/* 备赛专题 /practice/info — 对齐站内 GESP / 战记视觉语言 */
:root {
    --prac-bg: #f5f7fb;
    --prac-surface: #ffffff;
    --prac-text: #1f2329;
    --prac-text-2: #646a73;
    --prac-text-3: #8f959e;
    --prac-line: #eef0f3;
    --prac-primary: #1677ff;
    --prac-primary-soft: #e8f3ff;
    --prac-primary-hover: #0f66e0;
    --prac-radius: 14px;
    --prac-shadow: 0 1px 2px rgba(31, 35, 41, 0.04), 0 10px 28px rgba(31, 35, 41, 0.06);
}

body:has(.practice-wrap) {
    background: var(--prac-bg);
}

.practice-wrap {
    min-height: calc(100vh - 120px);
    padding-bottom: 56px;
    background:
        radial-gradient(1100px 280px at 16% -60px, rgba(22, 119, 255, 0.10), transparent 58%),
        radial-gradient(900px 240px at 94% 0, rgba(14, 165, 233, 0.07), transparent 55%),
        var(--prac-bg);
}

.practice-page {
    max-width: 1250px;
    margin: 0 auto;
    padding: 24px 16px 0;
    color: var(--prac-text);
}

/* —— Hero —— */
.practice-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
    gap: 20px;
    align-items: stretch;
    margin-bottom: 18px;
    padding: 28px 28px 26px;
    border-radius: calc(var(--prac-radius) + 4px);
    background: var(--prac-surface);
    border: 1px solid rgba(22, 119, 255, 0.08);
    box-shadow: var(--prac-shadow);
    overflow: hidden;
}

.practice-hero.has-cover {
    color: #fff;
    border: 0;
    min-height: 280px;
}

.practice-hero-bg,
.practice-hero-shade {
    position: absolute;
    inset: 0;
}

.practice-hero-bg {
    background: #0f172a center/cover no-repeat;
    transform: scale(1.02);
}

.practice-hero-shade {
    background:
        linear-gradient(105deg, rgba(8, 18, 38, 0.88) 0%, rgba(8, 18, 38, 0.72) 48%, rgba(8, 18, 38, 0.45) 100%),
        linear-gradient(180deg, transparent 40%, rgba(8, 18, 38, 0.55) 100%);
}

.practice-hero-copy,
.practice-countdown {
    position: relative;
    z-index: 1;
}

.practice-eyebrow {
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--prac-primary);
}

.practice-hero.has-cover .practice-eyebrow {
    color: #91c3ff;
}

.practice-title {
    margin: 0 0 12px;
    font-size: 36px;
    font-weight: 450;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.practice-desc {
    margin: 0;
    max-width: 640px;
    font-size: 16px;
    line-height: 1.7;
    color: var(--prac-text-2);
}

.practice-hero.has-cover .practice-desc {
    color: rgba(255, 255, 255, 0.86);
}

.practice-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.practice-meta span {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 12px;
    line-height: 1.3;
    color: #334155;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(22, 119, 255, 0.12);
}

.practice-hero.has-cover .practice-meta span {
    color: rgba(255, 255, 255, 0.92);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(6px);
}

.practice-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.practice-btn {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    min-width: 148px;
    padding: 12px 16px;
    border-radius: 12px;
    text-decoration: none !important;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.practice-btn strong {
    font-size: 15px;
    font-weight: 450;
    line-height: 1.2;
}

.practice-btn em {
    margin-top: 4px;
    font-style: normal;
    font-size: 12px;
    opacity: 0.78;
}

.practice-btn-primary {
    color: #fff !important;
    background: linear-gradient(135deg, #1677ff, #0f66e0);
    box-shadow: 0 8px 20px rgba(22, 119, 255, 0.28);
}

.practice-btn-primary:hover {
    transform: translateY(-1px);
    color: #fff !important;
}

.practice-btn-ghost {
    color: var(--prac-text) !important;
    background: #fff;
    border: 1px solid #e5eaf2;
}

.practice-hero.has-cover .practice-btn-ghost {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.22);
}

.practice-btn-ghost:hover {
    border-color: rgba(22, 119, 255, 0.35);
    background: var(--prac-primary-soft);
    color: var(--prac-primary-hover) !important;
}

.practice-hero.has-cover .practice-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff !important;
}

