:root {
  --primary: #007ab9;
  --primary-2: #15a7df;
  --cyan: #19c6b5;
  --green: #54b46a;
  --orange: #f08a24;
  --navy: #082338;
  --text: #101923;
  --muted: #5d6b78;
  --soft: #8a98a6;
  --bg: #f5f8fb;
  --card: #ffffff;
  --line: rgba(8, 35, 56, 0.1);
  --shadow: 0 16px 42px rgba(7, 42, 68, 0.1);
  --shadow-hover: 0 24px 70px rgba(0, 122, 185, 0.18);
  --fs-nav: 14px;
  --fs-eyebrow: 12px;
  --fs-page-title: clamp(48px, 4.8vw, 64px);
  --fs-page-subtitle: clamp(16px, 1.35vw, 18px);
  --fs-section-title: clamp(30px, 3.2vw, 44px);
  --fs-section-copy: 16px;
  --fs-card-title: 18px;
  --fs-body: 14px;
  --fs-caption: 12px;
  --fs-stat: 32px;
  --site-bg:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 50% 8%, rgba(0, 153, 255, 0.24), transparent 34%),
    radial-gradient(circle at 76% 34%, rgba(0, 153, 255, 0.1), transparent 28%),
    linear-gradient(135deg, #050b16, #0a1628 58%, #132442);
  --site-bg-size: 78px 78px, 78px 78px, auto, auto, auto;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--site-bg);
  background-size: var(--site-bg-size);
  color: var(--text);
}

body,
button,
input,
select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: 0;
  cursor: pointer;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.page-hero {
  min-height: 430px;
  display: grid;
  place-items: center;
  padding: 116px max(24px, calc((100vw - 1180px) / 2)) 92px;
  background: transparent;
  color: #ffffff;
}

.page-hero-inner {
  width: min(1180px, 100%);
  display: grid;
  justify-items: center;
  text-align: center;
}

.page-hero .eyebrow {
  margin: 0 auto;
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.12);
  color: #c9f4ff;
  font-size: var(--fs-eyebrow);
}

.page-hero h1 {
  max-width: 1040px;
  margin: 22px auto 0;
  color: #d8ecff;
  font-size: var(--fs-page-title);
  line-height: 0.96;
  text-align: center;
  text-shadow: 0 0 42px rgba(0, 153, 255, 0.28);
}

.page-hero p {
  max-width: 760px;
  margin: 22px auto 0;
  color: rgba(221, 238, 255, 0.76);
  font-size: var(--fs-page-subtitle);
  line-height: 1.7;
  text-align: center;
}

.top-strip {
  height: 42px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  padding: 0 24px;
  background: var(--navy);
  color: #d9effb;
  font-size: 14px;
}

.top-strip span {
  color: #ffffff;
  font-weight: 800;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 max(28px, calc((100vw - 1540px) / 2));
  background:
    linear-gradient(90deg, rgba(6, 18, 31, 0.96), rgba(8, 35, 56, 0.88), rgba(64, 52, 48, 0.66)),
    rgba(8, 35, 56, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: rgba(8, 35, 56, 0.08);
  box-shadow: 0 12px 34px rgba(7, 42, 68, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-width: 136px;
  font-weight: 900;
  color: #ffffff;
}

.brand-text {
  color: #ffffff;
  font-size: 18px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0;
  white-space: nowrap;
  transition: color 180ms ease;
}

.site-header.scrolled .brand-text {
  color: #111820;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex: 1;
  height: 100%;
  min-width: 0;
}

.main-nav > a,
.nav-item > a {
  height: 100%;
  display: inline-flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.74);
  font-size: var(--fs-nav);
  font-weight: 700;
  position: relative;
  white-space: nowrap;
  transition: color 200ms ease;
}

.site-header.scrolled .main-nav > a,
.site-header.scrolled .nav-item > a {
  color: rgba(17, 24, 32, 0.78);
}

.main-nav > a::after,
.nav-item > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 15px;
  height: 3px;
  border-radius: 999px;
  background: #0099ff;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms ease;
}

.main-nav > a:hover::after,
.nav-item:hover > a::after,
.nav-item.active > a::after {
  transform: scaleX(1);
}

.main-nav > a:hover,
.nav-item:hover > a {
  color: #0099ff;
}

.site-header.scrolled .main-nav > a:hover,
.site-header.scrolled .nav-item:hover > a {
  color: #0099ff;
}

.nav-item.active > a {
  color: #ffffff;
}

.site-header.scrolled .nav-item.active > a {
  color: #111820;
}

.site-header.scrolled .nav-item.active:hover > a {
  color: #0099ff;
}

.nav-item {
  height: 100%;
  display: flex;
  align-items: center;
}

@media (min-width: 1081px) {
  .main-nav {
    gap: 0;
  }

  .main-nav > .nav-item {
    min-width: 0;
    flex: 1 1 0;
    justify-content: center;
  }
}

.mega-menu {
  position: absolute;
  left: 0;
  right: 0;
  top: 72px;
  display: block;
  padding: 28px max(32px, calc((100vw - 1180px) / 2)) 42px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 50% 0%, rgba(0, 153, 255, 0.18), transparent 36%),
    rgba(6, 13, 26, 0.98);
  background-size: 72px 72px, 72px 72px, auto, auto;
  border: 0;
  border-radius: 0;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav-item:hover .mega-menu,
.nav-item:focus-within .mega-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mega-menu a {
  min-height: 64px;
  display: grid;
  gap: 6px;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.mega-menu a:hover {
  background: transparent;
}

.mega-menu b {
  color: #eaf6ff;
  font-size: var(--fs-section-copy);
}

.mega-menu span {
  color: rgba(221, 238, 255, 0.62);
  font-size: var(--fs-body);
  line-height: 1.5;
}

.preview-title {
  display: none;
}

.preview-title.secondary {
  display: none;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.preview-grid a {
  min-height: 132px;
  padding: 22px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 122, 185, 0.18), rgba(255, 255, 255, 0.035)),
    rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(171, 218, 255, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 18px 44px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
  transition: background 200ms ease, transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.preview-grid a:hover {
  background:
    linear-gradient(135deg, rgba(0, 153, 255, 0.24), rgba(255, 255, 255, 0.055)),
    rgba(255, 255, 255, 0.075);
  border-color: rgba(0, 153, 255, 0.58);
  box-shadow: 0 0 0 1px rgba(0, 153, 255, 0.12), 0 24px 66px rgba(0, 122, 185, 0.18);
  transform: translateY(-2px);
}

.preview-grid.compact a {
  min-height: 72px;
  align-content: center;
}

.preview-grid.compact {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  min-width: 206px;
}

.mobile-menu {
  display: none;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 6px;
  background: #eef6fb;
  color: var(--primary);
  font-weight: 800;
  transition: background 180ms ease, color 180ms ease;
}

.site-header.scrolled .mobile-menu {
  background: rgba(8, 35, 56, 0.06);
  color: #111820;
}

.icon-btn {
  width: auto;
  min-width: 88px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 16px;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.search-glyph {
  width: 16px;
  height: 16px;
  position: relative;
  flex: 0 0 16px;
  border: 2px solid currentColor;
  border-radius: 50%;
  box-sizing: border-box;
  opacity: 0.9;
}

.search-glyph::after {
  content: "";
  width: 7px;
  height: 2px;
  position: absolute;
  right: -5px;
  bottom: -2px;
  border-radius: 999px;
  background: currentColor;
  transform: rotate(45deg);
  transform-origin: left center;
}

.icon-btn:hover {
  background: rgba(0, 153, 255, 0.18);
  transform: translateY(-1px);
}

.site-header.scrolled .icon-btn {
  background: rgba(8, 35, 56, 0.06);
  color: #111820;
}

.store-dropdown {
  position: relative;
  height: 72px;
  display: flex;
  align-items: center;
}

.login-link {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 800;
  transition: color 200ms ease;
}

.site-header.scrolled .login-link {
  color: rgba(17, 24, 32, 0.78);
}

.login-link:hover {
  color: #0099ff;
}

.store-dropdown > button {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.48);
  background: transparent;
  color: #ffffff;
  font-weight: 800;
  transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}

.site-header.scrolled .store-dropdown > button {
  border-color: rgba(17, 24, 32, 0.62);
  color: #111820;
}

.store-dropdown > button:hover {
  color: #0099ff;
  border-color: #0099ff;
}

.store-dropdown span {
  font-size: 11px;
}

.store-menu {
  position: absolute;
  top: 72px;
  left: 50%;
  right: auto;
  width: 160px;
  display: grid;
  padding: 10px;
  border-radius: 8px;
  background: rgba(6, 13, 26, 0.96);
  border: 1px solid rgba(171, 218, 255, 0.18);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.26);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -6px);
  transition: opacity 200ms ease, transform 200ms ease;
}

.site-header.scrolled .store-menu {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(8, 35, 56, 0.1);
  box-shadow: 0 18px 46px rgba(7, 42, 68, 0.12);
}

.store-dropdown:hover .store-menu,
.store-dropdown:focus-within .store-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.store-menu a {
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.84);
  font-weight: 800;
  text-align: center;
}

.site-header.scrolled .store-menu a {
  color: rgba(17, 24, 32, 0.78);
}

.store-menu a:hover {
  background: rgba(0, 153, 255, 0.14);
  color: #0099ff;
}

.primary-btn,
.ghost-btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  padding: 0 22px;
  font-weight: 900;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.primary-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #ffffff;
  box-shadow: 0 14px 32px rgba(0, 122, 185, 0.24);
}

.primary-btn.small {
  min-height: 44px;
  padding: 0 22px;
  border-radius: 8px;
}

