:root {
      --ink: #161615;
      --ink-soft: #2a2926;
      --paper: #f3f0e8;
      --white: #fffdf8;
      --muted: #7a7770;
      --line: rgba(21,21,20,.15);
      --red: #a51f32;
      --red-dark: #761422;
      --gold: #b5965a;
      --max: 1320px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0; color: var(--ink); background: var(--paper);
      font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
      -webkit-font-smoothing: antialiased;
    }
    body.menu-open, body.modal-open { overflow: hidden; }
    a { color: inherit; text-decoration: none; }
    button, input, textarea, select { font: inherit; }
    button { cursor: pointer; }
    .container { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }
    .eyebrow { display: flex; align-items: center; gap: 12px; font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
    .section-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 24px; margin-bottom: 42px; }
    .section-title { margin: 10px 0 0; font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif; font-size: clamp(24px, 2.4vw, 32px); line-height: 1.28; letter-spacing: -.015em; font-weight: 700; }
    .section-note { max-width: 440px; color: var(--muted); line-height: 1.8; font-size: 14px; }
    .section-link { display: inline-flex; align-items: center; gap: 10px; padding-bottom: 5px; border-bottom: 1px solid currentColor; font-weight: 700; font-size: 13px; }
    .section-link::after { content: "↗"; font-size: 16px; }
    .utility { height: 34px; color: #d5d0c5; background: #0d0d0c; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 11px; letter-spacing: .06em; }
    .utility .container { height: 100%; display: flex; align-items: center; justify-content: space-between; }
    .utility-links { display: flex; gap: 24px; }
    .utility a:hover { color: #fff; }
    .site-header { position: sticky; z-index: 50; top: 0; height: 82px; color: #fff; background: rgba(21,21,20,.94); border-bottom: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(12px); }
    .site-header .container { height: 100%; display: flex; align-items: center; justify-content: space-between; }
    .brand { display: flex; align-items: center; gap: 14px; min-width: 226px; }
    .brand-seal { width: 42px; height: 42px; display: grid; place-items: center; color: #fff; background: var(--red); font-family: "Noto Serif SC", "Songti SC", serif; font-weight: 800; font-size: 20px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.25); }
    .brand-cn { display: block; font-family: "Noto Serif SC", "Songti SC", serif; font-weight: 800; font-size: 19px; letter-spacing: .12em; white-space: nowrap; }
    .brand-en { display: block; margin-top: 3px; color: #a9a49a; font-size: 8px; letter-spacing: .18em; }
    .main-nav { display: flex; height: 100%; align-items: center; gap: clamp(18px, 2.2vw, 38px); }
    .main-nav a { height: 100%; display: flex; align-items: center; position: relative; font-size: 13px; }
    .main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 3px; background: var(--red); transition: right .25s ease; }
    .main-nav a:hover::after, .main-nav a.active::after { right: 0; }
    .header-cta { border: 0; padding: 12px 18px; color: #fff; background: var(--red); font-weight: 700; font-size: 12px; letter-spacing: .08em; }
    .header-cta:hover { background: #b8243a; }
    .menu-btn { display: none; width: 44px; height: 44px; color: #fff; background: transparent; border: 1px solid rgba(255,255,255,.3); }
    .hero { position: relative; min-height: 590px; color: #fff; overflow: hidden; background: #171715; }
    .hero::before { content: ""; position: absolute; inset: 0; opacity: .65; background: radial-gradient(circle at 78% 42%, rgba(165,31,50,.32), transparent 23%), linear-gradient(120deg, transparent 53%, rgba(181,150,90,.07) 53%, rgba(181,150,90,.07) 53.2%, transparent 53.2%); }
    .hero::after { content: "MEDIA"; position: absolute; right: -30px; top: 70px; color: rgba(255,255,255,.025); font-family: Georgia, serif; font-size: clamp(110px, 15vw, 220px); font-weight: 900; letter-spacing: -.06em; line-height: 1; }
