@charset "UTF-8";

:root {
  --ink: #171717;
  --graphite: #393939;
  --graphite-2: #48494b;
  --gray: #808080;
  --line: #d9d9d9;
  --paper: #fff;
  --soft: #f3f3f1;
  --accent: #d63b2f;
  --header: 70px;
  --content: min(1505px, 90%);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body.menu-open, body:has(.search-panel.is-open) { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
::selection { color: #fff; background: var(--accent); }

.site-header { position: fixed; z-index: 1000; inset: 0 0 auto; height: var(--header); padding: 0 5%; display: grid; grid-template-columns: minmax(270px, 1fr) auto 88px; align-items: center; background: rgba(255,255,255,.97); border-bottom: 1px solid transparent; transition: box-shadow .35s, border-color .35s; }
.site-header.is-scrolled { border-color: #e6e6e6; box-shadow: 0 8px 25px rgba(0,0,0,.04); }
.brand, .footer-brand { display: inline-flex; align-items: center; gap: 14px; width: max-content; }
.brand-symbol { position: relative; width: 36px; height: 36px; display: inline-block; transform: skewX(-11deg); }
.brand-symbol i { position: absolute; inset: auto; display: block; background: var(--ink); }
.brand-symbol i:nth-child(1) { width: 11px; height: 30px; left: 2px; top: 3px; }
.brand-symbol i:nth-child(2) { width: 11px; height: 22px; left: 14px; top: 11px; }
.brand-symbol i:nth-child(3) { width: 8px; height: 14px; right: 0; top: 19px; background: var(--accent); }
.brand-copy { display: grid; gap: 1px; }
.brand-copy b, .footer-brand b { font-size: 20px; letter-spacing: .18em; line-height: 1.1; }
.brand-copy small, .footer-brand small { color: #666; font: 9px/1.2 Arial, sans-serif; letter-spacing: .18em; }
.site-nav { height: 100%; display: flex; align-items: stretch; }
.nav-item { position: relative; display: flex; align-items: stretch; }
.nav-link { position: relative; min-width: 92px; padding: 0 17px; display: grid; place-items: center; font-size: 14px; white-space: nowrap; }
.nav-link::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: 0; height: 2px; background: var(--ink); transform: scaleX(0); transition: transform .35s var(--ease); }
.nav-item:hover .nav-link::after, .nav-item.is-active .nav-link::after { transform: scaleX(1); }
.nav-submenu { position: absolute; left: 0; top: 100%; width: 210px; padding: 13px 18px; background: var(--graphite); color: #fff; opacity: 0; visibility: hidden; transform: translateY(12px); transition: .3s var(--ease); box-shadow: 0 18px 35px rgba(0,0,0,.18); }
.nav-item:hover .nav-submenu { opacity: 1; visibility: visible; transform: none; }
.nav-submenu a { padding: 11px 2px; display: flex; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.12); color: #d5d5d5; font-size: 13px; transition: .25s; }
.nav-submenu a:last-child { border: 0; }
.nav-submenu a:hover { color: #fff; padding-left: 7px; }
.header-tools { justify-self: end; display: flex; align-items: center; height: 34px; border-left: 1px solid var(--line); }
.search-toggle, .menu-toggle { width: 52px; height: 34px; padding: 0; border: 0; background: none; cursor: pointer; }
.search-toggle svg { width: 21px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.menu-toggle { display: none; }
.search-panel { position: fixed; z-index: 1100; inset: 0; display: grid; place-items: center; background: rgba(26,26,26,.96); color: white; opacity: 0; visibility: hidden; transition: .4s; }
.search-panel.is-open { opacity: 1; visibility: visible; }
.search-panel form { width: min(760px, calc(100vw - 48px)); transform: translateY(30px); transition: .5s var(--ease); }
.search-panel.is-open form { transform: none; }
.search-panel label { display: block; margin-bottom: 28px; color: #aaa; font-size: 14px; letter-spacing: .25em; }
.search-panel form > div { display: flex; border-bottom: 1px solid #777; }
.search-panel input { flex: 1; padding: 18px 0; border: 0; outline: 0; color: #fff; background: transparent; font-size: clamp(24px, 4vw, 48px); }
.search-panel form button { border: 0; background: none; color: white; cursor: pointer; }
.search-panel form button svg { width: 24px; fill: none; stroke: currentColor; }
.search-panel p { color: #888; font-size: 13px; }
.search-close { position: absolute; top: 25px; right: 35px; border: 0; background: none; color: white; font: 36px/1 Arial; cursor: pointer; }

main { padding-top: var(--header); overflow: clip; }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; color: #777; font: 11px/1.2 Arial, sans-serif; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 30px; height: 1px; background: currentColor; }
.button { min-height: 48px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: space-between; gap: 40px; border: 1px solid var(--ink); background: var(--ink); color: white; font-size: 13px; transition: .3s; }
.button:hover { background: transparent; color: var(--ink); }
.button.is-light { border-color: #fff; background: #fff; color: var(--ink); }
.button.is-light:hover { background: transparent; color: #fff; }
.button.is-outline { color: var(--ink); background: transparent; }
.button.is-outline:hover { color: #fff; background: var(--ink); }

/* 首页 */
.hero { position: relative; height: 40.8vw; min-height: 584px; background: #222; color: #fff; }
.hero-slides, .hero-slide, .hero-slide::after { position: absolute; inset: 0; }
.hero-slide { opacity: 0; overflow: hidden; transition: opacity 1.1s ease; }
.hero-slide.is-active { opacity: 1; }
.hero-slide::after { content: ""; background: linear-gradient(90deg, rgba(0,0,0,.58), rgba(0,0,0,.04) 65%), linear-gradient(0deg, rgba(0,0,0,.4), transparent 50%); }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); transition: transform 8s linear; }
.hero-slide.is-active img { transform: scale(1); }
.hero-content { position: relative; z-index: 2; width: var(--content); height: 100%; margin: auto; display: flex; align-items: flex-end; padding-bottom: 86px; }
.hero-copy { width: min(670px, 75%); }
.hero-kicker { display: block; margin-bottom: 22px; color: rgba(255,255,255,.72); font: 12px Arial; letter-spacing: .26em; }
.hero h1 { margin: 0; font-size: clamp(45px, 5.5vw, 80px); font-weight: 400; line-height: 1.2; letter-spacing: .04em; }
.hero p { width: min(500px, 100%); margin: 26px 0 0; color: rgba(255,255,255,.78); font-size: 15px; line-height: 2; }
.hero-control { position: absolute; z-index: 3; right: max(40px, calc((100vw - 1220px) / 2)); bottom: 83px; width: 260px; }
.hero-count { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; font: 12px Arial; letter-spacing: .15em; }
.hero-count strong { font-size: 22px; font-weight: 400; }
.hero-count i { width: 70px; height: 1px; background: rgba(255,255,255,.6); }
.hero-dots { display: flex; gap: 8px; }
.hero-dots button { width: 42px; height: 3px; padding: 0; border: 0; background: rgba(255,255,255,.35); cursor: pointer; transition: .3s; }
.hero-dots button.is-active { background: #fff; }
.scroll-mark { position: absolute; z-index: 3; right: 22px; top: 50%; display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.55); font: 9px Arial; letter-spacing: .2em; transform: rotate(90deg) translateX(50%); transform-origin: right center; }
.scroll-mark i { width: 46px; height: 1px; background: currentColor; }

/* 首页：参考建筑设计机构的完整模块构图 */
.jdd-about { --about-height: clamp(716px, calc(20.55vw + 420px), 1127px); position: relative; min-height: var(--about-height); overflow: hidden; color: #fff; background: #4b4c4e; }
.jdd-about::before { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(67,68,70,.9),rgba(67,68,70,.94)), url('../images/hero-factory.webp') center 52%/cover no-repeat; opacity: .72; filter: grayscale(1); }
.jdd-about-inner { position: relative; width: 90%; height: var(--about-height); margin: auto; padding-top: 72px; }
.jdd-about-title h2 { margin: 0; font-size: 38px; font-weight: 400; line-height: 1.35; letter-spacing: .03em; }
.jdd-about-title > i { display: block; width: 1px; height: 58px; margin-top: 38px; background: rgba(255,255,255,.22); }
.jdd-about-frame { position: absolute; z-index: 2; right: 0; top: -135px; width: 52%; padding: 18px; background: #fff; box-shadow: 0 24px 70px rgba(0,0,0,.18); }
.jdd-about-frame img { width: 100%; height: auto; aspect-ratio: 1.52; object-fit: cover; }
.jdd-about-copy { width: 41.5%; margin-top: 52px; }
.about-lockup { display: inline-flex; align-items: center; gap: 15px; }
.about-lockup-logo { width: 108px; height: 58px; padding: 8px 10px; flex: 0 0 auto; object-fit: contain; background: #fff; }
.about-lockup > span:last-child { display: grid; }
.about-lockup b { font-size: 21px; font-weight: 500; }
.about-lockup small { margin-top: 3px; color: #c2c2c2; font: 9px Arial; letter-spacing: .08em; }
.jdd-about-copy p { margin: 40px 0 24px; color: #d0d0d1; font-size: 15px; line-height: 2.05; }
.text-link { display: inline-flex; align-items: center; gap: 22px; color: #ddd; font-size: 12px; }
.text-link span { transition: transform .3s; }
.text-link:hover span { transform: translate(4px,-4px); }
.jdd-metrics { position: absolute; left: 0; right: 0; bottom: 0; height: 180px; display: grid; grid-template-columns: repeat(4,1fr); align-items: center; border-top: 1px solid rgba(255,255,255,.12); }
.jdd-metrics > div { padding-left: 1px; }
.jdd-metrics strong { display: block; font: 34px/1 Arial, sans-serif; }
.jdd-metrics small { display: block; margin-top: 14px; color: #999; font-size: 12px; }

.service-panels { height: 712px; display: grid; grid-template-columns: repeat(4,1fr); background: #60666d; }
.service-panel { position: relative; min-width: 0; overflow: hidden; display: grid; place-items: center; color: #fff; border-right: 1px solid rgba(255,255,255,.2); isolation: isolate; }
.service-panel:last-child { border: 0; }
.service-panel::before, .service-panel::after { content: ""; position: absolute; inset: 0; z-index: -2; }
.service-panel::before { background: var(--panel-image) center/cover no-repeat; transition: transform 1s var(--ease), filter .6s; }
.service-panel::after { z-index: -1; background: linear-gradient(180deg, rgba(52,63,78,.64), rgba(49,55,62,.42)); transition: background .45s; }
.service-panel:hover::before, .service-panel.is-active::before { transform: scale(1.045); }
.service-panel:hover::after, .service-panel.is-active::after { background: rgba(62,66,72,.36); }
.service-panel > div { position: relative; z-index: 2; width: 100%; text-align: center; transform: translateY(-4px); }
.service-panel h2 { margin: 0; font-size: 20px; font-weight: 400; }
.service-panel div > i { display: block; width: 30px; height: 2px; margin: 30px auto; background: rgba(255,255,255,.58); }
.service-panel p { margin: 0; color: rgba(255,255,255,.58); font: 17px Arial, sans-serif; }
.service-panel b { display: block; margin: 27px auto 0; font-size: 19px; font-weight: 400; opacity: 0; transition: opacity .35s, transform .35s; }
.service-panel:hover b, .service-panel.is-active b { opacity: 1; transform: translate(3px,-3px); }
.service-orbit { position: absolute; z-index: 1; left: 50%; top: 50%; width: min(72%, 390px); aspect-ratio: 1; border-radius: 50%; background: rgba(58,61,66,.68); transform: translate(-50%,-50%) scale(.2); opacity: 0; transition: transform .55s var(--ease), opacity .4s; }
.service-panel:hover .service-orbit, .service-panel.is-active .service-orbit { transform: translate(-50%,-50%) scale(1); opacity: 1; }

.jdd-projects { padding: 64px 0 62px; color: #fff; background: #4b4c4e; }
.jdd-projects-inner, .jdd-news-inner { width: 90%; margin: auto; }
.jdd-projects h2, .jdd-news h2 { margin: 0 0 44px; font-size: 28px; font-weight: 400; }
.project-gallery { height: 600px; display: grid; grid-template-columns: 4fr .92fr; gap: 20px; }
.project-main { position: relative; overflow: hidden; background: #333; }
.project-main > img { width: 100%; height: 100%; object-fit: cover; transition: opacity .35s, transform .8s var(--ease); }
.project-main:hover > img { transform: scale(1.025); }
.project-main-overlay { position: absolute; inset: auto 0 0; padding: 70px 35px 28px; display: grid; gap: 8px; background: linear-gradient(transparent,rgba(0,0,0,.66)); opacity: 0; transition: opacity .35s; }
.project-main:hover .project-main-overlay { opacity: 1; }
.project-main-overlay small { color: #bbb; font: 10px Arial; letter-spacing: .14em; }
.project-main-overlay b { font-size: 24px; font-weight: 400; }
.project-thumbs { display: grid; grid-template-rows: repeat(3,1fr); gap: 20px; }
.project-thumbs button { position: relative; min-height: 0; padding: 0; overflow: hidden; border: 0; background: #333; cursor: pointer; }
.project-thumbs button::after { content: ""; position: absolute; inset: 0; border: 4px solid #fff; opacity: 0; transition: opacity .3s; }
.project-thumbs button.is-active::after { opacity: 1; }
.project-thumbs img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.75); transition: filter .3s, transform .5s; }
.project-thumbs button:hover img, .project-thumbs button.is-active img { filter: none; transform: scale(1.03); }
.project-gallery-foot { padding-top: 38px; display: flex; justify-content: space-between; align-items: end; }
.project-gallery-foot h3 { margin: 0 0 10px; font-size: 22px; font-weight: 400; }
.project-gallery-foot p { margin: 0; color: #aaa; font-size: 12px; }
.project-gallery-foot > a { min-width: 230px; padding: 20px; display: flex; justify-content: space-between; border: 1px solid #737476; color: #ccc; font-size: 12px; transition: .3s; }
.project-gallery-foot > a:hover { border-color: #fff; color: #fff; }

