:root {
  --primary: #3860F4;
  --primary-hover: #2D51DD;
  --primary-light: #58A4FF;
  --title: #1D273F;
  --text: #50627F;
  --muted: #8592A6;
  --gray: #F6F8FD;
  --line: #ECEFF6;
  --tag: #EDF1FF;
  --navy: #2A315F;
  --navy-2: #1F2450;
  --footer: #0B1433;
  --radius: 18px;
  --radius-sm: 10px;
  --header-h: 70px;
  --cta-min-height: 253px;
  --cta-mobile-min-height: 371px;
  --strip-h: 146px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body { margin: 0; font: 400 16px/1.6 var(--font); color: var(--title); background: #fff; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; padding: 0; }
address { font-style: normal; }
[hidden] { display: none !important; }
:is(.ph,.ic) { line-height: 1; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 200; background: #fff; padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { left: 16px; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.container { width: 100%; max-width: 1440px; margin: 0 auto; padding: 0 36px; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; height: 40px; padding: 0 20px; border-radius: var(--radius-sm); font-size: 14px; white-space: nowrap; transition: background .2s, color .2s, border-color .2s, box-shadow .2s; }
.btn-lg { height: 52px; padding: 0 24px; font-size: 16px; min-width: 200px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 8px 20px rgba(56, 96, 244, .28); }
.btn-ghost { background: #fff; color: var(--title); border: 1px solid var(--line); justify-content: center; min-width: 140px; }
.btn-ghost:hover { color: var(--primary); background: #fff; }
.btn-white { background: #fff; color: var(--title); border: 1px solid var(--line); }
.btn-white:hover { color: var(--primary); border-color: var(--primary); }
.btn-block { display: flex; width: 100%; justify-content: center; }
.btn :is(.ph,.ic) { font-size: 16px; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; color: var(--title); transition: color .2s; }
.link-arrow:hover { color: var(--primary); }
.tag { display: inline-block; padding: 0 8px; line-height: 24px; font-size: 12px; color: var(--text); background: var(--tag); border-radius: 5px; transition: color .2s, background .2s; }

/* ---------- header ---------- */
.header { position: fixed; inset: 0 0 auto; z-index: 100; background: rgba(255, 255, 255, .6); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); box-shadow: 0 1px 0 var(--line); }
.header-bar { display: flex; align-items: center; height: var(--header-h); padding-left: 32px; }
.brand img { height: 38px; width: auto; }
.nav { display: flex; align-items: stretch; height: 100%; margin-left: 40px; }
.nav-item { display: flex; align-items: center; padding: 0 12px; font-size: 16px; line-height: 24px; font-weight: 500; color: #141F38; position: relative; transition: color .2s; }
.nav-item > :is(a, button) { display: flex; align-items: center; height: 100%; }
.nav-item:hover, .nav-item.is-current, .has-mega.is-open { color: var(--primary); }
.nav-item.is-current::after, .has-mega.is-open::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 0; height: 2px; background: var(--primary); }
.header-right { display: flex; align-items: center; height: 100%; margin-left: auto; }
.header-link { display: flex; align-items: center; gap: 6px; padding: 0 12px; font-size: 16px; line-height: 24px; font-weight: 500; color: #1D212D; transition: color .2s; }
.header-link:hover { color: var(--primary); }
.header-cta { display: flex; align-items: center; justify-content: center; min-width: 128px; padding: 0 32px; height: 100%; margin-left: 12px; background: var(--primary); color: #fff; font-size: 16px; line-height: 24px; font-weight: 500; transition: background .2s; }
.header-cta:hover { background: var(--primary-hover); }
.menu-toggle { display: none; width: 56px; height: 100%; font-size: 26px; color: var(--title); }

.mega { position: absolute; left: 0; right: 0; top: var(--header-h); background: #fff; box-shadow: 0 16px 32px rgba(29, 39, 63, .08); border-top: 1px solid var(--line); }
.mega-inner { display: flex; max-width: 1440px; margin: 0 auto; padding: 36px; gap: 48px; }
.mega-intro { width: 260px; flex-shrink: 0; padding-right: 32px; border-right: 1px solid var(--line); font-size: 14px; color: var(--text); }
.mega-intro .mega-title { font-size: 20px; font-weight: 500; color: var(--title); margin-bottom: 8px; }
.mega-intro .link-arrow { margin-top: 24px; color: var(--primary); }
.mega-cols { flex: 1; display: grid; grid-template-columns: repeat(5, 1fr); gap: 32px; }
.mega-head { display: block; font-size: 16px; font-weight: 500; color: var(--title); padding-bottom: 12px; margin-bottom: 12px; border-bottom: 1px solid var(--line); }
.mega-head:hover { color: var(--primary); }
.mega-head-gap { margin-top: 24px; }
.mega-col li a { display: block; padding: 6px 0; font-size: 14px; color: var(--text); transition: color .2s; }
.mega-col li a:hover { color: var(--primary); }

.mobile-nav { border-top: 1px solid var(--line); background: #fff; max-height: calc(100vh - var(--header-h)); overflow: auto; }
.mobile-nav a { display: block; padding: 14px 24px; border-bottom: 1px solid var(--line); font-size: 16px; }

/* Entries without a published page remain readable and never navigate. */
.is-unavailable[aria-disabled="true"] { cursor: not-allowed; color: var(--muted); }
.mega-col li .is-unavailable { display: block; padding: 6px 0; font-size: 14px; }
.mega-head.is-unavailable:hover { color: var(--muted); }
.mobile-nav .is-unavailable { display: block; padding: 14px 24px; border-bottom: 1px solid var(--line); font-size: 16px; }
.btn.is-unavailable { color: var(--muted); background: var(--gray); border: 1px solid var(--line); box-shadow: none; }
.product-card.is-unavailable:hover { background: transparent; }
.product-card.is-unavailable .product-name,
.product-card.is-unavailable:hover .product-name { color: var(--muted); }
.product-card.is-unavailable:hover .tag { color: var(--text); }
.product-card.is-unavailable:hover .product-card-art { transform: none; }
.is-unavailable :is(.ph-arrow-right, .ph-arrow-up-right) { display: none; }
.gv-like .is-unavailable :is(h3, .gv-like-go), .ab-prods .is-unavailable :is(h3, .ab-go) { color: var(--muted); }

main { padding-top: var(--header-h); }

/* ---------- banner ---------- */
.banner { position: relative; height: 520px; overflow: hidden; background: #E2F7FE url("https://www-oeob-com.oss-cn-beijing.aliyuncs.com/web/home-hero-bg-89d034.webp") center / cover no-repeat; }
.banner-slides { position: absolute; inset: 0; }
.slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .6s var(--ease), visibility .6s; }
.slide.is-active { opacity: 1; visibility: visible; }
.slide-inner { position: relative; height: 100%; max-width: 1440px; margin: 0 auto; padding: 0 36px; display: flex; align-items: center; }
.slide-copy { position: relative; z-index: 2; width: 600px; padding-bottom: 72px; }
.slide-kicker { display: inline-block; margin-bottom: 16px; padding: 2px 10px; font-size: 14px; color: var(--primary); background: rgba(255, 255, 255, .8); border: 1px solid rgba(56, 96, 244, .18); border-radius: 6px; }
.slide-title { font-size: 44px; line-height: 1.36; font-weight: 700; color: var(--title); letter-spacing: .01em; }
.slide-title em { font-style: normal; color: var(--primary); }
.slide-desc { margin-top: 16px; font-size: 16px; line-height: 1.75; color: var(--text); max-width: 540px; }
.slide-actions { display: flex; gap: 16px; margin-top: 36px; }
.slide-actions .btn-primary { min-width: 260px; }
.slide-art { position: absolute; right: 36px; top: 50%; width: 600px; max-height: 460px; object-fit: contain; transform: translateY(-56%) scale(.96); transition: transform 1s var(--ease); }
.slide.is-active .slide-art { transform: translateY(-56%) scale(1); }
.slide.is-active .slide-copy > * { animation: rise .7s var(--ease) both; }
.slide.is-active .slide-copy > *:nth-child(2) { animation-delay: .06s; }
.slide.is-active .slide-copy > *:nth-child(3) { animation-delay: .12s; }
.slide.is-active .slide-copy > *:nth-child(4) { animation-delay: .18s; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

@media (min-width: 901px) {
  .banner { height: max(420px, calc(100vh - var(--header-h) - var(--strip-h))); }
  .slide-art { width: clamp(480px, 42vw, 800px); max-height: calc(100% - 110px); }
}
@supports (height: 100dvh) {
  @media (min-width: 901px) { .banner { height: max(420px, calc(100dvh - var(--header-h) - var(--strip-h))); } }
}
.banner-tabs { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 3; display: flex; gap: 40px; }
.banner-tab { position: relative; padding: 8px 0 12px; font-size: 12px; color: #8A94A8; white-space: nowrap; transition: color .2s; }
.banner-tab:hover, .banner-tab.is-active { color: var(--title); }
.banner-tab::before { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(29, 39, 63, .08); }
.tab-progress { position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--primary); }
.banner-tab.is-active .tab-progress { animation: progress var(--slide-ms, 6000ms) linear forwards; }
.banner.is-paused .banner-tab.is-active .tab-progress { animation-play-state: paused; }
@keyframes progress { to { width: 100%; } }

/* ---------- 产品与服务 · 分类面板（对照 UCloud 分类页签）---------- */
.feature.is-cards { gap: 16px; }
.side-card { flex: 1; display: flex; flex-direction: column; min-height: 0; padding: 24px; background: #fff; border: 1px solid rgba(236, 239, 246, .6); border-radius: var(--radius); }
.side-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.side-head h3 { font-size: 18px; line-height: 28px; font-weight: 500; color: var(--title); }
.side-link { display: inline-flex; align-items: center; gap: 4px; flex-shrink: 0; font-size: 14px; line-height: 20px; color: var(--text); transition: color .2s; }
.side-link:hover { color: var(--primary); }
.side-desc { margin-top: 8px; font-size: 14px; line-height: 25px; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-card .tags { margin-top: 12px; }
.side-foot { margin-top: auto; padding-top: 16px; display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; }
.side-contact em { display: block; font-style: normal; font-size: 12px; line-height: 20px; color: var(--text); }
.side-contact strong { display: block; font-family: "DIN Alternate", "Helvetica Neue", var(--font); font-size: 24px; line-height: 32px; font-weight: 500; color: var(--title); white-space: nowrap; }
.side-foot .btn { height: 40px; min-width: 108px; padding: 0 20px; justify-content: center; font-size: 16px; }
.side-foot .btn-white { border: 1px solid var(--primary); color: var(--primary); background: #fff; }
.side-foot .btn-white:hover { background: var(--primary); color: #fff; }

.product-grid.is-compact { grid-template-rows: repeat(4, 1fr); grid-auto-rows: auto; padding: 0; align-content: stretch; }
.is-compact .product-card { padding: 0 10% 0 14%; }
.is-compact .product-desc { -webkit-line-clamp: 1; }
.is-compact .span-2 { grid-column: span 2; }
.is-compact .product-card-all { margin: 12px; height: calc(100% - 24px); }

.product-grid.is-few { grid-template-rows: 1fr; grid-auto-rows: 1fr; padding: 12px; gap: 12px; }
.is-few .product-card.is-feat { padding-top: 32px; }
.is-few .product-desc { min-height: 25px; }
.mini-checks { display: block; margin: 20px 0 0; }
.mini-checks > span { position: relative; display: block; padding-left: 20px; font-size: 14px; line-height: 25px; color: var(--text); }
.mini-checks > span + span { margin-top: 6px; }
.mini-checks > span::before { content: ""; position: absolute; left: 3px; top: 8px; width: 5px; height: 9px; border: solid var(--primary); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.is-few .is-feat .tags { margin-top: auto; padding-top: 20px; }

/* ---------- 知识产权：左侧分类切换，右侧与授权资质同款卡片 ---------- */
.ip-acc { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 16px; height: auto; align-items: stretch; text-align: left; }
.ip-side { display: flex; flex-direction: column; gap: 12px; width: 100%; }
.ip-tab { flex: 1; display: flex; align-items: center; gap: 16px; min-height: 96px; padding: 16px 22px; text-align: left; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: background .25s, border-color .25s, color .25s, box-shadow .25s; }
.ip-tab:hover { border-color: #D6E0FF; box-shadow: 0 10px 28px rgba(56, 96, 244, .1); }
.ip-tab-num { flex: none; min-width: 52px; font-family: "DIN Alternate", "Helvetica Neue", var(--font); font-size: 44px; line-height: 1; font-weight: 500; color: var(--primary); transition: color .25s; }
.ip-tab-text { flex: 1; min-width: 0; }
.ip-tab-text strong { display: block; font-size: 18px; line-height: 28px; font-weight: 500; color: var(--title); transition: color .25s; }
.ip-tab-text em { display: block; margin-top: 2px; font-style: normal; font-size: 14px; line-height: 22px; color: var(--text); transition: color .25s; }
.ip-tab > .ph { flex: none; font-size: 16px; color: var(--text); transition: transform .25s, color .25s; }
.ip-tab.is-active { background: var(--primary); border-color: var(--primary); box-shadow: 0 14px 30px rgba(56, 96, 244, .22); }
.ip-tab.is-active .ip-tab-num, .ip-tab.is-active .ip-tab-text strong, .ip-tab.is-active > .ph { color: #fff; }
.ip-tab.is-active .ip-tab-text em { color: rgba(255, 255, 255, .86); }
.ip-tab.is-active > .ph { transform: translateX(4px); }
.ip-main { min-width: 0; height: auto; }
.ip-list { height: auto; }
.ip-list[hidden] { display: none; }
.ip-honor { align-items: stretch; }
.ip-honor .honor-card,
.ip-honor-row .honor-card { display: flex; flex-direction: column; }
.ip-honor .honor-info,
.ip-honor-row .honor-info { height: 184px; overflow: hidden; }
.ip-honor .honor-info h4,
.ip-honor-row .honor-info h4 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 3em; }
.ip-honor .honor-info p,
.ip-honor-row .honor-info p { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 3.2em; }
.ip-slide { position: relative; }
.ip-slide-viewport { overflow: hidden; }
.ip-honor-row { display: flex; gap: 16px; transition: transform .4s var(--ease); }
.ip-honor-row > li { display: flex; flex: 0 0 auto; min-width: 0; }
.ip-honor-row > li > .honor-card { width: 100%; }
.ip-slide-btn { position: absolute; top: 86px; z-index: 2; width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--title); box-shadow: 0 6px 16px rgba(29, 39, 63, .12); cursor: pointer; }
.ip-slide-btn:hover { border-color: #C9D6FF; color: var(--primary); }
.ip-slide-btn:disabled { opacity: .35; cursor: default; }
.ip-slide-prev { left: 8px; }
.ip-slide-next { right: 8px; }
.ip-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); grid-auto-rows: 58px; gap: 10px; }
.ip-grid.is-large { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: auto; height: auto; }
.ip-grid.is-fold:not(.is-open) > li:nth-child(n+11) { display: none; }
.ip-more { display: flex; align-items: center; justify-content: center; gap: 6px; width: 100%; margin-top: 10px; height: 40px; border: 0; border-radius: 10px; background: var(--gray); color: var(--primary); font-size: 14px; font-weight: 500; cursor: pointer; }
.ip-more:hover { background: #E8EEFF; }
.ip-more::after { content: ""; width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); }
.ip-more[aria-expanded="true"]::after { transform: translateY(2px) rotate(225deg); }
.ip-item { display: flex; align-items: center; gap: 10px; height: 100%; padding: 6px 10px; background: #fff; border: 1px solid var(--line); border-radius: 12px; transition: border-color .25s, box-shadow .25s, transform .25s; }
a.ip-item:hover { border-color: #D6E0FF; box-shadow: 0 8px 22px rgba(56, 96, 244, .12); transform: translateY(-2px); }
.ip-item img { flex: none; width: 34px; height: 44px; object-fit: cover; border: 1px solid var(--line); border-radius: 4px; }
.ip-no { flex: none; width: 34px; height: 44px; display: grid; place-items: center; font-family: "DIN Alternate", "Helvetica Neue", var(--font); font-size: 14px; font-weight: 500; color: var(--primary); background: var(--tag); border-radius: 6px; }
.ip-text { min-width: 0; }
.ip-name { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 14px; line-height: 18px; font-weight: 500; color: var(--title); }
.ip-meta { display: block; margin-top: 1px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; line-height: 18px; color: var(--text); }
.ip-item.is-pending { background: #FAFBFE; border-style: dashed; }
.ip-item.is-pending .ip-name { color: var(--text); }
.ip-item.is-large { padding: 14px 18px; gap: 14px; }
.ip-item.is-large .ip-no { width: 48px; height: 60px; font-size: 18px; }
.ip-item.is-large .ip-name { font-size: 16px; line-height: 24px; -webkit-line-clamp: 1; }
.ip-item.is-large .ip-meta { font-size: 14px; line-height: 22px; }

