:root {
  --navy: #003057;
  --navy-deep: #002441;
  --orange: #f06a3f;
  --sand: #f4f0e8;
  --paper: #fcfbf7;
  --white: #fff;
  --ink: #172434;
  --muted: #647082;
  --line: #d9dee4;
  --sky: #e9f1f6;
  --measure: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI",
          "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "微软雅黑", "Heiti SC",
          Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--font); font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; overflow-x: hidden; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; }
p { line-height: 1.8; }
.skip-link { position: absolute; z-index: 100; left: 12px; top: 8px; transform: translateY(-160%); padding: 10px 14px; color: white; background: var(--navy); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; top: 0; z-index: 40; background: rgba(252,251,247,.94); border-bottom: 1px solid rgba(217,222,228,.85); backdrop-filter: blur(18px); }
.header-inner { width: min(var(--measure), calc(100% - 48px)); min-height: 82px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: 220px; display: block; }
nav { display: flex; align-items: center; gap: 6px 25px; color: #304259; font-size: 14px; font-weight: 500; }
nav a { padding: 29px 0 25px; border-bottom: 3px solid transparent; }
nav a:hover, nav a:focus-visible { color: var(--orange); border-color: var(--orange); }
.nav-contact { padding: 12px 18px !important; color: white !important; background: var(--navy); border: 0 !important; border-radius: 4px; }
.nav-contact:hover { background: var(--orange); }

.hero-film { position: relative; min-height: max(680px, calc(100svh - 82px)); display: grid; align-items: end; overflow: hidden; background: var(--navy-deep); }
.hero-film video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: .82; }
.hero-film::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,28,52,.91) 0%, rgba(0,36,65,.7) 45%, rgba(0,36,65,.16) 100%), linear-gradient(0deg, rgba(0,30,54,.68), transparent 58%); }
.hero-inner { position: relative; z-index: 2; width: min(var(--measure), calc(100% - 48px)); margin: auto; padding: 130px 0 82px; color: white; }
.hero-inner h1 { max-width: 900px; color: white; font-size: clamp(45px, 6.5vw, 88px); font-weight: 700; line-height: 1.05; letter-spacing: -.038em; }
.hero-inner .lead { max-width: 680px; color: #e0e9ef; }
.hero-badge { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 24px; color: #fff; font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.hero-badge::before { content: ""; width: 32px; height: 3px; background: var(--orange); }
.hero-caption { position: absolute; z-index: 3; right: max(24px, calc((100vw - var(--measure))/2)); bottom: 36px; padding: 10px 13px; color: #d8e3eb; border-left: 2px solid var(--orange); background: rgba(0,36,65,.5); font-size: 12px; }

.intro-statement { max-width: 880px; margin: 0 auto 78px; text-align: center; }
.intro-statement h2 { font-family: var(--font); font-weight: 700; line-height: 1.18; }
.intro-split { display: grid; grid-template-columns: .82fr 1.18fr; gap: 58px; align-items: center; }
.intro-split video { width: 100%; aspect-ratio: 16/10; display: block; object-fit: cover; border-radius: 5px; background: var(--navy); box-shadow: 0 25px 60px rgba(0,48,87,.13); }
.intro-split p { color: var(--muted); }
.tag { display: inline-block; margin-bottom: 18px; padding: 7px 10px 6px; color: var(--navy); background: #ffd966; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

.capability-overview { margin-top: 85px; }
.capability-overview h2 { margin-bottom: 35px; font-family: var(--font); font-size: 34px; font-weight: 700; }
.capability-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px 34px; }
.capability-link { display: grid; grid-template-columns: 43px 1fr; align-items: center; gap: 12px; min-height: 62px; color: var(--navy); font-size: 17px; font-weight: 700; }
.capability-link i { width: 40px; height: 40px; display: grid; place-items: center; color: var(--orange); border: 1px solid #9bc9dd; border-radius: 50%; font-style: normal; font-size: 12px; }
.capability-link:hover { color: var(--orange); }

