@charset "UTF-8";
/*!
 * ==========================================================================
 * 设计 (Design):             日照云生网络 (Rizhao Yunsheng Network)
 * 版权所有 (Copyright):      © 2026 Rizhao Yunsheng Network.
 *                           All Rights Reserved.
 *
 * 本网站的设计及前端代码由日照云生网络设计。
 * 未经授权，禁止复制、仿制、修改或用于其他项目。
 *
 * The website design and front-end code were designed by
 * Rizhao Yunsheng Network. Unauthorized copying, reproduction,
 * modification or reuse is prohibited.
 *
 * 网站内容由客户提供，不属于本声明所指的设计及前端代码。
 * Website content is provided by the client and is not covered by this notice.
 * ==========================================================================
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');


:root {
    --primary-blue: #042E6F; 
    --secondary-blue: #0077C8; 
    --accent-yellow: #FFB81C; 
    --accent-orange: #F37021;
    --text-main: #333333;
    --text-light: #666666;
    --bg-light: #E5E9F0; 
    --white: #FFFFFF;
    
    --title-blue: #1A5AA0; 
    --btn-blue: #01549A; 
    
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    
    --header-height: 90px;
}


*, *::before, *::after {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}


.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--title-blue);
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--accent-orange), var(--accent-yellow));
    margin: 15px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.section-padding {
    padding: 100px 0;
}


.btn-learn-more {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 35px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-learn-more-primary {
    background-color: var(--btn-blue);
    color: var(--white);
    box-shadow: 0 5px 15px rgba(1, 84, 154, 0.2);
}

.btn-learn-more-primary:hover {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
    color: var(--btn-blue);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 184, 28, 0.3);
}

.btn-learn-more-outline {
    background-color: transparent;
    color: var(--btn-blue);
    border: 2px solid var(--btn-blue);
}

.btn-learn-more-outline:hover {
    background-color: var(--btn-blue);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(1, 84, 154, 0.25);
}

.btn-learn-more svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: transform var(--transition-fast);
}

.btn-learn-more:hover svg {
    transform: translateX(6px);
}


.btn {
    display: inline-block;
    padding: 12px 32px;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(243, 112, 33, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(243, 112, 33, 0.4);
}


.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-fast);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.site-header.scrolled {
    height: 70px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo img {
    height: 44px;
    transition: height var(--transition-fast);
}

.site-header.scrolled .logo img {
    height: 36px;
}

.main-nav ul {
    display: flex;
    gap: 40px;
    white-space: nowrap; 
}


.main-nav a {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 1.15rem; /* Increased size */
    font-family: 'Roboto Slab', serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    text-decoration: none;
}

@media (max-width: 1280px) {
    .main-nav ul {
        gap: 20px;
    }
    .main-nav a {
        font-size: 1.0rem;
        letter-spacing: 0.5px;
    }
}
@media (max-width: 1120px) {
    .main-nav ul {
        gap: 12px;
    }
    .main-nav a {
        font-size: 0.9rem;
        letter-spacing: 0;
    }
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-yellow);
    transition: width var(--transition-fast);
}


.has-dropdown {
    position: relative;
}

.has-dropdown > a {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-icon {
    width: 14px;
    height: 14px;
    fill: currentColor;
    transition: transform var(--transition-fast);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: -15px; 
    background: var(--white);
    min-width: 220px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border-radius: 8px;
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all var(--transition-fast);
    z-index: 1000;
    
    display: block !important; 
}


.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(10px);
}

.has-dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}


.dropdown-menu li {
    width: 100%;
}

.dropdown-menu a {
    display: block;
    padding: 10px 25px;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: none; 
    letter-spacing: 0;
    transition: all var(--transition-fast);
}

.dropdown-menu a::after {
    display: none; 
}

.dropdown-menu a:hover {
    background: var(--bg-light);
    color: var(--primary-blue);
    padding-left: 30px; 
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}


.mobile-menu-btn, .mobile-close-btn {
    display: none;
}

.mobile-menu-btn {
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--primary-blue);
    border-radius: 3px;
    transition: all var(--transition-fast);
}


