/* ===================================
   阳新方言守护计划 - 全局样式
   =================================== */

/* CSS变量 */
:root {
    --primary: #059669;
    --primary-dark: #047857;
    --primary-darker: #065f46;
    --primary-light: #10b981;
    --bg-light: #ecfdf5;
    --bg-lighter: #d1fae5;
    --accent: #f59e0b;
    --danger: #ef4444;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--gray-50);
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }

/* Typography - Headings use Serif font */
h1, h2, h3, h4, h5, h6,
.section-title, .page-title, .card-title,
.nav-link, .nav-logo {
    font-family: 'Noto Serif SC', 'Noto Sans SC', serif;
}
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; }

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

/* 导航栏 - 现代化样式已移至nav.php内联style */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1001;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.nav-logo:hover { color: var(--primary-dark); }

.logo-icon { font-size: 1.5rem; }

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
}

.nav-item { position: relative; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    color: #374151;
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
}

.nav-link:hover {
    color: #059669;
    background: rgba(5, 150, 105, 0.08);
}

.nav-auth { display: flex; gap: 8px; }
.btn-login { color: var(--primary) !important; }
.btn-register {
    background: var(--primary);
    color: var(--white) !important;
}
.btn-register:hover { background: var(--primary-dark); }

.user-link { display: flex; align-items: center; gap: 8px; }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; border: 2px solid #e5e7eb; }

/* 主内容区 */
.main-content { min-height: calc(100vh - 200px); padding-bottom: 60px; }

/* 通用区块 */
.section { padding: 60px 0; }
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}
.section-title {
    font-size: 1.75rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-title .icon { font-size: 1.5rem; }
.section-sub-title {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-desc { color: var(--text-light); margin-bottom: 20px; }
.more-link {
    color: var(--primary);
    font-weight: 500;
}
.more-link:hover { color: var(--primary-dark); text-decoration: underline; }

/* ===================================
   Hero区域
   =================================== */
.hero-section {
    position: relative;
    padding: 80px 0;
    overflow: hidden;
    color: var(--white);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-darker) 50%, #064e3b 100%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content { text-align: center; max-width: 800px; margin: 0 auto; }

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

/* 统计数字 */
.stats-row {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 40px;
}

.stat-item { text-align: center; }

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* 搜索框 */
.hero-search {
    display: flex;
    max-width: 600px;
    margin: 0 auto 30px;
    background: var(--white);
    border-radius: 50px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.search-input {
    flex: 1;
    padding: 16px 24px;
    border: none;
    font-size: 1rem;
    color: var(--text-dark);
    outline: none;
}

.search-btn {
    padding: 16px 24px;
    background: var(--primary);
    border: none;
    color: var(--white);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover { background: var(--primary-dark); }

/* 标签 */
.hero-tags {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.tag {
    padding: 6px 16px;
    background: rgba(255,255,255,0.2);
    border-radius: 50px;
    font-size: 0.875rem;
}

/* ===================================
   每日一词卡片
   =================================== */
.daily-word-section { background: var(--white); }

.daily-word-card {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--white) 100%);
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 2px solid var(--bg-lighter);
    position: relative;
    overflow: hidden;
}

.daily-word-card::before {
    content: '每日一词';
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--primary);
    color: var(--white);
    padding: 4px 40px;
    font-size: 0.75rem;
    transform: rotate(45deg);
}

.daily-word-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}

.word-display { flex: 1; }

.word-title {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.word-pinyin {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 4px;
}

.word-ipa {
    font-size: 1rem;
    color: var(--text-light);
    font-family: 'Times New Roman', serif;
}

.play-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}
.play-btn:hover { background: var(--primary-dark); transform: scale(1.05); }
.play-icon { font-size: 1.5rem; }

.daily-word-definition, .daily-word-example {
    margin-bottom: 20px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius);
}

.daily-word-definition h4, .daily-word-example h4 {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.daily-word-definition p, .example-dialect {
    font-size: 1.125rem;
    color: var(--text-dark);
    line-height: 1.8;
}

.daily-word-meta {
    display: flex;
    gap: 12px;
}

.category-tag, .town-tag {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.875rem;
}

