:root {
  --blue: #3f83f8;
  --blue-deep: #2868df;
  --sky: #eaf3ff;
  --ink: #15243d;
  --muted: #6f7f98;
  --line: #e3eaf5;
  --white: #ffffff;
  --green: #42cc7b;
  --orange: #ff935f;
  --purple: #8c7af2;
  --shell: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.shell { width: min(calc(100% - 64px), var(--shell)); margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.9); border-bottom: 1px solid rgba(227,234,245,.9); backdrop-filter: blur(18px); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; gap: 42px; }
.brand, .footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: 0; }
.brand img { width: 36px; height: 36px; border-radius: 11px; }
.brand span { font-size: 17px; }
.site-nav { display: flex; align-items: center; gap: 30px; margin-left: auto; color: var(--muted); font-size: 14px; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover, .site-nav a.active { color: var(--blue); }
.nav-cta { padding: 11px 17px; color: var(--blue); font-size: 13px; font-weight: 700; border: 1px solid #d4e3ff; border-radius: 8px; transition: background .2s ease, transform .2s ease; }
.nav-cta:hover { background: var(--sky); transform: translateY(-1px); }
.menu-toggle { display: none; border: 0; background: none; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; margin: 4px 0; background: var(--ink); }

.hero { position: relative; overflow: hidden; background: linear-gradient(135deg, #f4f9ff 0%, #eef5ff 54%, #e1edff 100%); }
.hero-grid { min-height: 650px; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 30px; position: relative; z-index: 1; }
.hero-copy { padding: 80px 0 86px; position: relative; z-index: 2; }
.eyebrow { margin: 0 0 17px; color: var(--blue); font-size: 11px; letter-spacing: .13em; font-weight: 800; }
.eyebrow-dot { display: inline-block; width: 7px; height: 7px; margin: 0 8px 1px 0; background: var(--blue); border-radius: 50%; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 600px; margin-bottom: 23px; font-size: clamp(44px, 5.4vw, 70px); line-height: 1.17; letter-spacing: 0; font-weight: 800; }
h1 em { color: var(--blue); font-style: normal; }
.hero-text { max-width: 500px; margin-bottom: 34px; color: var(--muted); font-size: 16px; line-height: 2; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 48px; padding: 0 20px; border-radius: 8px; font-size: 14px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--blue); box-shadow: 0 12px 24px rgba(63,131,248,.24); }
.button-primary:hover { background: var(--blue-deep); box-shadow: 0 16px 28px rgba(63,131,248,.29); }
.button-quiet { color: var(--ink); background: rgba(255,255,255,.66); border: 1px solid #dce8f8; }
.hero-proof { display: flex; gap: 25px; margin-top: 61px; }
.hero-proof div { display: flex; flex-direction: column; gap: 3px; padding-right: 25px; border-right: 1px solid #cfdef2; }
.hero-proof div:last-child { border-right: 0; padding-right: 0; }
.hero-proof strong { color: var(--blue); font-size: 12px; }
.hero-proof span { color: var(--muted); font-size: 12px; }
.hero-visual { min-height: 650px; position: relative; }
.phone { position: absolute; overflow: hidden; border: 7px solid #dce8f7; border-radius: 34px; background: #f1f6fc; box-shadow: 0 28px 55px rgba(48,91,154,.2); }
.phone img { width: 100%; height: 100%; object-fit: cover; }
.phone-front { right: 15%; top: 73px; z-index: 3; width: 260px; height: 548px; transform: rotate(3.5deg); }
.phone-back-left { left: 11%; top: 125px; z-index: 2; width: 224px; height: 480px; opacity: .94; transform: rotate(-9deg); box-shadow: 0 22px 38px rgba(48,91,154,.12); }
.visual-orbit { position: absolute; border: 1px solid rgba(63,131,248,.15); border-radius: 50%; }
.visual-orbit-left { width: 510px; height: 510px; left: -2%; top: 63px; }
.visual-orbit-right { width: 300px; height: 300px; right: -1%; top: 170px; border-color: rgba(63,131,248,.11); }
.float-note { position: absolute; z-index: 5; display: flex; align-items: center; gap: 11px; padding: 12px 16px 12px 12px; background: rgba(255,255,255,.93); border: 1px solid rgba(255,255,255,.7); border-radius: 13px; box-shadow: 0 16px 30px rgba(67,102,156,.14); }
.float-note b, .float-note small { display: block; }
.float-note b { color: var(--ink); font-size: 12px; }
.float-note small { color: var(--muted); font-size: 10px; }
.float-note-top { top: 126px; right: 1%; }
.float-note-bottom { bottom: 78px; left: 2%; }
.note-icon { width: 28px; height: 28px; display: grid; place-items: center; color: #fff; background: var(--green); border-radius: 9px; font-size: 15px; }
.note-icon.blue { background: var(--blue); }
.hero-glow { position: absolute; border-radius: 50%; background: rgba(255,255,255,.5); filter: blur(1px); }
.hero-glow-one { width: 390px; height: 390px; left: 33%; top: -220px; }
.hero-glow-two { width: 210px; height: 210px; right: 2%; bottom: -120px; }
.hero-bottom-line { height: 1px; background: rgba(63,131,248,.13); }

