/* ============================================ */
/* 落地页自定义系统（landing_page + 模板）        */
/* ============================================ */

/* 分组通用头部 */
.landing-group {
    margin-bottom: 48px;
}

.landing-group:last-child {
    margin-bottom: 0;
}

.landing-group-head {
    text-align: center;
    margin-bottom: 32px;
}

.landing-group-title {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 6px;
}

.landing-group-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary, #888);
    max-width: 560px;
    margin: 0 auto;
}

/* 通用特性文字 */
.landing-feature-title {
    font-size: 1.02rem;
    font-weight: 600;
    line-height: 1.4;
}

.landing-feature-desc {
    font-size: 0.88rem;
    color: var(--text-secondary, #aaa);
    line-height: 1.7;
    margin-top: 6px;
}

/* ============ 模板1：经典卡片 ============ */
.landing-classic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.landing-feature-card {
    position: relative;
    border-radius: 14px;
    padding: 26px 22px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    overflow: hidden;
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.landing-feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.25s;
    pointer-events: none;
}

.landing-feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.25);
}

.landing-feature-card.highlight {
    border-color: var(--la-accent, #569cd6);
    box-shadow: 0 0 0 1px var(--la-accent, #569cd6);
}

/* 十色渐变变体 */
.landing-feature-card[data-color="0"] { --la-accent: #569cd6; --la-grad: rgba(86,156,214,0.18); }
.landing-feature-card[data-color="1"] { --la-accent: #c586c0; --la-grad: rgba(197,134,192,0.18); }
.landing-feature-card[data-color="2"] { --la-accent: #4ec9b0; --la-grad: rgba(78,201,176,0.18); }
.landing-feature-card[data-color="3"] { --la-accent: #ce9178; --la-grad: rgba(206,145,120,0.18); }
.landing-feature-card[data-color="4"] { --la-accent: #f4476a; --la-grad: rgba(244,71,106,0.18); }
.landing-feature-card[data-color="5"] { --la-accent: #4dd0e1; --la-grad: rgba(77,208,225,0.18); }
.landing-feature-card[data-color="6"] { --la-accent: #f06292; --la-grad: rgba(240,98,146,0.18); }
.landing-feature-card[data-color="7"] { --la-accent: #7986cb; --la-grad: rgba(121,134,203,0.18); }
.landing-feature-card[data-color="8"] { --la-accent: #26a69a; --la-grad: rgba(38,166,154,0.18); }
.landing-feature-card[data-color="9"] { --la-accent: #ffb74d; --la-grad: rgba(255,183,77,0.18); }

.landing-feature-card::before {
    background: linear-gradient(135deg, var(--la-grad), transparent 70%);
}

.landing-feature-card:hover::before {
    opacity: 1;
}

.landing-feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--la-accent), var(--la-grad));
    color: #fff;
    box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

.landing-feature-icon i {
    width: 26px;
    height: 26px;
}

/* ============ 模板2：时间轴 ============ */
.landing-timeline {
    position: relative;
    max-width: 960px;
    margin: 0 auto;
    padding: 8px 0;
}

.landing-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, rgba(86,156,214,0.5), rgba(197,134,192,0.5));
    transform: translateX(-50%);
}

.landing-timeline-item {
    position: relative;
    width: 50%;
    padding: 0 44px 36px;
    box-sizing: border-box;
}

.landing-timeline-item.left {
    left: 0;
    text-align: right;
}

.landing-timeline-item.right {
    left: 50%;
    text-align: left;
}

.landing-timeline-item:last-child {
    padding-bottom: 0;
}

.landing-timeline-dot {
    position: absolute;
    top: 2px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #569cd6, #c586c0);
    color: #fff;
    box-shadow: 0 4px 14px rgba(86,156,214,0.4);
    z-index: 1;
}

.landing-timeline-item.left .landing-timeline-dot {
    right: -23px;
}

.landing-timeline-item.right .landing-timeline-dot {
    left: -23px;
}

.landing-timeline-dot i {
    width: 20px;
    height: 20px;
}

.landing-timeline-card {
    display: inline-block;
    text-align: left;
    border-radius: 12px;
    padding: 16px 18px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    transition: border-color 0.25s, box-shadow 0.25s;
}