.category-tag { background: var(--primary); color: var(--white); }
.town-tag { background: var(--bg-lighter); color: var(--text-dark); }

/* ===================================
   守护者排行
   =================================== */
.guardians-section { background: var(--gray-50); }

.guardians-wall {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.guardian-item { text-align: center; }

.guardian-avatar {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 12px;
}

.guardian-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid var(--primary);
    object-fit: cover;
}

.guardian-badge {
    position: absolute;
    bottom: -5px;
    right: -5px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--white);
}

.rank-1 { background: #ffd700; }
.rank-2 { background: #c0c0c0; }
.rank-3 { background: #cd7f32; }

.guardian-name { font-weight: 600; margin-bottom: 4px; }
.guardian-contribution { font-size: 0.875rem; color: var(--text-light); }

.guardians-action { text-align: center; }

/* ===================================
   词汇卡片网格
   =================================== */
.words-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.word-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.word-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.word-card-header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 12px;
}

.word-card-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
}

.word-card-pinyin {
    font-size: 0.875rem;
    color: var(--text-light);
}

.word-card-mandarin {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.word-card-mandarin .label { color: var(--text-lighter); }

.word-card-definition {
    flex: 1;
    font-size: 0.9375rem;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.6;
}

.word-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.word-card-category {
    padding: 4px 12px;
    background: var(--bg-light);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

.word-card-actions { display: flex; gap: 8px; }
.action-icon { font-size: 1rem; }

/* ===================================
   词汇列表页
   =================================== */
.page-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-darker));
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-title { font-size: 2.5rem; margin-bottom: 12px; }
.page-subtitle { font-size: 1.125rem; opacity: 0.9; }

.words-section { padding-top: 40px; }

.filter-bar {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
}

.filter-form { display: flex; flex-direction: column; gap: 20px; }

.search-box {
    display: flex;
    gap: 12px;
}

.search-box .search-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
}

.search-box .search-btn {
    padding: 12px 20px;
    border-radius: var(--radius);
}

.category-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 8px 16px;
    background: var(--gray-100);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--text-dark);
    transition: var(--transition);
}

.category-tab:hover { background: var(--bg-light); color: var(--primary); }
.category-tab.active { background: var(--primary); color: var(--white); }

.town-filter {
    display: flex;
    align-items: center;
    gap: 12px;
}

.town-select {
    padding: 8px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.875rem;
    min-width: 150px;
}

.result-info {
    margin-bottom: 20px;
    color: var(--text-light);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.page-btn {
    padding: 8px 16px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    color: var(--text-dark);
    transition: var(--transition);
}

.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}
.empty-icon { font-size: 4rem; margin-bottom: 20px; }
.empty-state h3 { font-size: 1.5rem; margin-bottom: 12px; }
.empty-state p { color: var(--text-light); margin-bottom: 24px; }

/* ===================================
   词汇详情页
   =================================== */
.breadcrumb {
    background: var(--white);
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.875rem;
    color: var(--text-light);
}

.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--text-dark); }

.word-detail-section { padding: 40px 0; }

.word-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.word-main-info { flex: 1; }

.word-detail-title {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.word-detail-pinyin {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 4px;
}

.word-detail-ipa {
    font-size: 1rem;
    color: var(--text-lighter);
    font-family: 'Times New Roman', serif;
}

.word-tags { display: flex; gap: 8px; }
.tag-category { background: var(--primary); color: var(--white); padding: 6px 16px; border-radius: 50px; font-size: 0.875rem; }
.tag-town { background: var(--bg-lighter); color: var(--text-dark); padding: 6px 16px; border-radius: 50px; font-size: 0.875rem; }

/* 方言-普通话对照区 */
.comparison-section { margin-bottom: 50px; }

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.comparison-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 30px;
    box-shadow: var(--shadow);
}

.dialect-card { border: 2px solid var(--primary); }
.mandarin-card { border: 2px solid var(--gray-300); }

.comparison-header {
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
}

.comparison-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.dialect-word h2 {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.dialect-pinyin { font-size: 1.25rem; color: var(--text-light); }

