:root {
  --ink: #101114;
  --muted: #62666f;
  --blue: #1269ff;
  --blue-deep: #0b46c8;
  --sky: #dff5ff;
  --soft: #f4f5f7;
  --line: #e8e9ed;
  --radius: 34px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
main { overflow: hidden; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  height: 76px;
  margin: 14px auto 0;
  padding: 0 14px 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 20;
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(231,233,238,.9);
  border-radius: 26px;
  box-shadow: 0 12px 34px rgba(22,36,60,.07);
  backdrop-filter: blur(22px);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 760; letter-spacing: -.02em; }
.brand-mark {
  width: 43px; height: 43px; border-radius: 15px; display: block; object-fit: cover;
  box-shadow: inset 0 1px 1px rgba(255,255,255,.18), 0 8px 20px rgba(24,18,10,.2);
}
nav { display: flex; gap: 34px; font-size: 14px; color: #4b4e55; }
nav a, .footer-links a { transition: color .2s ease; }
nav a:hover, .footer-links a:hover { color: var(--blue); }
.header-cta { background: var(--ink); color: white; padding: 13px 21px; border-radius: 16px; font-size: 14px; font-weight: 650; }

.hero {
  width: min(1180px, calc(100% - 40px));
  min-height: 690px;
  margin: 28px auto 0;
  padding: 58px 62px;
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, #f4f9ff 0%, #e8f5ff 50%, #e5e6ff 100%);
  border-radius: 48px;
}
.hero-copy { position: relative; z-index: 3; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.status-dot { width: 8px; height: 8px; display: inline-block; border-radius: 50%; background: #24c874; box-shadow: 0 0 0 5px rgba(36,200,116,.12); }
h1 { margin: 26px 0 24px; font-size: clamp(52px, 5.4vw, 79px); line-height: .99; letter-spacing: -.065em; font-weight: 780; }
h1 span { color: var(--blue); }
.hero-copy > p { max-width: 530px; color: #555b66; font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.button { min-height: 54px; padding: 0 23px; border-radius: 18px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; font-size: 15px; font-weight: 700; transition: transform .2s, box-shadow .2s; }
.button:hover, .download-card a:hover { transform: translateY(-2px); }
.primary { color: white; background: var(--blue); box-shadow: 0 12px 25px rgba(18,105,255,.22); }
.secondary { background: rgba(255,255,255,.75); border: 1px solid rgba(255,255,255,.9); }
.hero-points { display: flex; gap: 22px; margin: 30px 0 0; padding: 0; list-style: none; font-size: 13px; color: #626873; }
.hero-points li { display: flex; align-items: center; gap: 7px; }
.check { width: 19px; height: 19px; display: inline-grid; place-items: center; border-radius: 50%; color: var(--blue); background: white; font-weight: 800; font-size: 11px; }