.landing-timeline-item.highlight .landing-timeline-card {
    border-color: rgba(86,156,214,0.6);
    box-shadow: 0 0 0 1px rgba(86,156,214,0.4);
}

.landing-timeline-num {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #569cd6;
    margin-bottom: 6px;
}

/* ============ 模板3：数据网格 ============ */
.landing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.landing-grid-card {
    border-radius: 14px;
    padding: 26px 20px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.landing-grid-card:hover {
    transform: translateY(-3px);
    border-color: rgba(86,156,214,0.55);
    box-shadow: 0 0 24px rgba(86,156,214,0.25);
}

.landing-grid-card.highlight {
    border-color: rgba(86,156,214,0.7);
    box-shadow: 0 0 24px rgba(86,156,214,0.3);
}

.landing-grid-icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 16px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(86,156,214,0.14);
    color: #569cd6;
    border: 1px solid rgba(86,156,214,0.3);
}

.landing-grid-icon i {
    width: 30px;
    height: 30px;
}

/* ============ 模板4：图文交替 ============ */
.landing-alt-row {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 28px 0;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.landing-alt-row:last-child {
    border-bottom: none;
}

.landing-alt-row.row-right {
    flex-direction: row-reverse;
}

.landing-alt-media {
    flex: 1 1 46%;
    min-width: 0;
}

.landing-alt-media img {
    width: 100%;
    border-radius: 14px;
    display: block;
    border: 1px solid rgba(255,255,255,0.08);
}

.landing-alt-icon {
    width: 130px;
    height: 130px;
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(86,156,214,0.16), rgba(197,134,192,0.16));
    border: 1px solid rgba(86,156,214,0.35);
    color: #569cd6;
    margin: 0 auto;
}

.landing-alt-icon i {
    width: 52px;
    height: 52px;
}

.landing-alt-text {
    flex: 1 1 46%;
    min-width: 0;
}

.landing-alt-text .landing-feature-title {
    font-size: 1.15rem;
}

.landing-alt-row.highlight .landing-alt-text .landing-feature-title {
    color: #569cd6;
}

/* ============ 模板5：大数字卖点 ============ */
.landing-num-item {
    display: flex;
    align-items: flex-start;
    gap: 28px;
    padding: 22px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    border-radius: 10px;
    transition: background 0.2s;
}

.landing-num-item:last-child {
    border-bottom: none;
}

.landing-num-item:hover {
    background: rgba(255,255,255,0.02);
}

.landing-num-badge {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1;
    min-width: 76px;
    background: linear-gradient(135deg, #569cd6, #c586c0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Segoe UI', -apple-system, sans-serif;
}

.landing-num-item.highlight .landing-num-badge {
    background: linear-gradient(135deg, #4ec9b0, #569cd6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-num-item.highlight .landing-feature-title {
    color: #569cd6;
}

.landing-num-body {
    flex: 1;
}

/* ============ 明暗主题适配 ============ */
body.light-mode .landing-feature-card,
body.light-mode .landing-timeline-card,
body.light-mode .landing-grid-card {
    border-color: rgba(0,0,0,0.1);
    background: rgba(255,255,255,0.6);
}

body.light-mode .landing-alt-row,
body.light-mode .landing-num-item {
    border-color: rgba(0,0,0,0.08);
}

body.light-mode .landing-num-item:hover {
    background: rgba(0,0,0,0.02);
}

body.light-mode .landing-alt-media img {
    border-color: rgba(0,0,0,0.1);
}

/* ============ 响应式 ============ */
@media (max-width: 768px) {
    .landing-group {
        margin-bottom: 36px;
    }

    .landing-group-head {
        margin-bottom: 22px;
    }

    .landing-group-title {
        font-size: 1.3rem;
    }

    /* 经典卡片：单列 */
    .landing-classic-grid {
        grid-template-columns: 1fr;
    }

    /* 时间轴：左侧单列线 */
    .landing-timeline::before {
        left: 22px;
        transform: none;
    }

    .landing-timeline-item,
    .landing-timeline-item.left,
    .landing-timeline-item.right {
        width: 100%;
        left: 0;
        padding: 0 0 28px 64px;
        text-align: left;
    }

