:root {
  --ink: #2d3d35;
  --ink-deep: #3e6757;
  --jade: #5b8f76;
  --jade-light: #e1eee5;
  --paper: #f5f0e7;
  --white: #fffdf8;
  --cinnabar: #b87367;
  --ochre: #aa8146;
  --steel: #73848b;
  --line: rgba(27, 40, 36, 0.16);
  --line-light: rgba(255, 253, 248, 0.2);
  --muted: rgba(27, 40, 36, 0.66);
  --muted-light: rgba(255, 253, 248, 0.68);
  --shadow: 0 24px 54px rgba(13, 31, 27, 0.18);
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); line-height: 1.75; }
body.menu-open { overflow: hidden; }
body.menu-open .menu-button { color: var(--ink); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: "STSong", "Songti SC", "SimSun", serif; font-weight: 600; letter-spacing: 0; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(183, 88, 67, 0.55); outline-offset: 4px; }
.container { width: min(1180px, calc(100% - 64px)); margin: 0 auto; }

.site-header { position: absolute; z-index: 10; top: 0; right: 0; left: 0; color: var(--ink); }
.header-inner { display: flex; min-height: 88px; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(27, 40, 36, 0.18); }
.brand { display: inline-flex; min-width: 0; align-items: center; gap: 12px; }
.brand-seal { display: grid; width: 40px; height: 40px; flex: 0 0 auto; place-items: center; border: 1px solid rgba(27, 40, 36, 0.64); border-radius: 50%; color: var(--ink); font-family: "STKaiti", "KaiTi", serif; font-size: 22px; line-height: 1; }
.brand-seal.small { width: 32px; height: 32px; border-color: rgba(255, 253, 248, 0.38); font-size: 18px; }
.brand-copy { display: grid; min-width: 0; gap: 1px; line-height: 1.3; }
.brand-copy strong { font-family: "STSong", "Songti SC", serif; font-size: 17px; font-weight: 600; letter-spacing: 0; }
.brand-copy small { overflow: hidden; color: rgba(27, 40, 36, 0.58); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.site-nav { display: flex; align-items: center; gap: 28px; color: var(--ink); font-size: 13px; }
.site-nav a { position: relative; padding: 8px 0; transition: color 180ms ease; }
.site-nav a::after { position: absolute; right: 0; bottom: 2px; left: 0; height: 1px; background: var(--cinnabar); content: ""; opacity: 0; transform: scaleX(0); transition: opacity 180ms ease, transform 180ms ease; }
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { opacity: 1; transform: scaleX(1); }
.menu-button { display: none; width: 40px; height: 40px; place-items: center; border: 0; background: transparent; color: var(--ink); }
.menu-button svg { width: 21px; height: 21px; }

.hero { position: relative; display: flex; min-height: 610px; overflow: hidden; align-items: center; background: var(--paper); color: var(--ink); }
.hero-image, .hero-shade { position: absolute; inset: 0; }
.hero-image { background-image: url("./assets/hero-texture.png"); background-position: center; background-size: cover; filter: brightness(1.18) saturate(0.52); opacity: 0.14; }
.hero-shade { background: rgba(245, 240, 231, 0.78); }
.hero-inner { position: relative; z-index: 2; padding-top: 105px; padding-bottom: 72px; }
.eyebrow { margin-bottom: 18px; color: var(--jade); font-size: 11px; font-weight: 700; letter-spacing: 0; }
.eyebrow.light { color: var(--jade-light); }
.hero h1 { max-width: 690px; margin-bottom: 26px; font-size: 62px; line-height: 1.16; }
.hero .eyebrow.light { color: var(--jade); }
.hero-lead { max-width: 640px; margin-bottom: 30px; color: var(--muted); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 14px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 8px; padding: 0 21px; border: 1px solid transparent; border-radius: 3px; font-size: 13px; font-weight: 600; transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease; }
.button:hover { transform: translateY(-2px); }
.button svg { width: 16px; height: 16px; }
.button-primary { background: var(--jade); color: var(--white); }
.button-primary:hover { background: var(--jade); }
.button-quiet { border-color: rgba(27, 40, 36, 0.36); color: var(--ink); }
.button-quiet:hover { border-color: var(--ink); background: rgba(27, 40, 36, 0.06); }
.hero-notes { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 44px; color: var(--muted); font-size: 11px; }
.hero-notes span { display: inline-flex; align-items: center; gap: 7px; }
.hero-notes svg { width: 14px; height: 14px; color: var(--jade); }

