31, 60, 71, .07); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 19px; font-weight: 800; letter-spacing: .02em; }
.brand img { width: 44px; height: 44px; border-radius: 13px; box-shadow: 0 7px 20px rgba(8, 189, 183, .18); }
.main-nav { display: flex; align-items: center; gap: 35px; margin-left: auto; }
.main-nav a { position: relative; padding: 27px 0; color: #556170; font-size: 14px; transition: color .2s ease; }
.main-nav a::after { content: ""; position: absolute; left: 50%; bottom: 18px; width: 0; height: 2px; border-radius: 2px; background: var(--brand); transform: translateX(-50%); transition: width .2s ease; }
.main-nav a:hover { color: var(--brand-dark); }
.main-nav a:hover::after { width: 18px; }
.nav-download { padding: 11px 22px; border-radius: 11px; color: var(--white); background: var(--ink); font-size: 14px; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.nav-download:hover { background: var(--brand-dark); transform: translateY(-2px); }

.hero { position: relative; min-height: 800px; padding: 150px 0 80px; overflow: hidden; background: linear-gradient(135deg, #f9fdfc 0%, #fff 50%, #f1fbf9 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .26; background-image: linear-gradient(rgba(13, 157, 152, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(13, 157, 152, .08) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, black, transparent 78%); }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.orb-one { width: 420px; height: 420px; right: -120px; top: 85px; background: rgba(8, 189, 183, .10); }
.orb-two { width: 230px; height: 230px; left: -100px; bottom: 50px; background: rgba(255, 100, 117, .08); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 80px; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--brand-dark); font-size: 13px; font-weight: 800; letter-spacing: .13em; }
.eyebrow span { width: 24px; height: 3px; border-radius: 4px; background: var(--brand); }
.eyebrow.centered { justify-content: center; }
.hero h1 { margin: 22px 0 22px; font-size: clamp(46px, 5vw, 70px); line-height: 1.15; letter-spacing: -.045em; }
.hero h1 strong { color: var(--brand-dark); font-weight: 900; }
.hero-desc { max-width: 600px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; align-items: stretch; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.download-button { min-width: 176px; height: 59px; display: flex; align-items: center; gap: 11px; padding: 9px 18px; border-radius: 13px; transition: transform .2s ease, box-shadow .2s ease; }
.download-button:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(18, 36, 45, .17); }
.download-button svg { width: 26px; height: 26px; fill: currentColor; }
.download-button span { font-size: 15px; font-weight: 750; line-height: 1.1; }
.download-button small { display: block; margin-bottom: 4px; font-size: 9px; font-weight: 500; opacity: .72; }
.download-button.primary { color: #fff; background: var(--ink); }
.download-button.secondary { color: var(--ink); border: 1px solid #d9e1e4; background: #fff; }
.qr-trigger { border: 0; padding: 0 11px; color: var(--brand-dark); background: transparent; font-size: 13px; font-weight: 800; cursor: pointer; }
.qr-trigger:hover { text-decoration: underline; }
.trust-row { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 24px; color: #7c8794; font-size: 12px; }
.trust-row span { display: flex; align-items: center; gap: 7px; }
.trust-row i { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 4px rgba(8, 189, 183, .1); }

