/* ========== 主题变量 ========== */
:root {
    --primary-color: #fe6496;
    --secondary-color: #348aff;
    --bg-color: #f5f6f8;
    --card-bg: #ffffff;
    --text-color: #1a1a2e;
    --text-light: #4a5568;
    --text-muted: #8a94a6;
    --border-color: #e8eaed;
    --border-light: #f0f1f4;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.04);
    --shadow: 0 2px 12px rgba(0,0,0,.06);
    --shadow-hover: 0 6px 24px rgba(0,0,0,.08);
    --radius: 8px;
    --radius-lg: 12px;
}

/* ========== 基础重置 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    margin: 0 auto;
    background-color: var(--bg-color);
    font-family: -apple-system, '微软雅黑', 'Microsoft YaHei', Helvetica, Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ========== 通用区块标题 ========== */
.section-header {
    text-align: center;
    margin-bottom: 16px;
}

.section-header__title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.4;
}

.section-header__title::after {
    content: '';
    display: block;
    width: 200px;
    height: 4px;
    background-color: #333;
    margin: 10px auto 0;
}

.section-header__title a {
    color: inherit;
    transition: color 0.2s;
}

.section-header__title a:hover { color: var(--primary-color); }

/* 浮动图片 */
.floating-consult {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translate(0, -50%);
    z-index: 100;
    cursor: pointer;
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: 14px;
    background-color: var(--card-bg);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

/* ========== Banner 轮播 ========== */
.hero-banner {
    max-width: 1200px;
    height: 480px;
    margin: 88px auto 0;
    overflow: hidden;
    position: relative;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-banner:hover { box-shadow: var(--shadow-hover); }

.hero-banner img {
    width: 100%; height: 100%;
    object-fit: cover;
}

.hero-banner__controls {
    position: absolute; top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex; justify-content: space-between;
    z-index: 1; border: none;
}

.hero-banner__arrow {
    color: white; font-size: 22px;
    padding: 10px 14px;
    background-color: rgba(0,0,0,.35);
    cursor: pointer; border: none;
    border-radius: 10px;
    margin: 0 16px;
    opacity: 0;
    transition: all 0.3s;
}

.hero-banner:hover .hero-banner__arrow { opacity: 1; }
.hero-banner__arrow:hover { background-color: var(--primary-color); }

.hero-banner__dots {
    display: flex; justify-content: center; align-items: center;
    position: absolute; bottom: 16px;
    width: 100%; z-index: 1;
}

.hero-banner__dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background-color: rgba(255,255,255,.5);
    margin: 0 4px; cursor: pointer;
    transition: all 0.3s;
}

.hero-banner__dot.active {
    background-color: #fff;
    width: 24px;
    border-radius: 4px;
}

/* ========== 统计数据 ========== */
.stats-section {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
}

.stats-card {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 28px 16px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: all 0.3s;
    text-align: center;
}

.stats-section {
    display: flex;
    gap: 16px;
}

.stats-card:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow);
}

.stats-card__icon {
    color: var(--secondary-color);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 12px;
}

.stats-card__number {
    font-size: 36px;
    color: var(--text-color);
    font-weight: 700;
    line-height: 1.2;
}

.stats-card__number span {
    font-size: 15px;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 2px;
}

.stats-card__label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ========== 讲师团队 ========== */
.teachers-section {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.teachers-section__inner { max-width: 1160px; margin: 0 auto; }

.teachers-section__tabs {
    display: flex;
    gap: 0;
    margin-bottom: 28px;
    border-bottom: 2px solid var(--border-color);
}

.teachers-section__tabs button {
    padding: 10px 28px;
    font-size: 15px;
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    position: relative;
    margin-bottom: -2px;
}

.teachers-section__tabs button.active {
    color: var(--primary-color);
    font-weight: 600;
}

.teachers-section__tabs button.active::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

.teachers-section__tabs button:hover:not(.active) {
    color: var(--text-light);
}

.teachers-section__list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.teacher-card {
    width: calc(33.333% - 11px);
    min-width: 280px;
    padding: 24px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: all 0.3s;
    display: flex;
    flex-wrap: wrap;
    gap: 0 16px;
    align-items: center;
}

.teacher-card:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow);
}

.teacher-card__avatar {
    flex-shrink: 0;
    width: 56px; height: 56px;
    border-radius: 50%;
    overflow: hidden;
}

.teacher-card__avatar img {
    width: 100%; height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.teacher-card__info {
    flex: 1;
    min-width: 0;
}

.teacher-card__name {
    color: var(--text-color);
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 2px;
}

.teacher-card__role {
    color: var(--secondary-color);
    font-size: 13px;
    margin: 0;
}

.teacher-card__desc {
    flex-basis: 100%;
    margin-top: 14px;
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ========== 目标人群分类 ========== */
.audience-section {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.audience-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.audience-card {
    padding: 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: all 0.3s;
    cursor: pointer;
    background-color: #fff;
}

