:root {
  --ink: #1d2a2b;
  --muted: #637172;
  --line: #dfe6e1;
  --paper: #f7f8f4;
  --white: #ffffff;
  --teal: #168c83;
  --teal-deep: #0e5e5b;
  --orange: #f0774f;
  --violet: #7061b5;
  --yellow: #f3c965;
  --radius: 4px;
  --shadow: 0 20px 60px rgba(29, 42, 43, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

button, a { -webkit-tap-highlight-color: transparent; }

.container { width: min(1180px, calc(100% - 64px)); margin: 0 auto; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  background: rgba(247, 248, 244, 0.94);
  border-bottom: 1px solid rgba(223, 230, 225, 0.9);
  backdrop-filter: blur(14px);
}

.nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 38px; }

.wordmark, .footer-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 18px; font-weight: 800; letter-spacing: 0.08em; }

.wordmark-mark { width: 27px; height: 27px; display: grid; place-items: center; border-radius: 50%; color: var(--white); background: var(--teal); font-size: 13px; font-weight: 800; letter-spacing: 0; }

.main-nav { display: flex; align-items: center; gap: 27px; margin-left: auto; color: var(--muted); font-size: 13px; font-weight: 600; }

.main-nav a { transition: color 180ms ease; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--teal); }

.nav-actions { display: flex; align-items: center; gap: 17px; }

.language-toggle { display: inline-flex; align-items: center; gap: 8px; border: 0; padding: 6px 0; color: var(--muted); background: transparent; cursor: pointer; font: inherit; font-size: 13px; font-weight: 700; }
.language-toggle:hover, .language-toggle:focus-visible { color: var(--teal); }
.language-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--orange); }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border-radius: var(--radius); color: var(--white); background: var(--teal); font-size: 14px; font-weight: 700; transition: transform 180ms ease, background 180ms ease; }
.button:hover, .button:focus-visible { background: var(--teal-deep); transform: translateY(-2px); }
.button-small { min-height: 38px; padding: 0 16px; font-size: 12px; }

.menu-toggle { display: none; border: 0; background: transparent; padding: 5px; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; margin: 5px 0; background: var(--ink); }

.section-pad { padding: 118px 0; }

.hero { padding-top: 92px; padding-bottom: 104px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(500px, 1.05fr); align-items: center; gap: 77px; }

.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: 0.13em; line-height: 1.2; text-transform: uppercase; }
.eyebrow-line { width: 23px; height: 2px; background: currentColor; }

h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 600px; margin-bottom: 24px; font-size: 76px; font-weight: 700; letter-spacing: 0; line-height: 1.02; }
h2 { max-width: 650px; margin-bottom: 24px; font-size: 52px; font-weight: 700; letter-spacing: 0; line-height: 1.08; }
h3 { margin-bottom: 13px; font-size: 22px; font-weight: 700; letter-spacing: 0; line-height: 1.2; }

.hero-lede { max-width: 515px; margin-bottom: 33px; color: var(--muted); font-size: 18px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 25px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-size: 14px; font-weight: 700; }
.text-link span, .item-link, .contact-email span { color: var(--orange); font-size: 20px; transition: transform 180ms ease; }
.text-link:hover span, .text-link:focus-visible span, .item-link:hover, .item-link:focus-visible, .contact-email:hover span, .contact-email:focus-visible span { transform: translate(3px, -3px); }
.hero-note { display: flex; align-items: center; gap: 9px; margin-top: 50px; color: var(--muted); font-size: 12px; font-weight: 600; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px rgba(240, 119, 79, 0.14); }

