:root {
  --ink: #0d1d2e;
  --muted: #677384;
  --line: rgba(13, 29, 46, 0.13);
  --blue: #1d61e9;
  --blue-deep: #123eaf;
  --mint: #a8f0d1;
  --paper: #f5f7fa;
  --warm: #f1eee7;
  --display: "DM Sans", "Noto Sans SC", sans-serif;
  --body: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { border: 0; cursor: pointer; }
.site-shell { overflow: hidden; }
.site-header { align-items: center; display: flex; height: 88px; justify-content: space-between; margin: 0 auto; max-width: 1320px; padding: 0 40px; }
.brand { align-items: center; display: inline-flex; gap: 12px; }
.brand-mark { display: inline-flex; gap: 3px; height: 26px; transform: skewX(-17deg); }
.brand-mark i { background: var(--blue); display: block; height: 25px; width: 6px; }
.brand-mark i:nth-child(2) { background: #5795f4; margin-top: 5px; }
.brand-mark i:nth-child(3) { background: var(--mint); margin-top: 10px; }
.brand-copy { display: flex; flex-direction: column; line-height: 1; }
.brand-copy strong { font-size: 17px; letter-spacing: .13em; }
.brand-copy small { color: #8b95a4; font-family: var(--display); font-size: 8px; letter-spacing: .14em; margin-top: 7px; }
.main-nav { align-items: center; display: flex; gap: 34px; font-size: 13px; }
.main-nav a { color: #758090; transition: color .2s ease; }
.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.main-nav .nav-cta { align-items: center; background: var(--ink); border-radius: 4px; color: white; display: inline-flex; gap: 17px; padding: 13px 17px 13px 19px; }
.main-nav .nav-cta span, .button span { color: var(--mint); font-size: 17px; line-height: 0; }
.menu-toggle { background: transparent; display: none; padding: 8px; }
.menu-toggle span { background: var(--ink); display: block; height: 2px; margin: 5px 0; width: 23px; }
.section-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 24px; margin-left: auto; margin-right: auto; max-width: 1320px; padding-left: 40px; padding-right: 40px; }
.hero { min-height: 680px; padding-bottom: 90px; padding-top: 76px; position: relative; }
.hero-copy { grid-column: 1 / span 6; padding-top: 38px; position: relative; z-index: 1; }
.eyebrow { align-items: center; color: #8190a1; display: flex; font-family: var(--display); font-size: 10px; font-weight: 700; gap: 10px; letter-spacing: .15em; }
.eyebrow span { color: var(--blue); }
.eyebrow em { color: #a7b0bb; font-size: 9px; font-style: normal; letter-spacing: .08em; margin-left: 6px; }
.pulse-dot { background: var(--blue); border-radius: 50%; box-shadow: 0 0 0 5px rgba(29,97,233,.12); display: inline-block; height: 7px; width: 7px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-weight: 800; letter-spacing: -.07em; }
h1 { font-size: clamp(54px, 6.3vw, 92px); line-height: 1.08; margin: 28px 0 26px; }
h1 span, h2 span { color: var(--blue); }
.hero-lead { color: var(--muted); font-size: 15px; line-height: 2; max-width: 495px; }
.hero-actions { align-items: center; display: flex; gap: 28px; margin-top: 39px; }
.button { align-items: center; border-radius: 5px; display: inline-flex; font-size: 13px; font-weight: 700; gap: 30px; justify-content: space-between; padding: 16px 17px 16px 20px; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { box-shadow: 0 14px 28px rgba(13,29,46,.14); transform: translateY(-2px); }
.button-primary { background: var(--blue); box-shadow: 0 9px 20px rgba(29,97,233,.2); color: #fff; min-width: 162px; }
.button-dark { background: var(--ink); color: #fff; width: 100%; }
.text-link { border-bottom: 1px solid var(--line); color: var(--ink); font-size: 12px; font-weight: 700; padding-bottom: 7px; }
.text-link span { color: var(--blue); font-family: var(--display); font-size: 16px; margin-left: 12px; }
.hero-proof { align-items: center; display: flex; gap: 13px; margin-top: 80px; }
.hero-proof p { color: #7d8997; font-size: 11px; line-height: 1.8; margin: 0; }
.hero-proof strong { color: var(--ink); font-size: 12px; }
.avatar-stack { display: flex; }
