:root {
  --ink: #183b35;
  --teal: #0c655d;
  --teal-deep: #123e37;
  --gold: #8b6a32;
  --gold-light: #dfc596;
  --paper: #f8f7f2;
  --line: #d6ded6;
  --muted: #596d64;
  --serif: "Noto Serif SC", "Noto Serif CJK SC", "Songti SC", STSong, SimSun, serif;
  --sans: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.85 var(--sans); }
body.menu-open { overflow: hidden; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 5px; box-shadow: 0 0 0 7px #fff; }
.skip-link { position: fixed; top: -80px; left: 16px; padding: 10px 18px; z-index: 200; background: #fff; }
.skip-link:focus { top: 12px; }
.preview-bar { position: relative; z-index: 80; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; min-height: 42px; padding: 0 32px; background: #163b34; color: #eef2eb; font-size: 11px; letter-spacing: .04em; }
.preview-label { display: flex; align-items: center; gap: 9px; white-space: nowrap; }
.preview-label i { width: 5px; height: 5px; border-radius: 50%; background: var(--gold-light); }
.demo-switcher { display: flex; align-self: stretch; }
.demo-switcher a { display: flex; align-items: center; gap: 9px; padding: 10px 20px; border-bottom: 2px solid transparent; }
.demo-switcher a[aria-current] { color: #f3dfb9; background: rgba(255,255,255,.07); border-color: var(--gold-light); }
.demo-switcher a:hover { background: rgba(255,255,255,.1); }
.switch-label { opacity: .83; }
.preview-actions { justify-self: end; display: flex; align-items: center; gap: 20px; white-space: nowrap; }
.motion-toggle { padding: 3px 0; border: 0; border-bottom: 1px solid #82998a; background: none; color: inherit; font-size: 11px; }
.motion-toggle:disabled { cursor: default; opacity: .75; }
.pv-header { position: relative; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { width: min(1280px, calc(100% - 80px)); min-height: 104px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.pv-brand { display: block; width: 228px; flex-shrink: 0; }
.pv-brand img { width: 100%; }
.pv-nav { display: flex; align-items: center; gap: clamp(14px, 1.6vw, 25px); }
.pv-nav a { position: relative; padding: 16px 0; font-size: 12px; white-space: nowrap; }
.pv-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 8px; height: 1px; background: var(--gold); transition: right .2s; }
.pv-nav a:hover::after, .pv-nav a[aria-current]::after { right: 0; }
.nav-toggle { width: 44px; height: 44px; border: 1px solid var(--line); background: transparent; display: grid; align-content: center; justify-content: center; gap: 6px; flex-shrink: 0; }
.nav-toggle span { width: 20px; height: 1px; background: var(--teal); }
.menu-open .nav-toggle span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-open .nav-toggle span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.pv-hero { position: relative; isolation: isolate; overflow: hidden; }
.hero-media { position: absolute; inset: 0; overflow: hidden; z-index: -1; background: #45675c; }
.hero-scenery { position: absolute; inset: -8px; background: url("/assets/hero-architecture.webp") 64% center / cover no-repeat; }
.hero-shade { position: absolute; inset: 0; }
.network-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-inner { width: min(1280px, calc(100% - 80px)); margin: auto; }
.hero-copy { position: relative; z-index: 2; }
.hero-kicker { display: flex; align-items: center; gap: 16px; margin: 0 0 27px; font-size: 11px; letter-spacing: .19em; color: var(--gold); }
.fine-rule { display: inline-block; width: 35px; height: 1px; background: currentColor; }
