:root {--deep-blue: #07172b; --soft-blue: #dbe2ea; --cream: #f6f8fb; --text: #495463; --muted: #5c6978; --white: #ffffff;}
input,button,select,textarea{ outline:none;font-family:"Microsoft JhengHei", 'Helvetica','arial','sans-serif';resize:none;border:0;color:#595757;font-size:14px}
i,em{ font-style:normal;}
input[type="button"], input[type="submit"], input[type="reset"],input[type="text"],input[type="email"],input[type="tel"] {-webkit-appearance: none;padding: 12px 12px;margin:0;font-weight:normal; display: block;}
ul,li,dl,dt,dd,p { padding: 0; margin: 0; list-style:none;}
h1,h2,h3,h4,h5 { padding: 0; margin: 0; font-weight:normal}
img {border:0px; height:auto; padding:0; display:inline-block; vertical-align:middle; max-width:100%;transition:all .5s; -webkit-transition:all .5s; -moz-transition:all .5s; -ms-transition:all .5s; -o-transition:all .5s;}

.padding-xl{padding: clamp(1.25rem, 0.375rem + 4.375vw, 5.625rem) 0;}
.padding-lg{padding: clamp(1.25rem, 0.5625rem + 3.4375vw, 4.6875rem) 0;}
.padding-sm{padding: clamp(1.25rem, 0.75vw + 2.5vw, 3.75rem) 0;}
.padding-xs{padding: clamp(1.25rem, 1rem + 1.25vw, 2.5rem) 0;}
.padding{padding:20px 0;}

.padding-top-xl{padding-top: clamp(1.25rem, 0.375rem + 4.375vw, 5.625rem);}
.padding-top-lg{padding-top: clamp(1.25rem, 0.5625rem + 3.4375vw, 4.6875rem);}
.padding-top-sm{padding-top: clamp(1.25rem, 0.75vw + 2.5vw, 3.75rem);}
.padding-top-xs{padding-top: clamp(1.25rem, 1rem + 1.25vw, 2.5rem);}
.padding-top{padding-top:20px;}

/*字体大小*/
.font16 {font-size: clamp(0.875rem, 0.7rem + 0.25vw, 1rem);}
.font18 {font-size: clamp(0.875rem, 0.675rem + 0.38vw, 1.125rem);}
.font20 {font-size: clamp(0.875rem, 0.8rem + 0.38vw, 1.25rem);}
.font22 {font-size: clamp(0.875rem, 0.775rem + 0.5vw, 1.375rem);}
.font24 {font-size: clamp(1rem, 0.75rem + 0.63vw, 1.5rem);}
.font26 {font-size: clamp(1rem, 0.725rem + 0.75vw, 1.625rem);}
.font28 {font-size: clamp(1rem, 0.7rem + 0.88vw, 1.75rem);}
.font30 {font-size: clamp(1rem, 0.675rem + 1vw, 1.875rem);}
.font32 {font-size: clamp(1rem, 0.675rem + 1.15vw, 2rem);}
.font36 {font-size: clamp(1rem, 0.75rem + 1.25vw, 2.25rem);}
.font42 {font-size: clamp(1.125rem, 0.825rem + 1.5vw, 2.625rem);}
.font48 {font-size: clamp(1.125rem, 0.75rem + 1.9vw, 3rem);}
.font54 {font-size: clamp(1.125rem, 0.75rem + 2.25vw, 3.375rem);}
.font60 {font-size: clamp(1.25rem, 0.75rem + 2.5vw, 3.75rem);}

* { box-sizing: border-box; margin: 0; padding: 0;}
body { font-family: "Microsoft JhengHei", 'Helvetica', Arial, sans-serif; font-size:14px; color: var(--text); background: var(--white); line-height: 1.8;}
a { text-decoration: none; color: inherit;}