.avatar-stack b { align-items: center; background: var(--ink); border: 2px solid var(--paper); border-radius: 50%; color: var(--mint); display: flex; font: 600 11px var(--display); height: 32px; justify-content: center; margin-right: -8px; width: 32px; }
.avatar-stack b:nth-child(2) { background: var(--blue); color: white; }
.avatar-stack b:nth-child(3) { background: #d8e2ef; color: var(--blue); }
.hero-visual { align-self: stretch; grid-column: 8 / span 5; min-height: 480px; position: relative; }
.hero-visual::before { background-image: linear-gradient(rgba(29,97,233,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(29,97,233,.08) 1px, transparent 1px); background-size: 38px 38px; content: ""; inset: 0 -80px 0 0; mask-image: linear-gradient(to bottom, black, transparent 85%); opacity: .7; position: absolute; }
.visual-glow { background: radial-gradient(circle, rgba(65,142,255,.36) 0%, rgba(65,142,255,.1) 33%, transparent 69%); height: 550px; left: -17%; position: absolute; top: -10%; width: 550px; }
.visual-orbit { border: 1px solid rgba(29,97,233,.18); border-radius: 50%; left: 50%; position: absolute; top: 50%; transform: translate(-50%, -50%) rotate(-26deg); }
.orbit-one { height: 320px; width: 470px; }
.orbit-two { border-color: rgba(168,240,209,.7); height: 470px; transform: translate(-50%, -50%) rotate(62deg); width: 310px; }
.visual-center { align-items: center; background: linear-gradient(145deg, #246cec, #123a9c); border: 9px solid rgba(255,255,255,.22); border-radius: 50%; box-shadow: 0 24px 45px rgba(28,82,185,.24), inset 0 0 40px rgba(168,240,209,.16); color: #fff; display: flex; flex-direction: column; height: 168px; justify-content: center; left: 50%; position: absolute; top: 50%; transform: translate(-50%, -50%); width: 168px; z-index: 2; }
.visual-center::before, .visual-center::after { border: 1px solid rgba(255,255,255,.5); border-radius: 50%; content: ""; height: 11px; position: absolute; width: 11px; }
.visual-center::before { left: 9px; top: 35px; }
.visual-center::after { bottom: 28px; right: 22px; }
.visual-center span, .visual-center small { font: 600 9px var(--display); letter-spacing: .26em; opacity: .8; }
.visual-center strong { color: var(--mint); font: 400 47px var(--display); line-height: .95; }
.metric-card { backdrop-filter: blur(9px); background: rgba(255,255,255,.8); border: 1px solid rgba(255,255,255,.98); box-shadow: 0 15px 35px rgba(13,29,46,.1); display: flex; flex-direction: column; padding: 17px 19px; position: absolute; width: 144px; z-index: 3; }
.metric-card-top { right: -14px; top: 60px; }
.metric-card-bottom { bottom: 52px; left: 16px; }
.metric-label { color: #7a8795; font-size: 10px; margin-bottom: 10px; }
.metric-card strong { font: 700 25px var(--display); letter-spacing: -.05em; }
.metric-card small { color: #8893a1; font-size: 9px; margin-top: 5px; }
.metric-card small i { color: #1ab27f; font-style: normal; font-size: 14px; margin-right: 3px; }
.progress { background: #dce5f1; border-radius: 20px; height: 4px; margin: 14px 0 4px; width: 100%; }
.progress i { background: var(--blue); border-radius: inherit; display: block; height: 100%; width: 86%; }
.float-tag { align-items: center; background: var(--ink); color: white; display: flex; font-size: 10px; gap: 9px; padding: 9px 12px; position: absolute; z-index: 3; }
.float-tag span { color: var(--mint); font: 700 11px var(--display); }
.tag-left { left: -30px; top: 197px; transform: rotate(-90deg) translateX(-100%); transform-origin: left top; }
.tag-right { right: 24px; top: 325px; transform: rotate(90deg) translateX(100%); transform-origin: right top; }
.hero-lines { background: linear-gradient(117deg, transparent 0 32%, rgba(29,97,233,.4) 32.3% 32.5%, transparent 32.7% 63%, rgba(168,240,209,.75) 63.3% 63.5%, transparent 63.7%); height: 100%; inset: 0; position: absolute; }
.hero-scroll { align-items: center; bottom: 37px; display: flex; gap: 18px; left: 40px; position: absolute; }
.hero-scroll span { color: #9da8b3; font: 700 9px var(--display); letter-spacing: .18em; writing-mode: vertical-rl; }