.journey-banner { position: relative; min-height: 690px; display: grid; align-items: start; overflow: hidden; color: white; background: var(--navy); }
.journey-banner video { position: absolute; inset: 190px 0 0; width: 100%; height: calc(100% - 190px); object-fit: cover; opacity: .44; }
.journey-banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(var(--navy) 0 24%, rgba(0,48,87,.3) 60%, var(--navy) 100%); }
.journey-banner__copy { position: relative; z-index: 2; width: min(820px,calc(100% - 48px)); margin: 0 auto; padding-top: 76px; text-align: center; }
.journey-banner h2 { color: white; font-family: var(--font); font-weight: 700; }
.journey-banner p { color: #d4e2eb; }

.capability-section { padding: 92px 0; }
.capability-section:nth-of-type(even) { background: #f2f2f0; }
.capability-inner { width: min(var(--measure),calc(100% - 48px)); margin: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 78px; align-items: center; }
.capability-section--reverse .capability-media { order: 2; }
.capability-copy { max-width: 520px; }
.capability-copy h2 { margin-bottom: 20px; font-family: var(--font); font-size: clamp(32px,3.2vw,48px); font-weight: 700; }
.capability-copy p { color: var(--muted); }
.capability-copy ul { margin: 25px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.capability-copy li { padding: 11px 0; display: flex; gap: 10px; color: #47566a; border-bottom: 1px solid var(--line); font-size: 13px; }
.capability-copy li::before { content: "✓"; color: var(--orange); font-weight: 900; }
.capability-media { position: relative; min-width: 0; }
.capability-media > img, .capability-media > video { width: 100%; aspect-ratio: 4/3; display: block; object-fit: cover; border-radius: 5px; background: var(--navy); box-shadow: 0 24px 55px rgba(0,48,87,.12); }
.capability-media > video { aspect-ratio: 16/10; }
.media-note { position: absolute; max-width: 230px; right: -18px; bottom: 22px; padding: 14px 17px; color: var(--navy); background: white; border-left: 3px solid var(--orange); box-shadow: 0 14px 36px rgba(0,48,87,.16); font-size: 12px; font-weight: 700; }

.profile-ui { overflow: hidden; border: 1px solid #d6dee7; border-radius: 7px; background: white; box-shadow: 0 28px 65px rgba(0,48,87,.14); }
.profile-ui__top { padding: 16px 20px; display: flex; justify-content: space-between; color: white; background: var(--navy); font-size: 12px; }
.profile-ui__body { padding: 28px; }
.profile-ui__score { display: grid; grid-template-columns: 120px 1fr; gap: 24px; align-items: center; }
.score-dial { width: 116px; height: 116px; display: grid; place-items: center; position: relative; border-radius: 50%; background: conic-gradient(var(--orange) 0 72%, #e8edf1 72%); }
.score-dial::before { content: ""; position: absolute; width: 84px; height: 84px; border-radius: 50%; background: white; }
.score-dial strong { position: relative; color: var(--navy); font-size: 20px; }
.score-copy small { color: var(--muted); }
.score-copy b { display: block; margin: 8px 0 12px; color: var(--navy); font-size: 18px; }
.ui-bar { height: 8px; overflow: hidden; border-radius: 8px; background: #e8edf1; }
.ui-bar i { display: block; width: 72%; height: 100%; background: linear-gradient(90deg,var(--orange),#ffad73); }
.profile-ui__grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin-top: 25px; }
.profile-ui__grid div { min-height: 92px; padding: 14px; background: #f6f8fa; border: 1px solid #e0e5ea; border-radius: 4px; }
.profile-ui__grid b { display: block; margin-bottom: 7px; color: var(--navy); }
.profile-ui__grid small { color: var(--muted); line-height: 1.55; }

.roadmap-ui { padding: 28px; border-radius: 6px; color: white; background: var(--navy); box-shadow: 0 28px 65px rgba(0,48,87,.14); }
.roadmap-ui__head { display: flex; justify-content: space-between; margin-bottom: 28px; }
.roadmap-ui__head span { color: #bcd0df; font-size: 12px; }
.roadmap-step { position: relative; display: grid; grid-template-columns: 58px 1fr; gap: 15px; padding: 0 0 25px; }
.roadmap-step:not(:last-child)::after { content: ""; position: absolute; left: 28px; top: 47px; bottom: 3px; width: 1px; background: rgba(255,255,255,.25); }
.roadmap-step i { width: 56px; height: 38px; display: grid; place-items: center; color: var(--navy); background: #ffd966; border-radius: 20px; font-style: normal; font-size: 11px; font-weight: 700; }
.roadmap-step b { display: block; margin-bottom: 5px; color: white; }
.roadmap-step small { color: #cbd8e2; }