/* ---------- stats strip ---------- */
.strip { position: relative; z-index: 2; background: #fff; border-bottom: 1px solid var(--line); }
.strip::after { content: ""; position: absolute; top: 0; right: 0; bottom: 0; width: 50%; background: #3860F4; z-index: -1; }
.strip::before { content: ""; position: absolute; inset: 0 50% 0 0; background: #fff; z-index: -1; }
.strip-inner { display: grid; grid-template-columns: repeat(5, 1fr) 1.25fr; max-width: 1440px; margin: 0 auto; padding-left: 26px; background: linear-gradient(90deg, #fff 0 26px, transparent 26px); }
.strip-cell { position: relative; padding: 28px 24px; min-height: 145px; background: #fff; border-right: 1px solid var(--line); transition: background .25s; }
.strip-cell::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, #F3F6FF, #fff); opacity: 0; transition: opacity .25s; pointer-events: none; }
.strip-cell:hover::before { opacity: 1; }
.strip-cell > * { position: relative; }
.strip-cell > .strip-icon { position: absolute; }
.strip-cta::before { display: none; }
.strip-icon { position: absolute; right: 22px; top: 26px; font-size: 34px; color: var(--primary); opacity: .5; transition: opacity .25s, transform .25s; }
.strip-cell:hover .strip-icon { opacity: .9; transform: translateY(-2px); }
.strip-num { font-size: 36px; line-height: 1.2; font-weight: 500; color: var(--title); font-family: "DIN Alternate", "Helvetica Neue", var(--font); }
.strip-label { display: block; margin-top: 8px; font-size: 14px; color: var(--text); }
.strip-cta { border-right: 0; background: #4A86F8; color: #fff; overflow: hidden; }
.strip-cta::after { content: ""; position: absolute; inset: 0; z-index: 0; background: url("https://www-oeob-com.oss-cn-beijing.aliyuncs.com/web/home-strip-cta-bg-3a2798.webp") right bottom / cover no-repeat; transition: transform .8s var(--ease); pointer-events: none; }
.strip-cta:hover::after { transform: scale(1.06); transform-origin: right bottom; }
.strip-cta > * { z-index: 1; }
.strip-cta-title { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 500; }
.strip-cta .strip-label { color: rgba(255, 255, 255, .86); }

/* ---------- section shell ---------- */
.section { padding: 88px 0 80px; }
.section-gray { background: var(--gray); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 48px; }
.section-head.is-center { flex-direction: column; align-items: center; text-align: center; }
.section-title { font-size: 36px; line-height: 1.5; font-weight: 500; color: var(--title); }
.section-sub { margin-top: 8px; font-size: 16px; color: var(--text); }
.section-links { display: flex; gap: 40px; padding-bottom: 8px; }

.pill-tabs { display: flex; gap: 4px; padding: 8px; background: #fff; border: 1px solid rgba(236, 239, 246, .6); border-radius: var(--radius); overflow-x: auto; scrollbar-width: none; }
.pill-tabs::-webkit-scrollbar { display: none; }
.pill-tabs-sm { display: flex; width: max-content; max-width: 100%; margin-bottom: 0; gap: 0; }
.pill-tabs.is-center { margin: 0 auto; }
.pill-tab { flex: 1; display: flex; align-items: center; justify-content: center; gap: 10px; height: 48px; padding: 0 20px; border-radius: 15px; font-size: 16px; font-weight: 500; color: var(--title); white-space: nowrap; transition: background .2s, color .2s; }
.pill-tabs-sm .pill-tab { flex: none; height: 48px; padding: 0 20px; margin-right: 18px; font-size: 16px; }
.section:not(.section-gray) .pill-tabs { background: var(--gray); }
.pill-tab :is(.ph,.ic) { font-size: 24px; color: var(--primary); transition: color .2s; }
.pill-tab:hover:not(.is-active) { background: #F6F8FD; color: var(--title); }
.section:not(.section-gray) .pill-tab:hover:not(.is-active) { background: #fff; }
.pill-tab.is-active,
.pill-tab.is-active:hover { background: var(--primary); color: #fff; }
.pill-tab.is-active :is(.ph,.ic) { color: #fff; }

/* ---------- products ---------- */
.product-panel { display: flex; gap: 12px; margin-top: 32px; min-height: 547px; }
.product-panel.is-active { animation: none; }
.feature { width: 387px; flex-shrink: 0; display: flex; flex-direction: column; gap: 16px; }
.feature-card { flex: 1; display: flex; flex-direction: column; padding: 12px; background: var(--navy); border-radius: var(--radius); color: #fff; }
.feature-art { height: 168px; border-radius: 8px; overflow: hidden; background: linear-gradient(180deg, #F3F6FF, #E3EBFF); }
.feature-art img { width: 100%; height: 100%; object-fit: contain; transform: scale(1.05); transition: transform .6s var(--ease); }
.feature-card:hover .feature-art img { transform: scale(1.12); }
.feature-body { padding: 20px 13px 16px; flex: 1; }
.feature-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.feature-head h3 { font-size: 18px; font-weight: 500; }
.feature-more { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; line-height: 20px; color: #9DA4D6; }
.feature-more:hover { color: #fff; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.feature-tags span { padding: 0 16px; line-height: 24px; font-size: 12px; background: var(--primary); border-radius: 5px; color: #fff; }
.feature-body p { margin-top: 16px; font-size: 14px; line-height: 1.75; color: rgba(255, 255, 255, .9); }
.feature-card .btn-primary { height: 53px; font-size: 16px; justify-content: center; }
.feature-mini { display: flex; align-items: center; justify-content: space-between; min-height: 108px; padding: 24px; background: var(--navy); border-radius: var(--radius); color: #fff; transition: background .2s; }
.feature-mini:hover { background: var(--navy-2); }
.feature-mini strong { display: block; margin-bottom: 8px; font-size: 18px; line-height: 28px; font-weight: 500; }
.feature-mini :is(.ph,.ic) { font-size: 20px; }

.product-grid { flex: 1; display: grid; grid-auto-rows: minmax(120px, auto); align-content: start; padding: 20px 0; background: #fff; border: 1px solid rgba(236, 239, 246, .6); border-radius: var(--radius); }
.product-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.product-grid.cols-3 { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 168px; }
.product-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.product-grid.is-few { grid-auto-rows: 1fr; align-content: stretch; gap: 16px; padding: 20px; }
.product-card { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: center; padding: 0 12% 0 15%; overflow: hidden; border-radius: 12px; transition: background .25s; }
.product-card:hover { background: #F7F9FF; }
.product-name { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: fit-content; min-width: 210px; margin-bottom: 4px; font-size: 18px; line-height: 28px; font-weight: 500; color: var(--title); transition: color .2s; }
.product-name strong { font-weight: 500; }
.product-name :is(.ph,.ic) { font-size: 16px; flex-shrink: 0; color: var(--text); transition: transform .2s, color .2s; }
.product-card:hover .product-name { color: var(--primary); }
.product-card:hover .product-name :is(.ph,.ic) { transform: translateX(4px); color: var(--primary); }
.product-card .tag { align-self: flex-start; }
.product-card:hover .tag { color: var(--primary); }
.is-few .product-card { justify-content: flex-start; padding: 32px 28px 28px; background: linear-gradient(180deg, #F7F9FF, #EEF3FF); }
.is-few .product-card:hover { background: linear-gradient(180deg, #F2F6FF, #E5EDFF); }
.is-few .product-name { width: 100%; min-width: 0; font-size: 18px; }
.is-few .product-card-all { justify-content: center; padding: 32px 28px; }
#ppanel-baidu .product-split { display: grid; grid-template-rows: minmax(0, 1fr) 168px; gap: 12px; height: 100%; min-height: 0; }
#ppanel-baidu .netdisk-banner { min-height: 0; display: flex; flex-direction: column; justify-content: flex-start; gap: 0; padding: 32px 28px 28px; border-radius: 12px; background: linear-gradient(180deg, #F7F9FF, #EEF3FF); }
#ppanel-baidu .netdisk-kicker { display: flex; align-items: flex-end; gap: 6px; margin-bottom: 10px; font-size: 22px; line-height: 1; font-weight: 700; color: #0878ff; }
#ppanel-baidu .netdisk-ai { position: relative; display: inline-block; font-style: italic; font-weight: 800; letter-spacing: -0.06em; line-height: 0.85; }
#ppanel-baidu .netdisk-ai i { display: inline-block; width: 0.16em; height: 0.72em; margin-left: 0.02em; border-radius: 1px; background: currentColor; transform: skewX(-16deg) translateY(0.06em); position: relative; }
#ppanel-baidu .netdisk-ai i::after { content: ""; position: absolute; left: 50%; bottom: 100%; width: 0.62em; height: 0.62em; margin-bottom: 0.02em; background: currentColor; transform: translateX(-55%); clip-path: polygon(50% 0, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0 50%, 39% 39%); }
#ppanel-baidu .netdisk-title { margin-bottom: 4px; font-size: 18px; line-height: 28px; font-weight: 500; letter-spacing: 0; color: var(--title); }
#ppanel-baidu .netdisk-sub { margin-top: 20px; font-size: 14px; line-height: 25px; font-weight: 400; color: var(--text); }
#ppanel-baidu .product-split .product-card-all { height: 100%; min-height: 0; }
.product-grid.is-hot { grid-auto-rows: 1fr; padding: 0; align-content: stretch; }
.is-hot .product-card { justify-content: flex-start; padding-top: 74px; }
#ppanel-tencent .product-grid.is-hot { grid-template-rows: repeat(2, minmax(0, 1fr)); grid-auto-rows: minmax(0, 0); overflow: hidden; }
#ppanel-tencent .product-grid.is-hot > li { min-height: 0; overflow: hidden; }
.is-hot .product-desc { min-height: 50px; }
.product-desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 14px; line-height: 25px; color: var(--text); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.product-card:hover .tags .tag { color: var(--primary); }
.product-card-all { background: linear-gradient(135deg, #F3F6FF, #E8EEFF); }
.product-card-all .product-name { color: var(--primary); }
.product-card-art { position: absolute; right: 12px; bottom: 12px; width: 56%; max-height: 56%; object-fit: contain; object-position: right bottom; mix-blend-mode: multiply; opacity: .9; transition: transform .6s var(--ease); }
.product-card:hover .product-card-art { transform: translate(-4px, -4px) scale(1.03); }

/* ---------- partners accordion ---------- */
#partners .pill-tabs-sm { margin-bottom: 32px; }
.accordion { display: flex; gap: 12px; height: 560px; margin-top: 32px; }
.acc-card { position: relative; flex: 0 0 168px; overflow: hidden; border-radius: var(--radius); transition: flex-basis .6s var(--ease), flex-grow .6s var(--ease); }
.acc-card.is-open { flex: 1 1 auto; }
.acc-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity .5s, transform 1.2s var(--ease); }
.tone-light { background: #DDE3F2; }
.tone-blue { background: linear-gradient(180deg, #3D67F6, #2E50D8); color: #fff; }
.tone-navy { background: linear-gradient(180deg, #2B3163, #1E2350); color: #fff; }
.acc-card:not(.is-open) .acc-bg { opacity: .18; transform: scale(1.3); mix-blend-mode: luminosity; }
.acc-card.is-open .acc-bg { opacity: .55; }
.acc-card.is-open.tone-light .acc-bg { opacity: 1; }
.acc-card.is-open::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(232, 236, 248, .98) 0%, rgba(232, 236, 248, .9) 46%, rgba(232, 236, 248, .1) 75%); }
.acc-card.is-open.tone-blue::before { background: linear-gradient(90deg, rgba(46, 80, 216, .98) 0%, rgba(46, 80, 216, .88) 46%, rgba(46, 80, 216, .15) 78%); }
.acc-card.is-open.tone-navy::before { background: linear-gradient(90deg, rgba(30, 35, 80, .98) 0%, rgba(30, 35, 80, .9) 46%, rgba(30, 35, 80, .2) 78%); }
.acc-collapsed { position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; align-items: flex-start; padding: 28px 20px; text-align: left; color: inherit; }
.acc-collapsed-title { display: flex; align-items: center; justify-content: space-between; width: 100%; font-size: 24px; font-weight: 500; }
.acc-collapsed-desc { margin-top: 8px; font-size: 14px; line-height: 1.6; opacity: .86; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.acc-card.is-open .acc-collapsed { visibility: hidden; }
.acc-body { position: relative; z-index: 2; height: 100%; width: min(640px, 64%); padding: 36px 40px; display: flex; flex-direction: column; opacity: 0; visibility: hidden; transform: translateX(-12px); transition: opacity .3s, transform .5s var(--ease), visibility .3s; }
.acc-card.is-open .acc-body { opacity: 1; visibility: visible; transform: none; transition-delay: .25s; }
.acc-body h3 { font-size: 24px; font-weight: 500; }
.acc-desc { margin-top: 8px; font-size: 14px; line-height: 1.75; color: var(--text); }
.tone-blue .acc-desc, .tone-navy .acc-desc { color: rgba(255, 255, 255, .82); }
.checks { margin-top: 18px; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 24px; font-size: 14px; line-height: 1.6; color: var(--text); }
.checks b { font-weight: 500; color: var(--title); margin-right: 6px; }
.checks :is(.ph,.ic) { position: absolute; left: 0; top: 3px; font-size: 16px; color: var(--primary); }
.tone-blue .checks li, .tone-navy .checks li { color: rgba(255, 255, 255, .86); }
.tone-blue .checks b, .tone-navy .checks b { color: #fff; }
.tone-blue .checks :is(.ph,.ic), .tone-navy .checks :is(.ph,.ic) { color: #9CC4FF; }
.acc-sub { margin-top: auto; padding-top: 20px; font-size: 18px; font-weight: 500; }
.name-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.name-chips li { padding: 0 10px; line-height: 26px; font-size: 12px; color: var(--title); background: rgba(255, 255, 255, .72); border: 1px solid rgba(255, 255, 255, .9); border-radius: 6px; }
.name-chips li.is-key { color: #fff; background: var(--primary); border-color: var(--primary); }
.tone-blue .name-chips li, .tone-navy .name-chips li { color: #fff; background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .2); }
.tone-blue .name-chips li.is-key { color: var(--primary); background: #fff; border-color: #fff; }
.tone-navy .name-chips li.is-key { background: var(--primary); border-color: var(--primary); }
.acc-actions { display: flex; gap: 16px; margin-top: 24px; }
.acc-actions .btn { height: 52px; padding: 0 24px; font-size: 16px; }
.acc-actions .btn-primary { min-width: 290px; }
.tone-blue .acc-actions .btn-primary { background: #fff; color: var(--primary); }
.acc-more { flex: 0 0 48px; display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 28px 0; border-radius: var(--radius); background: linear-gradient(180deg, #A9B6DE, #8E9CCD); color: #fff; font-size: 18px; transition: flex-basis .3s; }
.acc-more span { writing-mode: vertical-rl; letter-spacing: .3em; margin-top: auto; margin-bottom: auto; }
.acc-more:hover { flex-basis: 60px; }