.play-btn-large {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1.125rem;
    cursor: pointer;
    margin-top: 20px;
    transition: var(--transition);
}
.play-btn-large:hover { background: var(--primary-dark); transform: scale(1.02); }

.no-audio-tip { color: var(--text-lighter); margin-top: 20px; }

.speaker-info {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
    font-size: 0.875rem;
    color: var(--text-light);
}

.mandarin-word h2 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.mandarin-definition {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-dark);
}

/* 乡镇读音对比 */
.town-pronunciation-section {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 50px;
}

.town-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.town-tab {
    padding: 10px 20px;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.9375rem;
    transition: var(--transition);
}
.town-tab:hover { background: var(--bg-light); color: var(--primary); }
.town-tab.active { background: var(--primary); color: var(--white); }

.town-panels { min-height: 200px; }

.town-panel { display: none; }
.town-panel.active { display: block; }

.variant-card {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

.variant-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
}

.variant-town { font-weight: 600; color: var(--primary); }
.variant-speaker { font-size: 0.875rem; color: var(--text-light); }

.variant-ipa { font-family: 'Times New Roman', serif; color: var(--text-dark); margin-bottom: 12px; }

.variant-play-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.875rem;
}
.variant-play-btn:hover { background: var(--primary-dark); }

.variant-notes {
    margin-top: 12px;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* 释义区 */
.definition-section {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 50px;
}

.definition-item { margin-bottom: 24px; }
.definition-item:last-child { margin-bottom: 0; }

.definition-item h4 {
    font-size: 1rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.definition-item p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.example-box {
    background: var(--bg-light);
    padding: 20px;
    border-radius: var(--radius);
    border-left: 4px solid var(--primary);
}

.word-stats {
    display: flex;
    gap: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
    margin-top: 24px;
}

.word-stats .stat-item { color: var(--text-light); font-size: 0.9375rem; }
.word-stats .icon { margin-right: 4px; }

/* 互动区 */
.interaction-section {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 50px;
}

.interaction-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.interaction-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gray-100);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}
.interaction-btn:hover { background: var(--gray-200); }
.interaction-btn.active { background: var(--primary); color: var(--white); }
.interaction-btn .btn-icon { font-size: 1.25rem; }
.interaction-btn .btn-count { background: rgba(0,0,0,0.1); padding: 2px 8px; border-radius: 50px; font-size: 0.875rem; }

.login-prompt {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: var(--radius);
    text-align: center;
    color: var(--text-light);
}

/* 评论区 */
.comments-section {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    margin-bottom: 50px;
}

.comment-form { margin-bottom: 30px; }

.comment-textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    resize: vertical;
    min-height: 100px;
}
.comment-textarea:focus { outline: none; border-color: var(--primary); }

.comment-form-actions { margin-top: 12px; text-align: right; }

.comments-list { display: flex; flex-direction: column; gap: 20px; }

.comment-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius);
}

.comment-avatar { flex-shrink: 0; }
.comment-avatar img { width: 48px; height: 48px; border-radius: 50%; }

.comment-body { flex: 1; }
.comment-header { display: flex; gap: 12px; margin-bottom: 8px; }
.comment-author { font-weight: 600; }
.comment-time { font-size: 0.875rem; color: var(--text-light); }
.comment-content { line-height: 1.6; }
.comment-audio { margin-top: 8px; }

.audio-play-btn {
    padding: 6px 12px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    cursor: pointer;
}

.empty-comments {
    text-align: center;
    padding: 40px;
    color: var(--text-light);
}

/* 相关词汇 */
.related-words-section { margin-bottom: 50px; }

.related-words-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.related-word-card {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.related-word-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.related-word-card h4 { color: var(--primary); font-size: 1.25rem; margin-bottom: 4px; }
.related-word-pinyin { font-size: 0.875rem; color: var(--text-light); margin-bottom: 8px; }
.related-word-def { font-size: 0.875rem; color: var(--text-dark); }

/* 贡献入口 */
.contribute-entry-section { margin-bottom: 50px; }

.contribute-entry-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--bg-light), var(--white));
    border: 2px dashed var(--primary);
    border-radius: var(--radius-xl);
    padding: 30px 40px;
}

