:root {
  color-scheme: light;
  --paper: #fffaf2;
  --paper-deep: #eef7fc;
  --ink: #173f59;
  --muted: #607581;
  --line: rgba(31, 91, 125, .15);
  --surface: rgba(255, 255, 255, .9);
  --brand-blue: #1d6f98;
  --brand-blue-deep: #174f70;
  --brand-blue-soft: #e8f5fb;
  --brand-orange: #d98945;
  --shadow: 0 20px 60px rgba(34, 96, 128, .12);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: linear-gradient(180deg, #fffdf8 0, var(--paper) 44%, #f8fcfe 100%); line-height: 1.7; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .5; background: radial-gradient(circle at 88% 8%, rgba(125, 205, 239, .22), transparent 28%), radial-gradient(circle at 8% 76%, rgba(240, 186, 129, .13), transparent 25%); z-index: -2; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 50; padding: 10px 16px; background: var(--ink); color: white; border-radius: 8px; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(255, 252, 246, .9); backdrop-filter: blur(18px); box-shadow: 0 8px 30px rgba(35, 91, 122, .05); }
.site-header__inner { width: min(1180px, calc(100% - 40px)); margin: auto; min-height: 82px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; width: max-content; }
.brand img { border-radius: 13px; box-shadow: 0 8px 20px rgba(0,0,0,.12); }
.brand span { display: grid; line-height: 1.15; }
.brand strong { font-family: "Songti SC", "STSong", Georgia, serif; font-size: 18px; }
.brand small { color: var(--muted); letter-spacing: .06em; }
.site-header nav { display: flex; align-items: stretch; }
.site-header nav a { min-width: 90px; padding: 12px 16px; display: grid; text-align: center; text-decoration: none; border-bottom: 2px solid transparent; }
.site-header nav a small { font-size: 10px; color: var(--muted); letter-spacing: .12em; }
.site-header nav a[aria-current="page"] { border-color: var(--accent); color: var(--accent); }
.all-apps { justify-self: end; min-height: 44px; display: flex; align-items: center; gap: 6px; text-decoration: none; font-weight: 700; }

main { overflow: hidden; }
.hero, .section, .document, .catalog, .compact-directory { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.hero { min-height: 680px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 72px; align-items: center; padding: 88px 0; position: relative; }
.hero::before { content: ""; position: absolute; width: 620px; height: 620px; right: -180px; top: 20px; background: color-mix(in srgb, var(--accent-soft) 72%, var(--brand-blue-soft)); border-radius: 46% 54% 62% 38% / 52% 45% 55% 48%; z-index: -1; transform: rotate(-8deg); filter: saturate(.86); }
.eyebrow { margin: 0 0 18px; font-size: 12px; font-weight: 800; letter-spacing: .2em; color: var(--accent, #6a4930); text-transform: uppercase; }
.hero h1, .document-hero h1, .catalog-hero h1, .compact-directory h1 { margin: 0; font-family: "Songti SC", "STSong", "Iowan Old Style", Georgia, serif; font-weight: 700; letter-spacing: -.045em; line-height: .98; }
.hero h1 { font-size: clamp(64px, 8vw, 116px); }
.hero h1 span { display: block; margin-top: 18px; font-family: "Iowan Old Style", Georgia, serif; font-size: .28em; font-style: italic; font-weight: 400; color: var(--accent); letter-spacing: .02em; }
.hero__tagline { max-width: 16em; margin: 32px 0 16px; font: 600 clamp(24px, 3vw, 38px)/1.35 "Songti SC", "STSong", serif; }
.lede { font-size: clamp(18px, 2vw, 22px); color: var(--muted); max-width: 38em; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.badges span, .catalog-hero div span { padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; font-weight: 700; background: var(--surface); }
.hero__mark { justify-self: center; display: grid; place-items: center; position: relative; width: 360px; height: 420px; }
.hero__mark img { width: 210px; border-radius: 46px; box-shadow: 0 34px 80px color-mix(in srgb, var(--accent) 26%, transparent); transform: rotate(3deg); z-index: 2; }
.hero__mark b { position: absolute; bottom: 22px; left: 10px; font: italic 30px/1 "Iowan Old Style", Georgia, serif; color: var(--accent); transform: rotate(-90deg); transform-origin: left; }
.orbit { position: absolute; width: 340px; height: 340px; border: 1px solid color-mix(in srgb, var(--accent) 42%, transparent); border-radius: 50%; animation: orbit 22s linear infinite; }
.orbit::after { content: ""; width: 14px; height: 14px; position: absolute; top: 25px; left: 55px; background: var(--accent); border-radius: 50%; }
@keyframes orbit { to { transform: rotate(360deg); } }
.reveal { animation: reveal .8s both cubic-bezier(.2,.65,.25,1); }
.hero__mark.reveal { animation-delay: .16s; }
@keyframes reveal { from { opacity: 0; transform: translateY(24px); } }