    .landing-timeline-item.left .landing-timeline-dot,
    .landing-timeline-item.right .landing-timeline-dot {
        left: 0;
        right: auto;
    }

    /* 数据网格：自适应列数，卡片自动填满无缺口 */
    .landing-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 12px;
    }

    /* 图文交替：上下堆叠 */
    .landing-alt-row,
    .landing-alt-row.row-right {
        flex-direction: column;
        gap: 16px;
        padding: 20px 0;
    }

    .landing-alt-media,
    .landing-alt-text {
        flex: none;
        width: 100%;
    }

    .landing-alt-icon {
        width: 96px;
        height: 96px;
    }

    .landing-alt-icon i {
        width: 40px;
        height: 40px;
    }

    /* 大数字：数字缩小 */
    .landing-num-badge {
        font-size: 1.8rem;
        min-width: 48px;
    }

    .landing-num-item {
        gap: 16px;
        padding: 16px 4px;
    }
}

@media (max-width: 480px) {
    .landing-grid {
        grid-template-columns: 1fr;
    }
}

/* ============ 模板6：砖块错落网格（Bento） ============ */
.landing-bento {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    grid-auto-rows: minmax(120px, auto);
    gap: 14px;
}

.landing-bento-card {
    position: relative;
    border-radius: 16px;
    padding: 22px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    overflow: hidden;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.landing-bento-card.large {
    grid-column: span 2;
    grid-row: span 2;
    padding: 28px;
}

.landing-bento-card.large img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
    border-radius: 16px;
}

.landing-bento-card.large .landing-feature-title {
    font-size: 1.25rem;
}

.landing-bento-card:hover {
    transform: translateY(-3px);
    border-color: rgba(86,156,214,0.5);
}

.landing-bento-card.highlight {
    border-color: rgba(86,156,214,0.6);
    box-shadow: 0 0 20px rgba(86,156,214,0.2);
}

.landing-bento-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(86,156,214,0.2), rgba(197,134,192,0.2));
    color: #569cd6;
    margin-bottom: 14px;
}

.landing-bento-icon i {
    width: 22px;
    height: 22px;
}

body.light-mode .landing-bento-card {
    border-color: rgba(0,0,0,0.1);
    background: rgba(255,255,255,0.6);
}

/* ============ 模板7：数据指标条 ============ */
.landing-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.landing-stat {
    border-radius: 14px;
    padding: 26px 20px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    border-top: 3px solid rgba(86,156,214,0.5);
    transition: transform 0.25s, border-color 0.25s;
}

.landing-stat:hover {
    transform: translateY(-3px);
}

.landing-stat.highlight {
    border-top-color: #4ec9b0;
    box-shadow: 0 0 20px rgba(78,201,176,0.2);
}

.landing-stat-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #569cd6;
    background: rgba(86,156,214,0.12);
    border-radius: 10px;
}

.landing-stat-icon i {
    width: 20px;
    height: 20px;
}

.landing-stat-value {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, #569cd6, #c586c0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Segoe UI', -apple-system, sans-serif;
}

.landing-stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary, #aaa);
    margin-top: 8px;
    line-height: 1.6;
}

body.light-mode .landing-stat {
    border-color: rgba(0,0,0,0.1);
    background: rgba(255,255,255,0.6);
}

/* ============ 模板8：标签分组切换 ============ */
.landing-tabs-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 32px;
}

.landing-tab {
    padding: 10px 22px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(255,255,255,0.04);
    color: inherit;
    font-family: inherit;
    font-size: 0.92rem;
    cursor: pointer;
    transition: background 0.25s, color 0.25s, border-color 0.25s;
}

.landing-tab:hover {
    border-color: rgba(86,156,214,0.5);
}

.landing-tab.active {
    background: linear-gradient(135deg, #569cd6, #c586c0);
    border-color: transparent;
    color: #fff;
    font-weight: 600;
}

.landing-tab-pane {
    display: none;
}

.landing-tab-pane.active {
    display: block;
    animation: landingFadeIn 0.35s ease;
}

@keyframes landingFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.landing-tab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
}

.landing-tab-card {
    border-radius: 14px;
    padding: 22px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    transition: transform 0.25s, border-color 0.25s;
}