.contribute-entry-icon { font-size: 3rem; margin-right: 24px; }
.contribute-entry-content { flex: 1; }
.contribute-entry-content h3 { font-size: 1.25rem; margin-bottom: 4px; }
.contribute-entry-content p { color: var(--text-light); }

/* ===================================
   登录/注册页
   =================================== */
.auth-page {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    background: var(--gray-50);
}

.auth-container {
    display: flex;
    width: 100%;
    max-width: 1000px;
    margin: 40px auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.auth-brand {
    flex: 1;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-darker));
    color: var(--white);
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-title { font-size: 2rem; margin-bottom: 16px; }
.brand-slogan { font-size: 1.125rem; opacity: 0.9; margin-bottom: 40px; }

.brand-features { display: flex; flex-direction: column; gap: 16px; margin-bottom: 40px; }
.feature-item { display: flex; align-items: center; gap: 12px; }
.feature-icon { font-size: 1.5rem; }

.guardian-badge-display {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    padding: 12px 20px;
    border-radius: var(--radius);
    width: fit-content;
}
.badge-icon { font-size: 1.5rem; }
.badge-number { font-weight: 700; font-size: 1.5rem; }

.auth-form-wrapper {
    flex: 1;
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-form-container { max-width: 360px; margin: 0 auto; width: 100%; }
.auth-title { font-size: 1.75rem; margin-bottom: 8px; }
.auth-subtitle { color: var(--text-light); margin-bottom: 30px; }

.auth-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.9375rem;
    transition: var(--transition);
}
.auth-tab:hover { background: var(--gray-200); }
.auth-tab.active { background: var(--primary); color: var(--white); }

.auth-form { display: none; }
.auth-form.active { display: block; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; color: var(--text-dark); }

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="password"],
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--primary); }

.code-input-group { display: flex; gap: 12px; }
.code-input-group input { flex: 1; }

.send-code-btn { white-space: nowrap; }

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.remember-me { display: flex; align-items: center; gap: 6px; font-size: 0.875rem; }
.forgot-link { font-size: 0.875rem; color: var(--primary); }
.forgot-link:hover { text-decoration: underline; }

.agreement-label { font-size: 0.875rem; }
.agreement-label a { color: var(--primary); }

/* ===================================
   按钮
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); color: var(--white); }

.btn-secondary { background: var(--gray-200); color: var(--text-dark); }
.btn-secondary:hover { background: var(--gray-300); }

.btn-block { width: 100%; }
.btn-lg { padding: 16px 32px; font-size: 1.125rem; }

/* ===================================
   方言之声 / 文章 / 快速入口
   =================================== */
.voices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.voice-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.voice-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.voice-cover {
    height: 160px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.voice-play-btn {
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
}
.voice-play-btn:hover { transform: scale(1.1); }

.voice-info { padding: 20px; }
.voice-title { font-size: 1.125rem; margin-bottom: 8px; }
.voice-meta { display: flex; gap: 12px; font-size: 0.875rem; }
.voice-town, .voice-type { color: var(--text-light); }

/* 文章列表 */
.articles-list { display: flex; flex-direction: column; gap: 16px; }

.article-item {
    display: block;
    background: var(--white);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.article-item:hover { box-shadow: var(--shadow); transform: translateX(4px); }

.article-title { font-size: 1.25rem; margin-bottom: 8px; color: var(--text-dark); }
.article-excerpt { font-size: 0.9375rem; color: var(--text-light); margin-bottom: 12px; }
.article-meta { display: flex; gap: 16px; font-size: 0.875rem; color: var(--text-lighter); }

/* 快速入口 */
.quick-entry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.quick-entry-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.quick-entry-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.quick-entry-icon { font-size: 3rem; margin-bottom: 16px; display: block; }
.quick-entry-card h3 { font-size: 1.125rem; margin-bottom: 8px; color: var(--text-dark); }
.quick-entry-card p { font-size: 0.875rem; color: var(--text-light); }

/* 贡献区块 */
.contribute-section, .contribute-section {
    background: var(--bg-light);
}