.ghost-btn {
  color: var(--primary);
  background: #ffffff;
  border: 1px solid rgba(0, 122, 185, 0.22);
}

.primary-btn:hover,
.ghost-btn:hover,
.product-card:hover,
.solution-card:hover,
.fit-card:hover {
  transform: translateY(-4px);
}

.hero {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 116px max(24px, calc((100vw - 1180px) / 2)) 92px;
  background: transparent;
  color: #ffffff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  display: block;
  background:
    linear-gradient(90deg, rgba(3, 11, 22, 0.72) 0%, rgba(4, 20, 36, 0.42) 48%, rgba(3, 10, 20, 0.14) 100%),
    linear-gradient(180deg, rgba(1, 8, 17, 0.08), rgba(1, 10, 22, 0.24)),
    url("../assets/home-hero-rain-wiper.png") center center / cover no-repeat;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  max-width: none;
  display: grid;
  justify-items: center;
  padding-bottom: 0;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 34px;
  border-radius: 999px;
  padding: 0 14px;
  background: rgba(0, 122, 185, 0.1);
  color: var(--primary);
  font-size: var(--fs-eyebrow);
  font-weight: 900;
  letter-spacing: 0;
}

.eyebrow.light {
  background: rgba(255, 255, 255, 0.12);
  color: #c9f4ff;
}

.hero .eyebrow {
  margin: 0 auto;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.12);
  color: #c9f4ff;
}

.hero h1 {
  max-width: 1040px;
  margin: 22px auto 0;
  color: #d8ecff;
  font-size: var(--fs-page-title);
  line-height: 0.96;
  text-align: center;
  text-shadow: 0 0 42px rgba(0, 153, 255, 0.28);
}

h1 {
  margin-top: 18px;
  max-width: 760px;
  font-size: var(--fs-page-title);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  font-size: var(--fs-section-title);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  font-size: var(--fs-card-title);
  line-height: 1.25;
}

.hero-lead {
  max-width: 760px;
  margin: 22px auto 0;
  color: rgba(221, 238, 255, 0.76);
  font-size: var(--fs-page-subtitle);
  line-height: 1.7;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.quick-match {
  position: relative;
  z-index: 2;
  width: min(660px, 100%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
  margin-top: 34px;
  padding: 18px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
  color: var(--text);
}

.quick-match label,
.selector-panel label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

select,
input {
  width: 100%;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0 14px;
  background: #ffffff;
  color: var(--text);
}

select:focus,
input:focus {
  outline: 0;
  border-color: rgba(0, 122, 185, 0.45);
  box-shadow: 0 0 0 4px rgba(0, 122, 185, 0.12);
}

.section {
  padding: 86px max(24px, calc((100vw - 1180px) / 2));
}

.section-head {
  max-width: 780px;
  display: grid;
  gap: 14px;
  margin-bottom: 32px;
}

.section-head p:not(.eyebrow) {
  color: var(--muted);
  font-size: var(--fs-section-copy);
  line-height: 1.7;
}

.section-head.split {
  max-width: none;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.solution-card {
  grid-column: span 3;
  min-height: 286px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 34px 30px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.solution-card:hover {
  box-shadow: var(--shadow-hover);
}

.solution-card.featured {
  grid-column: span 6;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(0, 122, 185, 0.08), rgba(255, 255, 255, 0.92)),
    #ffffff;
}

.solution-card small {
  order: 3;
  margin-top: auto;
  color: #a2a8ad;
  font-size: 16px;
  font-weight: 700;
}

.solution-card.featured small,
.solution-card.featured p {
  color: var(--muted);
}

.solution-card p {
  color: var(--muted);
  line-height: 1.65;
}

.solution-card::after {
  content: "查看更多 >";
  order: 4;
  color: #a2a8ad;
  font-size: 15px;
  font-weight: 800;
}

.icon {
  width: 82px;
  height: 82px;
  border-radius: 0;
  display: block;
  position: relative;
  background: transparent;
  color: #66696c;
  transition: transform 180ms ease;
}

.solution-card:hover .icon {
  transform: translateY(-2px);
}

.cert-section {
  background: transparent;
  color: #ffffff;
}

.cert-section .section-head p:not(.eyebrow) {
  color: #b0c4de;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.cert-card {
  min-height: 274px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 24px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 102, 204, 0.15);
  box-shadow: 0 4px 24px rgba(0, 102, 204, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  transform: translateY(18px);
  animation: certFadeIn 520ms ease forwards;
  transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease;
}

.cert-card:nth-child(2) { animation-delay: 100ms; }
.cert-card:nth-child(3) { animation-delay: 200ms; }
.cert-card:nth-child(4) { animation-delay: 300ms; }
.cert-card:nth-child(5) { animation-delay: 400ms; }
.cert-card:nth-child(6) { animation-delay: 500ms; }
.cert-card:nth-child(7) { animation-delay: 600ms; }
.cert-card:nth-child(8) { animation-delay: 700ms; }

.cert-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 102, 204, 0.3);
  box-shadow: 0 12px 40px rgba(0, 102, 204, 0.2);
}

.cert-icon {
  width: 64px;
  height: 64px;
  color: #0099ff;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cert-card h3 {
  color: #ffffff;
  font-size: var(--fs-card-title);
  font-weight: 600;
}

.source-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(0, 153, 255, 0.14);
  color: #bfe6ff;
  font-size: var(--fs-caption);
  font-weight: 800;
}

.cert-actions {
  width: 100%;
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.cert-action {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: 8px;
  color: #ffffff;
  font-size: var(--fs-body);
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.cert-action.primary {
  background: linear-gradient(135deg, #0066cc, #0099ff);
}

.cert-action.outline {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.42);
}

.cert-action:hover {
  transform: scale(1.02);
}

@keyframes certFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.icon::before,
.icon::after {
  content: "";
  position: absolute;
}

.icon.search::before {
  width: 46px;
  height: 46px;
  border: 5px solid currentColor;
  border-radius: 50%;
  left: 9px;
  top: 6px;
  color: currentColor;
}

.icon.search::after {
  width: 28px;
  height: 5px;
  border-radius: 999px;
  background: currentColor;
  left: 49px;
  top: 53px;
  transform: rotate(45deg);
  color: currentColor;
}

.icon.wind::before,
.icon.wind::after {
  width: 62px;
  height: 5px;
  border-radius: 999px;
  background: currentColor;
  left: 8px;
}

.icon.wind::before {
  top: 25px;
  transform: rotate(-8deg);
}

.icon.wind::after {
  top: 45px;
  transform: rotate(-8deg);
}

.icon.filter {
  background: transparent;
}

.icon.filter::before {
  inset: 10px 18px;
  border-radius: 8px;
  border: 5px solid currentColor;
  background: repeating-linear-gradient(90deg, transparent 0 8px, currentColor 8px 12px);
  opacity: 0.95;
}

.icon.briefcase {
  background: transparent;
}

.icon.briefcase::before {
  width: 58px;
  height: 42px;
  left: 12px;
  top: 26px;
  border-radius: 7px;
  border: 5px solid currentColor;
  background: transparent;
}

.icon.briefcase::after {
  width: 24px;
  height: 12px;
  left: 29px;
  top: 16px;
  border: 5px solid currentColor;
  border-bottom: 0;
  border-radius: 7px 7px 0 0;
}

.icon.shield {
  background: transparent;
}

.icon.shield::before {
  width: 50px;
  height: 58px;
  left: 16px;
  top: 9px;
  border: 5px solid currentColor;
  border-radius: 26px 26px 18px 18px;
  background: transparent;
}

.icon.shield::after {
  width: 28px;
  height: 5px;
  left: 27px;
  top: 39px;
  background: currentColor;
  transform: rotate(-45deg);
}

.icon.book {
  background: transparent;
}

.icon.book::before {
  width: 54px;
  height: 58px;
  left: 14px;
  top: 10px;
  border-radius: 7px;
  border: 5px solid currentColor;
  border-left-width: 9px;
}

.icon.book::after {
  width: 28px;
  height: 5px;
  left: 34px;
  top: 28px;
  border-radius: 999px;
  background: currentColor;
}

.icon.bag::before {
  width: 48px;
  height: 42px;
  left: 17px;
  top: 27px;
  border-radius: 7px;
  border: 5px solid currentColor;
  background: transparent;
}

.icon.bag::after {
  width: 24px;
  height: 14px;
  left: 29px;
  top: 14px;
  border: 5px solid currentColor;
  border-bottom: 0;
  border-radius: 999px 999px 0 0;
}

.segmented,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.segmented button,
.chip-row button {
  min-height: 40px;
  padding: 0 15px;
  border-radius: 7px;
  background: #ffffff;
  border: 1px solid var(--line);
  color: var(--muted);
  font-weight: 900;
}

.segmented button.active,
.chip-row button.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.product-line {
  background: #ffffff;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: 18px;
  border-radius: 8px;
  background: #f7fafc;
  border: 1px solid var(--line);
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.product-card.hidden {
  display: none;
}

.product-card:hover {
  box-shadow: var(--shadow-hover);
}

.product-card span {
  color: var(--soft);
  font-size: 13px;
  font-weight: 900;
}

.product-card p {
  color: var(--muted);
  line-height: 1.55;
}

.product-card a {
  margin-top: auto;
  color: var(--primary);
  font-weight: 900;
}

.product-visual,
.fit-image,
.product-hero-image {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.product-visual {
  min-height: 150px;
}

.product-visual.wiper::before,
.product-visual.wiper::after,
.fit-image.wiper::before,
.fit-image.wiper::after,
.product-hero-image.wiper::before,
.product-hero-image.wiper::after {
  content: "";
  position: absolute;
  height: 13px;
  border-radius: 999px;
  transform: rotate(-12deg);
}