.audience-card:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow);
}

.audience-card__head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.audience-card__icon {
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.audience-card__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-color);
}

.audience-card__desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

/* ========== 课程面板 ========== */
.course-panel {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.course-panel__main {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.course-panel__tabs {
    width: 300px;
    flex-shrink: 0;
    background-color: #fafbfc;
    border-right: 1px solid var(--border-color);
}

.course-panel__tab {
    width: 100%;
    padding: 24px 20px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
}

.course-panel__tab:last-child { border-bottom: none; }

.course-panel__tab-icon {
    width: 36px; height: 36px;
    border-radius: 6px;
    background-color: #fff;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
}

.course-panel__tab h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-light);
    transition: color 0.2s;
}

.course-panel__tab:hover { background-color: #fff; }
.course-panel__tab:hover .course-panel__tab-icon { color: var(--secondary-color); border-color: var(--secondary-color); }

.course-panel__tab.active { background-color: #fff; }
.course-panel__tab.active .course-panel__tab-icon {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}
.course-panel__tab.active h3 { color: var(--text-color); }

.course-panel__body {
    flex: 1;
    padding: 20px;
    background-color: #fff;
}

.course-panel__detail { display: none; }
.course-panel__detail.active { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.course-panel__detail-title {
    color: var(--text-color);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.course-panel__detail-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.course-panel__detail-label {
    font-size: 14px;
    color: var(--text-color);
    margin-bottom: 12px;
}

.course-panel__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.course-panel__tags span {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 4px;
    background-color: #f0f5ff;
    color: var(--secondary-color);
    font-size: 13px;
    font-weight: 500;
}

.course-panel__detail-btn {
    border-radius: 6px;
    background-color: var(--primary-color);
    color: #fff;
    padding: 10px 32px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.course-panel__detail-btn:hover {
    background-color: #ed4e80;
    transform: translateY(-1px);
}

/* ========== 问答区域 ========== */
.faq-section {
    max-width: 1200px;
    margin: 28px auto;
    background: #fff;
    padding: 32px 24px 24px;
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.faq-section h2 {
    text-align: center;
    margin: 0 0 8px;
    font-size: 22px;
    color: var(--secondary-color);
    font-weight: 700;
}

.faq-section__intro {
    text-align: center;
    color: #888;
    font-size: 14px;
    margin: 0 0 22px;
}

.faq-item {
    border: 1px solid #eef0f5;
    border-radius: 10px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.faq-item[open] {
    border-color: var(--secondary-color);
    box-shadow: 0 4px 16px rgba(52,138,255,0.08);
}

.faq-item summary {
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 600;
    color: var(--secondary-color);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    transition: background 0.2s;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary:hover { background: #f6f9ff; }

.faq-item summary::after {
    content: '+';
    font-size: 22px;
    color: var(--secondary-color);
    font-weight: 400;
    flex-shrink: 0;
    line-height: 1;
}

.faq-item[open] summary::after { content: '\2212'; }

.faq-answer {
    padding: 0 20px 16px;
    font-size: 14px;
    color: #555;
    line-height: 1.85;
}

.faq-answer p {
    margin: 0 0 10px;
}

.faq-answer p:last-child { margin-bottom: 0; }

.faq-more {
    text-align: center;
    margin-top: 20px;
}

.faq-more a {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--secondary-color);
    padding: 9px 26px;
    border-radius: 50px;
    transition: all 0.2s;
    display: inline-block;
}

.faq-more a:hover {
    background: var(--secondary-color);
    color: #fff;
}

@media (max-width: 640px) {
    .faq-section { padding: 24px 14px 18px; }
    .faq-section h2 { font-size: 19px; }
    .faq-item summary { padding: 14px 14px; font-size: 14px; }
    .faq-answer { padding: 0 14px 14px; font-size: 13.5px; }
}

/* ========== 反馈区域 ========== */
.feedback-section {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.feedback-carousel {
    max-width: 900px;
    height: 300px;
    overflow: hidden;
    position: relative;
    margin: 0 auto;
}

.feedback-card {
    display: none;
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    padding: 24px 40px;
}

.feedback-card.active { display: block; }

.feedback-card__content {
    max-width: 760px;
    margin: 0 auto;
    position: relative;
    text-align: left;
}

.feedback-card__user {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.feedback-card__user img {
    width: 48px; height: 48px;
    margin-right: 14px;
    border-radius: 50%;
    object-fit: cover;
}

.feedback-card__user p {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-color);
}

.feedback-card__role {
    font-size: 12px;
    margin-left: 10px;
    padding: 2px 10px;
    border-radius: 4px;
    background-color: #f0f5ff;
    color: var(--secondary-color);
    font-weight: 500;
}

