@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

:root {
  --surface: #f8f9ff;
  --surface-low: #eff4ff;
  --surface-high: #dce9ff;
  --ink: #0b1c30;
  --muted: #5d6674;
  --line: #d8dde8;
  --blue: #0051d5;
  --blue-bright: #1768ed;
  --navy: #101b31;
  --white: #fff;
  --shadow: 0 18px 42px rgba(23, 45, 83, .08);
  --radius: 24px;
  --container: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--surface); font-family: Inter, "Noto Sans SC", "Microsoft YaHei", sans-serif; line-height: 1.65; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { padding: 64px 0; }
.section--soft { background: var(--surface-low); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }
.section-title { margin: 0; font-family: Montserrat, "Noto Sans SC", sans-serif; font-size: clamp(28px, 3vw, 40px); line-height: 1.25; letter-spacing: -.025em; }
.section-lead { max-width: 680px; margin: 12px 0 0; color: var(--muted); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 38px; }
.btn { min-height: 46px; padding: 0 25px; border: 1px solid var(--line); border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--white); color: var(--ink); font-weight: 700; cursor: pointer; transition: transform .2s, border-color .2s, background .2s, color .2s; }
.btn:hover { transform: translateY(-2px); border-color: var(--ink); }
.btn--primary { color: #fff; background: var(--blue); border-color: var(--blue); }
.btn--dark { color: #fff; background: #06090d; border-color: #06090d; }
.btn--light { color: #fff; border-color: rgba(255,255,255,.6); background: rgba(255,255,255,.08); backdrop-filter: blur(8px); }
.btn--small { min-height: 40px; padding-inline: 20px; font-size: 14px; }

.site-header { position: sticky; top: 0; z-index: 100; border-bottom: 1px solid rgba(216,221,232,.8); background: rgba(255,255,255,.94); backdrop-filter: blur(14px); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.header-right { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }
.header-company { display: flex; flex-direction: column; justify-content: center; line-height: 1.3; }
.header-company-name { font-size: 15px; font-weight: 700; color: var(--ink); white-space: nowrap; letter-spacing: -.01em; }
.header-company-sub { font-size: 11px; color: var(--muted); white-space: nowrap; margin-top: 1px; }
.header-phone { display: inline-flex; align-items: center; gap: 5px; font-size: 16px; font-weight: 700; color: var(--ink); white-space: nowrap; letter-spacing: .02em; }
.header-phone svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--ink); opacity: .7; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand-mark { display: inline-block; line-height: 0; }
.brand-mark img { display: block; width: 36px; height: 36px; }
.brand-name { font: 700 20px/1 Montserrat, "Noto Sans SC", sans-serif; letter-spacing: -.03em; }
.main-nav { display: flex; align-items: center; gap: 36px; height: 100%; }
.main-nav a { height: 100%; display: flex; align-items: center; position: relative; font-size: 14px; font-weight: 600; color: #303846; }
.main-nav a::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 0; height: 2px; background: var(--blue); transition: width .2s, left .2s; }
.main-nav a:hover, .main-nav a.active { color: var(--blue); }
.main-nav a:hover::after, .main-nav a.active::after { left: 0; width: 100%; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 0; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; margin: 5px auto; background: var(--ink); }

.hero { position: relative; min-height: 590px; display: grid; align-items: center; overflow: hidden; color: #fff; background: var(--navy); }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,20,39,.92) 0%, rgba(8,20,39,.70) 48%, rgba(8,20,39,.20) 100%); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.035); transition: opacity .8s ease, transform 6s ease; }
.hero-bg.active { opacity: 1; transform: scale(1); }
.hero-content { position: relative; z-index: 2; max-width: 760px; padding: 70px 0; }
.hero-label { display: inline-flex; padding: 5px 12px; border-radius: 999px; margin-bottom: 20px; background: rgba(21,103,237,.24); color: #d9e6ff; font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.hero h1 { margin: 0 0 20px; font-family: Montserrat, "Noto Sans SC", sans-serif; font-size: clamp(38px, 4.1vw, 56px); font-weight: 800; line-height: 1.16; letter-spacing: -.04em; white-space: nowrap; }
.hero h1.hero-headline { white-space: normal; }
.hero-headline .hero-line { display: block; }
.hero-headline .accent { color: #b8d0f5; }
.page-hero h1.hero-headline { font-weight: 800; line-height: 1.18; letter-spacing: -.035em; }
.hero p { max-width: 600px; margin: 0 0 32px; color: rgba(255,255,255,.82); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-dots { position: absolute; z-index: 3; bottom: 24px; left: 50%; display: flex; gap: 9px; transform: translateX(-50%); }
.hero-dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.35); cursor: pointer; transition: transform .2s, background .2s; }
.hero-dots button.active { background: #fff; transform: scale(1.25); }

