/* 广东程序园科技有限公司：全站视觉、版式与响应式样式。 */
@font-face {
  font-family: "Program Park Sans";
  src: url("../fonts/program-park-sans.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --blue: #006ca8;
  --blue-hover: #005e8e;
  --ink: #142738;
  --text: #4c5c69;
  --muted: #75808a;
  --line: #e1e5e6;
  --paper: #f3f5f6;
  --navy: #162e40;
  --container: 1360px;
  --gutter: 72px;
  --font: "Program Park Sans", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); font-size: 17px; line-height: 1.85; color: var(--text); background: #fff; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 600; font-synthesis: none; }
svg { flex: none; }
.icon-wash { fill: currentColor; fill-opacity: .12; }
.icon { display: block; width: 20px; height: 20px; flex: none; }
::selection { background: #d3e9f2; color: var(--ink); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }
.container { width: min(calc(100% - var(--gutter) * 2), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 200; padding: 12px 20px; background: #fff; color: var(--ink); }
.skip-link:focus { top: 12px; }

/* 主导航使用原始品牌图片，完整保留字标与比例。 */
.header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid #e9eceb; }
.header-inner { height: 104px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.logo { flex: none; display: block; }
.brand-logo { width: 178px; height: auto; }
.nav { display: flex; align-items: center; gap: 38px; height: 100%; }
.nav a { display: flex; align-items: center; position: relative; height: 100%; color: #37434c; font-size: 16px; white-space: nowrap; transition: color .2s; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 25px; height: 1px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.nav a:hover, .nav a.active { color: var(--blue); }
.nav a.active::after, .nav a:hover::after { transform: scaleX(1); }
.menu-btn { display: none; width: 44px; height: 44px; padding: 12px 8px; }
.menu-btn span { display: block; height: 1px; background: var(--ink); margin: 5px 0; transition: transform .2s, opacity .2s; }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(6px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-6px) rotate(-45deg); }

/* 通用标题、链接与按钮。 */
.section { padding: 132px 0; }
.section-gray { background: var(--paper); }
.sec-en, .section-kicker { color: #697d8c; font-size: 14px; letter-spacing: .12em; line-height: 1.5; }
.sec-head { margin-bottom: 56px; }
.sec-title { font-size: clamp(38px, 4vw, 60px); line-height: 1.35; margin: 20px 0 28px; letter-spacing: -.025em; }
.sec-desc { max-width: 650px; }
.title-line { display: none; }
.text-link { display: inline-flex; gap: 24px; align-items: center; min-height: 48px; padding: 12px 0; color: var(--ink); font-size: 16px; border-bottom: 1px solid #bdc6cb; transition: color .2s, border-color .2s; }
.text-link svg { width: 18px; height: 18px; transition: transform .2s; }
.text-link:hover { color: var(--blue); border-color: var(--blue); }
.text-link:hover svg { transform: translateX(4px); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-height: 58px; padding: 16px 30px; font-size: 16px; border: 1px solid transparent; border-radius: 3px; transition: background .2s, color .2s; }
.btn svg { width: 18px; height: 18px; transition: transform .2s; }
.btn:hover .icon-arrow-right { transform: translateX(3px); }
.btn-block { gap: 10px; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-hover); }
.btn-outline-blue { color: var(--blue); border-color: var(--blue); }
.btn-outline-blue:hover { background: var(--blue); color: #fff; }
.btn-white { background: #fff; color: var(--ink); }
.btn-block { width: 100%; }

/* 首页：全幅实景、明确字阶与贯穿页面的网格。 */
.home-hero { position: relative; isolation: isolate; overflow: hidden; background: #102c42; color: #fff; }
.hero-slides { position: relative; }
.hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .7s ease, visibility .7s; }
.hero-slide:first-child { position: relative; }
.hero-slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.carousel-controls { position: absolute; z-index: 3; bottom: 26px; left: 0; right: 0; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.carousel-pages { display: flex; gap: 8px; }
.carousel-pages button { display: grid; place-items: center; width: 44px; height: 44px; }
.carousel-pages button::after { content: ""; width: 30px; height: 2px; background: #ffffff55; transition: background .2s; }