.contribute-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.contribute-content h3 { font-size: 1.5rem; margin-bottom: 8px; }
.contribute-content p { color: var(--text-light); }

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 { font-size: 1.25rem; margin-bottom: 8px; }
.footer-brand p { color: var(--text-lighter); }

.footer-links { display: flex; gap: 60px; flex: 1; }

.footer-column h4 { font-size: 1rem; margin-bottom: 16px; }
.footer-column ul { list-style: none; }
.footer-column li { margin-bottom: 8px; }
.footer-column a { color: var(--text-lighter); font-size: 0.9375rem; }
.footer-column a:hover { color: var(--white); }

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-lighter);
}
.footer-bottom a { color: var(--text-lighter); }
.footer-bottom a:hover { color: var(--white); }

/* ===================================
   响应式设计
   =================================== */
/* ===================================
   全局移动端适配增强
   =================================== */
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    
    /* 通用按钮 - 确保最小高度44px */
    .btn {
        min-height: 44px;
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .btn-lg {
        min-height: 48px;
        padding: 14px 24px;
        font-size: 15px;
    }
    
    /* 导航相关 */
    .nav-link {
        padding: 10px 14px;
        font-size: 14px;
    }
    
    .nav-auth {
        gap: 6px;
    }
    
    .user-avatar {
        width: 28px;
        height: 28px;
    }
    
    /* Hero区域 */
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-title { font-size: 1.75rem; }
    .hero-subtitle { font-size: 1rem; }
    
    .stats-row { flex-direction: column; gap: 16px; }
    .stat-number { font-size: 2rem; }
    .stat-label { font-size: 0.875rem; }
    
    .hero-search {
        border-radius: 14px;
    }
    
    .search-input {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .search-btn {
        padding: 12px 14px;
        border-radius: 14px;
    }
    
    .hero-tags {
        gap: 8px;
    }
    
    .tag {
        padding: 4px 12px;
        font-size: 0.8125rem;
    }
    
    /* 每日一词 */
    .daily-word-card {
        padding: 24px 16px;
    }
    
    .word-title {
        font-size: 2.5rem;
    }
    
    .word-pinyin {
        font-size: 1.25rem;
    }
    
    .play-btn {
        padding: 12px 24px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
    }
    
    .daily-word-definition, .daily-word-example {
        padding: 16px;
    }
    
    .daily-word-meta {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    /* 通用卡片 */
    .voice-card, .article-item, .quick-entry-card {
        margin-bottom: 16px;
    }
    
    .voice-cover {
        height: 140px;
    }
    
    .voice-play-btn {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    /* 方言之声/文章网格 */
    .voices-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    /* 贡献区块 */
    .contribute-box {
        padding: 24px;
        flex-direction: column;
        text-align: center;
    }
    
    .contribute-content h3 {
        font-size: 1.25rem;
    }
    
    /* 词汇详情页 */
    .comparison-grid { grid-template-columns: 1fr; }
    .word-detail-title { font-size: 2rem; }
    
    /* 表单 */
    .form-group input,
    .form-group select {
        min-height: 44px;
        padding: 10px 14px;
        font-size: 14px;
    }
    
    .code-input-group {
        flex-direction: column;
        gap: 8px;
    }
    
    .send-code-btn {
        width: 100%;
        min-height: 44px;
    }
    
    /* 认证页面 */
    .auth-container { flex-direction: column; margin: 16px; }
    .auth-brand { padding: 32px 20px; }
    .auth-form-wrapper { padding: 32px 20px; }
    .auth-form-container { max-width: 100%; }
    
    /* Footer */
    .footer-content { flex-direction: column; gap: 24px; }
    .footer-links { flex-wrap: wrap; gap: 24px; }
    .footer-bottom { font-size: 0.8125rem; }
    
    /* 贡献入口区块 */
    .contribute-entry-box { flex-direction: column; text-align: center; gap: 16px; }
    .contribute-entry-icon { margin: 0; }
    
    /* 通用区块间距 */
    .section { padding: 40px 0; }
    .section-title { font-size: 1.4rem; }
    .section-sub-title { font-size: 1rem; }
    
