:root {
  color-scheme: light;
  --ink: #172c22;
  --ink-soft: #46594d;
  --muted: #778a7d;
  --green: #219b5a;
  --green-dark: #147748;
  --green-light: #e6f6e9;
  --paper: #f5f8f4;
  --white: #fff;
  --line: #dce7dd;
  --cream: #f8f2e7;
  --shadow: 0 28px 80px rgba(23, 65, 37, .11);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--white); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
svg { display: block; }
::selection { color: var(--ink); background: #c8ecd2; }
:focus-visible { outline: 3px solid #42b870; outline-offset: 4px; }
[hidden] { display: none !important; }

.container { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 12px 16px; border-radius: 8px; background: var(--ink); color: var(--white); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: relative; z-index: 30; background: #f8faf7; border-bottom: 1px solid rgba(32, 83, 49, .07); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; white-space: nowrap; gap: 11px; }
.brand-mark { width: 32px; height: 32px; position: relative; display: inline-block; }
.brand-mark span { position: absolute; display: block; border-radius: 9px 9px 9px 3px; }
.brand-mark span:first-child { inset: 2px 5px 7px 2px; background: var(--green); }
.brand-mark span:last-child { width: 14px; height: 12px; bottom: 1px; right: 0; background: #94d8a9; transform: rotate(-11deg); }
.brand-name { font-size: 25px; font-weight: 760; letter-spacing: -.07em; }
.brand-dot, .footer-brand span { color: var(--green); }
.brand-divider { width: 1px; height: 19px; margin-inline: 3px 1px; background: #cbdacb; }
.brand-caption { color: #6a7b6d; font-size: 12px; font-weight: 600; letter-spacing: .08em; }
.desktop-nav { display: flex; align-items: center; gap: 42px; margin-left: auto; }
.desktop-nav a { color: #45594b; font-size: 14px; transition: color .18s ease; }
.desktop-nav a[data-tutorial-nav], .mobile-nav a[data-tutorial-nav], .footer-links a[data-tutorial-nav] { cursor: pointer; }
.desktop-nav a:hover, .footer-links a:hover, .footer-links button:hover { color: var(--green); }
.desktop-nav a[aria-current="page"] { color: var(--green-dark); font-weight: 750; }
.ghost-button { border: 1px solid #bed7c2; padding: 10px 18px; border-radius: 999px; color: var(--green-dark); background: transparent; font-size: 13px; font-weight: 650; transition: background .2s, border-color .2s; }
.ghost-button:hover { background: #eaf6ec; border-color: var(--green); }
.ghost-button span { margin-left: 5px; font-size: 15px; }
.menu-toggle, .mobile-nav { display: none; }

.hero { position: relative; isolation: isolate; overflow: hidden; background: radial-gradient(circle at 73% 43%, #e4f2e5 0, #f5f8f3 36%, #f8faf7 74%); }
.hero::after { content: ""; position: absolute; z-index: -1; right: -150px; top: -200px; width: 600px; height: 600px; border: 1px solid rgba(39, 140, 76, .07); border-radius: 50%; }
.hero-glow { position: absolute; z-index: -1; inset: 0; background-image: radial-gradient(#b9d7bf 1px, transparent 1px); background-size: 25px 25px; opacity: .17; mask-image: linear-gradient(90deg, transparent 15%, black 100%); }
.hero-grid { min-height: 670px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 35px; padding-block: 65px 30px; }
.hero-copy { max-width: 570px; position: relative; z-index: 3; padding-bottom: 30px; }
.eyebrow, .section-index { display: flex; align-items: center; gap: 11px; color: var(--green-dark); font-size: 12px; font-weight: 750; letter-spacing: .14em; }
.eyebrow-line { width: 23px; height: 2px; background: var(--green); }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { margin: 28px 0 26px; font-size: clamp(44px, 4.45vw, 68px); line-height: 1.32; letter-spacing: -.064em; font-weight: 750; }
.hero h1 em { color: var(--green); font-style: normal; }
.hero-description { max-width: 465px; color: #5d7061; font-size: 16px; line-height: 2.05; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 37px; }
.primary-button { display: inline-flex; align-items: center; justify-content: center; gap: 11px; border: 1px solid var(--green); border-radius: 9px; padding: 15px 23px; background: var(--green); color: var(--white); font-size: 15px; font-weight: 700; box-shadow: 0 12px 24px rgba(25, 141, 74, .17); transition: transform .2s, background .2s, box-shadow .2s; }
.primary-button:hover { transform: translateY(-2px); background: var(--green-dark); box-shadow: 0 16px 29px rgba(25, 141, 74, .2); }
.primary-button svg { width: 20px; height: 20px; }
.text-button { border: 0; padding: 12px 0; background: transparent; color: #294a32; font-size: 15px; font-weight: 690; }
.text-button:hover, .faq-side-note button:hover { color: var(--green); }
.text-button span { padding-left: 5px; }
.hero-bottom { display: flex; align-items: center; gap: 16px; height: 62px; color: #78917e; font-size: 11px; letter-spacing: .07em; }
.hero-bottom-line { width: 85px; height: 1px; background: #b8ccbd; }
.hero-bottom span:last-child span { padding-left: 5px; font-size: 15px; }

