/********** Template CSS **********/
:root {
    --primary: #FF5E14;
    --primary-dark: #e04d00;
    --secondary: #6B7280;
    --light: #F0F0F0;
    --dark: #1a1a1a;
    --darker: #0d0d0d;
    --link-blue: #add8e6;
    --white: #ffffff;
}

.side-toolbar {
    position: fixed;
    right: 0;
    bottom: 12%;
    z-index: 99;
    color: #fff;
}
.side-toolbar > ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.side-toolbar > ul > li {
    position: relative;
    margin-bottom: 1px;
}
.side-toolbar .toolbar-icon {
    width: 42px;
    height: 42px;
    background-color: #3c3c3c;
    border-radius: 4px 0 0 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    position: relative;
    z-index: 2;
    transition: background-color .3s;
}
.side-toolbar .toolbar-icon a {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    color: inherit;
    text-decoration: none !important;
}
.side-toolbar > ul > li:hover .toolbar-icon {
    background-color: var(--primary);
}
.side-toolbar .toolbar-text {
    position: absolute;
    right: 42px;
    top: 0;
    height: 42px;
    display: flex;
    align-items: center;
    padding: 0 14px;
    background-color: var(--primary);
    border-radius: 4px 0 0 4px;
    white-space: nowrap;
    z-index: 1;
    opacity: 0;
    transform: translateX(10px);
    transition: opacity .3s, transform .3s;
    pointer-events: none;
}
.side-toolbar > ul > li:hover .toolbar-text {
    opacity: 1;
    transform: translateX(0);
}
.side-toolbar .toolbar-img {
    position: absolute;
    right: 48px;
    bottom: 0;
    background: #fff;
    padding: 8px;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,.2);
    z-index: 1;
    opacity: 0;
    transform: translateX(10px);
    transition: opacity .3s, transform .3s;
    pointer-events: none;
}
.side-toolbar > ul > li:hover .toolbar-img {
    opacity: 1;
    transform: translateX(0);
}
.side-toolbar .toolbar-img img {
    display: block;
    width: 120px;
    height: 120px;
}

/*** Typography ***/
h1,
h2,
.h1,
.h2,
.fw-bold {
    font-weight: 700 !important;
    color: var(--dark);
    line-height: 1.25;
}

h3,
h4,
.h3,
.h4,
.fw-medium {
    font-weight: 600 !important;
    color: var(--dark);
}

h5,
h6,
.h5,
.h6,
.fw-semi-bold {
    font-weight: 500 !important;
}

p {
    color: var(--secondary);
    line-height: 1.7;
    font-size: 15px;
}

.display-5 {
    font-size: 36px;
    letter-spacing: -0.5px;
}

@media (max-width: 768px) {
    .display-5 {
        font-size: 28px;
    }
    
    h1, .h1 {
        font-size: 32px;
    }
}

/* Section heading style - Averna-like */
.section-heading h2 {
    color: var(--dark);
    font-size: 32px;
    font-weight: 700;
}

.section-heading .subtitle {
    color: var(--primary);
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
}

/* Content container max-width like Averna */
.content-container {
    max-width: 1090px;
    margin: 0 auto;
}

/* Button style */
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--dark);
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 4px;
    text-transform: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--dark);
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--dark);
}


/*** Spinner ***/
#spinner {
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s ease-out, visibility 0s linear .5s;
    z-index: 99999;
}

#spinner.show {
    transition: opacity .5s ease-out, visibility 0s linear 0s;
    visibility: visible;
    opacity: 1;
}


/*** Button ***/
.btn {
    transition: .5s;
    font-weight: 500;
}

.btn-outline-primary:hover {
    color: var(--dark);
}

.btn-square {
    width: 38px;
    height: 38px;
}

.btn-sm-square {
    width: 32px;
    height: 32px;
}

.btn-lg-square {
    width: 48px;
    height: 48px;
}

.btn-square,
.btn-sm-square,
.btn-lg-square {
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: normal;
}


