:root {
  --navy: #06284d;
  --navy-deep: #031c38;
  --blue: #146cff;
  --coral: #ff624b;
  --yellow: #f7c843;
  --white: #fff;
  --ink: #09233e;
  --muted: #5f6e7c;
  --line: #d9e0e6;
  --page: #f4f7f9;
  --serif: "Noto Serif SC", Georgia, serif;
  --sans: "DM Sans", "Noto Sans SC", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--sans); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 100; background: var(--white); padding: 12px 18px; }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed; z-index: 20; top: 0; left: 0; right: 0; height: 88px; padding: 0 4vw; display: flex; align-items: center; gap: 3vw;
  color: var(--navy); background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(6,40,77,.12);
  transition: color .35s ease, background .35s ease, border-color .35s ease, transform .35s ease;
}
.site-header.is-over-hero { color: var(--white); background: transparent; border-color: rgba(255,255,255,.24); }
.site-header.is-over-hero .brand-name small, .site-header.is-over-hero .lang-divider, .site-header.is-over-hero .lang-alt { color: rgba(255,255,255,.66); }
.site-header.is-over-hero .button-dark { color: var(--navy); background: var(--yellow); }
.brand { display: flex; align-items: center; gap: 10px; min-width: 180px; }
.brand-mark { width: 52px; height: 58px; display: block; position: relative; overflow: hidden; }
.brand-mark img { position: absolute; width: 58px; height: 58px; object-fit: contain; max-width: none; left: -3px; top: 0; transition: opacity .35s ease; }
.brand-mark .logo-inverse { opacity: 0; }
.site-header.is-over-hero .brand-mark .logo-normal { opacity: 0; }
.site-header.is-over-hero .brand-mark .logo-inverse { opacity: 1; }
.brand-name { display: grid; line-height: 1; gap: 5px; }
.brand-name strong { font-size: 17px; letter-spacing: .12em; }
.brand-name small { color: var(--muted); font-size: 11px; letter-spacing: .16em; }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 2vw; }
.main-nav a { position: relative; font-size: 13px; font-weight: 600; padding: 34px 0 32px; }
.main-nav a::after { content: ""; position: absolute; height: 2px; left: 0; right: 100%; bottom: 25px; background: var(--yellow); transition: right .25s ease; }
.main-nav a:hover::after { right: 0; }
.mobile-language-switch { display: none; }
.header-actions { display: flex; align-items: center; gap: 18px; }
.language-switch { border: 0; background: none; cursor: pointer; padding: 10px 0; font-size: 12px; font-weight: 600; }
.lang-divider, .lang-alt { color: #9aa5ae; }
.menu-toggle { display: none; }

.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; padding: 0 22px; font-size: 13px; font-weight: 600; border: 1px solid transparent; transition: .25s ease; }
.button:hover { transform: translateY(-2px); }
.button-small { min-height: 42px; padding: 0 17px; gap: 14px; }
.button-dark { color: var(--white); background: var(--navy); }
.button-light { color: var(--navy); background: var(--white); }
.button-outline { border-color: var(--navy); }
.button-outline:hover { color: var(--white); background: var(--navy); }
.button-coral { color: var(--white); background: var(--coral); min-width: 220px; }
.text-link { display: inline-flex; align-items: center; gap: 28px; padding-bottom: 7px; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 600; }
.light-link { color: var(--white); }

.hero { position: relative; min-height: 100vh; background: var(--navy); overflow: hidden; }
.hero-media { position: absolute; inset: 0; background: url("assets/images/hero-poster.jpg") center/cover no-repeat; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,28,56,.92) 0%, rgba(3,28,56,.68) 42%, rgba(3,28,56,.18) 76%), linear-gradient(0deg, rgba(3,28,56,.6), transparent 55%); }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .5s ease; background: var(--navy); }
.hero-video.is-active { opacity: 1; }
.hero-panel { position: relative; z-index: 2; width: min(1000px, 76%); min-height: 100vh; padding: clamp(130px, 16vh, 190px) 5vw 90px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; color: var(--white); }
.hero-line { display: block; width: 0; height: 5px; margin-bottom: 35px; background: var(--yellow); animation: lineGrow 1.2s .35s ease forwards; }
.hero h1 { max-width: 850px; margin: 0 0 34px; font-family: var(--serif); font-size: clamp(45px, 5vw, 76px); line-height: 1.2; letter-spacing: -.04em; }
.hero-title-animated span { display: block; white-space: nowrap; opacity: 0; transform: translateY(55px); animation: heroTextReveal .9s cubic-bezier(.2,.75,.25,1) forwards; }
.hero-title-animated span:nth-child(2) { animation-delay: .14s; }
.hero-panel > p { opacity: 0; transform: translateY(24px); animation: heroTextReveal .8s .42s ease forwards; }
.hero-actions { opacity: 0; transform: translateY(20px); animation: heroTextReveal .8s .58s ease forwards; }
