/* ============================================================
   专测平台推广页 - Components
   ============================================================ */

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: var(--fw-semibold);
  line-height: 1;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: all var(--t-base);
  text-decoration: none;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(28, 100, 242, 0.40);
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
}

.btn-accent:hover {
  background: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-2px);
}

.btn-secondary {
  background: #fff;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-white {
  background: #fff;
  color: var(--color-primary);
}

.btn-white:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-arrow {
  position: relative;
}

.btn-arrow .arrow {
  transition: transform var(--t-base);
}

.btn-arrow:hover .arrow {
  transform: translateX(4px);
}

/* ============ 导航 ============ */
.header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.02);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 2rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-text);
  text-decoration: none;
  transition: opacity var(--t-fast);
}

.logo:hover {
  opacity: 0.9;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 10px rgba(28, 100, 242, 0.28));
}

.logo-mark svg {
  width: 100%;
  height: 100%;
  display: block;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  gap: 3px;
  min-width: 0;
}

.logo-text-main {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: var(--fw-extrabold);
  color: var(--color-text);
  letter-spacing: -0.005em;
  line-height: 1.15;
  white-space: nowrap;
}

.logo-text-en {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
}

.logo-text-en .short-name {
  color: var(--color-primary);
  font-weight: var(--fw-bold);
}

/* Footer logo 颜色覆盖 */
.footer .logo .logo-text-main {
  color: #ffffff;
}

.footer .logo .logo-text-en {
  color: rgba(255, 255, 255, 0.55);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.875rem;
  font-size: 0.9375rem;
  font-weight: var(--fw-medium);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.875rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
}

.nav-phone:hover {
  background: rgba(255, 102, 51, 0.08);
  color: var(--color-accent-dark);
}

.nav-phone svg {
  width: 16px;
  height: 16px;
}

.nav-mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

.nav-mobile-toggle svg { width: 24px; height: 24px; }

/* ============ 浮动电话 ============ */
.floating-phone {
  position: fixed;
  right: 1.25rem;
  bottom: 1.5rem;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1.125rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: var(--fw-bold);
  box-shadow: 0 12px 32px rgba(255, 102, 51, 0.40);
  transition: all var(--t-base);
}

.floating-phone:hover {
  background: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(255, 102, 51, 0.50);
}

.floating-phone svg {
  width: 18px;
  height: 18px;
  animation: ring 2.5s ease-in-out infinite;
}

.floating-phone::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 999px;
  border: 2px solid var(--color-accent);
  opacity: 0;
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  0% { transform: scale(0.85); opacity: 0.7; }
  100% { transform: scale(1.4); opacity: 0; }
}