    .hero-grid { position: relative; z-index: 2; min-height: 590px; display: grid; grid-template-columns: 1.45fr .55fr; }
    .hero-main { display: flex; flex-direction: column; justify-content: center; padding: 72px 8vw 72px 0; border-right: 1px solid rgba(255,255,255,.13); }
    .hero-kicker { color: #d2c8b6; }
    .hero-title { max-width: 680px; margin: 22px 0 20px; font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif; font-size: clamp(32px, 3.4vw, 44px); line-height: 1.3; letter-spacing: -.025em; font-weight: 800; }
    .hero-title em { color: #c42b43; font-style: normal; }
    .hero-copy { max-width: 640px; color: #bbb6ac; font-size: 15px; line-height: 1.9; }
    .hero-actions { display: flex; gap: 12px; margin-top: 40px; }
    .btn-primary, .btn-secondary { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 0 22px; border: 1px solid transparent; font-size: 13px; font-weight: 700; letter-spacing: .06em; }
    .btn-primary { color: #fff; background: var(--red); }
    .btn-primary:hover { background: #b8243a; }
    .btn-secondary { color: #fff; border-color: rgba(255,255,255,.4); background: transparent; }
    .btn-secondary:hover { border-color: #fff; }
    .hero-side { display: flex; flex-direction: column; justify-content: flex-end; padding: 48px 0 72px 42px; }
    .hero-side-label { color: #8f8a81; font-size: 10px; letter-spacing: .2em; text-transform: uppercase; }
    .hero-side h2 { margin: 14px 0 10px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 23px; }
    .hero-side p { color: #aaa59c; font-size: 13px; line-height: 1.8; }
    .hero-side-list { margin: 28px 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.15); }
    .hero-side-list li { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 13px; }
    .hero-side-list span { color: #8f8a81; font-size: 10px; }
    .ticker { color: #fff; background: var(--red); overflow: hidden; }
    .ticker .container { min-height: 54px; display: grid; grid-template-columns: 150px 1fr auto; align-items: center; gap: 22px; }
    .ticker-label { font-weight: 800; font-size: 12px; letter-spacing: .12em; }
    .ticker-copy { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 14px; }
    .ticker-time { color: rgba(255,255,255,.7); font-size: 11px; }
    .services { padding: 112px 0; }
    .service-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
    .service-card { min-height: 326px; position: relative; padding: 30px 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .3s, color .3s, transform .3s; overflow: hidden; }
    .service-card::after { content: attr(data-num); position: absolute; right: 18px; bottom: -10px; color: rgba(21,21,20,.04); font-family: Georgia, serif; font-size: 76px; font-weight: 700; }
    .service-card:hover { z-index: 2; color: #fff; background: var(--ink); transform: translateY(-7px); }
    .service-card:hover .service-desc, .service-card:hover .service-meta { color: #aaa59c; }
    .service-icon { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid currentColor; font-size: 18px; }
    .service-card h3 { margin: 72px 0 15px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 24px; }
    .service-desc { color: var(--muted); line-height: 1.8; font-size: 13px; }
    .service-meta { position: absolute; left: 28px; bottom: 28px; color: var(--muted); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
    .ad-center { padding: 108px 0; color: #fff; background: var(--ink); }
    .ad-center .section-note { color: #aaa59c; }
    .ad-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 16px; }
    .ad-card { min-height: 330px; position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: 32px; background: #22221f; border: 1px solid rgba(255,255,255,.11); overflow: hidden; }
    .ad-card.featured { grid-row: span 2; min-height: 676px; background: linear-gradient(150deg, #302820, #161615); }
    .ad-card.featured::after { content: "传播"; position: absolute; right: -20px; bottom: -30px; color: rgba(255,255,255,.035); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 120px; font-weight: 900; }