.hero p { max-width: 570px; margin: 0 0 42px; font-size: 16px; line-height: 1.85; color: rgba(255,255,255,.8); }
.hero-actions { display: flex; align-items: center; gap: 34px; }
.hero-index { position: absolute; right: 3vw; bottom: 4vh; z-index: 3; color: var(--white); display: grid; line-height: .78; font-size: clamp(52px, 7vw, 108px); font-weight: 600; letter-spacing: -.08em; opacity: .9; }
.scroll-cue { position: absolute; z-index: 4; left: 50%; bottom: 25px; transform: translateX(-50%); color: var(--white); display: grid; justify-items: center; gap: 10px; font-size: 10px; letter-spacing: .18em; }
.scroll-cue i { position: relative; display: block; width: 1px; height: 44px; overflow: hidden; background: rgba(255,255,255,.3); }
.scroll-cue i::after { content: ""; position: absolute; width: 1px; height: 20px; top: -20px; left: 0; background: var(--yellow); animation: scrollLine 1.8s ease infinite; }

.section-pad { padding: 120px 6vw; }
.section-label { display: flex; align-items: center; gap: 18px; min-width: 190px; color: var(--blue); }
.section-label::before { content: ""; width: 32px; height: 3px; background: var(--yellow); transform-origin: left; transition: transform .8s ease; }
.section-label span { font-size: 11px; font-weight: 600; }
.section-label p { margin: 0; font-size: 12px; font-weight: 600; letter-spacing: .14em; }
.section-label.light { color: rgba(255,255,255,.65); }
.mission { display: grid; grid-template-columns: 1fr 4fr; gap: 5vw; }
.mission-copy h2 { max-width: 1100px; margin: 0 0 70px; font-family: var(--serif); font-size: clamp(40px, 5.2vw, 74px); line-height: 1.3; letter-spacing: -.04em; font-weight: 600; }
.mission-detail { display: grid; grid-template-columns: 1.5fr 1fr; gap: 9vw; padding-top: 34px; border-top: 1px solid var(--line); }
.mission-detail p { margin: 0; max-width: 700px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.mission-detail .text-link { align-self: start; justify-self: end; }
.about-principles { margin: 42px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); }
.about-principles li { min-height: 145px; padding: 24px; display: flex; flex-direction: column; gap: 15px; background: var(--page); }
.about-principles strong { font-size: 15px; }
.about-principles span { color: var(--muted); font-size: 12px; line-height: 1.7; }
.about-facts { margin-top: 70px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-facts div { min-height: 150px; padding: 28px 22px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); }
.about-facts div:last-child { border-right: 0; }
.about-facts strong { color: var(--navy); font-size: clamp(38px, 4vw, 62px); line-height: 1; letter-spacing: -.06em; }
.about-facts span { color: var(--muted); font-size: 11px; line-height: 1.5; }
.founder-profile { margin-top: 90px; display: grid; grid-template-columns: 1.25fr 1fr; min-height: 520px; background: var(--navy); }
.founder-media { display: grid; grid-template-rows: minmax(520px, 1fr) auto; min-width: 0; }
.founder-photo { min-height: 520px; position: relative; display: block; overflow: hidden; }
.founder-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 56% center; transition: transform 1s ease; }
.founder-photo span { position: absolute; right: 22px; bottom: 22px; padding: 11px 15px; display: flex; gap: 24px; color: var(--navy); background: var(--yellow); font-size: 11px; font-weight: 600; opacity: 0; transform: translateY(8px); transition: opacity .3s ease, transform .3s ease; }
.founder-photo:hover span, .founder-photo:focus-visible span { opacity: 1; transform: translateY(0); }
.founder-photo span i { font-style: normal; }
.founder-profile:hover .founder-photo img { transform: scale(1.025); }
.founder-socials { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.2); }
.founder-socials a, .founder-socials button { min-height: 76px; padding: 0 20px; display: flex; align-items: center; gap: 11px; color: var(--white); border: 0; border-right: 1px solid rgba(255,255,255,.2); background: transparent; font: inherit; font-size: 13px; font-weight: 500; cursor: pointer; transition: color .25s ease, background-color .25s ease; }
.founder-socials > :last-child { border-right: 0; }
.founder-socials svg { width: 21px; height: 21px; flex: 0 0 auto; fill: currentColor; }
.founder-socials .social-logo-red { width: 39px; color: var(--white); }
.social-logo-red text { fill: #fff; font-family: "Noto Sans SC", sans-serif; font-size: 9px; font-weight: 600; letter-spacing: -.5px; }
.founder-socials .social-logo-channels { color: var(--white); }
.founder-socials a:first-child svg { color: var(--white); }
.founder-socials a:hover .social-logo-red, .founder-socials a:focus-visible .social-logo-red,
.founder-socials a:hover .social-logo-channels, .founder-socials a:focus-visible .social-logo-channels,