.hero-visual { position: relative; min-height: 610px; display: flex; justify-content: center; align-items: center; }
.hero-visual::before { content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%; background: linear-gradient(145deg, #d9f8f4, #f8fffe); box-shadow: inset 0 0 0 1px rgba(8, 189, 183, .07); }
.phone-shell { position: relative; z-index: 2; width: 360px; min-height: 590px; padding: 12px 17px 22px; border: 9px solid #17212e; border-radius: 42px; background: #f5f8f8; box-shadow: 0 36px 85px rgba(18, 43, 51, .24); transform: rotate(2deg); }
.phone-top { display: flex; justify-content: space-between; align-items: center; padding: 1px 9px 13px; color: #586471; font-size: 10px; }
.phone-top b { width: 80px; height: 20px; margin-top: -12px; border-radius: 0 0 14px 14px; background: #17212e; }
.app-head { display: flex; justify-content: space-between; align-items: center; padding: 1px 2px 14px; }
.mini-brand { display: flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 800; }
.mini-brand img { border-radius: 10px; }
.mini-brand small { display: block; margin-top: 3px; color: #89939c; font-size: 7px; letter-spacing: .08em; }
.live-pill { display: flex; align-items: center; gap: 5px; padding: 6px 8px; border-radius: 12px; color: var(--coral); background: #fff0f2; font-size: 8px; font-weight: 900; }
.live-pill i { width: 5px; height: 5px; border-radius: 50%; background: var(--coral); animation: pulse 1.4s infinite; }
.match-card { padding: 14px 16px 17px; border-radius: 18px; color: #fff; background: linear-gradient(135deg, #0d9994, #06c5bd); box-shadow: 0 14px 30px rgba(8, 189, 183, .2); }
.league { display: flex; justify-content: space-between; font-size: 9px; opacity: .9; }
.league b { font-weight: 600; }
.teams { display: grid; grid-template-columns: 1fr 1.15fr 1fr; align-items: center; margin-top: 13px; text-align: center; }
.teams > div { display: grid; justify-items: center; }
.team-ball { width: 39px; height: 39px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: #fff; font-size: 12px; font-weight: 900; }
.team-ball.teal { background: #036b6a; border: 3px solid rgba(255,255,255,.45); }
.team-ball.coral { background: var(--coral); border: 3px solid rgba(255,255,255,.45); }
.teams p { margin: 6px 0 0; font-size: 9px; }
.teams strong { display: block; font-size: 28px; letter-spacing: .1em; }
.teams strong em { font-style: normal; opacity: .55; }
.teams strong small { display: block; margin-top: 5px; font-size: 8px; font-weight: 400; letter-spacing: 0; opacity: .72; }
.stats-title { display: flex; align-items: center; justify-content: space-between; padding: 17px 3px 10px; }
.stats-title span { font-size: 12px; font-weight: 800; }
.stats-title small { color: #99a2aa; font-size: 8px; }
.chart-card { padding: 13px; border: 1px solid #e9efef; border-radius: 17px; background: #fff; }
.chart-top { display: flex; justify-content: space-between; align-items: center; font-size: 10px; font-weight: 750; }
.chart-top div { display: flex; align-items: center; gap: 5px; color: #8a949d; font-size: 7px; font-weight: 500; }
.chart-top i { width: 5px; height: 5px; border-radius: 50%; background: var(--brand); }
.chart-top i:nth-child(2) { margin-left: 5px; background: var(--coral); }
.trend-chart { width: 100%; height: 108px; margin-top: 8px; }
.chart-labels { display: flex; justify-content: space-between; color: #a0a8af; font-size: 7px; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; }
.metric-grid div { padding: 10px; border-radius: 12px; text-align: center; background: #fff; }
.metric-grid span { display: block; color: var(--brand-dark); font-size: 15px; font-weight: 900; }
.metric-grid small { color: #909aa3; font-size: 8px; }
.float-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px; padding: 13px 17px; border: 1px solid rgba(226, 237, 237, .9); border-radius: 15px; background: rgba(255,255,255,.93); box-shadow: 0 18px 45px rgba(28, 60, 69, .13); backdrop-filter: blur(10px); animation: float 4s ease-in-out infinite; }
.float-card svg { width: 24px; height: 24px; color: var(--brand); }
.float-card span { font-size: 11px; font-weight: 800; }
.float-card small { display: block; margin-bottom: 3px; color: #8b969e; font-size: 8px; font-weight: 500; }
.float-score { top: 120px; left: -28px; }
.float-report { right: -27px; bottom: 105px; animation-delay: -2s; }

.data-strip { position: relative; z-index: 3; padding: 26px 0; border-top: 1px solid #eaf0f0; border-bottom: 1px solid #eaf0f0; background: #fff; }
.strip-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.strip-grid > div { position: relative; text-align: center; }
.strip-grid > div:not(:last-child)::after { content: ""; position: absolute; top: 9px; right: 0; width: 1px; height: 38px; background: var(--line); }
.strip-grid strong { font-size: 25px; letter-spacing: -.03em; }
.strip-grid strong span { margin-left: 2px; color: var(--brand); font-size: 14px; }
.strip-grid p { margin: 4px 0 0; color: var(--muted); font-size: 11px; }
.section { padding: 105px 0; }
.section-heading { max-width: 650px; margin: 0 auto 50px; text-align: center; }
.section-heading h2, .security-copy h2, .service-wrap h2 { margin: 15px 0 13px; font-size: clamp(30px, 4vw, 43px); line-height: 1.25; letter-spacing: -.035em; }
.section-heading > p, .security-copy > p, .service-wrap > div > p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.8; }

