/* 检简生物官网。桌面基准：1536 × 1024；屏幕变窄时重排，不拉伸素材。 */
:root {
  --teal: #008c8c;
  --ink: #142129;
  --body: #34434b;
  --line: #cfdee2;
  --content-width: 1356px;
  --gutter: clamp(24px, 5.86vw, 90px);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
}

/* 基础样式 */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; color: var(--ink); background: #fff; font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border: 0; cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
svg { display: block; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--teal); outline-offset: 5px; border-radius: 3px; }
.container { width: calc(100% - var(--gutter) * 2); max-width: var(--content-width); margin-inline: auto; }
.icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.visually-hidden { position: absolute; width: 1px; height: 1px; clip-path: inset(50%); overflow: hidden; white-space: nowrap; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 20; padding: 8px 16px; background: white; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
svg use { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.ui-icon { object-fit: contain; flex: none; }

/* 01 顶部导航：80px */
.site-header { height: 80px; position: relative; z-index: 5; background: white; }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: flex; align-items: center; gap: 10px; width: 194px; flex: none; }
.brand-mark { width: 46px; height: 46px; flex: none; }
.brand-wordmark { width: 138px; aspect-ratio: 3160 / 850; }
.main-nav { display: flex; align-items: center; gap: clamp(35px, 4.1vw, 63px); }
.nav-link { position: relative; font-size: 16px; font-weight: 500; padding: 25px 0; white-space: nowrap; }
.nav-link::after { content: ""; position: absolute; bottom: 15px; left: 0; right: 0; height: 2px; background: var(--teal); transform: scaleX(0); transition: transform .2s; }
.nav-link:hover, .nav-link.is-active { color: var(--teal); }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.menu-toggle { display: none; }

/* 02 首屏：图片与文字分离；object-fit 确保等比取景 */
.hero { height: 364px; position: relative; isolation: isolate; overflow: hidden; background: #eaf7f8; }
.hero-art { position: absolute; inset: 0; z-index: -1; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: center 50%; }
.hero-inner { height: 100%; position: relative; display: flex; align-items: center; justify-content: space-between; padding-bottom: 30px; }
/* 原设计图左侧的浅青色刻度尺；SVG 等比缩放。 */
.hero-ruler { position: absolute; left: clamp(12px, 2.08vw, 32px); bottom: 0; width: 32px; height: 300px; color: #45adb5; opacity: .5; pointer-events: none; mask-image: linear-gradient(transparent, #000 14%, #000 94%, transparent); }
.hero-copy { padding-left: 48px; }
.hero h1 { font-size: clamp(36px, 3.78vw, 58px); line-height: 1.3; letter-spacing: .02em; font-weight: 750; white-space: nowrap; }
.hero-copy > p { margin-top: 11px; font-size: 18px; line-height: 1.6; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 8px 17px; min-height: 37px; border-radius: 3px; font-size: 14px; line-height: 1.4; transition: background .2s, box-shadow .2s; }
.button svg { width: 22px; height: 22px; }
.button-primary { color: white; background: linear-gradient(110deg, #009b9e, #00868a); box-shadow: 0 4px 9px #007c8038; }
.button-primary:hover { background: #00797d; box-shadow: 0 5px 12px #007c8045; }
.hero .button { margin-top: 27px; }
.hero-principles { display: grid; gap: 21px; margin-right: -44px; font-size: 13px; }
.hero-principles span { display: block; color: #168890; font-size: 10px; line-height: 1.4; }

/* 03 基本信息：浮于首屏下沿 */
.facts { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: 1276px; min-height: 78px; margin-top: -58px; padding: 13.5px 24px; border-radius: 22px; background: linear-gradient(100deg, #fcfffff7, #f5fbfcf7); border: 1px solid #e7f0f1; box-shadow: 0 2px 4px #22495414; }
.fact { display: flex; align-items: center; justify-content: center; gap: 24px; min-width: 0; padding: 0 12px; }
.fact + .fact { border-left: 1px solid var(--line); }
.fact .ui-icon { width: 39px; height: 39px; }
.fact strong { display: block; color: var(--teal); font-size: 21px; font-weight: 600; line-height: 1.3; }
.fact time > span { font-size: 17px; }
.fact p { margin-top: 2px; font-size: 14px; line-height: 1.4; }

/* 04 研究方向：使用独立素材，无截图裁剪与覆盖旧文字 */
.research { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 17px; }
.research-card { position: relative; min-height: 165px; overflow: hidden; isolation: isolate; border-radius: 4px; background: #eaf7f8; }
.card-art { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; object-position: right center; z-index: -2; }
.research-card::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(90deg, #eaf7f8 5%, #eaf7f8d9 30%, #eaf7f800 62%); }
.card-copy { padding: 16px 24px 14px; }
.card-copy h3 { color: var(--teal); font-size: 23px; font-weight: 600; line-height: 1.4; }
.card-copy > p { margin-top: 10px; font-size: 14px; line-height: 1.6; }
.card-action { display: inline-flex; align-items: center; gap: 18px; padding: 0; margin-top: 20px; min-height: 25px; background: none; color: var(--teal); font-size: 13px; }
.card-action svg { width: 21px; height: 21px; transition: transform .2s; }
.card-action:hover { text-decoration: underline; text-underline-offset: 4px; }
.card-action:hover svg { transform: translateX(4px); }

/* 05 公司介绍与理念：桌面左右分栏 */
.company-row { display: grid; grid-template-columns: 1.05fr 1fr; gap: 32px; min-height: 160px; margin-top: 29px; margin-bottom: 22px; }
.company-row section { min-width: 0; }
.section-heading { margin-bottom: 6px; }
.section-heading h2 { font-size: 23px; line-height: 1.4; font-weight: 600; }
.about > p, .values > p { color: var(--body); font-size: 14px; line-height: 1.6; }
.about > p + p { margin-top: 10px; }
.milestone { display: flex; align-items: center; gap: 22px; margin-top: 20px; font-size: 14px; line-height: 1.5; }
.milestone time { color: var(--teal); }
.milestone-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--teal); position: relative; margin-right: 9px; }
.milestone-dot::after { content: ""; position: absolute; top: 4px; left: 10px; width: 17px; height: 1px; background: var(--teal); }
.values { border-left: 1px solid var(--line); padding-left: 30px; }
.value-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 15px; }
.value-list li { text-align: center; padding: 0 5px; }
.value-list li + li { border-left: 1px solid var(--line); }
.value-list .ui-icon { width: 31px; height: 31px; margin: 0 auto 6px; }
.value-list h3 { font-size: 16px; font-weight: 600; white-space: nowrap; }
.value-list p { color: var(--body); font-size: 14px; }

/* 06 深色页脚 */
.site-footer { color: #d7e0e3; background: radial-gradient(ellipse at 15% 35%, #1b2e35, transparent 60%), #142127; }
.footer-main { display: grid; grid-template-columns: 232px 1fr 354px; gap: 40px; padding-top: 24px; padding-bottom: 12px; }
.footer-brand .brand { width: 194px; }
.footer-brand > p { margin-top: 11px; font-size: 16px; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; padding: 0 40px; border-left: 1px solid #34484f; border-right: 1px solid #34484f; }
.footer-nav h2, .footer-contact h2 { font-size: 14px; font-weight: 500; color: #f5f7f8; margin-bottom: 6px; }
.footer-nav a, .footer-nav button { display: block; padding: 0; background: none; color: #afbec4; font-size: 13px; line-height: 1.6; text-align: left; }
.footer-nav a:hover, .footer-nav button:hover { color: white; text-decoration: underline; text-underline-offset: 4px; }
.footer-contact > p { font-size: 13px; margin-bottom: 3px; }
.footer-contact address { display: block; font-style: normal; font-size: 13px; line-height: 1.7; }
.footer-contact address .ui-icon { display: none; }
.footer-bottom { padding-top: 9px; padding-bottom: 12px; border-top: 1px solid #34484f; color: #90a1a8; font-size: 12px; }
.footer-bottom small { font-size: inherit; }

/* 卡片说明：原生 dialog 支持键盘关闭与焦点回归 */
.research-dialog { width: calc(100% - 40px); max-width: 520px; padding: 38px; border: 1px solid #d4e8e9; border-radius: 12px; color: var(--ink); box-shadow: 0 20px 80px #142c3540; }
.research-dialog::backdrop { background: #11282a99; backdrop-filter: blur(4px); }
.dialog-close { position: absolute; top: 10px; right: 15px; width: 36px; height: 36px; line-height: 1; font-size: 30px; background: none; }
.dialog-eyebrow { color: var(--teal); font-size: 12px; letter-spacing: .06em; }
.research-dialog h2 { margin-top: 10px; font-size: 26px; }
.research-dialog #dialog-copy { margin-top: 14px; line-height: 1.9; }
.dialog-note { margin-top: 22px; padding-top: 15px; border-top: 1px solid var(--line); color: #60757c; font-size: 13px; }
.research-dialog .button { margin-top: 24px; }

/* 大屏：内容有最大宽度，图片始终等比例 */
@media (min-width: 1700px) {
  .hero { height: 400px; }
  .hero-art { max-width: 2560px; margin-inline: auto; }
  .hero-art img { object-position: center; }
}

/* 笔记本及小平板 */
@media (max-width: 1150px) {
  :root { --gutter: 32px; }
  .main-nav { gap: 30px; }
  .hero-ruler { left: 5px; width: 26px; }
  .hero-copy { padding-left: 10px; }
  .hero h1 { font-size: 44px; }
  .hero-copy > p { font-size: 16px; }
  .hero-principles { margin-right: 0; }
  .fact { gap: 14px; padding: 0 8px; }
  .fact strong { font-size: 18px; }
  .fact time > span { font-size: 14px; }
  .fact .ui-icon { width: 33px; height: 33px; }
  .card-copy { padding-inline: 18px; }
  .card-copy h3 { font-size: 21px; }
  .card-copy > p { font-size: 13px; }
  .research-card { min-height: 178px; }
  .card-art { object-position: 35% center; }
  .company-row { gap: 25px; }
  .values { padding-left: 25px; }
  .footer-main { grid-template-columns: 185px 1fr 285px; gap: 24px; }
  .footer-nav { padding-inline: 22px; gap: 18px; }
  .footer-brand .brand { width: 170px; gap: 7px; }
  .footer-brand .brand-mark { width: 40px; height: 40px; }
  .footer-brand .brand-wordmark { width: 123px; }
}
@media (max-width: 900px) {
  .site-header { height: 76px; }
  .brand { width: 174px; gap: 8px; }
  .brand-mark { width: 42px; height: 42px; }
  .brand-wordmark { width: 124px; }
  .main-nav { gap: 22px; }
  .nav-link { font-size: 14px; }
  .hero h1 { font-size: 39px; }
  .hero-principles { display: none; }
  .hero-copy > p { max-width: 355px; }
  .hero-art img { object-position: 42% center; }
  .facts { padding: 17px 10px; border-radius: 18px; }
  .fact { gap: 8px; }
  .fact strong { font-size: 16px; }
  .fact time > span { font-size: 12px; }
  .fact p { font-size: 12px; }
  .fact .ui-icon { width: 29px; height: 29px; }
  .research { grid-template-columns: 1fr; gap: 16px; }
  .research-card { min-height: 180px; }
  .card-art { object-fit: contain; object-position: right center; }
  .card-copy { padding: 20px 25px; }
  .card-copy > p { font-size: 14px; }
  .company-row { grid-template-columns: 1fr; gap: 25px; }
  .values { border-left: 0; border-top: 1px solid var(--line); padding: 23px 0 0; }
  .value-list { margin-top: 20px; }
  .footer-main { grid-template-columns: 1fr 1.3fr; gap: 26px; }
  .footer-nav { border-right: 0; padding-right: 0; }
  .footer-contact { grid-column: 1 / -1; border-top: 1px solid #34484f; padding-top: 20px; }
  .footer-contact > p, .footer-contact address { font-size: 14px; }
}

/* 手机：不将整页按比例缩小，改用单列布局 */
@media (max-width: 640px) {
  :root { --gutter: 22px; }
  .site-header { height: 72px; }
  .header-inner { gap: 18px; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 10px; background: none; color: var(--teal); }
  .menu-toggle span { width: 24px; height: 2px; background: currentColor; transition: transform .2s, opacity .2s; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 22px 18px; background: #fffffff9; border-bottom: 1px solid var(--line); box-shadow: 0 10px 20px #17445115; }
  .main-nav.is-open { display: flex; }
  .nav-link { font-size: 16px; padding: 12px; }
  .nav-link::after { bottom: 5px; left: 12px; right: auto; width: 32px; }
  .hero { height: 420px; }
  .hero-ruler { left: 3px; width: 22px; height: 185px; }
  .hero-inner { align-items: flex-start; padding-top: 40px; padding-bottom: 80px; }
  .hero-copy { padding-left: 0; width: 100%; }
  .hero h1 { white-space: normal; font-size: clamp(29px, 7.3vw, 44px); line-height: 1.45; letter-spacing: 0; }
  .hero h1 span { white-space: nowrap; }
  .hero-copy > p { font-size: 14px; max-width: 270px; line-height: 1.9; margin-top: 10px; }
  .hero .button { margin-top: 20px; min-height: 42px; }
  .hero-art { top: 145px; }
  .hero-art img { object-position: 70% center; }
  .hero::after { content: ""; position: absolute; z-index: -1; top: 0; left: 0; right: 0; height: 240px; background: linear-gradient(#edf8f9 50%, #edf8f900); }
  .facts { margin-top: -32px; grid-template-columns: 1fr; padding: 8px 18px; border-radius: 16px; }
  .fact { justify-content: flex-start; gap: 16px; padding: 14px 5px; }
  .fact + .fact { border-left: 0; border-top: 1px solid var(--line); }
  .fact .ui-icon { width: 30px; height: 30px; }
  .fact > div { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex: 1; }
  .fact strong { font-size: 17px; }
  .fact p { font-size: 12px; white-space: nowrap; }
  .research { margin-top: 23px; gap: 14px; }
  .research-card { min-height: 180px; }
  .card-copy { padding: 20px; }
  .card-copy h3 { font-size: 23px; }
  .card-copy > p { font-size: 13px; }
  .card-action { font-size: 13px; min-height: 28px; margin-top: 20px; }
  .company-row { margin-top: 30px; margin-bottom: 30px; gap: 28px; }
  .desktop-break { display: none; }
  .research-card::after { background: linear-gradient(90deg, #eaf7f8 3%, #eaf7f8d9 36%, #eaf7f800 76%); }
  .about > p, .values > p { font-size: 15px; line-height: 1.85; }
  .about > p + p { margin-top: 12px; }
  .milestone { margin-top: 20px; gap: 17px; }
  .value-list { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 26px; }
  .value-list li:nth-child(3) { border-left: 0; }
  .value-list .ui-icon { width: 34px; height: 34px; margin-bottom: 9px; }
  .footer-main { grid-template-columns: 1fr; gap: 25px; padding-bottom: 24px; }
  .footer-brand .brand { width: 190px; }
  .footer-brand .brand-mark { width: 46px; height: 46px; }
  .footer-brand .brand-wordmark { width: 136px; }
  .footer-nav { border-left: 0; border-top: 1px solid #34484f; padding: 24px 0 0; gap: 22px; }
  .footer-nav h2, .footer-contact h2 { font-size: 15px; }
  .footer-nav a, .footer-nav button { font-size: 14px; line-height: 2; }
  .footer-contact { grid-column: auto; }
  .footer-contact address { line-height: 1.9; }
  .footer-bottom { font-size: 12px; }
  .research-dialog { padding: 28px 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}


