:root {
  --brand: #9c7159;
  --brand-dark: #654637;
  --brand-light: #d9c4b6;
  --gold: #c4a36a;
  --red: #a8002d;
  --ink: #29231f;
  --muted: #716a64;
  --cream: #f7f3ee;
  --paper: #fffdf9;
  --line: rgba(91, 64, 50, 0.14);
  --shadow: 0 24px 70px rgba(76, 50, 36, 0.12);
  --radius: 22px;
  --content: min(1180px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
.content-status { grid-column: 1 / -1; padding: 30px 0; text-align: center; color: var(--muted); }
.content-status:empty { display: none; }
.article-body, .rich-content { overflow-wrap: anywhere; }
.article-body img, .article-body video, .rich-content img, .rich-content video { max-width: 100%; height: auto; margin: 20px auto; }
.article-body table, .rich-content table { display: block; max-width: 100%; overflow-x: auto; }
.article-body pre, .rich-content pre { white-space: pre-wrap; }
html { scroll-behavior: smooth; }
#video { scroll-margin-top: 100px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; }
button { font: inherit; }
.container { width: var(--content); margin-inline: auto; }
.eyebrow { margin: 0 0 12px; color: var(--brand); font-size: 12px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; }
.eyebrow--light { color: #eadfd8; }
.section { padding: 112px 0; }
.section--cream { background: var(--cream); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 46px; }
.section-heading h2 { margin: 0; max-width: 690px; font-family: "Songti SC", STSong, serif; font-size: clamp(34px, 4vw, 58px); font-weight: 500; line-height: 1.2; letter-spacing: -.02em; }
.section-heading p { max-width: 430px; margin: 0; color: var(--muted); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border: 1px solid transparent; border-radius: 999px; transition: .25s ease; cursor: pointer; }
.button--primary { color: #fff; background: var(--brand); box-shadow: 0 12px 30px rgba(156, 113, 89, .22); }
.button--primary:hover { background: var(--brand-dark); transform: translateY(-2px); }
.button--ghost { border-color: var(--line); background: rgba(255,255,255,.55); }
.button--ghost:hover { border-color: var(--brand); color: var(--brand-dark); }
.text-link { display: inline-flex; gap: 8px; align-items: center; color: var(--brand-dark); font-weight: 700; }

.site-header { position: sticky; top: 0; z-index: 30; height: 82px; border-bottom: 1px solid transparent; background: rgba(255,253,249,.82); backdrop-filter: blur(14px); transition: .25s ease; }
.site-header.is-scrolled { height: 72px; border-color: var(--line); box-shadow: 0 10px 30px rgba(65,42,30,.06); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 192px; height: 54px; object-fit: contain; object-position: left center; }
.site-nav { display: flex; align-items: center; gap: 32px; }
.site-nav a { position: relative; padding: 10px 0; color: #4c4540; font-size: 15px; }
.site-nav a::after { content: ""; position: absolute; left: 50%; bottom: 4px; width: 0; height: 2px; background: var(--brand); transform: translateX(-50%); transition: .25s ease; }
.site-nav a:hover::after, .site-nav a[aria-current="page"]::after { width: 100%; }
.site-nav a[aria-current="page"] { color: var(--brand-dark); font-weight: 700; }
.header-contact { display: flex; align-items: center; gap: 12px; color: var(--brand-dark); font-size: 13px; }
.header-contact strong { display: block; font-size: 15px; }
.menu-button { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: #fff; }

