:root {
  --ink: #17352f;
  --muted: #58706a;
  --brand: #0b7667;
  --brand-dark: #07584e;
  --mint: #e7f5ef;
  --cream: #fbf7ee;
  --line: #dce8e3;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(19, 65, 56, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: #f8fbfa;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 3px solid #c06c00; outline-offset: 4px; }
[id] { scroll-margin-top: 16px; }
.skip-link { position: fixed; top: 8px; left: 12px; z-index: 100; padding: 10px 16px; color: var(--ink); background: white; border-radius: 8px; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.shell, .content-shell { overflow-wrap: anywhere; }
.hero-grid > *, .grid-3 > *, .grid-4 > *, .flow > *, .footer-grid > * { min-width: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.93);
  border-bottom: 1px solid rgba(220,232,227,.9);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; min-width: 0; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .02em; }
.brand-mark { width: 38px; height: 38px; flex: 0 0 38px; display: grid; place-items: center; border-radius: 12px; color: white; background: linear-gradient(135deg, var(--brand), #36a58f); box-shadow: 0 8px 24px rgba(11,118,103,.23); }
.brand-text small { display: block; margin-top: -3px; color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .1em; }
.nav { display: flex; align-items: center; gap: 24px; font-size: 14px; font-weight: 650; }
.nav a { padding: 8px 0; color: #34544d; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a:focus { color: var(--brand); border-color: var(--brand); }
.menu-button { display: none; flex-shrink: 0; min-width: 44px; min-height: 44px; border: 1px solid var(--line); background: white; border-radius: 10px; padding: 8px 11px; color: var(--ink); font-size: 18px; cursor: pointer; }

.hero { position: relative; overflow: hidden; padding: 98px 0 84px; background: radial-gradient(circle at 78% 20%, #d8f2e8 0, transparent 31%), linear-gradient(135deg, #f8fcfa 0%, #eef8f4 52%, #fbf7ee 100%); }
.hero::after { content: ""; position: absolute; width: 330px; height: 330px; right: -110px; bottom: -160px; border: 1px solid rgba(11,118,103,.18); border-radius: 50%; box-shadow: 0 0 0 56px rgba(11,118,103,.045), 0 0 0 112px rgba(11,118,103,.025); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.25fr .75fr; gap: 64px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; padding: 7px 12px; color: var(--brand-dark); background: rgba(255,255,255,.75); border: 1px solid #cfe6de; border-radius: 999px; font-size: 13px; font-weight: 700; }
.hero h1 { max-width: 800px; margin: 0; font-size: clamp(40px, 5.5vw, 70px); line-height: 1.12; letter-spacing: -.035em; }
.hero h1 span { color: var(--brand); }
.hero-copy { max-width: 720px; margin: 24px 0 0; color: #45645d; font-size: clamp(17px, 2vw, 21px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border: 1px solid var(--brand); border-radius: 12px; font-weight: 750; transition: .2s ease; }
.button.primary { color: white; background: var(--brand); box-shadow: 0 12px 26px rgba(11,118,103,.2); }
.button.secondary { color: var(--brand-dark); background: rgba(255,255,255,.7); }
.button:hover { transform: translateY(-2px); }
.hero-card { padding: 28px; background: rgba(255,255,255,.78); border: 1px solid rgba(255,255,255,.95); border-radius: 24px; box-shadow: var(--shadow); }
.hero-card strong { display: block; margin-bottom: 16px; font-size: 18px; }
.path-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.path-list li { display: flex; gap: 11px; align-items: center; padding: 11px 12px; color: #385b53; background: #f4faf7; border-radius: 12px; }
.path-list b { width: 26px; height: 26px; display: grid; flex: 0 0 26px; place-items: center; color: white; background: var(--brand); border-radius: 50%; font-size: 12px; }

