:root {
  --ink: #18213a;
  --deep: #152d68;
  --forest: #3566d6;
  --mint: #70d2d4;
  --pale: #eaf2ff;
  --cream: #f5f7fc;
  --paper: #fff;
  --line: rgba(24, 33, 58, .13);
  --muted: #6d7689;
  --coral: #ff9864;
  --gold: #ffd77b;
  --shadow: 0 28px 80px rgba(38, 76, 158, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
::selection { color: #fff; background: var(--forest); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -80px; left: 20px; z-index: 100; padding: 12px 18px; color: #fff; border-radius: 10px; background: var(--deep); transition: top .2s; }
.skip-link:focus { top: 20px; }

.site-header { position: fixed; top: 14px; left: 50%; z-index: 50; width: min(1180px, calc(100% - 34px)); min-height: 66px; padding: 9px 10px 9px 18px; display: flex; align-items: center; gap: 32px; border: 1px solid rgba(255, 255, 255, .7); border-radius: 20px; background: rgba(255, 253, 250, .84); box-shadow: 0 18px 50px rgba(29, 53, 51, .1); backdrop-filter: blur(22px); transform: translateX(-50%); }
.brand { display: flex; align-items: center; gap: 11px; }
.brand > span:not(.brand-mark) { display: flex; flex-direction: column; gap: 1px; }
.brand strong { font-size: 14px; font-weight: 720; letter-spacing: -.02em; }
.brand small { color: #81898a; font-size: 8px; font-weight: 700; letter-spacing: .11em; }
.brand em { color: #a5abaa; font-size: 14px; font-style: normal; }
.brand-mark { position: relative; width: 35px; height: 35px; flex: 0 0 35px; display: block; border-radius: 11px; background: var(--deep); box-shadow: 0 8px 20px rgba(16, 43, 43, .2); }
.brand-mark i { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); }
.brand-mark i:first-child { top: 9px; left: 9px; }
.brand-mark i:nth-child(2) { top: 9px; right: 9px; background: var(--coral); }
.brand-mark i:last-child { left: 14px; bottom: 8px; background: #fff; }
.site-header nav { margin-left: auto; display: flex; align-items: center; gap: 28px; }
.site-header nav a { position: relative; color: #536161; font-size: 12px; font-weight: 620; }
.site-header nav a::after { content: ""; position: absolute; right: 50%; bottom: -7px; left: 50%; height: 2px; border-radius: 10px; background: var(--forest); transition: right .2s, left .2s; }
.site-header nav a:hover::after, .site-header nav a:focus-visible::after { right: 0; left: 0; }
.header-cta { margin-left: 4px; padding: 15px 18px; display: flex; align-items: center; gap: 18px; color: #fff; border-radius: 13px; background: var(--deep); font-size: 11px; font-weight: 650; transition: transform .2s, background .2s; }
.header-cta:hover { background: var(--forest); transform: translateY(-1px); }
.menu-button { display: none; border: 0; background: transparent; }

.hero { position: relative; min-height: 850px; padding: 145px max(6vw, 34px) 80px; display: grid; grid-template-columns: .82fr 1.18fr; align-items: center; gap: 50px; overflow: hidden; background: radial-gradient(circle at 11% 19%, rgba(217, 173, 92, .17), transparent 27%), radial-gradient(circle at 94% 70%, rgba(99, 208, 178, .19), transparent 26%), linear-gradient(145deg, #fbf8f1 0%, #fffdfa 50%, #eff8f4 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .32; background-image: linear-gradient(rgba(16, 43, 43, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(16, 43, 43, .055) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to right, #000, transparent 64%); }
.hero-copy, .hero-visual { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 23px; display: flex; align-items: center; gap: 12px; color: #64706f; font-size: 11px; font-weight: 720; letter-spacing: .13em; }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 7px rgba(240, 125, 98, .12); }
.eyebrow.light { color: rgba(255, 255, 255, .62); }
.eyebrow.light span { background: var(--mint); box-shadow: 0 0 0 7px rgba(99, 208, 178, .12); }
.hero h1 { margin: 0; font-size: clamp(62px, 7vw, 112px); line-height: .93; letter-spacing: -.075em; font-weight: 760; }
.hero h1 em { position: relative; display: inline-block; color: var(--forest); font-style: normal; }
.hero h1 em::after { content: ""; position: absolute; right: 1%; bottom: -8px; left: 3%; height: 11px; border-radius: 50%; border-top: 2px solid var(--coral); transform: rotate(-1deg); }
.hero-lead { max-width: 510px; margin: 38px 0 0; color: #687271; font-size: 18px; line-height: 1.85; letter-spacing: .005em; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 52px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 28px; border: 1px solid var(--line); border-radius: 15px; font-size: 12px; font-weight: 680; transition: transform .2s, box-shadow .2s, background .2s; }
.button-primary { color: #fff; border-color: var(--deep); background: var(--deep); box-shadow: 0 17px 38px rgba(16, 43, 43, .22); }
.button-primary:hover { background: var(--forest); transform: translateY(-2px); }
.button-ghost:hover { background: #fff; transform: translateY(-2px); }
.source-note { margin: 25px 0 0; display: flex; align-items: center; gap: 9px; color: #8b9290; font-size: 10px; }
.source-note i { width: 19px; height: 19px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; font-family: Georgia, serif; font-style: italic; }