.hero-copy h1 { margin: 0; font: 400 clamp(38px, 4.4vw, 64px)/1.37 var(--serif); letter-spacing: .015em; }
.hero-copy h1 > span, .last-phrase { display: block; }
.hero-intro { max-width: 425px; margin: 25px 0 26px; font-size: 14px; line-height: 1.95; }
.hero-link { display: inline-flex; align-items: center; gap: 38px; min-height: 44px; padding: 8px 0; border-bottom: 1px solid currentColor; font-size: 12px; letter-spacing: .08em; }
.hero-link span { font-size: 20px; transition: transform .25s; }
.hero-link:hover span { transform: translate(2px, -2px); }
.hero-scroll { position: absolute; bottom: 28px; left: max(40px, calc((100% - 1280px) / 2)); display: flex; align-items: center; gap: 28px; font-size: 10px; letter-spacing: .15em; z-index: 3; }
.architecture-caption { position: absolute; bottom: 35px; right: 40px; display: flex; align-items: center; gap: 18px; color: #fff; font-size: 9px; letter-spacing: .19em; }
.architecture-caption i { height: 1px; width: 30px; background: var(--gold-light); }
.theme-panorama .pv-hero { min-height: 660px; color: #fff; }
.theme-panorama .hero-inner { padding: 78px 0 105px; }
.theme-panorama .hero-copy { max-width: 770px; }
.theme-panorama .hero-kicker { color: var(--gold-light); }
.theme-panorama .hero-intro { color: #e3eae1; }
.theme-panorama .hero-shade { background: linear-gradient(90deg, rgba(10,49,41,.96) 0%, rgba(14,58,48,.88) 29%, rgba(20,61,48,.52) 59%, rgba(25,62,48,.12) 100%), linear-gradient(0deg, rgba(6,30,26,.35), transparent 60%); }
.theme-panorama .hero-link { border-color: rgba(223,197,150,.8); }
.theme-panorama .hero-scroll { color: #e0e8de; }
.theme-editorial .pv-header { background: var(--paper); }
.theme-editorial .pv-hero { width: min(1280px, calc(100% - 80px)); margin: auto; padding: 52px 0 85px; min-height: 670px; display: grid; grid-template-columns: .96fr 1.04fr; gap: 68px; align-items: center; overflow: visible; }
.theme-editorial .hero-copy h1 { font-size: clamp(34px, 3.6vw, 52px); }
.theme-editorial .hero-media { position: relative; inset: auto; z-index: 0; min-height: 552px; height: 100%; border: 1px solid #9aa99b; }
.theme-editorial .hero-media::after { content: ""; position: absolute; inset: 12px; border: 1px solid rgba(255,255,255,.5); pointer-events: none; }
.theme-editorial .hero-shade { background: linear-gradient(0deg, rgba(17,56,42,.66), transparent 48%), linear-gradient(90deg, rgba(214,213,182,.1), transparent); }
.theme-editorial .hero-scenery { background-position: 61% center; }
.theme-editorial .hero-scroll { left: 0; bottom: 26px; color: var(--muted); }
.theme-editorial .hero-intro { color: var(--muted); }
.theme-editorial .architecture-caption { bottom: 30px; right: 27px; left: 27px; justify-content: space-between; flex-wrap: wrap; font-size: 8px; }
.theme-centered .header-inner { flex-direction: column; justify-content: center; gap: 3px; padding-top: 18px; min-height: 138px; }
.theme-centered .pv-brand { width: 246px; }
.theme-centered .pv-nav { gap: 34px; }
.theme-centered .pv-nav a { padding: 10px 0 17px; }
.theme-centered .pv-hero { min-height: 578px; }
.theme-centered .hero-scenery { background-position: center 58%; }
.theme-centered .hero-shade { background: radial-gradient(ellipse at center, rgba(249,248,240,.94), rgba(245,247,236,.7) 45%, rgba(229,235,216,.37) 100%), linear-gradient(0deg, rgba(236,239,226,.72), rgba(250,249,242,.3)); }
.theme-centered .hero-inner { padding: 83px 0 100px; }
.theme-centered .hero-copy { max-width: 1000px; margin: auto; text-align: center; }