.jdd-news { padding: 76px 0 64px; color: #fff; background: #545557; border-top: 1px solid rgba(255,255,255,.2); }
.news-tabs { margin-bottom: 62px; display: flex; gap: 70px; border-bottom: 1px solid rgba(255,255,255,.09); }
.news-tabs button { position: relative; padding: 0 0 24px; border: 0; background: none; color: #aaa; cursor: pointer; }
.news-tabs button::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 64px; height: 1px; background: #aaa; transform: scaleX(0); transform-origin: left; transition: transform .3s; }
.news-tabs button.is-active { color: #fff; }
.news-tabs button.is-active::after { transform: scaleX(1); }
.news-layout { display: grid; grid-template-columns: 3.5fr 1.3fr; gap: 20px; }
.news-table { background: #48494b; transition: opacity .25s; }
.news-table a { min-height: 78px; padding: 0 40px; display: grid; grid-template-columns: 125px 1fr 35px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.1); color: #c4c4c4; font-size: 12px; transition: background .3s, color .3s; }
.news-table a:last-child { border: 0; }
.news-table a:hover { color: #fff; background: #404143; }
.news-table time { font: 10px Arial; letter-spacing: .08em; }
.news-table b { justify-self: end; font-size: 17px; font-weight: 400; }
.news-focus { position: relative; display: grid; grid-template-rows: 210px 1fr 70px; background: #666769; }
.news-focus img { height: 210px; object-fit: cover; }
.news-focus > div { padding: 28px 30px; }
.news-focus h3 { margin: 0 0 30px; font-size: 16px; font-weight: 400; line-height: 1.55; }
.news-focus time { color: #bcbcbc; font: 11px Arial; }
.news-focus > span { margin: 0 30px; display: flex; align-items: center; justify-content: flex-end; border-top: 1px solid rgba(255,255,255,.12); font-size: 20px; transition: transform .3s; }
.news-focus:hover > span { transform: translate(4px,-4px); }

.home-intro { position: relative; min-height: 716px; padding: 92px 0 72px; background: var(--graphite); color: white; }
.home-intro-inner { width: var(--content); margin: auto; display: grid; grid-template-columns: .82fr 1.18fr; gap: 70px; align-items: start; }
.display-title { margin: 15px 0 0; font-size: clamp(36px, 4vw, 58px); font-weight: 400; line-height: 1.35; letter-spacing: .04em; }
.home-intro .eyebrow { color: #aaa; }
.intro-text { max-width: 480px; margin-top: 48px; color: #c4c4c4; font-size: 14px; line-height: 2.1; }
.intro-link { margin-top: 30px; }
.framed-image { position: relative; padding: 24px 24px 0 0; margin-top: -155px; }
.framed-image::before { content: ""; position: absolute; inset: 0 0 24px 24px; border: 14px solid #fff; pointer-events: none; }
.framed-image img { position: relative; height: 470px; object-fit: cover; }
.metrics { width: var(--content); margin: 64px auto 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.18); }
.metric { padding: 32px 18px 0 0; border-right: 1px solid rgba(255,255,255,.14); }
.metric:last-child { border: 0; padding-left: 24px; }
.metric strong { display: inline-block; font: 48px/1 Arial; }
.metric strong::after { content: attr(data-unit); margin-left: 4px; font-size: 16px; }
.metric span { display: block; margin-top: 12px; color: #aaa; font-size: 13px; }

.section { padding: 82px 0; }
.section-inner { width: var(--content); margin: auto; }
.section-head { margin-bottom: 44px; display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.section-head h2 { margin: 14px 0 0; font-size: clamp(34px, 4vw, 56px); font-weight: 400; line-height: 1.25; }
.section-head p { max-width: 430px; margin: 0 0 4px; color: #777; font-size: 14px; line-height: 1.9; }
.service-list { border-top: 1px solid var(--line); }
.service-row { position: relative; display: grid; grid-template-columns: 100px 1.2fr 1fr 50px; align-items: center; min-height: 116px; border-bottom: 1px solid var(--line); overflow: hidden; }
.service-row::before { content: ""; position: absolute; inset: 0; background: var(--graphite); transform: scaleY(0); transform-origin: bottom; transition: transform .45s var(--ease); }
.service-row > * { position: relative; z-index: 1; }
.service-row:hover { color: #fff; }
.service-row:hover::before { transform: scaleY(1); }
.service-row b { color: #999; font: 12px Arial; }
.service-row h3 { margin: 0; font-size: 25px; font-weight: 400; }
.service-row p { margin: 0; color: #888; font-size: 13px; transition: .3s; }
.service-row:hover p { color: #bbb; }
.service-row span { font-size: 22px; transition: transform .3s; }
.service-row:hover span { transform: translate(4px,-4px); }

.project-showcase { background: var(--soft); }
.project-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 22px; }
.project-card { position: relative; min-height: 600px; overflow: hidden; background: #222; color: white; }
.project-card.small { min-height: 289px; }
.project-stack { display: grid; gap: 22px; }
.project-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.project-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.62), transparent 60%); }
.project-card:hover img { transform: scale(1.045); }
.project-card-copy { position: absolute; z-index: 2; inset: auto 32px 30px; }
.project-card-copy small { color: rgba(255,255,255,.7); font: 10px Arial; letter-spacing: .16em; }
.project-card-copy h3 { margin: 10px 0 0; font-size: 27px; font-weight: 400; }
.project-arrow { position: absolute; z-index: 2; right: 24px; top: 24px; width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; opacity: 0; transform: translate(-8px,8px); transition: .35s; }
.project-card:hover .project-arrow { opacity: 1; transform: none; }

.news-home { display: grid; grid-template-columns: .9fr 1.4fr; gap: 70px; }
.news-feature img { height: 340px; object-fit: cover; }
.news-feature time { display: block; margin-top: 24px; color: #888; font: 11px Arial; letter-spacing: .12em; }
.news-feature h3 { margin: 12px 0; font-size: 24px; font-weight: 400; line-height: 1.55; }
.news-feature p { color: #777; line-height: 1.8; }
.news-rows { border-top: 1px solid var(--ink); }
.news-row { display: grid; grid-template-columns: 120px 1fr 35px; align-items: center; min-height: 102px; border-bottom: 1px solid var(--line); }
.news-row time { color: #888; font: 12px Arial; }
.news-row h3 { margin: 0; font-size: 16px; font-weight: 400; line-height: 1.6; }
.news-row span { font-size: 20px; transition: transform .3s; }
.news-row:hover span { transform: translate(5px,-5px); }

/* 栏目通用 */
.page-banner { position: relative; height: 390px; display: grid; place-items: center; color: white; background: #222; overflow: hidden; }
.page-banner::before, .page-banner::after { content: ""; position: absolute; inset: 0; }
.page-banner::before { background: var(--banner) center/cover no-repeat; transform: scale(1.02); }
.page-banner::after { background: rgba(0,0,0,.36); }
.page-banner-title { position: relative; z-index: 1; text-align: center; }
.page-banner-title small { font: 14px Arial; letter-spacing: .2em; }
.page-banner-title h1 { margin: 8px 0 0; font-size: 38px; font-weight: 400; letter-spacing: .16em; }
body[data-page="about"] { --banner: url('../images/about-material.webp'); }
body[data-page="products"] { --banner: url('../images/hero-factory.webp'); }
body[data-page="cases"] { --banner: url('../images/case-03.webp'); }
body[data-page="news"] { --banner: url('../images/news-02.webp'); }
body[data-page="contact"] { --banner: url('../images/hero-campus.webp'); }
.inner-shell { padding: 0 0 110px; background: var(--graphite); color: #fff; }
.breadcrumb { width: var(--content); height: 72px; margin: auto; display: flex; align-items: center; gap: 9px; color: #aaa; font-size: 12px; border-bottom: 1px solid rgba(255,255,255,.14); }
.breadcrumb a:hover { color: white; }
.category-nav { width: var(--content); margin: 0 auto 58px; padding: 22px 0; display: flex; gap: 12px; border-bottom: 1px solid rgba(255,255,255,.18); }
.category-nav a, .category-nav button { min-width: 122px; padding: 12px 20px; border: 1px solid #727272; background: transparent; color: #d3d3d3; text-align: center; font-size: 13px; cursor: pointer; transition: .3s; }
.category-nav a:hover, .category-nav a.is-active, .category-nav button:hover, .category-nav button.is-active { border-color: #8b8d92; background: #8b8d92; color: white; }
.inner-content { width: var(--content); margin: auto; }
.inner-heading { margin-bottom: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; }
.inner-heading h2 { margin: 10px 0 0; font-size: clamp(34px, 4vw, 54px); font-weight: 400; line-height: 1.3; }
.inner-heading p { max-width: 480px; margin: 0; color: #b7b7b7; line-height: 2; }

/* 关于 */
.about-story { display: grid; grid-template-columns: .9fr 1.25fr; gap: 80px; }
.about-story-copy .lead { margin: 0 0 28px; color: white; font-size: 23px; line-height: 1.75; }
.about-story-copy p { color: #bbb; font-size: 14px; line-height: 2.1; }
.about-story-image { margin-top: 42px; }
.about-story-image img { height: 430px; object-fit: cover; }
.about-metrics { margin: 75px 0 0; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(255,255,255,.18); }
.history-block { margin-top: 110px; padding-top: 90px; border-top: 1px solid rgba(255,255,255,.18); }
.timeline { position: relative; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid #777; }
.timeline-item { position: relative; padding: 28px 32px 0 0; }
.timeline-item::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border: 2px solid var(--graphite); border-radius: 50%; background: white; }
.timeline-item time { font: 28px Arial; }
.timeline-item h3 { margin: 18px 0 10px; font-size: 17px; font-weight: 400; }
.timeline-item p { color: #aaa; font-size: 13px; line-height: 1.8; }
.capability-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.capability-card { min-height: 250px; padding: 34px; border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); transition: .35s; }
.capability-card:hover { color: var(--ink); background: white; transform: translateY(-6px); }
.capability-card b { color: #999; font: 10px Arial; letter-spacing: .15em; }
.capability-card h3 { margin: 54px 0 14px; font-size: 22px; font-weight: 400; }
.capability-card p { color: #aaa; font-size: 13px; line-height: 1.8; }
.capability-card:hover p { color: #666; }

/* 产品 */
.system-tabs { display: grid; grid-template-columns: 290px 1fr; border: 1px solid rgba(255,255,255,.18); }
.system-tab-list { border-right: 1px solid rgba(255,255,255,.18); }
.system-tab { width: 100%; min-height: 82px; padding: 0 26px; display: flex; align-items: center; justify-content: space-between; border: 0; border-bottom: 1px solid rgba(255,255,255,.14); background: transparent; color: #aaa; cursor: pointer; text-align: left; transition: .3s; }
.system-tab:last-child { border-bottom: 0; }
.system-tab.is-active, .system-tab:hover { color: white; background: #505153; }
.system-tab span { font: 11px Arial; }
.system-panel { min-height: 440px; display: none; grid-template-columns: 1fr 1fr; }
.system-panel.is-active { display: grid; animation: panelIn .55s var(--ease); }
@keyframes panelIn { from { opacity: 0; transform: translateY(12px); } }
.system-panel > div { padding: 55px; }
.system-panel h3 { margin: 16px 0; font-size: 36px; font-weight: 400; line-height: 1.4; }
.system-panel p, .system-panel li { color: #bbb; font-size: 13px; line-height: 1.9; }
.system-panel ul { margin: 25px 0 0; padding: 20px 0 0 18px; border-top: 1px solid rgba(255,255,255,.16); }
.system-panel img { height: 100%; min-height: 440px; object-fit: cover; background: #eee; }
.product-line { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.product-card { background: white; color: var(--ink); overflow: hidden; }
.product-card img { height: 290px; object-fit: contain; padding: 28px; background: #f2f2f2; transition: transform .5s; }
.product-card:hover img { transform: scale(1.04); }
.product-card div { padding: 27px; }
.product-card small { color: #999; font: 10px Arial; letter-spacing: .15em; }
.product-card h3 { margin: 12px 0; font-size: 20px; font-weight: 400; }
.product-card p { color: #777; font-size: 13px; line-height: 1.8; }

/* 案例 */
.filter-bar { margin-bottom: 42px; display: flex; flex-wrap: wrap; gap: 10px; border-top: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); padding: 18px 0; }
.filter-bar button { padding: 9px 24px; border: 0; background: transparent; color: #aaa; cursor: pointer; }
.filter-bar button.is-active { color: white; background: #66676a; }
.case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 42px 22px; }
.case-card { display: block; transition: opacity .35s, transform .5s var(--ease); }
.case-card.is-hidden { display: none; }
.case-image { position: relative; height: 270px; overflow: hidden; background: #222; }
.case-image::after { content: "↗"; position: absolute; right: 20px; top: 20px; width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid white; border-radius: 50%; opacity: 0; transform: translate(-8px,8px); transition: .35s; }
.case-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.case-card:hover .case-image img { transform: scale(1.05); }
.case-card:hover .case-image::after { opacity: 1; transform: none; }
.case-card-content { padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.case-card-content small { color: #999; font: 10px Arial; letter-spacing: .14em; }
.case-card-content h3 { margin: 11px 0 0; font-size: 19px; font-weight: 400; }

/* 新闻 */
.feature-news { margin-bottom: 55px; display: grid; grid-template-columns: 1.15fr 1fr; min-height: 390px; background: #fff; color: var(--ink); }
.feature-news img { height: 100%; object-fit: cover; }
.feature-news-copy { padding: 55px; display: flex; flex-direction: column; justify-content: center; }
.feature-news-copy time { color: #888; font: 11px Arial; letter-spacing: .12em; }
.feature-news-copy h2 { margin: 18px 0; font-size: 29px; font-weight: 400; line-height: 1.55; }
.feature-news-copy p { color: #777; font-size: 13px; line-height: 1.9; }
.news-archive { border-top: 1px solid rgba(255,255,255,.22); }
.news-archive .news-row { grid-template-columns: 140px 1fr 40px; border-color: rgba(255,255,255,.15); }
.news-archive .news-row time { color: #aaa; }