.hero-orbit { position: absolute; z-index: 1; top: 53%; right: max(6vw, 42px); width: 430px; height: 430px; color: var(--ink); transform: translateY(-43%); }
.orbit-ring, .orbit-axis { position: absolute; top: 50%; left: 50%; pointer-events: none; }
.orbit-ring { border: 1px solid rgba(27, 40, 36, 0.22); border-radius: 50%; transform: translate(-50%, -50%); }
.ring-large { width: 390px; height: 390px; }
.ring-small { width: 230px; height: 230px; border-color: rgba(183, 88, 67, 0.52); }
.orbit-axis { width: 360px; height: 1px; background: rgba(27, 40, 36, 0.18); transform-origin: center; }
.axis-one { transform: translate(-50%, -50%) rotate(38deg); }
.axis-two { transform: translate(-50%, -50%) rotate(-38deg); }
.orbit-core { position: absolute; top: 50%; left: 50%; display: grid; width: 92px; height: 92px; place-items: center; border: 1px solid rgba(27, 40, 36, 0.64); border-radius: 50%; background: rgba(255, 253, 248, 0.8); font-family: "STSong", "Songti SC", serif; font-size: 22px; transform: translate(-50%, -50%); }
.orbit-label { position: absolute; display: inline-flex; min-height: 30px; align-items: center; padding: 0 9px; border: 1px solid rgba(27, 40, 36, 0.22); background: rgba(255, 253, 248, 0.8); color: rgba(27, 40, 36, 0.76); font-size: 11px; }
.label-one { top: 25px; left: 170px; }
.label-two { top: 180px; right: 5px; }
.label-three { bottom: 26px; left: 168px; }
.label-four { top: 184px; left: 0; }

.section { padding: 112px 0; scroll-margin-top: 40px; }
.about-section { padding-top: 72px; background: var(--white); }
.split-layout { display: grid; grid-template-columns: minmax(250px, 0.75fr) minmax(0, 1.25fr); gap: 90px; }
.section-heading h2, .contact-heading h2 { max-width: 510px; margin-bottom: 0; font-size: 46px; line-height: 1.25; }
.section-heading > p:last-child { max-width: 520px; margin: 22px 0 0; color: var(--muted); font-size: 14px; }
.about-copy { max-width: 690px; }
.lead-copy { color: var(--ink); font-family: "STSong", "Songti SC", serif; font-size: 22px; line-height: 1.7; }
.about-copy > p:not(.lead-copy) { margin-bottom: 40px; color: var(--muted); font-size: 15px; }
.value-list { border-top: 1px solid var(--line); }
.value-list > div { display: grid; grid-template-columns: 42px 160px 1fr; gap: 17px; align-items: baseline; padding: 19px 0; border-bottom: 1px solid var(--line); }
.value-list span { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid var(--cinnabar); border-radius: 50%; color: var(--cinnabar); font-family: "STSong", "Songti SC", serif; font-size: 12px; }
.value-list strong { font-family: "STSong", "Songti SC", serif; font-size: 17px; font-weight: 600; }
.value-list p { margin: 0; color: var(--muted); font-size: 13px; }