.founder-socials a:first-child:hover svg, .founder-socials a:first-child:focus-visible svg { color: var(--navy); }
.founder-socials a:hover .social-logo-red text, .founder-socials a:focus-visible .social-logo-red text { fill: var(--navy); }
.founder-socials b { margin-left: auto; color: var(--yellow); font-size: 12px; }
.founder-socials a:hover, .founder-socials a:focus-visible { color: var(--navy); background: var(--yellow); }
.founder-socials a:hover b, .founder-socials a:focus-visible b { color: var(--navy); }
.founder-socials button:hover, .founder-socials button:focus-visible { color: var(--navy); background: var(--yellow); }
.founder-socials button:hover b, .founder-socials button:focus-visible b { color: var(--navy); }
.social-qr-modal[hidden] { display: none; }
.social-qr-modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 24px; }
.social-qr-backdrop { position: absolute; inset: 0; border: 0; background: rgba(2,34,65,.78); backdrop-filter: blur(8px); cursor: pointer; }
.social-qr-card { position: relative; z-index: 1; width: min(420px, 100%); padding: 38px; color: var(--navy); background: var(--white); box-shadow: 0 28px 80px rgba(0,0,0,.28); text-align: center; }
.social-qr-card p { margin: 0 0 10px; color: #f3982c; font-size: 10px; font-weight: 600; letter-spacing: .18em; }
.social-qr-card h2 { margin: 0 0 24px; font-family: var(--serif); font-size: 27px; }
.social-qr-card img { width: 100%; max-height: 440px; object-fit: contain; }
.social-qr-card small { display: block; margin-top: 18px; color: var(--muted); }
.social-qr-close { position: absolute; top: 12px; right: 14px; width: 36px; height: 36px; border: 0; color: var(--navy); background: transparent; font-size: 28px; line-height: 1; cursor: pointer; }
body.has-modal { overflow: hidden; }
.founder-copy { padding: 55px; color: var(--white); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.founder-role { margin: 0 0 20px; color: var(--yellow); font-size: 11px; letter-spacing: .15em; }
.founder-copy h3 { margin: 0 0 28px; font-family: var(--serif); font-size: clamp(40px, 4vw, 62px); }
.founder-copy > p:not(.founder-role) { margin: 0; color: rgba(255,255,255,.68); font-size: 14px; line-height: 1.85; }
.founder-copy blockquote { margin: 48px 0 0; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.25); font-family: var(--serif); font-size: 24px; line-height: 1.6; }

.partner-showcase { padding: 110px 0 115px; overflow: hidden; color: var(--white); background: var(--navy-deep); }
.partner-showcase-head { padding: 0 6vw 75px; display: grid; grid-template-columns: 2fr 1fr; gap: 10vw; align-items: end; }
.showcase-kicker { display: block; margin-bottom: 28px; color: var(--yellow); font-size: 10px; letter-spacing: .18em; }
.partner-showcase h2 { max-width: 900px; margin: 0; font-family: var(--serif); font-size: clamp(42px, 5vw, 72px); line-height: 1.3; letter-spacing: -.04em; }
.partner-showcase-head p { margin: 0; color: rgba(255,255,255,.54); font-size: 13px; line-height: 1.9; }
.foundation-block { padding: 0 6vw 90px; }
.showcase-row-label { padding: 0 0 20px; display: flex; align-items: baseline; gap: 18px; border-bottom: 1px solid rgba(255,255,255,.2); }
.showcase-row-label span { color: var(--yellow); font-size: 10px; }
.showcase-row-label strong { font-family: var(--serif); font-size: 20px; }
.showcase-row-label small { margin-left: auto; color: rgba(255,255,255,.4); font-size: 10px; letter-spacing: .12em; }
.foundation-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.logo-card { position: relative; min-height: 215px; padding: 30px 22px; display: flex; flex-direction: column; align-items: flex-start; justify-content: space-between; border-right: 1px solid rgba(255,255,255,.17); border-bottom: 1px solid rgba(255,255,255,.17); transition: color .3s ease, background .3s ease, transform .3s ease; }
.logo-card:first-child { border-left: 1px solid rgba(255,255,255,.17); }
.logo-card:hover { color: var(--navy); background: var(--yellow); transform: translateY(-5px); }
.logo-card img { width: 110px; height: 66px; object-fit: contain; object-position: left center; }
.logo-card img.logo-unavailable, .employer-logo img.logo-unavailable { display: none; }
.logo-card strong { font-size: 14px; line-height: 1.4; }
.logo-card span { color: rgba(255,255,255,.4); font-size: 9px; letter-spacing: .14em; }
.logo-card:hover span { color: rgba(6,40,77,.6); }
.employer-block .showcase-row-label { margin: 0 6vw; }
.employer-marquee { width: 100%; overflow: hidden; }
.employer-track { width: max-content; display: flex; animation: employerMarquee 95s linear infinite; }
.employer-track-reverse { animation-name: employerMarqueeReverse; border-top: 1px solid rgba(255,255,255,.16); }
.employer-marquee:hover .employer-track { animation-play-state: paused; }