.features { background: var(--white); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { position: relative; min-height: 245px; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.feature-card:hover { border-color: #cceeea; box-shadow: 0 20px 50px rgba(31, 74, 80, .1); transform: translateY(-6px); }
.feature-card.featured { grid-column: span 2; display: grid; grid-template-columns: auto 1fr 1.1fr; gap: 22px; align-items: center; background: linear-gradient(135deg, #f7fffe, #effaf8); }
.feature-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 16px; color: var(--brand-dark); background: #ddf8f5; }
.feature-icon.coral { color: #e65265; background: #ffedf0; }
.feature-icon.blue { color: #477ed2; background: #eef4ff; }
.feature-icon.amber { color: #cf8b25; background: #fff5dd; }
.feature-icon svg { width: 27px; height: 27px; }
.card-index { position: absolute; top: 28px; right: 28px; color: #e0e6e7; font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.feature-card h3 { margin: 22px 0 9px; font-size: 20px; }
.feature-card.featured h3 { margin-top: 0; }
.feature-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.mini-live-chart { height: 105px; display: flex; align-items: flex-end; gap: 8px; padding: 10px 12px; border-left: 1px solid #dcecea; border-bottom: 1px solid #dcecea; }
.mini-live-chart i { flex: 1; border-radius: 5px 5px 0 0; background: linear-gradient(#0ac9c1, #70e2dc); }
.mini-live-chart i:nth-child(1) { height: 32%; }.mini-live-chart i:nth-child(2) { height: 50%; }.mini-live-chart i:nth-child(3) { height: 42%; }.mini-live-chart i:nth-child(4) { height: 74%; }.mini-live-chart i:nth-child(5) { height: 62%; }.mini-live-chart i:nth-child(6) { height: 90%; }.mini-live-chart i:nth-child(7) { height: 80%; }

.security { background: var(--surface); }
.security-grid { display: grid; grid-template-columns: 1fr .85fr; align-items: center; gap: 100px; }
.security-copy > p { max-width: 570px; }
.security-list { display: grid; gap: 19px; margin-top: 35px; }
.security-list > div { display: flex; align-items: center; gap: 16px; }
.security-list > div > span { flex: 0 0 auto; width: 45px; height: 45px; display: grid; place-items: center; border: 1px solid #d9ecea; border-radius: 13px; color: var(--brand-dark); background: #fff; }
.security-list svg { width: 22px; height: 22px; }
.security-list p { margin: 0; }
.security-list strong { display: block; margin-bottom: 4px; font-size: 14px; }
.security-list small { color: var(--muted); font-size: 12px; line-height: 1.6; }
.security-panel { position: relative; padding: 55px 38px 38px; overflow: hidden; border: 1px solid #dcebea; border-radius: 28px; text-align: center; background: #fff; box-shadow: 0 28px 75px rgba(34, 74, 80, .1); }
.security-panel::before { content: ""; position: absolute; top: -120px; left: 50%; width: 360px; height: 250px; border-radius: 50%; background: rgba(8, 189, 183, .09); transform: translateX(-50%); }
.shield-mark { position: relative; width: 105px; height: 105px; display: grid; place-items: center; margin: 0 auto 27px; border-radius: 50%; color: var(--brand-dark); background: var(--brand-soft); }
.shield-mark svg { width: 54px; height: 54px; }
.shield-mark i { position: absolute; inset: -10px; border: 1px solid rgba(8,189,183,.2); border-radius: 50%; }
.shield-mark i:last-child { inset: -22px; border-style: dashed; }
.security-panel h3 { margin: 0 0 9px; font-size: 21px; }
.security-panel > p { margin: 0; color: var(--muted); font-size: 13px; }
.safe-tags { display: flex; justify-content: center; gap: 9px; margin-top: 27px; }
.safe-tags span { padding: 7px 10px; border-radius: 8px; color: var(--brand-dark); background: #f0fbf9; font-size: 10px; font-weight: 750; }

