:root {
  --fc-ink: #1f2937;
  --fc-ink-soft: #4b5563;
  --fc-muted: #646b73;
  --fc-blue: #3370ff;
  --fc-blue-dark: #245bdb;
  --fc-cyan: #26cfe0;
  --fc-pale: #f5f8ff;
  --fc-pale-blue: #edf4ff;
  --fc-line: #e2eaf7;
  --fc-white: #fff;
  --fc-shell: 1250px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.fc-solution-page {
  margin: 0;
  color: var(--fc-ink);
  background: #fff;
  font-family: "Alibaba PuHuiTi 3", "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.fc-solution-page a { color: inherit; text-decoration: none; }
body.fc-solution-page img { max-width: 100%; }
body.fc-solution-page h1,
body.fc-solution-page h2,
body.fc-solution-page h3,
body.fc-solution-page p { margin: 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.fc-shell { width: min(var(--fc-shell), calc(100% - 48px)); margin: 0 auto; }

.fc-site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 72px;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(226, 234, 247, .92);
  backdrop-filter: blur(12px);
}

.fc-header-inner {
  width: min(1250px, calc(100% - 48px));
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) 236px;
  align-items: center;
  gap: 24px;
}

.fc-brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.fc-brand img { display: block; width: 130px; height: auto; }

.fc-primary-nav { display: flex; align-items: center; justify-content: center; gap: 48px; height: 100%; }
.fc-primary-nav > a { position: relative; display: inline-flex; align-items: center; height: 100%; color: #333; font-size: 16px; white-space: nowrap; transition: color .2s ease; }
.fc-primary-nav > a::after { display: none; }
.fc-primary-nav > a:hover,
.fc-primary-nav > a.is-active { color: #076ce0; }

.fc-nav-actions { display: flex; align-items: center; justify-content: flex-end; gap: 17px; }
.fc-nav-ghost,
.fc-nav-cta { display: inline-flex; align-items: center; justify-content: center; width: 108px; height: 32px; padding: 0; border-radius: 16px; font-size: 15px; white-space: nowrap; transition: background .2s ease, border-color .2s ease, color .2s ease; }
.fc-nav-ghost { color: #4a7ffd !important; border: 1px solid #4a7ffd; background: transparent; }
.fc-nav-ghost:hover { color: #1664ff !important; border-color: #3a72f7; background: transparent; }
.fc-nav-cta { color: #fff !important; background: #3871f6; }
.fc-nav-cta:hover { background: #4a7ffd; }
.fc-mobile-header-cta { display: none; }

.fc-menu-toggle { display: none; width: 40px; height: 40px; padding: 9px; margin-left: auto; border: 0; background: transparent; cursor: pointer; }
.fc-menu-toggle span:not(.sr-only) { display: block; width: 22px; height: 2px; margin: 4px auto; border-radius: 2px; background: var(--fc-ink); }

@media (min-width: 1041px) {
  .fc-header-inner { position: relative; display: block; }
  .fc-header-inner > .fc-brand { position: absolute; top: 0; left: 0; width: 130px; height: 72px; }
  .fc-primary-nav { position: absolute; top: 0; left: 277.86px; width: 600px; display: grid; grid-template-columns: repeat(6, 100px); gap: 0; }
  .fc-primary-nav > a { width: 80px; justify-content: center; justify-self: center; }
  .fc-nav-actions { position: absolute; top: 20px; left: 988px; }
}

.fc-solution-hero {
  position: relative;
  min-height: 516px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(112deg, #0878e8 0%, #166ee2 42%, #315fdb 100%);
}

.fc-solution-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 58%, #000 100%);
}

.fc-hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(500px, 1.1fr);
  gap: 54px;
  align-items: center;
  padding: 62px 0 66px;
}

