/* =========================
   基础设置
========================= */

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

html {
  background-color: var(--page-bg);
}

body {
  min-height: 100vh;
  overflow-x: hidden;

  color: var(--text);

  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    "Noto Serif JP",
    "MS Mincho",
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    serif;
}

a,
button,
input {
  font: inherit;
  -webkit-tap-highlight-color: transparent;
}


/* =========================
   页面背景
========================= */

.test-page {
  position: relative;
  isolation: isolate;

  width: 100%;
  min-height: 100vh;

  padding:
    clamp(28px, 4.5vh, 54px)
    clamp(28px, 7vw, 108px)
    clamp(38px, 6vh, 70px);

  overflow-x: hidden;

  background-color: var(--page-bg);
}

.test-page::before {
  content: "";

  position: absolute;
  inset: 0;

  z-index: 0;
  pointer-events: none;

  background:
    linear-gradient(
      90deg,
      var(--border) 0%,
      transparent 48%,
      var(--border) 100%
    ),
    linear-gradient(
      180deg,
      transparent 0%,
      var(--border) 100%
    );
}

.test-header,
.test-introduction,
.test-settings,
.page-footer {
  position: relative;
  z-index: 2;
}


/* =========================
   页面顶部
========================= */

.test-header {
  display: grid;

  grid-template-columns:
    clamp(150px, 17vw, 220px)
    minmax(0, 1fr)
    clamp(100px, 13vw, 170px);

  align-items: start;
  gap: 30px;

  width: min(100%, 1160px);
  margin: 0 auto clamp(54px, 8vh, 92px);
}


/* 返回链接 */

.back-link {
  justify-self: start;

  padding-top: 9px;

  color: var(--text);
  text-decoration: none;

  font-family:
    "Hiragino Maru Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    sans-serif;

  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.13em;

  text-shadow:
    0 2px 10px rgba(255, 255, 255, 0.48);

  transition:
    color 0.3s ease,
    transform 0.3s ease;
}

.back-link:hover {
  color: var(--text-strong);
  transform: translateX(-5px);
}


/* 页面标题 */

.page-heading {
  justify-self: start;
}

.site-name {
  margin: 0 0 14px;

  color: var(--text-muted);

  font-size: 0.67rem;
  letter-spacing: 0.34em;
}

.unit-label {
  margin: 0 0 16px;

  color: var(--text-muted);

  font-family:
    "Trebuchet MS",
    Arial,
    sans-serif;

  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
}

.page-heading h1 {
  margin: 0;

  color: var(--text);

  font-size: clamp(4rem, 7vw, 6.8rem);
  font-weight: 400;
  line-height: 1;

  letter-spacing: 0.13em;

  text-shadow:
    0 3px 16px rgba(255, 255, 255, 0.5),
    0 9px 30px var(--border);
}

.page-reading {
  margin: 22px 0 0;

  color: var(--text-muted);

  font-family:
    "Hiragino Maru Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    sans-serif;

  font-size: 0.75rem;
  letter-spacing: 0.2em;
}

.page-description {
  margin: 8px 0 0;

  color: var(--text-muted);

  font-family:
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;

  font-size: 0.7rem;
  letter-spacing: 0.18em;
}


/* 标题装饰 */

.header-decoration {
  display: flex;
  justify-content: flex-end;
  align-items: baseline;
  gap: 18px;

  padding-top: 35px;

  color: rgba(0, 0, 0, 0.12);

  font-size: clamp(2.7rem, 5vw, 5.2rem);
  line-height: 1;

  user-select: none;
}

.header-decoration span:last-child {
  transform: translateY(21px);
}


/* =========================
   考试设置说明
========================= */

.test-introduction {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 35px;

  width: min(100%, 980px);
  margin: 0 auto 36px;
  padding-bottom: 25px;

  border-bottom:
    1px solid var(--border);
}

.introduction-japanese {
  margin: 0;

  color: var(--text);

