@font-face {
    font-family: huipuziti45;
    src: url("./font/AlibabaPuHuiTi-2-45-Light.otf") format("opentype");
}

@font-face {
    font-family: huipuziti55;
    src: url("./font/AlibabaPuHuiTi-2-55-Regular.otf") format("opentype");
}

@font-face {
    font-family: huipuziti85;
    src: url("./font/AlibabaPuHuiTi-2-85-Bold.otf") format("opentype");
}

:root {
    --primary-color: #009fff;
    --primary-dark: #0084ff;
    --secondary-color: #1890ff;
    --text-primary: #000000;
    --text-secondary: #9b9b9b;
    --bg-dark: #233752;
    --bg-card: #ffffff;
    --shadow: 0 0.15rem 0.75rem rgba(0, 0, 0, 0.13);
    --shadow-lg: 0 0.15rem 2rem rgba(94, 94, 94, 0.16);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    overflow-x: hidden;
    font-family: huipuziti55, "Microsoft YaHei", sans-serif;
    color: var(--text-primary);
}

.font45 {
    font-family: huipuziti45;
}

.font55 {
    font-family: huipuziti55;
}

.font85 {
    font-family: huipuziti85;
}

.font-white {
    color: #fff;
}

.bg-white {
    background: #fff;
}

.img-fluid {
    width: 100%;
    height: 100%;
}

.isChoose {
    color: var(--secondary-color);
}

.head {
    width: 100%;
    height: 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 0.1rem 0.5rem rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    margin: 0 !important;
    padding: 0 !important;
}

.head:hover {
    box-shadow: 0 0.2rem 1rem rgba(0, 0, 0, 0.1);
}

.head .leftImg {
    height: 3rem;
    width: 4.5rem;
    margin-left: 3.3rem;
    cursor: pointer;
    transition: var(--transition);
}

.head .leftImg:hover {
    transform: scale(1.05);
}

.head .rightTitle {
    margin-right: 6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.head .rightTitle .r_1 {
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.5rem 0.15rem;
    border-radius: 0.3rem;
    transition: var(--transition);
    position: relative;
}

.head .rightTitle .r_1:not(:last-child):not(:nth-child(2n)):hover {
    color: var(--primary-color);
    background-color: rgba(0, 159, 255, 0.05);
}

.head .rightTitle .r_1::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 0.15rem;
    background: var(--primary-color);
    transition: var(--transition);
    transform: translateX(-50%);
}

.head .rightTitle .r_1:hover::after {
    width: 60%;
}

/* 分隔符 "/" 不显示手指、变色和下划线效果 */
.head .rightTitle .r_1:not([id]) {
    cursor: default;
    padding: 0;
}

.head .rightTitle .r_1:not([id]):hover {
    color: inherit;
    background-color: transparent;
}

.head .rightTitle .r_1:not([id]):hover::after {
    width: 0;
}

.carouselImg {
    width: 100%;
    height: 28rem;
    overflow: hidden;
    padding-top: 4rem;
}

.carouselImg .carousel {
    height: 100%;
}

.carouselImg .carousel .carousel-inner {
    height: 100%;
}

.carousel-item {
    height: 100%;
    animation: fadeIn 0.8s ease-in-out;
}

.carousel-indicators button {
    width: 1rem !important;
    height: 1rem !important;
    border-radius: 50% !important;
    background-color: rgba(255, 255, 255, 0.5) !important;
    border: none !important;
    transition: var(--transition);
}

.carousel-indicators button.active {
    background-color: #fff !important;
    transform: scale(1.2);
}

.title {
    margin-top: 1.4rem;
    text-align: center;
}

.title .t_f {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 2.3rem;
    line-height: 2.3rem;
    font-size: 1.3rem;
    animation: slideUp 0.6s ease-out;
}

.title .t_f .dian {
    height: 0.8rem;
    width: 0.8rem;
    border-radius: 50%;
    background: #000;
    margin-left: 0.25rem;
    margin-right: 0.25rem;
    animation: pulse 2s infinite;
}

.title .t_f .dian.bg-white {
    background: #fff;
}

.title .t_underline {
    text-align: center;
    margin-top: 0.5rem;
}

.title .t_sub {
    display: flex;
    align-items: baseline;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.title .t_combination {
	width: 100%;
	padding-bottom: 8.5rem;
	display: grid;
	grid-template-columns: repeat(7, 8.4rem);
	grid-auto-rows: 8.5rem;
	gap: .1rem;
	justify-content: center;
	align-content: center;
}

