/* =========================================
   金田学苑 · components.css
   通用组件样式
   ========================================= */

/* =========================================
   按钮
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.6rem;
  border-radius: 40px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border: 2px solid var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(26, 95, 122, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-1px);
}

.btn-large {
  padding: 0.9rem 2.4rem;
  font-size: 1.05rem;
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: none;
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  background: rgba(26, 95, 122, 0.06);
  color: var(--color-primary);
}

/* =========================================
   卡片
   ========================================= */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-header {
  margin-bottom: var(--space-sm);
}

.card-title {
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 600;
}

.card-body {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.card-footer {
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

/* =========================================
   标签
   ========================================= */
.tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  font-weight: 500;
}

.tag-primary {
  background: rgba(26, 95, 122, 0.1);
  color: var(--color-primary);
}

.tag-accent {
  background: rgba(90, 138, 107, 0.1);
  color: var(--color-accent);
}

.tag-muted {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
}

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

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* =========================================
   资源卡片
   ========================================= */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

@media (max-width: 1023px) {
  .resource-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .resource-grid {
    grid-template-columns: 1fr;
  }
}

.resource-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.resource-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.resource-card .card-title {
  font-size: 1.1rem;
}

.resource-card .card-body {
  flex: 1;
}

.resource-tag {
  align-self: flex-start;
}

/* =========================================
   分页
   ========================================= */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: var(--space-lg) 0;
}

.pagination a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 0.9rem;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  transition: all 0.2s;
}

.pagination a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* =========================================
   面包屑
   ========================================= */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color 0.2s;
}

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

.breadcrumb-sep {
  opacity: 0.4;
}

/* =========================================
   页面标题区
   ========================================= */
.page-hero {
  background: linear-gradient(160deg, #e8f4f8 0%, #d0e8f0 100%);
  padding: var(--space-2xl) 0;
  text-align: center;
}

.page-hero-kicker {
  font-size: 0.8rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.page-hero-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.page-hero-subtitle {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* =========================================
   流程步骤
   ========================================= */
.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.step-content h3 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* =========================================
   分割线
   ========================================= */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-xl) 0;
}

.divider-soft {
  border: none;
  border-top: 1px solid rgba(0,0,0,0.04);
}

/* =========================================
   核心结论 callout（复用 g-coach 框架）
   ========================================= */
.core-conclusion {
  background: rgba(26, 95, 122, 0.06);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-md);
  margin: var(--space-lg) 0;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.7;
}

/* =========================================
   诊断工具
   ========================================= */
.diagnose-section {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
}

.diagnose-question {
  margin-bottom: var(--space-lg);
}

.diagnose-question h3 {
  font-size: 1.05rem;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.diagnose-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.diagnose-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
  background: var(--color-surface);
}

.diagnose-option:hover {
  border-color: var(--color-primary);
  background: rgba(26, 95, 122, 0.04);
}

.diagnose-option input[type="radio"],
.diagnose-option input[type="checkbox"] {
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

/* =========================================
   图片占位
   ========================================= */
.placeholder-image {
  background: linear-gradient(135deg, #e8f4f8 0%, #d0e8f0 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  overflow: hidden;
}

/* =========================================
   滚动动画（简易）
   ========================================= */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================
   联系页
   ========================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-info-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  margin-bottom: var(--space-lg);
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(26, 95, 122, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.contact-text h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
  color: var(--color-text);
}

.contact-text p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.6;
}