.hero-visual { position: relative; min-height: 570px; display: flex; align-items: center; justify-content: center; }
.visual-orbit { position: absolute; width: 580px; height: 580px; border: 1px solid rgba(79, 164, 96, .13); border-radius: 50%; }
.orbit-one { transform: translate(28px, -2px); }
.orbit-two { width: 425px; height: 425px; background: rgba(207, 237, 211, .25); border: 0; transform: translate(30px, 4px); }
.chat-window { position: relative; width: min(460px, 100%); background: #f5f8f4; border: 1px solid rgba(180, 210, 181, .68); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; transform: rotate(-2deg); }
.chat-window-bar { display: flex; align-items: center; justify-content: space-between; height: 64px; padding: 0 23px; background: #fff; border-bottom: 1px solid #e9eee8; color: #35483c; font-size: 13px; font-weight: 700; }
.window-dots { display: flex; gap: 5px; }
.window-dots i { display: block; width: 7px; height: 7px; border-radius: 50%; background: #dce5db; }
.window-dots i:first-child { background: #d9ead8; }
.chat-window-bar svg { width: 20px; fill: #8a9d8f; }
.chat-body { min-height: 354px; padding: 21px 24px 15px; }
.chat-date { text-align: center; color: #9aa99e; font-size: 11px; margin-bottom: 22px; }
.chat-line { display: flex; align-items: flex-start; gap: 11px; margin-bottom: 20px; }
.chat-line.sent { justify-content: flex-end; }
.avatar { display: grid; flex: none; place-items: center; width: 34px; height: 34px; border-radius: 10px; font-size: 12px; font-weight: 700; }
.avatar-cream { background: #e9e4d6; color: #857862; }
.avatar-green { background: #c3eac5; color: #31825a; }
.bubble { max-width: 252px; padding: 11px 14px; background: #fff; border: 1px solid #eff1ec; border-radius: 3px 12px 12px 12px; color: #405347; font-size: 12px; line-height: 1.7; box-shadow: 0 3px 8px rgba(32, 67, 42, .04); }
.sent .bubble { background: #d9f4dc; border-color: #d2efd5; border-radius: 12px 3px 12px 12px; }
.recovered-divider { display: flex; align-items: center; gap: 11px; margin: 6px 0 24px; color: #71ad7d; font-size: 10px; font-weight: 600; letter-spacing: .05em; }
.recovered-divider span { height: 1px; flex: 1; background: #cbdccc; }
.recovered-divider b { font-weight: 600; }
.recovered .bubble { border-color: #bee7c5; box-shadow: 0 0 0 3px rgba(198, 237, 203, .22); }
.chat-input { display: flex; align-items: center; justify-content: space-between; gap: 15px; height: 66px; padding: 0 24px; border-top: 1px solid #e8eee8; background: #fff; }
.chat-input span { height: 34px; flex: 1; border-radius: 7px; background: #f6f8f6; }
.chat-input div { color: #95a89a; font-size: 29px; line-height: 1; }
.floating-tag { position: absolute; z-index: 2; display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid #e7eee5; box-shadow: 0 15px 35px rgba(33, 90, 49, .11); border-radius: 9px; color: #3e5945; font-size: 12px; font-weight: 650; white-space: nowrap; }
.floating-tag-top { top: 83px; right: -8px; padding: 12px 16px; transform: rotate(3deg); }
.tag-icon { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: #dff5e3; color: var(--green); font-size: 12px; }
.floating-tag-bottom { bottom: 85px; left: -16px; padding: 12px 17px; transform: rotate(2deg); }
.small-spark { color: var(--green); font-size: 19px; }