    .ad-type { color: var(--gold); font-size: 10px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
    .ad-card h3 { margin: 14px 0; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 27px; }
    .ad-card.featured h3 { max-width: 420px; margin-top: 45px; font-size: clamp(24px, 2.5vw, 32px); line-height: 1.4; }
    .ad-card p { color: #9f9a90; font-size: 13px; line-height: 1.8; }
    .ad-bottom { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: end; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); }
    .ad-price { font-family: "Noto Serif SC", "Songti SC", serif; font-size: 24px; }
    .ad-price small { color: #8f8a81; font-family: sans-serif; font-size: 10px; font-weight: 400; }
    .round-action { width: 42px; height: 42px; color: #fff; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; background: transparent; transition: .2s; }
    .round-action:hover { border-color: var(--red); background: var(--red); transform: rotate(45deg); }
    .cases { padding: 112px 0; background: var(--white); }
    .case-list { border-top: 1px solid var(--line); }
    .case-item { display: grid; grid-template-columns: 70px 1.3fr .8fr auto; align-items: center; gap: 28px; min-height: 126px; border-bottom: 1px solid var(--line); transition: padding .25s, background .25s; }
    .case-item:hover { padding: 0 20px; background: var(--paper); }
    .case-num { color: var(--red); font-family: Georgia, serif; font-size: 14px; }
    .case-title { font-family: "Noto Serif SC", "Songti SC", serif; font-size: clamp(21px, 2.2vw, 30px); font-weight: 700; }
    .case-tags { color: var(--muted); font-size: 12px; line-height: 1.8; }
    .case-arrow { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; }
    .media-network { padding: 108px 0; }
    .network-wrap { display: grid; grid-template-columns: .5fr 1.5fr; gap: 40px; align-items: start; }
    .network-copy { position: sticky; top: 130px; }
    .network-copy .eyebrow { font-size: 9px; }
    .network-copy .section-title { font-size: clamp(20px, 1.8vw, 24px); }
    .network-copy p { color: var(--muted); line-height: 1.8; font-size: 12px; }
    .legal-note { margin-top: 24px; padding: 18px; border-left: 3px solid var(--red); color: #6d6962; background: rgba(255,255,255,.52); font-size: 12px; line-height: 1.8; }
    .platform-grid { display: grid; grid-template-columns: repeat(8, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
    .platform { min-width: 0; min-height: 46px; display: flex; align-items: center; justify-content: space-between; gap: 6px; padding: 8px 10px; background: rgba(255,255,255,.24); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: .2s; }
    .platform:hover { color: #fff; background: var(--red); }
    .platform b { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 12px; line-height: 1.3; }
    .platform span { flex: 0 0 auto; color: var(--red); font-size: 9px; }
    .platform:hover span { color: #fff; }
    .insights { padding: 110px 0; background: #e8e3da; }
    .insight-grid { display: grid; grid-template-columns: 1.25fr .75fr .75fr; gap: 18px; }
    .insight-card { min-height: 410px; display: flex; flex-direction: column; justify-content: space-between; padding: 30px; color: #fff; background: var(--ink-soft); }
    .insight-card:first-child { background: var(--red-dark); }
    .insight-card:nth-child(3) { color: var(--ink); background: var(--white); }
    .insight-tag { display: flex; justify-content: space-between; font-size: 10px; letter-spacing: .12em; }
    .insight-card h3 { margin: auto 0 24px; font-family: "Noto Serif SC", "Songti SC", serif; font-size: clamp(22px, 2.2vw, 30px); line-height: 1.45; }
    .insight-card p { margin: 0; color: rgba(255,255,255,.62); font-size: 12px; line-height: 1.8; }
    .insight-card:nth-child(3) p { color: var(--muted); }
    .contact-band { padding: 78px 0; color: #fff; background: var(--red); }
    .contact-band .container { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; }
    .contact-band h2 { margin: 0; font-family: "Noto Serif SC", "Songti SC", serif; font-size: clamp(24px, 2.5vw, 32px); }
