:root {
    --bg: #f4f7fb;
    --card: #ffffff;

    --text: #172033;
    --muted: #6b7280;

    --line: #dce3ec;

    --brand: #17385f;
    --brand-light: #eaf2fb;

    --radius: 14px;
}


* {
    box-sizing: border-box;
}


html {
    width: 100%;
    max-width: 100%;

    overflow-x: hidden;

    -webkit-text-size-adjust: 100%;
}


body {
    width: 100%;
    max-width: 100%;

    margin: 0;

    overflow-x: hidden;

    background: var(--bg);

    color: var(--text);

    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "PingFang SC",
        "Microsoft YaHei",
        Arial,
        sans-serif;

    line-height: 1.55;
}


#app {
    width: 100%;
    max-width: 760px;

    margin: 0 auto;

    padding:
        18px
        14px
        30px;
}


h1 {
    margin:
        0
        0
        12px;

    font-size: 28px;
    line-height: 1.2;
    font-weight: 750;
}


h2 {
    margin:
        20px
        0
        8px;

    font-size: 21px;
    line-height: 1.3;
}


p {
    margin:
        7px
        0
        12px;

    color: var(--muted);
}


button {
    width: 100%;

    min-height: 48px;

    margin-top: 10px;

    padding:
        10px
        16px;

    border: 0;

    border-radius: 12px;

    background: var(--brand);

    color: #ffffff;

    font-size: 17px;
    font-weight: 650;

    cursor: pointer;

    -webkit-tap-highlight-color: transparent;
}


button:active {
    transform: scale(0.985);
}


button:disabled {
    cursor: default;
}


.login-page {
    min-height:
        calc(100vh - 48px);

    display: flex;

    flex-direction: column;

    justify-content: center;

    align-items: center;

    padding-bottom: 12vh;

    text-align: center;
}


.login-page h1 {
    margin-bottom: 34px;

    font-size: 30px;
}


.login-page .survey-input,
.login-page button {
    width: 100%;

    max-width: 280px;

    margin-left: auto;

    margin-right: auto;
}


.login-page .survey-input {
    margin-top: 0;

    text-align: center;
}


#loginError {
    min-height: 24px;

    margin-top: 12px;
}


.form-card {
    margin:
        16px
        0;

    padding:
        16px;

    background: var(--card);

    border:
        1px
        solid
        var(--line);

    border-radius: var(--radius);
}


.form-card label {
    display: block;

    margin-bottom: 14px;

    font-size: 15px;
    font-weight: 650;
}


.form-card label:last-child {
    margin-bottom: 0;
}


.survey-input,
.survey-textarea {
    width: 100%;

    margin-top: 7px;

    border:
        1px
        solid
        #cfd8e3;

    border-radius: 10px;

    background: #ffffff;

    color: var(--text);

    font-size: 17px;

    outline: none;
}


.survey-input {
    min-height: 46px;

    padding:
        8px
        12px;
}


.survey-textarea {
    min-height: 76px;

    padding:
        10px
        12px;

    resize: vertical;

    line-height: 1.5;
}


.survey-input:focus,
.survey-textarea:focus {
    border-color: var(--brand);

    box-shadow:
        0
        0
        0
        2px
        rgba(23, 56, 95, 0.08);
}


.organization-selected p,
.selected-organization-row p {
    margin:
        0
        0
        5px;

    font-size: 14px;
}


.organization-selected strong,
.selected-organization-row strong {
    display: block;

    color: var(--text);

    font-size: 18px;
    line-height: 1.4;
}


.organization-result-btn {
    display: block;

    width: 100%;

    min-height: 50px;

    margin:
        0
        0
        8px;

    padding:
        11px
        13px;

    border:
        1px
        solid
        var(--line);

    border-radius: 11px;

    background: #ffffff;

    color: var(--text);

    text-align: left;
}


.organization-result-btn span {
    display: block;

    font-size: 16px;
    font-weight: 650;
}


.organization-result-btn small {
    display: block;

    margin-top: 3px;

    color: var(--muted);

    font-size: 13px;
}


#organizationResults {
    margin-top: 12px;
}


#continueOrganizationBtn,
#changeOrganizationBtn {
    margin-top: 12px;
}


.scene-direct-btn {
    width: 100% !important;

    min-height: 50px !important;

    margin:
        0
        0
        8px !important;

    padding:
        11px
        13px !important;

    text-align: left !important;

    border:
        1px
        solid
        var(--line) !important;

    border-radius: 11px !important;

    background:
        #ffffff !important;

    color:
        var(--text) !important;

    font-size:
        16px !important;

    font-weight:
        650 !important;
}


/* =========================================================
   场景选择状态
   已开通：浅蓝，按下变深蓝
   未开通：灰色，不可点击
   ========================================================= */

.scene-direct-btn.scene-enabled {
    border:
        2px
        solid
        #7fa9d6 !important;

    background:
        #eaf2fb !important;

    color:
        #17385f !important;

    cursor: pointer !important;
}

.scene-direct-btn.scene-enabled:active {
    border-color:
        #17385f !important;

    background:
        #17385f !important;

    color:
        #ffffff !important;

    transform:
        scale(0.985);
}

.scene-direct-btn.scene-disabled,
.scene-direct-btn:disabled {
    border:
        1px
        solid
        #d4d9df !important;

    background:
        #eef1f4 !important;

    color:
        #9aa3ad !important;

    cursor: default !important;

    opacity: 1 !important;
}


.survey-page {
    width: 100%;
}


.survey-topbar,
.result-topbar {
    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 12px;

    margin-bottom: 14px;
}


.survey-context {
    font-size: 16px;
    font-weight: 700;
}


.survey-step-text {
    margin-bottom: 7px;

    font-size: 14px;

    color: var(--muted);
}


.survey-progress {
    height: 5px;

    margin-bottom: 22px;

    overflow: hidden;

    border-radius: 10px;

    background: var(--line);
}


.survey-progress-bar {
    height: 100%;

    background: var(--brand);
}


.survey-question {
    margin: 0;

    padding:
        17px
        13px;

    background: var(--card);

    border:
        1px
        solid
        var(--line);

    border-radius: var(--radius);
}


.question-title {
    margin-bottom: 16px;

    color: var(--text);

    font-size: 21px;
    font-weight: 750;

    line-height: 1.35;
}


.survey-options {
    display: flex;

    flex-wrap: wrap;

    gap: 8px;
}


.survey-choice {
    display: inline-flex;

    align-items: center;

    width: auto;

    min-height: 40px;

    margin: 0;

    padding:
        7px
        10px;

    border:
        1px
        solid
        #d4dce6;

    border-radius: 11px;

    background: #ffffff;

    color: var(--text);

    font-size: 16px;

    font-weight: 600;

    line-height: 1.25;
}


.survey-choice input {
    width: 17px;

    height: 17px;

    margin:
        0
        6px
        0
        0;

    accent-color: var(--brand);
}


.survey-choice:has(input:checked) {
    border-color: var(--brand);

    background: var(--brand-light);

    color: var(--brand);
}


.survey-note {
    margin-top: 14px;

    color: var(--brand);
}


.survey-note summary {
    display: inline-block;

    cursor: pointer;

    font-size: 14px;

    font-weight: 650;

    list-style: none;
}


.survey-note summary::-webkit-details-marker {
    display: none;
}


.survey-note[open] summary {
    margin-bottom: 8px;
}


/* =========================================================
   顶部关闭按钮
   ========================================================= */

#exitSurveyBtn,
#closeResultBtn {
    width: 36px !important;

    min-width: 36px !important;

    height: 36px !important;

    min-height: 36px !important;

    margin: 0 !important;

    padding: 0 !important;

    border-radius: 10px !important;

    background: #eef1f5 !important;

    color: var(--text) !important;

    font-size: 21px !important;

    font-weight: 700 !important;
}


/* =========================================================
   底部调查导航
   左右各自对齐
   中间至少 6mm
   ========================================================= */

.survey-nav {
    width: 100%;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 6mm;

    margin-top: 22px;

    padding-bottom: 16px;
}


/* =========================================================
   上一题 / 下一题按钮
   ========================================================= */

#prevQuestionBtn,
#nextQuestionBtn {
    flex:
        0
        1
        44mm;

    width:
        min(
            44mm,
            calc((100% - 6mm) / 2)
        ) !important;

    min-width: 0 !important;

    max-width: 44mm !important;

    height: 60px !important;

    min-height: 60px !important;

    margin: 0 !important;

    padding: 0 !important;

    border-radius: 14px !important;

    font-size: 34px !important;

    font-weight: 600 !important;

    line-height: 1 !important;

    transition:
        background-color 0.12s ease,
        border-color 0.12s ease,
        color 0.12s ease,
        transform 0.08s ease;
}


/* =========================================================
   上一题按钮
   ========================================================= */

#prevQuestionBtn {
    border:
        2px
        solid
        #17385f !important;

    background:
        #ffffff !important;

    color:
        #17385f !important;
}


#prevQuestionBtn:active:not(:disabled) {
    background:
        #dce8f5 !important;

    border-color:
        #0f2746 !important;

    color:
        #0f2746 !important;

    transform:
        scale(0.97);
}


#prevQuestionBtn:disabled {
    opacity: 0.28;

    border-color:
        #9eabb9 !important;

    background:
        #f7f9fb !important;

    color:
        #6f7e8e !important;
}


/* =========================================================
   下一题按钮
   ========================================================= */

#nextQuestionBtn {
    border:
        2px
        solid
        #17385f !important;

    background:
        #17385f !important;

    color:
        #ffffff !important;
}


#nextQuestionBtn:active {
    background:
        #0f2746 !important;

    border-color:
        #0f2746 !important;

    color:
        #ffffff !important;

    transform:
        scale(0.97);
}


/* =========================================================
   结果页
   ========================================================= */

.result-topbar h1 {
    margin: 0;
}


.form-card h2:first-child {
    margin-top: 0;
}


.form-card p {
    margin:
        4px
        0
        8px;

    color: #586273;

    font-size: 15.5px;

    line-height: 1.6;
}


.result-nav {
    display: flex;

    justify-content: flex-start;

    margin-top: 18px;
}


#backToSurveyBtn {
    width: 100% !important;

    height: 56px !important;

    min-height: 56px !important;

    margin: 0 !important;

    padding: 0 !important;

    border:
        1px
        solid
        var(--line) !important;

    border-radius: 12px !important;

    background:
        #ffffff !important;

    color:
        var(--brand) !important;

    font-size: 30px !important;
}


/* =========================================================
   手机
   ========================================================= */

@media (max-width: 600px) {

    #app {
        padding:
            13px
            12px
            24px;
    }


    h1 {
        font-size: 25px;
    }


    .form-card {
        padding: 14px;
    }


    .survey-question {
        padding:
            16px
            12px;
    }


    .question-title {
        font-size: 20px;
    }


    .survey-nav {
        margin-top: 18px;

        gap: 6mm;
    }


    #prevQuestionBtn,
    #nextQuestionBtn {
        flex:
            0
            1
            44mm;

        width:
            min(
                44mm,
                calc((100% - 6mm) / 2)
            ) !important;

        max-width: 44mm !important;

        height: 60px !important;

        min-height: 60px !important;

        font-size: 34px !important;
    }
}



/* =========================================================
   上一题 / 下一题统一按钮状态
   正常：两个按钮完全相同
   按下：统一变深
   禁用：浅色
   ========================================================= */

/* 两个按钮正常状态 */
#prevQuestionBtn,
#nextQuestionBtn {
    border:
        2px
        solid
        #17385f !important;

    background:
        #ffffff !important;

    color:
        #17385f !important;
}


/* 两个按钮按下状态 */
#prevQuestionBtn:active:not(:disabled),
#nextQuestionBtn:active:not(:disabled) {
    border-color:
        #0f2746 !important;

    background:
        #dce8f5 !important;

    color:
        #0f2746 !important;

    transform:
        scale(0.97);
}


/* 只有不可用的上一题按钮显示浅色 */
#prevQuestionBtn:disabled {
    opacity: 0.35;

    border-color:
        #9eabb9 !important;

    background:
        #f7f9fb !important;

    color:
        #6f7e8e !important;
}


/* =========================================================
   首页未开通功能
   与场景选择页“未开通”状态保持一致
   ========================================================= */

#historyBtn:disabled {
    border:
        1px
        solid
        #d4d9df !important;

    background:
        #eef1f4 !important;

    color:
        #9aa3ad !important;

    cursor: default !important;

    opacity: 1 !important;

    transform: none !important;
}