/* 基础设置 */
*,
*::before,
*::after {
    box-sizing: border-box;
}

.z6c57cbody {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    background: radial-gradient(circle at top, #182b3a 0, #050814 45%, #02040a 100%);
    color: #e6f1ff;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.z6c57cpage-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* 顶部导航 */
.z6c57cheader {
    position: sticky;
    top: 0;
    z-index: 20;
    background: linear-gradient(to bottom, rgba(4, 10, 25, 0.98), rgba(4, 10, 25, 0.9));
    border-bottom: 1px solid rgba(81, 141, 255, 0.35);
    backdrop-filter: blur(16px);
}

.z6c57cheader-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.z6c57clogo-area {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.z6c57clogo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    text-decoration: none;
}

.z6c57clogo-img {
    width: 120px;
    height: auto;
    display: block;
}

.z6c57clogo-text {
    font-size: 16px;
    font-weight: 600;
    color: #f5fbff;
}

.z6c57cnav {
    display: flex;
    gap: 20px;
    font-size: 14px;
}

.z6c57cnav-toggle {
    display: none;
}

.z6c57cnav-toggle-label {
    display: none;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 1px solid rgba(81, 141, 255, 0.6);
    background: rgba(3, 9, 28, 0.9);
}

.z6c57cnav-toggle-label span {
    display: block;
    width: 16px;
    height: 2px;
    margin: 2px 0;
    border-radius: 999px;
    background: #c4d8ff;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.z6c57cnav-link {
    color: #c4d8ff;
    text-decoration: none;
    position: relative;
    padding-bottom: 4px;
    transition: color 0.2s ease;
}

.z6c57cnav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, #0df2ff, #3a7bff);
    transition: width 0.25s ease;
}

.z6c57cnav-link:hover {
    color: #ffffff;
}

.z6c57cnav-link:hover::after {
    width: 100%;
}

.z6c57ctext-link {
    color: #7fe3ff;
    text-decoration: underline;
    text-decoration-style: dotted;
}

.z6c57ctext-link:hover {
    color: #ffffff;
    text-decoration-style: solid;
}

/* 主体布局 */
.z6c57cmain {
    flex: 1;
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 24px 16px 40px;
}

/* 主横幅区域 */
.z6c57chero {
    width: 100%;
    margin: 0 0 28px;
}

.z6c57chero-frame {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(180px, 240px);
    gap: 20px;
    align-items: center;
    padding: 22px 20px;
    border-radius: 16px;
    border: 1px solid rgba(81, 141, 255, 0.35);
    background:
        radial-gradient(circle at top left, rgba(62, 220, 255, 0.1), transparent 55%),
        radial-gradient(circle at bottom right, rgba(156, 118, 255, 0.1), transparent 55%),
        linear-gradient(135deg, rgba(6, 13, 34, 0.96), rgba(2, 6, 18, 0.98));
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

/* 左侧面板 */
.z6c57cside-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.z6c57cside-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 16px;
    background: linear-gradient(145deg, rgba(11, 27, 60, 0.95), rgba(7, 16, 40, 0.98));
    border: 1px solid rgba(66, 116, 255, 0.7);
    box-shadow: 0 8px 20px rgba(3, 10, 30, 0.85);
}

.z6c57cside-icon {
    width: 32px;
    height: 32px;
    border-radius: 12px;
    background: radial-gradient(circle at 30% 20%, #ffffff, #8ce6ff 40%, #1c7fff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.z6c57cside-icon::before,
.z6c57cside-icon::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    border: 2px solid rgba(3, 12, 35, 0.75);
}

.z6c57cicon-safe::before {
    width: 16px;
    height: 10px;
    border-radius: 8px;
    border-width: 2px;
}

.z6c57cicon-update::before {
    width: 15px;
    height: 15px;
    border-radius: 4px;
    border-width: 2px;
}

.z6c57cicon-guide::before {
    width: 14px;
    height: 18px;
    border-radius: 3px;
    border-width: 2px;
}

.z6c57cside-text {
    flex: 1;
}

.z6c57cside-title {
    margin: 0 0 4px;
    font-size: 14px;
    color: #f6fbff;
}

.z6c57cside-desc {
    margin: 0;
    font-size: 12px;
    line-height: 1.5;
    color: #a9c3ff;
}

/* 中间主横幅内容 */
.z6c57chero-center {
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
}

.z6c57chero-title {
    margin: 0 0 10px;
    font-size: 26px;
    line-height: 1.3;
    color: #ffffff;
}

.z6c57chero-subtitle {
    margin: 0 0 18px;
    font-size: 14px;
    line-height: 1.6;
    color: #c8dcff;
}

.z6c57ckeyword {
    color: #69f4ff;
}

.z6c57ccta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.z6c57ccta-pill {
    border-radius: 999px;
    border: 1px solid transparent;
    outline: none;
    padding: 9px 22px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.55);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    box-sizing: border-box;
}

.z6c57ccta-pill:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 26px rgba(0, 0, 0, 0.8);
}

.z6c57ccta-pill-main {
    background: linear-gradient(135deg, #ffffff, #dff4ff);
    color: #004a90;
    border-color: rgba(189, 224, 255, 0.9);
}

.z6c57ccta-pill-android {
    background: linear-gradient(135deg, #00e2a0, #00b0ff);
    color: #021018;
    border-color: rgba(0, 231, 177, 0.9);
}

.z6c57ccta-pill-ios {
    background: linear-gradient(135deg, #4e8dff, #3460ff);
    color: #f5fbff;
    border-color: rgba(113, 166, 255, 0.95);
}

.z6c57chero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.z6c57chero-tag {
    display: inline-block;
    max-width: 100%;
    padding: 5px 12px;
    border-radius: 8px;
    font-size: 12px;
    line-height: 1.4;
    color: #c4e8ff;
    background: rgba(8, 24, 58, 0.85);
    border: 1px solid rgba(81, 141, 255, 0.35);
    overflow-wrap: break-word;
}

.z6c57chero-note {
    margin: 0;
    padding: 10px 14px;
    border-left: 3px solid #0df2ff;
    border-radius: 0 8px 8px 0;
    font-size: 13px;
    line-height: 1.6;
    color: #a4c0ff;
    background: rgba(5, 16, 50, 0.5);
}

/* 右侧设备预览 */
.z6c57chero-visual {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.z6c57chero-image {
    max-width: 100%;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.z6c57chero-copy-note {
    margin: 12px 4px 0;
    font-size: 11px;
    color: rgba(154, 182, 255, 0.8);
}

/* 通用区块 - 统一边框与间距 */
.z6c57csection {
    width: 100%;
    margin: 0 0 28px;
    padding: 22px 20px;
    border-radius: 16px;
    border: 1px solid rgba(81, 141, 255, 0.35);
    background: linear-gradient(145deg, rgba(3, 8, 24, 0.96), rgba(4, 10, 26, 0.98));
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

.z6c57csection-features {
    background: linear-gradient(145deg, rgba(3, 10, 32, 0.96), rgba(5, 16, 46, 0.96));
}

.z6c57csection-register {
    background: linear-gradient(135deg, rgba(4, 13, 40, 0.98), rgba(5, 19, 54, 0.98));
}

.z6c57csection-faq {
    background: linear-gradient(145deg, rgba(3, 8, 24, 0.96), rgba(4, 13, 42, 0.96));
}

.z6c57csection-articles {
    background: linear-gradient(145deg, rgba(4, 13, 40, 0.96), rgba(5, 19, 54, 0.96));
}

.z6c57csection-head {
    margin-bottom: 18px;
}

.z6c57csection-head-center {
    text-align: center;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.z6c57csection-title {
    margin: 0 0 6px;
    font-size: 20px;
    color: #ffffff;
}

.z6c57csection-subtitle {
    margin: 0;
    font-size: 13px;
    line-height: 1.7;
    color: #a4c0ff;
}

/* 功能亮点横条 */
.z6c57cfeature-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.z6c57cfeature-cell {
    min-width: 0;
    height: 100%;
    padding: 16px 14px;
    border-radius: 12px;
    background: rgba(5, 16, 50, 0.65);
    border: 1px solid rgba(81, 141, 255, 0.3);
    transition: border-color 0.2s ease;
}

.z6c57cfeature-cell:hover {
    border-color: rgba(13, 242, 255, 0.45);
}

.z6c57cfeature-num {
    display: inline-block;
    margin-bottom: 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #0df2ff;
    opacity: 0.85;
}

.z6c57cfeature-name {
    margin: 0 0 8px;
    font-size: 15px;
    color: #f5fbff;
}

.z6c57cfeature-desc {
    margin: 0;
    font-size: 12px;
    line-height: 1.7;
    color: #a4c0ff;
}

.z6c57creason-footnote {
    margin: 0;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.75;
    color: #9fb8ff;
    text-align: center;
    background: rgba(5, 16, 50, 0.45);
    border: 1px solid rgba(81, 141, 255, 0.25);
}

/* 下载注册 - 左右分栏 */
.z6c57cdownload-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.z6c57cdownload-intro {
    min-width: 0;
    padding: 16px;
    border-radius: 12px;
    background: rgba(3, 9, 28, 0.5);
    border: 1px solid rgba(81, 141, 255, 0.25);
}

.z6c57cdownload-label {
    display: inline-block;
    margin-bottom: 10px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    color: #0df2ff;
    background: rgba(13, 242, 255, 0.1);
    border: 1px solid rgba(13, 242, 255, 0.35);
}

.z6c57cdownload-steps {
    margin: 16px 0 20px;
    padding: 0;
    list-style: none;
}

.z6c57cdownload-steps li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 13px;
    color: #c4d8ff;
    border-bottom: 1px solid rgba(81, 120, 200, 0.2);
}

.z6c57cdownload-steps li:last-child {
    border-bottom: none;
}

.z6c57cdownload-steps li span {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: #020816;
    background: linear-gradient(135deg, #0df2ff, #3a7bff);
}

.z6c57cdownload-main-btn {
    display: inline-block;
    text-decoration: none;
}

.z6c57cplatform-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
}

.z6c57cplatform-row {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(3, 9, 28, 0.6);
    border: 1px solid rgba(81, 141, 255, 0.3);
    transition: border-color 0.2s ease, background 0.2s ease;
}

.z6c57cplatform-row:hover {
    border-color: rgba(103, 157, 255, 0.65);
    background: rgba(5, 16, 50, 0.9);
}

.z6c57cplatform-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 12px;
}

.z6c57cregister-icon-android {
    background: radial-gradient(circle at 30% 20%, #ffffff, #77ffc6 40%, #00c4ff 100%);
}

.z6c57cregister-icon-ios {
    background: radial-gradient(circle at 30% 20%, #ffffff, #c5ddff 40%, #4b7dff 100%);
}

.z6c57cregister-icon-pc {
    background: radial-gradient(circle at 30% 20%, #ffffff, #9ff0ff 40%, #3bc0ff 100%);
}

.z6c57cregister-icon-user {
    background: radial-gradient(circle at 30% 20%, #ffffff, #ffe6a0 40%, #ffb260 100%);
}

.z6c57cplatform-body {
    flex: 1;
    min-width: 0;
}

.z6c57cplatform-name {
    margin: 0 0 4px;
    font-size: 15px;
    color: #f5fbff;
}

.z6c57cplatform-desc {
    margin: 0;
    font-size: 12px;
    line-height: 1.5;
    color: #8fa8e0;
}

.z6c57cplatform-btn {
    flex-shrink: 0;
    min-width: 72px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.z6c57cplatform-btn:hover {
    transform: translateY(-1px);
}

.z6c57cplatform-btn-android {
    color: #021018;
    background: linear-gradient(135deg, #00e2a0, #00b0ff);
    border: 1px solid rgba(0, 231, 177, 0.9);
}

.z6c57cplatform-btn-ios {
    color: #f5fbff;
    background: linear-gradient(135deg, #4e8dff, #3460ff);
    border: 1px solid rgba(113, 166, 255, 0.95);
}

.z6c57cplatform-btn-pc {
    color: #004a90;
    background: linear-gradient(135deg, #ffffff, #dff4ff);
    border: 1px solid rgba(189, 224, 255, 0.9);
}

/* 中间统计分隔条 */
.z6c57cstats-strip {
    width: 100%;
    margin: 0 0 28px;
}

.z6c57cstats-inner {
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: linear-gradient(135deg, #0b3a7a, #0b59c9 45%, #0bc4ff 100%);
    padding: 16px 20px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: center;
    text-align: center;
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

.z6c57cstat-item {
    padding: 4px 8px;
    position: relative;
}

.z6c57cstat-item + .z6c57cstat-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 15%;
    height: 70%;
    width: 1px;
    background: rgba(255, 255, 255, 0.25);
}

.z6c57cstat-value {
    font-size: 22px;
    font-weight: 700;
}

.z6c57cstat-label {
    margin-top: 4px;
    font-size: 13px;
    opacity: 0.96;
}

/* FAQ 左右布局 */
.z6c57cfaq-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 20px;
    align-items: start;
}

.z6c57cfaq-intro {
    min-width: 0;
    position: sticky;
    top: 80px;
    padding: 16px;
    border-radius: 12px;
    background: rgba(3, 9, 28, 0.5);
    border: 1px solid rgba(81, 141, 255, 0.25);
}

.z6c57cfaq-accordion {
    min-width: 0;
    margin: 0;
}

.z6c57cfaq-item {
    border-radius: 12px;
    border: 1px solid rgba(81, 141, 255, 0.3);
    background: rgba(5, 12, 32, 0.75);
    margin-bottom: 8px;
    padding: 12px 14px;
    transition: border-color 0.2s ease;
}

.z6c57cfaq-item:last-child {
    margin-bottom: 0;
}

.z6c57cfaq-item[open] {
    border-color: rgba(13, 242, 255, 0.45);
    background: rgba(8, 20, 55, 0.95);
}

.z6c57cfaq-summary {
    list-style: none;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.5;
    color: #f4f8ff;
    position: relative;
    padding-right: 28px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.z6c57cfaq-summary::-webkit-details-marker {
    display: none;
}

.z6c57cfaq-summary::after {
    content: "＋";
    position: absolute;
    right: 0;
    top: 0;
    font-size: 14px;
    color: #9fb8ff;
}

.z6c57cfaq-item[open] > .z6c57cfaq-summary::after {
    content: "－";
}

.z6c57cfaq-body {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid rgba(104, 154, 255, 0.5);
    font-size: 13px;
    line-height: 1.8;
    color: #cfd9ff;
}

/* 网格与卡片 */
.z6c57cgrid {
    display: grid;
    gap: 16px;
}

.z6c57cfeature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.z6c57ccard {
    padding: 14px 14px 16px;
    border-radius: 16px;
    background: radial-gradient(circle at top, rgba(35, 85, 255, 0.5), rgba(4, 9, 25, 0.95));
    border: 1px solid rgba(98, 151, 255, 0.9);
}

.z6c57ccard-title {
    margin: 0 0 6px;
    font-size: 15px;
    color: #f7fbff;
}

.z6c57ccard-text {
    margin: 0;
    font-size: 13px;
    line-height: 1.7;
    color: #c0d4ff;
}

/* 下载指南 */
.z6c57csection-guide {
    background: linear-gradient(135deg, rgba(3, 12, 36, 0.98), rgba(7, 19, 56, 0.97));
}

.z6c57cguide-columns {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.z6c57cguide-column {
    padding: 14px 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(91, 151, 255, 0.8);
    background: radial-gradient(circle at top, rgba(20, 104, 255, 0.6), rgba(2, 7, 24, 0.96));
}

.z6c57cguide-title {
    margin: 0 0 8px;
    font-size: 15px;
    color: #ffffff;
}

.z6c57cstep-list {
    margin: 0 0 10px 18px;
    padding: 0;
    font-size: 13px;
    line-height: 1.7;
    color: #c2d6ff;
}

.z6c57cstep-item {
    margin-bottom: 4px;
}

.z6c57cguide-note {
    padding: 8px 10px;
    border-radius: 12px;
    background: rgba(0, 12, 40, 0.9);
    border: 1px dashed rgba(116, 166, 255, 0.9);
    font-size: 12px;
    color: #a9c7ff;
}

.z6c57cfaq-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.z6c57cfaq-question {
    margin: 0 0 6px;
    font-size: 14px;
    color: #f4f8ff;
}

.z6c57cfaq-answer {
    margin: 0;
    font-size: 13px;
    line-height: 1.7;
    color: #c6d7ff;
}

/* 页脚 */
.z6c57cfooter {
    border-top: 1px solid rgba(71, 127, 255, 0.6);
    background: radial-gradient(circle at top, #081227, #020612 60%, #010309 100%);
    padding: 16px 16px 22px;
}

.z6c57cfooter-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.z6c57cfooter-text {
    margin: 0 0 8px;
    font-size: 12px;
    line-height: 1.8;
    color: #a4bfff;
}

.z6c57cfooter-copy {
    margin: 0;
    font-size: 11px;
    color: #748fff;
}

/* 响应式布局 */
@media (max-width: 1024px) {
    .z6c57chero-frame {
        grid-template-columns: minmax(0, 1.2fr) 220px;
    }