.statement-section { background: #fff; padding: 117px 0 105px; }
.statement-grid { display: grid; grid-template-columns: 170px minmax(430px, 1fr) 260px; align-items: start; gap: 48px; }
.section-index { margin: 8px 0 20px; white-space: nowrap; }
.section-index span { color: #a6b3a8; }
.statement-grid h2 { margin: 0; font-size: clamp(30px, 3vw, 43px); line-height: 1.56; letter-spacing: -.04em; font-weight: 720; }
.statement-grid h2 span, .feature-intro h2 span { color: var(--green); }
.statement-grid > p:last-child { margin: 16px 0 0; color: #687b6d; font-size: 14px; line-height: 2; }

.seo-content-section { padding: 100px 0 108px; background: #f5f8f3; }
.seo-content-inner { max-width: 1030px; }
.seo-content-inner h2 { max-width: 850px; margin: 0 0 24px; font-size: clamp(29px, 3.2vw, 43px); line-height: 1.45; letter-spacing: -.04em; }
.seo-content-inner > p:not(.section-index) { max-width: 900px; color: #647669; font-size: 15px; line-height: 2; }
.seo-content-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 34px; }
.seo-content-grid article { padding: 24px 26px; border: 1px solid #e2eae0; border-radius: 12px; background: #fff; }
.seo-content-grid h3 { margin: 0 0 11px; font-size: 17px; }
.seo-content-grid p { margin: 0; color: #718174; font-size: 13px; line-height: 1.9; }
[hidden] { display: none !important; }

.steps-section { padding: 112px 0 128px; background: var(--paper); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 50px; }
.section-heading h2, .feature-intro h2, .faq-layout h2 { margin: 0; font-size: clamp(32px, 3.4vw, 49px); line-height: 1.34; letter-spacing: -.045em; }
.section-heading > p { max-width: 295px; margin: 0 0 6px; color: #718174; font-size: 14px; line-height: 1.9; }
.steps-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 19px; }
.inline-tutorial-link { display: inline-block; margin-top: 9px; color: var(--green-dark); font-weight: 720; }
.inline-tutorial-link:hover { color: var(--green); }
.step-card { min-height: 276px; padding: 27px 29px 31px; border: 1px solid #e3eae1; border-radius: 14px; background: #fff; transition: transform .2s, border-color .2s; }
.step-card:hover { transform: translateY(-5px); border-color: #b9dabc; }
.step-card.featured-step { background: #e9f5e9; border-color: #d4e9d4; }
.step-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 44px; }
.step-number { color: #8caa91; font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.step-symbol { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 15px; background: #f5faf5; color: #2b995b; }
.featured-step .step-symbol { background: #fff; }
.step-symbol svg { width: 42px; height: 42px; }
.step-card h3 { margin: 0 0 13px; font-size: 20px; letter-spacing: -.025em; }
.step-card p { max-width: 260px; margin: 0; color: #758478; font-size: 13px; line-height: 1.9; }

.feature-section { padding: 124px 0 132px; background: #fff; }
.feature-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; }
.feature-intro { position: relative; }
.feature-intro h2 { margin-top: 25px; }
.feature-intro > p:not(.section-index) { max-width: 300px; margin-top: 23px; color: #718174; font-size: 14px; line-height: 1.95; }
.feature-quote { margin-top: 74px; max-width: 330px; padding: 26px 29px; background: #f2f8f1; border-radius: 5px 25px 25px 25px; }
.feature-quote span { display: block; height: 32px; color: #9ac99f; font-family: Georgia, serif; font-size: 58px; line-height: 1; }
.feature-quote p { margin: 11px 0 0; color: #3c6547; font-size: 17px; font-weight: 660; letter-spacing: .02em; }
.feature-list { margin-top: 10px; border-top: 1px solid var(--line); }
.feature-row { display: grid; grid-template-columns: 44px 1fr 25px; gap: 17px; padding: 27px 0 29px; border-bottom: 1px solid var(--line); }
.feature-row-number { padding-top: 4px; color: #8da88f; font-size: 12px; font-weight: 700; }
.feature-row h3 { margin: 0 0 10px; font-size: 20px; }
.feature-row p { margin: 0; max-width: 390px; color: #79877b; font-size: 13px; line-height: 1.9; }
.feature-arrow { padding-top: 2px; color: #98b39a; font-size: 20px; }