.product-visual.wiper::before,
.fit-image.wiper::before,
.product-hero-image.wiper::before {
  width: 66%;
  left: 14%;
  bottom: 45%;
  background: #0c1720;
}

.product-visual.wiper::after,
.fit-image.wiper::after,
.product-hero-image.wiper::after {
  width: 45%;
  right: 9%;
  bottom: 53%;
  background: var(--primary);
}

.product-visual.cabin::before,
.fit-image.cabin::before,
.product-visual.air::before,
.fit-image.air::before {
  content: "";
  position: absolute;
  inset: 28px 34px;
  border-radius: 8px;
}

.product-visual.cabin::before,
.fit-image.cabin::before {
  background: repeating-linear-gradient(90deg, #fff 0 9px, #bce4f4 9px 17px);
  box-shadow: 0 12px 28px rgba(7, 42, 68, 0.12);
}

.product-visual.air::before,
.fit-image.air::before {
  background: repeating-linear-gradient(0deg, #fff 0 8px, #d5e2eb 8px 15px);
  box-shadow: 0 12px 28px rgba(7, 42, 68, 0.12);
}

.selector-section {
  background:
    radial-gradient(circle at 8% 12%, rgba(25, 198, 181, 0.12), transparent 26%),
    linear-gradient(180deg, #f5f8fb, #eef6fb);
}

.selector-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: 24px;
}

.selector-panel,
.hot-panel,
.match-summary,
.fit-card,
.partner-login,
.resource-panel,
.article-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(7, 42, 68, 0.06);
}

.selector-panel {
  display: grid;
  gap: 18px;
  padding: 28px;
}

.full {
  width: 100%;
}

.hot-panel {
  padding: 28px;
}

.hot-panel h3 {
  margin-bottom: 18px;
}

.hot-panel button {
  width: 100%;
  min-height: 88px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  align-items: center;
  margin-bottom: 14px;
  padding: 16px 18px;
  border-radius: 8px;
  background: #f4f8fb;
  text-align: left;
}

.hot-panel b {
  font-size: var(--fs-card-title);
}

.hot-panel span {
  color: var(--muted);
}

.hot-panel em {
  grid-row: span 2;
  padding: 7px 10px;
  border-radius: 999px;
  background: #eaf7ee;
  color: var(--green);
  font-style: normal;
  font-weight: 900;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.stat-row article {
  min-height: 140px;
  display: grid;
  place-items: center;
  gap: 6px;
  padding: 24px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid var(--line);
}

.stat-row strong {
  color: var(--primary);
  font-size: var(--fs-stat);
  line-height: 1;
}

.stat-row span {
  color: var(--muted);
  font-weight: 900;
}

.match-section {
  background: #ffffff;
}

.match-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  margin-bottom: 22px;
}

.match-summary h2 {
  margin: 12px 0 8px;
  font-size: var(--fs-section-title);
}

.match-summary p {
  color: var(--muted);
}

.match-summary b {
  color: var(--primary);
}

.fit-list {
  display: grid;
  gap: 16px;
}

.fit-card {
  min-height: 160px;
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 20px;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.fit-card:hover {
  box-shadow: var(--shadow-hover);
}

.fit-image {
  height: 110px;
}

.fit-card p {
  margin-top: 8px;
  color: var(--muted);
}

.fit-card p span,
.badge-row span {
  display: inline-flex;
  margin-left: 8px;
  padding: 5px 9px;
  border-radius: 999px;
  background: #eaf7ee;
  color: #337a42;
  font-size: 13px;
  font-weight: 900;
}

.fit-actions {
  display: grid;
  gap: 10px;
}

.detail-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
  gap: 38px;
  align-items: center;
}

.detail-visual {
  min-height: 520px;
  border-radius: 8px;
  background:
    radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.9), transparent 24%),
    linear-gradient(135deg, #d9f1fb, #ffffff);
  display: grid;
  place-items: center;
}

.product-hero-image {
  width: min(580px, 86%);
  height: 310px;
  box-shadow: 0 32px 80px rgba(7, 42, 68, 0.14);
}

.detail-copy {
  display: grid;
  gap: 18px;
}

.detail-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: var(--fs-section-copy);
  line-height: 1.7;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge-row span {
  margin-left: 0;
}

.accordion {
  border-top: 1px solid var(--line);
}

.accordion button {
  width: 100%;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-weight: 900;
}

.accordion button::after {
  content: "+";
  color: var(--primary);
  font-size: 20px;
}

.accordion button.open::after {
  content: "-";
}

.accordion div {
  display: none;
  padding: 14px 0 20px;
  color: var(--muted);
  line-height: 1.65;
}

.accordion div.show {
  display: block;
}

.quality-band,
.factory-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 44px;
  padding: 96px max(24px, calc((100vw - 1180px) / 2));
  background: transparent;
  color: #ffffff;
}

.quality-copy {
  display: grid;
  gap: 16px;
}

.quality-copy p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--fs-section-copy);
  line-height: 1.7;
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.quality-grid article {
  min-height: 210px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  padding: 24px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(16px);
}

.quality-grid strong {
  font-size: var(--fs-stat);
}

.factory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.factory-card {
  overflow: hidden;
  min-height: 268px;
  display: grid;
  grid-template-rows: 1fr auto;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.factory-photo {
  min-height: 210px;
  position: relative;
  overflow: hidden;
  border-radius: 12px 12px 0 0;
  background:
    linear-gradient(135deg, rgba(0, 153, 255, 0.16), rgba(0, 212, 170, 0.1)),
    #0a1628;
  transform: scale(1);
  transition: transform 300ms ease;
}

.factory-photo img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  display: block;
  object-fit: cover;
}

.factory-card:hover .factory-photo {
  transform: scale(1.05);
}

.factory-card p {
  padding: 16px 18px 18px;
  color: #ffffff;
  font-weight: 900;
}

.bottom-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  background: transparent;
}

.stat-card {
  min-height: 234px;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 24px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 102, 204, 0.15);
  box-shadow: 0 4px 24px rgba(0, 102, 204, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.stat-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  margin-bottom: 6px;
  border-radius: 10px;
  background: rgba(0, 153, 255, 0.12);
  color: #0099ff;
  font-weight: 900;
}

.stat-card strong {
  color: #ffffff;
  font-size: var(--fs-stat);
  line-height: 1;
  font-weight: 800;
}

.stat-card b {
  color: #b0c4de;
  font-size: var(--fs-body);
}

.stat-card p {
  color: #6b8299;
  font-size: var(--fs-caption);
  line-height: 1.55;
}

.stat-card i {
  width: 100%;
  height: 4px;
  display: block;
  overflow: hidden;
  margin-top: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.stat-card i::before {
  content: "";
  display: block;
  width: var(--progress);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #0066cc, #0099ff);
}

.product-catalog-page {
  background: var(--site-bg);
  background-size: var(--site-bg-size);
}

.product-center-workspace {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  background: transparent;
  color: #ffffff;
}

.product-filter-panel {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 16px;
  padding: 22px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 102, 204, 0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.filter-group {
  display: grid;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.filter-group summary {
  color: #6b8299;
  font-size: var(--fs-caption);
  font-weight: 900;
  text-transform: uppercase;
  cursor: pointer;
}

.filter-select,
.cascade-grid select {
  width: 100%;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: #b0c4de;
  font-size: var(--fs-body);
}

.cascade-grid {
  display: grid;
  gap: 8px;
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-tags button {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #b0c4de;
  font-size: var(--fs-body);
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.filter-tags button.active {
  background: #0066cc;
  border-color: #0066cc;
  color: #ffffff;
}

.filter-reset {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.44);
  color: #ffffff;
  font-weight: 900;
}

.product-results {
  min-width: 0;
}

.product-results-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}

.product-results-head p {
  color: #b0c4de;
  font-weight: 800;
}

.active-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.active-filter-row span {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(0, 153, 255, 0.14);
  color: #bfe6ff;
  font-size: var(--fs-caption);
  font-weight: 900;
}

.sort-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #b0c4de;
  font-size: var(--fs-body);
  font-weight: 900;
  white-space: nowrap;
}

.sort-control span {
  white-space: nowrap;
}

.sort-control select {
  min-height: 38px;
  min-width: 180px;
  padding: 0 46px 0 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  appearance: none;
  -webkit-appearance: none;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%23B0C4DE' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") right 18px center / 12px 8px no-repeat,
    rgba(255, 255, 255, 0.05);
  color: #b0c4de;
  font-weight: 800;
}

.pc-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 484px;
  align-items: start;
  gap: 20px;
  transition: opacity 300ms ease, transform 300ms ease;
}

.pc-product-grid.is-filtering {
  opacity: 0.42;
  transform: translateY(6px);
}

.pc-product-card {
  height: 484px;
  min-height: 484px;
  max-height: 484px;
  display: grid;
  grid-template-rows: 200px 28px 48px 46px 24px 40px;
  gap: 12px;
  padding: 18px;
  box-sizing: border-box;
  overflow: hidden;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 102, 204, 0.15);
  box-shadow: 0 4px 24px rgba(0, 102, 204, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease, opacity 300ms ease;
}

.pc-product-card.hidden {
  display: none;
}

.pc-product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 102, 204, 0.3);
  box-shadow: 0 12px 40px rgba(0, 102, 204, 0.2);
}

.pc-product-visual {
  height: 200px;
  min-height: 200px;
  max-height: 200px;
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
}

.pc-product-visual::before,
.pc-product-visual::after {
  content: "";
  position: absolute;
}