.employer-logo { width: 270px; min-height: 210px; padding: 42px 28px 30px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px; border-right: 1px solid rgba(255,255,255,.16); transition: color .3s ease, background .3s ease; }
.employer-logo:hover { color: var(--navy); background: var(--yellow); }
.employer-logo img { width: 160px; height: 88px; object-fit: contain; transition: transform .3s ease; }
.employer-logo:hover img { transform: scale(1.06); }
.employer-logo.has-white-logo img { filter: grayscale(1) brightness(0) invert(1); }
.employer-logo.is-mcdonalds:hover img, .employer-logo.is-mcdonalds:focus-visible img, .employer-logo.is-mcdonalds:active img { filter: grayscale(1) brightness(0) invert(1); }
.employer-logo strong { font-size: 12px; text-align: center; line-height: 1.5; }
.employer-wordmark { min-height: 68px; display: grid; place-items: center; color: var(--white); font-family: var(--serif); font-size: 20px; line-height: 1.15; text-align: center; transition: color .3s ease, transform .3s ease; }
.employer-logo:hover .employer-wordmark { color: var(--navy); transform: scale(1.04); }
.employer-logo.is-unlinked { cursor: default; }

.programs { position: relative; color: var(--white); background: var(--navy); display: grid; grid-template-columns: 1.1fr 1fr; gap: 4vw; overflow: hidden; }
.programs::after { content: ""; position: absolute; width: 260px; height: 260px; border: 60px solid var(--yellow); right: -110px; top: -120px; transform: rotate(30deg); opacity: .92; }
.programs-heading { position: relative; z-index: 2; padding-right: 5vw; }
.programs-heading h2 { margin: 60px 0 30px; font-family: var(--serif); font-size: clamp(40px, 4vw, 66px); line-height: 1.25; letter-spacing: -.035em; }
.programs-heading > p { max-width: 490px; color: rgba(255,255,255,.64); line-height: 1.9; }
.program-list { position: relative; z-index: 3; align-self: end; margin-top: 270px; }
.program-item { display: grid; grid-template-columns: 40px 1fr 30px; gap: 20px; align-items: center; padding: 24px 0; border-top: 1px solid rgba(255,255,255,.22); cursor: pointer; transition: .2s ease; }
.program-item:last-child { border-bottom: 1px solid rgba(255,255,255,.22); }
.program-item:hover, .program-item.is-active { color: var(--yellow); padding-left: 12px; }
.program-number { font-size: 11px; opacity: .55; }
.program-item h3 { margin: 0 0 5px; font-size: 23px; letter-spacing: -.02em; }
.program-item p { margin: 0; font-size: 12px; opacity: .65; }
.program-arrow { justify-self: end; }
.program-image { position: absolute; z-index: 1; width: 42%; height: 360px; top: 0; right: 0; background: url("swt项目图.jpg") center/cover; transition: background-image .3s ease; }
.audience-list { margin-top: 250px; }
.audience-group { border-top: 1px solid rgba(255,255,255,.25); padding: 22px 0; }
.audience-group:last-child { border-bottom: 1px solid rgba(255,255,255,.25); }
.audience-heading { display: grid; grid-template-columns: 40px 1fr; gap: 20px; align-items: start; }
.audience-heading h3 { margin: 0 0 5px; font-size: 22px; }
.audience-heading p { margin: 0; color: rgba(255,255,255,.5); font-size: 11px; }
.audience-programs { display: grid; gap: 7px; margin: 18px 0 0 60px; }
.program-chip { display: flex; align-items: baseline; gap: 12px; padding: 8px 0; border: 0; color: rgba(255,255,255,.68); background: none; text-align: left; cursor: pointer; transition: color .2s ease, transform .2s ease; }
.program-chip strong { min-width: 76px; font-size: 13px; }
.program-chip span { font-size: 11px; line-height: 1.5; }
.program-chip:hover, .program-chip.is-active { color: var(--yellow); transform: translateX(7px); }
.audience-secondary { opacity: .62; }
.audience-secondary:hover { opacity: 1; }

.impact { background: var(--page); }
.impact-top { display: grid; grid-template-columns: 1fr 4fr; gap: 5vw; margin-bottom: 86px; }
.impact-top h2 { max-width: 1000px; margin: 0; font-family: var(--serif); font-size: clamp(38px, 4.2vw, 67px); line-height: 1.3; letter-spacing: -.035em; }
.impact-grid { display: grid; grid-template-columns: 1.05fr 1fr 1fr; grid-template-rows: minmax(280px, auto) minmax(180px, auto); gap: 1px; background: #bdc8d1; }
.impact-grid > * { background: var(--white); }
.impact-statement { grid-row: span 2; min-height: 560px; padding: 48px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.impact-kicker { margin-bottom: 28px; color: var(--blue); font-size: 9px; letter-spacing: .18em; }
.impact-statement h3 { max-width: 500px; margin: 0 0 26px; font-family: var(--serif); font-size: clamp(27px,2.6vw,42px); line-height: 1.45; }
.impact-statement p { max-width: 500px; margin: 0 0 34px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.metric { min-height: 145px; padding: 28px 34px; position: relative; display: grid; grid-template-columns: 120px 1fr; gap: 32px; align-items: center; border-left: 4px solid var(--yellow); }