.faq-section { background: #f7f9f6; padding: 108px 0 130px; }
.faq-layout { display: grid; grid-template-columns: .84fr 1.16fr; gap: 95px; }
.faq-layout h2 { margin-top: 26px; }
.faq-side-note { margin: 29px 0 0; color: #7d8c80; font-size: 14px; }
.faq-side-note button { padding: 0 0 0 5px; border: 0; background: none; color: var(--green-dark); font-size: 14px; font-weight: 700; }
.faq-list { border-top: 1px solid #d6e2d7; }
.faq-list details { border-bottom: 1px solid #d6e2d7; }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 76px; list-style: none; cursor: pointer; font-size: 15px; font-weight: 680; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: #699972; font-size: 24px; font-weight: 300; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -1px 45px 24px 0; max-width: 490px; color: #6a7b6e; font-size: 13px; line-height: 1.95; }

.final-cta { overflow: hidden; background: #1e8b52; color: #fff; }
.final-cta-inner { position: relative; min-height: 420px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 70px 0; text-align: center; }
.cta-kicker { margin: 0 0 23px; color: #c1e4cd; font-size: 11px; font-weight: 750; letter-spacing: .19em; }
.final-cta h2 { margin: 0; font-size: clamp(33px, 3.5vw, 47px); line-height: 1.42; letter-spacing: -.05em; }
.final-cta-inner > p:not(.cta-kicker) { margin: 18px 0 27px; color: #d5edda; font-size: 14px; }
.cta-actions { display: flex; justify-content: center; gap: 12px; }
.cta-actions button { min-width: 150px; padding: 12px 19px; border-radius: 8px; font-weight: 680; font-size: 14px; transition: transform .2s, background .2s; }
.cta-actions button:hover { transform: translateY(-2px); }
.cta-white-button { border: 1px solid #fff; background: #fff; color: #177449; }
.cta-white-button span { margin-left: 6px; }
.cta-outline-button { border: 1px solid rgba(255, 255, 255, .63); background: transparent; color: #fff; }
.cta-outline-button:hover { background: rgba(255, 255, 255, .1); }
.cta-decoration { position: absolute; inset: 0; pointer-events: none; }
.cta-bubble { position: absolute; display: block; border: 1px solid rgba(255, 255, 255, .15); border-radius: 50%; }
.cta-bubble-a { left: 1%; top: -80px; width: 320px; height: 320px; }
.cta-bubble-b { right: 6%; bottom: -180px; width: 410px; height: 410px; }
.cta-bubble-c { right: 17%; top: 43px; width: 40px; height: 40px; background: rgba(255, 255, 255, .09); border: 0; }

.site-footer { background: #13251b; color: #c4d4c8; }
.footer-main { display: flex; justify-content: space-between; gap: 40px; padding: 65px 0 55px; }
.footer-brand { color: #fff; font-size: 28px; font-weight: 750; letter-spacing: -.06em; }
.footer-main p { margin: 18px 0 0; font-size: 12px; color: #95aa99; }
.footer-links { display: flex; align-items: flex-start; gap: 29px; padding-top: 10px; }
.footer-links a, .footer-links button { border: 0; padding: 0; background: transparent; color: #bdcfc1; font-size: 12px; transition: color .2s; }
.footer-bottom { display: flex; justify-content: space-between; gap: 35px; border-top: 1px solid #314437; padding: 20px 0 28px; color: #829b89; font-size: 11px; line-height: 1.8; }

.modal-backdrop { position: fixed; z-index: 80; inset: 0; display: grid; place-items: center; padding: 20px; background: rgba(13, 35, 22, .62); backdrop-filter: blur(5px); }
.modal-panel { position: relative; width: min(420px, 100%); padding: 32px 34px 27px; border-radius: 16px; background: #fff; box-shadow: 0 35px 95px rgba(11, 35, 18, .2); }
.modal-close { position: absolute; right: 17px; top: 13px; border: 0; background: none; color: #708373; font-size: 28px; line-height: 1; }
.modal-close:hover { color: var(--ink); }
.modal-mark { display: grid; place-items: center; width: 49px; height: 49px; border-radius: 13px; background: #e8f6e9; color: var(--green); }
.modal-mark svg { width: 30px; height: 30px; }
.modal-kicker { margin: 26px 0 8px; color: var(--green-dark); font-size: 11px; font-weight: 760; letter-spacing: .15em; }
.modal-panel h2 { margin: 0 0 12px; font-size: 27px; }
.modal-panel > p:not(.modal-kicker):not(.modal-footnote) { margin: 0; color: #66786a; font-size: 13px; line-height: 1.8; }
.qq-card { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 25px; padding: 17px 19px; border: 1px solid #dceade; border-radius: 9px; background: #f6faf5; }
.qq-card span { color: #6e8774; font-size: 12px; }
.qq-card strong { color: #247f4f; font-family: "Segoe UI", sans-serif; font-size: 21px; letter-spacing: .03em; }
.modal-copy { width: 100%; margin-top: 15px; padding-block: 13px; }
.modal-footnote { margin: 17px 0 0; text-align: center; color: #8b9a8d; font-size: 11px; }
.modal-open { overflow: hidden; }

