:root {
  --ink: #102a26;
  --ink-2: #173b35;
  --ink-3: #0a211e;
  --paper: #f3efe5;
  --paper-2: #fbf9f4;
  --white: #fffefa;
  --jade: #1d7565;
  --jade-2: #58b79b;
  --mint: #b9dfce;
  --copper: #b78b50;
  --copper-2: #dfc08b;
  --line: rgba(16, 42, 38, .14);
  --line-dark: rgba(255, 255, 255, .14);
  --muted: #64756f;
  --shadow: 0 24px 70px rgba(17, 45, 39, .11);
  --radius-lg: 28px;
  --radius: 18px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { display: block; max-width: 100%; }
::selection { background: rgba(29, 117, 101, .22); }

.container { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.page-progress { position: fixed; inset: 0 auto auto 0; height: 3px; width: 0; z-index: 100; background: linear-gradient(90deg, var(--jade), var(--copper-2)); box-shadow: 0 0 12px rgba(183,139,80,.5); }
.site-header {
  position: sticky; top: 0; z-index: 60; height: 78px;
  background: rgba(246, 243, 235, .9); backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(16,42,38,.1); transition: .25s ease;
}
.site-header.scrolled { height: 68px; box-shadow: 0 10px 35px rgba(20,50,43,.08); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand-logo {
  width: 156px; height: 54px; overflow: hidden; border-radius: 9px;
  background: #fff; display: flex; align-items: center; justify-content: center;
}
.brand-logo img { width: 100%; height: 100%; object-fit: contain; object-position: center; mix-blend-mode: multiply; }
.brand-copy { border-left: 1px solid var(--line); padding-left: 12px; display: flex; flex-direction: column; line-height: 1.2; }
.brand-copy b { font-size: 15px; letter-spacing: .05em; }
.brand-copy small { font-size: 10px; color: var(--muted); margin-top: 4px; letter-spacing: .08em; }
.desktop-nav { display: flex; justify-content: center; gap: 26px; flex: 1; }
.desktop-nav a { position: relative; color: #42564f; font-size: 13px; padding: 6px 0; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: var(--jade); transition: right .2s ease; }
.desktop-nav a:hover::after, .desktop-nav a.active::after { right: 0; }
.desktop-nav a.active { color: var(--ink); font-weight: 650; }
.header-actions { display: flex; align-items: center; gap: 18px; }
.text-link { font-size: 12.5px; color: var(--jade); white-space: nowrap; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 44px; padding: 10px 20px; border: 1px solid transparent; border-radius: 12px;
  font-size: 13.5px; font-weight: 600; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--ink); color: #fff; box-shadow: 0 10px 28px rgba(16,42,38,.15); }
.button-dark:hover { background: var(--ink-2); box-shadow: 0 14px 35px rgba(16,42,38,.24); }
.button-light { background: var(--paper-2); color: var(--ink); }
.button-light:hover { box-shadow: 0 14px 35px rgba(0,0,0,.25); }
.button-ghost-light { color: #fff; border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.04); }
.button-outline-light { color: #fff; border-color: rgba(255,255,255,.2); background: transparent; }
.button.full { width: 100%; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: transparent; cursor: pointer; padding: 11px; }
.menu-toggle span { display: block; height: 1px; background: var(--ink); margin: 5px 0; }
.mobile-menu { display: none; }