.section { padding: 88px 0; }
.section.alt { background: white; }
.section.soft { background: var(--cream); }
.section-head { max-width: 760px; margin-bottom: 36px; }
.section-kicker { margin: 0 0 10px; color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.section h2 { margin: 0; font-size: clamp(30px, 4vw, 46px); line-height: 1.2; letter-spacing: -.025em; }
.section-lead { color: var(--muted); font-size: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { padding: 26px; background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 8px 28px rgba(31,77,67,.05); }
.card .number { color: var(--brand); font-size: 13px; font-weight: 850; letter-spacing: .1em; }
.card h3 { margin: 8px 0 8px; font-size: 20px; }
.card p { margin: 0; color: var(--muted); }
.scene { display: flex; gap: 15px; align-items: flex-start; padding: 22px; background: #f8fbfa; border: 1px solid var(--line); border-radius: 16px; }
.scene-icon { width: 38px; height: 38px; display: grid; flex: 0 0 38px; place-items: center; color: var(--brand-dark); background: var(--mint); border-radius: 11px; font-weight: 850; }
.scene h3 { margin: 0 0 5px; font-size: 17px; }
.scene p { margin: 0; color: var(--muted); font-size: 14px; }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.flow-step { position: relative; padding: 26px 22px; color: white; background: linear-gradient(145deg, var(--brand-dark), var(--brand)); border-radius: 17px; }
.flow-step::after { content: "→"; position: absolute; right: -15px; top: 50%; z-index: 2; color: var(--brand); font-size: 22px; transform: translateY(-50%); }
.flow-step:last-child::after { display: none; }
.flow-step strong { display: block; font-size: 18px; }
.flow-step span { display: block; margin-top: 5px; color: #ccebe3; font-size: 13px; }
.notice { padding: 28px; color: #44655d; background: #f6faf8; border: 1px dashed #a8cfc3; border-radius: 18px; }
.notice strong { display: block; margin-bottom: 6px; color: var(--ink); }

.page-hero { padding: 74px 0 48px; background: linear-gradient(145deg, #edf8f4, #fbf7ee); border-bottom: 1px solid var(--line); }
.page-hero h1 { margin: 0; font-size: clamp(38px, 5vw, 58px); line-height: 1.15; letter-spacing: -.03em; }
.page-hero p { max-width: 720px; color: var(--muted); font-size: 18px; }
.content-shell { width: min(880px, calc(100% - 40px)); margin: 0 auto; padding: 64px 0 90px; }
.cms-content { color: #314f48; font-size: 17px; }
.cms-content p { margin: 0 0 18px; }
.cms-content h2 { margin: 46px 0 12px; color: var(--ink); font-size: 25px; font-weight: 820; line-height: 1.35; }
.cms-content h3 { margin: 30px 0 12px; color: var(--ink); font-size: 21px; line-height: 1.4; }
.cms-content a { color: var(--brand-dark); text-decoration: underline; text-underline-offset: 3px; }
.cms-content img, .cms-content video { max-width: 100%; height: auto; }
.cms-content iframe { max-width: 100%; }
.cms-content figure { max-width: 100%; margin: 24px 0; }
.cms-content pre { max-width: 100%; overflow-x: auto; padding: 18px; background: var(--mint); border-radius: 10px; }
.cms-content table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.cms-content th, .cms-content td { padding: 10px 12px; border: 1px solid var(--line); }
.cms-content blockquote { margin: 24px 0; padding: 4px 20px; border-left: 3px solid var(--brand); }
.cms-content p.section-title { margin: 46px 0 12px; color: var(--ink); font-size: 25px; font-weight: 820; line-height: 1.35; }
.cms-content p.label-line { margin-bottom: 10px; padding: 14px 16px; background: #f4faf7; border-left: 3px solid var(--brand); border-radius: 0 10px 10px 0; }
.cms-content p.list-line { margin: 8px 0; padding-left: 20px; position: relative; }
.cms-content p.list-line::before { content: ""; position: absolute; left: 2px; top: .8em; width: 7px; height: 7px; background: var(--brand); border-radius: 50%; }

.site-footer { padding: 50px 0 24px; color: #c9ddd7; background: #123b34; }
.footer-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 50px; }
.site-footer h2 { margin: 0 0 10px; color: white; font-size: 22px; }
.site-footer p { margin: 6px 0; }
.site-footer a { color: #e8f4f0; }
.site-footer a:hover { color: white; }
.footer-contact { display: grid; justify-items: end; gap: 22px; }
.wechat-card { display: flex; align-items: center; gap: 16px; }
.wechat-card img { width: 120px; height: 120px; flex: 0 0 120px; padding: 5px; object-fit: contain; background: white; border-radius: 12px; }
.wechat-card strong, .wechat-card span { display: block; }
.wechat-card strong { margin-bottom: 6px; color: white; font-size: 17px; }
.wechat-card span { color: #b6d1c9; font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; align-content: flex-start; justify-content: flex-end; gap: 12px 20px; }
.footer-links a:hover { color: white; }
.copyright { margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.13); color: #95b8ae; font-size: 13px; }

