/* Pain Station Premium Aesthetics */
:root {
    /* 核心色彩：深海蓝配合治愈科技感青色 */
    --primary-color: #0ea5e9; /* Sky Blue - Tech/Medical feel */
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --secondary-bg: #0f172a; /* Deep Slate Blue */
    --secondary-bg-light: #1e293b;
    --accent-teal: #14b8a6; /* Warm Teal for healing */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --bg-dark: #020617; /* Very Deep Navy */
    
    /* 玻璃材质 */
    --glass-bg: rgba(30, 41, 59, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 导航栏 */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: transparent;
    transition: var(--transition);
}

#navbar.scrolled {
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
}

#navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-en {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary-light), var(--accent-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.logo-zh {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-top: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--primary-light);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 5rem;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -2;
    transform: scale(1.05);
    animation: zoomOut 25s infinite alternate ease-in-out;
}

@keyframes zoomOut {
    0% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(2,6,23,0.9) 0%, rgba(15,23,42,0.7) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding-left: 1rem;
    border-left: 4px solid var(--primary-color);
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(14, 165, 233, 0.2);
    color: var(--primary-light);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(14, 165, 233, 0.4);
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--accent-teal);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.trust-text {
    font-size: 0.95rem;
    color: #cbd5e1;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(14, 165, 233, 0.5);
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
}

.glow-effect {
    position: relative;
}
.glow-effect::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(45deg, var(--primary-light), var(--accent-teal), var(--primary-color));
    z-index: -1;
    border-radius: 50px;
    filter: blur(10px);
    opacity: 0;
    transition: var(--transition);
}
.glow-effect:hover::before {
    opacity: 0.8;
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.2);
    color: var(--text-main);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--primary-light);
    color: var(--primary-light);
}

.btn-sm {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
    border-radius: 8px;
}

/* Trust Signals Banner */
.trust-signals {
    background: var(--secondary-bg);
    padding: 2rem 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.trust-flex {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.trust-icon {
    font-size: 2.5rem;
}

.trust-item h4 {
    font-size: 1.1rem;
    color: var(--text-main);
}
.trust-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Glass Panels */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Sections */
.section {
    padding: 120px 0;
}

.section-alt {
    background-color: var(--secondary-bg-light);
    position: relative;
}

.section-flex {
    display: flex;
    align-items: center;
    gap: 5rem;
}

.section-flex.reverse {
    flex-direction: row-reverse;
}

.section-image {
    flex: 1;
}

.image-wrapper {
    padding: 1rem;
    overflow: hidden;
}

.image-wrapper img {
    width: 100%;
    border-radius: 12px;
    display: block;
    transition: transform 0.5s ease;
}

.image-wrapper:hover img {
    transform: scale(1.03);
}

.section-text {
    flex: 1;
}

.section-text h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.subtitle {
    color: var(--primary-light);
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-text p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Services Cards */
.services-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.service-card {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateX(10px) translateY(-5px);
    border-color: var(--primary-color);
    background: rgba(30, 41, 59, 0.9);
}

.service-info h3 {
    font-size: 1.2rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.service-info p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

.premium-features {
    list-style: none;
    margin-top: 2rem;
}

.premium-features li {
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    color: #e2e8f0;
}

.premium-features .icon {
    font-size: 1.5rem;
    margin-right: 1rem;
    background: rgba(20, 184, 166, 0.1);
    padding: 10px;
    border-radius: 12px;
}

/* Contact Section (Ads Focus) */
.contact-section {
    background: url('https://images.unsplash.com/photo-1579684385127-1ef15d508118?q=80&w=2080&auto=format&fit=crop') center/cover fixed;
    position: relative;
    padding: 150px 0;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(2, 6, 23, 0.85);
}

.contact-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    z-index: 2;
}

.contact-header h2 {
    font-size: 3rem;
    background: linear-gradient(to right, #fff, var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass-container {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    padding: 4rem;
    position: relative;
    z-index: 2;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-light);
}

.info-desc {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.info-item i {
    font-style: normal;
    font-size: 1.5rem;
    margin-right: 1.2rem;
    background: rgba(255,255,255,0.05);
    padding: 12px;
    border-radius: 12px;
}

.phone-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group input, 
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    font-family: inherit;
    color: white;
    outline: none;
    transition: var(--transition);
    font-size: 1rem;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
}

.form-group select option {
    background: var(--secondary-bg);
    color: white;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-group input:focus, 
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 1.4rem;
    font-size: 1.1rem;
    letter-spacing: 1px;
    margin-top: 1rem;
}

.privacy-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Footer */
footer {
    background: var(--bg-dark);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    text-align: center;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 2rem;
}

/* Mobile Burger Menu */
.burger {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.burger div {
    width: 25px;
    height: 2px;
    background-color: var(--text-main);
    margin: 5px;
    transition: all 0.3s ease;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .section-flex, .section-flex.reverse {
        flex-direction: column;
        gap: 3rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .glass-container {
        padding: 2.5rem;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }
    
    .burger {
        display: block;
    }

    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 100%;
        transition: right 0.5s ease;
        padding-top: 80px;
    }

    .nav-links.nav-active {
        right: 0;
    }

    .nav-links li {
        margin: 1.5rem 0;
        margin-left: 0;
    }
    
    .nav-links a {
        font-size: 1.5rem;
    }

    .hero-btns {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .service-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
}

.toggle .line1 { transform: rotate(-45deg) translate(-5px, 5px); }
.toggle .line2 { opacity: 0; }
.toggle .line3 { transform: rotate(45deg) translate(-5px, -5px); }

/* Google Reviews Section */
.section-header.center {
    text-align: center;
    margin-bottom: 4rem;
}

.google-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 1rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 10px 20px;
    border-radius: 50px;
    display: inline-flex;
}

.rating-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.stars {
    color: #fbbc05;
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.mini-stars {
    color: #fbbc05;
    font-size: 1rem;
    letter-spacing: 1px;
}

.rating-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.review-card {
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.review-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    position: relative;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #ea4335;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: 1rem;
}

.reviewer-info h4 {
    margin-bottom: 0.2rem;
    color: var(--text-main);
}

.google-icon {
    position: absolute;
    right: 0;
    top: 5px;
    width: 25px;
    height: 25px;
    background: white;
    border-radius: 50%;
    color: #4285F4;
    font-family: Arial, sans-serif;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.review-text {
    color: #cbd5e1;
    font-style: italic;
    line-height: 1.8;
    flex-grow: 1;
}

.review-date {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 968px) {
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

/* Language Switcher */
.lang-item {
    margin-left: 1.5rem !important;
    display: flex;
    align-items: center;
}
.lang-switch {
    font-size: 0.9rem !important;
    font-weight: 700 !important;
    padding: 6px 12px;
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    color: var(--text-main);
    letter-spacing: 1px;
    transition: var(--transition);
}
.lang-switch:hover {
    background: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
    transform: translateY(-2px);
}
#navbar.scrolled .lang-switch {
    border-color: rgba(255,255,255,0.2);
}
@media (max-width: 768px) {
    .lang-item {
        margin-left: 0 !important;
        margin-top: 1rem;
    }
}