.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-card { min-height: 245px; padding: 30px; position: relative; overflow: hidden; border: 1px solid rgba(216,221,232,.75); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.info-icon { width: 52px; height: 52px; margin-bottom: 30px; position: relative; border-radius: 15px; display: grid; place-items: center; color: var(--blue); background: #e5eeff; }
.info-icon--solid { color: #fff; background: var(--blue); font-weight: 600; font-size: 22px; line-height: 1; }
.info-icon--solid svg { width: 26px; height: 26px; display: block; }
.info-icon::before, .info-icon::after { content: ""; position: absolute; box-sizing: border-box; }
.info-icon--inspect::before { width: 21px; height: 21px; border: 2.5px solid currentColor; border-radius: 50%; transform: translate(-3px, -3px); }
.info-icon--inspect::after { width: 10px; height: 2.5px; border-radius: 999px; background: currentColor; transform: translate(9px, 9px) rotate(45deg); transform-origin: left center; }
.info-icon--local::before { width: 22px; height: 22px; border: 2.5px solid currentColor; border-radius: 50% 50% 50% 0; transform: translateY(-3px) rotate(-45deg); }
.info-icon--local::after { width: 6px; height: 6px; border: 2px solid currentColor; border-radius: 50%; transform: translateY(-6px); }
.info-icon--authorized::before { width: 24px; height: 28px; background: currentColor; clip-path: polygon(50% 0, 92% 16%, 86% 70%, 50% 100%, 14% 70%, 8% 16%); }
.info-icon--authorized::after { width: 7px; height: 13px; border-right: 2.5px solid #fff; border-bottom: 2.5px solid #fff; transform: translateY(-2px) rotate(45deg); }
.info-card h3 { margin: 0 0 12px; font-size: 20px; }
.info-card p { margin: 0; color: var(--muted); font-size: 14px; }
.info-index { position: absolute; top: 0; right: 22px; color: rgba(11,28,48,.05); font: 700 58px Montserrat, sans-serif; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-grid--four { grid-template-columns: repeat(4, 1fr); }
.product-card { display: flex; flex-direction: column; min-width: 0; padding: 14px; border: 1px solid rgba(216,221,232,.65); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s; }
.product-card:hover { transform: translateY(-6px); box-shadow: 0 22px 50px rgba(23,45,83,.14); }
.product-image { position: relative; aspect-ratio: 4/3; border-radius: 18px; display: grid; place-items: center; overflow: hidden; background: #f4f6fa; }
.product-image img { width: 100%; height: 100%; padding: 18px; object-fit: contain; transition: transform .3s; }
.product-card:hover .product-image img { transform: scale(1.035); }
.product-badge { position: absolute; top: 12px; right: 12px; padding: 4px 9px; border: 1px solid var(--line); border-radius: 6px; color: #d80000; background: #fff; font-size: 10px; font-weight: 800; display: inline-flex; align-items: center; gap: 5px; }
.product-badge .brand-dot { width: 7px; height: 7px; border-radius: 50%; background: #d80000; }
.product-body { padding: 22px 8px 8px; display: flex; flex: 1; flex-direction: column; }
.product-kicker { margin-bottom: 8px; color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.product-card h3 { margin: 0 0 18px; font: 700 21px/1.4 Montserrat, "Noto Sans SC", sans-serif; }
.product-card p { margin: 0 0 20px; color: var(--muted); font-size: 14px; }
.product-card .card-actions { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); display: flex; gap: 10px; }
.product-card .card-actions .btn { flex: 1; }
.empty-state { padding: 64px 24px; grid-column: 1/-1; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); background: #fff; }

.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-card { min-height: 270px; padding: 24px; position: relative; display: flex; align-items: end; overflow: hidden; border-radius: 22px; color: #fff; }
.service-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.service-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,15,30,.85), rgba(5,15,30,.06)); }
.service-card h3 { z-index: 1; margin: 0; font-size: 20px; }
.trust-strip { padding: 58px 0; overflow: hidden; border-block: 1px solid var(--line); background: #fff; }
.trust-head { margin-bottom: 28px; text-align: center; }
.trust-head h2 { margin: 7px 0 0; font-size: clamp(24px,3vw,34px); }
.logo-marquee { width: 100%; overflow: hidden; mask-image: linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent); }
.logo-track { width: max-content; display: flex; animation: partner-scroll 22s linear infinite; }
.logo-marquee:hover .logo-track { animation-play-state: paused; }
.logo-set { display: flex; align-items: center; gap: 22px; padding-right: 22px; }
.partner-logo { width: 280px; height: 110px; padding: 10px 20px; border: 1px solid #e5e9f1; border-radius: 16px; display: grid; place-items: center; background: #fff; box-shadow: 0 10px 30px rgba(20,39,69,.06); overflow: visible; }
.partner-logo img { display: block; max-width: 100%; max-height: 70px; width: auto; height: auto; object-fit: contain; filter: saturate(.9); transition: transform .25s, filter .25s; }
.partner-logo img[src*="logo-oxford"] { max-height: 42px; }
.partner-logo img[src*="logo-hitachi"] { max-height: 96px; }
.partner-logo img[src*="logo-bruker"] { max-height: 78px; }
.partner-logo img[src*="logo-thermo"] { max-height: 76px; }
.partner-logo:hover img { transform: scale(1.04); filter: saturate(1); }
@keyframes partner-scroll { to { transform: translateX(-50%); } }
.cta { padding: 58px; display: flex; align-items: center; justify-content: space-between; gap: 32px; border-radius: 30px; color: #fff; background: var(--navy); }
.cta h2 { margin: 0 0 8px; font: 700 clamp(26px,3vw,38px)/1.3 Montserrat, "Noto Sans SC", sans-serif; }
.cta p { margin: 0; color: rgba(255,255,255,.72); }

