/* ============================================
   MDT瓦铂格代谢整合治疗 — 官网样式
   设计风格：森林绿+金色 · 高端医学专业感
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #1a5c3a;
    --color-primary-light: #2d7a52;
    --color-primary-pale: #e8f5ee;
    --color-primary-dark: #0d3b24;
    --color-accent: #c8962a;
    --color-accent-light: #f5e6c8;
    --color-accent-dark: #a67c22;
    --color-text: #1a1a1a;
    --color-text-secondary: #4a4a4a;
    --color-text-tertiary: #999;
    --color-bg: #faf8f5;
    --color-bg-alt: #e8f5ee;
    --color-bg-dark: #0d3b24;
    --color-white: #ffffff;
    --color-border: #e0dcd5;
    --color-border-light: #f0ece6;
    --color-red: #c0392b;
    --color-gold: #c8962a;
    --color-gold-pale: #f5e6c8;
    --font-heading: "Noto Serif SC", "Songti SC", "STSong", serif;
    --font-body: "Inter", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    --max-width: 1200px;
    --nav-height: 72px;
    --radius: 14px;
    --radius-sm: 8px;
    --radius-lg: 18px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* --- Container --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    text-align: center;
}
.btn-primary {
    background: var(--color-accent);
    color: var(--color-text);
}
.btn-primary:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200,150,40,0.3);
}
.btn-ghost {
    background: transparent;
    color: var(--color-white);
    border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-full { width: 100%; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    transition: background var(--transition), box-shadow var(--transition);
}
.nav-top { background: transparent; }
.nav.scrolled {
    background: var(--color-white);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; }
.logo-img { height: 48px; width: auto; }
.nav-links {
    display: flex;
    gap: 6px;
    align-items: center;
}
.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    color: rgba(255,255,255,0.85);
    transition: color var(--transition), background var(--transition);
}
.nav.scrolled .nav-link { color: var(--color-text-secondary); }
.nav-link:hover { background: rgba(255,255,255,0.1); }
.nav.scrolled .nav-link:hover { background: var(--color-primary-pale); color: var(--color-primary); }
.nav-link-cta {
    background: var(--color-accent) !important;
    color: var(--color-text) !important;
    padding: 8px 20px;
    border-radius: 100px;
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
    background: none;
    border: 1.5px solid rgba(255,255,255,0.4);
    color: rgba(255,255,255,0.85);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all var(--transition);
}
.nav.scrolled .lang-toggle {
    border-color: var(--color-border);
    color: var(--color-text-secondary);
}
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition);
}
.nav.scrolled .menu-toggle span { background: var(--color-text); }
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 999;
    flex-direction: column;
    padding: 24px 40px;
    gap: 8px;
    overflow-y: auto;
}
.mobile-menu.active { display: flex; }
.mobile-link {
    padding: 14px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border-light);
}

/* ============================================
   HERO — COVER STYLE
   ============================================ */
.hero-cover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 60%, #000 100%);
    color: var(--color-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 0;
}
.hero-cover .hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-cover-glow {
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200,150,40,0.12) 0%, transparent 70%);
}
.hero-cover-inner {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 120px 40px 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
}
.hero-badge {
    display: inline-block;
    border: 1.5px solid rgba(255,255,255,0.3);
    border-radius: 100px;
    padding: 6px 20px;
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.8;
    margin-bottom: 40px;
    width: fit-content;
    font-family: var(--font-body);
}
.hero-org {
    font-family: var(--font-heading);
    font-size: 15px;
    letter-spacing: 2px;
    opacity: 0.6;
    margin-bottom: 60px;
}
.hero-cover-title {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 4px;
    margin-bottom: 24px;
}
.hero-cover-gold { color: var(--color-accent-light); }
.hero-cover-desc {
    font-size: 20px;
    font-weight: 300;
    opacity: 0.82;
    line-height: 1.8;
    max-width: 640px;
    margin-bottom: 48px;
}
.hero-cover-stats {
    display: flex;
    gap: 48px;
    margin-top: 40px;
    flex-wrap: wrap;
}
.hero-cover-stat { text-align: left; min-width: 120px; }
.hero-cover-stat-num {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-accent-light);
    display: block;
}
.hero-cover-stat-label {
    font-size: 13px;
    opacity: 0.65;
    margin-top: 4px;
    letter-spacing: 1px;
    display: block;
}
.hero-cover-bottom {
    margin-top: auto;
    padding-top: 60px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    font-size: 13px;
    opacity: 0.5;
    letter-spacing: 1px;
    flex-wrap: wrap;
    gap: 12px;
}
.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}
.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
    animation: scrollFade 2s ease-in-out infinite;
}
@keyframes scrollFade {
    0%, 100% { opacity: 0.3; height: 32px; }
    50% { opacity: 1; height: 48px; }
}