.fc-hero-copy { min-width: 0; }
.fc-kicker { color: #d6e5ff; font-size: 14px; font-weight: 600; letter-spacing: 0; line-height: 1.4; }
.fc-kicker-blue { color: var(--fc-blue); }
.fc-kicker-light { color: #bcd2ff; }
.fc-solution-hero h1 { max-width: 590px; margin-top: 18px; color: #fff; font-size: 42px; font-weight: 600; letter-spacing: 0; line-height: 1.3; }
.fc-solution-hero h1 span { color: #dffbff; }
.fc-hero-lead { max-width: 520px; margin-top: 22px !important; color: rgba(255, 255, 255, .86); font-size: 17px; line-height: 1.78; }
.fc-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.fc-button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 22px; border-radius: 22px; font-size: 15px; font-weight: 600; line-height: 1; transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease; }
.fc-button:hover { transform: translateY(-2px); }
.fc-button-primary { gap: 8px; color: #1d4fcb !important; background: #fff; box-shadow: 0 12px 24px rgba(8, 54, 158, .18); }
.fc-feishu-icon {
  display: inline-block;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  background: currentColor;
  -webkit-mask: url("../30650693.s21i.faiusr.com/4/2/ABUIABAEGAAgtuXMtQYo8KKCOzA8ODw.png") center / contain no-repeat;
  mask: url("../30650693.s21i.faiusr.com/4/2/ABUIABAEGAAgtuXMtQYo8KKCOzA8ODw.png") center / contain no-repeat;
}
.fc-button-primary:hover { background: #f1fbff; }
.fc-button-light { color: #fff !important; border: 1px solid rgba(255, 255, 255, .48); background: rgba(255, 255, 255, .1); }
.fc-button-light:hover { background: rgba(255, 255, 255, .18); }
.fc-hero-note { display: flex; align-items: center; gap: 8px; margin-top: 24px; color: rgba(255, 255, 255, .76); font-size: 14px; }
.fc-note-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--fc-cyan); box-shadow: 0 0 0 5px rgba(38, 207, 224, .14); }

.fc-hero-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .46);
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
}

.fc-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .34);
}

.fc-hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.fc-hero-visual-label {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 30px;
  padding: 0 12px;
  border: 1px solid rgba(177, 204, 255, .78);
  border-radius: 6px;
  color: #2555bd;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 6px 18px rgba(31, 77, 170, .1);
  backdrop-filter: blur(8px);
  font-size: 12px;
  font-weight: 600;
}

.fc-hero-visual-label span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #2bd5c5;
  box-shadow: 0 0 0 4px rgba(43, 213, 197, .14);
}

.fc-hero-visual figcaption {
  position: absolute;
  z-index: 2;
  right: 16px;
  bottom: 16px;
  display: grid;
  gap: 1px;
  min-width: 188px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, .78);
  border-radius: 6px;
  color: #172a57;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 10px 24px rgba(22, 59, 135, .12);
  backdrop-filter: blur(8px);
}

.fc-hero-visual figcaption strong { font-size: 13px; line-height: 1.4; }
.fc-hero-visual figcaption span { color: #647696; font-size: 11px; line-height: 1.5; }

.fc-section { padding: 80px 0; }
.fc-solution-intro { background: var(--fc-pale); }
.fc-intro-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 60px; align-items: start; }
.fc-section h2 { margin-top: 14px; color: var(--fc-ink); font-size: 40px; font-weight: 600; letter-spacing: 0; line-height: 1.35; }
#intro-title { font-size: clamp(34px, 3.125vw, 40px); white-space: nowrap; }
.fc-intro-copy > p { max-width: 610px; color: var(--fc-muted); font-size: 17px; line-height: 1.9; }
.fc-signal-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--fc-line); }
.fc-signal-list div { display: grid; gap: 5px; padding: 12px 13px; border: 1px solid transparent; border-radius: 8px; transition: border-color .2s ease, background .2s ease, transform .2s ease; }
.fc-signal-list div:hover { border-color: #c9dafa; background: #fff; transform: translateY(-2px); }
.fc-signal-list strong { color: var(--fc-blue); font-size: 18px; font-weight: 600; }
.fc-signal-list span { color: var(--fc-muted); font-size: 14px; line-height: 1.6; }