.carousel-pages button[aria-current="true"]::after, .carousel-pages button:hover::after { background: #fff; }
.carousel-toggle { display: grid; place-items: center; width: 44px; height: 44px; color: #d1dbe2; }
.playback-symbol { width: 10px; height: 12px; border-left: 2px solid currentColor; border-right: 2px solid currentColor; }
.carousel-toggle.is-paused .playback-symbol { width: 0; height: 0; border: 6px solid transparent; border-right: 0; border-left: 9px solid currentColor; }
.carousel-controls :focus-visible { outline-color: #fff; }
.hero-layout { display: flex; align-items: flex-end; min-height: clamp(620px, 76svh, 800px); }
.hero-copy { position: relative; z-index: 2; width: 100%; padding: 96px 0 142px; }
.hero-copy :is(h1, h2) { margin: 0 0 24px; color: #fff; font-size: clamp(48px, 4.4vw, 64px); line-height: 1.35; font-weight: 500; letter-spacing: -.015em; }
.hero-description { max-width: 580px; font-size: 18px; line-height: 1.8; color: #d5dfe5; letter-spacing: .035em; }
.hero-photo { position: absolute; inset: 0; z-index: 0; }
.hero-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 48%; filter: saturate(.8); }
.hero-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(7, 22, 34, .88) 0%, rgba(7, 22, 34, .55) 30%, rgba(7, 22, 34, .12) 65%, rgba(7, 22, 34, .06) 100%); }
.hero-slide--development .hero-photo img { object-position: center 58%; }
.hero-slide--development .hero-photo::after { background: linear-gradient(90deg, rgba(7, 22, 34, .76), rgba(7, 22, 34, .12)), linear-gradient(0deg, rgba(7, 22, 34, .7), transparent 70%); }
.hero-slide--city .hero-photo img { object-position: center 46%; filter: saturate(.85); }
.hero-slide--city .hero-photo::after { background: linear-gradient(0deg, rgba(7, 22, 34, .82), rgba(7, 22, 34, .12) 70%); }
.hero-photo figcaption { position: absolute; z-index: 1; bottom: 34px; right: max(var(--gutter), (100vw - var(--container)) / 2); display: flex; align-items: center; gap: 8px; font-size: 12px; color: #dae5ea; letter-spacing: .06em; }
.hero-photo figcaption .icon { width: 15px; height: 15px; }
.home-facts { border-bottom: 1px solid var(--line); background: #fff; }
.facts-layout { display: grid; grid-template-columns: 1.15fr 1fr 1fr 1fr; align-items: center; gap: 36px; padding-block: 56px; }
.facts-intro p { font-size: 22px; color: var(--ink); font-weight: 500; }
.facts-intro > span { display: block; font-size: 12px; margin-top: 14px; color: #6e7d88; }
.fact { border-left: 1px solid var(--line); padding-left: 40px; display: flex; flex-direction: column-reverse; }
.fact dt { font-size: 14px; margin-top: 14px; color: #657783; }
.fact dd { font-family: var(--font); font-size: 64px; line-height: 1.12; font-weight: 400; color: var(--ink); letter-spacing: -.045em; font-variant-numeric: lining-nums tabular-nums; }
.fact dd span { font-size: 16px; font-weight: 400; margin-left: 10px; letter-spacing: normal; }
.home-news { background: #edf1f4; }
.company-copy h2 { font-size: clamp(40px, 4vw, 60px); line-height: 1.35; margin: 22px 0 0; letter-spacing: -.025em; font-weight: 500; }
/* 产品以实际使用场景区分，文字与照片各自保留完整阅读空间。 */
.home-business { padding: 96px 0; background: #e8edf1; }
.product-section-heading { display: flex; justify-content: space-between; align-items: end; gap: 48px; margin-bottom: 44px; }
.product-section-heading h2 { font-size: clamp(38px, 3.6vw, 52px); font-weight: 500; line-height: 1.35; letter-spacing: -.025em; }
.product-section-heading > p { font-size: 16px; line-height: 1.9; color: #5c6c77; }
.product-features { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.product-feature { display: block; min-width: 0; background: #fff; }
.product-feature-photo { overflow: hidden; aspect-ratio: 1.62; background: #c7d0d4; }
.product-feature-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.product-feature--hotel .product-feature-photo img { object-position: center 56%; }
.product-feature-copy { padding: 28px 32px 32px; }
.product-feature-title { display: flex; align-items: baseline; gap: 20px; }
.product-feature-title h3 { color: #173247; font-size: 36px; font-weight: 500; line-height: 1.4; }
.product-feature-title > span { color: #71808a; font-size: 13px; letter-spacing: .08em; }
.product-feature-copy > p { margin-top: 14px; color: #536572; font-size: 16px; line-height: 1.8; }