.hero-visual { min-width: 0; }
.browser-shell { overflow: hidden; border: 1px solid rgba(16, 43, 43, .15); border-radius: 28px; background: rgba(255, 255, 255, .88); box-shadow: 0 45px 110px rgba(25, 70, 64, .18); transform: perspective(1400px) rotateY(-2deg) rotateX(1deg); }
.browser-shell > header { height: 51px; padding: 0 18px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid #e7e9e7; }
.browser-shell > header b { font-size: 10px; font-weight: 650; }
.browser-shell > header em { justify-self: end; padding: 6px 9px; color: var(--forest); border-radius: 999px; background: var(--pale); font-size: 8px; font-style: normal; font-weight: 700; }
.browser-dots { display: flex; gap: 6px; }
.browser-dots i { width: 7px; height: 7px; border-radius: 50%; background: #ed9d9f; }
.browser-dots i:nth-child(2) { background: #e6c471; }
.browser-dots i:last-child { background: #7bc79d; }
.dashboard { height: 488px; display: grid; grid-template-columns: 125px 1fr; }
.dashboard > aside { padding: 24px 15px; display: flex; flex-direction: column; color: rgba(255, 255, 255, .62); background: var(--deep); }
.dashboard-logo { display: flex; align-items: center; gap: 8px; color: #fff; }
.dashboard-logo > span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; background: rgba(255, 255, 255, .12); font-family: Georgia, "Songti SC", serif; }
.dashboard-logo b { font-size: 9px; }
.dashboard aside nav { margin-top: 34px; display: grid; gap: 7px; }
.dashboard aside nav span { padding: 10px; border-radius: 8px; font-size: 8px; }
.dashboard aside nav span.active { color: #fff; background: rgba(99, 208, 178, .17); }
.dashboard aside > small { margin-top: auto; padding: 11px 7px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 7px; }
.dashboard aside > small b { display: block; margin-top: 3px; color: var(--mint); font-size: 8px; }
.dashboard-main { padding: 28px; background: linear-gradient(145deg, #f9faf8, #eef6f2); }
.dashboard-greeting { display: flex; justify-content: space-between; align-items: center; }
.dashboard-greeting p { margin: 0; display: grid; gap: 5px; }
.dashboard-greeting p span { color: #8b9591; font-size: 8px; }
.dashboard-greeting p strong { font-size: 15px; }
.dashboard-greeting > i { padding: 7px 9px; color: #347362; border-radius: 999px; background: #dff3ea; font-size: 7px; font-style: normal; }
.dashboard-stats { margin-top: 21px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.dashboard-stats article { min-width: 0; padding: 16px; border: 1px solid rgba(20, 34, 38, .07); border-radius: 13px; background: rgba(255, 255, 255, .86); }
.dashboard-stats span, .dashboard-stats small { display: block; color: #8e9693; font-size: 7px; }
.dashboard-stats b { margin: 10px 0 4px; display: block; font-size: 21px; letter-spacing: -.04em; }
.dashboard-grid { margin-top: 14px; display: grid; grid-template-columns: 1.3fr .7fr; gap: 11px; }
.dashboard-grid > article { min-height: 225px; padding: 17px; border: 1px solid rgba(20, 34, 38, .07); border-radius: 14px; background: rgba(255, 255, 255, .92); }
.dashboard-grid header { margin-bottom: 15px; display: flex; justify-content: space-between; align-items: center; }
.dashboard-grid header b { font-size: 10px; }
.dashboard-grid header span { color: #8e9693; font-size: 7px; }
.service-card > div { padding: 11px 0; display: flex; align-items: center; gap: 10px; border-top: 1px solid #edf0ee; }
.service-card > div > i { width: 30px; height: 30px; display: grid; place-items: center; color: var(--forest); border-radius: 9px; background: var(--pale); font-size: 8px; font-style: normal; font-weight: 700; }
.service-card > div > span { display: grid; gap: 4px; }
.service-card > div b { font-size: 9px; }
.service-card > div small { color: #929896; font-size: 7px; }
.flow-card ol { position: relative; margin: 0; padding: 0; display: grid; gap: 24px; list-style: none; }
.flow-card ol::before { content: ""; position: absolute; top: 12px; bottom: 12px; left: 5px; width: 1px; background: #dfe5e1; }
.flow-card li { position: relative; display: flex; align-items: center; gap: 10px; }
.flow-card li > i { position: relative; z-index: 1; width: 11px; height: 11px; flex: 0 0 11px; border: 2px solid #cdd7d2; border-radius: 50%; background: #fff; }
.flow-card li.done > i, .flow-card li.active > i { border-color: var(--mint); background: var(--mint); }
.flow-card li.active > i { box-shadow: 0 0 0 5px rgba(99, 208, 178, .14); }
.flow-card li > span { display: grid; gap: 3px; }
.flow-card li b { font-size: 8px; }
.flow-card li small { color: #909795; font-size: 7px; }
.floating-chip { position: absolute; z-index: 3; padding: 11px 15px 11px 10px; display: flex; align-items: center; gap: 10px; border: 1px solid rgba(255, 255, 255, .9); border-radius: 15px; background: rgba(255, 255, 255, .88); box-shadow: 0 16px 40px rgba(16, 43, 43, .13); backdrop-filter: blur(14px); }
.floating-chip > i { width: 30px; height: 30px; display: grid; place-items: center; color: var(--forest); border-radius: 10px; background: var(--pale); font-size: 11px; font-style: normal; }
.floating-chip > span { display: grid; gap: 3px; }
.floating-chip small { color: #929795; font-size: 7px; }
.floating-chip b { font-size: 9px; }
.chip-identity { top: 70px; right: -23px; }
.chip-mobile { bottom: 42px; left: -26px; }
.orbit-one, .orbit-two { position: absolute; z-index: 1; border: 1px solid rgba(22, 66, 63, .11); border-radius: 50%; }
.orbit-one { top: 110px; right: -260px; width: 690px; height: 690px; }
.orbit-two { right: -100px; bottom: -260px; width: 510px; height: 510px; }

