/* ==========================================================
   MODERN RESPONSIVE CANVAS SETUP (统一智学蓝调与严谨视觉比例)
   ========================================================== */
:root {
    /* --canvas-width: 1920px; */

    /* 杰程品牌高阶协调配色 */
    --brand-primary: #2563eb;       /* 皇家智学蓝 */
    --brand-primary-light: #eff6ff; /* 晶莹冰蓝 */
    --brand-cobalt: #1e3a8a;        /* 深海海军蓝 */
    --brand-navy-dark: #0f172a;     /* 极深黛蓝 */
    --brand-blue: #3b82f6;          /* 科技亮蓝 */

    /* 协调辅助色 (经过饱和度科学降低，确保页面雅致不刺眼) */
    --accent-teal: #0f766e;         /* 大学语文-雅致碧青 */
    --accent-teal-light: #f0fdfa;
    --accent-amber: #b45309;        /* 专业课-温暖秋金 */
    --accent-amber-light: #fffbeb;
    --accent-red: #be123c;          /* 政治核心-庄重朱红 */
    --accent-red-light: #fff1f2;

    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --border-crisp: #e2e8f0;
    --border-active: #2563eb;

    --text-title: #0f172a;
    --text-body: #334155;
    --text-muted: #64748b;

    --shadow-subtle: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
    --shadow-hover: 0 20px 25px -5px rgba(37, 99, 235, 0.1), 0 10px 10px -5px rgba(37, 99, 235, 0.04);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    min-height: 100vh;
    background: var(--bg-body);
    color: var(--text-body);
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
}

/* 统一大区标题设计 (已完美正中对齐，并增强层级感) */
.block-title-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 45px;
    position: relative;
}

.title-mark {
    width: 40px;
    height: 4px;
    background: var(--brand-primary);
    border-radius: 2px;
    margin-bottom: 12px;
}

.block-title-left {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.block-title-left h2 {
    font-size: 30px;
    font-weight: 800;
    color: var(--brand-navy-dark);
    letter-spacing: 1px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.block-title-left p {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 12px;
    max-width: 800px;
    line-height: 1.6;
}

/* 右侧定位性链接 - 优化高度与视觉匹配 */
.block-title-right {
    position: absolute;
    right: 0;
    bottom: 0;
    font-size: 12px;
    color: var(--brand-primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    border: 1px solid var(--border-crisp);
    background: var(--bg-card);
    padding: 6px 16px;
    border-radius: 20px;
    box-shadow: var(--shadow-subtle);
    transition: all 0.3s;
}

.block-title-right:hover {
    border-color: var(--brand-primary);
    background: var(--brand-primary-light);
    transform: translateY(-1px);
}

/* ==========================================================
   HEADER SECTION
   ========================================================== */
header {
    width: 100%;
    height: 90px;
    background: linear-gradient(to right, #0b1329, #1e293b);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 60px;  max-width: 1440px;
    width: 100%;
    margin: 0 auto;
}

.logo-wrapper {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 52px;
    width: auto;
    object-fit: contain;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 50px;
}

.nav-menu a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s;
}

.nav-menu a.active, .nav-menu a:hover {
    color: #ffffff;
    text-shadow: 0 0 12px rgba(255,255,255,0.25);
}

.auth-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn {
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.18);
    color: #cbd5e1;
    padding: 8px 30px;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: #ffffff;
    color: #ffffff;
}

.btn-brand {
    background: var(--brand-primary);
    color: white;
    padding: 9px 32px;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.35);
}

/* ==========================================================
   BANNER主大图展示 (高度: 450px)
   ========================================================== */
.hero-banner-outer {
    width: 100%;
    aspect-ratio: 1920 / 420;
    background: #020617;
    overflow: hidden;
    position: relative;
}

.hero-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
}

.hero-slide.is-active {
    opacity: 1;
    pointer-events: auto;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.3);
    border: none;
    color: #fff;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    z-index: 3;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.hero-arrow:hover {
    background: rgba(0, 0, 0, 0.6);
}

.hero-arrow-prev { left: 24px; }
.hero-arrow-next { right: 24px; }

.hero-slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-dot.is-active {
    background: #fff;
    width: 30px;
    border-radius: 5px;
}

/* ==========================================================
   1. 公共课学习中心 (5门统考核心课对称平铺区)
   ========================================================== */
.zsb-public-section {
    padding: 80px 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border-crisp);
}

.large-course-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 22px;
}

.large-course-card {
    background: #ffffff;
    border: 1px solid var(--border-crisp);
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-subtle);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    height: 430px;
    position: relative;
}

.large-course-card:hover {
    transform: translateY(-8px);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-hover);
}

.course-card-visual {
    height: 150px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.course-visual-logo {
    font-size: 52px;
    z-index: 2;
    filter: drop-shadow(0 8px 12px rgba(0,0,0,0.15));
    transform: scale(1);
    transition: transform 0.3s;
}

.large-course-card:hover .course-visual-logo {
    transform: scale(1.1);
}

.card-english .course-card-visual { background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%); }
.card-math .course-card-visual { background: linear-gradient(135deg, #1e293b 0%, #475569 100%); }
.card-chinese .course-card-visual { background: linear-gradient(135deg, #0f766e 0%, #0d9488 100%); }
.card-computer .course-card-visual { background: linear-gradient(135deg, #334155 0%, #64748b 100%); }
.card-policy .course-card-visual { background: linear-gradient(135deg, #be123c 0%, #fb7185 100%); }

.course-card-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    justify-content: space-between;
    flex-grow: 1;
}

.course-card-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
}

.course-lbl-main {
    font-size: 19px;
    font-weight: 800;
    color: var(--brand-navy-dark);
    margin-top: 4px;
}

.course-tag-badge {
    font-size: 12px;
    padding: 3px 12px;
    border-radius: 20px;
    font-weight: 600;
    display: inline-block;
    letter-spacing: 0.5px;
}

.card-english .course-tag-badge { background: var(--brand-primary-light); color: var(--brand-primary); }
.card-math .course-tag-badge { background: #f1f5f9; color: #475569; }
.card-chinese .course-tag-badge { background: var(--accent-teal-light); color: var(--accent-teal); }
.card-computer .course-tag-badge { background: #f1f1f1; color: #334155; border: 0px solid #cbd5e1; }
.card-policy .course-tag-badge { background: var(--accent-red-light); color: var(--accent-red); }

.course-brief-txt {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 15px;
}

.interactive-entry-panel-large {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: 100%;
}

/* 统一的按钮悬停切换样式（与专业课学习中心保持一致） */
.entry-action-btn {
    padding: 10px 0;
    font-size: 12px;
    font-weight: 700;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #ffffff;
    color: var(--text-body);
    border: 1px solid var(--border-crisp);
}

.entry-action-btn:hover {
    background: var(--brand-primary);
    color: #ffffff;
    border-color: var(--brand-primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* ==========================================================
   2. 专业课学习中心 (8门主流专业课对称平铺)
   ========================================================== */
.zsb-special-section {
    padding: 80px 0;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-crisp);
    border-top: 1px solid var(--border-crisp);
}

.special-course-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.special-mini-card {
    background: #ffffff;
    border: 1px solid var(--border-crisp);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    height: 165px;
    box-shadow: var(--shadow-subtle);
    text-align: center;
    gap: 16px;
}

.special-mini-card:hover {
    transform: translateY(-4px);
    border-color: var(--brand-primary);
    box-shadow: 0 12px 20px -5px rgba(37, 99, 235, 0.06);
}

.special-info-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.special-icon-ico {
    width: 48px;
    height: 48px;
    background: var(--brand-primary-light);
    color: var(--brand-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    transition: all 0.3s;
}

.special-mini-card:hover .special-icon-ico {
    background: var(--brand-primary);
    color: white;
    transform: scale(1.05);
}

.special-title-lbl {
    font-size: 16px;
    font-weight: 800;
    color: var(--brand-navy-dark);
}

.special-actions-right {
    display: flex;
    gap: 10px;
    width: 100%;
    justify-content: center;
}

.special-action-tiny {
    padding: 5px 16px;
    font-size: 12px;
    font-weight: 700;
    border-radius: 6px;
    border: 1px solid var(--border-crisp);
    text-decoration: none;
    color: var(--text-body);
    transition: all 0.2s;
    cursor: pointer;
    background: #ffffff;
}

.special-action-tiny:hover {
    background: var(--brand-primary);
    color: white;
    border-color: var(--brand-primary);
}

/* ==========================================================
   3. 历年考试真题
   ========================================================== */
.exam-types-section {
    padding: 80px 0;
    background: #f1f5f9;
    border-bottom: 1px solid var(--border-crisp);
}

.exam-stripe-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 28px;
}

.exam-stripe-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #ffffff;
    border: 1px solid var(--border-crisp);
    border-left: 4px solid #cbd5e1;
    border-radius: 12px;
    padding: 16px 28px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    box-shadow: var(--shadow-subtle);
    height: 74px;
}

.exam-stripe-item.active-stripe {
    border-left-color: var(--brand-primary);
    border-color: #bfdbfe;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.05);
}

.exam-stripe-item:hover {
    transform: translateX(6px);
    border-left-color: var(--brand-primary);
    border-color: #93c5fd;
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.06);
}

.stripe-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.stripe-icon-box {
    font-size: 20px;
    width: 40px;
    height: 40px;
    background: #f8fafc;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.exam-stripe-item:hover .stripe-icon-box {
    background: var(--brand-primary-light);
    transform: scale(1.05);
}

.stripe-title-lbl {
    font-size: 15px;
    font-weight: 800;
    color: var(--brand-navy-dark);
}

.stripe-status-tag {
    font-size: 12px;
    background: #f1f5f9;
    color: var(--text-muted);
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 700;
    margin-left: 10px;
    border: 1px solid rgba(0,0,0,0.03);
}

.exam-stripe-item:hover .stripe-status-tag {
    background: var(--brand-primary-light);
    color: var(--brand-primary);
}

.stripe-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.stripe-meta-txt {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.stripe-go-btn {
    font-size: 12px;
    color: var(--brand-primary);
    font-weight: 800;
    transition: color 0.3s;text-decoration: none;
}

.exam-stripe-item:hover .stripe-go-btn {
    color: var(--brand-cobalt);
}

/* ==========================================================
   4. 政策与资讯
   ========================================================== */
.policy-news-section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-crisp);
    background: #ffffff;
}

.policy-layout-grid {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 30px;
}

.policy-focus-sidebar {
    background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
    border-radius: 18px;
    padding: 35px;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 12px 30px rgba(30, 58, 138, 0.15);
}

.policy-focus-tag {
    background: var(--brand-primary);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    align-self: flex-start;
}

.policy-focus-title {
    font-size: 22px;
    font-weight: 800;
    line-height: 1.5;
    margin-bottom: 15px;
}

.policy-news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.policy-news-card {
    background: var(--bg-body);
    border: 1px solid var(--border-crisp);
    border-radius: 14px;
    padding: 18px 22px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 135px;
    transition: all 0.3s;
    box-shadow: var(--shadow-subtle);
}

.policy-news-card:hover {
    border-color: var(--brand-primary);
    background: #ffffff;
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.policy-top-row {
    display: flex;
    gap: 16px;
    align-items: center;
}

.date-badge {
    width: 64px;
    flex-shrink: 0;
    background: #ffffff;
    border: 1px solid var(--border-crisp);
    border-radius: 10px;
    overflow: hidden;
    text-align: center;
}

.date-badge-top {
    font-size: 12px;
    color: var(--text-muted);
    padding: 5px 0;
    font-weight: bold;
    background: #f1f5f9;
}

.date-badge-day {
    background: var(--brand-primary);
    color: white;
    font-size: 16px;
    font-weight: bold;
    padding: 3px 0;
}

.policy-title-text {
    font-size: 15px;
    font-weight: 800;
    line-height: 1.4;
    color: var(--brand-navy-dark);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.policy-body-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-top: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.policy-more-link {
    font-size: 11px;
    color: var(--text-muted);
    align-self: flex-end;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.policy-news-card:hover .policy-more-link {
    color: var(--brand-primary);
    font-weight: 700;
}

/* ==========================================================
   5. 教研团队 - 精选5人尊享大头像卡片排版
   ========================================================== */
.faculty-section {
    padding: 80px 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border-crisp);
}

.faculty-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 28px;
}

.teacher-node-card {
    background: var(--bg-body);
    border: 1px solid var(--border-crisp);
    border-radius: 18px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 35px 20px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    height: 310px;
    justify-content: flex-start;
    box-shadow: var(--shadow-subtle);
}

.teacher-node-card:hover {
    transform: translateY(-6px);
    border-color: var(--brand-primary);
    background: var(--bg-card);
    box-shadow: var(--shadow-hover);
}

.teacher-photo-canvas {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: radial-gradient(circle at center, #eff6ff 0%, #dbeafe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border: 4px solid #ffffff;
    box-shadow: 0 6px 14px rgba(37, 99, 235, 0.12);
    flex-shrink: 0;
    transition: transform 0.3s;
    overflow: hidden;
}

.teacher-photo-canvas img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.teacher-node-card:hover .teacher-photo-canvas {
    transform: scale(1.06);
}

.photo-silhouette {
    font-size: 28px;
    font-weight: 900;
    color: var(--brand-primary);
}

.teacher-info-panel h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--brand-navy-dark);
    margin-bottom: 12px;
}

.teacher-info-panel p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 4.8em;
    text-align: center;
    max-width: 220px;
    margin: 0 auto;
}

/* ==========================================================
   6. 备考文库 - 支持且精准适配2-3行，2行（6卡）的立体矩阵排版
   ========================================================== */
.doc-library {
    padding: 60px 0;
    background: #f1f5f9;
    border-top: 1px solid var(--border-crisp);
    border-bottom: 1px solid var(--border-crisp);
}

.doc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    row-gap: 24px;
    column-gap: 24px;
}

.doc-card {
    background: var(--bg-card);
    border: 1px solid var(--border-crisp);
    border-radius: 16px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-subtle);
    transition: all 0.3s;
    min-height: 102px;
    height: auto;
}

.doc-card:hover {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-hover);
}

.doc-meta-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-grow: 1;
    margin-right: 12px;
}

.doc-icon {
    width: 48px;
    height: 48px;
    background: var(--brand-primary-light);
    border: 1px solid #bfdbfe;
    color: var(--brand-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 12px;
    flex-shrink: 0;
}

.doc-title-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--brand-navy-dark);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.doc-download-btn {
    background: var(--brand-primary-light);
    border: 1px solid rgba(37, 99, 235, 0.2);
    color: var(--brand-primary);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    flex-shrink: 0;
}

.doc-download-btn:hover {
    background: var(--brand-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* ==========================================================
   FOOTER SECTION
   ========================================================== */
footer {
    min-height: 280px;
    background: #0f172a;
    border-top: 1px solid var(--border-crisp);
    padding-top: 50px;
    color: #94a3b8;
}

.footer-columns {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 35px;
}

.footer-brand-side {
    width: 35%;
}

.footer-brand-logo {
    height: 44px;
    width: auto;
    margin-bottom: 12px;
    object-fit: contain;
}

.footer-desc {
    font-size: 13px;
    color: #64748b;
    line-height: 1.6;
}

.footer-contacts-mid {
    width: 35%;
}

.footer-sections-title {
    font-size: 16px;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.footer-contacts-list {
    list-style: none;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: #cbd5e1;
    margin-bottom: 12px;
}

.contact-icon {
    color: var(--brand-primary);
    font-size: 16px;
    font-weight: bold;
}

.footer-qrcode-right {
    width: 20%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-placeholder-box {
    width: 96px;
    height: 96px;
    background: rgba(255, 255, 255, 0.03);
    border: 2px dashed rgba(37, 99, 235, 0.4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.15);
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.25);
    font-size: 20px;
    font-weight: bold;
}

.qr-tagline {
    font-size: 11px;
    color: #64748b;
    text-align: center;
    letter-spacing: 0.5px;
}

.footer-copyright-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 18px 0;
    text-align: center;
    font-size: 12px;
    color: #64748b;
    letter-spacing: 0.5px;
}

/* 专业课图标配色修饰类（抽离内联样式） */
.special-icon-ico--blue { background: #eff6ff; color: #2563eb; }
.special-icon-ico--purple { background: #faf5ff; color: #7c3aed; }
.special-icon-ico--green { background: #ecfdf5; color: #059669; }
.special-icon-ico--amber { background: #fffbeb; color: #d97706; }
.special-icon-ico--teal { background: #f0fdf4; color: #0d9488; }
.special-icon-ico--sky { background: #eff6ff; color: #3b82f6; }
.special-icon-ico--gold { background: #fff9db; color: #f0a020; }
.special-icon-ico--slate { background: #f1f5f9; color: #475569; }

