:root {
  color-scheme: dark;
  --canvas: #07080a;
  --surface: #101113;
  --ink: #f4f4f6;
  --body: #a4a5ab;
  --muted: #777a82;
  --line: #24262b;
  --white: #fff;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-feature-settings: "calt", "kern", "liga", "ss03";
  background: var(--canvas);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 2px solid #9bd9ff; outline-offset: 6px; border-radius: 4px; }
img { display: block; max-width: 100%; }
p, h1, h2, h3, figure { margin: 0; }
::selection { background: #d5d9e4; color: #101113; }
.section-shell { width: min(1160px, calc(100% - 80px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.mobile-break { display: none; }
.skip-link { position: fixed; z-index: 100; inset: 12px auto auto 16px; padding: 12px 18px; background: var(--white); color: #000; transform: translateY(-150%); border-radius: 6px; }
.skip-link:focus { transform: translateY(0); }

.site-header { height: 84px; border-bottom: 1px solid rgba(255, 255, 255, .07); }
.header-inner { width: min(1280px, calc(100% - 80px)); margin-inline: auto; height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 650; letter-spacing: -.5px; white-space: nowrap; }
.brand img { flex-shrink: 0; object-fit: contain; }
.navigation { display: flex; align-items: center; gap: 30px; font-size: 13px; font-weight: 500; color: #abacb2; white-space: nowrap; }
.navigation > a { transition: color .18s ease, background .18s ease; }
.navigation > a:hover { color: var(--white); }
.navigation .nav-install { display: inline-flex; align-items: center; gap: 18px; padding: 10px 15px; border: 1px solid #34363b; border-radius: 7px; color: #efeff1; background: #141517; }
.navigation .nav-install:hover { background: #242529; }

.hero { padding-top: 73px; text-align: center; }
.eyebrow { display: flex; justify-content: center; align-items: center; gap: 9px; font-size: 12px; font-weight: 500; letter-spacing: 1.1px; line-height: 1.6; color: #a4a6ad; }
.eyebrow-line { width: 20px; height: 1px; background: #a7a9b0; }
.hero h1 { margin-top: 23px; font-size: clamp(56px, 5.5vw, 78px); line-height: 1.22; font-weight: 650; letter-spacing: -3.5px; }
.hero h1 > span { color: #b5b7c0; }
.hero-description { margin-top: 23px; color: #a9abb3; font-size: 16px; line-height: 1.9; }
.hero-action { margin-top: 30px; }
.install-button { min-height: 56px; padding: 16px 23px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; border-radius: 9px; background: var(--white); color: #131416; font-size: 15px; font-weight: 650; box-shadow: 0 0 0 1px rgba(255,255,255,.1), 0 8px 28px rgba(0,0,0,.18); transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.install-button:hover { background: #e8e9ee; transform: translateY(-2px); box-shadow: 0 5px 30px rgba(255,255,255,.09); }
.install-button:active { transform: translateY(0); }
.chrome-icon { flex-shrink: 0; }
.button-arrow { padding-left: 13px; font-size: 18px; font-weight: 400; }
.action-note { margin-top: 11px; color: #767983; font-size: 11px; }
.explore-link { display: inline-flex; align-items: center; gap: 14px; margin-top: 23px; color: #a4a6af; font-size: 12px; }
.explore-link:hover { color: #fff; }
.hero-product { margin-top: 53px; text-align: left; }
.product-frame { padding: 7px; background: #141518; border: 1px solid #303237; border-radius: 12px; box-shadow: 0 30px 100px #0008; overflow: hidden; }
.frame-bar { height: 34px; display: flex; justify-content: space-between; align-items: center; position: relative; color: #9a9ca6; font-size: 10px; padding: 0 13px 5px; }
.frame-dots { display: flex; gap: 5px; align-items: center; width: 80px; }
.frame-dots i { display: block; width: 6px; height: 6px; border-radius: 50%; background: #42444c; }
.frame-label { width: 80px; text-align: right; font-size: 8px; letter-spacing: 1px; }
.overview-image { width: 100%; height: auto; border-radius: 6px; }
.hero-product figcaption { display: flex; justify-content: space-between; gap: 20px; padding: 14px 4px 0; font-size: 10px; color: #777b84; line-height: 1.7; }