.hero-scroll i { background: var(--blue); display: block; height: 43px; position: relative; width: 1px; }
.hero-scroll i::after { border-bottom: 1px solid var(--blue); border-right: 1px solid var(--blue); bottom: 0; content: ""; height: 5px; left: -3px; position: absolute; transform: rotate(45deg); width: 5px; }
.trust-strip { align-items: center; background: var(--ink); color: white; display: flex; justify-content: space-between; padding: 20px max(40px, calc((100vw - 1240px) / 2)); }
.trust-strip p { color: #c2ced9; font-size: 12px; margin: 0; }
.trust-tags { display: flex; gap: 25px; }
.trust-tags span { color: var(--mint); font: 700 10px var(--display); letter-spacing: .13em; }
.section-padding { padding-bottom: 130px; padding-top: 130px; }
.section-intro { grid-column: span 4; }
.section-intro h2, .about-copy h2, .contact-copy h2 { font-size: clamp(38px, 4vw, 59px); line-height: 1.2; margin: 24px 0 26px; }
.section-intro p, .about-copy > p, .contact-copy > p { color: var(--muted); font-size: 13px; line-height: 2; max-width: 310px; }
.section-intro .text-link { display: inline-block; margin-top: 25px; }
.service-list { display: grid; grid-column: 6 / span 7; grid-template-columns: repeat(2, 1fr); }
.service-card { border-bottom: 1px solid var(--line); min-height: 250px; padding: 21px 22px 26px; position: relative; transition: background .3s ease, transform .3s ease; }
.service-card:nth-child(odd) { border-right: 1px solid var(--line); }
.service-card:nth-child(-n+2) { border-top: 1px solid var(--line); }
.service-card:hover { background: rgba(255,255,255,.75); transform: translateY(-4px); }
.service-card.featured { background: var(--blue); color: white; }
.service-card.featured:hover { background: var(--blue-deep); }
.service-number { color: #99a6b4; font: 700 9px var(--display); letter-spacing: .09em; }
.featured .service-number { color: var(--mint); }
.service-icon { align-items: center; display: flex; height: 51px; justify-content: center; margin: 27px 0 21px; width: 51px; }
.icon-grid { background: var(--mint); display: grid; gap: 3px; grid-template-columns: repeat(2, 1fr); padding: 11px; transform: rotate(45deg); }
.icon-grid i { background: var(--blue); display: block; }
.icon-grid i:nth-child(2) { opacity: .72; }
.icon-grid i:nth-child(3) { opacity: .72; }
.icon-grid i:nth-child(4) { background: var(--ink); opacity: .8; }
.icon-spark { color: var(--blue); font-size: 46px; line-height: 1; }
.icon-wave { color: var(--blue); font: 700 58px Arial; line-height: .6; transform: rotate(-15deg); }
.icon-arrow { color: var(--blue); font: 400 46px var(--display); }
.service-card h3 { font-size: 18px; letter-spacing: -.04em; margin-bottom: 11px; }
.service-card p { color: #7f8b99; font-size: 11px; line-height: 1.8; margin-bottom: 19px; max-width: 220px; }
.featured p { color: rgba(255,255,255,.75); }
.service-card a { bottom: 27px; color: var(--blue); font: 700 10px var(--display); position: absolute; right: 22px; }
.featured a { color: var(--mint); }
.service-card a span { font-size: 16px; margin-left: 7px; }
.about { background: var(--warm); max-width: none; padding-left: max(40px, calc((100vw - 1240px) / 2)); padding-right: max(40px, calc((100vw - 1240px) / 2)); }
.about-visual { grid-column: 1 / span 6; min-height: 495px; position: relative; }
.about-visual::before { border: 1px solid rgba(13,29,46,.12); content: ""; height: 76%; left: 9%; position: absolute; top: 12%; transform: rotate(-8deg); width: 68%; }
.about-panel { position: absolute; }
.panel-main { background: #fff; box-shadow: 14px 18px 40px rgba(57,55,46,.1); left: 10%; padding: 38px 40px; top: 8%; width: 72%; z-index: 1; }
.panel-kicker { color: var(--blue); display: block; font: 700 10px var(--display); letter-spacing: .17em; margin-bottom: 69px; }
.panel-main strong { display: block; font-size: 27px; letter-spacing: -.08em; line-height: 1.45; }
.panel-line { background: var(--mint); height: 4px; margin: 31px 0 21px; width: 66px; }