.tutorial-hero { overflow: hidden; background: radial-gradient(circle at 83% 36%, #e3f2e5, #f5f8f4 57%, #fafbf8); }
.tutorial-hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 70px; min-height: 495px; padding-block: 75px; }
.tutorial-hero h1 { margin: 26px 0 24px; font-size: clamp(42px, 4.1vw, 63px); line-height: 1.31; letter-spacing: -.057em; }
.tutorial-hero h1 em { color: var(--green); font-style: normal; }
.tutorial-hero-grid > div:first-child > p:not(.section-index) { max-width: 530px; color: #65796b; font-size: 15px; line-height: 2; }
.tutorial-back { display: inline-block; margin-top: 20px; color: var(--green-dark); font-size: 13px; font-weight: 720; }
.tutorial-back:hover { color: var(--green); }
.tutorial-overview { position: relative; max-width: 345px; margin-left: auto; padding: 21px 28px; background: #fff; border: 1px solid #e2ece2; border-radius: 16px; box-shadow: 0 24px 65px rgba(31, 101, 50, .09); transform: rotate(2deg); }
.tutorial-overview::before { content: ""; position: absolute; top: 57px; bottom: 58px; left: 47px; width: 1px; background: #d9e8da; }
.tutorial-overview div { position: relative; z-index: 1; display: flex; align-items: center; gap: 19px; min-width: 234px; padding: 14px 0; color: #3d6047; font-size: 14px; }
.tutorial-overview span { display: grid; place-items: center; width: 39px; height: 39px; border-radius: 50%; background: #e3f4e6; color: var(--green-dark); font-size: 12px; font-weight: 800; }
.tutorial-overview b { font-weight: 670; }
.tutorial-content { background: #fff; }
.tutorial-step { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 95px; min-height: 420px; padding-block: 66px; border-bottom: 1px solid var(--line); }
.tutorial-step:nth-child(even) .tutorial-step-copy { grid-column: 2; grid-row: 1; }
.tutorial-step:nth-child(even) .tutorial-illustration { grid-column: 1; grid-row: 1; }
.tutorial-step-copy { max-width: 500px; }
.tutorial-number { color: var(--green-dark); font-size: 12px; font-weight: 780; letter-spacing: .11em; }
.tutorial-step h2 { margin: 23px 0 17px; font-size: clamp(27px, 2.8vw, 38px); line-height: 1.43; letter-spacing: -.045em; }
.tutorial-step-copy p { max-width: 470px; margin: 0; color: #6b7e70; font-size: 14px; line-height: 2; }
.tutorial-illustration { display: flex; flex-direction: column; justify-content: center; min-height: 280px; padding: 30px; border-radius: 17px; background: #f1f7ef; }
.memory-note { position: relative; align-items: flex-start; gap: 15px; background: #f5f8ed; }
.note-date { align-self: center; margin-bottom: 7px; color: #9aa78f; font-size: 11px; }
.note-bubble { max-width: 78%; padding: 12px 17px; border-radius: 4px 14px 14px 14px; background: #fff; color: #526651; font-size: 13px; box-shadow: 0 6px 19px rgba(49, 93, 51, .06); }
.note-bubble.right { align-self: flex-end; border-radius: 14px 4px 14px 14px; background: #d5f0d9; }
.note-spark { position: absolute; right: 43px; top: 37px; color: #a6cba2; font-size: 31px; }