header { position: sticky; top: 0; z-index: 20; background:var(--white); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(23,61,53,0.12);}
.nav { display: flex; justify-content: space-between; align-items: center; display: flex; height: 90px;}
.brand {background: url(../images/logo.png) no-repeat; background-size: 100%; width:275px; height:55px; display: block;}
@media screen and (max-width: 1400px) {
.brand {width:250px; height:50px;}
}
.menubtn { display: none; flex-direction: column; justify-content: space-between; width: 30px; height: 22px; cursor: pointer; background: transparent; border: none; z-index: 110;}
.menubtn span { width: 100%; height: 2px; background-color: var(--deep-blue); border-radius: 2px; transition: all 0.3s ease-in-out;}
.nav-menu ul { display: flex; gap: 40px; list-style: none;}
.nav-menu span{display: block; text-align: center;}
.nav-menu ul li a {text-align: center; text-decoration: none; display: block; line-height: 1.4; font-size: 16px; font-weight: 500; color: var(--deep-blue); transition: color 0.2s ease; padding: 5px 0; border-bottom: 2px solid transparent; }
.nav-menu ul li a:hover,.nav-menu ul li.on,.nav-menu ul li.on a { color: var(--deep-blue); border-bottom-color: var(--deep-blue);}
.menubtn { display: none; flex-direction: column; justify-content: space-between; width: 30px; height: 22px; cursor: pointer; background: transparent; border: none; z-index: 110;}
.menubtn span { width: 100%; height: 2px; background-color: var(--deep-blue); border-radius: 2px; transition: all 0.3s ease-in-out; }

.container { max-width: clamp(75rem, 90vw, 87.75rem); margin:0px auto;}
@media screen and (max-width: 1280px) {
    .container { max-width: 92%;}
}
.banner{overflow: hidden; width:100%;position: relative;}
.pc-img { display: block;}
.mob-img { display: none;}

.banner .container{ position: absolute; top: 0; left: 0; right: 0; bottom: 0; height: 100%;}
.hero {position: absolute; left:0; top:50%; transform: translateY(-50%);}
h1 { line-height: 1.2; color: var(--white); margin-bottom: 20px;}
.hero h1{/*font-family: "Times New Roman", Georgia, serif;*/ font-weight: 700; animation: bannertexttop 1s ease both 400ms;}
.tagline { color: var(--white); margin-bottom: 20px; animation: bannertextdow 1s ease both 600ms;}
.subcopy { max-width: 800px; color: var(--white); animation: bannertextdowbig 1s ease both 800ms;}
@keyframes bannertextright {0% {transform: translateX(-80px);opacity: 0;}100% {transform: translateX(0);opacity: 1;}}
@keyframes bannertextdow {0% {transform: translateY(40px);opacity: 0;}100% {transform: translateY(0);opacity: 1;}}
@keyframes bannertextdowbig {0% {transform: translateY(60px);opacity: 0;}100% {transform: translateY(0);opacity: 1;}}
@keyframes bannertexttop {0% {transform: translateY(-40px);opacity: 0;}100% {transform: translateY(0);opacity: 1;}}

.btn { padding: 10px 35px; border-radius: 999px; transition: all 0.2s ease; display: inline-block; line-height: 1.4; cursor: pointer;}
.btn-primary {color: var(--text); border:1px solid var(--muted); margin-top: 30px;}
.btn-secondary { border: 1px solid var(--deep-blue); color: var(--deep-blue);}
.btn:hover { transform: translateY(-2px);}
.btn.btn-primary:hover{background-color: var(--deep-blue); color:var(--white);}
.hero-visual { min-height: 430px; border: 1px solid rgba(23,61,53,0.16); background: linear-gradient(145deg, #ffffff 0%, #eef4f0 100%); position: relative; overflow: hidden; display: grid; place-items: center; box-shadow: 0 24px 70px rgba(16,35,31,0.08);}
.square-frame { width: 260px; height: 260px; border: 3px solid var(--cream); display: grid; place-items: center; transform: rotate(0deg);}
.circle-frame { width: 185px; height: 185px; border: 3px solid var(--deep-blue); border-radius: 50%; display: grid; place-items: center; color: var(--cream); letter-spacing: 0.08em;}
.visual-note { position: absolute; right: 30px; bottom: 28px; max-width: 230px; color: var(--muted); border-left: 3px solid var(--deep-blue); padding-left: 14px;}
.title-box{padding:0; line-height: 1.5;}
.section-title { color: var(--deep-blue); /*font-family: "Times New Roman", Georgia, serif;*/}
.section-lead { max-width: 760px; color: var(--deep-blue); text-transform: uppercase; font-weight: bold;}

.about-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 60px; align-items: center;}
.about-grid + .about-grid { margin-top: 80px;}
.about-text p { margin-bottom: 18px; color: var(--text);}
.about-text p:last-child { margin-bottom: 0;}
.about-text strong{color:#174674}

.services { background: linear-gradient(120deg,#edf2f7,#dbe4ed); padding: 92px 0; position: relative; overflow: hidden}
.services:after {content: ""; position: absolute; width: 460px; height: 460px; border: 1px solid rgba(11,31,58,.1); border-radius: 50%; right: -80px; top: -180px; box-shadow: 0 0 0 80px rgba(11,31,58,.025),0 0 0 160px rgba(11,31,58,.02)}