.pc-product-visual.wiper::before {
  width: 78%;
  height: 16px;
  left: 11%;
  top: 46%;
  border-radius: 999px;
  background: #11283b;
  transform: rotate(-12deg);
  box-shadow: 0 18px 0 #1d425c;
}

.pc-product-visual.wiper::after {
  width: 18px;
  height: 96px;
  left: 50%;
  top: 42%;
  border-radius: 999px;
  background: #0099ff;
  transform: rotate(62deg);
  opacity: 0.65;
}

.pc-product-visual.cabin::before,
.pc-product-visual.air::before {
  inset: 38px 34px;
  border-radius: 12px;
  background:
    repeating-linear-gradient(90deg, #ffffff 0 8px, #b6d4e5 8px 12px),
    #ffffff;
  border: 8px solid #1d8fc7;
  box-shadow: 0 18px 36px rgba(0, 102, 204, 0.16);
}

.pc-product-visual.cabin.nano::before {
  border-color: #00d4aa;
}

.pc-product-visual.air::before {
  border-color: #4b7da7;
  transform: perspective(300px) rotateX(10deg);
}

.pc-product-visual.air.oe::before {
  border-color: #6b8299;
}

.tag-line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  height: 28px;
  min-height: 28px;
  max-height: 28px;
  overflow: hidden;
  align-content: center;
  align-items: center;
}

.tag-line span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(0, 153, 255, 0.14);
  color: #bfe6ff;
  font-size: var(--fs-caption);
  font-weight: 800;
}

.pc-product-card h3 {
  height: 48px;
  min-height: 48px;
  max-height: 48px;
  margin: 0;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  color: #ffffff;
  font-size: var(--fs-card-title);
  line-height: 1.32;
  font-weight: 600;
}

.pc-product-card p {
  height: 46px;
  min-height: 46px;
  max-height: 46px;
  margin: 0;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  color: #b0c4de;
  font-size: var(--fs-body);
  line-height: 1.65;
}

.pc-product-card strong {
  height: 24px;
  display: flex;
  align-items: center;
  align-self: center;
  color: #00d4aa;
  font-size: var(--fs-card-title);
  line-height: 1;
}

.pc-product-card a {
  height: 40px;
  min-height: 40px;
  max-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.44);
  color: #ffffff;
  font-weight: 900;
  transition: background 180ms ease, border-color 180ms ease;
}

.pc-product-card a:hover {
  background: #0066cc;
  border-color: #0066cc;
}

.product-catalog-page .pc-product-grid {
  grid-auto-rows: 484px;
  align-items: start;
}

.product-catalog-page .pc-product-card {
  height: 484px !important;
  min-height: 484px !important;
  max-height: 484px !important;
  grid-template-rows: 200px 28px 48px 46px 24px 40px !important;
}

.product-catalog-page .pc-product-card > * {
  min-width: 0;
}

.product-catalog-page .pc-product-visual {
  height: 200px !important;
  min-height: 200px;
  max-height: 200px;
}

.product-catalog-page .tag-line {
  height: 28px;
  min-height: 28px;
  max-height: 28px;
}

.product-catalog-page .pc-product-card h3 {
  height: 48px;
  min-height: 48px;
  max-height: 48px;
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  -webkit-line-clamp: unset;
  -webkit-box-orient: initial;
  font-size: 16px;
  line-height: 48px;
}

.product-catalog-page .pc-product-card p {
  height: 46px;
  min-height: 46px;
  max-height: 46px;
}

.product-catalog-page .pc-product-card strong {
  height: 24px;
}

.product-catalog-page .pc-product-card a {
  height: 40px;
  min-height: 40px;
  max-height: 40px;
}

.empty-products {
  display: none;
  min-height: 180px;
  place-items: center;
  margin-top: 20px;
  border-radius: 12px;
  border: 1px dashed rgba(255, 255, 255, 0.22);
  color: #b0c4de;
  font-weight: 900;
}

.empty-products.show {
  display: grid;
}

.product-skeleton {
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.product-skeleton span {
  height: 280px;
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
  background-size: 240% 100%;
  animation: skeletonPulse 1300ms ease infinite;
}

@keyframes skeletonPulse {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.product-recommend {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 16px;
}

.recommend-image {
  min-height: 220px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 28% 30%, rgba(0, 153, 255, 0.28), transparent 30%),
    linear-gradient(135deg, #dff4fb, #ffffff);
  position: relative;
  overflow: hidden;
}

.recommend-image::before {
  content: "";
  position: absolute;
  width: 78%;
  height: 18px;
  left: 11%;
  top: 48%;
  border-radius: 999px;
  background: #11283b;
  transform: rotate(-13deg);
  box-shadow: 0 22px 0 #1d425c;
}

.recommend-card {
  display: grid;
  gap: 10px;
  padding: 20px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 102, 204, 0.15);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.recommend-card span {
  width: fit-content;
  border-radius: 999px;
  padding: 4px 9px;
  background: rgba(0, 212, 170, 0.12);
  color: #00d4aa;
  font-size: 12px;
  font-weight: 900;
}

.recommend-card h3 {
  color: #ffffff;
}

.recommend-card p {
  color: #b0c4de;
  line-height: 1.6;
}

.store-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.store-links a,
.recommend-card > a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: #ffffff;
  font-weight: 900;
}

.recommend-card.insight::after {
  content: "→";
  color: #0099ff;
  font-size: 20px;
  font-weight: 900;
}

.product-center-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  background: transparent;
}

.product-center-stats .stat-card {
  color: inherit;
}

.cta-stat {
  border-color: rgba(0, 212, 170, 0.38);
}

.smart-select-page {
  background: var(--site-bg);
  background-size: var(--site-bg-size);
}

.smart-select-shell {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 0.6fr) minmax(340px, 0.4fr);
  grid-template-areas:
    "hero hero"
    "form recommend";
  gap: 36px;
  align-items: start;
  position: relative;
  overflow: hidden;
  padding: 108px max(24px, calc((100vw - 1180px) / 2)) 96px;
  background: transparent;
  color: #ffffff;
}

.smart-hero-copy {
  grid-area: hero;
  position: relative;
  z-index: 1;
  text-align: center;
}

.smart-hero-copy .eyebrow {
  margin: 0 auto;
  padding: 0 14px;
  font-size: var(--fs-eyebrow);
}

.smart-hero-copy h1 {
  max-width: 1040px;
  margin: 22px auto 0;
  color: #d8ecff;
  font-size: var(--fs-page-title);
  line-height: 0.96;
  text-align: center;
  text-shadow: 0 0 42px rgba(0, 153, 255, 0.28);
}

.smart-hero-copy p {
  max-width: 760px;
  margin: 22px auto 0;
  color: rgba(221, 238, 255, 0.76);
  font-size: var(--fs-page-subtitle);
  line-height: 1.7;
}

.smart-select-copy {
  grid-area: form;
  position: relative;
  z-index: 1;
}

.smart-cascade-form {
  display: grid;
  gap: 16px;
}

.smart-field {
  position: relative;
  display: grid;
  gap: 8px;
  color: #6b8299;
  font-size: var(--fs-caption);
  font-weight: 900;
}

.smart-field span {
  text-transform: uppercase;
}

.smart-field select {
  width: 100%;
  height: 48px;
  padding: 0 46px 0 14px;
  border-radius: 8px;
  border: 1px solid rgba(0, 102, 204, 0.15);
  background: rgba(255, 255, 255, 0.04);
  color: #b0c4de;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: opacity 180ms ease, border-color 180ms ease, background 180ms ease;
}

.smart-field select:disabled {
  opacity: 0.42;
}

.smart-field.selected select {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 153, 255, 0.42);
  color: #ffffff;
}

.smart-field select option {
  background: #0a1628;
  color: #b0c4de;
}

.smart-match-btn {
  width: 100%;
  height: 56px;
  margin-top: 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.48);
  font-weight: 900;
  transition: background 180ms ease, box-shadow 180ms ease, transform 180ms ease, color 180ms ease;
}

.smart-match-btn:not(:disabled) {
  background: linear-gradient(135deg, #0066cc, #0099ff);
  color: #ffffff;
  animation: smartPulse 1800ms ease-in-out infinite;
}

.smart-match-btn:not(:disabled):hover {
  box-shadow: 0 0 0 4px rgba(0, 153, 255, 0.16), 0 16px 40px rgba(0, 102, 204, 0.28);
  transform: translateY(-1px);
}

@keyframes smartPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 153, 255, 0.22); }
  50% { box-shadow: 0 0 0 8px rgba(0, 153, 255, 0.04); }
}

.recommend-stack {
  grid-area: recommend;
  position: sticky;
  top: 96px;
  z-index: 1;
  display: grid;
  gap: 16px;
}

.recommend-product-card {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 102, 204, 0.15);
  box-shadow: 0 4px 24px rgba(0, 102, 204, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.recommend-product-visual {
  height: 144px;
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
}

.recommend-product-visual::before,
.recommend-product-visual::after {
  content: "";
  position: absolute;
}

.recommend-product-visual.wiper::before {
  width: 76%;
  height: 14px;
  left: 12%;
  top: 43%;
  border-radius: 999px;
  background: #11283b;
  transform: rotate(-13deg);
  box-shadow: 0 18px 0 #1d425c;
}

.recommend-product-visual.cabin::before,
.recommend-product-visual.air::before {
  inset: 26px 46px;
  border-radius: 12px;
  background: repeating-linear-gradient(90deg, #ffffff 0 8px, #b6d4e5 8px 12px);
  border: 7px solid #1d8fc7;
}

.recommend-product-visual.air::before {
  border-color: #4b7da7;
}

.recommend-product-card h3 {
  color: #ffffff;
  font-size: var(--fs-card-title);
}

