:root {
  color-scheme: light;
  --navy: #152d48;
  --navy-deep: #10253d;
  --ink: #192c41;
  --muted: #5e6e7e;
  --line: #dae2e9;
  --paper: #ffffff;
  --wash: #f3f6f8;
  --accent: #247e8a;
  --accent-light: #9ed3d6;
  --notice: #6c5736;
  --notice-bg: #faf4e8;
  --reverse-muted: #b8c9d7;
  --reverse-line: #355069;
  --radius: 6px;
  font-size: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', 'PingFang SC', system-ui, sans-serif; font-size: 1rem; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 2px; }
a:hover { color: var(--accent); }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
small { font-size: .875rem; }
.wrap { width: min(1160px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: 0; left: 20px; padding: 12px 20px; background: var(--navy); color: var(--paper); transform: translateY(-150%); z-index: 20; }
.skip-link:focus { transform: translateY(0); }
.preview-bar { min-height: 34px; display: flex; align-items: center; justify-content: center; gap: 9px; padding: 5px 20px; color: var(--notice); background: var(--notice-bg); font-size: .8125rem; }
.preview-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.preview-detail { margin-left: 13px; padding-left: 20px; border-left: 1px solid currentColor; }
.site-header { position: sticky; top: 0; z-index: 10; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 13px; flex-shrink: 0; }
.brand-mark { display: grid; place-items: center; height: 44px; width: 44px; color: var(--paper); background: var(--navy); font-family: 'STSong', 'SimSun', serif; font-size: 1.8rem; line-height: 1; border-radius: 3px; }
.brand-text { font-weight: 700; font-size: 1.25rem; line-height: 1.4; letter-spacing: .08em; }
.brand-text small { display: block; font-size: .75rem; line-height: 2; font-weight: 500; letter-spacing: .06em; }
.main-nav { display: flex; align-items: center; gap: 30px; font-size: .9375rem; }
.main-nav > a { padding-block: 12px; white-space: nowrap; }
.main-nav .nav-contact { padding: 10px 20px; color: var(--paper); background: var(--navy); border-radius: 3px; }
.nav-contact span { margin-left: 13px; }
.nav-contact:hover { background: var(--accent); }
.hero { padding-block: 78px 88px; display: grid; grid-template-columns: 1.35fr 1fr; align-items: center; gap: 75px; }
.eyebrow { color: var(--accent); font-size: .875rem; font-weight: 600; letter-spacing: .09em; margin-bottom: 24px; display: flex; align-items: center; gap: 12px; }
.short-rule { height: 1px; width: 28px; background: var(--accent); }
h1 { font-size: clamp(3.1rem, 4.5vw, 4rem); line-height: 1.3; letter-spacing: -.05em; font-weight: 750; }
.accent-text { color: var(--accent); }
.hero-description { font-size: 1rem; color: var(--muted); line-height: 1.95; margin-top: 26px; }
.hero-actions { display: flex; gap: 14px; margin-top: 31px; flex-wrap: wrap; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; padding: 12px 24px; border-radius: 3px; font-size: .9375rem; font-weight: 600; transition: background-color .2s, color .2s; }
.button-primary { color: var(--paper); background: var(--navy); border: 1px solid var(--navy); }
.button-primary:hover { color: var(--paper); background: var(--accent); border-color: var(--accent); }
.button-secondary { border: 1px solid var(--line); }
.button-secondary:hover { border-color: var(--accent); }
.hero-footnote { font-size: .8125rem; color: var(--muted); margin-top: 27px; }
.hero-directory { background: var(--navy); color: var(--paper); border-radius: var(--radius); padding: 34px 36px 22px; box-shadow: 14px 14px 0 var(--wash); }
.directory-heading { display: flex; justify-content: space-between; color: var(--accent-light); font-size: .8125rem; letter-spacing: .09em; }
.serial { font-family: Consolas, monospace; font-size: .8125rem; }
.directory-title { font-size: 1.875rem; font-weight: 500; line-height: 1.5; margin: 30px 0 26px; letter-spacing: .04em; }
.directory-list { border-top: 1px solid var(--reverse-line); }
.directory-list a { display: grid; grid-template-columns: 32px 1fr 20px; align-items: center; gap: 8px; min-height: 48px; border-bottom: 1px solid var(--reverse-line); font-size: 1rem; }
.directory-list a:hover { color: var(--accent-light); }
.directory-list .serial { color: var(--reverse-muted); }
.directory-footer { display: flex; justify-content: space-between; gap: 10px; color: var(--reverse-muted); font-size: .75rem; padding-top: 20px; }
.services-section { padding-block: 76px 70px; background: var(--wash); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 36px; margin-bottom: 38px; }
.section-heading .eyebrow, .about-identity .eyebrow, .contact-copy .eyebrow { margin-bottom: 14px; }
h2 { font-size: clamp(1.8rem, 3vw, 2.375rem); line-height: 1.5; letter-spacing: -.025em; }