.features { padding-top: 128px; }
.section-heading { text-align: center; }
.section-heading h2 { margin-top: 17px; font-size: 42px; line-height: 1.4; font-weight: 600; letter-spacing: -1.6px; }
.section-heading > p:last-child { color: var(--body); font-size: 14px; line-height: 1.8; margin-top: 19px; }
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; }
.feature-organize { margin-top: 67px; }
.feature-visual { height: 610px; overflow: hidden; background: #111214; border: 1px solid #282a2f; border-radius: 10px; position: relative; }
.visual-topline { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 23px 24px; border-bottom: 1px solid #24262a; font-size: 9px; color: #747780; letter-spacing: .7px; }
.visual-label { font-size: 11px; letter-spacing: .4px; color: #b4b6bf; }
.lite-image-wrap { margin: 38px auto 0; width: 340px; border-radius: 11px; overflow: hidden; box-shadow: 0 20px 45px #0005; }
.lite-image-wrap img { width: 100%; height: auto; }
.feature-visual::after { content: ""; position: absolute; bottom: 0; inset-inline: 0; height: 90px; background: linear-gradient(transparent, #111214); pointer-events: none; }
.feature-copy { padding-block: 20px; }
.feature-kicker { font-size: 11px; letter-spacing: .8px; color: #a6a8b0; display: flex; align-items: center; gap: 10px; }
.feature-kicker > span { font-family: ui-monospace, Consolas, monospace; font-size: 10px; color: #777b86; padding: 3px 5px; border: 1px solid #33353b; border-radius: 3px; }
.feature h3 { margin-top: 23px; font-size: 38px; line-height: 1.45; letter-spacing: -1px; font-weight: 600; }
.feature-intro { margin-top: 22px; color: var(--body); font-size: 14px; line-height: 1.95; max-width: 410px; }
.feature-points { list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 24px; }
.feature-points li { display: flex; gap: 14px; align-items: flex-start; }
.point-icon { color: #c0c3cc; width: 20px; height: 24px; font-size: 21px; line-height: 21px; flex-shrink: 0; }
.feature-points strong { font-size: 12px; font-weight: 550; color: #dddee4; }
.feature-points p { margin-top: 7px; font-size: 12px; line-height: 1.8; color: #8a8e99; max-width: 345px; }
.feature-ai { margin-top: 100px; }
.ai-visual { height: 660px; }
.ai-image-wrap { margin: 35px auto 0; width: 306px; border-radius: 13px; overflow: hidden; box-shadow: 0 20px 45px #0005; }
.ai-image-wrap img { width: 100%; height: auto; }

.workflow { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 100px; margin-top: 128px; padding-block: 77px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.workflow-heading .eyebrow { justify-content: flex-start; }
.workflow h2 { margin-top: 21px; font-size: 32px; line-height: 1.5; font-weight: 600; letter-spacing: -.8px; }
.workflow-heading > p:last-child { color: var(--body); font-size: 13px; line-height: 1.9; margin-top: 22px; }
.workflow-steps { padding: 0; margin: 0; list-style: none; }
.workflow-steps li { display: flex; gap: 20px; padding-block: 25px; border-bottom: 1px solid #24262b; align-items: flex-start; }
.workflow-steps li:first-child { padding-top: 0; }
.workflow-steps li:last-child { border-bottom: 0; padding-bottom: 0; }
.step-number { color: #7f838f; font-family: ui-monospace, Consolas, monospace; font-size: 10px; line-height: 24px; }
.workflow-steps h3 { font-size: 15px; font-weight: 500; line-height: 24px; }
.workflow-steps p { font-size: 12px; color: #8b8f9a; line-height: 1.9; margin-top: 7px; }
.step-arrow { margin-left: auto; padding-left: 15px; color: #6f7380; font-size: 18px; }

