:root {
  --forest: #082f2a;
  --forest-2: #0b3a34;
  --forest-3: #10463e;
  --ivory: #f5f0e6;
  --paper: #fbf8f1;
  --muted: #c7d0c5;
  --lime: #b8d75a;
  --lime-dark: #93b437;
  --gold: #c8a86b;
  --gold-soft: rgba(200, 168, 107, 0.22);
  --line: rgba(245, 240, 230, 0.14);
  --ink: #17332d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--forest);
  color: var(--ivory);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; }
.site-shell p { margin-top: 0; }
.site-shell ul, .site-shell ol { margin-top: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.container { width: min(1320px, calc(100% - 96px)); margin-inline: auto; }
.container.narrow { width: min(900px, calc(100% - 96px)); }
.site-shell { min-height: 100vh; overflow: hidden; }
.eyebrow { margin: 0 0 18px; color: var(--lime); font-size: 12px; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; }
h1, .display, .section-title, .page-hero h1, .final-cta h2 {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  font-weight: 600;
}
.section { padding: 112px 0; }
.section-paper { background: var(--paper); color: var(--ink); }
.section-deep { background: #062722; }
.section-kicker { margin-bottom: 16px; color: var(--gold); font-size: 13px; font-weight: 700; letter-spacing: .18em; }
.section-title { max-width: 820px; margin-bottom: 22px; font-size: clamp(38px, 4.1vw, 64px); line-height: 1.24; }
.section-lead { max-width: 760px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.9; }
.section-paper .section-lead { color: #5e6e68; }

.site-header { position: relative; z-index: 30; border-bottom: 1px solid var(--line); background: rgba(8,47,42,.94); backdrop-filter: blur(18px); }
.header-inner { min-height: 106px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; flex-direction: column; flex: 0 0 auto; }
.brand strong { font-family: "Noto Serif SC", "Songti SC", serif; color: var(--ivory); font-size: 34px; font-weight: 600; letter-spacing: .04em; line-height: 1.1; }
.brand span { margin-top: 9px; color: var(--gold); font-size: 10px; font-weight: 700; letter-spacing: .38em; }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 32px; }
.main-nav a { position: relative; color: #e7e2d8; font-size: 15px; white-space: nowrap; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -10px; height: 1px; background: var(--gold); transition: right .2s ease; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { right: 0; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line); background: transparent; }
.menu-toggle span:not(.sr-only) { display: block; height: 1px; margin: 5px 0; background: var(--ivory); }
.button { min-height: 54px; padding: 0 26px; border: 1px solid transparent; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; border-radius: 2px; font-weight: 600; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--lime); color: #102b25; }
.button-primary:hover { background: #c8e76b; }
.button-outline { border-color: var(--gold); background: transparent; color: var(--gold); }
.button-outline:hover { background: rgba(200,168,107,.1); }
.header-cta { min-height: 44px; padding-inline: 20px; font-size: 14px; }
.button-row { display: flex; flex-wrap: wrap; gap: 16px; }