.site-footer {
    background-color: var(--primary-blue); 
    color: var(--white);
    padding: 66px 0 0;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.footer-content {
    position: relative;
    z-index: 2;
}


.footer-mega-cta {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-mega-cta h2 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 0;
    background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
    flex: 1;
}

.mega-btn {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white); 
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-yellow));
    padding: 10px 25px;
    border-radius: 50px;
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.mega-btn:hover {
    transform: translateY(-3px);
    background: var(--white);
    color: var(--primary-blue); 
}

.mega-btn span {
    font-size: 1.8rem;
    transition: transform var(--transition-fast);
}

.mega-btn:hover span {
    transform: translateX(8px);
}


.footer-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.8fr 1.6fr;
    gap: 60px;
    margin-bottom: 30px;
}

.footer-brand .footer-logo {
    height: 45px;
    margin-bottom: 25px;
    filter: brightness(0) invert(1); 
}

.footer-brand p {
    color: rgba(255,255,255,0.5);
    line-height: 1.8;
    font-size: 0.95rem;
    max-width: 380px;
}

.footer-nav-col h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    font-family: 'Roboto Slab', serif;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.footer-nav-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(130px, 1fr));
    gap: 0 40px;
    max-width: 380px;
}

.footer-nav-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav-col ul li {
    margin-bottom: 14px;
}

.footer-nav-col ul li a {
    color: rgba(255,255,255,0.5);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.footer-nav-col ul li a:hover {
    color: var(--accent-yellow);
}

.footer-contact p {
    color: rgba(255,255,255,0.6);
    margin-bottom: 12px;
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 420px;
}


.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

.footer-legal a {
    color: rgba(255,255,255,0.4);
    margin-left: 20px;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--white);
}


.footer-watermark {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11vw;
    font-weight: 900;
    color: rgba(255,255,255,0.04);
    white-space: nowrap;
    z-index: 1;
    pointer-events: none;
    user-select: none;
    letter-spacing: 2px;
}


.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    background-color: var(--accent-yellow);
    color: var(--primary-blue);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 999;
}

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

.back-to-top:hover {
    background-color: var(--secondary-blue);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.back-to-top svg {
    fill: var(--primary-blue);
    transition: fill var(--transition-fast);
}

.back-to-top:hover svg {
    fill: var(--white);
}


.floating-contact-bar {
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.float-contact-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.float-icon-btn {
    width: 50px;
    height: 50px;
    background-color: var(--accent-yellow);
    color: var(--primary-blue);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
}

.float-icon-btn svg {
    width: 22px;
    height: 22px;
    fill: var(--primary-blue);
    transition: fill var(--transition-fast), transform var(--transition-fast);
}

.float-contact-item:hover .float-icon-btn {
    background-color: var(--secondary-blue);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.float-contact-item:hover .float-icon-btn svg {
    fill: var(--white);
}

.float-popup {
    position: absolute;
    right: calc(100% + 16px);
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: var(--white);
    padding: 11px 18px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
    border: 1px solid rgba(4, 46, 111, 0.08);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    gap: 3px;
    z-index: 1000;
}

.float-popup::after {
    content: '';
    position: absolute;
    right: -7px;
    top: 50%;
    transform: translateY(-50%);
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-left: 7px solid var(--white);
}

.float-contact-item:hover .float-popup {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(-50%) translateX(0);
}

.popup-title {
    font-size: 0.72rem;
    font-weight: 700;
    color: #888888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.popup-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

.popup-value:hover {
    color: var(--secondary-blue);
}


@media (max-width: 992px) {
    .floating-contact-bar {
        display: none !important;
    }
}


@media (max-width: 992px) {
    .site-header {
        height: 70px;
    }
    
    .site-header.scrolled {
        height: 60px;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: var(--primary-blue);
        flex-direction: column;
        justify-content: flex-start; 
        padding-top: 100px; 
        align-items: center;
        transition: right var(--transition-slow);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    }
    
    .main-nav.active {
        right: 0;
    }

    .main-nav ul {
        width: 100%;
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .main-nav ul li {
        width: 100%;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    
    .main-nav a {
        display: flex;
        justify-content: center;
        width: 100%;
        color: var(--white);
        font-size: 1.2rem;
    }