.page-hero { min-height: 590px; position: relative; display: grid; align-items: center; overflow: hidden; color: #fff; background: var(--navy); }
.page-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12,28,51,.86), rgba(12,28,51,.28)); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { max-width: 720px; margin: 0 0 14px; font: 700 clamp(34px,4vw,52px)/1.22 Montserrat, "Noto Sans SC", sans-serif; }
body[data-page="contact"] .page-hero h1 { white-space: nowrap; }
.page-hero p { max-width: 660px; margin: 0; color: rgba(255,255,255,.82); font-size: 17px; }
.catalog-head { padding: 62px 0 34px; }
.catalog-head h1 { margin: 0; font: 700 clamp(34px,4vw,48px)/1.2 Montserrat, "Noto Sans SC", sans-serif; }
.catalog-tools { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-btn { min-height: 40px; padding: 0 20px; border: 1px solid #c9ced8; border-radius: 999px; color: var(--ink); background: #fff; cursor: pointer; font-size: 14px; }
.filter-btn.active { color: #fff; border-color: #05070a; background: #05070a; }
.search-box { min-width: 270px; height: 42px; padding: 0 17px; border: 1px solid transparent; border-radius: 999px; outline: none; background: #edf2fc; }
.search-box:focus { border-color: var(--blue); }
.catalog-section { min-height: 620px; padding: 24px 0 84px; }

.detail-main { padding: 58px 0 84px; }
.breadcrumb { margin-bottom: 24px; color: var(--muted); font-size: 13px; }
.breadcrumb a:hover { color: var(--blue); }
.detail-hero { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(360px,.95fr); gap: 44px; align-items: stretch; }
.detail-media { min-height: 510px; padding: 36px; border-radius: var(--radius); display: grid; place-items: center; overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.detail-media img { max-height: 440px; width: 100%; object-fit: contain; }
.detail-copy { padding: 18px 0; }
.detail-copy h1 { margin: 8px 0 16px; font: 700 clamp(32px,4vw,50px)/1.18 Montserrat, "Noto Sans SC", sans-serif; letter-spacing: -.035em; }
.detail-copy .summary { color: var(--muted); font-size: 17px; }
.tag-list { margin: 24px 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tag { padding: 5px 10px; border: 1px solid #c9d7ee; border-radius: 6px; color: #344054; background: #eaf1ff; font-size: 11px; font-weight: 700; }
.detail-actions { margin-top: 32px; display: flex; gap: 12px; }
.detail-actions .btn { flex: 1; min-height: 52px; }
.detail-section { padding-top: 76px; }
.detail-section h2 { margin: 0 0 28px; text-align: center; font: 700 32px/1.3 Montserrat, "Noto Sans SC", sans-serif; }
.highlight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.highlight-card { min-height: 210px; padding: 28px; border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.highlight-card .number { width: 40px; height: 40px; margin-bottom: 24px; border-radius: 12px; display: grid; place-items: center; color: var(--blue); background: #e5eeff; font-weight: 800; }
.highlight-card h3 { margin: 0 0 10px; }
.highlight-card p { margin: 0; color: var(--muted); font-size: 14px; }
.spec-wrap { overflow: hidden; border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { padding: 18px 24px; border-bottom: 1px solid var(--line); text-align: left; }
.spec-table th { width: 32%; background: #e6eeff; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.raw-content { overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.raw-frame { width: 100%; min-height: 720px; border: 0; background: #fff; }
.markdown-content { padding: 40px; }
.markdown-content img { max-height: 620px; margin: 24px auto; object-fit: contain; }
.markdown-content table { width: 100%; border-collapse: collapse; }
.markdown-content th, .markdown-content td { padding: 12px; border: 1px solid var(--line); text-align: left; }
.detail-module-split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.application-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.application-case-card { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
.application-case-card h3 { margin: 0 0 9px; font-size: 20px; }
.application-case-card p { margin: 0; color: var(--muted); line-height: 1.75; }
.application-grid--image .application-case-card { padding: 0; overflow: hidden; }
.application-grid--image .application-case-card img { width: 100%; height: 220px; object-fit: cover; background: #edf1f7; }
.application-grid--image .application-case-card div { padding: 24px; }
.detail-module-split .highlight-grid { grid-template-columns: 1fr; }
.detail-module-split h2 { font-size: 26px; }