/* ============================================
   SECTIONS SHARED
   ============================================ */
.section {
    padding: 80px 0;
    background: var(--color-white);
}
.section-alt { background: var(--color-bg); }
.section-dark {
    background: var(--color-primary-dark);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}
.section-header {
    margin-bottom: 56px;
    text-align: center;
}
.section-label {
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 16px;
}
.section-dark .section-label { color: var(--color-accent-light); }
.section-title {
    font-family: var(--font-heading);
    font-size: 38px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.35;
}
.section-dark .section-title { color: var(--color-white); }
.section-desc {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin: 16px auto 0;
    max-width: 680px;
    line-height: 1.85;
}
.section-dark .section-desc { color: rgba(255,255,255,0.75); }
.section-desc-with-visual {
    display: flex;
    align-items: center;
    gap: 20px;
    text-align: left;
    max-width: 780px;
}
.warburg-visual {
    flex-shrink: 0;
    width: 120px;
    height: 150px;
    border-radius: 6px;
    background: var(--color-primary-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}
.warburg-portrait {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
}

/* ============================================
   CONCEPT CARDS (瓦博代谢疗法)
   ============================================ */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 40px;
}
.concept-card {
    background: var(--color-white);
    border-radius: 16px;
    padding: 36px;
    border: 1px solid var(--color-border-light);
    transition: transform var(--transition);
}
.concept-card:hover { transform: translateY(-3px); }
.concept-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--color-primary);
}
.concept-icon svg { width: 28px; height: 28px; }
.concept-icon-green { background: var(--color-primary-pale); color: var(--color-primary); }
.concept-icon-gold { background: var(--color-accent-light); color: var(--color-accent-dark); }
.concept-icon-red { background: #fde8e8; color: var(--color-red); }
.concept-icon-blue { background: #e8f0fd; color: #2563eb; }
.concept-card h3 {
    font-family: var(--font-heading);
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text);
}
.concept-card p {
    font-size: 14.5px;
    color: var(--color-text-secondary);
    line-height: 1.85;
}

/* ============================================
   ARCHITECTURE CORE (整合治疗架构 - 核心卡)
   ============================================ */
.arch-core-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-radius: 24px;
    padding: 48px;
    margin-bottom: 48px;
    box-shadow: 0 12px 48px rgba(26,92,58,0.3);
}
.arch-core-header {
    text-align: center;
    margin-bottom: 36px;
}
.arch-core-emoji { font-size: 48px; display: block; margin-bottom: 16px; }
.arch-core-title {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}
.arch-core-name {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-accent-light);
    margin-bottom: 16px;
    line-height: 1.4;
}
.arch-core-name span { font-size: 18px; font-weight: 400; display: block; }
.arch-core-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}
.arch-core-item {
    background: rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(10px);
}
.arch-core-label {
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--color-accent-light);
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
}
.arch-core-item p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.9;
}

.arch-system-header {
    text-align: center;
    margin-bottom: 40px;
}
.arch-system-header h3 {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}
.arch-system-header p {
    font-size: 15px;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.arch-core-badge {
    text-align: center;
    margin-bottom: 32px;
    display: inline-block;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}
.arch-core-badge > div, .arch-core-badge-inner {
    display: inline-block;
    background: linear-gradient(135deg, #1a5a3a, #2d8a5a, #1a5a3a);
    color: var(--color-white);
    padding: 24px 48px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(26,90,58,0.25);
    max-width: 600px;
    text-align: center;
}
.arch-core-badge span {
    font-size: 12px;
    letter-spacing: 3px;
    opacity: 0.85;
    margin-bottom: 6px;
    display: block;
}
.arch-core-badge h4 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
}
.arch-core-badge p {
    font-size: 14px;
    opacity: 0.95;
    line-height: 1.7;
    margin: 0;
}
.arch-core-badge small {
    font-size: 13px;
    opacity: 0.85;
}