/* ---------- partners (logo wall) ---------- */
#partners .pill-tabs-sm { display: flex; width: max-content; max-width: 100%; }
.partner-layout { display: flex; gap: 12px; margin-top: 32px; min-height: 480px; }
.partner-feature { position: relative; width: 387px; flex-shrink: 0; display: flex; flex-direction: column; padding: 12px; overflow: hidden; background: var(--navy); border-radius: var(--radius-sm); color: #fff; }
.partner-feature-bg { position: absolute; right: -150px; bottom: -120px; width: 560px; opacity: .45; mix-blend-mode: screen; pointer-events: none; -webkit-mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, #000 40%, transparent 100%); mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, #000 40%, transparent 100%); }
.partner-feature-body { position: relative; flex: 1; padding: 28px 18px 16px; }
.partner-kicker { font-size: 14px; color: #9CC4FF; }
.partner-nums { display: grid; gap: 26px; margin-top: 28px; }
.partner-nums strong { display: block; font-family: "DIN Alternate", "Bahnschrift", "SF Pro Display", Arial, sans-serif; font-size: 44px; line-height: 1; font-weight: 500; letter-spacing: -.01em; }
.partner-nums em { font-style: normal; color: #7FA0FF; }
.partner-nums span { display: block; margin-top: 8px; font-size: 14px; color: rgba(255, 255, 255, .78); }
.partner-text { margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .14); font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, .88); }
.partner-feature .btn-primary { position: relative; height: 48px; font-size: 16px; }
.partner-panels { flex: 1; min-width: 0; padding: 24px; background: #fff; border: 1px solid rgba(236, 239, 246, .6); border-radius: var(--radius); }
.partner-panel.is-active { animation: none; }
.logo-wall { display: grid; gap: 12px; }
.logo-wall.is-clients, .logo-wall.is-collab, .logo-wall.is-channels { grid-template-columns: repeat(5, 1fr); }
.logo-wall.is-buyers { grid-template-columns: repeat(4, 1fr); }
.logo-wall li { display: flex; align-items: center; justify-content: center; height: 76px; padding: 0 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); transition: border-color .2s, transform .25s var(--ease), box-shadow .25s; }
.logo-wall li:hover { border-color: #C9D6FF; transform: translateY(-3px); box-shadow: 0 10px 24px rgba(56, 96, 244, .12); }
/* 客户 logo 已统一导出为 480×200 画布（视觉体量归一化），整张按宽度缩放即可保证比例与留白一致 */
.is-clients li img, .is-channels li img, .is-collab li img { width: 100%; height: auto; max-height: 54px; object-fit: contain; }
.logo-ph { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo-ph-mark { flex: 0 0 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; font-size: 14px; font-weight: 500; color: var(--primary); background: linear-gradient(135deg, #E4EBFF, #F3F6FF); }
.logo-ph-name { min-width: 0; font-size: 14px; font-weight: 500; color: var(--title); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.is-buyers li img { width: 100%; height: auto; max-height: 54px; object-fit: contain; }

/* ---------- about ---------- */
.about-top { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
.about-intro { position: relative; overflow: hidden; min-height: 440px; border-radius: var(--radius); color: #fff; background: linear-gradient(135deg, #272C5C 0%, #2E3FA8 100%); }
.about-intro-art { position: absolute; right: -130px; bottom: -110px; width: 640px; opacity: .5; mix-blend-mode: screen; pointer-events: none; -webkit-mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, #000 40%, transparent 100%); mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, #000 40%, transparent 100%); }
.about-intro-body { position: relative; height: 100%; padding: 40px 44px; display: flex; flex-direction: column; text-align: left; }
.about-kicker { display: inline-block; align-self: flex-start; padding: 0 12px; line-height: 26px; font-size: 12px; border-radius: 13px; background: rgba(255, 255, 255, .14); color: #CFE0FF; }
.about-intro h3 { margin-top: 18px; font-size: 24px; line-height: 1.35; font-weight: 500; }
.about-text { margin-top: 16px; max-width: 560px; font-size: 16px; line-height: 1.9; color: rgba(255, 255, 255, .84); }
.about-facts { margin-top: auto; padding-top: 24px; display: grid; gap: 4px; max-width: 560px; }
.fact { display: grid; grid-template-columns: 84px 1fr; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 10px; font-size: 14px; background: rgba(255, 255, 255, .08); }
.fact-k { display: flex; align-items: center; gap: 6px; font-weight: 500; color: #fff; }
.fact-k :is(.ph,.ic) { color: #9CC4FF; font-size: 18px; }
.fact-v { color: rgba(255, 255, 255, .86); }
.fact-v a:hover { color: #fff; text-decoration: underline; }
.about-actions { display: flex; gap: 12px; margin-top: 24px; }
.about-actions .btn { height: 52px; padding: 0 24px; font-size: 16px; justify-content: center; }
.about-actions .btn-primary { min-width: 200px; }
.about-actions .btn-primary { background: #fff; color: var(--primary); }
.about-actions .btn-ghost-dark { color: #fff; border: 1px solid rgba(255, 255, 255, .4); }
.about-actions .btn-ghost-dark:hover { background: rgba(255, 255, 255, .12); }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; grid-auto-rows: 1fr; gap: 16px; text-align: left; }
.about-stat { position: relative; padding: 28px 28px 24px; background: var(--gray); border-radius: var(--radius); transition: background .25s, transform .3s var(--ease), box-shadow .3s; }
.about-stat:hover { background: #fff; transform: translateY(-4px); box-shadow: 0 16px 36px rgba(56, 96, 244, .12); }
.about-stat > :is(.ph,.ic) { position: absolute; right: 24px; top: 24px; font-size: 36px; color: var(--primary); }
.about-stat-num { font-family: "DIN Alternate", "Bahnschrift", "SF Pro Display", Arial, sans-serif; font-size: 44px; line-height: 1; font-weight: 500; color: var(--title); }
.about-stat-label { margin-top: 10px; font-size: 16px; font-weight: 500; color: var(--title); }
.about-stat-note { margin-top: 6px; font-size: 14px; line-height: 1.6; color: var(--text); }

.honors-head { display: flex; align-items: flex-end; justify-content: space-between; margin: 56px 0 20px; text-align: left; scroll-margin-top: 90px; }
.honors-head h3 { font-size: 24px; line-height: 1.5; font-weight: 500; color: var(--title); }
.honors-head p { margin-top: 2px; font-size: 14px; color: var(--text); }
.honors-head { margin-bottom: 0; }
#about .pill-tabs-sm { margin: 20px 0 20px; }
.honor-panel.is-active { animation: none; }
.honor-wall { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; text-align: left; }
.honor-wall[data-count="2"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.honor-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: transform .3s var(--ease), box-shadow .3s, border-color .3s; }
.honor-card:hover { transform: translateY(-6px); border-color: #D6E0FF; box-shadow: 0 18px 40px rgba(56, 96, 244, .13); }
.honor-media { height: 208px; display: grid; place-items: center; overflow: hidden; background: linear-gradient(180deg, #F3F6FF, #E8EEFF); }
.honor-media img { width: 100%; height: 100%; object-fit: cover; padding: 12px 14px 0; transition: transform .6s var(--ease); pointer-events: none; -webkit-user-drag: none; }
.honor-card:hover .honor-media img { transform: scale(1.05); }
.honor-icon { width: 76px; height: 76px; display: grid; place-items: center; border-radius: 22px; background: #fff; box-shadow: 0 10px 28px rgba(56, 96, 244, .14); font-size: 40px; color: var(--primary); }
.honor-info { padding: 14px 16px 18px; }
.honor-tag { display: inline-block; padding: 0 8px; line-height: 22px; font-size: 12px; color: var(--primary); background: var(--tag); border-radius: 5px; }
.honor-info h4 { margin-top: 10px; font-size: 16px; line-height: 1.5; font-weight: 500; color: var(--title); }
.honor-info p { margin-top: 4px; font-size: 14px; line-height: 1.6; color: var(--text); }
.honors-more { margin-top: 28px; text-align: center; }
.honor-all { color: var(--primary); }

/* ---------- CTA 横幅（优秀的云计算服务即刻可得 式）---------- */
.cta { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: var(--cta-min-height); padding: 53px 20px 60px; text-align: center; background: #EEF6FF url("https://www-oeob-com.oss-cn-beijing.aliyuncs.com/web/home-hero-bg-89d034.webp") center / cover no-repeat; }
.cta-title { font-size: 36px; line-height: 1.5; font-weight: 500; color: var(--title); }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 34px; }
/* Product copy fits the same home-page CTA height through a compact subtitle variant. */
.prod-cta { padding: 28px 20px; }
.prod-cta .cta-title { font-size: 32px; line-height: 1.35; }
.prod-cta .cta-actions { margin-top: 20px; }
.cta > :is(.container,.tx-container) { width: 100%; max-width: 1280px; padding: 0; }
.btn-xl { height: 52px; padding: 0 24px; font-size: 16px; }
.cta-actions .btn-primary { min-width: 290px; }
.cta-actions .btn-white { justify-content: center; }

/* ---------- 预约弹窗 ---------- */
body.is-locked { overflow: hidden; }
.modal { width: min(1000px, calc(100vw - 32px)); max-width: none; max-height: none; margin: auto; padding: 0; border: 0; background: transparent; overflow: visible; color: inherit; }
.modal::backdrop { background: rgba(29, 39, 63, .45); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.modal[open] { animation: modal-in .32s var(--ease); }
.modal[open]::backdrop { animation: fade-bg .32s ease; }
@keyframes modal-in { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes fade-bg { from { opacity: 0; } to { opacity: 1; } }
.modal-card { position: relative; display: grid; grid-template-columns: 340px 1fr; max-height: calc(100vh - 48px); overflow: hidden; background: #fff; border-radius: var(--radius); box-shadow: 0 24px 80px rgba(29, 39, 63, .28); }
.modal-close { position: absolute; right: 16px; top: 16px; z-index: 2; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; font-size: 18px; color: var(--text); background: #fff; border: 1px solid var(--line); transition: color .2s, border-color .2s, transform .3s var(--ease); }
.modal-close:hover { color: var(--primary); border-color: var(--primary); transform: rotate(90deg); }
.booking-info { padding: 40px 32px; overflow: auto; background: linear-gradient(180deg, #F3F6FF, #E8EEFF); }
.booking-label { font-size: 14px; color: var(--text); }
.booking-phone { display: block; margin-top: 4px; font-size: 36px; font-weight: 500; color: var(--primary); font-family: "DIN Alternate", "Helvetica Neue", var(--font); }
.booking-qr { margin-top: 28px; padding: 16px; display: flex; align-items: center; gap: 16px; background: #fff; border-radius: var(--radius-sm); }
.booking-qr img { width: 104px; height: 104px; }
.booking-qr p { font-size: 14px; color: var(--title); }
.booking-info address { display: flex; gap: 6px; margin-top: 24px; font-size: 14px; line-height: 1.7; color: var(--text); }
.booking-info address :is(.ph,.ic) { margin-top: 3px; color: var(--primary); }
.booking-form { padding: 40px 44px 36px; overflow: auto; }
.modal-title { padding-right: 40px; font-size: 24px; line-height: 1.4; font-weight: 500; color: var(--title); }
.modal-sub { margin: 6px 0 24px; font-size: 14px; line-height: 1.7; color: var(--text); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 14px; color: var(--title); }
.field .req { margin-left: 3px; font-style: normal; color: #D92739; }
.field input, .field select, .field textarea { width: 100%; height: 44px; padding: 0 14px; border: 1px solid #DDE3EF; border-radius: 8px; background: #fff; font-size: 14px; transition: border-color .2s, box-shadow .2s; }
.field textarea { height: 88px; padding: 10px 14px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(56, 96, 244, .12); }
.field.has-error input { border-color: #D92739; box-shadow: 0 0 0 3px rgba(217, 39, 57, .1); }
.field-err { font-size: 12px; line-height: 1.4; color: #D92739; }
.consent { display: flex; align-items: center; gap: 8px; margin-top: 18px; font-size: 14px; color: var(--text); }
.consent input { accent-color: var(--primary); }
.consent-err { margin-top: 6px; }
.form-fallback { margin: 14px 0 0; padding: 10px 14px; font-size: 14px; color: #8A5A00; background: #FFF7E6; border-radius: 8px; }
.form-fallback a { color: var(--primary); font-weight: 500; }
.booking-form .btn-block { margin-top: 18px; justify-content: space-between; }
.form-done { padding: 64px 0; text-align: center; }
.form-done h3 { font-size: 24px; font-weight: 500; color: var(--title); }
.form-done p { margin-top: 10px; font-size: 14px; color: var(--text); }

/* ---------- footer ---------- */
.footer { background: var(--footer); color: rgba(255, 255, 255, .62); font-size: 14px; }
.service-bar { display: flex; justify-content: space-around; max-width: 1440px; margin: 0 auto; padding: 26px 36px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.service-item { display: flex; align-items: center; gap: 10px; font-size: 16px; color: #fff; transition: color .2s; }
.service-item :is(.ph,.ic) { font-size: 22px; color: var(--primary-light); }
.service-item:hover { color: var(--primary-light); }
.footer-main { display: flex; justify-content: space-between; gap: 48px; max-width: 1440px; margin: 0 auto; padding: 48px 36px 40px; }
.footer-brand { max-width: 440px; line-height: 1.9; }
.brand-invert img { height: 38px; filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-brand a:hover { color: #fff; }
.footer-cols { display: flex; gap: 72px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-title { margin-bottom: 6px; color: #fff; font-size: 16px; }
.footer-col a { transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-qr { align-items: center; }
.footer-qr img { width: 112px; height: 112px; padding: 6px; background: #fff; border-radius: 8px; }
.footer-qr p { font-size: 12px; }
.footer-copy { max-width: 1440px; margin: 0 auto; padding: 20px 36px 28px; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 12px; color: rgba(255, 255, 255, .45); }
.footer-copy a:hover { color: #fff; }

/* ---------- side dock ---------- */
.side-dock { position: fixed; right: 12px; top: 50%; transform: translateY(-50%); z-index: 90; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.dock-top, .dock-up { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: #fff; border-radius: 8px; box-shadow: 0 4px 16px rgba(29, 39, 63, .12); font-size: 14px; color: var(--title); transition: color .2s; }
.dock-top:hover, .dock-up:hover { color: var(--primary); }
.dock-up { opacity: 0; pointer-events: none; transition: opacity .3s; font-size: 18px; }
.side-dock.show-up .dock-up { opacity: 1; pointer-events: auto; }
.dock-contact { position: relative; }
.dock-tab { display: flex; flex-direction: column; align-items: center; gap: 8px; width: 44px; padding: 14px 0; background: var(--primary); color: #fff; border-radius: 8px; box-shadow: 0 6px 20px rgba(56, 96, 244, .3); }
.dock-tab span { writing-mode: vertical-rl; letter-spacing: .2em; font-size: 14px; }
.dock-tab :is(.ph,.ic) { font-size: 18px; }
.dock-panel { position: absolute; right: 56px; top: 50%; transform: translateY(-50%); width: 220px; padding: 20px; background: #fff; border-radius: 12px; box-shadow: 0 12px 40px rgba(29, 39, 63, .15); text-align: left; }
.dock-title { font-size: 14px; color: var(--muted); }
.dock-phone { display: block; margin: 2px 0 12px; font-size: 20px; font-weight: 500; color: var(--primary); }
.dock-phone.is-sm { font-size: 16px; color: var(--title); }
.dock-panel img { width: 128px; height: 128px; margin: 4px auto 0; }
.dock-note { margin-top: 6px; font-size: 12px; color: var(--text); text-align: center; }

