/* 通用样式 - Retics模板风格 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.8;
    color: #2c2c2c;
    background: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    padding-top: 80px;
}

@media (max-width: 768px) {
    body {
        padding-top: 0;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* 头部 - Retics风格 */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 15px;
    height: 80px;
}

.logo {
    flex-shrink: 0;
}

.logo a {
    font-size: 30px;
    font-weight: 600;
    color: #252531;
    text-decoration: none;
    letter-spacing: 0;
    display: block;
    transition: all 0.3s ease;
    font-family: "Montserrat", sans-serif;
}

.logo a:hover {
    color: #DFB163;
}

.nav {
    display: flex;
    align-items: center;
    gap: 0;
    height: 100%;
}

.nav a {
    color: #252531;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 0 25px;
    height: 80px;
    display: flex;
    align-items: center;
    position: relative;
    transition: all 0.3s ease;
    white-space: nowrap;
    letter-spacing: 0;
    text-transform: uppercase;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: #DFB163;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav a:hover {
    color: #DFB163;
}

.nav a:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.nav a.active {
    color: #DFB163;
    font-weight: 600;
}

.nav a.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* 下拉菜单 - Retics风格 */
.nav-dropdown {
    position: relative;
    height: auto;
    display: flex;
    align-items: center;
}

.dropdown-toggle {
    cursor: pointer;
    user-select: none;
}

.dropdown-toggle .dropdown-arrow {
    display: inline-block;
    margin-left: 6px;
    font-size: 10px;
    transition: transform 0.3s ease;
    vertical-align: middle;
}

.nav-dropdown:hover .dropdown-arrow,
.nav-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-5px);
    background: #ffffff;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    min-width: 260px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 1000;
    border: 1px solid rgba(223, 177, 99, 0.1);
    overflow: hidden;
    margin-top: 0;
    pointer-events: none;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #ffffff;
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    color: #4b5563;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    margin: 2px 0;
    position: relative;
    height: auto;
}

.dropdown-menu a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) scaleX(0);
    width: 3px;
    height: 60%;
    background: linear-gradient(135deg, #DFB163 0%, #c99d4f 100%);
    border-radius: 0 3px 3px 0;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.dropdown-menu a:hover {
    background: linear-gradient(135deg, rgba(223, 177, 99, 0.08) 0%, rgba(201, 157, 79, 0.08) 100%);
    color: #DFB163;
    transform: translateX(5px);
    padding-left: 22px;
}

.dropdown-menu a:hover::before {
    transform: translateY(-50%) scaleX(1);
}

.dropdown-menu a.active {
    background: linear-gradient(135deg, rgba(223, 177, 99, 0.12) 0%, rgba(201, 157, 79, 0.12) 100%);
    color: #DFB163;
    font-weight: 700;
    padding-left: 22px;
}

.dropdown-menu a.active::before {
    transform: translateY(-50%) scaleX(1);
}

.case-count {
    font-size: 12px;
    color: #9ca3af;
    background: rgba(223, 177, 99, 0.1);
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 500;
    margin-left: 8px;
    transition: all 0.2s ease;
}

.dropdown-menu a:hover .case-count {
    background: rgba(223, 177, 99, 0.2);
    color: #DFB163;
}

/* 移动端响应式 - Retics风格 */
@media (max-width: 768px) {
    .header {
        position: fixed;
    }
    
    .header .container {
        flex-direction: column;
        height: auto;
        padding: 15px 20px;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .logo a {
        font-size: 24px;
    }
    
    .nav {
        width: 100%;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0;
        border-top: 1px solid rgba(0, 0, 0, 0.05);
        padding-top: 15px;
    }
    
    .nav a {
        height: 45px;
        padding: 0 15px;
        font-size: 13px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    .nav a::after {
        display: none;
    }
    
    .nav a.active {
        background: rgba(223, 177, 99, 0.1);
        color: #DFB163;
    }
    
    .nav-dropdown {
        height: 45px;
        width: 100%;
    }
    
    .nav-dropdown .dropdown-toggle {
        width: 100%;
        height: 45px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        padding: 0 15px;
    }
    
    .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        border: none;
        background: rgba(223, 177, 99, 0.05);
        margin-top: 5px;
        border-radius: 8px;
        min-width: auto;
        width: 100%;
        padding: 8px;
        display: none;
    }
    
    .dropdown-menu::before {
        display: none;
    }
    
    .nav-dropdown:hover .dropdown-menu,
    .nav-dropdown.open .dropdown-menu {
        display: block;
        opacity: 1;
        visibility: visible;
        transform: none;
    }
    
