:root {
      --ink: #102b43;
      --ink-deep: #0b2034;
      --muted: #607588;
      --line: #dce7ee;
      --paper: #f7fafb;
      --white: #fff;
      --coral: #f36f5d;
      --coral-dark: #db5848;
      --mint: #d8f2ec;
      --sky: #dfeef8;
      --yellow: #f8d98e;
      --radius: 16px;
      --shadow: 0 18px 50px rgba(16, 43, 67, .10);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body { margin: 0; color: var(--ink); background: var(--paper); font-family: 'Noto Sans SC', 'DM Sans', sans-serif; line-height: 1.65; }
    a { color: inherit; text-decoration: none; }
    .container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
    .topbar { background: var(--ink-deep); color: #d8e5ee; font-size: 13px; }
    .topbar-inner { height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .topbar span { display: inline-flex; align-items: center; gap: 8px; }
    header { position: sticky; top: 0; z-index: 20; background: rgba(247,250,251,.94); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(220,231,238,.8); }
    .nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 900; font-size: 20px; letter-spacing: .02em; white-space: nowrap; }
    .brand-mark { width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center; color: var(--white); background: var(--coral); }
    .brand small { display: block; color: var(--muted); font-family: 'DM Sans'; font-weight: 600; font-size: 9px; letter-spacing: .22em; margin-top: -3px; }
    .nav-links { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 500; color: #304d63; }
    .nav-links a { position: relative; padding: 26px 0 24px; }
    .nav-links a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: 17px; height: 2px; background: var(--coral); transition: .25s; }
    .nav-links a:hover::after, .nav-links a.active::after { right: 0; }
    .nav-actions { display: flex; align-items: center; gap: 10px; }
    .btn { border: 0; cursor: pointer; border-radius: 10px; min-height: 42px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-size: 14px; font-weight: 700; transition: transform .2s, background .2s, box-shadow .2s; }
    .btn:hover { transform: translateY(-2px); }
    .btn-ghost { color: var(--ink); background: transparent; border: 1px solid var(--line); }
    .btn-primary { color: var(--white); background: var(--coral); box-shadow: 0 10px 20px rgba(243,111,93,.24); }
    .btn-primary:hover { background: var(--coral-dark); }
    .menu-toggle { display: none; background: transparent; border: 0; color: var(--ink); padding: 8px; cursor: pointer; }

    .hero { position: relative; overflow: hidden; background: var(--sky); }
    .hero-inner { min-height: 610px; display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 36px; padding: 68px 0 70px; }
    .hero-copy { position: relative; z-index: 2; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #3f718b; font-size: 13px; font-weight: 700; letter-spacing: .08em; margin-bottom: 18px; }
    .eyebrow::before { content: ''; width: 24px; height: 2px; background: var(--coral); }
    h1, h2, h3, p { margin-top: 0; }
    h1 { font-size: clamp(40px, 5vw, 70px); line-height: 1.13; letter-spacing: -.04em; margin-bottom: 22px; max-width: 680px; }
    h1 em { color: var(--coral-dark); font-style: normal; }
    .hero-lead { color: #476579; max-width: 540px; font-size: 17px; margin-bottom: 30px; }
    .hero-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
    .hero-note { display: flex; align-items: center; gap: 9px; margin-top: 26px; color: #628096; font-size: 13px; }
    .hero-note i { color: #3a9a89; }
    .hero-media { position: relative; }
    .hero-photo { width: 100%; aspect-ratio: 1 / .94; object-fit: cover; border-radius: 24px; box-shadow: var(--shadow); }
    .hero-media::before { content: ''; position: absolute; width: 140px; height: 140px; border-radius: 50%; background: var(--yellow); top: -38px; right: -28px; z-index: 0; }
    .hero-media::after { content: ''; position: absolute; width: 90px; height: 90px; border-radius: 20px; background: var(--coral); bottom: -26px; left: -22px; transform: rotate(12deg); z-index: 0; }
    .hero-photo { position: relative; z-index: 1; }
    .floating-card { position: absolute; z-index: 3; right: -22px; bottom: 24px; background: var(--white); padding: 15px 17px; border-radius: 14px; box-shadow: var(--shadow); width: 190px; }
    .floating-card strong { display: block; font-size: 16px; margin-bottom: 2px; }
    .floating-card span { color: var(--muted); font-size: 12px; }
    .avatar-stack { display: flex; align-items: center; margin-bottom: 8px; }
    .avatar-stack img { width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--white); object-fit: cover; margin-left: -7px; }
    .avatar-stack img:first-child { margin-left: 0; }