.section { padding: 112px 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: .4fr 1.6fr; gap: 40px; margin-bottom: 56px; }
.section-heading p { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .18em; }
.section-heading h2, .statement h2, .document__intro h2, .support-lead h2, .catalog-note h2 { margin: 0; max-width: 18em; font: 700 clamp(34px, 5vw, 62px)/1.12 "Songti SC", "STSong", serif; letter-spacing: -.035em; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: solid var(--line); border-width: 1px 0 0 1px; }
.feature { min-height: 240px; padding: 32px; border: solid var(--line); border-width: 0 1px 1px 0; background: var(--surface); transition: transform .25s, background .25s, box-shadow .25s; }
.feature:hover { transform: translateY(-5px); background: color-mix(in srgb, var(--accent-soft) 55%, white); box-shadow: var(--shadow); }
.feature__index { font: italic 20px/1 "Iowan Old Style", Georgia, serif; color: var(--accent); }
.feature h3 { margin: 42px 0 10px; font: 700 25px/1.2 "Songti SC", "STSong", serif; }
.feature p { margin: 0; color: var(--muted); }
.statement { margin-inline: max(14px, calc((100vw - 1240px)/2)); padding: 88px clamp(28px, 6vw, 78px); color: var(--ink); background: linear-gradient(135deg, #edf8fd, #fff9ef); border: 1px solid rgba(37, 118, 160, .14); border-radius: 34px; box-shadow: 0 24px 70px rgba(37, 102, 137, .1); display: grid; grid-template-columns: .35fr 1.2fr .45fr; gap: 40px; align-items: end; }
.statement > p { color: var(--brand-blue); font-size: 12px; font-weight: 800; letter-spacing: .18em; }
.statement a { justify-self: end; color: var(--brand-blue-deep); font-weight: 800; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.split .section-heading { display: block; }
.notice { padding: 24px 28px; border-left: 4px solid var(--accent); background: var(--accent-soft); }
.notice strong { display: block; margin-bottom: 6px; font-family: "Songti SC", "STSong", serif; font-size: 21px; }
.notice p { margin: 0; }
.notice--strong { max-width: 860px; }
.text-link { display: inline-block; margin-top: 20px; color: var(--accent); font-weight: 800; }

.document-hero { padding: 112px max(20px, calc((100vw - 1180px)/2)) 96px; background: var(--accent-soft); border-bottom: 1px solid var(--line); }
.document-hero h1 { font-size: clamp(52px, 8vw, 94px); }
.document-hero > p:last-child { margin-top: 28px; color: var(--muted); }
.document { padding: 92px 0 112px; }
.document__intro { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-bottom: 60px; align-items: start; }
.policy-grid { display: grid; grid-template-columns: repeat(2, 1fr); border: solid var(--line); border-width: 1px 0 0 1px; margin-bottom: 36px; }
.policy-card { padding: 34px; border: solid var(--line); border-width: 0 1px 1px 0; background: var(--surface); }
.policy-card h3 { margin: 0 0 12px; font: 700 24px/1.3 "Songti SC", "STSong", serif; }
.policy-card p { margin: 0; color: var(--muted); }
.document > .policy-card { margin-top: 36px; border: 1px solid var(--line); }
.document--english { border-top: 1px solid var(--line); }
.support-lead { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: center; margin-bottom: 48px; }
.support-button { min-height: 52px; padding: 12px 22px; display: inline-flex; align-items: center; justify-content: center; background: var(--accent); color: white; border-radius: 999px; text-decoration: none; font-weight: 800; box-shadow: 0 12px 26px color-mix(in srgb, var(--accent) 25%, transparent); }
.faq { border-top: 1px solid var(--line); margin-bottom: 40px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { min-height: 72px; padding: 20px 6px; display: flex; align-items: center; cursor: pointer; font: 700 22px/1.3 "Songti SC", "STSong", serif; }
.faq details p { max-width: 760px; margin: 0 0 24px; color: var(--muted); }