/* ============================================
   MODULES GRID (六大协同模块)
   ============================================ */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 48px;
}
.module-card {
    background: var(--color-white);
    border-radius: 14px;
    padding: 28px 24px;
    border-left: 4px solid var(--color-primary);
    border: 1px solid var(--color-border-light);
    transition: transform var(--transition);
}
.module-card:hover { transform: translateY(-3px); }
.module-card h4 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 6px;
}
.module-sub {
    font-size: 12.5px;
    color: var(--color-text-tertiary);
    margin-bottom: 6px;
}
.module-card ul {
    list-style: none;
    padding: 0;
    font-size: 13px;
}
.module-card li {
    color: var(--color-text-secondary);
    padding: 4px 0 4px 16px;
    position: relative;
    line-height: 1.65;
}
.module-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}
.module-link {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--color-border);
    font-size: 11.5px;
    font-weight: 500;
}

.module-accent-forest { border-left-color: var(--color-primary); }
.module-accent-forest .module-link { color: var(--color-primary); }
.module-accent-red { border-left-color: var(--color-red); }
.module-accent-red .module-link { color: var(--color-red); }
.module-accent-green { border-left-color: var(--color-primary-light); }
.module-accent-green .module-link { color: var(--color-primary-light); }
.module-accent-olive { border-left-color: #6b8e23; }
.module-accent-olive .module-link { color: #6b8e23; }
.module-accent-purple { border-left-color: #8e44ad; }
.module-accent-purple .module-link { color: #8e44ad; }
.module-accent-blue { border-left-color: #2980b9; }
.module-accent-blue .module-link { color: #2980b9; }

/* ============================================
   PHASES (三阶段治疗)
   ============================================ */
.phases-header {
    text-align: center;
    margin-bottom: 36px;
}
.phases-header h3 {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.4;
}
.phases-header h3 span {
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text-secondary);
}
.phases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.phase-card {
    border-radius: 16px;
    padding: 28px 24px;
    position: relative;
    overflow: hidden;
    border-top: 4px solid var(--color-primary);
}
.phase-intensive {
    background: linear-gradient(135deg, #e8f5e9, #f1f8e9);
    border-top-color: var(--color-primary);
}
.phase-consolidation {
    background: linear-gradient(135deg, #fff8e1, #fef9e7);
    border-top-color: var(--color-accent);
}
.phase-maintenance {
    background: linear-gradient(135deg, #e3f2fd, #e8f4fd);
    border-top-color: #1976d2;
}
.phase-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-white);
}
.phase-intensive .phase-badge { background: var(--color-primary); }
.phase-consolidation .phase-badge { background: var(--color-accent); }
.phase-maintenance .phase-badge { background: #1976d2; }
.phase-time {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text-secondary);
}
.phase-card ul {
    list-style: none;
    padding: 0;
    font-size: 13.5px;
    line-height: 2;
}
.phase-card li { padding: 2px 0; }
.phase-insight {
    margin-top: 14px;
    padding: 12px 16px;
    background: #fff3e0;
    border-radius: 10px;
    border-left: 4px solid #ff8f00;
    font-size: 13px;
    line-height: 1.8;
    color: #4e342e;
}

/* ============================================
   WARFARE SUMMARY (作战系统总结)
   ============================================ */
.warfare-summary {
    margin-top: 64px;
    padding: 48px 40px;
    background: linear-gradient(135deg, #0D3B24 0%, #1A5C3A 100%);
    border-radius: 20px;
    text-align: center;
    color: var(--color-white);
    box-shadow: 0 8px 40px rgba(13, 59, 36, 0.35);
}
.warfare-summary .section-label {
    color: var(--color-gold);
}
.warfare-title {
    font-family: "Noto Serif SC", "STSong", serif;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 24px;
    color: var(--color-white);
}
.warfare-body {
    max-width: 720px;
    margin: 0 auto;
    font-size: 15px;
    line-height: 1.9;
    color: rgba(255,255,255,0.85);
    text-align: left;
}
.warfare-body p { margin-bottom: 16px; }
.warfare-body p:last-child { margin-bottom: 0; }
.warfare-body strong { color: var(--color-gold); }

