:root {
  --primary: #0fbcbc;
  --primary-dark: #2fa0a0;
  --ink: #101828;
  --text: #4a5565;
  --muted: #6a7282;
  --soft: #f4f9f9;
  --dark: #101828;
  --line: #e5e7eb;
  --container: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; background: #fff; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }
.container { width: min(var(--container), calc(100% - 64px)); margin: 0 auto; }

.site-header { position: relative; z-index: 20; height: 64px; background: rgba(255,255,255,.96); border-bottom: 1px solid #f3f4f6; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.header-inner { height: 64px; display: flex; align-items: center; justify-content: space-between; }
.brand { width: 145px; height: 40px; overflow: hidden; }
.brand img { width: 145px; height: 40px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 500; color: #364153; }
.main-nav a { padding: 5px 0; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--primary-dark); border-color: var(--primary); }
.header-phone { padding: 8px 20px; border-radius: 999px; color: #fff; background: var(--primary); font-size: 14px; font-weight: 700; }
.menu-button { display: none; border: 0; background: transparent; font-size: 24px; }

.section { padding: 96px 0; }
.section-heading { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-kicker { margin-bottom: 8px; color: var(--primary); font-size: 24px; font-weight: 800; letter-spacing: .12em; }
.section-heading h2, .section-heading h1 { margin-bottom: 14px; font-size: 36px; line-height: 1.3; font-weight: 900; }
.section-heading p:last-child { margin-bottom: 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.light-heading h2, .light-heading p:last-child { color: #fff; }
.button-row { display: flex; align-items: center; gap: 16px; }
.button-row.centered { justify-content: center; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 30px; border: 2px solid transparent; border-radius: 999px; font-size: 14px; font-weight: 700; transition: .2s ease; cursor: pointer; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--primary); box-shadow: 0 12px 24px rgba(15,188,188,.22); }
.button-outline { color: var(--primary-dark); border-color: var(--primary); background: #fff; }
.button-white { color: var(--primary-dark); background: #fff; }
.button-outline-white { color: #fff; border-color: rgba(255,255,255,.9); background: transparent; }

.home-hero { position: relative; min-height: 1025px; overflow: hidden; background: linear-gradient(152deg, #e4f8f8 0%, #f0fbfb 100%); }
.home-hero::before { content: ""; position: absolute; left: 50%; top: -69px; width: 1901px; height: 1189px; background: url("assets/home-2.png") center / cover no-repeat; filter: blur(43px); opacity: .4; transform: translateX(-50%); }
.home-hero-inner { position: relative; min-height: 1025px; display: flex; align-items: center; padding: 0 32px; }
.home-hero-copy { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; width: 592px; height: 537px; }
.eyebrow-pill { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 24px; padding: 6px 16px; border-radius: 999px; color: var(--primary-dark); background: rgba(77,191,191,.15); font-size: 12px; font-weight: 800; width: 255px;}
.eyebrow-pill span { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.home-hero h1 { margin-bottom: 24px; font-size: 60px; line-height: 69px; font-weight: 900; }
.home-hero h1 em { display: inline-block; margin-top: 4px; color: var(--primary); font-style: normal; }
.home-hero .lead { width: 448px; margin-bottom: 40px; color: var(--text); font-size: 18px; line-height: 1.65; }
.home-hero-image { position: absolute; left: 499px; width: min(909px, 58vw); aspect-ratio: 909 / 569; object-fit: cover; border-radius: 37px; z-index: 999}
.mini-stats { display: flex; gap: 32px; width: 592px; margin-top: 56px; padding-top: 32px; border-top: 1px solid rgba(77,191,191,.25); }
.mini-stats div { display: flex; flex-direction: column; }
.mini-stats strong { color: var(--primary); font-size: 24px; font-weight: 900; }
.mini-stats span { margin-top: 3px; color: var(--muted); font-size: 12px; }

.products-preview { min-height: 1487px; }
.products-preview > .container { width: min(1216px, calc(100% - 64px)); }
.products-preview .section-heading { margin-bottom: 0; }
.scene-filters { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; min-height: 92px; margin: 0; padding-top: 56px; }
.scene-filters span { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 8px 20px; border-radius: 999px; color: var(--text); background: #f3f4f6; font-size: 14px; font-weight: 500; }
.scene-filters img { width: 13px; height: 13px; }
.product-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 24px; padding-top: 64px; }
.product-card { height: 480px; overflow: hidden; border: 1px solid #f3f4f6; border-radius: 16px; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px -1px rgba(0,0,0,.1); }
.product-card:nth-child(-n + 3) { grid-column: span 2; }
.product-card:nth-child(4) { grid-column: 1 / span 3; justify-self: end; width: 592px; height: 500px; }
.product-card:nth-child(5) { grid-column: 4 / span 3; justify-self: start; width: 592px; height: 500px; }
.product-card:nth-child(n + 4) .product-image { height: 270px; }
.product-image { position: relative; height: 250px; overflow: hidden; background: #eef7f7; }
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-image b { position: absolute; right: 12px; top: 12px; padding: 5px 12px; border-radius: 999px; color: #fff; background: var(--primary); font-size: 12px; }
.product-copy { padding: 24px; }
.product-copy small { display: inline-block; padding: 3px 10px; border-radius: 999px; color: var(--primary-dark); background: #e9fafa; }
.product-copy h3 { margin: 10px 0 6px; font-size: 18px; }
.product-copy p { margin-bottom: 10px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.product-copy .feature-line { color: #374151; font-weight: 600; }
.tags { display: flex; gap: 6px; margin-top: 16px; }
.tags span { padding: 3px 10px; border-radius: 999px; background: #f3f4f6; color: #667085; font-size: 12px; }

.user-value { color: #fff; background: var(--primary); }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-grid article { min-height: 210px; padding: 32px; border: 1px solid rgba(255,255,255,.14); border-radius: 8px; background: rgba(255,255,255,.06); }
.value-icon { width: 40px; height: 40px; margin-bottom: 20px; }
.value-icon img { display: block; width: 100%; height: 100%; }
.value-grid h3 { margin: 0 0 12px; font-size: 17px; }
.value-grid p { color: rgba(255,255,255,.78); font-size: 13px; line-height: 1.8; }

.about-section { color: #fff; background: var(--dark); }
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: center; }
.about-copy h2 { font-size: 38px; margin-bottom: 14px; }
.accent-line { width: 42px; height: 4px; margin-bottom: 30px; background: var(--primary); }
.about-copy h3 { font-size: 18px; }
.about-copy > p:not(.section-kicker) { color: #a8b1c1; font-size: 14px; line-height: 1.9; }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 38px; }
.about-stats span { display: flex; flex-direction: column; color: #9ba7b8; font-size: 12px; }
.about-stats b { margin-bottom: 5px; color: var(--primary); font-size: 22px; }
.about-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.about-cards article { display: flex; flex-direction: column; min-height: 150px; padding: 28px; border: 1px solid #344054; border-radius: 10px; background: #1d2939; }
.about-cards strong { color: var(--primary); font-size: 24px; }
.about-cards span { margin: 8px 0; font-weight: 700; }
.about-cards small { color: #98a2b3; }

.partners-section { background: #f5fafb; }
.partners-image {margin: 0 auto; object-fit: contain; border-radius: 10px; }
.partner-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; width: 1216px; max-width: 100%; margin: 40px auto 0; }
.partner-stats span { display: flex; flex-direction: column; align-items: flex-start; height: 154px; padding: 20px; border: 1px solid #f3f4f6; border-radius: 16px; background: #fff; box-shadow: 0 1px 1px rgba(0,0,0,.1); }
.partner-stats img { width: 28px; height: 28px; margin-bottom: 16px; }
.partner-stats strong { color: #1e2939; font-size: 14px; line-height: 20px; }
.partner-stats b { margin-top: 4px; color: #4dbfbf; font-size: 20px; line-height: 28px; }
.partner-stats small { color: #99a1af; font-size: 12px; line-height: 16px; }

.cta-section { padding: 72px 0; color: #fff; text-align: center; background: var(--primary); }
.cta-section h2 { margin-bottom: 12px; font-size: 32px; }
.cta-section p:not(.section-kicker) { margin-bottom: 30px; color: rgba(255,255,255,.8); }

.site-footer { padding: 56px 0 24px; color: #99a1af; background: var(--dark); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-intro img { width: 145px; height: 40px; object-fit: contain; margin-bottom: 16px; }
.footer-intro p { max-width: 340px; }
.site-footer h3 { color: #fff; font-size: 14px; }
.site-footer p, .site-footer a { display: block; margin-bottom: 10px; font-size: 13px; line-height: 1.75; }
.site-footer a:hover { color: var(--primary); }
.footer-button { width: max-content; padding: 6px 20px; border-radius: 999px; color: #fff !important; background: var(--primary); }
.copyright { width: min(var(--container), calc(100% - 64px)); margin: 0 auto !important; padding-top: 24px; border-top: 1px solid #1e2939; text-align: center; color: #4a5565; font-size: 12px !important; }

/* 产品方案页 */
.product-hero { padding: 100px 0 74px; text-align: center; background: linear-gradient(155deg, #e4f8f8, #f8fdfd); }
.product-hero .section-heading { margin-bottom: 52px; }
.product-hero h1 { font-size: 48px; }
.product-hero img { width: 1216px; height: 560px; margin: 0 auto; object-fit: cover; border-radius: 24px; box-shadow: 0 20px 45px rgba(16,24,40,.12); }
.image-caption { margin: 20px 0 0; color: #98a2b3; font-size: 12px; }
.quality-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
.quality-grid article { padding: 28px 22px; text-align: center; border-radius: 10px; background: #f5f9fa; }
.quality-grid i { color: var(--primary); font-size: 24px; font-style: normal; }
.quality-grid h3 { margin: 14px 0 8px; font-size: 15px; }
.quality-grid p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.real-scenes { background: #f4f9f9; }
.scene-gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.scene-gallery figure { position: relative; height: 390px; margin: 0; overflow: hidden; border-radius: 12px; }
.scene-gallery img { width: 100%; height: 100%; object-fit: cover; }
.scene-gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 55px 18px 18px; color: #fff; font-weight: 700; background: linear-gradient(transparent, rgba(0,0,0,.7)); }

/* 合作方式页 */
.cooperation-hero { padding: 108px 0; color: #fff; background: var(--primary); overflow: hidden; }
.cooperation-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.white-kicker { color: rgba(255,255,255,.7); }
.cooperation-hero h1 { margin-bottom: 24px; font-size: 54px; line-height: 1.22; }
.cooperation-hero p:not(.section-kicker) { max-width: 520px; color: rgba(255,255,255,.84); line-height: 1.8; }
.cooperation-hero img { width: 580px; height: 360px; object-fit: cover; border: 5px solid rgba(255,255,255,.2); border-radius: 24px; box-shadow: 0 25px 65px rgba(0,70,80,.25); }
.hero-pills { display: flex; gap: 10px; margin: 24px 0 34px; }
.hero-pills span { padding: 7px 15px; border-radius: 999px; background: rgba(255,255,255,.24); font-size: 12px; }
.venue-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.venue-grid article { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 26px; border-radius: 9px; background: #f4f9f9; font-size: 14px; font-weight: 700; }
.venue-grid span { font-size: 25px; }
.managed-section { background: #f4f9f9; }
.managed-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.managed-grid article { padding: 36px 30px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.managed-grid img { width: 38px; height: 38px; padding: 9px; border-radius: 8px; background: #e5fafa; }
.managed-grid h3 { margin: 24px 0 12px; font-size: 17px; }
.managed-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.reasons-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 100px; align-items: center; }
.reasons-grid h2 { font-size: 38px; }
.reasons-grid > img { width: 590px; border-radius: 14px; }
.check-list { margin: 30px 0; padding: 0; list-style: none; }
.check-list li { margin-bottom: 15px; color: var(--text); }
.check-list li::before { content: "✓"; display: inline-grid; place-items: center; width: 20px; height: 20px; margin-right: 10px; border-radius: 50%; color: #fff; background: var(--primary); font-size: 12px; }
.process-section { text-align: center; color: #fff; background: var(--primary); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: left; }
.process-grid article { min-height: 245px; padding: 28px; border: 1px solid rgba(255,255,255,.12); border-radius: 10px; background: rgba(255,255,255,.06); }
.process-grid b { font-size: 34px; }
.process-grid h3 { margin: 18px 0 10px; }
.process-grid p { min-height: 72px; color: rgba(255,255,255,.78); font-size: 13px; line-height: 1.7; }
.process-grid span { padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.16); font-size: 11px; }
.process-button { margin-top: 42px; }

/* 联系我们页 */
.contact-heading { padding: 76px 0 58px; text-align: center; background: linear-gradient(155deg, #e6fafa, #f8fdfd); }
.contact-heading h1 { margin-bottom: 12px; font-size: 44px; }
.contact-heading p:last-child { color: var(--muted); }
.contact-main { padding: 96px 0; background: #f7fafa; }
.contact-grid { display: grid; grid-template-columns: 457.6px 710.4px; gap: 48px; width: min(1216px, calc(100% - 64px)); }
.contact-information-heading { height: 63px; }
.contact-information h2 { margin: 0; font-size: 24px; line-height: 32px; }
.contact-lead { margin: 0; padding-top: 8px; color: #6a7282; font-size: 14px; line-height: 23px; }
.contact-cards { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.contact-card { display: flex; gap: 16px; min-height: 98px; padding: 20px; border: 1px solid #f3f4f6; border-radius: 16px; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.1); }
.contact-card:nth-child(1) { height: 106px; }
.contact-card:nth-child(2) { height: 102px; }
.contact-card:nth-child(3) { height: 106px; }
.contact-card:nth-child(4) { height: 98px; }
.contact-icon { display: grid; flex: 0 0 40px; place-items: center; width: 40px; height: 40px; border-radius: 14px; color: var(--primary); background: #e9fafa; }
.contact-icon img { width: 18px; height: 18px; }
.contact-text-icon { font-size: 21px; font-family: Arial, sans-serif; line-height: 1; }
.contact-card-copy { min-width: 0; }
.contact-card small, .contact-card strong, .contact-card a { display: block; margin: 0; }
.contact-card small { color: #99a1af; font-size: 12px; line-height: 20px; }
.contact-card:nth-child(3) small, .contact-card:nth-child(4) small { line-height: 16px; }
.contact-card a, .contact-card strong { color: #101828; font-weight: 700; line-height: 22.75px}
.contact-phone { font-size: 20px; line-height: 28px; }
.contact-email { font-size: 16px; line-height: 24px; }
.contact-address { padding-top: 4px; font-size: 14px; line-height: 23px; }
.contact-service-time { padding-top: 4px; font-size: 14px; line-height: 20px; }
.contact-card p { margin: 0; color: #99a1af; font-size: 12px; line-height: 18px; }
.suitable-contact { height: 220px; margin-top: 24px; padding: 24px; border-radius: 16px; color: #fff; background: var(--primary); }
.suitable-contact h3 { margin-bottom: 12px; font-size: 18px; line-height: 28px; }
.suitable-contact ul { margin: 0; padding: 0; list-style: none; color: rgba(255,255,255,.9); font-size: 14px; line-height: 28px; }
.suitable-contact li::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; vertical-align: 2px; background: rgba(255,255,255,.75); }
.contact-form { height: 693px; padding: 40px; border: 1px solid #f3f4f6; border-radius: 20px; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.1); }
.contact-form > h2 { margin: 0; font-size: 24px; line-height: 32px; }
.contact-form > p { margin: 0; color: #99a1af; font-size: 14px; line-height: 24px;}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form label { display: block; margin-top: 24px; color: #344054; font-size: 13px; line-height: 16px; font-weight: 700; }
.required { color: #f04438; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; margin-top: 8px; padding: 0 16px; border: 1px solid #d0d5dd; border-radius: 14px; color: var(--ink); background: #fff; font: inherit; font-weight: 400; outline: none; }
.contact-form input, .contact-form select { height: 46px; }
.contact-form select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 48px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' fill='none' stroke='%236A7282' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
.contact-form textarea { height: 106px; padding-top: 13px; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15,188,188,.12); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #d0d5dd; }
.submit-button { gap: 8px; width: 100%; height: 52px; margin-top: 24px; border-radius: 14px; box-shadow: 0 8px 14px rgba(15,188,188,.28); }
.submit-button span { display: inline-block; transform: rotate(-28deg); font-size: 13px; }
.privacy-note { margin: 20px 0 0; text-align: center; color: #99a1af !important; font-size: 12px !important; line-height: 16px !important; }
.form-result { min-height: 20px; margin-top: 8px; text-align: center; color: var(--primary-dark) !important; font-weight: 700; }
.form-result[data-status="error"] { color: #d92d20 !important; }
.submit-button:disabled { opacity: .65; cursor: not-allowed; transform: none; }
.contact-stats { padding: 48px 0 64px; }
.contact-stats .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.contact-stats div { display: flex; flex-direction: column; align-items: center; border-right: 1px solid var(--line); }
.contact-stats div:last-child { border-right: 0; }
.contact-stats b { color: var(--primary); font-size: 38px; }
.contact-stats span { margin-top: 5px; color: var(--muted); }

@media (max-width: 900px) {
  .container { width: min(100% - 36px, var(--container)); }
  .site-header, .header-inner { height: 60px; }
  .menu-button { display: block; order: 3; }
  .header-phone { display: none; }
  .main-nav { display: none; position: absolute; left: 18px; right: 18px; top: 60px; flex-direction: column; align-items: stretch; gap: 0; padding: 14px; border-radius: 0 0 12px 12px; background: #fff; box-shadow: 0 12px 25px rgba(0,0,0,.1); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px; }
  .section { padding: 70px 0; }
  .section-heading h2, .section-heading h1 { font-size: 30px; }
  .home-hero, .home-hero-inner { min-height: 850px; }
  .home-hero-inner { padding: 70px 0; align-items: flex-start; }
  .home-hero-copy { width: 100%; height: auto; }
  .home-hero h1 { font-size: 44px; line-height: 1.2; }
  .home-hero h1 em { margin-top: 0; }
  .home-hero .lead { width: 100%; }
  .home-hero-image { left: 0; right: 0; top: 550px; width: 100%; height: 280px; border-radius: 18px; }
  .mini-stats { width: 100%; margin-top: 36px; }
  .product-grid, .value-grid, .quality-grid, .scene-gallery, .venue-grid, .managed-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .products-preview { min-height: auto; }
  .products-preview > .container { width: min(100% - 36px, var(--container)); }
  .product-card:nth-child(n) { grid-column: auto; justify-self: stretch; width: auto; height: auto; }
  .product-card:nth-child(n) .product-image { height: 250px; }
  .about-grid, .cooperation-hero-grid, .reasons-grid, .contact-grid { grid-template-columns: 1fr; }
  .partners-image { width: 100%; height: auto; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .contact-grid { width: min(100% - 36px, var(--container)); gap: 40px; }
}

@media (max-width: 600px) {
  .brand, .brand img { width: 130px; }
  .home-hero, .home-hero-inner { min-height: auto; }
  .home-hero-inner { display: block; padding: 70px 0 36px; }
  .home-hero-image { position: relative; left: auto; right: auto; top: auto; height: 280px; margin-top: 36px; }
  .home-hero h1, .cooperation-hero h1 { font-size: 36px; }
  .button-row { flex-wrap: wrap; }
  .button { padding: 0 22px; }
  .mini-stats { gap: 22px; }
  .product-grid, .value-grid, .quality-grid, .scene-gallery, .venue-grid, .managed-grid, .process-grid, .about-cards, .form-row { grid-template-columns: 1fr; }
  .about-stats, .partner-stats, .contact-stats .container { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .cooperation-hero { padding: 70px 0; }
  .cooperation-hero img { height: 240px; }
  .hero-pills { flex-wrap: wrap; }
  .contact-form { height: auto; padding: 26px 20px; }
  .contact-card:nth-child(n) { height: auto; }
  .contact-stats div { padding: 20px 0; }
  .contact-stats div:nth-child(2) { border-right: 0; }
}