.theme-centered .hero-copy h1 { font-size: clamp(34px, 3.7vw, 54px); line-height: 1.5; }
.theme-centered .last-phrase { display: inline; }
.theme-centered .hero-kicker { justify-content: center; }
.theme-centered .hero-intro { margin-left: auto; margin-right: auto; max-width: 470px; color: #344f43; }
.theme-centered .hero-link { color: var(--teal); }
.theme-centered .hero-scroll { left: 50%; transform: translateX(-50%); color: #395247; }
.theme-centered .architecture-caption { display: none; }
.section-wrap { width: min(1180px, calc(100% - 96px)); margin: 0 auto; }
.section-label { display: flex; align-items: center; gap: 17px; font-size: 11px; letter-spacing: .13em; color: var(--teal); }
.section-index { font: 400 12px/1.5 var(--serif); color: var(--gold); border-bottom: 1px solid #bca16c; padding-bottom: 4px; }
.about-section { padding: 88px 0 80px; display: grid; grid-template-columns: 175px 1fr; gap: 64px; align-items: start; }
.about-section > .section-label { padding-top: 12px; }
.about-content h2 { margin: 0; font: 400 clamp(27px, 2.9vw, 41px)/1.6 var(--serif); letter-spacing: .015em; }
.about-columns { display: grid; grid-template-columns: 1.4fr 1fr; gap: 45px; margin-top: 26px; }
.about-columns p { margin: 0; color: var(--muted); font-size: 14px; }
.about-columns .lead { color: var(--ink); }
.working-section { display: grid; grid-template-columns: 1.15fr .85fr; gap: 76px; align-items: center; padding: 24px 0 78px; }
.working-image { position: relative; overflow: hidden; }
.working-image img { width: 100%; aspect-ratio: 1.37; object-fit: cover; }
.image-corner { position: absolute; inset: 17px; border: 1px solid rgba(255,255,255,.42); }
.working-copy h2 { font: 400 clamp(32px, 3.1vw, 43px)/1.48 var(--serif); margin: 25px 0 21px; }
.working-copy p { max-width: 360px; margin: 0; font-size: 14px; color: var(--muted); }
.section-heading { display: flex; align-items: center; gap: 35px; margin-bottom: 28px; }
.heading-line { flex: 1; height: 1px; background: var(--line); }
.values-section { padding: 12px 0 78px; }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.value-card { position: relative; min-height: 230px; padding: 27px 28px 29px; border-right: 1px solid var(--line); background: rgba(255,255,255,.4); transition: background .25s, transform .25s; }
.value-card:last-child { border-right: 0; }
.value-card:hover { transform: translateY(-2px); background: rgba(229,238,227,.5); }
.value-number { font: 400 12px var(--serif); color: var(--gold); }
.value-card h3 { font: 400 25px var(--serif); margin: 31px 0 13px; }
.value-card p { max-width: 210px; font-size: 12px; color: var(--muted); margin: 0; }
.card-rule { display: block; width: 22px; height: 1px; margin-top: 24px; background: #baa576; }
.facts-section { background: #e9efea; border-top: 1px solid #d9e2d9; border-bottom: 1px solid #d9e2d9; }
.facts-section > .section-wrap { padding: 41px 0 48px; }
.facts-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.placeholder-note { margin: 0; font-size: 12px; color: #53695b; }
.facts-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 34px; }
.fact { padding: 0 30px; border-left: 1px solid #bdcebf; }
.fact:first-child { padding-left: 0; border-left: 0; }
.fact strong { font: 400 clamp(52px, 5.8vw, 76px)/1.15 var(--serif); letter-spacing: -.035em; }
.fact em { font: 400 20px var(--serif); color: var(--gold); margin-left: 9px; }
.fact > span { display: block; margin-top: 12px; font-size: 12px; color: #415c4e; letter-spacing: .06em; }
