/* =========================================================
   组件：按钮、卡片、表单、模态框、导航栏 · 宋体高级版
   ========================================================= */

/* === 导航栏 === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}

.nav.is-scrolled {
  background-color: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--color-border);
  padding: var(--space-sm) 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  letter-spacing: 0.08em;
}

.nav__logo img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.nav__links {
  display: none;
  gap: var(--space-xl);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.nav__links a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav__links a:hover {
  color: var(--color-text-primary);
}

.nav__links a:hover::after {
  width: 100%;
}

/* === 按钮 === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
  border: none;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-accent-gradient);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  box-shadow: 0 20px 48px rgba(255, 107, 74, 0.35);
  color: #fff;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-text-muted);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: var(--font-size-lg);
}

/* === 卡片 === */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 107, 74, 0.12);
}

/* === 特性卡片 === */
.feature-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  background: rgba(255, 255, 255, 0.8);
}

.feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary-subtle) 0%, #fff 100%);
  color: var(--color-primary);
  box-shadow: inset 0 0 0 1px var(--color-border-light);
}

.feature-card__icon svg {
  width: 28px;
  height: 28px;
}

.feature-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-medium);
}

.feature-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  font-weight: var(--font-weight-light);
}

/* === 定价卡片 === */
.price-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  background: rgba(255, 255, 255, 0.8);
}

.price-card--accent {
  border-color: rgba(255, 107, 74, 0.15);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, var(--color-accent-soft) 100%);
}

.price-card--accent .price-card__value {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-card__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto var(--space-md);
  color: var(--color-accent);
}

.price-card__amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-bottom: var(--space-md);
}

.price-card__currency,
.price-card__unit {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.price-card__value {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-normal);
  line-height: 1;
  font-family: var(--font-serif);
}

.price-card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-medium);
}

.price-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  font-weight: var(--font-weight-light);
}

/* === 入口卡片 === */
.portal-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-2xl);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  min-height: 260px;
}

.portal-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.portal-card__icon svg {
  width: 28px;
  height: 28px;
}

.portal-card__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-sm);
  font-weight: var(--font-weight-medium);
}

.portal-card__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  font-weight: var(--font-weight-light);
  line-height: var(--line-height-relaxed);
}

.portal-card__arrow {
  margin-top: auto;
  font-size: var(--font-size-xl);
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.portal-card:hover .portal-card__arrow {
  transform: translateX(6px);
}

.portal-card__glow {
  position: absolute;
  top: -40%;
  right: -30%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 107, 74, 0.12) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portal-card:hover .portal-card__glow {
  opacity: 1;
}

/* === 表单 === */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-select {
  width: 100%;
  padding: var(--space-md);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(255, 107, 74, 0.08);
}

.form-input.is-error,
.form-select.is-error {
  border-color: var(--color-accent);
}

.form-input.is-error:focus,
.form-select.is-error:focus {
  box-shadow: 0 0 0 4px rgba(255, 107, 74, 0.08);
}

.form-error {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  margin-top: var(--space-xs);
  min-height: 18px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.form-error.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.form-range {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.form-range .form-input {
  flex: 1;
}

.form-range-sep {
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.form-range-unit {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  flex-shrink: 0;
  font-family: var(--font-sans);
}

.form-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.chip {
  display: inline-flex;
}

.chip input {
  position: absolute;
  opacity: 0;
}

.chip span {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chip input:checked + span {
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-family: var(--font-sans);
}

.form-checkbox input {
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--color-accent);
}

/* === 模态框 === */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(28, 25, 23, 0.4);
  backdrop-filter: blur(8px);
}

.modal__panel {
  position: relative;
  width: 100%;
  max-height: 90vh;
  background: rgba(250, 248, 245, 0.98);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--space-xl);
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.modal.is-open .modal__panel {
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal__close:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.modal__title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-xl);
  padding-right: var(--space-xl);
  font-weight: var(--font-weight-medium);
}

/* === 统计条 === */
.stats-bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  margin-top: var(--space-2xl);
  backdrop-filter: blur(12px);
}

.stat {
  text-align: center;
  padding: var(--space-md);
}

.stat__num {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-primary);
  line-height: 1.2;
  font-family: var(--font-serif);
}

.stat__label {
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* === 保障提示条 === */
.guarantee-bar {
  background: var(--color-accent-gradient);
  color: #fff;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-lg);
  margin-top: var(--space-2xl);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-accent);
  letter-spacing: 0.04em;
}

/* === 免责声明 === */
.disclaimer {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-xl);
}

/* === Footer === */
.footer {
  background: var(--color-bg-secondary);
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.footer__top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  letter-spacing: 0.08em;
}

.footer__brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
}

.footer__links a {
  color: var(--color-text-secondary);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  text-align: center;
  font-family: var(--font-sans);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
}

.footer__bottom a {
  color: var(--color-text-tertiary);
}

.footer__bottom a:hover {
  color: var(--color-accent);
}

.footer__divider {
  margin: 0 var(--space-sm);
}

/* =========================================================
   页面区块专属样式 · 宋体高级版
   ========================================================= */

/* === 有机 Blob 装饰 === */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.blob--orange {
  width: 500px;
  height: 500px;
  background: rgba(255, 107, 74, 0.18);
  top: -120px;
  right: -120px;
}

.blob--blue {
  width: 420px;
  height: 420px;
  background: rgba(37, 99, 235, 0.12);
  bottom: -80px;
  left: -80px;
}

.blob--warm {
  width: 360px;
  height: 360px;
  background: rgba(255, 142, 83, 0.14);
  top: 40%;
  left: 50%;
  transform: translateX(-50%);
}

/* === Hero 区 === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--space-4xl) + 60px) 0 var(--space-4xl);
  background: linear-gradient(135deg, #FAF8F5 0%, #FFF1ED 40%, #FAF8F5 70%, #EFF6FF 100%);
  overflow: hidden;
}

.hero__bg-shapes {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__bg-shapes::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -5%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle at 30% 30%, rgba(255, 107, 74, 0.12) 0%, rgba(255, 142, 83, 0.06) 40%, transparent 70%);
  border-radius: 50%;
}

.hero__bg-shapes::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.1) 0%, transparent 60%);
  border-radius: 50%;
}

.hero__grid {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero__content {
  text-align: center;
}

.hero__seal {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-lg);
  opacity: 0.9;
  filter: drop-shadow(0 4px 16px rgba(185, 28, 28, 0.12));
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 107, 74, 0.15);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(8px);
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-normal);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
  letter-spacing: 0.06em;
}

.hero__title em {
  font-style: normal;
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 520px;
  margin: 0 auto var(--space-2xl);
  line-height: var(--line-height-relaxed);
  font-weight: var(--font-weight-light);
}

.hero__cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 320px;
  margin: 0 auto var(--space-2xl);
}

.hero__trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.hero__trust-dot {
  width: 4px;
  height: 4px;
  background: var(--color-accent-light);
  border-radius: 50%;
}

/* Hero 右侧展示 */
.hero__showcase {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__showcase-frame {
  position: relative;
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: #fff;
  padding: var(--space-sm);
}

.hero__showcase-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent-gradient);
  opacity: 0.08;
  z-index: 0;
}

.hero__showcase-image {
  position: relative;
  width: 100%;
  border-radius: var(--radius-xl);
  object-fit: cover;
  z-index: 1;
}

.hero__showcase-float {
  position: absolute;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.hero__showcase-float--top {
  top: -16px;
  right: -8px;
}

.hero__showcase-float--bottom {
  bottom: 24px;
  left: -16px;
}

.float-label {
  font-family: var(--font-sans);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-xs);
}

.float-value {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

/* === 核心优势区 === */
.features {
  position: relative;
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 960px;
  margin: 0 auto;
}

/* === 智能匹配系统解析区 === */
.matching {
  position: relative;
  overflow: hidden;
}

.matching__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.matching__radar {
  max-width: 420px;
  margin: 0 auto;
  position: relative;
}

.radar-chart {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(37, 99, 235, 0.1));
}

.matching__dims {
  display: grid;
  gap: var(--space-md);
}

.dim-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  backdrop-filter: blur(8px);
}

.dim-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.dim-card__num {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  background: var(--color-accent-soft);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  font-family: var(--font-serif);
}

.dim-card__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
  font-weight: var(--font-weight-medium);
}

.dim-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-light);
  line-height: var(--line-height-relaxed);
}

.matching__flow {
  margin-top: var(--space-3xl);
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(8px);
}

.flow-diagram {
  width: 100%;
  height: auto;
}

/* === 印章水印 === */
.seal-watermark {
  position: absolute;
  width: 180px;
  height: 180px;
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
}

.seal-watermark--pricing {
  top: var(--space-3xl);
  right: var(--space-xl);
}

.seal-watermark--matching {
  bottom: var(--space-3xl);
  left: var(--space-xl);
}

/* === 业务入口区 === */
.portals__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

/* === 品牌展示区 === */
.brand-showcase {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.brand-showcase:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.brand-showcase__image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.brand-showcase__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: var(--space-2xl);
  background: linear-gradient(180deg, transparent 0%, rgba(28, 25, 23, 0.6) 100%);
}

.brand-showcase__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-medium);
  color: #fff;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.04em;
}

.brand-showcase__desc {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.85);
  max-width: 480px;
  line-height: var(--line-height-relaxed);
  font-weight: var(--font-weight-light);
}

/* === 产品展示（小程序截图） === */
.product-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.product-showcase__image {
  position: relative;
  display: flex;
  justify-content: center;
}

.product-showcase__phone {
  width: 100%;
  max-width: 320px;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  border: 8px solid #fff;
}

.product-showcase__content {
  text-align: center;
}

.product-showcase__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
  font-weight: var(--font-weight-normal);
}

.product-showcase__desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-xl);
  font-weight: var(--font-weight-light);
}

/* === 联系区块 === */
.contact {
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  max-width: 840px;
  margin: 0 auto;
}

.contact__item {
  text-align: center;
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  backdrop-filter: blur(8px);
}

.contact__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.contact__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.contact__icon svg {
  width: 24px;
  height: 24px;
}

.contact__label {
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.06em;
}

.contact__value {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.contact__value a {
  color: var(--color-text-primary);
}

.contact__value a:hover {
  color: var(--color-accent);
}