    .contact-band p { margin: 12px 0 0; color: rgba(255,255,255,.75); font-size: 13px; }
    .contact-band .btn-secondary { min-width: 170px; }
    .footer { padding: 70px 0 30px; color: #bbb6ad; background: #0e0e0d; }
    .footer-grid { display: grid; grid-template-columns: 1.25fr .75fr .75fr 1fr; gap: 50px; }
    .footer .brand { color: #fff; }
    .footer-intro { max-width: 360px; margin-top: 24px; color: #817d75; font-size: 12px; line-height: 1.9; }
    .footer h4 { margin: 6px 0 20px; color: #fff; font-size: 12px; letter-spacing: .12em; }
    .footer ul { margin: 0; padding: 0; list-style: none; }
    .footer li { margin: 12px 0; font-size: 12px; }
    .footer a:hover { color: #fff; }
    .footer-contact { font-size: 12px; line-height: 2; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 60px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); color: #625f59; font-size: 10px; }
    .modal { position: fixed; z-index: 100; inset: 0; display: none; place-items: center; padding: 20px; background: rgba(0,0,0,.78); }
    .modal.open { display: grid; }
    .modal-panel { width: min(100%, 680px); max-height: 90vh; overflow: auto; padding: 38px; background: var(--paper); box-shadow: 0 30px 100px rgba(0,0,0,.45); }
    .modal-head { display: flex; justify-content: space-between; align-items: start; gap: 20px; margin-bottom: 30px; }
    .modal-head h2 { margin: 6px 0 0; font-family: "Noto Serif SC", "Songti SC", serif; font-size: 34px; }
    .modal-close { width: 38px; height: 38px; border: 1px solid var(--line); background: transparent; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .field { display: flex; flex-direction: column; gap: 8px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 11px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; border: 1px solid #c9c4ba; padding: 13px; background: #fff; outline: none; }
    .field textarea { min-height: 100px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--red); }
    .form-submit { width: 100%; margin-top: 18px; min-height: 50px; border: 0; color: #fff; background: var(--red); font-weight: 800; }
    .toast { position: fixed; z-index: 120; left: 50%; bottom: 30px; transform: translate(-50%, 20px); padding: 14px 22px; color: #fff; background: #111; opacity: 0; pointer-events: none; transition: .25s; font-size: 12px; }
    .toast.show { opacity: 1; transform: translate(-50%, 0); }
    .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
    .reveal.visible { opacity: 1; transform: none; }
    @media (max-width: 980px) {
      .main-nav, .header-cta { display: none; }
      .menu-btn { display: block; }
      .main-nav.open { position: fixed; top: 116px; left: 0; right: 0; height: calc(100vh - 116px); display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 28px 24px; background: var(--ink); }
      .main-nav.open a { height: auto; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.12); font-family: "Noto Serif SC", "Songti SC", serif; font-size: 22px; }
      .hero-grid { grid-template-columns: 1fr; }
      .hero-main { padding-right: 0; border-right: 0; }
      .hero-side { display: none; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .ad-grid { grid-template-columns: 1fr 1fr; }
      .ad-card.featured { grid-row: auto; grid-column: 1 / -1; min-height: 480px; }
      .case-item { grid-template-columns: 50px 1fr auto; }
      .case-tags { display: none; }
      .network-wrap { grid-template-columns: 1fr; }
      .network-copy { position: static; }
      .insight-grid { grid-template-columns: 1fr 1fr; }
      .insight-card:first-child { grid-column: 1 / -1; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 640px) {
      .container { width: min(calc(100% - 30px), var(--max)); }
      .utility { display: none; }
      .site-header { height: 72px; }
      .main-nav.open { top: 72px; height: calc(100vh - 72px); }
      .brand { min-width: 0; }
      .brand-cn { font-size: 16px; }
      .hero, .hero-grid { min-height: 560px; }
      .hero-main { padding: 58px 0; }