.why { background: var(--cream);}
.blue{color:#174674}
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;}
.why-grid-four { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;}
.why-item { border-radius: 6px; padding:25px; border: 1px solid var(--soft-blue); background:var(--white); overflow: hidden; box-shadow: 0 6px 20px rgba(11, 31, 58, .04);}
.why-item img {width:70px; height:70px; border: 1px solid var(--soft-blue); padding:8px;}
.why-item h3 { color: var(--deep-blue); font-weight: bold; padding:20px 0 5px;}

.sydc { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px;}
.sydc-item { border-radius: 6px; border: 1px solid var(--soft-blue); background:var(--white); overflow: hidden;}
.sydc-item:hover img{transform: scale(1.05);}
.sydc-item p { color: var(--deep-blue); padding:15px 20px; font-weight: bold;}

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: stretch;}
.contact-card-tit { color: var(--deep-blue);}
.contact-card { background: var(--white); color: var(--text);}
form { background: var(--white);}
.contact-grid p { margin-bottom: 16px;}
.contact-grid strong { color: var(--deep-blue);}
input { width: 100%; border: 1px solid rgba(23,61,53,0.18);}
textarea { width: 100%; border: 1px solid rgba(23,61,53,0.18); min-height: 130px; padding:10px 12px;}
.contact-grid .btn-primary {margin-top: 0px; background-color: var(--cream); color: var(--deep-blue);}
.contact-grid select { width: 100%; border: 1px solid rgba(23,61,53,0.18); padding: 12px; background: var(--white); color:#595757; font-size:14px; height:44px;}
.form-consent { font-size: 14px; color: var(--muted); margin-bottom: 8px;}
.company{background: url(../images/company.png) no-repeat left top; padding-left:40px;}
.address{background: url(../images/company1.png) no-repeat left top; padding-left:40px;}
.email{background: url(../images/company2.png) no-repeat left top; padding-left:40px;}
input.error, textarea.error, select.error { border-color: #ef4444; background-color: #fef2f2;}
.status { margin-top: 16px; padding: 10px; border-radius: 12px; font-size: 14px; text-align: center; display: none;}
.success { background: #dcfce7; color: #166534; display: block;}
.error { background: #fee2e2; color: #991b1b; display: block;}

footer { background: var(--deep-blue); color: rgba(255,255,255,0.72); padding:70px 0 40px;}
.foot { display: flex; justify-content: space-between;}
.foot-left {max-width: 450px;}
.foot-menu a{display: block; padding-top:5px;}
.foot-menu a:hover{color: var(--white);}
.foot-menu h3{padding-bottom:5px; font-size: 14px;}
.footlogo { width: 180px; height: auto;}
.foot h3{text-transform: uppercase; color: var(--white);}
.foot p{padding-top:10px;}
.copyright {padding-top: 20px; margin-top: 30px; border-top: 1px solid rgba(255,255,255,0.1);}
.footcontact{background: url(../images/footcontact.jpg) no-repeat center/cover; color: var(--white);}
.footcontact-grid { display:flex; justify-content: space-between; gap: 30px;}
.footcontact .title-box{width:35%;}
.footcontact .section-title { color: var(--cream); line-height: 1.2;}
.footcontact .foot-number{width:65%; line-height: 2;}

.presslist{padding:80px 0 0;}
.presslist ul{display: grid; grid-template-columns: repeat(5, 1fr); gap: 15px;}
.presslist li{ background: #fff;position: relative; padding:30px 20px; border-radius: 10px; box-shadow: 0 5px 20px rgba(16,35,31,0.08);}
.presslist li img{display:block; margin: 0px auto; max-width: 45px;}
.presslist li h3{font-size: 20px; font-weight: bold; margin:20px 0 10px; color: var(--deep-blue);}
.presslist li span{font-size: 16px; display: block;}
.presslist li p{width:50px;height:50px;line-height:50px;margin: 0 auto; color:#000; display: flex; align-items: center; justify-content: center; font-weight: bold; background: var(--soft-blue);border-radius: 100%;font-size: 18px;position: absolute; left:50%; transform: translateX(-50%); top:-25px;}
.presslist li p:after{content: "";display: block;width:50px;height:50px;border-radius: 50%; box-shadow: 0 0 0 0 var(--soft-blue);animation: ripple 2.3s infinite;position: absolute;top: 0;}
@keyframes ripple {
    70% {
    -webkit-box-shadow: 0 0 0 15px rgba(35, 7, 128, .0); box-shadow: 0 0 0 15px rgba(35, 7, 128, .0);
    }
    100% {
    -webkit-box-shadow: 0 0 0 0 rgba(35, 7, 128, .0); box-shadow: 0 0 0 0 rgba(35, 7, 128, .0);
    }
}