.trust-strip { background: #fff; border-bottom: 1px solid var(--line); }
.trust-grid { min-height: 83px; display: grid; grid-template-columns: 1.2fr repeat(3, 1fr); align-items: center; gap: 20px; }
.trust-grid > p { margin: 0; color: var(--ink); font-size: 14px; font-weight: 700; }
.trust-grid > div { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
.trust-mark, .value-icon { display: grid; place-items: center; flex: 0 0 auto; width: 30px; height: 30px; border-radius: 9px; font-weight: 800; }
.trust-mark.green, .value-icon.green { color: #20a65c; background: #e2f8eb; }
.trust-mark.orange, .value-icon.orange { color: #e66c3a; background: #fff0e9; }
.trust-mark.purple, .value-icon.purple { color: #7563db; background: #efedff; }

.section { padding: 112px 0; }
.process-section { background: #fff; }
.section-heading { max-width: 650px; margin-bottom: 54px; }
.section-heading.centered { margin-right: auto; margin-left: auto; text-align: center; }
.section-heading h2, .scenario-copy h2, .values-heading h2, .faq-intro h2, .final-cta h2 { margin-bottom: 15px; font-size: clamp(31px, 4vw, 47px); line-height: 1.3; letter-spacing: 0; }
.section-heading > p:last-child, .split-heading > p, .faq-intro > p:last-child { color: var(--muted); font-size: 15px; line-height: 1.9; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.process-card { position: relative; min-height: 288px; padding: 27px 26px; overflow: hidden; border-radius: 8px; }
.process-card::after { content: ""; position: absolute; width: 120px; height: 120px; right: -43px; bottom: -43px; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; }
.process-card-blue { background: #eaf3ff; }.process-card-green { background: #eaf9f0; }.process-card-orange { background: #fff1ea; }.process-card-purple { background: #f0eeff; }
.step-number { color: var(--muted); font-size: 11px; font-weight: 800; }
.step-icon { width: 44px; height: 44px; display: grid; place-items: center; margin: 35px 0 23px; color: #fff; background: var(--blue); border-radius: 13px; font-size: 23px; }
.process-card-green .step-icon { background: var(--green); }.process-card-orange .step-icon { background: var(--orange); }.process-card-purple .step-icon { background: var(--purple); }
.process-card h3 { margin-bottom: 10px; font-size: 17px; }.process-card p { margin-bottom: 20px; color: var(--muted); font-size: 12px; line-height: 1.8; }.step-label { color: var(--blue); font-size: 10px; font-weight: 800; }.process-card-green .step-label { color: #20a65c; }.process-card-orange .step-label { color: #e66c3a; }.process-card-purple .step-label { color: #7563db; }