.proof { min-height: 165px; padding: 33px max(6vw, 34px); display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); align-items: center; gap: 15px; color: #fff; background: var(--deep); }
.proof-intro { display: grid; gap: 8px; }
.proof-intro span { color: var(--mint); font-size: 10px; font-weight: 720; letter-spacing: .12em; }
.proof-intro p { margin: 0; color: rgba(255, 255, 255, .48); font-size: 10px; }
.proof article { min-height: 86px; padding-left: 30px; display: flex; flex-direction: column; justify-content: center; border-left: 1px solid rgba(255, 255, 255, .12); }
.proof article b { font-size: clamp(24px, 2.7vw, 43px); letter-spacing: -.05em; }
.proof article b sup { color: var(--mint); font-size: .52em; }
.proof article span { margin-top: 8px; color: rgba(255, 255, 255, .54); font-size: 9px; }

.section { padding: 120px max(6vw, 34px); }
.section-heading { margin-bottom: 70px; display: grid; grid-template-columns: 1.15fr .85fr; align-items: end; gap: 70px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -35px; }
.section-heading h2, .solution-heading h2, .case-heading h2, .contact h2 { margin: 0; font-size: clamp(43px, 5.2vw, 76px); line-height: 1.03; letter-spacing: -.06em; }
.section-heading > p:last-child, .solution-heading > p:last-child, .case-heading > p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.challenge-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.challenge-grid article { position: relative; min-height: 330px; padding: 28px; overflow: hidden; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s, transform .25s; }
.challenge-grid article:hover { z-index: 2; background: #fff; box-shadow: var(--shadow); transform: translateY(-6px); }
.challenge-grid article > span { color: #919896; font-size: 9px; }
.challenge-grid article > i { margin: 62px 0 25px; width: 51px; height: 51px; display: grid; place-items: center; color: var(--forest); border-radius: 16px; background: var(--pale); font-size: 19px; font-style: normal; }
.challenge-grid h3 { margin: 0; font-size: 22px; letter-spacing: -.03em; }
.challenge-grid p { margin: 15px 0 0; color: var(--muted); font-size: 12px; line-height: 1.75; }