.hero {
  position: relative; overflow: hidden; color: #f9f6ee;
  background:
    radial-gradient(860px 570px at 86% 6%, rgba(54,132,112,.16), transparent 65%),
    radial-gradient(720px 560px at 4% 96%, rgba(183,139,80,.13), transparent 66%),
    linear-gradient(135deg,#f9f6ee 0%,#edf3ed 62%,#e9dfcf 100%);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.hero-grid { position: absolute; inset: 0; opacity: .34; background-image: linear-gradient(rgba(16,42,38,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(16,42,38,.08) 1px,transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom,#000,transparent 88%); }
.hero-layout { position: relative; min-height: 660px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 68px; padding: 92px 0 74px; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: #927043; letter-spacing: .12em; font-size: 11px; text-transform: uppercase; margin-bottom: 24px; }
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--copper); box-shadow: 0 0 0 6px rgba(183,139,80,.1); }
.hero h1 { margin: 0; font-size: clamp(38px, 4.6vw, 62px); line-height: 1.16; letter-spacing: -.04em; font-weight: 680; }
.hero h1 em { font-style: normal; color: #a5783f; }
.hero-lead { max-width: 620px; margin: 28px 0 34px; color: #566963; font-size: 16px; line-height: 1.9; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.method-note { display: flex; gap: 10px; align-items: flex-start; max-width: 620px; margin-top: 26px; color: #74817c; font-size: 11.5px; line-height: 1.7; }
.method-note span { flex: none; color: #8f6736; border: 1px solid rgba(183,139,80,.3); border-radius: 999px; padding: 2px 8px; background: rgba(255,255,255,.45); }
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.visibility-card { width: min(490px,100%); border: 1px solid rgba(255,255,255,.14); border-radius: 26px; background: linear-gradient(155deg,#183d36,#234e45); color:#fff; box-shadow: 0 28px 80px rgba(17,45,39,.2); backdrop-filter: blur(12px); padding: 20px; }
.visibility-head { display: flex; justify-content: space-between; padding-right: 68px; font-size: 9.5px; letter-spacing: .14em; color: rgba(255,255,255,.48); }
.live-dot { color: var(--jade-2); }
.live-dot::before { content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--jade-2); margin-right: 6px; box-shadow: 0 0 10px var(--jade-2); }
.radar { position: relative; width: 330px; height: 330px; margin: 18px auto; border-radius: 50%; background: radial-gradient(circle,rgba(88,183,155,.08),transparent 68%); }
.radar-ring { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); border: 1px solid rgba(185,223,206,.16); border-radius: 50%; }
.r1 { width: 100%; height: 100%; }.r2 { width: 72%; height: 72%; }.r3 { width: 44%; height: 44%; }
.radar-axis { position: absolute; left: 50%; top: 50%; width: 100%; height: 1px; background: rgba(185,223,206,.1); transform-origin: center; }
.a1 { transform: translate(-50%,-50%) rotate(30deg); }.a2 { transform: translate(-50%,-50%) rotate(120deg); }
.radar-core { position: absolute; left: 50%; top: 50%; width: 100px; height: 100px; transform: translate(-50%,-50%); border-radius: 50%; display: grid; place-items: center; text-align: center; font-size: 17px; font-weight: 700; background: rgba(243,239,229,.95); color: var(--ink); box-shadow: 0 0 0 10px rgba(243,239,229,.05), 0 12px 40px rgba(0,0,0,.35); }
.radar-core small { display: block; font-size: 9px; letter-spacing: .2em; color: var(--jade); }
.radar-node { position: absolute; padding: 6px 10px; border-radius: 999px; background: rgba(16,42,38,.78); border: 1px solid rgba(185,223,206,.22); font-size: 10px; color: rgba(255,255,255,.75); }
.n1 { left: 8%; top: 25%; }.n2 { right: 3%; top: 28%; }.n3 { left: 0; bottom: 28%; }
.n4 { right: 5%; bottom: 24%; }.n5 { left: 34%; top: -2%; }.n6 { left: 39%; bottom: 0; }
.visibility-score { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid rgba(255,255,255,.1); padding-top: 14px; }
.visibility-score div { text-align: center; border-right: 1px solid rgba(255,255,255,.08); }
.visibility-score div:last-child { border: 0; }
.visibility-score small { display: block; font-size: 9px; color: rgba(255,255,255,.42); }
.visibility-score strong { font-size: 23px; letter-spacing: -.03em; }
.brand-seal { position: absolute; top: 16px; right: 16px; z-index: 2; width: 58px; height: 58px; padding: 3px; border-radius: 17px; background: var(--paper); box-shadow: 0 12px 30px rgba(0,0,0,.24); transform: rotate(2deg); }
.brand-seal img { width: 100%; height: 100%; object-fit: cover; border-radius: 14px; }
.hero-metrics { position: relative; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); padding: 24px 0 30px; }
.hero-metrics div { padding-left: 22px; border-left: 1px solid var(--line); }
.hero-metrics div:first-child { border-left: 0; padding-left: 0; }
.hero-metrics strong { display: block; font-size: 30px; line-height: 1; color: var(--copper); font-weight: 620; }
.hero-metrics span { font-size: 11px; color: var(--muted); }
.hero .button-light { background: var(--ink); color: #fff; }
.hero .button-ghost-light { color: var(--ink); border-color: rgba(16,42,38,.2); background: rgba(255,255,255,.62); }

.section { padding: 104px 0; }
.section-light { background: var(--paper-2); }
.section-paper { background: var(--paper); }
.section-dark { background: linear-gradient(135deg,#e9f0ea,#f5eee2); color: var(--ink); }
.section-ink { background: linear-gradient(135deg,#e8eef0,#f5f2ec); color: var(--ink); }
.section-aigeo { background: linear-gradient(180deg, #f8f5ed 0%, #eee8dc 100%); }
.section-head { margin-bottom: 46px; }
.section-head h2 { margin: 10px 0 15px; font-size: clamp(30px,4vw,48px); line-height: 1.2; letter-spacing: -.035em; font-weight: 650; }
.section-head p { max-width: 640px; color: var(--muted); margin: 0; }
.section-head.centered { text-align: center; max-width: 760px; margin-inline: auto; }
.section-head.centered p { margin-inline: auto; }
.split-head { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: end; }
.section-no { display: inline-block; color: var(--jade); font-size: 10px; font-weight: 700; letter-spacing: .18em; }
.section-no.light { color: var(--copper-2); }
.section-dark .section-head p, .section-ink .section-head p { color: var(--muted); }
.section-dark .section-no, .section-ink .section-no { color: var(--copper); }