.hero { position: relative; min-height: 770px; display: grid; align-items: center; background: radial-gradient(circle at 78% 36%, rgba(184,215,90,.07), transparent 32%), linear-gradient(135deg,#082f2a,#062722); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(245,240,230,.07) 1px, transparent 1px), linear-gradient(90deg,rgba(245,240,230,.05) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to right, transparent 25%, black 90%); }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 30px; align-items: center; padding: 70px 0 84px; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { max-width: 770px; margin-bottom: 30px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: clamp(54px,5.7vw,86px); font-weight: 600; letter-spacing: -.04em; line-height: 1.27; }
.hero .accent-line { width: 74px; height: 3px; margin: 0 0 28px; background: var(--lime); }
.hero-copy > p:not(.eyebrow) { max-width: 680px; margin: 0 0 32px; color: #d9dfd7; font-size: 18px; line-height: 1.95; }
.hero-art { position: relative; min-height: 500px; display: grid; place-items: center; }
.hero-art img { width: min(650px,110%); filter: drop-shadow(0 28px 38px rgba(0,0,0,.22)); }
.hero-art-placeholder { position: relative; width: 92%; aspect-ratio: 4/3; }
.hero-paper { position: absolute; left: 15%; top: 22%; width: 65%; height: 42%; padding: 34px; border-radius: 4px; background: var(--ivory); box-shadow: 0 24px 44px rgba(0,0,0,.25); transform: rotate(6deg); }
.hero-paper::before, .hero-paper::after { content: ""; display: block; height: 10px; margin-bottom: 18px; background: #6e8f80; box-shadow: 0 24px 0 #bcc2b9, 0 48px 0 #d2d1c8; }
.hero-paper::before { width: 34%; background: var(--lime); }
.hero-paper.back { left: 8%; top: 39%; transform: rotate(-4deg); opacity: .7; }
.hero-orbit { position: absolute; inset: 12% 1% 4% 22%; border: 1px solid var(--gold); border-radius: 50%; transform: rotate(-17deg); opacity: .7; }
.hero-orbit::before, .hero-orbit::after { content: ""; position: absolute; width: 12px; height: 12px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 7px rgba(200,168,107,.12); }
.hero-orbit::before { right: 8%; top: 16%; }
.hero-orbit::after { left: 18%; bottom: 9%; background: var(--lime); }
.capability-strip { position: absolute; left: 0; right: 0; bottom: 0; border-top: 1px solid var(--line); }
.capability-inner { display: grid; grid-template-columns: repeat(4,1fr); }
.capability { min-height: 110px; padding: 26px 28px; display: flex; align-items: center; gap: 16px; border-right: 1px solid var(--line); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 19px; }
.capability:last-child { border-right: 0; }
.capability span { color: var(--lime); font-family: Georgia,serif; font-size: 30px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.pain-grid { margin-top: 54px; }
.pain-card, .service-card, .reason-card, .case-card, .solution-card { position: relative; padding: 34px; border: 1px solid rgba(23,51,45,.14); background: #fffdf8; }
.pain-card span, .process-step span { color: var(--gold); font-family: Georgia,serif; font-size: 26px; }
.pain-card h3, .service-card h3, .reason-card h3, .case-card h3, .solution-card h3 { margin: 20px 0 12px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 25px; }
.pain-card p, .service-card p, .reason-card p, .case-card p, .solution-card p { margin: 0; color: #64736d; line-height: 1.85; }
.services-grid { margin-top: 54px; }
.service-card { min-height: 360px; border-color: var(--line); background: var(--forest-2); color: var(--ivory); }
.service-card .card-number { color: var(--gold); font-size: 13px; letter-spacing: .18em; }
.service-card p { color: var(--muted); }
.text-link { margin-top: 28px; display: inline-flex; align-items: center; gap: 10px; color: var(--lime); font-weight: 700; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(5px); }
.process-grid { margin-top: 58px; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.process-step { min-height: 260px; padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-step h3 { margin: 24px 0 12px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 24px; }
.process-step p { margin: 0; color: var(--muted); line-height: 1.8; }
.solution-grid, .case-grid, .reason-grid { margin-top: 54px; }
.solution-card { min-height: 390px; padding: 42px; overflow: hidden; }
.solution-card::after { content: ""; position: absolute; width: 180px; height: 180px; right: -70px; bottom: -80px; border: 1px solid var(--gold-soft); border-radius: 50%; box-shadow: 0 0 0 34px rgba(200,168,107,.05),0 0 0 68px rgba(200,168,107,.04); }
.solution-card small, .case-card small { color: #8c7651; font-weight: 700; letter-spacing: .12em; }
.case-card { min-height: 350px; padding: 42px; }
.case-note { margin-top: 40px; }
.case-meta { margin: 20px 0; display: flex; flex-wrap: wrap; gap: 8px; }
.case-meta span { padding: 7px 10px; background: #eef1e9; color: #58665f; font-size: 12px; }
.reason-card { min-height: 250px; background: transparent; border-color: var(--line); color: var(--ivory); }
.reason-card p { color: var(--muted); }
.asset-banner { margin-top: 54px; padding: 50px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; align-items: center; border: 1px solid var(--gold); background: linear-gradient(135deg,rgba(200,168,107,.12),transparent); }
.asset-banner .asset-mark { width: 160px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid var(--gold); border-radius: 50%; color: var(--lime); font-family: Georgia,serif; font-size: 64px; }
.asset-banner h3 { margin-bottom: 16px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 35px; }
.asset-banner p { margin: 0; color: var(--muted); line-height: 1.9; }