.start { padding-block: 104px 111px; text-align: center; }
.start-inner { display: flex; flex-direction: column; align-items: center; }
.start-mark { margin-bottom: 25px; }
.start h2 { margin-top: 17px; font-size: 48px; line-height: 1.4; font-weight: 600; letter-spacing: -1.7px; }
.start-description { margin-top: 20px; font-size: 14px; line-height: 1.9; color: var(--body); }
.start .install-button { margin-top: 30px; }
.start-recharge { margin-top: 24px; color: #797d88; font-size: 12px; }
.start-recharge a { color: #c9cbd4; margin-left: 6px; }
.start-recharge a:hover { color: var(--white); }

.site-footer { display: grid; grid-template-columns: 1fr auto; align-items: start; padding-top: 38px; border-top: 1px solid var(--line); }
.footer-brand .brand { font-size: 14px; gap: 9px; }
.footer-brand > p { color: #7b7f8a; font-size: 11px; line-height: 1.7; margin-top: 14px; padding-left: 37px; }
.footer-links { display: flex; gap: 27px; padding-top: 10px; font-size: 11px; color: #9ea1ac; }
.footer-links a:hover, .footer-bottom a:hover { color: var(--white); }
.footer-links a > span[aria-hidden="true"] { color: #6e7380; padding-left: 3px; }
.footer-bottom { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 43px; padding-block: 22px; border-top: 1px solid #1b1d22; font-size: 10px; line-height: 1.7; color: #777b87; }
.footer-bottom > span { letter-spacing: .3px; }
.footer-bottom > p { margin-right: auto; }