.aigeo-framework { display: grid; grid-template-columns: .34fr .66fr; gap: 18px; align-items: stretch; }
.aigeo-tabs { display: grid; gap: 8px; }
.aigeo-tabs button {
  display: grid; grid-template-columns: 36px 1fr; grid-template-rows: auto auto;
  gap: 1px 10px; align-items: center; width: 100%; padding: 15px 16px;
  border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.54);
  color: var(--ink); text-align: left; cursor: pointer; transition: .2s ease;
}
.aigeo-tabs button:hover { background: #fff; transform: translateX(3px); }
.aigeo-tabs button.active { color: #fff; background: var(--ink); border-color: var(--ink); box-shadow: 0 14px 35px rgba(16,42,38,.14); }
.aigeo-tabs span { grid-row: 1 / 3; color: var(--copper); font-size: 10px; letter-spacing: .1em; }
.aigeo-tabs button.active span { color: var(--copper-2); }
.aigeo-tabs b { font-size: 14px; }
.aigeo-tabs small { color: var(--muted); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.aigeo-tabs button.active small { color: rgba(255,255,255,.42); }
.aigeo-panel {
  min-height: 318px; padding: 38px 42px; border: 1px solid var(--line);
  border-radius: var(--radius-lg); background: rgba(255,255,255,.78); box-shadow: var(--shadow);
}
.aigeo-panel > span { color: var(--copper); font-size: 9.5px; letter-spacing: .16em; }
.aigeo-panel h3 { margin: 18px 0 13px; font-size: clamp(24px,3vw,35px); line-height: 1.35; letter-spacing: -.02em; }
.aigeo-panel p { max-width: 690px; margin: 0; color: var(--muted); font-size: 13px; }
.aigeo-panel ul { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; list-style: none; padding: 0; margin: 26px 0; }
.aigeo-panel li { position: relative; min-height: 72px; padding: 13px 13px 13px 28px; border-radius: 10px; background: rgba(16,42,38,.045); color: #42564f; font-size: 11.5px; }
.aigeo-panel li::before { content: "·"; position: absolute; left: 12px; top: 8px; color: var(--jade); font-size: 22px; }
.aigeo-proof { display: flex; align-items: center; gap: 13px; padding-top: 17px; border-top: 1px solid var(--line); }
.aigeo-proof span { flex: none; padding: 3px 8px; border-radius: 999px; color: var(--jade); background: rgba(29,117,101,.08); font-size: 9px; }
.aigeo-proof b { font-size: 11.5px; font-weight: 600; }
.aigeo-outcomes { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; margin-top: 17px; }
.aigeo-outcomes > div { min-height: 122px; padding: 18px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.5); }
.aigeo-outcomes span { color: var(--copper); font-size: 9px; }
.aigeo-outcomes b { display: block; margin: 16px 0 7px; font-size: 13px; }
.aigeo-outcomes small { color: var(--muted); font-size: 10px; line-height: 1.65; }

.principle-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.principle-card { position: relative; min-height: 330px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.55); transition: .22s ease; }
.principle-card:hover { transform: translateY(-6px); background: #fff; box-shadow: var(--shadow); }
.card-index { color: #9aa6a1; font-size: 10px; letter-spacing: .12em; }
.line-icon { width: 48px; height: 48px; display: grid; place-items: center; margin: 30px 0 36px; border: 1px solid rgba(29,117,101,.26); border-radius: 50%; color: var(--jade); font-size: 24px; }
.principle-card h3 { margin: 0 0 12px; font-size: 20px; }
.principle-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.card-foot { position: absolute; left: 26px; right: 26px; bottom: 24px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--jade); font-size: 11px; }
.quote-panel { position: relative; margin-top: 48px; padding: 38px 45px 34px 92px; border-radius: var(--radius); background: var(--ink); color: #fff; overflow: hidden; }
.quote-panel::after { content: ""; position: absolute; right: -90px; top: -100px; width: 260px; height: 260px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; box-shadow: 0 0 0 38px rgba(255,255,255,.025); }
.quote-mark { position: absolute; left: 34px; top: 18px; font-family: Georgia,serif; color: var(--copper-2); font-size: 72px; opacity: .6; }
.quote-panel p { position: relative; z-index: 1; max-width: 850px; margin: 0 0 12px; font-size: 18px; line-height: 1.8; }
.quote-panel span { color: rgba(255,255,255,.44); font-size: 11px; }

