/* ==========================================
   特色诊疗页面 — treatment.css
   依赖 css/style.css（全局变量、布局、顶导、页脚）
   复用 about.css 中 .hero-breadcrumb / .page-hero 相关样式
   ========================================== */

/* ===== 诊疗项目筛选栏 ===== */
.treat-filter-bar {
    background: #ffffff;
    border-bottom: 1px solid rgba(0, 179, 134, 0.1);
    padding: 24px 0;
    position: sticky;
    top: 100px;
    z-index: 50;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.treat-filter-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    flex-shrink: 0;
    margin-right: 4px;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 500;
    border: 1.5px solid var(--border-color);
    background: #ffffff;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    outline: none;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(0, 179, 134, 0.04);
    transform: translateY(-1px);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-color: transparent;
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 179, 134, 0.3);
    transform: translateY(-1px);
}

/* ===== 主内容区 ===== */
.treat-main {
    background: #f8fcfb;
    padding: 80px 0 100px;
    position: relative;
    z-index: 2;
    min-height: 60vh;
}

/* ===== 特色项目 — 旗舰大卡 ===== */
.treat-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 80px;
}

.treat-feat-card {
    background: #ffffff;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(0, 179, 134, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.treat-feat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 24px 24px 0 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.treat-feat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 64px rgba(0, 179, 134, 0.14);
    border-color: rgba(0, 179, 134, 0.2);
}

.treat-feat-card:hover::before {
    opacity: 1;
}

.treat-feat-img {
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: linear-gradient(160deg, #e6f9f4, #b2f0e0);
    position: relative;
    flex-shrink: 0;
}

.treat-feat-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.treat-feat-card:hover .treat-feat-img img {
    transform: scale(1.06);
}

/* 特色标签 */
.feat-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.5px;
    backdrop-filter: blur(8px);
    background: linear-gradient(135deg, rgba(0, 60, 40, 0.85), rgba(0, 100, 70, 0.85));
    color: #00d9a3;
    border: 1px solid rgba(0, 217, 163, 0.35);
}

.feat-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #00d9a3;
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(0, 217, 163, 0.8);
    animation: featDot 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes featDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

/* 科室角标 */
.dept-badge {
    position: absolute;
    bottom: 16px;
    right: 16px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    backdrop-filter: blur(8px);
    background: rgba(0, 143, 107, 0.88);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.treat-feat-body {
    padding: 30px 28px 32px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.treat-feat-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.treat-feat-eyebrow::before {
    content: '';
    display: block;
    width: 20px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
}

.treat-feat-body h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
    line-height: 1.3;
}

.treat-feat-body h2 em {
    font-style: normal;
    color: var(--primary-color);
}

.treat-feat-body p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 22px;
    flex: 1;
}

/* 适应症标签组 */
.treat-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.treat-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12.5px;
    font-weight: 500;
    background: var(--primary-lightest);
    color: var(--primary-dark);
    border: 1px solid rgba(0, 179, 134, 0.15);
}

.treat-tag::before {
    content: '✦';
    font-size: 9px;
    color: var(--primary-color);
}

/* 操作按钮组 */
.treat-feat-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-treat-primary {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 11px 28px;
    border-radius: 50px;
    font-size: 14.5px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #ffffff;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 14px rgba(0, 179, 134, 0.25);
    outline: none;
}

.btn-treat-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 179, 134, 0.4);
    color: #ffffff;
}

.btn-treat-outline {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 14.5px;
    font-weight: 600;
    background: transparent;
    color: var(--primary-color);
    border: 1.5px solid rgba(0, 179, 134, 0.3);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    outline: none;
}

.btn-treat-outline:hover {
    background: rgba(0, 179, 134, 0.06);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    color: var(--primary-color);
}

/* ===== 科室分组 ===== */
.dept-group {
    margin-bottom: 72px;
}

.dept-group:last-child {
    margin-bottom: 0;
}

.dept-group-title {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 32px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
}

.dept-group-title h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.dept-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(0,179,134,0.1), rgba(0,179,134,0.16));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.dept-icon-wrap svg {
    width: 22px;
    height: 22px;
    color: var(--primary-color);
}

.dept-item-count {
    margin-left: auto;
    font-size: 14px;
    color: var(--text-light);
    background: var(--bg-lighter);
    padding: 4px 14px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

/* ===== 诊疗项目卡片网格 ===== */
.treat-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* ===== 诊疗项目卡片 ===== */
.treat-card {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(0, 179, 134, 0.08);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.treat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 20px 20px 0 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.treat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 56px rgba(0, 179, 134, 0.12);
    border-color: rgba(0, 179, 134, 0.2);
}

.treat-card:hover::after {
    opacity: 1;
}

/* 卡片图片区 */
.treat-card-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(160deg, #e6f9f4, #c8f0e4);
    position: relative;
    flex-shrink: 0;
}

.treat-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.treat-card:hover .treat-card-img img {
    transform: scale(1.07);
}

/* 卡片角标 */
.treat-card-cat {
    position: absolute;
    bottom: 12px;
    left: 12px;
    font-size: 11.5px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    backdrop-filter: blur(8px);
    letter-spacing: 0.3px;
}

.cat-gynecology {
    background: rgba(156, 39, 176, 0.82);
    color: #fce4fc;
}

.cat-breast {
    background: rgba(233, 30, 99, 0.82);
    color: #fce4ec;
}

.cat-tcm {
    background: rgba(0, 143, 107, 0.88);
    color: #e0fff5;
}

.cat-chronic {
    background: rgba(44, 111, 187, 0.85);
    color: #e3f2fd;
}

/* 卡片内容区 */
.treat-card-body {
    padding: 22px 20px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.treat-card-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.treat-card-subtitle {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.treat-card-subtitle::before {
    content: '';
    width: 12px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
    opacity: 0.7;
    flex-shrink: 0;
}

.treat-card-desc {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 适应病症标签 */
.treat-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 18px;
}

.treat-card-tag {
    font-size: 11.5px;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(0, 179, 134, 0.07);
    color: var(--primary-dark);
    border: 1px solid rgba(0, 179, 134, 0.12);
}

/* 底部操作栏 */
.treat-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 179, 134, 0.06);
}

.treat-card-meta {
    font-size: 12.5px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 5px;
}

.treat-card-meta svg {
    width: 13px;
    height: 13px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.btn-treat-card {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #ffffff;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 179, 134, 0.2);
    flex-shrink: 0;
}

.btn-treat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 179, 134, 0.35);
    color: #ffffff;
}

/* ===== 诊疗流程区块 ===== */
.treat-process {
    background: #ffffff;
    padding: 100px 0;
    position: relative;
    z-index: 2;
}

.treat-process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    margin-top: 60px;
    position: relative;
}

/* 连接线 */
.treat-process-grid::before {
    content: '';
    position: absolute;
    top: 48px;
    left: calc(10% + 24px);
    right: calc(10% + 24px);
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    opacity: 0.2;
    z-index: 0;
}

.process-step {
    text-align: center;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}

/* 步骤圆 */
.process-circle {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 2px solid rgba(0, 179, 134, 0.2);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.process-step:hover .process-circle {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-color: transparent;
    box-shadow: 0 12px 32px rgba(0, 179, 134, 0.35);
    transform: translateY(-4px) scale(1.06);
}

.process-circle svg {
    width: 32px;
    height: 32px;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.process-step:hover .process-circle svg {
    color: #ffffff;
}

.process-num {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #ffffff;
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 179, 134, 0.3);
}

.process-step h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ===== 中医优势横幅 ===== */
.treat-advantage {
    background: linear-gradient(135deg, #004d3a 0%, #007a5e 60%, #00b386 100%);
    padding: 80px 0;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.treat-advantage::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.treat-advantage::after {
    content: '';
    position: absolute;
    left: -120px;
    top: 50%;
    transform: translateY(-50%);
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,217,163,0.1), transparent 70%);
    pointer-events: none;
}

.treat-adv-inner {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.treat-adv-text h2 {
    font-size: 40px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
    margin-bottom: 18px;
}

.treat-adv-text h2 span {
    color: #00d9a3;
}

.treat-adv-text p {
    font-size: 17px;
    color: rgba(255,255,255,0.78);
    line-height: 1.85;
    margin-bottom: 32px;
}

.treat-adv-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.cta-btn-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #ffffff;
    color: var(--primary-dark);
    padding: 13px 34px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    text-decoration: none;
}

.cta-btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(0,0,0,0.18);
    color: var(--primary-color);
}

.cta-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: rgba(255,255,255,0.9);
    padding: 12px 34px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    border: 1.5px solid rgba(255,255,255,0.4);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(4px);
    text-decoration: none;
}

.cta-btn-ghost:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.7);
    color: #ffffff;
    transform: translateY(-3px);
}