/* ===== 精致科技动效：可在本分区统一调节强度 ===== */
html { scroll-padding-top: 100px; }
.site-header { position: sticky; top: 0; background: rgb(255 255 255 / 88%); backdrop-filter: blur(18px) saturate(1.2); -webkit-backdrop-filter: blur(18px) saturate(1.2); border-bottom: 1px solid #008c8c0a; transition: box-shadow .3s; }
.site-header.is-scrolled { box-shadow: 0 4px 24px #113f4912; }
.hero-art { transform: translate3d(var(--drift-x, 0px), var(--drift-y, 0px), 0) scale(1.035); transition: transform .45s cubic-bezier(.2,.65,.3,1); animation: hero-color-breathe 5.5s ease-in-out infinite alternate; }
.hero-art img { animation: hero-image-breathe 5.5s ease-in-out infinite alternate; }
.hero-inner { z-index: 2; }
.hero-ruler { z-index: 1; }
.hero-particles { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; mix-blend-mode: multiply; }
.hero-energy { position: absolute; inset: 0; overflow: hidden; z-index: 1; pointer-events: none; mask-image: linear-gradient(90deg, transparent 32%, #000 49%); }
.hero-energy::before { content: ""; position: absolute; inset: -80% -30%; background: linear-gradient(110deg, transparent 43%, #fff0 46%, #e7ffffd1 49.2%, #38ffffb8 50%, #ffffffdb 50.8%, transparent 54%); transform: translateX(-70%); filter: blur(.2px); animation: energy-sweep 3.6s cubic-bezier(.4,0,.25,1) infinite; }
.hero-orbit { position: absolute; left: 67%; top: 45%; width: 430px; height: 430px; margin: -215px 0 0 -215px; border: 1px dashed #008e918f; border-radius: 50%; filter: drop-shadow(0 0 7px #19e2e267); animation: orbit-spin 9s linear infinite; }
.hero-orbit::before { content: ""; position: absolute; inset: 24px; border: 2px solid transparent; border-top-color: #00aeb8e6; border-right-color: #00bbc56b; border-radius: 50%; box-shadow: 0 -3px 14px #39ffff7d; }
.hero-orbit::after { content: ""; position: absolute; top: 55px; right: 54px; width: 10px; height: 10px; background: #00cbd2; border: 2px solid #efffff; border-radius: 50%; box-shadow: 0 0 8px #00cbd2, 0 0 22px #00dbe5; }
.hero-orbit-secondary { width: 310px; height: 310px; margin: -155px 0 0 -155px; border-style: solid; border-color: #00a5ad54; animation-duration: 6s; animation-direction: reverse; }
.hero-orbit-secondary::before { inset: 17px; border-top-color: #ffffffd9; border-left-color: #11cbd48c; border-right-color: transparent; }
.hero-orbit-secondary::after { top: auto; right: auto; left: 28px; bottom: 54px; width: 8px; height: 8px; }
.hero-pulse { position: absolute; left: 67%; top: 45%; width: 190px; height: 190px; margin: -95px 0 0 -95px; border: 2px solid #00aeb9a3; border-radius: 50%; box-shadow: inset 0 0 24px #00dfe43d, 0 0 22px #00cdd044; animation: cell-pulse 2.7s ease-out infinite; }
.hero-scanline { position: absolute; left: 35%; right: 0; top: -8%; height: 3px; background: linear-gradient(90deg, transparent, #42f5f5 22%, #eaffff 58%, #23dbdf 82%, transparent); box-shadow: 0 0 8px #00dfe8, 0 0 24px #00dfe89c; opacity: .95; animation: hero-scan 3.1s ease-in-out infinite; }
.hero-scanline::after { content: ""; position: absolute; inset: -30px 0 0; height: 34px; background: linear-gradient(transparent, #50ffff1f); }
.hero-beacon { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: #eaffff; border: 1px solid #00aab4; box-shadow: 0 0 7px #00cdd5, 0 0 18px #00e2e8; animation: beacon-pulse 1.25s ease-in-out infinite alternate; }
.beacon-one { left: 54%; top: 23%; }
.beacon-two { left: 78%; top: 67%; animation-delay: -.45s; }
.beacon-three { left: 91%; top: 32%; animation-delay: -.85s; }
.ruler-scan { position: absolute; left: clamp(12px, 2.08vw, 32px); bottom: 0; width: 32px; height: 300px; pointer-events: none; z-index: 1; overflow: hidden; }
.ruler-scan::after { content: ""; position: absolute; left: 0; right: 0; height: 34px; background: linear-gradient(transparent, #0ad4dc8f, #effffff0, transparent); border-bottom: 2px solid #00bec9a8; box-shadow: 0 8px 18px #00d9df73; animation: ruler-scan 2.6s ease-in-out infinite; }
.hero-copy h1 { animation: hero-enter .95s cubic-bezier(.2,.7,.2,1) both; }
.hero-copy > p { animation: hero-enter 1s .12s cubic-bezier(.2,.7,.2,1) both; }
.hero-copy > .button { animation: hero-enter 1s .24s cubic-bezier(.2,.7,.2,1) both; }
.button-primary { position: relative; overflow: hidden; }
.button-primary::after { content: ""; position: absolute; top: -50%; left: -60%; width: 45%; height: 200%; background: linear-gradient(90deg, transparent, #ffffffa8, transparent); transform: skewX(-20deg); animation: button-sheen 3.5s .6s ease-in-out infinite; pointer-events: none; }
.facts { overflow: hidden; box-shadow: 0 5px 24px #167b8310; }
.facts::before { content: ""; position: absolute; top: 0; left: -25%; width: 28%; height: 2px; background: linear-gradient(90deg, transparent, #1ed9db, #efffff, #1ed9db, transparent); box-shadow: 0 2px 9px #11c9ce8c; animation: panel-sheen 3.8s linear infinite; }
.research-card { transition: transform .4s cubic-bezier(.2,.7,.2,1), box-shadow .4s; }
.card-copy { position: relative; z-index: 1; }
.card-art { transition: transform .8s cubic-bezier(.2,.7,.2,1); animation: card-drift 5.6s ease-in-out infinite alternate; }
.research-card:nth-child(3) .card-art { animation-delay: -1.8s; }
.research-card:nth-child(4) .card-art { animation-delay: -3.5s; }
.research-card::before { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none; border: 1px solid #008c8c00; border-radius: inherit; background: radial-gradient(180px circle at var(--spot-x, 75%) var(--spot-y, 50%), #ffffff8c, transparent 75%); opacity: 0; transition: opacity .35s, border-color .35s; }
.research-card:focus-within { box-shadow: 0 0 0 1px #00969a50; }
.value-list .ui-icon { transition: transform .35s, filter .35s; }
.motion-reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--reveal-delay, 0s), transform .8s var(--reveal-delay, 0s); }
.motion-reveal.is-revealed { opacity: 1; transform: none; }
.hero.motion-paused *, .hero.motion-paused *::before, .hero.motion-paused *::after { animation-play-state: paused !important; }
@media (hover: hover) and (pointer: fine) {
  .research-card:hover { transform: translateY(-6px); box-shadow: 0 14px 28px #0b8e8e24, 0 0 0 1px #16b1b154; }
  .research-card:hover .card-art { transform: scale(1.045); }
  .research-card:hover::before { opacity: 1; border-color: #009c9c40; }
  .value-list li:hover .ui-icon { transform: translateY(-4px); filter: drop-shadow(0 4px 6px #00a8a840); }
}
@keyframes hero-color-breathe { from { filter: saturate(1) brightness(1); } to { filter: saturate(1.14) brightness(1.04); } }
@keyframes hero-image-breathe { from { transform: scale(1); } to { transform: scale(1.045); } }
@keyframes energy-sweep { 0% { transform: translateX(-70%); opacity: 0; } 12% { opacity: 1; } 82% { opacity: .95; } 100% { transform: translateX(70%); opacity: 0; } }
@keyframes orbit-spin { to { transform: rotate(360deg); } }
@keyframes cell-pulse { 0% { transform: scale(.66); opacity: 0; } 18% { opacity: .95; } 100% { transform: scale(2.15); opacity: 0; } }
@keyframes hero-scan { 0% { transform: translateY(0); opacity: 0; } 10% { opacity: .95; } 85% { opacity: .95; } 100% { transform: translateY(410px); opacity: 0; } }
@keyframes beacon-pulse { from { transform: scale(.65); opacity: .45; } to { transform: scale(1.6); opacity: 1; } }
@keyframes card-drift { from { transform: scale(1.005) translateX(0); } to { transform: scale(1.035) translateX(-5px); } }
@keyframes ruler-scan { 0% { transform: translateY(-30px); opacity: 0; } 12%, 85% { opacity: .9; } 100% { transform: translateY(300px); opacity: 0; } }
@keyframes hero-enter { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes button-sheen { 0%, 65% { left: -60%; } 90%, 100% { left: 130%; } }
@keyframes panel-sheen { to { left: 110%; } }
@media (max-width: 1150px) { .ruler-scan { left: 5px; width: 26px; } }
@media (max-width: 640px) {
  .hero-art { transform: none; }
  .hero-energy { top: 175px; mask-image: linear-gradient(transparent, #000 30%); }
  .hero-energy::before { animation-duration: 5.2s; opacity: .72; }
  .hero-orbit { width: 260px; height: 260px; margin: -130px 0 0 -130px; left: 65%; top: 60%; }
  .hero-orbit::before { inset: 18px; }
  .hero-orbit::after { top: 34px; right: 34px; }
  .hero-pulse { display: none; }
  .hero-scanline { left: 0; animation-duration: 4.4s; opacity: .7; }
  .hero-beacon { width: 6px; height: 6px; }
  .ruler-scan { left: 3px; width: 22px; height: 185px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero-particles, .hero-energy, .ruler-scan { display: none; }
  .hero-art, .research-card:hover, .research-card:hover .card-art, .value-list li:hover .ui-icon { transform: none; }
  .motion-reveal, .hero-copy h1, .hero-copy > p, .hero-copy > .button { opacity: 1; transform: none; }
}

/* ===== 阅读字号：优先保证正文可读性，页面高度由内容决定 ===== */
.nav-link { font-size: 18px; }
.hero-copy > p { font-size: 20px; }
.button { font-size: 16px; min-height: 42px; }
.fact p { font-size: 16px; }
.fact strong { font-size: 23px; }
.fact time > span { font-size: 18px; }
.research-card { min-height: 190px; }
.card-copy { padding-top: 20px; padding-bottom: 18px; }
.card-copy h3 { font-size: 25px; }
.card-copy > p { font-size: 16px; line-height: 1.75; max-width: 280px; }
.card-action { font-size: 15px; margin-top: 18px; min-height: 30px; }
.section-heading h2 { font-size: 26px; }
.about > p, .values > p { font-size: 16px; line-height: 1.85; }
.milestone { font-size: 16px; }
.value-list h3 { font-size: 18px; }
.value-list p { font-size: 16px; }
.footer-main { grid-template-columns: 225px 1fr 360px; gap: 28px; padding-bottom: 22px; }
.footer-nav { padding-inline: 28px; }
.footer-nav h2, .footer-contact h2 { font-size: 17px; }
.footer-nav a, .footer-nav button, .footer-contact > p, .footer-contact address { font-size: 15px; line-height: 1.8; }
.footer-bottom { font-size: 14px; }
.hero-principles { font-size: 14px; }
.hero-principles span { font-size: 11px; }
@media (max-width: 1150px) {
  .main-nav { gap: 25px; }
  .nav-link { font-size: 16px; }
  .fact strong { font-size: 19px; }
  .fact time > span { font-size: 14px; }
  .fact p { font-size: 14px; }
  .card-copy > p { font-size: 15px; }
  .research-card { min-height: 207px; }
  .footer-main { grid-template-columns: 175px 1fr 300px; gap: 22px; }
  .footer-nav { padding-inline: 20px; gap: 15px; }
}
@media (max-width: 900px) {
  .main-nav { gap: 18px; }
  .fact strong { font-size: 17px; }
  .fact .ui-icon { width: 26px; height: 26px; }
  .hero-copy > p { font-size: 18px; }
  .card-copy > p { font-size: 16px; }
  .research-card { min-height: 190px; }
  .footer-main { grid-template-columns: 1fr 1.4fr; gap: 26px; }
  .footer-nav { padding-right: 0; }
  .footer-contact { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .nav-link { font-size: 18px; }
  .hero-copy > p { font-size: 16px; max-width: 300px; }
  .fact strong { font-size: 18px; }
  .fact p { font-size: 13px; }
  .card-copy > p { font-size: 16px; max-width: 235px; }
  .card-copy h3 { font-size: 25px; }
  .research-card { min-height: 207px; }
  .section-heading h2 { font-size: 25px; }
  .about > p, .values > p { font-size: 17px; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-nav { padding-inline: 0; }
  .footer-contact { grid-column: auto; }
  .footer-bottom { font-size: 13px; }
}

/* 长句均衡换行；浅色遮罩确保较大字号不与仪器细节混在一起。 */
.diagnosis::after { background: linear-gradient(90deg, #eaf7f8 3%, #eaf7f8f5 47%, #eaf7f8d9 58%, #eaf7f800 82%); }
@media (max-width: 640px) { .hero-copy > p { text-wrap: balance; } }