.services-section { position: relative; background: var(--jade-light); color: var(--ink); }
.wide-heading { display: grid; grid-template-columns: 1fr; max-width: 720px; margin-bottom: 48px; }
.wide-heading h2 { max-width: 680px; }
.light-heading h2 { color: var(--white); }
.light-heading > p:last-child { color: var(--muted-light); }
.services-section .light-heading h2 { color: var(--ink); }
.services-section .light-heading .eyebrow.light { color: var(--jade); }
.services-section .light-heading > p:last-child { color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(27, 40, 36, 0.16); }
.service-card { min-height: 360px; padding: 30px 29px 27px; background: var(--white); transition: background 180ms ease, transform 180ms ease; }
.service-card:hover { position: relative; z-index: 1; background: #f5f8f3; transform: translateY(-4px); }
.service-card.featured-card { background: var(--jade); color: var(--white); }
.service-card.featured-card:hover { background: #6d9f87; }
.card-top { display: flex; align-items: center; justify-content: space-between; color: var(--cinnabar); }
.featured-card .card-top { color: var(--white); }
.card-top svg { width: 22px; height: 22px; stroke-width: 1.5; }
.card-number { font-size: 12px; font-weight: 700; }
.service-card h3 { margin: 82px 0 16px; font-size: 25px; }
.service-card p { max-width: 310px; margin-bottom: 27px; color: var(--muted); font-size: 14px; }
.featured-card p { color: rgba(255, 253, 248, 0.72); }
.card-line { display: block; width: 45px; height: 2px; background: var(--cinnabar); }
.featured-card .card-line { background: var(--white); }

.approach-section { background: var(--paper); }
.approach-layout { display: grid; grid-template-columns: minmax(250px, 0.78fr) minmax(0, 1.22fr); gap: 90px; }
.sticky-heading { align-self: start; }
.process-list { border-top: 1px solid var(--line); }
.process-list article { display: grid; grid-template-columns: 54px 1fr 28px; gap: 19px; align-items: start; padding: 27px 0; border-bottom: 1px solid var(--line); }
.process-number { color: var(--cinnabar); font-size: 12px; font-weight: 700; }
.process-list h3 { margin-bottom: 7px; font-size: 21px; }
.process-list p { margin: 0; color: var(--muted); font-size: 13px; }
.process-list svg { width: 20px; height: 20px; color: var(--jade); stroke-width: 1.6; }

.compliance-section { background: var(--white); }
.compliance-layout { display: grid; grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr); gap: 86px; align-items: center; }
.compliance-visual { position: relative; display: grid; min-height: 430px; place-items: center; align-content: center; overflow: hidden; background: var(--jade-light); }
.compliance-visual::before, .compliance-visual::after { position: absolute; border: 1px solid rgba(36, 103, 92, 0.22); border-radius: 50%; content: ""; }
.compliance-visual::before { width: 290px; height: 290px; }
.compliance-visual::after { width: 390px; height: 390px; }
.protection-mark { position: relative; z-index: 1; display: grid; width: 96px; height: 96px; place-items: center; border: 1px solid var(--cinnabar); border-radius: 50%; background: var(--white); color: var(--cinnabar); }
.protection-mark svg { width: 39px; height: 39px; stroke-width: 1.4; }
.compliance-visual p { position: relative; z-index: 1; margin: 20px 0 0; color: var(--jade); font-family: "STSong", "Songti SC", serif; font-size: 15px; }
.compliance-copy h2 { max-width: 560px; margin: 0 0 25px; font-size: 43px; line-height: 1.3; }
.compliance-copy .lead-copy { max-width: 620px; margin-bottom: 28px; font-size: 19px; }
.policy-list { border-top: 1px solid var(--line); }
.policy-list > div { display: grid; grid-template-columns: 25px 1fr; gap: 14px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.policy-list svg { width: 19px; height: 19px; color: var(--jade); stroke-width: 1.6; }
.policy-list span { display: grid; gap: 4px; }
.policy-list strong { font-size: 14px; font-weight: 600; }
.policy-list small { color: var(--muted); font-size: 12px; }
.policy-links { display: flex; gap: 24px; margin-top: 25px; color: var(--jade); font-size: 13px; }
.policy-links a { border-bottom: 1px solid rgba(36, 103, 92, 0.38); }
.policy-links a:hover { color: var(--cinnabar); border-color: var(--cinnabar); }