.weight-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: center; }
.weight-copy h2 { margin: 10px 0 18px; font-size: clamp(30px,4vw,48px); line-height: 1.2; }
.weight-copy > p { max-width: 570px; color: var(--muted); }
.weight-list { margin-top: 32px; display: grid; gap: 13px; }
.weight-list > div { display: flex; align-items: center; gap: 18px; }
.weight-list span { flex: 1; display: flex; align-items: center; gap: 12px; font-size: 12px; color: #465a54; }
.weight-list i { display: block; width: var(--w); max-width: 330px; height: 5px; border-radius: 99px; background: linear-gradient(90deg,var(--jade-2),var(--copper-2)); }
.weight-list b { width: 42px; text-align: right; color: #966d39; }
.weight-visual { display: flex; flex-direction: column; align-items: center; gap: 32px; }
.donut { width: 290px; height: 290px; border-radius: 50%; padding: 40px; background: conic-gradient(var(--jade) 0 35%,#3b9a83 35% 55%,var(--copper) 55% 63%,var(--copper-2) 63% 78%,#5d726b 78% 89%,#d9d0c0 89% 96%,#eff0e9 96% 99%,#fff 99% 100%); box-shadow: 0 24px 80px rgba(16,42,38,.16); }
.donut > div { width: 100%; height: 100%; border-radius: 50%; background: var(--ink); display: grid; place-items: center; align-content: center; text-align: center; }
.donut strong { font-size: 42px; letter-spacing: -.04em; }
.donut span { font-size: 10px; color: rgba(255,255,255,.42); letter-spacing: .12em; }
.weight-legend { width: 100%; display: grid; gap: 10px; }
.weight-legend > div { display: grid; grid-template-columns: 10px 1fr; column-gap: 12px; align-items: center; padding: 10px 14px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.48); }
.weight-legend small { grid-column: 2; color: var(--muted); font-size: 10px; }
.dot { width: 7px; height: 7px; border-radius: 50%; }.d1{background:var(--jade-2)}.d2{background:var(--copper-2)}.d3{background:#c7d4cf}

.phase-stack { display: grid; gap: 10px; }
.phase { border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.58); overflow: hidden; transition: border-color .2s ease, box-shadow .2s ease; }
.phase.open { border-color: rgba(29,117,101,.3); box-shadow: 0 15px 45px rgba(16,42,38,.08); }
.phase-head { width: 100%; min-height: 82px; display: grid; grid-template-columns: 58px 1fr 130px 30px; gap: 18px; align-items: center; border: 0; padding: 18px 24px; background: transparent; color: var(--ink); text-align: left; cursor: pointer; }
.phase-no { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; border: 1px solid rgba(29,117,101,.26); color: var(--jade); font-size: 11px; font-weight: 700; letter-spacing: .06em; }
.phase-head small { display: block; color: var(--muted); font-size: 10px; letter-spacing: .12em; margin-bottom: 2px; }
.phase-head b { display: block; font-size: 17px; font-weight: 650; }
.phase-weight { justify-self: end; color: var(--copper); font-size: 12px; }
.phase-toggle { font-size: 22px; color: var(--jade); text-align: right; }
.phase-body { border-top: 1px solid var(--line); padding: 32px 34px 34px 100px; }
.phase-main h3 { margin: 0 0 10px; font-size: 21px; }
.phase-main p { max-width: 800px; margin: 0; color: var(--muted); }
.phase-info { display: grid; grid-template-columns: 1.25fr .75fr; gap: 28px; margin-top: 28px; padding-top: 24px; border-top: 1px dashed var(--line); }
.phase-info small { color: var(--jade); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.phase-info p { margin: 5px 0 0; color: #4f625b; font-size: 12.5px; }

.deliverable-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 15px; }
.deliverable { padding: 28px; border-radius: var(--radius); background: var(--paper); border: 1px solid var(--line); }
.deliverable > span { color: var(--copper); font-size: 9.5px; letter-spacing: .16em; }
.deliverable h3 { margin: 18px 0 20px; font-size: 21px; }
.deliverable ul { list-style: none; padding: 0; margin: 0; }
.deliverable li { position: relative; padding: 9px 0 9px 18px; border-top: 1px solid rgba(16,42,38,.08); color: var(--muted); font-size: 12.5px; }
.deliverable li::before { content: "·"; position: absolute; left: 1px; color: var(--jade); font-size: 20px; line-height: 1; }

.kpi-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.kpi { min-height: 155px; padding: 23px; background: rgba(255,255,255,.58); }
.kpi > span { color: var(--copper); font-size: 9px; letter-spacing: .12em; }
.kpi b { display: block; margin: 18px 0 8px; font-size: 16px; }
.kpi small { color: var(--muted); font-size: 11.5px; line-height: 1.65; }