@media (max-width: 900px) {
  .site-header { position: relative; }
  .site-header.nav-ready { position: sticky; }
  .header-inner { flex-wrap: wrap; gap: 12px; padding: 12px 0; }
  .nav { display: grid; flex-basis: 100%; grid-template-columns: 1fr 1fr; gap: 4px 18px; padding: 14px; background: white; border: 1px solid var(--line); border-radius: 14px; }
  .nav-ready .header-inner { flex-wrap: nowrap; }
  .nav-ready .menu-button { display: block; }
  .nav-ready .nav { position: absolute; display: none; left: 14px; right: 14px; top: 100%; max-height: calc(100vh - 100px); max-height: calc(100dvh - 100px); overflow-y: auto; box-shadow: var(--shadow); }
  .nav-ready .nav.open { display: grid; }
  .nav a { min-height: 44px; padding: 10px; border: 0; border-radius: 8px; }
  .nav a:hover { background: var(--mint); }
  .hero { padding-top: 70px; }
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .flow-step:nth-child(2)::after { display: none; }
}

@media (max-width: 620px) {
  .shell, .content-shell { width: min(100% - 28px, 1160px); }
  .brand-text { font-size: 14px; }
  .brand-text small { display: none; }
  .hero { padding: 58px 0 60px; }
  .hero h1 { font-size: clamp(28px, 8vw, 40px); }
  .section { padding: 62px 0; }
  .grid-3, .grid-4, .flow { grid-template-columns: 1fr; }
  .flow-step::after { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-contact { justify-items: start; }
  .footer-links { justify-content: flex-start; }
  .nav { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .button:hover { transform: none; }
}

/* Shared copyright and filing details; official icon retains its 36:40 ratio. */
.footer-legal { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; line-height: 1.8; }
.footer-legal-item { display: inline-flex; align-items: center; white-space: nowrap; }
.footer-police-record { gap: 6px; }
.footer-police-record img { display: block; width: 18px; height: 20px; object-fit: contain; flex: 0 0 auto; }
@media (max-width: 760px) {
  .footer-legal { flex-direction: column; align-items: flex-start; gap: 8px; }
  .footer-legal-separator { display: none; }
}

/* V2 content additions, preserving V1 colors and responsive navigation. */
.work-chains {display:grid;gap:20px}.work-chain {padding:28px;border:1px solid var(--line);border-radius:18px;background:white}.work-chain h3 {margin:0 0 18px;font-size:22px}.work-chain p,.scope-note {color:var(--muted)}.chain-steps {display:flex;flex-wrap:wrap;gap:10px 26px;list-style:none;padding:0;margin:0}.chain-steps li {position:relative;padding:10px 14px;border-radius:10px;background:var(--mint);color:var(--brand-dark);font-weight:650}.chain-steps li:not(:last-child)::after {content:'→';position:absolute;right:-21px;top:10px;color:var(--brand)}.text-link {color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px}.faq-list details {padding:20px 0;border-bottom:1px solid var(--line)}.faq-list summary {cursor:pointer;font-size:19px;font-weight:700}.faq-list p {max-width:850px;color:var(--muted);margin-bottom:0}.work-system {margin:0 0 46px}.system-goal {text-align:center;background:var(--brand-dark);color:white;border-radius:16px;padding:24px}.system-goal span,.system-goal strong {display:block}.system-goal strong {font-size:30px}.system-layers {display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0}.system-layers>div {padding:20px;background:var(--mint);border-radius:14px}.system-layers h2 {font-size:20px;margin:0 0 10px}.system-layers p {margin:0}.system-base {display:flex;flex-wrap:wrap;gap:8px 24px;list-style:none;padding:20px;margin:0;border:1px solid var(--line);border-radius:14px}.system-base li:not(:last-child)::after {content:' →';color:var(--brand);margin-left:12px}.cms-content .card {margin-bottom:20px}.card a:hover {color:var(--brand);text-decoration:underline}.card h3 {line-height:1.5}.scope-note {font-size:14px}
@media(max-width:620px){.work-chain{padding:20px}.chain-steps{display:block}.chain-steps li{margin-bottom:28px}.chain-steps li:not(:last-child)::after{content:'↓';left:14px;right:auto;top:auto;bottom:-28px}.chain-steps li:last-child{margin-bottom:0}.system-layers{grid-template-columns:1fr}.page-hero h1{font-size:32px;line-height:1.35}.content-shell{padding-top:40px}.system-base{display:block}.system-base li{padding:6px 0}.system-base li:not(:last-child)::after{content:' ↓'}}