    /* 分页 */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    
    /* 标签页 */
    .category-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 8px;
        gap: 8px;
    }
    
    .category-tab {
        flex-shrink: 0;
        padding: 8px 16px;
        font-size: 13px;
    }
    
    /* 互动按钮 */
    .interaction-buttons {
        flex-wrap: wrap;
    }
    
    /* 统计数据 */
    .word-stats {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    /* 模态框/弹窗 */
    .modal-content {
        margin: 16px;
        max-width: calc(100% - 32px);
    }
    
    /* 图片最大宽度 */
    img {
        max-width: 100%;
        height: auto;
    }
}

@media (max-width: 480px) {
    .hero-section { padding: 32px 0; }
    .hero-title { font-size: 1.5rem; }
    .hero-subtitle { font-size: 0.9375rem; }
    .hero-search { border-radius: 14px; }
    .search-btn { border-radius: 14px; }
    
    .section { padding: 32px 0; }
    .section-title { font-size: 1.25rem; }
    
    .daily-word-card { padding: 20px 14px; }
    .word-title { font-size: 2rem; }
    .word-pinyin { font-size: 1.1rem; }
    
    .category-tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; }
    .category-tab { flex-shrink: 0; padding: 6px 12px; font-size: 12px; }
    
    .interaction-buttons { flex-direction: column; gap: 8px; }
    .interaction-btn { justify-content: center; }
    
    .word-stats { flex-wrap: wrap; gap: 8px; }
    
    .pagination { flex-wrap: wrap; }
    
    .btn { min-height: 42px; }
    
    .modal-content {
        margin: 10px;
        max-width: calc(100% - 20px);
        padding: 16px !important;
    }
}

/* 方言之声标题链接 */
.voice-title-link {
    text-decoration: none;
    color: inherit;
    display: block;
}
.voice-title-link:hover h3 {
    color: var(--primary);
}

/* 右侧浮动按钮 - 微信公众号 & 返回顶部 */
.floating-wechat {
    position: fixed !important;
    bottom: 100px !important;
    right: 40px !important;
    z-index: 999 !important;
}
.floating-wechat-btn {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #07c160, #06ad56);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(7, 193, 96, 0.4);
    transition: all 0.3s ease;
    animation: gentleFloat 3s ease-in-out infinite;
}
.floating-wechat-btn i {
    font-size: 28px;
    color: #fff;
}
.floating-wechat-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(7, 193, 96, 0.5);
}
.floating-wechat-popup {
    position: absolute;
    bottom: 60px;
    right: 0;
    background: #fff;
    padding: 16px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    white-space: nowrap;
}
.floating-wechat-popup::after {
    content: ;
    position: absolute;
    bottom: -6px;
    right: 20px;
    transform: rotate(45deg);
    width: 12px;
    height: 12px;
    background: #fff;
    box-shadow: 2px 2px 4px rgba(0,0,0,0.05);
}
.floating-wechat-popup img {
    width: 200px;
    height: auto;
    display: block;
    border-radius: 4px;
}
.floating-wechat-popup p {
    margin: 10px 0 0;
    font-size: 13px;
    color: #333;
    text-align: center;
}
.floating-wechat:hover .floating-wechat-popup,
.floating-wechat.active .floating-wechat-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top {
    position: fixed !important;
    bottom: 40px !important;
    right: 40px !important;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00d9ff, #7b68ee);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000 !important;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    animation: gentleFloat 3s ease-in-out infinite;
}
.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 217, 255, 0.5);
}
.back-to-top svg {
    transition: transform 0.3s ease;
}
.back-to-top:hover svg {
    transform: translateY(-2px);
}
@keyframes gentleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@media (max-width: 768px) {
    .floating-wechat {
        bottom: 80px !important;
        right: 20px !important;
    }
    .floating-wechat-btn {
        width: 50px;
        height: 50px;
    }
    .floating-wechat-btn i {
        font-size: 24px;
    }
    .floating-wechat-popup {
        right: -10px;
    }
    .floating-wechat-popup img {
        width: 180px;
    }
    .back-to-top {
        bottom: 20px !important;
        right: 20px !important;
        width: 50px;
        height: 50px;
    }
}