/* ==========================================================================
   XI源码 · 设计系统（base.css）
   覆盖 RiPro 父主题 Bootstrap 视觉层。只改视觉属性，不动布局属性，
   避免破坏 modal / dropdown / toast 等依赖 Bootstrap 的交互组件。
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root {
    --ripc-primary: #ff5c1a;
    --ripc-primary-600: #e84f10;
    --ripc-primary-50: #fff3ed;
    --ripc-ink: #101828;
    --ripc-ink-2: #344054;
    --ripc-ink-3: #667085;
    --ripc-ink-4: #98a2b3;
    --ripc-line: #eaecf0;
    --ripc-line-2: #f2f4f7;
    --ripc-bg: #ffffff;
    --ripc-bg-soft: #f9fafb;
    --ripc-bg-warm: #fff8f4;
    --ripc-radius-lg: 20px;
    --ripc-radius: 14px;
    --ripc-radius-sm: 9px;
    --ripc-shadow-xs: 0 1px 2px rgba(16, 24, 40, .05);
    --ripc-shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 12px 28px -8px rgba(16, 24, 40, .1);
    --ripc-shadow-lg: 0 8px 16px -4px rgba(16, 24, 40, .08), 0 24px 48px -12px rgba(16, 24, 40, .16);
    --ripc-shadow-primary: 0 8px 24px -6px rgba(255, 92, 26, .38);
    --ripc-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --ripc-container: 1200px;
    --ripc-ease: cubic-bezier(.32, .72, 0, 1);
}

/* ---------- 2. 全局排版 ---------- */
html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--ripc-font);
    color: var(--ripc-ink);
    background-color: var(--ripc-bg);
    font-size: 15px;
    line-height: 1.7;
    letter-spacing: .01em;
    overflow-x: hidden;
}

@media (max-width: 767px) {
    body {
        overflow-x: hidden;
    }
    img,
    table,
    pre {
        max-width: 100%;
    }
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--ripc-font);
    color: var(--ripc-ink);
    font-weight: 700;
    letter-spacing: -.02em;
    line-height: 1.3;
}

a {
    color: var(--ripc-ink);
    text-decoration: none;
    transition: color .18s var(--ripc-ease);
}

a:hover {
    color: var(--ripc-primary);
}

::selection {
    background: var(--ripc-primary);
    color: #fff;
}

/* ---------- 3. 容器 ---------- */
.container {
    max-width: var(--ripc-container);
    padding-left: 20px;
    padding-right: 20px;
}

@media (min-width: 1400px) {
    .container {
        max-width: 1280px;
    }
}

/* ---------- 4. 按钮 ---------- */
.btn {
    border-radius: var(--ripc-radius-sm);
    font-weight: 600;
    font-size: 14px;
    padding: .6rem 1.25rem;
    transition: all .2s var(--ripc-ease);
    border-width: 1px;
    letter-spacing: .01em;
}

.btn-primary,
.btn-primary:focus,
.btn-primary:active,
.btn-primary.active,
.btn-primary:disabled {
    background: linear-gradient(135deg, #ff7a3d, var(--ripc-primary)) !important;
    border-color: transparent !important;
    color: #fff !important;
    box-shadow: var(--ripc-shadow-primary);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ff6a26, var(--ripc-primary-600)) !important;
    border-color: transparent !important;
    color: #fff !important;
    transform: translateY(-1px);
}

.btn-outline-primary {
    background: transparent !important;
    border: 1px solid var(--ripc-line) !important;
    color: var(--ripc-ink-2) !important;
    box-shadow: none;
}

.btn-outline-primary:hover {
    background: var(--ripc-primary-50) !important;
    border-color: var(--ripc-primary) !important;
    color: var(--ripc-primary) !important;
}

.btn-danger {
    background: linear-gradient(135deg, #ff7a3d, var(--ripc-primary)) !important;
    border-color: transparent !important;
    color: #fff !important;
    box-shadow: var(--ripc-shadow-primary);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #ff6a26, var(--ripc-primary-600)) !important;
    color: #fff !important;
}

.btn-dark {
    --bs-btn-bg: var(--ripc-ink);
    --bs-btn-border-color: var(--ripc-ink);
    --bs-btn-hover-bg: #000;
    --bs-btn-hover-border-color: #000;
    --bs-btn-active-bg: #000;
}

.btn-light {
    --bs-btn-bg: var(--ripc-bg-soft);
    --bs-btn-border-color: var(--ripc-line);
    --bs-btn-color: var(--ripc-ink-2);
    --bs-btn-hover-bg: var(--ripc-line);
}

.btn-lg {
    padding: .85rem 1.9rem;
    font-size: 15px;
    border-radius: 12px;
}

.btn-sm {
    padding: .38rem .85rem;
    font-size: 13px;
    border-radius: 8px;
}

.btn-round {
    border-radius: 999px;
}

/* ---------- 5. 卡片 ---------- */
.card {
    --bs-card-border-color: var(--ripc-line);
    --bs-card-border-radius: var(--ripc-radius);
    --bs-card-inner-border-radius: calc(var(--ripc-radius) - 1px);
    background: var(--ripc-bg);
    border: 1px solid var(--ripc-line);
    border-radius: var(--ripc-radius);
    box-shadow: var(--ripc-shadow-xs);
}

.card-header,
.card-footer {
    background: transparent;
    border-color: var(--ripc-line-2);
    padding: 1rem 1.25rem;
}

/* ---------- 6. 表单 ---------- */
.form-control,
.form-select {
    border-radius: var(--ripc-radius-sm);
    border: 1px solid var(--ripc-line);
    background: var(--ripc-bg-soft);
    padding: .62rem .9rem;
    font-size: 14px;
    color: var(--ripc-ink);
    transition: all .18s var(--ripc-ease);
}