/* 文档图标配色修饰类（抽离内联样式） */
.doc-icon--teal { background: #f0fdf4; border-color: #bbf7d0; color: #0d9488; }
.doc-icon--slate { background: #f1f5f9; border-color: #cbd5e1; color: #334155; }
.doc-icon--blue { background: #eff6ff; border-color: #bfdbfe; color: #2563eb; }

/* 真题条目图标颜色修饰类（抽离内联样式） */
.stripe-icon-box--blue { color: #2563eb; }
.stripe-icon-box--purple { color: #7c3aed; }
.stripe-icon-box--green { color: #059669; }
.stripe-icon-box--amber { color: #d97706; }

/* 政策模块抽离样式 */
.policy-focus-label { font-size: 12px; opacity: 0.75; margin-bottom: 6px; }
.policy-focus-desc { font-size: 12px; opacity: 0.7; }
.policy-title-wrap { flex-grow: 1; }

/* 文档模块抽离样式 */
.doc-section-title { margin-bottom: 20px; }

/* Footer 抽离样式 */
.footer-brand-side-left { text-align: left; }
.footer-desc-mt { margin-top: 8px; }
.footer-contacts-mid-left { text-align: left; padding-left: 30px; }
.qr-tagline-muted { color: #64748b; }

/* ==========================================================
   响应式自适应 (Responsive Breakpoints)
   ========================================================== */
@media (max-width: 1200px) {
    .container { padding: 0 32px; }
    .large-course-grid { grid-template-columns: repeat(3, 1fr); }
    .special-course-grid { grid-template-columns: repeat(3, 1fr); }
    .faculty-grid { grid-template-columns: repeat(3, 1fr); }
    .policy-layout-grid { grid-template-columns: 320px 1fr; gap: 24px; }
    .nav-menu ul { gap: 30px; }
    .nav-menu a { font-size: 15px; }
}

@media (max-width: 992px) {
    .header-content { padding: 0 32px; }
    .large-course-grid { grid-template-columns: repeat(2, 1fr); }
    .special-course-grid { grid-template-columns: repeat(2, 1fr); }
    .exam-stripe-list { grid-template-columns: 1fr; }
    .policy-layout-grid { grid-template-columns: 1fr; }
    .policy-focus-sidebar { padding: 28px; }
    .faculty-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-columns { flex-direction: column; gap: 30px; }
    .footer-brand-side, .footer-contacts-mid, .footer-qrcode-right { width: 100%; }
    .footer-contacts-mid { padding-left: 0; }
    .footer-qrcode-right { align-items: flex-start; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .header-content { padding: 0 20px; flex-wrap: wrap; gap: 12px; height: auto; padding-top: 12px; padding-bottom: 12px; }
    header { height: auto; position: relative; }
    .nav-menu ul { gap: 16px; flex-wrap: wrap; justify-content: center; }
    .nav-menu a { font-size: 14px; }
    .auth-actions { gap: 12px; }
    .btn-outline { padding: 6px 20px; }
    .btn-brand { padding: 7px 22px; }
    .hero-banner-outer { aspect-ratio: 1920 / 420; }
    .zsb-public-section, .zsb-special-section, .exam-types-section,
    .policy-news-section, .faculty-section, .doc-library { padding: 48px 0; }
    .block-title-left h2 { font-size: 24px; }
    .block-title-left p { font-size: 13px; }
    .large-course-grid { grid-template-columns: 1fr; }
    .large-course-card { height: auto; }
    .special-course-grid { grid-template-columns: repeat(2, 1fr); }
    .faculty-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .teacher-node-card { height: auto; padding: 24px 16px; }
    .doc-grid { grid-template-columns: 1fr; }
    .doc-card { flex-direction: column; align-items: flex-start; gap: 12px; }
    .doc-download-btn { align-self: stretch; text-align: center; }
}

@media (max-width: 480px) {
    .special-course-grid { grid-template-columns: 1fr; }
    .faculty-grid { grid-template-columns: 1fr; }
    .exam-stripe-item { flex-direction: column; align-items: flex-start; gap: 10px; height: auto; padding: 14px 18px; }
    .stripe-right { width: 100%; justify-content: space-between; }
    .block-title-right { position: static; margin-top: 12px; align-self: center; }
    .block-title-box { margin-bottom: 30px; }
}