.hero-visual { height: 570px; position: relative; display: grid; place-items: center; }
.phone-shell {
  width: 287px; height: 566px; padding: 24px 18px; position: relative; z-index: 4; border: 8px solid #111318; border-radius: 50px;
  background: #f7f8fa; box-shadow: 0 38px 60px rgba(32,45,77,.25), inset 0 0 0 1px rgba(255,255,255,.4); transform: rotate(3deg);
}
.phone-top { display: flex; justify-content: space-between; padding: 2px 6px 25px; font-size: 10px; font-weight: 700; }
.app-title { display: flex; align-items: center; gap: 8px; font-weight: 750; }
.mini-mark { width: 30px; height: 30px; display: block; object-fit: cover; border-radius: 10px; box-shadow: 0 5px 12px rgba(20,15,9,.18); }
.connection-card { margin-top: 25px; padding: 22px 18px; background: white; border-radius: 27px; box-shadow: 0 12px 34px rgba(26,39,69,.08); text-align: center; }
.connection-label { font-size: 10px; color: #8a8e98; }
.connection-card strong { display: block; margin: 7px 0 19px; font-size: 23px; }
.connect-button { width: 124px; height: 124px; margin: auto; padding: 10px; border-radius: 50%; background: #e9f2ff; display: grid; place-items: center; box-shadow: 0 0 0 1px #cfe3ff; }
.connect-button span { width: 93px; height: 93px; display: grid; place-items: center; border-radius: 50%; background: linear-gradient(145deg, #318aff, #0756e6); color: white; font-size: 12px; font-weight: 700; box-shadow: 0 14px 30px rgba(18,105,255,.28); }
.connection-card small { display: flex; justify-content: center; align-items: center; gap: 9px; margin-top: 19px; color: #777c85; }
.connection-card small .status-dot { width: 6px; height: 6px; box-shadow: none; }
.mini-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
.mini-panels div { background: white; border-radius: 19px; padding: 15px; display: flex; flex-direction: column; gap: 7px; }
.mini-panels span { color: #969aa2; font-size: 9px; }.mini-panels strong { font-size: 13px; }
.phone-app-dock { position: absolute; left: 18px; right: 18px; bottom: 12px; padding: 8px 7px 6px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; border-radius: 18px; background: rgba(19,24,37,.92); box-shadow: 0 10px 24px rgba(20,27,46,.16); }
.dock-app { min-width: 0; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.dock-app > small { width: 100%; color: rgba(255,255,255,.72); font-size: 5px; line-height: 1; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dock-icon { width: 25px; height: 25px; display: grid; place-items: center; border-radius: 8px; background: rgba(255,255,255,.08); }
.dock-icon img { width: 14px; height: 14px; display: block; }
.dock-icon.binance { background: #2b2512; }.dock-icon.okx { background: #17191f; }.dock-icon.chatgpt { color: white; background: #10a37f; font-size: 16px; }.dock-icon.gemini { background: #efeaff; }.dock-icon.youtube { background: #fff; }.dock-icon.x { background: #050505; }
.orb { position: absolute; border-radius: 50%; filter: blur(1px); }
.orb-one { width: 360px; height: 360px; background: linear-gradient(145deg, rgba(95,177,255,.8), rgba(141,113,255,.78)); right: 14px; top: 70px; }
.orb-two { width: 170px; height: 170px; background: rgba(255,255,255,.75); left: 40px; bottom: 35px; }
.floating-card { position: absolute; z-index: 7; background: rgba(255,255,255,.9); border: 1px solid rgba(255,255,255,.95); box-shadow: 0 18px 38px rgba(30,45,75,.16); backdrop-filter: blur(15px); }
.speed-card { left: 6px; top: 113px; padding: 18px 21px; border-radius: 21px; transform: rotate(-4deg); }
.floating-card span, .floating-card small { display: block; color: #888e99; font-size: 10px; }.floating-card strong { display: block; margin-top: 6px; font-size: 16px; }
.safe-card { right: -20px; bottom: 92px; width: 142px; padding: 17px; border-radius: 23px; transform: rotate(4deg); }
.safe-card .shield { float: left; width: 31px; height: 31px; margin-right: 10px; display: grid; place-items: center; color: white; background: #2ecb7e; border-radius: 11px; }
.safe-card strong { font-size: 12px; }.safe-card small { margin-top: 3px; }

.trust-strip { width: min(1080px, calc(100% - 40px)); margin: 34px auto 0; padding: 24px 4px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; color: #83868e; font-size: 13px; }
.trust-strip div { display: flex; gap: 42px; color: #2f3238; letter-spacing: -.02em; }

