:root {
  --ink: #152523;
  --muted: #60716d;
  --deep: #062b29;
  --deep-2: #0a3c35;
  --green: #2f6649;
  --leaf: #78955d;
  --gold: #d7a64c;
  --sand: #efd89d;
  --paper: #f7f6f0;
  --white: #fff;
  --line: rgba(15, 61, 51, .14);
  --shadow: 0 24px 70px rgba(8, 43, 39, .12);
  --radius: 22px;
  --wrap: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 94px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.wrap { width: min(var(--wrap), calc(100% - 48px)); margin-inline: auto; }
.skip-link {
  position: fixed;
  z-index: 100;
  left: 16px;
  top: -60px;
  padding: 10px 16px;
  color: #fff;
  background: var(--deep);
  border-radius: 0 0 8px 8px;
}
.skip-link:focus { top: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  color: var(--deep);
  background: rgba(250, 249, 244, .94);
  border-bottom: 1px solid rgba(15, 61, 51, .1);
  backdrop-filter: blur(16px);
}
.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand { display: inline-flex; align-items: center; gap: 13px; min-width: 240px; }
.brand-photo {
  position: relative;
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 50% 50% 48% 52%;
  background: url('/daguozhisha-hero.png') 83% 68% / 290% auto no-repeat;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.5), 0 7px 20px rgba(4, 44, 39, .16);
}
.brand-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(215,166,76,.65);
}
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong {
  font-family: "Songti SC", "STSong", serif;
  font-size: 25px;
  letter-spacing: .12em;
  font-weight: 800;
}
.brand-copy small { margin-top: 7px; color: #66756f; font-size: 10px; letter-spacing: .08em; }
.site-header nav { display: flex; align-items: center; gap: 26px; }
.site-header nav a { position: relative; font-size: 14px; font-weight: 600; }
.site-header nav a:not(.nav-entry)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 2px;
  background: var(--gold);
  transition: right .22s ease;
}
.site-header nav a:hover::after, .site-header nav a:focus-visible::after { right: 0; }
.nav-entry {
  padding: 11px 17px;
  color: #fff;
  background: var(--deep-2);
  border-radius: 999px;
}
.nav-toggle { display: none; }

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  color: #fff;
  background: var(--deep);
}
.hero-image, .hero-shade { position: absolute; inset: 0; }
.hero-image {
  background-image: url('/daguozhisha-hero.png');
  background-size: cover;
  background-position: 58% center;
  transform: scale(1.006);
}
.hero-shade {
  background:
    linear-gradient(90deg, rgba(3,35,33,.98) 0%, rgba(3,35,33,.88) 28%, rgba(3,35,33,.52) 52%, rgba(3,35,33,.1) 75%),
    linear-gradient(0deg, rgba(3,35,33,.66) 0%, transparent 38%);
}
.hero-content {
  position: relative;
  z-index: 2;
  min-height: 720px;
  padding-block: 96px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.eyebrow, .section-label, .card-index {
  margin: 0;
  color: #b88a35;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: 10px; color: #f2d38c; }
.eyebrow span { width: 28px; height: 1px; background: currentColor; }
.hero h1 {
  margin: 28px 0 24px;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-size: clamp(3.15rem, 5.7vw, 5.35rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: .02em;
  text-shadow: 0 3px 26px rgba(0,0,0,.18);
}
.hero h1 span { display: block; white-space: nowrap; }
.hero h1 span:last-child { color: #f0d292; }
.hero-lead {
  width: min(720px, 65%);
  margin: 0;
  color: rgba(255,255,255,.86);
  font-size: 17px;
  line-height: 1.9;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 35px; }
.button {
  min-height: 50px;
  padding: 12px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button--gold { color: #172a26; background: linear-gradient(135deg, #f1d590, #c9973d); }
.button--glass { color: #fff; border-color: rgba(255,255,255,.38); background: rgba(5,46,42,.24); backdrop-filter: blur(10px); }
.hero-proof {
  width: min(720px, 65%);
  margin-top: 68px;
  padding-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255,255,255,.22);
}
.hero-proof span { display: flex; align-items: center; gap: 12px; font-size: 13px; letter-spacing: .08em; }
.hero-proof b { color: #efce81; font: 600 11px/1 ui-monospace, monospace; }