.faq-list { margin-top: 50px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 27px 52px 27px 0; position: relative; cursor: pointer; list-style: none; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 21px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 8px; top: 24px; color: var(--gold); font-family: Arial,sans-serif; font-size: 28px; }
.faq-list details[open] summary::after { content: "−"; }
.faq-answer { max-width: 900px; padding: 0 50px 28px 0; color: var(--muted); line-height: 1.95; }
.faq-group { margin-bottom: 72px; }
.section-paper .faq-list { border-color: rgba(23,51,45,.16); }
.section-paper .faq-list details { border-color: rgba(23,51,45,.16); }
.section-paper .faq-answer { color: #5e6e68; }

.page-hero { padding: 112px 0 96px; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 75% 0,rgba(184,215,90,.08),transparent 36%); }
.page-hero h1 { margin-bottom: 24px; font-size: clamp(50px,6vw,86px); line-height: 1.25; }
.page-intro { max-width: 780px; margin: 0; color: var(--muted); font-size: 19px; line-height: 1.95; }
.content-prose { max-width: 820px; }
.content-prose h2 { margin: 60px 0 20px; font-family: "Noto Serif SC","Songti SC",serif; font-size: 38px; }
.content-prose h2:first-child { margin-top: 0; }
.content-prose h3 { margin: 34px 0 12px; font-size: 23px; }
.content-prose p, .content-prose li { color: #60716a; font-size: 17px; line-height: 1.95; }
.content-prose ul { padding-left: 1.2em; }
.service-detail-grid { margin-top: 50px; }
.profile-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; align-items: start; }
.photo-placeholder { min-height: 560px; display: grid; place-items: end center; padding: 38px; border: 1px solid rgba(23,51,45,.14); background: linear-gradient(160deg,#d9dfd7,#f4efe5); color: #60716a; text-align: center; }
.photo-silhouette { width: 180px; height: 240px; margin: auto; border-radius: 100px 100px 20px 20px; background: #b6c3b8; position: relative; }
.photo-silhouette::before { content: ""; position: absolute; width: 105px; height: 105px; left: 38px; top: -78px; border-radius: 50%; background: #b6c3b8; }
.principle-grid { margin-top: 50px; }
.contact-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 44px; align-items: start; }
.contact-card { padding: 42px; background: var(--forest-2); border: 1px solid var(--line); }
.contact-card h2 { font-family: "Noto Serif SC","Songti SC",serif; font-size: 34px; }
.contact-card p { color: var(--muted); line-height: 1.8; }
.contact-phone { display: block; margin: 28px 0; color: var(--lime); font-family: Georgia,serif; font-size: clamp(34px,4vw,54px); }
.contact-qr { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; align-items: start; }
.qr-panel { min-width: 0; padding: 14px; background: #fff; color: var(--ink); text-align: center; }
.qr-panel img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.qr-panel strong { display: block; min-height: 42px; margin-top: 12px; font-size: 14px; line-height: 1.5; }
.privacy-note { font-size: 14px; }
.final-cta { padding: 92px 0; border-top: 1px solid var(--line); background: #061f1c; }
.cta-inner { display: flex; justify-content: space-between; align-items: end; gap: 60px; }
.final-cta h2 { max-width: 760px; margin-bottom: 16px; font-size: clamp(38px,4vw,60px); }
.final-cta p:not(.eyebrow) { max-width: 720px; margin: 0; color: var(--muted); line-height: 1.8; }

.site-footer { padding-top: 76px; background: #041b18; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.1fr .55fr 1.35fr; gap: 70px; }
.footer-brand p { max-width: 390px; margin: 26px 0; color: var(--muted); line-height: 1.8; }
.footer-brand .phone-link { display: block; color: var(--lime); font-family: Georgia,serif; font-size: 28px; }
.footer-brand > span { display: block; margin-top: 8px; color: var(--muted); }
.footer-links, .footer-social { display: flex; flex-direction: column; gap: 13px; }
.footer-links > strong, .footer-social > strong { margin-bottom: 10px; color: var(--gold); }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--ivory); }
.social-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.social-card { min-width: 0; padding: 10px; display: flex; flex-direction: column; gap: 10px; background: rgba(255,255,255,.05); border: 1px solid var(--line); }
.social-card img { width: 100%; aspect-ratio: 1; object-fit: contain; background: #fff; }
.social-card span { display: flex; flex-direction: column; gap: 3px; }
.social-card small { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.footer-bottom { margin-top: 62px; padding: 22px 0; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); color: #8fa098; font-size: 13px; }