.contact {
    height: 19.75rem;
    width: 100%;
    background-image: url('../img/index/contact.jpg');
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.contact .contact_title {
    padding-top: 1.5rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
    color: #fff;
    position: relative;
    z-index: 1;
}

.contact .contact_title .t_l {
    font-size: 1.3rem;
}

.contact .contact_title .t_r {
    font-size: 0.9rem;
    margin-left: 1rem;
}

.contact .contact_left {
    margin-top: 2rem;
    color: #fff;
    position: relative;
    z-index: 1;
}

.contact .contact_left .left_1 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2.15rem;
}

.contact .contact_left .left_1 .l_f {
    font-size: 1.1rem;
    transition: var(--transition);
}

.contact .contact_left .left_1 .l_f:hover {
    color: var(--primary-color);
    transform: scale(1.05);
}

.contact .contact_left .left_2 {
    margin: auto;
    margin-top: 1.1rem;
    font-size: 1.1rem;
    width: 33.5rem;
    text-align: center;
}

.contact .contact_left .left_3,
.contact .contact_left .left_4 {
    margin: auto;
    margin-top: 1.5rem;
    font-size: 1.25rem;
    width: 37rem;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.contact .contact_left .left_3:hover,
.contact .contact_left .left_4:hover {
    transform: translateX(0.5rem);
}

.contact .contact_left .l_4 {
    margin-left: 1.25rem;
}

.foot {
    padding-top: 0.25rem;
    width: 100%;
    background-color: var(--bg-dark);
}

.footImg {
    height: 2rem;
    width: 2rem;
    margin: auto;
}

.foot .foot_time {
    align-items: center;
    display: flex;
    justify-content: center;
    margin-top: 0.75rem;
    text-align: center;
    font-size: 0.7rem;
    color: #fff;
    padding-bottom: 1rem;
}

.foot .foot_time a {
    color: #fff;
    text-decoration: none;
    transition: var(--transition);
}

.foot .foot_time a:hover {
    color: var(--primary-color);
}

.f_2 {
    cursor: pointer;
}

.xuanfu_phone {
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-color);
    cursor: pointer;
    position: fixed;
    right: 0 !important;
    left: auto !important;
    top: 17rem;
    z-index: 99999999;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.8rem;
    transition: var(--transition);
    border-radius: 0.5rem 0 0 0.5rem;
}

.xuanfu_phone:hover {
    width: 10rem;
    background-color: var(--primary-dark);
    box-shadow: -0.5rem 0 2rem rgba(0, 159, 255, 0.4);
}

.xuanfu_phone .x_p {
    display: none;
    white-space: nowrap;
}

.xuanfu_phone:hover .x_p {
    display: block;
    margin-left: 0.75rem;
}

.xuanfu_top {
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-color);
    cursor: pointer;
    position: fixed;
    right: 0 !important;
    left: auto !important;
    top: 20rem;
    z-index: 99999999;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem 0 0 0.5rem;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
}

.xuanfu_top.visible {
    opacity: 1;
    visibility: visible;
}

.xuanfu_top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-0.2rem);
    box-shadow: -0.5rem 0 2rem rgba(0, 159, 255, 0.4);
}

.tip {
    width: 39.5rem;
    margin: auto;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-align: center;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(1.05);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-3rem);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(3rem);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-0.5rem);
    }

    60% {
        transform: translateY(-0.25rem);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-1rem);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out forwards;
}

.animate-slide-left {
    animation: slideInLeft 0.6s ease-out forwards;
}

.animate-slide-right {
    animation: slideInRight 0.6s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-bounce {
    animation: bounce 2s infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

.delay-400 {
    animation-delay: 0.4s;
}

.delay-500 {
    animation-delay: 0.5s;
}

.delay-600 {
    animation-delay: 0.6s;
}

.delay-700 {
    animation-delay: 0.7s;
}

.delay-800 {
    animation-delay: 0.8s;
}

.scroll-animate {
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s ease-out;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-animate-left {
    opacity: 0;
    transform: translateX(-3rem);
    transition: all 0.8s ease-out;
}

.scroll-animate-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-animate-right {
    opacity: 0;
    transform: translateX(3rem);
    transition: all 0.8s ease-out;
}

.scroll-animate-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-animate-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scroll-animate-scale.visible {
    opacity: 1;
    transform: scale(1);
}