.contact-section { background: #ead9d4; color: var(--ink); }
.contact-layout { display: grid; grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr); gap: 80px; }
.contact-heading h2 { font-size: 48px; }
.contact-heading .eyebrow.light { color: var(--cinnabar); }
.contact-heading > p:last-child { max-width: 470px; margin-top: 23px; color: var(--muted); }
.contact-list { margin: 0; border-top: 1px solid rgba(45, 61, 53, 0.24); }
.contact-list > div { display: grid; grid-template-columns: 115px 1fr; gap: 25px; padding: 19px 0; border-bottom: 1px solid rgba(45, 61, 53, 0.24); }
.contact-list dt { color: var(--muted); font-size: 12px; }
.contact-list dd { margin: 0; font-size: 15px; }
.contact-list a { border-bottom: 1px solid rgba(45, 61, 53, 0.42); }
.contact-list a:hover { color: var(--cinnabar); border-color: var(--cinnabar); }

.site-footer { background: #dbe9df; color: var(--muted); font-size: 11px; }
.footer-inner { display: grid; min-height: 108px; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.site-footer .brand-seal.small { border-color: rgba(45, 61, 53, 0.46); color: var(--ink); }
.footer-brand > span:last-child { display: grid; gap: 2px; }
.footer-brand strong { font-family: "STSong", "Songti SC", serif; font-size: 14px; font-weight: 600; }
.footer-brand small { color: var(--muted); font-size: 9px; }
.footer-legal { display: grid; gap: 5px; justify-items: center; text-align: center; }
.footer-legal p { margin: 0; }
.icp-link { color: var(--ink); }
.icp-link:hover { color: var(--cinnabar); }
.footer-links { display: flex; justify-content: flex-end; gap: 21px; }
.footer-links a:hover { color: var(--cinnabar); }

.document-page { background: var(--paper); }
.document-header { position: relative; background: var(--jade-light); color: var(--ink); }
.document-header .header-inner { border-color: rgba(45, 61, 53, 0.18); }
.document-header .brand-seal { border-color: rgba(45, 61, 53, 0.62); color: var(--ink); }
.document-header .brand-copy small { color: var(--muted); }
.document-header .site-nav { color: var(--ink); }
.document-header .site-nav a:hover { color: var(--cinnabar); }
.document-header .menu-button { color: var(--ink); }
.document-main { min-height: calc(100vh - 196px); padding: 95px 0 115px; }
.document-layout { max-width: 850px; }
.document-kicker { margin-bottom: 15px; color: var(--jade); font-size: 11px; font-weight: 700; }
.document-layout h1 { margin-bottom: 19px; font-size: 54px; line-height: 1.2; }
.document-lead { max-width: 710px; margin-bottom: 54px; color: var(--muted); font-size: 17px; }
.document-content { padding-top: 34px; border-top: 1px solid var(--line); }
.document-content h2 { margin: 32px 0 10px; font-size: 22px; }
.document-content h2:first-child { margin-top: 0; }
.document-content p, .document-content li { color: var(--muted); font-size: 14px; }
.document-content ul { padding-left: 22px; }
.document-content a { color: var(--jade); text-decoration: underline; text-underline-offset: 3px; }
.document-date { margin-top: 45px; color: var(--muted); font-size: 12px; }

@media (max-width: 1080px) {
  .hero h1 { font-size: 54px; }
  .hero-orbit { right: -80px; opacity: 0.72; }
  .split-layout, .approach-layout { gap: 58px; }
  .compliance-layout { gap: 50px; }
}