.hero-visual { position: relative; min-height: 538px; padding: 31px 30px 30px; border-radius: 7px; color: var(--ink); background: #e5eee7; box-shadow: var(--shadow); transform: rotate(1.5deg); }
.hero-visual::before { position: absolute; width: 160px; height: 160px; top: -54px; right: -41px; border-radius: 50%; background: var(--yellow); content: ""; }
.visual-topline { position: relative; z-index: 1; display: flex; justify-content: space-between; margin-bottom: 21px; color: var(--teal-deep); font-size: 10px; font-weight: 800; letter-spacing: 0.15em; }
.visual-period { color: #6e8782; letter-spacing: 0.08em; }
.visual-main-card { position: relative; z-index: 1; padding: 24px 25px 19px; border: 1px solid rgba(24, 85, 78, 0.13); border-radius: 5px; background: rgba(255, 255, 255, 0.92); }
.visual-card-head { display: flex; align-items: end; justify-content: space-between; }
.visual-label { display: block; color: #728580; font-size: 10px; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.visual-card-head strong { display: block; margin-top: 4px; font-size: 31px; letter-spacing: 0; line-height: 1.1; }
.trend-pill { align-self: center; padding: 5px 8px; border-radius: 3px; color: var(--teal-deep); background: #d9f1df; font-size: 10px; font-weight: 800; }
.chart { position: relative; height: 230px; margin-top: 8px; padding-top: 16px; }
.chart-grid { position: absolute; inset: 16px 0 27px; display: flex; flex-direction: column; justify-content: space-between; }
.chart-grid span { display: block; height: 1px; background: #e8eeea; }
.chart svg { position: relative; z-index: 1; width: 100%; height: 190px; overflow: visible; }
.chart-area { fill: rgba(22, 140, 131, 0.11); }
.chart-line { fill: none; stroke: var(--teal); stroke-width: 3; stroke-linecap: round; }
.chart circle { fill: var(--orange); stroke: var(--white); stroke-width: 3; }
.chart-axis { position: absolute; right: 0; bottom: 0; left: 0; display: flex; justify-content: space-between; color: #94a39f; font-size: 8px; font-weight: 700; letter-spacing: 0.05em; }
.visual-split { position: relative; z-index: 1; display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 17px; margin-top: 17px; }
.visual-mini-card { min-height: 134px; padding: 20px; border-radius: 5px; background: var(--white); }
.signal-row { display: flex; align-items: center; gap: 7px; margin-top: 10px; color: #6a7a77; font-size: 10px; font-weight: 600; }
.signal-row strong { margin-left: auto; color: var(--ink); font-size: 11px; }
.signal-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
.signal-dot.orange { background: var(--orange); }
.signal-dot.violet { background: var(--violet); }
.dark-card { color: var(--white); background: var(--ink); }
.dark-card .visual-label { color: #9bb8b0; }
.pulse-number { display: block; margin-top: 3px; font-size: 41px; font-weight: 700; letter-spacing: 0; line-height: 1; }
.pulse-caption { color: #b8c8c3; font-size: 10px; }
.avatar-stack { display: flex; margin-top: 16px; }
.avatar-stack span { display: grid; width: 23px; height: 23px; margin-left: -5px; place-items: center; border: 2px solid var(--ink); border-radius: 50%; color: var(--ink); background: #f3c965; font-size: 8px; font-weight: 800; }
.avatar-stack span:first-child { margin-left: 0; background: #d2e8dc; }
.avatar-stack span:nth-child(2) { background: #f39b7b; }
.avatar-stack span:nth-child(3) { background: #c9c0ec; }
.avatar-stack span:last-child { color: var(--white); background: #66817b; }
.visual-stamp { position: absolute; right: 26px; bottom: 25px; color: rgba(25, 88, 82, 0.44); font-size: 9px; font-weight: 800; letter-spacing: 0.18em; line-height: 1.4; text-align: right; }

.signal-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.signal-strip-inner { display: grid; grid-template-columns: repeat(4, 1fr); }
.signal-strip span { display: flex; align-items: center; min-height: 68px; padding: 0 19px; border-right: 1px solid var(--line); color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.signal-strip span:first-child { padding-left: 0; }
.signal-strip span:last-child { border-right: 0; }