.section-intro { font-size: .9375rem; line-height: 1.9; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.service-card { display: flex; flex-direction: column; background: var(--paper); padding: 27px 27px 23px; border: 1px solid var(--line); border-radius: var(--radius); scroll-margin-top: 110px; transition: border-color .2s; }
.service-card:hover { border-color: var(--accent); }
.service-card:target { border-color: var(--accent); outline: 2px solid var(--accent); outline-offset: 3px; }
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 23px; }
.card-number { font-size: 1.1rem; color: var(--accent); font-family: Consolas, monospace; }
.card-category { font-size: .8125rem; color: var(--muted); }
.service-card h3 { font-size: 1.4375rem; letter-spacing: .04em; margin-bottom: 14px; }
.service-card > p:not(.service-keywords) { color: var(--muted); line-height: 1.9; flex: 1; }
.service-keywords { font-size: .8125rem; color: var(--muted); padding-top: 22px; margin-top: auto; }
.service-keywords.pending-copy { color: var(--notice); }
.text-link { display: inline-flex; align-items: center; gap: 16px; font-size: .875rem; font-weight: 600; color: var(--accent); }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.service-card .text-link { border-top: 1px solid var(--line); padding-top: 15px; margin-top: 17px; justify-content: space-between; }
.service-note { padding: 37px 28px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.note-rule { height: 3px; width: 34px; background: var(--accent); margin-bottom: 23px; }
.service-note > p { font-size: 1.625rem; line-height: 1.65; font-family: 'STSong', 'SimSun', serif; }
.service-note small { line-height: 1.9; margin-top: 19px; color: var(--muted); }
.review-note { font-size: .8125rem; color: var(--muted); margin-top: 22px; line-height: 1.8; }
.works-section { padding-block: 82px; }
.work-feature { display: grid; grid-template-columns: .9fr 1.35fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.work-theme { padding: 38px 33px 26px; background: var(--wash); display: flex; flex-direction: column; }
.theme-label { color: var(--accent); font-size: .875rem; }
.work-theme h3 { font-size: 1.875rem; line-height: 1.65; margin-top: 26px; }
.work-theme > p { color: var(--muted); line-height: 1.9; margin-top: 22px; }
.theme-bottom { margin-top: auto; padding-top: 44px; display: flex; align-items: center; justify-content: space-between; font-size: .8125rem; color: var(--muted); }
.theme-bottom > span:last-child { font-size: 1.875rem; color: var(--accent); }
.work-list { padding: 4px 31px; }
.work-item { padding: 23px 0; }
.work-item + .work-item { border-top: 1px solid var(--line); }
.work-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--muted); font-size: .75rem; }
.platform-label { color: var(--accent); font-weight: 600; font-size: .8125rem; }
.work-item h3 { font-size: 1.0625rem; font-weight: 600; line-height: 1.9; margin: 10px 0 8px; }
.work-item h3 a:hover { text-decoration: underline; text-underline-offset: 4px; }
.about-section { border-block: 1px solid var(--line); background: var(--wash); }
.about-inner { display: grid; grid-template-columns: 1fr 1.3fr; gap: 80px; padding-block: 60px; }
.about-identity h2 { font-size: 2.5rem; letter-spacing: .04em; }
.about-signature { font-size: .9375rem; color: var(--muted); margin-top: 13px; }
.about-copy { padding-top: 7px; color: var(--muted); line-height: 2; }
.about-copy > p + p { margin-top: 16px; }
.contact-section { display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; gap: 80px; padding-block: 80px 90px; }
.contact-copy h2 { font-size: clamp(2.2rem, 4vw, 3.25rem); line-height: 1.45; }
.contact-copy > p:not(.eyebrow) { margin-top: 23px; color: var(--muted); }
.contact-status { display: inline-flex; align-items: center; gap: 9px; font-size: .875rem; color: var(--notice); margin-top: 28px; }
.contact-card { border: 1px solid var(--line); padding: 28px; background: var(--paper); text-align: center; border-radius: var(--radius); }
.contact-placeholder { min-height: 208px; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; border: 1px dashed var(--line); background: var(--wash); }
.contact-placeholder > span { font-size: .8125rem; color: var(--muted); }
.contact-placeholder .placeholder-label { color: var(--accent); letter-spacing: .15em; margin-bottom: 16px; font-size: .875rem; }
.contact-placeholder strong { font-size: 1.25rem; margin-bottom: 10px; }
.contact-card > p { font-size: .875rem; margin-top: 21px; }
.contact-card > small { color: var(--muted); display: block; margin-top: 5px; }
.contact-qr-link { display: block; width: min(100%, 320px); margin-inline: auto; }
.contact-qr { display: block; width: 100%; height: auto; }
.contact-phone { display: inline-flex; flex-direction: column; gap: 6px; margin-top: 28px; color: var(--navy); }
.contact-phone span { font-size: .875rem; color: var(--muted); }