.landing-tab-card:hover {
    transform: translateY(-3px);
    border-color: rgba(86,156,214,0.5);
}

.landing-tab-card.highlight {
    border-color: rgba(86,156,214,0.6);
}

.landing-tab-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(86,156,214,0.14);
    color: #569cd6;
    margin-bottom: 14px;
}

.landing-tab-icon i {
    width: 22px;
    height: 22px;
}

body.light-mode .landing-tab {
    border-color: rgba(0,0,0,0.14);
    background: rgba(0,0,0,0.03);
}

body.light-mode .landing-tab-card {
    border-color: rgba(0,0,0,0.1);
    background: rgba(255,255,255,0.6);
}

/* ============ 模板9：特写主卡 ============ */
.landing-spotlight-main {
    display: flex;
    align-items: center;
    gap: 40px;
    border-radius: 18px;
    padding: 30px;
    border: 1px solid rgba(255,255,255,0.1);
    background: linear-gradient(135deg, rgba(86,156,214,0.08), rgba(197,134,192,0.08));
    margin-bottom: 16px;
}

.landing-spotlight-main.highlight {
    border-color: rgba(86,156,214,0.6);
    box-shadow: 0 0 30px rgba(86,156,214,0.2);
}

.landing-spotlight-media {
    flex: 1 1 45%;
    min-width: 0;
}

.landing-spotlight-media img {
    width: 100%;
    border-radius: 14px;
    display: block;
    border: 1px solid rgba(255,255,255,0.1);
}

.landing-spotlight-icon {
    width: 150px;
    height: 150px;
    border-radius: 26px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(86,156,214,0.18), rgba(197,134,192,0.18));
    border: 1px solid rgba(86,156,214,0.35);
    color: #569cd6;
}

.landing-spotlight-icon i {
    width: 60px;
    height: 60px;
}

.landing-spotlight-text {
    flex: 1 1 45%;
    min-width: 0;
}

.landing-spotlight-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.landing-spotlight-desc {
    font-size: 0.95rem;
    color: var(--text-secondary, #aaa);
    line-height: 1.8;
}

.landing-spotlight-sub {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    border-radius: 14px;
    padding: 20px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    margin-bottom: 12px;
    transition: transform 0.25s, border-color 0.25s;
}

.landing-spotlight-sub:hover {
    transform: translateX(4px);
}

.landing-spotlight-sub.highlight {
    border-color: rgba(86,156,214,0.6);
}

.landing-spotlight-sub-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(86,156,214,0.14);
    color: #569cd6;
}

.landing-spotlight-sub-icon i {
    width: 20px;
    height: 20px;
}

body.light-mode .landing-spotlight-main,
body.light-mode .landing-spotlight-sub {
    border-color: rgba(0,0,0,0.1);
    background: rgba(255,255,255,0.6);
}

body.light-mode .landing-spotlight-media img {
    border-color: rgba(0,0,0,0.1);
}

/* ============ 模板10：横向步骤条 ============ */
.landing-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    counter-reset: step;
}

.landing-step {
    position: relative;
    border-radius: 14px;
    padding: 24px 18px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    transition: transform 0.25s, border-color 0.25s;
}

.landing-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -9px;
    width: 16px;
    height: 2px;
    background: linear-gradient(90deg, rgba(86,156,214,0.6), transparent);
    transform: translateY(-50%);
}

.landing-step:hover {
    transform: translateY(-3px);
}

.landing-step.highlight {
    border-color: rgba(86,156,214,0.6);
    box-shadow: 0 0 18px rgba(86,156,214,0.18);
}

.landing-step-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.landing-step-num {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #569cd6, #c586c0);
}

.landing-step-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(86,156,214,0.12);
    color: #569cd6;
}

.landing-step-icon i {
    width: 17px;
    height: 17px;
}

body.light-mode .landing-step {
    border-color: rgba(0,0,0,0.1);
    background: rgba(255,255,255,0.6);
}

/* ============ 新模板响应式 ============ */
@media (max-width: 768px) {
    /* 砖块：自适应列数，大卡仍占 2 列，卡片自动填满无缺口 */
    .landing-bento {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        grid-auto-rows: minmax(110px, auto);
    }