      .hero-title { font-size: 30px; line-height: 1.35; }
      .hero-actions { align-items: stretch; flex-direction: column; }
      .ticker .container { grid-template-columns: 92px 1fr; gap: 12px; }
      .ticker-time { display: none; }
      .section-head { grid-template-columns: 1fr; }
      .services, .cases, .media-network, .insights { padding: 78px 0; }
      .service-grid, .ad-grid, .platform-grid, .insight-grid { grid-template-columns: 1fr; }
      .service-card { min-height: 285px; }
      .ad-center { padding: 78px 0; }
      .ad-card.featured { grid-column: auto; min-height: 440px; }
      .case-item { grid-template-columns: 36px 1fr auto; gap: 12px; min-height: 110px; }
      .platform-grid { grid-template-columns: 1fr 1fr; }
      .insight-card:first-child { grid-column: auto; }
      .contact-band .container, .footer-grid { grid-template-columns: 1fr; }
      .contact-band .btn-secondary { width: 100%; }
      .footer-grid { gap: 28px; }
      .footer-bottom { flex-direction: column; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .modal-panel { padding: 25px; }
    }

    /* Light corporate theme: one brand color, no large black surfaces. */
    :root {
      --ink: #26272b;
      --ink-soft: #f2f3f5;
      --paper: #ffffff;
      --white: #ffffff;
      --muted: #70737b;
      --line: rgba(38,39,43,.13);
    }
    body { background: #fff; }
    .utility { color: #70737b; background: #f6f7f8; border-color: #e7e8ea; }
    .utility a:hover { color: var(--red); }
    .site-header { color: var(--ink); background: rgba(255,255,255,.96); border-color: #e6e7e9; box-shadow: 0 5px 24px rgba(25,28,34,.035); }
    .brand-en { color: #92949a; }
    .menu-btn { color: var(--red); border-color: rgba(165,31,50,.3); }
    .hero { color: var(--ink); background: #fff; }
    .hero::before { opacity: 1; background: radial-gradient(circle at 82% 42%, rgba(165,31,50,.09), transparent 27%), linear-gradient(120deg, transparent 53%, rgba(165,31,50,.045) 53%, rgba(165,31,50,.045) 53.2%, transparent 53.2%); }
    .hero::after { color: rgba(165,31,50,.035); }
    .hero-main { border-color: var(--line); }
    .hero-kicker { color: var(--red); }
    .hero-copy { color: #666970; }
    .hero .btn-secondary { color: var(--ink); border-color: #cfd1d5; background: #fff; }
    .hero .btn-secondary:hover { color: var(--red); border-color: var(--red); }
    .hero-side-label { color: var(--red); }
    .hero-side p { color: var(--muted); }
    .hero-side-list { border-color: var(--line); }
    .hero-side-list li { border-color: var(--line); }
    .hero-side-list span { color: var(--red); }
    .services { background: #fff; }
    .ad-center { color: var(--ink); background: #f6f7f8; }
    .ad-center .section-note { color: var(--muted); }
    .ad-center .section-link { color: var(--red) !important; }
    .ad-card { background: #fff; border-color: #dedfe2; box-shadow: 0 12px 35px rgba(25,28,34,.045); }
    .ad-card.featured { color: #fff; background: var(--red); border-color: var(--red); box-shadow: 0 16px 40px rgba(165,31,50,.18); }
    .ad-card.featured::after { color: rgba(255,255,255,.055); }
    .ad-type { color: var(--red); }
    .ad-card.featured .ad-type { color: #e0c892; }
    .ad-card p { color: var(--muted); }
    .ad-card.featured p { color: rgba(255,255,255,.75); }
    .ad-bottom { border-color: #e2e3e5; }
    .ad-card.featured .ad-bottom { border-color: rgba(255,255,255,.28); }
    .ad-price small { color: #878991; }
    .ad-card.featured .ad-price small { color: rgba(255,255,255,.7); }
    .round-action { color: var(--red); border-color: rgba(165,31,50,.35); }
    .ad-card.featured .round-action { color: #fff; border-color: rgba(255,255,255,.6); }
    .round-action:hover { color: #fff; }
    .cases { background: #fff; }
    .media-network { background: #fff; }
    .platform { background: #fff; }
    .insights { background: #f6f7f8; }
    .insight-card { color: var(--ink); background: #fff; border: 1px solid #e1e2e4; }
    .insight-card:first-child { color: #fff; background: var(--red); border-color: var(--red); }