/* ============================================
   DOCTORS (MDT 多学科会诊专家)
   国际医疗风格：单列全宽档案 · 清晰信息层级
   ============================================ */
.doctors-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 40px;
}
.doctor-profile {
    display: flex;
    gap: 40px;
    padding: 44px 48px;
    background: var(--color-white);
    border-radius: 16px;
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 20px rgba(0,0,0,0.04);
    transition: box-shadow 0.3s;
    align-items: flex-start;
}
.doctor-profile:hover {
    box-shadow: 0 8px 36px rgba(0,0,0,0.08);
}
/* photo column */
.doctor-photo-col {
    flex-shrink: 0;
    width: 150px;
}
.doctor-photo-lg {
    width: 150px;
    height: 200px;
    border-radius: 12px;
    object-fit: cover;
    object-position: top center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    background: #e8e3db;
}
/* body column */
.doctor-body { flex: 1; min-width: 0; }
.doctor-badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}
.doctor-badge {
    display: inline-block;
    padding: 3px 12px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    background: var(--color-primary-pale);
    color: var(--color-primary);
    border-radius: 4px;
}
.doctor-badge-gold {
    background: var(--color-gold-pale);
    color: var(--color-gold);
}
.doctor-badge-teal {
    background: #e0f2f1;
    color: #00695c;
}
.doctor-name-lg {
    font-family: "Noto Serif SC", "STSong", serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-charcoal);
    margin-bottom: 6px;
    letter-spacing: 1px;
}
.doctor-affiliation {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 0;
    line-height: 1.6;
}
.doctor-divider {
    width: 48px;
    height: 3px;
    background: var(--color-gold);
    margin: 20px 0;
    border-radius: 2px;
}
.doctor-section { margin-bottom: 20px; }
.doctor-section:last-child { margin-bottom: 0; }
.doctor-section h4 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-primary);
    margin-bottom: 8px;
}
.doctor-section p {
    font-size: 14px;
    line-height: 1.9;
    color: var(--color-text-secondary);
}
.doctor-section p strong { color: var(--color-charcoal); }

/* doctor achievements list (张达 card) */
.doctor-achievements {
    list-style: none;
    padding: 0;
    margin: 0;
}
.doctor-achievements li {
    position: relative;
    padding-left: 18px;
    font-size: 14px;
    line-height: 1.9;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}
.doctor-achievements li:last-child { margin-bottom: 0; }
.doctor-achievements li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-gold);
}
.doctor-achievements li strong { color: var(--color-charcoal); }

/* ============================================
   HOSPITAL (医院实力)
   ============================================ */
.hospital-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}
.hstat-item {
    text-align: center;
    padding: 24px 16px;
    background: var(--color-primary-pale);
    border-radius: 16px;
}
.hstat-num {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    display: block;
}
.hstat-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 4px;
    display: block;
}
.hospital-block {
    margin-bottom: 40px;
    text-align: center;
}
.hospital-block h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-text);
}
.hospital-block-sub {
    font-size: 14px;
    color: var(--color-accent);
    margin-bottom: 20px;
}
.hospital-block > p {
    font-size: 14px;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto 24px;
    line-height: 1.8;
}
/* ============================================
   EXPERT TEAM GRID (国际医学首席专家团队)
   ============================================ */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}
.expert-card {
    text-align: center;
    background: var(--color-white);
    border-radius: 14px;
    padding: 24px 16px 20px;
    border: 1px solid var(--color-border-light);
    transition: transform 0.3s, box-shadow 0.3s;
}
.expert-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.08);
}
.expert-photo-wrap {
    width: 50%;
    margin: 0 auto 8px;
    border-radius: 10px;
    overflow: hidden;
    background: #e8e3db;
    box-shadow: 0 3px 16px rgba(0,0,0,0.08);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.expert-photo-wrap:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 24px rgba(0,0,0,0.14);
}
.expert-photo {
    width: 100%;
    height: auto;
    display: block;
}
.expert-name {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.5px;
}

@media (max-width: 1024px) {
    .expert-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .expert-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .expert-card { padding: 12px 10px 14px; }
    .expert-name { font-size: 14px; }
}
@media (max-width: 480px) {
    .expert-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .expert-name { font-size: 13px; }
}

/* Strength Grid */
.strength-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 40px 0;
}
.strength-item {
    text-align: center;
    padding: 32px 20px;
    background: var(--color-white);
    border-radius: 14px;
    border: 1px solid var(--color-border-light);
}
.strength-num {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-body);
    display: block;
}
.strength-label {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 8px;
    line-height: 1.5;
    display: block;
}
.strength-label small { font-size: 12px; opacity: 0.8; }

/* Centers Grid */
.section-subheader { margin-bottom: 40px; }
.section-subheader .section-label { margin-top: 0; }
.section-subheader .section-title { font-size: 32px; }
.centers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.center-card {
    background: var(--color-primary-pale);
    border-radius: 14px;
    padding: 28px 24px;
    text-align: center;
    transition: transform var(--transition);
}
.center-card:hover { transform: translateY(-3px); }
.center-icon { font-size: 32px; margin-bottom: 14px; }
.center-name {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}
.center-desc {
    font-size: 12.5px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   VALUE COMPARISON
   ============================================ */
.value-compare {
    background: linear-gradient(135deg, #1a237e, #0d47a1);
    border-radius: 16px;
    padding: 28px 32px;
    margin-bottom: 40px;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}
.value-compare h3 {
    margin: 0 0 16px;
    font-size: 20px;
    font-weight: 700;
}
.value-compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.value-compare-card {
    border-radius: 12px;
    padding: 20px;
}
.value-traditional {
    background: rgba(255,255,255,0.08);
    border-left: 4px solid #ef5350;
}
.value-warburg {
    background: rgba(255,255,255,0.12);
    border-left: 4px solid #66bb6a;
}
.value-compare-tag {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 10px;
}
.value-traditional .value-compare-tag { color: #ff8a80; }
.value-warburg .value-compare-tag { color: #b9f6ca; }
.value-compare-card ul {
    list-style: none;
    padding: 0;
    font-size: 14px;
    line-height: 2;
    color: #e0e0e0;
}
.value-compare-footer {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(255,193,7,0.15);
    border-radius: 8px;
    font-size: 14px;
    color: #ffe082;
    text-align: center;
}

/* ============================================
   PRICING (服务方案)
   ============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.price-card {
    background: var(--color-white);
    border: 1.5px solid var(--color-border);
    border-radius: 18px;
    padding: 36px 32px;
    position: relative;
    transition: transform var(--transition);
}
.price-card:hover { transform: translateY(-3px); }
.price-card-featured {
    border-color: var(--color-primary);
    box-shadow: 0 8px 40px rgba(26,92,58,0.1);
}
.price-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: 12px;
    font-weight: 600;
    padding: 5px 18px;
    border-radius: 100px;
    white-space: nowrap;
}
.price-name {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}
.price-amount {
    font-size: 34px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}
.price-amount span {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-tertiary);
}
.price-target {
    font-size: 13px;
    color: var(--color-text-tertiary);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-light);
}
.price-features {
    list-style: none;
    padding: 0;
}
.price-features li {
    font-size: 13.5px;
    color: var(--color-text-secondary);
    padding: 6px 0 6px 22px;
    position: relative;
    line-height: 1.55;
}
.price-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 14px;
}
.price-notice {
    margin-top: 40px;
    padding: 24px 32px;
    background: var(--color-white);
    border-radius: 14px;
    border: 1px solid var(--color-border);
    font-size: 13.5px;
    color: var(--color-text-secondary);
    line-height: 1.9;
}
.price-notice strong { color: var(--color-text); }

/* ============================================
   EQUIPMENT (尖端设备)
   ============================================ */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
}
.equip-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--color-bg);
    border-radius: 14px;
    align-items: flex-start;
}
.equip-icon {
    font-size: 28px;
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: 12px;
}
.equip-name {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}
.equip-desc {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   TIMELINE (全流程管理)
   ============================================ */
.timeline {
    margin-top: 48px;
    position: relative;
    padding-left: 40px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
}
.timeline-item {
    position: relative;
    margin-bottom: 40px;
}
.timeline-dot {
    position: absolute;
    left: -33px;
    top: 4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid var(--color-bg);
    box-shadow: 0 0 0 2px var(--color-primary);
}
.timeline-item:nth-child(even) .timeline-dot {
    background: var(--color-accent);
    box-shadow: 0 0 0 2px var(--color-accent);
}
.timeline-content h4 {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}
.timeline-content p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}
.timeline-phase-label {
    font-size: 15px;
    font-weight: 600;
    margin: 8px 0 4px;
}
.timeline-tag {
    display: inline-block;
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 100px;
    background: var(--color-primary-pale);
    color: var(--color-primary);
    font-weight: 600;
    margin-top: 8px;
}

/* Treatment Options */
.treatment-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 16px 0;
}
.topt-card {
    background: #f8f6f1;
    padding: 12px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    border-left: 3px solid var(--color-primary);
}
.topt-card small {
    display: block;
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: 4px;
    font-weight: 400;
}
.topt-surgery { border-left-color: var(--color-primary); color: var(--color-primary); }
.topt-radiation { border-left-color: var(--color-accent); color: var(--color-accent); }
.topt-chemo { border-left-color: #2563eb; color: #2563eb; }
.topt-target { border-left-color: #9333ea; color: #9333ea; }
.topt-immuno { border-left-color: #dc2626; color: #dc2626; }
.topt-proton { border-left-color: var(--color-primary); color: var(--color-primary); }
.topt-y90 { border-left-color: var(--color-accent); color: var(--color-accent); }
.topt-warburg {
    background: linear-gradient(135deg,#e8f5e9,var(--color-white));
    border-left-color: var(--color-primary);
    color: var(--color-primary);
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(26,92,58,0.15);
}

/* ============================================
   FIVE-ROLE TEAM (五师一体)
   ============================================ */
.five-role-team {
    margin-top: 56px;
    padding: 32px;
    background: var(--color-primary-pale);
    border-radius: 16px;
    text-align: center;
}
.five-role-team h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
}
.five-role-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}
.five-role-item {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}
.five-role-item strong {
    display: block;
    color: var(--color-primary);
    font-size: 14px;
    margin: 4px 0;
}

/* ============================================
   MONITORING (科学监测)
   ============================================ */
.monitoring-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
}
.monitor-card {
    padding: 24px;
    background: var(--color-white);
    border-radius: 14px;
    border: 1px solid var(--color-border-light);
}
.monitor-card h4 {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
    font-size: 15px;
}
.monitor-card p {
    font-size: 13.5px;
    color: var(--color-text-secondary);
    line-height: 1.9;
}

/* ============================================
   TUMORS (覆盖瘤种 - KEPT)
   ============================================ */
.tumors-summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding: 20px 32px;
    background: var(--color-primary-pale);
    border-radius: 12px;
    margin-bottom: 32px;
    font-size: 15px;
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}
.tumors-summary strong { color: var(--color-primary); font-size: 20px; }
.tumors-summary-divider {
    width: 1px;
    height: 24px;
    background: var(--color-border);
}
.tumors-rows { display: flex; flex-direction: column; gap: 12px; }
.tumor-row {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 16px 20px;
    background: var(--color-white);
    border-radius: 10px;
    border: 1px solid var(--color-border-light);
    transition: all var(--transition);
    flex-wrap: wrap;
}
.tumor-row:hover { border-color: var(--color-primary); box-shadow: 0 2px 12px rgba(26,92,58,0.06); }
.tumor-row-head {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 240px;
    flex-shrink: 0;
}
.tumor-row-num {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-tertiary);
    min-width: 24px;
}
.tumor-row-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}
.tumor-row-count {
    margin-left: auto;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    white-space: nowrap;
}
.tumor-row-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    flex: 1;
}
.tumor-row-tags span {
    font-size: 12.5px;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    padding: 3px 12px;
    border-radius: 100px;
    white-space: nowrap;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-section { padding: 80px 0; }
.contact-bg { position: absolute; inset: 0; }
.contact-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.12;
}
.contact-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, var(--color-primary-dark), rgba(13,59,36,0.95));
}
.contact-container { position: relative; z-index: 2; }
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: flex-start;
}
.contact-form {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 36px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: rgba(255,255,255,0.8);
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-size: 15px;
    font-family: var(--font-body);
    transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.4); }
.form-full { grid-column: span 2; }
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding-top: 20px;
}
.contact-info-item h4 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-accent-light);
}
.contact-info-item p {
    font-size: 14px;
    opacity: 0.75;
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: #0a2217;
    color: rgba(255,255,255,0.7);
    padding: 48px 0 32px;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    flex-wrap: wrap;
}
.footer-brand { max-width: 400px; }
.logo-text {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-white);
}
.logo-accent { color: var(--color-accent); }
.footer-brand p {
    margin-top: 8px;
    font-size: 13px;
    opacity: 0.7;
}
.footer-legal { max-width: 420px; text-align: right; }
.footer-legal p {
    font-size: 12.5px;
    line-height: 1.8;
    margin-bottom: 8px;
}
.footer-copy { margin-top: 8px; opacity: 0.5; }