.solution { position: relative; display: grid; grid-template-columns: .8fr 1.2fr; column-gap: 75px; color: #fff; overflow: hidden; background: var(--deep); }
.solution::after { content: ""; position: absolute; top: -310px; right: -230px; width: 760px; height: 760px; border: 1px solid rgba(99, 208, 178, .11); border-radius: 50%; box-shadow: 0 0 0 110px rgba(99, 208, 178, .025), 0 0 0 220px rgba(99, 208, 178, .018); }
.solution-heading { position: relative; z-index: 2; align-self: center; }
.solution-heading > p:last-child { margin-top: 30px; color: rgba(255, 255, 255, .55); }
.solution-map { position: relative; z-index: 2; min-height: 560px; display: grid; place-items: center; }
.map-ring { position: absolute; border: 1px solid rgba(255, 255, 255, .16); border-radius: 50%; }
.ring-outer { width: 510px; height: 510px; animation: slow-spin 55s linear infinite; }
.ring-middle { width: 345px; height: 345px; animation: slow-spin 38s linear infinite reverse; }
.map-ring span { position: absolute; padding: 9px 12px; color: rgba(255, 255, 255, .7); border: 1px solid rgba(255, 255, 255, .12); border-radius: 999px; background: var(--deep); font-size: 8px; animation: counter-spin 55s linear infinite; }
.ring-outer span:first-child { top: -15px; left: 50%; }
.ring-outer span:nth-child(2) { top: 50%; right: -24px; }
.ring-outer span:nth-child(3) { bottom: -15px; left: 45%; }
.ring-outer span:last-child { top: 48%; left: -25px; }
.ring-middle span { animation-direction: reverse; animation-duration: 38s; }
.ring-middle span:first-child { top: 20px; left: 28px; }
.ring-middle span:nth-child(2) { top: 24px; right: 22px; }
.ring-middle span:nth-child(3) { right: 19px; bottom: 24px; }
.ring-middle span:last-child { bottom: 23px; left: 22px; }
.map-core { position: relative; width: 225px; height: 225px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; border: 1px solid rgba(255, 255, 255, .25); border-radius: 50%; background: radial-gradient(circle at 38% 22%, rgba(255, 255, 255, .18), transparent 34%), linear-gradient(145deg, #246158, #123b38); box-shadow: 0 0 75px rgba(99, 208, 178, .18); }
.map-core small { color: var(--mint); font-size: 8px; font-weight: 720; letter-spacing: .18em; }
.map-core b { margin-top: 12px; font-size: 24px; line-height: 1.2; letter-spacing: -.04em; }
.map-core i { margin-top: 16px; padding: 7px 10px; color: rgba(255, 255, 255, .65); border-radius: 999px; background: rgba(255, 255, 255, .08); font-size: 7px; font-style: normal; }
.solution-steps { position: relative; z-index: 2; grid-column: 1 / -1; margin-top: 70px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255, 255, 255, .13); border-left: 1px solid rgba(255, 255, 255, .13); }
.solution-steps article { min-height: 245px; padding: 26px; border-right: 1px solid rgba(255, 255, 255, .13); border-bottom: 1px solid rgba(255, 255, 255, .13); }
.solution-steps article > span { color: var(--mint); font-size: 9px; }
.solution-steps h3 { margin: 51px 0 0; font-size: 21px; }
.solution-steps p { min-height: 55px; margin: 14px 0 24px; color: rgba(255, 255, 255, .48); font-size: 11px; line-height: 1.75; }
.solution-steps b { color: rgba(255, 255, 255, .72); font-size: 8px; font-weight: 650; letter-spacing: .05em; }
@keyframes slow-spin { to { transform: rotate(360deg); } }
@keyframes counter-spin { to { transform: rotate(-360deg); } }

.section-heading.compact { grid-template-columns: 1fr; }
.section-heading.compact .eyebrow { grid-column: auto; margin-bottom: -35px; }
.scenario-stage { display: grid; grid-template-columns: 1.45fr .55fr; gap: 16px; }
.scenario-main { min-height: 520px; padding: 38px; display: grid; grid-template-columns: 175px 1fr; gap: 30px 50px; border-radius: 28px; background: linear-gradient(145deg, #f0eee7, #f8f4ec); }
.scenario-label { display: flex; flex-direction: column; justify-content: space-between; }
.scenario-label span { color: #8c948f; font-size: 10px; }
.scenario-label b { color: var(--forest); font-size: 19px; }
.scenario-copy h3 { margin: 0; font-size: clamp(35px, 4vw, 56px); line-height: 1.05; letter-spacing: -.055em; }
.scenario-copy p { max-width: 580px; margin: 25px 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.scenario-copy ul { margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.scenario-copy li { padding: 8px 11px; border: 1px solid rgba(22, 66, 63, .14); border-radius: 999px; color: var(--forest); font-size: 8px; font-weight: 650; }
.scenario-flow { grid-column: 1 / -1; padding: 25px; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 15px; border: 1px solid rgba(22, 66, 63, .1); border-radius: 20px; background: rgba(255, 255, 255, .62); }
.scenario-flow > div { display: grid; gap: 8px; }
.scenario-flow span { color: #8b928f; font-size: 8px; }
.scenario-flow b { font-size: 13px; }
.scenario-flow i { width: fit-content; padding: 5px 8px; color: #437565; border-radius: 999px; background: var(--pale); font-size: 7px; font-style: normal; }
.scenario-flow em { color: #aab1ae; font-style: normal; }
.scenario-list { display: grid; gap: 16px; }
.scenario-list article { min-height: 162px; padding: 24px; border: 1px solid var(--line); border-radius: 22px; transition: transform .2s, border .2s; }
.scenario-list article:hover { border-color: rgba(22, 66, 63, .35); transform: translateX(-5px); }
.scenario-list span { color: #9aa09d; font-size: 8px; }
.scenario-list i { float: right; padding: 6px 8px; color: var(--forest); border-radius: 8px; background: var(--pale); font-size: 7px; font-style: normal; }
.scenario-list h3 { margin: 34px 0 8px; font-size: 17px; }
.scenario-list p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.6; }