.scenario-section { background: #f6f9fe; }
.scenario-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 70px; }
.scenario-copy { padding-left: 34px; }
.scenario-lead { max-width: 480px; color: var(--muted); font-size: 15px; line-height: 2; }
.story-list { list-style: none; margin: 35px 0 0; padding: 0; display: grid; gap: 19px; }
.story-list li { display: flex; align-items: center; gap: 13px; }.story-list li > span { display: grid; place-items: center; width: 30px; height: 30px; color: var(--blue); background: #e4efff; border-radius: 9px; font-size: 12px; font-weight: 800; }.story-list strong, .story-list small { display: block; }.story-list strong { font-size: 13px; }.story-list small { margin-top: 2px; color: var(--muted); font-size: 11px; }
.scenario-art { min-height: 544px; position: relative; }.scenario-backdrop { position: absolute; inset: 25px 0 18px 0; background: linear-gradient(145deg, #e9f3ff, #dbeaff); border-radius: 8px; }.scenario-phone { right: 22%; top: 30px; z-index: 2; width: 239px; height: 500px; border-color: #cfdff4; transform: rotate(4deg); }.chat-bubble { position: absolute; z-index: 4; display: flex; align-items: center; gap: 9px; max-width: 230px; padding: 11px 13px 11px 10px; background: #fff; border: 1px solid #e4ebf6; border-radius: 12px; box-shadow: 0 15px 28px rgba(67,102,156,.11); }.bubble-one { left: 3%; top: 94px; }.bubble-two { right: 0; bottom: 109px; }.bubble-avatar { display: grid; place-items: center; width: 29px; height: 29px; color: #fff; background: var(--blue); border-radius: 9px; font-size: 11px; font-weight: 800; }.bubble-avatar.pro { background: var(--green); }.chat-bubble b, .chat-bubble small { display: block; white-space: nowrap; }.chat-bubble b { font-size: 11px; }.chat-bubble small { color: var(--muted); font-size: 9px; }.price { margin-left: 5px; color: var(--blue); font-size: 13px; white-space: nowrap; }.success-badge { position: absolute; z-index: 5; left: 10%; bottom: 50px; display: flex; align-items: center; gap: 10px; padding: 13px 16px 13px 12px; background: var(--ink); border-radius: 12px; box-shadow: 0 15px 28px rgba(21,36,61,.18); }.success-badge > span { display: grid; place-items: center; width: 29px; height: 29px; color: var(--ink); background: #a9eec6; border-radius: 9px; }.success-badge b, .success-badge small { display: block; color: #fff; }.success-badge b { font-size: 11px; }.success-badge small { color: #a8b6ca; font-size: 9px; }

.screenshot-section { background: #fff; overflow: hidden; }.split-heading { max-width: none; display: grid; grid-template-columns: 1fr .75fr; align-items: end; gap: 40px; }.split-heading > p { max-width: 380px; margin: 0 0 7px; }.screenshot-layout { display: grid; grid-template-columns: 280px 1fr; gap: 40px; align-items: center; }.screenshot-copy-panel { padding: 32px 27px; background: var(--ink); border-radius: 8px; }.panel-tag { color: #9bbfff; font-size: 10px; font-weight: 800; letter-spacing: .09em; }.screenshot-copy-panel h3 { margin: 32px 0 12px; color: #fff; font-size: 23px; line-height: 1.45; }.screenshot-copy-panel p { color: #a8b6ca; font-size: 13px; line-height: 1.9; }.text-link { display: inline-flex; gap: 12px; align-items: center; color: #a9c8ff; font-size: 12px; font-weight: 700; }.screenshot-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; align-items: end; }.screenshot-row figure { margin: 0; }.screenshot-row figure:nth-child(2), .screenshot-row figure:nth-child(4) { transform: translateY(-19px); }.screenshot-row img { width: 100%; max-height: 390px; object-fit: cover; object-position: top; border: 5px solid #e5edf8; border-radius: 23px; box-shadow: 0 16px 25px rgba(48,91,154,.12); }.screenshot-row figcaption { margin-top: 12px; color: var(--muted); text-align: center; font-size: 11px; }

.values-section { padding: 94px 0; background: #f6f9fe; }.values-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 42px 55px; align-items: start; }.values-heading { grid-row: span 2; }.values-heading h2 { font-size: 38px; }.value-item { display: flex; gap: 13px; }.value-icon { width: 38px; height: 38px; font-size: 17px; }.value-icon.blue { color: var(--blue); background: #e4efff; }.value-item h3 { margin: 0 0 5px; font-size: 15px; }.value-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

.faq-section { padding: 108px 0; }.faq-grid { display: grid; grid-template-columns: .7fr 1fr; gap: 100px; }.faq-intro > p:last-child { max-width: 270px; }.faq-list details { border-top: 1px solid var(--line); }.faq-list details:last-child { border-bottom: 1px solid var(--line); }.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 21px 0; cursor: pointer; list-style: none; font-size: 14px; font-weight: 700; }.faq-list summary::-webkit-details-marker { display: none; }.faq-list summary span { color: var(--blue); font-size: 23px; font-weight: 400; transition: transform .2s ease; }.faq-list details[open] summary span { transform: rotate(45deg); }.faq-list details p { max-width: 610px; margin: -7px 42px 20px 0; color: var(--muted); font-size: 12px; line-height: 1.9; }
.final-cta { padding: 75px 0; color: #fff; background: var(--blue); }.final-cta .eyebrow { color: #bcd5ff; }.final-cta h2 { margin: 0; font-size: clamp(31px, 4vw, 47px); }.final-cta-inner { display: flex; align-items: end; justify-content: space-between; gap: 30px; }.button-light { color: var(--ink); background: #fff; }.button-light:hover { background: #edf5ff; }
.site-footer { background: #111d31; }.footer-inner { min-height: 98px; display: flex; align-items: center; justify-content: space-between; gap: 25px; }.footer-brand img { width: 34px; height: 34px; border-radius: 10px; }.footer-brand strong, .footer-brand span { display: block; }.footer-brand strong { color: #fff; font-size: 14px; }.footer-brand span { color: #8291a8; font-size: 10px; }.footer-legal { flex: 1; display: flex; align-items: center; justify-content: center; gap: 0; min-width: 0; white-space: nowrap; }.footer-legal p { margin: 0; color: #8291a8; font-size: 10px; line-height: 1.6; }.footer-legal p + p::before { content: "|"; margin: 0 12px; color: #405069; }.footer-legal a { color: #a9c8ff; }