@media (min-width: 1600px) { .hero { padding-top: 88px; } }
@media (max-width: 1050px) {
  .section-shell { width: calc(100% - 64px); }
  .header-inner { width: calc(100% - 64px); }
  .navigation { gap: 23px; }
  .feature, .workflow { gap: 56px; }
  .feature h3 { font-size: 34px; }
  .feature-visual { height: 555px; }
  .lite-image-wrap { width: 280px; }
  .ai-visual { height: 600px; }
  .ai-image-wrap { width: 260px; }
  .visual-topline { padding-inline: 18px; }
  .visual-topline > span:last-child { font-size: 8px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 24px; }
  .section-shell { width: calc(100% - 40px); }
  .site-header { height: 72px; }
  .header-inner { width: calc(100% - 40px); gap: 10px; }
  .brand { font-size: 14px; gap: 7px; letter-spacing: -.6px; }
  .brand img { width: 28px; height: 28px; }
  .navigation { gap: 18px; font-size: 11px; }
  .navigation .nav-detail { display: none; }
  .navigation .nav-install { padding: 8px 11px; gap: 7px; border-radius: 6px; }
  .navigation .nav-install > span { display: none; }
  .hero { padding-top: 59px; }
  .hero .eyebrow { font-size: 10px; }
  .hero h1 { font-size: 58px; letter-spacing: -2.6px; margin-top: 24px; line-height: 1.23; }
  .hero-description { font-size: 13px; line-height: 1.95; margin-top: 23px; }
  .hero-action { margin-top: 28px; }
  .install-button { min-height: 54px; padding: 15px 21px; font-size: 14px; }
  .action-note { font-size: 10px; }
  .explore-link { font-size: 11px; margin-top: 22px; }
  .hero-product { margin-top: 44px; }
  .product-frame { padding: 4px; border-radius: 8px; }
  .frame-bar { height: 25px; padding: 0 7px 3px; font-size: 8px; }
  .frame-dots { width: 60px; gap: 3px; }
  .frame-dots i { width: 4px; height: 4px; }
  .frame-label { width: 60px; font-size: 6px; }
  .overview-image { border-radius: 3px; }
  .hero-product figcaption { padding-top: 10px; font-size: 8px; gap: 8px; }
  .features { padding-top: 83px; }
  .section-heading h2 { font-size: 31px; letter-spacing: -1px; margin-top: 17px; line-height: 1.5; }
  .section-heading > p:last-child { font-size: 12px; margin-top: 15px; max-width: 300px; margin-inline: auto; }
  .eyebrow { font-size: 10px; letter-spacing: .7px; }
  .feature { display: flex; flex-direction: column; align-items: stretch; gap: 32px; }
  .feature-organize { margin-top: 44px; }
  .feature-copy { padding-block: 0; }
  .feature-organize .feature-copy { order: -1; }
  .feature-kicker { font-size: 10px; gap: 9px; }
  .feature h3 { font-size: 33px; margin-top: 18px; line-height: 1.45; }
  .feature-intro { margin-top: 18px; font-size: 13px; line-height: 1.95; max-width: none; }
  .feature-points { gap: 20px; margin-top: 25px; }
  .feature-points strong { font-size: 12px; }
  .feature-points p { font-size: 11px; max-width: none; margin-top: 6px; }
  .feature-points li { gap: 11px; }
  .feature-visual { height: 495px; border-radius: 8px; }
  .visual-topline { padding: 18px 20px; }
  .visual-label { font-size: 10px; }
  .lite-image-wrap { width: 265px; margin-top: 30px; }
  .feature-ai { margin-top: 73px; }
  .ai-visual { height: 555px; }
  .ai-image-wrap { width: 257px; margin-top: 28px; }
  .workflow { display: block; margin-top: 78px; padding-block: 47px; }
  .workflow h2 { font-size: 29px; margin-top: 18px; }
  .workflow-heading > p:last-child { font-size: 12px; margin-top: 17px; }
  .workflow-steps { margin-top: 37px; }
  .workflow-steps li { gap: 17px; padding-block: 21px; }
  .workflow-steps h3 { font-size: 14px; }
  .workflow-steps p { font-size: 11px; margin-top: 5px; }
  .start { padding-block: 73px 74px; }
  .start-mark { width: 48px; height: 48px; margin-bottom: 20px; }
  .start h2 { font-size: 33px; letter-spacing: -1px; margin-top: 18px; }
  .start-description { font-size: 12px; margin-top: 17px; }
  .start .install-button { margin-top: 27px; }
  .start-recharge { font-size: 11px; margin-top: 23px; }
  .site-footer { display: block; padding-top: 29px; }
  .footer-brand > p { padding-left: 0; margin-top: 11px; }
  .footer-links { flex-wrap: wrap; gap: 18px; margin-top: 22px; padding: 0; font-size: 10px; }
  .footer-bottom { margin-top: 28px; padding-block: 19px; flex-wrap: wrap; gap: 8px; font-size: 9px; }
  .footer-bottom > span { display: none; }
  .footer-bottom > p { margin-right: 0; }
  .footer-bottom > a { margin-left: auto; }
}
@media (max-width: 440px) {
  .mobile-break { display: inline; }
  .header-inner { width: calc(100% - 32px); }
  .navigation { gap: 12px; font-size: 10px; }
  .brand { font-size: 12px; letter-spacing: -.45px; }
  .brand img { width: 26px; height: 26px; }
  .navigation .nav-install { padding: 8px 10px; font-size: 10px; }
  .hero { padding-top: 50px; }
  .hero h1 { font-size: 51px; }
  .hero-description { font-size: 12px; }
  .hero-product figcaption { flex-direction: column; gap: 0; }
  .hero-product figcaption > span { color: #6f737f; }
  .hero-product { margin-top: 36px; }
  .section-heading h2 { font-size: 29px; }
  .feature h3 { font-size: 31px; }
  .feature-visual { height: 470px; }
  .lite-image-wrap { width: 250px; }
  .ai-visual { height: 530px; }
  .ai-image-wrap { width: 244px; }
  .start h2 { font-size: 31px; }
}
@media (max-width: 350px) {
  .navigation { gap: 9px; }
  .navigation .nav-install { padding-inline: 8px; }
  .brand { gap: 4px; font-size: 11px; }
  .brand img { width: 23px; height: 23px; }
  .hero h1 { font-size: 45px; }
  .hero-description { font-size: 11px; }
  .visual-topline { padding-inline: 14px; }
  .visual-topline > span:last-child { letter-spacing: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .install-button:hover, .install-button:active { transform: none; }
}