.fc-pain-section { background: #fff; }
.fc-section-heading { display: flex; justify-content: space-between; gap: 36px; align-items: end; }
.fc-section-heading > p { max-width: 370px; color: var(--fc-muted); font-size: 17px; line-height: 1.8; }
.fc-section-heading-centered { display: block; text-align: center; }
.fc-section-heading-centered > div,
.fc-section-heading-centered h2,
.fc-section-heading-centered > p { text-align: center; }
.fc-section-heading-centered > p { max-width: 560px; margin: 18px auto 0; }
.fc-scenes-section .fc-section-heading-centered { width: 100%; }
.fc-scenes-section .fc-scenes-lead { width: 100%; max-width: 620px; margin-right: auto; margin-left: auto; text-align: center; }
.fc-pain-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 38px; border-top: 1px solid var(--fc-line); border-bottom: 1px solid var(--fc-line); }
.fc-pain-item { display: flex; gap: 18px; min-height: 190px; padding: 28px 24px; border-right: 1px solid var(--fc-line); transition: background .2s ease, transform .2s ease; }
.fc-pain-item:hover { background: #f6f9ff; transform: translateY(-3px); }
.fc-pain-item:first-child { padding-left: 24px; }
.fc-pain-item:last-child { padding-right: 24px; border-right: 0; }
.fc-pain-item > span { color: var(--fc-blue); font-size: 14px; font-weight: 700; line-height: 1.8; }
.fc-pain-item h3 { color: var(--fc-ink); font-size: 20px; font-weight: 600; line-height: 1.5; }
.fc-pain-item p { margin-top: 10px !important; color: var(--fc-muted); font-size: 16px; line-height: 1.8; }

.fc-workflow-section { background: var(--fc-pale); }
.fc-workflow-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 56px; align-items: center; }
.fc-workflow-copy #workflow-title { font-size: clamp(24px, 6vw, 37px); white-space: nowrap; }
.fc-workflow-copy > p:not(.fc-kicker) { max-width: 500px; margin-top: 18px !important; color: var(--fc-muted); font-size: 16px; line-height: 1.85; }
.fc-check-list { display: grid; gap: 14px; padding: 0; margin: 30px 0 0; list-style: none; }
.fc-check-list li { display: flex; gap: 11px; align-items: flex-start; color: var(--fc-ink-soft); font-size: 16px; line-height: 1.65; }
.fc-check-list li span { display: inline-flex; align-items: center; justify-content: center; width: 21px; height: 21px; flex: 0 0 21px; margin-top: 2px; color: #fff; border-radius: 50%; background: var(--fc-blue); font-size: 12px; font-weight: 700; line-height: 1; }
.fc-visual { margin: 0; }
.fc-workflow-visual { padding: 25px 26px 18px; border: 1px solid #dce7fb; border-radius: 12px; background: #fff; box-shadow: 0 18px 48px rgba(44, 92, 170, .1); transition: transform .25s ease, box-shadow .25s ease; }
.fc-workflow-visual:hover { transform: translateY(-5px); box-shadow: 0 24px 58px rgba(44, 92, 170, .15); }
.fc-workflow-visual img { display: block; width: 100%; height: auto; border-radius: 7px; background: #f4f7ff; }
.fc-visual figcaption { padding-top: 13px; color: var(--fc-muted); font-size: 12px; text-align: center; }

.fc-scenes-section { background: #fff; }
.fc-scene-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 38px; }
.fc-scene-card { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); min-height: 300px; overflow: hidden; border: 1px solid var(--fc-line); border-radius: 10px; background: #fff; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.fc-scene-card:hover { border-color: #a9c4fb; box-shadow: 0 18px 42px rgba(47, 113, 246, .12); transform: translateY(-5px); }
.fc-scene-copy { padding: 31px 24px; }
.fc-scene-index { display: block; color: var(--fc-blue); font-size: 14px; font-weight: 700; }
.fc-scene-copy h3 { margin-top: 18px; color: var(--fc-ink); font-size: 20px; font-weight: 600; line-height: 1.5; }
.fc-scene-copy p { margin-top: 12px !important; color: var(--fc-muted); font-size: 16px; line-height: 1.8; }
.fc-scene-card img { align-self: stretch; width: 100%; height: 100%; min-height: 300px; object-fit: cover; object-position: center; background: transparent; }
.fc-scene-card:nth-child(3) img { object-fit: contain; padding: 9px; }

.fc-proof-section { background: var(--fc-pale); }
.fc-proof-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 70px; align-items: center; }
.fc-proof-visual { overflow: hidden; border-radius: 12px; background: #fff; box-shadow: 0 18px 48px rgba(44, 92, 170, .08); }
.fc-proof-visual img { display: block; width: 100%; height: auto; }
.fc-proof-copy > p:not(.fc-kicker) { margin-top: 18px !important; color: var(--fc-muted); font-size: 16px; line-height: 1.85; }
.fc-proof-points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; margin-top: 32px; }
.fc-proof-points div { display: grid; gap: 5px; padding-top: 16px; border-top: 2px solid #bcd1fb; }
.fc-proof-points strong { color: var(--fc-blue); font-size: 24px; font-weight: 600; line-height: 1; }
.fc-proof-points span { color: var(--fc-muted); font-size: 14px; line-height: 1.55; }
.fc-inline-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 30px; color: var(--fc-blue) !important; font-size: 14px; font-weight: 600; }
.fc-inline-link span { transition: transform .2s ease; }
.fc-inline-link:hover span { transform: translateX(4px); }