.checklist-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 60px; align-items: start; }
.checklist-copy { position: sticky; top: 100px; }
.checklist-copy h2 { margin: 10px 0 18px; font-size: clamp(30px,4vw,48px); line-height: 1.2; }
.checklist-copy > p { color: var(--muted); }
.check-score { margin-top: 36px; display: flex; align-items: center; gap: 24px; }
.score-ring { --score:0; width: 150px; height: 150px; flex: none; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--jade) calc(var(--score) * 1%), rgba(16,42,38,.1) 0); position: relative; }
.score-ring::after { content: ""; position: absolute; inset: 10px; border-radius: 50%; background: var(--paper-2); }
.score-ring > span { position: relative; z-index: 1; text-align: center; }
.score-ring b { display: block; font-size: 36px; }.score-ring small { color: var(--muted); }
.check-score strong { font-size: 18px; }.check-score p { color: var(--muted); font-size: 12.5px; margin: 4px 0 0; }
.checklist-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper-2); overflow: hidden; }
.checklist-card label { display: flex; gap: 14px; align-items: flex-start; padding: 15px 18px; border-bottom: 1px solid rgba(16,42,38,.08); cursor: pointer; transition: background .15s ease; }
.checklist-card label:last-child { border: 0; }.checklist-card label:hover{background:#fff}
.checklist-card input { appearance: none; width: 19px; height: 19px; flex: none; margin-top: 3px; border: 1px solid rgba(16,42,38,.26); border-radius: 5px; background: #fff; transition: .15s; }
.checklist-card input:checked { background: var(--jade); border-color: var(--jade); box-shadow: inset 0 0 0 3px #fff; }
.checklist-card b { display: block; font-size: 13px; }.checklist-card small { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; }

.risk-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; }
.risk { min-height: 90px; display: flex; gap: 14px; align-items: center; padding: 17px; border-radius: var(--radius-sm); background: rgba(255,255,255,.65); border: 1px solid var(--line); }
.risk b { color: var(--copper); font-size: 11px; }.risk span{font-size:12.5px;color:#43564f}
.risk:last-child { grid-column: span 1; }

.glossary-faq { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.glossary h2,.faq h2 { margin: 10px 0 24px; font-size: 35px; }
.glossary dl { margin: 0; }.glossary dl > div { padding: 16px 0; border-top: 1px solid var(--line); }
.glossary dt { font-weight: 650; font-size: 13px; }.glossary dd { margin: 5px 0 0; color: var(--muted); font-size: 12.5px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; padding: 17px 30px 17px 0; position: relative; cursor: pointer; font-size: 14px; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 2px; top: 14px; color: var(--jade); font-size: 20px; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: -3px 0 18px; color: var(--muted); font-size: 12.5px; }

.section-evidence { background: #e9e3d7; }
.evidence-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.evidence-grid a { padding: 22px; border-radius: var(--radius-sm); background: rgba(255,255,255,.55); border: 1px solid rgba(16,42,38,.1); transition: .18s; }
.evidence-grid a:hover { background: #fff; transform: translateY(-3px); }
.evidence-grid span { color: var(--copper); font-size: 9px; }.evidence-grid b { display: block; margin: 16px 0 5px; font-size: 14px; }.evidence-grid small { color: var(--muted); font-size: 11px; }
.evidence-note { text-align: center; max-width: 760px; margin: 30px auto 0; color: #6d7873; font-size: 11px; }

.section-cta { background: linear-gradient(135deg,#eee7db,#e8f0ea); color: var(--ink); }
.section-cta .section-no, .section-assistant .section-no { color: var(--copper); }
.section-cta .button-light { background: var(--ink); color: #fff; }
.cta-layout { display: grid; grid-template-columns: 1fr .72fr; gap: 80px; align-items: center; }
.cta-layout h2 { margin: 10px 0 20px; font-size: clamp(34px,4.6vw,55px); line-height: 1.18; }
.cta-layout > div > p { max-width: 620px; color: var(--muted); }
.cta-card { padding: 25px; border-radius: 22px; background: rgba(255,255,255,.76); border: 1px solid var(--line); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.cta-card-top { display: flex; gap: 15px; align-items: center; margin-bottom: 22px; }
.cta-card-top img { width: 92px; height: 110px; object-fit: cover; border-radius: 12px; background: #fff; }
.cta-card-top small { display: block; color: var(--muted); font-size: 10px; }.cta-card-top b{display:block;font-size:14px;margin-top:3px}
.cta-card .button { margin-top: 9px; }
.cta-card > p { color: var(--muted); font-size: 10.5px; margin: 17px 0 0; }