.proof-section { padding: 96px 0; background: white; }
.proof-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 15px; }
.proof-card { min-height: 250px; padding: 25px; display: flex; flex-direction: column; justify-content: space-between; background: white; border: 1px solid var(--line); box-shadow: 0 12px 28px rgba(0,48,87,.07); }
.proof-card small { color: var(--orange); font-weight: 700; }
.proof-card h3 { margin: 18px 0 10px; }
.proof-card p { color: var(--muted); font-size: 13px; }
.proof-card strong { color: var(--navy); font-size: 13px; }

h1, h2, h3 { margin: 0; color: var(--navy); font-family: var(--font); font-weight: 700; line-height: 1.18; letter-spacing: -.025em; }
h1 { font-size: clamp(44px, 5.5vw, 74px); }
h2 { font-size: clamp(30px, 3.4vw, 48px); }
h3 { font-size: 21px; }
.eyebrow { margin: 0 0 15px; color: var(--orange); font-size: 12px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.lead { max-width: 720px; margin: 22px 0 0; color: #536277; font-size: 19px; line-height: 1.85; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 0 22px; color: white; background: var(--orange); border: 1px solid var(--orange); border-radius: 4px; font-size: 14.5px; font-weight: 700; transition: .2s ease; }
.button:hover { transform: translateY(-2px); background: #db5730; }
.button--ghost { color: white; background: transparent; border-color: rgba(255,255,255,.65); }
.button--navy { background: var(--navy); border-color: var(--navy); }
.button--outline { color: var(--navy); background: transparent; border-color: var(--navy); }

.metrics { display: grid; grid-template-columns: repeat(4,1fr); color: white; background: var(--navy); }
.metric { min-height: 168px; padding: 35px max(24px, calc((100vw - var(--measure))/8)); border-right: 1px solid rgba(255,255,255,.15); }
.metric strong { display: block; color: white; font-family: var(--font); font-size: 44px; font-weight: 700; }
.metric span { color: #cbd8e2; font-size: 13px; }

.section, .page-hero, .site-footer { width: min(var(--measure), calc(100% - 48px)); margin: auto; }
.section { padding: 96px 0; }
.section--wide { width: 100%; max-width: none; }
.section--sand { background: var(--sand); }
.section--sky { background: var(--sky); }
.section--navy { color: white; background: var(--navy); }
.section-inner { width: min(var(--measure), calc(100% - 48px)); margin: auto; }
.section-head { display: grid; grid-template-columns: .65fr 1fr; align-items: end; gap: 55px; margin-bottom: 44px; }
.section-head p:last-child { max-width: 610px; margin: 0; color: var(--muted); }
.section--navy .section-head h2 { color: white; }
.section--navy .section-head p:last-child { color: #cbd8e2; }

.pillar-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); }
.pillar { min-height: 350px; padding: 28px 25px 28px 0; border-right: 1px solid var(--line); }
.pillar:not(:first-child) { padding-left: 25px; }
.pillar:last-child { border-right: 0; }
.pillar .num { display: block; margin-bottom: 72px; color: var(--orange); font-size: 13px; font-weight: 700; }
.pillar h3 { font-size: 29px; }
.pillar p { color: var(--muted); font-size: 14px; }
.pillar a { color: var(--orange); font-size: 13px; font-weight: 700; }

.media-feature { display: grid; grid-template-columns: 1.2fr .8fr; gap: 45px; align-items: center; }
.media-feature video, .media-feature img { width: 100%; display: block; aspect-ratio: 16/10; object-fit: cover; border-radius: 5px; background: #071a2c; }
.media-copy p { color: var(--muted); }
.media-copy .detail-list { margin: 25px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.detail-list li { padding: 12px 0; display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); color: #45546a; font-size: 13px; }

