* {margin: 0;padding: 0;box-sizing: border-box;}
        body { font-family: "Microsoft Yahei", Arial, sans-serif; margin: 0 auto; color: #333; line-height: 1.6;}
        .breadcrumb {padding: 8px 15px;margin-bottom: 20px;list-style: none;background-color: #f5f5f5;border-radius: 4px;}
        .breadcrumb li {display: inline-block;}
        .breadcrumb li + li:before {padding: 0 5px;color: #ccc;content: "/\00a0";}
        .breadcrumb li a {color: #337ab7;text-decoration: none;}
        .breadcrumb li.active {color: #777;}
        .form-group {max-width: 500px;margin: 0 auto;}
        .form-control {display: inline-block;width: 100%;height: 40px;padding: 6px 12px;font-size: 25px;line-height: 1.42857143;color: #555;background-color: #fff;border: 1px solid #ccc;border-radius: 4px 0 0 4px;box-shadow: inset 0 1px 1px rgba(0,0,0,.075);}
        .form-control:focus {
            border-color: #ccc !important;
            outline: none !important;
            box-shadow: inset 0 1px 1px rgba(0,0,0,.075) !important;
        }
        .date-input-wrapper {position: relative;display: inline-flex;align-items: center;width: 200px;}
        #dateInput {width: calc(100% - 40px);border-right: none;appearance: textfield;-webkit-appearance: textfield;}
        .date-picker-btn {display: inline-block;width: 40px;height: 40px;line-height: 38px;text-align: center;border: 1px solid #ccc;border-left: none;border-radius: 0 4px 4px 0;color: #337ab7;cursor: pointer;font-size: 22px;transition: all 0.2s ease;position: relative;z-index: 10;}
        .date-picker-btn:hover {background-color: #e9e9e9;color: #286090;border-color: #adadad;}
        .date-picker-btn:active {background-color: #e0e0e0;transform: scale(0.98);}
        .calendar-popup {position: absolute;top: 40px;left: 0;width: 280px;background: #fff;border: 1px solid #ccc;border-radius: 4px;box-shadow: 0 2px 10px rgba(0,0,0,0.1);padding: 10px;z-index: 100;display: none;}
        .calendar-popup.show {display: block;}
        .calendar-header {display: flex;justify-content: space-between;align-items: center;margin-bottom: 10px;padding-bottom: 5px;border-bottom: 1px solid #eee;gap: 5px;}
        .calendar-header button {background: transparent;border: none;cursor: pointer;font-size: 16px;color: #337ab7;width: 30px;height: 30px;line-height: 30px;border-radius: 4px;flex-shrink: 0;}
        .calendar-header button:hover {background: #f0f0f0;}
        .calendar-select {height: 30px;padding: 0 5px;border: 1px solid #eee;border-radius: 4px;font-size: 14px;color: #333;background: #fff;cursor: pointer;}
        .calendar-select-year {width: 80px;}
        .calendar-select-month {width: 60px;}
        .calendar-week {display: flex;background: #f8f8f8;border-radius: 4px 4px 0 0;}
        .calendar-week span {flex: 1;text-align: center;padding: 5px 0;font-size: 12px;}
        .calendar-week span.sun {color: red;}
        .calendar-days {display: flex;flex-wrap: wrap;}
        .calendar-day {width: 14.28%;height: 30px;display: flex;align-items: center;justify-content: center;cursor: pointer;font-size: 14px;border-radius: 4px;}
        .calendar-day:hover {background: #e9e9e9;}
        .calendar-day.active {background: #337ab7;color: #fff;}
        .calendar-day.other-month {color: #ccc;}
        .calendar-day.sun {color: red;}
        .calendar-day.sun.active {color: #fff;}
        .calendar-footer {display: flex;justify-content: space-between;margin-top: 10px;padding-top: 5px;border-top: 1px solid #eee;}
        .calendar-footer button {padding: 5px 10px;background: #337ab7;color: #fff;border: none;border-radius: 4px;cursor: pointer;font-size: 12px;}
        .calendar-footer button:hover {background: #286090;}
        .form-control.input-sm {height: 38px;padding: 5px 10px;font-size: 18px;border-radius: 0;font-weight: 600;}
        .form-control.input-sm:focus {
            border-color: #ced4da !important;
            outline: none !important;
            box-shadow: none !important;
        }
        .form-control[readonly] {opacity: 1;}
        .btn {display: inline-block;padding: 6px 12px;margin-bottom: 0;font-size: 14px;font-weight: 400;line-height: 1.42857143;text-align: center;white-space: nowrap;vertical-align: middle;cursor: pointer;background-image: none;border: 1px solid transparent;border-radius: 4px;text-decoration: none;height: 38px;display: flex;align-items: center;justify-content: center;padding: 0 12px;}
        .btn-primary {color: #fff;background-color: #337ab7;border-color: #2e6da4;}
        .btn-primary:hover {background-color: #286090;border-color: #204d74;}
        .btn-sm {padding: 5px 10px;font-size: 12px;line-height: 1.5;border-radius: 3px;}