.case { background: #f5f4f0; }
.case-heading { margin-bottom: 64px; display: grid; grid-template-columns: 1fr .6fr; align-items: end; gap: 70px; }
.case-heading > p { padding-bottom: 7px; }
.case-panel { overflow: hidden; border: 1px solid var(--line); border-radius: 29px; background: var(--paper); box-shadow: var(--shadow); }
.case-panel > header { min-height: 78px; padding: 15px 25px; display: flex; align-items: center; gap: 13px; border-bottom: 1px solid var(--line); }
.case-panel > header > span { display: flex; align-items: center; gap: 8px; font-size: 10px; font-weight: 650; }
.case-panel > header i { width: 32px; height: 32px; display: grid; place-items: center; color: #fff; border-radius: 9px; background: var(--deep); font-family: Georgia, "Songti SC", serif; font-style: normal; }
.case-panel > header span:first-child i { color: var(--deep); background: var(--mint); }
.case-panel > header em { color: #adb2b0; font-style: normal; }
.case-panel > header a { margin-left: auto; padding: 11px 13px; border: 1px solid var(--line); border-radius: 11px; font-size: 8px; font-weight: 650; }
.case-panel > header a:hover { color: #fff; background: var(--deep); }
.case-columns { padding: 46px; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 34px; }
.case-columns > article > span { color: var(--coral); font-size: 8px; font-weight: 750; letter-spacing: .14em; }
.case-columns h3 { margin: 34px 0 14px; font-size: 21px; letter-spacing: -.035em; }
.case-columns p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
.case-columns > i { align-self: center; color: #adb3b0; font-style: normal; }
.case-panel blockquote { margin: 0; padding: 36px 46px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #fff; background: var(--deep); font-family: Georgia, "Songti SC", serif; font-size: clamp(22px, 3.2vw, 44px); }
.case-panel blockquote small { color: rgba(255, 255, 255, .47); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif; font-size: 8px; font-weight: 500; }

.delivery { display: grid; grid-template-columns: .8fr 1.2fr; gap: 85px; }
.delivery .section-heading { align-self: start; }
.delivery-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.delivery-list li { min-height: 126px; display: grid; grid-template-columns: 50px 1fr auto; align-items: center; gap: 25px; border-bottom: 1px solid var(--line); }
.delivery-list li > span { color: var(--coral); font-size: 9px; }
.delivery-list h3 { margin: 0; font-size: 18px; }
.delivery-list p { margin: 8px 0 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
.delivery-list i { padding: 8px 10px; color: var(--forest); border-radius: 999px; background: var(--pale); font-size: 8px; font-style: normal; }

.contact { padding: 110px max(6vw, 34px); display: grid; grid-template-columns: 1fr 470px; gap: 85px; color: #fff; background: radial-gradient(circle at 5% 4%, rgba(99, 208, 178, .15), transparent 30%), var(--deep); }
.contact-copy { align-self: center; }
.contact-copy > p:not(.eyebrow) { max-width: 640px; margin: 28px 0 0; color: rgba(255, 255, 255, .54); font-size: 13px; line-height: 1.85; }
.official-contact { margin-top: 45px; padding-top: 24px; display: flex; flex-wrap: wrap; gap: 15px 35px; border-top: 1px solid rgba(255, 255, 255, .12); }
.official-contact a { display: grid; gap: 8px; }
.official-contact small { color: rgba(255, 255, 255, .4); font-size: 8px; }
.official-contact b { color: var(--mint); font-size: 11px; }
.contact-form { padding: 30px; color: var(--ink); border-radius: 27px; background: #fff; box-shadow: 0 35px 80px rgba(0, 0, 0, .2); }
.contact-form header { margin-bottom: 26px; display: grid; gap: 8px; }
.contact-form header span { color: var(--coral); font-size: 8px; font-weight: 720; letter-spacing: .12em; }
.contact-form header b { font-size: 23px; }
.contact-form label { margin-top: 15px; display: grid; gap: 8px; color: #687270; font-size: 9px; font-weight: 650; }
.contact-form input, .contact-form textarea { width: 100%; padding: 13px 14px; color: var(--ink); border: 1px solid #dfe4e1; border-radius: 11px; outline: none; background: #fafbf9; font-size: 11px; resize: vertical; transition: border .2s, box-shadow .2s; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--forest); box-shadow: 0 0 0 4px rgba(22, 66, 63, .08); }
.contact-form button { width: 100%; min-height: 51px; margin-top: 19px; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; color: #fff; border: 0; border-radius: 12px; background: var(--deep); font-size: 11px; font-weight: 680; }
.contact-form button:hover { background: var(--forest); }
.contact-form > small { margin-top: 13px; display: block; color: #9aa09d; font-size: 7px; line-height: 1.6; }
.form-status { min-height: 17px; margin: 11px 0 -4px; color: #31715f; font-size: 9px; font-weight: 650; }