/* 联系 */
.contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 85px; }
.contact-info h2 { margin: 15px 0 24px; font-size: 45px; font-weight: 400; line-height: 1.35; }
.contact-info > p { color: #aaa; font-size: 14px; line-height: 2; }
.contact-list { margin-top: 50px; border-top: 1px solid rgba(255,255,255,.18); }
.contact-list > div { padding: 20px 0; display: grid; grid-template-columns: 90px 1fr; border-bottom: 1px solid rgba(255,255,255,.18); }
.contact-list small { color: #888; }
.contact-list p { margin: 0; }
.contact-form { padding: 45px; background: white; color: var(--ink); }
.contact-form h3 { margin: 0 0 30px; font-size: 25px; font-weight: 400; }
.field { margin-bottom: 22px; }
.field label { display: block; margin-bottom: 9px; color: #888; font: 10px Arial; letter-spacing: .12em; }
.field input, .field select, .field textarea { width: 100%; padding: 13px 0; border: 0; border-bottom: 1px solid #ccc; border-radius: 0; outline: 0; background: transparent; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--ink); }
.field textarea { min-height: 90px; resize: vertical; }
.button.is-success { border-color: #555; background: #555; }
.map-card { position: relative; height: 360px; margin-top: 70px; overflow: hidden; background: linear-gradient(135deg,#ddd 1px,transparent 1px) 0 0/34px 34px, #eee; color: var(--ink); }
.map-card::before, .map-card::after { content: ""; position: absolute; background: #aaa; transform: rotate(-12deg); }
.map-card::before { width: 120%; height: 18px; left: -5%; top: 48%; }
.map-card::after { width: 12px; height: 130%; left: 62%; top: -15%; transform: rotate(25deg); }
.map-pin { position: absolute; z-index: 2; left: 62%; top: 45%; width: 20px; height: 20px; border: 5px solid white; border-radius: 50%; background: var(--accent); box-shadow: 0 4px 12px rgba(0,0,0,.25); }
.map-caption { position: absolute; z-index: 2; left: 38px; bottom: 32px; padding: 22px 28px; background: white; }
.map-caption h3 { margin: 8px 0; font-size: 24px; font-weight: 400; }
.map-caption p { margin: 0; color: #888; font: 11px Arial; }

/* 页尾 */
.site-footer { padding: 72px 5% 25px; background: #262626; color: #fff; }
.footer-main { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; padding-bottom: 55px; }
.footer-brand .brand-symbol i { background: white; }
.footer-brand .brand-symbol i:nth-child(3) { background: var(--accent); }
.footer-brand small { color: #b5b5b5; }
.footer-brand > span:last-child { display: grid; }
.footer-contact > p { margin: 28px 0; color: #999; font-size: 13px; line-height: 2; }
.footer-phone { font: 28px Arial; letter-spacing: .05em; }
.footer-links { display: grid; grid-template-columns: repeat(5,1fr); gap: 28px; }
.footer-links > div > a:first-child { margin-bottom: 20px; color: white; font-size: 14px; }
.footer-links a { display: block; margin-bottom: 11px; color: #8f8f8f; font-size: 12px; transition: .25s; }
.footer-links a:hover { color: white; }
.footer-direct { padding: 23px 0; display: flex; gap: 28px; border-top: 1px solid #444; border-bottom: 1px solid #444; color: #999; font-size: 12px; }
.footer-direct span { color: #aaa; }
.footer-direct a:hover { color: white; }
.footer-bottom { padding-top: 24px; display: flex; justify-content: space-between; color: #aaa; font-size: 11px; }

/* 动效 */
.js [data-reveal] { opacity: 0; transform: translateY(32px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js [data-reveal="left"] { transform: translateX(-34px); }
.js [data-reveal="right"] { transform: translateX(34px); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }
.service-row:nth-child(2), .case-card:nth-child(2), .capability-card:nth-child(2) { transition-delay: .08s; }
.service-row:nth-child(3), .case-card:nth-child(3), .capability-card:nth-child(3) { transition-delay: .16s; }

@media (min-width: 1600px) {
  .jdd-about-inner, .jdd-projects-inner, .jdd-news-inner { width: 79%; }
  .jdd-about-inner { padding-top: 88px; }
  .jdd-about-title h2 { font-size: 46px; }
  .jdd-about-frame { top: -165px; width: 55%; padding: 20px; }
  .jdd-about-frame img { width: 100%; height: auto; aspect-ratio: 1.52; object-fit: cover; }
  .jdd-about-copy { width: 40.5%; margin-top: 68px; }
  .about-lockup b { font-size: 24px; }
  .about-lockup small { font-size: 10px; }
  .jdd-about-copy p { margin-top: 46px; font-size: 17px; line-height: 2.05; }
  .text-link { font-size: 14px; }
  .jdd-metrics { height: clamp(206px, 10.7vw, 360px); }
  .jdd-metrics strong { font-size: 40px; }
  .jdd-metrics small { font-size: 14px; }
}

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 245px auto 60px; }
  .nav-link { min-width: 75px; padding-inline: 10px; font-size: 13px; }
  .nav-link::after { left: 10px; right: 10px; }
  .hero-control { right: 30px; }
  .framed-image img { height: 430px; }
  .footer-links { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 820px) {
  :root { --header: 50px; --content: 90vw; }
  .site-header { grid-template-columns: 1fr auto; height: var(--header); padding: 0 18px; }
  .brand-symbol { width: 31px; height: 31px; transform: scale(.88) skewX(-11deg); transform-origin: left center; }
  .brand-copy b { font-size: 17px; }
  .site-nav { position: fixed; inset: var(--header) 0 0; padding: 22px 24px 45px; display: block; overflow-y: auto; background: var(--graphite); color: white; opacity: 0; visibility: hidden; transform: translateX(100%); transition: .45s var(--ease); }
  .menu-open .site-nav { opacity: 1; visibility: visible; transform: none; }
  .nav-item { display: block; border-bottom: 1px solid rgba(255,255,255,.15); }
  .nav-link { min-height: 62px; padding: 0; display: flex; align-items: center; justify-content: space-between; font-size: 18px; }
  .nav-link::after { display: none; }
  .nav-submenu { position: static; width: auto; max-height: 0; padding: 0; opacity: 1; visibility: visible; transform: none; overflow: hidden; box-shadow: none; transition: max-height .4s; }
  .nav-item:hover .nav-submenu { max-height: 260px; }
  .nav-submenu a { padding-left: 15px; }
  .header-tools { border: 0; }
  .search-toggle, .menu-toggle { width: 42px; }
  .menu-toggle { display: inline-grid; place-content: center; gap: 5px; }
  .menu-toggle i { width: 23px; height: 1px; background: currentColor; transition: .3s; }
  .menu-open .menu-toggle i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-open .menu-toggle i:nth-child(2) { opacity: 0; }
  .menu-open .menu-toggle i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .hero { height: 60vw; min-height: 234px; max-height: 360px; }
  .hero-content { padding-bottom: 38px; }
  .hero-copy { width: 72%; }
  .hero-kicker { margin-bottom: 10px; font-size: 8px; }
  .hero h1 { font-size: clamp(21px, 6.2vw, 34px); line-height: 1.35; }
  .hero p { display: none; }
  .hero-control { left: 18px; right: auto; bottom: 13px; width: 150px; }
  .hero-count { margin: 0; font-size: 9px; }
  .hero-count strong { font-size: 13px; }
  .hero-count i { width: 34px; }
  .hero-dots { display: none; }
  .scroll-mark { display: none; }
  .jdd-about { min-height: 497px; }
  .jdd-about-inner { width: calc(100% - 40px); height: 497px; padding-top: 20px; }
  .jdd-about-title h2 { width: 48%; font-size: 22px; line-height: 1.5; }
  .jdd-about-title > i { height: 58px; margin-top: 22px; }
  .jdd-about-frame { top: -36px; width: 49%; padding: 7px; box-shadow: 0 12px 32px rgba(0,0,0,.18); }
  .jdd-about-frame img { width: 100%; height: auto; aspect-ratio: 1.4; }
  .jdd-about-copy { width: 100%; margin-top: 12px; }
  .about-lockup { gap: 10px; }
  .about-lockup-logo { width: 76px; height: 42px; padding: 6px 7px; }
  .about-lockup b { font-size: 13px; }
  .about-lockup small { font-size: 7px; }
  .jdd-about-copy p { margin: 20px 0 10px; display: -webkit-box; overflow: hidden; -webkit-line-clamp: 4; -webkit-box-orient: vertical; font-size: 11px; line-height: 1.9; }
  .jdd-about-copy .text-link { display: none; }
  .jdd-metrics { height: 142px; grid-template-columns: repeat(2,1fr); }
  .jdd-metrics > div { min-height: 70px; padding-top: 14px; border-right: 1px solid rgba(255,255,255,.12); }
  .jdd-metrics > div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.12); }
  .jdd-metrics strong { font-size: 25px; }
  .jdd-metrics small { margin-top: 6px; font-size: 10px; }
  .service-panels { height: 780px; grid-template-columns: repeat(2,1fr); grid-template-rows: repeat(2,1fr); }
  .service-panel:nth-child(2) { border-right: 0; }
  .service-panel:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.2); }
  .service-panel h2 { font-size: 17px; }
  .service-panel div > i { width: 22px; margin: 20px auto; }
  .service-panel p { font-size: 11px; }
  .service-panel b { margin-top: 18px; font-size: 15px; opacity: 1; }
  .service-orbit { width: 78%; }
  .jdd-projects { padding: 38px 0; }
  .jdd-projects-inner, .jdd-news-inner { width: calc(100% - 40px); }
  .jdd-projects h2, .jdd-news h2 { margin-bottom: 25px; font-size: 23px; }
  .project-gallery { height: 350px; grid-template-columns: 1fr; gap: 10px; }
  .project-main { min-height: 245px; }
  .project-thumbs { height: 95px; grid-template-columns: repeat(3,1fr); grid-template-rows: 1fr; gap: 10px; }
  .project-main-overlay { display: none; }
  .project-gallery-foot { padding-top: 22px; display: block; }
  .project-gallery-foot h3 { font-size: 18px; }
  .project-gallery-foot p { font-size: 10px; line-height: 1.7; }
  .project-gallery-foot > a { min-width: 0; margin-top: 18px; padding: 13px 15px; }
  .jdd-news { padding: 40px 0; }
  .news-tabs { margin-bottom: 25px; gap: 35px; }
  .news-tabs button { padding-bottom: 15px; font-size: 12px; }
  .news-layout { grid-template-columns: 1fr; }
  .news-table a { min-height: 67px; padding: 0 14px; grid-template-columns: 88px 1fr 20px; font-size: 11px; }
  .news-table a:nth-child(n+4) { display: none; }
  .news-focus { grid-template-columns: 118px 1fr 36px; grid-template-rows: 110px; }
  .news-focus img { height: 110px; }
  .news-focus > div { padding: 15px; }
  .news-focus h3 { margin-bottom: 12px; font-size: 12px; }
  .news-focus > span { margin: 12px 0; padding-right: 10px; border-top: 0; border-left: 1px solid rgba(255,255,255,.12); }
  .home-intro { min-height: 0; padding: 26px 0 30px; }
  .home-intro-inner { position: relative; display: block; min-height: 270px; }
  .home-intro-inner > div:first-child { width: 100%; }
  .home-intro .display-title { width: 54%; margin-top: 10px; font-size: 23px; }
  .intro-text { width: 100%; margin-top: 82px; display: -webkit-box; overflow: hidden; -webkit-line-clamp: 4; -webkit-box-orient: vertical; font-size: 12px; line-height: 1.9; }
  .intro-link { min-height: 38px; margin-top: 15px; padding-inline: 16px; }
  .framed-image { position: absolute; right: 0; top: -36px; width: 44%; margin: 0; padding: 8px 8px 0 0; }
  .framed-image::before { inset: 0 0 8px 8px; border-width: 5px; }
  .framed-image img { height: 120px; }
  .metrics, .about-metrics { grid-template-columns: repeat(2,1fr); margin-top: 20px; }
  .metric { min-height: 88px; padding-top: 18px; border-bottom: 1px solid rgba(255,255,255,.14); }
  .metric strong { font-size: 27px; }
  .metric strong::after { font-size: 12px; }
  .metric span { margin-top: 7px; font-size: 11px; }
  .section { padding: 48px 0; }
  .section-head, .inner-heading { display: block; }
  .section-head p, .inner-heading p { margin-top: 25px; }
  .service-row { grid-template-columns: 55px 1fr 30px; padding: 22px 0; }
  .service-row p { display: none; }
  .project-grid, .news-home, .about-story, .contact-layout, .footer-main { grid-template-columns: 1fr; }
  .project-grid { gap: 10px; }
  .project-stack { gap: 10px; grid-template-columns: 1fr 1fr; }
  .project-card { min-height: 270px; }
  .project-card.small { min-height: 180px; }
  .project-card-copy { inset: auto 18px 18px; }
  .project-card-copy h3 { font-size: 18px; }
  .page-banner { height: 300px; }
  .page-banner-title h1 { font-size: 31px; }
  .category-nav { overflow-x: auto; padding-bottom: 18px; }
  .category-nav a, .category-nav button { min-width: 112px; }
  .timeline { grid-template-columns: repeat(2,1fr); gap: 45px 0; }
  .capability-grid, .product-line, .case-grid { grid-template-columns: repeat(2,1fr); }
  .system-tabs { grid-template-columns: 1fr; }
  .system-tab-list { display: grid; grid-template-columns: repeat(2,1fr); border: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .system-tab { border-right: 1px solid rgba(255,255,255,.14); }
  .system-panel { grid-template-columns: 1fr; }
  .system-panel img { height: 330px; min-height: 0; }
  .feature-news { grid-template-columns: 1fr; }
  .feature-news img { height: 320px; }
  .contact-layout { gap: 50px; }
  .site-footer { padding: 28px 20px 18px; }
  .footer-main { display: block; padding: 0; }
  .footer-contact > p, .footer-phone, .footer-links, .footer-direct { display: none; }
  .footer-bottom { margin-top: 24px; padding-top: 16px; }
  .footer-bottom span:nth-child(2) { display: none; }
  .project-showcase .project-stack { display: none; }
  main > .section:last-child { padding-block: 34px; }
  main > .section:last-child .section-head { margin-bottom: 24px; }
  main > .section:last-child .section-head h2 { font-size: 27px; }
  .news-home { display: block; }
  .news-home .news-feature img, .news-home .news-feature p { display: none; }
  .news-home .news-feature { display: block; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
  .news-home .news-feature time { margin-top: 0; }
  .news-home .news-feature h3 { margin: 8px 0 0; font-size: 18px; }
  .news-home .news-row { min-height: 70px; }
  .news-home .news-row:nth-child(n+4) { display: none; }
}