.section { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 120px 0; }
.section-heading { max-width: 750px; margin-bottom: 50px; }
.section-heading h2, .guide-intro h2, .faq-title h2, .final-cta h2 { margin: 20px 0; font-size: clamp(42px, 5vw, 66px); line-height: 1.06; letter-spacing: -.055em; }
.section-heading p, .guide-intro p { max-width: 590px; color: var(--muted); line-height: 1.8; font-size: 16px; }
.eyebrow.blue { color: var(--blue); }.eyebrow.light { color: #c9e1ff; }
.feature-grid { display: grid; grid-template-columns: 1.4fr .9fr; grid-template-rows: 1fr 1fr; gap: 18px; }
.feature-card { min-height: 305px; padding: 38px; display: flex; flex-direction: column; justify-content: space-between; border-radius: var(--radius); overflow: hidden; position: relative; }
.feature-large { grid-row: 1 / 3; min-height: 630px; }
.cyan-card { background: #c9f2ff; }.violet-card { background: #e8e0ff; }.dark-card { background: #181b22; color: white; }
.card-kicker { font-size: 12px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; opacity: .65; }
.feature-card h3 { margin: 15px 0 13px; font-size: 30px; line-height: 1.14; letter-spacing: -.04em; }.feature-large h3 { font-size: 47px; }
.feature-card p { margin: 0; max-width: 440px; line-height: 1.7; color: rgba(22,25,31,.63); }.dark-card p { color: rgba(255,255,255,.62); }
.feature-symbol { width: 61px; height: 61px; display: grid; place-items: center; border-radius: 21px; background: rgba(255,255,255,.55); font-size: 31px; }.dark-card .feature-symbol { background: #2a2e38; color: #87aaff; }
.pulse-visual { width: 410px; height: 310px; position: absolute; bottom: -25px; right: -30px; display: grid; place-items: center; }
.pulse-visual span { position: absolute; width: 200px; height: 200px; border: 1px solid rgba(18,105,255,.25); border-radius: 50%; }.pulse-visual span:nth-child(2) { width: 305px; height: 305px; }
.pulse-visual button { width: 130px; height: 130px; border: 0; border-radius: 50%; background: var(--blue); color: white; font-weight: 750; box-shadow: 0 20px 42px rgba(18,105,255,.27); }

.downloads-section { padding-top: 80px; }.centered { margin-left: auto; margin-right: auto; text-align: center; }.centered p { margin-left: auto; margin-right: auto; }
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.download-card { min-height: 390px; padding: 32px; border-radius: var(--radius); display: flex; flex-direction: column; justify-content: space-between; transition: transform .25s ease; }
.download-card:hover { transform: translateY(-5px); }.ios-card { background: #17191f; color: white; }.windows-card { background: #e5efff; }.android-card { background: #dff6e8; }
.platform-icon { width: 67px; height: 67px; border-radius: 23px; display: grid; place-items: center; background: rgba(255,255,255,.12); font-size: 31px; }.windows-icon { background: rgba(255,255,255,.65); color: var(--blue); }
.android-card .platform-icon { background: rgba(255,255,255,.6); color: #1ca45e; }
.available { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; opacity: .6; font-weight: 700; }
.download-card h3 { margin: 8px 0; font-size: 36px; letter-spacing: -.04em; }.download-card p { margin: 0; opacity: .65; }
.download-card a { min-height: 52px; padding: 0 18px; border-radius: 17px; display: flex; align-items: center; justify-content: space-between; background: rgba(255,255,255,.78); color: #121318; font-size: 14px; font-weight: 700; transition: transform .2s; }
.download-actions { display: grid; gap: 9px; }
.ios-card a { background: white; }.ios-card a.text-download { color: white; background: rgba(255,255,255,.11); border: 1px solid rgba(255,255,255,.16); }
.download-note { max-width: 760px; margin: 24px auto 0; color: #858992; text-align: center; font-size: 12px; line-height: 1.7; }

.outline-section { padding-top: 40px; padding-bottom: 70px; }
.outline-panel { padding: 70px; display: grid; grid-template-columns: 1fr 1.08fr; gap: 84px; color: white; background: linear-gradient(145deg, #081a46 0%, #0c58db 52%, #6758e8 100%); border-radius: 46px; position: relative; overflow: hidden; }
.outline-panel::after { content: ""; position: absolute; width: 380px; height: 380px; right: -170px; top: -190px; border-radius: 50%; background: rgba(105,225,255,.28); filter: blur(4px); }
.outline-intro, .outline-steps { position: relative; z-index: 2; }
.outline-intro h2 { margin: 20px 0; font-size: clamp(39px, 4.5vw, 58px); line-height: 1.08; letter-spacing: -.05em; }
.outline-intro > p { color: rgba(255,255,255,.72); line-height: 1.8; }
.outline-actions { display: flex; gap: 10px; margin-top: 29px; }
.glass-button { color: white; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18); }
.outline-steps { list-style: none; padding: 0; margin: 0; }
.outline-steps li { display: grid; grid-template-columns: 50px 1fr; gap: 17px; padding: 25px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.outline-steps li:last-child { border-bottom: 0; }
.outline-steps li > span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 15px; background: rgba(255,255,255,.14); font-size: 13px; font-weight: 750; }
.outline-steps h3 { margin: 0 0 8px; font-size: 19px; }
.outline-steps p { margin: 0; color: rgba(255,255,255,.68); line-height: 1.65; font-size: 14px; }