.about-hero { min-height: 480px; position: relative; display: grid; align-items: center; overflow: hidden; color: #fff; background: #0b1629; }
.about-hero::before { content: ""; position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg,#000 0%,rgba(0,0,0,.6) 55%,transparent 100%); }
.about-hero::after { content: ""; position: absolute; width: 380px; height: 380px; left: 44%; bottom: -250px; border-radius: 50%; background: #0d5de8; filter: blur(2px); opacity: .30; }
.about-hero-grid { min-height: 480px; position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0,1.05fr) minmax(380px,.95fr); gap: clamp(40px,5vw,86px); align-items: center; padding-block: 64px; }
.about-hero-copy { max-width: 720px; }
.about-hero-kicker { margin: 0 0 12px; color: #7baaff; font-size: 13px; font-weight: 700; letter-spacing: .13em; }
.about-hero h1 { margin: 0 0 22px; font: 700 clamp(38px,4.2vw,58px)/1.14 Montserrat, "Noto Sans SC", sans-serif; letter-spacing: -.04em; }
.about-hero-lead { max-width: 650px; margin: 0; color: rgba(255,255,255,.76); font-size: 18px; line-height: 1.9; }
.about-hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.about-hero-facts { margin: 44px 0 0; padding-top: 26px; display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; border-top: 1px solid rgba(255,255,255,.16); }
.about-hero-facts div { min-width: 0; }
.about-hero-facts dt { color: #fff; font: 700 clamp(22px,2vw,30px)/1.1 Montserrat, "Noto Sans SC", sans-serif; }
.about-hero-facts dd { margin: 7px 0 0; color: rgba(255,255,255,.5); font-size: 12px; }
.about-founder-visual { width: min(100%,560px); margin: 0 0 0 auto; position: relative; }
.about-founder-visual::before { content: "08 YEARS"; position: absolute; z-index: -1; top: 16px; right: -48px; color: rgba(255,255,255,.1); font: 700 13px/1 Montserrat, sans-serif; letter-spacing: .26em; writing-mode: vertical-rl; }
.about-founder-photo { position: relative; aspect-ratio: 4/5; overflow: hidden; border-radius: 34px 34px 8px 34px; background: #dfe4ec; box-shadow: 0 34px 80px rgba(0,0,0,.35); }
.about-founder-photo::after { content: ""; position: absolute; inset: 12px; border: 1px solid rgba(255,255,255,.5); border-radius: 25px 25px 3px 25px; pointer-events: none; }
.about-founder-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 58% center; }
.about-founder-visual figcaption { width: min(330px,76%); position: absolute; left: -44px; bottom: 28px; padding: 22px 24px; display: grid; border-left: 4px solid #ff4d43; color: var(--ink); background: rgba(255,255,255,.96); box-shadow: 0 22px 54px rgba(3,12,27,.28); backdrop-filter: blur(12px); }
.about-founder-visual figcaption span { color: var(--blue); font: 700 10px/1 Montserrat, sans-serif; letter-spacing: .13em; }
.about-founder-visual figcaption strong { margin-top: 8px; font: 700 28px/1.15 Montserrat, "Noto Sans SC", sans-serif; }
.about-founder-visual figcaption small { margin-top: 8px; color: var(--muted); font-size: 12px; }

.about-story-section { padding-block: 64px; background: #fff; }
.about-story-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(320px,.85fr); gap: clamp(40px,6vw,80px); align-items: start; }
.about-story-heading { position: sticky; top: 110px; }
.about-story-heading p { max-width: 460px; margin: 24px 0 0; color: var(--muted); }
.about-story-copy { padding-top: 6px; }
.about-story-copy > p { margin: 0 0 22px; color: var(--muted); font-size: 16px; line-height: 1.95; }
.about-story-copy .about-story-lead { max-width: 720px; color: var(--ink); font: 700 clamp(25px,2.6vw,38px)/1.42 Montserrat, "Noto Sans SC", sans-serif; letter-spacing: -.03em; }
.about-story-copy blockquote { margin: 38px 0 0; padding: 30px 34px; position: relative; overflow: hidden; border: 0; border-radius: 0 22px 22px 0; color: #fff; background: var(--blue); font: 600 clamp(20px,2vw,28px)/1.55 Montserrat, "Noto Sans SC", sans-serif; }
.about-story-copy blockquote::after { content: "“"; position: absolute; top: -42px; right: 16px; color: rgba(255,255,255,.14); font: 800 150px/1 Georgia, serif; }
.about-story-copy blockquote span { display: block; margin-bottom: 10px; color: rgba(255,255,255,.62); font: 700 10px/1 Montserrat, sans-serif; letter-spacing: .16em; text-transform: uppercase; }