.feedback-card__text {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.9;
}

.feedback-card__quote--start,
.feedback-card__quote--end {
    position: absolute;
    font-family: Georgia, serif;
    font-size: 80px;
    color: rgba(254,100,150,.08);
    line-height: 1;
    pointer-events: none;
}

.feedback-card__quote--start { top: -16px; left: -28px; }
.feedback-card__quote--end { bottom: -48px; right: -16px; }

.feedback-carousel__prev,
.feedback-carousel__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: #fff;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 18px;
    width: 40px; height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
    z-index: 10;
    display: flex; align-items: center; justify-content: center;
}

.feedback-carousel__prev:hover,
.feedback-carousel__next:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.feedback-carousel__prev { left: 0; }
.feedback-carousel__next { right: 0; }

/* ========== 合作伙伴 ========== */
.partners-section {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.partners-section__list {
    display: flex;
    gap: 20px;
}

.partners-card--truebuty,
.partners-card--seibunkentei {
    flex: 1;
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    text-align: center;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #fff;
}

.partners-card--truebuty:hover,
.partners-card--seibunkentei:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow);
}

.partners-card__icon {
    width: 56px; height: 56px;
    border-radius: 50%;
    background-color: #f0f5ff;
    color: var(--secondary-color);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}

.partners-card--truebuty h3,
.partners-card--seibunkentei h3 {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-muted);
}

.partners-card__name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 16px;
}

.partners-card__link {
    font-size: 14px;
    padding: 7px 20px;
    border-radius: 6px;
    background-color: var(--primary-color);
    color: #fff;
    transition: background-color 0.2s;
}

.partners-card--truebuty:hover .partners-card__link,
.partners-card--seibunkentei:hover .partners-card__link {
    background-color: #ed4e80;
}

/* ========== 课程详情页通用布局 ========== */
.course-detail {
    max-width: 1200px;
    margin: 88px auto 0;
}

.course-detail__inner {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

/* ---- 左侧边栏 ---- */
.course-detail__sidebar {
    width: 300px;
    flex-shrink: 0;
    padding: 24px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    position: sticky;
    top: 100px;
}

.course-detail__sidebar h3 {
    font-size: 15px;
    color: var(--text-color);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.course-detail__sidebar-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 24px;
}

.course-detail__sidebar-links a {
    display: inline-block;
    padding: 4px 10px;
    font-size: 13px;
    color: var(--text-light);
    border-radius: 4px;
    transition: all 0.2s;
    background: #f5f6f8;
}

.course-detail__sidebar-links a:hover {
    color: var(--primary-color);
    background: #fef0f5;
}

.course-detail__sidebar-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.course-detail__sidebar-btns button {
    padding: 9px 22px;
    font-size: 14px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-family: inherit;
    background-color: var(--secondary-color);
    color: #fff;
    transition: all 0.2s;
}

.course-detail__sidebar-btns button:hover {
    background-color: var(--primary-color);
    transform: translateY(-1px);
}

/* ---- 右侧主内容 ---- */
.course-detail__main {
    flex: 1;
    min-width: 0;
    padding: 32px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 40px;
}

.course-detail__main h1 {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 8px;
}

.course-detail__main h1 span {
    font-size: 16px;
    color: var(--secondary-color);
    font-weight: 600;
    margin-left: 16px;
}

.course-detail__main hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 16px 0 24px;
}

.course-detail__section-title {
    font-size: 20px;
    color: var(--text-color);
    margin: 32px 0 8px;
}

.course-detail__section-title:first-of-type {
    margin-top: 0;
}

/* ---- 大纲区块标题（蓝/粉交替） ---- */
.course-detail__block {
    margin-bottom: 20px;
}

.course-detail__block-title {
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.course-detail__block--blue .course-detail__block-title {
    background-color: var(--secondary-color);
}

.course-detail__block--pink .course-detail__block-title {
    background-color: var(--primary-color);
}

.course-detail__block-body {
    padding: 16px 24px;
    font-size: 14px;
    line-height: 2;
    color: var(--text-light);
}

.course-detail__block-body strong {
    color: var(--secondary-color);
}

.course-detail__block--pink .course-detail__block-body strong {
    color: var(--primary-color);
}

/* ---- 图片区 ---- */
.course-detail__image-card {
    background: #f0f5ff;
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    text-align: center;
}

.course-detail__image-card img {
    max-width: 100%;
    border-radius: 4px;
}

/* ---- 手风琴大纲 ---- */
.outline-accordion {
    margin-bottom: 20px;
}

.outline-accordion__item {
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.outline-accordion__item.active {
    border-color: var(--secondary-color);
    box-shadow: 0 4px 16px rgba(52,138,255,0.08);
}

.outline-accordion__header {
    padding: 14px 18px;
    cursor: pointer;
    background: #f5f6f8;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    transition: background 0.2s;
}

.outline-accordion__header:hover {
    background: #eef1f6;
}

.outline-accordion__icon {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    flex-shrink: 0;
    line-height: 1;
}

.outline-accordion__body {
    display: none;
    padding: 24px;
    background: #fafcff;
    text-align: center;
}

.outline-accordion__body img {
    max-width: 100%;
    border-radius: 4px;
}

.outline-accordion__item.active .outline-accordion__body {
    display: block;
}

/* 手风琴描述文本 */
.outline-accordion__desc {
    padding: 10px 18px 18px;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

.outline-accordion__desc b {
    color: var(--primary-color);
}

/* ---- 购课须知手风琴 ---- */
.faq-accordion {
    margin-top: 8px;
}

.faq-accordion__item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-bottom: 8px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.faq-accordion__item.active {
    border-color: var(--secondary-color);
    box-shadow: 0 4px 16px rgba(52,138,255,0.08);
}

.faq-accordion__header {
    padding: 14px 18px;
    cursor: pointer;
    background: #f5f6f8;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    transition: background 0.2s;
}

.faq-accordion__header:hover {
    background: #eef1f6;
}

.faq-accordion__icon {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    flex-shrink: 0;
    line-height: 1;
}

.faq-accordion__body {
    display: none;
    padding: 18px;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.9;
}

.faq-accordion__item.active .faq-accordion__body {
    display: block;
}

/* ---- 课程亮点/标签 ---- */
.course-detail__features {
    padding: 16px 24px;
    font-size: 14px;
    line-height: 2.4;
    color: var(--text-light);
}

.course-detail__features h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 15px;
}

.course-detail__features h4 span {
    color: var(--text-light);
    font-weight: 400;
}

/* ---- 产品分析/成分地图 文章列表 ---- */
.product-list__item {
    margin-bottom: 28px;
}

.product-list__title {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 8px;
}

.product-list__title a {
    color: var(--text-color);
    transition: color 0.2s;
}

.product-list__title a:hover {
    color: var(--primary-color);
}

.product-list__meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.product-list__tag {
    display: inline-block;
    padding: 2px 8px;
    background: #f0f5ff;
    color: var(--secondary-color);
    border-radius: 3px;
    font-size: 12px;
    font-weight: 500;
}

.product-list__image {
    width: 100%;
    max-width: 720px;
    height: 240px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background: #e8eaed;
}

/* ========== 报名学习页 ========== */
.signup-section {
    max-width: 1200px;
    margin: 100px auto 0;
    padding: 32px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.signup-section + .signup-section {
    margin-top: 20px;
}

.signup-section__title {
    text-align: center;
    font-size: 22px;
    color: var(--text-color);
    margin-bottom: 8px;
}

.signup-section__divider {
    width: 200px;
    height: 4px;
    background: #333;
    border: none;
    margin: 0 auto 28px;
}

/* ---- 三步流程卡片 ---- */
.signup-steps {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.signup-step {
    flex: 1;
    min-width: 280px;
    max-width: 380px;
    padding: 24px 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--card-bg);
    position: relative;
    transition: all 0.2s;
}

.signup-step:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow);
}

.signup-step__badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--primary-color);
    color: #fff;
    padding: 5px 14px;
    border-radius: 0 var(--radius) 0 var(--radius);
    font-weight: 700;
    font-size: 13px;
}

.signup-step__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 14px;
}

.signup-step__desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    min-height: 100px;
    margin-bottom: 20px;
}

.signup-step__action {
    text-align: center;
    margin-top: 10px;
}

.signup-step__action .signup-btn {
    display: inline-block;
    padding: 10px 24px;
    font-size: 15px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    background: var(--secondary-color);
    color: #fff;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s;
    text-decoration: none;
}

.signup-step__action .signup-btn:hover {
    background: var(--primary-color);
    transform: translateY(-1px);
}

/* ---- 课程定价卡片 ---- */
.signup-pricing {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.signup-pricing__card {
    flex: 1;
    min-width: 280px;
    max-width: 380px;
    padding: 28px 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: var(--card-bg);
    transition: all 0.3s;
}

.signup-pricing__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.signup-pricing__card--primary {
    border-top: 4px solid var(--secondary-color);
}

.signup-pricing__card--primary:hover {
    border-color: var(--secondary-color);
}

.signup-pricing__card--intermediate {
    border-top: 4px solid var(--primary-color);
}

.signup-pricing__card--intermediate:hover {
    border-color: var(--primary-color);
}

.signup-pricing__card--advanced {
    border-top: 4px solid #c98d49;
}

.signup-pricing__card--advanced:hover {
    border-color: #c98d49;
}

.signup-pricing__card h2 {
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.signup-pricing__card--primary h2 { color: var(--secondary-color); }
.signup-pricing__card--intermediate h2 { color: var(--primary-color); }
.signup-pricing__card--advanced h2 { color: #c98d49; }

.signup-pricing__card h4 {
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.signup-pricing__price {
    text-align: center;
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 12px;
}

.signup-pricing__price strong {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-color);
}

.signup-pricing__tag {
    display: block;
    text-align: center;
    padding: 8px 0;
    border-radius: 4px;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
}

.signup-pricing__card--primary .signup-pricing__tag { background: var(--secondary-color); }
.signup-pricing__card--intermediate .signup-pricing__tag { background: var(--primary-color); }
.signup-pricing__card--advanced .signup-pricing__tag { background: #c98d49; }

.signup-pricing__features {
    font-size: 14px;
    line-height: 2;
    color: var(--text-light);
    margin-bottom: 16px;
}

.signup-pricing__features strong {
    font-weight: 600;
}

.signup-pricing__card--primary .signup-pricing__features strong { color: var(--secondary-color); }
.signup-pricing__card--intermediate .signup-pricing__features strong { color: var(--primary-color); }
.signup-pricing__card--advanced .signup-pricing__features strong { color: #c98d49; }

.signup-pricing__extra {
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
    padding: 10px 0;
    border-top: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.signup-pricing__card--primary .signup-pricing__extra { color: var(--secondary-color); font-weight: 600; }
.signup-pricing__card--intermediate .signup-pricing__extra { color: var(--primary-color); font-weight: 600; }
.signup-pricing__card--advanced .signup-pricing__extra { color: #c98d49; font-weight: 600; }

.signup-pricing__qr {
    text-align: center;
    margin: 16px 0;
}

.signup-pricing__qr img {
    width: 128px;
    height: 128px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.signup-pricing__buy {
    text-align: center;
    margin-top: 12px;
}

.signup-pricing__buy .signup-btn {
    display: inline-block;
    padding: 10px 28px;
    font-size: 15px;
    border-radius: 6px;
    background: var(--secondary-color);
    color: #fff;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
}

.signup-pricing__buy .signup-btn:hover {
    background: var(--primary-color);
    transform: translateY(-1px);
}

/* ---- 弹窗 ---- */
.signup-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0,0,0,.15);
    z-index: 999999;
    display: none;
}

.signup-modal__header {
    display: flex;
    justify-content: flex-end;
    padding: 10px 10px 0;
}

.signup-modal__close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    padding: 4px 8px;
}

.signup-modal__close:hover {
    opacity: .7;
}

.signup-modal__body {
    text-align: center;
    padding: 0 0 16px;
}

.signup-modal__body img {
    width: 280px;
    height: 280px;
    border-radius: var(--radius);
}

/* ---- 报名页响应式 ---- */
@media (max-width: 1024px) {
    .signup-steps,
    .signup-pricing {
        flex-wrap: wrap;
    }

    .signup-step,
    .signup-pricing__card {
        min-width: 240px;
    }
}

@media (max-width: 768px) {
    .signup-section {
        margin-top: 100px;
        padding: 24px 14px;
    }

    .signup-section__title { font-size: 20px; }

    .signup-steps,
    .signup-pricing {
        flex-direction: column;
        align-items: center;
    }

    .signup-step,
    .signup-pricing__card {
        max-width: 100%;
        width: 100%;
    }
}

/* ========== 证书查询页 ========== */
.cert-stats {
    max-width: 1200px;
    margin: 100px auto 0;
    padding: 0 20px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.cert-stat {
    flex: 1;
    min-width: 200px;
    padding: 24px 16px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s;
}

.cert-stat:hover {
    transform: translateY(-4px);
}

.cert-stat__title {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.cert-stat__number {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1;
}

.cert-stat__number span {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-muted);
}

/* ---- 查询表单区 ---- */
.cert-page {
    max-width: 1200px;
    margin: 20px auto 0;
    padding: 0 20px 40px;
}

.cert-page__inner {
    display: flex;
    gap: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.cert-form {
    width: 40%;
    min-width: 340px;
    padding: 40px 32px;
    background: var(--card-bg);
}

.cert-form__title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 4px;
}

.cert-form__subtitle {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 24px;
    font-weight: 400;
}

.cert-form__group {
    margin-bottom: 18px;
}

.cert-form__label {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.cert-form__input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    color: var(--text-color);
    background: var(--card-bg);
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.cert-form__input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52,138,255,.1);
}

.cert-form__submit {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: var(--radius);
    background: var(--primary-color);
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    margin-top: 6px;
    transition: background 0.3s;
}

.cert-form__submit:hover {
    background: var(--secondary-color);
}

/* ---- 查询结果区 ---- */
.cert-result {
    flex: 1;
    padding: 40px 32px;
    background: #eef2f8;
}

.cert-result__title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 24px;
}

.cert-result__table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.cert-result__table th {
    background: var(--primary-color);
    color: #fff;
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
}

.cert-result__table td {
    padding: 10px 12px;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
}

.cert-result__help {
    margin-top: 32px;
}

.cert-result__help .cert-btn {
    padding: 10px 24px;
    font-size: 15px;
    border: none;
    border-radius: var(--radius);
    background: var(--primary-color);
    color: #fff;
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: all 0.2s;
}

.cert-result__help .cert-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

.cert-result__note {
    margin-top: 16px;
    font-size: 12px;
    color: var(--text-muted);
}

/* ---- 客服弹窗（证书页专用） ---- */
.cert-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0,0,0,.15);
    z-index: 999999;
    display: none;
}

.cert-popup__header {
    display: flex;
    justify-content: flex-end;
    padding: 10px 10px 0;
}

.cert-popup__close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    padding: 4px 8px;
}

.cert-popup__close:hover {
    opacity: .7;
}

.cert-popup__body {
    text-align: center;
    padding: 0 0 16px;
}

.cert-popup__body img {
    width: 280px;
    height: 280px;
    border-radius: var(--radius);
}

/* ---- 证书页响应式 ---- */
@media (max-width: 768px) {
    .cert-stats {
        margin-top: 80px;
        flex-direction: column;
        gap: 12px;
    }

    .cert-stat {
        min-width: 100%;
        padding: 18px 14px;
    }

    .cert-stat__number {
        font-size: 32px;
    }

    .cert-page__inner {
        flex-direction: column;
    }

    .cert-form {
        width: 100%;
        min-width: 0;
        padding: 28px 18px;
    }

    .cert-result {
        padding: 28px 18px;
    }
}

/* ========== 课程详情页响应式 ========== */
@media (max-width: 1024px) {
    .course-detail__inner {
        flex-direction: column;
    }

    .course-detail__sidebar {
        width: 100%;
        position: static;
    }

    .course-detail__main {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .course-detail {
        margin-top: 110px;
        padding: 0 12px;
    }

    .course-detail__main {
        padding: 20px 16px;
    }

    .course-detail__main h1 {
        font-size: 20px;
    }

    .course-detail__main h1 span {
        display: block;
        margin-left: 0;
        margin-top: 4px;
    }

    .course-detail__block-title {
        font-size: 15px;
        padding: 10px 16px;
    }

    .course-detail__block-body {
        padding: 12px 16px;
    }

    .outline-accordion__header {
        font-size: 14px;
        padding: 12px 14px;
    }

    .outline-accordion__body img {
        width: 100%;
    }

    .course-detail__sidebar {
        padding: 18px;
    }

    .course-detail__sidebar h3 {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .course-detail__main h1 {
        font-size: 18px;
    }

    .course-detail__image-card {
        padding: 12px;
    }
}
/* ========== 响应式设计 ========== */
@media (max-width: 1199px) {
    .hero-banner,
    .stats-section,
    .teachers-section,
    .audience-section,
    .course-panel,
    .faq-section,
    .feedback-section,
    .partners-section {
        max-width: calc(100% - 40px);
        margin-left: 20px;
        margin-right: 20px;
    }
}

@media (max-width: 1024px) {
    .teacher-card { width: calc(50% - 8px); }
    .course-panel__main { flex-direction: column; }
    .course-panel__tabs {
        width: 100%;
        display: flex;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .course-panel__tab { flex: 1; justify-content: center; }
    .course-panel__tab h3 { font-size: 14px; }
    .course-panel__body { padding: 24px; }
    .audience-list { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .floating-consult { display: none; }

    .hero-banner {
        height: auto;
        aspect-ratio: 16/9;
        margin-top: 130px;
        border-radius: 0;
    }

    .section-header__title { font-size: 22px; }

    .stats-section { flex-direction: column; }
    .stats-card { padding: 20px; }
    .stats-card__number { font-size: 30px; }

    .teachers-section,
    .audience-section,
    .course-panel,
    .faq-section,
    .feedback-section,
    .partners-section { padding: 28px 16px; }

    .teacher-card { width: 100%; }

    .audience-card { padding: 20px; }

    .partners-section__list { flex-direction: column; }

    .course-panel__tabs { flex-direction: column; }
    .course-panel__tab { justify-content: flex-start; }

    .feedback-carousel { height: 360px; padding: 0 4px; }
    .feedback-card { padding: 16px 32px; }
    .feedback-card__quote--start,
    .feedback-card__quote--end { font-size: 60px; }
}

@media (max-width: 480px) {
    .stats-card { padding: 16px; }
    .faq-item { padding: 14px 16px; }
    .faq-item__question { font-size: 14px; }
    .faq-item__question p { margin-left: 10px; }
    .faq-item__answer { margin-left: 16px; padding: 12px 16px; }
    .feedback-card__user p { font-size: 14px; }
    .feedback-card__text { font-size: 14px; }
}

/* ========== 首页绿翊风格视觉 ========== */

/* ---- Hero 渐变叠加与中心文案 ---- */
.hero-banner {
    border-radius: 16px;
}

.hero-banner__overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-banner__content {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px 32px;
    pointer-events: none;
}

.hero-banner__title {
    color: #fff;
    font-size: 34px;
    font-weight: 800;
    letter-spacing: 1px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.25);
    margin-bottom: 12px;
}

.hero-banner__subtitle {
    color: rgba(255,255,255,0.94);
    font-size: 16px;
    line-height: 1.7;
    text-shadow: 0 1px 6px rgba(0,0,0,0.2);
    margin-bottom: 24px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    pointer-events: auto;
}

.hero-tags a {
    padding: 7px 18px;
    color: #fff;
    font-size: 14px;
    background: rgba(255,255,255,0.16);
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: 100px;
    backdrop-filter: blur(4px);
    transition: all 0.25s;
}

.hero-tags a:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

/* ---- 数据统计条 ---- */
.stats-row {
    max-width: 1200px;
    margin: 24px auto;
    padding: 28px 20px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    display: flex;
    gap: 16px;
}

.stat-item {
    flex: 1;
    text-align: center;
    padding: 10px;
}

.stat-item h3 {
    margin: 0 0 10px;
    font-size: 14px;
    color: #666;
    font-weight: 600;
}

.stat-item__value {
    line-height: 1.2;
}

.stat-item__value .num {
    font-size: 42px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-item__value .unit {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 4px;
}

/* ---- 分隔线胶囊标题 ---- */
.section-divider {
    max-width: 1100px;
    margin: 0 auto 28px;
    text-align: center;
    position: relative;
}

.section-divider__line {
    border-top: 1px solid #dce1e8;
    position: absolute;
    left: 0; right: 0; top: 50%;
}

.section-divider__label {
    display: inline-block;
    background: #fff;
    padding: 6px 26px;
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-color);
    border: 1px solid #dce1e8;
    border-radius: 100px;
    position: relative;
    z-index: 1;
}

.section-divider__label a { color: inherit; }
.section-divider__label a:hover { color: var(--secondary-color); }

/* ---- 底部咨询 CTA ---- */
.consult-cta {
    max-width: 1200px;
    margin: 24px auto 48px;
    padding: 48px 30px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(254,100,150,0.95) 0%, rgba(52,138,255,0.95) 100%);
    color: #fff;
    text-align: center;
    box-shadow: 0 8px 32px rgba(254,100,150,0.18);
    position: relative;
    overflow: hidden;
}

.consult-cta::before {
    content: '';
    position: absolute;
    top: -60%; right: -8%;
    width: 320px; height: 320px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    pointer-events: none;
}

.consult-cta::after {
    content: '';
    position: absolute;
    bottom: -50%; left: -6%;
    width: 260px; height: 260px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    pointer-events: none;
}

.consult-cta h2 {
    margin: 0 0 12px;
    font-size: 26px;
    font-weight: 700;
    position: relative;
}

.consult-cta p {
    margin: 0 auto 26px;
    max-width: 720px;
    font-size: 15px;
    color: rgba(255,255,255,0.92);
    line-height: 1.75;
    position: relative;
}

.consult-cta__btns {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    position: relative;
}

.consult-cta__btn {
    display: inline-block;
    padding: 13px 36px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}

.consult-cta__btn--primary {
    background: #fff;
    color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(255,255,255,0.25);
}

.consult-cta__btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(255,255,255,0.35);
}

.consult-cta__btn--ghost {
    background: rgba(255,255,255,0.14);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.45);
    backdrop-filter: blur(4px);
}

.consult-cta__btn--ghost:hover {
    background: rgba(255,255,255,0.26);
    transform: translateY(-2px);
}

.consult-cta__phone {
    margin-top: 20px;
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    position: relative;
}

/* ---- 首页新样式响应式 ---- */
@media (max-width: 980px) {
    .stats-row { flex-wrap: wrap; }
    .stat-item { min-width: 45%; }
    .stat-item__value .num { font-size: 32px; }
    .hero-banner__title { font-size: 26px; }
}

@media (max-width: 768px) {
    .hero-banner { aspect-ratio: 16/10; }
    .hero-banner__content { padding: 16px 20px; }
}

@media (max-width: 640px) {
    .stat-item { min-width: 100%; }
    .stat-item__value .num { font-size: 30px; }
    .hero-banner__title { font-size: 20px; margin-bottom: 8px; }
    .hero-banner__subtitle { font-size: 13px; margin-bottom: 14px; }
    .hero-tags { gap: 6px; }
    .hero-tags a { padding: 5px 12px; font-size: 12px; }
    .section-divider { margin-bottom: 20px; }
    .section-divider__label { font-size: 14px; padding: 5px 18px; }
    .consult-cta { padding: 32px 18px; margin: 20px auto 36px; }
    .consult-cta h2 { font-size: 21px; }
    .consult-cta p { font-size: 14px; }
    .consult-cta__btn { padding: 12px 26px; font-size: 14px; }
}

/* ========== 成分分析官页 ========== */
.analyst-banner {
    max-width: 1200px;
    margin: 100px auto 20px;
    padding: 28px 20px;
    border-radius: var(--radius-lg);
    background: var(--primary-color) url('../img/zhengshu2.png') center/cover;
    text-align: center;
    transition: background .3s;
}

.analyst-banner:hover {
    background-color: var(--secondary-color);
}

.analyst-banner a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
}

.analyst-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.analyst-content h1 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.analyst-content h3 {
    font-size: 17px;
    color: var(--text-color);
    margin: 28px 0 12px;
}

.analyst-content p {
    font-size: 15px;
    line-height: 2;
    color: var(--text-light);
}

.analyst-features {
    list-style: none;
    padding: 0;
    margin: 16px 0;
}

.analyst-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    line-height: 2.2;
    color: var(--secondary-color);
    font-weight: 500;
}

.analyst-features svg {
    flex-shrink: 0;
}

.analyst-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 24px 0;
}

.analyst-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin-bottom: 20px;
}

.analyst-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}

.analyst-table tr:hover td {
    background: #f8f9fc;
}

@media (max-width: 768px) {
    .analyst-banner {
        margin-top: 80px;
        padding: 20px 14px;
    }

    .analyst-banner a {
        font-size: 16px;
    }

    .analyst-content {
        padding: 24px 16px;
        margin: 0 12px;
    }

    .analyst-content h1 { font-size: 20px; }

    .analyst-table td {
        padding: 8px 8px;
        font-size: 13px;
    }
}

/* ========== 关于我们页 ========== */
.about-page {
    max-width: 1200px;
    margin: 100px auto 0;
    padding: 32px 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.about-page h1 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.about-page hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.about-page p {
    font-size: 15px;
    line-height: 2;
    color: var(--text-light);
    margin-bottom: 16px;
}

.about-page__certs {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.about-page__certs img {
    width: 300px;
    height: 415px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    object-fit: cover;
}

@media (max-width: 768px) {
    .about-page {
        margin-top: 80px;
        padding: 24px 16px;
    }

    .about-page h1 { font-size: 20px; }

    .about-page__certs {
        justify-content: center;
    }

    .about-page__certs img {
        width: calc(50% - 10px);
        height: auto;
        max-width: 300px;
    }
}

/* ========== 404 页面 ========== */
.page-404 {
    max-width: 1200px;
    margin: 120px auto 60px;
    padding: 60px 20px;
    text-align: center;
}

.page-404__code {
    font-size: 180px;
    font-weight: 900;
    line-height: 1;
    color: var(--primary-color);
    margin-bottom: 8px;
    letter-spacing: -4px;
}

.page-404__text {
    font-size: 17px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.page-404__link {
    display: inline-block;
    margin: 16px 0 32px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    background: var(--secondary-color);
    border-radius: var(--radius);
    text-decoration: none;
    transition: background 0.2s;
}

.page-404__link:hover {
    background: var(--primary-color);
}

.page-404__qr {
    margin: 0 auto;
}

.page-404__qr img {
    width: 200px;
    height: 200px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.page-404__qr p {
    margin-top: 16px;
    font-size: 15px;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .page-404 {
        margin-top: 80px;
        padding: 40px 16px;
    }

    .page-404__code {
        font-size: 120px;
    }
}

/* ========== 成分地图 文章列表 ========== */
.imap-list { }

.imap-list__item {
    margin-bottom: 28px;
}

.imap-list__link {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    line-height: 1.6;
    transition: color 0.2s;
}

.imap-list__link:hover {
    color: var(--primary-color);
}

.imap-list__meta {
    font-size: 13px;
    color: var(--text-muted);
    margin: 4px 0 10px;
}

.imap-list__tag {
    display: inline-block;
    background: #dbdbdb;
    color: #333;
    font-size: 13px;
    padding: 2px 6px;
    border-radius: 2px;
    margin-right: 4px;
}

.imap-list__img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: cover;
    background: #e7e7e7;
    border-radius: var(--radius);
}

@media (max-width: 768px) {
    .imap-list__link {
        font-size: 15px;
    }

    .imap-list__img {
        max-height: 200px;
    }
}

/* ========== 学员风采 ========== */
.student-card {
    display: flex;
    gap: 24px;
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.student-card:last-child {
    border-bottom: none;
}

.student-card__avatar {
    position: relative;
    flex-shrink: 0;
}

.student-card__avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.student-card__badge {
    position: absolute;
    top: 4px;
    right: -4px;
    background: var(--secondary-color);
    color: #fff;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.4;
}

.student-card__body {
    flex: 1;
    min-width: 0;
}

.student-card__name {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2px;
}

.student-card__meta {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.student-card__quote {
    background: #eef6ff;
    padding: 16px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    line-height: 1.9;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .student-card {
        flex-direction: column;
        gap: 12px;
    }

    .student-card__avatar img {
        width: 60px;
        height: 60px;
    }
}