.install { background: #fff; }
.steps-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 55px; }
.steps-grid::before { content: ""; position: absolute; top: 53px; left: 17%; right: 17%; border-top: 1px dashed #bcdedb; }
.steps-grid article { position: relative; padding: 4px 25px 0; text-align: center; }
.steps-grid article > span { position: absolute; top: 0; right: 18px; color: #edf1f2; font-size: 42px; font-weight: 900; line-height: 1; }
.step-icon { position: relative; z-index: 1; width: 105px; height: 105px; display: grid; place-items: center; margin: 0 auto 25px; border: 10px solid #fff; border-radius: 50%; color: var(--brand-dark); background: var(--brand-soft); box-shadow: 0 0 0 1px #d8eeeb; }
.step-icon svg { width: 35px; height: 35px; }
.steps-grid h3 { margin: 0 0 10px; font-size: 17px; }
.steps-grid p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }

.download-section { padding: 30px 0 100px; }
.download-panel { position: relative; min-height: 320px; display: flex; align-items: center; justify-content: space-between; gap: 55px; padding: 55px 75px; overflow: hidden; border-radius: 30px; color: #fff; background: linear-gradient(125deg, #087f7c, #08bdb7 62%, #13cfc7); box-shadow: 0 28px 65px rgba(8, 143, 139, .22); }
.download-panel::before, .download-panel::after { content: ""; position: absolute; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; }
.download-panel::before { width: 380px; height: 380px; right: -120px; top: -190px; }
.download-panel::after { width: 260px; height: 260px; left: 42%; bottom: -220px; }
.download-copy { position: relative; z-index: 1; }
.download-label { display: inline-block; padding: 6px 10px; border: 1px solid rgba(255,255,255,.25); border-radius: 7px; background: rgba(255,255,255,.1); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.download-copy h2 { max-width: 610px; margin: 15px 0 11px; font-size: clamp(29px, 4vw, 42px); line-height: 1.28; letter-spacing: -.035em; }
.download-copy p { margin: 0; color: rgba(255,255,255,.78); font-size: 14px; }
.compact-actions { display: flex; gap: 10px; margin-top: 26px; }
.compact-actions a { display: flex; align-items: center; gap: 8px; padding: 12px 17px; border-radius: 11px; color: var(--ink); background: #fff; font-size: 12px; font-weight: 800; transition: transform .2s ease; }
.compact-actions a:hover { transform: translateY(-3px); }
.compact-actions svg { width: 19px; height: 19px; fill: currentColor; }
.qr-card { position: relative; z-index: 1; flex: 0 0 auto; padding: 12px 12px 10px; border-radius: 18px; color: var(--ink); text-align: center; background: #fff; box-shadow: 0 18px 40px rgba(4, 79, 77, .2); transform: rotate(2deg); }
.qr-card img { width: 155px; height: 158px; object-fit: cover; border-radius: 8px; }
.qr-card span { display: block; padding-top: 7px; font-size: 10px; font-weight: 800; }

.service-section { padding: 90px 0; background: var(--surface); }
.service-wrap { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px; }
.wechat-list { display: grid; gap: 12px; }
.wechat-card { width: 100%; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; padding: 15px 16px; border: 1px solid var(--line); border-radius: 16px; color: var(--ink); text-align: left; background: #fff; cursor: pointer; transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.wechat-card:hover { border-color: #c6eae7; box-shadow: 0 12px 28px rgba(36, 79, 83, .08); transform: translateX(4px); }
.wechat-card > svg { width: 38px; height: 38px; padding: 8px; border-radius: 11px; fill: #19b77b; background: #eafaf3; }
.wechat-card span small { display: block; margin-bottom: 3px; color: var(--muted); font-size: 10px; }
.wechat-card span strong { font-size: 17px; letter-spacing: .03em; }
.wechat-card b { display: flex; align-items: center; gap: 5px; padding: 7px 10px; border-radius: 8px; color: var(--brand-dark); background: var(--brand-soft); font-size: 10px; }
.wechat-card b svg { width: 14px; height: 14px; }

