:root {
  --ink: #0b1f2a;
  --ink-soft: #36505c;
  --mint: #dceee7;
  --mint-deep: #0f766e;
  --coral: #ef6a4f;
  --coral-dark: #ce4f38;
  --paper: #f5f8f6;
  --white: #ffffff;
  --line: #d8e3df;
  --muted: #71828a;
  --shadow: 0 22px 60px rgba(11, 31, 42, 0.1);
  --radius-lg: 24px;
  --radius-md: 14px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
body, button, input { font-size: 16px; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
.page-shell { overflow: hidden; }
.section-pad { width: min(1180px, calc(100% - 56px)); margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; height: 82px; padding: 0 max(28px, calc((100vw - 1280px) / 2)); background: rgba(245, 248, 246, 0.92); border-bottom: 1px solid rgba(216, 227, 223, 0.8); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: 176px; }
.brand-mark { display: grid; grid-template-columns: repeat(2, 10px); grid-template-rows: repeat(2, 10px); gap: 3px; width: 26px; height: 26px; padding: 3px; background: var(--coral); border-radius: 7px; transform: rotate(-8deg); }
.brand-mark span { display: block; background: var(--white); border-radius: 2px; }
.brand-mark span:nth-child(2), .brand-mark span:nth-child(3) { opacity: .68; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.05; }
.brand-copy strong { font-size: 15px; letter-spacing: .04em; }
.brand-copy small { margin-top: 4px; color: var(--muted); font-size: 10px; letter-spacing: .12em; }
.site-nav { display: flex; align-items: center; gap: 34px; margin-left: auto; margin-right: 38px; }
.site-nav a { position: relative; padding: 8px 0; color: var(--ink-soft); font-size: 14px; transition: color .2s var(--ease); }
.site-nav a::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 2px; background: var(--coral); transform: scaleX(0); transform-origin: right; transition: transform .25s var(--ease); }
.site-nav a:hover, .site-nav a.is-active { color: var(--ink); }
.site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); transform-origin: left; }
.header-cta { display: inline-flex; align-items: center; gap: 8px; padding: 11px 17px; color: var(--white); background: var(--ink); border-radius: 999px; font-size: 13px; transition: background .2s var(--ease), transform .2s var(--ease); }
.header-cta:hover { background: var(--coral); transform: translateY(-2px); }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 11px 9px; border: 1px solid var(--line); border-radius: 50%; background: var(--white); }
.menu-toggle span { display: block; width: 20px; height: 2px; margin: 4px auto; background: var(--ink); }

.hero { display: grid; grid-template-columns: minmax(0, .92fr) minmax(420px, 1.08fr); gap: 72px; align-items: center; min-height: 690px; padding-top: 84px; padding-bottom: 84px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 20px; color: var(--mint-deep); font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow-dot { width: 8px; height: 8px; background: var(--coral); border-radius: 50%; box-shadow: 0 0 0 5px rgba(239, 106, 79, .13); }
.hero h1 { max-width: 600px; margin: 0; font-size: clamp(42px, 5.2vw, 76px); line-height: 1.08; letter-spacing: -.04em; font-weight: 700; }
h1 em { display: block; color: var(--coral); font-style: normal; }
.hero-lede { max-width: 510px; margin: 28px 0 0; color: var(--ink-soft); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 0 20px; border: 0; border-radius: 999px; font-size: 14px; font-weight: 700; transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease); }
.button span { font-size: 18px; line-height: 1; }
.button-primary { color: var(--white); background: var(--coral); box-shadow: 0 10px 22px rgba(239, 106, 79, .2); }
.button-primary:hover { background: var(--coral-dark); transform: translateY(-3px); box-shadow: 0 16px 28px rgba(239, 106, 79, .28); }
.button-quiet { color: var(--ink); background: transparent; border: 1px solid var(--line); }
.button-quiet:hover { border-color: var(--ink); transform: translateY(-3px); }
.hero-notes { display: flex; flex-wrap: wrap; gap: 17px 25px; margin-top: 46px; color: var(--muted); font-size: 12px; }
.hero-notes span { display: inline-flex; align-items: center; gap: 7px; }
.hero-notes b { color: var(--coral); font-size: 10px; letter-spacing: .08em; }