.metric strong { font-size: 68px; line-height: 1; letter-spacing: -.08em; font-weight: 500; }
.metric-number { display: flex; align-items: flex-end; gap: 9px; color: var(--navy); }
.metric-number small { margin-bottom: 7px; font-size: 13px; font-weight: 500; }
.metric-copy { padding-left: 28px; border-left: 1px solid var(--line); }
.metric-copy h3 { margin: 0 0 12px; font-family: var(--serif); font-size: 19px; }
.metric p { margin: 0; max-width: none; color: var(--muted); font-size: 12px; line-height: 1.7; }
.support-card { min-height: 380px; position: relative; overflow: hidden; color: var(--white); background: var(--navy); }
.support-card-media { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.02); transition: transform .9s cubic-bezier(.2,.75,.25,1), filter .45s ease; }
.support-interview .support-card-media { background-image: linear-gradient(180deg, rgba(3,24,47,.05), rgba(3,24,47,.82)), url("往期学生/服务与支持/摄图网_379867429_在线视频会议商务通话或聊天(非企业商用).jpg"); background-position: 58% 45%; }
.support-visa .support-card-media { background-image: linear-gradient(180deg, rgba(3,24,47,.03), rgba(3,24,47,.86)), url("往期学生/服务与支持/摄图网_380976377_美国移民申请与领事签证面试(非企业商用).jpg"); background-position: 52% 52%; }
.support-card-copy { position: relative; z-index: 1; min-height: 100%; padding: 32px; display: flex; flex-direction: column; justify-content: space-between; gap: 150px; }
.support-card .metric-number { width: fit-content; padding: 14px 18px 12px; color: var(--white); background: rgba(2,24,47,.72); border-left: 4px solid var(--yellow); backdrop-filter: blur(8px); }
.support-card .metric-number strong { font-size: 92px; line-height: .82; }
.support-card .metric-number small { margin-bottom: 4px; color: var(--yellow); font-size: 16px; }
.support-card h3 { margin: 0 0 12px; font-family: var(--serif); font-size: 24px; }
.support-card p { margin: 0; color: rgba(255,255,255,.78); font-size: 13px; line-height: 1.7; }
.support-card:hover .support-card-media { transform: scale(1.08); filter: saturate(1.06); }
.support-promise { grid-column: span 2; min-height: 180px; padding: 36px 42px; display: flex; align-items: center; color: var(--navy); background: var(--yellow); font-family: var(--serif); font-size: clamp(28px, 3vw, 45px); line-height: 1.45; }
.support-promise span { max-width: 780px; }

.story-carousel { position: relative; height: 760px; overflow: hidden; background: var(--navy); }
.story { display: grid; grid-template-columns: 1.2fr 1fr; min-height: 720px; background: var(--navy); }
.story-slide { position: absolute; inset: 0; min-height: 760px; opacity: 0; visibility: hidden; transform: translateX(4%); transition: opacity .7s ease, transform .8s cubic-bezier(.2,.75,.25,1), visibility .7s; }
.story-slide.is-active { opacity: 1; visibility: visible; transform: translateX(0); }
.story-image { background-image: url("往期学生/往期学生2.jpg"); background-position: 55% 58%; background-repeat: no-repeat; background-size: cover; }
.story-content { padding: 90px 6vw; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; color: var(--white); }
.story blockquote { margin: 70px 0 38px; font-family: var(--serif); font-size: clamp(34px, 3.4vw, 58px); line-height: 1.45; letter-spacing: -.03em; }
.story-content > p { margin: 0 0 55px; color: rgba(255,255,255,.55); font-size: 12px; }
.story-secondary { grid-template-columns: 1fr .86fr; background: var(--navy-deep); }
.story-reverse .story-image { order: 2; }
.story-reverse .story-content { order: 1; }
.story-image-church { background-image: url("往期学生/单独/往期学生1_副本.jpg"); background-position: 50% 58%; background-size: cover; }
.story-secondary blockquote { margin-top: 58px; max-width: 760px; font-size: clamp(25px, 2.25vw, 40px); line-height: 1.7; }
.story-third { grid-template-columns: 1fr .86fr; background: #071d34; }
.story-image-doorway { background-image: url("往期学生/单独/单独3.jpg"); background-position: 50% 52%; background-size: cover; }
.story-third blockquote { max-width: 680px; }
.story-fourth { grid-template-columns: 1fr .86fr; background: #062343; }
.story-image-worklife { background-image: url("往期学生/单独/单独4.jpg"); background-position: 50% 46%; background-size: cover; }
.story-fourth blockquote { max-width: 760px; font-size: clamp(27px, 2.55vw, 45px); line-height: 1.58; }
.story-controls { position: absolute; z-index: 5; right: 4vw; bottom: 30px; display: flex; align-items: center; gap: 15px; color: var(--white); }
.story-arrow { width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.35); color: var(--white); background: rgba(3,31,60,.3); font-size: 18px; cursor: pointer; transition: color .25s ease, background-color .25s ease, border-color .25s ease; }
.story-arrow:hover, .story-arrow:focus-visible { color: var(--navy); border-color: var(--yellow); background: var(--yellow); }