.hero { position: relative; min-height: calc(100vh - 112px); overflow: hidden; background: #e8ded6; }
.hero-stage { position: relative; min-height: calc(100vh - 112px); }
.hero-slide { position: absolute; inset: 0; display: grid; align-items: center; opacity: 0; visibility: hidden; transition: opacity .7s ease, visibility .7s ease; }
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-slide__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,251,246,.98) 0%, rgba(255,251,246,.89) 38%, rgba(255,251,246,.16) 75%, rgba(72,45,31,.12) 100%); }
.hero-slide--graphic { background: radial-gradient(circle at 75% 30%, #d7c2b4 0, transparent 28%), linear-gradient(135deg, #fbf7f2, #dcc9bc); }
.hero-slide--graphic::before { content: ""; position: absolute; right: 12%; width: 34vw; aspect-ratio: 1; border: 1px solid rgba(156,113,89,.3); border-radius: 50%; box-shadow: inset 0 0 0 6vw rgba(255,255,255,.17), inset 0 0 0 12vw rgba(156,113,89,.06); }
.hero-slide--graphic-2 { background: linear-gradient(125deg, #fffdf9 0%, #f0e8e0 52%, #bea08d 100%); }
.hero-slide__content { position: relative; z-index: 2; width: var(--content); margin: auto; padding: 80px 0 110px; }
.hero-copy { max-width: 620px; }
.hero-copy h1 { margin: 0 0 24px; font-family: "Songti SC", STSong, serif; font-size: clamp(48px, 7.2vw, 92px); font-weight: 500; line-height: 1.05; letter-spacing: -.045em; }
.hero-copy h1 span { color: var(--brand); }
.hero-copy p { max-width: 560px; margin: 0 0 36px; color: #625a54; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-index { position: absolute; right: max(24px, calc((100vw - 1180px) / 2)); bottom: 42px; z-index: 3; display: flex; align-items: center; gap: 14px; }
.hero-arrow, .hero-dot { border: 0; cursor: pointer; }
.hero-arrow { width: 46px; height: 46px; border: 1px solid rgba(80,52,38,.18); border-radius: 50%; background: rgba(255,255,255,.76); color: var(--brand-dark); }
.hero-dots { display: flex; align-items: center; gap: 8px; }
.hero-dot { width: 24px; height: 3px; padding: 0; border-radius: 4px; background: rgba(79,55,43,.24); transition: .25s ease; }
.hero-dot.is-active { width: 52px; background: var(--brand); }
.hero-note { position: absolute; left: max(24px, calc((100vw - 1180px) / 2)); bottom: 42px; z-index: 3; color: #756a62; font-size: 12px; letter-spacing: .12em; }

.intro-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 72px; align-items: start; }
.intro-mark { position: sticky; top: 110px; padding: 34px; border-left: 1px solid var(--brand-light); }
.intro-mark strong { display: block; color: var(--brand); font-family: Georgia, serif; font-size: 68px; font-weight: 400; line-height: 1; }
.intro-mark span { color: var(--muted); font-size: 14px; letter-spacing: .12em; }
.intro-copy h2 { margin: 0 0 26px; font-family: "Songti SC", STSong, serif; font-size: clamp(34px, 4vw, 56px); font-weight: 500; line-height: 1.3; }
.intro-copy > p { margin: 0 0 34px; color: var(--muted); font-size: 17px; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.principle { padding: 26px 20px 0 0; }
.principle + .principle { padding-left: 20px; border-left: 1px solid var(--line); }
.principle b { display: block; margin-bottom: 7px; font-family: "Songti SC", serif; font-size: 20px; }
.principle span { color: var(--muted); font-size: 13px; }

.video-wrap { display: grid; grid-template-columns: 1.2fr .8fr; min-height: 600px; background: var(--brand-dark); border-radius: 32px; overflow: hidden; box-shadow: var(--shadow); }
.video-media { position: relative; min-height: 560px; background: #2f2520; overflow: hidden; }
.video-cover { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.video-dialog { width: min(960px, calc(100vw - 32px)); max-width: none; max-height: calc(100dvh - 32px); padding: 48px 16px 16px; border: 0; border-radius: 18px; background: #171310; color: #fff; overflow: auto; }
.video-dialog::backdrop { background: rgba(0, 0, 0, .75); }
.video-dialog video { width: 100%; height: min(70dvh, 640px); object-fit: contain; background: #000; }
.video-dialog__close { position: absolute; top: 4px; right: 8px; width: 40px; height: 40px; border: 0; color: #fff; background: transparent; font-size: 30px; cursor: pointer; }
.video-dialog__status { margin: 12px 0 0; font-size: 14px; }
html.video-dialog-open { overflow: hidden; }
.video-media::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, transparent 40%, rgba(22,14,10,.46)); }
.video-play { position: absolute; z-index: 2; left: 36px; bottom: 34px; display: inline-flex; align-items: center; gap: 12px; padding: 0; border: 0; color: #fff; background: none; cursor: pointer; }
.video-play i { display: grid; place-items: center; width: 62px; height: 62px; border-radius: 50%; color: var(--brand-dark); background: #fff; font-style: normal; box-shadow: 0 10px 35px rgba(0,0,0,.18); }
.video-play.is-playing i::before { content: "Ⅱ"; }
.video-play:not(.is-playing) i::before { content: "▶"; margin-left: 3px; }
.video-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(42px, 6vw, 78px); color: #fff; }
.video-copy h2 { margin: 0 0 20px; font-family: "Songti SC", STSong, serif; font-size: clamp(34px, 4vw, 54px); font-weight: 500; line-height: 1.2; }
.video-copy > p { margin: 0 0 34px; color: #daccc3; }
.process-list { display: grid; gap: 18px; padding: 0; margin: 0; list-style: none; }
.process-list li { display: grid; grid-template-columns: 36px 1fr; gap: 14px; align-items: start; }
.process-list em { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; color: #eadfd8; font-style: normal; font-size: 12px; }
.process-list strong { display: block; margin-bottom: 3px; }
.process-list span { color: #cbbab0; font-size: 13px; }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-card { min-height: 310px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); transition: .28s ease; }
.news-card:hover { transform: translateY(-6px); border-color: rgba(156,113,89,.4); box-shadow: var(--shadow); }
.news-card__link { display: flex; flex-direction: column; height: 100%; padding: 30px; }
.news-card__meta { display: flex; justify-content: space-between; gap: 12px; color: #8a7f77; font-size: 12px; }
.news-card__meta span { color: var(--brand); font-weight: 700; }
.news-card h3 { margin: 34px 0 14px; font-family: "Songti SC", STSong, serif; font-size: 25px; font-weight: 600; line-height: 1.45; }
.news-card p { margin: 0 0 26px; color: var(--muted); font-size: 14px; }
.news-card .text-link { margin-top: auto; font-size: 13px; }

.about-band { overflow: hidden; background: #dac7ba; }
.about-band__inner { display: grid; grid-template-columns: 1fr 1fr; min-height: 620px; }
.about-band__image { min-height: 520px; background: linear-gradient(145deg,#d8c4b6,#9c7159); }
.about-band__image img { width: 100%; height: 100%; object-fit: cover; }
.about-band__copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(50px, 8vw, 110px); background: #e9ddd4; }
.about-band__copy h2 { margin: 0 0 22px; font-family: "Songti SC", STSong, serif; font-size: clamp(38px, 5vw, 65px); font-weight: 500; line-height: 1.15; }
.about-band__copy p { margin: 0 0 32px; color: #665c55; }

.page-hero { position: relative; display: grid; align-items: end; min-height: 430px; padding: 80px 0 66px; overflow: hidden; background: linear-gradient(125deg, #efe6df, #d3bcad); }
.page-hero::before { content: ""; position: absolute; right: 8%; top: -30%; width: 480px; aspect-ratio: 1; border: 1px solid rgba(156,113,89,.26); border-radius: 50%; box-shadow: inset 0 0 0 86px rgba(255,255,255,.12), inset 0 0 0 170px rgba(156,113,89,.06); }
.page-hero__content { position: relative; z-index: 1; }
.page-hero h1 { margin: 0 0 16px; font-family: "Songti SC", STSong, serif; font-size: clamp(50px, 7vw, 82px); font-weight: 500; line-height: 1; }
.page-hero p { max-width: 600px; margin: 0; color: #665b54; }
.news-page-grid { grid-template-columns: repeat(2, 1fr); }

.certificate-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 42px 28px; }
.certificate-card { margin: 0; min-width: 0; }
.certificate-mount { display: flex; align-items: center; justify-content: center; height: 310px; padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, #f3ebe4, #e7d9cd); transition: box-shadow .25s ease; }
.certificate-card:hover .certificate-mount { box-shadow: 0 12px 32px rgba(76,50,36,.1); }
.certificate-mount > img { width: 100%; height: 100%; object-fit: contain; }
.certificate-card figcaption { display: flex; align-items: center; gap: 16px; padding: 20px 2px 0; }
.certificate-number { font-family: Georgia, serif; color: #bca28b; font-size: 15px; }
.certificate-card h3 { margin: 0; color: var(--ink); font-size: 18px; font-weight: 500; }

.article { max-width: 820px; margin: auto; padding: 90px 0 120px; }
.article-back { display: inline-flex; margin-bottom: 40px; color: var(--brand); font-weight: 700; }
.article-meta { display: flex; gap: 18px; color: var(--muted); font-size: 13px; }
.article-meta span { color: var(--brand); font-weight: 700; }
.article h1 { margin: 18px 0 28px; font-family: "Songti SC", STSong, serif; font-size: clamp(38px, 5.6vw, 66px); font-weight: 500; line-height: 1.2; }
.article-lead { padding: 28px 0 28px 28px; border-left: 2px solid var(--brand); color: #5e554f; font-size: 19px; }
.article-body { padding-top: 40px; }
.article-body section { margin-bottom: 38px; }
.article-body h2 { margin: 0 0 12px; font-family: "Songti SC", STSong, serif; font-size: 28px; font-weight: 600; }
.article-body p { margin: 0; color: var(--muted); font-size: 16px; }
.article-notice { margin-top: 46px; padding: 22px 24px; border-radius: 14px; color: #6e625b; background: var(--cream); font-size: 13px; }
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding-top: 36px; border-top: 1px solid var(--line); }
.article-nav a { padding: 20px; border: 1px solid var(--line); border-radius: 14px; }
.article-nav span { display: block; color: var(--muted); font-size: 12px; }
.article-nav strong { display: block; margin-top: 6px; font-size: 14px; line-height: 1.5; }