@media (max-width: 540px) {
  .brand-copy small { display: none; }
  .hero-kicker { margin-bottom: 15px; }
  .hero h1 { font-size: 23px; }
  .display-title, .section-head h2, .inner-heading h2 { font-size: 28px; }
  .metrics, .about-metrics { grid-template-columns: 1fr 1fr; }
  .project-card { min-height: 270px; }
  .project-card.small { min-height: 165px; }
  .news-row, .news-archive .news-row { grid-template-columns: 92px 1fr 22px; min-height: 92px; }
  .page-banner { height: 245px; }
  .page-banner-title small { font-size: 11px; }
  .page-banner-title h1 { font-size: 27px; }
  .breadcrumb { height: 60px; }
  .inner-shell { padding-bottom: 75px; }
  .about-story { gap: 35px; }
  .about-story-copy .lead { font-size: 19px; }
  .timeline { grid-template-columns: 1fr; gap: 38px; }
  .capability-grid, .product-line, .case-grid { grid-template-columns: 1fr; }
  .system-panel > div { padding: 32px 25px; }
  .system-panel h3 { font-size: 29px; }
  .feature-news-copy { padding: 30px 24px; }
  .feature-news-copy h2 { font-size: 23px; }
  .contact-form { padding: 30px 24px; }
  .contact-info h2 { font-size: 34px; }
  .footer-bottom { gap: 12px; flex-direction: column; }
}

/* 品牌标识与内容详情页 */
.brand-logo { width: 145px; height: 46px; object-fit: contain; object-position: left center; }
.footer-logo { width: 116px; height: 42px; object-fit: contain; object-position: left center; }
.footer-brand { gap: 18px; }
.footer-brand b { letter-spacing: .12em; }
.catalog-card, .featured-project, .project-card, .news-feature-visual { display: block; cursor: pointer; }
.catalog-card:focus-visible, .featured-project:focus-visible, .project-card:focus-visible, .news-row:focus-visible { outline: 3px solid #fff; outline-offset: -3px; }

.news-editorial-hero { background-image: linear-gradient(90deg,rgba(10,14,17,.62),rgba(10,14,17,.08)), url("http://weldon.test/uploads/20230810/45756307f5347d79882468a1ade61945.png"); }
.news-subnav { grid-template-columns: repeat(3,1fr); }
.news-editorial-content { width: var(--editorial-width); margin: 0 auto; padding-top: clamp(90px,8vw,150px); }
.news-editorial-feature { display: grid; grid-template-columns: 1.25fr .75fr; min-height: 610px; background: #fff; color: var(--ink); }
.news-feature-visual { min-width: 0; overflow: hidden; }
.news-feature-visual img { height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.news-feature-visual:hover img { transform: scale(1.035); }
.news-editorial-feature .feature-news-copy { padding: clamp(45px,5vw,90px); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.news-editorial-feature .feature-news-copy h2 { font-size: clamp(28px,2.5vw,46px); line-height: 1.45; }
.news-editorial-feature .feature-news-copy p { font-size: 15px; line-height: 2; }
.news-editorial-archive { margin-top: 80px; border-top-color: rgba(255,255,255,.22); }
.news-editorial-archive .news-row { min-height: 132px; grid-template-columns: 180px 1fr 44px; color: #fff; border-bottom-color: rgba(255,255,255,.15); }
.news-editorial-archive .news-row time { color: #a9aaac; }
.news-editorial-archive .news-row div small { color: #929395; font: 10px Arial; letter-spacing: .15em; }
.news-editorial-archive .news-row h3 { margin: 10px 0 0; font-size: 20px; font-weight: 400; }
.news-editorial-archive .news-row:hover { background: #fff; color: var(--ink); }

.detail-page main { min-height: 100vh; background: var(--graphite-2); color: #fff; }
.detail-hero { width: var(--editorial-width); min-height: 590px; margin: 0 auto; padding: clamp(75px,8vw,135px) 0 85px; display: flex; flex-direction: column; justify-content: flex-end; border-bottom: 1px solid rgba(255,255,255,.18); }
.detail-back { margin-bottom: auto; display: flex; justify-content: space-between; gap: 30px; color: #d0d1d2; font-size: 13px; }
.detail-back a { min-height: 44px; display: inline-flex; align-items: center; transition: color .25s; }
.detail-back a:hover { color: #fff; }
.detail-hero > small { color: #d0d1d2; font: 11px Arial; letter-spacing: .24em; }
.detail-hero h1 { max-width: 1200px; margin: 20px 0 26px; font-size: clamp(44px,5.2vw,88px); font-weight: 500; line-height: 1.16; letter-spacing: -.035em; }
.detail-hero > p { max-width: 760px; margin: 0; color: #c8c9ca; font-size: 16px; line-height: 1.9; }
.detail-content { width: var(--editorial-width); margin: 0 auto; padding: 100px 0 130px; }
.product-detail-stage { display: grid; grid-template-columns: 1.2fr .8fr; background: #fff; color: var(--ink); }
.detail-product-image { min-width: 0; min-height: 650px; margin: 0; padding: clamp(30px,4vw,75px); display: grid; place-items: center; background: #f1f1ef; }
.detail-product-image img { max-height: 600px; object-fit: contain; }
.detail-product-copy { padding: clamp(50px,6vw,110px); display: flex; flex-direction: column; justify-content: center; }
.detail-product-copy > small, .case-detail-story small { color: #666; font: 10px Arial; letter-spacing: .2em; }
.detail-product-copy h2, .case-detail-story h2 { margin: 18px 0 30px; font-size: clamp(32px,3vw,52px); font-weight: 500; line-height: 1.4; }
.detail-product-copy > p, .case-detail-story p { color: #666; font-size: 15px; line-height: 2; }
.detail-product-copy dl, .case-detail-story dl { margin: 45px 0 0; border-top: 1px solid #ddd; }
.detail-product-copy dl div, .case-detail-story dl div { min-height: 62px; display: grid; grid-template-columns: 110px 1fr; align-items: center; border-bottom: 1px solid #ddd; }
.detail-product-copy dt, .case-detail-story dt { color: #666; font-size: 12px; }
.detail-product-copy dd, .case-detail-story dd { margin: 0; font-size: 14px; }
.detail-feature-grid { display: grid; grid-template-columns: repeat(3,1fr); border-left: 1px solid rgba(255,255,255,.16); }
.detail-feature-grid article { min-height: 315px; padding: 52px; border-right: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.16); }
.detail-feature-grid b { color: #d0d1d2; font: 11px Arial; }
.detail-feature-grid h3 { margin: 60px 0 20px; font-size: 25px; font-weight: 500; }
.detail-feature-grid p { margin: 0; color: #bbb; font-size: 14px; line-height: 1.9; }
.case-detail-visual { height: min(70vw,930px); overflow: hidden; }
.case-detail-visual img { height: 100%; object-fit: cover; }
.case-detail-story { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(70px,9vw,170px); padding: 110px 0; }
.case-detail-story h2 { color: #fff; }
.case-detail-story p { color: #c7c7c7; }
.case-detail-story small, .case-detail-story dt { color: #d0d1d2; }
.case-detail-story dl { border-color: rgba(255,255,255,.2); }
.case-detail-story dl div { border-color: rgba(255,255,255,.15); }
.news-detail-article { width: min(100%,1040px); margin: 0 auto; }
.news-detail-lead { margin: 0 0 90px !important; color: #fff !important; font-size: clamp(24px,2.3vw,38px) !important; line-height: 1.65 !important; }
.news-detail-article figure { margin: 75px 0 40px; }
.news-detail-article figure img { max-height: 780px; object-fit: contain; background: #fff; }
.news-detail-article p { margin: 28px 0; color: #d0d0d0; font-size: 17px; line-height: 2.1; }
.detail-pager { margin-top: 120px; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,255,255,.18); border-left: 1px solid rgba(255,255,255,.18); }
.detail-pager a { min-width: 0; min-height: 150px; padding: 35px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); transition: .25s; }
.detail-pager a:hover { background: #fff; color: var(--ink); }
.detail-pager a:last-child { text-align: right; }
.detail-pager small { color: #d0d1d2; font: 10px Arial; letter-spacing: .18em; }
.detail-pager a:hover small { color: #666; }
.detail-pager span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 16px; }
.detail-empty { width: var(--editorial-width); min-height: calc(100vh - var(--header)); margin: 0 auto; display: grid; align-content: center; justify-items: start; }
.detail-empty h1 { margin: 20px 0; font-size: clamp(40px,6vw,80px); }
.detail-empty p { color: #bbb; }

.reference-contact-intro { padding: 90px 0 75px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 100px; align-items: end; }
.reference-contact-intro small { color: #aaa; font: 10px Arial; letter-spacing: .2em; }
.reference-contact-intro h2 { margin: 18px 0 0; font-size: clamp(36px,3.2vw,56px); font-weight: 500; line-height: 1.4; }
.reference-contact-intro p { margin: 0; color: #c1c1c1; font-size: 15px; line-height: 2; }
.contact-service-strip { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid rgba(255,255,255,.15); border-left: 1px solid rgba(255,255,255,.15); }
.contact-service-strip a { min-height: 150px; padding: 30px; display: grid; grid-template-columns: 50px 1fr; align-content: center; border-right: 1px solid rgba(255,255,255,.15); transition: .25s; }
.contact-service-strip a:hover { background: #fff; color: var(--ink); }
.contact-service-strip span { grid-row: 1 / 3; color: #888; font: 11px Arial; }
.contact-service-strip b { font-size: 19px; font-weight: 500; }
.contact-service-strip small { margin-top: 9px; color: #aaa; font-size: 12px; }
.contact-service-strip + .reference-contact-top { margin-top: 60px; }
.contact-visit-note { min-height: 100px; display: grid; grid-template-columns: 180px 1fr auto; align-items: center; gap: 30px; border-bottom: 1px solid rgba(255,255,255,.15); color: #bbb; }
.contact-visit-note > span { font: 10px Arial; letter-spacing: .18em; }
.contact-visit-note p { margin: 0; font-size: 13px; }
.contact-visit-note a { min-height: 44px; display: inline-flex; align-items: center; color: #fff; }