    .dropdown-menu a {
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        padding-left: 30px;
    }
    
    .dropdown-menu a:last-child {
        border-bottom: none;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .header .container {
        padding: 12px 15px;
    }
    
    .logo a {
        font-size: 20px;
    }
    
    .nav {
        gap: 0;
    }
    
    .nav a {
        padding: 0 12px;
        font-size: 13px;
        height: 40px;
    }
}

/* 按钮 - Retics风格 */
.btn {
    display: inline-block;
    padding: 13px 35px;
    border: none;
    border-radius: 0;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: #DFB163;
    color: #ffffff;
    padding: 13px 35px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 0;
    box-shadow: none;
    transition: all 0.3s ease;
    border: 2px solid #DFB163;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: #ffffff;
    transition: left 0.3s ease;
    z-index: -1;
}

.btn-primary:hover {
    color: #DFB163;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(223, 177, 99, 0.3);
}

.btn-primary:hover::before {
    left: 0;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-more {
    background: transparent;
    color: #DFB163;
    border: 2px solid #DFB163;
}

.btn-more:hover {
    background: #DFB163;
    color: white;
}

.btn-block {
    display: block;
    width: 100%;
}

/* 区块 - Retics风格 */
.section {
    padding: 100px 0;
    background: #ffffff;
    position: relative;
}

.section:nth-child(even) {
    background: #F3F6FF;
}

.section-title {
    text-align: center;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #252531;
    position: relative;
    display: block;
    width: 100%;
    letter-spacing: 0;
    line-height: 1.2;
    font-family: "Montserrat", sans-serif;
    text-transform: uppercase;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: #DFB163;
    margin: 20px auto 0;
}

.text-center {
    text-align: center;
    margin-top: 30px;
}

/* 底部 - Retics风格 */
.footer {
    background: #252531;
    color: #e5e7eb;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(223, 177, 99, 0.3), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    padding: 60px 0 40px;
}

.footer-section {
    position: relative;
}

.footer-logo h3 {
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #DFB163;
    font-family: "Montserrat", sans-serif;
}

.footer-desc {
    color: #9ca3af;
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 14px;
}

.footer-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(223, 177, 99, 0.1);
    border: 1px solid rgba(223, 177, 99, 0.25);
    border-radius: 0;
    color: #DFB163;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.3s;
}

.tag:hover {
    background: rgba(223, 177, 99, 0.15);
    border-color: rgba(223, 177, 99, 0.4);
    transform: translateY(-2px);
}

.footer-title {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #DFB163;
    border-radius: 0;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
    display: inline-block;
    position: relative;
}

.footer-links a::before {
    content: '→';
    opacity: 0;
    margin-right: 5px;
    transition: all 0.3s;
    color: #DFB163;
}

.footer-links a:hover {
    color: #DFB163;
    padding-left: 15px;
    transform: translateX(5px);
}

.footer-links a:hover::before {
    opacity: 1;
    margin-right: 8px;
    color: #DFB163;
}

.footer-contact {
    margin-top: 10px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: #9ca3af;
    font-size: 14px;
}

.contact-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.contact-item a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s;
}

.contact-item a:hover {
    color: #DFB163;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom p {
    color: #6b7280;
    font-size: 14px;
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom-links a {
    color: #6b7280;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-bottom-links a:hover {
    color: #DFB163;
}

.footer-bottom-links .separator {
    color: #4b5563;
}

.info-section {
    background: #303841;
    padding: 80px 0 70px;
    color: #ffffff;
}

.info-section__layout {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 2fr);
    gap: 40px;
    align-items: stretch;
}

.info-section__intro-card,
.info-section__card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 36px 32px;
    border-radius: 20px;
    border: 1px solid rgba(223, 177, 99, 0.18);
    background: rgba(20, 23, 32, 0.55);
    overflow: hidden;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.info-section__intro-card::before,
.info-section__card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(223, 177, 99, 0.24) 0%, rgba(223, 177, 99, 0) 65%);
    opacity: 0.85;
    pointer-events: none;
}

.info-section__intro-card::before {
    background: linear-gradient(160deg, rgba(223, 177, 99, 0.42) 0%, rgba(223, 177, 99, 0) 70%);
}

.info-section__card::before {
    opacity: 0.6;
}

.info-section__intro-card:hover,
.info-section__card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
}

.info-section__intro-card > *,
.info-section__card > * {
    position: relative;
    z-index: 1;
}

.info-section__intro-heading {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-section__intro-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.info-section__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

@media (max-width: 1200px) {
    .info-section__layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .info-section__grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }
}