.site-footer { padding: 48px 0 22px; color: #b5bec7; background: #131d28; }
.footer-main { display: flex; align-items: center; justify-content: space-between; padding-bottom: 35px; }
.footer-brand .brand { color: #fff; }
.footer-brand p { margin: 10px 0 0; font-size: 11px; }
.footer-links { display: flex; gap: 30px; font-size: 11px; }
.footer-links a:hover { color: var(--brand); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); font-size: 10px; }
.footer-bottom p { margin: 0; }

.floating-service { position: fixed; z-index: 45; right: 24px; bottom: 25px; width: 58px; height: 58px; display: grid; place-items: center; border: 0; border-radius: 18px; color: #fff; background: #19b77b; box-shadow: 0 15px 30px rgba(25, 183, 123, .28); cursor: pointer; transition: transform .2s ease; }
.floating-service:hover { transform: translateY(-4px); }
.floating-service svg { width: 25px; height: 25px; fill: currentColor; }
.floating-service span { position: absolute; top: -8px; right: -7px; padding: 3px 5px; border-radius: 5px; color: #fff; background: var(--coral); font-size: 8px; font-weight: 800; }
.modal { position: fixed; z-index: 100; inset: 0; display: grid; place-items: center; padding: 20px; visibility: hidden; opacity: 0; transition: opacity .2s ease, visibility .2s ease; }
.modal.active { visibility: visible; opacity: 1; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(12, 24, 32, .64); backdrop-filter: blur(6px); }
.modal-card { position: relative; width: min(390px, 100%); padding: 30px; border-radius: 25px; text-align: center; background: #fff; box-shadow: var(--shadow); transform: translateY(14px) scale(.98); transition: transform .22s ease; }
.modal.active .modal-card { transform: none; }
.modal-close { position: absolute; top: 14px; right: 16px; width: 32px; height: 32px; border: 0; border-radius: 50%; color: #77828c; background: #f1f4f4; font-size: 22px; line-height: 1; cursor: pointer; }
.modal-card > img { margin: 0 auto 12px; border-radius: 16px; box-shadow: 0 8px 18px rgba(8,189,183,.15); }
.modal-card h2 { margin: 0 0 8px; font-size: 22px; }
.modal-card > p { margin: 0; color: var(--muted); font-size: 12px; }
.modal-qr { width: 220px; margin: 19px auto 16px; padding: 13px; border: 1px solid var(--line); border-radius: 17px; }
.modal-qr img { width: 100%; border-radius: 8px; }
.modal-card > a { display: inline-flex; align-items: center; gap: 5px; color: var(--brand-dark); font-size: 11px; font-weight: 800; }
.modal-card > a svg { width: 15px; height: 15px; }
.toast { position: fixed; z-index: 120; left: 50%; bottom: 35px; padding: 11px 18px; border-radius: 10px; color: #fff; background: rgba(19, 29, 40, .94); font-size: 12px; transform: translate(-50%, 20px); visibility: hidden; opacity: 0; transition: .22s ease; }
.toast.show { visibility: visible; opacity: 1; transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }
@keyframes pulse { 50% { opacity: .35; transform: scale(.75); } }
@keyframes float { 50% { transform: translateY(-9px); } }

@media (max-width: 980px) {
  .main-nav { display: none; }
  .hero { min-height: auto; padding-top: 125px; }
  .hero-grid { grid-template-columns: 1fr; gap: 55px; text-align: center; }
  .hero-copy .eyebrow, .hero-actions, .trust-row { justify-content: center; }
  .hero-desc { margin-inline: auto; }
  .hero-visual { min-height: 590px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card.featured { grid-column: span 2; }
  .security-grid { gap: 45px; }
  .download-panel { padding-inline: 55px; }
}