.fc-cases-section { padding-top: 80px; padding-bottom: 84px; background: #eef4ff; }
.fc-cases-section .fc-section-heading { display: block; text-align: center; }
.fc-cases-section .fc-section-heading > div,
.fc-cases-section .fc-section-heading h2 { text-align: center; }
.fc-cases-section .fc-section-heading > p { max-width: 760px; margin: 18px auto 0; text-align: center; }
.fc-case-row { position: relative; margin-top: 38px; }
.fc-case-viewport { overflow: hidden; padding: 0 0 26px; isolation: isolate; }
.fc-case-track { display: flex; transition: transform .48s cubic-bezier(.22, .61, .36, 1); }
.fc-case-page { display: grid; grid-template-columns: repeat(var(--fc-case-columns, 4), minmax(0, 1fr)); gap: 16px; min-width: 0; padding: 4px 8px 0; flex: 0 0 100%; }
.fc-case-item { position: relative; display: flex; min-width: 0; min-height: 382px; overflow: hidden; flex-direction: column; border: 0; border-radius: 7px; background: #fff; box-shadow: none; transition: transform .24s ease, box-shadow .24s ease; }
.fc-case-item:hover { box-shadow: 0 8px 18px rgba(47, 84, 150, .11); transform: translateY(-4px); }
.fc-case-media { display: block; overflow: hidden; aspect-ratio: 16 / 10; background: #dde8f8; }
.fc-case-media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.fc-case-item:hover .fc-case-media img { transform: scale(1.045); }
.fc-case-content { position: relative; display: flex; min-height: 195px; padding: 18px 19px 17px; flex: 1; flex-direction: column; }
.fc-case-meta { display: flex; align-items: center; justify-content: flex-start; gap: 10px; }
.fc-case-sector { display: inline-flex; align-items: center; min-height: 25px; padding: 2px 9px; border-radius: 3px; color: #235bd9; background: #edf3ff; font-size: 14px; line-height: 1; }
.fc-case-title { display: -webkit-box; min-height: 76px; margin-top: 13px; overflow: hidden; color: var(--fc-ink); font-size: 18px; font-weight: 600; line-height: 1.5; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.fc-case-brand { display: flex; align-items: center; min-height: 34px; padding-right: 38px; margin-top: auto; }
.fc-case-brand img { display: block; width: auto; max-width: 118px; height: auto; max-height: 30px; object-fit: contain; object-position: left center; }
.fc-case-arrow { position: absolute; right: 17px; bottom: 17px; display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border: 1px solid #d7e3f8; border-radius: 6px; color: var(--fc-blue); background: #f6f9ff; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease; }
.fc-case-arrow svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.fc-case-item:hover .fc-case-arrow { color: #fff; border-color: var(--fc-blue); background: var(--fc-blue); transform: translate(2px, -2px); }
.fc-case-controls { display: flex; justify-content: center; margin-top: 24px; }
.fc-case-buttons { display: flex; gap: 10px; }
.fc-case-button { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; border: 1px solid #d6e1f2; border-radius: 8px; color: #25416f; background: #fff; cursor: pointer; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease; }
.fc-case-button svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.fc-case-button:hover:not(:disabled) { color: #fff; border-color: var(--fc-blue); background: var(--fc-blue); transform: translateY(-2px); }
.fc-case-button:disabled { color: #b8c3d5; border-color: #e6ebf3; background: #f5f7fa; cursor: default; }
.fc-case-button:focus-visible { outline: 3px solid rgba(47, 113, 246, .26); outline-offset: 2px; }
.fc-cases-more-link { display: flex; width: fit-content; margin: 20px auto 0; justify-content: center; }

.fc-cta-band { background: #163b91; }
.fc-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 48px; padding: 76px 0; }
.fc-cta-band h2 { margin-top: 13px; color: #fff; font-size: 40px; line-height: 1.35; }
.fc-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.fc-button-white { color: #194dca !important; background: #fff; }
.fc-button-outline { color: #fff !important; border: 1px solid rgba(255, 255, 255, .48); background: transparent; }
.fc-button-outline:hover { background: rgba(255, 255, 255, .1); }