.hero-visual { position: relative; min-height: 500px; padding: 26px; background: var(--ink); border-radius: 28px; box-shadow: var(--shadow); isolation: isolate; }
.hero-visual::before { content: ""; position: absolute; inset: 13px; border: 1px solid rgba(220, 238, 231, .18); border-radius: 20px; pointer-events: none; }
.hero-visual img { display: block; width: 100%; height: 448px; border-radius: 17px; object-fit: cover; opacity: .9; }
.visual-label { position: absolute; top: 42px; left: 48px; z-index: 2; color: rgba(255,255,255,.72); font-size: 10px; letter-spacing: .18em; }
.visual-label span { margin-left: 12px; color: #9ce2bd; letter-spacing: .1em; }
.visual-panel { position: absolute; z-index: 2; display: flex; flex-direction: column; gap: 4px; padding: 15px 17px; background: rgba(11, 31, 42, .88); border: 1px solid rgba(220, 238, 231, .2); border-radius: 12px; color: var(--white); box-shadow: 0 12px 30px rgba(0,0,0,.18); backdrop-filter: blur(8px); }
.visual-panel-top { top: 100px; right: 46px; min-width: 205px; }
.visual-panel-bottom { right: 46px; bottom: 48px; flex-direction: row; align-items: flex-end; gap: 28px; }
.panel-kicker { color: rgba(255,255,255,.56); font-size: 10px; letter-spacing: .08em; }
.visual-panel strong { font-size: 15px; letter-spacing: .04em; }
.panel-status { display: flex; align-items: center; gap: 6px; margin-top: 4px; color: #a6e5c3; font-size: 10px; }
.panel-status i { width: 6px; height: 6px; background: #66d391; border-radius: 50%; }
.mini-bars { display: flex; align-items: flex-end; gap: 4px; height: 28px; }
.mini-bars i { width: 4px; background: var(--coral); border-radius: 5px 5px 0 0; }
.mini-bars i:nth-child(1) { height: 10px; opacity: .6; }.mini-bars i:nth-child(2) { height: 16px; opacity: .7; }.mini-bars i:nth-child(3) { height: 13px; opacity: .75; }.mini-bars i:nth-child(4) { height: 22px; }.mini-bars i:nth-child(5) { height: 17px; opacity: .8; }.mini-bars i:nth-child(6) { height: 26px; }.mini-bars i:nth-child(7) { height: 22px; opacity: .85; }
.visual-callout { position: absolute; z-index: 2; display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.76); font-size: 10px; }
.visual-callout span { display: grid; place-items: center; width: 22px; height: 22px; color: var(--ink); background: #9ce2bd; border-radius: 50%; font-size: 9px; font-weight: 700; }
.callout-one { top: 238px; left: 48px; }.callout-two { bottom: 128px; left: 80px; }.callout-two span { background: var(--coral); color: var(--white); }

.signal-strip { display: grid; grid-template-columns: repeat(4, 1fr); width: 100%; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.signal-strip > div { display: grid; grid-template-columns: 34px 1fr; column-gap: 11px; align-items: center; min-height: 102px; padding: 18px max(22px, calc((100vw - 1180px) / 8)); border-right: 1px solid var(--line); }
.signal-strip > div:last-child { border-right: 0; }
.signal-icon { grid-row: span 2; display: grid; place-items: center; width: 31px; height: 31px; color: var(--coral); border: 1px solid rgba(239,106,79,.35); border-radius: 10px; font-size: 17px; }
.signal-strip strong { font-size: 14px; }.signal-strip small { color: var(--muted); font-size: 11px; }