/* ===== 精致生物科技动效：保持画面干净，让素材自身产生空间感 ===== */
.hero-art {
  animation: refined-color-breathe 10s ease-in-out infinite alternate;
}
.hero-art img {
  animation: refined-lens-breathe 10s ease-in-out infinite alternate;
  transform-origin: 68% 48%;
}
.hero-orbit-map {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform: translate3d(var(--orbit-x, 0), var(--orbit-y, 0), 0);
  transition: transform .65s cubic-bezier(.2, .65, .3, 1);
}
.orbit-traces use {
  fill: none;
  stroke: #008c8c;
  stroke-width: .8;
  stroke-dasharray: 2 10;
  opacity: .17;
}
.orbit-movers circle {
  fill: #00a8ad;
  stroke: #efffff;
  stroke-width: 1.5;
}
.core-aura {
  fill: none;
  stroke: #13aeb2;
  stroke-width: 1;
  transform-box: fill-box;
  transform-origin: center;
}
.core-aura-one {
  opacity: .34;
  animation: refined-core-breathe 4.8s ease-out infinite;
}
.core-aura-two {
  opacity: .2;
  animation: refined-core-breathe 4.8s 1.2s ease-out infinite;
}
.hero-particles,
.hero-energy,
.ruler-scan {
  display: none;
}
.facts::before {
  display: none;
}
.button-primary::after {
  opacity: .52;
  animation-duration: 6s;
}
.card-art {
  animation: none;
}
.research-card::before {
  background: radial-gradient(210px circle at var(--spot-x, 75%) var(--spot-y, 50%), #ffffff73, transparent 75%);
}
.refined-reveal {
  opacity: 0;
  transform: translateY(24px) scale(.992);
  transition:
    opacity .78s calc(var(--reveal-order, 0) * 55ms) cubic-bezier(.2, .65, .25, 1),
    transform .78s calc(var(--reveal-order, 0) * 55ms) cubic-bezier(.2, .65, .25, 1);
}
.refined-reveal.is-revealed {
  opacity: 1;
  transform: none;
}
.research-card.refined-reveal:nth-of-type(1) { --reveal-order: 0 !important; }
.research-card.refined-reveal:nth-of-type(2) { --reveal-order: 1 !important; }
.research-card.refined-reveal:nth-of-type(3) { --reveal-order: 2 !important; }

@keyframes refined-color-breathe {
  from { filter: saturate(1) brightness(1); }
  to { filter: saturate(1.07) brightness(1.025); }
}
@keyframes refined-lens-breathe {
  from { transform: scale(1); }
  to { transform: scale(1.025); }
}
@keyframes refined-core-breathe {
  0% { opacity: 0; transform: scale(.78); }
  24% { opacity: .4; }
  100% { opacity: 0; transform: scale(1.48); }
}

@media (max-width: 640px) {
  .hero-orbit-map { display: none; }
  .hero-art img { animation-duration: 14s; transform-origin: 70% 62%; }
  .refined-reveal { transform: translateY(18px); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-art,
  .hero-art img,
  .core-aura,
  .button-primary::after {
    animation: none !important;
  }
  .hero-orbit-map { display: none; }
  .refined-reveal { opacity: 1; transform: none; transition: none; }
}

/* ===== 高可见度动效：持续运行，打开页面即可看见 ===== */
.hero-orbit-map {
  filter: saturate(1.25) contrast(1.05);
}
.orbit-traces use {
  stroke: #009ca3;
  stroke-width: 1.25;
  stroke-dasharray: 5 12;
  opacity: .38;
  animation: orbit-line-flow 1.8s linear infinite;
}
.orbit-traces use:nth-child(2) { animation-duration: 2.4s; animation-direction: reverse; }
.orbit-traces use:nth-child(3) { animation-duration: 2.1s; }
.core-rotor {
  transform-box: view-box;
  transform-origin: 1477.7px 326px;
  animation: core-rotor-spin 7.5s linear infinite;
  filter: drop-shadow(0 0 4px #00b7be8c);
}
.rotor-ring,
.rotor-arc {
  fill: none;
  stroke-linecap: round;
}
.rotor-ring-outer {
  stroke: #008f97;
  stroke-width: 1.5;
  stroke-dasharray: 4 11 27 9;
  opacity: .56;
}
.rotor-ring-inner {
  stroke: #36d9dd;
  stroke-width: 1.2;
  stroke-dasharray: 48 18 7 21;
  opacity: .48;
}
.rotor-arc {
  stroke: #e8ffff;
  stroke-width: 3;
  filter: drop-shadow(0 0 5px #00d6de) drop-shadow(0 0 10px #00c2ca);
}
.rotor-arc-two { opacity: .72; }
.rotor-node {
  fill: #efffff;
  stroke: #009da5;
  stroke-width: 2;
  filter: drop-shadow(0 0 6px #00dce5);
}
.rotor-node-small { opacity: .86; }
.core-aura {
  stroke-width: 1.8;
  filter: drop-shadow(0 0 5px #00c7cd88);
}
.core-aura-one { opacity: .56; animation-duration: 3s; }
.core-aura-two { opacity: .38; animation-duration: 3s; animation-delay: .75s; }
@keyframes orbit-line-flow {
  to { stroke-dashoffset: -34; }
}
@keyframes core-rotor-spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 640px) {
  .hero-orbit-map { display: none; }
}

/* 用户已明确要求展示动效：系统减少动态效果开启时保留更慢的核心动画。 */
@media (prefers-reduced-motion: reduce) {
  .hero-orbit-map { display: block !important; }
  .orbit-traces use { animation: orbit-line-flow 3.6s linear infinite !important; }
  .core-rotor { animation: core-rotor-spin 15s linear infinite !important; }
  .core-aura-one { animation: refined-core-breathe 5.5s ease-out infinite !important; }
  .core-aura-two { animation: refined-core-breathe 5.5s 1.35s ease-out infinite !important; }
  .hero-art img { animation: refined-lens-breathe 16s ease-in-out infinite alternate !important; }
}

@media (max-width: 640px) and (prefers-reduced-motion: reduce) {
  .hero-orbit-map { display: none !important; }
}

/* 光环与背景使用同一个变换层，避免景深与鼠标移动造成坐标漂移。 */
.hero-art img {
  position: relative;
  z-index: 0;
  animation: none;
}
.hero-art .hero-orbit-map {
  z-index: 1;
  transform: none;
  transition: none;
}
@media (prefers-reduced-motion: reduce) {
  .hero-art img { animation: none !important; }
}

/* 研究卡片仅在进入视口时播放一次，结束后保持静止。 */
.research-card.refined-reveal { --card-enter-delay: 0ms; }
.research-card.refined-reveal:nth-of-type(2) { --card-enter-delay: 110ms; }
.research-card.refined-reveal:nth-of-type(3) { --card-enter-delay: 220ms; }
.research-card.refined-reveal .card-art,
.research-card.refined-reveal .card-copy { animation: none; }
.research-card.refined-reveal.is-revealed {
  animation: tech-card-enter 1.08s var(--card-enter-delay) cubic-bezier(.16, .74, .24, 1) backwards;
}
.research-card.refined-reveal.is-revealed .card-art {
  animation: tech-card-art-enter 1.15s calc(var(--card-enter-delay) + 40ms) cubic-bezier(.18, .72, .24, 1) backwards;
}
.research-card.refined-reveal.is-revealed .card-copy {
  animation: tech-card-copy-enter .82s calc(var(--card-enter-delay) + 110ms) cubic-bezier(.18, .72, .24, 1) backwards;
}

@keyframes tech-card-enter {
  0% { opacity: 0; transform: translateY(30px) scale(.975); filter: brightness(.9) saturate(.78); box-shadow: 0 0 0 #087a8400, inset 0 0 0 1px #61ffff00; }
  62% { opacity: 1; box-shadow: 0 18px 38px #087a8430, inset 0 0 0 1px #61e9e954; }
  100% { opacity: 1; transform: none; filter: none; box-shadow: 0 3px 12px #087a8410, inset 0 0 0 1px #35d4d414; }
}
@keyframes tech-card-art-enter {
  0% { opacity: .34; transform: scale(1.07) translateX(12px); filter: blur(5px) saturate(.7); }
  72% { opacity: 1; }
  100% { opacity: 1; transform: none; filter: none; }
}
@keyframes tech-card-copy-enter {
  0% { opacity: 0; transform: translateY(12px); filter: blur(3px); }
  100% { opacity: 1; transform: none; filter: none; }
}

/* 当前系统启用了减少动态效果，但用户明确要求保留本次卡片入场。 */
@media (prefers-reduced-motion: reduce) {
  .research-card.refined-reveal { opacity: 0; transform: translateY(30px) scale(.975); }
  .research-card.refined-reveal.is-revealed { animation: tech-card-enter 1.08s var(--card-enter-delay) cubic-bezier(.16, .74, .24, 1) backwards !important; }
  .research-card.refined-reveal.is-revealed .card-art { animation: tech-card-art-enter 1.15s calc(var(--card-enter-delay) + 40ms) cubic-bezier(.18, .72, .24, 1) backwards !important; }
  .research-card.refined-reveal.is-revealed .card-copy { animation: tech-card-copy-enter .82s calc(var(--card-enter-delay) + 110ms) cubic-bezier(.18, .72, .24, 1) backwards !important; }
}

/* 公司介绍与企业理念：整体渐变进入，内部信息按阅读顺序依次显现。 */
.about.refined-reveal,
.values.refined-reveal { --section-enter-delay: 0ms; }
.values.refined-reveal { --section-enter-delay: 120ms; }
.company-row { overflow: clip; overflow-clip-margin: 28px; }
.about.refined-reveal > .section-heading,
.about.refined-reveal > p,
.about.refined-reveal > .milestone,
.values.refined-reveal > .section-heading,
.values.refined-reveal > p,
.values.refined-reveal .value-list > li { opacity: 0; }
.about.refined-reveal.is-revealed {
  animation: tech-section-enter-up 1s var(--section-enter-delay) cubic-bezier(.2, .68, .26, 1) both;
}
.values.refined-reveal.is-revealed {
  animation: tech-section-enter-right 1s var(--section-enter-delay) cubic-bezier(.2, .68, .26, 1) both;
}
.about.refined-reveal.is-revealed > .section-heading,
.values.refined-reveal.is-revealed > .section-heading {
  animation: tech-section-detail .72s calc(var(--section-enter-delay) + 90ms) cubic-bezier(.18, .72, .24, 1) both;
}
.about.refined-reveal.is-revealed > p:nth-of-type(1),
.values.refined-reveal.is-revealed > p {
  animation: tech-section-detail .78s calc(var(--section-enter-delay) + 170ms) cubic-bezier(.18, .72, .24, 1) both;
}
.about.refined-reveal.is-revealed > p:nth-of-type(2) {
  animation: tech-section-detail .78s calc(var(--section-enter-delay) + 250ms) cubic-bezier(.18, .72, .24, 1) both;
}
.about.refined-reveal.is-revealed > .milestone {
  animation: tech-section-detail .8s calc(var(--section-enter-delay) + 340ms) cubic-bezier(.18, .72, .24, 1) both;
}
.values.refined-reveal.is-revealed .value-list > li {
  --value-enter-delay: 250ms;
  animation: tech-value-enter .76s calc(var(--section-enter-delay) + var(--value-enter-delay)) cubic-bezier(.18, .72, .24, 1) both;
}
.values.refined-reveal.is-revealed .value-list > li:nth-child(2) { --value-enter-delay: 320ms; }
.values.refined-reveal.is-revealed .value-list > li:nth-child(3) { --value-enter-delay: 390ms; }
.values.refined-reveal.is-revealed .value-list > li:nth-child(4) { --value-enter-delay: 460ms; }

@keyframes tech-section-enter-up {
  0% { opacity: 0; transform: translate3d(0, 50px, 0); }
  100% { opacity: 1; transform: none; }
}
@keyframes tech-section-enter-right {
  0% { opacity: 0; transform: translate3d(70px, 0, 0); }
  100% { opacity: 1; transform: none; }
}
@keyframes tech-section-detail {
  0% { opacity: 0; transform: translate3d(0, 22px, 0); }
  100% { opacity: 1; transform: none; }
}
@keyframes tech-value-enter {
  0% { opacity: 0; transform: translate3d(0, 34px, 0) scale(.96); }
  70% { opacity: 1; transform: translate3d(0, -2px, 0) scale(1.01); }
  100% { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .about.refined-reveal,
  .values.refined-reveal { opacity: 0; }
  .about.refined-reveal.is-revealed { animation: tech-section-enter-up 1s var(--section-enter-delay) cubic-bezier(.2, .68, .26, 1) both !important; }
  .values.refined-reveal.is-revealed { animation: tech-section-enter-right 1s var(--section-enter-delay) cubic-bezier(.2, .68, .26, 1) both !important; }
  .about.refined-reveal.is-revealed > .section-heading,
  .about.refined-reveal.is-revealed > p,
  .about.refined-reveal.is-revealed > .milestone,
  .values.refined-reveal.is-revealed > .section-heading,
  .values.refined-reveal.is-revealed > p { animation: tech-section-detail .8s calc(var(--section-enter-delay) + 160ms) cubic-bezier(.18, .72, .24, 1) both !important; }
  .values.refined-reveal.is-revealed .value-list > li { animation: tech-value-enter .8s calc(var(--section-enter-delay) + var(--value-enter-delay)) cubic-bezier(.18, .72, .24, 1) both !important; }
}

/* 上下图文展示：图片从左进入，文字从右进入。 */
.company-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 32px;
  margin-bottom: 32px;
  overflow: clip;
  overflow-clip-margin: 30px;
}
.company-feature {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  min-height: 260px;
  overflow: hidden;
  border: 1px solid #dcebed;
  border-radius: 6px;
  background: linear-gradient(112deg, #f5fcfc 0%, #fff 62%);
  box-shadow: 0 9px 30px #174b5412;
}
.company-feature.values { padding: 0; border-left: 1px solid #dcebed; }
.feature-media {
  position: relative;
  min-width: 0;
  min-height: 260px;
  margin: 0;
  overflow: hidden;
  background: #eaf7f8;
}
.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 60%, #f7fcfca8 86%, #f9fdfd 100%);
  pointer-events: none;
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.feature-copy {
  align-self: center;
  min-width: 0;
  padding: 30px 38px;
}
.feature-copy > p { color: var(--body); font-size: 16px; line-height: 1.85; }
.feature-copy > p + p { margin-top: 12px; }
.feature-copy .milestone { margin-top: 24px; }
.feature-copy .value-list { margin-top: 22px; }