.capabilities { background: var(--white); }
.section-heading { margin-bottom: 58px; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(270px, 0.62fr); align-items: end; gap: 80px; }
.split-heading > p { max-width: 380px; margin: 0 0 5px; color: var(--muted); }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.capability-item { position: relative; min-height: 293px; padding: 28px 32px 28px 0; border-right: 1px solid var(--line); }
.capability-item + .capability-item { padding-left: 32px; }
.capability-item:last-child { border-right: 0; }
.item-number { display: inline-flex; align-items: center; justify-content: center; width: 35px; height: 25px; margin-bottom: 41px; border-radius: 2px; color: var(--teal-deep); background: #d9f1df; font-size: 10px; font-weight: 800; letter-spacing: 0.08em; }
.accent-teal .item-number { color: var(--teal-deep); background: #d5ecea; }
.accent-orange .item-number { color: #934a35; background: #fbe0d2; }
.capability-item p { max-width: 300px; margin-bottom: 33px; color: var(--muted); font-size: 15px; }
.item-link { position: absolute; bottom: 25px; left: 0; font-size: 23px; }
.capability-item + .capability-item .item-link { left: 32px; }

.tiktok-section { color: var(--white); background: var(--teal-deep); }
.tiktok-grid { display: grid; grid-template-columns: 1fr 1.75fr; gap: 80px; align-items: start; }
.tiktok-section .eyebrow { color: #a9e0cb; }
.tiktok-mark { width: 96px; height: 96px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,0.35); border-radius: 50%; color: var(--white); font-size: 44px; line-height: 1; }
.tiktok-copy h2 { max-width: 720px; }
.tiktok-copy > p:not(.eyebrow) { max-width: 690px; margin-bottom: 38px; color: #c2ddcf; font-size: 17px; }
.service-list { display: grid; grid-template-columns: repeat(2, minmax(200px, 1fr)); gap: 14px 40px; border-top: 1px solid rgba(255,255,255,0.23); padding-top: 22px; color: #f0f9f3; font-size: 13px; font-weight: 700; }
.service-list span::before { display: inline-block; width: 6px; height: 6px; margin: 0 11px 2px 0; border-radius: 50%; background: var(--orange); content: ""; }

.about-section { background: #f1f4ee; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.about-copy { max-width: 530px; padding-top: 33px; }
.about-copy > p { color: var(--muted); font-size: 18px; line-height: 1.7; }
.about-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; margin-top: 47px; padding-top: 21px; border-top: 1px solid #d3ded5; }
.meta-label { display: block; margin-bottom: 8px; color: #788a84; font-size: 10px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.about-meta strong { font-size: 13px; font-weight: 700; }

.contact-section { padding-top: 98px; padding-bottom: 98px; background: var(--orange); }
.contact-panel { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 80px; }
.contact-section .eyebrow { color: #702e1e; }
.contact-section h2 { max-width: 590px; margin-bottom: 0; color: #321b17; }
.contact-action { padding-bottom: 4px; }
.contact-action p { margin-bottom: 15px; color: #6e3426; font-size: 14px; }
.contact-email { display: inline-flex; align-items: center; gap: 13px; color: #2f1b17; font-size: 28px; font-weight: 700; letter-spacing: 0; }

.legal-section { padding-top: 58px; padding-bottom: 58px; background: var(--paper); }
.legal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.legal-grid details { border-top: 1px solid var(--line); padding-top: 18px; }
.legal-grid summary { cursor: pointer; list-style: none; color: var(--ink); font-size: 14px; font-weight: 800; }
.legal-grid summary::-webkit-details-marker { display: none; }
.legal-grid summary::after { float: right; color: var(--orange); content: "+"; font-size: 20px; font-weight: 400; line-height: 1; }
.legal-grid details[open] summary::after { content: "−"; }
.legal-grid details p { max-width: 490px; margin: 17px 0 0; color: var(--muted); font-size: 13px; }