.site-footer { background: #071815; color: rgba(255,255,255,.6); padding: 48px 0 24px; }
.footer-main { display: grid; grid-template-columns: 1.1fr 1fr .8fr; gap: 50px; align-items: start; }
.footer-brand img { width: 190px; height: 82px; object-fit: cover; object-position:center 43%; border-radius: 10px; background:#fff; }
.footer-brand p { margin: 15px 0 0; font-size: 12px; }
.footer-links { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px 26px; font-size: 12px; }
.footer-links a:hover { color: var(--copper-2); }
.footer-company { display: flex; flex-direction: column; gap: 5px; font-size: 11px; }
.footer-company b { color: rgba(255,255,255,.82); font-size: 12px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 36px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); font-size: 10px; color: rgba(255,255,255,.35); }
.back-top { position: fixed; right: 22px; bottom: 22px; width: 44px; height: 44px; z-index: 40; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; background: var(--ink); color: #fff; box-shadow: 0 10px 30px rgba(0,0,0,.24); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(10px); transition: .2s; }
.back-top.show { opacity: 1; pointer-events: auto; transform: none; }

.service-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.service-card { position: relative; min-height: 420px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.62); display: flex; flex-direction: column; transition: .2s ease; }
.service-card:hover { transform: translateY(-5px); background: #fff; box-shadow: var(--shadow); }
.service-card.featured { background: var(--ink); color: #fff; }
.service-tag { align-self: flex-start; padding: 4px 9px; border: 1px solid rgba(29,117,101,.2); border-radius: 999px; font-size: 9px; letter-spacing: .12em; color: var(--jade); }
.featured .service-tag { color: var(--copper-2); border-color: rgba(223,192,139,.24); }
.service-ico { margin-top: 24px; font-size: 11px; color: var(--copper); }
.service-card h3 { margin: 12px 0 14px; font-size: 21px; }
.service-card > p { margin: 0; color: var(--muted); font-size: 12.5px; }
.featured > p { color: rgba(255,255,255,.57); }
.service-card ul { list-style: none; padding: 0; margin: 24px 0; }
.service-card li { position: relative; padding: 7px 0 7px 17px; border-top: 1px solid var(--line); color: #52635d; font-size: 11.5px; }
.featured li { color: rgba(255,255,255,.64); border-color: rgba(255,255,255,.1); }
.service-card li::before { content: "·"; position: absolute; left: 0; color: var(--jade); font-size: 18px; line-height: 1; }
.service-card > a { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); color: var(--jade); font-size: 12px; font-weight: 650; display: flex; justify-content: space-between; }
.featured > a { color: var(--copper-2); border-color: rgba(255,255,255,.12); }

.process-line { display: grid; grid-template-columns: repeat(4,1fr); position: relative; }
.process-line::before { content: ""; position: absolute; top: 24px; left: 9%; right: 9%; height: 1px; background: linear-gradient(90deg,var(--jade),var(--copper)); }
.process-step { position: relative; padding: 65px 22px 0; text-align: center; }
.process-step > span { position: absolute; left: 50%; top: 0; transform: translateX(-50%); width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid rgba(29,117,101,.24); border-radius: 50%; background: var(--paper-2); color: var(--jade); font-size: 10px; z-index: 1; }
.process-step b { font-size: 16px; }.process-step p{color:var(--muted);font-size:12px;max-width:220px;margin:8px auto 0}

.pricing-layout { display: grid; grid-template-columns: 1fr .82fr; gap: 70px; align-items: center; }
.pricing-copy h2,.about-copy h2,.assistant-copy h2 { margin: 10px 0 18px; font-size: clamp(31px,4vw,48px); line-height: 1.2; }
.pricing-copy > p,.about-copy > p,.assistant-copy > p { color: var(--muted); }
.pricing-principles { display: grid; gap: 11px; margin-top: 28px; }
.pricing-principles > div { padding: 13px 15px; border-left: 2px solid var(--copper); background: rgba(255,255,255,.48); }
.pricing-principles b { display: block; font-size: 12.5px; }.pricing-principles span{font-size:11.5px;color:var(--muted)}
.pricing-card { border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; padding: 28px; box-shadow: var(--shadow); }
.pricing-card h3 { margin: 0 0 20px; font-size: 20px; }
.pricing-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.pricing-fields label,.contact-form label { display: block; }
.pricing-fields span,.contact-form label > span { display: block; margin-bottom: 5px; color: var(--muted); font-size: 11px; }
.pricing-fields input,.contact-form input,.contact-form select,.contact-form textarea { width: 100%; border: 1px solid rgba(16,42,38,.16); border-radius: 9px; background: rgba(255,255,255,.07); color: inherit; padding: 10px 11px; outline: none; }
.pricing-fields input:focus,.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus { border-color: var(--jade); box-shadow: 0 0 0 3px rgba(29,117,101,.09); }
.pricing-card .button { margin-top: 16px; }
.quote-result { margin-top: 18px; padding: 18px; border-radius: 12px; background: var(--paper); text-align: center; }
.quote-result span { display: block; color: var(--muted); font-size: 10px; }.quote-result b{display:block;font-size:30px;margin:5px 0;color:var(--ink)}.quote-result small{color:var(--muted);font-size:9.5px}