.fc-site-footer { color: #596579; background: #f7f9fc; border-top: 1px solid #e8edf4; }
.fc-footer-main { width: min(1223px, calc(100% - 96px)); min-height: 280px; display: grid; grid-template-columns: minmax(260px, 300px) minmax(0, 1fr); gap: 44px; padding: 42px 0 35px; }
.fc-footer-brand { min-width: 0; }
.fc-brand-footer img { width: 130px; height: 36px; object-fit: contain; object-position: left center; }
.fc-footer-brand p { margin-top: 8px !important; color: #8a95a8; font-size: 18px; line-height: 31px; white-space: nowrap; }
.fc-footer-social { display: flex; gap: 12px; margin-top: 13px; }
.fc-footer-social a { display: inline-flex; transition: opacity .16s ease, transform .16s ease; }
.fc-footer-social a:hover { opacity: .82; transform: translateY(-2px); }
.fc-footer-social img { display: block; width: 28px; height: 28px; object-fit: contain; }
.fc-footer-columns { display: grid; grid-template-columns: repeat(5, minmax(88px, 1fr)); gap: 44px; }
.fc-footer-group { display: grid; align-content: start; justify-items: start; gap: 9px; }
.fc-footer-group strong { min-height: 50px; color: #4b5563; font-size: 21px; font-weight: 600; line-height: 34px; }
.fc-footer-group a { width: fit-content; color: #596579; font-size: 18px; line-height: 32px; transition: color .16s ease; }
.fc-footer-group a:hover { color: #1677ff; }
.fc-footer-bottom { min-height: 80px; display: flex; align-items: center; justify-content: center; gap: 16px; color: #7b8798; background: rgba(255, 255, 255, .7); border-top: 1px solid #e6ebf2; font-size: 16px; line-height: 26px; }
.fc-footer-bottom span { padding-right: 16px; border-right: 1px solid #d7dee8; }
.fc-footer-bottom a { color: #7b8798; transition: color .16s ease; }
.fc-footer-bottom a:hover { color: #1677ff; }

/* Keep every desktop content block inside the header CTA's right edge. */
@media (min-width: 1041px) {
  .fc-shell { padding-right: 29px; }
  .fc-footer-main { padding-right: 0; }
}

.fc-motion-ready .fc-reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.fc-motion-ready .fc-reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1040px) {
  .fc-header-inner { grid-template-columns: 138px minmax(0, 1fr) 194px; gap: 18px; }
  .fc-primary-nav { gap: 22px; }
  .fc-nav-actions { gap: 10px; }
  .fc-nav-ghost,
  .fc-nav-cta { width: 92px; }
  .fc-hero-content { grid-template-columns: minmax(0, .95fr) minmax(430px, 1.05fr); gap: 34px; }
  .fc-solution-hero h1 { font-size: 40px; }
  .fc-intro-grid,
  .fc-workflow-grid,
  .fc-proof-grid { gap: 42px; }
  .fc-intro-grid { grid-template-columns: 1fr; gap: 35px; }
  .fc-pain-item { padding-right: 17px; padding-left: 17px; }
}