.practice-countdown {
    align-self: center;
    padding: 20px 18px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(22, 119, 255, 0.1);
    box-shadow: var(--prac-shadow);
    text-align: center;
    color: var(--prac-text);
}

.practice-hero.has-cover .practice-countdown {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    backdrop-filter: blur(10px);
}

.practice-countdown-label {
    margin: 0 0 8px;
    font-size: 12px;
    letter-spacing: 0.06em;
    color: var(--prac-text-3);
}

.practice-hero.has-cover .practice-countdown-label {
    color: rgba(255, 255, 255, 0.72);
}

.practice-countdown-name {
    margin: 0 0 6px;
    font-size: 15px;
    font-weight: 450;
    line-height: 1.35;
}

.practice-countdown-date {
    margin: 0 0 14px;
    font-size: 13px;
    color: var(--prac-text-2);
}

.practice-hero.has-cover .practice-countdown-date {
    color: rgba(255, 255, 255, 0.8);
}

.practice-countdown-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
}

.practice-countdown-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 58px;
    padding: 8px 4px 6px;
    border-radius: 12px;
    background: var(--prac-primary-soft);
}

.practice-hero.has-cover .practice-countdown-cell {
    background: rgba(22, 119, 255, 0.28);
}

.practice-countdown-num {
    font-size: 22px;
    font-weight: 750;
    letter-spacing: -0.03em;
    color: var(--prac-primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.practice-hero.has-cover .practice-countdown-num {
    color: #fff;
}

.practice-countdown-unit {
    margin-top: 4px;
    font-size: 11px;
    color: var(--prac-text-2);
}

.practice-hero.has-cover .practice-countdown-unit {
    color: rgba(255, 255, 255, 0.85);
}

/* —— Tabs —— */
.practice-tabs {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 2px 2px 14px;
    margin-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.practice-tabs::-webkit-scrollbar {
    display: none;
}

.practice-tab {
    flex: 0 0 auto;
    min-width: 108px;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid transparent;
    text-decoration: none !important;
    color: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.practice-tab:hover {
    border-color: rgba(22, 119, 255, 0.2);
    background: #fff;
}

.practice-tab.is-active {
    background: #fff;
    border-color: rgba(22, 119, 255, 0.28);
    box-shadow: 0 8px 20px rgba(22, 119, 255, 0.1);
}

.practice-tab-group {
    display: block;
    margin-bottom: 4px;
    font-size: 11px;
    color: var(--prac-text-3);
}

.practice-tab strong {
    font-size: 14px;
    color: var(--prac-text);
}

.practice-tab.is-active strong {
    color: var(--prac-primary);
}

/* —— Layout —— */
.practice-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 18px;
    align-items: start;
}

.practice-panel,
.practice-side-card {
    background: var(--prac-surface);
    border: 1px solid var(--prac-line);
    border-radius: var(--prac-radius);
    box-shadow: var(--prac-shadow);
}

.practice-panel {
    padding: 22px 24px 24px;
    margin-bottom: 16px;
}

.practice-panel-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.practice-panel-head h2 {
    margin: 0 0 4px;
    font-size: 18px;
    font-weight: 450;
}

.practice-panel-head p {
    margin: 0;
    font-size: 13px;
    color: var(--prac-text-3);
}

.practice-link {
    flex: 0 0 auto;
    font-size: 13px;
    font-weight: 400;
    color: var(--prac-primary) !important;
    text-decoration: none !important;
}

.practice-link:hover {
    color: var(--prac-primary-hover) !important;
}

.practice-empty {
    margin: 0;
    color: var(--prac-text-3);
}

/* —— Markdown —— */
.practice-md {
    color: #334155;
    line-height: 1.8;
    font-size: 15px;
}

.practice-md h2,
.practice-md h3,
.practice-md h4 {
    margin: 22px 0 10px;
    color: #0f172a;
    font-weight: 450;
    line-height: 1.35;
}

.practice-md h2 {
    font-size: 20px;
}

.practice-md h3 {
    font-size: 17px;
}

.practice-md h4 {
    font-size: 15px;
}

.practice-md h2:first-child,
.practice-md h3:first-child,
.practice-md h4:first-child {
    margin-top: 0;
}