.site-footer { min-height: 118px; padding: 27px max(6vw, 34px); display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 40px; border-top: 1px solid var(--line); background: var(--paper); }
.footer-brand { width: fit-content; }
.site-footer > p, .site-footer > span { color: #939a97; font-size: 8px; }
.site-footer > span { text-align: right; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

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

@media (max-width: 1100px) {
  .hero { min-height: auto; grid-template-columns: 1fr 1.2fr; gap: 30px; }
  .hero h1 { font-size: clamp(58px, 8vw, 82px); }
  .dashboard { height: 430px; grid-template-columns: 100px 1fr; }
  .dashboard-main { padding: 21px; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .dashboard-grid > article { min-height: auto; }
  .flow-card { display: none; }
  .solution-map { transform: scale(.82); }
  .contact { grid-template-columns: 1fr 420px; gap: 55px; }
}

@media (max-width: 850px) {
  .site-header { gap: 16px; }
  .site-header nav { position: absolute; top: 74px; right: 0; left: 0; padding: 14px; display: none; border: 1px solid var(--line); border-radius: 17px; background: rgba(255, 253, 250, .97); box-shadow: 0 20px 50px rgba(22, 50, 47, .13); }
  .site-header nav.open { display: grid; }
  .site-header nav a { padding: 12px; }
  .header-cta { display: none; }
  .menu-button { margin-left: auto; width: 42px; height: 42px; display: grid; place-content: center; gap: 4px; border-radius: 11px; background: #f1f2ef; }
  .menu-button > span { width: 17px; height: 1.5px; background: var(--ink); }
  .hero { padding-top: 135px; grid-template-columns: 1fr; }
  .hero-copy { max-width: 650px; }
  .hero-visual { width: min(680px, 100%); margin: 25px auto 0; }
  .proof { grid-template-columns: repeat(3, 1fr); }
  .proof-intro { grid-column: 1 / -1; }
  .section-heading, .case-heading { grid-template-columns: 1fr; gap: 27px; }
  .section-heading .eyebrow { margin-bottom: 0; }
  .challenge-grid, .solution-steps { grid-template-columns: repeat(2, 1fr); }
  .solution { grid-template-columns: 1fr; }
  .solution-map { min-height: 510px; transform: scale(.82); }
  .scenario-stage { grid-template-columns: 1fr; }
  .scenario-list { grid-template-columns: repeat(3, 1fr); }
  .case-columns { grid-template-columns: 1fr; }
  .case-columns > i { transform: rotate(90deg); }
  .case-panel blockquote { align-items: flex-start; flex-direction: column; }
  .delivery { grid-template-columns: 1fr; gap: 20px; }
  .contact { grid-template-columns: 1fr; }
  .contact-form { max-width: 620px; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .site-footer > p { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 560px) {
  .site-header { top: 8px; width: calc(100% - 16px); min-height: 58px; padding-left: 12px; border-radius: 16px; }
  .brand { gap: 7px; }
  .brand-mark { width: 31px; height: 31px; flex-basis: 31px; }
  .brand strong { font-size: 11px; }
  .brand small { font-size: 6px; }
  .site-header > .brand em, .site-header > .brand > span:last-child { display: none; }
  .hero { padding: 115px 18px 62px; }
  .hero h1 { font-size: clamp(52px, 17vw, 72px); }
  .hero-lead { margin-top: 30px; font-size: 15px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .browser-shell { border-radius: 20px; transform: none; }
  .browser-shell > header { grid-template-columns: 1fr auto; }
  .browser-shell > header b { display: none; }
  .dashboard { height: 345px; grid-template-columns: 1fr; }
  .dashboard > aside { display: none; }
  .dashboard-main { padding: 17px; }
  .dashboard-stats article { padding: 12px; }
  .dashboard-stats b { font-size: 17px; }
  .dashboard-grid > article { padding: 13px; }
  .service-card > div { padding: 8px 0; }
  .floating-chip { display: none; }
  .proof { padding: 27px 18px; grid-template-columns: 1fr 1fr; }
  .proof article { padding-left: 16px; }
  .proof article:last-child { grid-column: 1 / -1; }
  .section { padding: 80px 18px; }
  .section-heading { margin-bottom: 45px; }
  .section-heading h2, .solution-heading h2, .case-heading h2, .contact h2 { font-size: clamp(38px, 12vw, 52px); }
  .challenge-grid, .solution-steps { grid-template-columns: 1fr; }
  .challenge-grid article { min-height: 270px; }
  .solution-map { min-height: 400px; transform: scale(.66); margin: -30px -100px; }
  .solution-steps { margin-top: 20px; }
  .scenario-main { padding: 25px; grid-template-columns: 1fr; }
  .scenario-label { flex-direction: row; }
  .scenario-flow { grid-column: auto; padding: 17px; grid-template-columns: 1fr; }
  .scenario-flow em { transform: rotate(90deg); text-align: center; }
  .scenario-list { grid-template-columns: 1fr; }
  .case-panel > header { flex-wrap: wrap; }
  .case-panel > header a { width: 100%; margin-left: 0; text-align: center; }
  .case-columns { padding: 28px; }
  .case-panel blockquote { padding: 30px 28px; }
  .delivery-list li { grid-template-columns: 40px 1fr; padding: 17px 0; }
  .delivery-list i { display: none; }
  .contact { padding: 80px 18px; }
  .official-contact { display: grid; }
  .contact-form { padding: 23px; }
  .site-footer { padding: 25px 18px; grid-template-columns: 1fr; }
  .site-footer > p { grid-column: auto; grid-row: auto; }
  .site-footer > span { text-align: left; }
}