.mission-section { padding: 89px 0 97px; text-align: center; }
.mission-label { color: var(--gold); font-size: 11px; letter-spacing: .18em; }
.mission-section h2 { font: 400 clamp(28px, 3.2vw, 43px)/1.6 var(--serif); margin: 23px 0 29px; }
.mission-rule { display: block; width: 48px; height: 1px; margin: auto; background: #b69c65; }
.pv-footer { background: #153b32; color: #e6ede3; }
.footer-inner { width: min(1180px, calc(100% - 96px)); margin: auto; display: grid; grid-template-columns: 196px 220px 1fr; align-items: start; gap: 56px; padding: 49px 0; }
.footer-brand { padding: 11px 13px; background: #fafbf6; }
.footer-message > span { font-size: 11px; color: var(--gold-light); letter-spacing: .14em; }
.footer-message p { margin: 9px 0 0; font: 400 14px/1.8 var(--serif); }
.footer-inner nav { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px 20px; font-size: 11px; }
.footer-inner nav a:hover { color: var(--gold-light); }
.footer-meta { width: min(1180px, calc(100% - 96px)); margin: auto; padding: 18px 0 22px; display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid #49665a; font-size: 10px; color: #c9d6c8; }
.theme-editorial .about-section { border-top: 1px solid var(--line); padding-top: 67px; }
.theme-editorial .working-section { grid-template-columns: .78fr 1.22fr; gap: 85px; }
.theme-editorial .working-image { order: 2; }
.theme-editorial .working-copy { order: 1; }
.theme-editorial .facts-section { background: #f1eee4; border-color: #e0dacc; }
.theme-editorial .fact { border-color: #d2c9b5; }
.theme-editorial .mission-section { width: 100%; max-width: none; padding-left: 24px; padding-right: 24px; background: #174c41; color: #fff; }
.theme-editorial .mission-label { color: var(--gold-light); }
.theme-editorial .pv-footer { background: #153b32; }
.theme-centered .about-section { max-width: 960px; display: block; text-align: center; }
.theme-centered .about-section > .section-label { justify-content: center; padding: 0 0 26px; }
.theme-centered .about-columns { text-align: left; gap: 60px; margin-top: 32px; }
.theme-centered .working-section { gap: 0; grid-template-columns: 1.07fr .93fr; }
.theme-centered .working-copy { padding: 42px 50px; border: 1px solid var(--line); border-left: 0; background: rgba(255,255,255,.55); }
.theme-centered .working-copy h2 { font-size: 37px; }
.theme-centered .facts-section { background: #164f44; color: #fff; border: 0; }
.theme-centered .facts-heading .section-label, .theme-centered .fact > span { color: #edf1e7; }
.theme-centered .facts-heading .section-index, .theme-centered .fact em { color: var(--gold-light); }
.theme-centered .placeholder-note { color: #cfdfd0; }
.theme-centered .fact { border-color: #537d66; }
@media (max-width: 1100px) {
  .preview-bar { grid-template-columns: auto 1fr auto; gap: 12px; padding: 0 20px; }
  .preview-label { font-size: 10px; }
  .demo-switcher { justify-content: center; }
  .demo-switcher a { padding-left: 13px; padding-right: 13px; }
  .switch-label { display: none; }
  .pv-brand { width: 200px; }
  .pv-nav { gap: 16px; }
  .header-inner { gap: 22px; }
  .footer-inner { gap: 30px; grid-template-columns: 180px 190px 1fr; }
}
@media (max-width: 959px) {
  .header-inner, .theme-centered .header-inner { width: calc(100% - 40px); min-height: 86px; padding: 14px 0; flex-direction: row; flex-wrap: wrap; gap: 12px; }
  .pv-brand, .theme-centered .pv-brand { width: 205px; }
  .pv-nav, .theme-centered .pv-nav { width: 100%; gap: 22px; overflow: auto; }