    .insight-card:not(:first-child) p { color: var(--muted); }
    .insight-card:first-child p { color: rgba(255,255,255,.72); }
    .footer { color: #676a71; background: #fff; border-top: 1px solid #e4e5e7; }
    .footer .brand { color: var(--ink); }
    .footer-intro { color: #777a81; }
    .footer h4 { color: var(--red); }
    .footer a:hover { color: var(--red); }
    .footer-bottom { color: #96989e; border-color: #e6e7e9; }
    .modal-panel { background: #fff; }
    .contact-band .btn-secondary { color: #fff; border-color: rgba(255,255,255,.65); background: transparent; }
    .contact-band .btn-secondary:hover { border-color: #fff; }
@media (max-width: 980px) {
      .main-nav.open { color: var(--ink); background: #fff; box-shadow: 0 20px 60px rgba(25,28,34,.12); }
      .main-nav.open a { border-color: #e6e7e9; }
    }

/* Multi-page portal refinements */
.service-card:hover { color: #fff; background: var(--red); }
.service-card:hover .service-desc,
.service-card:hover .service-meta { color: rgba(255,255,255,.76); }
.service-card:hover .service-icon { border-color: rgba(255,255,255,.7); }
.main-nav a[aria-current="page"]::after { right: 0; }
.main-nav a[aria-current="page"] { color: var(--red); }
.page-main { min-height: 60vh; }
.page-hero { position: relative; padding: 86px 0 72px; overflow: hidden; background: #fff; border-bottom: 1px solid var(--line); }
.page-hero::after { content: attr(data-en); position: absolute; right: 3vw; bottom: -20px; color: rgba(165,31,50,.032); font: 800 clamp(70px,10vw,140px)/1 Georgia,serif; letter-spacing: -.045em; }
.page-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr .72fr; align-items: end; gap: 70px; }
.page-hero h1 { margin: 16px 0 0; font: 800 clamp(30px,3vw,38px)/1.28 "Noto Serif SC","Songti SC",serif; letter-spacing: -.02em; }
.page-hero p { margin: 0; color: var(--muted); font-size: 15px; line-height: 2; }
.page-section { padding: 88px 0; background: #fff; }
.page-section.soft { background: #f6f7f8; }
.breadcrumb { display: flex; gap: 8px; color: #999ba1; font-size: 11px; }
.breadcrumb a:hover { color: var(--red); }
.home-news { padding: 92px 0; background: #fff; }
.news-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; }
.news-feature { min-height: 430px; display: flex; flex-direction: column; justify-content: space-between; padding: 38px; color: #fff; background: var(--red); }
.news-feature .news-label { color: rgba(255,255,255,.72); }
.news-feature h2 { max-width: 680px; margin: auto 0 24px; font: 700 clamp(23px,2.4vw,30px)/1.55 "Noto Serif SC","Songti SC",serif; }
.news-feature p { max-width: 620px; color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.9; }
.news-label { display: flex; justify-content: space-between; gap: 20px; color: var(--red); font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.news-stack { display: grid; grid-template-rows: repeat(3,1fr); border-top: 1px solid var(--line); }
.news-row { display: grid; grid-template-columns: 88px 1fr auto; align-items: center; gap: 22px; padding: 24px 8px; border-bottom: 1px solid var(--line); transition: .22s; }
.news-row:hover { padding-left: 20px; color: var(--red); background: #faf6f7; }
.news-date { color: #999ba1; font: 700 12px/1.4 Georgia,serif; }
.news-row h3 { margin: 0; font: 700 20px/1.55 "Noto Serif SC","Songti SC",serif; }
.news-arrow { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; }
.home-services { padding: 88px 0; background: #f6f7f8; }
.home-services .service-card { background: #fff; }
.home-services .service-card:hover { background: var(--red); }
.home-cta { padding: 72px 0; color: #fff; background: var(--red); }
.home-cta .container { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; }
.home-cta h2 { margin: 0; font: 700 clamp(24px,2.5vw,32px)/1.4 "Noto Serif SC","Songti SC",serif; }
.home-cta p { margin: 10px 0 0; color: rgba(255,255,255,.72); font-size: 13px; }
.archive-layout { display: grid; grid-template-columns: 210px 1fr; gap: 60px; }
.category-nav { position: sticky; top: 125px; align-self: start; padding: 0; list-style: none; border-top: 2px solid var(--red); }