.knowledge-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; }
.knowledge-card { padding: 26px; border-radius: var(--radius); border: 1px solid var(--line); background: rgba(255,255,255,.62); transition: .2s; }
.knowledge-card:hover { transform: translateY(-4px); background: #fff; box-shadow: var(--shadow); }
.knowledge-card > span { color: var(--copper); font-size: 9px; letter-spacing: .12em; }
.knowledge-card h3 { margin: 18px 0 10px; font-size: 19px; line-height: 1.4; }.knowledge-card p{color:var(--muted);font-size:12px}.knowledge-card footer{display:flex;justify-content:space-between;padding-top:14px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}
.knowledge-card button { border: 0; background: transparent; color: var(--jade); cursor: pointer; font-weight:650; }
.knowledge-loading { grid-column: 1/-1; padding: 50px; text-align: center; color: var(--muted); }

.about-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; align-items: center; }
.about-visual { position: relative; padding: 24px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.about-visual > img { width: 100%; max-height: 470px; object-fit: contain; }
.about-caption { padding: 16px 4px 2px; border-top: 1px solid var(--line); display: flex; flex-direction: column; }
.about-caption small { color: var(--copper); font-size: 9px; letter-spacing: .16em; }.about-caption b{font-size:14px;margin-top:5px}.about-caption span{color:var(--muted);font-size:10px}
.about-values { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 28px; }
.about-values > div { padding: 14px; border-radius: 12px; background: rgba(255,255,255,.55); border: 1px solid var(--line); }
.about-values span { color: var(--copper); font-size: 9px; }.about-values b{display:block;margin:8px 0 4px;font-size:12px}.about-values p{margin:0;color:var(--muted);font-size:10.5px}

.section-assistant { background: linear-gradient(135deg,#e4efe8,#f6f0e5); color: var(--ink); }
.assistant-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 70px; align-items: center; }
.assistant-copy p { color: var(--muted); }
.assistant-topics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.assistant-topics span { padding: 6px 11px; border: 1px solid var(--line); border-radius: 999px; color: #52635d; background: rgba(255,255,255,.48); font-size: 10px; cursor: pointer; }
.assistant-panel { border: 1px solid var(--line); border-radius: 22px; background: #fff; backdrop-filter: blur(12px); box-shadow: var(--shadow); overflow: hidden; }
.assistant-head { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.assistant-avatar { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: var(--paper); color: var(--ink); font-weight:700; }
.assistant-head > div:nth-child(2) { flex: 1; }.assistant-head b{display:block;font-size:13px}.assistant-head small{color:var(--muted);font-size:9.5px}
.assistant-log { height: 300px; overflow: auto; padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.assistant-message { max-width: 84%; padding: 11px 13px; border-radius: 12px; white-space: pre-wrap; font-size: 12px; line-height: 1.65; }
.assistant-message.bot { align-self: flex-start; background: #f1f5f2; color: #354d46; }
.assistant-message.user { align-self: flex-end; background: var(--paper); color: var(--ink); }
.assistant-input { display: flex; gap: 8px; padding: 14px; border-top: 1px solid var(--line); }
.assistant-input textarea { flex:1;resize:none;border:1px solid var(--line);border-radius:10px;background:#faf8f3;color:var(--ink);padding:10px;outline:none }
.assistant-input button { border:0;border-radius:10px;background:var(--copper-2);color:var(--ink);padding:0 18px;font-weight:650;cursor:pointer }
.assistant-panel > p { margin:0;padding:0 15px 14px;color:var(--muted);font-size:9px }