@media (max-width: 820px) {
  .brand-logo { width: 116px; height: 38px; }
  .news-editorial-feature, .product-detail-stage, .case-detail-story, .reference-contact-intro { grid-template-columns: 1fr; }
  .news-editorial-feature { min-height: 0; }
  .news-feature-visual { height: 68vw; min-height: 260px; }
  .news-editorial-feature .feature-news-copy { padding: 34px 24px 42px; }
  .news-editorial-archive .news-row { min-height: 112px; grid-template-columns: 92px 1fr 24px; }
  .news-editorial-archive .news-row h3 { font-size: 15px; }
  .detail-hero { min-height: 520px; padding-bottom: 60px; }
  .detail-hero h1 { font-size: 39px; }
  .detail-content { padding: 55px 0 85px; }
  .detail-product-image { min-height: 0; height: 95vw; padding: 24px; }
  .detail-product-copy { padding: 42px 24px; }
  .detail-feature-grid { grid-template-columns: 1fr; }
  .detail-feature-grid article { min-height: 230px; padding: 34px 24px; }
  .detail-feature-grid h3 { margin-top: 35px; }
  .case-detail-visual { height: 88vw; }
  .case-detail-story { gap: 35px; padding: 65px 0; }
  .news-detail-lead { margin-bottom: 55px !important; }
  .news-detail-article p { font-size: 16px; }
  .news-detail-article figure { margin-top: 50px; }
  .detail-pager { margin-top: 75px; grid-template-columns: 1fr; }
  .detail-pager a { min-height: 120px; }
  .reference-contact-intro { gap: 28px; padding: 70px 0 50px; }
  .contact-service-strip { grid-template-columns: 1fr; }
  .contact-service-strip a { min-height: 112px; }
  .contact-visit-note { padding: 24px 0; grid-template-columns: 1fr; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* 参考交大设计语言重构的宽版内页 */
.editorial-page {
  --editorial-gutter: clamp(18px, 10.42vw, 200px);
  --editorial-width: calc(100% - var(--editorial-gutter) * 2);
  background: var(--graphite-2);
}
.editorial-page main { background: var(--graphite-2); color: #fff; }
.editorial-hero { position: relative; height: clamp(430px, 27.78vw, 620px); display: flex; align-items: flex-end; overflow: hidden; background-position: center; background-size: cover; }
.editorial-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12,17,20,.68), rgba(12,17,20,.12) 62%), linear-gradient(0deg, rgba(0,0,0,.42), transparent 52%); }
.editorial-hero > div { position: relative; z-index: 1; width: var(--editorial-width); margin: 0 auto; padding-bottom: clamp(58px, 6vw, 108px); }
.editorial-hero small { color: rgba(255,255,255,.72); font: 12px/1.4 Arial, sans-serif; letter-spacing: .24em; }
.editorial-hero h1 { margin: 13px 0 12px; font-size: clamp(42px, 4.2vw, 72px); font-weight: 600; line-height: 1.05; letter-spacing: .04em; }
.editorial-hero p { margin: 0; color: rgba(255,255,255,.76); font-size: 16px; letter-spacing: .14em; }
.editorial-hero-about { background-image: url("http://weldon.test/uploads/20230614/3aa2d50dd5e6cd1a22f4d5d63e4ece96.jpg"); }
.editorial-hero-products { background-image: url("http://weldon.test/uploads/20240212/3f7655efdbf549b2aa29f705e05f0baa.jpg"); }
.editorial-hero-cases { background-image: url("http://weldon.test/uploads/20230615/6512ec721ce3555b09748f43da7e2dd5.jpg"); }
.editorial-hero-contact { background-image: url('../images/hero-campus.webp'); }
.editorial-shell { min-height: 700px; padding-bottom: 130px; background: var(--graphite-2); }
.editorial-subnav { width: var(--editorial-width); min-height: 98px; margin: 0 auto; display: grid; grid-template-columns: repeat(4,1fr); border-left: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
.editorial-subnav a { position: relative; min-height: 98px; display: grid; place-items: center; border-right: 1px solid rgba(255,255,255,.12); color: #b3b3b4; font-size: 18px; font-weight: 600; transition: color .25s, background-color .25s; }
.editorial-subnav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: #fff; transform: scaleX(0); transition: transform .3s var(--ease); }
.editorial-subnav a:hover, .editorial-subnav a.is-active { color: #fff; background: rgba(255,255,255,.035); }
.editorial-subnav a.is-active::after { transform: scaleX(1); }
.product-subnav { grid-template-columns: repeat(5,1fr); }
.contact-subnav { grid-template-columns: repeat(3,1fr); }
.editorial-breadcrumb { width: var(--editorial-width); min-height: 120px; margin: 0 auto; display: flex; align-items: center; gap: 12px; color: #b3b3b4; font-size: 14px; border-bottom: 1px solid rgba(255,255,255,.12); }
.editorial-breadcrumb a:hover { color: #fff; }
.about-section, .product-overview, .catalog-section, .case-intro, .case-catalog { width: var(--editorial-width); margin: 0 auto; padding-top: clamp(90px, 8vw, 150px); scroll-margin-top: calc(var(--header) + 22px); }
.about-section + .about-section { margin-top: clamp(90px, 8vw, 160px); padding-top: clamp(90px, 8vw, 150px); border-top: 1px solid rgba(255,255,255,.15); }
.section-kicker { margin-bottom: clamp(56px, 6vw, 105px); }
.section-kicker small, .catalog-heading small { color: #b6b6b6; font: 12px/1.3 Arial, sans-serif; letter-spacing: .22em; }
.section-kicker h2 { margin: 17px 0 0; font-size: clamp(38px, 3.2vw, 56px); font-weight: 600; line-height: 1.35; letter-spacing: -.02em; }
.profile-intro { display: grid; grid-template-columns: minmax(320px,.72fr) minmax(0,1.28fr); gap: clamp(55px, 6vw, 110px); align-items: start; }
.profile-copy p, .product-overview-grid p, .case-intro > p { color: #d0d0d0; font-size: 15px; line-height: 2.05; }
.profile-copy .profile-lead, .product-overview-grid .profile-lead { margin-top: 0; color: #fff; font-size: clamp(21px, 1.6vw, 29px); line-height: 1.7; }
.profile-figure { position: relative; margin: -30px 0 0; padding: 18px 18px 0 0; }
.profile-figure::before { content: ""; position: absolute; z-index: 0; inset: 0 0 38px 38px; border: 10px solid #fff; }
.profile-figure img { position: relative; z-index: 1; width: 100%; height: clamp(460px, 32vw, 650px); object-fit: cover; }
.profile-figure figcaption { position: relative; z-index: 1; padding: 18px 0 0 38px; color: #aaa; font: 10px Arial, sans-serif; letter-spacing: .18em; }
.profile-stats { margin-top: 100px; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.profile-stats > div { min-height: 190px; padding: 44px 34px; border-right: 1px solid rgba(255,255,255,.15); }
.profile-stats > div:last-child { border-right: 0; }
.profile-stats strong { display: block; font: 600 clamp(38px, 3.2vw, 54px)/1 Arial, sans-serif; }
.profile-stats strong::after { content: attr(data-unit); margin-left: 5px; font-size: 18px; font-weight: 400; }
.profile-stats span { display: block; margin-top: 24px; color: #bcbcbc; font-size: 14px; }
.profile-detail-grid { display: grid; grid-template-columns: repeat(2,1fr); border-left: 1px solid rgba(255,255,255,.15); }
.profile-detail-grid article { min-height: 310px; padding: 48px; border-right: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); transition: background-color .3s, color .3s; }
.profile-detail-grid article:last-child { grid-column: 1 / -1; }
.profile-detail-grid article:hover { color: var(--ink); background: #fff; }
.profile-detail-grid b { color: #aaa; font: 11px Arial; letter-spacing: .15em; }
.profile-detail-grid h3 { margin: 40px 0 18px; font-size: 26px; font-weight: 500; }
.profile-detail-grid p { margin: 0; color: #bcbcbc; font-size: 14px; line-height: 2; }
.profile-detail-grid article:hover p { color: #555; }
.culture-stage { display: grid; grid-template-columns: minmax(360px,.78fr) minmax(0,1.22fr); min-height: 760px; border-top: 1px solid rgba(255,255,255,.15); border-left: 1px solid rgba(255,255,255,.15); }
.culture-list { display: grid; grid-template-rows: repeat(8,1fr); }
.culture-list button { min-height: 88px; padding: 15px 24px; display: grid; grid-template-columns: 44px 100px 1fr; align-items: center; gap: 12px; border: 0; border-right: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); background: transparent; color: #aaa; text-align: left; cursor: pointer; transition: .25s; }
.culture-list button:hover, .culture-list button.is-active { color: #fff; background: #5e5f61; }
.culture-list button span { font: 11px Arial; }
.culture-list button b { font-size: 15px; }
.culture-list button em { font-style: normal; font-size: 12px; line-height: 1.65; }
.culture-visual { position: relative; min-width: 0; margin: 0; overflow: hidden; border-right: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); }
.culture-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.7), transparent 52%); pointer-events: none; }
.culture-visual img { width: 100%; height: 100%; object-fit: cover; transition: opacity .18s ease, transform .55s var(--ease); }
.culture-visual img.is-changing { opacity: .2; transform: scale(1.025); }
.culture-visual figcaption { position: absolute; z-index: 1; left: 7%; right: 7%; bottom: 7%; display: grid; gap: 10px; }
.culture-visual figcaption small { color: #bbb; font: 10px Arial; letter-spacing: .2em; }
.culture-visual figcaption strong { font-size: 34px; font-weight: 500; }
.culture-visual figcaption span { font-size: 17px; }
.timeline-toolbar { margin-bottom: 35px; display: flex; align-items: center; justify-content: space-between; }
.timeline-toolbar > span { color: #aaa; font: 12px Arial; letter-spacing: .2em; }
.timeline-toolbar button { width: 50px; height: 50px; border: 1px solid rgba(255,255,255,.35); background: transparent; color: white; cursor: pointer; transition: .25s; }
.timeline-toolbar button:hover { color: var(--ink); background: #fff; }
.editorial-timeline { display: grid; grid-auto-flow: column; grid-auto-columns: clamp(270px, 20vw, 390px); overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: inline mandatory; scrollbar-width: thin; scrollbar-color: #aaa transparent; border-top: 1px solid rgba(255,255,255,.34); }
.editorial-timeline article { position: relative; min-height: 335px; padding: 45px 40px 50px 0; scroll-snap-align: start; border-right: 1px solid rgba(255,255,255,.15); }
.editorial-timeline article::before { content: ""; position: absolute; left: 0; top: -6px; width: 11px; height: 11px; border-radius: 50%; background: #fff; }
.editorial-timeline time { display: block; font: 600 42px/1 Arial; }
.editorial-timeline p { max-width: 260px; margin: 92px 0 0; color: #c3c3c3; font-size: 14px; line-height: 1.9; }
.honor-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(255,255,255,.15); border-left: 1px solid rgba(255,255,255,.15); }
.honor-grid a { position: relative; min-width: 0; padding: 26px; border-right: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); transition: background-color .3s; }
.honor-grid a:hover { background: #5e5f61; }
.honor-grid > a > span { color: #999; font: 10px Arial; }
.honor-grid div { position: relative; height: 260px; margin-top: 22px; overflow: hidden; background: #eee; }
.honor-grid img { width: 100%; height: 100%; object-fit: contain; transition: transform .45s var(--ease); }
.honor-grid i { position: absolute; inset: auto 0 0; padding: 14px; background: rgba(0,0,0,.72); color: #fff; font-style: normal; font-size: 11px; opacity: 0; transform: translateY(100%); transition: .3s; }
.honor-grid a:hover img { transform: scale(1.03); }
.honor-grid a:hover i { opacity: 1; transform: none; }
.honor-grid h3 { min-height: 52px; margin: 22px 0 0; font-size: 15px; font-weight: 400; line-height: 1.7; }
.product-overview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(60px, 8vw, 150px); }
.product-overview-grid > div > p:first-child { margin-top: 0; }
.product-numbers { margin-top: 50px; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid rgba(255,255,255,.2); }
.product-numbers div { padding: 30px 18px 0 0; }
.product-numbers strong { display: block; font: 600 40px/1 Arial; }
.product-numbers span { display: block; margin-top: 14px; color: #aaa; font-size: 12px; }
.catalog-section, .case-catalog { margin-top: 120px; border-top: 1px solid rgba(255,255,255,.15); }
.catalog-heading { margin-bottom: 55px; display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.catalog-heading h2 { margin: 12px 0 0; font-size: clamp(34px, 3vw, 50px); font-weight: 500; }
.catalog-heading p { max-width: 480px; margin: 0; color: #aaa; font-size: 14px; line-height: 1.9; text-align: right; }
.catalog-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid rgba(255,255,255,.15); border-left: 1px solid rgba(255,255,255,.15); transition: opacity .13s ease, transform .13s ease; }
.catalog-grid.is-changing, .case-featured.is-changing, .project-grid.is-changing { opacity: .2; transform: translateY(8px); }
.catalog-card { min-width: 0; border-right: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); background: var(--graphite-2); transition: background-color .3s, color .3s; }
.catalog-card:hover { color: var(--ink); background: #fff; }
.catalog-card figure { height: clamp(280px, 24vw, 445px); margin: 0; padding: 28px; overflow: hidden; background: #f2f2f2; }
.catalog-card img { width: 100%; height: 100%; object-fit: contain; transition: transform .5s var(--ease); }
.catalog-card:hover img { transform: scale(1.045); }
.catalog-card > div { min-height: 175px; padding: 26px 30px; }
.catalog-card small { color: #aaa; font: 10px Arial; letter-spacing: .14em; }
.catalog-card h3 { min-height: 56px; margin: 15px 0 21px; font-size: 18px; font-weight: 500; line-height: 1.55; }
.catalog-card span { display: flex; align-items: center; justify-content: space-between; color: #aaa; font: 11px Arial; }
.catalog-card i { font-style: normal; font-size: 18px; }
.case-intro { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: end; }
.case-intro .section-kicker { margin-bottom: 0; }
.case-intro > p { margin: 0 0 8px; }
.case-featured { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: rgba(255,255,255,.15); transition: opacity .13s, transform .13s; }
.featured-project { position: relative; min-height: clamp(520px, 38vw, 730px); overflow: hidden; }
.featured-project::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.78), transparent 65%); }
.featured-project img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.featured-project:hover img { transform: scale(1.045); }
.featured-project > div { position: absolute; z-index: 1; left: 42px; right: 42px; bottom: 42px; }
.featured-project small { color: #ccc; font: 10px Arial; letter-spacing: .16em; }
.featured-project h3 { margin: 13px 0 14px; font-size: clamp(25px, 2vw, 38px); font-weight: 500; }
.featured-project p { max-width: 560px; color: #ddd; font-size: 13px; line-height: 1.85; }
.featured-project span { color: #bbb; font-size: 12px; }
.project-grid { display: grid; grid-template-columns: repeat(3,1fr); border-left: 1px solid rgba(255,255,255,.15); transition: opacity .13s, transform .13s; }
.project-card { min-width: 0; border-right: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); }
.project-card figure { height: clamp(260px, 21vw, 390px); margin: 0; overflow: hidden; }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.project-card:hover img { transform: scale(1.05); }
.project-card > div { position: relative; min-height: 150px; padding: 26px; }
.project-card small { color: #aaa; font: 10px Arial; letter-spacing: .08em; }
.project-card h3 { max-width: 82%; margin: 13px 0 0; font-size: 18px; font-weight: 500; line-height: 1.6; }
.project-card span { position: absolute; right: 25px; bottom: 27px; color: #aaa; font: 11px Arial; }
.contact-shell { padding-bottom: 0; }
.reference-contact-layout { width: var(--editorial-width); margin: 0 auto; padding: 0 0 76px; }
.reference-contact-top { position: relative; height: clamp(520px, 33.7vw, 650px); display: grid; grid-template-columns: 32% 65%; gap: 3%; }
.reference-contact-photo { position: relative; height: 100%; margin: 0; overflow: hidden; }
.reference-contact-photo::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.12); }
.reference-contact-photo img { width: 100%; height: 100%; object-fit: cover; }
.reference-contact-map { position: relative; height: 100%; overflow: hidden; background: #e6e6e6; color: var(--ink); }
.map-fallback { position: absolute; z-index: 0; inset: 0; display: grid; place-content: center; text-align: center; background: linear-gradient(27deg,transparent 49%,#d2d2d2 50%,transparent 51%) 0 0/90px 90px, linear-gradient(-17deg,transparent 48%,#c9c9c9 49%,#c9c9c9 51%,transparent 52%) 0 0/130px 130px,#e9e9e9; }
.map-fallback span { width: 20px; height: 20px; margin: 0 auto 18px; border: 5px solid #fff; border-radius: 50%; background: var(--accent); box-shadow: 0 4px 16px rgba(0,0,0,.22); }
.map-fallback b { font-size: 20px; }
.map-fallback small { margin-top: 7px; color: #666; }
.reference-contact-map .amap-container { z-index: 1; }
.weidun-map-marker { min-width: 228px; min-height: 62px; padding: 10px 14px; display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,.95); border-left: 4px solid var(--accent); box-shadow: 0 10px 30px rgba(0,0,0,.2); color: #222; }
.weidun-map-marker i { width: 12px; height: 12px; flex: 0 0 auto; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 6px rgba(214,59,47,.15); }
.weidun-map-marker div { display: grid; gap: 3px; }
.weidun-map-marker b { white-space: nowrap; font-size: 13px; }
.weidun-map-marker span { color: #777; font: 8px Arial; letter-spacing: .12em; }
.reference-contact-bar { min-height: 114px; margin-top: 60px; display: grid; grid-template-columns: .9fr .9fr 1.35fr; background: #5e5f61; }
.reference-contact-bar > div { min-width: 0; padding: 28px clamp(24px, 3vw, 58px); border-right: 1px solid rgba(255,255,255,.13); }
.reference-contact-bar > div:last-child { border-right: 0; }
.reference-contact-bar small { display: block; margin-bottom: 12px; color: #bdbdbd; font: 10px Arial; letter-spacing: .16em; }
.reference-contact-bar a, .reference-contact-bar address { color: #e3e3e3; font-style: normal; font-size: 16px; line-height: 1.6; }
.reference-contact-bar > div:first-child a { font-size: 24px; }
.reference-contact-bar span { display: block; margin-top: 4px; color: #aaa; font-size: 11px; }