.story-progress { display: flex; align-items: center; gap: 7px; }
.story-progress button { width: 24px; height: 3px; padding: 0; border: 0; background: rgba(255,255,255,.35); cursor: pointer; transition: width .3s ease, background-color .3s ease; }
.story-progress button.is-active { width: 48px; background: var(--yellow); }
.story-counter { min-width: 54px; font-size: 10px; letter-spacing: .12em; }
.story-counter b { color: var(--yellow); font-size: 13px; }
.student-gallery { padding: 110px 0 130px; color: var(--white); background: var(--navy); }
.student-gallery-head { margin-bottom: 55px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 8vw; align-items: end; border-top: 1px solid rgba(255,255,255,.2); padding-top: 38px; }
.student-gallery-head, .gallery-hint { margin-left: 6vw; margin-right: 6vw; }
.student-gallery-head span { color: var(--yellow); font-size: 10px; letter-spacing: .17em; }
.student-gallery-head h2 { max-width: 720px; margin: 24px 0 0; font-family: var(--serif); font-size: clamp(38px, 4.5vw, 68px); line-height: 1.3; letter-spacing: -.04em; }
.student-gallery-head p { max-width: 450px; margin: 0; color: rgba(255,255,255,.6); font-size: 13px; line-height: 1.9; }
.student-photo-wall { height: 620px; padding: 0 6vw 20px; display: grid; grid-auto-flow: column dense; grid-auto-columns: minmax(142px, 10vw); grid-template-rows: repeat(3, minmax(0, 1fr)); gap: 7px; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x proximity; scrollbar-color: var(--yellow) rgba(255,255,255,.12); scrollbar-width: thin; }
.student-photo-wall::-webkit-scrollbar { height: 8px; }
.student-photo-wall::-webkit-scrollbar-track { background: rgba(255,255,255,.12); }
.student-photo-wall::-webkit-scrollbar-thumb { background: var(--yellow); }
.student-photo-wall .fragment { min-width: 0; min-height: 0; padding: 0; position: relative; z-index: 1; overflow: hidden; background: var(--deep); border: 0; cursor: zoom-in; scroll-snap-align: center; transition: z-index 0s, transform .35s cubic-bezier(.2,.75,.25,1), box-shadow .35s ease; }
.student-photo-wall .fragment-wide { grid-column: span 2; }
.student-photo-wall .fragment-tall { grid-row: span 2; }
.student-photo-wall .fragment-feature { grid-column: span 2; grid-row: span 2; }
.student-photo-wall img { width: 100%; height: 100%; display: block; object-fit: cover; filter: saturate(.72) brightness(.7); transform: scale(1.02); transition: filter .35s ease, transform .55s cubic-bezier(.2,.75,.25,1); }
.student-photo-wall .gallery-collage img { object-position: center top; }
.student-photo-wall .focus-center img { object-position: center center; }
.student-photo-wall .focus-bottom img { object-position: center 72%; }
.student-photo-wall .focus-top img { object-position: center 24%; }
.student-photo-wall .focus-workteam img { object-position: 48% 24%; }
.student-photo-wall .focus-glacier img { object-position: 42% 48%; }
.student-photo-wall .focus-sunset img { object-position: 52% 56%; }
.student-photo-wall .focus-hollywood img { object-position: 50% 46%; }
.student-photo-wall:hover .fragment:not(:hover) img { filter: saturate(.45) brightness(.48); }
.student-photo-wall .fragment:hover,.student-photo-wall .fragment:focus-visible { z-index: 5; transform: scale(1.08); box-shadow: 0 18px 40px rgba(0,0,0,.42); outline: 2px solid var(--yellow); outline-offset: -2px; }
.student-photo-wall .fragment:hover img,.student-photo-wall .fragment:focus-visible img { filter: saturate(1) brightness(1); transform: scale(1.06); }
.gallery-hint { margin-top: 18px; color: rgba(255,255,255,.42); font-size: 10px; letter-spacing: .08em; text-align: right; }
.student-lightbox { position: fixed; z-index: 200; inset: 0; padding: 34px 6vw; display: flex; align-items: center; justify-content: center; color: var(--white); background: rgba(2,21,42,.96); backdrop-filter: blur(12px); opacity: 0; visibility: hidden; transition: opacity .35s ease,visibility .35s ease; }
.student-lightbox.is-open { opacity: 1; visibility: visible; }
.student-lightbox figure { width: min(1120px,80vw); height: min(82vh,850px); margin: 0; display: grid; grid-template-rows: 1fr auto; gap: 18px; }
.student-lightbox figure img { width: 100%; height: 100%; min-height: 0; display: block; object-fit: contain; transform: scale(.96); transition: transform .45s cubic-bezier(.2,.75,.25,1); }
.student-lightbox.is-open figure img { transform: scale(1); }
.student-lightbox figcaption { display: flex; gap: 8px; align-items: baseline; color: rgba(255,255,255,.4); font-size: 10px; }
.student-lightbox figcaption strong { color: var(--yellow); font-size: 17px; }
.lightbox-close,.lightbox-nav { position: absolute; color: var(--white); background: transparent; border: 1px solid rgba(255,255,255,.3); cursor: pointer; transition: color .25s ease,background .25s ease,border-color .25s ease; }