.product-visual::before,
.product-visual::after,
.fit-image::before,
.fit-image::after,
.product-hero-image::before,
.product-hero-image::after,
.pc-product-visual::before,
.pc-product-visual::after,
.recommend-product-visual::before,
.recommend-product-visual::after {
  content: none !important;
  display: none !important;
}

.recommend-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.recommend-actions a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  color: #ffffff;
  font-weight: 900;
}

.car-wireframe {
  display: none;
}

.car-wireframe::before,
.car-wireframe::after {
  content: "";
  position: absolute;
  border: 2px solid rgba(0, 153, 255, 0.22);
}

.car-wireframe::before {
  left: 18%;
  right: 18%;
  top: -24%;
  height: 72%;
  border-radius: 56% 56% 8% 8%;
}

.car-wireframe::after {
  left: 12%;
  right: 12%;
  bottom: -18%;
  height: 34%;
  border-radius: 999px;
}

@keyframes carFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.smart-select-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  background: transparent;
}

.quality-grid span {
  color: rgba(255, 255, 255, 0.76);
  font-weight: 900;
}

.article-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.article-list article {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
}

.article-list p {
  color: var(--muted);
  line-height: 1.6;
}

.article-list span {
  margin-top: auto;
  color: var(--soft);
  font-weight: 900;
}

.partner-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr);
  gap: 24px;
  background: #ffffff;
}

.partner-login,
.resource-panel {
  padding: 28px;
}

.partner-login {
  display: grid;
  gap: 14px;
}

.resource-panel {
  background:
    linear-gradient(135deg, rgba(0, 122, 185, 0.08), rgba(25, 198, 181, 0.08)),
    #ffffff;
}

.resource-panel h3 {
  margin-bottom: 16px;
}

.resource-panel ul {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.resource-panel li {
  list-style: none;
  min-height: 64px;
  display: flex;
  align-items: center;
  padding: 0 18px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid var(--line);
  color: var(--muted);
  font-weight: 900;
}

.store-band {
  min-height: 160px;
  display: grid;
  place-items: center;
  gap: 14px;
  padding: 36px 24px;
  background: #eef6fb;
  text-align: center;
}

.store-band p {
  color: var(--muted);
  font-size: var(--fs-section-copy);
  font-weight: 900;
}

.store-band div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.store-band a {
  min-width: 108px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  background: #ffffff;
  border: 1px solid var(--line);
  color: var(--primary);
  font-weight: 900;
}

/* 智能选型结果页 */
.fit-result-page {
  background: var(--site-bg);
  background-size: var(--site-bg-size);
  color: #ffffff;
}

.fit-result-main {
  min-height: calc(100vh - 72px);
}

.fit-result-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 112px 0 96px;
}

.fit-result-summary {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 168px;
  padding: 30px 34px;
  border: 1px solid rgba(0, 153, 255, 0.26);
  border-radius: 18px;
  background:
    radial-gradient(circle at 92% 12%, rgba(0, 153, 255, 0.2), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.035));
  box-shadow: 0 18px 60px rgba(0, 102, 204, 0.14);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.fit-result-summary::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: 80px;
  top: -150px;
  border: 1px solid rgba(0, 212, 170, 0.22);
  border-radius: 50%;
  box-shadow: 0 0 80px rgba(0, 153, 255, 0.16);
}

.fit-result-summary > * {
  position: relative;
  z-index: 1;
}

.fit-result-summary .eyebrow {
  min-height: 28px;
  padding: 0 12px;
  font-size: var(--fs-eyebrow);
}

.fit-result-summary h1 {
  margin: 16px 0 8px;
  color: #e7f4ff;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.16;
  text-shadow: 0 0 36px rgba(0, 153, 255, 0.2);
}

.fit-result-summary p {
  color: #b0c4de;
  font-size: var(--fs-body);
}

.fit-result-summary p strong {
  color: #00d4aa;
  font-size: 20px;
}

.fit-reset-button {
  min-width: 116px;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.48);
  border-radius: 9px;
  color: #ffffff;
  font-weight: 900;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.fit-reset-button:hover {
  background: #0066cc;
  border-color: #0066cc;
  transform: translateY(-1px);
}

.fit-result-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin: 48px 0 20px;
}

.fit-result-heading span {
  color: #63c8ff;
  font-size: var(--fs-eyebrow);
  font-weight: 900;
  letter-spacing: 0.1em;
}

.fit-result-heading h2 {
  margin-top: 8px;
  color: #ffffff;
  font-size: 26px;
}

.fit-result-heading p {
  color: #8ea9c4;
  font-size: var(--fs-caption);
  font-weight: 800;
}

.fit-result-list {
  display: grid;
  gap: 16px;
}

.fit-result-card {
  min-height: 142px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 126px;
  align-items: center;
  gap: 22px;
  padding: 18px 20px;
  border: 1px solid rgba(0, 153, 255, 0.2);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.045);
  box-shadow: 0 8px 30px rgba(0, 102, 204, 0.1);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.fit-result-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 153, 255, 0.42);
  background: rgba(255, 255, 255, 0.065);
}

.fit-result-visual {
  width: 140px;
  height: 116px;
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(0, 153, 255, 0.12), transparent 70%),
    rgba(255, 255, 255, 0.055);
}

.fit-result-visual::before,
.fit-result-visual::after {
  content: "";
  position: absolute;
}

.fit-result-visual.wiper::before {
  width: 94px;
  height: 9px;
  left: 23px;
  top: 52px;
  border-radius: 999px;
  background: #c6e9ff;
  transform: rotate(-10deg);
  box-shadow: 0 15px 0 rgba(0, 153, 255, 0.68);
}

.fit-result-visual.wiper::after {
  width: 9px;
  height: 58px;
  left: 67px;
  top: 44px;
  border-radius: 999px;
  background: #00d4aa;
  transform: rotate(64deg);
}

.fit-result-visual.cabin::before,
.fit-result-visual.air::before {
  inset: 25px 25px;
  border: 6px solid #0099ff;
  border-radius: 8px;
  background: repeating-linear-gradient(90deg, #dff4ff 0 7px, #87c8e7 7px 10px);
  box-shadow: 0 12px 28px rgba(0, 153, 255, 0.2);
}

.fit-result-visual.air::before {
  border-color: #00d4aa;
  transform: perspective(240px) rotateX(12deg);
}

.fit-result-copy {
  min-width: 0;
}

.fit-category {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(0, 153, 255, 0.15);
  color: #bfe6ff;
  font-size: var(--fs-eyebrow);
  font-weight: 900;
}

.fit-result-copy h3 {
  margin: 10px 0 8px;
  color: #ffffff;
  font-size: 20px;
  line-height: 1.35;
}

.fit-result-copy p {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  color: #8ea9c4;
  font-size: var(--fs-caption);
}

.fit-result-copy p b {
  margin-right: 6px;
  color: #b0c4de;
}

.fit-result-copy p em {
  padding: 4px 9px;
  border-radius: 6px;
  background: rgba(0, 212, 170, 0.14);
  color: #8debd4;
  font-style: normal;
  font-weight: 800;
}

.fit-result-copy small {
  display: block;
  margin-top: 8px;
  color: #718ca8;
  font-size: var(--fs-caption);
}

.fit-result-actions {
  display: grid;
  gap: 10px;
}

.fit-result-actions a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  color: #ffffff;
  font-weight: 900;
}

.fit-result-actions a.primary {
  border-color: transparent;
  background: linear-gradient(135deg, #0066cc, #0099ff);
  box-shadow: 0 8px 24px rgba(0, 102, 204, 0.2);
}

.fit-result-actions a:hover {
  border-color: #00d4aa;
}

.fit-result-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.fit-result-stats .stat-card {
  min-height: 210px;
}

.fit-geo-panel {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 28px;
  margin-top: 18px;
  padding: 24px 28px;
  border: 1px solid rgba(0, 153, 255, 0.45);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.12), rgba(0, 212, 170, 0.055));
}

.fit-geo-panel dl {
  display: grid;
  gap: 8px;
}

.fit-geo-panel dl div {
  min-width: 0;
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 10px;
}

.fit-geo-panel dt {
  color: #63c8ff;
  font-weight: 900;
}

.fit-geo-panel dd {
  min-width: 0;
  overflow-wrap: anywhere;
  color: #9fb8d1;
}

@media (max-width: 820px) {
  .fit-result-summary,
  .fit-result-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .fit-result-card {
    grid-template-columns: 1fr;
  }

  .fit-result-actions {
    grid-column: auto;
    grid-template-columns: 1fr 1fr;
  }

  .fit-result-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .fit-result-shell {
    width: calc(100% - 36px);
    padding: 82px 0 64px;
  }

  .fit-result-summary {
    min-height: auto;
    padding: 24px 20px;
  }

  .fit-reset-button {
    width: 100%;
  }

  .fit-result-heading {
    margin-top: 38px;
  }

  .fit-result-card {
    grid-template-columns: 1fr;
    padding: 16px;
  }

  .fit-result-actions {
    grid-column: auto;
  }

  .fit-result-stats {
    grid-template-columns: 1fr;
  }
}

.site-footer {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 42px;
  padding: 72px max(24px, calc((100vw - 1180px) / 2));
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 50% 0%, rgba(0, 153, 255, 0.14), transparent 36%),
    #050b16;
  background-size: 78px 78px, 78px 78px, auto, auto;
  color: #ffffff;
}

.footer-brand {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer-brand strong {
  font-size: 24px;
}

.footer-brand span {
  color: rgba(255, 255, 255, 0.68);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.footer-grid div {
  display: grid;
  gap: 10px;
}