@media (min-width: 2200px) {
  .editorial-page { --editorial-gutter: 200px; }
  .editorial-hero > div { padding-bottom: 130px; }
  .culture-stage { min-height: 920px; }
  .culture-list button { min-height: 108px; }
}

@media (max-width: 1100px) {
  .editorial-page { --editorial-gutter: clamp(32px, 6vw, 72px); }
  .editorial-subnav a { font-size: 15px; }
  .profile-intro { grid-template-columns: 1fr 1.15fr; gap: 50px; }
  .profile-detail-grid article { padding: 36px; }
  .culture-stage { grid-template-columns: .9fr 1.1fr; }
  .culture-list button { grid-template-columns: 35px 85px 1fr; padding-inline: 16px; }
  .honor-grid { grid-template-columns: repeat(3,1fr); }
  .catalog-grid, .project-grid { grid-template-columns: repeat(2,1fr); }
  .reference-contact-top { grid-template-columns: 36% 61%; }
  .reference-contact-bar { grid-template-columns: 1fr 1fr; }
  .reference-contact-bar > div:last-child { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.13); }
}

@media (max-width: 820px) {
  .editorial-page { --editorial-gutter: 20px; }
  .editorial-hero { height: 62vw; min-height: 290px; max-height: 430px; }
  .editorial-hero > div { padding-bottom: 36px; }
  .editorial-hero small { font-size: 9px; }
  .editorial-hero h1 { margin-block: 8px; font-size: 34px; }
  .editorial-hero p { font-size: 12px; letter-spacing: .08em; }
  .editorial-subnav, .product-subnav, .contact-subnav { min-height: 68px; display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .editorial-subnav::-webkit-scrollbar { display: none; }
  .editorial-subnav a { min-width: 132px; min-height: 68px; flex: 1 0 auto; scroll-snap-align: start; font-size: 14px; }
  .product-subnav a { min-width: 148px; }
  .contact-subnav a { min-width: 33.333%; }
  .editorial-breadcrumb { min-height: 72px; overflow-x: auto; white-space: nowrap; font-size: 12px; }
  .about-section, .product-overview, .catalog-section, .case-intro, .case-catalog { padding-top: 70px; }
  .about-section + .about-section { margin-top: 70px; padding-top: 70px; }
  .section-kicker { margin-bottom: 45px; }
  .section-kicker h2 { font-size: 32px; }
  .profile-intro, .product-overview-grid, .case-intro { grid-template-columns: 1fr; gap: 40px; }
  .profile-copy .profile-lead, .product-overview-grid .profile-lead { font-size: 20px; }
  .profile-figure { margin-top: 0; padding: 10px 10px 0 0; }
  .profile-figure::before { inset: 0 0 24px 24px; border-width: 6px; }
  .profile-figure img { height: 62vw; min-height: 260px; max-height: 440px; }
  .profile-stats { margin-top: 60px; grid-template-columns: repeat(2,1fr); }
  .profile-stats > div { min-height: 135px; padding: 30px 20px; border-bottom: 1px solid rgba(255,255,255,.15); }
  .profile-stats > div:nth-child(2) { border-right: 0; }
  .profile-stats strong { font-size: 35px; }
  .profile-stats span { margin-top: 16px; font-size: 12px; }
  .profile-detail-grid { grid-template-columns: 1fr; }
  .profile-detail-grid article, .profile-detail-grid article:last-child { grid-column: auto; min-height: 0; padding: 30px 24px; }
  .profile-detail-grid h3 { margin-top: 24px; font-size: 21px; }
  .culture-stage { display: block; min-height: 0; border-right: 1px solid rgba(255,255,255,.15); }
  .culture-list { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }
  .culture-list button { min-width: 240px; min-height: 112px; grid-template-columns: 30px 1fr; grid-template-rows: auto auto; scroll-snap-align: start; }
  .culture-list button em { grid-column: 2; }
  .culture-visual { height: 78vw; min-height: 360px; max-height: 620px; }
  .culture-visual figcaption strong { font-size: 27px; }
  .editorial-timeline { grid-auto-columns: min(78vw, 330px); }
  .editorial-timeline article { min-height: 285px; }
  .editorial-timeline p { margin-top: 68px; }
  .honor-grid { grid-template-columns: repeat(2,1fr); }
  .honor-grid a { padding: 15px; }
  .honor-grid div { height: 42vw; max-height: 260px; }
  .honor-grid h3 { font-size: 13px; }
  .product-numbers { grid-template-columns: 1fr; }
  .product-numbers div { padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,.15); }
  .catalog-section, .case-catalog { margin-top: 70px; }
  .catalog-heading { display: block; }
  .catalog-heading p { margin-top: 20px; text-align: left; }
  .catalog-grid, .project-grid { grid-template-columns: repeat(2,1fr); }
  .catalog-card figure { height: 42vw; padding: 18px; }
  .catalog-card > div { min-height: 145px; padding: 20px; }
  .catalog-card h3 { min-height: 0; font-size: 15px; }
  .case-featured { grid-template-columns: 1fr; }
  .featured-project { min-height: 70vw; }
  .featured-project > div { left: 24px; right: 24px; bottom: 25px; }
  .project-card figure { height: 38vw; }
  .project-card > div { min-height: 145px; padding: 18px; }
  .project-card h3 { max-width: 100%; font-size: 15px; }
  .project-card span { position: static; display: block; margin-top: 16px; }
  .reference-contact-layout { padding-bottom: 45px; }
  .reference-contact-top { height: auto; display: block; }
  .reference-contact-photo { height: 88vw; max-height: 560px; }
  .reference-contact-map { height: 82vw; min-height: 360px; margin-top: 18px; }
  .reference-contact-bar { margin-top: 18px; grid-template-columns: 1fr; }
  .reference-contact-bar > div, .reference-contact-bar > div:last-child { grid-column: auto; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
}

@media (max-width: 540px) {
  .editorial-page { --editorial-gutter: 16px; }
  .editorial-shell { padding-bottom: 85px; }
  .editorial-hero h1 { font-size: 29px; }
  .editorial-hero p { max-width: 85%; line-height: 1.6; }
  .section-kicker h2 { font-size: 28px; }
  .profile-copy p, .product-overview-grid p, .case-intro > p { font-size: 14px; }
  .profile-stats > div { padding-inline: 16px; }
  .profile-stats strong { font-size: 30px; }
  .honor-grid, .catalog-grid, .project-grid { grid-template-columns: 1fr; }
  .honor-grid div { height: 72vw; }
  .catalog-card figure { height: 78vw; max-height: 390px; }
  .catalog-card > div { min-height: 130px; }
  .featured-project { min-height: 100vw; }
  .project-card figure { height: 70vw; }
  .reference-contact-photo { height: 112vw; }
  .reference-contact-map { height: 105vw; }
  .reference-contact-bar > div { padding: 24px 20px; }
  .reference-contact-bar > div:first-child a { font-size: 21px; }
}

/* ========================================================================== */
/* 2026 蓝绿建筑科技视觉系统                                                   */
/* ========================================================================== */

:root {
  --ink: #0b2534;
  --graphite: #0d4160;
  --graphite-2: #f5fafb;
  --gray: #607987;
  --line: #d9e9ed;
  --paper: #ffffff;
  --soft: #f3f9fa;
  --accent: #087fc1;
  --tech-blue: #0868bd;
  --deep-blue: #073e68;
  --aqua: #13a8ad;
  --eco-green: #48bd85;
  --mint: #b9efd7;
  --glow-blue: rgba(35, 155, 224, .22);
  --glow-green: rgba(74, 203, 145, .22);
  --brand-gradient: linear-gradient(115deg, var(--tech-blue) 0%, var(--aqua) 52%, var(--eco-green) 100%);
  --brand-gradient-soft: linear-gradient(115deg, rgba(8,104,189,.1), rgba(19,168,173,.08) 52%, rgba(72,189,133,.12));
  --content: min(1660px, 91.5vw);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

html { background: #fff; }
body {
  color: var(--ink);
  background: #fff;
  font-family: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
  overflow-x: clip;
}
body::selection, ::selection { color: #fff; background: var(--aqua); }
a, button { touch-action: manipulation; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid rgba(8,127,193,.32);
  outline-offset: 4px;
}
.skip-link {
  position: fixed;
  z-index: 2000;
  left: 20px;
  top: -90px;
  padding: 11px 16px;
  color: #fff;
  background: var(--deep-blue);
  transition: top .2s ease-out;
}
.skip-link:focus-visible { top: 12px; }

/* 导航：白色玻璃顶栏 + 蓝绿状态线 */
.site-header {
  height: 76px;
  padding-inline: 4.2%;
  grid-template-columns: minmax(220px,1fr) auto 76px;
  background: rgba(255,255,255,.88);
  border-bottom-color: rgba(20,117,160,.1);
  box-shadow: 0 8px 30px rgba(16,75,101,.035);
  backdrop-filter: blur(22px) saturate(145%);
  -webkit-backdrop-filter: blur(22px) saturate(145%);
}
.site-header.is-scrolled {
  border-color: rgba(16,117,158,.16);
  box-shadow: 0 16px 45px rgba(16,75,101,.09);
}
.brand-logo { width: 142px; height: 50px; }
.nav-link { min-width: 98px; padding-inline: 19px; color: #183846; font-size: 14px; font-weight: 500; }
.nav-link::after {
  left: 20px;
  right: 20px;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--brand-gradient);
}
.nav-item.is-active .nav-link { color: var(--tech-blue); }
.nav-submenu {
  width: 226px;
  padding: 14px 20px;
  background: linear-gradient(145deg, rgba(6,65,104,.96), rgba(8,121,144,.94));
  border: 1px solid rgba(171,239,224,.2);
  box-shadow: 0 24px 60px rgba(0,53,81,.25);
  backdrop-filter: blur(18px);
}
.nav-submenu a { min-height: 44px; align-items: center; color: rgba(255,255,255,.78); border-color: rgba(255,255,255,.14); }
.header-tools { border-color: var(--line); }
.search-toggle, .menu-toggle { min-width: 44px; min-height: 44px; color: var(--deep-blue); }
.search-panel {
  background:
    radial-gradient(circle at 22% 25%, rgba(55,199,164,.3), transparent 34%),
    radial-gradient(circle at 80% 70%, rgba(28,129,206,.36), transparent 38%),
    rgba(4,42,67,.95);
  backdrop-filter: blur(24px);
}
.search-panel form > div { border-color: rgba(255,255,255,.5); }
.search-panel label, .search-panel p { color: rgba(255,255,255,.68); }
main { padding-top: 76px; }

.eyebrow, .section-kicker small, .catalog-heading small, .reference-contact-intro small {
  color: var(--tech-blue);
}
.eyebrow::before { background: var(--brand-gradient); }
.button {
  min-height: 50px;
  border-color: var(--tech-blue);
  border-radius: 2px;
  background: var(--brand-gradient);
  box-shadow: 0 12px 26px rgba(8,117,176,.16);
}
.button:hover { color: var(--tech-blue); background: #fff; box-shadow: 0 16px 34px rgba(8,117,176,.18); }
.button.is-outline { color: var(--tech-blue); border-color: rgba(8,104,189,.42); background: transparent; box-shadow: none; }
.button.is-outline:hover { color: #fff; border-color: transparent; background: var(--brand-gradient); }