.about-journey { padding: 92px 0 100px; color: #fff; background: #101b31; }
.about-journey .eyebrow { color: #7baaff; }
.about-journey-head { display: grid; grid-template-columns: 1.25fr .75fr; gap: 60px; align-items: end; margin-bottom: 58px; }
.about-journey-head h2 { max-width: 720px; margin: 0; font: 700 clamp(30px,3.6vw,48px)/1.22 Montserrat, "Noto Sans SC", sans-serif; letter-spacing: -.035em; }
.about-journey-head p { max-width: 480px; margin: 0; color: rgba(255,255,255,.58); }
.about-journey-track { display: grid; grid-template-columns: repeat(3,1fr); position: relative; border-top: 1px solid rgba(255,255,255,.18); }
.about-journey-track::before { content: ""; width: 33.333%; height: 2px; position: absolute; top: -1px; left: 0; background: #2475ff; }
.about-journey-item { min-height: 290px; padding: 40px clamp(24px,3vw,46px) 18px 0; position: relative; border-right: 1px solid rgba(255,255,255,.12); }
.about-journey-item + .about-journey-item { padding-left: clamp(24px,3vw,46px); }
.about-journey-item:last-child { padding-right: 0; border-right: 0; }
.about-journey-number { position: absolute; top: 30px; right: 28px; color: rgba(255,255,255,.06); font: 700 62px/1 Montserrat, sans-serif; }
.about-journey-item time { color: #76a9ff; font: 700 12px/1 Montserrat, sans-serif; letter-spacing: .12em; }
.about-journey-item h3 { max-width: 300px; margin: 54px 0 14px; font-size: 21px; }
.about-journey-item p { max-width: 330px; margin: 0; color: rgba(255,255,255,.58); font-size: 14px; }

.about-method-section { padding-block: 96px; background: var(--surface-low); }
.about-method-grid { display: grid; grid-template-columns: 1.12fr .94fr .94fr; gap: 20px; }
.about-method-card { min-height: 300px; padding: 34px; display: flex; flex-direction: column; justify-content: flex-end; border: 1px solid rgba(216,221,232,.8); border-radius: 24px; background: #fff; box-shadow: var(--shadow); transition: transform .25s ease, box-shadow .25s ease; }
.about-method-card:first-child { color: #fff; border-color: var(--blue); background: var(--blue); }
.about-method-card:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(23,45,83,.14); }
.about-method-card span { margin-bottom: auto; color: var(--blue); font: 700 11px/1 Montserrat, sans-serif; letter-spacing: .12em; }
.about-method-card:first-child span { color: rgba(255,255,255,.64); }
.about-method-card h3 { margin: 60px 0 12px; font-size: 22px; }
.about-method-card p { margin: 0; color: var(--muted); font-size: 14px; }
.about-method-card:first-child p { color: rgba(255,255,255,.72); }
.about-cta-section { background: var(--surface); }

.story-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 64px; align-items: start; }
.story-grid p { margin-top: 0; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(4,1fr); padding: 54px 0; color: #fff; background: var(--navy); }
.stat { text-align: center; }
.stat strong { display: block; font: 700 42px Montserrat, sans-serif; }
.stat span { font-size: 13px; color: rgba(255,255,255,.7); }
.case-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px; }
.case-card { min-height: 240px; padding: 36px; border: 8px solid #fff; border-radius: var(--radius); display: flex; flex-direction: column; justify-content: center; background: #edf3ff; box-shadow: var(--shadow); }
.case-card small { width: fit-content; padding: 4px 10px; border-radius: 999px; color: var(--blue); background: #d9e6ff; }
.case-card h3 { margin: 18px 0 8px; font-size: 24px; }
.case-card p { margin: 0; color: var(--muted); }