  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.2em;
}

.introduction-chinese {
  margin: 8px 0 0;

  color: var(--text-muted);

  font-family:
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;

  font-size: 0.7rem;
  letter-spacing: 0.17em;
}

.introduction-note {
  margin: 0;

  color: var(--text-muted);

  font-family:
    "Hiragino Maru Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    sans-serif;

  font-size: 0.67rem;
  letter-spacing: 0.13em;
}


/* =========================
   设置区域
========================= */

.test-settings {
  width: min(100%, 980px);
  margin: 0 auto;
}

.setting-section {
  min-width: 0;

  margin: 0 0 clamp(58px, 8vh, 86px);
  padding: 0;

  border: 0;
}

.setting-heading {
  display: grid;

  grid-template-columns:
    54px
    minmax(0, 1fr);

  align-items: center;
  gap: 18px;

  width: 100%;
  margin: 0 0 22px;
  padding: 0 0 17px;

  border-bottom:
    1px solid var(--border);
}

.setting-number {
  color: var(--text-muted);

  font-family:
    "Trebuchet MS",
    Arial,
    sans-serif;

  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
}

.setting-title-group {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
}

.setting-title {
  color: var(--text);

  font-size: clamp(1.45rem, 2.6vw, 2.15rem);
  font-weight: 400;
  letter-spacing: 0.12em;
}

.setting-translation {
  color: var(--text-muted);

  font-family:
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;

  font-size: 0.68rem;
  letter-spacing: 0.12em;
}


/* =========================
   通用选择项
========================= */

.option-list {
  display: grid;

  border-top:
    1px solid var(--border);
}

.option-list-mode {
  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  column-gap: clamp(28px, 5vw, 70px);
}

.option-list-range {
  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  column-gap: clamp(28px, 5vw, 70px);
}

.option-list-count {
  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  column-gap: clamp(20px, 4vw, 54px);
}

.setting-option {
  position: relative;

  display: grid;

  grid-template-columns:
    48px
    minmax(0, 1fr)
    52px;

  align-items: center;
  gap: 17px;

  min-height: 106px;
  padding: 17px 8px;

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

  cursor: pointer;

  transition:
    padding-left 0.28s ease,
    background-color 0.28s ease;
}

.setting-option:hover {
  padding-left: 15px;

  background:
    rgba(255, 255, 255, 0.23);
}

.setting-option input {
  position: absolute;

  width: 1px;
  height: 1px;

  overflow: hidden;

  opacity: 0;
  pointer-events: none;
}

.option-marker {
  color: var(--text-muted);

  font-family:
    "Trebuchet MS",
    Arial,
    sans-serif;

  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.option-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;

  min-width: 0;
}

.option-title {
  color: var(--text);

  font-size: clamp(1.5rem, 2.7vw, 2.35rem);
  font-weight: 400;
  letter-spacing: 0.11em;

  transition:
    color 0.25s ease,
    transform 0.25s ease;
}

.option-reading {
  margin-top: 9px;

  color: var(--text-muted);

  font-family:
    "Hiragino Maru Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    sans-serif;

  font-size: 0.67rem;
  letter-spacing: 0.13em;
}

.option-description {
  margin-top: 7px;

  color: var(--text-muted);

  font-family:
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;

  font-size: 0.65rem;
  letter-spacing: 0.12em;
}

.option-symbol {
  justify-self: end;

  color: var(--text-faint);

  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: 1;

  transition:
    color 0.25s ease,
    transform 0.25s ease;
}


/* 选中状态 */

.setting-option:has(input:checked) {
  background:
    rgba(255, 255, 255, 0.6);
}

.setting-option:has(input:checked) .option-title {
  color: var(--text);
  transform: translateX(5px);
}

.setting-option:has(input:checked) .option-symbol {
  color: var(--text-muted);
  transform: translateY(-3px);
}