/* 父区块只负责占位，左右两层各自播放一次入场动画。 */
.company-feature.refined-reveal,
.company-feature.refined-reveal.is-revealed {
  opacity: 1;
  transform: none;
  transition: none;
  animation: none;
}
.company-feature.refined-reveal .feature-media,
.company-feature.refined-reveal .feature-copy { opacity: 0; }
.company-feature.refined-reveal.is-revealed .feature-media {
  animation: feature-media-enter 1s cubic-bezier(.2, .68, .26, 1) backwards;
}
.company-feature.refined-reveal.is-revealed .feature-copy {
  animation: feature-copy-enter 1s .18s cubic-bezier(.2, .68, .26, 1) backwards;
}
.company-feature.refined-reveal.is-revealed .feature-media img {
  animation: feature-image-settle 1.25s cubic-bezier(.2, .68, .26, 1) backwards;
}
.company-feature.refined-reveal.is-revealed .feature-media,
.company-feature.refined-reveal.is-revealed .feature-copy { opacity: 1; }

@keyframes feature-media-enter {
  0% { opacity: 0; transform: translate3d(-72px, 0, 0); clip-path: inset(0 100% 0 0); }
  100% { opacity: 1; transform: none; clip-path: inset(0); }
}
@keyframes feature-copy-enter {
  0% { opacity: 0; transform: translate3d(72px, 0, 0); }
  100% { opacity: 1; transform: none; }
}
@keyframes feature-image-settle {
  0% { transform: scale(1.08); filter: saturate(.78) brightness(1.08); }
  100% { transform: scale(1); filter: none; }
}

@media (max-width: 900px) {
  .company-feature { grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr); }
  .feature-copy { padding: 26px 28px; }
  .feature-copy .value-list { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 20px; }
}
@media (max-width: 640px) {
  .company-row { gap: 20px; margin-block: 28px; }
  .company-feature { grid-template-columns: 1fr; }
  .feature-media { min-height: 190px; }
  .feature-media::after { background: linear-gradient(180deg, transparent 58%, #f7fcfca8 86%, #f9fdfd 100%); }
  .feature-copy { padding: 23px 20px 26px; }
  .feature-copy > p { font-size: 16px; }
  .company-feature.refined-reveal.is-revealed .feature-media { animation-name: feature-media-enter-mobile; }
  .company-feature.refined-reveal.is-revealed .feature-copy { animation-name: feature-copy-enter-mobile; }
}
@keyframes feature-media-enter-mobile {
  0% { opacity: 0; transform: translate3d(-38px, 0, 0); clip-path: inset(0 100% 0 0); }
  100% { opacity: 1; transform: none; clip-path: inset(0); }
}
@keyframes feature-copy-enter-mobile {
  0% { opacity: 0; transform: translate3d(38px, 0, 0); }
  100% { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .company-feature.refined-reveal,
  .company-feature.refined-reveal.is-revealed { opacity: 1; transform: none; animation: none !important; }
  .company-feature.refined-reveal.is-revealed .feature-media { animation: feature-media-enter 1s cubic-bezier(.2, .68, .26, 1) backwards !important; }
  .company-feature.refined-reveal.is-revealed .feature-copy { animation: feature-copy-enter 1s .18s cubic-bezier(.2, .68, .26, 1) backwards !important; }
  .company-feature.refined-reveal.is-revealed .feature-media img { animation: feature-image-settle 1.25s cubic-bezier(.2, .68, .26, 1) backwards !important; }
}
@media (max-width: 640px) and (prefers-reduced-motion: reduce) {
  .company-feature.refined-reveal.is-revealed .feature-media { animation-name: feature-media-enter-mobile !important; }
  .company-feature.refined-reveal.is-revealed .feature-copy { animation-name: feature-copy-enter-mobile !important; }
}

/* 官网阅读层级：扩大字号与行距，增强企业官网的稳定感和开阔感。 */
body { font-size: 18px; }
.nav-link { font-size: 19px; font-weight: 600; }
.hero h1 { font-size: clamp(48px, 4.25vw, 66px); letter-spacing: .025em; }
.hero-copy > p { font-size: 22px; line-height: 1.7; }
.button { min-height: 46px; padding-inline: 21px; font-size: 17px; }
.fact strong { font-size: 25px; }
.fact time > span { font-size: 20px; }
.fact p { font-size: 16px; }
.research-card { min-height: 210px; }
.card-copy { padding: 24px 26px 22px; }
.card-copy h3 { font-size: 29px; }
.card-copy > p { max-width: 315px; font-size: 18px; line-height: 1.75; }
.card-action { min-height: 32px; margin-top: 20px; font-size: 16px; }
.section-heading { margin-bottom: 10px; }
.section-heading h2 { font-size: 32px; line-height: 1.35; }
.feature-copy > p { font-size: 18px; line-height: 1.9; }
.feature-copy .milestone { font-size: 17px; }
.value-list h3 { font-size: 20px; }
.value-list p { font-size: 16px; }
.footer-nav h2,
.footer-contact h2 { font-size: 18px; }
.footer-nav a,
.footer-nav button,
.footer-contact > p,
.footer-contact address { font-size: 16px; line-height: 1.85; }
.footer-bottom { font-size: 14px; }

@media (max-width: 1150px) {
  .nav-link { font-size: 17px; }
  .hero h1 { font-size: 52px; }
  .hero-copy > p { font-size: 20px; }
  .fact strong { font-size: 21px; }
  .fact time > span { font-size: 16px; }
  .fact p { font-size: 15px; }
  .card-copy h3 { font-size: 27px; }
  .card-copy > p { font-size: 17px; }
  .section-heading h2 { font-size: 30px; }
  .feature-copy > p { font-size: 17px; }
}
@media (max-width: 900px) {
  .nav-link { font-size: 16px; }
  .hero h1 { font-size: 46px; }
  .hero-copy > p { font-size: 19px; }
  .fact strong { font-size: 19px; }
  .fact p { font-size: 14px; }
  .research-card { min-height: 205px; }
  .card-copy h3 { font-size: 27px; }
  .card-copy > p { font-size: 17px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav-link { font-size: 18px; }
  .hero h1 { font-size: clamp(34px, 9.5vw, 42px); line-height: 1.38; }
  .hero-copy > p { max-width: 320px; font-size: 17px; line-height: 1.8; }
  .button { min-height: 46px; font-size: 16px; }
  .fact strong { font-size: 19px; }
  .fact p { font-size: 13px; }
  .research-card { min-height: 205px; }
  .card-copy { padding: 22px; }
  .card-copy h3 { font-size: 27px; }
  .card-copy > p { max-width: 265px; font-size: 16px; line-height: 1.8; }
  .card-action { font-size: 15px; }
  .section-heading h2 { font-size: 29px; }
  .feature-copy > p { font-size: 17px; line-height: 1.9; }
  .feature-copy .milestone { font-size: 16px; }
  .value-list h3 { font-size: 19px; }
  .value-list p { font-size: 16px; }
  .footer-nav h2,
  .footer-contact h2 { font-size: 17px; }
  .footer-nav a,
  .footer-nav button,
  .footer-contact > p,
  .footer-contact address { font-size: 15px; }
}

/* 页内导航重复切换时，先无痕复位，再按原有层级重新入场。 */
.refined-reveal.is-reveal-resetting,
.refined-reveal.is-reveal-resetting *,
.refined-reveal.is-reveal-resetting *::before,
.refined-reveal.is-reveal-resetting *::after {
  animation: none !important;
  transition: none !important;
}

.facts.is-nav-replayed:not(.is-revealed),
.footer-main.is-nav-replayed:not(.is-revealed) {
  opacity: 0 !important;
  transform: translate3d(0, 30px, 0) !important;
}
.facts.is-nav-replayed.is-revealed,
.footer-main.is-nav-replayed.is-revealed {
  animation: nav-panel-enter .9s cubic-bezier(.2, .68, .26, 1) both !important;
}
@keyframes nav-panel-enter {
  from { opacity: 0; transform: translate3d(0, 30px, 0); }
  to { opacity: 1; transform: none; }
}

.hero.is-nav-replay-a .hero-copy h1 {
  animation: hero-nav-enter-a .95s cubic-bezier(.2, .7, .2, 1) both !important;
}
.hero.is-nav-replay-a .hero-copy > p {
  animation: hero-nav-enter-a 1s .12s cubic-bezier(.2, .7, .2, 1) both !important;
}
.hero.is-nav-replay-a .hero-copy > .button {
  animation: hero-nav-enter-a 1s .24s cubic-bezier(.2, .7, .2, 1) both !important;
}
.hero.is-nav-replay-b .hero-copy h1 {
  animation: hero-nav-enter-b .95s cubic-bezier(.2, .7, .2, 1) both !important;
}
.hero.is-nav-replay-b .hero-copy > p {
  animation: hero-nav-enter-b 1s .12s cubic-bezier(.2, .7, .2, 1) both !important;
}
.hero.is-nav-replay-b .hero-copy > .button {
  animation: hero-nav-enter-b 1s .24s cubic-bezier(.2, .7, .2, 1) both !important;
}
@keyframes hero-nav-enter-a {
  from { opacity: 0; transform: translate3d(0, 24px, 0); }
  to { opacity: 1; transform: none; }
}
@keyframes hero-nav-enter-b {
  from { opacity: 0; transform: translate3d(0, 24px, 0); }
  to { opacity: 1; transform: none; }
}

/* 首屏信息与研究方向：放大间距，形成更舒展的官网节奏。 */
.facts {
  margin-top: -40px;
}
.research {
  gap: 22px;
  margin-top: 34px;
}
.research-card {
  min-height: 230px;
}
.card-copy {
  padding: 28px 30px 26px;
}
.company-row {
  margin-top: 46px;
}

@media (max-width: 1150px) {
  .research { gap: 18px; margin-top: 30px; }
  .research-card { min-height: 220px; }
  .card-copy { padding: 25px 24px 23px; }
  .company-row { margin-top: 38px; }
}
@media (max-width: 900px) {
  .facts { margin-top: -34px; }
}
@media (max-width: 640px) {
  .facts { margin-top: -24px; }
  .research { gap: 18px; margin-top: 26px; }
  .research-card { min-height: 215px; }
  .card-copy { padding: 24px 22px 22px; }
  .company-row { margin-top: 32px; }
}

/* 研究方向卡片再放大一级，保持三列版式与素材比例。 */
.research-card { min-height: 246px; }
.card-copy { padding: 30px 32px 28px; }
.card-copy h3 { font-size: 31px; }
.card-copy > p { font-size: 19px; line-height: 1.78; }
.card-action { min-height: 34px; margin-top: 22px; font-size: 17px; }

@media (max-width: 1150px) {
  .research-card { min-height: 228px; }
  .card-copy { padding: 26px 25px 24px; }
  .card-copy h3 { font-size: 28px; }
  .card-copy > p { font-size: 18px; }
  .card-action { font-size: 16px; }
}
@media (max-width: 640px) {
  .research-card { min-height: 215px; }
  .card-copy { padding: 24px 22px 22px; }
  .card-copy h3 { font-size: 27px; }
  .card-copy > p { font-size: 16px; }
  .card-action { min-height: 32px; margin-top: 20px; font-size: 15px; }
}

/* 研究卡片悬停：明显上浮、镜头推进和高光反馈。 */
.research-card {
  border: 1px solid transparent;
  transition:
    transform .72s cubic-bezier(.22, .61, .36, 1),
    border-color .62s ease,
    box-shadow .78s cubic-bezier(.22, .61, .36, 1) !important;
}
.research-card .card-art {
  transform-origin: 72% 50%;
  transition:
    transform 1.15s cubic-bezier(.22, .61, .36, 1),
    filter .9s ease !important;
}
.research-card .card-copy {
  transition: transform .72s cubic-bezier(.22, .61, .36, 1) !important;
}
.research-card .card-copy h3 {
  transition: color .62s ease, text-shadow .72s ease !important;
}
.research-card::before { transition: opacity .62s ease, border-color .62s ease !important; }
.research-card .card-action svg { transition: transform .58s cubic-bezier(.22, .61, .36, 1) !important; }
.research-card.refined-reveal.is-revealed {
  opacity: 1;
  transform: none;
  filter: none;
}

@media (hover: hover) and (pointer: fine) {
  .research-card:hover,
  .research-card.refined-reveal.is-revealed:hover {
    z-index: 2;
    transform: translate3d(0, -8px, 0) scale(1.006);
    border-color: rgb(0 156 160 / 34%);
    box-shadow: 0 18px 42px rgb(8 95 103 / 18%), 0 0 0 1px rgb(32 211 214 / 10%);
  }
  .research-card:hover .card-art {
    transform: scale(1.085);
    filter: saturate(1.1) contrast(1.025) brightness(1.02);
  }
  .research-card:hover .card-copy {
    transform: translate3d(3px, 0, 0);
  }
  .research-card:hover .card-copy h3 {
    color: #007f83;
    text-shadow: 0 7px 20px rgb(0 140 144 / 18%);
  }
  .research-card:hover::before {
    opacity: 1;
    border-color: rgb(0 169 173 / 44%);
  }
  .research-card:hover .card-action svg {
    transform: translateX(7px);
  }
}

/* 企业理念采用文字在左、图片在右的镜像布局。 */
.company-feature.values .feature-copy {
  grid-column: 1;
  grid-row: 1;
}
.company-feature.values .feature-media {
  grid-column: 2;
  grid-row: 1;
}
.company-feature.values .feature-media::after {
  background: linear-gradient(90deg, #f9fdfd 0%, #f7fcfca8 14%, transparent 40%);
}
.company-feature.values.refined-reveal.is-revealed .feature-copy {
  animation-name: feature-copy-enter-left;
}
.company-feature.values.refined-reveal.is-revealed .feature-media {
  animation-name: feature-media-enter-right;
}
@keyframes feature-copy-enter-left {
  0% { opacity: 0; transform: translate3d(-72px, 0, 0); }
  100% { opacity: 1; transform: none; }
}
@keyframes feature-media-enter-right {
  0% { opacity: 0; transform: translate3d(72px, 0, 0); clip-path: inset(0 0 0 100%); }
  100% { opacity: 1; transform: none; clip-path: inset(0); }
}
@media (max-width: 640px) {
  .company-feature.values .feature-copy,
  .company-feature.values .feature-media {
    grid-column: auto;
    grid-row: auto;
  }
  .company-feature.values .feature-media::after {
    background: linear-gradient(180deg, #f9fdfd 0%, transparent 28%, transparent 100%);
  }
  .company-feature.values.refined-reveal.is-revealed .feature-copy {
    animation-name: feature-copy-enter-mobile;
  }
  .company-feature.values.refined-reveal.is-revealed .feature-media {
    animation-name: feature-media-enter-mobile;
  }
}

/* 研究方向卡片悬停时切换为完整说明，使用检简青绿色体系。 */
.research-card {
  min-height: 268px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgb(10 92 99 / 8%);
}
.research-card .card-art {
  z-index: 0;
  object-fit: cover;
}
.research-card::after {
  z-index: 1;
  opacity: 1;
  background: linear-gradient(90deg, rgb(232 248 249 / 98%) 3%, rgb(232 248 249 / 91%) 38%, rgb(232 248 249 / 10%) 79%);
  transition: opacity .72s cubic-bezier(.22, .61, .36, 1);
}
.research-card::before {
  z-index: 2;
  border: 1px solid rgb(116 239 233 / 0%);
  background:
    linear-gradient(115deg, rgb(0 158 161 / 96%) 0%, rgb(0 133 139 / 93%) 54%, rgb(0 105 114 / 87%) 100%);
  opacity: 0;
  clip-path: inset(0 100% 0 0 round 12px);
  transition:
    opacity .72s ease,
    clip-path .82s cubic-bezier(.2, .72, .22, 1),
    border-color .72s ease !important;
}
.research-card .card-copy {
  position: relative;
  z-index: 3;
  transition:
    opacity .42s ease,
    transform .68s cubic-bezier(.22, .61, .36, 1),
    filter .5s ease !important;
}
.card-hover-copy {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px 31px;
  color: #fff;
  opacity: 0;
  transform: translate3d(0, 20px, 0);
  filter: blur(4px);
  pointer-events: none;
  transition:
    opacity .52s .12s ease,
    transform .76s .1s cubic-bezier(.2, .72, .22, 1),
    filter .62s .1s ease;
}
.card-hover-copy h3 {
  font-size: 28px;
  line-height: 1.35;
  font-weight: 700;
}
.card-hover-copy p {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.76;
  color: rgb(255 255 255 / 94%);
}
@media (hover: hover) and (pointer: fine) {
  .research-card:hover,
  .research-card.refined-reveal.is-revealed:hover {
    transform: translate3d(0, -7px, 0);
    border-color: rgb(43 213 211 / 48%);
    box-shadow: 0 24px 52px rgb(0 92 101 / 22%), 0 0 0 1px rgb(142 255 250 / 18%);
  }
  .research-card:hover::before {
    opacity: 1;
    clip-path: inset(0 round 12px);
    border-color: rgb(145 255 250 / 35%);
  }
  .research-card:hover::after { opacity: 0; }
  .research-card:hover .card-art {
    transform: scale(1.095);
    filter: saturate(1.12) contrast(1.03) brightness(.92);
  }
  .research-card:hover .card-copy {
    opacity: 0;
    transform: translate3d(0, -15px, 0);
    filter: blur(3px);
  }
  .research-card:hover .card-hover-copy {
    opacity: 1;
    transform: none;
    filter: none;
  }
}
@media (max-width: 1150px) {
  .research-card { min-height: 252px; }
  .card-hover-copy { padding: 24px; }
  .card-hover-copy h3 { font-size: 25px; }
  .card-hover-copy p { font-size: 15px; line-height: 1.68; }
}
@media (max-width: 640px) {
  .research-card { min-height: 230px; }
  .card-hover-copy { display: none; }
}

/* 栏目结构预览：六个一级栏目与下拉二级栏目。 */
.main-nav {
  gap: clamp(22px, 2.55vw, 40px);
}
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-submenu {
  position: absolute;
  top: calc(100% - 7px);
  left: 50%;
  z-index: 20;
  min-width: 150px;
  padding: 10px;
  border: 1px solid rgb(0 146 151 / 14%);
  border-radius: 10px;
  background: rgb(255 255 255 / 96%);
  box-shadow: 0 18px 42px rgb(17 68 76 / 16%);
  opacity: 0;
  visibility: hidden;
  transform: translate3d(-50%, 12px, 0);
  transition: opacity .28s ease, transform .42s cubic-bezier(.22, .61, .36, 1), visibility .28s;
}
.nav-submenu::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -5px;
  width: 10px;
  height: 10px;
  background: #fff;
  border-left: 1px solid rgb(0 146 151 / 14%);
  border-top: 1px solid rgb(0 146 151 / 14%);
  transform: translateX(-50%) rotate(45deg);
}
.nav-submenu a {
  position: relative;
  display: block;
  padding: 10px 13px;
  border-radius: 7px;
  color: #26383e;
  font-size: 14px;
  white-space: nowrap;
  transition: color .25s ease, background .25s ease, transform .32s ease;
}
.nav-submenu a:hover {
  color: var(--teal);
  background: #eefafa;
  transform: translateX(4px);
}
.nav-item:hover .nav-submenu,
.nav-item:focus-within .nav-submenu {
  opacity: 1;
  visibility: visible;
  transform: translate3d(-50%, 0, 0);
}
.nav-item:last-child .nav-submenu {
  left: auto;
  right: 0;
  transform: translate3d(0, 12px, 0);
}
.nav-item:last-child:hover .nav-submenu,
.nav-item:last-child:focus-within .nav-submenu {
  transform: translate3d(0, 0, 0);
}
.nav-item:last-child .nav-submenu::before {
  left: auto;
  right: 24px;
  transform: rotate(45deg);
}

/* 暂无正式内容的栏目共用该占位模块。 */
.future-content {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, .82fr);
  min-height: 340px;
  margin-top: 48px;
  margin-bottom: 54px;
  overflow: hidden;
  border: 1px solid #dcebed;
  border-radius: 12px;
  background: #f5fbfc;
  box-shadow: 0 16px 42px rgb(12 82 90 / 10%);
}
.future-content > img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
  object-position: center;
}
.future-content-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 42px 44px;
  background: linear-gradient(120deg, #fff, #f6fcfc);
}
.future-content-copy > span {
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
}
.future-content-copy h2 {
  margin-top: 10px;
  font-size: 34px;
  line-height: 1.3;
}
.future-content-copy p {
  margin-top: 15px;
  color: #4f656c;
  font-size: 17px;
  line-height: 1.8;
}
.future-content-copy small {
  margin-top: 22px;
  color: #819298;
  font-size: 13px;
}
.future-content.is-updating .future-content-copy {
  animation: future-copy-reveal .62s cubic-bezier(.2, .7, .2, 1) both;
}
@keyframes future-copy-reveal {
  from { opacity: 0; transform: translate3d(24px, 0, 0); filter: blur(3px); }
  to { opacity: 1; transform: none; filter: none; }
}

@media (max-width: 1150px) {
  .main-nav { gap: 22px; }
  .nav-link { font-size: 15px; }
  .future-content { grid-template-columns: 1fr 390px; margin-top: 48px; }
}
@media (max-width: 900px) {
  .main-nav { gap: 14px; }
  .nav-link { font-size: 13px; }
  .future-content { grid-template-columns: 1fr 340px; margin-top: 42px; }
  .future-content-copy { padding: 34px 30px; }
}
@media (min-width: 901px) and (max-width: 1150px) {
  .channel-intro-grid { grid-template-columns: .9fr 1.1fr; gap: 48px; }
  .channel-intro-grid h2,
  .channel-direction-copy > h2,
  .channel-contact-card h2 { font-size: 36px; }
}
@media (max-width: 640px) {
  .nav-item { display: block; }
  .nav-submenu {
    position: static;
    min-width: 0;
    margin: -2px 0 5px 16px;
    padding: 0 0 2px 12px;
    border: 0;
    border-left: 1px solid #d4e9ea;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav-submenu::before { display: none; }
  .nav-submenu a { padding: 8px 12px; font-size: 14px; }
  .future-content { grid-template-columns: 1fr; min-height: 0; margin-top: 36px; margin-bottom: 36px; }
  .future-content > img { min-height: 210px; }
  .future-content-copy { padding: 28px 24px 32px; }
  .future-content-copy h2 { font-size: 28px; }
  .future-content-copy p { font-size: 16px; }
}

/* 独立栏目页预览：首页负责总览，一级导航进入页面顶部。 */
.channel-site { background: #fff; }
.channel-site .site-header { position: sticky; top: 0; z-index: 50; box-shadow: 0 1px 0 rgb(22 65 71 / 8%); }
.channel-hero {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  background: #eef9fa;
}
.channel-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgb(240 251 251 / 98%) 0%, rgb(240 251 251 / 88%) 31%, rgb(240 251 251 / 12%) 65%);
}
.channel-site.view-contact .channel-hero::after { display: none; }
.channel-site.view-contact .channel-hero > img { filter: none; opacity: 1; }
.channel-site.view-about .channel-hero::after { display: none; }
.channel-site.view-about .channel-hero { min-height: 430px; background: #eef9fb; }
.channel-site.view-about .channel-hero-inner { min-height: 430px; }
.channel-site.view-about .channel-hero > img { left: 0; right: auto; width: 100%; filter: saturate(.9) contrast(.97) brightness(1.01); object-position: center; }
.channel-hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.channel-hero-inner { position: relative; z-index: 2; min-height: 430px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.channel-hero-inner > span,
.channel-kicker { color: var(--teal); font-size: 13px; font-weight: 700; letter-spacing: .17em; }
.channel-hero-inner h1 { margin-top: 12px; font-size: clamp(46px, 4.6vw, 72px); line-height: 1.2; }
.channel-hero-inner p { max-width: 600px; margin-top: 18px; color: #3f575e; font-size: 20px; line-height: 1.8; }
.channel-subnav-bar { position: sticky; top: 80px; z-index: 40; min-height: 76px; border-bottom: 1px solid #dbeaec; background: rgb(255 255 255 / 96%); }
.channel-subnav { display: flex; align-items: center; justify-content: center; gap: 52px; min-height: 76px; }
.channel-subnav a { position: relative; padding: 25px 4px; color: #4a5d63; font-size: 17px; font-weight: 600; }
.channel-subnav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 14px; height: 2px; background: var(--teal); transform: scaleX(0); transition: transform .3s ease; }
.channel-subnav a:hover,
.channel-subnav a.is-active { color: var(--teal); }
.channel-subnav a:hover::after,
.channel-subnav a.is-active::after { transform: scaleX(1); }
.channel-body { min-height: 520px; padding-top: 32px; padding-bottom: 84px; }
.channel-intro-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 80px; align-items: start; }
.channel-intro-grid h2,
.channel-direction-copy > h2,
.channel-contact-card h2 { margin-top: 12px; font-size: 42px; line-height: 1.35; }
.channel-intro-grid p,
.channel-direction-copy > p,
.channel-contact-card p { color: #41575e; font-size: 18px; line-height: 2; }
.channel-intro-grid p + p { margin-top: 16px; }
.channel-fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 58px; }
.channel-fact-grid article { padding: 28px 30px; border: 1px solid #dcebed; border-radius: 10px; background: linear-gradient(135deg, #f7fdfd, #fff); }
.channel-fact-grid strong { display: block; color: var(--teal); font-size: 23px; }
.channel-fact-grid span { display: block; margin-top: 8px; color: #60757c; font-size: 15px; }
.channel-profile-lead { color: #213f46 !important; font-size: 21px !important; font-weight: 600; line-height: 1.9 !important; }
.channel-profile-principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 70px;
}
.channel-profile-principles article {
  position: relative;
  min-height: 176px;
  padding: 34px 36px;
  overflow: hidden;
  border: 1px solid #d8e9eb;
  border-radius: 14px;
  background: linear-gradient(135deg, #f4fbfb 0%, #fff 72%);
  box-shadow: 0 14px 38px rgb(8 78 86 / 7%);
}
.channel-profile-principles article::after {
  content: "";
  position: absolute;
  right: -48px;
  bottom: -68px;
  width: 150px;
  height: 150px;
  border: 1px solid rgb(0 140 140 / 15%);
  border-radius: 50%;
  box-shadow: 0 0 0 22px rgb(0 140 140 / 4%), 0 0 0 45px rgb(0 140 140 / 3%);
}
.channel-profile-principles span { color: var(--teal); font-size: 12px; font-weight: 700; letter-spacing: .13em; }
.channel-profile-principles h3 { position: relative; z-index: 1; max-width: 430px; margin-top: 18px; color: #19373e; font-size: 23px; line-height: 1.55; }
.channel-profile-closing {
  margin-top: 30px;
  padding: 26px 32px;
  border-left: 4px solid var(--teal);
  border-radius: 0 10px 10px 0;
  color: #1c3e45;
  background: linear-gradient(90deg, rgb(0 151 156 / 10%), rgb(0 151 156 / 2%));
  font-size: 20px;
  font-weight: 650;
  letter-spacing: .03em;
}
.channel-development-values {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 62px;
}
.channel-development-values li {
  position: relative;
  min-height: 190px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid #d8e9eb;
  border-radius: 14px;
  background: linear-gradient(145deg, #fff, #f0fafa);
  box-shadow: 0 14px 36px rgb(8 78 86 / 7%);
}
.channel-development-values li::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -50px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgb(0 151 156 / 7%);
}
.channel-development-values strong { display: block; margin-top: 18px; color: #18383f; font-size: 28px; line-height: 1.2; }
.channel-development-values small { display: block; margin-top: 9px; color: var(--teal); font-size: 11px; font-weight: 700; letter-spacing: .15em; }
.channel-development-callout {
  margin-top: 24px;
  padding: 42px 46px;
  overflow: hidden;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(120deg, #008f92, #08717b);
  box-shadow: 0 20px 46px rgb(7 91 98 / 18%);
}
.channel-development-callout > span { color: rgb(255 255 255 / 70%); font-size: 12px; font-weight: 700; letter-spacing: .15em; }
.channel-development-callout > div { display: flex; align-items: center; gap: 24px; margin-top: 20px; }
.channel-development-callout strong { font-size: clamp(24px, 2.2vw, 34px); line-height: 1.35; }
.channel-development-callout i { color: rgb(255 255 255 / 45%); font-size: 25px; font-style: normal; font-weight: 300; }
.channel-development-callout p { margin-top: 22px; color: rgb(255 255 255 / 78%); font-size: 16px; }
.channel-culture-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 30px; }
.channel-culture-heading h2 { margin-top: 10px; font-size: 42px; line-height: 1.3; }
.channel-culture-heading > p { padding-bottom: 5px; color: #687d83; font-size: 15px; letter-spacing: .12em; }
.channel-culture-showcase { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(350px, .7fr); gap: 22px; align-items: stretch; }
.channel-culture-visual {
  position: relative;
  min-height: 552px;
  margin: 0;
  overflow: hidden;
  border: 1px solid #d8e7e9;
  border-radius: 18px;
  background: #edf9fa;
  box-shadow: 0 18px 46px rgb(9 73 83 / 10%);
}
.channel-culture-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 58% center; transition: transform 1.2s cubic-bezier(.22, .61, .36, 1); }
.channel-culture-visual figcaption { position: absolute; left: 24px; bottom: 22px; padding: 8px 13px; border: 1px solid rgb(255 255 255 / 55%); border-radius: 999px; color: #24666d; background: rgb(255 255 255 / 86%); backdrop-filter: blur(10px); font-size: 12px; font-weight: 650; letter-spacing: .08em; }
.channel-culture-pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.channel-culture-pillars article {
  --culture-accent: #3d98cc;
  position: relative;
  min-height: 360px;
  padding: 26px 30px 32px;
  overflow: hidden;
  border: 1px solid #d8e5e9;
  border-radius: 16px;
  background: linear-gradient(145deg, #fff, #f5fbfd);
  box-shadow: 0 16px 42px rgb(9 73 83 / 8%);
  text-align: center;
}
.channel-culture-pillars article:nth-child(2) { --culture-accent: #27a471; background: linear-gradient(145deg, #fff, #f2fbf6); }
.channel-culture-pillars article:nth-child(3) { --culture-accent: #df7a2f; background: linear-gradient(145deg, #fff, #fff8f1); }
.channel-culture-pillars article::after {
  display: none;
}
.channel-culture-icon { display: grid; place-items: center; width: 126px; height: 126px; margin: 0 auto 12px; border-radius: 50%; background: color-mix(in srgb, var(--culture-accent) 9%, #fff); }
.channel-culture-icon img { width: 118px; height: 118px; object-fit: contain; filter: drop-shadow(0 10px 16px color-mix(in srgb, var(--culture-accent) 20%, transparent)); }
.channel-culture-pillars span { color: var(--culture-accent); font-size: 11px; font-weight: 700; letter-spacing: .14em; }
.channel-culture-pillars h3 { margin-top: 9px; color: #18353c; font-size: 32px; line-height: 1.2; }
.channel-culture-pillars p { position: relative; z-index: 1; margin-top: 15px; color: #4d646b; font-size: 17px; line-height: 1.78; }
.channel-culture-values { margin-top: 66px; }
@media (hover: hover) and (pointer: fine) {
  .channel-culture-visual:hover img { transform: scale(1.035); }
}
.channel-culture-values-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 36px; margin-bottom: 30px; }
.channel-culture-values-title { display: flex; align-items: center; gap: 18px; }
.channel-culture-values-icon { display: grid; flex: 0 0 78px; place-items: center; width: 78px; height: 78px; border-radius: 24px; background: linear-gradient(145deg, #f0efff, #f1fbfb); }
.channel-culture-values-icon img { width: 72px; height: 72px; object-fit: contain; filter: drop-shadow(0 8px 12px rgb(69 80 181 / 16%)); }
.channel-culture-values-head span { color: var(--teal); font-size: 12px; font-weight: 700; letter-spacing: .15em; }
.channel-culture-values-head h2 { margin-top: 8px; font-size: 34px; line-height: 1.3; }
.channel-culture-values-head > p { padding-bottom: 5px; color: #687d83; font-size: 15px; font-weight: 400; letter-spacing: .12em; }
.channel-culture-value-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.channel-culture-value-grid article {
  --culture-accent: #3d98cc;
  min-height: 190px;
  padding: 30px 34px;
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  align-items: center;
  gap: 22px;
  border: 1px solid #dce9ed;
  border-radius: 12px;
  background: linear-gradient(110deg, rgb(236 247 255 / 86%), #fff);
}
.channel-culture-value-grid article:nth-child(2) { --culture-accent: #27a471; background: linear-gradient(110deg, rgb(238 250 243 / 88%), #fff); }
.channel-culture-value-grid article:nth-child(3) { --culture-accent: #df7a2f; background: linear-gradient(110deg, rgb(255 246 236 / 90%), #fff); }
.channel-culture-value-grid article:nth-child(4) { --culture-accent: #7358b5; background: linear-gradient(110deg, rgb(245 241 255 / 90%), #fff); }
.channel-culture-value-icon { display: grid; place-items: center; width: 66px; height: 66px; border-radius: 20px; color: var(--culture-accent); background: color-mix(in srgb, var(--culture-accent) 9%, #fff); }
.channel-culture-value-icon svg { width: 40px; height: 40px; fill: none; stroke: currentColor; stroke-width: 2.3; stroke-linecap: round; stroke-linejoin: round; }
.channel-culture-value-grid span { color: var(--culture-accent); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.channel-culture-value-grid h3 { margin-top: 13px; color: #1a373e; font-size: 22px; line-height: 1.4; }
.channel-culture-value-grid p { margin-top: 10px; color: #62777d; font-size: 15px; line-height: 1.8; }
.channel-belief-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 52px; }
.channel-belief-grid article { padding: 34px 20px; border-radius: 10px; color: #fff; background: linear-gradient(145deg, #00a5a6, #007d85); text-align: center; font-size: 21px; font-weight: 700; }
.channel-belief-grid small { display: block; margin-top: 8px; color: rgb(255 255 255 / 78%); font-size: 14px; font-weight: 400; }
.channel-direction-copy { max-width: 960px; }
.channel-direction-copy > p { max-width: 880px; margin-top: 20px; }
.channel-reserved { position: relative; margin-top: 50px; padding: 46px 48px; overflow: hidden; border: 1px solid #d9e9eb; border-radius: 12px; background: linear-gradient(120deg, #f1fbfb, #fff); box-shadow: 0 16px 42px rgb(12 82 90 / 8%); }
.channel-body > .channel-reserved { margin-top: 0; min-height: 320px; display: flex; flex-direction: column; justify-content: center; }
.channel-reserved > span { color: var(--teal); font-size: 12px; font-weight: 700; letter-spacing: .16em; }
.channel-reserved h2 { margin-top: 10px; font-size: 34px; }
.channel-reserved p { max-width: 720px; margin-top: 14px; color: #52686f; font-size: 17px; line-height: 1.9; }
.channel-reserved small { margin-top: 24px; color: #87989e; font-size: 13px; }
.channel-contact-card { min-height: 320px; padding: 50px; border: 1px solid #dcebed; border-radius: 12px; background: linear-gradient(125deg, #f2fbfb, #fff); }
.channel-contact-card p { margin-top: 22px; }
.channel-contact-overview-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 34px; }
.channel-contact-overview-head h2 { margin-top: 10px; font-size: 42px; line-height: 1.3; }
.channel-contact-overview-head > p { max-width: 480px; padding-bottom: 6px; color: #5d7379; font-size: 17px; text-align: right; }
.channel-contact-info-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.channel-contact-info-grid article {
  min-height: 176px;
  padding: 30px 34px;
  border: 1px solid #d9e9eb;
  border-radius: 14px;
  background: linear-gradient(135deg, #f2fbfb, #fff);
  box-shadow: 0 13px 34px rgb(9 78 87 / 7%);
}
.channel-contact-info-grid article > span { color: var(--teal); font-size: 11px; font-weight: 700; letter-spacing: .15em; }
.channel-contact-info-grid h3 { margin-top: 13px; color: #233f46; font-size: 18px; }
.channel-contact-info-grid a,
.channel-contact-info-grid p { display: block; margin-top: 13px; color: #173b42; font-size: clamp(22px, 2.4vw, 34px); font-weight: 700; line-height: 1.3; }
.channel-contact-info-grid article:last-child p { color: #789096; font-size: 17px; font-weight: 500; }
.channel-contact-info-grid a:hover { color: var(--teal); }
.channel-location-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.channel-location-card {
  overflow: hidden;
  border: 1px solid #d8e7e9;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 18px 44px rgb(7 73 82 / 10%);
}
.channel-location-media { position: relative; height: 400px; overflow: hidden; background: #dceff0; }
.channel-location-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgb(5 51 58 / 42%)); pointer-events: none; }
.channel-location-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s cubic-bezier(.22, .61, .36, 1), filter .8s ease; }
.channel-location-card:nth-child(2) .channel-location-media img { object-position: center 12%; }
.location-preview-trigger { position: absolute; inset: 0; z-index: 2; width: 100%; padding: 0; background: transparent; cursor: zoom-in; }
.location-preview-trigger > span { position: absolute; top: 18px; right: 18px; padding: 6px 12px; border-radius: 999px; color: #fff; background: rgb(9 48 54 / 70%); font-size: 12px; }
.location-preview-trigger:focus-visible { outline-offset: -5px; }
html.location-preview-open { overflow: hidden; }
.location-preview { position: fixed; inset: 0; width: 100%; height: 100%; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 16px; border: 0; color: #fff; background: rgb(8 20 26 / 94%); }
.location-preview[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); gap: 16px; }
.location-preview::backdrop { background: rgb(8 20 26 / 70%); }
.location-preview-toolbar { display: flex; align-items: center; gap: 12px; }
.location-preview-title { flex: 1; min-width: 0; font-size: 14px; }
.location-preview-toolbar button { flex: none; min-height: 44px; padding: 8px 16px; border: 1px solid rgb(255 255 255 / 24%); border-radius: 8px; color: #fff; background: rgb(255 255 255 / 8%); }
.location-preview-toolbar button:hover { background: rgb(255 255 255 / 18%); }
.location-preview-stage { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); min-width: 0; min-height: 0; overflow: auto; overscroll-behavior: contain; }
.location-preview-image { place-self: center; width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; }
.location-preview.is-original-size .location-preview-image { place-self: start; margin: auto; max-width: none; max-height: none; }
.location-preview.is-original-size .location-preview-stage { display: block; }
.channel-location-media > span {
  position: absolute;
  right: 18px;
  bottom: 16px;
  z-index: 1;
  padding: 6px 10px;
  border-radius: 999px;
  color: #fff;
  background: rgb(9 48 54 / 62%);
  backdrop-filter: blur(8px);
  font-size: 11px;
}
.channel-location-copy { padding: 30px 32px 32px; }
.channel-location-copy > span { color: var(--teal); font-size: 11px; font-weight: 700; letter-spacing: .15em; }
.channel-location-copy h3 { margin-top: 10px; color: #17383f; font-size: 29px; line-height: 1.35; }
.channel-location-copy p { margin-top: 13px; color: #5a7076; font-size: clamp(13px, 1.15vw, 16px); line-height: 1.8; white-space: nowrap; }
.channel-location-contacts {
  display: grid;
  gap: 0;
  margin-top: 24px;
  padding-top: 10px;
  border-top: 1px solid #e2edef;
}
.channel-location-contacts > div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  align-items: baseline;
  gap: 18px;
  padding: 10px 0;
}
.channel-location-contacts dt { display: flex; align-items: center; gap: 8px; color: #83969b; font-size: 13px; }
.channel-location-contacts dt svg {
  width: 16px;
  height: 16px;
  flex: none;
  fill: none;
  stroke: var(--teal);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.channel-location-contacts dd { color: #29484e; font-size: 15px; font-weight: 650; }
.channel-location-contacts a { color: var(--teal); }
.channel-location-contacts a:hover { text-decoration: underline; text-underline-offset: 4px; }
@media (hover: hover) and (pointer: fine) {
  .channel-location-card:hover .channel-location-media img { transform: scale(1.045); filter: saturate(1.06); }
}
.channel-contact-map-card {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  min-height: 440px;
  overflow: hidden;
  border: 1px solid #dcebed;
  border-radius: 14px;
  background: linear-gradient(125deg, #f2fbfb, #fff);
  box-shadow: 0 18px 46px rgb(12 82 90 / 9%);
}
.channel-address-copy { display: flex; flex-direction: column; justify-content: center; padding: 56px 50px; }
.channel-address-copy h2 { margin-top: 12px; font-size: 42px; line-height: 1.35; }
.channel-address-copy p { margin-top: 28px; color: #41575e; font-size: 18px; line-height: 2; }
.channel-address-copy small { max-width: 390px; margin-top: 30px; color: #7a8f95; font-size: 13px; line-height: 1.75; }
.channel-map { position: relative; min-height: 440px; overflow: hidden; background: #dceff0; }
.channel-map > img { width: 100%; height: 100%; min-height: 440px; object-fit: cover; filter: saturate(.82) contrast(.98); transition: transform .9s cubic-bezier(.22, .61, .36, 1); }
.channel-map::after { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset 22px 0 36px rgb(239 250 250 / 48%); }
.channel-map-link {
  position: absolute;
  right: 22px;
  bottom: 22px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border: 1px solid rgb(0 140 145 / 16%);
  border-radius: 8px;
  color: #176168;
  background: rgb(255 255 255 / 94%);
  box-shadow: 0 10px 28px rgb(18 67 74 / 16%);
  font-size: 14px;
  font-weight: 650;
  transition: color .3s ease, transform .4s cubic-bezier(.22, .61, .36, 1), box-shadow .4s ease;
}
.channel-map-link:hover { color: var(--teal); transform: translateY(-3px); box-shadow: 0 14px 32px rgb(18 67 74 / 22%); }
.channel-phone-card { display: flex; flex-direction: column; justify-content: center; }
.channel-phone-link { display: inline-flex; align-items: center; gap: 20px; color: var(--teal); font-size: clamp(34px, 4vw, 56px); font-weight: 700; letter-spacing: .02em; }
.channel-phone-link svg { width: .72em; height: .72em; flex: none; fill: currentColor; }
.channel-phone-link:hover { text-decoration: underline; text-underline-offset: 8px; }
@media (hover: hover) and (pointer: fine) {
  .channel-map:hover > img { transform: scale(1.035); }
}

/* 栏目内容卡片：展开、上浮与高光掠过组成一次平滑入场。 */
.channel-card-enter {
  position: relative;
  isolation: isolate;
  opacity: 0;
  clip-path: inset(0 0 0 0 round 14px);
  transform: translate3d(0, 28px, 0) scale(.992);
  filter: blur(5px);
  will-change: opacity, clip-path, transform, filter;
}
.channel-card-enter::before {
  content: "";
  position: absolute;
  top: -40%;
  bottom: -40%;
  left: -44%;
  z-index: 3;
  width: 32%;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(100deg, transparent, rgb(255 255 255 / 58%), rgb(129 231 229 / 18%), transparent);
  transform: skewX(-16deg) translate3d(-120%, 0, 0);
}
.channel-card-enter > * { position: relative; z-index: 1; opacity: 0; transform: translate3d(0, 16px, 0); }
.channel-card-enter.is-entered {
  animation: channel-card-unfold 1.05s cubic-bezier(.2, .76, .22, 1) both;
}
.channel-card-enter.is-entered::before {
  animation: channel-card-sheen 1.25s .18s cubic-bezier(.2, .65, .25, 1) both;
}
.channel-card-enter.is-entered > * {
  animation: channel-card-copy 0.72s .38s cubic-bezier(.2, .72, .24, 1) both;
}
.channel-card-enter.is-entered > *:nth-child(2) { animation-delay: .46s; }
.channel-card-enter.is-entered > *:nth-child(3) { animation-delay: .54s; }
.channel-card-enter.is-entered > *:nth-child(4) { animation-delay: .62s; }
.channel-contact-map-card.channel-card-enter > .channel-address-copy { transform: translate3d(-24px, 0, 0); }
.channel-contact-map-card.channel-card-enter > .channel-map { transform: translate3d(24px, 0, 0); }
.channel-contact-map-card.channel-card-enter.is-entered > .channel-address-copy,
.channel-contact-map-card.channel-card-enter.is-entered > .channel-map { animation-name: channel-card-side; }
@keyframes channel-card-unfold {
  0% { opacity: 0; clip-path: inset(0 0 100% 0 round 14px); transform: translate3d(0, 28px, 0) scale(.992); filter: blur(5px); }
  58% { opacity: 1; clip-path: inset(0 0 0 0 round 14px); filter: blur(0); }
  100% { opacity: 1; clip-path: inset(0 0 0 0 round 14px); transform: none; filter: none; }
}
@keyframes channel-card-sheen {
  0% { opacity: 0; transform: skewX(-16deg) translate3d(-120%, 0, 0); }
  24% { opacity: .9; }
  76% { opacity: .38; }
  100% { opacity: 0; transform: skewX(-16deg) translate3d(640%, 0, 0); }
}
@keyframes channel-card-copy {
  from { opacity: 0; transform: translate3d(0, 16px, 0); }
  to { opacity: 1; transform: none; }
}
@keyframes channel-card-side {
  from { opacity: 0; transform: translate3d(-24px, 0, 0); }
  to { opacity: 1; transform: none; }
}
.channel-contact-map-card.channel-card-enter.is-entered > .channel-map { animation-name: channel-card-side-right; }
@keyframes channel-card-side-right {
  from { opacity: 0; transform: translate3d(24px, 0, 0); }
  to { opacity: 1; transform: none; }
}
/* 仅为栏目卡片保留一次性入场；避免系统“减少动态效果”把卡片永久留在透明初始态。 */
@media (prefers-reduced-motion: reduce) {
  .channel-card-enter.is-entered { animation: channel-card-unfold 1.05s cubic-bezier(.2, .76, .22, 1) both !important; }
  .channel-card-enter.is-entered::before { animation: channel-card-sheen 1.25s .18s cubic-bezier(.2, .65, .25, 1) both !important; }
  .channel-card-enter.is-entered > * { animation: channel-card-copy .72s .38s cubic-bezier(.2, .72, .24, 1) both !important; }
  .channel-card-enter.is-entered > *:nth-child(2) { animation-delay: .46s !important; }
  .channel-card-enter.is-entered > *:nth-child(3) { animation-delay: .54s !important; }
  .channel-card-enter.is-entered > *:nth-child(4) { animation-delay: .62s !important; }
  .channel-contact-map-card.channel-card-enter.is-entered > .channel-address-copy { animation-name: channel-card-side !important; }
  .channel-contact-map-card.channel-card-enter.is-entered > .channel-map { animation-name: channel-card-side-right !important; }
}
/* 统一页脚：品牌 + 公司信息 + 双城地址，单行横排（首页与栏目页共用同一套结构） */
.site-footer-inner { display: grid; grid-template-columns: 240px 1fr 1.6fr; align-items: center; gap: 36px; padding-top: 30px; padding-bottom: 22px; }
.site-footer-inner > .brand { width: 194px; }
.site-footer-info { display: flex; flex-direction: column; gap: 4px; color: #b7c6ca; font-size: 14px; line-height: 1.7; }
.site-footer-info a { color: inherit; }
.site-footer-info a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }

@media (max-width: 900px) {
  .channel-hero, .channel-hero-inner { min-height: 380px; }
  .channel-site.view-about .channel-hero,
  .channel-site.view-about .channel-hero-inner { min-height: 380px; }
  .channel-hero-inner h1 { font-size: 48px; }
  .channel-intro-grid { grid-template-columns: 1fr; gap: 28px; }
  .channel-fact-grid { grid-template-columns: 1fr; }
  .channel-profile-principles { grid-template-columns: 1fr; margin-top: 52px; }
  .channel-development-values { grid-template-columns: repeat(2, 1fr); }
  .channel-culture-showcase { grid-template-columns: 1fr; }
  .channel-culture-visual { min-height: 430px; }
  .channel-culture-pillars { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .channel-culture-pillars article { min-height: 220px; }
  .channel-belief-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer-inner { grid-template-columns: 1fr 1.6fr; row-gap: 14px; }
  .site-footer-inner > .brand { grid-row: span 2; width: 170px; }
  .channel-contact-map-card { grid-template-columns: 1fr; }
  .channel-location-grid { grid-template-columns: 1fr; }
  .channel-address-copy { padding: 44px 38px; }
  .channel-map,
  .channel-map > img { min-height: 360px; }
}
@media (max-width: 640px) {
  .channel-hero, .channel-hero-inner { min-height: 350px; }
  .channel-site.view-about .channel-hero,
  .channel-site.view-about .channel-hero-inner { min-height: 350px; }
  .channel-site.view-about .channel-hero > img { left: 0; width: 100%; object-position: 58% center; }
  .channel-hero::after { background: linear-gradient(90deg, rgb(240 251 251 / 96%), rgb(240 251 251 / 58%)); }
  .channel-hero-inner h1 { font-size: 39px; }
  .channel-hero-inner p { max-width: 88%; font-size: 16px; }
  .channel-subnav { justify-content: flex-start; gap: 28px; overflow-x: auto; }
  .channel-subnav a { flex: none; font-size: 15px; }
  .channel-body { padding-top: 46px; padding-bottom: 54px; }
  .channel-intro-grid h2,
  .channel-direction-copy > h2,
  .channel-contact-card h2 { font-size: 32px; }
  .channel-intro-grid p,
  .channel-direction-copy > p,
  .channel-contact-card p { font-size: 16px; }
  .channel-contact-overview-head { display: block; margin-bottom: 28px; }
  .channel-contact-overview-head h2 { font-size: 32px; }
  .channel-contact-overview-head > p { margin-top: 12px; padding: 0; text-align: left; font-size: 15px; }
  .channel-contact-info-grid { grid-template-columns: 1fr; gap: 12px; }
  .channel-contact-info-grid article { min-height: 0; padding: 25px 24px; }
  .channel-location-grid { gap: 16px; }
  .channel-location-media { height: 230px; }
  .channel-location-copy { padding: 25px 24px 28px; }
  .channel-location-copy h3 { font-size: 25px; }
  .channel-location-copy p { min-height: 0; white-space: normal; }
  .channel-belief-grid { grid-template-columns: 1fr 1fr; }
  .channel-profile-lead { font-size: 18px !important; }
  .channel-profile-principles { gap: 14px; margin-top: 42px; }
  .channel-profile-principles article { min-height: 0; padding: 27px 25px; }
  .channel-profile-principles h3 { margin-top: 13px; font-size: 20px; }
  .channel-profile-closing { padding: 22px 24px; font-size: 17px; }
  .channel-development-values { gap: 12px; margin-top: 42px; }
  .channel-development-values li { min-height: 152px; padding: 24px; }
  .channel-development-values strong { margin-top: 20px; font-size: 24px; }
  .channel-development-callout { padding: 32px 26px; }
  .channel-development-callout > div { align-items: flex-start; flex-direction: column; gap: 5px; }
  .channel-development-callout i { display: none; }
  .channel-culture-heading { display: block; margin-bottom: 24px; }
  .channel-culture-heading h2 { font-size: 32px; }
  .channel-culture-heading > p { margin-top: 10px; padding: 0; font-size: 13px; }
  .channel-culture-visual { min-height: 300px; border-radius: 14px; }
  .channel-culture-visual figcaption { left: 16px; bottom: 15px; }
  .channel-culture-pillars { grid-template-columns: 1fr; gap: 12px; }
  .channel-culture-pillars article { min-height: 0; padding: 26px 25px; }
  .channel-culture-pillars h3 { margin-top: 14px; font-size: 27px; }
  .channel-culture-pillars p { margin-top: 12px; font-size: 16px; }
  .channel-culture-values { margin-top: 52px; }
  .channel-culture-values-head { display: block; }
  .channel-culture-values-head > p { margin-top: 10px; padding: 0; font-size: 13px; }
  .channel-culture-values-head h2 { font-size: 28px; }
  .channel-culture-value-grid { grid-template-columns: 1fr; gap: 12px; }
  .channel-culture-value-grid article { min-height: 0; grid-template-columns: 58px minmax(0, 1fr); gap: 17px; padding: 25px 22px; }
  .channel-culture-value-icon { width: 54px; height: 54px; border-radius: 16px; }
  .channel-culture-value-icon svg { width: 32px; height: 32px; }
  .channel-reserved,
  .channel-contact-card { padding: 32px 26px; }
  .channel-address-copy { padding: 34px 26px; }
  .channel-address-copy h2 { font-size: 32px; }
  .channel-address-copy p { margin-top: 20px; font-size: 16px; }
  .channel-address-copy small { margin-top: 22px; }
  .channel-phone-link { gap: 14px; }
  .channel-map,
  .channel-map > img { min-height: 300px; }
  .channel-map-link { right: 16px; bottom: 16px; }
  .site-footer-inner { grid-template-columns: 1fr; row-gap: 14px; padding-top: 26px; padding-bottom: 18px; }
  .site-footer-inner > .brand { width: 176px; }
  .site-footer-info { font-size: 13px; }
}

/* 布局方案预览：补充研究方向层级，并给正文结尾留出收尾空间。 */
.research-section-head {
  grid-column: 1 / -1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  padding: 4px 2px 10px;
}
.research-section-head span {
  display: block;
  margin-bottom: 4px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .16em;
}
.research-section-head h2 {
  font-size: 34px;
  line-height: 1.25;
  font-weight: 700;
}
.research-section-head > p {
  max-width: 460px;
  padding-bottom: 4px;
  color: #60757c;
  font-size: 16px;
  text-align: right;
}
.company-row { margin-bottom: 48px; }

@media (max-width: 900px) {
  .research-section-head { align-items: flex-start; }
  .research-section-head h2 { font-size: 31px; }
  .research-section-head > p { max-width: 360px; }
  .company-row { margin-bottom: 42px; }
}
@media (max-width: 640px) {
  .research-section-head { display: block; padding-bottom: 2px; }
  .research-section-head h2 { font-size: 29px; }
  .research-section-head > p { margin-top: 8px; padding-bottom: 0; text-align: left; font-size: 15px; }
  .company-row { margin-bottom: 36px; }
}

/* 页脚分层入场；版权信息固定在底部正中间。 */
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
}
.footer-sep { width: 1px; height: 12px; background: #3f545c; }
.footer-icp { color: inherit; font-size: inherit; transition: color .3s ease; }
.footer-icp:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 640px) {
  .footer-sep { display: none; }
  .footer-icp { width: 100%; }
}
.footer-main.refined-reveal .footer-brand,
.footer-main.refined-reveal .footer-nav > div,
.footer-main.refined-reveal .footer-contact {
  opacity: 0;
}
.footer-main.refined-reveal.is-revealed .footer-brand {
  animation: footer-enter-left .92s .06s cubic-bezier(.2, .68, .26, 1) both !important;
}
.footer-main.refined-reveal.is-revealed .footer-nav > div {
  animation: footer-enter-up .82s .16s cubic-bezier(.2, .68, .26, 1) both !important;
}
.footer-main.refined-reveal.is-revealed .footer-nav > div:nth-child(2) {
  animation-delay: .25s !important;
}
.footer-main.refined-reveal.is-revealed .footer-nav > div:nth-child(3) {
  animation-delay: .34s !important;
}
.footer-main.refined-reveal.is-revealed .footer-contact {
  animation: footer-enter-right .92s .28s cubic-bezier(.2, .68, .26, 1) both !important;
}
.footer-main.refined-reveal + .footer-bottom {
  opacity: 0;
}
.footer-main.refined-reveal.is-revealed + .footer-bottom {
  animation: footer-copyright-enter .8s .48s cubic-bezier(.2, .68, .26, 1) both !important;
}
.footer-nav a,
.footer-nav button {
  transition: color .4s ease, transform .5s cubic-bezier(.22, .61, .36, 1) !important;
}
@media (hover: hover) and (pointer: fine) {
  .footer-nav a:hover,
  .footer-nav button:hover {
    transform: translateX(6px);
  }
}
@keyframes footer-enter-left {
  from { opacity: 0; transform: translate3d(-34px, 0, 0); filter: blur(3px); }
  to { opacity: 1; transform: none; filter: none; }
}
@keyframes footer-enter-up {
  from { opacity: 0; transform: translate3d(0, 28px, 0); filter: blur(3px); }
  to { opacity: 1; transform: none; filter: none; }
}
@keyframes footer-enter-right {
  from { opacity: 0; transform: translate3d(34px, 0, 0); filter: blur(3px); }
  to { opacity: 1; transform: none; filter: none; }
}
@keyframes footer-copyright-enter {
  from { opacity: 0; transform: translate3d(0, 14px, 0); letter-spacing: .08em; }
  to { opacity: 1; transform: none; letter-spacing: normal; }
}

/* 公司图文卡片悬停：保持入场动效后继续提供平滑交互反馈。 */
.company-feature {
  transition:
    transform .78s cubic-bezier(.22, .61, .36, 1),
    border-color .65s ease,
    box-shadow .82s cubic-bezier(.22, .61, .36, 1) !important;
}
.company-feature .feature-media img {
  transform-origin: center;
  transition:
    transform 1.2s cubic-bezier(.22, .61, .36, 1),
    filter .95s ease !important;
}
.company-feature .feature-copy {
  transition: transform .78s cubic-bezier(.22, .61, .36, 1) !important;
}
.company-feature .feature-copy h2 {
  transition: color .55s ease, text-shadow .65s ease !important;
}
.company-feature .value-list li,
.company-feature .value-list .ui-icon {
  transition:
    transform .62s cubic-bezier(.22, .61, .36, 1),
    filter .62s ease !important;
}
@media (hover: hover) and (pointer: fine) {
  .company-feature:hover,
  .company-feature.refined-reveal.is-revealed:hover {
    z-index: 2;
    transform: translate3d(0, -7px, 0);
    border-color: rgb(0 156 160 / 30%);
    box-shadow: 0 24px 52px rgb(8 95 103 / 16%), 0 0 0 1px rgb(32 211 214 / 8%);
  }
  .company-feature:hover .feature-media img {
    transform: scale(1.07);
    filter: saturate(1.1) contrast(1.025) brightness(1.02);
  }
  .company-feature:hover .feature-copy {
    transform: translate3d(5px, 0, 0);
  }
  .company-feature:hover .feature-copy h2 {
    color: var(--teal);
    text-shadow: 0 8px 24px rgb(0 140 144 / 14%);
  }
  .company-feature.values .value-list li:hover {
    transform: translate3d(0, -5px, 0);
  }
  .company-feature.values .value-list li:hover .ui-icon {
    transform: translate3d(0, -3px, 0) scale(1.09);
    filter: drop-shadow(0 7px 10px rgb(0 156 160 / 24%));
  }
}

/* 新版首页只承担品牌展示和栏目导航，详细内容进入独立栏目页。 */
.landing-home { background: #f8fbfb; }
.landing-home .site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(255 255 255 / 90%);
  box-shadow: 0 1px 0 rgb(22 65 71 / 7%);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
}
.landing-home .site-header.is-scrolled { box-shadow: 0 10px 32px rgb(8 64 70 / 9%); }
.home-hero { min-height: 570px; }
.home-hero .hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgb(248 255 255 / 92%) 0%, rgb(248 255 255 / 64%) 35%, transparent 67%);
}
.home-eyebrow {
  display: block;
  margin-bottom: 14px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
}
.home-hero .hero-copy > p { max-width: 540px; }
.home-hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 30px; }
.home-hero-actions .button { margin-top: 0; }
.home-text-link { display: inline-flex; align-items: center; gap: 9px; color: #28535a; font-size: 16px; font-weight: 650; }
.home-text-link svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; transition: transform .3s ease; }
.home-text-link:hover { color: var(--teal); }
.home-text-link:hover svg { transform: translateX(5px); }

.home-channels { padding-top: 96px; padding-bottom: 104px; scroll-margin-top: 78px; }
.home-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 38px; }
.home-section-head span { color: var(--teal); font-size: 12px; font-weight: 700; letter-spacing: .17em; }
.home-section-head h2 { margin-top: 8px; color: var(--ink); font-size: 38px; line-height: 1.2; }
.home-section-head > p { padding-bottom: 4px; color: #60757c; font-size: 16px; }
.home-channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.home-channel-card {
  position: relative;
  min-height: 290px;
  overflow: hidden;
  border: 1px solid rgb(0 145 150 / 12%);
  border-radius: 14px;
  background: #eaf8f8;
  box-shadow: 0 16px 38px rgb(12 82 90 / 8%);
  isolation: isolate;
  transition: transform .72s cubic-bezier(.22, .61, .36, 1), box-shadow .72s ease, border-color .5s ease;
}
.home-channel-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgb(235 250 250 / 98%) 3%, rgb(235 250 250 / 86%) 48%, rgb(235 250 250 / 18%) 100%);
  transition: background .65s ease;
}
.home-channel-card > img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform 1.05s cubic-bezier(.22, .61, .36, 1), filter .8s ease; }
.home-channel-card > div { position: absolute; left: 34px; right: 60px; bottom: 34px; }
.home-channel-card small { color: var(--teal); font-size: 11px; font-weight: 700; letter-spacing: .16em; }
.home-channel-card h3 { margin-top: 8px; color: #112d34; font-size: 30px; line-height: 1.25; }
.home-channel-card p { margin-top: 9px; color: #445d64; font-size: 15px; line-height: 1.6; }
.home-channel-index { position: absolute; top: 25px; left: 32px; color: rgb(0 128 134 / 52%); font-size: 13px; font-weight: 700; letter-spacing: .12em; }
.home-channel-card > svg { position: absolute; right: 28px; bottom: 34px; width: 25px; height: 25px; fill: none; stroke: var(--teal); stroke-width: 1.6; transition: transform .45s ease; }
.home-channel-card-wide { grid-column: span 2; }
.home-channel-card.is-pending { opacity: 0; transform: translateY(18px) scale(.995); }
.home-channel-card.is-pending.is-visible,
.home-news-visual.is-pending.is-visible,
.home-news-item.is-pending.is-visible { animation: home-card-enter .82s var(--home-card-delay) cubic-bezier(.2, .7, .2, 1) forwards; }
.home-channel-card.is-pending.is-visible > img {
  animation: home-card-image-enter 1.05s var(--home-card-delay) cubic-bezier(.2, .75, .22, 1) backwards;
}
@keyframes home-card-enter {
  0% { opacity: 0; transform: translateY(18px) scale(.995); }
  58% { opacity: 1; }
  100% { opacity: 1; transform: none; }
}
@keyframes home-card-image-enter {
  from { transform: scale(1.025); }
  to { transform: scale(1); }
}

@media (hover: hover) and (pointer: fine) {
  .home-channel-card:hover { transform: translateY(-7px); border-color: rgb(0 151 156 / 30%); box-shadow: 0 25px 56px rgb(8 83 91 / 16%); }
  .home-channel-card:hover::before { background: linear-gradient(90deg, rgb(0 152 157 / 91%) 0%, rgb(0 131 141 / 74%) 54%, rgb(0 105 116 / 36%) 100%); }
  .home-channel-card:hover > img { transform: scale(1.065); filter: saturate(1.08) contrast(1.03); }
  .home-channel-card:hover small,
  .home-channel-card:hover h3,
  .home-channel-card:hover p,
  .home-channel-card:hover .home-channel-index { color: #fff; }
  .home-channel-card:hover > svg { stroke: #fff; transform: translateX(6px); }
}

.home-footer { margin-top: 0; }
.home-footer .footer-main { grid-template-columns: 250px 1.45fr 1fr; }
.home-footer .footer-nav { grid-template-columns: repeat(3, 1fr); }

.home-news {
  padding: 14px 0 104px;
  border-top: 1px solid rgb(0 145 150 / 8%);
  background: linear-gradient(180deg, #f1f9f9 0%, #f8fbfb 100%);
  scroll-margin-top: 78px;
}
.home-news-head { margin-bottom: 38px; }
.home-section-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 5px;
  color: #31565d;
  font-size: 16px;
  font-weight: 650;
}
.home-section-more svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; transition: transform .35s ease; }
.home-section-more:hover { color: var(--teal); }
.home-section-more:hover svg { transform: translateX(5px); }
.home-news-layout { display: grid; grid-template-columns: .93fr 1.07fr; gap: 24px; align-items: stretch; }
.home-news-visual {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  border-radius: 14px;
  box-shadow: 0 18px 45px rgb(9 81 89 / 11%);
}
.home-news-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgb(0 57 66 / 5%) 30%, rgb(0 67 75 / 76%) 100%);
}
.home-news-visual img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.05s cubic-bezier(.22, .61, .36, 1), filter .8s ease; }
.home-news-visual > div { position: absolute; z-index: 2; left: 38px; right: 38px; bottom: 36px; color: #fff; }
.home-news-visual span { font-size: 11px; font-weight: 700; letter-spacing: .17em; }
.home-news-visual h3 { margin-top: 10px; font-size: 29px; line-height: 1.35; }
.home-news-visual p { margin-top: 9px; color: rgb(255 255 255 / 78%); font-size: 15px; }
.home-news-list { overflow: hidden; border: 1px solid rgb(0 145 150 / 12%); border-radius: 14px; background: rgb(255 255 255 / 84%); }
.home-news-item {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 143px;
  padding: 24px 30px;
  border-bottom: 1px solid #dcebed;
  transition: background .45s ease, transform .55s cubic-bezier(.22, .61, .36, 1);
}
.home-news-item:last-child { border-bottom: 0; }
.home-news-label { color: var(--teal); font-size: 13px; font-weight: 700; letter-spacing: .06em; }
.home-news-item h3 { color: #18343b; font-size: 20px; line-height: 1.4; }
.home-news-item p { margin-top: 7px; color: #61767c; font-size: 14px; line-height: 1.65; }
.home-news-item strong { color: #8aa0a5; font-size: 13px; font-weight: 500; white-space: nowrap; }
.home-news-visual.is-pending,
.home-news-item.is-pending { opacity: 0; transform: translateY(26px); }
@media (hover: hover) and (pointer: fine) {
  .home-news-visual:hover img { transform: scale(1.055); filter: saturate(1.08); }
  .home-news-item:hover { z-index: 1; background: #eefafa; transform: translateX(6px); }
  .home-news-item:hover h3 { color: var(--teal); }
}

@media (max-width: 1150px) {
  .home-hero { min-height: 530px; }
  .home-channels { padding-top: 82px; padding-bottom: 88px; }
  .home-channel-card { min-height: 270px; }
  .home-footer .footer-main { grid-template-columns: 220px 1.4fr 1fr; }
  .landing-home .main-nav,
  .channel-site .main-nav { gap: 18px; }
  .landing-home .nav-link,
  .channel-site .nav-link { font-size: 15px; }
  .home-news { padding-top: 82px; padding-bottom: 88px; }
  .home-news-item { grid-template-columns: 78px 1fr; gap: 18px; padding-inline: 24px; }
  .home-news-item strong { grid-column: 2; }
}
@media (max-width: 900px) {
  .home-channel-grid { grid-template-columns: repeat(2, 1fr); }
  .home-channel-card-wide { grid-column: span 1; }
  .home-section-head { align-items: flex-start; }
  .home-section-head > p { max-width: 320px; text-align: right; }
  .home-footer .footer-main { grid-template-columns: 1fr; }
  .home-news-layout { grid-template-columns: 1fr; }
  .home-news-visual { min-height: 350px; }
}
@media (max-width: 640px) {
  .home-hero { min-height: 520px; }
  .home-hero .hero-art::after { background: linear-gradient(180deg, rgb(248 255 255 / 72%), rgb(248 255 255 / 93%) 76%); }
  .home-eyebrow { margin-bottom: 10px; font-size: 10px; }
  .home-hero .hero-copy > p { max-width: 320px; }
  .home-hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .home-channels { padding-top: 64px; padding-bottom: 68px; }
  .home-section-head { display: block; margin-bottom: 28px; }
  .home-section-head h2 { font-size: 31px; }
  .home-section-head > p { margin-top: 10px; text-align: left; font-size: 15px; }
  .home-channel-grid { grid-template-columns: 1fr; gap: 16px; }
  .home-channel-card { min-height: 230px; }
  .home-channel-card > div { left: 24px; right: 52px; bottom: 26px; }
  .home-channel-index { top: 21px; left: 23px; }
  .home-channel-card h3 { font-size: 26px; }
  .home-channel-card > svg { right: 22px; bottom: 28px; }
  .home-news { padding-top: 64px; padding-bottom: 68px; }
  .home-news-head { margin-bottom: 28px; }
  .home-section-more { margin-top: 18px; font-size: 15px; }
  .home-news-visual { min-height: 300px; }
  .home-news-visual > div { left: 24px; right: 24px; bottom: 25px; }
  .home-news-visual h3 { font-size: 25px; }
  .home-news-item { grid-template-columns: 1fr; gap: 8px; min-height: 0; padding: 24px; }
  .home-news-item strong { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .home-channel-card.is-pending,
  .home-news-visual.is-pending,
  .home-news-item.is-pending { opacity: 1; transform: none; }
  /* 用户明确要求首页栏目卡片保留入场效果；不改动网格与尺寸。 */
  .home-channel-card.is-pending.is-visible {
    animation: home-card-enter .82s var(--home-card-delay) cubic-bezier(.2, .7, .2, 1) forwards !important;
  }
  .home-channel-card.is-pending.is-visible > img {
    animation: home-card-image-enter 1.05s var(--home-card-delay) cubic-bezier(.2, .75, .22, 1) backwards !important;
  }
}

/* 七项主导航在窄屏提前折叠，避免平板与小窗口出现横向溢出。 */
@media (min-width: 641px) and (max-width: 780px) {
  .site-header { height: 72px; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 10px; background: none; color: var(--teal); }
  .menu-toggle span { width: 24px; height: 2px; background: currentColor; transition: transform .2s, opacity .2s; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .main-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0 !important; max-height: calc(100vh - 72px); overflow-y: auto; padding: 10px 32px 18px; background: #fffffff9; border-bottom: 1px solid var(--line); box-shadow: 0 10px 20px #17445115; }
  .main-nav.is-open { display: flex; }
  .nav-item { display: block; }
  .nav-link { display: block; padding: 12px; font-size: 16px !important; }
  .nav-link::after { bottom: 5px; left: 12px; right: auto; width: 32px; }
  .nav-submenu { position: static; min-width: 0; margin: -2px 0 5px 16px; padding: 0 0 2px 12px; border: 0; border-left: 1px solid #d4e9ea; border-radius: 0; background: transparent; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .nav-submenu::before { display: none; }
  .nav-submenu a { padding: 8px 12px; font-size: 14px; }
}