    
    .main-nav a::after {
        display: none;
    }

    
    .mobile-close-btn {
        display: block;
        position: absolute;
        top: 25px;
        right: 30px;
        background: transparent;
        border: none;
        color: var(--white);
        font-size: 2.5rem;
        cursor: pointer;
        line-height: 1;
        opacity: 0.8;
    }

    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.05);
        width: 100%;
        display: none !important; 
        text-align: center;
        margin-top: 15px;
        opacity: 1; 
        visibility: visible;
        transform: none;
    }

    .has-dropdown.open .dropdown-menu {
        display: block !important;
    }

    .dropdown-menu a {
        font-size: 1.05rem;
        padding: 15px;
    }
}


@media (max-width: 768px) {
    
    .footer-mega-cta {
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
        padding-bottom: 40px;
        margin-bottom: 50px;
    }

    .footer-mega-cta h2 {
        font-size: 2.8rem; 
    }

    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .footer-legal a {
        margin-left: 0;
    }

    
    .footer-watermark {
        font-size: 15vw;
        bottom: -15px;
    }

    .back-to-top {
        right: 15px;
        bottom: 25px;
        width: 42px;
        height: 42px;
    }

    
    .site-header {
        height: 60px;
    }
    
    .site-header.scrolled {
        height: 54px;
    }

    .logo {
        gap: 8px; 
    }
    
    .logo img {
        height: 32px; 
    }
    
    .company-name {
        font-size: 0.95rem; 
        white-space: nowrap; 
    }
    
    .site-header.scrolled .logo img {
        height: 28px; 
    }
    
    .site-header.scrolled .company-name {
        font-size: 0.85rem; 
    }
}


.page-banner {
    position: relative;
    height: 380px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-top: 80px; 
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 46, 111, 0.68); 
    z-index: 1;
    transition: background 0.5s ease;
}


.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.page-banner:hover .banner-content {
    transform: translateY(-6px); 
}

.banner-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: text-shadow 0.5s ease;
    line-height: 1.2;
}

.page-banner:hover .banner-title {
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.banner-desc {
    font-size: 1.1rem;
    max-width: 720px;
    margin: 0 auto;
    opacity: 0.95;
    line-height: 1.6;
    transition: opacity 0.5s ease;
}

.page-banner:hover .banner-desc {
    opacity: 1; 
}


@media (max-width: 991px) {
    .page-banner {
        height: 300px;
        margin-top: 70px;
    }
    .banner-title {
        font-size: 2.2rem;
        letter-spacing: 1.5px;
    }
    .banner-desc {
        font-size: 1rem;
        max-width: 600px;
    }
}


@media (max-width: 768px) {
    .page-banner {
        height: auto;
        min-height: 220px;
        margin-top: 60px;
        padding: 32px 15px;
    }
    .banner-content {
        padding: 0 10px;
    }
    .banner-title {
        font-size: 1.65rem;
        margin-bottom: 0.5rem;
        letter-spacing: 1px;
        line-height: 1.25;
    }
    .banner-desc {
        font-size: 0.88rem;
        line-height: 1.45;
        max-width: 95%;
        opacity: 0.9;
    }
}


@media (max-width: 480px) {
    .site-header {
        height: 56px;
    }
    
    .site-header.scrolled {
        height: 50px;
    }

    .logo img {
        height: 28px;
    }
    
    .site-header.scrolled .logo img {
        height: 25px;
    }

    .page-banner {
        min-height: 190px;
        margin-top: 56px;
        padding: 28px 10px;
    }
    .banner-title {
        font-size: 1.35rem;
        margin-bottom: 0.4rem;
        letter-spacing: 0.5px;
        line-height: 1.2;
    }
    .banner-desc {
        font-size: 0.8rem;
        line-height: 1.4;
        max-width: 100%;
    }
}
/* Roboto Slab Font (Local) */
@font-face {
  font-family: 'Roboto Slab';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/RobotoSlab-VariableFont_wght.woff2') format('woff2');
}