@media (max-width: 820px) {
  .fc-site-header { height: 64px; }
  .fc-header-inner { width: min(100% - 32px, var(--fc-shell)); display: flex; }
  .fc-header-inner > .fc-brand img { width: 116px; }
  .fc-menu-toggle,
  .fc-primary-nav,
  .fc-nav-actions { display: none; }
  .fc-mobile-header-cta { display: inline-flex; align-items: center; justify-content: center; width: 92px; height: 34px; margin-left: auto; border-radius: 17px; color: #fff !important; background: #3871f6; font-size: 14px; }
  .fc-solution-hero { min-height: auto; }
  .fc-solution-hero::before { mask-image: none; opacity: .7; }
  .fc-hero-content { grid-template-columns: 1fr; gap: 42px; padding: 58px 0 62px; }
  .fc-hero-copy { max-width: 650px; }
  .fc-solution-hero h1 { font-size: 36px; }
  .fc-hero-visual { width: min(100%, 680px); }
  .fc-section { padding: 64px 0; }
  .fc-intro-grid,
  .fc-workflow-grid,
  .fc-proof-grid { grid-template-columns: 1fr; }
  .fc-intro-grid { gap: 35px; }
  .fc-pain-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fc-pain-item:nth-child(2) { border-right: 0; }
  .fc-pain-item:nth-child(-n + 2) { border-bottom: 1px solid var(--fc-line); }
  .fc-pain-item:first-child,
  .fc-pain-item:nth-child(3) { padding-left: 17px; }
  .fc-scene-grid { grid-template-columns: 1fr; }
  .fc-proof-grid { gap: 42px; }
  .fc-cta-inner { align-items: flex-start; flex-direction: column; padding: 65px 0; }
  .fc-cta-actions { align-self: center; justify-content: center; }
  .fc-site-footer { background: #f6f8fc; }
  .fc-shell.fc-footer-main { width: 100%; max-width: 560px; grid-template-columns: 1fr; gap: 30px; padding: 34px 20px 24px; }
  .fc-brand-footer img { width: 112px; height: 36px; }
  .fc-footer-brand p { margin-top: 10px !important; white-space: normal; font-size: 14px; line-height: 24px; }
  .fc-footer-social { gap: 8px; margin-top: 16px; }
  .fc-footer-social a { align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 7px; background: #fff; box-shadow: 0 3px 12px rgba(28, 50, 84, .08); }
  .fc-footer-social img { width: 20px; height: 20px; }
  .fc-footer-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 32px; padding-top: 28px; border-top: 1px solid #e4e9f1; }
  .fc-footer-group { gap: 8px; }
  .fc-footer-group strong { min-height: 0; margin-bottom: 3px; font-size: 16px; line-height: 25px; }
  .fc-footer-group a { font-size: 14px; line-height: 24px; }
  .fc-footer-group:nth-child(5) { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px 22px; }
  .fc-footer-group:nth-child(5) strong { flex-basis: 100%; }
  .fc-footer-bottom { min-height: 0; flex-direction: column; gap: 4px; padding: 19px 20px 21px; font-size: 12px; line-height: 20px; text-align: center; }
  .fc-footer-bottom span { padding-right: 0; border-right: 0; }
}

@media (max-width: 560px) {
  .fc-shell { width: min(100% - 32px, var(--fc-shell)); }
  .fc-hero-content { gap: 34px; padding: 46px 0 50px; }
  .fc-solution-hero h1 { font-size: 32px; }
  .fc-hero-lead { font-size: 16px; }
  .fc-hero-actions { display: grid; grid-template-columns: 1fr; }
  .fc-cta-actions { width: min(100%, 420px); }
  .fc-button { width: 100%; }
  .fc-hero-actions .fc-button-primary { gap: 0; }
  .fc-hero-actions .fc-button-primary .fc-feishu-icon { display: none; }
  .fc-hero-visual-label { top: 10px; left: 10px; height: 26px; padding: 0 9px; font-size: 11px; }
  .fc-hero-visual figcaption { right: 10px; bottom: 10px; min-width: 0; padding: 8px 10px; }
  .fc-hero-visual figcaption span { display: none; }
  .fc-signal-list { grid-template-columns: 1fr; gap: 17px; }
  .fc-section-heading { display: block; }
  .fc-section-heading > p { margin-top: 18px; }
  .fc-section { padding: 52px 0; }
  .fc-section h2 { font-size: 30px; line-height: 1.4; }
  #intro-title { font-size: clamp(21px, 6.9vw, 30px); }
  .fc-pain-grid { grid-template-columns: 1fr; }
  .fc-pain-item,
  .fc-pain-item:first-child,
  .fc-pain-item:nth-child(2),
  .fc-pain-item:nth-child(3) { min-height: auto; padding: 23px 0; border-right: 0; border-bottom: 1px solid var(--fc-line); }
  .fc-pain-item:last-child { border-bottom: 0; }
  .fc-scene-card { grid-template-columns: 1fr; }
  .fc-scene-card img { min-height: 220px; max-height: 260px; }
  .fc-scene-card:nth-child(3) img { min-height: 205px; }
  .fc-proof-points { gap: 10px; }
  .fc-proof-points strong { font-size: 20px; }
  .fc-case-row { margin-top: 34px; }
  .fc-case-item { min-height: 395px; }
  .fc-case-title { min-height: auto; }
  .fc-footer-columns { gap: 28px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .fc-case-track,
  .fc-case-item,
  .fc-scene-card,
  .fc-workflow-visual,
  .fc-pain-item,
  .fc-signal-list div { transition: none; }
}