/*
  主题与设计变量：优先修改这里完成品牌换肤
*/
:root {
  --primary: #4d89ff;
  --primary-strong: #2f6ff5;
  --primary-deep: #174fca;
  --cyan: #63d8ff;
  --ink: #131827;
  --muted: #687083;
  --line: #e4eaf4;
  --soft: #f5f8ff;
  --white: #ffffff;
  --page-bg: #ffffff;
  --success: #18a66a;
  --warning: #f59f36;
  --danger: #e14d62;
  --shadow-sm: 0 12px 32px rgba(42, 72, 127, .10);
  --shadow-md: 0 22px 60px rgba(42, 72, 127, .16);
  --shadow-lg: 0 36px 90px rgba(31, 66, 132, .22);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 34px;
  --container: 1180px;
  --font: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: var(--page-bg); font-family: var(--font); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body.modal-open { overflow: hidden; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
p { line-height: 1.8; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.section { position: relative; padding: 112px 0; overflow: hidden; }
.section-soft { background: linear-gradient(180deg, #f7faff 0%, #f2f7ff 100%); }
.centered { text-align: center; margin-inline: auto; }
.skip-link { position: fixed; left: 18px; top: -60px; z-index: 9999; background: #111; color: #fff; padding: 10px 14px; border-radius: 8px; transition: top .2s; }
.skip-link:focus { top: 18px; }
.fatal-error, .noscript { padding: 14px 20px; background: #fff0f2; color: #a12c3e; text-align: center; }

.site-header { position: fixed; z-index: 1000; inset: 0 0 auto; border-bottom: 1px solid transparent; transition: .25s ease; }
.site-header.scrolled { background: rgba(255,255,255,.88); backdrop-filter: blur(18px); border-color: rgba(219,228,244,.9); box-shadow: 0 10px 30px rgba(41,62,105,.07); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand img { width: 42px; height: 42px; filter: drop-shadow(0 8px 14px rgba(63,129,255,.25)); }
.brand span { display: flex; flex-direction: column; line-height: 1.1; }
.brand strong { font-size: 18px; letter-spacing: -.02em; }
.brand small { margin-top: 5px; color: var(--muted); font-size: 11px; }
.desktop-nav { display: flex; align-items: center; gap: 30px; }
.desktop-nav a { position: relative; color: #424a5c; font-size: 14px; font-weight: 700; }
.desktop-nav a::after { content: ""; position: absolute; left: 50%; bottom: -9px; width: 0; height: 2px; background: var(--primary); border-radius: 99px; transition: .2s; transform: translateX(-50%); }
.desktop-nav a:hover::after { width: 18px; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-button { display: none; width: 42px; height: 42px; border: 0; background: transparent; padding: 9px; }
.menu-button span { display: block; height: 2px; background: var(--ink); margin: 5px 0; transition: .2s; }
.menu-button.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-button.open span:nth-child(2) { opacity: 0; }
.menu-button.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { display: none; }

.btn { border: 0; border-radius: 14px; min-height: 48px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; font-weight: 800; transition: transform .2s, box-shadow .2s, background .2s; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-strong)); box-shadow: 0 12px 28px rgba(64,125,248,.28); }
.btn-primary:hover { box-shadow: 0 16px 34px rgba(64,125,248,.34); }
.btn-secondary { color: #31517d; background: rgba(255,255,255,.86); border: 1px solid #dce6f6; box-shadow: var(--shadow-sm); }
.btn-ghost { color: #4d5669; background: transparent; }
.btn-white { color: var(--primary-deep); background: #fff; box-shadow: 0 18px 38px rgba(19,73,177,.24); }
.btn-small { min-height: 40px; padding: 0 17px; border-radius: 12px; font-size: 13px; }
.btn-large { min-height: 56px; padding-inline: 25px; }
.btn img { width: 20px; height: 20px; }

.hero { min-height: 820px; padding: 142px 0 88px; background: linear-gradient(135deg, #f9fbff 0%, #eef6ff 48%, #f9fcff 100%); isolation: isolate; }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 150px; background: linear-gradient(180deg, transparent, rgba(255,255,255,.9)); z-index: -1; }
.hero-grid { position: absolute; z-index: -2; inset: auto -4% -10% auto; width: 58%; opacity: .58; }
.hero-orb { position: absolute; z-index: -2; border-radius: 50%; filter: blur(1px); }
.orb-one { width: 430px; height: 430px; right: -110px; top: 90px; background: radial-gradient(circle at 35% 35%, rgba(102,222,255,.52), rgba(74,135,255,.12) 60%, transparent 72%); }
.orb-two { width: 250px; height: 250px; left: -80px; top: 330px; background: radial-gradient(circle, rgba(255,207,139,.25), transparent 68%); }
.hero-layout { display: grid; grid-template-columns: 1.04fr .96fr; gap: 72px; align-items: center; }
.hero-copy { max-width: 650px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--primary-deep); font-size: 13px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow-dot { width: 26px; height: 26px; border-radius: 9px; background: linear-gradient(135deg, rgba(77,137,255,.18), rgba(99,216,255,.28)); position: relative; }
.eyebrow-dot::after { content: ""; position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--primary); inset: 50% auto auto 50%; transform: translate(-50%,-50%); box-shadow: 0 0 0 4px rgba(77,137,255,.14); }
.hero h1 { margin: 23px 0 22px; font-size: clamp(48px, 5.2vw, 76px); line-height: 1.06; letter-spacing: -.055em; }
.hero h1 span { color: var(--ink); }
.hero h1 em { white-space: nowrap; font-style: normal; background: linear-gradient(115deg, var(--primary-strong), #55bfff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-description { margin: 0; color: #5f687b; font-size: 18px; max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 14px 24px; margin-top: 20px; color: #727b8c; font-size: 12px; }
.hero-meta > span { display: inline-flex; align-items: center; gap: 7px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #24c279; box-shadow: 0 0 0 5px rgba(36,194,121,.12); }
.trust-row { display: flex; flex-wrap: wrap; gap: 15px 22px; margin-top: 34px; padding-top: 28px; border-top: 1px solid #dfe7f3; }
.trust-row span { display: inline-flex; align-items: center; gap: 7px; color: #4f586b; font-size: 13px; font-weight: 700; }
.trust-row img { width: 17px; height: 17px; }

.hero-visual { position: relative; min-height: 620px; display: grid; place-items: center; }
.phone-shell { position: relative; width: 360px; padding: 12px; border-radius: 49px; background: linear-gradient(145deg, #0d1017, #2b3140 48%, #080a0f); box-shadow: 0 45px 100px rgba(30,61,118,.32), inset 0 0 0 2px rgba(255,255,255,.14); }
.phone-shell::before { content: ""; position: absolute; z-index: 5; left: 50%; top: 11px; width: 126px; height: 29px; border-radius: 0 0 18px 18px; background: #080a0e; transform: translateX(-50%); }
.phone-screen { min-height: 690px; border-radius: 39px; overflow: hidden; background: linear-gradient(180deg, #f7fbff, #fff 36%); position: relative; padding: 18px 18px 22px; }
.phone-buttons::before, .phone-buttons::after { content: ""; position: absolute; width: 3px; border-radius: 8px; background: #252b36; }
.phone-buttons::before { left: -3px; top: 140px; height: 72px; }
.phone-buttons::after { right: -3px; top: 184px; height: 92px; }
.phone-statusbar { height: 32px; display: flex; align-items: center; justify-content: space-between; padding: 0 8px; font-size: 11px; font-weight: 800; color: #151924; }
.status-icons { font-size: 8px; letter-spacing: 2px; }
.app-head { height: 58px; display: flex; align-items: center; justify-content: space-between; }
.mini-brand { display: flex; align-items: center; gap: 8px; font-weight: 850; }
.mini-brand img { width: 30px; height: 30px; }
.icon-button { width: 31px; height: 31px; border-radius: 11px; border: 1px solid #e2e8f2; background: #fff; font-weight: 900; color: #7b8494; }
.app-hero-card { min-height: 155px; display: flex; align-items: center; justify-content: space-between; gap: 14px; border-radius: 24px; padding: 20px; color: #fff; background: linear-gradient(135deg, #4d8cff, #63cfff); box-shadow: 0 18px 40px rgba(67,136,255,.28); overflow: hidden; position: relative; }
.app-hero-card::before { content: ""; position: absolute; width: 140px; height: 140px; border-radius: 50%; right: -40px; top: -65px; border: 24px solid rgba(255,255,255,.12); }
.micro-label { font-size: 10px; opacity: .82; }
.app-hero-card h2 { font-size: 20px; line-height: 1.35; margin: 8px 0 5px; }
.app-hero-card p { font-size: 10px; line-height: 1.5; margin: 0; opacity: .82; }
.app-hero-card img { position: relative; z-index: 1; width: 82px; }
.login-demo { margin-top: 17px; padding: 17px; background: #fff; border: 1px solid #e5ebf5; border-radius: 22px; box-shadow: 0 18px 38px rgba(48,76,126,.11); }
.login-demo label { display: block; font-size: 13px; font-weight: 850; margin-bottom: 10px; }
.input-wrap { display: flex; align-items: center; gap: 4px; height: 48px; padding: 0 7px 0 13px; background: #f7f9fd; border: 1px solid #dce3ef; border-radius: 14px; transition: .2s; }
.input-wrap:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(77,137,255,.12); background: #fff; }
.input-wrap input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 12px; }
.input-wrap input::placeholder { color: #a6adbb; }
.scan-button { border: 0; background: transparent; color: var(--primary-strong); display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 800; padding: 8px; }
.scan-button img { width: 17px; }
.field-help { margin: 9px 0 12px; color: #929aaa; font-size: 10px; line-height: 1.5; }
.launch-button { width: 100%; height: 48px; border: 0; border-radius: 14px; color: #fff; background: linear-gradient(90deg, #4789ff, #36b4f4); display: flex; align-items: center; justify-content: center; gap: 8px; font-weight: 850; box-shadow: 0 11px 25px rgba(60,139,250,.28); }
.launch-button img { width: 22px; }
.demo-message { display: none; margin-top: 10px; padding: 9px 10px; border-radius: 10px; font-size: 10px; line-height: 1.5; }
.demo-message.visible { display: block; }
.demo-message.error { color: #a9384a; background: #fff0f3; }
.demo-message.success { color: #11784f; background: #ebfbf4; }
.order-card { margin-top: 14px; padding: 15px 17px; border-radius: 18px; background: linear-gradient(180deg, #fff, #f8fbff); border: 1px solid #e6edf7; }
.order-card-head, .order-line { display: flex; align-items: center; justify-content: space-between; }
.order-card-head { font-size: 12px; font-weight: 850; margin-bottom: 10px; }
.status-pill { padding: 4px 8px; border-radius: 999px; color: #7d8797; background: #eef1f6; font-size: 9px; }
.status-pill.success { color: #0c7d51; background: #dff8ec; }
.order-line { padding: 7px 0; color: #7c8494; font-size: 10px; }
.order-line strong { color: #3d4657; }
.float-chip { position: absolute; z-index: 10; display: flex; align-items: center; gap: 10px; padding: 12px 15px; border-radius: 16px; background: rgba(255,255,255,.88); backdrop-filter: blur(14px); border: 1px solid rgba(255,255,255,.9); box-shadow: var(--shadow-md); animation: float 4.5s ease-in-out infinite; }
.float-chip img { width: 26px; height: 26px; }
.float-chip span { display: flex; flex-direction: column; }
.float-chip strong { font-size: 12px; }
.float-chip small { margin-top: 3px; color: #7d8594; font-size: 9px; }
.chip-security { left: -18px; top: 135px; }
.chip-speed { right: -36px; bottom: 160px; animation-delay: -2s; }
.visual-shadow { position: absolute; z-index: -1; width: 460px; height: 110px; bottom: 5px; border-radius: 50%; background: rgba(46,100,198,.18); filter: blur(30px); }
@keyframes float { 0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)} }

.stats-strip { position: relative; margin-top: -18px; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid #e6edf7; background: rgba(255,255,255,.92); box-shadow: var(--shadow-md); border-radius: 24px; overflow: hidden; }
.stat-item { min-height: 118px; display: flex; flex-direction: column; justify-content: center; align-items: center; position: relative; }
.stat-item:not(:last-child)::after { content: ""; position: absolute; right: 0; width: 1px; height: 50px; background: #e7edf6; }
.stat-item strong { font-size: 26px; letter-spacing: -.04em; }
.stat-item span { margin-top: 8px; color: var(--muted); font-size: 12px; }

.section-heading { max-width: 760px; margin-bottom: 52px; }
.section-heading.centered { margin-bottom: 58px; }
.section-heading h2, .split-copy h2, .security-copy h2, .faq-intro h2 { margin: 18px 0 16px; font-size: clamp(34px, 4vw, 50px); line-height: 1.18; letter-spacing: -.045em; }
.section-heading p, .split-copy > p, .security-copy > p, .faq-intro > p { color: var(--muted); font-size: 16px; margin: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.feature-card { position: relative; min-height: 250px; padding: 27px; border-radius: 24px; background: rgba(255,255,255,.88); border: 1px solid #e5ebf5; box-shadow: 0 13px 35px rgba(58,81,127,.08); overflow: hidden; transition: .25s ease; }
.feature-card::after { content: ""; position: absolute; inset: auto -45px -60px auto; width: 130px; height: 130px; border-radius: 50%; background: linear-gradient(135deg, rgba(87,153,255,.16), rgba(106,225,255,.08)); }
.feature-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-md); border-color: #d5e2f7; }
.feature-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 17px; background: linear-gradient(145deg, #eaf2ff, #f5fbff); border: 1px solid #dbe8fb; }
.feature-icon img { width: 28px; height: 28px; }
.feature-card h3 { margin: 22px 0 10px; font-size: 19px; }
.feature-card p { margin: 0; color: #70788a; font-size: 13px; }
.feature-index { position: absolute; right: 21px; top: 20px; color: #d7e4f9; font-size: 23px; font-weight: 900; }

.split-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.split-copy { max-width: 560px; }
.step-list { margin-top: 34px; display: grid; gap: 14px; }
.step-item { display: grid; grid-template-columns: 58px 1fr; gap: 18px; align-items: start; padding: 18px 20px; border: 1px solid #e5ebf4; border-radius: 18px; transition: .2s; }
.step-item:hover { border-color: #cdddf7; background: #f8fbff; transform: translateX(5px); }
.step-item > span { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 15px; background: linear-gradient(135deg, #e7f0ff, #eefcff); color: var(--primary-deep); font-weight: 900; }
.step-item h3 { margin: 2px 0 5px; font-size: 17px; }
.step-item p { margin: 0; color: var(--muted); font-size: 13px; }
.text-link { margin-top: 24px; padding: 0; border: 0; background: transparent; color: var(--primary-strong); font-weight: 850; }
.text-link span { display: inline-block; transition: .2s; }
.text-link:hover span { transform: translateX(5px); }
.steps-visual { min-height: 690px; display: grid; place-items: center; position: relative; }
.steps-phone { width: 355px; transform: rotate(2deg); z-index: 2; }
.steps-phone .phone-screen { min-height: 660px; background: #fbfdff; }
.detail-head { display: flex; align-items: center; justify-content: space-between; padding: 15px 5px 12px; font-size: 20px; font-weight: 900; }
.detail-head button { border: 0; background: transparent; font-size: 22px; }
.detail-alert { margin: 5px 0 14px; padding: 10px 12px; border-radius: 11px; color: #bb4b4b; background: #fff1f0; font-size: 10px; }
.detail-card { padding: 16px; border: 1px solid #e3eaf4; border-radius: 20px; background: #fff; box-shadow: var(--shadow-sm); }
.detail-card > div { display: flex; justify-content: space-between; gap: 15px; padding: 11px 0; font-size: 11px; border-bottom: 1px dashed #edf1f6; }
.detail-card > div:last-child { border: 0; }
.detail-card span { color: #737c8e; }
.detail-card strong { text-align: right; }
.detail-card .highlight { color: var(--primary-strong); }
.detail-card .success { color: var(--success); }
.detail-launch { width: 100%; height: 50px; margin-top: 17px; border: 0; border-radius: 15px; color: #fff; background: linear-gradient(90deg, #4d8cff, #4bbbf5); display: flex; justify-content: center; align-items: center; gap: 8px; font-weight: 850; box-shadow: 0 13px 30px rgba(69,139,248,.28); }
.detail-launch img { width: 22px; }
.mini-guide { margin-top: 20px; padding: 15px; border-radius: 16px; background: #eff6ff; }
.mini-guide strong { font-size: 12px; }
.mini-guide p { margin: 5px 0 0; color: #6b7a91; font-size: 10px; }
.steps-ring { position: absolute; border-radius: 50%; border: 1px solid rgba(77,137,255,.18); }
.ring-a { width: 570px; height: 570px; background: radial-gradient(circle, rgba(73,142,255,.12), transparent 65%); }
.ring-b { width: 420px; height: 420px; border-width: 28px; opacity: .55; }

.section-blue { color: #fff; background: radial-gradient(circle at 10% 20%, rgba(107,221,255,.22), transparent 35%), linear-gradient(135deg, #1f5fd4, #3f85f5 55%, #4eaee9); }
.section-blue::after { content: ""; position: absolute; right: -190px; top: -170px; width: 540px; height: 540px; border-radius: 50%; border: 70px solid rgba(255,255,255,.06); }
.section-heading.light p { color: rgba(255,255,255,.75); }
.eyebrow.light { color: #fff; }
.eyebrow.light .eyebrow-dot { background: rgba(255,255,255,.16); }
.eyebrow.light .eyebrow-dot::after { background: #fff; box-shadow: 0 0 0 4px rgba(255,255,255,.16); }
.preview-tabs { width: max-content; max-width: 100%; margin: 0 auto 28px; padding: 5px; display: flex; gap: 4px; border-radius: 15px; background: rgba(11,57,140,.24); border: 1px solid rgba(255,255,255,.13); overflow-x: auto; }
.preview-tabs button { min-width: 120px; min-height: 44px; padding: 0 18px; border: 0; border-radius: 11px; background: transparent; color: rgba(255,255,255,.72); font-weight: 850; }
.preview-tabs button.active { color: #1d55bd; background: #fff; box-shadow: 0 8px 20px rgba(16,58,142,.22); }
.preview-stage { position: relative; display: grid; grid-template-columns: .84fr 1.16fr; min-height: 520px; border-radius: 32px; overflow: hidden; background: rgba(255,255,255,.98); box-shadow: 0 35px 80px rgba(13,55,131,.30); color: var(--ink); }
.preview-copy { padding: 65px 48px; display: flex; flex-direction: column; justify-content: center; background: linear-gradient(145deg, #fff, #f4f8ff); }
.preview-copy > span { color: var(--primary-strong); font-size: 12px; font-weight: 900; letter-spacing: .1em; }
.preview-copy h3 { margin: 13px 0 15px; font-size: 32px; letter-spacing: -.035em; }
.preview-copy p { margin: 0; color: var(--muted); font-size: 14px; }
.preview-copy ul { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.preview-copy li { display: flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 700; }
.preview-copy li img { width: 18px; }
.preview-ui { padding: 40px; display: grid; place-items: center; background: radial-gradient(circle at 70% 20%, rgba(96,216,255,.25), transparent 32%), linear-gradient(135deg, #dceaff, #eef7ff); }
.mini-app { width: min(100%, 410px); padding: 22px; border-radius: 28px; background: #fff; box-shadow: 0 25px 65px rgba(43,83,154,.22); }
.mini-app-top { display: flex; align-items: center; gap: 9px; }
.mini-app-top img { width: 31px; height: 31px; }
.mini-app-top strong { flex: 1; font-size: 15px; }
.mini-app-top span { color: #9aa3b3; font-size: 11px; }
.mini-banner { margin-top: 19px; min-height: 126px; padding: 20px; border-radius: 21px; display: flex; align-items: center; justify-content: space-between; background: linear-gradient(135deg, #4b87ff, #66d0ff); color: #fff; overflow: hidden; }
.mini-banner > div { display: flex; flex-direction: column; }
.mini-banner small { opacity: .8; }
.mini-banner strong { margin: 8px 0 5px; font-size: 18px; }
.mini-banner span { font-size: 10px; opacity: .76; }
.mini-banner img { width: 87px; }
.mini-label { display: block; margin: 20px 0 9px; font-size: 12px; font-weight: 850; }
.mini-input { height: 49px; display: flex; align-items: center; padding-left: 13px; border: 1px solid #dce4f0; border-radius: 13px; background: #f7f9fd; color: #a2a9b7; font-size: 12px; }
.mini-input span { flex: 1; }
.mini-input button { align-self: stretch; border: 0; background: transparent; color: var(--primary-strong); display: flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 800; }
.mini-input img { width: 17px; }
.mini-primary { width: 100%; min-height: 47px; margin-top: 13px; border: 0; border-radius: 13px; background: linear-gradient(90deg, #4789ff, #3bbaf3); color: #fff; display: flex; align-items: center; justify-content: center; gap: 7px; font-weight: 850; }
.mini-primary img { width: 21px; }
.notice-card { margin-top: 15px; padding: 13px 14px; border-radius: 13px; background: #eef6ff; }
.notice-card.warning { background: #fff6e8; }
.notice-card strong { font-size: 11px; }
.notice-card p { margin: 3px 0 0; color: #718096; font-size: 10px; }
.mini-progress { height: 6px; margin: 17px 0 22px; border-radius: 99px; background: #edf1f7; overflow: hidden; }
.mini-progress.large { margin: 23px 0; height: 8px; }
.mini-progress i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #4f8cff, #62d7ff); }
.verify-badge { display: flex; align-items: center; gap: 14px; padding: 17px; border-radius: 16px; background: #eef6ff; }
.verify-badge img { width: 38px; }
.verify-badge div { display: flex; flex-direction: column; }
.verify-badge strong { font-size: 14px; }
.verify-badge span { margin-top: 4px; color: #738198; font-size: 10px; }
.verify-list { margin-top: 17px; border: 1px solid #e4eaf4; border-radius: 15px; overflow: hidden; }
.verify-list div { display: flex; justify-content: space-between; padding: 14px; font-size: 11px; border-bottom: 1px solid #edf1f6; }
.verify-list div:last-child { border: 0; }
.verify-list strong { color: #8a94a5; }
.verify-list .done strong { color: var(--success); }
.launch-scene { min-height: 220px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.launch-rings { width: 118px; height: 118px; border-radius: 50%; display: grid; place-items: center; background: #eef6ff; box-shadow: 0 0 0 14px #f5f9ff, 0 0 0 28px #f9fbff; }
.launch-rings img { width: 73px; }
.launch-scene strong { margin-top: 31px; font-size: 16px; }
.launch-scene > span { margin-top: 5px; color: #8b95a6; font-size: 11px; }
.launch-status { display: grid; gap: 12px; }
.launch-status span { display: flex; align-items: center; gap: 9px; color: #798395; font-size: 11px; }
.launch-status i { width: 10px; height: 10px; border-radius: 50%; background: #d9dee7; }
.launch-status .done-dot { background: var(--success); }
.launch-status .active-dot { background: var(--primary); box-shadow: 0 0 0 5px rgba(77,137,255,.14); }

.game-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.game-card { position: relative; min-height: 290px; padding: 26px; color: #fff; border-radius: 26px; overflow: hidden; box-shadow: var(--shadow-md); transition: .25s; isolation: isolate; }
.game-card:hover { transform: translateY(-8px) rotate(-1deg); }
.gradient-violet { background: linear-gradient(145deg, #7858f7, #4a6be8); }
.gradient-blue { background: linear-gradient(145deg, #2788e8, #36b4df); }
.gradient-orange { background: linear-gradient(145deg, #f09840, #f25f52); }
.gradient-cyan { background: linear-gradient(145deg, #19a6bb, #3f7df0); }
.game-icon { width: 70px; height: 70px; display: grid; place-items: center; border-radius: 22px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.22); backdrop-filter: blur(10px); }
.game-icon img { width: 38px; filter: brightness(0) invert(1); }
.game-card > span { display: block; margin-top: 42px; opacity: .72; font-size: 12px; }
.game-card h3 { margin: 6px 0 4px; font-size: 23px; }
.game-card small { opacity: .84; }
.game-orbit { position: absolute; z-index: -1; width: 210px; height: 210px; border-radius: 50%; border: 38px solid rgba(255,255,255,.08); right: -75px; bottom: -85px; }

.security-section { background: linear-gradient(180deg, #fff, #f7faff); }
.security-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 90px; align-items: center; }
.security-visual { min-height: 570px; position: relative; display: grid; place-items: center; }
.security-illustration { width: 480px; }
.security-card { position: absolute; display: flex; align-items: center; gap: 12px; padding: 14px 16px; background: rgba(255,255,255,.9); backdrop-filter: blur(14px); border: 1px solid #e5ebf5; border-radius: 16px; box-shadow: var(--shadow-md); }
.security-card span { width: 31px; height: 31px; border-radius: 10px; display: grid; place-items: center; background: #edf4ff; color: var(--primary-strong); font-size: 10px; font-weight: 900; }
.security-card strong { font-size: 12px; }
.security-card.card-a { left: 20px; top: 95px; }
.security-card.card-b { right: 5px; top: 190px; }
.security-card.card-c { left: 65px; bottom: 80px; }
.check-list { margin: 30px 0 0; padding: 0; list-style: none; display: grid; gap: 15px; }
.check-list li { display: flex; align-items: center; gap: 11px; font-size: 14px; font-weight: 720; }
.check-list img { width: 21px; }
.security-note { margin-top: 28px; padding: 16px; display: flex; align-items: flex-start; gap: 10px; border-radius: 15px; background: #fff7e8; color: #8a641d; font-size: 12px; line-height: 1.65; }
.security-note img { width: 20px; margin-top: 1px; }

.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; align-items: start; }
.faq-intro { position: sticky; top: 125px; }
.faq-intro .btn { margin-top: 28px; }
.accordion { display: grid; gap: 13px; }
.faq-item { border: 1px solid #e1e8f3; border-radius: 18px; background: #fff; overflow: hidden; }
.faq-item > button { width: 100%; min-height: 70px; padding: 18px 21px; border: 0; background: transparent; display: flex; align-items: center; justify-content: space-between; gap: 20px; text-align: left; font-weight: 850; }
.faq-item > button i { width: 28px; height: 28px; border-radius: 9px; background: #edf4ff; color: var(--primary-strong); display: grid; place-items: center; font-style: normal; font-size: 20px; transition: .2s; }
.faq-item.open > button i { transform: rotate(45deg); }
.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .25s ease; }
.faq-answer p { overflow: hidden; margin: 0; padding: 0 21px; color: var(--muted); font-size: 13px; }
.faq-item.open .faq-answer { grid-template-rows: 1fr; }
.faq-item.open .faq-answer p { padding-bottom: 20px; }

.final-cta { padding-top: 80px; }
.cta-panel { position: relative; min-height: 270px; padding: 54px 58px; display: flex; align-items: center; justify-content: space-between; gap: 40px; border-radius: 34px; color: #fff; background: linear-gradient(135deg, #2a67da, #4f8cff 55%, #58c9f3); box-shadow: 0 30px 75px rgba(34,91,197,.28); overflow: hidden; }
.cta-panel::before { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; border: 46px solid rgba(255,255,255,.08); right: -70px; bottom: -150px; }
.cta-decor { position: absolute; width: 200px; right: 28%; top: -40px; opacity: .3; }
.cta-panel > div { position: relative; z-index: 1; }
.cta-kicker { font-size: 12px; font-weight: 850; letter-spacing: .1em; opacity: .82; }
.cta-panel h2 { margin: 12px 0 9px; font-size: clamp(30px, 4vw, 46px); }
.cta-panel p { max-width: 650px; margin: 0; color: rgba(255,255,255,.76); }
.cta-actions { display: flex; flex-direction: column; align-items: center; gap: 12px; min-width: 180px; }
.cta-actions > span { font-size: 11px; opacity: .7; }

.site-footer { padding: 35px 0 90px; background: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .6fr .55fr; gap: 70px; padding: 38px 0; border-bottom: 1px solid #e8edf5; }
.footer-brand p { max-width: 470px; color: var(--muted); font-size: 12px; }
.footer-links, .footer-meta { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; font-size: 12px; }
.footer-links strong, .footer-meta strong { margin-bottom: 5px; font-size: 13px; }
.footer-links a, .footer-meta span { color: var(--muted); }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 22px; color: #929aa8; font-size: 11px; }
.mobile-download-bar { display: none; }

.modal[hidden] { display: none; }
.modal { position: fixed; z-index: 3000; inset: 0; display: grid; place-items: center; padding: 20px; opacity: 0; transition: .18s; }
.modal.visible { opacity: 1; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(9,17,34,.58); backdrop-filter: blur(8px); }
.modal-card { position: relative; width: min(520px, 100%); max-height: min(760px, calc(100vh - 40px)); overflow: auto; padding: 34px; border-radius: 28px; background: #fff; box-shadow: 0 35px 90px rgba(0,0,0,.28); transform: translateY(14px) scale(.98); transition: .18s; }
.modal.visible .modal-card { transform: translateY(0) scale(1); }
.modal-close { position: absolute; right: 18px; top: 16px; width: 38px; height: 38px; border: 0; border-radius: 12px; background: #f2f5fa; color: #6f7786; font-size: 24px; }
.modal-icon { width: 70px; height: 70px; border-radius: 21px; padding: 9px; background: linear-gradient(145deg, #e9f2ff, #f7fbff); box-shadow: var(--shadow-sm); }
.modal-icon.secondary { display: grid; place-items: center; }
.modal-icon.secondary img { width: 36px; }
.modal-card h2 { margin: 20px 0 8px; font-size: 25px; }
.modal-card > p { margin: 0; color: var(--muted); font-size: 13px; }
.platform-switch { display: flex; gap: 5px; margin: 24px 0 18px; padding: 5px; background: #eff3f9; border-radius: 13px; }
.platform-switch button { flex: 1; min-height: 40px; border: 0; border-radius: 10px; background: transparent; color: #747d8f; font-weight: 850; }
.platform-switch button.active { background: #fff; color: var(--primary-strong); box-shadow: 0 5px 14px rgba(43,73,126,.11); }
.download-panel { display: none; grid-template-columns: 146px 1fr; gap: 22px; align-items: center; }
.download-panel.active { display: grid; }
.qr-image { width: 146px; border: 1px solid #e2e8f2; border-radius: 16px; }
.download-info { display: flex; flex-direction: column; align-items: flex-start; }
.download-info strong { font-size: 16px; }
.download-info span { margin: 7px 0 16px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.modal-tip { margin-top: 22px; padding: 13px; display: flex; gap: 9px; border-radius: 13px; background: #fff7e9; color: #8a641c; font-size: 11px; line-height: 1.55; }
.modal-tip img { width: 19px; height: 19px; }

.lang-switch { display: inline-flex; gap: 3px; padding: 3px; border: 1px solid #dce6f6; border-radius: 11px; background: rgba(255,255,255,.84); }
.lang-switch button { min-width: 32px; height: 30px; padding: 0 7px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); font-size: 10px; font-weight: 900; }
.lang-switch button.on { color: #fff; background: var(--primary); }
.announce-bar { position: fixed; z-index: 1200; inset: 0 0 auto; min-height: 36px; padding: 8px 18px; color: #fff; background: var(--primary-deep); text-align: center; font-size: 12px; font-weight: 800; }
.announce-bar:not([hidden]) ~ .site-header { top: 36px; }
.preview-copy-panel, .preview-ui .mini-app { display: none; }
.preview-copy-panel.active, .preview-ui .mini-app.active { display: block; }
.preview-copy-panel > span { color: var(--primary-strong); font-size: 12px; font-weight: 900; letter-spacing: .1em; }
.preview-copy-panel h3 { margin: 13px 0 15px; font-size: 32px; letter-spacing: -.035em; }
.preview-copy-panel p { margin: 0; color: var(--muted); font-size: 14px; }
.preview-copy-panel ul { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.preview-copy-panel li { position: relative; padding-left: 26px; font-size: 13px; font-weight: 700; }
.preview-copy-panel li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 900; }
.download-busy { pointer-events: none; opacity: .78; }
.floating-contact { position: fixed; z-index: 850; right: 22px; bottom: 24px; min-height: 46px; padding: 0 19px; display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; color: #fff; background: var(--primary-deep); box-shadow: 0 14px 36px rgba(20,79,202,.28); font-size: 13px; font-weight: 900; }
.download-overlay { position: fixed; z-index: 2600; inset: 0; padding: 20px; display: grid; place-items: center; background: rgba(9,17,34,.56); backdrop-filter: blur(7px); }
.overlay-card { position: relative; width: min(390px,100%); padding: 30px 24px; border-radius: 24px; background: #fff; box-shadow: 0 30px 80px rgba(0,0,0,.25); text-align: center; }
.overlay-card > button:first-child { position: absolute; right: 14px; top: 12px; width: 36px; height: 36px; border: 0; border-radius: 11px; background: #f0f4fa; color: #596275; font-size: 22px; }
.overlay-card > img { width: 52px; height: 52px; margin: 0 auto 14px; }
.overlay-card h3 { margin: 0 0 9px; font-size: 22px; }
.overlay-card p { margin: 0 0 18px; color: var(--muted); font-size: 13px; }
.state-mask { position: fixed; z-index: 4000; inset: 0; padding: 24px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg,#244b9d,#3c8dff); text-align: center; }
.state-mask > div { width: min(520px,100%); padding: 38px; border: 1px solid rgba(255,255,255,.25); border-radius: 28px; background: rgba(255,255,255,.13); backdrop-filter: blur(12px); }
.state-mask h2 { margin: 0 0 10px; font-size: 30px; }
.state-mask p { margin: 0; color: rgba(255,255,255,.88); }
.footer-bottom { flex-wrap: wrap; gap: 10px 24px; }
.guide-modal { width: min(590px, 100%); }
.guide-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.guide-list li { display: grid; grid-template-columns: 40px 1fr; gap: 13px; padding: 13px; border: 1px solid #e5ebf4; border-radius: 14px; }
.guide-list li > span { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: #edf4ff; color: var(--primary-strong); font-weight: 900; }
.guide-list strong { font-size: 13px; }
.guide-list p { margin: 4px 0 0; color: var(--muted); font-size: 11px; }
.toast { position: fixed; z-index: 4000; left: 50%; bottom: 34px; max-width: min(460px, calc(100% - 30px)); padding: 13px 18px; border-radius: 14px; color: #fff; background: #202838; box-shadow: 0 20px 40px rgba(0,0,0,.22); font-size: 13px; transform: translate(-50%, 30px); opacity: 0; pointer-events: none; transition: .25s; }
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.toast.success { background: #117d54; }

.reveal { opacity: 1; transform: none; }
.reveal.visible { animation: reveal-in .7s ease var(--delay, 0ms) both; }
@keyframes reveal-in { from { opacity: 0; transform: translateY(25px); } to { opacity: 1; transform: none; } }

@media (max-width: 1050px) {
  .desktop-nav { display: none; }
  .menu-button { display: block; }
  .mobile-nav { position: fixed; top: 78px; right: 20px; width: 260px; padding: 15px; display: grid; gap: 6px; border: 1px solid #e1e8f3; border-radius: 18px; background: rgba(255,255,255,.96); box-shadow: var(--shadow-md); transform: translateY(-10px); opacity: 0; pointer-events: none; transition: .2s; }
  .mobile-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .mobile-nav a { padding: 12px 13px; border-radius: 10px; font-size: 13px; font-weight: 750; }
  .mobile-nav a:hover { background: #f1f6ff; }
  .hero-layout { grid-template-columns: 1fr 1fr; gap: 30px; }
  .feature-grid { grid-template-columns: repeat(2,1fr); }
  .game-grid { grid-template-columns: repeat(2,1fr); }
  .security-layout { gap: 40px; }
}

@media (max-width: 820px) {
  .section { padding: 84px 0; }
  .header-actions > .btn { display: none; }
  .hero { padding-top: 120px; }
  .hero-layout, .split-layout, .security-layout, .faq-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: 700px; text-align: center; margin-inline: auto; }
  .hero .eyebrow { justify-content: center; }
  .hero-actions, .hero-meta, .trust-row { justify-content: center; }
  .hero-visual { min-height: 680px; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .stat-item:nth-child(2)::after { display: none; }
  .stat-item:nth-child(-n+2) { border-bottom: 1px solid #e7edf6; }
  .split-copy { max-width: none; }
  .steps-visual { order: -1; min-height: 650px; }
  .preview-stage { grid-template-columns: 1fr; }
  .preview-copy { padding: 40px; }
  .security-copy { max-width: 680px; }
  .faq-intro { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .cta-panel { align-items: flex-start; flex-direction: column; }
  .cta-actions { align-items: flex-start; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 26px, var(--container)); }
  .section { padding: 70px 0; }
  .site-header { background: rgba(255,255,255,.82); backdrop-filter: blur(16px); }
  .header-inner { min-height: 68px; }
  .brand img { width: 38px; height: 38px; }
  .brand strong { font-size: 16px; }
  .brand small { display: none; }
  .mobile-nav { top: 70px; right: 13px; left: 13px; width: auto; }
  .hero { padding: 104px 0 60px; min-height: auto; }
  .hero h1 { font-size: 45px; }
  .hero h1 span, .hero h1 em { display: block; }
  .hero-description { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .hero-meta { gap: 10px 15px; }
  .trust-row { display: grid; grid-template-columns: 1fr; justify-items: start; max-width: 280px; margin-inline: auto; }
  .hero-visual { min-height: 590px; }
  .phone-shell { width: 300px; border-radius: 42px; }
  .phone-screen { min-height: 585px; border-radius: 33px; padding: 16px 14px 18px; }
  .app-hero-card { min-height: 128px; padding: 16px; }
  .app-hero-card h2 { font-size: 16px; }
  .app-hero-card img { width: 67px; }
  .chip-security { left: 0; top: 80px; }
  .chip-speed { right: -2px; bottom: 95px; }
  .float-chip { padding: 9px 11px; }
  .float-chip img { width: 22px; }
  .stats-strip { margin-top: 0; }
  .stats-grid { border-radius: 20px; }
  .stat-item { min-height: 96px; }
  .stat-item strong { font-size: 22px; }
  .section-heading h2, .split-copy h2, .security-copy h2, .faq-intro h2 { font-size: 34px; }
  .section-heading p, .split-copy > p, .security-copy > p, .faq-intro > p { font-size: 14px; }
  .feature-grid, .game-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .step-item { grid-template-columns: 50px 1fr; padding: 15px; }
  .steps-visual { min-height: 580px; }
  .steps-phone { width: 300px; }
  .steps-phone .phone-screen { min-height: 545px; }
  .ring-a { width: 390px; height: 390px; }
  .ring-b { width: 300px; height: 300px; }
  .preview-tabs { width: 100%; }
  .preview-tabs button { min-width: 105px; }
  .preview-copy { padding: 32px 25px; }
  .preview-ui { padding: 22px 13px 28px; }
  .mini-app { padding: 17px; }
  .game-card { min-height: 230px; }
  .security-visual { min-height: 430px; }
  .security-illustration { width: 330px; }
  .security-card { padding: 10px 12px; }
  .security-card.card-a { left: 0; top: 45px; }
  .security-card.card-b { right: 0; top: 145px; }
  .security-card.card-c { left: 20px; bottom: 36px; }
  .cta-panel { padding: 38px 24px; border-radius: 26px; }
  .cta-actions, .cta-actions .btn { width: 100%; align-items: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 8px; padding-bottom: 40px; }
  .site-footer { padding-bottom: 100px; }
  .mobile-download-bar { position: fixed; z-index: 900; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); min-height: 66px; padding: 8px 9px 8px 12px; display: flex; align-items: center; justify-content: space-between; border: 1px solid rgba(218,226,240,.9); border-radius: 18px; background: rgba(255,255,255,.93); backdrop-filter: blur(16px); box-shadow: 0 16px 40px rgba(35,62,109,.18); }
  .mobile-download-bar > div { display: flex; align-items: center; gap: 9px; }
  .mobile-download-bar img { width: 42px; height: 42px; border-radius: 13px; }
  .mobile-download-bar span { display: flex; flex-direction: column; }
  .mobile-download-bar strong { font-size: 13px; }
  .mobile-download-bar small { margin-top: 3px; color: var(--muted); font-size: 9px; }
  .download-panel.active { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .download-info { align-items: center; }
  .modal-card { padding: 27px 20px; border-radius: 23px; }
  .lang-switch { order: -1; }
  .header-actions > .lang-switch:not([hidden]) { display: none; }
  .floating-contact { right: 14px; bottom: 92px; }
  .preview-copy-panel h3 { font-size: 27px; }
}

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