.footer-grid b {
  margin-bottom: 8px;
}

.footer-grid a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-global {
  grid-column: 1 / -1;
  display: grid;
  gap: 18px;
  margin-top: 22px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-service-row,
.footer-policy-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.footer-service-row {
  gap: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  font-weight: 700;
}

.footer-service-row > * {
  display: inline-flex;
  align-items: center;
}

.footer-service-row > * + *::before,
.footer-policy-links > * + *::before {
  content: "";
  width: 1px;
  height: 14px;
  display: inline-block;
  margin: 0 16px;
  background: rgba(255, 255, 255, 0.2);
}

.footer-service-row a,
.footer-policy-links a {
  color: inherit;
}

.footer-service-row a:hover,
.footer-policy-links a:hover {
  color: #63c8ff;
}

.footer-global-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
}

.footer-policy-links {
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
}

.footer-channel-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-channel-link {
  min-width: 92px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
  color: rgba(255, 255, 255, 0.72);
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms ease;
}

.footer-channel-link:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.075);
  transform: translateY(-1px);
}

.footer-channel-mark {
  min-width: 30px;
  font-size: 16px;
  line-height: 1;
  font-weight: 950;
  letter-spacing: -0.04em;
  text-align: center;
}

.footer-channel-link.tmall .footer-channel-mark {
  color: #ff3152;
  font-size: 11px;
  letter-spacing: 0.02em;
}

.footer-channel-link.jd .footer-channel-mark {
  color: #f0443a;
}

.footer-channel-link.douyin .footer-channel-mark {
  color: #ffffff;
  text-shadow: -2px 0 #25f4ee, 2px 0 #fe2c55;
}

.footer-channel-name {
  font-size: 12px;
  font-weight: 800;
}

.footer-copyright {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 20px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 12px;
  line-height: 1.6;
}

.footer-copyright a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-copyright a:hover {
  color: #63c8ff;
}

@media (max-width: 820px) {
  .footer-global-main {
    grid-template-columns: 1fr;
  }

  .footer-channel-links {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .footer-service-row,
  .footer-policy-links {
    display: grid;
    gap: 10px;
  }

  .footer-service-row > * + *::before,
  .footer-policy-links > * + *::before {
    display: none;
  }

  .footer-channel-links {
    display: grid;
    grid-template-columns: 1fr;
  }

  .footer-channel-link {
    width: 100%;
  }
}

.search-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: start center;
  padding: 110px 24px 24px;
  background: rgba(8, 35, 56, 0.42);
  backdrop-filter: blur(10px);
}

.search-modal.open {
  display: grid;
}

.search-box {
  width: min(720px, 100%);
  display: grid;
  gap: 16px;
  padding: 28px 72px 28px 28px;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
  position: relative;
}

.search-box button {
  position: absolute;
  right: 18px;
  top: 14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #eef6fb;
  color: var(--primary);
  font-size: 20px;
}

.search-box p {
  color: var(--muted);
}

.search-box input {
  padding-right: 18px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 120;
  width: min(480px, calc(100% - 40px));
  padding: 14px 18px;
  border-radius: 8px;
  background: var(--navy);
  color: #ffffff;
  text-align: center;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translate(-50%, 16px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 90;
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #f4f4f4;
  color: #222222;
  box-shadow: 0 16px 42px rgba(7, 42, 68, 0.12);
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px) scale(0.96);
  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease;
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  background: #ffffff;
  transform: translateY(-2px) scale(1);
}

.back-to-top span {
  width: 24px;
  height: 24px;
  border-top: 4px solid currentColor;
  border-left: 4px solid currentColor;
  transform: translateY(6px) rotate(45deg);
  border-radius: 2px;
}

.secondary-body {
  min-height: 100vh;
  background: var(--site-bg);
  background-size: var(--site-bg-size);
  color: #eef7ff;
}

.secondary-header {
  position: sticky;
}

.secondary-nav {
  justify-content: center;
}

.ghost-chip {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  color: #ffffff;
  font-weight: 800;
}

.ghost-chip:hover {
  color: #0099ff;
  border-color: #0099ff;
}

.secondary-page {
  padding: 108px max(24px, calc((100vw - 1180px) / 2)) 90px;
}

.secondary-hero {
  min-height: 330px;
  max-width: 1180px;
  display: grid;
  align-content: center;
  justify-items: center;
  margin: 0 auto 28px;
  text-align: center;
}

.secondary-hero .eyebrow {
  padding: 0 14px;
  font-size: var(--fs-eyebrow);
}

.secondary-hero h1 {
  max-width: 1040px;
  margin: 22px auto 0;
  color: #d8ecff;
  font-size: var(--fs-page-title);
  line-height: 0.96;
  text-shadow: 0 0 42px rgba(0, 153, 255, 0.28);
}

.secondary-hero p:not(.eyebrow) {
  max-width: 760px;
  margin: 22px auto 0;
  color: rgba(221, 238, 255, 0.76);
  font-size: var(--fs-page-subtitle);
  line-height: 1.7;
}

.secondary-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: 22px;
}

.secondary-panel[hidden],
.knowledge-page .secondary-panel,
.geo-page .secondary-panel {
  display: none !important;
}

.secondary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.secondary-card {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 12px;
  padding: 26px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(0, 122, 185, 0.18), rgba(255, 255, 255, 0.035)),
    rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(171, 218, 255, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 18px 44px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(16px);
}

.secondary-card.featured {
  min-height: 458px;
  background:
    radial-gradient(circle at 50% 20%, rgba(0, 153, 255, 0.3), transparent 38%),
    linear-gradient(135deg, rgba(0, 122, 185, 0.2), rgba(255, 255, 255, 0.045)),
    rgba(255, 255, 255, 0.055);
}

.secondary-card span {
  color: rgba(221, 238, 255, 0.58);
  font-size: var(--fs-caption);
  font-weight: 900;
}

.secondary-card strong {
  color: #eef7ff;
  font-size: var(--fs-stat);
  line-height: 1.1;
}

.secondary-card.featured strong {
  font-size: 56px;
}

.secondary-card p {
  color: rgba(221, 238, 255, 0.68);
  line-height: 1.65;
}

.knowledge-library {
  display: grid;
  gap: 28px;
}

.knowledge-library[hidden] {
  display: none;
}

.geo-portal[hidden] {
  display: none;
}

.knowledge-page .secondary-hero {
  margin-bottom: 34px;
}

.geo-page .secondary-hero {
  display: none;
}

.knowledge-toolbar {
  display: grid;
  gap: 18px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #6b8299;
  font-size: var(--fs-body);
  font-weight: 800;
}

.breadcrumb a {
  color: #b0c4de;
}

.breadcrumb span::before {
  content: ">";
  margin-right: 10px;
  color: rgba(176, 196, 222, 0.42);
}

.knowledge-search {
  width: 100%;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 102, 204, 0.15);
  box-shadow: 0 4px 24px rgba(0, 102, 204, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.knowledge-search span {
  color: #b0c4de;
  font-size: 18px;
}

.knowledge-search input {
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: #ffffff;
  box-shadow: none;
}

.knowledge-search input::placeholder {
  color: #6b8299;
}

.knowledge-tabs {
  position: relative;
  display: flex;
  align-items: center;
  gap: 26px;
  min-height: 46px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow-x: auto;
}

.knowledge-tabs button {
  position: relative;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #6b8299;
  font-weight: 900;
  white-space: nowrap;
  transition: color 220ms ease;
}

.knowledge-tabs button::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  border-radius: 999px;
  background: #0099ff;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 260ms ease;
}

.knowledge-tabs button.active {
  color: #ffffff;
}

.knowledge-tabs button.active::after {
  transform: scaleX(1);
}

.knowledge-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.65fr) minmax(320px, 0.35fr);
  gap: 24px;
  align-items: start;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.faq-card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 102, 204, 0.15);
  box-shadow: 0 4px 24px rgba(0, 102, 204, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}

.faq-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 102, 204, 0.3);
  box-shadow: 0 12px 40px rgba(0, 102, 204, 0.2);
}

.faq-card-top {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.faq-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: rgba(0, 153, 255, 0.14);
}

.faq-card h3 {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  color: #ffffff;
  font-size: var(--fs-card-title);
  font-weight: 800;
}

.faq-card p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  color: #b0c4de;
  font-size: var(--fs-body);
  line-height: 1.65;
}

.faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.faq-tags span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(0, 153, 255, 0.14);
  color: #bfe6ff;
  font-size: var(--fs-caption);
  font-weight: 800;
}

.faq-detail {
  display: none;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #b0c4de;
  font-size: var(--fs-body);
  line-height: 1.7;
}

.faq-card.open .faq-detail {
  display: block;
}

.faq-detail-btn {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-end;
  margin-top: auto;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  background: transparent;
  color: #ffffff;
  font-weight: 900;
}

.faq-card.open .faq-detail-btn {
  background: #0066cc;
  border-color: #0066cc;
}

.faq-empty {
  display: none;
  min-height: 180px;
  place-items: center;
  border-radius: 12px;
  border: 1px dashed rgba(255, 255, 255, 0.22);
  color: #b0c4de;
  font-weight: 900;
}

.faq-empty.show {
  display: grid;
}

.faq-card mark {
  border-radius: 4px;
  background: rgba(0, 153, 255, 0.28);
  color: #ffffff;
}

.knowledge-aside {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 16px;
}

.hot-ranking,
.knowledge-side-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 102, 204, 0.15);
  box-shadow: 0 4px 24px rgba(0, 102, 204, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.hot-ranking h2 {
  font-size: var(--fs-card-title);
}

.hot-rank-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 10px;
  align-items: center;
  min-height: 58px;
}

.hot-rank-item span {
  grid-row: span 2;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, #0066cc, #0099ff);
  color: #ffffff;
  font-weight: 900;
}