.form-preview { gap: 11px; padding: 25px 36px; background: #eef7ef; }
.form-preview-title { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; color: #2e5a39; font-size: 13px; font-weight: 760; }
.form-preview-dot { display: block; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.preview-field { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 12px 14px; border: 1px solid #e3eee4; border-radius: 7px; background: #fff; }
.preview-field span { color: #84978a; font-size: 11px; white-space: nowrap; }
.preview-field b { color: #425b48; font-size: 12px; font-weight: 650; text-align: right; }
.preview-field .sender-pill { padding: 4px 8px; border-radius: 4px; background: #e2f4e5; color: var(--green-dark); }
.preview-save { align-self: flex-end; margin-top: 2px; padding: 8px 14px; border-radius: 5px; background: var(--green); color: #fff; font-size: 11px; font-weight: 720; }
.desktop-preview { padding: 0; overflow: hidden; border: 1px solid #dfebdf; background: #fff; box-shadow: 0 20px 50px rgba(27, 93, 48, .08); }
.desktop-preview-top { display: flex; align-items: center; gap: 5px; height: 43px; padding: 0 17px; border-bottom: 1px solid #eaf0e8; color: #6c826e; font-size: 10px; }
.desktop-preview-top i { width: 6px; height: 6px; border-radius: 50%; background: #d1e2d1; }
.desktop-preview-top span { margin-left: 13px; }
.desktop-preview-body { display: flex; flex: 1; flex-direction: column; align-items: center; justify-content: center; gap: 11px; min-height: 237px; background: #f7faf6; }
.desktop-check { display: grid; place-items: center; width: 49px; height: 49px; border-radius: 50%; background: #dcefe0; color: var(--green); font-size: 24px; }
.desktop-preview-body b { color: #3c5f45; font-size: 14px; }
.desktop-preview-body small { color: #8ca090; font-size: 11px; }
.transfer-preview { flex-direction: row; align-items: center; gap: 18px; background: #f3f7f1; }
.transfer-device { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 13px; background: #fff; border: 1px solid #d8e8da; box-shadow: 0 10px 25px rgba(32, 74, 40, .07); text-align: center; }
.transfer-device span { color: #82a086; font-size: 10px; }
.transfer-device b { color: #3b6046; font-size: 12px; }
.desktop-device { width: 48%; height: 142px; border-radius: 11px; }
.mobile-device { width: 92px; height: 165px; border: 5px solid #30493a; border-radius: 17px; }
.transfer-arrow { color: var(--green); font-size: 27px; }
.tutorial-help { padding: 85px 0; background: #f5f8f3; }
.tutorial-help-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.tutorial-help h2 { margin: 0 0 12px; font-size: clamp(29px, 3vw, 41px); letter-spacing: -.045em; }
.tutorial-help p:not(.section-index) { margin: 0; color: #738576; font-size: 13px; line-height: 1.9; }
.tutorial-help-actions { display: flex; align-items: center; gap: 12px; white-space: nowrap; }
.tutorial-help-actions .ghost-button { min-height: 49px; border-radius: 8px; padding-inline: 20px; }