/* ---------- responsive ---------- */
@media (max-width: 1280px) {
  .nav { margin-left: 24px; }
  .nav-item { padding: 0 12px; }
  .header-link:first-child { display: none; }
  .slide-art { width: 480px; }
  .strip-cell { padding: 24px 18px; }
  .strip-icon { right: 14px; font-size: 30px; }
  .strip-num { font-size: 32px; }
  .product-grid.cols-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .ip-acc { grid-template-columns: 260px minmax(0, 1fr); }
  .ip-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ip-grid.is-fold:not(.is-open) > li:nth-child(n+7) { display: none; }
  .nav, .header-link { display: none; }
  .menu-toggle { display: block; }
  .header-bar { padding-left: 20px; }
  .header-cta { width: 112px; font-size: 16px; }
  .mega { display: none !important; }
  .container, .slide-inner { padding: 0 24px; }
  .slide-copy { width: 100%; max-width: 560px; }
  .slide-art { width: 360px; right: 0; opacity: .5; }
  .banner-tabs { gap: 24px; max-width: calc(100% - 48px); overflow-x: auto; scrollbar-width: none; }
  .product-panel { flex-direction: column; min-height: 0; }
  .feature { width: 100%; flex-direction: row; }
  .feature-card { flex: 2; }
  .feature-mini { flex: 1; flex-direction: column; align-items: flex-start; justify-content: center; gap: 12px; }
  .product-grid.cols-4, .product-grid.cols-3 { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 120px; }
  .product-grid.is-few { grid-auto-rows: auto; }
  .product-grid.is-compact { grid-template-rows: none; grid-auto-rows: 96px; }
  .product-grid.is-compact .span-2 { grid-column: span 1; }
  .accordion { flex-direction: column; height: auto; }
  .acc-card, .acc-card.is-open { flex: none; }
  .acc-card { height: 120px; }
  .acc-card.is-open { height: auto; }
  .acc-body { width: 100%; height: auto; }
  .acc-card.is-open::before { background: rgba(232, 236, 248, .92); }
  .acc-card.is-open.tone-blue::before { background: rgba(46, 80, 216, .92); }
  .acc-card.is-open.tone-navy::before { background: rgba(30, 35, 80, .92); }
  .acc-more { flex: none; flex-direction: row; justify-content: center; gap: 8px; padding: 16px; }
  .acc-more span { writing-mode: horizontal-tb; margin: 0; letter-spacing: .1em; }
  .modal-card { grid-template-columns: 1fr; overflow: auto; }
  .booking-info, .booking-form { overflow: visible; }
  .footer-main { flex-direction: column; }
  .footer-cols { flex-wrap: wrap; gap: 40px; }
}
@media (max-width: 900px) {
  .strip-inner { grid-template-columns: repeat(3, 1fr); }
  .strip::after, .strip::before { display: none; }
  .strip-cell { border-bottom: 1px solid var(--line); }
  .strip-cell { padding: 28px 24px; }
}
@media (max-width: 640px) {
  :root { --header-h: 60px; }
  .brand img { height: 30px; }
  .header-cta { width: 92px; font-size: 14px; }
  .banner { height: 560px; }
  .slide-inner { align-items: flex-start; padding-top: 48px; }
  .slide-title { font-size: 36px; }
  .slide-desc { font-size: 14px; }
  .slide-actions { flex-direction: column; margin-top: 24px; }
  .slide-actions .btn { width: 100%; min-width: 0; }
  .slide-art { top: auto; bottom: 60px; right: 50%; width: 260px; transform: translateX(50%) !important; opacity: .9; }
  .slide-copy { padding-bottom: 0; }
  .banner-tabs { left: 24px; transform: none; bottom: 12px; }
  .strip-inner { grid-template-columns: repeat(2, 1fr); padding: 0; }
  .strip-cell { padding: 20px; min-height: 110px; }
  .strip-num { font-size: 24px; }
  .section { padding: 56px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
  .section-title { font-size: 24px; }
  .section-sub { font-size: 14px; }
  .section-links { gap: 24px; }
  .pill-tab { flex: none; height: 42px; font-size: 14px; padding: 0 14px; }
  .pill-tab :is(.ph,.ic) { font-size: 20px; }
  .feature { flex-direction: column; }
  .feature-mini { flex-direction: row; align-items: center; justify-content: space-between; }
  .product-grid.cols-4, .product-grid.cols-3, .product-grid.cols-2 { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 104px; padding: 8px 0; }
  .product-grid.is-few { grid-template-columns: 1fr; grid-auto-rows: auto; padding: 12px; }
  .product-card { padding: 0 16px; }
  .product-name { font-size: 16px; }
  .acc-body { padding: 24px 20px; }
  .acc-actions { flex-direction: column; }
  .acc-actions .btn { width: 100%; min-width: 0; }
  .cta { min-height: var(--cta-mobile-min-height); padding: 32px 20px; }
  .cta-title { font-size: 24px; }
  .prod-cta .cta-title { font-size: 26px; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn, .cta-actions .btn-primary { width: 100%; min-width: 0; }
  .booking-info, .booking-form { padding: 24px 20px; }
  .booking-qr, .booking-info address { display: none; }
  .modal-title { font-size: 20px; }
  .pill-tabs-sm .pill-tab { margin-right: 6px; }
  .form-grid { grid-template-columns: 1fr; }
  .service-bar { flex-wrap: wrap; justify-content: flex-start; gap: 16px 24px; padding: 20px 24px; }
  .service-item { font-size: 14px; }
  .footer-main { padding: 32px 24px; }
  .footer-copy { padding: 16px 24px 24px; }
  .side-dock { right: 8px; top: auto; bottom: 16px; transform: none; }
  .dock-top { display: none; }
  .dock-tab { padding: 10px 0; }
  .dock-tab span { display: none; }
  .dock-panel { top: auto; bottom: 0; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

@media (max-width: 1024px) {
  .product-grid.is-hot { grid-template-columns: repeat(2, 1fr); grid-auto-rows: auto; padding: 8px; }
  }
@media (max-width: 640px) {
  .product-grid.is-hot { grid-template-columns: 1fr; }
}

/* language dropdown (UCloud 中国站 style) */
.lang { position: relative; display: flex; align-items: center; height: 100%; margin-right: 4px; }
.lang-trigger { display: flex; align-items: center; gap: 2px; height: 100%; padding: 0 12px; font-size: 16px; line-height: 24px; font-weight: 500; color: #1D212D; white-space: nowrap; }
.lang-trigger :is(.ph,.ic) { font-size: 16px; transition: transform .2s; }
.lang:hover .lang-trigger, .lang.is-open .lang-trigger { color: var(--primary); }
.lang:hover .lang-trigger :is(.ph,.ic), .lang.is-open .lang-trigger :is(.ph,.ic) { transform: rotate(180deg); }
.lang-menu { position: absolute; top: var(--header-h); left: 0; min-width: 160px; margin: 0; padding: 0; list-style: none; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 16px 16px rgba(235, 240, 252, .5); overflow: hidden; }
.lang-menu li { padding: 10px 16px; font-size: 16px; line-height: 24px; color: var(--text); cursor: pointer; white-space: nowrap; }
.lang-menu li:hover, .lang-menu li:focus-visible { background: #F9FAFF; }
.lang-menu li[aria-selected="true"] { color: var(--primary); }
.lang-m { display: flex; gap: 8px; margin: 14px 24px; }
.lang-m button { height: 36px; padding: 0 18px; font-size: 14px; color: var(--text); border: 1px solid var(--line); border-radius: 18px; }
.lang-m button.is-on { color: #fff; background: var(--primary); border-color: var(--primary); }
@media (max-width: 1024px) { .lang { display: none; } }
@media (min-width: 1025px) { .lang-m { display: none; } }
.nav-item { white-space: nowrap; }
.header-link, .header-cta { white-space: nowrap; }
.header-link { padding: 0 12px; }
/* 产品网格：列宽允许收缩，避免 1025–1066 宽度时卡片内容把页面撑出横向滚动条 */
.product-grid { min-width: 0; }
@media (min-width: 1025px) {
  .product-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .product-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (min-width: 1025px) and (max-width: 1280px) { .product-grid.cols-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* 导航 7 项后头部空间变紧：Logo 不被挤压；按宽度逐级收紧（英文文案更长，更早收紧） */
.brand { flex-shrink: 0; }
@media (max-width: 1360px) { .header-link[href^="tel"] { display: none; } }
@media (max-width: 1560px) { :lang(en) .header-link[href^="tel"] { display: none; } }
@media (max-width: 1440px) {
  :lang(en) .nav { margin-left: 24px; }
  :lang(en) .nav-item { padding: 0 9px; }
  :lang(en) .nav-item.is-current::after, :lang(en) .has-mega.is-open::after { left: 9px; right: 9px; }
}
@media (max-width: 1180px) {
  .nav { margin-left: 12px; }
  .nav-item { padding: 0 9px; }
  .nav-item.is-current::after, .has-mega.is-open::after { left: 9px; right: 9px; }
  .header-link, .lang-trigger { padding: 0 9px; }
  .header-cta { min-width: 112px; padding: 0 20px; margin-left: 9px; }
}
@media (max-width: 1140px) {
  :lang(en) .nav-item { padding: 0 8px; font-size: 14px; }
  :lang(en) .nav-item.is-current::after, :lang(en) .has-mega.is-open::after { left: 8px; right: 8px; }
}
@media (max-width: 1060px) {
  :lang(en) .nav { margin-left: 6px; }
  :lang(en) .nav-item { padding: 0 6px; }
  :lang(en) .nav-item.is-current::after, :lang(en) .has-mega.is-open::after { left: 6px; right: 6px; }
}
@media (max-width: 1060px) {
  :lang(en) .nav { margin-left: 6px; }
  :lang(en) .nav-item { padding: 0 6px; }
  :lang(en) .nav-item.is-current::after, :lang(en) .has-mega.is-open::after { left: 6px; right: 6px; }
}
@media (max-width: 1120px) { .header-link[href="#wechat-consult"] { display: none; } }
@media (max-width: 1260px) { :lang(en) .header-link[href="#wechat-consult"] { display: none; } }
@media (max-width: 640px) { .header-cta { width: auto; min-width: 92px; padding: 0 14px; } }

/* 双色填充图标（UCloud 风格）：主体 currentColor，次级层 40% 透明 */
.ic { width: 1em; height: 1em; flex-shrink: 0; fill: currentColor; overflow: visible; vertical-align: -0.14em; }
.ic .b { opacity: .38; }
.btn .ic { font-size: 16px; }

@media (max-width: 1280px) {
  .logo-wall.is-clients, .logo-wall.is-collab { grid-template-columns: repeat(4, 1fr); }
  .logo-wall.is-buyers { grid-template-columns: repeat(3, 1fr); }
  .logo-wall.is-channels { grid-template-columns: repeat(4, 1fr); }
  .logo-wall.is-clients li:last-child,
  .logo-wall.is-channels li:last-child,
  .logo-wall.is-collab li:last-child,
  .logo-wall.is-buyers li:nth-last-child(-n+2) { display: none; }
  .about-top { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(4, 1fr); }
  .about-stat { padding: 22px 20px; }
  .about-stat-num { font-size: 36px; }
}
@media (max-width: 1024px) {
  .logo-wall.is-clients, .logo-wall.is-collab { grid-template-columns: repeat(3, 1fr); }
  .logo-wall.is-buyers { grid-template-columns: repeat(2, 1fr); }
  .logo-wall.is-channels { grid-template-columns: repeat(3, 1fr); }
  .logo-wall.is-clients li:last-child,
  .logo-wall.is-channels li:last-child,
  .logo-wall.is-collab li:last-child,
  .logo-wall.is-buyers li:nth-last-child(-n+2) { display: flex; }
  .partner-layout { flex-direction: column; min-height: 0; }
  .partner-feature { width: 100%; }
  .partner-nums { grid-template-columns: 1fr 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .about-intro { min-height: 0; }
}
@media (max-width: 640px) {
  .logo-wall.is-clients, .logo-wall.is-buyers, .logo-wall.is-channels, .logo-wall.is-collab { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .logo-ph-mark { flex-basis: 28px; height: 28px; font-size: 12px; }
  .logo-ph-name { font-size: 12px; }
  .logo-wall li { height: 60px; padding: 0 10px; }
  .is-clients li img, .is-channels li img, .is-collab li img { max-height: 44px; }
  .is-buyers li img { max-height: 44px; }
  .partner-panels { padding: 12px; }
  .partner-nums strong { font-size: 36px; }
  .about-intro-body { padding: 28px 22px; }
  .about-intro h3 { font-size: 20px; }
  .about-actions { flex-direction: column; }
  .about-actions .btn { width: 100%; }
  .fact { grid-template-columns: 72px 1fr; }
  .about-stat-num { font-size: 36px; }
  .about-stat > :is(.ph,.ic) { font-size: 28px; right: 16px; top: 16px; }
  .honors-head { flex-direction: column; gap: 6px; margin-top: 44px; }
  .honor-wall, .honor-wall[data-count="2"] { grid-template-columns: 1fr; }
  .honor-media { height: 150px; }
  .ip-acc { grid-template-columns: 1fr; height: auto; }
  .ip-side { flex-direction: row; }
  .ip-tab { padding: 14px 16px; min-height: 76px; }
  .ip-tab-num { font-size: 32px; min-width: 38px; }
  .ip-tab-text strong { font-size: 16px; }
  .ip-tab-text em, .ip-tab > .ph { display: none; }
  .ip-main { height: auto; }
  .ip-grid, .ip-grid.is-large { grid-template-columns: minmax(0, 1fr); }
  .ip-grid.is-fold:not(.is-open) > li:nth-child(n+5) { display: none; }
  .ip-grid.is-large { height: auto; grid-auto-rows: 84px; }
  .honors-head { margin-top: 40px; }
}

/* 产品与服务标签条：标签按内容宽度排布并均分整条（UCloud：图标24 + 间距8 + 文字，左右内边距20） */
#products .pill-tabs { justify-content: space-between; }
#products .pill-tab { flex: none; gap: 8px; }