.panel-main small { color: #8a8e8e; font-size: 10px; line-height: 1.8; }
.panel-accent { align-items: flex-end; background: var(--blue); bottom: 8%; color: white; display: flex; height: 142px; justify-content: space-between; padding: 20px 21px; right: 5%; width: 143px; }
.panel-accent span { color: var(--mint); font-size: 50px; font-weight: 900; line-height: 1; }
.panel-accent small { font: 700 8px var(--display); letter-spacing: .12em; line-height: 1.7; }
.about-stamp { align-items: center; background: var(--mint); border-radius: 50%; bottom: 26%; color: var(--blue); display: flex; flex-direction: column; font: 800 26px var(--display); height: 86px; justify-content: center; left: 3%; position: absolute; transform: rotate(-13deg); width: 86px; z-index: 2; }
.about-stamp span { font: 700 7px var(--body); letter-spacing: .12em; margin-top: 3px; }
.about-copy { align-self: center; grid-column: 8 / span 4; }
.about-copy > p { max-width: 410px; }
.about-signature { align-items: center; display: flex; gap: 17px; margin-top: 36px; }
.about-signature > span { color: var(--blue); font: 700 25px var(--display); letter-spacing: -.11em; }
.about-signature p { color: var(--ink); font-size: 11px; line-height: 1.7; margin: 0; }
.about-signature small { color: #91989a; font: 9px var(--display); }
.numbers { background: var(--blue); color: white; }
.numbers-head { align-items: end; }
.numbers-head .eyebrow { color: var(--mint); grid-column: 1 / span 4; }
.numbers-head .eyebrow span { color: var(--mint); }
.numbers-head p { color: rgba(255,255,255,.78); font-size: 16px; grid-column: 8 / span 4; line-height: 1.7; margin: 0; }
.number-grid { margin-top: 73px; }
.number-item { border-left: 1px solid rgba(255,255,255,.35); grid-column: span 3; padding-left: 22px; }
.number-item strong { display: block; font: 500 clamp(49px, 5vw, 76px) var(--display); letter-spacing: -.09em; line-height: 1; }
.number-item strong::after { color: var(--mint); content: "+"; font-size: .42em; margin-left: 5px; vertical-align: top; }
.number-item:nth-child(2) strong::after { content: ""; }
.number-item span { color: rgba(255,255,255,.7); display: block; font-size: 11px; margin-top: 16px; }
.process-list { grid-column: 6 / span 7; }
.process-item { align-items: center; border-bottom: 1px solid var(--line); display: grid; gap: 23px; grid-template-columns: 35px 1fr 25px; padding: 22px 0; }
.process-item:first-child { border-top: 1px solid var(--line); }
.process-item > span { color: var(--blue); font: 700 11px var(--display); }
.process-item h3 { font-size: 17px; margin-bottom: 7px; }
.process-item p { color: #7d8997; font-size: 11px; margin: 0; }
.process-item b { color: var(--blue); font: 400 21px var(--display); text-align: right; }
.contact { background: var(--mint); max-width: none; padding-bottom: 105px; padding-left: max(40px, calc((100vw - 1240px) / 2)); padding-right: max(40px, calc((100vw - 1240px) / 2)); padding-top: 105px; }
.contact-copy { grid-column: 1 / span 5; }
.contact-copy h2 { margin-bottom: 22px; }
.contact-copy > p { color: #477166; max-width: 390px; }
.contact-details { display: flex; flex-direction: column; gap: 8px; margin-top: 44px; }
.contact-details a { color: var(--blue); font: 700 14px var(--display); text-decoration: underline; text-decoration-color: rgba(29,97,233,.25); text-underline-offset: 5px; }
.contact-details span { color: #52756b; font-size: 11px; }
.contact-form { background: #fff; box-shadow: 13px 18px 35px rgba(13,29,46,.08); display: grid; gap: 19px; grid-column: 8 / span 5; padding: 30px 32px 28px; }
.contact-form label { color: #758090; display: flex; flex-direction: column; font-size: 10px; gap: 8px; }
.contact-form input, .contact-form textarea, .contact-form select { background: transparent; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; color: var(--ink); outline: none; padding: 8px 0 11px; resize: vertical; transition: border-color .2s ease; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { border-color: var(--blue); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #b1b7bf; }