.product-feature:hover .product-feature-photo img { transform: scale(1.025); }
.product-feature:hover h3 { color: var(--blue); }
.product-feature:focus-visible, .development-feature:focus-visible { outline-offset: 6px; }
.development-feature { position: relative; isolation: isolate; display: flex; align-items: center; justify-content: space-between; gap: 40px; min-height: 172px; padding: 32px 40px; margin-top: 28px; color: #d3e0e8; background: #173247; overflow: hidden; }
.development-feature::before { content: ""; position: absolute; z-index: -2; inset: 0 0 0 35%; background: url("../img/hero/development-960.webp") center 58% / cover; opacity: .35; }
.development-feature::after { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, #173247 25%, #173247a8 72%); }
.development-feature > div > p { font-size: 12px; letter-spacing: .12em; color: #adc3d2; }
.development-feature h3 { margin-top: 8px; font-size: 30px; font-weight: 500; line-height: 1.5; color: #fff; }
.development-feature-description { font-size: 16px; line-height: 1.85; }
.development-feature:hover h3 { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 7px; }
.home-company { background: #fff; padding: 120px 0; }
.company-layout { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: 88px; }
.company-photo { margin-left: calc(-1 * max(var(--gutter), (100vw - var(--container)) / 2)); }
.company-photo img { width: 100%; height: 580px; object-fit: cover; object-position: 42% center; filter: saturate(.8); }
.company-photo figcaption { margin-top: 20px; margin-left: max(var(--gutter), (100vw - var(--container)) / 2); font-size: 12px; letter-spacing: .06em; color: #697e8b; }
.company-copy h2 { color: var(--ink); margin-bottom: 30px; }
.company-copy > p:not(.section-kicker) { font-size: 17px; line-height: 2; margin-bottom: 20px; }
.company-copy .text-link { margin-top: 12px; }
.home-section-head { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 58px; }
.home-section-head h2 { font-size: 60px; margin-top: 20px; letter-spacing: -.03em; font-weight: 500; }
.editorial-news { border-top: 1px solid #a6b4be; }
.editorial-news a { display: grid; grid-template-columns: 150px 110px 1fr; gap: 26px; align-items: center; padding: 40px 0; border-bottom: 1px solid var(--line); }
.editorial-news time { font-size: 16px; color: #6b7e8d; font-variant-numeric: tabular-nums; }
.editorial-category { font-size: 14px; color: #6b7e8d; }
.editorial-news h3 { font-size: 22px; line-height: 1.7; font-weight: 400; transition: color .2s; }
.editorial-arrow { display: flex; justify-content: flex-end; color: #71818b; }
.editorial-arrow .icon { width: 22px; height: 22px; transition: transform .2s; }
.editorial-news a:hover .editorial-arrow .icon { transform: translate(2px, -2px); }
.editorial-news a:hover h3 { color: var(--blue); }

/* 内页采用浅色标题与实景侧图，延续首页比例。 */
.page-hero { position: relative; background: var(--paper); min-height: 420px; display: flex; align-items: center; overflow: hidden; }
.page-hero-bg { position: absolute; left: 60%; right: 0; top: 0; bottom: 0; background-size: cover; background-position: center; filter: saturate(.65); }
.page-hero-shade { display: none; }
.page-hero-inner { position: relative; padding-block: 56px; }
.page-hero-en { color: var(--blue); font-size: 11px; letter-spacing: .12em; }
.page-hero h1 { font-size: 68px; line-height: 1.35; margin: 14px 0 16px; letter-spacing: -.03em; }
.page-hero-sub { max-width: 53%; font-size: 18px; }
.breadcrumb { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 13px; margin-top: 32px; }
.breadcrumb a:hover { color: var(--blue); }

/* 产品介绍：用产品名称、业务描述和流程代替模拟界面。 */
.products.page-products { padding-block: 28px; }
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; padding: 70px 0; }
.showcase + .showcase { border-top: 1px solid var(--line); }
.showcase-reverse .product-identity { order: 2; }
.product-identity { min-height: 480px; padding: 42px; background: var(--navy); color: #fff; display: flex; flex-direction: column; justify-content: space-between; }
.identity-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #c3d5df; font-size: 12px; letter-spacing: .08em; }
.identity-heading .icon { width: 44px; height: 44px; --icon-surface: var(--navy); }
.product-identity strong { font-size: 84px; font-weight: 500; letter-spacing: .02em; line-height: 1.5; }