.topbar-right {
    position: relative;
    background: var(--primary);
}

.topbar-right::before {
    position: absolute;
    content: "";
    width: 30px;
    height: 100%;
    top: 0;
    left: -15px;
    transform: skewX(-30deg);
    background-color: var(--primary);
}

/* Top bar */
.container-fluid.bg-dark {
    background: var(--darker) !important;
}

.container-fluid.bg-dark .row {
    min-height: 28px;
}

.container-fluid.bg-dark .text-white {
    color: #9ca3a8 !important;
    font-size: 12px;
}

.container-fluid.bg-dark .btn-link {
    font-size: 12px;
}

.container-fluid.bg-dark .btn-link i {
    font-size: 12px;
}

.container-fluid.bg-dark .topbar-right .fw-bold {
    color: var(--dark) !important;
    font-size: 12px;
}

.container-fluid.bg-dark .topbar-right {
    padding-top: 2px !important;
    padding-bottom: 2px !important;
}

/* Hover shadow for cards */
.hover-shadow:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    border-color: var(--primary) !important;
}


/*** Navbar ***/
.navbar.sticky-top {
    top: -100px;
    transition: .5s;
}

.navbar .navbar-brand {
    position: relative;
    padding-right: 30px;
    height: 70px;
    display: flex;
    align-items: center;
    background: transparent;
}

.navbar .navbar-brand::after {
    display: none;
}

.navbar .navbar-brand h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--dark) !important;
}

.navbar .navbar-nav .nav-link {
    margin-right: 35px;
    padding: 20px 0;
    color: var(--dark);
    font-size: 16px;
    font-weight: 500;
    outline: none;
    letter-spacing: 0.3px;
    text-transform: none;
}

.navbar .navbar-nav .nav-link:hover,
.navbar .navbar-nav .nav-link.active {
    color: var(--primary);
}

.navbar .dropdown-toggle::after {
    border: none;
    content: "\f107";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    vertical-align: middle;
    margin-left: 8px;
    font-size: 12px;
}

.navbar .btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--dark);
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 4px;
    letter-spacing: 0.5px;
    text-transform: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.navbar .btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--dark);
}

@media (max-width: 991.98px) {
    .navbar .navbar-nav .nav-link  {
        margin-right: 0;
        padding: 10px 0;
    }

    .navbar .navbar-nav {
        border-top: 1px solid #EEEEEE;
    }
}

@media (min-width: 992px) {
    .navbar .nav-item .dropdown-menu {
        display: block;
        border: none;
        margin-top: 0;
        top: 150%;
        opacity: 0;
        visibility: hidden;
        transition: .5s;
    }

    .navbar .nav-item:hover .dropdown-menu {
        top: 100%;
        visibility: visible;
        transition: .5s;
        opacity: 1;
    }
}


/*** Header ***/
#header-carousel {
    position: relative;
}

.carousel-caption {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.2) 100%);
    z-index: 1;
}

.carousel-caption .container {
    max-width: 1090px;
}

.carousel-caption .text-primary {
    color: var(--primary) !important;
    letter-spacing: 2px;
}

.carousel-caption h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
    max-width: 700px;
}

.carousel-caption .btn {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--dark);
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: 4px;
    padding: 12px 32px;
    text-transform: none;
    font-size: 15px;
    transition: all 0.3s ease;
}

.carousel-caption .btn:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.carousel-control-prev,
.carousel-control-next {
    width: 8%;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--primary);
    border: 12px solid var(--primary);
    border-radius: 3rem;
}

@media (max-width: 768px) {
    #header-carousel .carousel-item {
        position: relative;
        min-height: 450px;
    }
    
    #header-carousel .carousel-item img {
        position: absolute;
        width: 100%;
        height: 100% !important;
        object-fit: cover;
    }