  .is-enhanced .pv-nav { position: fixed; z-index: 50; top: var(--menu-top, 128px); bottom: 0; left: 0; right: 0; width: auto; padding: 24px; display: flex; flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); overflow: auto; }
  .is-enhanced .pv-nav a { padding: 12px 4px; font-size: 21px; font-family: var(--serif); border-bottom: 1px solid var(--line); }
  .is-enhanced .pv-nav a::after { display: none; }
  .hero-inner, .theme-editorial .pv-hero { width: calc(100% - 48px); }
  .theme-panorama .hero-inner { padding: 75px 0 104px; }
  .theme-panorama .hero-copy h1 { font-size: 49px; }
  .theme-panorama .hero-copy { max-width: 650px; }
  .theme-panorama .hero-shade { background: linear-gradient(90deg, rgba(10,49,41,.95), rgba(13,55,43,.78) 57%, rgba(20,58,46,.29)); }
  .theme-editorial .pv-hero { gap: 32px; min-height: 590px; }
  .theme-editorial .hero-copy h1 { font-size: 34px; }
  .theme-editorial .hero-media { min-height: 490px; }
  .theme-editorial .architecture-caption { flex-direction: column; align-items: flex-start; gap: 10px; }
  .theme-editorial .architecture-caption i { display: none; }
  .section-wrap, .footer-inner, .footer-meta { width: calc(100% - 48px); }
  .about-section { grid-template-columns: 125px 1fr; gap: 30px; padding: 65px 0; }
  .about-columns { grid-template-columns: 1fr; gap: 15px; }
  .working-section, .theme-editorial .working-section { gap: 34px; }
  .working-copy h2 { font-size: 33px; }
  .value-card { padding: 22px 18px; }
  .value-card h3 { font-size: 23px; }
  .footer-inner { grid-template-columns: 180px 1fr; gap: 28px; }
  .footer-inner nav { grid-column: 1 / -1; }
  .theme-centered .working-copy { padding: 28px; }
  .theme-centered .working-copy h2 { font-size: 31px; }
}
@media (max-width: 719px) {
  .preview-bar { grid-template-columns: 1fr auto; min-height: 42px; padding: 6px 14px; gap: 8px; }
  .preview-label { display: none; }
  .demo-switcher { justify-content: flex-start; }
  .demo-switcher a { padding: 5px 9px; font-size: 10px; }
  .preview-actions { gap: 12px; font-size: 10px; }
  .motion-toggle { font-size: 10px; }
  .header-inner, .theme-centered .header-inner { min-height: 79px; padding: 11px 0; }
  .pv-brand, .theme-centered .pv-brand { width: 190px; }
  .hero-inner { width: calc(100% - 40px); }
  .hero-copy h1, .theme-panorama .hero-copy h1 { font-size: clamp(31px, 7.7vw, 44px); line-height: 1.48; letter-spacing: 0; }
  .hero-kicker { margin-bottom: 24px; font-size: 10px; gap: 12px; letter-spacing: .1em; }
  .fine-rule { width: 24px; }
  .hero-intro { font-size: 13px; max-width: 345px; margin: 24px 0; }
  .theme-panorama .pv-hero { min-height: 582px; }
  .theme-panorama .hero-inner { padding: 68px 0 100px; }
  .theme-panorama .hero-scenery { background-position: 66% center; }
  .theme-panorama .hero-shade { background: linear-gradient(90deg, rgba(10,49,41,.94), rgba(13,55,43,.77) 66%, rgba(20,58,46,.50)); }
  .architecture-caption { display: none; }
  .hero-scroll { bottom: 24px; left: 20px; }
  .theme-editorial .pv-hero { width: calc(100% - 40px); display: flex; flex-direction: column; align-items: stretch; gap: 30px; min-height: 0; padding: 43px 0 57px; }
  .theme-editorial .hero-copy h1 { font-size: clamp(31px, 7.7vw, 44px); line-height: 1.48; }
  .theme-editorial .hero-intro { max-width: 420px; }
  .theme-editorial .hero-media { min-height: 300px; height: 350px; flex-shrink: 0; }
  .theme-editorial .architecture-caption { display: flex; flex-direction: row; bottom: 26px; left: 24px; right: 24px; }
