/* Contact Page */
.contact-hero { padding-top: calc(var(--nav-height) + var(--space-12)); padding-bottom: var(--space-8); background: linear-gradient(180deg, var(--color-primary-50) 0%, transparent 100%); }
[data-theme="dark"] .contact-hero { background: linear-gradient(180deg, #252839 0%, transparent 100%); }
.page-hero__breadcrumb { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); color: var(--text-tertiary); margin-bottom: var(--space-4); }
.page-hero__breadcrumb a { color: var(--color-primary-500); }
.contact-body { padding-block: var(--space-12); }
.contact-layout { display: grid; grid-template-columns: 1fr 380px; gap: var(--space-10); align-items: start; }

/* Form */
.contact-form-wrap { padding: var(--space-8); }
.contact-form-title { font-size: var(--text-2xl); font-weight: 800; margin-bottom: var(--space-2); }
.contact-form-subtitle { font-size: var(--text-sm); color: var(--text-secondary); margin-bottom: var(--space-8); }
.contact-form { display: flex; flex-direction: column; gap: var(--space-5); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); }
.form-required { color: var(--color-error); }
.form-input {
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  background: var(--surface-card);
  color: var(--text-primary);
  transition: all var(--dur-fast) var(--ease-out-quart);
  outline: none;
}
.form-input:focus {
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 3px rgba(92,111,242,0.1);
}
.form-input::placeholder { color: var(--text-tertiary); }
.form-select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right 12px center; background-size: 16px; padding-right: var(--space-10); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-hint { font-size: var(--text-xs); color: var(--text-tertiary); }
.form-error { font-size: var(--text-xs); color: var(--color-error); min-height: 16px; }
.form-captcha { flex-direction: row; align-items: center; flex-wrap: wrap; gap: var(--space-3); }
.form-captcha label { flex-shrink: 0; }
.contact-submit-btn { justify-content: center; gap: var(--space-2); }
.submit-loading { display: flex; align-items: center; gap: var(--space-2); }
.spin { animation: spin-anim 1s linear infinite; }
@keyframes spin-anim { to { transform: rotate(360deg); } }
.form-success { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: var(--space-16) var(--space-8); gap: var(--space-4); text-align: center; }
.form-success__icon { font-size: 3rem; }
.form-success__title { font-size: var(--text-2xl); font-weight: 700; }
.form-success__desc { font-size: var(--text-base); color: var(--text-secondary); }

/* Contact Methods */
.contact-methods-card { padding: var(--space-6); margin-bottom: var(--space-5); }
.contact-methods-title { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-5); color: var(--text-tertiary); text-transform: uppercase; letter-spacing: var(--tracking-wide); font-size: var(--text-xs); }
.contact-method { display: flex; align-items: flex-start; gap: var(--space-3); margin-bottom: var(--space-5); padding-bottom: var(--space-5); border-bottom: 1px solid var(--border-subtle); }
.contact-method:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.contact-method__icon { width: 40px; height: 40px; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-method__label { font-size: var(--text-xs); color: var(--text-tertiary); }
.contact-method__value { font-size: var(--text-sm); font-weight: 600; color: var(--text-primary); text-decoration: none; }
.contact-method__value:hover { color: var(--color-primary-500); }
.contact-method__value--blur { filter: blur(4px); transition: filter var(--dur-fast) var(--ease-out-quart); cursor: pointer; }
.contact-method__value--blur:hover { filter: blur(0); }
/* 手机号防爬虫：显示脱敏号码，hover显示完整号码 */
.contact-method__value[data-phone-enc] { cursor: pointer; text-decoration: underline dotted var(--color-primary-400); text-underline-offset: 3px; transition: color var(--dur-fast) var(--ease-out-quart); }
.contact-method__value[data-phone-enc]:hover { color: var(--color-primary-500); }
.contact-method__hint { font-size: var(--text-xs); color: var(--text-tertiary); margin-top: 2px; }
.contact-wechat-qr-wrap { margin-top: var(--space-2); }
.contact-wechat-qr { width: 140px; height: 140px; border-radius: var(--radius-lg); border: 1px solid var(--border-subtle); object-fit: contain; background: var(--surface-raised); }
.contact-wechat-qr-placeholder { font-size: var(--text-sm); color: var(--text-tertiary); padding: var(--space-4); background: var(--surface-raised); border-radius: var(--radius-lg); display: inline-block; margin: 0; }

/* Pricing */
.pricing-card { padding: var(--space-6); margin-bottom: var(--space-5); }
.pricing-card__title { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-5); }
.pricing-list { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-4); }
.pricing-item { display: flex; align-items: center; justify-content: space-between; padding: var(--space-3) var(--space-4); background: var(--surface-raised); border-radius: var(--radius-lg); }
.pricing-item__info { display: flex; flex-direction: column; gap: 2px; }
.pricing-item__name { font-size: var(--text-sm); font-weight: 500; }
.pricing-item__period { font-size: var(--text-xs); color: var(--text-tertiary); }
.pricing-item__price { font-size: var(--text-base); font-weight: 700; color: var(--color-primary-500); }
.pricing-note { font-size: var(--text-xs); color: var(--text-tertiary); }

/* FAQ */
.faq-card { padding: var(--space-6); }
.faq-card__title { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-5); }
.faq-list { display: flex; flex-direction: column; gap: var(--space-2); }
.faq-item { border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow: hidden; }
.faq-item__q { padding: var(--space-4); font-size: var(--text-sm); font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; transition: background var(--dur-fast) var(--ease-out-quart); }
.faq-item__q:hover { background: var(--color-primary-50); }
.faq-item[open] .faq-item__q { background: var(--color-primary-50); color: var(--color-primary-500); border-bottom: 1px solid var(--border-subtle); }
[data-theme="dark"] .faq-item[open] .faq-item__q, [data-theme="dark"] .faq-item__q:hover { background: #2e3346; }
.faq-item__q::after { content: '+'; font-size: var(--text-lg); color: var(--text-tertiary); flex-shrink: 0; }
.faq-item[open] .faq-item__q::after { content: '−'; color: var(--color-primary-500); }
.faq-item__a { padding: var(--space-4); font-size: var(--text-sm); color: var(--text-secondary); line-height: var(--leading-relaxed); }

@media (max-width: 1024px) {
  .contact-layout { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: var(--space-5); }
}