@media (max-width: 700px) {
  .container { width: min(100% - 28px, 560px); }
  .site-header { height: 64px; }
  .site-header.scrolled { height: 60px; }
  .brand { gap: 8px; font-size: 16px; }
  .brand img { width: 38px; height: 38px; border-radius: 11px; }
  .nav-download { padding: 9px 14px; border-radius: 9px; font-size: 12px; }
  .hero { padding: 105px 0 48px; }
  .hero-grid { gap: 34px; }
  .hero h1 { margin: 15px 0 14px; font-size: 40px; line-height: 1.16; }
  .hero-desc { font-size: 14px; line-height: 1.75; }
  .hero-actions { margin-top: 23px; gap: 9px; }
  .download-button { flex: 1 1 145px; min-width: 0; height: 54px; padding: 8px 12px; justify-content: center; border-radius: 12px; }
  .download-button svg { width: 22px; height: 22px; }
  .download-button span { font-size: 12px; text-align: left; }
  .download-button small { font-size: 8px; }
  .qr-trigger { width: 100%; padding: 6px; }
  .trust-row { gap: 14px; margin-top: 14px; font-size: 10px; }
  .hero-visual { min-height: 475px; transform: scale(.82); margin: -45px 0 -48px; }
  .hero-visual::before { width: 400px; height: 400px; }
  .phone-shell { width: 330px; min-height: 548px; }
  .float-score { left: -20px; }
  .float-report { right: -22px; }
  .data-strip { padding: 20px 0; }
  .strip-grid { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
  .strip-grid > div:nth-child(2)::after { display: none; }
  .strip-grid strong { font-size: 21px; }
  .strip-grid p { font-size: 10px; }
  .section { padding: 72px 0; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2, .security-copy h2, .service-wrap h2 { margin-top: 11px; font-size: 29px; }
  .section-heading > p, .security-copy > p, .service-wrap > div > p { font-size: 13px; }
  .feature-grid { grid-template-columns: 1fr; gap: 12px; }
  .feature-card, .feature-card.featured { grid-column: auto; min-height: auto; display: block; padding: 23px; }
  .feature-card.featured { padding-bottom: 18px; }
  .feature-card h3, .feature-card.featured h3 { margin: 15px 0 7px; font-size: 18px; }
  .mini-live-chart { height: 75px; margin-top: 18px; }
  .security-grid, .service-wrap { grid-template-columns: 1fr; gap: 38px; }
  .security-list { margin-top: 25px; }
  .security-panel { padding: 45px 22px 28px; }
  .steps-grid { grid-template-columns: 1fr; gap: 28px; }
  .steps-grid::before { display: none; }
  .steps-grid article { display: grid; grid-template-columns: 76px 1fr; column-gap: 17px; padding: 0; text-align: left; }
  .step-icon { grid-row: span 2; width: 76px; height: 76px; margin: 0; border-width: 7px; }
  .step-icon svg { width: 27px; height: 27px; }
  .steps-grid article > span { top: 2px; right: 2px; font-size: 34px; }
  .steps-grid h3 { align-self: end; margin-bottom: 4px; }
  .download-section { padding: 0 0 70px; }
  .download-panel { min-height: 0; display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 31px 25px; border-radius: 23px; }
  .download-copy h2 { font-size: 25px; }
  .download-copy p { font-size: 12px; }
  .compact-actions { flex-direction: column; margin-top: 18px; }
  .compact-actions a { justify-content: center; }
  .qr-card { padding: 8px; }
  .qr-card img { width: 105px; height: 108px; }
  .service-section { padding: 70px 0; }
  .wechat-card { padding: 13px; }
  .footer-main { align-items: flex-start; gap: 28px; }
  .footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 22px; }
  .footer-bottom { gap: 12px; flex-direction: column; }
  .floating-service { right: 15px; bottom: 16px; width: 52px; height: 52px; border-radius: 16px; }
}

@media (max-width: 430px) {
  .hero h1 { font-size: 35px; }
  .eyebrow { font-size: 11px; }
  .hero-visual { transform: scale(.72); margin: -70px -35px -77px; }
  .download-panel { grid-template-columns: 1fr; text-align: center; }
  .download-label { margin-inline: auto; }
  .qr-card { width: 130px; margin: 0 auto; }
  .compact-actions { flex-direction: row; }
  .compact-actions a { flex: 1; padding-inline: 8px; }
  .footer-main { flex-direction: column; }
  .footer-links { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}