.form-note { color: var(--blue); font-size: 11px; margin: -5px 0 0; min-height: 14px; }
.site-footer { background: var(--ink); color: white; padding: 41px max(40px, calc((100vw - 1240px) / 2)) 25px; }
.footer-top { align-items: flex-start; border-bottom: 1px solid rgba(255,255,255,.16); display: flex; justify-content: space-between; padding-bottom: 42px; }
.footer-top .brand-copy strong { color: white; }
.footer-top p { color: #a1b0bd; font-size: 11px; line-height: 1.8; margin: 0; text-align: right; }
.back-top { align-items: center; border: 1px solid rgba(255,255,255,.3); color: var(--mint); display: flex; font: 22px var(--display); height: 43px; justify-content: center; margin-left: 40px; width: 43px; }
.footer-bottom { color: #70808f; display: flex; font: 9px var(--display); justify-content: space-between; letter-spacing: .04em; padding-top: 21px; }

@media (max-width: 900px) {
  .site-header { height: 75px; padding: 0 22px; }
  .menu-toggle { display: block; z-index: 5; }
  .main-nav { align-items: flex-start; background: var(--paper); box-shadow: 0 18px 30px rgba(13,29,46,.13); display: flex; flex-direction: column; gap: 0; opacity: 0; padding: 80px 28px 25px; pointer-events: none; position: absolute; right: 0; top: 0; transform: translateY(-12px); transition: opacity .25s ease, transform .25s ease; width: min(280px, 100%); z-index: 4; }
  .main-nav.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .main-nav a { border-bottom: 1px solid var(--line); padding: 16px 0; width: 100%; }
  .main-nav .nav-cta { border-bottom: 0; margin-top: 15px; padding: 13px 17px 13px 19px; width: auto; }
  .section-grid { gap: 18px; padding-left: 22px; padding-right: 22px; }
  .hero { min-height: 890px; padding-top: 30px; }
  .hero-copy { grid-column: 1 / -1; padding-top: 20px; }
  .hero-visual { grid-column: 1 / -1; min-height: 450px; }
  .hero-scroll { left: 22px; }
  .trust-strip { align-items: flex-start; flex-direction: column; gap: 18px; padding: 20px 22px; }
  .section-padding { padding-bottom: 80px; padding-top: 80px; }
  .section-intro { grid-column: 1 / -1; }
  .section-intro p { max-width: 520px; }
  .service-list { grid-column: 1 / -1; margin-top: 35px; }
  .about { padding-left: 22px; padding-right: 22px; }
  .about-visual { grid-column: 1 / -1; min-height: 430px; }
  .about-copy { grid-column: 1 / -1; }
  .numbers-head .eyebrow, .numbers-head p { grid-column: 1 / -1; }
  .numbers-head p { margin-top: 20px; }
  .number-grid { margin-top: 48px; }
  .number-item { grid-column: span 6; margin-bottom: 28px; }
  .process-list { grid-column: 1 / -1; margin-top: 35px; }
  .contact { padding-left: 22px; padding-right: 22px; }
  .contact-copy { grid-column: 1 / -1; }
  .contact-form { grid-column: 1 / -1; margin-top: 28px; }
  .site-footer { padding-left: 22px; padding-right: 22px; }
}

@media (max-width: 520px) {
  h1 { font-size: 52px; }
  .hero { min-height: 815px; }
  .hero-lead { font-size: 13px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .hero-proof { margin-top: 50px; }
  .hero-visual { min-height: 340px; transform: scale(.82); transform-origin: top center; width: 122%; }
  .metric-card-top { right: -4px; top: 35px; }
  .metric-card-bottom { bottom: 12px; left: 0; }
  .float-tag { display: none; }
  .trust-tags { gap: 14px; }
  .service-list { grid-template-columns: 1fr; }
  .service-card, .service-card:nth-child(odd) { border-right: 0; }
  .service-card:nth-child(2) { border-top: 0; }
  .about-visual { min-height: 330px; transform: scale(.85); transform-origin: top left; width: 118%; }
  .about-copy { margin-top: -65px; }
  .panel-main { padding: 27px; }
  .panel-kicker { margin-bottom: 42px; }
  .panel-main strong { font-size: 22px; }
  .footer-top { gap: 28px; }
  .footer-top p { display: none; }
  .back-top { margin-left: auto; }
  .footer-bottom { flex-direction: column; gap: 9px; }
}