/* 首页主视觉：全宽建筑影像、流动蓝绿光带和城市剪影 */
.hero {
  height: clamp(720px, calc(100svh - 76px), 980px);
  min-height: 720px;
  background: var(--deep-blue);
  isolation: isolate;
}
.hero-slides { z-index: 0; }
.hero-slide::after {
  background:
    linear-gradient(90deg, rgba(3,43,73,.78) 0%, rgba(4,73,99,.43) 42%, rgba(5,77,87,.08) 72%),
    linear-gradient(0deg, rgba(2,48,66,.58), transparent 54%),
    linear-gradient(120deg, rgba(15,133,196,.18), rgba(57,197,139,.13));
}
.hero-slide img { filter: saturate(.82) contrast(1.02); }
.hero::before {
  content: "";
  position: absolute;
  z-index: 1;
  width: 70vw;
  height: 42vw;
  right: -12vw;
  top: -22vw;
  border: 1px solid rgba(179,242,225,.32);
  border-radius: 45% 55% 62% 38% / 56% 40% 60% 44%;
  background: radial-gradient(circle at 35% 68%, rgba(99,228,181,.24), rgba(22,145,200,.08) 52%, transparent 71%);
  box-shadow: inset 0 0 90px rgba(105,232,199,.08), 0 0 100px rgba(46,180,204,.08);
  transform: rotate(-11deg);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  bottom: 0;
  height: 138px;
  opacity: .48;
  background:
    repeating-linear-gradient(90deg, transparent 0 34px, rgba(173,234,225,.18) 35px 37px),
    linear-gradient(90deg, rgba(8,104,189,.26), rgba(19,168,173,.32), rgba(72,189,133,.3));
  clip-path: polygon(0 70%,4% 70%,4% 38%,7% 38%,7% 58%,11% 58%,11% 23%,15% 23%,15% 52%,19% 52%,19% 13%,23% 13%,23% 48%,28% 48%,28% 28%,32% 28%,32% 58%,37% 58%,37% 18%,42% 18%,42% 50%,47% 50%,47% 32%,51% 32%,51% 62%,56% 62%,56% 22%,61% 22%,61% 48%,66% 48%,66% 30%,70% 30%,70% 58%,75% 58%,75% 17%,80% 17%,80% 49%,84% 49%,84% 27%,89% 27%,89% 60%,94% 60%,94% 36%,100% 36%,100% 100%,0 100%);
  pointer-events: none;
}
.hero-content {
  z-index: 2;
  width: var(--content);
  align-items: center;
  padding: 5vh 0 7vh;
}
.hero-content::before {
  content: "";
  position: absolute;
  right: 7%;
  top: 15%;
  width: min(34vw, 610px);
  aspect-ratio: 1;
  border: 1px solid rgba(204,248,235,.25);
  border-radius: 50%;
  box-shadow: 0 0 0 38px rgba(123,222,204,.035), 0 0 0 86px rgba(28,148,202,.035);
}
.hero-copy { width: min(820px, 68%); transform: translateY(-1vh); }
.hero-kicker { margin-bottom: 26px; color: rgba(215,247,241,.82); font-size: 12px; letter-spacing: .3em; }
.hero h1 { font-size: clamp(56px, 5.8vw, 108px); font-weight: 500; line-height: 1.12; letter-spacing: .015em; text-shadow: 0 8px 34px rgba(0,32,51,.24); }
.hero p { width: min(660px,100%); margin-top: 30px; color: rgba(235,249,247,.82); font-size: clamp(15px,1.08vw,19px); line-height: 1.95; }
.hero-control { right: 5.2%; bottom: 96px; width: 270px; }
.hero-count i { background: linear-gradient(90deg, rgba(255,255,255,.3), #9eedcf); }
.hero-dots button { height: 4px; border-radius: 4px; background: rgba(255,255,255,.28); }
.hero-dots button.is-active { background: linear-gradient(90deg,#7bcff4,#8ce7c5); }
.scroll-mark { color: rgba(221,248,241,.62); }

/* 首页品牌介绍：白底通透，图片嵌入首屏下沿 */
.jdd-about {
  --about-height: clamp(790px, 49vw, 980px);
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 15%, rgba(61,193,154,.14), transparent 28%),
    radial-gradient(circle at 18% 72%, rgba(27,144,209,.1), transparent 35%),
    #f8fcfc;
}
.jdd-about::before {
  background: linear-gradient(rgba(246,252,252,.9),rgba(246,252,252,.96)), url('../images/hero-campus.webp') center 62%/cover no-repeat;
  opacity: .34;
  filter: saturate(.65);
}
.jdd-about::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -34%;
  width: 58%;
  aspect-ratio: 1.5;
  border: 1px solid rgba(25,155,173,.14);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(121,224,190,.13), transparent 67%);
  transform: rotate(-12deg);
}
.jdd-about-inner { width: 91.5%; padding-top: 86px; }
.jdd-about-title h2 { color: var(--deep-blue); font-size: clamp(38px,3vw,56px); font-weight: 500; }
.jdd-about-title h2::after { content: " / QUALITY & INNOVATION"; display: block; margin-top: 13px; color: var(--aqua); font: 10px/1.4 Arial,sans-serif; letter-spacing: .24em; }
.jdd-about-title > i { height: 72px; background: linear-gradient(var(--tech-blue),rgba(72,189,133,.12)); }
.jdd-about-frame {
  top: -168px;
  width: 53%;
  padding: 14px;
  background: rgba(255,255,255,.91);
  border: 1px solid rgba(49,164,170,.22);
  box-shadow: 0 34px 90px rgba(4,74,103,.18), 0 0 55px rgba(92,215,178,.08);
  backdrop-filter: blur(16px);
}
.jdd-about-frame::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  background: var(--brand-gradient);
  opacity: .24;
  transform: translate(18px,18px);
}
.jdd-about-frame img { aspect-ratio: 1.54; }
.jdd-about-copy { width: 42%; margin-top: 58px; }
.about-lockup-logo { width: 124px; height: 62px; border: 1px solid var(--line); }
.about-lockup b { color: #153849; font-size: clamp(20px,1.3vw,25px); }
.about-lockup small { color: #66808c; }
.jdd-about-copy p { color: #526e7a; font-size: clamp(14px,1vw,17px); }
.text-link { color: var(--tech-blue); font-weight: 600; }
.jdd-metrics {
  z-index: 2;
  height: 190px;
  border-color: rgba(23,137,167,.15);
  background: rgba(255,255,255,.56);
  backdrop-filter: blur(18px);
}
.jdd-metrics > div { min-height: 100%; padding: 52px 32px; border-right: 1px solid rgba(23,137,167,.12); }
.jdd-metrics > div:last-child { border: 0; }
.jdd-metrics strong { color: var(--tech-blue); font-size: clamp(35px,2.6vw,48px); }
.jdd-metrics > div:nth-child(even) strong { color: #159f8a; }
.jdd-metrics small { color: #67818c; }

/* 核心系统：照片层与语义化双色光场 */
.service-panels { height: clamp(620px,42vw,780px); background: var(--deep-blue); }
.service-panel { border-color: rgba(210,246,237,.22); }
.service-panel::before { filter: saturate(.72) contrast(1.02); }
.service-panel::after { background: linear-gradient(180deg, rgba(3,61,101,.54), rgba(5,69,81,.76)); }
.service-panel:nth-child(2)::after { background: linear-gradient(180deg, rgba(4,89,130,.52), rgba(7,86,96,.76)); }
.service-panel:nth-child(3)::after { background: linear-gradient(180deg, rgba(6,100,120,.5), rgba(6,89,78,.76)); }
.service-panel:nth-child(4)::after { background: linear-gradient(180deg, rgba(10,110,112,.48), rgba(7,83,65,.78)); }
.service-panel:hover::after, .service-panel.is-active::after { background: linear-gradient(155deg, rgba(5,83,138,.38), rgba(26,165,139,.45)); }
.service-orbit { background: radial-gradient(circle at 35% 30%, rgba(188,246,226,.28), rgba(11,112,145,.58) 46%, rgba(5,59,83,.65)); box-shadow: 0 0 70px rgba(103,226,193,.18); }
.service-panel h2 { font-size: clamp(22px,1.5vw,29px); }
.service-panel p { color: rgba(227,248,243,.68); }

/* 首页案例与新闻：浅色大版面，避免深灰模板感 */
.jdd-projects {
  padding: 96px 0 88px;
  color: var(--ink);
  background:
    linear-gradient(128deg, rgba(13,121,189,.055), transparent 40%),
    linear-gradient(310deg, rgba(67,190,135,.08), transparent 38%),
    #fff;
}
.jdd-projects-inner, .jdd-news-inner { width: 91.5%; }
.jdd-projects h2, .jdd-news h2 { color: var(--deep-blue); font-size: clamp(34px,2.6vw,52px); font-weight: 500; }
.project-gallery { height: clamp(540px,39vw,720px); gap: 16px; }
.project-main { border-radius: 2px; box-shadow: 0 22px 65px rgba(10,81,112,.12); }
.project-main-overlay { opacity: 1; background: linear-gradient(transparent,rgba(2,46,67,.72)); }
.project-thumbs { gap: 16px; }
.project-thumbs button { border-radius: 2px; }
.project-thumbs button::after { border: 3px solid #61d4ad; }
.project-gallery-foot h3 { color: var(--deep-blue); }
.project-gallery-foot p { color: #607b87; font-size: 14px; }
.project-gallery-foot > a { color: var(--tech-blue); border-color: rgba(8,104,189,.3); }
.project-gallery-foot > a:hover { color: #fff; border-color: transparent; background: var(--brand-gradient); }
.jdd-news {
  padding: 96px 0 92px;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 22%, rgba(83,211,164,.13), transparent 26%),
    linear-gradient(135deg,#eef8fb,#f7fcfa 55%,#edf9f4);
  border-top-color: rgba(16,128,164,.13);
}
.news-tabs { border-color: rgba(19,129,160,.15); }
.news-tabs button { color: #728992; }
.news-tabs button::after { height: 3px; background: var(--brand-gradient); }
.news-tabs button.is-active { color: var(--tech-blue); }
.news-table { overflow: hidden; background: rgba(255,255,255,.78); border: 1px solid rgba(20,138,164,.13); box-shadow: 0 16px 50px rgba(17,95,119,.07); }
.news-table a { color: #4f6b77; border-color: rgba(20,138,164,.11); }
.news-table a:hover { color: var(--deep-blue); background: rgba(121,219,184,.12); }
.news-focus { overflow: hidden; color: #fff; background: linear-gradient(155deg,var(--tech-blue),var(--aqua) 58%,var(--eco-green)); box-shadow: 0 18px 50px rgba(10,116,152,.16); }
.news-focus time { color: rgba(255,255,255,.7); }

/* 内页公共框架 */
.editorial-page { --editorial-gutter: clamp(24px, 4.5vw, 92px); --editorial-width: calc(100% - var(--editorial-gutter) * 2); }
.editorial-page main, .editorial-shell, .detail-page main { color: var(--ink); background: #f6fafb; }
.editorial-hero {
  height: clamp(500px,34vw,720px);
  min-height: 500px;
  color: #fff;
  isolation: isolate;
}
.editorial-hero::before {
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(3,54,91,.77), rgba(7,103,130,.35) 55%, rgba(40,161,123,.14)),
    linear-gradient(0deg, rgba(3,54,74,.45), transparent 56%);
}
.editorial-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  right: -5%;
  bottom: -42%;
  width: 70%;
  height: 76%;
  border: 1px solid rgba(191,243,225,.26);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(75,210,160,.2), transparent 65%);
  transform: rotate(-8deg);
}
.editorial-hero > div { padding-bottom: clamp(70px,6vw,112px); }
.editorial-hero small { color: rgba(213,246,238,.78); }
.editorial-hero h1 { color: #fff; font-size: clamp(52px,5vw,88px); font-weight: 500; text-shadow: 0 10px 34px rgba(0,34,54,.2); }
.editorial-hero p { color: rgba(237,251,247,.82); font-size: clamp(14px,1vw,17px); }
.editorial-subnav {
  position: relative;
  z-index: 3;
  min-height: 90px;
  margin-top: -1px;
  border-color: rgba(19,132,164,.14);
  background: rgba(255,255,255,.9);
  box-shadow: 0 18px 45px rgba(8,83,109,.06);
  backdrop-filter: blur(18px);
}
.editorial-subnav a { min-height: 90px; color: #526f7b; border-color: rgba(19,132,164,.13); font-size: 16px; }
.editorial-subnav a::after { height: 3px; background: var(--brand-gradient); }
.editorial-subnav a:hover, .editorial-subnav a.is-active { color: var(--tech-blue); background: var(--brand-gradient-soft); }
.editorial-breadcrumb { min-height: 96px; color: #738a94; border-color: rgba(19,132,164,.13); }
.editorial-breadcrumb a:hover { color: var(--tech-blue); }
.about-section, .product-overview, .catalog-section, .case-intro, .case-catalog { padding-top: clamp(88px,7vw,132px); }
.about-section + .about-section { border-top-color: rgba(18,135,165,.14); }
.section-kicker h2 { color: var(--deep-blue); font-weight: 500; }
.section-kicker small { font-weight: 700; }
.profile-copy p, .product-overview-grid p, .case-intro > p { color: #56717d; }
.profile-copy .profile-lead, .product-overview-grid .profile-lead { color: #153f52; }
.profile-figure { padding: 14px 14px 0 0; }
.profile-figure::before { border-color: transparent; background: var(--brand-gradient); opacity: .58; }
.profile-figure figcaption { color: #68818b; }
.profile-stats {
  border-color: rgba(16,134,164,.15);
  background: rgba(255,255,255,.7);
  box-shadow: 0 20px 55px rgba(14,98,121,.07);
}
.profile-stats > div { border-color: rgba(16,134,164,.13); }
.profile-stats strong, .product-numbers strong { color: var(--tech-blue); }
.profile-stats > div:nth-child(even) strong, .product-numbers div:nth-child(even) strong { color: #169e86; }
.profile-stats span, .product-numbers span { color: #68818c; }
.profile-detail-grid, .catalog-grid, .project-grid, .honor-grid { border-color: rgba(16,134,164,.14); }
.profile-detail-grid article, .catalog-card, .project-card, .honor-grid a { color: var(--ink); border-color: rgba(16,134,164,.14); background: rgba(255,255,255,.72); }
.profile-detail-grid article:hover, .catalog-card:hover, .honor-grid a:hover { background: linear-gradient(145deg,#fff,#eefaf6); box-shadow: inset 3px 0 0 #2cb497; }
.profile-detail-grid b, .catalog-card small, .project-card small { color: var(--aqua); }
.profile-detail-grid p { color: #607986; }
.culture-stage { border-color: rgba(16,134,164,.14); background: #fff; box-shadow: 0 20px 60px rgba(11,91,116,.07); }
.culture-list button { color: #617b86; border-color: rgba(16,134,164,.13); }
.culture-list button:hover, .culture-list button.is-active { color: #fff; background: linear-gradient(112deg,var(--tech-blue),var(--aqua) 62%,var(--eco-green)); }
.culture-visual { border-color: rgba(16,134,164,.13); }
.timeline-toolbar > span { color: #68818b; }
.timeline-toolbar button { color: var(--tech-blue); border-color: rgba(8,104,189,.35); }
.timeline-toolbar button:hover { color: #fff; border-color: transparent; background: var(--brand-gradient); }
.editorial-timeline { border-color: rgba(16,134,164,.3); scrollbar-color: var(--aqua) transparent; }
.editorial-timeline article { border-color: rgba(16,134,164,.14); }
.editorial-timeline article::before { background: var(--aqua); box-shadow: 0 0 0 5px rgba(19,168,173,.13); }
.editorial-timeline time { color: var(--tech-blue); }
.editorial-timeline p { color: #607986; }
.honor-grid div { background: #eef6f7; }
.honor-grid h3 { color: #284958; }
.product-numbers { border-color: rgba(16,134,164,.15); }
.catalog-section, .case-catalog { border-color: rgba(16,134,164,.14); }
.catalog-heading h2 { color: var(--deep-blue); }
.catalog-heading p { color: #68818b; }
.catalog-card figure { background: linear-gradient(145deg,#f8fbfb,#eaf4f5); }
.catalog-card > div { background: rgba(255,255,255,.72); }
.catalog-card h3 { color: #173b4c; }
.catalog-card span, .catalog-card small { color: #66828d; }
.catalog-card i { color: var(--tech-blue); }
.case-featured { gap: 16px; background: transparent; }
.featured-project { box-shadow: 0 22px 60px rgba(6,70,97,.14); }
.featured-project::after { background: linear-gradient(0deg,rgba(3,51,72,.82),transparent 67%); }
.project-grid { gap: 0; }
.project-card { min-height: 0; background: #fff; }
.case-catalog .project-card::after { display: none; }
.case-catalog .project-card img { position: static; }
.project-card > div { background: #fff; }
.project-card h3 { color: #173b4c; }
.project-card span { color: var(--tech-blue); }