.product-section { padding-top: 125px; padding-bottom: 128px; }
.section-heading { display: grid; grid-template-columns: 1fr .75fr; gap: 80px; align-items: end; margin-bottom: 58px; }
.section-heading h2, .workflow-copy h2, .about-copy h2, .contact-card h2 { margin: 0; font-size: clamp(33px, 4vw, 57px); line-height: 1.12; letter-spacing: -.04em; }
h2 span { color: var(--mint-deep); }
.section-intro { max-width: 420px; margin: 0 0 5px; color: var(--ink-soft); font-size: 15px; line-height: 1.85; }
.feature-grid { display: grid; grid-template-columns: 1.1fr .9fr .9fr; grid-template-rows: auto auto; gap: 16px; }
.feature-card { position: relative; min-height: 260px; padding: 25px 26px 23px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease); }
.feature-card:hover { transform: translateY(-7px); border-color: rgba(15,118,110,.25); box-shadow: 0 18px 34px rgba(11,31,42,.08); }
.feature-card-large { grid-row: span 2; min-height: 536px; background: var(--mint); border-color: transparent; }
.feature-card-dark { color: var(--white); background: var(--ink); border-color: var(--ink); }
.card-index { color: var(--coral); font-size: 11px; font-weight: 700; letter-spacing: .14em; }.feature-card-dark .card-index { color: #9ce2bd; }
.feature-symbol { position: absolute; top: 25px; right: 24px; display: grid; place-items: center; width: 46px; height: 46px; color: var(--coral); border: 1px solid currentColor; border-radius: 14px; }
.symbol-route { grid-template-columns: repeat(3, 5px); gap: 5px; align-items: end; padding: 12px; }.symbol-route i { display: block; width: 5px; background: currentColor; border-radius: 4px; }.symbol-route i:nth-child(1) { height: 12px; opacity: .5; }.symbol-route i:nth-child(2) { height: 23px; opacity: .75; }.symbol-route i:nth-child(3) { height: 16px; }
.symbol-signal { grid-template-columns: repeat(4, 4px); gap: 4px; align-items: end; padding: 12px; }.symbol-signal i { width: 4px; background: currentColor; border-radius: 4px; }.symbol-signal i:nth-child(1) { height: 10px; opacity: .4; }.symbol-signal i:nth-child(2) { height: 18px; opacity: .6; }.symbol-signal i:nth-child(3) { height: 25px; opacity: .8; }.symbol-signal i:nth-child(4) { height: 15px; }
.symbol-stack { gap: 3px; padding: 11px; }.symbol-stack i { width: 23px; height: 7px; border: 2px solid currentColor; border-radius: 5px; transform: skewX(-20deg); }.symbol-stack i:nth-child(2) { transform: translateX(-3px) skewX(-20deg); opacity: .7; }.symbol-stack i:nth-child(3) { transform: translateX(-6px) skewX(-20deg); opacity: .45; }
.symbol-shield { color: #9ce2bd; font-size: 23px; font-weight: 700; }
.feature-card h3 { margin: 59px 0 10px; font-size: 22px; letter-spacing: -.02em; }.feature-card-large h3 { margin-top: 222px; font-size: 31px; }.feature-card p { max-width: 290px; margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.8; }.feature-card-dark p { color: rgba(255,255,255,.7); }
.text-link { position: absolute; bottom: 23px; left: 26px; display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-size: 12px; font-weight: 700; }.feature-card-dark .text-link { color: var(--white); }.text-link span { color: var(--coral); font-size: 17px; transition: transform .2s var(--ease); }.text-link:hover span { transform: translateX(4px); }

.workflow-section { background: var(--ink); color: var(--white); }.workflow-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 98px; align-items: center; padding-top: 125px; padding-bottom: 125px; }.workflow-copy .eyebrow { color: #9ce2bd; }.workflow-copy h2 span { color: #9ce2bd; }.workflow-copy > p:not(.eyebrow) { max-width: 445px; margin: 26px 0 0; color: rgba(255,255,255,.68); font-size: 15px; line-height: 1.85; }
.steps { display: grid; gap: 10px; margin: 40px 0 0; padding: 0; list-style: none; }.step { display: grid; grid-template-columns: 40px 1fr; gap: 15px; align-items: center; padding: 13px 14px; border: 1px solid transparent; border-radius: 12px; color: rgba(255,255,255,.52); cursor: pointer; transition: color .2s var(--ease), background .2s var(--ease), border .2s var(--ease); }.step > span { font-size: 11px; letter-spacing: .08em; }.step strong, .step small { display: block; }.step strong { font-size: 14px; color: inherit; }.step small { margin-top: 2px; font-size: 11px; }.step.is-active { color: var(--white); background: rgba(220,238,231,.1); border-color: rgba(156,226,189,.35); }.step.is-active > span { color: var(--coral); }
.demo-console { overflow: hidden; background: #f2f6f3; border-radius: 20px; color: var(--ink); box-shadow: 0 26px 60px rgba(0,0,0,.22); }.console-head { display: flex; align-items: center; justify-content: space-between; min-height: 54px; padding: 0 21px; color: var(--ink-soft); border-bottom: 1px solid var(--line); font-size: 12px; }.console-dots { display: flex; gap: 5px; }.console-dots i { width: 7px; height: 7px; border-radius: 50%; background: #c1cfca; }.console-dots i:first-child { background: var(--coral); }.console-help { color: var(--mint-deep); font-size: 10px; }.console-body { padding: 35px 38px 31px; }.console-label { margin: 0 0 9px; color: var(--ink-soft); font-size: 12px; }.demo-input-wrap { display: flex; align-items: center; gap: 10px; height: 55px; padding: 0 16px; background: var(--white); border: 1px solid var(--line); border-radius: 10px; }.demo-input-wrap > span { color: var(--coral); font-size: 18px; }.demo-input-wrap:focus-within { border-color: var(--mint-deep); box-shadow: 0 0 0 3px rgba(15,118,110,.1); }.demo-input-wrap input { min-width: 0; flex: 1; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 14px; }.demo-button { width: 100%; margin-top: 13px; border-radius: 9px; }.demo-result { display: flex; align-items: center; gap: 12px; margin-top: 22px; padding: 14px; background: var(--mint); border: 1px solid rgba(15,118,110,.14); border-radius: 10px; }.result-icon { display: grid; place-items: center; width: 32px; height: 32px; color: var(--white); background: var(--mint-deep); border-radius: 8px; }.demo-result div:nth-child(2) { display: flex; flex: 1; flex-direction: column; }.demo-result span { color: var(--ink-soft); font-size: 10px; }.demo-result strong { font-size: 14px; letter-spacing: .03em; }.copy-button { padding: 5px 8px; color: var(--mint-deep); background: transparent; border: 0; font-size: 11px; font-weight: 700; }.copy-button:hover { color: var(--coral-dark); }.console-tip { min-height: 20px; margin: 13px 0 0; color: var(--muted); font-size: 11px; }