.site-footer { color: #d2e2d9; background: var(--ink); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 92px; }
.footer-brand { color: var(--white); font-size: 15px; }
.footer-brand .wordmark-mark { width: 23px; height: 23px; font-size: 11px; }
.footer-inner p, .footer-inner a { margin: 0; color: #aebfba; font-size: 12px; }
.footer-inner a:hover, .footer-inner a:focus-visible { color: var(--white); }

:focus-visible { outline: 3px solid rgba(240, 119, 79, 0.65); outline-offset: 4px; }

@media (max-width: 980px) {
  .container { width: min(100% - 42px, 760px); }
  .main-nav { gap: 17px; }
  .nav-actions .button { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 66px; }
  .hero-copy { max-width: 670px; }
  .hero-visual { max-width: 700px; width: 100%; justify-self: center; }
  .split-heading { gap: 35px; }
  .tiktok-grid { gap: 44px; }
  .about-grid, .contact-panel { gap: 45px; }
}

@media (max-width: 720px) {
  .container { width: calc(100% - 38px); }
  .nav-wrap { min-height: 66px; }
  .main-nav { position: absolute; top: 65px; right: 19px; left: 19px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 17px; border: 1px solid var(--line); background: var(--white); box-shadow: 0 12px 30px rgba(29, 42, 43, 0.12); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 11px 0; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: 0; }
  .nav-actions { margin-left: auto; }
  .menu-toggle { display: block; }
  .section-pad { padding: 82px 0; }
  .hero { padding-top: 67px; padding-bottom: 82px; }
  h1 { font-size: 63px; }
  h2 { font-size: 46px; }
  .hero-lede { font-size: 16px; }
  .hero-note { margin-top: 37px; }
  .hero-visual { min-height: 0; padding: 22px 17px 24px; transform: none; }
  .hero-visual::before { width: 100px; height: 100px; top: -34px; right: -29px; }
  .visual-topline { font-size: 8px; }
  .visual-main-card { padding: 18px 15px 15px; }
  .visual-card-head strong { font-size: 26px; }
  .chart { height: 185px; }
  .chart svg { height: 150px; }
  .chart-grid { bottom: 27px; }
  .visual-split { gap: 9px; }
  .visual-mini-card { min-height: 120px; padding: 15px 12px; }
  .signal-row { font-size: 9px; }
  .signal-strip-inner { grid-template-columns: repeat(2, 1fr); }
  .signal-strip span { min-height: 59px; padding: 0 11px; border-bottom: 1px solid var(--line); font-size: 9px; }
  .signal-strip span:first-child { padding-left: 0; }
  .signal-strip span:nth-child(2) { border-right: 0; }
  .signal-strip span:nth-child(3), .signal-strip span:nth-child(4) { border-bottom: 0; }
  .split-heading, .about-grid, .contact-panel, .legal-grid { grid-template-columns: 1fr; gap: 26px; }
  .section-heading { margin-bottom: 39px; }
  .split-heading > p { margin-bottom: 0; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-item, .capability-item + .capability-item { min-height: 253px; padding: 25px 0 25px; border-right: 0; border-bottom: 1px solid var(--line); }
  .capability-item:last-child { border-bottom: 0; }
  .capability-item + .capability-item .item-link, .item-link { left: 0; }
  .item-number { margin-bottom: 27px; }
  .tiktok-grid { grid-template-columns: 1fr; gap: 35px; }
  .tiktok-mark { width: 70px; height: 70px; font-size: 33px; }
  .tiktok-copy > p:not(.eyebrow) { font-size: 16px; }
  .service-list { grid-template-columns: 1fr; gap: 12px; }
  .about-copy { padding-top: 0; }
  .about-copy > p { font-size: 16px; }
  .about-meta { grid-template-columns: 1fr; gap: 19px; margin-top: 35px; }
  .contact-section { padding-top: 75px; padding-bottom: 75px; }
  .contact-action { padding-bottom: 0; }
  .contact-email { font-size: 21px; }
  .footer-inner { flex-wrap: wrap; justify-content: flex-start; gap: 7px 23px; padding: 23px 0; }
  .footer-inner p { order: 3; flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}