.contact-form { display: grid; gap: 12px; margin-top: 18px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.contact-form input,.contact-form select,.contact-form textarea { color:var(--ink);background:#fff;border-color:var(--line); }
.contact-form select option { color: var(--ink); }
.contact-form textarea { resize: vertical; }
.form-status { min-height: 18px; text-align: center; font-size: 11px; color: var(--copper-2); }
.cta-card > p { color: rgba(255,255,255,.38); font-size: 9.5px; }
.article-modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: rgba(4,18,15,.76); backdrop-filter: blur(8px); }
.article-dialog { position: relative; width: min(720px,100%); max-height: 84vh; overflow: auto; padding: 40px 42px; border-radius: 22px; background: var(--paper-2); color: var(--ink); box-shadow: 0 30px 100px rgba(0,0,0,.4); }
.article-dialog > span { color: var(--copper); font-size: 10px; letter-spacing: .12em; }.article-dialog h2{margin:14px 0 22px;font-size:34px;line-height:1.35}.article-dialog p{color:#4f625b;font-size:14px;line-height:1.9}
.article-close { position: absolute; right: 16px; top: 14px; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ink); font-size: 22px; cursor: pointer; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .desktop-nav { gap: 15px; }.desktop-nav a{font-size:12px}.brand-copy small{display:none}.header-actions .text-link{display:none}
  .hero-layout { grid-template-columns: 1fr 420px; gap: 30px; }.brand-seal{top:14px;right:14px;width:56px;height:56px}
  .principle-grid,.deliverable-grid,.kpi-grid { grid-template-columns: repeat(2,1fr); }
  .risk-grid,.evidence-grid { grid-template-columns: repeat(2,1fr); }
  .checklist-layout { gap: 35px; }
  .service-grid { grid-template-columns: repeat(2,1fr); }
  .pricing-layout,.about-layout,.assistant-layout { grid-template-columns: 1fr; gap: 38px; }
  .knowledge-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 820px) {
  .container { width: min(100% - 32px, 700px); }
  .site-header { height: 66px; }.brand-logo{width:42px;height:42px;border-radius:11px;background:url('/assets/pangyu-icon.jpg') center/cover}.brand-logo img{display:none}.brand-copy{display:flex;padding-left:9px}.brand-copy b{font-size:14px}.desktop-nav,.header-actions .button{display:none}.menu-toggle{display:block}
  .mobile-menu { display: none; position: fixed; top: 66px; left: 0; right: 0; z-index: 59; padding: 16px; background: rgba(251,249,244,.98); border-bottom:1px solid var(--line); box-shadow:0 20px 40px rgba(0,0,0,.1); }
  .mobile-menu.open { display: grid; gap: 4px; }.mobile-menu a{padding:11px 12px;border-radius:9px}.mobile-menu a:hover{background:rgba(29,117,101,.07)}
  .hero-layout { grid-template-columns: 1fr; padding: 70px 0 58px; }.hero h1{font-size:43px}.hero-visual{justify-content:flex-start}.visibility-card{width:100%;max-width:480px}.brand-seal{top:14px;right:14px;width:52px;height:52px}
  .hero-metrics { grid-template-columns: repeat(2,1fr); row-gap:18px; }.hero-metrics div:nth-child(3){border-left:0;padding-left:0}
  .section { padding: 74px 0; }.split-head,.weight-layout,.checklist-layout,.glossary-faq,.cta-layout{grid-template-columns:1fr;gap:35px}
  .checklist-copy{position:static}.principle-grid,.deliverable-grid,.kpi-grid,.risk-grid,.evidence-grid{grid-template-columns:1fr 1fr}
  .phase-head{grid-template-columns:48px 1fr 24px;padding:15px}.phase-weight{display:none}.phase-body{padding:24px}.phase-info{grid-template-columns:1fr}
  .quote-panel{padding:30px 25px 28px 72px}.quote-mark{left:22px}.footer-main{grid-template-columns:1fr 1fr}.footer-company{grid-column:span 2}
  .process-line { grid-template-columns: 1fr 1fr; gap: 28px 0; }
  .process-line::before { display: none; }
  .about-values { grid-template-columns: 1fr; }
  .aigeo-framework { grid-template-columns: 1fr; }
  .aigeo-tabs { grid-template-columns: repeat(2,1fr); }
  .aigeo-panel { min-height: auto; padding: 30px; }
  .aigeo-panel ul { grid-template-columns: 1fr; }
  .aigeo-outcomes { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 560px) {
  .brand-logo{width:112px}.hero h1{font-size:36px}.hero-lead{font-size:14px}.radar{width:280px;height:280px}.brand-seal{display:none}
  .hero-metrics strong{font-size:24px}.principle-grid,.deliverable-grid,.kpi-grid,.risk-grid,.evidence-grid,.footer-main{grid-template-columns:1fr}
  .check-score{align-items:flex-start;flex-direction:column}.footer-company{grid-column:auto}.footer-bottom{flex-direction:column}
  .section-head h2,.checklist-copy h2,.cta-layout h2{font-size:32px}.phase-head b{font-size:15px}.phase-main h3{font-size:18px}
  .service-grid,.knowledge-grid { grid-template-columns: 1fr; }
  .process-line { grid-template-columns: 1fr; }
  .pricing-fields,.contact-grid { grid-template-columns: 1fr; }
  .aigeo-tabs,.aigeo-outcomes { grid-template-columns: 1fr; }
  .aigeo-panel { padding: 24px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}