/* ---------- milestones (horizontal year scrubber) ---------- */
.mile-section { position: relative; overflow: hidden; background:
  radial-gradient(circle at 8% 18%, rgba(88,164,255,.18), transparent 28%),
  radial-gradient(circle at 92% 12%, rgba(255,214,120,.22), transparent 24%),
  radial-gradient(circle at 88% 88%, rgba(120,220,180,.16), transparent 26%),
  linear-gradient(180deg, #F3F7FF 0%, #F8FBFF 48%, #fff 100%); }
.mile-section::before, .mile-section::after { content: ""; position: absolute; pointer-events: none; border: 1px solid rgba(56,96,244,.12); }
.mile-section::before { width: 120px; height: 120px; left: -24px; bottom: 48px; border-radius: 28px; transform: rotate(18deg); }
.mile-section::after { width: 86px; height: 86px; right: 6%; top: 72px; border-radius: 50%; }
.mile { position: relative; max-width: 1080px; margin: 0 auto; }
.mile-rail { display: grid; grid-template-columns: 40px minmax(0,1fr) 40px; align-items: center; gap: 8px; }
.mile-nav { width: 40px; height: 40px; border-radius: 50%; color: var(--primary); background: rgba(56,96,244,.08); display: grid; place-items: center; transition: background .2s, color .2s, opacity .2s; }
.mile-nav:hover { background: rgba(56,96,244,.16); }
.mile-nav:disabled { opacity: .35; cursor: default; }
.mile-nav .ph { font-size: 18px; }
.mile-track { position: relative; display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding: 8px 12px 28px; }
.mile-track::-webkit-scrollbar { display: none; }
.mile-track::before { content: ""; position: absolute; left: 18px; right: 18px; top: 46px; height: 2px; background: linear-gradient(90deg, transparent, #B7C8FF 8%, #B7C8FF 92%, transparent); pointer-events: none; }
.mile-year { position: relative; z-index: 1; flex: 1 0 auto; min-width: 108px; padding: 0 6px 18px; white-space: nowrap; scroll-snap-align: center; font-family: "DIN Alternate", "Bahnschrift", "SF Pro Display", Arial, sans-serif; font-size: 18px; line-height: 28px; font-weight: 500; color: #8FA0C8; transition: color .2s, font-size .2s, transform .2s; }
.mile-year::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%; background: #fff; border: 3px solid #B7C8FF; box-sizing: border-box; transition: transform .2s, background .2s, border-color .2s, box-shadow .2s; }
.mile-year.is-active { color: var(--primary); font-size: 24px; line-height: 32px; transform: translateY(-2px); }
.mile-year.is-active::after { background: var(--primary); border-color: var(--primary); box-shadow: 0 0 0 6px rgba(56,96,244,.14); transform: scale(1.08); }
.mile-year:hover:not(.is-active) { color: var(--primary); }
.mile-stage { position: relative; margin-top: 8px; min-height: 220px; }
.mile-panel { position: relative; overflow: hidden; min-height: 220px; padding: 36px 48px 40px; background: #fff; border-radius: 24px; border: 1px solid rgba(56,96,244,.08); box-shadow: 0 18px 48px rgba(56,96,244,.10); }
.mile-panel[hidden] { display: none !important; }
.mile-mark { position: absolute; left: 28px; top: 50%; transform: translateY(-52%); font-family: "DIN Alternate", "Bahnschrift", "SF Pro Display", Arial, sans-serif; font-size: clamp(96px, 14vw, 160px); line-height: .85; font-weight: 700; color: rgba(29,39,63,.06); pointer-events: none; user-select: none; }
.mile-body { position: relative; z-index: 1; max-width: 720px; margin-left: auto; }
.mile-phase { display: inline-flex; align-items: center; margin-bottom: 18px; padding: 0 12px; line-height: 28px; font-size: 13px; font-weight: 500; color: var(--primary); background: var(--tag); border-radius: 999px; }
.mile-events { position: relative; z-index: 1; display: grid; gap: 18px; padding-top: 0; }
.mile-events li { position: relative; padding-left: 22px; }
.mile-events li::before { content: ""; position: absolute; left: 0; top: 10px; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 4px rgba(56,96,244,.12); }
.mile-events strong { display: block; font-size: 20px; font-weight: 500; color: var(--title); margin-bottom: 6px; }
.mile-events p { font-size: 15px; line-height: 1.8; color: var(--text); }
@media (max-width: 900px) {
  .mile-rail { grid-template-columns: 36px minmax(0,1fr) 36px; }
  .mile-year { min-width: 64px; font-size: 16px; }
  .mile-year.is-active { font-size: 22px; }
  .mile-panel { padding: 28px 24px 32px; border-radius: 18px; }
  .mile-mark { left: 12px; font-size: 96px; opacity: .9; }
  .mile-body { max-width: none; margin-left: 0; padding-top: 72px; }
  .mile-events strong { font-size: 18px; }
}
@media (max-width: 640px) {
  .mile-nav { width: 32px; height: 32px; }
  .mile-panel { min-height: 0; }
  .mile-body { padding-top: 56px; }
}

/* ---------- about page ---------- */
.page-hero { padding: calc(var(--header-h) + 56px) 0 48px; background:
  radial-gradient(circle at 88% 20%, rgba(88,164,255,.22), transparent 26%),
  linear-gradient(180deg, #F3F7FF 0%, #fff 78%); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 48px; align-items: end; }
.page-kicker { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--primary); font-weight: 500; }
.hero-facts { display: grid; gap: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 16px 40px rgba(56,96,244,.08); overflow: hidden; }
.hero-facts li { display: grid; gap: 4px; padding: 16px 22px; border-top: 1px solid var(--line); }
.hero-facts li:first-child { border-top: 0; }
.hero-facts span { font-size: 12px; color: var(--muted); }
.hero-facts strong { font-size: 16px; font-weight: 500; color: var(--title); }
.hero-facts a:hover { color: var(--primary); }
.page-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.page-subnav { position: sticky; top: var(--header-h); z-index: 40; background: rgba(255,255,255,.92); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.page-subnav .page-anchors { margin: 0; padding: 12px 0; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.page-subnav .page-anchors a { flex: 0 0 auto; white-space: nowrap; }
.page-subnav .page-anchors::-webkit-scrollbar { display: none; }
.page-anchors a.is-on { color: #fff; background: var(--primary); border-color: var(--primary); }
.about-stats-row { grid-template-columns: repeat(5, minmax(0, 1fr)); margin-bottom: 28px; }
.about-stats-row .about-stat { min-height: 148px; }
.about-stat-num em { font-style: normal; font-size: .62em; }
.intro-split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; align-items: stretch; }
.intro-copy { padding: 8px 8px 0 0; }
.intro-copy p { font-size: 16px; line-height: 1.9; color: var(--text); }
.intro-copy p + p { margin-top: 16px; }
.intro-points { display: grid; gap: 12px; }
.intro-points li { display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; background: var(--gray); border-radius: var(--radius-sm); }
.intro-points .ic { flex: 0 0 22px; margin-top: 2px; font-size: 22px; color: var(--primary); }
.intro-points strong { display: block; font-size: 16px; font-weight: 500; }
.intro-points span { display: block; margin-top: 4px; font-size: 14px; line-height: 1.6; color: var(--text); }
.cap-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.cap-grid a { display: flex; flex-direction: column; min-height: 196px; padding: 22px 20px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: transform .25s var(--ease), box-shadow .25s, border-color .25s; }
.cap-grid a:hover { transform: translateY(-4px); border-color: #C9D6FF; box-shadow: 0 14px 32px rgba(56,96,244,.12); }
.cap-no { font-family: "DIN Alternate", "Bahnschrift", "SF Pro Display", Arial, sans-serif; font-size: 13px; font-weight: 500; color: var(--primary); }
.cap-grid h3 { margin-top: 18px; font-size: 18px; font-weight: 500; }
.cap-grid p { margin-top: auto; padding-top: 12px; font-size: 14px; line-height: 1.7; color: var(--text); }
#honors .pill-tabs-sm { justify-content: center; margin: 4px 0 24px; }
.honor-wall[data-count="4"] { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.honor-media.is-wide img { object-fit: contain; object-position: center; padding: 12px; background: #fff; }
button.honor-card, button.cert-card, button.ip-item { appearance: none; -webkit-appearance: none; font: inherit; color: inherit; text-align: left; cursor: zoom-in; }
button.honor-card { display: block; width: 100%; }
.honor-wall > li:has(> button.honor-card) { display: flex; }
button.honor-card:focus-visible, button.cert-card:focus-visible, button.ip-item:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
button.ip-item { width: 100%; }
.ip-ready { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 16px; min-height: 280px; }
.ip-sum { display: flex; flex-direction: column; justify-content: center; gap: 18px; padding: 28px; background: linear-gradient(160deg, #2A315F, #3860F4); color: #fff; border-radius: var(--radius); }
.ip-sum strong { display: block; font-family: "DIN Alternate", "Bahnschrift", "SF Pro Display", Arial, sans-serif; font-size: 48px; line-height: 1; font-weight: 500; }
.ip-sum span { display: block; margin-top: 6px; font-size: 15px; color: rgba(255,255,255,.86); }
.ip-sum-note { font-size: 13px; line-height: 1.7; color: rgba(255,255,255,.78); }
.ip-certs { display: grid; gap: 12px; }
.ip-certs a { display: flex; gap: 16px; align-items: center; height: 100%; min-height: 132px; padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .2s, box-shadow .2s; }
.ip-certs a:hover { border-color: #C9D6FF; box-shadow: 0 10px 24px rgba(56,96,244,.1); }
.ip-certs img { width: 72px; height: 96px; object-fit: cover; border-radius: 6px; background: var(--gray); }
.ip-certs strong { display: block; font-size: 16px; font-weight: 500; }
.ip-certs em { display: block; margin-top: 6px; font-style: normal; font-size: 13px; color: var(--text); }
.value-ico { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 14px; background: var(--tag); color: var(--primary); font-size: 24px; }
.visit { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 48px; align-items: center; padding: 36px 40px; background: var(--gray); border-radius: var(--radius); }
.visit-lead { margin: 12px 0 22px; max-width: 560px; font-size: 16px; line-height: 1.8; color: var(--text); }
.visit-list { display: grid; gap: 14px; margin-bottom: 28px; }
.visit-list li { display: flex; gap: 12px; align-items: flex-start; }
.visit-list .ic { margin-top: 2px; font-size: 20px; color: var(--primary); }
.visit-list strong { display: block; font-size: 14px; font-weight: 500; }
.visit-list span, .visit-list a { font-size: 16px; }
.visit-qr { text-align: center; }
.visit-qr img { width: 160px; height: 160px; margin: 0 auto; background: #fff; border-radius: 12px; padding: 8px; }
.visit-qr p { margin-top: 10px; font-size: 13px; color: var(--text); }
.crumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.crumb a:hover { color: var(--primary); }
.page-hero h1 { margin-top: 10px; font-size: 52px; line-height: 1.2; font-weight: 500; letter-spacing: -.02em; }
.page-hero-sub { margin-top: 12px; font-size: 16px; line-height: 1.7; color: var(--text); max-width: 640px; }
.page-anchors { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.page-anchors a { padding: 0 16px; line-height: 36px; font-size: 14px; font-weight: 500; color: var(--title); background: #fff; border: 1px solid var(--line); border-radius: 999px; transition: color .2s, border-color .2s, background .2s; }
.page-anchors a:hover { color: var(--primary); border-color: #C9D6FF; background: var(--tag); }
.section-desc { margin-top: 10px; font-size: 15px; color: var(--text); }
.section-head .section-sub:first-child { margin-top: 0; margin-bottom: 8px; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--primary); }
.section-head .section-sub:first-child + .section-title { margin-top: 0; }
.about-biz { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }
.about-biz article { padding: 28px 28px 32px; background: var(--gray); border-radius: var(--radius); }
.about-biz h3 { font-size: 18px; font-weight: 500; margin-bottom: 12px; }
.about-biz p { font-size: 15px; line-height: 1.8; color: var(--text); }
.value-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.value-grid li { padding: 32px 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.value-num { display: block; font-family: "DIN Alternate", "Bahnschrift", "SF Pro Display", Arial, sans-serif; font-size: 28px; font-weight: 500; color: var(--primary); margin-bottom: 16px; }
.value-grid h3 { font-size: 20px; font-weight: 500; margin-bottom: 12px; }
.value-grid p { font-size: 15px; line-height: 1.8; color: var(--text); }
@media (max-width: 1100px) {
  .page-hero-grid, .intro-split, .visit, .ip-ready { grid-template-columns: 1fr; }
  .about-stats-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cap-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .honor-wall[data-count="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cert-grid.is-patent { grid-template-columns: 1fr; }
}
@media (max-width: 1024px) {
  .about-biz, .value-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .about-stats-row, .cap-grid, .honor-wall[data-count="4"], .cert-grid { grid-template-columns: 1fr; }
  .cert-grid.is-fold:not(.is-open) > li:nth-child(n+4) { display: none; }
  .visit { padding: 24px 20px; }
  .page-hero h1 { font-size: 36px; }
}
@media (max-width: 640px) {
  .page-hero { padding: calc(var(--header-h) + 28px) 0 28px; }
  .page-hero h1 { font-size: 30px; }
  .page-anchors a { line-height: 32px; padding: 0 12px; font-size: 13px; }
}