    .landing-bento-card.large {
        grid-column: span 2;
        grid-row: span 1;
        padding: 22px;
    }

    .landing-bento-card.large img {
        opacity: 0.25;
    }

    /* 指标条 */
    .landing-stat-value {
        font-size: 1.7rem;
    }

    /* 特写主卡：纵向 */
    .landing-spotlight-main {
        flex-direction: column;
        gap: 18px;
        padding: 22px;
    }

    .landing-spotlight-media,
    .landing-spotlight-text {
        flex: none;
        width: 100%;
    }

    .landing-spotlight-icon {
        width: 110px;
        height: 110px;
    }

    .landing-spotlight-icon i {
        width: 46px;
        height: 46px;
    }

    .landing-spotlight-title {
        font-size: 1.25rem;
    }

    /* 步骤条：纵向，连接线取消 */
    .landing-steps {
        grid-template-columns: 1fr;
    }

    .landing-step:not(:last-child)::after {
        display: none;
    }

    /* 标签切换：按钮单行滚动 */
    .landing-tabs-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 6px;
        -webkit-overflow-scrolling: touch;
    }

    .landing-tab {
        flex-shrink: 0;
        padding: 8px 18px;
    }

    .landing-tab-grid {
        grid-template-columns: 1fr;
    }
}

/* ============ 横向全宽渐变背景带（所有模板共用） ============ */
.landing-band {
    width: 100vw;
    margin-left: calc(50% - 50vw);
    padding: 48px 0;
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    --band-glow: rgba(86,156,214,0.14);
}

/* 顶部光晕装饰（颜色跟随各模板 --band-glow） */
.landing-band::before {
    content: '';
    position: absolute;
    top: -80%;
    left: 50%;
    width: 75%;
    height: 260%;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, var(--band-glow), transparent 70%);
    pointer-events: none;
}

.landing-band-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    z-index: 1;
}

body.light-mode .landing-band {
    border-color: rgba(0,0,0,0.05);
}

@media (max-width: 768px) {
    .landing-band {
        padding: 30px 0;
    }

    .landing-band-inner {
        padding: 0 12px;
    }
}

/* ============ 模板11：玻璃拟态卡片 ============ */
.landing-glass-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.landing-glass-card {
    border-radius: 18px;
    padding: 26px 22px;
    background: rgba(255,255,255,0.06);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255,255,255,0.14);
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.landing-glass-card:hover {
    transform: translateY(-3px);
    border-color: rgba(86,156,214,0.55);
    box-shadow: 0 12px 30px rgba(86,156,214,0.18);
}

.landing-glass-card.highlight {
    border-color: rgba(86,156,214,0.65);
    box-shadow: 0 0 24px rgba(86,156,214,0.2);
}

.landing-glass-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(86,156,214,0.35), rgba(197,134,192,0.35));
    border: 1px solid rgba(255,255,255,0.18);
    color: #fff;
}

.landing-glass-icon i {
    width: 24px;
    height: 24px;
}

body.light-mode .landing-glass-card {
    background: rgba(255,255,255,0.7);
    border-color: rgba(0,0,0,0.1);
}

body.light-mode .landing-glass-icon {
    background: linear-gradient(135deg, rgba(86,156,214,0.9), rgba(197,134,192,0.9));
}

/* ============ 模板12：渐变描边卡片 ============ */
.landing-outline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.landing-outline-card {
    border-radius: 16px;
    padding: 26px 22px;
    border: 2px solid transparent;
    background:
        linear-gradient(rgba(20,22,28,0.92), rgba(20,22,28,0.92)) padding-box,
        linear-gradient(135deg, #569cd6, #c586c0, #4ec9b0) border-box;
    transition: transform 0.25s, box-shadow 0.25s;
}

.landing-outline-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 26px rgba(86,156,214,0.25);
}

.landing-outline-card.highlight {
    box-shadow: 0 0 26px rgba(197,134,192,0.3);
}

.landing-outline-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(86,156,214,0.25), rgba(197,134,192,0.25));
    color: #569cd6;
}