@media (max-width: 960px) {
  .nav-wrap { gap: 20px; }.site-nav { gap: 17px; }.hero-grid, .scenario-grid { gap: 20px; }.phone-front { right: 11%; }.phone-back-left { left: 5%; }.float-note-top { right: 0; }.screenshot-layout { grid-template-columns: 220px 1fr; gap: 22px; }.values-grid { gap: 32px; }.faq-grid { gap: 55px; }
}
@media (max-width: 720px) {
  .shell { width: min(calc(100% - 40px), var(--shell)); }
  .site-header { position: relative; }.nav-wrap { min-height: 68px; justify-content: space-between; }.menu-toggle { display: block; }.nav-cta { display: none; }.site-nav { position: absolute; top: 68px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; margin: 0; padding: 8px 20px 18px; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); }.site-nav.is-open { display: flex; }.site-nav a { padding: 10px 0; }.hero-grid, .scenario-grid, .split-heading, .faq-grid { grid-template-columns: 1fr; }.hero-grid { min-height: auto; }.hero-copy { padding: 65px 0 28px; }.hero-text { font-size: 14px; line-height: 1.9; }.hero-proof { margin-top: 42px; gap: 13px; }.hero-proof div { padding-right: 13px; }.hero-proof span { font-size: 10px; }.hero-visual { min-height: 505px; margin: 0 -20px; transform: scale(.86); transform-origin: top center; }.phone-front { right: 21%; top: 40px; }.phone-back-left { left: 13%; top: 83px; }.float-note-top { top: 98px; right: 4%; }.float-note-bottom { bottom: 50px; left: 4%; }.trust-grid { min-height: auto; grid-template-columns: 1fr 1fr; gap: 15px 12px; padding: 24px 0; }.trust-grid > p { grid-column: 1 / -1; margin-bottom: 3px; }.section { padding: 76px 0; }.section-heading { margin-bottom: 36px; }.section-heading h2, .scenario-copy h2, .values-heading h2, .faq-intro h2 { font-size: 32px; }.process-grid { grid-template-columns: 1fr 1fr; }.process-card { min-height: 255px; padding: 20px; }.step-icon { margin: 22px 0 16px; }.process-card h3 { font-size: 15px; }.scenario-copy { padding-left: 0; }.scenario-art { min-height: 490px; margin: 8px -20px 0; transform: scale(.88); transform-origin: center top; }.screenshot-layout { grid-template-columns: 1fr; }.screenshot-copy-panel { padding: 25px; }.screenshot-copy-panel h3 { margin-top: 22px; }.split-heading > p { margin-top: -20px; }.screenshot-row { grid-template-columns: repeat(4, 145px); gap: 11px; overflow-x: auto; padding: 4px 2px 16px; }.screenshot-row figure:nth-child(2), .screenshot-row figure:nth-child(4) { transform: translateY(0); }.screenshot-row img { max-height: 308px; }.values-section { padding: 70px 0; }.values-grid { grid-template-columns: 1fr; gap: 27px; }.values-heading { grid-row: auto; margin-bottom: 8px; }.values-heading h2 { font-size: 32px; }.faq-grid { gap: 40px; }.final-cta { padding: 62px 0; }.final-cta-inner { align-items: start; flex-direction: column; }.footer-inner { min-height: 150px; flex-direction: column; align-items: flex-start; padding: 25px 0; }.footer-legal { width: 100%; justify-content: flex-start; flex-wrap: wrap; white-space: normal; text-align: left; }.footer-legal p + p::before { margin: 0 8px; }
}
@media (max-width: 410px) { h1 { font-size: 41px; }.process-grid { grid-template-columns: 1fr; }.process-card { min-height: 215px; }.hero-visual { transform: scale(.76); margin-bottom: -110px; }.scenario-art { transform: scale(.78); margin-bottom: -95px; } }