@media (max-width: 820px) {
  .container { width: min(100% - 40px, 1180px); }
  .header-inner { min-height: 74px; }
  .brand-copy small { max-width: 220px; }
  .menu-button { display: grid; }
  .site-nav { position: fixed; z-index: 20; top: 0; right: 0; display: flex; width: min(320px, 86vw); height: 100vh; align-items: stretch; flex-direction: column; gap: 0; padding: 92px 28px 30px; background: var(--jade-light); color: var(--ink); box-shadow: var(--shadow); transform: translateX(105%); transition: transform 220ms ease; }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav a, .site-nav a:hover { padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 15px; }
  .menu-button { position: relative; z-index: 30; }
  .hero { min-height: 660px; }
  .hero-inner { padding-top: 95px; }
  .hero h1 { font-size: 48px; }
  .hero-lead { max-width: 560px; }
  .hero-orbit { right: -145px; opacity: 0.35; }
  .section { padding: 82px 0; }
  .split-layout, .approach-layout, .compliance-layout, .contact-layout { grid-template-columns: 1fr; gap: 42px; }
  .section-heading h2, .contact-heading h2 { font-size: 39px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 245px; }
  .service-card h3 { margin-top: 42px; }
  .compliance-visual { min-height: 330px; }
  .contact-heading h2 { font-size: 41px; }
  .footer-inner { grid-template-columns: 1fr; gap: 13px; padding: 25px 0; }
  .footer-brand, .footer-links { justify-content: center; }
  .document-main { padding: 70px 0 90px; }
  .document-layout h1 { font-size: 45px; }
}

@media (max-width: 560px) {
  .brand-copy small { display: none; }
  .hero { min-height: 570px; align-items: flex-start; }
  .hero-inner { padding-top: 118px; padding-bottom: 54px; }
  .hero h1 { max-width: 420px; font-size: 38px; line-height: 1.22; }
  .hero-lead { margin-bottom: 24px; font-size: 14px; line-height: 1.85; }
  .hero-actions { align-items: stretch; flex-direction: column; max-width: 230px; }
  .hero-notes { gap: 12px 18px; margin-top: 28px; }
  .hero-orbit { top: 58%; right: -230px; opacity: 0.22; }
  .section { padding: 70px 0; }
  .section-heading h2, .contact-heading h2 { font-size: 34px; }
  .lead-copy { font-size: 19px; }
  .value-list > div { grid-template-columns: 34px 1fr; gap: 12px; }
  .value-list p { grid-column: 2; }
  .service-card { padding: 25px 22px; }
  .wide-heading { margin-bottom: 35px; }
  .process-list article { grid-template-columns: 42px 1fr; }
  .process-list svg { display: none; }
  .compliance-visual { min-height: 280px; }
  .compliance-visual::before { width: 220px; height: 220px; }
  .compliance-visual::after { width: 300px; height: 300px; }
  .compliance-copy h2 { font-size: 34px; }
  .contact-list > div { grid-template-columns: 1fr; gap: 4px; }
  .footer-legal { line-height: 1.7; }
  .document-layout h1 { font-size: 37px; }
  .document-lead { font-size: 15px; }
}

i[data-lucide] { display: inline-flex; align-items: center; justify-content: center; font-style: normal; }
i[data-lucide="menu"]::before { content: "☰"; }
i[data-lucide="arrow-up-right"]::before { content: "↗"; }
i[data-lucide="scroll-text"]::before { content: "▤"; }
i[data-lucide="sparkles"]::before { content: "✦"; }
i[data-lucide="shield-check"]::before { content: "◇"; }
i[data-lucide="book-open"]::before { content: "▱"; }
i[data-lucide="messages-square"]::before { content: "□"; }
i[data-lucide="smartphone"]::before { content: "▯"; }
i[data-lucide="files"]::before { content: "▧"; }
i[data-lucide="layout-template"]::before { content: "▦"; }
i[data-lucide="code-2"]::before { content: "〈〉"; }
i[data-lucide="refresh-cw"]::before { content: "↻"; }
i[data-lucide="lock-keyhole"]::before { content: "◇"; }
i[data-lucide="badge-check"]::before { content: "✓"; }
i[data-lucide="message-circle-more"]::before { content: "○"; }