header {
    height: 100px;
    background: #ffffff;
}

    header .start-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 100px;
    }

        header .start-header .logo {
            width: 250px;
            height: 70px;
        }

            header .start-header .logo img {
                width: 250px;
                height: 70px;
            }

.start-main {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 620px;
    padding: 60px 0 50px;
}

    .start-main .starter {
        flex-grow: 1;
        min-width: 0;
    }

        .start-main .starter img {
            width: 750px;
            height: 560px;
        }

    .start-main .form {
        width: 400px;
        height: 560px;
        padding: 38px 50px 20px;
        background: #ffffff;
        border-radius: 4px;
        border: 1px solid rgba(0, 0, 0, 0.1);
    }



        .start-main .form .title {
            margin: 0 0 26px;
            font-size: 18px;
            color: #2681f6;
        }

        .start-main .form .tabs {
            margin: 0 0 30px;
        }

            .start-main .form .tabs .tab {
                display: inline-block;
                vertical-align: top;
                line-height: 40px;
                margin: 0 40px 0 0;
                border-bottom: 2px solid transparent;
                font-size: 18px;
                cursor: pointer;
            }

                .start-main .form .tabs .tab:last-child {
                    margin-right: 0;
                }

                .start-main .form .tabs .tab.active {
                    color: #2681f6;
                    border-bottom: 2px solid #2681f6;
                }

        .start-main .form .inputs .input {
            margin: 0 0 20px;
        }

            .start-main .form .inputs .input.code {
                display: flex;
                flex-flow: row nowrap;
                align-items: center;
            }

            .start-main .form .inputs .input input {
                width: 100%;
                height: 40px;
                padding: 12px;
                border-radius: 4px;
                border: 1px solid rgba(0, 0, 0, 0.1);
                font-size: 14px;
            }

            .start-main .form .inputs .input.code input {
                flex-grow: 1;
                min-width: 0;
                border-top-right-radius: 0;
                border-bottom-right-radius: 0;
            }


                .start-main .form .inputs .input.code input[type="button"].code-btn {
                    width: 96px;
                    height: 40px;
                    line-height: 40px;
                    border: 1px solid rgba(0, 0, 0, 0.1);
                    border-left: 1px solid transparent;
                    border-radius: 0 4px 4px 0;
                    color: #2681f6;
                    background: #fff;
                    font-size: 14px;
                    text-align: center;
                    cursor: pointer;
                    flex: none;
                    padding: 0;
                }

                .start-main .form .inputs .input.code input[type="button"]:disabled {
                    background-color: #F5F5F5;
                    color: black;
                }



            .start-main .form .inputs .input input:focus {
                border: 1px solid #2681f6;
            }

            .start-main .form .inputs .input.error input, .start-main .form .inputs .input.error input:focus {
                border-color: #ff3550;
            }

            .start-main .form .inputs .input .checker {
                padding: 10px 0 0;
            }

                .start-main .form .inputs .input .checker .progress {
                    display: flex;
                    flex-flow: row nowrap;
                    justify-content: space-between;
                    align-items: center;
                    padding: 0 0 4px;
                }

                    .start-main .form .inputs .input .checker .progress .item,
                    .start-main .form .inputs .input .checker .progress .text {
                        width: 72px;
                        font-size: 12px;
                        color: #9ca9b5;
                        text-align: center;
                    }

                    .start-main .form .inputs .input .checker .progress .item {
                        height: 4px;
                        background: rgba(156, 169, 181, 0.2);
                    }

                .start-main .form .inputs .input .checker.low .progress .item:first-child {
                    background: #ff3550;
                }

                .start-main .form .inputs .input .checker.middle .progress .item:first-child,
                .start-main .form .inputs .input .checker.middle .progress .item:nth-child(2) {
                    background: #ff7f50;
                }

                .start-main .form .inputs .input .checker.high .progress .item {
                    background: green;
                }

                .start-main .form .inputs .input .checker .desc {
                    color: #9ca9b5;
                    font-size: 12px;
                }

                .start-main .form .inputs .input .checker.error .desc {
                    color: #ff3550;
                }

                .start-main .form .inputs .input .checker.low .progress .text {
                    color: #ff3550;
                }

                .start-main .form .inputs .input .checker.middle .progress .text {
                    color: #ff7f50;
                }

                .start-main .form .inputs .input .checker.high .progress .text {
                    color: green;
                }

        .start-main .form .inputs .tip {
            display: flex;
            flex-flow: row nowrap;
            align-items: center;
            padding: 8px 0 0;
            color: #596a7b;
            font-size: 14px;
        }

            .start-main .form .inputs .tip img {
                position: relative;
                top: -1px;
                height: 18px;
                width: 18px;
                margin: 0 4px 0 0;
                cursor: pointer;
            }

            .start-main .form .inputs .tip .check-icon.active .check,
            .start-main .form .inputs .tip .check-icon .checked {
                display: none;
            }

            .start-main .form .inputs .tip .check-icon .check,
            .start-main .form .inputs .tip .check-icon.active .checked {
                display: block;
            }

            .start-main .form .inputs .tip a {
                color: #2681f6;
            }

        .start-main .form .inputs .control {
            padding: 12px 0;
        }

            .start-main .form .inputs .control .submit {
                width: 100%;
                height: 40px;
                line-height: 40px;
                background: rgba(38, 129, 246, 1);
                box-shadow: 0px 6px 10px 0px rgba(21, 91, 181, 0.1);
                border-radius: 4px;
                color: #ffffff;
                opacity: 1;
                cursor: pointer;
                border: none;
            }

                .start-main .form .inputs .control .submit:disabled {
                    opacity: 0.5;
                }

        .start-main .form .inputs .link {
            padding: 8px 0 0;
            color: #999999;
            font-size: 14px;
            text-align: center;
        }

            .start-main .form .inputs .link a {
                color: #2681f6;
            }