/* ============================================
   ANIMATIONS
   ============================================ */
.animate-in {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .concept-grid { grid-template-columns: 1fr; }
    .arch-core-grid { grid-template-columns: 1fr; }
    .modules-grid { grid-template-columns: repeat(2, 1fr); }
    .phases-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .price-card { max-width: 500px; margin: 0 auto; }
    .price-card-featured { max-width: 500px; margin: 0 auto; }
    .strength-grid { grid-template-columns: repeat(2, 1fr); }
    .centers-grid { grid-template-columns: repeat(2, 1fr); }
    .hospital-stats { grid-template-columns: repeat(2, 1fr); }
    .equipment-grid { grid-template-columns: 1fr; }
    .treatment-options { grid-template-columns: repeat(2, 1fr); }
    .monitoring-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .value-compare-grid { grid-template-columns: 1fr; }
    .five-role-grid { grid-template-columns: repeat(3, 1fr); }
    .hero-cover-title { font-size: 40px; letter-spacing: 2px; }
    .hero-cover-stats { gap: 32px; }
    .hero-cover-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
    .container { padding: 0 24px; }
    .section { padding: 56px 0; }
    .section-title { font-size: 28px; }
    .section-header { margin-bottom: 40px; }
    .nav-links { display: none; }
    .menu-toggle { display: flex; }
    .hero-cover-inner { padding: 100px 24px 60px; }
    .hero-cover-title { font-size: 32px; letter-spacing: 1px; }
    .hero-cover-desc { font-size: 16px; }
    .hero-cover-stats { gap: 20px; }
    .hero-cover-stat-num { font-size: 28px; }
    .modules-grid { grid-template-columns: 1fr; }
    .arch-core-card { padding: 28px 20px; }
    .arch-core-title { font-size: 24px; }
    .arch-core-name { font-size: 20px; }
    .tumor-row-head { min-width: 100%; }
    .tumor-row-tags { flex: 100%; padding-top: 8px; }
    .tumors-summary { gap: 12px; font-size: 13px; }
    .tumors-summary-divider { display: none; }
    .five-role-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { flex-direction: column; text-align: center; }
    .footer-legal { text-align: center; }
    .section-desc-with-visual { flex-direction: column; text-align: center; }
    .warburg-visual { width: 100px; height: 125px; }
    .warfare-summary { padding: 32px 20px; }
    .warfare-title { font-size: 24px; }
    .warfare-body { font-size: 14px; text-align: center; }
    .doctor-profile { flex-direction: column; align-items: center; text-align: center; padding: 32px 24px; gap: 24px; }
    .doctor-photo-col { width: 130px; }
    .doctor-photo-lg { width: 130px; height: 175px; }
    .doctor-name-lg { font-size: 24px; }
    .doctor-divider { margin: 16px auto; }
    .doctor-badge-row { justify-content: center; }
    .doctor-section p { text-align: left; }
}

@media (max-width: 480px) {
    .hero-cover-title { font-size: 28px; }
    .hero-cover-desc { font-size: 14px; }
    .hero-cover-stats { flex-direction: column; gap: 16px; }
    .hero-cover-stat-num { font-size: 24px; }
    .concept-card { padding: 24px; }
    .price-card { padding: 28px 20px; }
    .price-amount { font-size: 28px; }
    .five-role-grid { grid-template-columns: 1fr 1fr; }
    .treatment-options { grid-template-columns: 1fr; }
    .section-title { font-size: 24px; }
    .strength-num { font-size: 32px; }
    .warfare-title { font-size: 20px; }
    .warfare-summary { padding: 24px 16px; }
    .warfare-body { font-size: 13px; }
    .logo-img { height: 38px; }
}

/* ============================================
   LIGHTBOX — 专家照片点击放大
   ============================================ */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    cursor: pointer;
}
.lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}
.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
    cursor: default;
    transform: scale(0.9);
    transition: transform 0.3s;
}
.lightbox-overlay.active .lightbox-img {
    transform: scale(1);
}
.lightbox-close {
    position: fixed;
    top: 20px;
    right: 24px;
    z-index: 10001;
    width: 44px;
    height: 44px;
    border: none;
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-size: 24px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    line-height: 1;
}
.lightbox-close:hover {
    background: rgba(255,255,255,0.3);
}
.lightbox-caption {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
    z-index: 10001;
}