.video-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.video-card { background: white; border-bottom: 3px solid var(--orange); }
.video-card video { width: 100%; display: block; aspect-ratio: 16/9; object-fit: cover; background: #071a2c; }
.video-card-copy { padding: 20px; }
.video-card small { color: var(--orange); font-weight: 700; }
.video-card h3 { margin-top: 8px; }
.video-card p { color: var(--muted); font-size: 13px; }

.photo-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; grid-template-rows: 230px 230px; gap: 12px; }
.photo-grid figure { margin: 0; position: relative; overflow: hidden; border-radius: 4px; }
.photo-grid figure:first-child { grid-row: 1 / 3; }
.photo-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.photo-grid figure:hover img { transform: scale(1.03); }
.photo-grid figcaption { position: absolute; inset: auto 0 0; padding: 25px 16px 12px; color: white; background: linear-gradient(transparent,rgba(0,36,65,.82)); font-size: 12px; }

.founder { display: grid; grid-template-columns: .9fr 1.1fr; align-items: stretch; background: var(--navy); }
.founder img { width: 100%; height: 100%; min-height: 580px; object-fit: cover; }
.founder-copy { padding: 70px; color: white; }
.founder-copy h2 { color: white; }
.founder-copy p { color: #cbd8e2; }
.founder-credentials { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 30px; }
.founder-credentials span { padding: 13px 0; border-top: 1px solid rgba(255,255,255,.22); color: #e9f1f6; font-size: 13px; }

.trust-strip { display: flex; flex-wrap: wrap; gap: 10px; }
.trust-strip span { padding: 13px 16px; color: #405167; background: white; border: 1px solid var(--line); border-radius: 3px; font-size: 13px; }
.disclaimer { margin-top: 22px; color: var(--muted); font-size: 11px; }

.cta { padding: 68px; display: grid; grid-template-columns: 1fr .65fr; gap: 50px; align-items: center; color: white; background: var(--navy); }
.cta h2 { color: white; }
.cta p { color: #d2dfe8; }
.cta-contact { display: grid; gap: 10px; }
.cta-contact a { padding: 15px 18px; color: var(--navy); background: white; border-radius: 4px; font-weight: 700; }

.page-hero { padding: 100px 0 70px; border-bottom: 1px solid var(--line); }
.page-hero-grid { display: grid; grid-template-columns: 1fr .72fr; gap: 55px; align-items: center; }
.page-hero img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 4px; }
.breadcrumbs { margin-bottom: 30px; color: var(--muted); font-size: 12px; }
.breadcrumbs a:hover { color: var(--orange); }
.meta-strip { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 38px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.meta-strip span { padding: 14px 10px 14px 0; color: #516075; font-size: 13px; font-weight: 700; }
.content-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.content-card { padding-top: 24px; border-top: 3px solid var(--navy); }
.content-card:nth-child(2) { border-color: var(--orange); }
.content-card p { color: var(--muted); }
.article { max-width: 790px; }
.article h2 { margin: 50px 0 16px; font-size: 31px; }
.article p, .article li { color: #4c5c70; line-height: 1.9; }
.article li { margin: 8px 0; }
.related { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; }
.related a { min-height: 160px; padding: 22px; background: white; border: 1px solid var(--line); border-radius: 4px; }
.related small { color: var(--orange); font-weight: 700; }
.related strong { display: block; margin-top: 30px; color: var(--navy); font-size: 18px; }
.program-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.program-card { overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 4px; }
.program-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.program-card div { padding: 22px; }
.program-card small { color: var(--orange); font-weight: 700; }
.program-card p { color: var(--muted); font-size: 13px; }
.program-card a { color: var(--navy); font-size: 13px; font-weight: 700; }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 55px; }
.contact-list { display: grid; gap: 12px; }
.contact-list a, .contact-list div { padding: 20px; background: white; border: 1px solid var(--line); border-radius: 4px; }
.contact-list small { display: block; color: var(--orange); margin-bottom: 6px; }
.map-placeholder { min-height: 400px; padding: 45px; display: grid; align-content: end; color: white; background: linear-gradient(145deg,rgba(0,48,87,.6),rgba(0,36,65,.95)),url("photos/founder-guo-wide.jpg") center/cover; border-radius: 4px; }