.setting-option:has(input:checked)::after {
  content: "";

  position: absolute;
  right: 8px;
  bottom: -1px;
  left: 8px;

  height: 2px;

  background:
    var(--border-strong);
}


/* 键盘焦点 */

.setting-option:has(input:focus-visible) {
  outline:
    2px solid var(--border-strong);

  outline-offset: 4px;
}


/* =========================
   考试范围
========================= */

.compact-option {
  grid-template-columns:
    48px
    minmax(0, 1fr);

  min-height: 84px;
}

.compact-option .option-title {
  font-size: clamp(1.2rem, 2.1vw, 1.75rem);
}

.compact-option .option-description {
  margin-top: 6px;
}


/* =========================
   题量
========================= */

.count-option {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 9px;

  min-height: 116px;

  text-align: center;
}

.count-number {
  color: var(--text);

  font-family:
    "Trebuchet MS",
    Arial,
    sans-serif;

  font-size: clamp(2.6rem, 5vw, 4.4rem);
  font-weight: 400;
  line-height: 1;
}

.count-number-all {
  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    "Noto Serif JP",
    serif;
}

.count-label {
  color: var(--text-muted);

  font-size: 0.82rem;
  letter-spacing: 0.12em;
}

.count-description {
  align-self: flex-end;

  margin: 0 0 9px 8px;

  color: var(--text-muted);

  font-family:
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;

  font-size: 0.64rem;
  letter-spacing: 0.1em;
}

.count-option:has(input:checked) .count-number {
  color: var(--text);
}


/* =========================
   开始考试
========================= */

.start-area {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;

  padding: 32px 0 12px;

  border-top:
    1px solid var(--border);
}

.start-note {
  max-width: 380px;
  margin: 0;

  color: var(--text-muted);

  font-family:
    "Hiragino Maru Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    sans-serif;

  font-size: 0.65rem;
  letter-spacing: 0.1em;
  line-height: 1.8;
}

.start-button {
  display: grid;

  grid-template-columns:
    auto
    auto;

  column-gap: 20px;

  min-width: min(100%, 270px);
  min-height: 72px;
  padding: 14px 20px;

  border: 0;
  border-bottom:
    1px solid var(--border);

  background:
    rgba(255, 255, 255, 0.55);

  color: var(--text-muted);

  text-align: left;

  cursor: not-allowed;
  opacity: 0.64;
}

.start-button-japanese {
  align-self: end;

  font-size: 1rem;
  letter-spacing: 0.14em;
}

.start-button-chinese {
  align-self: start;

  color: var(--text-muted);

  font-family:
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;

  font-size: 0.64rem;
  letter-spacing: 0.11em;
}

.start-button-arrow {
  grid-column: 2;
  grid-row: 1 / 3;

  align-self: center;

  font-family:
    Arial,
    sans-serif;

  font-size: 1rem;
}


/* =========================
   页面底部
========================= */

.page-footer {
  width: min(100%, 980px);
  margin: clamp(68px, 9vh, 108px) auto 0;
}

.page-footer p {
  margin: 0;

  color: var(--text-muted);

  font-size: 0.67rem;
  letter-spacing: 0.19em;
}


/* =========================
   平板
========================= */

@media (max-width: 800px) {

  .test-header {
    grid-template-columns:
      125px
      minmax(0, 1fr);
  }

  .header-decoration {
    display: none;
  }

  .option-list-mode,
  .option-list-range {
    column-gap: 25px;
  }

  .setting-option {
    grid-template-columns:
      40px
      minmax(0, 1fr)
      44px;
  }

}


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

@media screen and (max-width: 600px) {

  .test-page {
    padding: 23px 7vw 48px;
    background-position: 36% top;
  }


  /* 页面顶部 */

  .test-header {
    display: block;

    width: 100%;
    margin-bottom: 50px;
  }

  .back-link {
    display: inline-block;

    margin-bottom: 32px;
  }

  .page-heading {
    padding-left: 2vw;
  }

  .page-heading h1 {
    font-size:
      clamp(3.6rem, 17vw, 5.2rem);
  }


  /* 页面说明 */

  .test-introduction {
    display: block;
    margin-bottom: 35px;
  }

  .introduction-note {
    margin-top: 18px;
    line-height: 1.7;
  }


  /* 设置标题 */

  .setting-heading {
    grid-template-columns:
      39px
      minmax(0, 1fr);

    gap: 11px;
  }

  .setting-title-group {
    display: block;
  }

  .setting-translation {
    display: block;
    margin-top: 8px;
  }


  /* 选择项 */

  .option-list-mode,
  .option-list-range,
  .option-list-count {
    grid-template-columns: 1fr;
    column-gap: 0;
  }

  .setting-option {
    grid-template-columns:
      39px
      minmax(0, 1fr)
      48px;

    min-height: 94px;
    gap: 12px;
  }

  .compact-option {
    grid-template-columns:
      39px
      minmax(0, 1fr);

    min-height: 78px;
  }

  .option-title {
    font-size:
      clamp(1.45rem, 7vw, 2rem);
  }

  .compact-option .option-title {
    font-size:
      clamp(1.2rem, 6vw, 1.6rem);
  }


  /* 题量 */

  .count-option {
    min-height: 93px;
  }

  .count-number {
    font-size:
      clamp(2.5rem, 13vw, 3.8rem);
  }


  /* 开始考试 */

  .start-area {
    display: block;
  }

  .start-button {
    width: 100%;
    margin-top: 25px;
  }

}


/* =========================
   减少动态效果
========================= */

@media (prefers-reduced-motion: reduce) {

  .back-link,
  .setting-option,
  .option-title,
  .option-symbol {
    transition: none;
  }

}


/* =========================
   可用的开始按钮
========================= */

.start-button.is-enabled {
  color: var(--text);

  background:
    rgba(255, 255, 255, 0.7);

  border-bottom-color: var(--text-muted);

  cursor: pointer;
  opacity: 1;

  transition:
    color 0.25s ease,
    background-color 0.25s ease,
    transform 0.25s ease;
}

.start-button.is-enabled:hover {
  color: var(--text);

  background:
    rgba(255, 255, 255, 0.85);

  transform: translateY(-3px);
}


/* =========================
   考试答题页面
========================= */

.quiz-shell {
  width: 100%;
}

.quiz-progress {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;

  padding-bottom: 24px;

  border-bottom:
    1px solid var(--border);
}

.quiz-progress-label {
  margin: 0 0 8px;

  color: var(--text-muted);

  font-family:
    "Trebuchet MS",
    Arial,
    sans-serif;

  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.28em;
}

.quiz-progress-number {
  margin: 0;

  color: var(--text);

  font-family:
    "Trebuchet MS",
    Arial,
    sans-serif;

  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1;
}

.quiz-progress-number span {
  color: var(--text-muted);
  font-size: 0.38em;
}

.quiz-score {
  margin: 0 0 4px;

  color: var(--text-muted);

  font-size: 0.7rem;
  letter-spacing: 0.14em;
}


/* 题目 */

.quiz-question {
  padding:
    clamp(42px, 7vh, 72px)
    0
    clamp(36px, 6vh, 60px);

  text-align: center;
}

.quiz-instruction {
  margin: 0;

  color: var(--text);

  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.quiz-instruction-chinese {
  margin: 9px 0 0;

  color: var(--text-muted);

  font-family:
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;

  font-size: 0.67rem;
  letter-spacing: 0.12em;
}

.quiz-prompt {
  margin:
    clamp(32px, 5vh, 48px)
    0
    0;

  color: var(--text);

  font-size: clamp(2.8rem, 7vw, 5.8rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0.1em;

  text-shadow:
    0 3px 15px rgba(255, 255, 255, 0.48);
}

.quiz-category {
  margin: 22px 0 0;

  color: var(--text-muted);

  font-size: 0.63rem;
  letter-spacing: 0.13em;
}


/* 选项 */

.quiz-choice-list {
  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  column-gap:
    clamp(28px, 5vw, 68px);

  border-top:
    1px solid var(--border);
}

.quiz-choice {
  display: grid;

  grid-template-columns:
    44px
    minmax(0, 1fr);

  align-items: center;
  gap: 15px;

  min-height: 94px;
  padding: 17px 9px;

  border: 0;
  border-bottom:
    1px solid var(--border);

  background: transparent;

  color: var(--text);
  text-align: left;

  cursor: pointer;

  transition:
    padding-left 0.25s ease,
    background-color 0.25s ease,
    color 0.25s ease;
}

.quiz-choice:hover:not(:disabled) {
  padding-left: 16px;

  background:
    rgba(255, 255, 255, 0.28);
}

.quiz-choice:disabled {
  cursor: default;
}

.quiz-choice-marker {
  color: var(--text-muted);

  font-family:
    "Trebuchet MS",
    Arial,
    sans-serif;

  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.quiz-choice-text {
  font-size: clamp(1.15rem, 2.2vw, 1.8rem);
  line-height: 1.5;
  letter-spacing: 0.08em;
}

.quiz-choice.is-correct {
  color: var(--text);

  background:
    rgba(209, 231, 222, 0.55);
}

.quiz-choice.is-wrong {
  color: rgba(119, 58, 58, 0.92);

  background:
    rgba(235, 216, 216, 0.5);
}


/* 答题反馈 */

.quiz-feedback {
  margin-top: 42px;
  padding: 26px 0;

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

  border-bottom:
    1px solid var(--border);
}

.feedback-result {
  margin: 0;

  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
}

.quiz-feedback.is-correct .feedback-result {
  color: var(--text);
}

.quiz-feedback.is-wrong .feedback-result {
  color: rgba(127, 59, 59, 0.88);
}

.feedback-selected {
  margin: 11px 0 0;

  color: var(--text-muted);

  font-family:
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;

  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.feedback-answer {
  display: grid;

  grid-template-columns:
    minmax(120px, 0.8fr)
    minmax(140px, 1fr)
    minmax(100px, 0.7fr);

  align-items: center;
  gap: 22px;

  margin-top: 23px;
}

.feedback-term {
  color: var(--text);

  font-size: clamp(1.5rem, 3vw, 2.3rem);
}

.feedback-reading {
  color: var(--text);

  font-family:
    "Hiragino Maru Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    sans-serif;

  font-size: 0.9rem;
}

.feedback-meaning {
  color: var(--text-muted);

  font-family:
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;

  font-size: 0.82rem;
}


/* 下一题 */

.quiz-next-button {
  display: flex;
  align-items: center;
  justify-content: space-between;

  width: min(100%, 260px);
  min-height: 62px;

  margin: 34px 0 0 auto;
  padding: 13px 20px;

  border: 0;
  border-bottom:
    1px solid var(--border-strong);

  background:
    rgba(255, 255, 255, 0.7);

  color: var(--text);

  cursor: pointer;

  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.13em;

  transition:
    background-color 0.25s ease,
    transform 0.25s ease;
}

.quiz-next-button:hover {
  background:
    rgba(255, 255, 255, 0.85);

  transform: translateX(5px);
}


/* =========================
   打字模式
========================= */

.quiz-typing-area {
  display: flex;
  gap: 14px;

  padding: 28px 0;

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

  border-bottom:
    1px solid var(--border);
}

.quiz-typing-input {
  flex: 1;
  min-width: 0;
  min-height: 62px;
  padding: 0 18px;

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

  background:
    rgba(255, 255, 255, 0.2);

  color: var(--text);

  font-size:
    clamp(1.15rem, 2.2vw, 1.8rem);

  letter-spacing: 0.08em;

  outline: none;

  transition:
    border-color 0.25s ease,
    background-color 0.25s ease;
}

.quiz-typing-input:focus {
  border-color: var(--text-muted);

  background:
    rgba(255, 255, 255, 0.3);
}

.quiz-typing-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.quiz-typing-input.is-correct {
  border-color: var(--text-muted);

  background:
    rgba(209, 231, 222, 0.4);

  color: var(--text);
}

.quiz-typing-input.is-wrong {
  border-color:
    rgba(119, 58, 58, 0.5);

  background:
    rgba(235, 216, 216, 0.35);

  color: rgba(119, 58, 58, 0.92);
}

.quiz-typing-submit {
  min-width: 110px;
  min-height: 62px;
  padding: 0 20px;

  border: 0;
  border-bottom:
    1px solid var(--border-strong);

  background:
    rgba(255, 255, 255, 0.7);

  color: var(--text);

  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.13em;

  cursor: pointer;

  transition:
    background-color 0.25s ease,
    transform 0.25s ease;
}

.quiz-typing-submit:hover:not(:disabled) {
  background:
    rgba(255, 255, 255, 0.85);

  transform: translateY(-2px);
}

.quiz-typing-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}


/* =========================
   考试结果
========================= */

.result-panel {
  padding-top: 10px;
  text-align: center;
}

.result-label {
  margin: 0;

  color: var(--text-muted);

  font-family:
    "Trebuchet MS",
    Arial,
    sans-serif;

  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.3em;
}

.result-title {
  margin: 18px 0 0;

  color: var(--text);

  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 400;
  letter-spacing: 0.12em;
}

.result-score {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 13px;

  margin-top: 42px;
}

.result-score strong {
  color: var(--text);

  font-family:
    "Trebuchet MS",
    Arial,
    sans-serif;

  font-size: clamp(5rem, 13vw, 9rem);
  font-weight: 400;
  line-height: 1;
}

.result-score span {
  color: var(--text-muted);

  font-family:
    "Trebuchet MS",
    Arial,
    sans-serif;

  font-size: clamp(1.2rem, 3vw, 2rem);
}

.result-percentage {
  margin: 22px 0 0;

  color: var(--text-muted);

  font-size: 0.82rem;
  letter-spacing: 0.15em;
}

.result-message {
  max-width: 560px;
  margin: 25px auto 0;

  color: var(--text-muted);

  font-size: 0.72rem;
  letter-spacing: 0.1em;
  line-height: 1.9;
}

.result-actions {
  display: grid;

  grid-template-columns:
    repeat(3, minmax(0, 1fr));

  gap: 20px;

  margin-top: 58px;
  padding-top: 24px;

  border-top:
    1px solid var(--border);
}

.result-action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;

  min-height: 82px;
  padding: 17px 13px;

  border: 0;
  border-bottom:
    1px solid var(--border);

  background:
    rgba(255, 255, 255, 0.5);

  color: var(--text);
  text-decoration: none;
  text-align: left;

  cursor: pointer;

  transition:
    background-color 0.25s ease,
    transform 0.25s ease;
}

.result-action span {
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.11em;
}

.result-action small {
  margin-top: 10px;

  color: var(--text-muted);

  font-family:
    "KaiTi",
    "STKaiti",
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;

  font-size: 0.63rem;
  letter-spacing: 0.08em;
}

.result-action:hover {
  background:
    rgba(255, 255, 255, 0.7);

  transform: translateY(-3px);
}


/* =========================
   考试页面手机适配
========================= */

@media screen and (max-width: 600px) {

  .quiz-question {
    padding:
      38px
      0
      34px;
  }

  .quiz-prompt {
    font-size:
      clamp(2.3rem, 12vw, 4rem);
  }

  .quiz-choice-list {
    grid-template-columns: 1fr;
  }

  .quiz-choice {
    min-height: 80px;
  }

  .quiz-typing-area {
    flex-direction: column;
    gap: 12px;
  }

  .quiz-typing-submit {
    width: 100%;
  }

  .feedback-answer {
    grid-template-columns: 1fr;
    gap: 9px;
  }

  .quiz-next-button {
    width: 100%;
  }

  .result-actions {
    grid-template-columns: 1fr;
  }

}


/* =========================
   减少动态效果
========================= */

@media (prefers-reduced-motion: reduce) {

  .start-button.is-enabled,
  .quiz-choice,
  .quiz-next-button,
  .quiz-typing-input,
  .quiz-typing-submit,
  .result-action {
    transition: none;
  }

}