.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 32px; }
.contact-panel { padding: 38px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.contact-panel h2 { margin-top: 0; font-size: 28px; }
.contact-list { display: grid; gap: 18px; }
.contact-row { padding: 18px 0; border-top: 1px solid var(--line); }
.contact-row small { display: block; color: var(--muted); }
.contact-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; }
.contact-head-text { min-width: 0; }
.contact-body { margin-top: 28px; }
.contact-qrcode-card { display: block; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); transition: box-shadow .25s ease; }
.contact-qrcode-card:hover { box-shadow: 0 22px 50px rgba(23,45,83,.16); z-index: 5; position: relative; }
.contact-qrcode-img { width: 184px; height: 184px; object-fit: contain; border-radius: 8px; transition: transform .25s ease; }
.contact-qrcode-card:hover .contact-qrcode-img { transform: scale(2); }
.contact-qrcode-card span { font-size: 13px; color: var(--muted); line-height: 1.5; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field--full { grid-column: 1/-1; }
.field label { font-size: 13px; font-weight: 700; }
.field input, .field textarea, .field select { width: 100%; min-height: 50px; padding: 12px 15px; border: 1px solid transparent; border-radius: 10px; outline: none; background: #f1f5fb; }
.field textarea { min-height: 145px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--blue); background: #fff; }
.form-message { display: none; grid-column: 1/-1; padding: 12px 15px; border-radius: 10px; color: #086a42; background: #e8f8f1; }
.contact-promise-section { padding-top: 42px; padding-bottom: 96px; background: linear-gradient(180deg, var(--surface) 0%, #f2f6fd 100%); }
.contact-promise-head { margin-bottom: 38px; text-align: center; }
.contact-promise-head .eyebrow { justify-content: center; }
.contact-promise-head .eyebrow::after { content: ""; width: 22px; height: 2px; background: currentColor; }
.contact-promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.contact-promise-card { min-height: 220px; padding: 36px 28px 32px; position: relative; overflow: hidden; border: 1px solid rgba(0,81,213,.14); border-radius: 22px; display: flex; align-items: center; flex-direction: column; justify-content: center; text-align: center; background: rgba(255,255,255,.92); box-shadow: 0 14px 36px rgba(23,45,83,.06); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.contact-promise-card::before { content: ""; width: 68px; height: 3px; position: absolute; top: 0; left: 50%; border-radius: 0 0 999px 999px; background: var(--blue); transform: translateX(-50%); }
.contact-promise-card:hover { transform: translateY(-5px); border-color: rgba(0,81,213,.32); box-shadow: 0 22px 48px rgba(23,45,83,.11); }
.contact-promise-card strong { color: var(--blue); font: 800 clamp(40px,4vw,54px)/1 Montserrat, "Noto Sans SC", sans-serif; letter-spacing: -.045em; }
.contact-promise-card h3 { margin: 17px 0 4px; font-size: 21px; line-height: 1.4; }
.contact-promise-card p { margin: 0; color: var(--muted); font-size: 15px; }

.site-footer { color: #d7deeb; background: #111823; }
.footer-main { padding: 58px 0; display: grid; grid-template-columns: 1.4fr repeat(3,1fr); gap: 54px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { max-width: 300px; color: #8995a7; font-size: 13px; }
.footer-col h4 { margin: 0 0 18px; color: #fff; font-size: 14px; }
.footer-col a { display: block; margin: 10px 0; color: #8995a7; font-size: 13px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { padding: 18px 0; display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid rgba(255,255,255,.1); color: #7d899a; font-size: 12px; }