@media (max-width: 768px) {
    .info-section__grid {
        grid-template-columns: 1fr;
    }

    .info-section__intro-card,
    .info-section__card {
        padding: 28px 24px;
        gap: 20px;
    }
}

.info-section__card--contact .info-section__contact {
    margin-top: 8px;
}

.info-section__card--legal {
    gap: 18px;
}

.info-section__card--legal .info-section__legal-links {
    margin-top: 4px;
}

.info-section__tagline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.68);
}

.info-section__logo {
    margin-top: 12px;
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 1px;
}

.info-section__desc {
    margin: 18px 0 28px;
    font-size: 15px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.82);
}

.info-section__pills {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.info-section__title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-left: 16px;
}

.info-section__title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 40px;
    border-radius: 4px;
    background: linear-gradient(180deg, #dfb163, rgba(223, 177, 99, 0.15));
}

.info-section__links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.info-section__links a {
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.25s ease;
    font-size: 14px;
    position: relative;
    padding-left: 14px;
}

.info-section__links a::before {
    content: "→";
    position: absolute;
    left: 0;
    font-size: 14px;
    opacity: 0;
    transform: translateX(-6px);
    transition: all 0.25s ease;
    color: #dfb163;
}

.info-section__links a:hover {
    color: #dfb163;
    transform: translateX(6px);
}

.info-section__links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.info-section__contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-section__service-hours {
    margin-top: 12px;
    padding: 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px dashed rgba(223, 177, 99, 0.4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 13px;
}

.info-section__service-value {
    font-size: 16px;
    font-weight: 600;
    color: #dfb163;
}

.info-section__contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    color: rgba(255, 255, 255, 0.82);
    text-decoration: none;
    padding: 16px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid transparent;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.info-section__contact-item:hover {
    border-color: rgba(223, 177, 99, 0.45);
    transform: translateX(6px);
}

.info-section__contact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(223, 177, 99, 0.22);
    color: #dfb163;
    font-size: 16px;
}

.info-section__contact-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.55);
    display: block;
}

.info-section__legal {
    margin: 0 0 20px;
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
}

.info-section__checklist {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.info-section__checklist li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 14px;
    line-height: 1.7;
}

.info-section__check-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(223, 177, 99, 0.2);
    border: 1px solid rgba(223, 177, 99, 0.45);
    color: #dfb163;
    font-size: 12px;
    flex-shrink: 0;
}

.info-section__legal-links {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    font-size: 13px;
}

.info-section__legal-links a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: color 0.25s ease;
}

.info-section__legal-links a:hover {
    color: #dfb163;
}

.info-section__legal-links span {
    color: rgba(255, 255, 255, 0.35);
}

.info-section__copyright {
    margin: 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.62);
}

@media (max-width: 992px) {
    .info-section__column {
        padding: 32px 26px;
    }
}

@media (max-width: 768px) {
    .info-section__columns {
        margin: 0;
    }

    .info-section__column {
        float: none;
        width: 100%;
        margin: 0 0 24px;
    }

    .info-section__links--grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 575px) {
    .info-section {
        padding: 60px 0 55px;
    }

    .info-section__columns {
        gap: 24px;
    }

    .info-section__column {
        padding: 28px 24px;
    }
}

@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 35px;
        padding: 50px 0 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        padding: 20px 0;
    }
    
    .footer-bottom-links {
        justify-content: center;
    }
}

/* 返回顶部按钮样式已移至 back-to-top.css */
/* 保留兼容性样式 */
.back-to-home-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #DFB163;
    color: #ffffff;
    text-decoration: none;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(223, 177, 99, 0.4);
    z-index: 9999;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 2px solid #DFB163;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-home-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-home-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(223, 177, 99, 0.6);
    background: #c99d4f;
    border-color: #c99d4f;
}

.back-to-home-btn:active {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(223, 177, 99, 0.5);
}

.back-to-home-btn .btn-icon {
    width: 24px;
    height: 24px;
    display: block;
    stroke: currentColor;
    fill: none;
    transition: all 0.3s ease;
}

.back-to-home-btn:hover .btn-icon {
    transform: scale(1.1);
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .back-to-home-btn {
        bottom: 20px;
        right: 20px;
        width: 48px;
        height: 48px;
    }
    
    .back-to-home-btn .btn-icon {
        width: 22px;
        height: 22px;
    }
}

@media (max-width: 480px) {
    .back-to-home-btn {
        bottom: 15px;
        right: 15px;
        width: 44px;
        height: 44px;
    }
    
    .back-to-home-btn .btn-icon {
        width: 20px;
        height: 20px;
    }
}