.guide-section { padding-top: 40px; }.guide-panel { padding: 70px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; color: white; background: linear-gradient(145deg, #084cda, #0b79ff); border-radius: 46px; }
.guide-intro p { color: rgba(255,255,255,.68); }.steps { margin: 0; padding: 0; list-style: none; }
.steps li { padding: 27px 0; display: grid; grid-template-columns: 52px 1fr; gap: 17px; border-bottom: 1px solid rgba(255,255,255,.17); }.steps li:last-child { border: 0; }
.steps li > span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 15px; background: rgba(255,255,255,.15); font-size: 11px; font-weight: 750; }
.steps h3 { margin: 0 0 8px; font-size: 20px; }.steps p { margin: 0; color: rgba(255,255,255,.68); line-height: 1.6; font-size: 14px; }

.article-section { padding-bottom: 90px; }.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }.article-grid article { padding: 34px; min-height: 360px; background: var(--soft); border-radius: 30px; }
.article-number { color: var(--blue); font-weight: 750; font-size: 12px; }.article-grid h3 { margin: 45px 0 18px; font-size: 24px; line-height: 1.25; letter-spacing: -.03em; }.article-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }

.android-seo-section { padding-top: 70px; }
.android-topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.android-topic-grid article { min-height: 330px; padding: 33px; border: 1px solid #e7ebf2; border-radius: 30px; background: linear-gradient(145deg, #fbfcff, #f1f6ff); }
.android-topic-grid article:nth-child(2), .android-topic-grid article:nth-child(5) { background: linear-gradient(145deg, #f4f0ff, #ebe6ff); }
.android-topic-grid article:nth-child(3), .android-topic-grid article:nth-child(6) { background: linear-gradient(145deg, #effcf5, #e3f7ec); }
.android-topic-grid article > span { color: var(--blue); font-size: 11px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.android-topic-grid h3 { margin: 38px 0 16px; font-size: 23px; line-height: 1.28; letter-spacing: -.035em; }
.android-topic-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }

.faq-section { padding-top: 80px; display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; }.faq-title h2 { font-size: 53px; }.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }.faq-list summary { padding: 27px 0; display: flex; justify-content: space-between; align-items: center; list-style: none; cursor: pointer; font-size: 18px; font-weight: 680; }.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { font-size: 25px; font-weight: 300; color: var(--blue); transition: transform .2s; }details[open] summary span { transform: rotate(45deg); }.faq-list p { margin: -7px 50px 26px 0; color: var(--muted); line-height: 1.75; }

.final-cta { width: min(1180px, calc(100% - 40px)); margin: 30px auto 0; padding: 68px 72px; border-radius: 44px; display: flex; align-items: end; justify-content: space-between; color: white; background: #11141b; position: relative; overflow: hidden; }
.final-cta::after { content: ""; width: 400px; height: 400px; position: absolute; right: 150px; top: -220px; border-radius: 50%; background: #1269ff; filter: blur(5px); opacity: .55; }.final-cta > * { position: relative; z-index: 2; }.final-cta h2 { margin-bottom: 0; }.white-button { background: white; color: #11141b; }
footer { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 70px 0 35px; display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: start; }.footer-brand p { max-width: 360px; color: var(--muted); line-height: 1.7; font-size: 13px; }.footer-links { display: flex; gap: 32px; font-size: 13px; }.copyright { grid-column: 1 / -1; padding-top: 25px; border-top: 1px solid var(--line); color: #9699a0; font-size: 12px; }