/* ---------- product page ---------- */
.prod-hero { padding-bottom: 28px; background:
  radial-gradient(circle at 82% 18%, rgba(109, 150, 255, .35), transparent 26%),
  linear-gradient(180deg, #EEF3FF 0%, #F8FAFF 62%, #fff 100%); }
.prod-hero > .container:first-child .crumb { margin-bottom: 4px; }
.prod-hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: 36px; align-items: center; }
.prod-pill { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; font-size: 13px; font-weight: 500; color: var(--primary); background: #fff; border-radius: 999px; box-shadow: 0 8px 24px rgba(56, 96, 244, .1); }
.prod-pill:hover { color: var(--primary-hover); }
.prod-hero h1 { margin-top: 18px; font-size: 56px; line-height: 1.12; font-weight: 500; letter-spacing: -.03em; background: linear-gradient(100deg, #2F5BFF 0%, #7B97FF 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.prod-lead { margin-top: 14px; max-width: 680px; font-size: 32px; line-height: 1.35; font-weight: 500; color: #141B34; }
.prod-desc { margin-top: 16px; max-width: 620px; font-size: 15px; line-height: 1.85; color: var(--text); }
.prod-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }
.prod-actions .btn { justify-content: center; gap: 10px; min-width: 148px; }
.prod-visual { position: relative; min-height: 420px; border-radius: 28px; overflow: hidden; background: #1236C8; box-shadow: 0 24px 60px rgba(47, 91, 255, .18); }
.prod-visual img { width: 100%; height: 460px; object-fit: cover; object-position: center 40%; }
.prod-float { position: absolute; left: 20px; bottom: 20px; display: flex; align-items: baseline; gap: 10px; padding: 14px 16px; background: rgba(255,255,255,.94); border-radius: 14px; box-shadow: 0 10px 30px rgba(8, 20, 60, .18); }
.prod-float strong { font-size: 32px; line-height: 1; font-weight: 500; color: var(--primary); }
.prod-float span { font-size: 13px; line-height: 1.4; color: var(--text); }
.cap-four { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px 32px; }
.cap-four article { min-width: 0; }
.cap-ico { width: 64px; height: 64px; display: grid; place-items: center; margin-bottom: 18px; color: var(--primary); background: radial-gradient(circle at 35% 30%, #fff, #E7EEFF 62%); border-radius: 20px; box-shadow: inset 0 0 0 1px #E3EAFF; }
.cap-ico .ic { width: 28px; height: 28px; }
.cap-four h3 { font-size: 18px; font-weight: 500; }
.cap-four ul { margin-top: 12px; }
.cap-four li { position: relative; padding-left: 14px; font-size: 14px; line-height: 1.75; color: var(--text); }
.cap-four li + li { margin-top: 4px; }
.cap-four li::before { content: ""; position: absolute; left: 0; top: .7em; width: 4px; height: 4px; border-radius: 50%; background: #B7C0D0; }
.sku-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.sku { display: flex; flex-direction: column; min-width: 0; padding: 26px 22px 22px; background: linear-gradient(180deg, #F3F6FF 0%, #fff 46%); border: 1px solid #E6EBFA; border-radius: 16px; }
.sku h3 { font-size: 20px; font-weight: 500; }
.sku > p { margin-top: 8px; min-height: 44px; font-size: 14px; line-height: 1.6; color: var(--text); }
.sku dl { margin: 8px 0 16px; }
.sku dl div { display: flex; justify-content: space-between; gap: 12px; padding: 11px 0; border-top: 1px solid #EEF1F8; font-size: 14px; line-height: 1.5; }
.sku dt { flex: none; color: var(--muted); }
.sku dd { margin: 0; text-align: right; color: var(--title); }
.sku-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.sku-tags span { padding: 0 8px; line-height: 24px; font-size: 12px; color: var(--primary); background: var(--tag); border-radius: 5px; }
.sku .btn { justify-content: center; margin-top: auto; }
.sku-grid.is-wrap5 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.sku-grid.is-wrap5 > .sku:nth-child(-n+3) { grid-column: span 2; }
.sku-grid.is-wrap5 > .sku:nth-child(n+4) { grid-column: span 3; }
.relate-grid.is-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.sol-tabs { margin-bottom: 18px; }
.sol-card { display: grid; grid-template-columns: minmax(0, .92fr) minmax(300px, 1.08fr); gap: 28px; padding: 36px; background: #fff; border-radius: 20px; box-shadow: 0 10px 40px rgba(36, 58, 120, .05); }
.sol-card h3 { font-size: 28px; line-height: 1.3; font-weight: 500; }
.sol-card .sol-desc { margin-top: 12px; font-size: 15px; line-height: 1.8; color: var(--text); }
.sol-k { margin-top: 22px; margin-bottom: 4px; font-size: 16px; font-weight: 500; }
.sol-card .btn { justify-content: center; min-width: 160px; margin-top: 8px; }
.pair-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.pair-row a { display: inline-flex; align-items: center; gap: 6px; padding: 0 12px; line-height: 34px; font-size: 13px; color: var(--title); background: var(--gray); border-radius: 8px; }
.pair-row a:hover { color: var(--primary); }
.flow { display: grid; align-content: center; gap: 14px; min-height: 100%; padding: 22px; background: linear-gradient(180deg, #F7F9FF, #EEF3FF); border-radius: 16px; }
.flow-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.flow-row span, .flow-core em { padding: 0 12px; line-height: 34px; font-size: 13px; font-style: normal; color: var(--title); background: #fff; border-radius: 8px; box-shadow: 0 4px 14px rgba(56, 96, 244, .06); }
.flow-core { padding: 18px 16px; text-align: center; color: #fff; background: linear-gradient(100deg, #3860F4, #6D97FF); border-radius: 14px; }
.flow-core strong { display: block; font-size: 16px; font-weight: 500; }
.flow-core em { display: inline-block; margin-top: 10px; color: var(--title); }
.sol-banner { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 16px; padding: 28px 32px; color: #fff; background: linear-gradient(100deg, #355CFF 0%, #79A6FF 100%); border-radius: 18px; }
.sol-banner h3 { font-size: 24px; line-height: 1.4; font-weight: 500; }
.sol-banner p { margin-top: 6px; font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.88); }
.sol-banner ul { display: flex; flex-wrap: wrap; gap: 8px; }
.sol-banner li { padding: 0 14px; line-height: 36px; font-size: 13px; color: var(--title); background: #fff; border-radius: 8px; }
.cmp-scroll { overflow-x: auto; background: #fff; border-radius: 16px; }
.cmp { width: 100%; min-width: 760px; border-collapse: collapse; }
.cmp th, .cmp td { padding: 18px 16px; text-align: left; font-size: 14px; line-height: 1.6; font-weight: 400; border-bottom: 1px solid #F0F3F8; }
.cmp thead th { font-size: 16px; font-weight: 500; color: var(--title); background: #F8FAFF; }
.cmp tbody th { width: 72px; color: var(--muted); }
.cmp .is-em, .sku .is-em { color: var(--primary); font-weight: 500; }
.logo-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.logo-grid li { display: grid; place-items: center; height: 88px; padding: 12px 16px; background: #fff; border-radius: 12px; }
.logo-grid img { max-width: 100%; max-height: 48px; object-fit: contain; }
.case-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 20px; }
.case-card { min-width: 0; padding: 22px 22px 24px; background: #fff; border-radius: 16px; }
.case-card img { height: 36px; width: auto; max-width: 140px; object-fit: contain; object-position: left center; }
.case-mark { display: inline-grid; place-items: center; height: 36px; padding: 0 12px; font-size: 14px; font-weight: 500; color: var(--primary); background: var(--tag); border-radius: 8px; }
.case-card h3 { margin-top: 16px; font-size: 20px; font-weight: 500; }
.case-card p { margin-top: 8px; font-size: 15px; line-height: 1.8; color: var(--text); }
.logo-grid-note { margin-top: 14px; font-size: 14px; line-height: 1.7; color: var(--muted); text-align: center; }
.logo-grid-note a { color: var(--primary); }
.arch-layers { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.arch-layers li { display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 8px 28px; align-items: center; padding: 22px 28px; background: linear-gradient(90deg, #F4F7FF 0%, #fff 42%); border: 1px solid #E6EBFA; border-radius: 16px; }
.arch-layers li:nth-child(2) { margin-left: 28px; }
.arch-layers li:nth-child(3) { margin-left: 56px; }
.arch-k { grid-row: span 2; font-size: 13px; font-weight: 500; color: var(--primary); }
.arch-layers strong { font-size: 18px; font-weight: 500; }
.arch-layers li > span:last-child { font-size: 14px; line-height: 1.6; color: var(--text); }
.arch-chain { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 0; padding: 0; list-style: none; }
.arch-chain li { display: inline-flex; align-items: center; gap: 8px; padding: 0 16px; line-height: 40px; font-size: 14px; color: var(--title); background: #fff; border-radius: 999px; box-shadow: 0 6px 18px rgba(56, 96, 244, .06); }
.arch-chain li:not(:last-child)::after { content: ""; width: 18px; height: 1px; margin-left: 8px; background: #C9D4EA; }
.prod-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.prod-steps article { min-width: 0; padding: 24px 22px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.prod-step-num { margin: 0; font-size: 13px; font-weight: 500; letter-spacing: .06em; color: var(--primary); }
.prod-steps h3 { margin-top: 10px; font-size: 18px; font-weight: 500; }
.prod-steps p { margin-top: 8px; font-size: 14px; line-height: 1.75; color: var(--text); }
.help-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.help-cols article { min-width: 0; padding: 26px 24px; background: var(--gray); border-radius: 16px; }
.help-ico { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 14px; font-size: 22px; color: var(--primary); background: #fff; border-radius: 14px; box-shadow: 0 6px 18px rgba(56, 96, 244, .08); }
.help-cols h3 { font-size: 17px; font-weight: 500; }
.help-links { margin-top: 14px; }
.help-links li + li { margin-top: 8px; }
.help-links a { font-size: 14px; line-height: 1.6; color: var(--text); }
.help-links a:hover { color: var(--primary); }
.relate-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.relate-card { display: flex; flex-direction: column; min-height: 210px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 16px; transition: transform .25s var(--ease), box-shadow .25s; }
.relate-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(56, 96, 244, .12); }
.relate-ico { width: 40px; height: 40px; display: grid; place-items: center; margin-bottom: 14px; color: var(--primary); background: var(--tag); border-radius: 12px; }
.relate-ico .ic { width: 20px; height: 20px; }
.relate-card h3 { font-size: 18px; font-weight: 500; }
.relate-card p { margin-top: 8px; font-size: 14px; line-height: 1.7; color: var(--text); }
.relate-card .link-arrow { margin-top: auto; padding-top: 16px; color: var(--primary); }
.faq-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.faq-grid article { padding: 24px 24px 26px; background: #fff; border-radius: 16px; }
.faq-grid h3 { font-size: 16px; font-weight: 500; }
.faq-grid p { margin-top: 8px; font-size: 14px; line-height: 1.8; color: var(--text); }
.faq-accordion { display: grid; gap: 10px; max-width: 880px; margin: 0 auto; }
.faq-item { padding: 0 22px; background: #fff; border-radius: 14px; border: 1px solid var(--line); }
.faq-item[open] { padding-bottom: 18px; box-shadow: 0 8px 28px rgba(36, 58, 120, .06); border-color: #E0E8FF; }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0; font-size: 16px; font-weight: 500; line-height: 1.45; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: ""; flex: none; width: 10px; height: 10px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .2s var(--ease); }
.faq-item[open] summary::after { transform: rotate(-135deg); margin-top: 6px; }
.faq-item p { font-size: 14px; line-height: 1.85; color: var(--text); }
.faq-item p a { color: var(--primary); }
.has-prod-subnav { scroll-padding-top: calc(var(--header-h) + 50px); }
.relate-card.is-feat { border-color: #C9D6FF; background: linear-gradient(180deg, #F3F6FF 0%, #fff 52%); box-shadow: 0 12px 32px rgba(56, 96, 244, .1); }
.prod-pill .ic { width: 16px; height: 16px; margin-right: 2px; }
.prod-cta .section-sub { max-width: 920px; margin: 8px auto 0; font-size: 14px; line-height: 1.7; }
@media (max-width: 1100px) {
  .prod-hero-grid, .sol-card, .faq-grid { grid-template-columns: 1fr; }
  .cap-four, .sku-grid, .relate-grid, .logo-grid, .prod-steps, .help-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sku-grid.is-wrap5 > .sku, .relate-grid.is-three { grid-column: auto; }
  .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .prod-hero h1 { font-size: 40px; }
  .prod-lead { font-size: 24px; }
  .sol-banner { flex-direction: column; align-items: flex-start; }
  .prod-visual, .prod-visual img { min-height: 280px; height: 280px; }
}
@media (max-width: 700px) {
  .cap-four, .sku-grid, .relate-grid, .logo-grid, .case-grid, .prod-steps, .help-cols { grid-template-columns: 1fr; }
  .sku-grid.is-wrap5 > .sku { grid-column: auto; }
  .arch-layers li, .arch-layers li:nth-child(2), .arch-layers li:nth-child(3) { grid-template-columns: 1fr; margin-left: 0; }
  .arch-k { grid-row: auto; }
  .prod-hero h1 { font-size: 34px; }
  .prod-lead { font-size: 22px; }
  .prod-actions .btn { width: 100%; }
  .sol-card { padding: 22px 18px; }
  .sku > p { min-height: 0; }
}

/* 政企采购电商：产品详情页（电脑版 + 手机 H5） */
.page-pd .page-subnav .container.page-anchors { margin-left: auto; margin-right: auto; padding: 12px 36px; scroll-padding-inline: 36px; }
.page-pd :is(section[id], .gv-banner, .gv-block) { scroll-margin-top: calc(var(--header-h) + 72px); }
.page-pd .section-head .section-sub { max-width: 920px; line-height: 1.75; }
.page-pd .section-sub { text-wrap: pretty; }
.page-pd .section-title { text-wrap: balance; }
.page-pd .section-title span { display: inline-block; }
:where(.page-pd) ol { margin: 0; padding: 0; list-style: none; }
:where(.page-pd) h4 { margin: 0; }
.page-pd .gv-lav { background: #F1F3FF; }
.page-pd .gv-block { margin-top: 80px; }

/* 首屏 */
.gv-hero { position: relative; overflow: hidden; background: #E2F7FE url("https://www-oeob-com.oss-cn-beijing.aliyuncs.com/web/home-hero-bg-89d034.webp") center / cover no-repeat; }
.gv-hero-in { display: grid; grid-template-columns: minmax(0, 1fr) 500px; align-items: center; gap: 40px; min-height: 440px; padding-top: 28px; padding-bottom: 44px; }
.gv-hero-copy > :first-child { margin-top: 0; }
.gv-name { width: max-content; max-width: 100%; margin-top: 16px; font-size: 44px; line-height: 1.3; font-weight: 700; letter-spacing: .01em; color: var(--primary); background: linear-gradient(90deg, #3860F4 0%, #5B6CF6 55%, #8A63F8 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.gv-headline { margin-top: 2px; font-size: 32px; line-height: 1.4; font-weight: 600; color: var(--title); }
.gv-headline span { display: inline-block; }
.gv-desc { max-width: 720px; margin-top: 14px; font-size: 16px; line-height: 1.75; color: var(--text); }
.gv-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }
.gv-actions .btn-primary { min-width: 260px; }
.gv-actions .btn-white { min-width: 168px; justify-content: center; }
.gv-textlink { margin-left: 12px; font-size: 16px; font-weight: 500; color: var(--primary); }
.gv-textlink:hover { color: var(--primary-hover); text-decoration: underline; text-underline-offset: 4px; }
.gv-hero-art { width: 100%; height: auto; pointer-events: none; -webkit-user-select: none; user-select: none; }

/* 四列能力 */
.gv-caps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.gv-caps > li { padding: 32px 28px 30px; background: linear-gradient(180deg, #F6F8FD 0%, #fff 100%); border: 1px solid var(--line); border-radius: var(--radius); transition: transform .25s var(--ease), box-shadow .25s, border-color .2s; }
.gv-caps > li:hover { transform: translateY(-4px); border-color: #C9D6FF; box-shadow: 0 16px 36px rgba(56, 96, 244, .12); }
.gv-cap-ico { display: grid; place-items: center; width: 64px; height: 64px; color: #fff; background: linear-gradient(135deg, #6C95FF 0%, #3860F4 60%, #6B5CF6 100%); border-radius: 20px; box-shadow: 0 12px 24px rgba(56, 96, 244, .24); }
.gv-cap-ico .ic { width: 30px; height: 30px; }
.gv-caps h3 { margin-top: 24px; font-size: 20px; line-height: 1.4; font-weight: 500; color: var(--title); }
.gv-caps ul, .gv-docs ul { margin-top: 10px; }
.gv-caps ul li, .gv-docs ul li { position: relative; padding-left: 14px; font-size: 14px; line-height: 26px; color: var(--text); }
.gv-caps ul li::before, .gv-docs ul li::before { content: ""; position: absolute; left: 0; top: 11px; width: 4px; height: 4px; border-radius: 50%; background: #A9B7D1; }

.gv-caps.is-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gv-caps ul li b { margin-right: 6px; font-weight: 500; color: var(--title); }
.gv-scene { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 20px; margin-top: 16px; padding: 16px 24px; background: var(--gray); border-radius: 14px; }
.gv-scene-k { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; color: var(--title); }
.gv-scene-k .ic { width: 20px; height: 20px; color: var(--primary); }
.gv-scene ul { display: flex; flex-wrap: wrap; gap: 8px; }
.gv-scene li { padding: 0 14px; font-size: 14px; line-height: 34px; color: var(--title); background: #fff; border: 1px solid var(--line); border-radius: 999px; }
.gv-subtitle { margin-bottom: 20px; font-size: 22px; line-height: 1.4; font-weight: 600; color: var(--title); }

/* 服务内容：标签 + 方案卡 */
.gv-tabs { width: max-content; max-width: 100%; scroll-snap-type: x proximity; }
.gv-tabs .pill-tab { flex: none; padding: 0 28px; scroll-snap-align: start; }
.gv-sol { display: grid; grid-template-columns: 420px minmax(0, 1fr); margin-top: 24px; background: #fff; border-radius: var(--radius); overflow: hidden; }
.gv-sol-main { display: flex; flex-direction: column; padding: 32px; }
.gv-sol-main h3 { font-size: 20px; line-height: 1.4; font-weight: 600; color: var(--title); }
.gv-sol-desc { margin-top: 8px; font-size: 14px; line-height: 1.7; color: var(--text); }
.gv-sol-k { margin-top: 24px; font-size: 16px; font-weight: 600; color: var(--title); }
.gv-sol .checks { margin-top: 12px; }
.gv-sol-btn { width: 100%; height: 52px; margin-top: 28px; }
.gv-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.gv-chips a { display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 14px; font-size: 14px; color: var(--title); background: var(--gray); border-radius: var(--radius-sm); transition: color .2s, background .2s; }
.gv-chips a .ph { font-size: 18px; color: var(--primary); }
.gv-chips a:hover { color: var(--primary); background: var(--tag); }
.gv-sol-art { display: flex; flex-direction: column; justify-content: center; gap: 28px; margin: 12px; padding: 40px 32px; border-radius: 14px; background: radial-gradient(circle, rgba(56, 96, 244, .1) 1px, transparent 1.5px) 0 0 / 20px 20px, linear-gradient(135deg, #F4F7FF 0%, #E8EEFF 100%); }
.gv-dia-row { display: flex; align-items: center; justify-content: center; }
.gv-node { flex: 1 1 0; min-width: 0; max-width: 230px; display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 26px 14px; text-align: center; background: #fff; border-radius: 16px; box-shadow: 0 10px 30px rgba(56, 96, 244, .1); }
.gv-node .ic { width: 36px; height: 36px; margin-bottom: 8px; color: var(--primary); }
.gv-node b { font-size: 16px; line-height: 1.4; font-weight: 600; color: var(--title); }
.gv-node span { font-size: 12px; line-height: 1.6; color: var(--muted); }
.gv-node.is-core { padding: 36px 14px; background: linear-gradient(135deg, #5C89FF 0%, #3860F4 55%, #6B5CF6 100%); box-shadow: 0 18px 40px rgba(56, 96, 244, .32); }
.gv-node.is-core .ic, .gv-node.is-core b { color: #fff; }
.gv-node.is-core span { color: rgba(255, 255, 255, .82); }
.gv-arrow { position: relative; flex: 0 0 56px; height: 2px; margin: 0 6px; background: repeating-linear-gradient(90deg, #8FA8FF 0 6px, transparent 6px 12px); }
.gv-arrow::after { content: ""; position: absolute; right: -2px; top: -4px; border-left: 8px solid #6E8DFF; border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.gv-dia-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.gv-dia-steps li { display: flex; align-items: center; gap: 10px; padding: 14px 16px; font-size: 14px; line-height: 1.5; color: var(--title); background: rgba(255, 255, 255, .86); border: 1px solid #fff; border-radius: 12px; }
.gv-dia-steps em { flex: none; font-style: normal; font-size: 16px; font-weight: 700; color: var(--primary); font-variant-numeric: tabular-nums; }