        table {width: 100%;max-width: 100%;margin-bottom: 20px;border-collapse: collapse;}
        .table {width: 100%;margin-bottom: 1rem;}
        .table-bordered {border: 1px solid #ddd;}
        .table-bordered th,.table-bordered td {padding: 8px;line-height: 1.42857143;vertical-align: middle;border: 1px solid #ddd;text-align: center !important;}
        .table-header-bg {background-color: #d1e1ef !important;font-weight: bold;}
        .text-center {text-align: center !important;}
        .text-left {text-align: left !important;}
        .table-responsive {min-height: .01%;overflow-x: auto;}
        .date-converter {margin: 15px 0;border-radius: 4px;color: #333;}
        .tdriqi {text-align: center;padding: 5px 0;}
        .tdriqi a {display: block;padding: 5px 0 0 0;text-align: center;font-size: 22px;color: #333;text-decoration: none;}
        .tdriqi .day-cn-link {display: inline-block;font-size: 16px;color: #337ab7;text-decoration: none;margin-top: 4px;}
        .tdriqi .day-cn-link:hover {text-decoration: underline;}
        .tdriqi.bg-highlight {background-color: #6699FF;}
        .muted {color: #777;}
        #main_container {
            max-width: 1000px;
            margin: 0 auto;
            padding:16px 30px;
        }
        h1 {font-size: 36px;margin-top: 20px;margin-bottom: 10px;text-align: center;}
        h2 {font-size: 20px;margin-top: 12px;margin-bottom: 10px;text-align: left;}
        hr { border: 0;border-top: 1px solid #eee;}
        p {margin: 0 0 10px;}
        b, strong {font-weight: bold;}
        .sun {color: red;font-weight: bold;}
        .copy-tip {position: fixed;top: 50%;left: 50%;transform: translate(-50%, -50%);padding: 8px 16px;background-color: rgba(0,0,0,0.7);color: #fff;border-radius: 4px;font-size: 14px;opacity: 0;pointer-events: none;transition: opacity .3s;z-index: 9999;}
        .copy-tip.show {opacity: 1;}
        
        .result-display {
            background: #f8f9fa;
            border-left: 4px solid #337ab7;
            padding: 15px;
            margin-bottom: 20px;
            font-size: 18px;
            border-radius: 0 4px 4px 0;
            display: block !important;
        }
        .result-display strong {
            color: #d9534f;
        }
        
        @media screen and (max-width: 767px) {
            .table-responsive {width: 100%;margin-bottom: 15px;overflow-y: hidden;-ms-overflow-style: -ms-autohiding-scrollbar;border: 1px solid #ddd;}
            .result-display {
                font-size: 16px;
                padding: 10px;
            }
        }
        @media (max-width: 768px) {
            .table-responsive {margin-bottom: 15px;}
            .date-converter {padding: 15px;}
            .tdriqi a {font-size: 18px;}
            .tdriqi .day-cn-link {font-size: 14px;}
            .date-input-wrapper {width: 100%;margin-bottom: 10px;}
            .btn {width: 100% !important;margin: 5px 0 !important;height: auto !important;padding: 6px 12px !important;}
            .form-control {width: 100% !important;}
            input[name="Result"] {width: 100% !important;margin-bottom: 10px;}
            .calendar-popup {width: 100%;}
            #main_container {
                width: 100%;
                padding: 16px 15px;
            }
        }
        .header {
            background: #fff;
            border-bottom: 1px solid #eee;
            position: relative;
            z-index: 999;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .octive{
            background: #2896F0;
            padding: 6px 10px; border-radius: 5px;
        }
        .menu-btn {
            width: 30px;
            height: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-around;
            cursor: pointer;
            display: none;
        }
        .menu-btn span {
            width: 100%;
            height: 3px;
            background: #333;
            border-radius: 2px;
        }
        .header-title {
            font-size: 22px;
            color: #333;
            text-align: center;
            flex: 1;
            margin: 0 20px;
        }
        .nav-bar {
            background: #2175d9;
            padding: 12px 20px;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 5px;
            justify-content: flex-start;
            max-width: 939.9px;
            margin: 0 auto;
        }
        .nav-list li a {
            color: #fff;
            text-decoration: none;
            font-size: 16px;padding: 6px 10px; 
        }
        .nav-list li a:hover {
           background: #2896F0;
           padding: 6px 10px; border-radius: 5px; 
        }
        .mobile-menu {
            position: fixed;
            top: 0;
            left: -280px;
            width: 280px;
            height: 100vh;
            background: #fff;
            box-shadow: 2px 0 10px rgba(0,0,0,0.2);
            padding-top: 70px;
            transition: left 0.3s ease;
            z-index: 9999;
        }
        .mobile-menu.active {
            left: 0;
        }
        .mobile-nav-list {
            list-style: none;
            padding: 0 20px;
        }
        .mobile-nav-list li {
            border-bottom: 1px solid #eee;
        }
        .mobile-nav-list li a {
            display: block;
            padding: 15px 0;
            color: #333;
            text-decoration: none;
            font-size: 16px;
        }
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 9998;
        }
        .overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .footer {
            text-align: center;
            padding: 20px;
            color: #666;
            font-size: 14px;
            background: #f8f9fa;
            margin-top: 30px;
            max-width: 940px;
            margin-left: auto;
            margin-right: auto;
            border-radius: 4px;
        }
        .footer a {
            color: #666;  
            text-decoration: none;
        }
        .footer a:hover {
            color: #ff0000;  
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: #4361ee;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 9999;
            line-height: 1;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: #3a56d4;
        }
        @media (max-width: 1024px) {
            .menu-btn {
                display: flex;
            }
            .nav-bar {
                display: none;
            }
            .back-to-top {
                width: 45px;
                height: 45px;
                font-size: 18px;
                bottom: 20px;
                right: 20px;
            }
            .header, .footer {
                max-width: 100%;
                padding-left: 15px;
                padding-right: 15px;
            }
        }

        /* 金额换算工具样式 */
        .money-converter {
            margin: 15px 0;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid #eee;
        }
        .convert-item {
            margin-bottom: 15px;
        }
        .input-group {
            display: flex;
            width: 100%;
        }
        .input-group-prepend, .input-group-append {
            display: flex;
            align-items: center;
        }
        .input-group-prepend .btn {
            border-radius: 4px 0 0 4px;
            margin-bottom: 0;
            border: 1px solid #ced4da;
            border-right: none;height: 40px;
        }
        .input-group-append .input-group-text {
            display: flex;
            align-items: center;
            padding: 0 12px;
            font-size: 14px;
            font-weight: 400;
            line-height: 1;
            color: #555;
            text-align: center;
            border: 1px solid #ced4da;
            border-radius: 0 4px 4px 0;
            height: 40px; border-left:none ;
            margin: 0;
        }
        .convert-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 20px;
        }
        @media (max-width: 768px) {
            .convert-grid {
                grid-template-columns: 1fr;
            }
        }
        .copy-btn {
            cursor: pointer;
            border-color: #6c757d;
            color: #666;
        }
        .copy-btn:hover {
            background-color: #ccc;
        }
        .form-control.number-input {
            border-radius: 0;
            border: 1px solid #ced4da;
        }
        .formula-section {
            margin-top: 30px;
            padding: 15px;
            border-radius: 4px;border: 1px solid #eee;
        }
        .formula-section h3 {
            font-size: 18px;
            margin-bottom: 15px;
            color: #337ab7;
        }
        .formula-list {
            line-height: 2;
        }

        /* 本地化复制图标样式 */
        .copy-icon {
            display: inline-block;
            width: 16px;
            height: 16px;
            position: relative;
            box-sizing: border-box;
        }
        .copy-icon::before,
        .copy-icon::after {
            content: '';
            position: absolute;
            border: 1px solid currentColor;
            background: transparent;
        }
        .copy-icon::before {
            width: 10px;
            height: 10px;
            top: 0;
            left: 0;
            border-radius: 2px 0 0 0;
        }
        .copy-icon::after {
            width: 8px;
            height: 8px;
            bottom: 0;
            right: 0;
            border-radius: 0 0 2px 0;
        }