.landing-outline-icon i {
    width: 24px;
    height: 24px;
}

body.light-mode .landing-outline-card {
    background:
        linear-gradient(#ffffff, #ffffff) padding-box,
        linear-gradient(135deg, #569cd6, #c586c0, #4ec9b0) border-box;
}

/* ============ 模板13：图文卡片 ============ */
.landing-photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.landing-photo-card {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.landing-photo-card:hover {
    transform: translateY(-3px);
    border-color: rgba(86,156,214,0.5);
    box-shadow: 0 12px 28px rgba(0,0,0,0.3);
}

.landing-photo-card.highlight {
    border-color: rgba(86,156,214,0.6);
}

.landing-photo-media {
    height: 150px;
    overflow: hidden;
}

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

.landing-photo-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(86,156,214,0.3), rgba(197,134,192,0.3));
    color: #fff;
}

.landing-photo-fallback i {
    width: 40px;
    height: 40px;
}

.landing-photo-body {
    padding: 18px 18px 16px;
}

body.light-mode .landing-photo-card {
    border-color: rgba(0,0,0,0.1);
    background: rgba(255,255,255,0.7);
}

/* ============ 模板14：强调色条卡片 ============ */
.landing-accent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.landing-accent-card {
    position: relative;
    border-radius: 14px;
    padding: 26px 22px 24px;
    border: 1px solid rgba(255,255,255,0.09);
    background: rgba(255,255,255,0.04);
    overflow: hidden;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.landing-accent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #569cd6, #c586c0);
}

.landing-accent-card.highlight::before {
    height: 6px;
    background: linear-gradient(90deg, #4ec9b0, #569cd6, #c586c0);
}

.landing-accent-card:hover {
    transform: translateY(-3px);
    border-color: rgba(86,156,214,0.5);
    box-shadow: 0 10px 24px rgba(0,0,0,0.22);
}

.landing-accent-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(86,156,214,0.16);
    color: #569cd6;
}

.landing-accent-icon i {
    width: 22px;
    height: 22px;
}

body.light-mode .landing-accent-card {
    border-color: rgba(0,0,0,0.09);
    background: rgba(255,255,255,0.75);
}

/* ============ 模板15：极简卡片 ============ */
.landing-minimal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
}

.landing-minimal-card {
    border-radius: 12px;
    padding: 22px 18px;
    background: transparent;
    transition: background 0.25s;
}

.landing-minimal-card:hover {
    background: rgba(255,255,255,0.05);
}

.landing-minimal-card.highlight {
    background: rgba(86,156,214,0.08);
}

.landing-minimal-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 14px;
    color: #569cd6;
}

.landing-minimal-icon i {
    width: 34px;
    height: 34px;
    stroke-width: 1.5;
}

body.light-mode .landing-minimal-card:hover {
    background: rgba(0,0,0,0.03);
}

body.light-mode .landing-minimal-card.highlight {
    background: rgba(86,156,214,0.08);
}

/* ============ 新模板响应式 ============ */
@media (max-width: 768px) {
    .landing-glass-grid,
    .landing-outline-grid,
    .landing-accent-grid,
    .landing-minimal-grid {
        grid-template-columns: 1fr;
    }

    .landing-photo-grid {
        grid-template-columns: 1fr;
    }

    .landing-photo-media {
        height: 180px;
    }
}

/* ============ 背景带（中性配色：明亮=白→浅灰，暗黑=深灰） ============ */
/* 暗黑模式（默认）：深灰渐变，顶部细微高光 */
.landing-band {
    background: linear-gradient(180deg, #171a21 0%, #101318 100%);
    border-top: 1px solid rgba(255,255,255,0.07);
    border-bottom: 1px solid rgba(255,255,255,0.07);
    --band-glow: rgba(255,255,255,0.05);
}

.landing-band::before {
    content: '';
    position: absolute;
    top: -60%;
    left: 50%;
    width: 80%;
    height: 220%;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, var(--band-glow), transparent 70%);
    pointer-events: none;
}

/* 明亮模式：白色 → 浅灰渐变 */
body.light-mode .landing-band {
    background: linear-gradient(180deg, #ffffff 0%, #f4f5f7 100%);
    border-top: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
}

body.light-mode .landing-band::before {
    background: radial-gradient(ellipse at center, rgba(0,0,0,0.03), transparent 70%);
}