.modal-backdrop { position: fixed; z-index: 100; inset: 0; padding: 24px; display: grid; place-items: center; background: rgba(2,18,15,.82); backdrop-filter: blur(8px); }
.modal-backdrop[hidden] { display: none; }
.qr-modal { position: relative; width: min(430px,100%); padding: 42px; background: var(--paper); color: var(--ink); box-shadow: 0 30px 70px rgba(0,0,0,.35); }
.qr-modal h2 { font-family: "Noto Serif SC","Songti SC",serif; font-size: 30px; }
.qr-modal img { width: 280px; margin: 22px auto; }
.qr-modal p:not(.eyebrow), .qr-modal small { display: block; margin: 8px 0; color: #5e6e68; text-align: center; }
.modal-close { position: absolute; right: 14px; top: 10px; border: 0; background: transparent; color: var(--ink); cursor: pointer; font-size: 30px; }

@media (max-width: 1120px) {
  .container { width: min(100% - 48px, 960px); }
  .container.narrow { width: min(100% - 48px, 820px); }
  .main-nav { gap: 18px; }
  .main-nav a { font-size: 13px; }
  .header-cta { display: none; }
  .hero-inner { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: clamp(48px,6vw,68px); }
  .footer-grid { grid-template-columns: 1fr .45fr 1.2fr; gap: 34px; }
}

@media (max-width: 820px) {
  .container, .container.narrow { width: min(100% - 36px, 680px); }
  .section { padding: 78px 0; }
  .header-inner { min-height: 82px; }
  .brand strong { font-size: 28px; }
  .brand span { margin-top: 6px; }
  .menu-toggle { display: block; margin-left: auto; }
  .main-nav { position: absolute; left: 0; right: 0; top: 82px; padding: 24px; display: none; flex-direction: column; align-items: stretch; gap: 0; background: #062722; border-bottom: 1px solid var(--line); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 15px 0; font-size: 16px; border-bottom: 1px solid var(--line); }
  .hero { min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; padding: 64px 0 150px; }
  .hero h1 { font-size: clamp(44px,11vw,66px); }
  .hero-art { min-height: 390px; }
  .capability-inner { grid-template-columns: repeat(2,1fr); }
  .capability { min-height: 72px; padding: 16px; font-size: 15px; border-bottom: 1px solid var(--line); }
  .grid-3, .process-grid { grid-template-columns: 1fr; }
  .grid-2, .profile-layout, .contact-layout, .asset-banner { grid-template-columns: 1fr; }
  .service-card, .solution-card, .case-card { min-height: auto; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .social-list { max-width: 520px; }
  .photo-placeholder { min-height: 440px; }
}

@media (max-width: 520px) {
  .container, .container.narrow { width: min(100% - 28px, 480px); }
  .section { padding: 64px 0; }
  .hero-inner { padding-top: 52px; }
  .hero h1 { font-size: 44px; line-height: 1.34; }
  .hero-copy > p:not(.eyebrow) { font-size: 16px; }
  .hero-art { min-height: 300px; }
  .hero-paper { padding: 20px; }
  .button-row { flex-direction: column; }
  .button-row .button { width: 100%; }
  .capability { font-size: 13px; gap: 8px; }
  .capability span { font-size: 22px; }
  .pain-card, .service-card, .reason-card, .case-card, .solution-card, .contact-card { padding: 26px; }
  .asset-banner { padding: 28px; }
  .asset-banner .asset-mark { width: 110px; font-size: 44px; }
  .page-hero { padding: 76px 0 68px; }
  .page-hero h1 { font-size: 46px; }
  .contact-qr { grid-template-columns: 1fr; }
  .social-list { grid-template-columns: 1fr; }
  .social-card { display: grid; grid-template-columns: 86px 1fr; align-items: center; }
  .footer-bottom { flex-direction: column; }
  .qr-modal { padding: 30px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}