.section { padding: 112px 0; }
.section-heading {
  margin-bottom: 52px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: end;
  gap: 80px;
}
.section-heading h2, .global h2, .leadership h2, .boundaries h2, .faq h2, .closing h2 {
  margin: 12px 0 0;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  color: var(--deep);
  font-size: clamp(2rem, 3.4vw, 3.15rem);
  font-weight: 700;
  line-height: 1.3;
}
.section-heading > p { margin: 0; color: var(--muted); font-size: 15px; }

.origin { background: #f7f6f0; }
.origin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.book-card, .platform-card {
  min-height: 540px;
  overflow: hidden;
  display: grid;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.book-card { grid-template-columns: 42% 58%; }
.book-card__visual {
  position: relative;
  padding: 46px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #ead49c 0%, #bb7b36 55%, #603521 100%);
}
.book-card__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.18) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: .4;
}
.book-card__cover-frame {
  position: relative;
  width: min(228px, 88%);
  aspect-ratio: 1276 / 1571;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #c49f42;
  border: 1px solid rgba(255,255,255,.38);
  border-radius: 4px;
  box-shadow: 0 22px 45px rgba(58,27,12,.32);
}
.book-card__cover-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.book-card__visual > span:last-child {
  position: absolute;
  top: 22px;
  left: 20px;
  padding: 5px 11px;
  color: #fff;
  background: rgba(51,28,17,.56);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: .12em;
}
.origin-card__copy { padding: 48px 42px; display: flex; flex-direction: column; align-items: flex-start; }
.origin-card__copy h3 {
  margin: 12px 0 18px;
  color: var(--deep);
  font-family: "Songti SC", "STSong", serif;
  font-size: 31px;
  line-height: 1.25;
}
.origin-card__copy > p:not(.card-index) { margin: 0; color: var(--muted); font-size: 15px; }
.text-link {
  margin-top: auto;
  padding-top: 24px;
  color: var(--deep-2);
  border-bottom: 1px solid rgba(10,60,53,.3);
  font-weight: 700;
  font-size: 14px;
}
.platform-card { grid-template-rows: 1fr 165px; }
.platform-card__scene {
  min-height: 165px;
  background-image: linear-gradient(90deg, rgba(5,47,43,.35), rgba(5,47,43,0)), url('/daguozhisha-hero.png');
  background-size: cover;
  background-position: 72% 65%;
}
.platform-points { width: 100%; margin: 26px 0 0; padding: 0; display: grid; gap: 11px; list-style: none; }
.platform-points li { padding-top: 10px; display: flex; gap: 14px; border-top: 1px solid var(--line); color: #52635e; font-size: 13px; }
.platform-points li span { flex: 0 0 auto; color: #a17830; font-weight: 800; }
.continuity-line {
  margin-top: 42px;
  padding: 24px 32px;
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
  gap: 18px;
  color: var(--deep-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
}
.continuity-line i { height: 1px; background: linear-gradient(90deg, var(--gold), rgba(215,166,76,.15)); }

.global {
  color: #fff;
  background:
    linear-gradient(115deg, rgba(4,39,37,.98), rgba(8,59,52,.91)),
    url('/daguozhisha-hero.png') center / cover fixed;
}
.global-layout { display: grid; grid-template-columns: .86fr 1.14fr; gap: 100px; align-items: start; }
.section-label--light { color: #e8c77a; }
.global h2 { color: #fff; }
.global-intro > p:last-child { margin: 28px 0 0; color: rgba(255,255,255,.72); }
.global-steps { margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; list-style: none; border-top: 1px solid rgba(255,255,255,.18); border-left: 1px solid rgba(255,255,255,.18); }
.global-steps li { min-height: 220px; padding: 30px; display: flex; gap: 20px; border-right: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.global-steps b { color: #e8c77a; font: 600 12px/1 ui-monospace, monospace; }
.global-steps h3 { margin: -5px 0 10px; font-size: 21px; }
.global-steps p { margin: 0; color: rgba(255,255,255,.66); font-size: 13px; }

.capabilities { background: #ebece5; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(8,47,43,.16); border: 1px solid rgba(8,47,43,.16); }
.capability-grid article { min-height: 290px; padding: 35px 28px; background: #f8f8f3; }
.capability-grid article:hover { background: #fff; }
.capability-grid span { color: #a77c2d; font: 700 12px/1 ui-monospace, monospace; }
.capability-grid h3 { margin: 68px 0 14px; color: var(--deep); font-size: 20px; }
.capability-grid p { margin: 0; color: var(--muted); font-size: 13px; }
.scope-band { margin-top: 28px; padding: 24px 28px; display: flex; justify-content: space-between; align-items: center; gap: 20px; color: #fff; background: var(--deep); }
.scope-band div { display: grid; gap: 5px; }
.scope-band span { color: #e9ca84; font-size: 11px; letter-spacing: .14em; }
.scope-band strong { font-size: 13px; font-weight: 500; }
.scope-band a { flex: 0 0 auto; color: #f2d28c; font-size: 13px; font-weight: 700; }

.leadership { background: #fff; }
.leadership-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.leadership-intro { max-width: 600px; margin: 26px 0 36px; color: var(--muted); }
.organization-list { margin: 0; border-top: 1px solid var(--line); }
.organization-list div { padding: 14px 0; display: grid; grid-template-columns: 105px 1fr; border-bottom: 1px solid var(--line); }
.organization-list dt { color: #9b752e; font-size: 12px; font-weight: 700; }
.organization-list dd { margin: 0; color: var(--deep); font-size: 15px; font-weight: 700; }
.leadership-card {
  position: relative;
  overflow: hidden;
  padding: 46px;
  color: #fff;
  background: linear-gradient(145deg, var(--deep) 0%, #0c4c3d 100%);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.leadership-card::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -110px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(235,202,132,.3);
  border-radius: 50%;
  box-shadow: 0 0 0 38px rgba(235,202,132,.04), 0 0 0 76px rgba(235,202,132,.025);
}
.leadership-card > p { position: relative; z-index: 1; margin: 0 0 28px; color: #e9ca84; font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.leader-row { position: relative; z-index: 1; padding: 18px 0; display: grid; grid-template-columns: 90px 1fr; align-items: center; border-top: 1px solid rgba(255,255,255,.15); }
.leader-row span { color: rgba(255,255,255,.58); font-size: 12px; }
.leader-row strong { font-family: "Songti SC", "STSong", serif; font-size: 22px; letter-spacing: .08em; }
.leadership-card blockquote { position: relative; z-index: 1; margin: 26px 0 0; padding: 18px 20px; color: rgba(255,255,255,.8); background: rgba(255,255,255,.07); border-left: 2px solid #dfb95e; font-size: 13px; }

.boundaries { color: #fff; background: #13201f; }
.boundaries-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.boundaries h2 { color: #fff; }
.boundaries ul { margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; list-style: none; }
.boundaries li { min-height: 98px; padding: 22px 22px 22px 42px; position: relative; display: flex; align-items: center; border: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.76); font-size: 13px; }
.boundaries li::before { content: ""; position: absolute; left: 20px; width: 6px; height: 6px; border: 1px solid #d9ae53; transform: rotate(45deg); }

.faq { background: #f7f6f0; }
.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; align-items: start; }
.faq-layout > div:first-child > p:last-child { color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 25px 42px 25px 0; position: relative; cursor: pointer; color: var(--deep); font-size: 16px; font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 8px; top: 21px; color: #b38631; font-size: 22px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: -8px 0 25px; padding-right: 52px; color: var(--muted); font-size: 14px; }

.closing { padding: 68px 0; color: #fff; background: linear-gradient(100deg, rgba(5,43,40,.98), rgba(5,43,40,.77)), url('/daguozhisha-hero.png') center 55% / cover; }
.closing-inner { display: flex; justify-content: space-between; align-items: center; gap: 48px; }
.closing p { margin: 0; color: #e4c373; font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.closing h2 { margin-top: 7px; color: #fff; font-size: clamp(1.65rem, 3vw, 2.6rem); }

.site-footer { padding: 58px 0 26px; color: rgba(255,255,255,.62); background: #061f1e; }
.footer-main { padding-bottom: 38px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand { display: grid; align-content: start; gap: 6px; }
.footer-brand strong { color: #fff; font-family: "Songti SC", "STSong", serif; font-size: 27px; letter-spacing: .14em; }
.footer-brand span { font-size: 10px; letter-spacing: .08em; }
.footer-orgs { display: grid; gap: 7px; font-size: 12px; }
.footer-legal { padding-top: 24px; display: flex; justify-content: space-between; gap: 30px; font-size: 11px; }
.footer-legal > div { display: grid; gap: 5px; }
.footer-legal a { color: rgba(255,255,255,.78); }
.footer-legal small { color: rgba(255,255,255,.48); font-size: 10px; }

:focus-visible { outline: 2px solid #e0b555; outline-offset: 4px; }

@media (max-width: 1040px) {
  .site-header nav { gap: 16px; }
  .site-header nav a { font-size: 12px; }
  .brand-copy small { display: none; }
  .hero-lead, .hero-proof { width: min(760px, 82%); }
  .origin-grid { grid-template-columns: 1fr; }
  .book-card, .platform-card { min-height: auto; }
  .global-layout, .leadership-layout { gap: 54px; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-grid article { min-height: 240px; }
}

@media (max-width: 780px) {
  html { scroll-padding-top: 78px; }
  .wrap { width: min(100% - 32px, var(--wrap)); }
  .header-inner { min-height: 72px; }
  .brand-photo { width: 46px; height: 46px; }
  .brand-copy strong { font-size: 21px; }
  .nav-toggle {
    display: block;
    padding: 8px 12px;
    color: var(--deep);
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 5px;
    font-size: 12px;
  }
  .site-header nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    padding: 14px 16px 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(250,249,244,.98);
    border-top: 1px solid var(--line);
    box-shadow: 0 20px 35px rgba(5,43,40,.12);
  }
  .site-header nav.is-open { display: flex; }
  .site-header nav a { padding: 11px 8px; font-size: 14px; }
  .nav-entry { margin-top: 5px; text-align: center; }
  .hero, .hero-content { min-height: 670px; }
  .hero-image { background-position: 67% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(3,35,33,.97), rgba(3,35,33,.72) 72%, rgba(3,35,33,.38)), linear-gradient(0deg, rgba(3,35,33,.7), transparent 55%); }
  .hero-content { padding-block: 78px 32px; justify-content: flex-end; }
  .hero h1 { margin-top: 20px; font-size: clamp(1.9rem, 9vw, 3.3rem); line-height: 1.2; }
  .hero-lead, .hero-proof { width: 100%; }
  .hero-lead { font-size: 14px; line-height: 1.75; }
  .hero-proof { margin-top: 38px; }
  .hero-proof span { gap: 6px; font-size: 11px; letter-spacing: 0; }
  .section { padding: 76px 0; }
  .section-heading, .global-layout, .leadership-layout, .boundaries-grid, .faq-layout, .footer-main { grid-template-columns: 1fr; gap: 30px; }
  .section-heading { margin-bottom: 36px; }
  .book-card { grid-template-columns: 39% 61%; }
  .origin-card__copy { padding: 34px 28px; }
  .book-card__visual { padding: 32px 18px; }
  .platform-card { grid-template-rows: 1fr 145px; }
  .continuity-line { padding: 20px; grid-template-columns: repeat(5, 1fr); gap: 6px; text-align: center; }
  .continuity-line i { display: none; }
  .continuity-line span { font-size: 10px; }
  .global { background-attachment: scroll; }
  .global-steps li { min-height: 185px; padding: 24px 20px; }
  .scope-band, .closing-inner { align-items: flex-start; flex-direction: column; }
  .leadership-card { padding: 34px 28px; }
  .footer-legal { flex-direction: column; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: clamp(1.72rem, 8.5vw, 2.4rem); letter-spacing: -.01em; }
  .hero-actions, .hero-actions .button { width: 100%; }
  .hero-proof { grid-template-columns: 1fr; gap: 9px; }
  .hero-proof span { justify-content: flex-start; }
  .section-heading h2, .global h2, .leadership h2, .boundaries h2, .faq h2 { font-size: 1.9rem; }
  .book-card { grid-template-columns: 1fr; }
  .book-card__visual { min-height: 330px; }
  .book-card__cover-frame { width: 200px; }
  .origin-card__copy h3 { font-size: 26px; }
  .global-steps, .capability-grid, .boundaries ul { grid-template-columns: 1fr; }
  .global-steps li { min-height: auto; }
  .capability-grid article { min-height: 210px; }
  .capability-grid h3 { margin-top: 48px; }
  .scope-band strong { line-height: 1.8; }
  .organization-list div { grid-template-columns: 90px 1fr; }
  .leader-row { grid-template-columns: 72px 1fr; }
}

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