/* 新闻与详情页 */
.news-editorial-feature { overflow: hidden; border: 1px solid rgba(16,134,164,.13); box-shadow: 0 28px 70px rgba(11,92,117,.1); }
.news-editorial-feature .feature-news-copy h2 { color: var(--deep-blue); }
.news-editorial-feature .feature-news-copy p { color: #5a7580; }
.news-editorial-archive { border-color: rgba(16,134,164,.18); }
.news-editorial-archive .news-row { color: #254655; border-color: rgba(16,134,164,.14); }
.news-editorial-archive .news-row time, .news-editorial-archive .news-row div small { color: #6f8892; }
.news-editorial-archive .news-row:hover { color: var(--deep-blue); background: linear-gradient(90deg,rgba(28,151,203,.08),rgba(72,189,133,.1)); }
.detail-page main {
  background:
    radial-gradient(circle at 82% 12%, rgba(77,208,158,.13), transparent 25%),
    linear-gradient(145deg,#f4fafb,#fff 46%,#f0faf5);
}
.detail-hero { min-height: 620px; border-color: rgba(16,134,164,.16); }
.detail-hero::before {
  content: "";
  position: absolute;
  inset: 76px 0 auto;
  height: 410px;
  z-index: -1;
  background: linear-gradient(115deg,rgba(13,113,190,.09),rgba(18,171,173,.08),rgba(72,189,133,.11));
  clip-path: polygon(0 18%,72% 0,100% 28%,100% 84%,27% 100%,0 72%);
}
.detail-back { color: #5f7a86; }
.detail-back a:hover { color: var(--tech-blue); }
.detail-hero > small { color: var(--aqua); }
.detail-hero h1 { color: var(--deep-blue); }
.detail-hero > p { color: #597580; }
.detail-content { padding-top: 80px; }
.product-detail-stage { overflow: hidden; border: 1px solid rgba(16,134,164,.13); box-shadow: 0 28px 80px rgba(9,91,118,.1); }
.detail-product-image { background: linear-gradient(145deg,#edf7f8,#f9fcfc); }
.detail-product-copy > small, .case-detail-story small { color: var(--aqua); }
.detail-product-copy h2, .case-detail-story h2 { color: var(--deep-blue); }
.detail-product-copy > p, .case-detail-story p { color: #5c7681; }
.detail-product-copy dl, .case-detail-story dl, .detail-product-copy dl div, .case-detail-story dl div { border-color: rgba(16,134,164,.16); }
.detail-product-copy dt, .case-detail-story dt { color: #6a838e; }
.detail-feature-grid { margin-top: 16px; border-color: rgba(16,134,164,.14); }
.detail-feature-grid article { color: var(--ink); border-color: rgba(16,134,164,.14); background: rgba(255,255,255,.72); }
.detail-feature-grid b { color: var(--aqua); }
.detail-feature-grid h3 { color: var(--deep-blue); }
.detail-feature-grid p { color: #607a85; }
.case-detail-visual { border-radius: 2px; box-shadow: 0 26px 75px rgba(7,77,104,.14); }
.case-detail-story h2 { color: var(--deep-blue); }
.case-detail-story p { color: #5e7883; }
.case-detail-story small, .case-detail-story dt { color: var(--aqua); }
.news-detail-lead { color: var(--deep-blue) !important; }
.news-detail-article p { color: #4e6d7a; }
.news-detail-article figure { padding: 12px; background: #fff; box-shadow: 0 18px 60px rgba(7,78,104,.1); }
.detail-pager { border-color: rgba(16,134,164,.16); }
.detail-pager a { color: #274a59; border-color: rgba(16,134,164,.16); }
.detail-pager a:hover { color: #fff; background: var(--brand-gradient); }
.detail-pager small { color: #6a858f; }
.detail-pager a:hover small { color: rgba(255,255,255,.76); }

/* 联系我们 */
.reference-contact-intro h2 { color: var(--deep-blue); }
.reference-contact-intro p { color: #5d7883; }
.contact-service-strip { border-color: rgba(16,134,164,.14); background: #fff; box-shadow: 0 18px 55px rgba(10,92,117,.07); }
.contact-service-strip a { color: #294b59; border-color: rgba(16,134,164,.14); }
.contact-service-strip a:hover { color: #fff; background: var(--brand-gradient); }
.contact-service-strip span { color: var(--aqua); }
.contact-service-strip a:hover span, .contact-service-strip a:hover small { color: rgba(255,255,255,.74); }
.contact-service-strip small { color: #6b8590; }
.reference-contact-photo, .reference-contact-map { box-shadow: 0 24px 70px rgba(8,81,107,.12); }
.map-fallback {
  background:
    radial-gradient(circle at 67% 42%, rgba(76,205,151,.22), transparent 16%),
    linear-gradient(27deg,transparent 49%,rgba(26,155,178,.13) 50%,transparent 51%) 0 0/90px 90px,
    linear-gradient(-17deg,transparent 48%,rgba(55,188,145,.14) 49%,rgba(55,188,145,.14) 51%,transparent 52%) 0 0/130px 130px,
    linear-gradient(135deg,#e8f5f8,#eff9f4);
}
.map-fallback::before, .map-fallback::after {
  content: "";
  position: absolute;
  pointer-events: none;
}
.map-fallback::before {
  inset: 9% 7%;
  border: 1px solid rgba(8,127,193,.13);
  background: repeating-linear-gradient(90deg,transparent 0 70px,rgba(8,127,193,.07) 71px 72px);
  clip-path: polygon(0 15%,22% 0,45% 11%,66% 4%,100% 24%,91% 52%,100% 77%,73% 100%,51% 88%,27% 100%,4% 72%,12% 43%);
}
.map-fallback::after {
  left: 12%;
  right: 10%;
  top: 48%;
  height: 3px;
  border-radius: 100%;
  background: linear-gradient(90deg,transparent,var(--tech-blue),var(--eco-green),transparent);
  box-shadow: 0 0 20px rgba(19,168,173,.22);
  transform: rotate(-8deg);
}
.map-fallback > * { position: relative; z-index: 1; }
.map-fallback span { background: var(--eco-green); box-shadow: 0 0 0 7px rgba(72,189,133,.16); }
.weidun-map-marker { border-left-color: var(--eco-green); }
.weidun-map-marker i { background: var(--eco-green); box-shadow: 0 0 0 6px rgba(72,189,133,.16); }
.reference-contact-bar { background: linear-gradient(115deg,var(--deep-blue),#087d9d 58%,#24a77c); box-shadow: 0 22px 60px rgba(6,76,100,.18); }
.reference-contact-bar small { color: rgba(255,255,255,.63); }
.reference-contact-bar a, .reference-contact-bar address { color: #fff; }
.reference-contact-bar span { color: rgba(255,255,255,.68); }
.contact-visit-note { color: #607b86; border-color: rgba(16,134,164,.15); }
.contact-visit-note > span { color: var(--aqua); }
.contact-visit-note a { color: var(--tech-blue); }

/* 页尾：深蓝至生态绿的品牌收束 */
.site-footer {
  position: relative;
  overflow: hidden;
  padding-top: 84px;
  background:
    radial-gradient(circle at 82% -10%, rgba(76,201,143,.28), transparent 32%),
    linear-gradient(125deg,#052f52 0%,#075878 58%,#126e66 100%);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .16;
  background: repeating-linear-gradient(115deg,transparent 0 52px,rgba(191,243,225,.22) 53px 54px);
  pointer-events: none;
}
.footer-main, .footer-direct, .footer-bottom { position: relative; }
.footer-logo { width: 126px; height: 46px; padding: 5px; border-radius: 2px; background: rgba(255,255,255,.94); }
.footer-contact > p, .footer-links a, .footer-bottom { color: rgba(230,248,243,.64); }
.footer-links > div > a:first-child, .footer-phone { color: #fff; }
.footer-links a:hover, .footer-direct a:hover { color: #9af0cf; }
.footer-direct { border-color: rgba(214,247,237,.18); color: rgba(230,248,243,.64); }

/* 运动、响应式与可访问性 */
.js [data-reveal] { transition-duration: .72s; }
@media (hover:hover) {
  .catalog-card:hover img, .project-card:hover img, .featured-project:hover img { transform: scale(1.035); }
  .button:active, .catalog-card:active, .project-card:active { transform: translateY(1px); }
}

@media (min-width: 1600px) {
  .jdd-about-inner, .jdd-projects-inner, .jdd-news-inner { width: 84%; }
  .hero-copy { width: min(900px,65%); }
  .jdd-about-frame { width: 54%; top: -190px; }
}

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 210px auto 64px; padding-inline: 28px; }
  .nav-link { min-width: 78px; padding-inline: 11px; font-size: 13px; }
  .hero { min-height: 650px; height: min(850px,calc(100svh - 76px)); }
  .hero-copy { width: 72%; }
  .jdd-about-frame { top: -110px; }
  .jdd-about-copy { width: 44%; }
  .editorial-page { --editorial-gutter: clamp(28px,5vw,56px); }
}

@media (max-width: 820px) {
  :root { --header: 68px; --content: calc(100vw - 36px); }
  .site-header { height: 68px; padding-inline: 18px; grid-template-columns: 1fr auto; }
  .brand-logo { width: 116px; height: 40px; }
  main { padding-top: 68px; }
  .site-nav { background: linear-gradient(160deg,#f9fefe,#edf9f6); }
  .nav-link { min-height: 58px; color: var(--deep-blue); }
  .nav-submenu { background: transparent; border: 0; box-shadow: none; }
  .hero { height: min(820px,calc(100dvh - 68px)); min-height: 610px; }
  .hero::before { width: 110vw; height: 72vw; right: -40vw; top: -20vw; }
  .hero::after { height: 90px; }
  .hero-content { align-items: flex-end; padding-bottom: 112px; }
  .hero-content::before { display: none; }
  .hero-copy { width: 100%; }
  .hero h1 { font-size: clamp(42px,11vw,68px); }
  .hero p { font-size: 15px; line-height: 1.85; }
  .hero-control { left: 18px; right: auto; bottom: 45px; width: 220px; }
  .scroll-mark { display: none; }
  .jdd-about { --about-height: auto; padding-bottom: 0; }
  .jdd-about-inner { width: calc(100% - 36px); height: auto; padding: 60px 0 0; }
  .jdd-about-title > i { height: 42px; margin-top: 24px; }
  .jdd-about-frame { position: relative; top: auto; width: calc(100% + 18px); margin: 32px -9px 0; }
  .jdd-about-copy { width: 100%; margin: 48px 0 50px; }
  .jdd-metrics { position: relative; height: auto; grid-template-columns: repeat(2,1fr); }
  .jdd-metrics > div { padding: 30px 18px; border-bottom: 1px solid rgba(23,137,167,.12); }
  .jdd-metrics > div:nth-child(2) { border-right: 0; }
  .service-panels { height: auto; grid-template-columns: repeat(2,1fr); }
  .service-panel { min-height: 58vw; border-bottom: 1px solid rgba(255,255,255,.2); }
  .project-gallery { height: 72vw; min-height: 430px; grid-template-columns: 1fr; }
  .project-thumbs { display: none; }
  .project-gallery-foot { align-items: start; flex-direction: column; gap: 28px; }
  .news-layout { grid-template-columns: 1fr; }
  .news-focus { grid-template-rows: 250px auto 60px; }
  .editorial-page { --editorial-gutter: 18px; }
  .editorial-hero { height: 66vw; min-height: 350px; max-height: 520px; }
  .editorial-hero h1 { font-size: 40px; }
  .editorial-subnav a { min-height: 68px; }
  .profile-detail-grid article:hover, .catalog-card:hover, .honor-grid a:hover { box-shadow: none; }
  .case-featured { gap: 12px; }
  .detail-hero { min-height: 500px; }
  .detail-hero::before { top: 68px; }
  .site-footer { padding-top: 56px; }
}

@media (max-width: 540px) {
  .hero { min-height: 590px; }
  .hero-kicker { max-width: 84%; font-size: 10px; line-height: 1.6; }
  .hero h1 { font-size: 40px; }
  .hero p { margin-top: 22px; font-size: 14px; }
  .jdd-about-title h2 { font-size: 32px; }
  .about-lockup { align-items: flex-start; }
  .about-lockup-logo { width: 100px; }
  .about-lockup b { font-size: 17px; }
  .service-panels { grid-template-columns: 1fr; }
  .service-panel { min-height: 72vw; }
  .jdd-projects, .jdd-news { padding-block: 68px; }
  .project-gallery { height: 94vw; min-height: 380px; }
  .news-table a { min-height: 90px; padding-inline: 18px; grid-template-columns: 88px 1fr 20px; }
  .editorial-hero { min-height: 330px; }
  .editorial-hero h1 { font-size: 34px; }
  .editorial-hero p { max-width: 100%; letter-spacing: .04em; }
  .detail-hero h1 { font-size: 36px; }
  .detail-back { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .hero-slide img, .catalog-card img, .project-card img, .featured-project img { transform: none !important; }
}