    .trust-strip { background: var(--white); border-bottom: 1px solid var(--line); }
    .trust-inner { min-height: 94px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; gap: 24px; }
    .trust-item { display: flex; align-items: center; gap: 13px; }
    .trust-item i { color: var(--coral); }
    .trust-item strong { display: block; font-size: 17px; line-height: 1.1; }
    .trust-item span { display: block; color: var(--muted); font-size: 12px; margin-top: 4px; }

    section { padding: 100px 0; }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 40px; }
    .section-kicker { color: var(--coral-dark); font-family: 'DM Sans'; font-size: 12px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 12px; }
    h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.2; letter-spacing: -.035em; margin-bottom: 12px; }
    .section-head p { color: var(--muted); max-width: 500px; margin-bottom: 0; }
    .promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .promise-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; min-height: 222px; transition: transform .25s, box-shadow .25s; }
    .promise-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
    .promise-icon { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 24px; }
    .promise-card:nth-child(1) .promise-icon { background: #ffe6df; color: var(--coral-dark); }
    .promise-card:nth-child(2) .promise-icon { background: var(--mint); color: #328a7a; }
    .promise-card:nth-child(3) .promise-icon { background: #e9e5fb; color: #6b60b7; }
    .promise-card h3 { font-size: 19px; margin-bottom: 8px; }
    .promise-card p { color: var(--muted); font-size: 14px; margin-bottom: 0; }

    .team-section { background: var(--ink); color: var(--white); }
    .team-section .section-kicker { color: #9ed8ca; }
    .team-section .section-head p { color: #a9bcc9; }
    .team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .team-card { position: relative; overflow: hidden; border-radius: 14px; background: #173a53; }
    .team-card img { width: 100%; aspect-ratio: .83; display: block; object-fit: cover; opacity: .92; transition: transform .4s; }
    .team-card:hover img { transform: scale(1.05); }
    .team-card::after { content: ''; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(6,22,35,.9)); }
    .team-meta { position: absolute; z-index: 2; left: 18px; right: 18px; bottom: 17px; }
    .team-meta strong { font-size: 18px; }
    .team-meta span { display: block; color: #c1d3de; font-size: 12px; margin-top: 2px; }
    .team-badge { position: absolute; z-index: 2; top: 14px; left: 14px; padding: 5px 9px; border-radius: 999px; background: rgba(255,255,255,.18); backdrop-filter: blur(6px); color: #fff; font-size: 11px; }

    .courses { background: #eef5f7; }
    .course-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .course-card { background: var(--white); border-radius: var(--radius); padding: 24px; border: 1px solid var(--line); min-height: 254px; display: flex; flex-direction: column; }
    .course-age { color: var(--coral-dark); font-family: 'DM Sans'; font-size: 12px; font-weight: 700; letter-spacing: .12em; }
    .course-card h3 { font-size: 20px; margin: 11px 0 8px; }
    .course-card p { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
    .course-list { list-style: none; padding: 0; margin: auto 0 0; display: grid; gap: 8px; color: #456072; font-size: 12px; }
    .course-list li { display: flex; gap: 7px; align-items: center; }
    .course-list i { color: #46a38f; width: 14px; }

    .case-grid { display: grid; grid-template-columns: 1fr 1.1fr 1fr; gap: 16px; }
    .case-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
    .case-card.featured { grid-row: span 2; }
    .case-card img { width: 100%; aspect-ratio: 1.35; object-fit: cover; display: block; }
    .case-card.featured img { aspect-ratio: .97; }
    .case-content { padding: 20px 21px 22px; }
    .case-tag { display: inline-flex; padding: 5px 9px; border-radius: 999px; background: #fff0e8; color: var(--coral-dark); font-size: 11px; font-weight: 700; margin-bottom: 12px; }
    .case-content h3 { font-size: 17px; margin-bottom: 7px; }
    .case-content p { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
    .case-result { display: flex; align-items: baseline; gap: 8px; color: var(--ink); }
    .case-result strong { font-family: 'DM Sans'; font-size: 27px; color: var(--coral-dark); }
    .case-result span { color: var(--muted); font-size: 12px; }

    .faq-section { background: var(--white); }
    .faq-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 70px; align-items: start; }
    .faq-aside { position: sticky; top: 120px; }
    .faq-aside p { color: var(--muted); max-width: 300px; margin-bottom: 25px; }
    .faq-contact { display: flex; align-items: center; gap: 12px; padding-top: 20px; border-top: 1px solid var(--line); max-width: 320px; }
    .faq-contact i { color: var(--coral); }
    .faq-contact span { color: var(--muted); font-size: 12px; display: block; }
    .faq-contact strong { font-size: 15px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-question { width: 100%; border: 0; background: transparent; color: var(--ink); padding: 22px 0; display: flex; justify-content: space-between; align-items: center; cursor: pointer; text-align: left; font: inherit; font-size: 16px; font-weight: 700; }
    .faq-question i { color: var(--muted); transition: transform .25s; }
    .faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s; }
    .faq-answer > div { overflow: hidden; color: var(--muted); font-size: 14px; }
    .faq-item.open .faq-answer { grid-template-rows: 1fr; }
    .faq-item.open .faq-question i { transform: rotate(45deg); color: var(--coral); }
    .faq-item.open .faq-answer > div { padding-bottom: 22px; }