.contact-phone strong { font-size: clamp(1.5rem, 4vw, 2rem); font-variant-numeric: tabular-nums; }
.contact-phone:hover strong { color: var(--accent); text-decoration: underline; text-underline-offset: 6px; }
.site-footer { background: var(--navy-deep); color: var(--paper); }
.footer-main { display: flex; justify-content: space-between; align-items: flex-start; gap: 50px; padding-block: 42px 35px; }
.footer-brand { font-size: 1.25rem; font-weight: 600; }
.footer-brand > span { color: var(--reverse-muted); font-size: .8125rem; font-weight: 400; margin-left: 9px; }
.footer-main p { color: var(--reverse-muted); font-size: .875rem; margin-top: 8px; }
.tools-nav { display: flex; flex-wrap: wrap; gap: 13px 23px; max-width: 500px; font-size: .875rem; }
.tools-nav > span { flex-basis: 100%; font-size: .8125rem; color: var(--reverse-muted); }
.site-footer a:hover { color: var(--accent-light); }
.footer-bottom { padding-block: 19px 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 25px; border-top: 1px solid var(--reverse-line); color: var(--reverse-muted); font-size: .75rem; }
@media (max-width: 1050px) {
  .wrap { width: calc(100% - 56px); }
  .hero { gap: 40px; padding-block: 58px 65px; }
  h1 { font-size: 3.1rem; }
  .hero-directory { padding: 29px 26px 20px; }
  .main-nav { gap: 22px; }
  .brand-text small { letter-spacing: .02em; }
  .service-grid { gap: 14px; }
  .service-card { padding: 22px 21px; }
  .about-inner, .contact-section { gap: 42px; }
}
@media (max-width: 850px) {
  .brand-text small { display: none; }
  .hero { grid-template-columns: 1.2fr 1fr; gap: 30px; }
  h1 { font-size: 2.65rem; }
  .hero-directory { padding-inline: 22px; }
  .directory-title { font-size: 1.5rem; }
  .button { gap: 18px; padding-inline: 17px; }
  .hero-actions { gap: 10px; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .work-feature { grid-template-columns: 1fr 1.2fr; }
  .work-theme { padding: 27px 24px; }
  .work-theme h3 { font-size: 1.5rem; }
  .work-list { padding-inline: 24px; }
  .footer-main { flex-direction: column; gap: 26px; }
}
@media (max-width: 720px) {
  :root { scroll-padding-top: 140px; }
  .wrap { width: calc(100% - 40px); }
  .preview-bar { font-size: .75rem; }
  .preview-detail { display: none; }
  .header-inner { min-height: 115px; padding-block: 15px 11px; flex-wrap: wrap; gap: 12px; }
  .brand-mark { width: 35px; height: 35px; font-size: 1.5rem; }
  .brand-text { font-size: 1.125rem; }
  .main-nav { width: 100%; justify-content: space-between; gap: 9px; font-size: .875rem; }
  .main-nav > a { padding-block: 5px; }
  .main-nav .nav-contact { background: none; color: var(--accent); padding: 5px 0; }
  .nav-contact span { margin-left: 3px; }
  .hero { grid-template-columns: 1fr; padding-block: 42px 51px; gap: 34px; }
  .eyebrow { font-size: .8125rem; margin-bottom: 20px; letter-spacing: .04em; }
  h1 { font-size: clamp(2.1rem, 8vw, 3.2rem); line-height: 1.4; }
  .desktop-break { display: none; }
  .hero-description { margin-top: 20px; }
  .hero-actions { margin-top: 24px; }
  .hero-footnote { margin-top: 18px; }
  .hero-directory { box-shadow: none; padding: 25px 25px 19px; }
  .directory-title { font-size: 1.5rem; margin: 20px 0; }
  .directory-title br { display: none; }
  .directory-list a { min-height: 46px; }
  .directory-footer { padding-top: 16px; }
  .services-section, .works-section { padding-block: 49px; }
  .section-heading { flex-direction: column; align-items: flex-start; gap: 15px; margin-bottom: 27px; }
  h2 { font-size: 1.75rem; }
  .section-intro br { display: none; }
  .service-grid { grid-template-columns: 1fr; gap: 15px; }
  .service-card { padding: 25px; scroll-margin-top: 140px; }
  .card-top { margin-bottom: 15px; }
  .service-card h3 { font-size: 1.375rem; }
  .service-keywords { padding-top: 19px; }
  .service-note { padding: 25px 13px 5px; }
  .service-note > p { font-size: 1.5rem; }
  .work-feature { grid-template-columns: 1fr; }
  .work-theme { padding: 27px 25px 19px; }
  .work-theme h3 { font-size: 1.625rem; margin-top: 18px; }
  .work-theme > p { margin-top: 16px; }
  .theme-bottom { padding-top: 23px; }
  .work-list { padding-inline: 25px; }
  .work-meta { flex-wrap: wrap; }
  .about-inner { grid-template-columns: 1fr; gap: 24px; padding-block: 45px; }
  .about-identity h2 { font-size: 2rem; }
  .contact-section { grid-template-columns: 1fr; padding-block: 50px; gap: 28px; }
  .contact-copy h2 { font-size: 2.375rem; }
  .contact-copy > p:not(.eyebrow) { margin-top: 18px; }
  .contact-status { margin-top: 18px; }
  .contact-card { padding: 22px; }
  .footer-main { padding-block: 33px 27px; gap: 25px; }
  .tools-nav { gap: 11px 18px; }
  .footer-bottom { display: grid; gap: 7px; padding-bottom: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}