/* ============================================================
   peer-support.css — 朋辈成长子页面样式
   依赖 homepage.css 中的 CSS 变量与基础组件样式
   ============================================================ */

/* ---------- 通用 section 标题（子页共用） ---------- */
.ps-members h2,
.ps-stats ~ .container h2,
.ps-groups h2,
.ps-testimonials h2,
.ps-faq h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-primary-dk);
  text-align: center;
  letter-spacing: .04em;
  margin-bottom: 12px;
  position: relative;
  padding-bottom: 18px;
}

.ps-members h2::after,
.ps-groups h2::after,
.ps-testimonials h2::after,
.ps-faq h2::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 48px; height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 3px;
}

.ps-section-sub {
  text-align: center;
  color: var(--color-text-soft);
  font-size: .975rem;
  max-width: 680px;
  margin: 0 auto 48px;
  line-height: 1.75;
}

/* ============================================================
   页面横幅（子页 hero，替换主页全屏 hero）
   ============================================================ */
.page-hero {
  position: relative;
  background: var(--color-bg);
  padding: calc(var(--nav-h) + 56px) 0 64px;
  overflow: hidden;
  text-align: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 60vw; height: 80vh;
  background: radial-gradient(ellipse at 60% 40%,
    rgba(74,148,148,.18) 0%,
    rgba(45,110,110,.06) 45%,
    transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: heroBlobA 10s ease-in-out infinite alternate;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -10%; left: -5%;
  width: 40vw; height: 50vh;
  background: radial-gradient(ellipse at 30% 70%,
    rgba(212,132,90,.10) 0%,
    transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  animation: heroBlobB 13s ease-in-out infinite alternate;
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--color-primary-dk);
  letter-spacing: .06em;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(28px);
  animation: fadeUp .8s .2s forwards;
}

.page-hero-content p {
  font-size: 1.05rem;
  color: var(--color-text-soft);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.75;
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp .8s .4s forwards;
}

/* ============================================================
   小按钮变体
   ============================================================ */
.btn-sm {
  padding: 8px 20px;
  font-size: .84rem;
}

/* ============================================================
   朋辈支持者
   ============================================================ */
.ps-members {
  background: var(--color-bg-soft);
  padding: 80px 0;
}

.ps-members-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.ps-member-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.ps-member-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.ps-member-avatar {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-lt) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 72px;
  flex-shrink: 0;
}

.ps-member-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.ps-member-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.ps-member-role {
  font-size: .82rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 10px;
}

.ps-member-bio {
  font-size: .875rem;
  color: var(--color-text-soft);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 14px;
}

.ps-member-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.ps-tag {
  background: rgba(45,110,110,.08);
  color: var(--color-primary);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 500;
}

.ps-member-actions {
  display: flex;
  gap: 10px;
}

.ps-member-actions .btn {
  flex: 1;
  justify-content: center;
}

/* ============================================================
   统计数据
   ============================================================ */
.ps-stats {
  background: linear-gradient(160deg,
    var(--color-primary-dk) 0%,
    var(--color-primary)    60%,
    var(--color-primary-lt) 100%);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.ps-stats::before {
  content: '';
  position: absolute;
  top: -40%; right: -15%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,.06) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.ps-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.ps-stat-card {
  text-align: center;
  padding: 32px 16px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(4px);
  transition: background var(--transition), transform var(--transition);
}

.ps-stat-card:hover {
  background: rgba(255,255,255,.18);
  transform: translateY(-4px);
}

.ps-stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 8px;
}

.ps-stat-label {
  font-size: .9rem;
  color: rgba(255,255,255,.8);
  letter-spacing: .04em;
}

/* ============================================================
   支持小组
   ============================================================ */
.ps-groups {
  background: var(--color-bg);
  padding: 80px 0;
}

.ps-groups-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.ps-group-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 28px;
  display: flex;
  gap: 18px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.ps-group-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.ps-group-icon {
  font-size: 2.4rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.ps-group-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.ps-group-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.ps-group-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.ps-group-meta span {
  font-size: .8rem;
  color: var(--color-text-muted);
}

.ps-group-desc {
  font-size: .875rem;
  color: var(--color-text-soft);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 18px;
}

.ps-group-actions {
  display: flex;
  gap: 10px;
}

.ps-group-actions .btn {
  flex: 1;
  justify-content: center;
}

/* ============================================================
   成长故事
   ============================================================ */
.ps-testimonials {
  background: var(--color-bg-soft);
  padding: 80px 0;
}

.ps-testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.ps-testimonial-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.ps-testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.ps-testimonial-rating {
  color: var(--color-accent);
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.ps-testimonial-text {
  font-size: .9rem;
  color: var(--color-text-soft);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 20px;
  font-style: italic;
}

.ps-testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ps-testimonial-avatar {
  font-size: 2rem;
  width: 48px;
  height: 48px;
  background: rgba(45,110,110,.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ps-testimonial-name {
  font-weight: 600;
  font-size: .9rem;
  color: var(--color-text);
}

.ps-testimonial-role {
  font-size: .78rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ============================================================
   加入我们 CTA
   ============================================================ */
.ps-cta {
  background: var(--color-bg);
  padding: 80px 0;
}

.ps-cta-box {
  background: linear-gradient(135deg,
    var(--color-primary-dk) 0%,
    var(--color-primary)    60%,
    var(--color-primary-lt) 100%);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ps-cta-box::before {
  content: '';
  position: absolute;
  top: -30%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.ps-cta-box h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: .04em;
}

.ps-cta-box p {
  color: rgba(255,255,255,.85);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.ps-cta-box .btn-primary {
  background: #fff;
  color: var(--color-primary-dk);
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
}

.ps-cta-box .btn-primary:hover {
  background: var(--color-bg-soft);
  box-shadow: 0 8px 28px rgba(0,0,0,.22);
}

.ps-cta-box .btn-secondary {
  border-color: rgba(255,255,255,.7);
  color: #fff;
}

.ps-cta-box .btn-secondary:hover {
  background: rgba(255,255,255,.15);
  border-color: #fff;
  color: #fff;
  box-shadow: none;
}

/* ============================================================
   常见问题
   ============================================================ */
.ps-faq {
  background: var(--color-bg-soft);
  padding: 80px 0;
}

.ps-faq-list {
  max-width: 800px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ps-faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.ps-faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.ps-faq-question {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition), background var(--transition);
  gap: 12px;
}

.ps-faq-question:hover {
  color: var(--color-primary);
  background: rgba(45,110,110,.04);
}

.ps-faq-icon {
  font-size: .75rem;
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--color-primary);
}

.ps-faq-answer {
  display: none;
  padding: 0 22px 20px;
  font-size: .9rem;
  color: var(--color-text-soft);
  line-height: 1.8;
}

.ps-faq-item.open .ps-faq-icon {
  transform: rotate(180deg);
}

.ps-faq-item.open .ps-faq-answer {
  display: block;
}

/* ============================================================
   模态框
   ============================================================ */
.ps-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,.45);
  align-items: center;
  justify-content: center;
  animation: fadeIn .25s ease;
  padding: 20px;
}

.ps-modal.active {
  display: flex;
}

.ps-modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: fadeUp .3s ease;
  box-shadow: var(--shadow-lg);
}

.ps-modal-header {
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ps-modal-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
}

.ps-modal-close {
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: color var(--transition);
  padding: 0 4px;
}

.ps-modal-close:hover { color: var(--color-text); }

.ps-modal-body {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ps-modal-info {
  font-size: .9rem;
  color: var(--color-primary);
  font-weight: 600;
  background: rgba(45,110,110,.06);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
}

.ps-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ps-form-label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-text);
}

.ps-form-input,
.ps-form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.ps-form-input:focus,
.ps-form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45,110,110,.12);
}

.ps-form-textarea {
  resize: vertical;
  min-height: 100px;
}

.ps-modal-section {
  padding: 0;
}

.ps-modal-section-title {
  font-size: .82rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.ps-modal-section-content {
  font-size: .9rem;
  color: var(--color-text-soft);
  line-height: 1.75;
  white-space: pre-line;
}

.ps-modal-footer {
  padding: 20px 28px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 12px;
}

.ps-modal-footer .btn { flex: 1; justify-content: center; }

/* 成员资料顶部 */
.ps-profile-top {
  text-align: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.ps-profile-avatar {
  font-size: 64px;
  margin-bottom: 12px;
}

.ps-profile-top h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.ps-profile-top p {
  font-size: .85rem;
  color: var(--color-primary);
  font-weight: 600;
}

/* ============================================================
   Reveal 动画（滚动触发，由 homepage.js 添加）
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .ps-members-grid  { grid-template-columns: repeat(2, 1fr); }
  .ps-groups-grid   { grid-template-columns: repeat(2, 1fr); }
  .ps-stats-grid    { grid-template-columns: repeat(2, 1fr); }
  .ps-testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .ps-members-grid  { grid-template-columns: 1fr; }
  .ps-groups-grid   { grid-template-columns: 1fr; }
  .ps-testimonials-grid { grid-template-columns: 1fr; }

  .ps-group-card { flex-direction: column; gap: 10px; }

  .ps-cta-box { padding: 48px 24px; }

  .ps-modal-header,
  .ps-modal-body,
  .ps-modal-footer { padding-left: 20px; padding-right: 20px; }

  .ps-modal-footer { flex-direction: column; }
}

@media (max-width: 560px) {
  .ps-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .ps-member-actions { flex-direction: column; }
  .ps-group-actions  { flex-direction: column; }
}

/* fadeIn 关键帧（modal 用） */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}