@media (max-width: 1080px) {
  .container { width: min(100% - 50px, 1200px); }
  .desktop-nav { gap: 23px; }
  .hero-grid { gap: 15px; }
  .hero h1 { font-size: clamp(43px, 5vw, 61px); }
  .statement-grid { grid-template-columns: 130px 1fr 230px; gap: 26px; }
  .feature-layout { gap: 50px; }
  .faq-layout { gap: 50px; }
  .tutorial-step { gap: 40px; }
}

@media (max-width: 800px) {
  .container { width: min(100% - 42px, 620px); }
  .header-inner { min-height: 68px; }
  .desktop-nav, .header-contact { display: none; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 35px; height: 35px; padding: 5px; border: 0; background: none; }
  .menu-toggle span { width: 23px; height: 2px; border-radius: 2px; background: var(--ink); }
  .mobile-nav:not([hidden]) { display: flex; flex-direction: column; gap: 0; padding: 7px 21px 19px; border-top: 1px solid var(--line); background: #f8faf7; }
  .mobile-nav a, .mobile-nav button { display: block; width: 100%; border: 0; border-bottom: 1px solid var(--line); padding: 13px 0; text-align: left; color: #405446; background: none; font-size: 14px; }
  .hero-grid { min-height: 0; grid-template-columns: 1fr; gap: 5px; padding-top: 76px; padding-bottom: 10px; }
  .hero-copy { max-width: none; padding: 0; }
  .hero h1 { font-size: clamp(40px, 8.3vw, 58px); }
  .hero-visual { min-height: 500px; }
  .chat-window { max-width: 455px; }
  .hero-bottom { height: 60px; }
  .statement-section, .seo-content-section, .steps-section, .feature-section, .faq-section { padding: 78px 0 88px; }
  .statement-grid { grid-template-columns: 1fr; gap: 13px; }
  .statement-grid h2 { font-size: clamp(29px, 5.3vw, 39px); }
  .statement-grid > p:last-child { max-width: 500px; margin-top: 4px; }
  .steps-grid { grid-template-columns: 1fr; gap: 13px; }
  .seo-content-grid { grid-template-columns: 1fr; gap: 13px; }
  .step-card { min-height: 175px; }
  .step-top { margin-bottom: 15px; }
  .section-heading { align-items: start; flex-direction: column; gap: 18px; margin-bottom: 32px; }
  .section-heading > p { max-width: 490px; }
  .feature-layout, .faq-layout { grid-template-columns: 1fr; gap: 42px; }
  .feature-quote { display: none; }
  .feature-intro > p:not(.section-index) { max-width: 500px; }
  .faq-layout { gap: 25px; }
  .footer-main { flex-direction: column; gap: 30px; }
  .footer-links { flex-wrap: wrap; padding-top: 0; }
  .tutorial-hero-grid { grid-template-columns: 1fr; gap: 42px; padding-block: 70px; }
  .tutorial-overview { width: min(100%, 390px); margin: 0; transform: none; }
  .tutorial-step { grid-template-columns: 1fr; gap: 32px; padding-block: 55px; }
  .tutorial-step:nth-child(even) .tutorial-step-copy, .tutorial-step:nth-child(even) .tutorial-illustration { grid-column: 1; grid-row: auto; }
  .tutorial-illustration { min-height: 250px; }
  .tutorial-help-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 520px) {
  .container { width: calc(100% - 34px); }
  .brand-name { font-size: 23px; }
  .brand-caption { font-size: 10px; }
  .hero-grid { padding-top: 62px; }
  .hero h1 { margin: 23px 0; font-size: clamp(36px, 9.7vw, 48px); }
  .hero-description { font-size: 14px; line-height: 1.9; }
  .hero-actions { gap: 19px; margin-top: 27px; }
  .primary-button { padding: 14px 16px; font-size: 13px; }
  .text-button { font-size: 13px; }
  .hero-visual { min-height: 390px; }
  .visual-orbit { width: 380px; height: 380px; }
  .orbit-two { width: 290px; height: 290px; }
  .chat-window { width: min(350px, calc(100% - 30px)); border-radius: 16px; }
  .chat-window-bar { height: 50px; padding-inline: 16px; font-size: 11px; }
  .chat-body { min-height: 279px; padding: 15px; }
  .chat-date { margin-bottom: 16px; font-size: 9px; }
  .chat-line { gap: 7px; margin-bottom: 13px; }
  .avatar { width: 27px; height: 27px; border-radius: 7px; font-size: 10px; }
  .bubble { max-width: 215px; padding: 8px 10px; font-size: 10px; }
  .recovered-divider { margin: 4px 0 18px; }
  .chat-input { height: 45px; padding-inline: 16px; }
  .chat-input span { height: 26px; }
  .floating-tag { font-size: 10px; }
  .floating-tag-top { top: 18px; right: -1px; padding: 9px; }
  .floating-tag-bottom { bottom: 13px; left: 0; padding: 9px; }
  .statement-grid h2, .section-heading h2, .feature-intro h2, .faq-layout h2 { font-size: 31px; }
  .feature-row { grid-template-columns: 28px 1fr 20px; gap: 11px; }
  .feature-row h3 { font-size: 17px; }
  .final-cta-inner { min-height: 380px; }
  .final-cta h2 { font-size: 31px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .tutorial-hero h1 { font-size: 37px; }
  .tutorial-hero-grid { padding-block: 60px; }
  .tutorial-step h2 { font-size: 28px; }
  .tutorial-help-actions { align-items: stretch; flex-direction: column; width: 100%; }
  .tutorial-help-actions button { width: 100%; }
  .form-preview { padding-inline: 19px; }
  .preview-field { padding-inline: 10px; }
  .preview-field b { font-size: 10px; }
  .transfer-preview { padding-inline: 18px; gap: 9px; }
  .mobile-device { width: 77px; }
}

@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}