    .about { background: #fff7ed; }
    .about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 68px; align-items: center; }
    .about-image { position: relative; }
    .about-image img { width: 100%; aspect-ratio: 1.15; object-fit: cover; border-radius: 18px; box-shadow: var(--shadow); }
    .year-stamp { position: absolute; left: -18px; bottom: 24px; background: var(--ink); color: white; width: 108px; height: 108px; border-radius: 50%; display: grid; place-items: center; text-align: center; font-family: 'DM Sans'; font-size: 12px; line-height: 1.2; transform: rotate(-8deg); }
    .year-stamp strong { display: block; font-size: 28px; }
    .about-copy p { color: #637382; font-size: 15px; margin-bottom: 22px; }
    .about-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; padding-top: 18px; border-top: 1px solid #efd8bd; }
    .about-stats strong { font-family: 'DM Sans'; font-size: 26px; display: block; }
    .about-stats span { color: #8a7b69; font-size: 11px; }

    .cta { background: var(--coral); color: white; padding: 64px 0; }
    .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
    .cta h2 { margin-bottom: 8px; }
    .cta p { color: #ffe9e3; margin-bottom: 0; }
    .cta .btn { background: white; color: var(--coral-dark); }
    footer { background: var(--ink-deep); color: #a9bcc9; padding: 44px 0 30px; }
    .footer-top { display: flex; justify-content: space-between; gap: 40px; padding-bottom: 34px; border-bottom: 1px solid rgba(255,255,255,.13); }
    footer .brand { color: white; }
    footer .brand small { color: #86a1b2; }
    .footer-nav { display: flex; gap: 38px; font-size: 13px; }
    .footer-nav a:hover { color: white; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; font-size: 11px; }

    @media (max-width: 980px) {
      .nav-links { gap: 18px; }
      .hero-inner { grid-template-columns: 1fr .85fr; }
      .team-grid, .course-grid { grid-template-columns: repeat(2, 1fr); }
      .case-grid { grid-template-columns: 1fr 1fr; }
      .case-card.featured { grid-row: auto; }
      .case-card.featured img { aspect-ratio: 1.35; }
      .faq-layout, .about-layout { gap: 40px; }
    }
    @media (max-width: 760px) {
      .container { width: min(100% - 32px, 560px); }
      .topbar-inner { justify-content: center; height: 32px; }
      .topbar-inner span:last-child { display: none; }
      .nav { min-height: 66px; }
      .menu-toggle { display: block; }
      .nav-links { position: absolute; left: 16px; right: 16px; top: 64px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px; background: var(--white); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 13px 0; border-bottom: 1px solid #eef3f5; }
      .nav-links a:last-child { border-bottom: 0; }
      .nav-links a::after { display: none; }
      .nav-actions .btn-ghost { display: none; }
      .nav-actions .btn-primary { min-height: 38px; padding: 0 13px; font-size: 12px; }
      .hero-inner { grid-template-columns: 1fr; min-height: auto; padding: 52px 0 62px; gap: 42px; }
      h1 { font-size: 43px; }
      .hero-lead { font-size: 15px; }
      .hero-photo { aspect-ratio: 1.2; }
      .floating-card { right: 10px; bottom: -20px; }
      section { padding: 72px 0; }
      .section-head { display: block; margin-bottom: 28px; }
      .section-head p { margin-top: 14px; }
      .trust-inner { grid-template-columns: 1fr 1fr; gap: 18px 14px; padding: 22px 0; }
      .trust-item strong { font-size: 15px; }
      .promise-grid, .team-grid, .course-grid, .case-grid { grid-template-columns: 1fr; }
      .promise-card { min-height: auto; }
      .faq-layout, .about-layout { grid-template-columns: 1fr; }
      .faq-aside { position: static; }
      .about-layout { gap: 32px; }
      .about-image { padding-left: 12px; }
      .year-stamp { left: -4px; }
      .cta-inner, .footer-top, .footer-bottom { display: block; }
      .cta .btn { margin-top: 22px; }
      .footer-nav { margin-top: 26px; flex-wrap: wrap; gap: 18px 28px; }
      .footer-bottom span:last-child { display: block; margin-top: 9px; }
    }