.product-identity div p { font-size: 17px; color: #c5dce8; }
.identity-foot { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; padding-top: 20px; border-top: 1px solid #ffffff30; font-size: 12px; color: #b5c9d6; }
.identity-foot .icon { width: 15px; height: 15px; }
.identity-hotel { background: #dce5e4; color: #24433c; }
.identity-hotel .identity-heading, .identity-hotel div p, .identity-hotel .identity-foot { color: #546e67; }
.identity-hotel .identity-foot { border-color: #24433c30; }
.showcase-copy h2 { margin: 18px 0 28px; font-size: 46px; line-height: 1.45; }
.showcase-copy > p:not(.sec-en) { font-size: 17px; line-height: 2; }
.showcase-points { display: grid; grid-template-columns: 1fr 1fr; margin: 26px 0; gap: 16px 24px; font-size: 15px; }
.showcase-points li { padding-left: 13px; border-left: 1px solid var(--blue); }
.development-photo { align-self: stretch; display: flex; flex-direction: column; }
.development-photo img { min-height: 350px; width: 100%; height: 100%; object-fit: cover; }
.development-photo figcaption { font-size: 11px; padding: 16px 0; color: var(--muted); }

/* 公司介绍、数据与办公环境。 */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-media { position: relative; padding-bottom: 48px; }
.about-main { width: 100%; height: 380px; object-fit: cover; }
.about-sub { width: 46%; height: 170px; object-fit: cover; position: absolute; right: -20px; bottom: 0; border: 8px solid var(--paper); }
.about-year { padding-top: 15px; display: flex; align-items: baseline; gap: 12px; }
.about-year strong { font-size: 28px; font-weight: 400; color: var(--ink); }
.about-year span { font-size: 11px; }
.about-copy > p:not(.sec-en) { font-size: 17px; line-height: 2; margin: 16px 0; }
.about-copy .btn { margin-top: 16px; }
.stats-band { background: #fff; padding: 66px 0; border-bottom: 1px solid var(--line); }
.stats-inner { display: grid; grid-template-columns: .7fr 1.3fr; gap: 60px; align-items: center; }
.stats-intro h2 { font-size: 28px; margin: 10px 0; }
.stats-intro > p:last-child { font-size: 11px; color: var(--muted); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-grid > div { padding-left: 24px; border-left: 1px solid var(--line); }
.stats-grid strong { display: block; color: var(--ink); font-size: 42px; line-height: 1.4; font-weight: 400; }
.stats-grid strong em { font-style: normal; font-size: 15px; }
.stats-grid > div > span { font-size: 12px; color: var(--muted); }
.city-band { position: relative; padding: 100px 0; background: var(--navy); color: #fff; }
.city-bg { position: absolute; inset: 0; background-size: cover; background-position: center; filter: saturate(.5); }
.city-shade { position: absolute; inset: 0; background: rgba(12, 32, 46, .78); }
.city-inner { position: relative; display: grid; grid-template-columns: 1.3fr .7fr; gap: 100px; align-items: center; }
.city-tag { font-size: 12px; letter-spacing: .1em; color: #c0d4df; }
.city-copy h2 { color: #fff; font-size: 38px; line-height: 1.5; margin: 20px 0; }
.city-copy > p:last-child { font-size: 14px; line-height: 2; color: #c4ced5; max-width: 600px; }
.city-quote { padding-left: 32px; border-left: 1px solid #8095a5; font-size: 20px; line-height: 1.8; }
.city-quote footer { font-size: 11px; color: #c4ced5; margin-top: 20px; }
.workspace { padding: 100px 0; background: var(--paper); }
.workspace-head { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-bottom: 36px; align-items: center; }
.workspace-desc { font-size: 14px; line-height: 2; }
.workspace-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.workspace-grid img { width: 100%; height: 250px; object-fit: cover; }
.workspace-grid figcaption { padding-top: 14px; font-size: 12px; }
.timeline { border-top: 1px solid var(--ink); }
.tl-item { display: grid; grid-template-columns: 180px 1fr; gap: 40px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.tl-year { color: var(--blue); font: 36px "Helvetica Neue", Arial, sans-serif; }
.tl-body h3 { font-size: 20px; margin-bottom: 10px; }
.tl-body p { font-size: 14px; }

/* 解决方案与实施流程。 */
.solution-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 38px; }
.solution-card { border-top: 1px solid var(--line); padding-top: 30px; }
.solution-icon { color: #314e60; display: block; margin-bottom: 28px; }
.solution-icon .icon { width: 40px; height: 40px; }
.solution-card h3 { font-size: 24px; margin-bottom: 16px; }