.lightbox-close:hover,.lightbox-nav:hover,.lightbox-close:focus-visible,.lightbox-nav:focus-visible { color: var(--navy); background: var(--yellow); border-color: var(--yellow); }
.lightbox-close { width: 44px; height: 44px; top: 25px; right: 28px; font-size: 24px; }
.lightbox-nav { width: 48px; height: 48px; top: 50%; transform: translateY(-50%); font-size: 17px; }
.lightbox-prev { left: 28px; }.lightbox-next { right: 28px; }.lightbox-open { overflow: hidden; }

.partner { display: grid; grid-template-columns: 2.1fr 1fr; gap: 10vw; background: var(--white); }
.partner h2 { max-width: 900px; margin: 70px 0 0; font-family: var(--serif); font-size: clamp(43px, 5vw, 74px); line-height: 1.25; letter-spacing: -.04em; }
.partner-side { align-self: end; padding-top: 40px; border-top: 1px solid var(--line); }
.partner-side p { margin: 0 0 36px; color: var(--muted); line-height: 1.8; }

.site-footer { padding: 75px 6vw 25px; color: var(--white); background: var(--navy-deep); }
.footer-brand { display: flex; align-items: baseline; justify-content: space-between; padding-bottom: 65px; border-bottom: 1px solid rgba(255,255,255,.18); }
.footer-brand strong { font-size: clamp(62px, 12vw, 190px); letter-spacing: -.09em; line-height: .8; }
.footer-brand p { margin: 0; color: rgba(255,255,255,.55); font-size: 12px; }
.footer-links { display: grid; grid-template-columns: repeat(2, 180px); justify-content: end; gap: 40px; padding: 50px 0; }
.footer-links div { display: grid; gap: 13px; }
.footer-links strong { margin-bottom: 9px; color: rgba(255,255,255,.45); font-size: 11px; letter-spacing: .12em; }
.footer-links a { font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.38); font-size: 10px; }

.reveal { opacity: 0; transform: translateY(45px); transition: opacity .85s ease, transform .85s cubic-bezier(.2,.75,.25,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay { transition-delay: .12s; }
.text-reveal { overflow: hidden; }
.text-reveal .text-reveal-inner { display: block; opacity: 0; transform: translateY(105%); transition: opacity .75s ease, transform .9s cubic-bezier(.2,.75,.25,1); }
.text-reveal.is-text-visible .text-reveal-inner { opacity: 1; transform: translateY(0); }
.metric { transition: transform .3s ease, background .3s ease; }
.metric:hover { transform: translateY(-8px); }
.story-image { transition: background-size 1.2s ease; }
.story:hover .story-image { background-size: auto 106%; }

@keyframes lineGrow { to { width: 84px; } }
@keyframes scrollLine { 0% { transform: translateY(0); } 100% { transform: translateY(70px); } }
@keyframes heroTextReveal { to { opacity: 1; transform: translateY(0); } }
@keyframes employerMarquee { to { transform: translateX(-50%); } }
@keyframes employerMarqueeReverse { from { transform: translateX(-50%); } to { transform: translateX(0); } }

@media (max-width: 1050px) {
  .site-header { height: 76px; }
  .menu-toggle { order: 3; display: grid; gap: 6px; width: 42px; height: 42px; align-content: center; justify-content: center; border: 0; background: var(--navy); }
  .menu-toggle span:not(.sr-only) { display: block; width: 18px; height: 1px; background: var(--white); }
  .header-actions { margin-left: auto; }
  .main-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; padding: 25px 5vw; color: var(--navy); background: var(--white); box-shadow: 0 18px 35px rgba(0,0,0,.12); }
  .main-nav.open { display: grid; }
  .main-nav a { padding: 10px 0; }
  .hero { min-height: 100vh; }
  .hero-panel { min-height: 100vh; }
}

@media (max-width: 760px) {
  .site-header { padding: 0 14px; gap: 9px; }
  .brand { min-width: 0; }
  .brand-mark { width: 45px; height: 50px; }
  .brand-mark img { width: 50px; height: 50px; left: -3px; top: 0; }
  .brand-name strong { font-size: 14px; }
  .brand-name small { display: none; }
  .header-actions { margin-left: auto; gap: 0; }
  .header-actions .button, .header-actions .language-switch { display: none; }
  .menu-toggle { order: 0; flex: 0 0 40px; width: 40px; height: 40px; margin-left: auto; }
  .site-header.is-over-hero .menu-toggle { background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.35); }
  .hero { min-height: 100vh; }
  .hero-media { inset: 0; opacity: 1; }
  .hero-media::after { background: linear-gradient(0deg, var(--navy) 0%, rgba(6,40,77,.56) 70%, rgba(6,40,77,.28)); }
  .hero-panel { width: 100%; min-height: 100vh; justify-content: end; padding: 130px 20px 90px; }
  .hero h1 { max-width: 100%; font-size: 42px; overflow-wrap: normal; word-break: keep-all; }
  .hero-title-animated span { white-space: normal; }
  .hero p { width: min(315px, calc(100vw - 48px)); max-width: 100%; font-size: 14px; overflow-wrap: anywhere; word-break: break-all; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 22px; }