/* Qingflow brand and Xiao Q visual system */
.site-header { border-color: rgba(89, 113, 190, .14); background: rgba(255, 255, 255, .9); box-shadow: 0 18px 50px rgba(40, 64, 128, .12); }
.brand-logo { width: 112px; height: auto; display: block; }
.client-solution-tag { padding-left: 19px; display: grid; gap: 3px; border-left: 1px solid rgba(24, 33, 58, .13); }
.client-solution-tag small { color: #8a93a7; font-size: 7px; font-weight: 680; letter-spacing: .1em; }
.client-solution-tag b { color: #26314c; font-size: 11px; font-weight: 680; }
.site-header nav a { color: #59637b; }

.hero { grid-template-columns: .8fr 1.2fr; background: radial-gradient(circle at 11% 19%, rgba(255, 205, 125, .18), transparent 28%), radial-gradient(circle at 92% 62%, rgba(111, 208, 214, .2), transparent 31%), radial-gradient(circle at 67% 5%, rgba(118, 139, 249, .1), transparent 25%), linear-gradient(145deg, #fbfaff 0%, #fff 53%, #f1f7ff 100%); }
.hero::before { background-image: linear-gradient(rgba(42, 78, 168, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(42, 78, 168, .045) 1px, transparent 1px); }
.hero h1 em { color: #3159be; }
.hero h1 em::after { border-color: var(--coral); }
.hero-visual { height: 590px; min-width: 0; }
.hero-visual .browser-shell { position: absolute; left: 0; bottom: 15px; width: 91%; opacity: .94; box-shadow: 0 45px 110px rgba(42, 74, 150, .18); transform: perspective(1400px) rotateY(-3deg) rotateX(1deg); }
.hero-xiaoq { position: absolute; z-index: 4; right: -25px; bottom: -7px; width: 46%; height: auto; filter: drop-shadow(0 35px 34px rgba(27, 53, 118, .24)); pointer-events: none; }
.q-message { position: absolute; top: 23px; right: 7px; z-index: 6; padding: 12px 16px 12px 11px; display: flex; align-items: center; gap: 10px; border: 1px solid rgba(255, 255, 255, .92); border-radius: 16px; background: rgba(255, 255, 255, .9); box-shadow: 0 20px 48px rgba(45, 75, 147, .17); backdrop-filter: blur(15px); }
.q-message > i { width: 33px; height: 33px; display: grid; place-items: center; color: #fff; border-radius: 11px; background: linear-gradient(145deg, #7788fa, #3f64d4); font-size: 12px; font-style: normal; font-weight: 760; }
.q-message > span { display: grid; gap: 3px; }
.q-message small { color: #939bad; font-size: 7px; }
.q-message b { font-size: 9px; }
.hero-visual .chip-identity { top: 120px; right: auto; left: -22px; }
.hero-visual .chip-mobile { bottom: 24px; left: 14px; }
.floating-chip > i { color: #3159be; background: #e8efff; }
.dashboard > aside { background: #142d68; }
.dashboard aside nav span.active { background: rgba(112, 210, 212, .18); }
.dashboard-main { background: linear-gradient(145deg, #fafbff, #eef4ff); }
.service-card > div > i { color: #3159be; background: #e9efff; }
.dashboard-greeting > i, .scenario-flow i { color: #3159be; background: #e9efff; }
.flow-card li.done > i, .flow-card li.active > i { border-color: #6fcfd4; background: #6fcfd4; }
.flow-card li.active > i { box-shadow: 0 0 0 5px rgba(111, 207, 212, .16); }
.proof { background: linear-gradient(110deg, #12295f, #1b3b88); }
.proof-intro span, .proof article b sup { color: #83e0dd; }