.scenario-section { padding-top: 124px; padding-bottom: 124px; }.compact-heading { grid-template-columns: 1fr .7fr; margin-bottom: 42px; }.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }.scenario-item { display: grid; grid-template-columns: 31px 1fr 22px; gap: 13px; align-items: start; min-height: 155px; padding: 23px; background: var(--white); border: 1px solid var(--line); border-radius: 14px; transition: transform .25s var(--ease), box-shadow .25s var(--ease); }.scenario-item:hover { transform: translateY(-5px); box-shadow: 0 16px 30px rgba(11,31,42,.07); }.scenario-no { display: grid; place-items: center; width: 27px; height: 27px; color: var(--coral); background: #fff1ed; border-radius: 8px; font-size: 11px; font-weight: 700; }.scenario-item h3 { margin: 2px 0 7px; font-size: 18px; }.scenario-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }.scenario-arrow { color: var(--coral); font-size: 18px; }

.about-section { background: var(--mint); }.about-inner { display: grid; grid-template-columns: .55fr 1.1fr .75fr; gap: 45px; align-items: center; min-height: 390px; padding-top: 80px; padding-bottom: 80px; }.about-mark { position: relative; width: 150px; height: 150px; border: 1px solid rgba(15,118,110,.35); border-radius: 50%; transform: rotate(-12deg); }.about-mark::before, .about-mark::after { content: ""; position: absolute; background: var(--mint-deep); }.about-mark::before { top: 50%; left: 17px; width: 116px; height: 1px; }.about-mark::after { top: 17px; left: 50%; width: 1px; height: 116px; }.about-mark span { position: absolute; z-index: 1; display: grid; place-items: center; width: 44px; height: 44px; color: var(--white); background: var(--ink); border-radius: 50%; font-size: 13px; font-weight: 700; }.about-mark span:first-child { top: 24px; left: 20px; }.about-mark span:last-child { right: 20px; bottom: 23px; color: var(--ink); background: var(--coral); }.about-copy .eyebrow { color: var(--mint-deep); }.about-copy h2 span { color: var(--mint-deep); }.about-copy > p:last-child { max-width: 560px; margin: 24px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.85; }.about-detail { display: grid; gap: 5px; padding-left: 25px; border-left: 1px solid rgba(15,118,110,.35); }.about-detail span { margin-top: 13px; color: var(--mint-deep); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }.about-detail span:first-child { margin-top: 0; }.about-detail strong { font-size: 14px; }

.contact-section { padding-top: 110px; padding-bottom: 110px; }.contact-card { display: grid; grid-template-columns: 1.05fr .75fr; gap: 70px; align-items: center; padding: 61px 67px; color: var(--white); background: var(--coral); border-radius: 22px; }.contact-card .eyebrow { color: #ffe9e3; }.contact-card h2 span { color: var(--ink); }.contact-action p { margin: 0 0 22px; color: rgba(255,255,255,.82); font-size: 14px; line-height: 1.8; }.contact-action .button-primary { color: var(--ink); background: var(--white); box-shadow: none; }.contact-action .button-primary:hover { color: var(--white); background: var(--ink); }
.site-footer { padding: 33px max(28px, calc((100vw - 1180px) / 2)) 24px; background: var(--white); border-top: 1px solid var(--line); }.footer-main { display: flex; align-items: center; justify-content: space-between; padding-bottom: 28px; border-bottom: 1px solid var(--line); }.footer-main > p { margin: 0; color: var(--muted); font-size: 12px; }.back-top { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-soft); font-size: 12px; }.back-top span { color: var(--coral); font-size: 18px; }.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px; padding-top: 19px; color: var(--muted); font-size: 10px; }.footer-bottom a { color: var(--ink-soft); }.footer-bottom a:hover { color: var(--coral-dark); }