    .carousel-caption h1 {
        font-size: 32px;
        max-width: 100%;
    }
}


/*** Facts ***/
.facts {
    position: relative;
    margin: 6rem 0;
    background: var(--dark);
    background-image: 
        linear-gradient(135deg, rgba(26,26,26,0.95) 0%, rgba(13,13,13,0.98) 100%);
}

.facts .border {
    border-color: rgba(255, 255, 255, .08) !important;
}

.facts .text-primary {
    color: var(--primary) !important;
}

.facts .fw-semi-bold {
    color: #9ca3a8;
    letter-spacing: 0.5px;
}

/* Section labels */
.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 12px;
    position: relative;
}


/*** Service ***/
.service-item {
    position: relative;
    margin: 65px 0 25px 0;
    box-shadow: 0 0 45px rgba(0, 0, 0, .07);
}

.service-item .service-img {
    position: absolute;
    padding: 12px;
    width: 130px;
    height: 130px;
    top: -65px;
    left: 50%;
    transform: translateX(-50%);
    background: #FFFFFF;
    box-shadow: 0 0 45px rgba(0, 0, 0, .09);
    z-index: 2;
    border-radius: 4px;
}

.service-item .service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-item .service-detail {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: 1;
}

.service-item .service-title {
    position: absolute;
    padding: 65px 30px 25px 30px;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: #FFFFFF;
    transition: .5s;
}

.service-item .service-title hr {
    border-color: var(--primary);
    opacity: 1;
    margin: 10px auto;
}

.service-item:hover .service-title {
    top: -100%;
}

.service-item .service-text {
    position: absolute;
    overflow: hidden;
    padding: 65px 30px 25px 30px;
    width: 100%;
    height: 100%;
    top: 100%;
    left: 0;
    display: flex;
    align-items: center;
    text-align: center;
    background: rgba(26, 26, 26, .9);
    transition: .5s;
}

.service-item:hover .service-text {
    top: 0;
}

.service-item .service-text::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 100px;
    top: -100%;
    left: 0;
    transform: skewY(-12deg);
    background: #FFFFFF;
    transition: .5s;
}

.service-item:hover .service-text::before {
    top: -55px;
}

.service-item .btn {
    position: absolute;
    width: 130px;
    height: 50px;
    left: 50%;
    bottom: -25px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    background: #FFFFFF;
    border: none;
    box-shadow: 0 0 45px rgba(0, 0, 0, .09);
    z-index: 2;
    font-weight: 600;
    font-size: 14px;
    border-radius: 4px;
}

.service-item .btn:hover {
    color: var(--dark);
    background: var(--primary);
}


/*** Project ***/
.project-item {
    position: relative;
    display: block;
}

.project-item img {
    transition: .5s;
}

.project-item:hover img {
    margin-top: -60px;
}

.project-item .project-title {
    position: absolute;
    padding: 0 15px;
    width: 100%;
    height: 80px;
    bottom: -110px;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--dark);
    transition: .5s;
}

.project-item:hover .project-title  {
    bottom: -60px;
}

.project-item .project-title::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 30px;
    top: -15px;
    left: 0;
    transform: skewY(-5deg);
    background: var(--dark);
    transition: .5s;
}


/*** Client ***/
.client-item {
    box-shadow: 0 0 45px rgba(0, 0, 0, .07);
}

.client-logo img {
    width: 100px;
}

.client-logo small {
    display: block;
}

.client-item a {
    transition: .5s;
}

.client-item a:hover {
    color: var(--primary);
    letter-spacing: 1px;
}


/*** Team ***/
.team-item .team-social {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: -100%;
    display: flex;
    align-items: center;
    background: var(--primary);
    transition: .5s;
}

.team-item:hover .team-social {
    left: 0;
}

.team-item .team-social .btn-square {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    width: 36px;
    height: 36px;
}

.team-item .team-social .btn-square:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* Contact section */
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

.contact-info-item:last-child {
    border-bottom: none;
}

.contact-info-item .icon-circle {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-item .icon-circle i {
    color: var(--dark);
    font-size: 18px;
}