.not-found-page { min-height: 100vh; padding: 32px; display: grid; place-items: center; position: relative; overflow: hidden; background: linear-gradient(145deg, #f3f8ff, #ecebff); }
.not-found-orb { width: 520px; height: 520px; position: absolute; right: -150px; top: -190px; border-radius: 50%; background: linear-gradient(145deg, rgba(18,105,255,.36), rgba(120,104,255,.32)); filter: blur(8px); }
.not-found-card { width: min(700px, 100%); padding: 60px; position: relative; z-index: 2; border: 1px solid rgba(255,255,255,.86); border-radius: 42px; background: rgba(255,255,255,.78); box-shadow: 0 28px 70px rgba(30,47,82,.12); backdrop-filter: blur(24px); }
.error-code { display: block; margin-top: 55px; color: var(--blue); font-size: 14px; font-weight: 800; letter-spacing: .15em; }
.not-found-card h1 { margin: 15px 0 18px; font-size: clamp(44px, 7vw, 72px); line-height: 1; letter-spacing: -.06em; }
.not-found-card > p { max-width: 490px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.not-found-actions { display: flex; gap: 11px; margin-top: 32px; }

@media (max-width: 920px) {
  nav { display: none; }.hero { grid-template-columns: 1fr; padding: 55px 38px 25px; }.hero-copy { text-align: center; }.hero-copy > p { margin-left: auto; margin-right: auto; }.hero-actions, .hero-points { justify-content: center; }.hero-visual { margin-top: 25px; }
  .feature-grid { grid-template-columns: 1fr; grid-template-rows: auto; }.feature-large { grid-row: auto; }.download-grid, .article-grid { grid-template-columns: 1fr; }.download-card { min-height: 330px; }.guide-panel { grid-template-columns: 1fr; gap: 30px; }.faq-section { grid-template-columns: 1fr; gap: 30px; }.android-topic-grid { grid-template-columns: 1fr 1fr; }
  .outline-panel { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 620px) {
  .site-header { width: calc(100% - 24px); height: 66px; margin-top: 8px; }.site-header .brand > span:last-child { font-size: 14px; }.header-cta { padding: 11px 15px; }.brand-mark { width: 37px; height: 37px; border-radius: 12px; }
  .hero, .section, .final-cta, footer { width: calc(100% - 24px); }.hero { min-height: auto; margin-top: 12px; padding: 42px 20px 10px; border-radius: 35px; }h1 { font-size: 48px; }.hero-copy > p { font-size: 16px; }.hero-actions { flex-direction: column; }.hero-points { gap: 10px; flex-wrap: wrap; }.hero-visual { height: 510px; transform: scale(.86); margin: -15px -30px -20px; }.phone-shell { height: 540px; }.speed-card { left: 0; }.safe-card { right: 0; }
  .trust-strip { width: calc(100% - 35px); flex-direction: column; gap: 22px; }.trust-strip div { justify-content: space-between; gap: 10px; }.section { padding: 86px 0; }.section-heading h2, .guide-intro h2, .final-cta h2 { font-size: 43px; }.feature-card { padding: 29px; }.feature-large { min-height: 550px; }.feature-large h3 { font-size: 39px; }.pulse-visual { right: -90px; }.guide-panel { padding: 38px 27px; border-radius: 34px; }.article-grid article { min-height: auto; }.article-grid h3 { margin-top: 30px; }.faq-title h2 { font-size: 43px; }.final-cta { padding: 45px 28px; flex-direction: column; align-items: flex-start; gap: 34px; }.final-cta .button { width: 100%; }.final-cta::after { right: -200px; }.footer-links { flex-wrap: wrap; gap: 18px 25px; }footer { grid-template-columns: 1fr; }.copyright { grid-column: auto; }
  .outline-panel { padding: 40px 27px; border-radius: 34px; }.outline-intro h2 { font-size: 40px; }.outline-actions { flex-direction: column; }.outline-actions .button { width: 100%; }
  .android-topic-grid { grid-template-columns: 1fr; }.android-topic-grid article { min-height: auto; }.not-found-page { padding: 12px; }.not-found-card { padding: 40px 25px; border-radius: 32px; }.not-found-actions { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }* { transition: none !important; } }