.hot-rank-item strong {
  overflow: hidden;
  color: #ffffff;
  font-size: var(--fs-body);
  white-space: nowrap;
  text-overflow: ellipsis;
}

.hot-rank-item em {
  color: #6b8299;
  font-size: var(--fs-caption);
  font-style: normal;
  font-weight: 800;
}

.knowledge-side-card strong {
  color: #ffffff;
  font-size: var(--fs-card-title);
}

.knowledge-side-card p {
  color: #b0c4de;
}

.knowledge-side-card a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  color: #ffffff;
  font-weight: 900;
}

.knowledge-side-card.brand a {
  background: #0066cc;
  border-color: #0066cc;
}

.knowledge-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.geo-portal {
  min-height: calc(100vh - 230px);
  display: grid;
}

.geo-login-state {
  min-height: calc(100vh - 230px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(440px, 550px);
  gap: clamp(56px, 7vw, 120px);
  align-items: center;
  justify-content: center;
  width: min(1180px, 100%);
  margin: 0 auto;
  position: relative;
}

.geo-login-state[hidden] {
  display: none !important;
}

.geo-login-state::before {
  content: none;
}

.geo-login-copy {
  max-width: 560px;
  color: #ffffff;
}

.geo-login-copy span {
  display: inline-flex;
  margin-bottom: 24px;
  color: rgba(216, 236, 255, 0.72);
  font-size: var(--fs-caption);
  font-weight: 900;
}

.geo-login-copy h2 {
  color: #ffffff;
  font-size: clamp(42px, 4.6vw, 64px);
  line-height: 1.04;
  letter-spacing: 0;
  white-space: nowrap;
}

.geo-login-copy p {
  max-width: 560px;
  margin-top: 18px;
  color: rgba(216, 236, 255, 0.74);
  font-size: var(--fs-page-subtitle);
  line-height: 1.75;
  font-weight: 700;
}

.geo-login-card {
  width: 100%;
  position: relative;
  display: grid;
  gap: 22px;
  padding: 58px 54px 48px;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(0, 122, 185, 0.16), rgba(255, 255, 255, 0.035)),
    rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(0, 102, 204, 0.18);
  box-shadow: 0 4px 24px rgba(0, 102, 204, 0.12), 0 28px 90px rgba(0, 18, 36, 0.2);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  overflow: hidden;
}

.geo-login-card::before {
  content: none;
}

.geo-login-card::after {
  content: none;
}

.geo-error {
  position: absolute;
  left: 50%;
  top: -54px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 10px;
  background: rgba(220, 38, 38, 0.92);
  color: #ffffff;
  font-weight: 900;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.geo-error.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.geo-login-card h2 {
  color: #ffffff;
  font-size: 28px;
  line-height: 1.2;
  text-align: left;
  font-weight: 900;
}

.geo-login-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 44px;
  align-items: center;
  padding: 4px 0 2px;
}

.geo-login-tabs button {
  position: relative;
  min-height: 42px;
  justify-self: center;
  padding: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.56);
  font-size: 18px;
  font-weight: 900;
}

.geo-login-tabs button.active {
  color: #ffffff;
}

.geo-login-tabs button.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 999px;
  background: #ffffff;
}

.geo-input-field {
  position: relative;
  height: 72px;
  display: grid;
  align-items: end;
  gap: 8px;
  padding: 0 0 12px;
  border-radius: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.geo-input-field:focus-within {
  border-color: rgba(0, 153, 255, 0.72);
  box-shadow: 0 8px 18px rgba(0, 153, 255, 0.08);
}

.geo-input-field b {
  color: #b0c4de;
  font-size: 13px;
  line-height: 1;
  font-weight: 900;
}

.geo-input-field input {
  min-width: 0;
  width: 100%;
  height: 26px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #ffffff;
  font-size: 17px;
  font-weight: 900;
  box-shadow: none;
}

.geo-input-field input::placeholder {
  color: #6b8299;
}

.geo-password-toggle {
  position: absolute;
  right: 0;
  bottom: 7px;
  width: 48px;
  height: 40px;
  display: grid;
  place-items: center;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
  color: rgba(216, 226, 236, 0.72);
  font-size: 0;
  cursor: pointer;
  overflow: visible;
}

.geo-password-toggle:hover,
.geo-password-toggle:focus-visible {
  color: rgba(216, 236, 255, 0.92);
}

.geo-eye-icon {
  width: 38px;
  height: 26px;
  overflow: visible;
  transition: transform 180ms ease;
}

.geo-eye-icon path,
.geo-eye-icon circle,
.geo-eye-open,
.geo-eye-closed {
  vector-effect: non-scaling-stroke;
  transition:
    opacity 220ms ease,
    transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1),
    stroke-dashoffset 420ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.geo-eye-open {
  transform: scaleY(0.34);
  transform-origin: 22px 14px;
  transition:
    transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.geo-eye-outline {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 92;
  stroke-dashoffset: 92;
  opacity: 0;
}

.geo-eye-pupil {
  fill: currentColor;
  opacity: 0;
  transform: scale(0.35);
  transform-origin: 22px 14px;
}

.geo-eye-closed {
  transform: translateY(0) scaleY(1);
  transform-origin: 22px 16px;
  transition:
    transform 240ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.geo-eye-lid,
.geo-eye-lash {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 1;
}

.geo-eye-lash {
  stroke-width: 2.3;
}

.geo-password-toggle.is-visible {
  color: rgba(216, 236, 255, 0.94);
}

.geo-password-toggle.is-visible .geo-eye-closed {
  transform: translateY(-3px) scaleY(0.45);
}

.geo-password-toggle.is-visible .geo-eye-lid,
.geo-password-toggle.is-visible .geo-eye-lash {
  opacity: 0;
}

.geo-password-toggle.is-visible .geo-eye-open {
  transform: scaleY(1);
}

.geo-password-toggle.is-visible .geo-eye-outline {
  opacity: 1;
  stroke-dashoffset: 0;
}

.geo-password-toggle.is-visible .geo-eye-pupil {
  opacity: 1;
  transform: scale(1);
  transition-delay: 160ms;
}

.geo-password-toggle:active .geo-eye-icon {
  transform: scale(0.92);
}

@media (prefers-reduced-motion: reduce) {
  .geo-eye-icon,
  .geo-eye-icon path,
  .geo-eye-icon circle,
  .geo-eye-open,
  .geo-eye-closed {
    transition: none;
  }
}

.geo-agree {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #b0c4de;
  font-size: 13px;
  font-weight: 900;
}

.geo-agree input {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  border: 1px solid #9ca3af;
  border-radius: 2px;
  accent-color: #0099ff;
}

.geo-login-button {
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0066cc, #0099ff);
  color: #ffffff;
  font-weight: 900;
  box-shadow: none;
  transition: opacity 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.geo-login-button:not(:disabled):hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 38px rgba(0, 153, 255, 0.28);
}

.geo-login-button:disabled {
  background: rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.52);
  box-shadow: none;
  cursor: not-allowed;
}

.geo-login-button.loading i {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.38);
  border-top-color: #ffffff;
  animation: geoSpin 800ms linear infinite;
}

@keyframes geoSpin {
  to { transform: rotate(360deg); }
}

.geo-console {
  display: grid;
  gap: 22px;
}

.geo-console[hidden] {
  display: none;
}

.geo-status-bar {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 102, 204, 0.15);
  box-shadow: 0 4px 24px rgba(0, 102, 204, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.geo-status-bar div {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.geo-status-bar strong {
  color: #ffffff;
  font-size: var(--fs-card-title);
}

.geo-status-bar span {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(0, 212, 170, 0.14);
  color: #00d4aa;
  font-size: var(--fs-caption);
  font-weight: 900;
}

.geo-status-bar em {
  color: #6b8299;
  font-size: var(--fs-caption);
  font-style: normal;
  font-weight: 800;
}

.geo-status-bar button {
  min-height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  background: #0066cc;
  border: 1px solid #0099ff;
  color: #ffffff;
  font-weight: 900;
  box-shadow: 0 10px 28px rgba(0, 153, 255, 0.22);
}

.geo-resource-toolbar {
  display: grid;
  gap: 16px;
}

.geo-resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.geo-resource-card {
  min-height: 240px;
  display: grid;
  grid-template-rows: 28px 48px 46px 24px 40px;
  gap: 12px;
  padding: 22px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 102, 204, 0.15);
  box-shadow: 0 4px 24px rgba(0, 102, 204, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease, opacity 180ms ease;
}

.geo-resource-card.hidden {
  display: none;
}

.geo-resource-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 102, 204, 0.3);
  box-shadow: 0 12px 40px rgba(0, 102, 204, 0.2);
}

.file-type {
  width: fit-content;
  min-width: 48px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(0, 153, 255, 0.14);
  color: #bfe6ff;
  font-size: var(--fs-caption);
  font-weight: 900;
}

.file-type.xls { color: #00d4aa; background: rgba(0, 212, 170, 0.14); }
.file-type.doc { color: #d8ecff; background: rgba(216, 236, 255, 0.12); }
.file-type.mp4 { color: #c7d2fe; background: rgba(99, 102, 241, 0.16); }
.file-type.pdf { color: #fecaca; background: rgba(220, 38, 38, 0.14); }

.geo-resource-card h3 {
  height: 48px;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  color: #ffffff;
  font-size: var(--fs-card-title);
  font-weight: 800;
}

.geo-resource-card p {
  height: 46px;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  color: #b0c4de;
  font-size: var(--fs-body);
  line-height: 1.65;
}

.resource-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #6b8299;
  font-size: var(--fs-caption);
  font-weight: 800;
}

.geo-resource-card button {
  justify-self: end;
  min-width: 92px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #0066cc;
  border: 1px solid #0066cc;
  color: #ffffff;
  font-weight: 900;
}

.geo-resource-card button.outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.36);
}

.login-page {
  min-height: 100vh;
  background: #000;
  color: #151b20;
}

.login-topbar {
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 44px;
  background: #ffffff;
  border-bottom: 1px solid rgba(8, 35, 56, 0.08);
}

.login-logo {
  color: #111318;
  font-size: 18px;
  font-weight: 900;
}

.login-main {
  min-height: calc(100vh - 246px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 560px);
  gap: 48px;
  align-items: center;
  padding: 70px max(44px, calc((100vw - 1440px) / 2));
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0.04)),
    radial-gradient(circle at 36% 38%, rgba(255, 212, 144, 0.5), transparent 18%),
    radial-gradient(circle at 32% 48%, rgba(42, 109, 61, 0.62), transparent 25%),
    radial-gradient(circle at 76% 24%, rgba(18, 48, 78, 0.6), transparent 24%),
    linear-gradient(135deg, #15202a 0%, #5d715f 42%, #d9d6be 100%);
  position: relative;
  overflow: hidden;
}

.login-main::before {
  content: "";
  position: absolute;
  left: -6%;
  bottom: -1px;
  width: 56%;
  height: 78%;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.36), transparent 24%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.24) 0 2px, transparent 2px 56px);
  clip-path: polygon(0 0, 68% 0, 100% 100%, 0 100%);
  opacity: 0.7;
}

.login-main::after {
  content: "";
  position: absolute;
  left: 34%;
  bottom: 11%;
  width: min(360px, 28vw);
  height: 150px;
  border-radius: 70px 80px 18px 18px;
  background:
    radial-gradient(circle at 22% 98%, #111318 0 28px, transparent 29px),
    radial-gradient(circle at 78% 98%, #111318 0 28px, transparent 29px),
    linear-gradient(160deg, rgba(226, 235, 239, 0.95), rgba(162, 188, 200, 0.86));
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.28);
}

.login-scene,
.login-card {
  position: relative;
  z-index: 1;
}

.login-copy {
  max-width: 520px;
  color: #ffffff;
  text-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}

.login-copy span {
  display: inline-flex;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 900;
}

.login-copy h1 {
  font-size: var(--fs-page-title);
}

.login-copy p {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.82);
  font-size: var(--fs-page-subtitle);
  line-height: 1.7;
}

.login-card {
  min-height: 520px;
  padding: 54px 42px 44px;
  background: #ffffff;
  border-radius: 4px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.24);
  overflow: hidden;
}

.login-card h2 {
  margin-bottom: 34px;
  font-size: 28px;
  line-height: 1.2;
}

.login-corner-mark {
  position: absolute;
  right: 0;
  top: 0;
  width: 86px;
  height: 86px;
  background: linear-gradient(135deg, transparent 50%, #f3f3f3 51%);
}

.login-corner-mark::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 18px;
  width: 30px;
  height: 30px;
  border: 4px solid #151b20;
  border-radius: 6px;
  opacity: 0.82;
}

.login-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 32px;
}

.login-tabs button {
  height: 44px;
  background: transparent;
  color: #9aa0a6;
  font-size: 18px;
  font-weight: 800;
  position: relative;
}

.login-tabs button.active {
  color: #151b20;
}

.login-tabs button.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 72px;
  height: 2px;
  background: #151b20;
  transform: translateX(-50%);
}

.login-form {
  display: grid;
  gap: 22px;
}

.login-form label {
  display: grid;
  gap: 10px;
  color: #6f7780;
  font-size: 15px;
  font-weight: 800;
}

.login-form input {
  height: 48px;
  border: 0;
  border-bottom: 1px solid #d8dde2;
  border-radius: 0;
  padding: 0;
  color: #151b20;
  font-size: 18px;
}

.login-form input:focus {
  box-shadow: none;
  border-color: #151b20;
}

.code-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 16px;
  border-bottom: 1px solid #d8dde2;
}

.code-row input {
  border-bottom: 0;
}

.code-row button {
  height: 48px;
  background: transparent;
  color: #b5bdc5;
  font-weight: 900;
}

.agreement {
  grid-template-columns: 22px 1fr;
  align-items: center;
  gap: 10px !important;
  margin-top: 22px;
  color: #6f7780 !important;
  font-weight: 700 !important;
}

.agreement input {
  width: 22px;
  height: 22px;
  border: 1px solid #d8dde2;
}

.agreement a {
  color: #007ab9;
  font-weight: 900;
}

.login-submit {
  height: 54px;
  margin-top: 4px;
  border-radius: 999px;
  background: #151515;
  color: #ffffff;
  font-size: 17px;
  font-weight: 900;
}

.login-footer {
  min-height: 182px;
  display: grid;
  align-content: start;
  gap: 28px;
  padding: 24px max(24px, calc((100vw - 1180px) / 2));
  background: #000000;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
}

.login-footer div {
  display: flex;
  flex-wrap: wrap;
  gap: 0 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.login-footer a {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 800;
}

@media (max-width: 1080px) {
  .mobile-menu {
    display: inline-flex;
    align-items: center;
  }

  .site-header {
    flex-wrap: wrap;
    height: auto;
    min-height: 74px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .brand {
    margin-right: auto;
  }

  .main-nav {
    order: 4;
    width: 100%;
    height: auto;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--line);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav > a,
  .nav-item > a,
  .nav-item {
    min-height: 48px;
    height: auto;
  }

  .mega-menu {
    position: static;
    display: block;
    margin-bottom: 12px;
    padding: 20px;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    box-shadow: none;
  }

  .preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    min-height: 780px;
  }

  .quick-match,
  .selector-layout,
  .smart-select-shell,
  .detail-section,
  .quality-band,
  .factory-section,
  .product-center-workspace,
  .partner-section,
  .site-footer,
  .secondary-panel,
  .knowledge-layout,
  .login-main {
    grid-template-columns: 1fr;
  }

  .smart-select-shell {
    grid-template-areas:
      "hero"
      "form"
      "recommend";
  }

  .product-filter-panel {
    position: static;
  }

  .recommend-stack {
    position: static;
  }

  .knowledge-aside {
    order: -1;
    position: static;
  }

  .icon-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .solution-card,
  .solution-card.featured {
    grid-column: span 3;
  }

  .product-grid,
  .pc-product-grid,
  .product-skeleton,
  .article-list,
  .quality-grid,
  .factory-grid,
  .cert-grid,
  .bottom-stats,
  .product-center-stats,
  .smart-select-stats,
  .knowledge-stats,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-filter-panel {
    align-self: stretch;
  }

  .filter-group {
    padding-bottom: 10px;
  }
}

@media (max-width: 720px) {
  .top-strip {
    height: auto;
    min-height: 42px;
    flex-direction: column;
    gap: 2px;
    padding: 8px 16px;
    text-align: center;
  }

  .site-header {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .brand {
    min-width: auto;
  }

  .brand-text {
    font-size: 20px;
  }

  .store-dropdown {
    height: auto;
  }

  .store-menu {
    top: 44px;
  }

  .hero {
    min-height: 840px;
    padding: 70px 18px 26px;
  }

  .page-hero {
    min-height: 330px;
    padding: 78px 18px 58px;
  }

  .page-hero h1,
  .smart-hero-copy h1,
  .secondary-hero h1 {
    font-size: clamp(30px, 9.4vw, 46px);
  }

  .page-hero p,
  .smart-hero-copy p,
  .secondary-hero p:not(.eyebrow) {
    font-size: 12px;
  }

  .vehicle-silhouette {
    width: 620px;
    right: -230px;
    bottom: 33%;
    opacity: 0.45;
  }

  .hero-content {
    padding-bottom: 260px;
  }

  h1 {
    font-size: 44px;
  }

  .smart-select-shell {
    padding: 78px 18px 64px;
  }

  .secondary-page {
    padding: 56px 18px 72px;
  }

  .secondary-hero {
    min-height: 300px;
  }

  .quick-match,
  .fit-card,
  .match-summary,
  .section-head.split {
    grid-template-columns: 1fr;
    display: grid;
  }

  .section {
    padding: 62px 18px;
  }

  .icon-grid,
  .product-grid,
  .pc-product-grid,
  .product-skeleton,
  .article-list,
  .quality-grid,
  .factory-grid,
  .stat-row,
  .bottom-stats,
  .product-center-stats,
  .smart-select-stats,
  .knowledge-stats,
  .footer-grid,
  .preview-grid,
  .secondary-grid,
  .faq-grid,
  .resource-panel ul {
    grid-template-columns: 1fr;
  }

  .knowledge-tabs {
    gap: 18px;
  }

  .product-recommend {
    display: none;
  }

  .product-results-head {
    align-items: start;
    display: grid;
    grid-template-columns: 1fr;
  }

  .cert-grid {
    grid-template-columns: 1fr;
  }

  .solution-card,
  .solution-card.featured {
    grid-column: span 1;
  }

  .fit-actions {
    grid-template-columns: 1fr 1fr;
  }

  .detail-visual {
    min-height: 360px;
  }

  .product-hero-image {
    height: 230px;
  }

  .preview-grid a {
    min-height: 92px;
  }

  .secondary-page {
    padding: 72px 18px;
  }

  .secondary-card.featured {
    min-height: 300px;
  }

  .login-main {
    padding: 48px 20px;
  }

  .login-card {
    max-width: 560px;
    width: 100%;
    margin: 0 auto;
  }

  .login-copy {
    max-width: 560px;
    margin: 0 auto;
  }
}