/* 标讯列表（版式，数据后续接入） */
.gv-news { grid-column: 1 / -1; padding: 26px 32px 24px; border-top: 1px solid var(--line); }
.gv-news-head { display: flex; align-items: center; gap: 12px 24px; }
.gv-news-head h4 { display: flex; align-items: center; gap: 8px; font-size: 18px; line-height: 1.4; font-weight: 600; color: var(--title); white-space: nowrap; }
.gv-news-head h4 .ph { font-size: 22px; color: var(--primary); }
.gv-news-filter { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.gv-news-filter::-webkit-scrollbar { display: none; }
.gv-news-filter button { flex: none; height: 32px; padding: 0 14px; font-size: 13px; color: var(--text); background: var(--gray); border-radius: 999px; transition: color .2s, background .2s; }
.gv-news-filter button:hover { color: var(--primary); background: var(--tag); }
.gv-news-filter button.is-on { color: #fff; background: var(--primary); }
.gv-news-more { display: inline-flex; align-items: center; gap: 4px; margin-left: auto; font-size: 14px; font-weight: 500; color: var(--primary); white-space: nowrap; cursor: pointer; }
.gv-news-list { margin-top: 10px; }
.gv-news-list li { border-bottom: 1px solid var(--line); }
.gv-news-item { display: grid; grid-template-columns: 84px minmax(0, 1fr) 116px 136px 88px; align-items: center; gap: 16px; margin: 0 -12px; padding: 15px 12px; border-radius: var(--radius-sm); cursor: pointer; transition: background .2s; }
.gv-news-item:hover { background: var(--gray); }
.gv-news-tag { justify-self: start; padding: 0 10px; font-size: 12px; line-height: 24px; font-weight: 500; color: var(--primary); background: var(--tag); border-radius: 6px; white-space: nowrap; }
.gv-news-tag.is-award { color: #C56A0A; background: #FFF2E0; }
.gv-news-cat { justify-self: start; padding: 0 8px; font-size: 12px; line-height: 22px; border: 1px solid; border-radius: 6px; white-space: nowrap; }
.gv-news-cat.is-welfare { color: #D64A6A; border-color: #F7C9D4; background: #FFF5F7; }
.gv-news-cat.is-mro { color: #2F7D9A; border-color: #BFE1EC; background: #F2FAFD; }
.gv-news-title { min-width: 0; font-size: 15px; line-height: 1.6; font-weight: 500; color: var(--title); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .2s; }
.gv-news-item:hover .gv-news-title { color: var(--primary); }
.gv-news-title em { margin-left: 8px; padding: 1px 6px; font-style: normal; font-size: 12px; font-weight: 400; color: var(--muted); border: 1px solid var(--line); border-radius: 4px; }
.gv-news-meta { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); white-space: nowrap; }
.gv-news-meta .ph { font-size: 15px; color: var(--muted); }
.gv-news-date { font-size: 13px; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.gv-news-tip { margin-top: 14px; font-size: 13px; color: var(--muted); }
.gv-tender { display: grid; grid-template-columns: minmax(0, 1fr) 200px; align-items: stretch; gap: 12px; padding: 20px; }
.gv-tender .gv-news { grid-column: auto; padding: 18px 20px 14px; background: #fff; border-top: 0; border-radius: 14px; }
.gv-tender .gv-news-head { gap: 12px 16px; }
.gv-tender .gv-news-item { grid-template-columns: 76px minmax(0, 1fr) 84px 84px; gap: 12px; padding: 12px; }
.gv-tender .gv-news-meta { display: none; }
.gv-tender .gv-news-list li:last-child { border-bottom: 0; }
.gv-tender .gv-news-tip { margin-top: 8px; }
.gv-mp { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 20px 16px; text-align: center; background: #fff; border-radius: 14px; }
.gv-mp img { width: 148px; height: 148px; border-radius: 8px; }
.gv-mp b { display: block; font-size: 15px; font-weight: 600; color: var(--title); }
.gv-mp p { margin-top: 4px; font-size: 13px; line-height: 1.6; color: var(--text); }

/* 入驻准备：渐变横幅 */
.gv-banner { position: relative; margin-top: 24px; padding: 36px 32px 28px; color: #fff; border-radius: var(--radius); background: linear-gradient(100deg, #3860F4 0%, #4E6BF6 48%, #7B5CF5 100%); overflow: hidden; }
.gv-banner::before { content: ""; position: absolute; right: -80px; top: -140px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(255, 255, 255, .2), rgba(255, 255, 255, 0) 68%); pointer-events: none; }
.gv-banner-head { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.gv-banner-head :is(h2, h3) { font-size: 26px; line-height: 1.4; font-weight: 600; }
.gv-banner-head p { max-width: 960px; text-wrap: pretty; margin-top: 8px; font-size: 14px; line-height: 1.8; color: rgba(255, 255, 255, .88); }
.gv-banner-head .btn { flex: none; min-width: 180px; height: 48px; justify-content: center; font-size: 15px; font-weight: 500; color: var(--primary); background: #fff; }
.gv-banner-head .btn:hover { box-shadow: 0 10px 24px rgba(20, 34, 110, .28); }
.gv-banner-cards { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 28px; }
.gv-banner-cards li { padding: 20px 20px 22px; background: #fff; border-radius: 14px; }
.gv-banner-cards h4 { display: flex; align-items: center; gap: 8px; font-size: 16px; line-height: 1.4; font-weight: 600; color: var(--primary); }
.gv-banner-cards h4 .ic { width: 22px; height: 22px; }
.gv-banner-cards p { margin-top: 8px; font-size: 13px; line-height: 1.8; color: var(--text); }
.gv-banner-chain { position: relative; display: flex; flex-wrap: wrap; gap: 10px 0; margin-top: 22px; counter-reset: gvc; }
.gv-banner-chain li { display: flex; align-items: center; font-size: 13px; color: rgba(255, 255, 255, .94); counter-increment: gvc; }
.gv-banner-chain li::before { content: counter(gvc); display: grid; place-items: center; width: 22px; height: 22px; margin-right: 8px; font-size: 12px; font-weight: 600; color: var(--primary); background: #fff; border-radius: 50%; }
.gv-banner-chain li:not(:last-child)::after { content: ""; width: 28px; height: 1px; margin: 0 12px; background: rgba(255, 255, 255, .45); }
.gv-notice { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 12px; padding: 20px 32px; background: #fff; border-radius: var(--radius); }
.gv-notice strong { display: flex; align-items: center; gap: 8px; font-size: 18px; line-height: 1.5; font-weight: 600; color: var(--title); }
.gv-notice strong .ic { width: 22px; height: 22px; color: var(--primary); }
.gv-notice p { margin-top: 4px; font-size: 14px; color: var(--text); }
.gv-notice .btn { flex: none; min-width: 160px; height: 44px; justify-content: center; }

/* 电商与 API：对照表 */
.gv-table-wrap { background: #fff; border: 1px solid #E4E8FA; border-radius: 14px; overflow: hidden; }
.gv-table { width: 100%; border-collapse: collapse; }
.gv-table thead th { padding: 18px 24px; text-align: left; font-size: 15px; font-weight: 500; color: var(--text); background: #F8F9FF; }
.gv-table tbody tr { border-top: 1px solid #EEF0FA; transition: background .2s; }
.gv-table tbody tr:hover { background: #FAFBFF; }
.gv-table tbody th { padding: 20px 24px; text-align: left; font-size: 16px; font-weight: 600; color: var(--title); white-space: nowrap; }
.gv-table td { padding: 20px 24px; font-size: 14px; line-height: 1.7; color: var(--text); }
.gv-table td.gv-td-act { white-space: nowrap; }
.gv-table td.gv-td-act a { font-weight: 500; color: var(--primary); }
.gv-table td.gv-td-act a:hover { text-decoration: underline; text-underline-offset: 4px; }
.gv-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.gv-tags span { padding: 0 10px; font-size: 13px; line-height: 26px; font-weight: 500; color: var(--primary); background: var(--tag); border-radius: 6px; white-space: nowrap; }

/* 平台经验：Logo 墙 */
.gv-logos { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.gv-logos li { display: flex; align-items: center; justify-content: center; height: 88px; padding: 0 18px; background: #fff; border-radius: 12px; box-shadow: 0 4px 16px rgba(56, 96, 244, .06); transition: transform .25s var(--ease), box-shadow .25s; }
.gv-logos li:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(56, 96, 244, .14); }
.gv-logos img { max-width: 100%; max-height: 48px; width: auto; height: auto; object-fit: contain; }
.gv-note { margin-top: 20px; font-size: 13px; line-height: 1.8; color: var(--muted); }

/* 实施流程 */
.gv-steps { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 28px 20px; padding: 36px 32px; background: #fff; border-radius: var(--radius); }
.gv-steps li { position: relative; }
.gv-step-no { position: relative; z-index: 1; display: grid; place-items: center; width: 44px; height: 44px; font-size: 15px; font-weight: 700; color: var(--primary); background: var(--tag); border-radius: 50%; transition: color .2s, background .2s; }
.gv-steps li:hover .gv-step-no { color: #fff; background: var(--primary); }
.gv-steps li:not(:last-child)::before { content: ""; position: absolute; left: 54px; right: -10px; top: 21px; border-top: 2px dashed #D3DCFA; }
.gv-steps h3 { margin-top: 16px; font-size: 16px; line-height: 1.5; font-weight: 600; color: var(--title); }
.gv-steps p { margin-top: 6px; font-size: 13px; line-height: 1.8; color: var(--text); }
.gv-steps.is-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.gv-steps.is-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

/* 交付支持 */
.gv-docs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.gv-docs > li { padding: 24px 28px 26px; background: #fff; border: 1px solid #EAEDF7; border-radius: var(--radius); transition: border-color .2s, box-shadow .25s; }
.gv-docs > li:hover { border-color: #C9D6FF; box-shadow: 0 12px 28px rgba(56, 96, 244, .1); }
.gv-docs.is-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gv-docs h3 { font-size: 20px; line-height: 1.4; font-weight: 500; color: var(--title); }

/* 常见问题 */
.gv-faq { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; align-items: start; }
.gv-faq-col { display: grid; gap: 12px; }

/* 相关产品 */
.gv-like { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.gv-like :is(a, .is-unavailable) { position: relative; display: flex; flex-direction: column; min-height: 176px; padding: 24px 176px 22px 24px; border-radius: var(--radius); background: linear-gradient(120deg, #F1F5FF 0%, #E4ECFF 62%, #DCE5FF 100%); overflow: hidden; transition: transform .25s var(--ease), box-shadow .25s; }
.gv-like a:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(56, 96, 244, .16); }
.gv-like h3 { font-size: 18px; line-height: 1.4; font-weight: 600; color: var(--title); }
.gv-like p { margin-top: 8px; font-size: 13px; line-height: 1.75; color: var(--text); }
.gv-like-go { display: inline-flex; align-items: center; gap: 4px; margin-top: auto; padding-top: 14px; font-size: 14px; font-weight: 500; color: var(--primary); }
.gv-like img { position: absolute; right: 2px; bottom: 6px; width: 172px; height: auto; pointer-events: none; transition: transform .4s var(--ease); }
.gv-like a:hover img { transform: scale(1.06); }

@media (max-width: 1280px) {
  .gv-hero-in { grid-template-columns: minmax(0, 1fr) 400px; gap: 24px; }
  .gv-headline { font-size: 28px; }
  .gv-sol { grid-template-columns: 380px minmax(0, 1fr); }
  .gv-arrow { flex-basis: 32px; }
  .gv-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .gv-steps li:nth-child(4)::before { content: none; }
  .gv-steps.is-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .gv-steps.is-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .gv-steps:is(.is-5, .is-6) li:nth-child(4):not(:last-child)::before { content: ""; }
  .gv-like :is(a, .is-unavailable) { padding-right: 132px; }
  .gv-like img { width: 132px; }
}
@media (max-width: 1100px) {
  .page-pd .page-subnav .container.page-anchors { padding: 12px 24px; scroll-padding-inline: 24px; }
  .gv-hero-in { grid-template-columns: minmax(0, 1fr) 300px; }
  .gv-caps, .gv-docs, .gv-banner-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gv-caps.is-3, .gv-docs.is-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gv-steps.is-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gv-steps.is-6 li:nth-child(3n)::before { content: none; }
  .gv-sol { grid-template-columns: 1fr; }
  .gv-sol-art { margin: 0 12px 12px; }
  .gv-logos { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .gv-like { grid-template-columns: 1fr; }
  .gv-like :is(a, .is-unavailable) { min-height: 0; padding-right: 176px; }
  .gv-like img { width: 150px; }
  .gv-like-go { margin-top: 0; }
}
@media (max-width: 860px) {
  .gv-hero-in { grid-template-columns: 1fr; gap: 8px; min-height: 0; padding-top: 20px; padding-bottom: 28px; }
  .gv-hero-art { width: 300px; max-width: 78%; margin: 0 auto; }
  .gv-banner-head { flex-direction: column; align-items: flex-start; gap: 20px; }
  .gv-faq { grid-template-columns: 1fr; }
  .gv-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gv-steps li:nth-child(2n)::before { content: none; }
  .gv-steps:is(.is-5, .is-6) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gv-steps:is(.is-5, .is-6) li::before { content: none; }
  .gv-steps:is(.is-5, .is-6) li:nth-child(odd):not(:last-child)::before { content: ""; }
  .gv-caps.is-3, .gv-docs.is-3 { grid-template-columns: 1fr; }
  .gv-table thead { display: none; }
  .gv-table, .gv-table tbody, .gv-table tr, .gv-table th, .gv-table td { display: block; }
  .gv-table tbody tr { padding: 18px 20px; }
  .gv-table tbody tr:first-child { border-top: 0; }
  .gv-table tbody th { padding: 0; white-space: normal; }
  .gv-table td { padding: 8px 0 0; }
  .gv-table td.gv-td-act { display: none; }
}
@media (max-width: 640px) {
  .page-pd .gv-block { margin-top: 56px; }
  .gv-name { margin-top: 12px; font-size: 32px; }
  .gv-headline { margin-top: 4px; font-size: 22px; line-height: 1.45; }
  .gv-desc { margin-top: 10px; font-size: 14px; }
  .gv-hero-in { position: relative; padding-bottom: 132px; }
  .gv-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 20px; }
  .gv-actions .btn { width: 100%; min-width: 0; padding: 0 16px; gap: 8px; font-size: 15px; }
  .gv-textlink { position: absolute; left: 24px; bottom: 56px; margin: 0; font-size: 15px; }
  .gv-textlink::after { content: " →"; }
  .gv-hero-art { position: absolute; right: 16px; bottom: 6px; width: 168px; max-width: none; margin: 0; }
  .gv-caps, .gv-docs, .gv-banner-cards { grid-template-columns: 1fr; gap: 12px; }
  .gv-caps > li { display: grid; grid-template-columns: 48px minmax(0, 1fr); column-gap: 14px; padding: 20px 18px; }
  .gv-cap-ico { width: 48px; height: 48px; border-radius: 15px; grid-row: span 2; }
  .gv-cap-ico .ic { width: 24px; height: 24px; }
  .gv-caps h3 { margin-top: 0; font-size: 17px; align-self: center; }
  .gv-caps > li > ul { grid-column: 2; margin-top: 6px; }
  .gv-tabs { width: auto; max-width: none; margin: 0 -24px; padding: 8px 24px; border-radius: 0; border-left: 0; border-right: 0; scroll-padding-inline: 24px; }
  .gv-tabs .pill-tab { height: 40px; padding: 0 18px; font-size: 14px; border-radius: 12px; }
  .gv-sol { margin-top: 16px; }
  .gv-sol-main { padding: 22px 18px; }
  .gv-sol-btn { margin-top: 22px; }
  .gv-sol-art { gap: 14px; margin: 0 8px 8px; padding: 18px 14px; }
  .gv-dia-row { flex-direction: column; }
  .gv-node, .gv-node.is-core { flex: none; width: 100%; max-width: none; flex-direction: row; flex-wrap: wrap; justify-content: flex-start; gap: 0 10px; padding: 14px 16px; text-align: left; }
  .gv-node .ic { width: 28px; height: 28px; margin: 0; }
  .gv-node span { width: 100%; padding-left: 38px; }
  .gv-arrow { flex: 0 0 18px; width: 2px; height: 18px; margin: 4px 0; background: repeating-linear-gradient(180deg, #8FA8FF 0 4px, transparent 4px 8px); }
  .gv-arrow::after { right: -4px; top: auto; bottom: -3px; border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 7px solid #6E8DFF; border-bottom: 0; }
  .gv-dia-steps { grid-template-columns: 1fr; gap: 8px; }
  .gv-dia-steps li { padding: 10px 14px; }
  .gv-news { padding: 20px 18px 18px; }
  .gv-tender { grid-template-columns: 1fr; padding: 12px; }
  .gv-tender .gv-news { padding: 16px 14px 12px; }
  .gv-tender .gv-news-item { grid-template-columns: auto minmax(0, 1fr); gap: 6px 10px; padding: 12px 0; }
  .gv-tender .gv-news-item { grid-template-columns: auto auto minmax(0, 1fr); }
  .gv-tender .gv-news-cat { grid-row: 1; grid-column: 2; }
  .gv-tender .gv-news-date { grid-row: 1; grid-column: 3; }
  .gv-mp { flex-direction: row; justify-content: flex-start; gap: 14px; padding: 14px; text-align: left; }
  .gv-mp img { width: 88px; height: 88px; }
  .gv-news-head { flex-wrap: wrap; }
  .gv-news-head h4 { font-size: 17px; }
  .gv-news-filter { order: 3; width: 100%; }
  .gv-news-item { grid-template-columns: auto auto minmax(0, 1fr); gap: 6px 12px; margin: 0; padding: 14px 0; border-radius: 0; }
  .gv-news-item:hover { background: none; }
  .gv-news-title { grid-column: 1 / -1; grid-row: 2; white-space: normal; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .gv-news-tag { grid-row: 1; grid-column: 1; }
  .gv-news-meta { grid-row: 1; grid-column: 2; font-size: 12px; }
  .gv-news-list li:nth-child(n+5) { display: none; }
  .gv-news-meta.is-deadline { grid-row: 3; grid-column: 1 / 3; }
  .gv-news-date { grid-row: 3; grid-column: 3; font-size: 12px; }
  .gv-banner { margin-top: 16px; padding: 24px 16px 20px; }
  .gv-banner-head :is(h2, h3) { font-size: 20px; }
  .gv-banner-head .btn { width: 100%; }
  .gv-banner-cards { margin-top: 20px; }
  .gv-banner-chain { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; }
  .gv-banner-chain li:not(:last-child)::after { content: none; }
  .gv-notice { flex-direction: column; align-items: stretch; gap: 14px; padding: 18px; }
  .gv-notice strong { align-items: flex-start; font-size: 16px; }
  .gv-notice strong .ic { margin-top: 2px; }
  .gv-logos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .gv-logos li { height: 68px; padding: 0 12px; }
  .gv-logos img { max-height: 38px; }
  .gv-steps, .gv-steps:is(.is-5, .is-6) { grid-template-columns: 1fr; gap: 0; padding: 22px 18px; }
  .gv-steps:is(.is-5, .is-6) li:not(:last-child)::before { content: ""; }
  .gv-scene { padding: 14px 16px; gap: 10px; }
  .gv-scene li { padding: 0 12px; font-size: 13px; line-height: 30px; }
  .gv-subtitle { font-size: 18px; }
  .gv-steps li { display: grid; grid-template-columns: 36px minmax(0, 1fr); column-gap: 14px; padding-bottom: 20px; }
  .gv-steps li:last-child { padding-bottom: 0; }
  .gv-step-no { width: 36px; height: 36px; font-size: 13px; grid-row: span 2; }
  .gv-steps li:not(:last-child)::before, .gv-steps li:nth-child(4)::before { content: ""; left: 17px; right: auto; top: 36px; bottom: 0; border-top: 0; border-left: 2px dashed #D3DCFA; }
  .gv-steps h3 { margin-top: 6px; }
  .gv-steps p { grid-column: 2; }
  .gv-docs > li { padding: 20px 18px; }
  .gv-docs h3 { font-size: 17px; }
  .gv-like :is(a, .is-unavailable) { padding: 20px 118px 18px 18px; }
  .gv-like img { width: 112px; right: 0; bottom: 10px; }
}

/* 关于我们（沿用产品详情页体系） */
.gv-caps > li > p { margin-top: 10px; font-size: 14px; line-height: 1.85; color: var(--text); }
.ab-points-ico, .ab-prods-ico { flex: none; display: grid; place-items: center; width: 40px; height: 40px; color: #fff; background: linear-gradient(135deg, #6C95FF 0%, #3860F4 60%, #6B5CF6 100%); border-radius: 12px; box-shadow: 0 8px 18px rgba(56, 96, 244, .22); }
.ab-points-ico .ic, .ab-prods-ico .ic { width: 20px; height: 20px; }

.ab-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.ab-intro-copy p { font-size: 16px; line-height: 1.95; color: var(--text); text-wrap: pretty; }
.ab-intro-copy p + p { margin-top: 16px; }
.ab-points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.ab-points li, .ab-contact li { display: flex; gap: 14px; align-items: flex-start; padding: 20px; background: linear-gradient(180deg, #F6F8FD 0%, #fff 100%); border: 1px solid var(--line); border-radius: 14px; }
.ab-points h3, .ab-contact h3 { font-size: 16px; line-height: 1.5; font-weight: 600; color: var(--title); }
.ab-points p, .ab-contact p { margin-top: 4px; font-size: 13px; line-height: 1.7; color: var(--text); }
.ab-stats { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-top: 40px; background: linear-gradient(100deg, #F3F6FF 0%, #F8F9FF 60%, #F4F1FF 100%); border-radius: var(--radius); }
.ab-stats li { position: relative; padding: 30px 28px 28px; }
.ab-stats li + li::before { content: ""; position: absolute; left: 0; top: 30px; bottom: 30px; border-left: 1px solid #DCE3FA; }
.ab-stats b { display: block; font-family: "DIN Alternate", "Bahnschrift", "SF Pro Display", Arial, sans-serif; font-size: 44px; line-height: 1; font-weight: 600; color: var(--primary); }
.ab-stats b em { margin-left: 2px; font-style: normal; font-size: .6em; }
.ab-stats strong { display: block; margin-top: 12px; font-size: 16px; font-weight: 500; color: var(--title); }
.ab-stats span { display: block; margin-top: 4px; font-size: 13px; line-height: 1.6; color: var(--text); }

.ab-prods { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.ab-prods :is(a, .is-unavailable) { display: flex; flex-direction: column; height: 100%; padding: 26px 24px 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: transform .25s var(--ease), box-shadow .25s, border-color .2s; }
.ab-prods a:hover { transform: translateY(-4px); border-color: #C9D6FF; box-shadow: 0 16px 36px rgba(56, 96, 244, .12); }
.ab-prods h3 { margin-top: 20px; font-size: 18px; line-height: 1.4; font-weight: 600; color: var(--title); }
.ab-prods p { margin-top: 8px; font-size: 14px; line-height: 1.75; color: var(--text); }
.ab-go { display: inline-flex; align-items: center; gap: 4px; margin-top: auto; padding-top: 18px; font-size: 14px; font-weight: 500; color: var(--primary); }
.ab-go .ph { transition: transform .2s var(--ease); }
.ab-prods a:hover .ab-go .ph { transform: translateX(3px); }

.page-pd .mile { max-width: none; }
.page-pd .mile-panel { padding-left: 56px; padding-right: 56px; }
.page-pd .mile-body { max-width: none; margin-left: 380px; }
.page-pd #honors .pill-tabs-sm { margin: 0 0 24px; }

.ab-visit { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 12px; }
.ab-contact { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.ab-contact li { background: #fff; border-color: #fff; }
.ab-contact li.is-wide { grid-column: 1 / -1; }
.ab-contact .ab-contact-v { margin-top: 6px; font-size: 18px; line-height: 1.5; font-weight: 500; color: var(--title); }
.ab-contact .ab-contact-v a:hover { color: var(--primary); }
.ab-qr { border-radius: var(--radius); }

@media (max-width: 1280px) {
  .ab-prods { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .ab-prods li { grid-column: span 2; }
  .ab-prods li:nth-child(n+4) { grid-column: span 3; }
  .ab-stats li { padding: 26px 20px 24px; }
  .ab-stats b { font-size: 38px; }
}
@media (max-width: 1100px) {
  .ab-intro { grid-template-columns: 1fr; gap: 28px; }
  .page-pd .mile-body { margin-left: 300px; }
}
@media (max-width: 900px) {
  .page-pd .mile-panel { padding: 28px 24px 32px; }
  .page-pd .mile-body { margin-left: 0; }
  .page-pd .mile-mark { top: 16px; transform: none; font-size: 64px; }
}
@media (max-width: 860px) {
  .ab-stats { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .ab-stats li { grid-column: span 2; }
  .ab-stats li:nth-child(n+4) { grid-column: span 3; border-top: 1px solid #DCE3FA; }
  .ab-stats li:nth-child(4)::before { content: none; }
  .ab-visit { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ab-intro-copy p { font-size: 15px; line-height: 1.85; }
  .ab-points, .ab-contact { grid-template-columns: 1fr; gap: 10px; }
  .ab-points li, .ab-contact li { padding: 16px; }
  .ab-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 28px; }
  .ab-stats li, .ab-stats li:nth-child(n+4) { grid-column: auto; padding: 18px 16px; }
  .ab-stats li:first-child { grid-column: 1 / -1; }
  .ab-stats li::before, .ab-stats li + li::before { content: none; }
  .ab-stats li + li { border-top: 1px solid #DCE3FA; }
  .ab-stats li:nth-child(odd):not(:first-child) { border-left: 1px solid #DCE3FA; }
  .ab-stats b { font-size: 32px; }
  .ab-stats strong { margin-top: 8px; font-size: 15px; }
  .ab-prods { grid-template-columns: 1fr; gap: 10px; }
  .ab-prods li, .ab-prods li:nth-child(n+4) { grid-column: auto; }
  .ab-prods :is(a, .is-unavailable) { display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 14px; padding: 18px 16px; }
  .ab-prods-ico { grid-row: span 3; }
  .ab-prods h3 { margin-top: 0; font-size: 16px; }
  .ab-prods p { margin-top: 4px; font-size: 13px; }
  .ab-go { padding-top: 8px; font-size: 13px; }
  .gv-caps > li > p { grid-column: 2; margin-top: 6px; font-size: 13px; }
  .ab-contact .ab-contact-v { font-size: 16px; }
}

.ip-board { display: grid; gap: 28px; }
.ip-sum-row { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 28px 56px; }
.cert-heading { margin-bottom: 12px; font-size: 18px; font-weight: 500; }
.cert-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.cert-grid.is-fold:not(.is-open) > li:nth-child(n+5) { display: none; }
.cert-grid.is-patent { grid-template-columns: repeat(3, minmax(0, 1fr)); }
button.cert-card { display: flex; gap: 14px; align-items: center; width: 100%; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 14px; transition: border-color .2s, box-shadow .2s, transform .2s; }
button.cert-card:hover { border-color: #C9D6FF; box-shadow: 0 10px 24px rgba(56,96,244,.1); transform: translateY(-2px); }
button.cert-card img { flex: none; width: 68px; height: 92px; object-fit: cover; object-position: top; border-radius: 4px; border: 1px solid var(--line); background: var(--gray); }
button.cert-card strong { display: block; font-size: 15px; font-weight: 500; line-height: 1.45; }
button.cert-card em { display: block; margin-top: 4px; font-style: normal; font-size: 13px; color: var(--text); }
.cert-grid.is-patent button.cert-card { flex-direction: column; align-items: stretch; }
.cert-grid.is-patent button.cert-card img { width: 100%; height: 220px; object-fit: contain; }
.cert-view { width: min(920px, calc(100vw - 28px)); max-height: none; margin: auto; padding: 0; border: 0; background: transparent; overflow: visible; color: inherit; }
.cert-view::backdrop { background: rgba(16, 22, 40, .74); }
.cert-view-frame { position: relative; background: #fff; border-radius: 12px; overflow: hidden; }
.cert-view-stage { max-height: calc(100vh - 180px); overflow: auto; }
.cert-view-stage img { display: block; width: 100%; height: auto; -webkit-user-drag: none; }
.cert-view-mark { position: absolute; inset: 0; z-index: 1; pointer-events: none; background-repeat: repeat; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='340' height='180'%3E%3Ctext x='12' y='108' fill='%2342%2C49%2C95' fill-opacity='0.34' font-size='22' font-family='PingFang SC, Microsoft YaHei, sans-serif' transform='rotate(-24 170 90)'%3Eoeob.com%20%E8%AF%B7%E5%8B%BF%E8%BD%AC%E8%BD%BD%3C/text%3E%3C/svg%3E"); }
.cert-view-close { position: absolute; top: 12px; right: 12px; z-index: 2; width: 36px; height: 36px; display: grid; place-items: center; border: 0; border-radius: 50%; background: rgba(255,255,255,.94); color: #1D273F; box-shadow: 0 4px 16px rgba(16,22,40,.18); cursor: pointer; font-size: 18px; }
.cert-view-pager { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 12px; }
.cert-view-pager[hidden] { display: none; }
.cert-view-prev, .cert-view-next { width: 32px; height: 32px; display: grid; place-items: center; border: 0; border-radius: 50%; background: #fff; color: #1D273F; cursor: pointer; font-size: 16px; }
.cert-view-count { min-width: 52px; text-align: center; font-size: 13px; color: #fff; }
.cert-view-note { display: flex; align-items: flex-start; gap: 10px; max-width: 720px; margin: 12px auto 0; padding: 10px 14px; border-radius: 8px; background: #fff; color: #1D273F; font-size: 14px; line-height: 1.6; text-align: left; }
.cert-view-note[hidden] { display: none; }
.cert-view-note > span:first-child { flex: none; margin-top: 1px; padding: 0 8px; line-height: 22px; font-size: 12px; color: var(--primary); background: var(--tag); border-radius: 5px; }
.cert-view-cap { margin-top: 12px; text-align: center; font-size: 14px; line-height: 1.6; color: #fff; }
.auth-empty { display: grid; place-items: center; min-height: 240px; margin: 0; padding: 48px 24px; background: var(--gray); border: 1px dashed #D5DDEA; border-radius: var(--radius); color: var(--text); font-size: 15px; }