.solution-card > p { font-size: 16px; line-height: 2; }
.solution-tags { display: flex; flex-wrap: wrap; gap: 14px; font-size: 11px; color: var(--muted); margin-top: 25px; }
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.process-3 { grid-template-columns: repeat(3, 1fr); }
.process li { border-top: 1px solid #a8b7bf; padding: 24px 0; }
.process-num { color: var(--blue); font-size: 13px; }
.process h3 { font-size: 22px; margin: 15px 0; }
.process p { font-size: 16px; line-height: 1.9; }
.section-blue { color: #c5d1d9; background: var(--navy); }
.section-blue h2, .section-blue h3 { color: #fff; }
.section-blue .sec-en { color: #afcbd9; }
.advantage-head { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; margin-bottom: 48px; }
.advantage-desc { font-size: 17px; line-height: 2; }
.advantage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.advantage-item { border-top: 1px solid #ffffff30; padding-top: 24px; }
.adv-num { font-size: 12px; color: #94adbe; }
.advantage-item h3 { font-size: 23px; margin: 14px 0; }
.advantage-item p { font-size: 16px; line-height: 2; }
.platform-row { border-top: 1px solid #ffffff30; padding-top: 32px; margin-top: 60px; display: flex; gap: 50px; align-items: baseline; font-size: 12px; }
.platform-label { color: #94adbe; white-space: nowrap; }
.platform-list { display: flex; flex-wrap: wrap; gap: 30px; }

/* 新闻与招聘以内容列表为主，避免重复的装饰卡片。 */
.news-head { display: flex; justify-content: space-between; align-items: end; margin-bottom: 40px; gap: 40px; }
.news-head-desc { font-size: 14px; }
.news-list { border-top: 1px solid var(--ink); }
.news-item { display: grid; grid-template-columns: 100px 1fr 30px; gap: 35px; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--line); }
.news-date { display: flex; flex-direction: column; }
.news-date strong { color: var(--ink); font-size: 28px; font-weight: 400; }
.news-date em { font-size: 11px; font-style: normal; color: var(--muted); }
.news-main { display: flex; flex-direction: column; gap: 9px; }
.news-cat { color: var(--muted); font-size: 11px; }
.news-title { color: var(--ink); font-size: 20px; }
.news-arrow svg { width: 22px; height: 22px; }
.news-item:hover .news-title { color: var(--blue); }
.jobs-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.jobs-intro > p:not(.sec-en) { font-size: 16px; line-height: 2; }
.job-perks { display: flex; flex-wrap: wrap; gap: 12px 22px; border-top: 1px solid var(--line); padding-top: 20px; margin: 25px 0; font-size: 12px; color: var(--blue); }
.jobs-mail a { color: var(--blue); }
.job-list { border-top: 1px solid var(--ink); }
.job-row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px 18px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.job-name { font-size: 21px; color: var(--ink); }
.job-name em { display: block; font-size: 11px; font-style: normal; color: var(--muted); margin-top: 6px; }
.job-meta { grid-column: 1; font-size: 12px; }
.job-deal { grid-column: 2; grid-row: 1; font-size: 12px; color: var(--blue); }
.job-go { grid-column: 3; grid-row: 1; }
.job-go svg { width: 20px; height: 20px; }
.job-row:hover .job-name { color: var(--blue); }

/* 联系方式与邮件咨询。 */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: start; }
.contact-lead { font-size: 17px; line-height: 2; }
.contact-list { margin-top: 30px; }
.contact-list li { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-icon { flex: none; width: 24px; color: #527184; padding-top: 4px; }
.contact-icon .icon { width: 22px; height: 22px; }
.contact-label { color: var(--muted); font-size: 11px; display: block; margin-bottom: 6px; }
.contact-list p { color: var(--ink); font-size: 16px; }
.contact-phone { font-size: 28px; font-weight: 500; white-space: nowrap; font-variant-numeric: tabular-nums; }
.contact-link { display: inline-flex; align-items: center; gap: 8px; min-height: 32px; margin-top: 4px; color: var(--blue); font-size: 12px; }
.contact-link .icon { width: 14px; height: 14px; }
.contact-form-card { background: var(--paper); padding: 40px; }
.contact-form-card h3 { font-size: 28px; }
.form-sub { margin: 10px 0 28px; font-size: 12px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-row { display: flex; flex-direction: column; gap: 7px; margin-bottom: 20px; }
.form-row label { font-size: 12px; color: var(--ink); }