.solution { background: radial-gradient(circle at 82% 28%, rgba(112, 210, 212, .12), transparent 30%), linear-gradient(125deg, #12295f, #183679 62%, #214494); }
.map-core { background: radial-gradient(circle at 38% 22%, rgba(255, 255, 255, .18), transparent 34%), linear-gradient(145deg, #476ed6, #233f93); box-shadow: 0 0 75px rgba(112, 210, 212, .2); }
.map-core small { color: #8fe3df; }

.q-flow-summary { padding: 78px max(6vw, 34px); display: grid; grid-template-columns: .72fr 1.28fr; gap: 72px; align-items: start; background: radial-gradient(circle at 4% 12%, rgba(255, 191, 116, .12), transparent 28%), linear-gradient(145deg, #fafbff, #fff 64%, #f3f8ff); border-bottom: 1px solid rgba(55, 77, 130, .08); }
.q-flow-heading { padding-top: 42px; }
.q-flow-heading h2 { margin: 0; color: #17213d; font-size: clamp(48px, 5.5vw, 78px); line-height: .98; letter-spacing: -.065em; }
.q-flow-heading > p:last-child { max-width: 430px; margin: 24px 0 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
.q-flow-steps { border-top: 1px solid rgba(46, 64, 108, .14); }
.q-flow-steps article { min-height: 116px; padding: 23px 0; display: grid; grid-template-columns: 44px 1fr 34px; gap: 18px; align-items: center; border-bottom: 1px solid rgba(46, 64, 108, .14); }
.q-flow-steps article > span { color: #5570d2; font-size: 9px; font-weight: 720; letter-spacing: .08em; }
.q-flow-steps article > div { display: grid; gap: 7px; }
.q-flow-steps article b { color: #17213d; font-size: 18px; }
.q-flow-steps article small { color: var(--muted); font-size: 10px; line-height: 1.6; }
.q-flow-steps article > i { width: 30px; height: 30px; display: grid; place-items: center; color: #5570d2; border-radius: 50%; background: #edf1ff; font-size: 11px; font-style: normal; }

.case-panel > header .case-qingflow { min-width: 74px; }
.case-panel > header .case-qingflow img { width: 69px; height: auto; display: block; }
.case-panel blockquote { background: linear-gradient(110deg, #132c67, #1d4397); }
.contact { background: radial-gradient(circle at 5% 4%, rgba(112, 210, 212, .15), transparent 30%), linear-gradient(125deg, #11295f, #1b3d88); }
.footer-brand { gap: 20px; }
.footer-brand .brand-logo { width: 96px; }

@media (max-width: 1100px) {
  .hero-visual { height: 520px; }
  .hero-xiaoq { width: 47%; }
}

@media (max-width: 850px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { height: 570px; }
  .hero-xiaoq { width: min(330px, 46%); }
  .client-solution-tag { margin-left: 4px; }
  .q-flow-summary { grid-template-columns: 1fr; gap: 42px; }
  .q-flow-heading { padding-top: 0; }
}

@media (max-width: 560px) {
  .brand-logo { width: 91px; }
  .client-solution-tag { display: none; }
  .hero-visual { height: 500px; }
  .hero-visual .browser-shell { left: 0; bottom: 8px; width: 100%; transform: none; }
  .hero-xiaoq { right: -23px; bottom: -10px; width: 46%; }
  .q-message { top: 29px; right: 0; padding: 9px 11px 9px 8px; }
  .q-message > i { width: 27px; height: 27px; }
  .hero-visual .chip-identity { top: 116px; left: -4px; }
  .hero-visual .chip-mobile { display: none; }
  .q-flow-summary { padding: 64px 18px; }
  .q-flow-heading h2 { font-size: clamp(44px, 14vw, 60px); }
  .q-flow-steps article { min-height: 105px; grid-template-columns: 34px 1fr 30px; gap: 12px; }
  .case-panel > header .case-qingflow { min-width: 64px; }
  .case-panel > header .case-qingflow img { width: 63px; }
}