.toast { position: fixed; z-index: 300; right: 24px; bottom: 24px; max-width: 360px; padding: 14px 18px; border-radius: 12px; color: #fff; background: var(--navy); box-shadow: var(--shadow); transform: translateY(16px); opacity: 0; pointer-events: none; transition: .25s; }
.toast.show { transform: none; opacity: 1; }
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.stagger > .reveal:nth-child(2) { transition-delay: .08s; }
.stagger > .reveal:nth-child(3) { transition-delay: .16s; }
.stagger > .reveal:nth-child(4) { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1024px) {
  .main-nav { gap: 20px; }
  .header-right { display: none; }
  .product-grid, .product-grid--four { grid-template-columns: repeat(2,1fr); }
  .advantage-grid, .highlight-grid { grid-template-columns: repeat(2,1fr); }
  .service-grid { grid-template-columns: repeat(2,1fr); }
  .detail-hero { grid-template-columns: 1fr; }
  .detail-media { min-height: 430px; }
  .about-hero-grid { grid-template-columns: minmax(0,1fr) minmax(360px,.9fr); gap: 42px; }
  .about-founder-visual { max-width: 470px; }
  .about-story-grid { gap: 60px; }
  .about-method-grid { grid-template-columns: 1fr 1fr; }
  .about-method-card:first-child { grid-column: 1/-1; min-height: 250px; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .site-header { min-height: 64px; }
  .brand-name { font-size: 18px; }
  .menu-toggle { display: block; }
  .main-nav { position: fixed; inset: 64px 0 auto; padding: 18px 16px 28px; display: none; height: auto; align-items: stretch; flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
  .menu-open .main-nav { display: flex; }
  .main-nav a { height: 50px; padding: 0 12px; }
  .main-nav a::after { display: none; }
  .header-actions { margin-left: auto; }
  .hero { min-height: 700px; align-items: end; }
  .page-hero { min-height: 700px; }
  .hero::after { background: linear-gradient(0deg, rgba(8,20,39,.94), rgba(8,20,39,.28)); }
  .hero-content { padding: 100px 0 70px; }
  .hero h1 { font-size: 30px; white-space: nowrap; }
  @media (max-width: 430px) { .hero h1 { font-size: 22px; } }
  .hero p { font-size: 15px; }
  .section { padding: 56px 0; }
  .section-head { align-items: start; flex-direction: column; margin-bottom: 28px; }
  .advantage-grid, .product-grid, .product-grid--four, .highlight-grid, .service-grid, .case-grid, .story-grid, .contact-grid, .contact-body { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2,1fr); row-gap: 38px; }
  .partner-logo { width: 220px; height: 82px; padding: 18px 28px; }
  .cta { padding: 36px 24px; align-items: flex-start; flex-direction: column; }
  .catalog-tools { align-items: stretch; flex-direction: column; }
  .search-box { min-width: 0; width: 100%; }
  .detail-main { padding-top: 32px; }
  .detail-media { min-height: 320px; padding: 20px; }
  .detail-copy h1 { font-size: 34px; }
  .detail-actions { flex-direction: column; }
  .detail-module-split, .application-grid { grid-template-columns: 1fr; }
  .spec-table th, .spec-table td { padding: 14px; }
  .spec-table th { width: 40%; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .footer-brand { grid-column: 1/-1; }
  .footer-bottom { flex-direction: column; }
  .contact-form { grid-template-columns: 1fr; }
  .field--full { grid-column: auto; }
  .contact-head { flex-direction: column; align-items: stretch; }
  .contact-head .contact-qrcode-card { align-self: flex-start; }
  .contact-promise-section { padding-top: 24px; padding-bottom: 72px; }
  .contact-promise-grid { grid-template-columns: 1fr; gap: 16px; }
  .contact-promise-card { min-height: 190px; }
  .about-hero { min-height: 0; }
  .about-hero::before { background-size: 48px 48px; }
  .about-hero::after { width: 380px; height: 380px; left: -150px; bottom: -250px; }
  .about-hero-grid { min-height: 0; grid-template-columns: 1fr; gap: 48px; padding-block: 64px 76px; }
  .about-hero h1 { font-size: clamp(42px,13vw,58px); }
  .about-hero-lead { font-size: 16px; }
  .about-hero-facts { gap: 10px; margin-top: 34px; padding-top: 22px; }
  .about-hero-facts dt { font-size: 21px; }
  .about-founder-visual { width: 100%; max-width: 620px; margin: 0 auto; }
  .about-founder-visual::before { display: none; }
  .about-founder-photo { aspect-ratio: 5/4; border-radius: 24px 24px 6px 24px; }
  .about-founder-photo::after { inset: 9px; border-radius: 17px 17px 2px 17px; }
  .about-founder-photo img { object-position: 50% 44%; }
  .about-founder-visual figcaption { width: calc(100% - 36px); position: relative; left: auto; bottom: auto; margin: -42px 18px 0; }
  .about-story-section, .about-method-section { padding-block: 72px; }
  .about-story-grid { grid-template-columns: 1fr; gap: 38px; }
  .about-story-heading { position: static; }
  .about-story-copy blockquote { padding: 26px 24px; }
  .about-journey { padding-block: 72px; }
  .about-journey-head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 42px; }
  .about-journey-track { grid-template-columns: 1fr; border-top: 0; border-left: 1px solid rgba(255,255,255,.18); }
  .about-journey-track::before { width: 2px; height: 33.333%; top: 0; left: -1px; }
  .about-journey-item, .about-journey-item + .about-journey-item { min-height: 0; padding: 30px 20px 38px 30px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .about-journey-item:last-child { padding-bottom: 10px; border-bottom: 0; }
  .about-journey-item h3 { margin-top: 34px; }
  .about-journey-number { top: 24px; right: 8px; }
  .about-method-grid { grid-template-columns: 1fr; }
  .about-method-card:first-child { grid-column: auto; }
  .about-method-card { min-height: 260px; }
}

@media (prefers-reduced-motion: reduce) {
  .logo-track { animation-play-state: paused; }
}

@media (max-width: 430px) {
  .footer-main { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .about-hero-actions { align-items: stretch; flex-direction: column; }
  .about-hero-actions .btn { width: 100%; }
  .about-hero-facts dd { font-size: 10px; }
  .about-founder-visual figcaption { padding: 18px 20px; }
  body[data-page="contact"] .page-hero h1 { font-size: 23px; }
}

/* ===== About 页面：采用 08 网站版式，配色沿用 tenda 原体系 ===== */
.about-hero-logo { width: min(100%, 280px); height: auto; filter: drop-shadow(0 18px 40px rgba(0,0,0,.35)); }
.about-hero-badge { margin: 0; width: min(100%, 360px); display: grid; place-items: center; }

.about-hero-grid { justify-content: center; }

.about-story-shell { max-width: 1120px; margin-inline: auto; }
.about-story-grid { grid-template-columns: minmax(0,1.12fr) minmax(320px,.88fr); gap: clamp(40px,6vw,80px); align-items: center; }

.about-timeline-card { padding: 32px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(135deg, var(--surface-low), #fff); }
.about-timeline-item { display: flex; align-items: flex-start; gap: 16px; padding: 16px 0; }
.about-timeline-item + .about-timeline-item { border-top: 1px solid rgba(0,81,213,.14); }
.about-timeline-badge { width: 46px; height: 46px; flex: 0 0 auto; border-radius: 12px; display: grid; place-items: center; background: var(--blue); color: #fff; font: 800 18px/1 Montserrat, sans-serif; }
.about-timeline-item h4 { margin: 0 0 4px; font-size: 17px; color: var(--ink); }
.about-timeline-item p { margin: 0; color: var(--muted); font-size: 14px; }

