/* ==========================================================
   图书文献页 library.css
   - 继承 :root 变量（home.css 全局）
   ========================================================== */

/* ============ Hero ============ */
.iti-lib-hero {
    position: relative;
    background: var(--iti-bg);
    overflow: hidden;
    padding: 24px 0 64px;
}

.iti-lib-hero-deco-left,
.iti-lib-hero-deco-right {
    position: absolute;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.iti-lib-hero-deco-left {
    left: 0;
    width: 160px;
    height: 64px;
    background:
        linear-gradient(135deg, transparent 50%, #0F1F3D 50%) 0 0/50% 100% no-repeat,
        linear-gradient(45deg,  #0F1F3D 50%, transparent 50%) 100% 0/50% 100% no-repeat,
        var(--iti-primary);
    clip-path: polygon(0 0, 100% 100%, 0 100%);
    opacity: 0.95;
}

.iti-lib-hero-deco-right {
    right: 0;
    width: 130px;
    height: 48px;
    background: var(--iti-yellow);
    clip-path: polygon(100% 0, 0 100%, 100% 100%);
    opacity: 0.95;
}

.iti-lib-hero-inner {
    position: relative;
    z-index: 1;
}

.iti-breadcrumb--inverse {
    padding: 0 0 24px;
    font-size: 13px;
    color: var(--iti-text-light);
}

.iti-lib-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 32px;
    align-items: center;
    min-height: 320px;
}
.iti-hero-image-library{

}

.iti-lib-hero-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--iti-navy);
    line-height: 1.2;
    margin: 0 0 18px;
    max-width: 460px;
}

.iti-lib-hero-desc {
    font-size: 16px;
    color: var(--iti-text-light);
    margin: 0;
    max-width: 460px;
}

.iti-lib-hero-image {
    position: relative;
    height: 340px;
    border-radius: var(--iti-radius-lg);
    overflow: hidden;
    background: linear-gradient(135deg, var(--iti-bg-soft), var(--iti-bg-soft-2));
}

.iti-lib-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ============ 介绍区 + 3 张卡片 ============ */
.iti-lib-intro {
    position: relative;
    background: url(/assets/images/library/sekuai.png);
    background-size: 25%;
    background-repeat: no-repeat;
    background-position: right  bottom;
    padding: 56px 0 64px;
    overflow: hidden;
}

.iti-lib-intro-deco {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 220px;
    height: 80px;
    background: #00599b;
    clip-path: polygon(0% 100%, 100% 0%, 100% 100%);
    opacity: 0.8;
}
.iti-lib-intro-deco1 {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 70px;
    height: 160px;
    background: #d2da16;
    clip-path: polygon(0% 100%, 100% 0%, 100% 100%);
    opacity: 0.8;
}

.iti-lib-intro-inner {
    text-align: center;
    position: relative;
    z-index: 1;
}

.iti-lib-section-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--iti-navy);
    margin: 0 0 16px;
}

.iti-lib-section-desc {
    font-size: 14px;
    margin: 0 auto 36px;
    max-width: 760px;
    line-height: 1.8;
}

.iti-lib-intro-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 160px;
    margin-top: 18px;
}

.iti-lib-intro-card {
    background: var(--iti-bg-soft);
    border-radius: var(--iti-radius-lg);
    padding: 28px 20px;
    text-align: center;
    transition: transform var(--iti-transition), box-shadow var(--iti-transition);
}

/* .iti-lib-intro-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--iti-shadow-md);
} */

.iti-lib-intro-card--primary { background: var(--iti-primary); }
.iti-lib-intro-card--yellow  { background: var(--iti-yellow); }
.iti-lib-intro-card--soft    { background: var(--iti-bg-soft-2); }

.iti-lib-intro-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    border-radius: var(--iti-radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}


.iti-lib-intro-icon img {
    height: 50px;
}

.iti-lib-intro-card--soft .iti-lib-intro-icon { color: var(--iti-primary); }

.iti-lib-intro-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
}

/* ============ ITI 治疗指南系列 ============ */
.iti-lib-section {
    padding: 56px 0;
}

.iti-lib-section--soft {
    background: var(--iti-bg-soft);
}

.iti-lib-section-head {
    margin-bottom: 28px;
}

.iti-lib-section-head .iti-lib-section-title {
    text-align: left;
    margin: 0;
    font-size: 22px;
}

.iti-lib-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 80px;
}

.iti-lib-card {
    background: #fff;
    border-radius: var(--iti-radius-lg);
    overflow: hidden;
    box-shadow: var(--iti-shadow);
    transition: transform var(--iti-transition), box-shadow var(--iti-transition);
    display: flex;
    flex-direction: column;
}