.site-footer { padding: 65px 0 40px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 65px; border-top: 1px solid var(--line); }
.site-footer img { width: 225px; }
.site-footer p { max-width: 470px; color: var(--muted); font-size: 13px; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 13px 20px; align-content: start; color: #44546a; font-size: 13px; }
.footer-bottom { grid-column: 1/-1; display: flex; justify-content: space-between; gap: 25px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }

@media(max-width:980px){
  .header-inner { padding: 14px 0; align-items: flex-start; flex-direction: column; gap: 8px; }
  nav { width: 100%; overflow-x: auto; white-space: nowrap; }
  nav a { padding: 8px 0 6px; }
  .nav-contact { margin-left: auto; }
  .metrics, .pillar-grid { grid-template-columns: repeat(2,1fr); }
  .section-head, .page-hero-grid, .founder, .cta, .site-footer { grid-template-columns: 1fr; }
  .video-grid, .program-grid { grid-template-columns: repeat(2,1fr); }
  .founder-copy { padding: 45px; }
  .intro-split, .capability-inner { grid-template-columns: 1fr; }
  .capability-section--reverse .capability-media { order: 0; }
  .capability-copy { max-width: none; }
  .proof-grid { grid-template-columns: repeat(2,1fr); }
}

@media(max-width:650px){
  .header-inner, .hero-inner, .section, .section-inner, .page-hero, .site-footer { width: min(100% - 28px, 500px); }
  .brand img { width: 200px; }
  nav { gap: 16px; font-size: 13px; }
  .nav-contact { display: none; }
  .hero-film { min-height: 690px; }
  .hero-film::after { background: linear-gradient(0deg,rgba(0,36,65,.92),rgba(0,36,65,.45)); }
  .hero-inner { padding: 125px 0 70px; }
  .hero-inner h1 { font-size: 42px; }
  .hero-caption { display: none; }
  .metrics, .pillar-grid, .video-grid, .program-grid, .content-grid, .related, .contact-grid { grid-template-columns: 1fr; }
  .metric { min-height: 130px; padding: 25px 20px; border-bottom: 1px solid rgba(255,255,255,.15); }
  .section { padding: 70px 0; }
  .section-head { gap: 18px; }
  .pillar { min-height: auto; padding: 24px 0 !important; border-right: 0; border-bottom: 1px solid var(--line); }
  .pillar .num { margin-bottom: 30px; }
  .media-feature { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 270px 190px 190px; }
  .photo-grid figure:first-child { grid-column: 1/3; grid-row: auto; }
  .founder img { min-height: 420px; }
  .founder-copy { padding: 34px 24px; }
  .founder-credentials { grid-template-columns: 1fr; }
  .cta { padding: 38px 24px; gap: 28px; }
  .page-hero { padding: 70px 0 48px; }
  .page-hero-grid { gap: 35px; }
  .meta-strip { grid-template-columns: 1fr; }
  .meta-strip span { border-bottom: 1px solid var(--line); }
  .footer-links { grid-template-columns: repeat(2,1fr); }
  .footer-bottom { flex-direction: column; }
  .intro-statement { margin-bottom: 52px; }
  .capability-grid { grid-template-columns: 1fr; gap: 12px; }
  .capability-overview { margin-top: 58px; }
  .journey-banner { min-height: 610px; }
  .journey-banner video { top: 210px; }
  .capability-section { padding: 68px 0; }
  .capability-inner { width: min(100% - 28px,500px); gap: 38px; }
  .media-note { right: 10px; bottom: 10px; }
  .profile-ui__body { padding: 18px; }
  .profile-ui__score { grid-template-columns: 90px 1fr; gap: 14px; }
  .score-dial { width: 88px; height: 88px; }
  .score-dial::before { width: 64px; height: 64px; }
  .profile-ui__grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
}

@media(prefers-reduced-motion:reduce){
  html { scroll-behavior: auto; }
  .hero-film video, .journey-banner video { display: none; }
}