.form-row label i { color: #a1232a; font-style: normal; }
.form-row input, .form-row select, .form-row textarea { width: 100%; min-width: 0; padding: 12px; border: 1px solid #cdd5d9; border-radius: 0; background: #fff; font-size: 14px; color: var(--ink); }
.form-row input::placeholder, .form-row textarea::placeholder { color: #8a949c; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: 2px solid var(--blue); outline-offset: 1px; }
.form-row input.invalid { border-color: #b42c32; }
.form-row textarea { resize: vertical; min-height: 120px; }
.select-wrap { position: relative; }
.select-wrap select { appearance: none; padding-right: 30px; }
.select-wrap svg { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; pointer-events: none; }
.form-note { font-size: 11px; margin-top: 14px; color: var(--muted); }
.map-section { padding-top: 0; }
.map-card { display: grid; grid-template-columns: 1fr 1fr; background: var(--paper); }
.map-photo img { width: 100%; height: 100%; min-height: 380px; object-fit: cover; }
.map-info { padding: 50px; align-self: center; }
.map-info .sec-title { font-size: 30px; }
.map-info > p:not(.sec-en) { font-size: 14px; }
.map-note { color: var(--muted); margin: 14px 0 24px; }

/* 合作入口与页脚。 */
.cta-band { padding: 90px 0; background: #0b527e; color: #d6e5ee; }
.cta-band .sec-en { color: #b8d2e1; }
.cta-band .btn-primary { color: #163a52; background: #fff; border-color: #fff; }
.cta-band .btn-primary:hover { background: #e5eef4; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-copy h2 { font-size: 48px; color: #fff; margin: 14px 0; line-height: 1.4; }
.cta-copy > p:last-child { font-size: 17px; }
.cta-inner > .btn { flex: none; }
.footer { background: #142a3b; color: #aebec9; padding-top: 66px; }
.footer-top { display: grid; grid-template-columns: 1.5fr .7fr .8fr 1fr; gap: 50px; padding-bottom: 56px; }
.footer-brand-name { font-size: 32px; font-weight: 500; letter-spacing: .04em; color: #fff; }
.footer-brand-name span { display: block; font-size: 11px; font-weight: 400; letter-spacing: .05em; color: #b9c8d1; margin-top: 7px; }
.footer-brand > p { font-size: 14px; line-height: 2; margin: 20px 0; color: #9caeba; }
.footer-email { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; color: #e2e9ed; }
.footer-email .icon { width: 16px; height: 16px; color: #a1b6c4; }
.footer-col h2 { font-size: 16px; font-weight: 400; color: #fff; margin-bottom: 24px; }
.footer-col a { display: flex; align-items: center; gap: 16px; width: fit-content; font-size: 14px; margin-bottom: 12px; }
.footer-col a:hover { color: #fff; }
.footer-col svg { width: 16px; height: 16px; }
.footer-contact p { font-size: 14px; line-height: 2; margin-bottom: 18px; }
.footer-contact .footer-phone { margin-bottom: 20px; color: #fff; font-size: 26px; font-weight: 500; white-space: nowrap; font-variant-numeric: tabular-nums; }
.footer-bottom { border-top: 1px solid #ffffff20; padding: 22px 0; display: flex; justify-content: space-between; gap: 20px; font-size: 12px; color: #9fb1bf; }
.to-top { position: fixed; z-index: 50; right: 22px; bottom: 24px; display: grid; place-items: center; width: 42px; height: 42px; background: #fff; border: 1px solid #d8e0e4; border-radius: 3px; color: var(--ink); opacity: 0; visibility: hidden; transition: opacity .2s, border-color .2s; }
.to-top:hover { border-color: var(--blue); color: var(--blue); }
.to-top .icon { width: 18px; height: 18px; }
.to-top.is-visible { opacity: 1; visibility: visible; }
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 300; transform: translate(-50%, 16px); max-width: calc(100% - 32px); width: max-content; padding: 14px 24px; background: var(--navy); color: #fff; font-size: 13px; opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s; }
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* 中等屏幕维持完整首屏，调整网格与字号以适应阅读宽度。 */
@media (max-width: 1200px) {
  :root { --gutter: 44px; }
  .header-inner { gap: 24px; }
  .brand-logo { width: 160px; }
  .nav { gap: 24px; }
  .nav a { font-size: 15px; }
  .hero-layout { min-height: 620px; }
  .hero-copy :is(h1, h2) { font-size: 48px; }
  .company-layout, .about-grid, .showcase, .contact-layout, .jobs-layout { gap: 50px; }
  .company-copy h2 { font-size: 48px; }
  .facts-layout { gap: 24px; }
  .fact { padding-left: 24px; }
  .fact dd { font-size: 54px; }
  .company-photo img { height: 520px; }