@media (max-width: 1024px) {
.container { max-width: 100%; margin:0 3%;}
.nav { height: 60px;}
.brand {background: url(../images/logo.png) no-repeat; background-size: 100%; width:175px; height:35px; display: block;}
.menubtn {display: flex;}
.nav-menu {position: fixed; top: 0; left: -100%; width: 100%; height: 100vh; background: rgba(248, 245, 239, 0.98); backdrop-filter: blur(20px); transition: left 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1); z-index: 105;}
.nav-menu ul{flex-direction: column; align-items: center; justify-content: center; gap: 20px; padding-top:100px;}
.nav-menu.active {left: 0;}
.nav-menu li a { font-weight: 500; color: #173d35; padding: 12px; display: inline-block;}
.menubtn.active span:nth-child(1) {transform: translateY(10px) rotate(45deg);}
.menubtn.active span:nth-child(2) {opacity: 0;}
.menubtn.active span:nth-child(3) {transform: translateY(-10px) rotate(-45deg);}
.pc-img { display: none;}
.mob-img { display: block;}
.hero { grid-template-columns: 1fr;}

.services {padding: 40px 0; text-align: center;}
.services:after {width: 130px; height: 130px; right: -20px; top: -20px; box-shadow: 0 0 0 80px rgba(11,31,58,.025),0 0 0 160px rgba(11,31,58,.02)}

.about-grid { grid-template-columns: 1fr; gap: 0px;}
.about-text{padding:20px 0 0;}
.about-text p { margin-bottom: 15px;}
.contact-grid { grid-template-columns: 1fr; gap: 20px;}

form { padding: 0px;}
.card h3 span{font-weight: bold;}
footer {padding: 20px 0;}
.foot {flex-direction: column;}
.foot-left {max-width: 100%; width: 100%; padding:10px 0 20px;}
.foot-menu{display: none;}
.footlogo { width: 150px; height: auto; padding-bottom:5px;}
.foot p{padding-top:5px;}

.copyright {padding-top: 10px; margin-top: 15px; text-align: center;}
.footcontact{background: url(../images/footcontact.jpg) no-repeat center/cover; color: var(--white);}
.footcontact-grid { flex-wrap:wrap; flex-direction: column; gap: 20px;}
.footcontact .title-box{width:100%;}
.footcontact .section-title { color: var(--cream); line-height: 1.2;}
.footcontact .foot-number{width:100%; line-height: 2;}

.cards { grid-template-columns: 1fr;} 
.approach-steps { grid-template-columns: 1fr 1fr; gap: 10px;} 
.why-grid { grid-template-columns: 1fr 1fr; gap: 6px;}
.why-item img {width:60px; height:60px; padding:8px;}
.why-item h3 {padding:10px 0 5px;}
.why-item { padding:3% 4%;}
.why-img {width:70px; height: 70px;}
.why-img img{width:50px;}
.fangfa .fangfabox{padding:3% 4%}
.fangfa h3 {margin-bottom: 5px;}
.item{flex-direction: column;}
.item img{width: 100%;}
.item .item-lt{width:100%;}
.item .item-rt{width:100%; padding-left:0px; padding:20px 0 0;}
.item:nth-child(2n){flex-direction: column;}
.item:nth-child(2n) .item-rt{width:100%; padding-right:00px; padding-left:0;}
.item + .item{margin-top:20px}

.why-grid-four { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px;}
.sydc { display: grid; grid-template-columns: repeat(1, 1fr); gap:10px;}
.sydc-item p { padding:10px 12px;}

.section-title { margin-bottom: 0; font-weight:bold;}
.section-title span { font-weight: normal; display: block;}
.section-lead { max-width: 100%;}

.btn { padding: 5px 15px;}
.btn-primary {margin-top: 15px;}

.presslist{padding:30px 0 0;}
.presslist ul{display: grid; grid-template-columns: repeat(1, 1fr); gap: 10px;}
.presslist li{ padding:12px 15px;}

.presslist li h3{font-size: 16px; margin:50px 0 5px;}
.presslist li span{font-size: 14px; display: block;}
.presslist li p{width:40px;height:40px;line-height:40px;font-size: 16px; top:10px;}
.presslist li p:after{content: "";display: block;width:40px;height:40px;top: 0;}

}