.story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.story-image { height: 560px; padding-bottom: 190px; border-radius: 260px 260px 30px 30px; overflow: hidden; background: #d4bfb2; }
.story-image img { width: 100%; height: 100%; object-fit: cover; }
.story-copy h2 { margin: 0 0 25px; font-family: "Songti SC", STSong, serif; font-size: clamp(38px, 5vw, 62px); font-weight: 500; line-height: 1.2; }
.story-copy p { color: var(--muted); }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value-card { min-height: 260px; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.value-card .number { color: var(--brand-light); font-family: Georgia, serif; font-size: 42px; }
.value-card h3 { margin: 44px 0 10px; font-family: "Songti SC", STSong, serif; font-size: 25px; }
.value-card p { margin: 0; color: var(--muted); font-size: 14px; }
.contact-card { display: grid; grid-template-columns: 1fr 1fr; border-radius: 28px; overflow: hidden; background: var(--brand-dark); color: #fff; }
.contact-card > div { padding: clamp(38px, 6vw, 72px); }
.contact-card h2 { margin: 0 0 18px; font-family: "Songti SC", STSong, serif; font-size: clamp(34px, 4vw, 52px); font-weight: 500; }
.contact-card p { color: #d4c4ba; }
.contact-list { display: grid; gap: 22px; background: rgba(255,255,255,.06); }
.contact-item span { display: block; color: #c7b5aa; font-size: 12px; letter-spacing: .1em; }
.contact-item strong { display: block; margin-top: 4px; font-size: 17px; }

.site-footer { color: #ddd2ca; background: #2c231f; }
.footer-main { display: grid; grid-template-columns: 1.25fr .75fr .8fr; gap: 60px; padding: 72px 0 52px; }
.footer-brand img { width: 210px; padding: 8px; border-radius: 8px; background: #fff; }
.footer-brand p { max-width: 390px; margin: 22px 0 0; color: #a99a90; font-size: 13px; }
.footer-col h3 { margin: 0 0 18px; color: #fff; font-size: 14px; }
.footer-col a, .footer-col p { display: block; margin: 8px 0; color: #a99a90; font-size: 13px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.09); color: #84766e; font-size: 11px; }
.footer-records { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-records a { white-space: nowrap; }
.footer-records a:hover, .footer-records a:focus-visible { text-decoration: underline; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .certificate-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  :root { --content: min(100% - 32px, 760px); }
  .header-contact { display: none; }
  .menu-button { display: block; }
  .site-nav { position: absolute; top: 100%; left: 16px; right: 16px; display: none; padding: 18px 24px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 8px 0; }
  .intro-grid, .video-wrap, .about-band__inner, .story-grid, .contact-card { grid-template-columns: 1fr; }
  .intro-mark { position: static; }
  .video-media { min-height: 450px; }
  .news-grid, .news-page-grid { grid-template-columns: repeat(2, 1fr); }
  .about-band__image { order: 2; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .certificate-grid { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 76px 0; }
  .brand img { width: 150px; }
  .site-header { height: 70px; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 18px; }
  .hero, .hero-stage { min-height: 690px; }
  .hero-slide__content { padding-top: 72px; }
  .hero-copy h1 { font-size: 48px; }
  .hero-copy p { font-size: 16px; }
  .hero-slide::after { background: linear-gradient(90deg, rgba(255,251,246,.97), rgba(255,251,246,.72)); }
  .hero-note { bottom: 98px; }
  .hero-index { right: 16px; bottom: 30px; }
  .principles { grid-template-columns: 1fr; }
  .principle, .principle + .principle { padding: 18px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .video-wrap { border-radius: 20px; }
  .video-media { min-height: 340px; }
  .video-copy { padding: 36px 26px 42px; }
  .news-grid, .news-page-grid, .values-grid, .article-nav { grid-template-columns: 1fr; }
  .news-card { min-height: 280px; }
  .about-band__inner { min-height: 0; }
  .about-band__copy { padding: 60px 24px; }
  .story-image { height: 420px; padding-bottom: 140px; }
  .page-hero { min-height: 360px; }
  .article { width: var(--content); padding-top: 65px; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { display: block; }
  .footer-records { margin-top: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}