  .footer-top { gap: 30px; }
  .stats-inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 960px) {
  :root { --gutter: 32px; }
  body { font-size: 16px; }
  .header-inner { height: 82px; }
  .brand-logo { width: 145px; }
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; height: auto; background: #fff; border-bottom: 1px solid var(--line); padding: 16px var(--gutter) 24px; max-height: calc(100dvh - 82px); overflow-y: auto; }
  .nav.open { display: block; }
  .nav a { min-height: 48px; padding: 12px 0; font-size: 16px; }
  .nav a::after { right: auto; width: 24px; bottom: 6px; }
  .product-section-heading { gap: 28px; }
  .product-section-heading h2 { font-size: 38px; }
  .product-features { gap: 20px; }
  .product-feature-copy { padding: 24px; }
  .product-feature-title { gap: 14px; }
  .product-feature-title h3 { font-size: 30px; }
  .product-feature-copy > p { font-size: 15px; }
  .hero-layout { min-height: 580px; }
  .hero-copy { padding: 72px 0 128px; }
  .hero-copy :is(h1, h2) { font-size: 42px; }
  .hero-description { font-size: 16px; }
  .section { padding: 100px 0; }
  .facts-layout { gap: 18px; padding-block: 42px; }
  .facts-intro p { font-size: 18px; }
  .facts-intro > span { font-size: 11px; }
  .fact { padding-left: 18px; }
  .fact dd { font-size: 46px; }
  .fact dd span { font-size: 13px; }
  .company-layout { grid-template-columns: 1fr; gap: 44px; }
  .company-photo { margin-left: 0; }
  .company-photo img { height: 430px; }
  .company-photo figcaption { margin-left: 0; }
  .company-copy { max-width: 730px; }
  .home-company { padding: 100px 0; }
  .editorial-news a { grid-template-columns: 110px 80px 1fr; gap: 20px; }
  .editorial-news h3 { font-size: 19px; }
  .page-hero h1 { font-size: 54px; }
  .page-hero-bg { left: 64%; }
  .page-hero-sub { max-width: 60%; font-size: 16px; }
  .about-grid, .jobs-layout, .contact-layout { grid-template-columns: 1fr; }
  .about-main { height: 420px; }
  .about-sub { right: 0; width: 36%; }
  .showcase { gap: 36px; padding: 60px 0; }
  .product-identity { min-height: 420px; padding: 26px; }
  .product-identity strong { font-size: 54px; }
  .showcase-copy h2 { font-size: 36px; }
  .showcase-copy > p:not(.sec-en) { font-size: 16px; }
  .city-inner { grid-template-columns: 1fr; gap: 40px; }
  .city-quote { max-width: 500px; }
  .workspace-head { grid-template-columns: 1fr; gap: 10px; }
  .workspace-grid { gap: 16px; }
  .workspace-grid img { height: 200px; }
  .solution-grid, .advantage-grid, .process { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .process-3 { grid-template-columns: repeat(3, 1fr); }
  .advantage-head { grid-template-columns: 1fr; gap: 12px; }
  .map-info { padding: 30px; }
  .map-info .sec-title { font-size: 30px; }
  .cta-copy h2 { font-size: 38px; }
  .footer-top { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; border-top: 1px solid #ffffff20; padding-top: 26px; }
}

/* 手机保留完整实景背景，通过字号与垂直节奏重排内容。 */
@media (max-width: 640px) {
  :root { --gutter: 24px; }
  html { scroll-padding-top: 90px; }
  .header-inner { height: 76px; }
  .brand-logo { width: 134px; }
  .nav { max-height: calc(100dvh - 76px); }
  .carousel-controls { bottom: 20px; gap: 16px; }
  .home-business { padding: 64px 0; }
  .product-section-heading { display: block; margin-bottom: 32px; }
  .product-section-heading h2 { font-size: 34px; }
  .product-section-heading > p { margin-top: 18px; font-size: 15px; }
  .product-features { grid-template-columns: 1fr; gap: 24px; }
  .product-feature-photo { aspect-ratio: 1.45; }
  .product-feature-copy { padding: 24px; }
  .development-feature { display: block; padding: 28px; margin-top: 24px; }
  .development-feature h3 { font-size: 26px; }
  .development-feature-description { margin-top: 18px; font-size: 15px; }
  .hero-layout { min-height: 520px; }
  .hero-copy { padding: 64px 0 112px; }
  .hero-copy :is(h1, h2) { font-size: clamp(32px, 8vw, 42px); line-height: 1.45; margin-bottom: 20px; letter-spacing: 0; }
  .hero-copy :is(h1, h2) span { display: block; }
  .hero-description { max-width: 320px; font-size: 15px; letter-spacing: 0; }
  .hero-photo img { object-position: 59% center; }
  .hero-photo figcaption { bottom: 22px; font-size: 11px; }
  .facts-layout { grid-template-columns: repeat(3, 1fr); gap: 28px 10px; padding-block: 32px; }