.about-founder-section { background: var(--surface); }
.about-founder-card { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.7fr); gap: 48px; align-items: center; padding: 40px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.about-founder-media { border-radius: 22px; overflow: hidden; background: #eef1f6; }
.about-founder-media img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.about-founder-body h3 { margin: 0 0 18px; font: 700 clamp(22px,2.4vw,30px)/1.4 Montserrat, "Noto Sans SC", sans-serif; }
.about-founder-body p { margin: 0 0 16px; color: var(--muted); line-height: 1.9; }
.about-founder-body strong { color: var(--blue); }
.about-founder-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.about-founder-link { display: inline-flex; align-items: center; color: var(--blue); font-weight: 700; }
.about-founder-link:hover { color: var(--blue-bright); }

.about-team-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.about-team-card { padding: 36px 28px; text-align: center; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.about-team-avatar { width: 92px; height: 92px; margin: 0 auto 20px; display: grid; place-items: center; border-radius: 50%; font: 800 34px/1 Montserrat, "Noto Sans SC", sans-serif; color: var(--blue); background: var(--surface-low); }
.about-team-card h3 { margin: 0 0 8px; font-size: 20px; }
.about-team-card p { margin: 0; color: var(--muted); font-size: 14px; }

.about-credentials-section { background: var(--surface); }
.about-credentials-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.about-credential-card { padding: 30px 24px; text-align: center; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow); }
.about-credential-icon { width: 56px; height: 56px; margin: 0 auto 16px; display: grid; place-items: center; border-radius: 14px; color: var(--blue); background: var(--surface-low); }
.about-credential-icon svg { width: 30px; height: 30px; }
.about-credential-card h4 { margin: 0 0 6px; font-size: 17px; color: var(--ink); }
.about-credential-card p { margin: 0; color: var(--muted); font-size: 13px; }

.section-head--center { flex-direction: column; align-items: center; text-align: center; }
.cta--center { flex-direction: column; align-items: center; text-align: center; gap: 22px; }

/* ===== 服务项目页 ===== */
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-section--reverse .split-media { order: 2; }
.split-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #eef1f6; }
.split-media img { width: 100%; height: 100%; min-height: 440px; object-fit: cover; transition: transform .6s ease; }
.split-media:hover img { transform: scale(1.04); }
.split-copy h2 { margin: 0 0 16px; font: 700 clamp(28px,3vw,40px)/1.25 Montserrat, "Noto Sans SC", sans-serif; letter-spacing: -.025em; }
.split-copy .rule { width: 80px; height: 6px; border-radius: 999px; background: var(--blue); margin-bottom: 24px; }
.split-copy > p { margin: 0 0 30px; max-width: 560px; color: var(--muted); font-size: 17px; line-height: 1.85; }
.split-copy .hl-models { font-weight: 800; color: var(--ink); }
.mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.mini-card { display: flex; gap: 14px; align-items: flex-start; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
.mini-icon { width: 42px; height: 42px; flex: 0 0 auto; border-radius: 12px; display: grid; place-items: center; color: var(--blue); background: var(--surface-low); }
.mini-card .mini-icon { color: var(--blue); background: var(--surface-low); }
.mini-row .mini-icon { color: #fff; background: var(--blue); }
.mini-card h4 { margin: 0 0 4px; font-size: 16px; color: var(--ink); }
.mini-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.mini-list { display: grid; gap: 14px; }
.mini-row { display: flex; gap: 16px; align-items: center; padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--shadow); }
.mini-row h4 { margin: 0 0 4px; font-size: 16px; color: var(--ink); }
.mini-row p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.feature-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature-grid-4 .info-card { min-height: 230px; }
.feature-grid-4 .info-icon { margin-bottom: 22px; }

@media (max-width: 1024px) {
  .about-credentials-grid { grid-template-columns: repeat(2,1fr); }
  .feature-grid-4 { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 760px) {
  .about-story-grid { grid-template-columns: 1fr; gap: 38px; }
  .about-founder-card { grid-template-columns: 1fr; gap: 28px; padding: 26px; }
  .about-team-grid { grid-template-columns: 1fr; }
  .about-credentials-grid { grid-template-columns: repeat(2,1fr); }
  .split-section { grid-template-columns: 1fr; gap: 32px; }
  .split-section--reverse .split-media { order: 0; }
  .split-media img { min-height: 300px; }
  .feature-grid-4 { grid-template-columns: 1fr; }
  .mini-grid { grid-template-columns: 1fr; }
}

@media (max-width: 430px) {
  .about-credentials-grid { grid-template-columns: 1fr; }
  .about-founder-links { flex-direction: column; align-items: flex-start; }
}