/* 右侧优势列表 */
.treat-adv-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.adv-item {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 22px 20px;
    backdrop-filter: blur(6px);
    transition: all 0.35s ease;
}

.adv-item:hover {
    background: rgba(255, 255, 255, 0.13);
    border-color: rgba(0, 217, 163, 0.3);
    transform: translateY(-4px);
}

.adv-item-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 217, 163, 0.15);
    border: 1px solid rgba(0, 217, 163, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.adv-item-icon svg {
    width: 24px;
    height: 24px;
    color: #00d9a3;
}

.adv-item h4 {
    font-size: 17px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.adv-item p {
    font-size: 14px;
    color: rgba(255,255,255,0.65);
    line-height: 1.6;
}

/* ===== 患者案例 / 评价区 ===== */
.treat-cases {
    background: #f8fcfb;
    padding: 100px 0;
    position: relative;
    z-index: 2;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.case-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 30px 26px;
    border: 1px solid rgba(0, 179, 134, 0.1);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    right: 20px;
    font-size: 110px;
    line-height: 1;
    color: rgba(0, 179, 134, 0.06);
    font-family: Georgia, serif;
    pointer-events: none;
    user-select: none;
}

.case-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 179, 134, 0.1);
    border-color: rgba(0, 179, 134, 0.2);
}

/* 星级评分 */
.case-stars {
    display: flex;
    gap: 3px;
    margin-bottom: 14px;
}

.case-stars svg {
    width: 16px;
    height: 16px;
    color: #f0b429;
    fill: #f0b429;
}

.case-text {
    font-size: 14.5px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 22px;
}

.case-author {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 18px;
    border-top: 1px solid rgba(0, 179, 134, 0.07);
}

.case-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    font-weight: 700;
    color: #ffffff;
    flex-shrink: 0;
    overflow: hidden;
}

.case-author-info h4 {
    font-size: 14.5px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3px;
}

.case-author-info p {
    font-size: 12.5px;
    color: var(--text-light);
}

.case-tag {
    margin-left: auto;
    font-size: 11.5px;
    padding: 4px 10px;
    border-radius: 20px;
    background: var(--primary-lightest);
    color: var(--primary-dark);
    border: 1px solid rgba(0, 179, 134, 0.12);
    flex-shrink: 0;
}

/* ===== 预约 CTA ===== */
.treat-cta {
    background: linear-gradient(135deg, #004d3a 0%, #007a5e 60%, #00b386 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.treat-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.treat-cta h2 {
    font-size: 38px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 14px;
    position: relative;
    z-index: 3;
}

.treat-cta p {
    font-size: 18px;
    color: rgba(255,255,255,0.75);
    margin-bottom: 36px;
    position: relative;
    z-index: 3;
}

.treat-cta-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 3;
}

/* ===== 无结果 ===== */
.no-result {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    color: var(--text-light);
    text-align: center;
    grid-column: 1 / -1;
}

.no-result svg {
    width: 64px;
    height: 64px;
    color: var(--border-color);
    margin-bottom: 20px;
}

.no-result p {
    font-size: 17px;
    margin-top: 8px;
}

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .treat-cards-grid { grid-template-columns: repeat(2, 1fr); }
    .treat-process-grid { grid-template-columns: repeat(3, 1fr); gap: 30px; }
    .treat-process-grid::before { display: none; }
}

@media (max-width: 992px) {
    .treat-featured { grid-template-columns: 1fr; }
    .treat-adv-inner { grid-template-columns: 1fr; gap: 48px; }
    .treat-adv-text h2 { font-size: 32px; }
    .cases-grid { grid-template-columns: 1fr 1fr; }
    .treat-process-grid { grid-template-columns: repeat(3, 1fr); }
    .treat-filter-inner { gap: 8px; }
}

@media (max-width: 768px) {
    .treat-featured { grid-template-columns: 1fr; }
    .treat-cards-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .cases-grid { grid-template-columns: 1fr; }
    .treat-process-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .treat-adv-list { grid-template-columns: 1fr 1fr; }
    .treat-cta h2 { font-size: 28px; }
    .treat-cta-btns { flex-direction: column; align-items: center; }
    .treat-adv-btns { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 576px) {
    .treat-cards-grid { grid-template-columns: 1fr; }
    .treat-adv-list { grid-template-columns: 1fr; }
    .treat-process-grid { grid-template-columns: 1fr 1fr; }
    .filter-btn { padding: 7px 14px; font-size: 14px; }
}