  .facts-intro { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
  .facts-intro p { font-size: 18px; }
  .facts-intro > span { margin: 0; font-size: 10px; }
  .fact { padding-left: 14px; }
  .fact:nth-child(2) { padding-left: 0; border: 0; }
  .fact dd { font-size: clamp(30px, 10vw, 44px); }
  .fact dd span { font-size: 11px; margin-left: 3px; }
  .fact dt { font-size: 12px; }
  .section { padding: 76px 0; }
  .sec-title { font-size: 36px; }
  .sec-head { margin-bottom: 36px; }
  .section-kicker { font-size: 12px; }
  .home-company { padding: 76px 0; }
  .company-layout { gap: 36px; }
  .company-photo img { height: 300px; }
  .company-copy h2 { font-size: 38px; margin-block: 20px; }
  .company-copy > p:not(.section-kicker) { font-size: 16px; }
  .home-section-head { align-items: end; gap: 16px; margin-bottom: 36px; }
  .home-section-head h2 { font-size: 36px; margin-top: 18px; }
  .home-section-head .text-link { gap: 14px; font-size: 14px; white-space: nowrap; }
  .editorial-news a { grid-template-columns: 1fr auto; gap: 14px; padding: 28px 0; }
  .editorial-news h3 { grid-column: 1 / 3; grid-row: 2; font-size: 18px; line-height: 1.8; }
  .editorial-news time, .editorial-category { font-size: 12px; }
  .editorial-arrow { grid-column: 3; grid-row: 2; }
  .page-hero { min-height: 330px; }
  .page-hero-bg { display: none; }
  .page-hero-inner { padding-block: 50px; }
  .page-hero h1 { font-size: 42px; }
  .page-hero-sub { max-width: 100%; font-size: 16px; }
  .about-grid { gap: 36px; }
  .about-main { height: 260px; }
  .about-sub { width: 43%; height: 130px; }
  .about-copy > p:not(.sec-en) { font-size: 16px; }
  .stats-band { padding: 44px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 26px 12px; }
  .stats-grid > div { padding-left: 16px; }
  .stats-grid strong { font-size: 40px; }
  .city-band { padding: 76px 0; }
  .city-copy h2 { font-size: 36px; }
  .city-quote { font-size: 20px; padding-left: 20px; }
  .workspace { padding: 76px 0; }
  .workspace-grid { grid-template-columns: 1fr; gap: 28px; }
  .workspace-grid img { height: 240px; }
  .tl-item { grid-template-columns: 72px 1fr; gap: 22px; }
  .tl-year { font-size: 28px; }
  .tl-body h3 { font-size: 20px; }
  .tl-body p { font-size: 15px; }
  .products.page-products { padding-block: 12px; }
  .showcase { grid-template-columns: 1fr; gap: 30px; padding: 50px 0; }
  .showcase-reverse .product-identity { order: 0; }
  .product-identity { min-height: 330px; padding: 26px; }
  .product-identity strong { font-size: 62px; }
  .showcase-copy h2 { font-size: 36px; }
  .development-photo img { height: 260px; min-height: 0; }
  .solution-grid, .advantage-grid, .process, .process-3 { grid-template-columns: 1fr; gap: 34px; }
  .solution-card { padding-top: 24px; }
  .solution-icon { margin-bottom: 20px; }
  .solution-card h3 { font-size: 24px; }
  .process li { padding-bottom: 0; }
  .platform-row { display: block; margin-top: 40px; }
  .platform-list { gap: 14px 26px; margin-top: 18px; }
  .news-item { grid-template-columns: 58px 1fr 20px; gap: 18px; padding: 28px 0; }
  .news-date strong { font-size: 23px; }
  .news-title { font-size: 18px; line-height: 1.8; }
  .job-row { grid-template-columns: 1fr 20px; gap: 10px; }
  .job-name { font-size: 22px; }
  .job-deal { grid-column: 1; grid-row: auto; }
  .job-go { grid-column: 2; }
  .contact-layout { gap: 40px; }
  .contact-form-card { padding: 26px 20px; }
  .form-grid { grid-template-columns: 1fr; gap: 0; }
  .form-group input, .form-group select, .form-group textarea { font-size: 16px; }
  .map-card { grid-template-columns: 1fr; }
  .map-photo img { height: 250px; min-height: 0; }
  .map-info { padding: 32px 24px; }
  .cta-band { padding: 64px 0; }
  .cta-inner { display: block; }
  .cta-copy h2 { font-size: 34px; }
  .cta-copy > p:last-child { font-size: 16px; }
  .cta-inner > .btn { margin-top: 28px; }
  .footer { padding-top: 56px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 34px 22px; padding-bottom: 34px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand > p { margin-block: 14px; }
  .footer-col h2 { margin-bottom: 18px; }
  .footer-contact { grid-column: 1 / -1; }
  .footer-bottom { display: block; font-size: 11px; line-height: 2; }
  .to-top { right: 12px; bottom: 16px; width: 40px; height: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}