.category-nav a { display: flex; justify-content: space-between; padding: 16px 4px; border-bottom: 1px solid var(--line); font-size: 13px; }
.category-nav a:hover,.category-nav a.active { color: var(--red); }
.archive-list { border-top: 1px solid var(--line); }
.archive-item { display: grid; grid-template-columns: 118px 1fr auto; gap: 30px; align-items: center; min-height: 142px; border-bottom: 1px solid var(--line); transition: .22s; }
.archive-item:hover { padding: 0 18px; color: var(--red); background: #faf6f7; }
.archive-item time { color: #9a9ca2; font: 700 15px Georgia,serif; }
.archive-item h2 { margin: 0 0 10px; font: 700 clamp(19px,1.8vw,24px)/1.5 "Noto Serif SC","Songti SC",serif; }
.archive-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.archive-item .case-arrow { flex: 0 0 auto; }
.detail-cards { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.detail-card { min-height: 320px; padding: 32px; border: 1px solid var(--line); background: #fff; transition: .25s; }
.detail-card:hover { color: #fff; background: var(--red); border-color: var(--red); transform: translateY(-4px); }
.detail-card .index { color: var(--red); font: 700 13px Georgia,serif; }
.detail-card:hover .index { color: rgba(255,255,255,.65); }
.detail-card h2 { margin: 70px 0 18px; font: 700 25px/1.4 "Noto Serif SC","Songti SC",serif; }
.detail-card p { color: var(--muted); font-size: 13px; line-height: 1.9; }
.detail-card:hover p { color: rgba(255,255,255,.76); }
.detail-card ul { margin: 22px 0 0; padding: 18px 0 0; list-style: none; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 2; }
.detail-card:hover ul { color: rgba(255,255,255,.72); border-color: rgba(255,255,255,.3); }
.process-grid { display: grid; grid-template-columns: repeat(4,1fr); border-left: 1px solid var(--line); }
.process-step { min-height: 220px; padding: 28px; border: 1px solid var(--line); border-left: 0; background: #fff; }
.process-step b { color: var(--red); font: 700 13px Georgia,serif; }
.process-step h3 { margin: 60px 0 12px; font: 700 21px "Noto Serif SC","Songti SC",serif; }
.process-step p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.about-lead { margin: 0; font: 700 clamp(23px,2.3vw,30px)/1.65 "Noto Serif SC","Songti SC",serif; }
.about-copy { color: var(--muted); font-size: 14px; line-height: 2.1; }
.contact-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: #dedfe2; border: 1px solid #dedfe2; }
.contact-panel.single { grid-template-columns: 1fr; }
.contact-panel > div { min-height: 180px; padding: 30px; background: #fff; }
.contact-panel small { color: var(--red); font-size: 10px; letter-spacing: .12em; }
.contact-panel h3 { margin: 42px 0 0; font: 700 22px "Noto Serif SC","Songti SC",serif; }
.contact-panel h3 a { color: inherit; text-decoration: none; }
.contact-panel h3 a:hover { color: var(--red); }
@media (max-width: 1180px) {
  .platform-grid { grid-template-columns: repeat(5,1fr); }
}
@media (max-width: 980px) {
  .page-hero-grid,.news-grid,.about-grid { grid-template-columns: 1fr; gap: 28px; }
  .archive-layout { grid-template-columns: 1fr; gap: 28px; }
  .category-nav { position: static; display: flex; overflow-x: auto; border-top: 0; border-bottom: 1px solid var(--line); }
  .category-nav li { flex: 0 0 auto; }
  .category-nav a { padding: 12px 18px; border-bottom: 0; }
  .detail-cards { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .platform-grid { grid-template-columns: repeat(4,1fr); }
}
@media (max-width: 640px) {
  .page-hero { padding: 58px 0 48px; }
  .page-section,.home-news,.home-services { padding: 66px 0; }
  .news-feature { min-height: 360px; padding: 26px; }
  .news-row { grid-template-columns: 64px 1fr; }
  .news-arrow { display: none; }
  .archive-item { grid-template-columns: 1fr auto; gap: 14px; padding: 22px 0; }
  .archive-item time { grid-column: 1 / -1; }
  .process-grid,.contact-panel { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: repeat(2,1fr); }
  .home-cta .container { grid-template-columns: 1fr; }
}