.iti-lib-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--iti-shadow-md);
}

.iti-lib-card-cover {
    position: relative;
    height: 200px;
    background: #d4d7da;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.iti-lib-card-cover img {
    height: 180px;
    object-fit: contain;
    display: block;
    /* filter: drop-shadow(0 4px 12px rgba(15, 31, 61, 0.12)); */
}

.iti-lib-card-body {
    padding: 18px 20px 22px;
}
.iti-lib-card-body div {
    display: flex;
    justify-content: space-between;
    border-bottom: 2px solid #e5e7e9; 
    padding-bottom: 10px;
}

.iti-lib-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--iti-navy);
    margin: 0;
    line-height: 1.4;
}

.iti-lib-card-subtitle {
    font-size: 13px;
    margin: 10px 0 0;
}

.iti-lib-card .iti-btn {
    align-self: flex-start;
    margin-top: auto;
}

/* ============ 已读完/阅读中 角标 ============ */
.iti-lib-card-cover {
    position: relative;
}

.iti-lib-card-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 30px;
    height: 30px;
    background: var(--iti-primary);
    color: #fff;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 800;
    box-shadow: 0 2px 6px rgba(15, 31, 61, 0.25);
    line-height: 1;
    padding: 0;
}

.iti-lib-card-badge svg {
    width: 16px;
    height: 16px;
    display: block;
}

.iti-lib-card-badge--progress {
    background: rgba(15, 31, 61, 0.85);
    width: auto;
    height: 26px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 11px;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.3px;
}

/* 完成态：封面略灰、卡片描青边 */
.iti-lib-card.is-completed .iti-lib-card-cover img {
    filter: saturate(0.7) brightness(0.95);
}
.iti-lib-card.is-completed {
    border-color: var(--iti-primary);
    box-shadow: 0 4px 16px rgba(26, 181, 181, 0.15);
}

/* ============ 卡片内进度条 ============ */
.iti-lib-card-progress {
    height: 6px;
    background: var(--iti-bg-soft-2, #EEF1F4);
    border-radius: 999px;
    overflow: hidden;
    margin: 4px 0 0;
}
.iti-lib-card-progress-fill {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--iti-primary) 0%, #0E8A8A 100%);
    border-radius: 999px;
    transition: width .3s ease;
}

/* ============ CTA ============ */
.iti-lib-cta {
    background: url(/assets/images/library/cta-bg.png) no-repeat center;
    padding: 28px 0;
    text-align: center;
    
}

.iti-lib-cta-title {
    font-size: 28px;
    font-weight: 800;
    color: #000;
    margin: 0 0 4px;
}

.iti-lib-cta-desc {
    font-size: 14px;
    color: var(--iti-primary);
    margin: 0 0 12px;
}

/* CTA 按钮完全沿用全局主按钮样式（默认主青色 + 悬停加深 #02569B + 上浮）。
   注意：这里不要重写 background —— .iti-lib-cta .iti-btn-primary 与
   全局 .iti-btn-primary:hover 特异性相同（0-2-0），而本文件在 home.css 之后加载，
   一旦声明 background 就会盖掉全局悬停色，导致悬停不变色。 */

/* ============ 按钮微调 ============ */
.iti-btn-pill { border-radius: 999px; }
.iti-btn-sm   { padding: 6px 18px; font-size: 13px; }
.iti-btn-lg   { padding: 12px 36px; font-size: 16px; }

/* ============ 响应式 ============ */
@media (max-width: 1023px) {
    .iti-lib-hero { padding: 16px 0 40px; }
    .iti-lib-hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .iti-lib-hero-title { font-size: 28px; margin: 0 auto 16px; }
    .iti-lib-hero-desc  { margin: 0 auto; }
    .iti-lib-hero-image { height: 220px; order: -1; }
    .iti-lib-hero-deco-left,
    .iti-lib-hero-deco-right { display: none; }

    .iti-lib-intro-cards { grid-template-columns: 1fr; }
    .iti-lib-section { padding: 40px 0; }
    .iti-lib-grid { grid-template-columns: repeat(2, 1fr); }
    .iti-lib-section-head .iti-lib-section-title { font-size: 18px; }
    .iti-lib-cta-title { font-size: 22px; }
}

@media (min-width: 1024px) and (max-width: 1199px) {
    .iti-lib-hero-grid { grid-template-columns: 1fr 1fr; }
}