  .hero-index { display: none; }
  .scroll-cue { display: none; }
  .section-pad { padding: 78px 20px; }
  .mission, .programs, .impact-top, .partner { grid-template-columns: 1fr; }
  .mission-copy h2, .programs-heading h2, .impact-top h2, .partner h2 { margin-top: 45px; font-size: 38px; }
  .mission-detail { grid-template-columns: 1fr; gap: 35px; margin-top: 45px; }
  .mission-detail .text-link { justify-self: start; }
  .about-principles { grid-template-columns: 1fr; }
  .about-principles li { min-height: auto; }
  .about-facts { margin-top: 50px; grid-template-columns: 1fr 1fr; }
  .about-facts div:nth-child(2) { border-right: 0; }
  .about-facts div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .founder-profile { margin-top: 60px; grid-template-columns: 1fr; }
  .founder-media { grid-template-rows: auto auto; }
  .founder-photo { min-height: 380px; }
  .founder-socials a, .founder-socials button { min-height: 68px; padding: 0 14px; }
  .social-qr-card { padding: 32px 22px 24px; }
  .founder-copy { padding: 38px 25px; }
  .partner-showcase { padding: 75px 0 80px; }
  .partner-showcase-head { padding: 0 20px 55px; grid-template-columns: 1fr; gap: 30px; }
  .partner-showcase h2 { font-size: 38px; }
  .foundation-block { padding: 0 20px 65px; }
  .showcase-row-label small { display: none; }
  .foundation-grid { grid-template-columns: 1fr 1fr; }
  .logo-card { min-height: 170px; }
  .logo-card:nth-child(odd) { border-left: 1px solid rgba(255,255,255,.17); }
  .employer-block .showcase-row-label { margin: 0 20px; }
  .employer-logo { width: 220px; min-height: 175px; }
  .programs { padding-top: 78px; }
  .programs-heading { padding-right: 0; }
  .program-image { position: relative; width: calc(100% + 40px); height: 250px; margin: 45px -20px 0; grid-row: 2; }
  .program-list { margin-top: 30px; }
  .audience-list { margin-top: 30px; }
  .impact-top { margin-bottom: 50px; }
  .impact-grid { display: grid; grid-template-columns: 1fr; grid-template-rows: auto; }
  .impact-statement { grid-column: auto; grid-row: auto; min-height: auto; padding: 34px 25px; }
  .impact-statement h3 { font-size: 29px; }
  .metric { min-height: 150px; padding: 24px 22px; grid-template-columns: 80px 1fr; gap: 16px; }
  .metric strong { font-size: 58px; }
  .metric-copy { padding-left: 16px; }
  .support-card { min-height: 360px; }
  .support-card-copy { padding: 26px 22px; gap: 120px; }
  .support-card .metric-number strong { font-size: 72px; }
  .support-promise { grid-column: auto; min-height: 180px; padding: 30px 24px; font-size: 25px; }
  .story-carousel { height: 900px; }
  .story { grid-template-columns: 1fr; }
  .story-slide { min-height: 900px; grid-template-rows: 440px 1fr; }
  .story-image { min-height: 440px; }
  .story-content { padding: 70px 20px; }
  .story blockquote { margin-top: 48px; font-size: 34px; }
  .story-secondary { grid-template-columns: 1fr; }
  .story-third { grid-template-columns: 1fr; }
  .story-fourth { grid-template-columns: 1fr; }
  .story-image-worklife { background-position: 50% 42%; }
  .story-reverse .story-image { order: 1; min-height: 440px; }
  .story-reverse .story-content { order: 2; }
  .story-secondary blockquote { margin-top: 32px; font-size: 22px; line-height: 1.6; }
  .story-controls { right: 20px; bottom: 20px; }
  .story-progress { display: none; }
  .student-gallery { padding: 70px 0 85px; }
  .student-gallery-head, .gallery-hint { margin-left: 20px; margin-right: 20px; }
  .student-gallery-head { grid-template-columns: 1fr; gap: 25px; margin-bottom: 35px; }
  .student-gallery-head h2 { font-size: 38px; }
  .student-photo-wall { height: 460px; padding: 0 20px 18px; grid-auto-columns: minmax(112px, 34vw); grid-template-rows: repeat(3, minmax(0, 1fr)); gap: 4px; }
  .student-photo-wall .fragment:hover { transform: scale(1.025); }
  .student-lightbox { padding: 70px 14px 25px; }
  .student-lightbox figure { width: 100%; height: 76vh; }
  .lightbox-close { top: 15px; right: 15px; }
  .lightbox-nav { width: 40px; height: 40px; top: auto; bottom: 18px; z-index: 2; background: rgba(3,28,56,.65); }
  .lightbox-prev { left: 15px; }.lightbox-next { right: 15px; }
  .partner { gap: 60px; }
  .footer-brand { display: grid; gap: 35px; }
  .footer-brand strong { font-size: 65px; }
  .footer-links { justify-content: start; grid-template-columns: repeat(2, 1fr); }
  .mobile-language-switch { display: block; margin-top: 10px; padding: 18px 0 0; border: 0; border-top: 1px solid var(--line); color: var(--blue); background: none; text-align: left; font-size: 12px; font-weight: 600; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
  .hero-title-animated span, .hero-panel > p, .hero-actions { opacity: 1; transform: none; animation: none; }
  .employer-track { animation: none; }
}