.practice-md p {
    margin: 0 0 12px;
}

.practice-md a {
    color: var(--prac-primary);
    word-break: break-all;
}

.practice-md code {
    padding: 1px 6px;
    border-radius: 6px;
    background: #f1f5f9;
    font-size: 0.92em;
}

.practice-md .practice-ol {
    margin: 0 0 14px;
    padding-left: 1.2em;
}

.practice-md .practice-ol li {
    margin: 0 0 8px;
}

.practice-table-wrap {
    overflow-x: auto;
    margin: 12px 0 18px;
    border: 1px solid var(--prac-line);
    border-radius: 12px;
}

.practice-table {
    width: 100%;
    margin: 0;
    border-collapse: collapse;
    font-size: 13px;
}

.practice-table th,
.practice-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--prac-line);
    text-align: left;
    white-space: nowrap;
}

.practice-table th {
    background: #f8fafc;
    color: #0f172a;
    font-weight: 450;
}

.practice-table tr:last-child td {
    border-bottom: 0;
}

/* —— Papers —— */
.practice-paper-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.practice-paper-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid var(--prac-line);
    background: #fbfcfe;
    text-decoration: none !important;
    color: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.practice-paper-item:hover {
    border-color: rgba(22, 119, 255, 0.28);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06);
    transform: translateY(-1px);
}

.practice-paper-main h3 {
    margin: 0 0 6px;
    font-size: 15px;
    font-weight: 650;
    color: #0f172a;
    line-height: 1.4;
}

.practice-paper-main p {
    margin: 0;
    font-size: 12px;
    color: var(--prac-text-3);
}

.practice-paper-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    flex: 0 0 auto;
}

.practice-year {
    font-size: 12px;
    color: var(--prac-text-3);
}

.practice-paper-cta {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 400;
    color: var(--prac-primary);
    background: var(--prac-primary-soft);
}

/* —— Sets —— */
.practice-sets {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.practice-set-card {
    display: block;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid var(--prac-line);
    background: #fff;
    text-decoration: none !important;
    color: inherit;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.practice-set-card:hover {
    transform: translateY(-2px);
    border-color: rgba(22, 119, 255, 0.25);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

.practice-set-cover {
    aspect-ratio: 16 / 9;
    width: 100%;
    height: auto;
    background-color: #e8eef6;
    background-image: linear-gradient(135deg, #0f172a, #1e3a5f);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.practice-set-meta {
    padding: 10px 14px 12px;
}

.practice-set-meta span {
    font-size: 12px;
    color: var(--prac-text-3);
}

/* —— Side —— */
.practice-side-card {
    padding: 18px 18px 16px;
    margin-bottom: 14px;
}

.practice-side-card h3 {
    margin: 0 0 12px;
    font-size: 15px;
    font-weight: 450;
}

.practice-path {
    margin: 0;
    padding-left: 1.15em;
}

.practice-path li {
    margin: 0 0 10px;
    color: var(--prac-text-2);
    line-height: 1.5;
}

.practice-path a {
    color: var(--prac-text) !important;
    text-decoration: none !important;
}

.practice-path a:hover {
    color: var(--prac-primary) !important;
}

.practice-side-stats ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.practice-side-stats li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--prac-line);
    font-size: 13px;
}

.practice-side-stats li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.practice-side-stats span {
    color: var(--prac-text-3);
}

.practice-side-stats strong {
    color: var(--prac-text);
    font-weight: 450;
}

.practice-side-tip p {
    margin: 0 0 14px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--prac-text-2);
}

.practice-side-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    padding: 0 14px;
    border-radius: 10px;
    background: var(--prac-primary);
    color: #fff !important;
    font-size: 13px;
    font-weight: 400;
    text-decoration: none !important;
}

.practice-side-cta:hover {
    background: var(--prac-primary-hover);
    color: #fff !important;
}

@media (max-width: 980px) {
    .practice-hero {
        grid-template-columns: 1fr;
        padding: 22px 18px;
    }

    .practice-layout {
        grid-template-columns: 1fr;
    }

    .practice-sets {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .practice-title {
        font-size: 28px;
    }

    .practice-actions {
        flex-direction: column;
    }

    .practice-btn {
        width: 100%;
    }

    .practice-sets {
        grid-template-columns: 1fr;
    }

    .practice-panel {
        padding: 18px 16px;
    }

    .practice-panel-head {
        flex-direction: column;
        align-items: flex-start;
    }
}