  .theme-editorial .hero-scroll { bottom: 17px; }
  .theme-centered .pv-hero { min-height: 547px; }
  .theme-centered .hero-inner { padding: 59px 0 83px; }
  .theme-centered .hero-copy h1 { font-size: clamp(28px, 6.8vw, 40px); line-height: 1.65; }
  .theme-centered .last-phrase { display: block; }
  .theme-centered .hero-intro { max-width: 335px; }
  .theme-centered .hero-kicker { font-size: 9px; }
  .theme-centered .hero-shade { background: radial-gradient(ellipse at center, rgba(249,248,240,.95), rgba(245,247,236,.76) 53%, rgba(229,235,216,.52)); }
  .section-wrap, .footer-inner, .footer-meta { width: calc(100% - 40px); }
  .about-section, .theme-centered .about-section { display: block; padding: 53px 0 49px; text-align: left; }
  .about-section > .section-label, .theme-centered .about-section > .section-label { justify-content: flex-start; padding: 0; margin-bottom: 24px; }
  .about-content h2 { font-size: 28px; line-height: 1.6; }
  .wide-break { display: none; }
  .about-columns, .theme-centered .about-columns { display: block; margin-top: 20px; }
  .about-columns p + p { margin-top: 17px; }
  .working-section, .theme-editorial .working-section, .theme-centered .working-section { display: flex; flex-direction: column; gap: 27px; align-items: stretch; padding: 10px 0 53px; }
  .working-image, .theme-editorial .working-image { order: 0; }
  .working-copy, .theme-editorial .working-copy { order: 1; }
  .working-image img { aspect-ratio: 1.4; }
  .working-copy h2, .theme-centered .working-copy h2 { font-size: 31px; margin-top: 20px; }
  .working-copy h2 br { display: none; }
  .theme-centered .working-copy { padding: 26px; border: 1px solid var(--line); }
  .values-section { padding: 0 0 50px; }
  .value-grid { grid-template-columns: 1fr 1fr; }
  .value-card { min-height: 213px; padding: 22px 19px; }
  .value-card:nth-child(2) { border-right: 0; }
  .value-card:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .value-card h3 { font-size: 23px; margin-top: 24px; }
  .value-card p { font-size: 12px; }
  .facts-section > .section-wrap { padding: 34px 0 38px; }
  .facts-heading { align-items: flex-start; flex-direction: column; gap: 14px; }
  .placeholder-note { font-size: 11px; }
  .facts-grid { grid-template-columns: 1fr 1fr; gap: 27px 0; margin-top: 30px; }
  .fact { padding: 0 20px; }
  .fact:nth-child(3) { padding-left: 0; border-left: 0; }
  .fact strong { font-size: 54px; }
  .fact em { font-size: 17px; margin-left: 6px; }
  .mission-section { padding: 57px 0 61px; }
  .mission-section h2 { font-size: 27px; line-height: 1.7; }
  .mission-section h2 br { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 27px; padding: 35px 0; }
  .footer-brand { width: 195px; }
  .footer-inner nav { grid-template-columns: repeat(2, 1fr); font-size: 12px; }
  .footer-meta { flex-direction: column; gap: 8px; font-size: 10px; }
}
@media (max-width: 359px) {
  .preview-actions { gap: 8px; }
  .demo-switcher a { padding-left: 7px; padding-right: 7px; }
  .pv-brand, .theme-centered .pv-brand { width: 178px; }
  .hero-copy h1, .theme-panorama .hero-copy h1, .theme-editorial .hero-copy h1 { font-size: 29px; }
  .theme-centered .hero-copy h1 { font-size: 27px; }
  .value-card { padding-left: 15px; padding-right: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .network-canvas { display: none; }
  .hero-scenery { transform: none !important; }
  .value-card:hover, .hero-link:hover span { transform: none; }
}