.directory-header { width: min(1180px, calc(100% - 40px)); min-height: 82px; margin: auto; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.directory-header a { font-weight: 800; text-decoration: none; }
.directory-header span { color: var(--muted); }
.catalog { padding: 86px 0 110px; }
.catalog-hero { max-width: 960px; margin-bottom: 82px; }
.catalog-hero h1 { font-size: clamp(58px, 9vw, 110px); }
.catalog-hero h1 em { color: #8b5a35; font-weight: 400; }
.catalog-hero > p { max-width: 720px; margin-top: 32px; font-size: 20px; color: var(--muted); }
.catalog-hero div { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.catalog-grid { display: grid; grid-template-columns: repeat(2, 1fr); border: solid var(--line); border-width: 1px 0 0 1px; }
.catalog-card { min-height: 260px; padding: 34px; display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: start; border: solid var(--line); border-width: 0 1px 1px 0; background: rgba(255,255,255,.94); text-decoration: none; position: relative; overflow: hidden; transition: transform .25s, box-shadow .25s, border-color .25s; }
.catalog-card::before { content: ""; position: absolute; width: 210px; height: 210px; border-radius: 50%; right: -110px; bottom: -120px; background: var(--card-soft); transition: transform .3s; }
.catalog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--card-accent) 32%, transparent); z-index: 1; }
.catalog-card:hover::before { transform: scale(1.35); }
.catalog-card img { border-radius: 18px; box-shadow: 0 10px 22px rgba(0,0,0,.14); }
.catalog-card__number { position: absolute; top: 12px; right: 18px; color: var(--card-accent); font: italic 16px/1 Georgia, serif; }
.catalog-card h2 { margin: 18px 0 0; font: 700 34px/1.2 "Songti SC", "STSong", serif; }
.catalog-card p, .catalog-card small { display: block; margin: 2px 0 0; color: var(--muted); }
.catalog-card > b { align-self: end; color: var(--card-accent); font-size: 28px; }
.status { padding: 5px 9px; border: 1px solid var(--card-accent); color: var(--card-accent); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.catalog-note { margin-top: 80px; padding: 52px; background: linear-gradient(135deg, #e8f5fb, #fff7eb); color: var(--ink); border: 1px solid rgba(33, 111, 153, .15); border-radius: 28px; box-shadow: 0 18px 56px rgba(39, 101, 134, .09); }
.catalog-note p { max-width: 700px; color: var(--muted); }
.catalog-note a { color: var(--brand-blue-deep); font-weight: 800; }
.compact-directory { padding: 100px 0; }
.compact-directory > section { max-width: 780px; margin-bottom: 60px; }
.compact-directory h1 { font-size: clamp(54px, 8vw, 92px); }
.directory-list { display: grid; grid-template-columns: 1fr 1fr; border: solid var(--line); border-width: 1px 0 0 1px; }
.directory-row { min-height: 120px; padding: 24px; display: grid; grid-template-columns: auto 1fr auto; gap: 18px; align-items: center; border: solid var(--line); border-width: 0 1px 1px 0; text-decoration: none; background: var(--surface); }
.directory-row:hover { background: color-mix(in srgb, var(--row-accent) 12%, var(--surface)); }
.directory-row img { border-radius: 14px; }
.directory-row span { display: grid; }
.directory-row strong { font: 700 22px/1.2 "Songti SC", "STSong", serif; }
.directory-row small { color: var(--muted); }
.directory-row b { color: var(--row-accent); }
.contact-strip { margin-top: 42px; padding: 22px 0; border-top: 1px solid var(--line); }

.site-footer { width: min(1180px, calc(100% - 40px)); margin: auto; padding: 54px 0 40px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; gap: 24px; }
.site-footer > div { display: flex; flex-wrap: wrap; gap: 14px 24px; }
.site-footer > div:first-child { display: grid; }
.site-footer span, .site-footer p { color: var(--muted); }
.site-footer p { grid-column: 1 / -1; font-size: 12px; }

@media (max-width: 900px) {
  .site-header__inner { grid-template-columns: 1fr auto; }
  .site-header nav { order: 3; grid-column: 1 / -1; overflow-x: auto; border-top: 1px solid var(--line); }
  .site-header nav a { flex: 1; min-width: 84px; }
  .hero { min-height: 0; grid-template-columns: 1fr; gap: 34px; padding-top: 64px; }
  .hero::before { width: 430px; height: 430px; right: -180px; top: 280px; }
  .hero__mark { width: 100%; height: 300px; }
  .hero__mark img { width: 170px; border-radius: 38px; }
  .orbit { width: 260px; height: 260px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .statement { grid-template-columns: 1fr; align-items: start; }
  .statement a { justify-self: start; }
  .split, .document__intro { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-header__inner, .hero, .section, .document, .catalog, .compact-directory, .directory-header, .site-footer { width: min(100% - 28px, 1180px); }
  .site-header__inner { gap: 10px; }
  .brand img { width: 42px; height: 42px; }
  .all-apps { font-size: 13px; }
  .hero { padding: 50px 0 72px; }
  .hero h1 { font-size: clamp(54px, 18vw, 80px); }
  .hero__tagline { font-size: 25px; }
  .hero__mark { height: 270px; }
  .section { padding: 76px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 4px; margin-bottom: 36px; }
  .feature-grid, .policy-grid, .catalog-grid, .directory-list { grid-template-columns: 1fr; }
  .feature { min-height: 210px; }
  .statement { padding-block: 82px; }
  .document-hero { padding-block: 72px 62px; }
  .document { padding: 62px 0 80px; }
  .support-lead { grid-template-columns: 1fr; gap: 22px; }
  .support-button { width: 100%; }
  .catalog { padding-top: 60px; }
  .catalog-card { min-height: 220px; padding: 26px 20px; grid-template-columns: auto 1fr; border-radius: 20px; border-width: 1px; box-shadow: 0 12px 34px rgba(35, 96, 128, .08); }
  .catalog-grid { gap: 14px; border: 0; }
  .catalog-card > b { display: none; }
  .catalog-note { padding: 34px 24px; border-radius: 22px; }
  .statement { margin-inline: 14px; padding: 58px 24px; border-radius: 24px; }
  .site-footer { grid-template-columns: 1fr; }
}

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

/* Icon alignment fix 20260810 */
.hero__mark img { height: auto; aspect-ratio: 1 / 1; object-fit: cover; transform: none; }