:focus-visible { outline: 3px solid rgba(239,106,79,.5); outline-offset: 3px; }
@media (max-width: 980px) { .hero { grid-template-columns: 1fr; gap: 52px; min-height: 0; padding-top: 70px; }.hero-copy { max-width: 720px; }.hero-visual { max-width: 720px; }.section-heading, .compact-heading { grid-template-columns: 1fr; gap: 18px; }.workflow-inner { grid-template-columns: 1fr; gap: 55px; }.workflow-copy { max-width: 640px; }.about-inner { grid-template-columns: auto 1fr; }.about-detail { grid-column: 2; }.feature-grid { grid-template-columns: repeat(2, 1fr); }.feature-card-large { grid-row: span 1; min-height: 330px; }.feature-card-large h3 { margin-top: 118px; }.scenario-grid { grid-template-columns: 1fr; }.scenario-item { min-height: 125px; }.contact-card { grid-template-columns: 1fr; gap: 25px; padding: 48px; } }
@media (max-width: 720px) { .section-pad { width: min(100% - 36px, 560px); }.site-header { height: 70px; padding: 0 18px; }.site-nav, .header-cta { display: none; }.menu-toggle { display: block; }.site-nav.is-open { position: absolute; top: 70px; right: 18px; left: 18px; display: grid; gap: 0; margin: 0; padding: 8px 18px; background: var(--white); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }.site-nav.is-open a { padding: 13px 0; border-bottom: 1px solid var(--line); }.site-nav.is-open a:last-child { border-bottom: 0; }.hero { gap: 38px; padding-top: 53px; padding-bottom: 64px; }.hero h1 { font-size: clamp(38px, 11vw, 56px); }.hero-lede { font-size: 15px; }.hero-actions { display: grid; grid-template-columns: 1fr; }.hero-notes { display: grid; gap: 11px; margin-top: 32px; }.hero-visual { min-height: 370px; padding: 15px; border-radius: 20px; }.hero-visual::before { inset: 8px; border-radius: 15px; }.hero-visual img { height: 340px; border-radius: 12px; }.visual-label { top: 28px; left: 28px; font-size: 8px; }.visual-panel-top { top: 78px; right: 28px; min-width: 168px; padding: 11px 12px; }.visual-panel-bottom { right: 28px; bottom: 29px; padding: 11px 12px; }.visual-callout { font-size: 9px; }.callout-one { top: 182px; left: 28px; }.callout-two { bottom: 91px; left: 37px; }.signal-strip { grid-template-columns: repeat(2, 1fr); }.signal-strip > div { min-height: 90px; padding: 15px 18px; }.signal-strip > div:nth-child(2) { border-right: 0; }.signal-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }.product-section, .scenario-section { padding-top: 78px; padding-bottom: 80px; }.section-heading { margin-bottom: 35px; }.section-heading h2, .workflow-copy h2, .about-copy h2, .contact-card h2 { font-size: 36px; }.feature-grid { grid-template-columns: 1fr; }.feature-card, .feature-card-large { min-height: 278px; }.feature-card-large h3 { margin-top: 117px; font-size: 27px; }.workflow-inner { padding-top: 78px; padding-bottom: 80px; }.console-body { padding: 27px 20px 24px; }.about-inner { grid-template-columns: 1fr; gap: 35px; padding-top: 70px; padding-bottom: 70px; }.about-mark { width: 120px; height: 120px; }.about-mark::before { width: 90px; }.about-mark::after { height: 90px; }.about-detail { grid-column: auto; padding-left: 0; padding-top: 20px; border-top: 1px solid rgba(15,118,110,.35); border-left: 0; }.contact-section { padding-top: 70px; padding-bottom: 70px; }.contact-card { padding: 35px 24px; border-radius: 17px; }.footer-main { align-items: flex-start; flex-direction: column; gap: 18px; }.footer-bottom { align-items: flex-start; flex-direction: column; }.site-footer { padding-right: 18px; padding-left: 18px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }