/* 五页官网共用的浅色视觉体系。基础重置与导航行为保留在原有文件中。 */
:root {
  --saas-ink: #17263c;
  --saas-muted: #53627a;
  --saas-accent: #2563eb;
  --saas-accent-strong: #1d4ed8;
  --saas-ice: #f3f7ff;
  --saas-line: #dce4ef;
  --saas-secondary: #087f76;
  --saas-container: 1240px;
  --saas-shadow: 0 20px 60px -28px rgba(31, 65, 122, .22);
  --color-text: var(--saas-ink);
  --color-muted: var(--saas-muted);
  --color-accent: var(--saas-accent);
  --color-accent-strong: var(--saas-accent-strong);
  --color-ink-deep: var(--saas-ice);
}

body.saas-page {
  display: flex;
  min-width: 0;
  min-height: 100vh;
  flex-direction: column;
  color: var(--saas-ink);
  background: #fff;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.7;
}
.saas-page main { flex: 1; min-width: 0; }
.saas-page .container { width: min(calc(100% - 96px), var(--saas-container)); }
.saas-page h1, .saas-page h2, .saas-page h3, .saas-page p { margin-top: 0; }
.saas-page h1, .saas-page h2, .saas-page h3 { letter-spacing: -.035em; }
.saas-page h1, .saas-page h2 { font-weight: 700; }
.saas-page ::selection { color: #053f4c; background: #ccecf0; }
.saas-page .section, .saas-page .page-section { padding-block: 72px; }
.saas-page .eyebrow {
  margin-bottom: 16px;
  color: var(--saas-accent);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .12em;
  line-height: 1.5;
}
.saas-page .site-header {
  border-bottom: 1px solid rgba(28, 65, 80, .07);
  background: rgba(255, 255, 255, .94);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.saas-page .site-header.is-scrolled { box-shadow: 0 6px 22px rgba(28, 65, 80, .04); }
.saas-page .header-inner { min-height: 80px; gap: 32px; }
.saas-page .brand { gap: 10px; }
.saas-page .brand-name { font-size: 23px; font-weight: 700; letter-spacing: .035em; }
.saas-page .brand-mark, .saas-page .brand-mark svg { width: 36px; height: 28px; }
.saas-page .primary-nav { gap: 30px; }
.saas-page .primary-nav a { font-size: 14px; letter-spacing: .02em; color: var(--saas-muted); }
.saas-page .primary-nav a[aria-current="page"] { color: var(--saas-accent); font-weight: 650; }
.saas-page .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
.saas-page .primary-nav a::after { height: 2px; bottom: 3px; border-radius: 2px; }
.saas-page .primary-nav .mobile-nav-contact { display: none; }
.saas-page .header-cta {
  min-height: 42px;
  padding: 9px 18px;
  border: 1px solid var(--saas-line);
  border-radius: 10px;
  color: var(--saas-accent);
  background: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
}
.saas-page .header-cta:hover, .saas-page .header-cta:focus-visible { color: #fff; background: var(--saas-accent); }
.saas-page .header-cta svg { width: 17px; height: 17px; }
.saas-page .menu-toggle { width: 44px; height: 44px; border-color: var(--saas-line); background: #fff; }
.saas-page .button {
  min-height: 50px;
  padding: 12px 23px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
}
.saas-page .button-primary { color: #fff; background: var(--saas-accent); box-shadow: 0 6px 16px rgba(8, 123, 137, .16); }
.saas-page .button-primary:hover, .saas-page .button-primary:focus-visible { background: var(--saas-accent-strong); }
.saas-page .button-outline { color: var(--saas-ink); background: #fff; border-color: #cadde2; }
.saas-page .button-outline:hover, .saas-page .button-outline:focus-visible { color: var(--saas-accent); background: var(--saas-ice); }
.text-link, .back-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  color: var(--saas-accent);
  font-size: 14px;
  font-weight: 600;
}
.text-link svg, .back-link svg { width: 18px; height: 18px; transition: transform 180ms ease; }
.text-link:hover svg, .back-link:hover svg { transform: translateX(4px); }

/* 首页：标题与真实产品界面各占半幅，功能入口形成独立横栏。 */
.home-hero {
  position: relative;
  padding: 48px 0 0;
  background: radial-gradient(ellipse at 87% 30%, #edf8fa 0, #fff 64%);
}
.home-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 40px; align-items: center; }
.home-hero-copy { padding-bottom: 20px; }
.home-hero h1 { margin-bottom: 26px; font-size: clamp(38px, 4.5vw, 60px); line-height: 1.26; }
.home-hero h1 span { display: block; color: var(--saas-accent); }
.home-hero-lede { max-width: 490px; margin-bottom: 0; color: var(--saas-muted); font-size: 17px; line-height: 1.95; }
.home-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.home-art { position: relative; min-width: 0; height: 510px; isolation: isolate; }
.home-art::before {
  position: absolute;
  z-index: -1;
  inset: 28px 0 42px;
  border: 1px solid #e1edf0;
  border-radius: 32px;
  background: linear-gradient(145deg, #edf7f8, #f8fbfc 55%, #e1f0f3);
  content: "";
}
.hero-window {
  position: absolute;
  margin: 0;
  padding: 7px;
  overflow: hidden;
  border: 1px solid #d7e2e7;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 22px 38px -13px rgba(21, 56, 73, .25), 0 4px 10px rgba(21, 56, 73, .04);
}
.hero-window img { width: 100%; height: auto; border-radius: 11px; }
.hero-window figcaption { padding: 8px 6px 3px; color: var(--saas-muted); font-size: 12px; text-align: center; }
.hero-window-primary { top: 30px; left: 9%; width: 49%; transform: rotate(-3deg); }
.hero-window-secondary { right: 5%; bottom: 38px; width: 33%; transform: rotate(4deg); }
.asset-note { color: var(--saas-muted); font-size: 12px; line-height: 1.6; }
.home-art .asset-note { position: absolute; bottom: 0; width: 100%; margin: 0; text-align: center; }
.capability-band { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 38px; border-top: 1px solid var(--saas-line); border-bottom: 1px solid var(--saas-line); }
.capability-link { display: flex; min-width: 0; align-items: center; gap: 14px; padding: 26px 20px; transition: background-color 180ms ease; }
.capability-link:first-child { padding-left: 0; }
.capability-link + .capability-link { border-left: 1px solid var(--saas-line); }
.capability-link:hover, .capability-link:focus-visible { background: var(--saas-ice); }
.capability-icon { display: grid; width: 42px; height: 42px; flex: 0 0 42px; place-items: center; border-radius: 12px; color: var(--saas-accent); background: #eaf5f7; }
.capability-icon svg { width: 24px; height: 24px; }
.capability-link strong { display: block; font-size: 15px; line-height: 1.5; }
.capability-link small { display: block; margin-top: 3px; font-size: 12px; color: var(--saas-muted); }
.home-products { padding: 66px 0 76px; }
.home-products-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 28px; }
.home-products-heading h2 { margin: 0; font-size: clamp(26px, 2.8vw, 36px); line-height: 1.4; }
.home-products-heading h2 span { color: var(--saas-accent); }
.home-products-heading p { max-width: 330px; margin: 0; color: var(--saas-muted); font-size: 14px; }
.home-product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.home-product-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 16px;
  padding: 32px;
  border: 1px solid var(--saas-line);
  border-radius: 18px;
  background: linear-gradient(125deg, #f2f8f9, #fff);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}
.home-product-card:last-child { background: linear-gradient(125deg, #f4f5fa, #fff); }
.home-product-card:hover, .home-product-card:focus-visible { transform: translateY(-4px); box-shadow: var(--saas-shadow); border-color: #9ebfc7; }
.home-product-card .eyebrow { margin-bottom: 16px; }
.home-product-card h3 { margin-bottom: 12px; font-size: 26px; }
.home-product-card p:last-child { max-width: 350px; margin-bottom: 0; color: var(--saas-muted); font-size: 14px; }
.product-card-icon { position: absolute; top: 24px; right: 30px; width: 44px; height: 44px; color: #78aab5; }
.home-product-card:last-child .product-card-icon { color: #999fbd; }
.card-arrow { display: grid; width: 38px; height: 38px; place-items: center; border: 1px solid var(--saas-line); border-radius: 50%; background: #fff; color: var(--saas-accent); }
.card-arrow svg { width: 19px; height: 19px; }

/* 内页保持同一标题比例，按完整词组换行。 */
.page-hero { padding: 62px 0 42px; background: #fff; text-align: center; }
.page-hero h1 { max-width: 1040px; margin: 0 auto 20px; font-size: clamp(32px, 3.8vw, 48px); line-height: 1.35; }
.page-hero h1 span { display: inline-block; color: var(--saas-accent); }
.page-hero-lede { max-width: 650px; margin: 0 auto; color: var(--saas-muted); font-size: 16px; line-height: 1.9; }
.page-footer-note { margin: 22px 0 0; color: var(--saas-muted); font-size: 13px; text-align: center; }
.page-footer-note a { color: var(--saas-accent); text-decoration: underline; text-underline-offset: 4px; }

/* 产品界面：图像不叠加假窗口，四个入口共享同一预览区域。 */
.product-gallery-section { padding: 14px 0 72px; }
.product-gallery { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); align-items: center; gap: 64px; }
.gallery-selector, .gallery-detail { min-width: 0; }
.gallery-tabs { display: grid; gap: 8px; }
.gallery-tab {
  display: flex;
  width: 100%;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: #fff;
  color: var(--saas-muted);
  cursor: pointer;
  font-size: 16px;
  text-align: left;
  transition: background-color 180ms ease, border-color 180ms ease;
}
.gallery-tab svg { width: 19px; height: 19px; flex-shrink: 0; }
.gallery-tab:hover { background: #f6f9fa; }
.gallery-tab[aria-selected="true"] { border-color: #d1e7eb; color: var(--saas-accent); background: #edf7f8; font-weight: 650; }
.gallery-detail-copy { margin-top: 32px; padding: 25px 20px 0; border-top: 1px solid var(--saas-line); }
.gallery-detail-copy .eyebrow { margin-bottom: 10px; }
.gallery-detail-copy h2 { margin-bottom: 12px; font-size: 28px; line-height: 1.4; }
.gallery-detail-copy p:last-child { margin-bottom: 0; color: var(--saas-muted); font-size: 15px; line-height: 1.95; }
.gallery-frame {
  position: relative;
  display: flex;
  min-height: 546px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  margin: 0;
  padding: 30px 24px 60px;
  border: 1px solid #e0ecef;
  border-radius: 24px;
  background: linear-gradient(145deg, #eef7f8, #f9fbfc 54%, #e7f1f5);
}
.gallery-screen { width: auto; max-width: 100%; height: 420px; border: 6px solid #fff; border-radius: 16px; object-fit: contain; background: #fff; box-shadow: 0 18px 32px -12px rgba(28, 65, 80, .24); cursor: zoom-in; }
.gallery-screen-caption { margin: 0; color: var(--saas-muted); font-size: 12px; text-align: center; }
.gallery-zoom { position: absolute; bottom: 16px; right: 18px; display: inline-flex; min-height: 36px; align-items: center; gap: 7px; padding: 7px 12px; border: 1px solid #d4e3e8; border-radius: 8px; background: #fff; color: var(--saas-accent); cursor: pointer; font-size: 12px; }
.gallery-zoom:hover { background: var(--saas-ice); }
.gallery-zoom svg { width: 16px; height: 16px; }
.gallery-dialog { width: min(760px, calc(100% - 32px)); max-width: none; max-height: 90vh; padding: 0 24px 24px; border: 1px solid var(--saas-line); border-radius: 18px; color: var(--saas-ink); background: #fff; box-shadow: 0 30px 100px rgba(16, 44, 67, .25); }
.gallery-dialog::backdrop { background: rgba(16, 39, 53, .7); -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px); }
.gallery-dialog-head { position: sticky; top: 0; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 0; background: #fff; }
.gallery-dialog-head h2 { margin: 0; font-size: 18px; }
.gallery-dialog-close { display: grid; width: 44px; height: 44px; flex-shrink: 0; place-items: center; border: 1px solid var(--saas-line); border-radius: 10px; background: #fff; color: var(--saas-accent); cursor: pointer; }
.gallery-dialog-close svg { width: 20px; height: 20px; }
.gallery-dialog img { width: 100%; height: auto; border-radius: 10px; }
.products-page .page-section { border-top: 1px solid #e8eff2; background: #fbfcfd; }
.products-page .page-section h2 { margin-bottom: 0; font-size: 30px; }
.solution-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; margin-top: 32px; }
.solution-card { padding-left: 24px; border-left: 2px solid #aecfd6; }
.solution-card h3 { margin-bottom: 12px; font-size: 22px; }
.solution-card p { max-width: 480px; margin-bottom: 0; color: var(--saas-muted); font-size: 15px; }
.gallery-bottom-cta { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 38px; padding-top: 24px; border-top: 1px solid var(--saas-line); }
.gallery-bottom-cta p { margin-bottom: 0; color: var(--saas-muted); font-size: 14px; }

/* 报表真实截图入口，避免大面积空白占据一整屏。 */
.saas-page .report-entry { padding: 60px 0; }
.report-entry-grid { display: grid; grid-template-columns: 150px minmax(0, 1fr); align-items: center; gap: 40px; }
.report-entry-image { display: block; padding: 6px; border: 1px solid var(--saas-line); border-radius: 14px; background: #fff; box-shadow: var(--saas-shadow); }
.report-entry-image img { width: 100%; height: 210px; object-fit: contain; background: #f5f9fb; border-radius: 8px; }
.report-entry-copy h2 { margin-bottom: 12px; font-size: 28px; }
.report-entry-copy p:not(.eyebrow) { max-width: 730px; margin-bottom: 14px; color: var(--saas-muted); font-size: 15px; }
.report-entry-copy .eyebrow { margin-bottom: 12px; }

/* 下载：产品卡与标题衔接，下载链接按设备清晰分行。 */
.downloads-page .page-hero { padding-bottom: 100px; background: linear-gradient(180deg, #f6fafb, #eef7f9); }
.download-content { position: relative; margin-top: -44px; padding-bottom: 64px; }
.download-product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.download-product { --product-accent: var(--saas-accent); position: relative; min-width: 0; padding: 34px; border: 1px solid #dbe8ec; border-radius: 20px; background: #fff; box-shadow: var(--saas-shadow); }
.download-product:nth-child(2) { --product-accent: #5a668f; }
.download-product-icon { position: absolute; top: 30px; right: 30px; display: grid; width: 60px; height: 60px; place-items: center; border: 1px solid #dfedf0; border-radius: 16px; background: #f0f8f9; color: var(--product-accent); }
.download-product:nth-child(2) .download-product-icon { background: #f3f4fa; border-color: #e8eaf3; }
.download-product-icon svg { width: 34px; height: 34px; }
.download-product h2 { max-width: calc(100% - 82px); margin: 0 0 12px; font-size: 26px; }
.download-product > p { max-width: calc(100% - 82px); min-height: 48px; margin: 0; color: var(--saas-muted); font-size: 14px; }
.download-links { display: grid; gap: 0; margin-top: 25px; border-top: 1px solid var(--saas-line); }
.download-links a { display: flex; min-height: 67px; align-items: center; gap: 14px; padding: 12px 4px; border-bottom: 1px solid #e6eef1; color: var(--saas-ink); font-size: 15px; font-weight: 600; text-decoration: none; transition: color 180ms ease, background-color 180ms ease; }
.download-links a:hover, .download-links a:focus-visible { color: var(--product-accent); background: #f5fafb; }
.download-links svg { width: 23px; height: 23px; flex-shrink: 0; color: var(--product-accent); }
.download-links .download-arrow { width: 17px; height: 17px; margin-left: auto; }
.download-links small { color: var(--saas-muted); font-size: 12px; font-weight: 400; }
.download-note-link { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; margin-top: 13px; color: var(--product-accent); font-size: 13px; }
.download-note-link svg { width: 16px; height: 16px; }
.video-callout { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 28px; padding: 22px 28px; border: 1px solid var(--saas-line); border-radius: 14px; background: #f7fafb; color: var(--saas-muted); font-size: 14px; }
.video-callout a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--saas-accent); font-weight: 600; }
.video-callout svg { width: 18px; height: 18px; }

/* 联系：减少重复的大标题，电话、邮箱与线下信息统一为清晰名片。 */
.contact-content { padding: 14px 0 72px; }
.contact-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 52px; align-items: center; padding: 42px; border: 1px solid #e1ecef; border-radius: 24px; background: linear-gradient(125deg, #f0f8f9, #f9fbfc); }
.contact-copy h2 { margin-bottom: 24px; font-size: 36px; line-height: 1.4; }
.contact-copy h2 span { color: var(--saas-accent); }
.contact-copy p { max-width: 410px; margin-bottom: 0; color: var(--saas-muted); font-size: 15px; line-height: 2; }
.contact-copy .contact-signoff { display: block; margin-top: 28px; padding-left: 14px; border-left: 2px solid #91bac4; color: var(--saas-accent); font-size: 13px; letter-spacing: .04em; }
.contact-details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.contact-detail { display: flex; min-width: 0; min-height: 154px; flex-direction: column; align-items: flex-start; gap: 17px; padding: 22px; border: 1px solid #e2ebee; border-radius: 14px; background: #fff; transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease; }
.contact-detail > svg { width: 25px; height: 25px; color: var(--saas-accent); }
.contact-detail strong { display: block; margin-bottom: 7px; color: var(--saas-ink); font-size: 16px; font-weight: 650; font-variant-numeric: tabular-nums; }
.contact-detail > span { min-width: 0; }
.contact-detail span span { color: var(--saas-muted); font-size: 13px; line-height: 1.8; overflow-wrap: anywhere; }
a.contact-detail:hover, a.contact-detail:focus-visible { transform: translateY(-3px); border-color: #a4c7cf; box-shadow: 0 9px 24px rgba(28, 65, 80, .07); }
.saas-page .site-footer { border-top: 1px solid #e5edf0; background: #fcfdfe; }
.saas-page .footer-inner { min-height: 92px; padding-block: 20px; gap: 16px 28px; color: #637883; font-size: 12px; }
.saas-page .footer-inner > p:first-child { color: var(--saas-ink); font-weight: 600; font-size: 13px; }

/* 平板保留阅读宽度，导航断点与 script.js 保持一致。 */
@media (max-width: 1080px) {
  .saas-page .container { width: calc(100% - 64px); }
  .saas-page .header-inner { gap: 24px; }
  .saas-page .primary-nav { gap: 22px; }
  .home-hero-grid { gap: 24px; }
  .home-hero h1 { font-size: 42px; }
  .home-art { height: 465px; }
  .home-art::before { inset-block: 15px 36px; }
  .hero-window-primary { left: 4%; width: 56%; }
  .hero-window-secondary { right: 1%; width: 38%; }
  .capability-link { padding-inline: 15px; gap: 10px; }
  .capability-link small { font-size: 11px; }
  .product-gallery { gap: 40px; }
  .contact-layout { padding: 32px; gap: 32px; }
  .contact-details { gap: 12px; }
  .contact-detail { padding: 18px; }
  .download-product { padding: 26px; }
  .download-product-icon { top: 24px; right: 24px; }
  .download-product h2 { font-size: 23px; }
}
@media (max-width: 820px) {
  .saas-page .container { width: calc(100% - 48px); }
  .saas-page .header-inner { min-height: 72px; }
  .saas-page .brand-name { font-size: 22px; }
  .saas-page .header-cta { display: none; }
  .saas-page .primary-nav { right: 24px; left: 24px; gap: 0; padding: 10px 16px; border: 1px solid var(--saas-line); border-radius: 0 0 16px 16px; background: #fff; box-shadow: 0 20px 35px rgba(28, 65, 80, .12); }
  .saas-page .primary-nav a { min-height: 48px; padding: 12px 8px; font-size: 15px; }
  .saas-page .primary-nav a[aria-current="page"] { background: var(--saas-ice); border-radius: 8px; }
  .saas-page .primary-nav .mobile-nav-contact { display: block; }
  .home-hero { padding-top: 40px; }
  .home-hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .home-hero-copy { padding: 0; text-align: center; }
  .home-hero h1 { font-size: 46px; }
  .home-hero-lede { margin-inline: auto; }
  .home-actions { justify-content: center; }
  .home-art { width: min(100%, 550px); height: 475px; margin-inline: auto; }
  .hero-window-primary { left: 9%; width: 48%; }
  .hero-window-secondary { right: 5%; width: 33%; }
  .capability-band { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 30px; }
  .capability-link, .capability-link:first-child { padding: 20px; }
  .capability-link:nth-child(3) { border-left: 0; }
  .capability-link:nth-child(n+3) { border-top: 1px solid var(--saas-line); }
  .capability-link small { font-size: 12px; }
  .home-products-heading { align-items: start; flex-direction: column; gap: 15px; }
  .home-products-heading p { max-width: 540px; }
  .home-product-card { padding: 26px; }
  .page-hero { padding: 44px 0 32px; }
  .page-hero h1 { font-size: 38px; }
  .product-gallery { grid-template-columns: 1fr; gap: 28px; }
  .gallery-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-tab { border-color: var(--saas-line); }
  .gallery-detail-copy { margin-top: 24px; padding: 20px 0 0; }
  .gallery-frame { min-height: 0; padding: 30px 24px 60px; }
  .gallery-screen { height: 440px; max-height: 64vh; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-copy p { max-width: 650px; }
  .contact-copy h2 { font-size: 30px; }
  .download-product-grid { gap: 18px; }
  .download-product { padding: 24px; }
  .download-product-icon { position: static; margin-bottom: 20px; }
  .download-product h2, .download-product > p { max-width: none; }
}
@media (max-width: 600px) {
  .saas-page .container { width: calc(100% - 40px); }
  .saas-page .header-inner { min-height: 68px; }
  .saas-page .brand-name { font-size: 21px; }
  .saas-page .brand-mark, .saas-page .brand-mark svg { width: 32px; height: 25px; }
  .saas-page .primary-nav { right: 20px; left: 20px; }
  .saas-page .section, .saas-page .page-section { padding-block: 48px; }
  .home-hero { padding-top: 36px; }
  .home-hero-copy { text-align: left; }
  .home-hero h1 { margin-bottom: 20px; font-size: clamp(31px, 9.7vw, 42px); line-height: 1.3; }
  .home-hero-lede { font-size: 15px; line-height: 1.9; }
  .home-actions { justify-content: flex-start; margin-top: 24px; gap: 10px; }
  .saas-page .button { min-height: 48px; padding: 11px 16px; font-size: 14px; }
  .home-art { height: clamp(335px, 96vw, 500px); }
  .home-art::before { inset: 14px 0 33px; border-radius: 23px; }
  .hero-window { padding: 5px; border-radius: 13px; }
  .hero-window img { border-radius: 8px; }
  .hero-window-primary { top: 18px; left: 6%; width: 55%; }
  .hero-window-secondary { right: 3%; bottom: 38px; width: 36%; }
  .hero-window figcaption { padding: 6px 2px 2px; font-size: 11px; }
  .home-art .asset-note { font-size: 11px; }
  .capability-band { margin-top: 24px; }
  .capability-link, .capability-link:first-child { gap: 9px; padding: 17px 10px; }
  .capability-icon { width: 30px; height: 36px; flex-basis: 30px; background: transparent; }
  .capability-icon svg { width: 23px; height: 23px; }
  .capability-link strong { font-size: 14px; }
  .capability-link small { font-size: 11px; line-height: 1.55; }
  .home-products { padding: 44px 0 50px; }
  .home-products-heading { gap: 12px; }
  .home-products-heading h2 { font-size: 28px; }
  .home-products-heading h2 span { display: block; }
  .home-product-grid, .download-product-grid, .solution-cards { grid-template-columns: 1fr; gap: 18px; }
  .home-product-card { padding: 25px; }
  .home-product-card h3 { font-size: 24px; }
  .home-product-card .eyebrow { margin-bottom: 14px; }
  .product-card-icon { top: 22px; right: 25px; width: 34px; height: 34px; }
  .page-hero { padding: 36px 0 26px; text-align: left; }
  .page-hero h1 { margin-bottom: 16px; font-size: clamp(29px, 8.5vw, 37px); }
  .page-hero h1 span { display: block; }
  .page-hero-lede { font-size: 15px; line-height: 1.85; }
  .saas-page .eyebrow { margin-bottom: 12px; font-size: 12px; }
  .product-gallery-section { padding: 8px 0 48px; }
  .gallery-tab { min-height: 56px; padding: 12px; gap: 8px; font-size: 14px; }
  .gallery-tab svg { width: 16px; height: 16px; }
  .gallery-detail-copy h2 { font-size: 25px; }
  .gallery-frame { padding: 24px 16px 60px; border-radius: 18px; gap: 20px; }
  .gallery-screen { height: 400px; max-height: 60vh; border-width: 5px; }
  .gallery-screen-caption { max-width: 260px; font-size: 11px; }
  .gallery-zoom { min-height: 40px; right: 14px; bottom: 12px; }
  .gallery-dialog { padding-inline: 14px; }
  .gallery-dialog-head h2 { font-size: 16px; }
  .products-page .page-section h2 { font-size: 27px; }
  .solution-cards { gap: 26px; margin-top: 26px; }
  .solution-card { padding-left: 17px; }
  .gallery-bottom-cta { align-items: flex-start; flex-direction: column; gap: 10px; }
  .saas-page .report-entry { padding-block: 40px; }
  .report-entry-grid { grid-template-columns: 90px minmax(0, 1fr); align-items: start; gap: 20px; }
  .report-entry-image { padding: 4px; border-radius: 10px; }
  .report-entry-image img { height: 165px; }
  .report-entry-copy h2 { font-size: 22px; line-height: 1.5; }
  .report-entry-copy p:not(.eyebrow) { font-size: 13px; }
  .downloads-page .page-hero { padding-bottom: 72px; }
  .download-content { margin-top: -32px; padding-bottom: 48px; }
  .download-product { padding: 24px; border-radius: 17px; }
  .download-product-icon { position: absolute; top: 22px; right: 22px; width: 52px; height: 52px; }
  .download-product-icon svg { width: 29px; height: 29px; }
  .download-product h2, .download-product > p { max-width: calc(100% - 68px); }
  .download-product h2 { font-size: 22px; }
  .download-product > p { font-size: 13px; min-height: 44px; }
  .download-links { margin-top: 20px; }
  .download-links a { min-height: 62px; font-size: 14px; gap: 10px; }
  .video-callout { align-items: flex-start; flex-direction: column; gap: 8px; padding: 18px 22px; }
  .contact-content { padding: 8px 0 48px; }
  .contact-layout { padding: 24px; border-radius: 20px; gap: 28px; }
  .contact-copy h2 { font-size: 28px; margin-bottom: 18px; }
  .contact-copy p { font-size: 14px; }
  .contact-copy .contact-signoff { margin-top: 20px; }
  .contact-details { grid-template-columns: 1fr; gap: 12px; }
  .contact-detail { min-height: 0; flex-direction: row; gap: 15px; padding: 18px; }
  .contact-detail > svg { flex-shrink: 0; width: 22px; height: 22px; margin-top: 3px; }
  .contact-detail strong { font-size: 15px; }
  .saas-page .footer-inner { flex-direction: column; align-items: flex-start; min-height: 0; padding-block: 26px; gap: 8px; font-size: 11px; }
}
@media (max-width: 360px) {
  .saas-page .container { width: calc(100% - 32px); }
  .home-art { height: 335px; }
  .capability-link, .capability-link:first-child { padding-inline: 6px; gap: 6px; }
  .capability-link small { font-size: 10.5px; }
  .download-product { padding: 20px; }
  .download-product h2 { font-size: 20px; }
  .download-links small { font-size: 11px; }
  .contact-layout { padding: 18px; }
  .report-entry-grid { grid-template-columns: 1fr; }
  .report-entry-image { width: 100px; }
}
@media (prefers-reduced-motion: reduce) {
  .saas-page *, .saas-page *::before, .saas-page *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* SaaS 视觉升级：蓝色主色、浅色分层、紧凑报表、真实产品展示。 */
html { scroll-padding-top: 96px; }
.saas-page .container { width: min(calc(100% - 80px), var(--saas-container)); }
.saas-page h1, .saas-page h2, .saas-page h3 { text-wrap: balance; }
.saas-page ::selection { color: #173875; background: #dbe8ff; }
.saas-page :is(a, button, [tabindex]) { scroll-margin-block: 96px 24px; }
.saas-page :focus-visible { outline: 3px solid var(--saas-accent); outline-offset: 4px; }
.saas-page [hidden] { display: none !important; }
.saas-page .eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .08em; }
.saas-page .site-header { background: rgba(255, 255, 255, .96); border-color: var(--saas-line); }
.saas-page .header-inner { min-height: 76px; }
.saas-page .brand { min-height: 44px; }
.saas-page .brand-name { letter-spacing: .01em; }
.saas-page .primary-nav a { min-height: 44px; letter-spacing: 0; }
.saas-page .header-cta { min-height: 44px; border-color: #c5d3e8; color: var(--saas-ink); border-radius: 9px; }
.saas-page .header-cta:hover, .saas-page .header-cta:focus-visible { color: var(--saas-accent); border-color: var(--saas-accent); background: var(--saas-ice); }
.saas-page .button { border-radius: 9px; letter-spacing: 0; }
.saas-page .button-primary { box-shadow: 0 7px 18px -7px rgba(37, 99, 235, .4); }
.saas-page .button-outline { border-color: #c5d3e8; }
.saas-page .button-outline:hover { border-color: #94b5f8; }

/* 首页在桌面并列价值说明与数据演示；手机按阅读顺序排列。 */
.home-hero { padding: 68px 0 60px; background: radial-gradient(ellipse at 85% 36%, #eaf1ff, transparent 62%), linear-gradient(180deg, #fbfcff, #fff); }
.home-hero-grid { grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); gap: 56px; }
.home-hero-copy { min-width: 0; padding-bottom: 16px; }
.home-hero h1 { margin-bottom: 25px; font-size: clamp(40px, 4.25vw, 60px); line-height: 1.3; letter-spacing: -.055em; }
.home-hero-lede { line-height: 1.9; text-wrap: pretty; }
.home-hero-copy .device-note { margin: 23px 0 0; color: var(--saas-muted); font-size: 13px; }
.hero-dashboard { min-width: 0; padding: 10px 10px 0; border: 1px solid rgba(202, 217, 242, .8); border-radius: 25px; background: rgba(242, 247, 255, .76); box-shadow: 0 28px 65px -38px rgba(35, 69, 133, .4); }
.hero-dashboard [data-report-preview] { min-height: 480px; }
.preview-caption { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 5px 14px; color: var(--saas-muted); font-size: 12px; }
.preview-caption a { display: inline-flex; gap: 7px; align-items: center; min-height: 44px; color: var(--saas-accent); font-weight: 600; white-space: nowrap; }
.preview-caption svg { width: 15px; height: 15px; }
.capability-band { margin-top: 0; }
.capability-link { margin-block: 22px; padding: 7px 24px; }
.capability-link:first-child { padding-left: 4px; }
.capability-icon { background: var(--saas-ice); }
.capability-link strong { font-size: 16px; }
.capability-link small { margin-top: 5px; font-size: 12px; }
.home-products { padding: 76px 0; }
.home-products-heading { gap: 36px; margin-bottom: 32px; }
.home-products-heading .eyebrow { margin-bottom: 12px; }
.home-products-heading h2 { font-size: clamp(27px, 2.7vw, 36px); line-height: 1.45; }
.home-products-heading h2 span { color: var(--saas-muted); }
.home-products-heading > p { margin-bottom: 4px; line-height: 1.85; }
.home-product-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 28px; align-items: stretch; }
.product-proof { min-width: 0; padding: 18px 28px 22px; border: 1px solid var(--saas-line); border-radius: 20px; background: linear-gradient(145deg, #f0f5fc, #fafcff 64%, #edf3fb); }
.proof-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; font-size: 13px; color: var(--saas-muted); }
.proof-screens { display: flex; align-items: flex-end; justify-content: center; gap: 24px; padding-block: 22px 20px; }
.proof-screens figure { width: 44%; max-width: 210px; margin: 0; }
.proof-screens figure:last-child { width: 30%; max-width: 145px; }
.proof-screens a { display: block; padding: 5px; border: 1px solid #dde4ec; border-radius: 12px; background: #fff; box-shadow: 0 14px 24px -15px rgba(37, 53, 77, .38); transition: transform 180ms ease; }
.proof-screens a:hover { transform: translateY(-3px); }
.proof-screens img { display: block; width: 100%; height: auto; border-radius: 7px; }
.proof-screens figcaption { margin-top: 12px; color: var(--saas-muted); font-size: 12px; text-align: center; }
.product-proof .asset-note { margin: 0; text-align: center; line-height: 1.7; }
.home-product-grid { grid-template-columns: 1fr; gap: 18px; }
.home-product-card, .home-product-card:last-child { gap: 18px; padding: 25px 28px; background: #fff; }
.home-product-card:hover, .home-product-card:focus-visible { transform: none; border-color: #9dbbf6; }
.home-product-card .eyebrow { margin-bottom: 8px; }
.home-product-card h3 { margin-bottom: 9px; font-size: 27px; line-height: 1.5; }
.home-product-card p:not(.eyebrow) { max-width: none; margin-bottom: 15px; color: var(--saas-muted); font-size: 14px; line-height: 1.85; text-wrap: pretty; }
.product-card-icon { top: 26px; right: 28px; width: 35px; height: 35px; color: var(--saas-accent); }
.product-card-action { color: var(--saas-accent); font-size: 13px; font-weight: 600; }
.home-product-card:last-child .eyebrow, .home-product-card:last-child .product-card-icon, .home-product-card:last-child .product-card-action { color: var(--saas-secondary); }
.card-arrow { background: var(--saas-ice); }
.home-next { padding-bottom: 64px; }
.next-inner { display: flex; justify-content: space-between; align-items: center; gap: 32px; padding: 32px 38px; border: 1px solid #d9e5f9; border-radius: 18px; background: var(--saas-ice); }
.next-inner h2 { margin-bottom: 8px; font-size: 26px; }
.next-inner p { margin-bottom: 0; color: var(--saas-muted); font-size: 14px; }
.next-inner .home-actions { flex-shrink: 0; margin: 0; }

/* 四个内页统一品牌色、边界与文字层次。 */
.page-hero { padding: 60px 0 40px; background: linear-gradient(180deg, #f8faff, #fff); }
.page-hero h1 { font-size: clamp(32px, 3.5vw, 46px); line-height: 1.45; }
.page-hero .eyebrow { margin-bottom: 14px; }
.page-hero-lede { line-height: 1.85; text-wrap: pretty; }
.gallery-tab { min-height: 62px; border-color: var(--saas-line); border-radius: 10px; }
.gallery-tab:hover { border-color: #9dbbf6; background: #f8faff; }
.gallery-tab[aria-selected="true"] { border-color: #b1cafa; background: #edf3ff; box-shadow: inset 3px 0 var(--saas-accent); }
.gallery-detail-copy { padding-inline: 0; }
.gallery-detail-copy p:last-child { min-height: 84px; line-height: 1.85; }
.gallery-frame { min-height: 552px; border-color: var(--saas-line); border-radius: 20px; background: linear-gradient(145deg, #eef3fd, #f9fbff 64%, #edf2fa); }
.gallery-screen { border-radius: 14px; box-shadow: 0 18px 30px -18px rgba(28, 50, 83, .35); }
.gallery-zoom { min-height: 44px; bottom: 10px; border-color: #c6d5eb; font-size: 13px; }
.gallery-dialog { max-height: 90dvh; overflow: auto; overscroll-behavior: contain; }
.gallery-dialog::backdrop { background: rgba(20, 34, 54, .65); backdrop-filter: none; }
.products-page .page-section { border-color: var(--saas-line); background: #f8faff; }
.solution-card { border-color: #abc4f3; }
.report-entry-image img { background: var(--saas-ice); }
.downloads-page .page-hero { padding-bottom: 78px; background: linear-gradient(180deg, #f8faff, #eef4ff); }
.download-content { margin-top: -30px; }
.download-product { padding: 32px; border-color: var(--saas-line); border-radius: 18px; }
.download-product:nth-child(2) { --product-accent: var(--saas-secondary); }
.download-product-icon { border: 0; background: var(--saas-ice); }
.download-product:nth-child(2) .download-product-icon { background: #edf8f5; }
.download-links a { min-height: 70px; padding-inline: 8px; border-color: var(--saas-line); }
.download-links a:hover, .download-links a:focus-visible { background: #f5f8fd; }
.video-callout { border-color: var(--saas-line); border-radius: 12px; background: #f8faff; }
.saas-page .page-footer-note { margin-top: 24px; }
.contact-layout { border-color: var(--saas-line); border-radius: 20px; background: linear-gradient(135deg, #f1f6ff, #fbfcff); }
.contact-copy p { line-height: 1.9; }
.contact-copy .contact-signoff { border-color: #97b8f4; }
.contact-detail { border-color: var(--saas-line); border-radius: 12px; }
a.contact-detail:hover, a.contact-detail:focus-visible { transform: none; border-color: #9dbbf6; }
.saas-page .site-footer { border-color: var(--saas-line); background: #fbfcfe; }
.saas-page .footer-inner { min-height: 88px; color: var(--saas-muted); font-size: 12px; }
.saas-page .footer-inner a { display: inline-flex; align-items: center; min-height: 44px; }

@media (max-width: 1100px) {
  .saas-page .container { width: calc(100% - 64px); }
  .home-hero { padding-block: 44px; }
  .home-hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .home-hero-copy { padding: 0; text-align: center; }
  .home-hero h1 { font-size: 48px; }
  .home-hero-lede { margin-inline: auto; }
  .home-actions { justify-content: center; }
  .hero-dashboard { width: min(100%, 740px); margin-inline: auto; }
  .capability-link { padding-inline: 16px; gap: 10px; }
  .capability-icon { width: 34px; flex-basis: 34px; }
  .home-product-layout { gap: 22px; }
  .home-product-card, .home-product-card:last-child { padding: 24px; }
  .home-product-card h3 { font-size: 24px; }
  .product-card-icon { right: 24px; width: 28px; height: 28px; }
  .proof-screens { gap: 16px; }
}
@media (max-width: 820px) {
  .saas-page .container { width: calc(100% - 48px); }
  .saas-page .header-inner { min-height: 72px; }
  .capability-link, .capability-link:first-child { margin: 0; padding: 22px 18px; }
  .capability-icon { width: 40px; flex-basis: 40px; }
  .home-products { padding-block: 52px; }
  .home-products-heading > p br { display: none; }
  .home-products-heading > p { max-width: 100%; }
  .home-product-layout { grid-template-columns: 1fr; }
  .home-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-product-card, .home-product-card:last-child { padding: 24px 20px; grid-template-columns: 1fr; }
  .home-product-card .card-arrow { display: none; }
  .product-card-icon { width: 25px; height: 25px; right: 20px; }
  .next-inner { flex-direction: column; align-items: flex-start; padding: 28px; gap: 22px; }
  .next-inner .home-actions { justify-content: flex-start; }
  .page-hero { padding-block: 40px 30px; }
  .page-hero h1 { font-size: 38px; }
  .gallery-detail-copy p:last-child { min-height: 0; }
  .gallery-frame { min-height: 530px; }
  .download-product { padding: 24px; }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 84px; }
  .saas-page .container { width: calc(100% - 36px); }
  .saas-page .header-inner { min-height: 68px; }
  .saas-page .primary-nav { right: 18px; left: 18px; }
  .saas-page .eyebrow { font-size: 12px; margin-bottom: 14px; }
  .home-hero { padding-block: 32px 30px; }
  .home-hero-grid { gap: 28px; }
  .home-hero-copy { text-align: left; }
  .home-hero h1 { margin-bottom: 20px; font-size: clamp(32px, 9.2vw, 46px); line-height: 1.35; }
  .home-hero-lede { font-size: 15px; }
  .desktop-break { display: none; }
  .home-actions { justify-content: flex-start; gap: 10px; margin-top: 24px; }
  .home-hero-copy .device-note { margin-top: 18px; font-size: 12px; }
  .hero-dashboard { padding: 6px 6px 0; border-radius: 20px; }
  .hero-dashboard [data-report-preview] { min-height: 545px; }
  .preview-caption { flex-direction: column; align-items: flex-start; gap: 0; padding: 10px 10px 2px; }
  .capability-link, .capability-link:first-child { gap: 10px; padding: 18px 10px; }
  .capability-icon { width: 28px; height: 34px; flex-basis: 28px; background: transparent; }
  .capability-link strong { font-size: 15px; }
  .capability-link small { font-size: 12px; line-height: 1.6; }
  .home-products { padding-block: 40px; }
  .home-products-heading { margin-bottom: 24px; }
  .home-products-heading h2 { font-size: 28px; }
  .home-product-grid { grid-template-columns: 1fr; gap: 16px; }
  .home-product-card, .home-product-card:last-child { padding: 24px; grid-template-columns: minmax(0, 1fr) auto; }
  .home-product-card .card-arrow { display: grid; }
  .home-product-card h3 { font-size: 25px; }
  .home-product-card .eyebrow { margin-bottom: 8px; }
  .product-proof { padding: 12px 16px 18px; border-radius: 16px; }
  .proof-heading { gap: 8px; font-size: 12px; }
  .proof-heading .text-link { font-size: 12px; }
  .proof-screens { gap: 16px; padding-block: 18px; }
  .proof-screens figure { width: 51%; }
  .proof-screens figure:last-child { width: 35%; }
  .home-next { padding-bottom: 40px; }
  .next-inner { padding: 24px; border-radius: 16px; }
  .next-inner h2 { font-size: 25px; }
  .page-hero { padding-block: 32px 26px; }
  .page-hero h1 { font-size: clamp(29px, 8.4vw, 36px); }
  .gallery-tab { min-height: 56px; }
  .gallery-frame { min-height: 490px; padding-bottom: 64px; border-radius: 16px; }
  .gallery-screen { height: 360px; max-height: 58vh; }
  .gallery-screen-caption, .saas-page .footer-inner { font-size: 12px; }
  .gallery-zoom { min-height: 44px; }
  .downloads-page .page-hero { padding-bottom: 58px; }
  .download-content { margin-top: -22px; }
  .download-product { border-radius: 16px; }
  .download-product h2 { font-size: 23px; }
  .download-links a { min-height: 66px; }
  .contact-layout { border-radius: 16px; }
  .contact-detail strong { overflow-wrap: anywhere; }
  .saas-page .footer-inner { gap: 0; }
}
@media (max-width: 360px) {
  .saas-page .container { width: calc(100% - 28px); }
  .capability-link, .capability-link:first-child { padding-inline: 4px; gap: 6px; }
  .capability-icon { flex-basis: 24px; width: 24px; }
  .home-product-card, .home-product-card:last-child { padding: 21px; }
  .home-product-card h3 { font-size: 23px; }
  .download-product h2 { font-size: 21px; }
  .download-links a { padding-inline: 0; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }