/* ================= 二级页面公共样式 ================= */

/* 页面顶部 banner */
.page-hero {
    position: relative;
    padding: 160px 0 72px;
    text-align: center;
    overflow: hidden;
}

.page-hero .blob { position: absolute; z-index: 0; }

.page-hero-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--color-primary-light);
    color: var(--color-text);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 56px);
    line-height: 1.2;
    letter-spacing: 2px;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.page-hero p {
    max-width: 640px;
    margin: 0 auto;
    color: var(--color-text-2);
    font-size: 16px;
    position: relative;
    z-index: 1;
}

.breadcrumb {
    margin-top: 20px;
    font-size: 13px;
    color: var(--color-text-3);
    position: relative;
    z-index: 1;
}

.breadcrumb a { color: var(--color-text-2); }
.breadcrumb a:hover { color: var(--color-text); text-decoration: underline; }

/* 内容排版 */
.page-section {
    padding: 80px 0;
}

.page-section.bg-warm {
    background: var(--color-bg-warm);
}

.page-section .section-head {
    margin-bottom: 48px;
}

.page-content {
    max-width: 860px;
    margin: 0 auto;
    color: var(--color-text-2);
    font-size: 15px;
    line-height: 1.9;
}

.page-content h2 {
    font-family: var(--font-display);
    font-size: 26px;
    color: var(--color-text);
    letter-spacing: 1px;
    margin: 48px 0 16px;
    padding-top: 8px;
}

.page-content h2:first-child {
    margin-top: 0;
}

.page-content h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
    margin: 32px 0 12px;
}

.page-content p {
    margin-bottom: 16px;
}

.page-content ul,
.page-content ol {
    margin: 0 0 20px 24px;
    list-style: disc;
}

.page-content ol { list-style: decimal; }

.page-content li {
    margin-bottom: 8px;
}

.page-content strong {
    color: var(--color-text);
}

.page-content a {
    color: var(--color-primary-dark);
    font-weight: 600;
    border-bottom: 1px dashed var(--color-primary-dark);
}

.page-content a:hover {
    border-bottom-style: solid;
}

/* 提示框 */
.note-box {
    background: var(--color-primary-light);
    border-left: 4px solid var(--color-primary-dark);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 16px 20px;
    margin: 24px 0;
    font-size: 14px;
}

.note-box.blue { background: var(--color-blue-light); border-left-color: var(--color-blue); }
.note-box.pink { background: var(--color-pink-light); border-left-color: var(--color-pink); }
.note-box.orange { background: var(--color-orange-light); border-left-color: var(--color-orange); }

/* ================= 关于我们 ================= */

/* 品牌故事 */
.brand-story {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    max-width: 1080px;
    margin: 0 auto;
}

.brand-story-text h2 {
    font-family: var(--font-display);
    font-size: 30px;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    color: var(--color-text);
}

.brand-story-text p {
    color: var(--color-text-2);
    line-height: 1.9;
    margin-bottom: 16px;
}

.brand-story-text .highlight {
    background: var(--color-primary-light);
    padding: 2px 6px;
    border-radius: 6px;
    font-weight: 600;
    color: var(--color-text);
}

.brand-story-visual {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-mint-light));
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.brand-story-visual .big-word {
    font-family: var(--font-display);
    font-size: 96px;
    line-height: 1;
    letter-spacing: 4px;
}

.brand-story-visual .small-word {
    font-family: var(--font-display);
    font-size: 22px;
    letter-spacing: 6px;
    margin-top: 16px;
    color: var(--color-text-2);
}

.brand-story-visual .deco {
    position: absolute;
    font-size: 40px;
    opacity: 0.5;
}

.brand-story-visual .deco-1 { top: 16px; left: 16px; transform: rotate(-15deg); }
.brand-story-visual .deco-2 { bottom: 16px; right: 16px; transform: rotate(15deg); }

/* 价值观 */
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1080px;
    margin: 0 auto;
}

.value-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.value-card .value-icon {
    font-size: 40px;
    margin-bottom: 16px;
    display: block;
}

.value-card h4 {
    font-family: var(--font-display);
    font-size: 20px;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.value-card p {
    font-size: 13px;
    color: var(--color-text-2);
    line-height: 1.7;
}

/* 发展历程 */
.timeline {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-mint));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding: 0 0 40px 24px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
    content: '';
    position: absolute;
    left: -37px;
    top: 4px;
    width: 17px;
    height: 17px;
    border-radius: 50%;
    background: var(--color-card);
    border: 4px solid var(--color-primary-dark);
}

.timeline-year {
    font-family: var(--font-display);
    font-size: 24px;
    color: var(--color-primary-dark);
    margin-bottom: 4px;
}

.timeline-item h4 {
    font-size: 17px;
    margin-bottom: 6px;
}

.timeline-item p {
    font-size: 14px;
    color: var(--color-text-2);
    line-height: 1.7;
}

/* 团队 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1080px;
    margin: 0 auto;
}

.team-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.team-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.team-avatar.ta-1 { background: var(--color-orange-light); }
.team-avatar.ta-2 { background: var(--color-pink-light); }
.team-avatar.ta-3 { background: var(--color-blue-light); }
.team-avatar.ta-4 { background: var(--color-mint-light); }

.team-card h4 { font-size: 16px; margin-bottom: 4px; }
.team-card .team-role {
    font-size: 12px;
    color: var(--color-primary-dark);
    font-weight: 600;
    margin-bottom: 10px;
}
.team-card .team-bio {
    font-size: 12px;
    color: var(--color-text-3);
    line-height: 1.6;
}

/* ================= 社区页 ================= */

.community-intro {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
    color: var(--color-text-2);
    font-size: 15px;
    line-height: 1.9;
}

/* 互动功能详解 */
.interact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1080px;
    margin: 0 auto;
}

.interact-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.interact-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.interact-card .interact-icon {
    font-size: 40px;
    display: block;
    margin-bottom: 16px;
}

.interact-card h4 {
    font-family: var(--font-display);
    font-size: 21px;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.interact-card p {
    font-size: 13px;
    color: var(--color-text-2);
    line-height: 1.7;
    margin-bottom: 14px;
}

.interact-card ul {
    font-size: 13px;
    color: var(--color-text-2);
    list-style: none;
}

.interact-card ul li {
    padding: 3px 0;
    position: relative;
    padding-left: 20px;
}

.interact-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary-dark);
    font-weight: 700;
}

/* 小组展示 */
.group-section {
    max-width: 1080px;
    margin: 0 auto;
}

.group-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.group-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: all 0.3s ease;
}

.group-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.group-logo {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}

.gl-1 { background: var(--color-orange-light); }
.gl-2 { background: var(--color-pink-light); }
.gl-3 { background: var(--color-blue-light); }
.gl-4 { background: var(--color-mint-light); }
.gl-5 { background: var(--color-primary-light); }
.gl-6 { background: var(--color-bg); }

.group-info h5 { font-size: 15px; margin-bottom: 2px; }
.group-info p {
    font-size: 12px;
    color: var(--color-text-3);
}

.group-info .group-stat {
    color: var(--color-primary-dark);
    font-weight: 600;
}

/* 社区规范 */
.rules-list {
    max-width: 860px;
    margin: 0 auto;
}

.rules-list .rule-item {
    display: flex;
    gap: 16px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 16px;
}

.rule-num {
    font-family: var(--font-display);
    font-size: 28px;
    color: var(--color-primary-dark);
    flex-shrink: 0;
    line-height: 1.2;
}

.rule-item h4 { font-size: 16px; margin-bottom: 6px; }
.rule-item p { font-size: 14px; color: var(--color-text-2); line-height: 1.7; }

/* ================= 联系我们 ================= */

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1080px;
    margin: 0 auto 64px;
}

.contact-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.contact-card .contact-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
}

.ci-1 { background: var(--color-orange-light); }
.ci-2 { background: var(--color-pink-light); }
.ci-3 { background: var(--color-blue-light); }
.ci-4 { background: var(--color-mint-light); }
.ci-5 { background: var(--color-primary-light); }
.ci-6 { background: var(--color-bg); }

.contact-card h4 { font-family: var(--font-display); font-size: 20px; margin-bottom: 8px; letter-spacing: 1px; }
.contact-card p { font-size: 13px; color: var(--color-text-2); margin-bottom: 12px; line-height: 1.7; }
.contact-card a {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary-dark);
    border-bottom: 1px dashed var(--color-primary-dark);
}
.contact-card a:hover { border-bottom-style: solid; }

/* 联系表单 */
.contact-form-wrap {
    max-width: 760px;
    margin: 0 auto;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-sm);
}

.contact-form-wrap h3 {
    font-family: var(--font-display);
    font-size: 26px;
    margin-bottom: 8px;
    letter-spacing: 1px;
    text-align: center;
}

.contact-form-wrap > p {
    text-align: center;
    color: var(--color-text-3);
    font-size: 14px;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group label .req { color: #FF6B6B; }

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    font-family: var(--font-zh);
    font-size: 14px;
    color: var(--color-text);
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary-dark);
    background: var(--color-card);
    box-shadow: 0 0 0 4px var(--color-primary-light);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: var(--color-text);
    color: var(--color-bg);
    border: none;
    border-radius: 100px;
    font-family: var(--font-zh);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-submit:hover {
    background: var(--color-primary);
    color: var(--color-text);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.form-success {
    display: none;
    text-align: center;
    padding: 40px 0;
}

.form-success.show { display: block; }
.form-success .success-icon { font-size: 56px; display: block; margin-bottom: 16px; }
.form-success h4 { font-family: var(--font-display); font-size: 24px; margin-bottom: 8px; }
.form-success p { color: var(--color-text-2); font-size: 14px; }

/* ================= FAQ ================= */

.faq-wrap {
    max-width: 760px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-zh);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
}

.faq-question .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 16px;
    transition: all 0.3s ease;
}

.faq-item.active .faq-icon {
    background: var(--color-primary);
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--color-text-2);
    font-size: 14px;
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 400px;
}

/* ================= 响应式 ================= */
@media (max-width: 1024px) {
    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .interact-grid { grid-template-columns: repeat(2, 1fr); }
    .group-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .brand-story { grid-template-columns: 1fr; }
    .brand-story-visual { padding: 32px; }
    .brand-story-visual .big-word { font-size: 72px; }
    .page-section { padding: 60px 0; }
    .timeline { padding-left: 24px; }
    .contact-form-wrap { padding: 32px 20px; }
}

@media (max-width: 480px) {
    .values-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr; }
    .interact-grid { grid-template-columns: 1fr; }
    .group-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .page-hero { padding: 120px 0 48px; }
    .page-hero h1 { font-size: 32px; }
}