.scroll-animate-fade {
    opacity: 0;
    transition: all 1s ease-out;
}

.scroll-animate-fade.visible {
    opacity: 1;
}

.scroll-animate-stagger {
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.6s ease-out;
}

.scroll-animate-stagger.visible {
    opacity: 1;
    transform: translateY(0);
}

.card-hover {
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.card-hover:hover {
    transform: translateY(-0.75rem);
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.15);
}

.btn-primary {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-0.15rem);
    box-shadow: 0 0.5rem 1.5rem rgba(0, 159, 255, 0.4);
}

.btn-primary::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-primary:active::after {
    width: 300%;
    height: 300%;
}

.glow-effect {
    position: relative;
}

.glow-effect::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 159, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.glow-effect:hover::before {
    opacity: 1;
}

.text-gradient {
    background: linear-gradient(90deg, #009fff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-animate {
    background: linear-gradient(90deg, #009fff, #00d4ff, #009fff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientText 3s linear infinite;
}

@keyframes gradientText {
    0% {
        background-position: 0% center;
    }
    100% {
        background-position: 200% center;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }
    100% {
        background-position: 200% center;
    }
}

.shimmer-effect {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

.progress-bar {
    height: 0.3rem;
    background: #f0f0f0;
    border-radius: 0.15rem;
    overflow: hidden;
}

.progress-bar-inner {
    height: 100%;
    background: linear-gradient(90deg, #009fff, #00d4ff);
    border-radius: 0.15rem;
    width: 0;
    transition: width 1.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.progress-bar-inner.visible {
    width: 100%;
}

.counter-up {
    display: inline-block;
}

.head.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 0.2rem 1.5rem rgba(0, 0, 0, 0.1);
}

.nav-item.active {
    color: var(--primary-color) !important;
}

.nav-item.active::after {
    width: 60% !important;
}

.floating-icon {
    animation: float 4s ease-in-out infinite;
}

.floating-icon:nth-child(2) {
    animation-delay: 0.5s;
}

.floating-icon:nth-child(3) {
    animation-delay: 1s;
}

.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(0, 159, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease-out, height 0.6s ease-out;
}

.ripple:hover::before {
    width: 200%;
    height: 200%;
}

.border-animate {
    position: relative;
}

.border-animate::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 0.125rem solid transparent;
    border-radius: 0.5rem;
    background: linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
                linear-gradient(135deg, #009fff, #00d4ff) border-box;
    transition: all 0.3s ease;
}

.border-animate:hover::before {
    box-shadow: 0 0 1.25rem rgba(0, 159, 255, 0.3);
}

.blur-hover {
    transition: filter 0.3s ease;
}

.blur-hover:hover {
    filter: blur(0.2rem);
}

.scale-hover {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scale-hover:hover {
    transform: scale(1.05);
}

.opacity-hover {
    transition: opacity 0.3s ease;
}

.opacity-hover:hover {
    opacity: 0.8;
}

.rotate-hover {
    transition: transform 0.3s ease;
}

.rotate-hover:hover {
    transform: rotate(5deg);
}

.skew-hover {
    transition: transform 0.3s ease;
}

.skew-hover:hover {
    transform: skewX(-5deg);
}

.perspective-card {
    perspective: 62.5rem;
}

.perspective-card-inner {
    transform-style: preserve-3d;
    transition: transform 0.6s;
}

.perspective-card:hover .perspective-card-inner {
    transform: rotateY(10deg) rotateX(-5deg);
}

.backface-hidden {
    backface-visibility: hidden;
}

@keyframes floatUp {
    0%, 100% {
        transform: translateY(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-3rem);
        opacity: 0;
    }
}

@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

.typewriter {
    overflow: hidden;
    white-space: nowrap;
    animation: typing 3s steps(40, end);
}

.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple-circle {
    position: absolute;
    width: 0.625rem;
    height: 0.625rem;
    background: rgba(0, 159, 255, 0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    animation: rippleExpand 0.6s ease-out forwards;
    pointer-events: none;
}

@keyframes rippleExpand {
    to {
        transform: translate(-50%, -50%) scale(20);
        opacity: 0;
    }
}

.parallax {
    transition: transform 0.3s ease-out;
}

img[data-src] {
    opacity: 0;
    transition: opacity 0.5s ease;
}

img[data-src].loaded {
    opacity: 1;
}

.hover-lift {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.magnetic-btn {
    transition: transform 0.2s ease;
}