/* ============================================
   高草堂中医医学研究院 - 中国风样式
   古色古香 · 中医主题
   ============================================ */

:root {
    --cinnabar: #8B7355;      /* 屎黄色 · 主题色 */
    --gold: #C4A46A;          /* 金色 · 辅助色 */
    --gold-light: #E8D5A8;
    --rice: #FFFDF6;          /* 米色 · 宣纸 */
    --ink: #3A3028;           /* 墨色（偏暖） */
    --ink-light: #7A6E5E;
    --jade: #5A7A4A;          /* 黛绿点缀 */
    --border-color: #B8965A;
    --shadow: rgba(80, 60, 30, 0.15);
}

/* ---------- 全局 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: "Songti SC", "SimSun", "STSong", "Noto Serif SC", "Microsoft YaHei", serif;
    color: var(--ink);
    background-color: var(--rice);
    background-image:
        radial-gradient(ellipse at 20% 10%, rgba(218, 165, 32, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 90%, rgba(139, 0, 0, 0.05) 0%, transparent 50%),
        url('../images/rice-paper.png');
    background-repeat: repeat;
    line-height: 1.8;
    font-size: 15px;
}

a { text-decoration: none; color: var(--cinnabar); transition: all 0.3s ease; }
a:hover { color: var(--gold); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3, h4 {
    font-family: "Kaiti SC", "STKaiti", "KaiTi", "Noto Serif SC", serif;
    font-weight: 700;
}

/* ---------- 顶部信息条 ---------- */
.topbar {
    background: var(--cinnabar);
    color: #F5E6C8;
    font-size: 13px;
    padding: 6px 0;
    letter-spacing: 1px;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
.topbar a { color: #F5E6C8; margin: 0 8px; }
.topbar a:hover { color: var(--gold-light); }

/* ---------- 导航栏 ---------- */
.header {
    background: linear-gradient(180deg, #FFFDF6 0%, #F8F2DF 100%);
    border-bottom: 3px solid var(--gold);
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 10px 20px; }
.logo { display: flex; align-items: center; gap: 14px; }
.logo-img {
    width: 62px; height: 62px;
    border: 2px solid var(--gold);
    border-radius: 50%;
    background: var(--cinnabar);
    color: var(--gold-light);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
}
.logo-text h1 { font-size: 20px; color: var(--cinnabar); letter-spacing: 4px; }
.logo-text p { font-size: 16px; color: var(--gold); letter-spacing: 3px; margin-top: -2px; }

.nav { display: flex; align-items: center; }
.nav > li { position: relative; }
.nav > li > a {
    display: block; padding: 18px 16px;
    color: var(--ink); font-size: 16px; font-weight: 700;
    letter-spacing: 2px;
}
.nav > li > a:hover, .nav > li.active > a { color: var(--cinnabar); background: rgba(139,0,0,0.06); }
.nav > li > a::after {
    content: ""; display: block; width: 0; height: 2px;
    background: var(--cinnabar); margin: 2px auto 0; transition: width 0.3s;
}
.nav > li > a:hover::after, .nav > li.active > a::after { width: 100%; }

.dropdown-menu {
    position: absolute; top: 100%; left: 0;
    background: #FFFDF6; min-width: 160px;
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--cinnabar);
    box-shadow: 0 6px 16px var(--shadow);
    display: none; z-index: 999;
}
.nav > li:hover .dropdown-menu { display: block; }
.dropdown-menu a { display: block; padding: 10px 18px; color: var(--ink); font-size: 14px; border-bottom: 1px dashed #E5D9B8; }
.dropdown-menu a:hover { background: #F5EED8; color: var(--cinnabar); padding-left: 24px; }

.nav-toggle {
    display: none;
    background: none; border: 1px solid var(--cinnabar); color: var(--cinnabar);
    font-size: 22px; padding: 4px 10px; border-radius: 4px; cursor: pointer;
}

/* ---------- 轮播图 ---------- */
.banner { position: relative; overflow: hidden; background: var(--ink); }
.slider { position: relative; height: 460px; }
.slide {
    position: absolute; inset: 0;
    opacity: 0; transition: opacity 0.8s ease;
    display: flex; align-items: center; justify-content: center;
    background-size: cover; background-position: center;
}
.slide.active { opacity: 1; }
.slide-content {
    text-align: center; color: #FFF8E7;
    text-shadow: 0 2px 8px rgba(0,0,0,0.6);
    padding: 0 20px;
}
.slide-content h2 { font-size: 46px; letter-spacing: 10px; margin-bottom: 14px; }
.slide-content p { font-size: 18px; letter-spacing: 4px; opacity: 0.92; }
.slide-content .slide-btn {
    display: inline-block; margin-top: 24px;
    padding: 10px 36px; border: 1px solid var(--gold-light);
    color: var(--gold-light); letter-spacing: 3px; font-size: 15px;
    background: rgba(139,0,0,0.35); border-radius: 2px;
}
.slide-content .slide-btn:hover { background: var(--cinnabar); color: #fff; }
.slider-dots { position: absolute; bottom: 20px; left: 0; right: 0; display: flex; justify-content: center; gap: 10px; z-index: 5; }
.slider-dots span { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; border: 1px solid var(--gold); }
.slider-dots span.active { background: var(--gold); }
.slider-arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 44px; height: 44px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.6); background: rgba(0,0,0,0.25);
    color: #fff; font-size: 20px; cursor: pointer; z-index: 5;
    display: flex; align-items: center; justify-content: center;
}
.slider-arrow:hover { background: var(--cinnabar); border-color: var(--cinnabar); }
.slider-arrow.prev { left: 18px; }
.slider-arrow.next { right: 18px; }

/* ---------- 标题装饰 ---------- */
.section { padding: 60px 0; }
.section-title { text-align: center; margin-bottom: 40px; }
.section-title .cn { font-size: 34px; color: var(--cinnabar); letter-spacing: 8px; }
.section-title .en { font-size: 13px; color: var(--gold); letter-spacing: 4px; text-transform: uppercase; margin-top: 6px; }
.section-title .line {
    display: flex; align-items: center; justify-content: center; gap: 12px;
    margin-top: 14px; color: var(--gold); font-size: 18px;
}
.section-title .line::before, .section-title .line::after {
    content: ""; width: 70px; height: 1px; background: var(--gold);
}

/* ---------- 卡片 ---------- */
.card {
    background: #FFFDF6;
    border: 1px solid #E8DDBB;
    border-radius: 4px;
    box-shadow: 0 3px 12px var(--shadow);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 8px 24px rgba(139,0,0,0.18); }
.card-body { padding: 20px; }
.card-title { font-size: 20px; color: var(--cinnabar); margin-bottom: 8px; letter-spacing: 2px; }
.card-text { font-size: 14px; color: var(--ink-light); line-height: 1.9; }

/* ---------- 特色板块 ---------- */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.feature-item { text-align: center; padding: 30px 20px; }
.feature-icon {
    width: 76px; height: 76px; margin: 0 auto 16px;
    border: 2px solid var(--gold); border-radius: 50%;
    background: var(--cinnabar); color: var(--gold-light);
    font-size: 34px; display: flex; align-items: center; justify-content: center;
}
.feature-item h3 { color: var(--cinnabar); font-size: 20px; letter-spacing: 3px; margin-bottom: 10px; }
.feature-item p { font-size: 13.5px; color: var(--ink-light); }

/* ---------- 名医卡片 ---------- */
.doctor-card { text-align: center; }
.doctor-avatar {
    width: 100%; height: 280px; overflow: hidden; position: relative;
    background: #EFE7CE;
}
.doctor-avatar img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.doctor-card:hover .doctor-avatar img { transform: scale(1.06); }
.doctor-avatar .avatar-fallback {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 90px; color: var(--cinnabar); background: linear-gradient(160deg, #F5EED8, #E8DCBA);
}
.doctor-info { padding: 18px; }
.doctor-info h3 { font-size: 22px; color: var(--cinnabar); letter-spacing: 4px; }
.doctor-info .title-tag {
    display: inline-block; margin: 6px 0;
    background: var(--cinnabar); color: var(--gold-light);
    font-size: 12px; padding: 2px 12px; border-radius: 2px; letter-spacing: 2px;
}
.doctor-info p { font-size: 13px; color: var(--ink-light); }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-block; padding: 10px 30px;
    background: var(--cinnabar); color: #FFF8E7;
    border: 1px solid var(--cinnabar); border-radius: 3px;
    font-size: 15px; letter-spacing: 3px; cursor: pointer;
    transition: all 0.3s; font-family: inherit;
}
.btn:hover { background: #A50D0D; color: #fff; box-shadow: 0 4px 12px rgba(139,0,0,0.35); }
.btn-outline {
    background: transparent; color: var(--cinnabar);
    border: 1px solid var(--cinnabar);
}
.btn-outline:hover { background: var(--cinnabar); color: #FFF8E7; }
.btn-gold { background: var(--gold); border-color: var(--gold); color: #3A2A00; }
.btn-gold:hover { background: #C8961E; color: #fff; }
.btn-sm { padding: 6px 16px; font-size: 13px; letter-spacing: 2px; }
.btn-block { display: block; width: 100%; text-align: center; }

/* ---------- 横幅条 ---------- */
.banner-strip {
    background: linear-gradient(90deg, var(--cinnabar), #A50D0D, var(--cinnabar));
    color: var(--gold-light); text-align: center;
    padding: 30px 20px; letter-spacing: 4px; font-size: 18px;
}

/* ---------- 新闻列表 ---------- */
.news-list .news-item {
    display: flex; gap: 16px; padding: 16px 0;
    border-bottom: 1px dashed #D8CBA4; align-items: flex-start;
}
.news-item .date {
    flex-shrink: 0; width: 66px; text-align: center;
    background: var(--cinnabar); color: #FFF8E7; padding: 8px 4px; border-radius: 3px;
}
.news-item .date .d { font-size: 22px; font-weight: 700; line-height: 1.2; }
.news-item .date .m { font-size: 12px; opacity: 0.85; }
.news-item h4 { font-size: 16px; margin-bottom: 4px; }
.news-item h4 a { color: var(--ink); }
.news-item h4 a:hover { color: var(--cinnabar); }
.news-item p { font-size: 13px; color: var(--ink-light); }

/* ---------- 页脚 ---------- */
.footer {
    background: #2A1E10;
    color: #D9CBA4;
    margin-top: 40px;
}
.footer-top {
    background: linear-gradient(90deg, #3A2A18, #2A1E10);
    border-top: 3px solid var(--gold);
    padding: 44px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; }
.footer h4 { color: var(--gold-light); font-size: 18px; letter-spacing: 3px; margin-bottom: 16px; position: relative; padding-bottom: 8px; }
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 2px; background: var(--gold); }
.footer ul li { padding: 4px 0; font-size: 14px; }
.footer ul li a { color: #D9CBA4; }
.footer ul li a:hover { color: var(--gold-light); padding-left: 6px; }
.footer-about p { font-size: 13.5px; line-height: 2; }
.footer-bottom {
    background: #1E150A; text-align: center;
    padding: 16px 0; font-size: 13px; color: #A89A78;
    letter-spacing: 1px;
}
.footer-bottom a { color: var(--gold); }

/* ---------- 页面横幅（内页顶部） ---------- */
.page-banner {
    background: linear-gradient(135deg, rgba(139,115,85,0.88), rgba(90,70,50,0.92)), url('../images/banner-pattern.png');
    background-size: cover;
    color: #FFF8E7; text-align: center; padding: 70px 20px;
}
.page-banner h2 { font-size: 38px; letter-spacing: 10px; text-shadow: 0 2px 6px rgba(0,0,0,0.5); }
.page-banner p { margin-top: 10px; letter-spacing: 3px; color: var(--gold-light); font-size: 15px; }
.breadcrumb { margin-top: 14px; font-size: 13px; color: #D9CBA4; }
.breadcrumb a { color: var(--gold-light); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { margin: 0 8px; }

/* ---------- 页面通用 ---------- */
.page-section { padding: 50px 0; }
.panel {
    background: #FFFDF6; border: 1px solid #E8DDBB;
    border-radius: 4px; padding: 28px; margin-bottom: 28px;
    box-shadow: 0 2px 8px var(--shadow);
}
.panel h3 {
    font-size: 22px; color: var(--cinnabar); letter-spacing: 3px;
    padding-left: 14px; border-left: 4px solid var(--gold); margin-bottom: 16px;
}
.panel p { font-size: 14.5px; color: var(--ink-light); text-indent: 2em; margin-bottom: 10px; }
.panel p.no-indent { text-indent: 0; }

/* ---------- 表单 ---------- */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 700; color: var(--cinnabar); letter-spacing: 1px; }
.form-control {
    width: 100%; padding: 10px 14px;
    border: 1px solid #C9BA8F; border-radius: 3px;
    background: #FFFDF6; font-size: 15px; font-family: inherit;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.form-control:focus {
    outline: none; border-color: var(--cinnabar);
    box-shadow: 0 0 0 3px rgba(139,0,0,0.1);
}
textarea.form-control { resize: vertical; min-height: 110px; }
select.form-control { cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 12.5px; color: #9A8F6E; margin-top: 4px; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; background: #FFFDF6; font-size: 14px; }
.table th, .table td { padding: 11px 12px; border: 1px solid #E0D5B2; text-align: left; }
.table th { background: var(--cinnabar); color: #FFF8E7; letter-spacing: 2px; font-weight: 700; white-space: nowrap; }
.table tr:nth-child(even) { background: #FAF5E6; }
.table tr:hover { background: #F3EAD0; }

/* ---------- 徽章 ---------- */
.badge {
    display: inline-block; padding: 2px 10px; border-radius: 10px;
    font-size: 12px; letter-spacing: 1px;
}
.badge-red { background: rgba(139,0,0,0.12); color: var(--cinnabar); }
.badge-gold { background: rgba(218,165,32,0.15); color: #8A6A00; }
.badge-green { background: rgba(62,107,79,0.14); color: var(--jade); }

/* ---------- 弹窗提示 ---------- */
.alert {
    padding: 12px 18px; border-radius: 3px; margin-bottom: 16px;
    font-size: 14px; border: 1px solid;
}
.alert-success { background: #EDF5EC; border-color: #B5D5B0; color: #2D5A33; }
.alert-error { background: #FBEEEE; border-color: #E3B4B4; color: #8B1A1A; }
.alert-info { background: #F5F1E2; border-color: #D8C894; color: #6B5A1E; }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .nav-toggle { display: block; }
    .nav {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        background: #FFFDF6; flex-direction: column;
        border-top: 2px solid var(--gold); box-shadow: 0 6px 16px var(--shadow);
    }
    .nav.open { display: flex; }
    .nav > li { width: 100%; text-align: center; }
    .nav > li > a { padding: 14px; }
    .dropdown-menu { position: static; box-shadow: none; border: none; border-top: 1px dashed #E5D9B8; }
    .slider { height: 320px; }
    .slide-content h2 { font-size: 30px; letter-spacing: 6px; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .logo-text h1 { font-size: 18px; letter-spacing: 3px; }
    .logo-text p { font-size: 14px; letter-spacing: 2px; }
    .slider { height: 240px; }
    .slide-content h2 { font-size: 22px; }
    .slide-content p { font-size: 14px; }
    .section { padding: 40px 0; }
    .section-title .cn { font-size: 26px; }
    .page-banner { padding: 44px 16px; }
    .page-banner h2 { font-size: 26px; }
}