body{background:#fff;color:#172b4a}.container{max-width:1240px}.site-header{border-bottom:1px solid #e6ebf1}.site-header .logo-text{font-size:25px!important;letter-spacing:-.5px}.main-nav .nav-link{font-size:16px;color:#334969}.header-inner{padding:23px 0}.fifth-brand-hero{background:#fff!important;padding:65px 0 49px!important;text-align:center;border-bottom:1px solid #e5ebf3}.fifth-brand-hero .fifth-eyebrow{color:#607796;font-size:12px;margin-bottom:22px}.fifth-brand-hero h1{font-size:48px;line-height:1.4;color:#152c50;font-weight:700;letter-spacing:-1.5px;margin:0 0 23px}.fifth-brand-hero h1 span{color:#2256c2}.fifth-brand-hero>div>p{font-size:17px;line-height:1.95;color:#5d7495;max-width:850px;margin:0 auto}.fifth-brand-trust{display:flex;justify-content:center;flex-wrap:wrap;gap:18px 34px;margin-top:28px;font-size:13px;color:#375d91}.fifth-brand-trust span:before{content:'✓';color:#21826e;margin-right:8px}.fifth-flat-catalog{padding:42px 0 55px}.fifth-flat-catalog .section-header{text-align:center;margin-bottom:27px}.fifth-flat-catalog .section-header h2{font-size:30px;color:#203b64}.fifth-flat-filters{justify-content:center;gap:10px;margin-bottom:28px}.fifth-flat-filters button{font-size:14px;padding:12px 23px;color:#47628c;border-color:#d5dfee;background:#fff;border-radius:6px}.fifth-flat-filters button[aria-pressed=true]{background:#2254be;border-color:#2254be}.fifth-table-wrap{border:1px solid #dce5f2;border-radius:10px;overflow:hidden;box-shadow:0 8px 30px #233c5e04}.fifth-product-table{width:100%;border-collapse:collapse;background:#fff}.fifth-product-table th{text-align:left;background:#f5f8fd;color:#5c7498;font-size:13px;font-weight:500;padding:17px 20px;border-bottom:1px solid #dfe7f2}.fifth-product-table td{padding:23px 20px;border-bottom:1px solid #e8edf5;vertical-align:middle;color:#607ca0;font-size:12px}.fifth-product-table tr:last-child td{border-bottom:0}.fifth-product-table tbody tr:hover{background:#fbfcff}.fifth-product-table th:first-child{width:53%}.fifth-table-name{display:block;font-size:17px;font-weight:550;line-height:1.7;color:#203e6c}.fifth-table-name:hover{color:#2254be}.fifth-product-table td>small{display:block;color:#8298b5;font-size:11px;line-height:1.8;margin-top:6px}.fifth-product-table td:nth-child(4)>small{display:inline-block;margin-left:2px}.fifth-table-stock{display:inline-block;white-space:nowrap;color:#1e8056;background:#eaf7ef;border:1px solid #cfe6d7;border-radius:4px;padding:5px 8px;font-size:10px}.fifth-table-price{font-size:22px;font-weight:600;color:#2254be;white-space:nowrap;letter-spacing:-.5px}.fifth-table-buy{display:inline-block;padding:13px 18px;font-size:13px;font-weight:600;background:#2254be;color:#fff;border-radius:5px;white-space:nowrap}.fifth-table-buy:hover{background:#193f94}.reference-service-section,.reference-service-section:nth-of-type(even){border-top:1px solid #e6edf4;background:#fff!important}.section-header{margin-bottom:30px}.section-header h2{font-size:30px}.section-header p{color:#7186a4;font-size:14px}.feature-card{border-radius:10px!important;border-color:#e0e8f2!important;padding:30px!important}.reference-service-section .feature-icon,.reference-service-section .process-icon{border-radius:50%!important;background:#2254be!important}.guarantee-card{border-top:1px solid #dce5f1!important;border-radius:10px!important}.feature-card h3,.guarantee-card h3,.process-card h3{font-size:19px;color:#264671}.feature-card p,.guarantee-card p,.process-card p{font-size:14px;color:#647e9f}.description-d-content{max-width:930px}.description-d-content p{font-size:16px;line-height:2.15!important;color:#425f85!important;margin-bottom:26px!important}.product-d-title{font-size:28px!important;color:#203f6a!important}.product-d-detail{border-radius:10px!important;border-color:#dfe7f2!important}.purchase-options{background:#fff!important}.product-card .btn-buy,.purchase-options .btn-primary{background:#2254be!important}.product-d-price,.product-price,.total-price{color:#2254be!important}.site-footer{background:#fff!important;color:#5e789d!important;border-color:#dce6f2}
@media(max-width:1000px){.fifth-brand-hero h1{font-size:39px}.fifth-product-table td,.fifth-product-table th{padding-left:14px;padding-right:14px}.fifth-table-name{font-size:15px}.fifth-table-buy{font-size:12px;padding:12px}.fifth-product-table th:first-child{width:48%}.fifth-table-type{font-size:10px!important}}
@media(max-width:640px){.site-header .logo-text{font-size:20px!important}.fifth-brand-hero{padding:35px 0 30px!important}.fifth-brand-hero h1{font-size:30px;letter-spacing:-1px}.fifth-brand-hero h1 span{display:block;margin-top:5px;font-size:26px}.fifth-brand-hero>div>p{font-size:14px;line-height:1.9}.fifth-brand-trust{font-size:11px;gap:12px 20px;margin-top:22px}.fifth-flat-catalog{padding-top:30px}.fifth-flat-catalog .section-header h2{font-size:25px}.fifth-flat-filters{gap:7px;justify-content:flex-start}.fifth-flat-filters button{font-size:11px;padding:10px 12px}.fifth-product-table thead{display:none}.fifth-product-table,.fifth-product-table tbody{display:block}.fifth-product-table tr{display:grid;grid-template-columns:1fr 116px;gap:12px 10px;padding:20px 17px;border-bottom:1px solid #e1e9f4}.fifth-product-table tr[hidden]{display:none!important}.fifth-product-table tr:last-child{border:0}.fifth-product-table td{display:block;padding:0;border:0}.fifth-product-table td:first-child{grid-column:1/-1}.fifth-product-table td.fifth-table-type{display:none}.fifth-product-table td:nth-child(3){grid-column:1;grid-row:2;align-self:center}.fifth-product-table td:nth-child(4){grid-column:1;grid-row:3}.fifth-product-table td:nth-child(5){grid-column:2;grid-row:2/span 2;align-self:center;text-align:right}.fifth-table-name{font-size:16px}.fifth-product-table td>small{font-size:10px}.fifth-table-price{font-size:24px}.fifth-table-buy{font-size:13px;padding:14px 17px}.fifth-table-stock{font-size:10px}.description-d-content p{font-size:15px}.product-d-title{font-size:24px!important}}
/* 品牌渐变：青绿—宝蓝—玫红 */
:root{--primary:#315fda;--primary-dark:#2449aa;--secondary:#20c8c0;--gradient:linear-gradient(115deg,#20c8c0 0%,#3868dd 53%,#ed4779 100%);--gradient-hover:linear-gradient(115deg,#17a9a3 0%,#2d53bc 53%,#d53567 100%)}
.fifth-brand-hero h1{background:linear-gradient(110deg,#16b9b5 5%,#3868dd 51%,#ec477b 96%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;display:inline-block}.fifth-brand-hero h1 span{color:inherit;-webkit-text-fill-color:inherit}.fifth-table-buy,.product-card .btn-buy,.purchase-options .btn-primary{background:var(--gradient)!important;color:#fff!important;box-shadow:0 6px 15px #3868dd14!important}.fifth-table-buy:hover,.product-card .btn-buy:hover,.purchase-options .btn-primary:hover{background:var(--gradient-hover)!important}.fifth-flat-filters button[aria-pressed=true]{background:linear-gradient(110deg,#20b8bf,#3868dd)!important;border-color:transparent}.reference-service-section .feature-icon,.reference-service-section .process-icon{background:var(--gradient)!important}.fifth-brand-trust span:before{color:#16a9aa}.fifth-brand-hero .fifth-eyebrow{color:#5677b0}.fifth-table-price,.product-d-price,.product-price,.total-price{color:#3864c9!important}.section-header h2{color:#253d66}.section-header h2:after{content:'';display:block;width:50px;height:3px;margin:15px auto 0;border-radius:3px;background:var(--gradient)}.cosmic-faq .section-header h2:after{margin-left:0}.guarantee-card{border-top:2px solid #597ddd!important}.main-nav .nav-link:hover{color:#3868dd}

/* 移除标题下方装饰线 */
.section-header h2:after,.section-title:after,.section-title::after,.reference-heading h2:after{display:none!important;content:none!important}


.fifth-functions-visual{margin:25px 0 5px;width:100%}.fifth-functions-visual img{display:block;width:100%;height:auto}@media(max-width:640px){.fifth-functions-visual{overflow-x:auto;margin-top:20px;padding-bottom:4px}.fifth-functions-visual img{min-width:660px;height:auto}}


@media(max-width:640px){.fifth-functions-visual{overflow:visible}.fifth-functions-visual img{min-width:0;width:100%;height:auto}}


.fifth-function-banner{margin:0;width:100%}.fifth-flat-catalog .section-header:has(.fifth-function-banner){margin-bottom:24px}.fifth-function-banner img{border-radius:10px}.fifth-flat-catalog{padding-top:30px}@media(max-width:640px){.fifth-function-banner{margin:0}.fifth-flat-catalog{padding-top:24px}}


.feiyue-cn{display:block}.site-header .logo-text .feiyue-en{display:flex;align-items:center;gap:9px;margin-top:9px;font-family:Arial,sans-serif;font-size:11px;font-weight:700;letter-spacing:2.2px;color:#31569a;line-height:1}.feiyue-en>span{font-size:7px;letter-spacing:1.2px;color:#7487a5;font-weight:400}.feiyue-hero-wordmark{font-family:Arial,sans-serif;font-size:15px!important;font-weight:700;letter-spacing:4px!important;color:#31569a!important}.feiyue-hero-wordmark>span{display:block;margin-top:10px;font-size:9px;letter-spacing:3px;font-weight:400;color:#7185a4}@media(max-width:640px){.site-header .logo-text .feiyue-en{font-size:9px;letter-spacing:1.8px;gap:7px}.feiyue-en>span{font-size:6px;letter-spacing:.8px}.feiyue-hero-wordmark{font-size:13px!important}}