/* Form styling */
.form-floating > .form-control {
    border-radius: 4px;
    border: 1px solid #ddd;
    font-size: 14px;
    padding-top: 1.5rem;
    padding-bottom: 0.5rem;
}

.form-floating > .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(195, 203, 43, 0.15);
}

.form-floating > label {
    font-size: 14px;
    color: var(--secondary);
    padding-top: 1.1rem;
}

/* Dark section text override */
.bg-dark .display-5,
.bg-dark h1,
.bg-dark h2,
.bg-dark h3 {
    color: var(--white) !important;
}

.bg-dark .text-primary {
    color: var(--primary) !important;
}

/* Scroll animations */
.wow {
    visibility: hidden;
}

/* Page loader */
#spinner .spinner-border {
    border-color: var(--primary);
    border-right-color: transparent;
}


/*** Footer ***/
.footer {
    color: #9ca3a8;
    background: #111 !important;
    padding-top: 2rem !important;
    padding-bottom: 1.25rem !important;
}

.footer .container {
    padding-top: 2rem !important;
    padding-bottom: 0 !important;
}

.footer h5 {
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--white) !important;
    margin-bottom: 24px !important;
    font-weight: 600;
}

.footer .btn.btn-link {
    display: block;
    margin-bottom: 5px;
    padding: 0;
    text-align: left;
    color: #9ca3a8;
    font-weight: normal;
    text-transform: none;
    transition: .3s;
    font-size: 14px;
}

.footer .btn.btn-link::before {
    position: relative;
    content: "\f105";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-right: 10px;
}

.footer .btn.btn-link:hover {
    color: var(--primary);
    letter-spacing: 0.5px;
    box-shadow: none;
}

.footer .btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--dark);
    font-weight: 600;
    font-size: 13px;
    padding: 8px 16px;
    border-radius: 4px;
}

.footer .btn-primary:hover {
    background: var(--primary-dark);
}

.footer input.form-control {
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--white);
    font-size: 14px;
    border-radius: 4px;
}

.footer input.form-control::placeholder {
    color: #6c757d;
}

.footer .btn-square {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    width: 40px;
    height: 40px;
}

.footer .btn-square:hover {
    background: var(--primary);
}

.copyright {
    color: #9ca3a8;
    background: #0a0a0a !important;
    border-top: 1px solid rgba(255, 255, 255, .08);
    font-size: 13px;
}

.copyright a {
    color: var(--primary);
    text-decoration: none;
}
/* phone: shrink carousel text + fix service button clipping */
@media (max-width: 575.98px) {
    #header-carousel .carousel-item { min-height: 400px; }
    .carousel-caption h1 { font-size: 21px !important; line-height: 1.25 !important; letter-spacing: 0 !important; }
    .carousel-caption p.text-primary { font-size: 13px !important; letter-spacing: 1px !important; margin-bottom: 8px !important; }
    .carousel-caption p.text-white-50 { font-size: 14px !important; line-height: 1.6 !important; }
    .carousel-caption .btn { font-size: 13px !important; padding: 8px 20px !important; }
}

/* 中文优先字体栈，替代被墙的 Google Fonts */
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; }


/* Page banner (title background) */
.page-banner {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 180px;
}
.page-banner .breadcrumb {
    background: transparent !important;
    padding-left: 0;
    margin-bottom: .5rem;
}
.page-banner .breadcrumb-item,
.page-banner .breadcrumb-item a {
    color: rgba(255,255,255,.88) !important;
    text-decoration: none;
}
.page-banner .breadcrumb-item.active {
    color: #fff !important;
}
.page-banner .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255,255,255,.7);
}
.page-banner h1 {
    color: #fff !important;
}

/* 导航“产品方案”：悬停展开下拉，点击直接跳转产品页 */
.nav-item.dropdown:hover > .dropdown-menu { display: block; }