.form-control:focus,
.form-select:focus {
    background: #fff;
    border-color: var(--ripc-primary);
    box-shadow: 0 0 0 3px rgba(255, 92, 26, .12);
    color: var(--ripc-ink);
}

.form-control::placeholder {
    color: var(--ripc-ink-4);
}

/* ---------- 7. 徽章 ---------- */
.badge {
    font-weight: 600;
    border-radius: 6px;
    padding: .35em .6em;
    font-size: 11px;
    letter-spacing: .02em;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #ffb020, #ff8a00) !important;
    color: #fff;
}

.badge.bg-dark {
    background: var(--ripc-ink) !important;
}

/* ---------- 8. 通用间距与分隔 ---------- */
hr {
    border-color: var(--ripc-line);
    opacity: 1;
}

.text-primary {
    color: var(--ripc-primary) !important;
}

.bg-primary {
    background-color: var(--ripc-primary) !important;
}

/* ---------- 9. 区块标题（uctheme 风格） ---------- */
.ripc-section {
    padding: 64px 0;
}

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

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

.ripc-sec-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.ripc-sec-head__l {
    max-width: 640px;
}

.ripc-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ripc-primary);
    margin-bottom: 10px;
}

.ripc-eyebrow::before {
    content: "";
    width: 18px;
    height: 2px;
    background: var(--ripc-primary);
    border-radius: 2px;
}

.ripc-sec-title {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -.03em;
    margin: 0 0 8px;
    color: var(--ripc-ink);
}

@media (max-width: 767px) {
    .ripc-sec-title {
        font-size: 23px;
    }
    .ripc-section {
        padding: 44px 0;
    }
}

.ripc-sec-title em {
    font-style: italic;
    color: var(--ripc-primary);
}

.ripc-sec-sub {
    font-size: 14px;
    color: var(--ripc-ink-3);
    margin: 0;
}

.ripc-sec-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--ripc-ink-2);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.ripc-sec-more:hover {
    color: var(--ripc-primary);
    gap: 10px;
}

.ripc-sec-more i {
    transition: transform .2s var(--ripc-ease);
}

/* ---------- 10. 滚动条 ---------- */
::-webkit-scrollbar {
    width: 9px;
    height: 9px;
}

::-webkit-scrollbar-thumb {
    background: #d5d9e0;
    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    background: #b9bfc9;
}

::-webkit-scrollbar-track {
    background: transparent;
}

/* ---------- 11. 资源卡片（通用组件） ---------- */
.ripc-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #fff;
    border: 1px solid var(--ripc-line);
    border-radius: var(--ripc-radius);
    overflow: hidden;
    transition: transform .26s var(--ripc-ease), box-shadow .26s var(--ripc-ease), border-color .26s var(--ripc-ease);
}

.ripc-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 92, 26, .3);
    box-shadow: var(--ripc-shadow-lg);
    color: inherit;
}

.ripc-card__media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(135deg, #f4f6f9, #eaedf2);
}

.ripc-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .55s var(--ripc-ease);
}

.ripc-card:hover .ripc-card__media img {
    transform: scale(1.06);
}

.ripc-card__ph {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 122, 61, .32);
    font-size: 46px;
    background:
        radial-gradient(120% 120% at 0% 0%, #fff3ed 0%, transparent 55%),
        radial-gradient(120% 120% at 100% 100%, #eef1f6 0%, transparent 60%),
        linear-gradient(135deg, #fbfcfe, #f3f5f9);
}

.ripc-card__badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    border-radius: 7px;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #ff9b4d, var(--ripc-primary));
    box-shadow: 0 4px 10px -2px rgba(255, 92, 26, .5);
    letter-spacing: .02em;
}

.ripc-card__badge.is-free {
    background: linear-gradient(135deg, #34d399, #10b981);
    box-shadow: 0 4px 10px -2px rgba(16, 185, 129, .45);
}

.ripc-card__body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    padding: 15px 17px 17px;
}

.ripc-card__cat {
    font-size: 11.5px;
    font-weight: 700;
    color: var(--ripc-primary);
    letter-spacing: .02em;
    margin-bottom: 7px;
}

.ripc-card__title {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--ripc-ink);
    margin: 0 0 10px;
    letter-spacing: -.01em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 45px;
}

.ripc-card:hover .ripc-card__title {
    color: var(--ripc-primary);
}

.ripc-card__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 11.5px;
    color: var(--ripc-ink-4);
    flex-wrap: wrap;
}

.ripc-card__meta .ripc-ver {
    padding: 2px 7px;
    border-radius: 5px;
    background: var(--ripc-bg-soft);
    color: var(--ripc-ink-3);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.ripc-card__meta .ripc-views i {
    margin-right: 4px;
}

.ripc-card__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 13px;
    border-top: 1px dashed var(--ripc-line);
}

.ripc-price {
    font-size: 19px;
    font-weight: 800;
    color: var(--ripc-primary);
    letter-spacing: -.03em;
    line-height: 1;
    display: inline-flex;
    align-items: baseline;
    gap: 1px;
}

.ripc-price em {
    font-style: normal;
    font-size: 12px;
    font-weight: 700;
    margin-right: 1px;
}

.ripc-price.is-free {
    font-size: 13px;
    font-weight: 700;
    color: #10b981;
    letter-spacing: 0;
}

.ripc-card__btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--ripc-ink-3);
    transition: all .2s var(--ripc-ease);
}

.ripc-card__btn i {
    font-size: 10px;
    transition: transform .2s var(--ripc-ease);
}

.ripc-card:hover .ripc-card__btn {
    color: var(--ripc-primary);
}

.ripc-card:hover .ripc-card__btn i {
    transform: translateX(3px);
}