    .z6c57chero-image {
        max-width: 220px;
    }

    .z6c57cfeature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .z6c57cfeature-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .z6c57cdownload-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .z6c57cfaq-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .z6c57cfaq-intro {
        position: static;
    }

    .z6c57cguide-columns {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .z6c57cfaq-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .z6c57cstats-inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        row-gap: 10px;
    }
}

@media (max-width: 768px) {
    .z6c57cheader-inner {
        flex-wrap: wrap;
        align-items: center;
        gap: 0;
        padding: 12px 14px;
    }

    .z6c57clogo-area {
        flex: 1;
        min-width: 0;
    }

    .z6c57clogo-img {
        width: 96px;
    }

    .z6c57clogo-text {
        font-size: 14px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .z6c57cnav-toggle-label {
        display: inline-flex;
        flex-shrink: 0;
        margin-left: 8px;
    }

    .z6c57cnav {
        flex: 1 0 100%;
        width: 100%;
        order: 10;
        position: static;
        margin: 0;
        padding: 4px 0 8px;
        flex-direction: column;
        flex-wrap: nowrap;
        gap: 0;
        background: transparent;
        border-top: 1px solid rgba(81, 141, 255, 0.25);
        display: none;
    }

    .z6c57cnav-link {
        display: block;
        padding: 12px 2px;
        font-size: 15px;
        border-bottom: 1px solid rgba(81, 141, 255, 0.12);
    }

    .z6c57cnav-link:last-child {
        border-bottom: none;
    }

    .z6c57cnav-link::after {
        display: none;
    }

    .z6c57cnav-toggle:checked ~ .z6c57cnav {
        display: flex;
    }

    .z6c57cnav-toggle:checked + .z6c57cnav-toggle-label span:nth-child(1) {
        transform: translateY(4px) rotate(45deg);
    }
    .z6c57cnav-toggle:checked + .z6c57cnav-toggle-label span:nth-child(2) {
        opacity: 0;
    }
    .z6c57cnav-toggle:checked + .z6c57cnav-toggle-label span:nth-child(3) {
        transform: translateY(-4px) rotate(-45deg);
    }

    .z6c57cmain {
        padding: 16px 12px 32px;
    }

    .z6c57chero-frame {
        grid-template-columns: minmax(0, 1fr);
        padding: 18px 16px;
        gap: 16px;
    }

    .z6c57chero-center {
        order: 1;
    }

    .z6c57chero-title {
        font-size: 22px;
    }

    .z6c57chero-subtitle {
        font-size: 13px;
    }

    .z6c57chero-visual {
        order: 2;
    }

    .z6c57chero-image {
        max-width: 220px;
        margin: 0 auto;
        display: block;
    }

    .z6c57ccta-group {
        flex-direction: column;
        gap: 8px;
    }

    .z6c57ccta-pill {
        width: 100%;
        white-space: normal;
        text-align: center;
        padding: 11px 18px;
    }

    .z6c57chero-tag {
        flex: 1 1 auto;
        text-align: center;
    }

    .z6c57csection-head-center {
        text-align: left;
    }

    .z6c57cfeature-grid,
    .z6c57cguide-columns,
    .z6c57cfaq-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .z6c57cfeature-strip {
        grid-template-columns: minmax(0, 1fr);
        gap: 10px;
    }

    .z6c57cdownload-layout {
        gap: 16px;
    }

    .z6c57cplatform-row {
        display: grid;
        grid-template-columns: 44px 1fr;
        grid-template-rows: auto auto;
        gap: 6px 12px;
        align-items: start;
    }

    .z6c57cplatform-icon {
        grid-row: 1 / 3;
        align-self: center;
    }

    .z6c57cplatform-body {
        grid-column: 2;
        min-width: 0;
    }

    .z6c57cplatform-btn {
        grid-column: 1 / -1;
        width: 100%;
        margin-top: 4px;
        padding: 10px 16px;
    }

    .z6c57cfaq-layout {
        gap: 16px;
    }

    .z6c57cfaq-intro {
        padding: 14px;
    }

    .z6c57cstats-inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding: 14px 16px;
        row-gap: 8px;
    }

    .z6c57cstat-item::before {
        display: none;
    }

    .z6c57csection {
        padding: 16px 14px;
        margin-bottom: 20px;
    }

    .z6c57chome-article-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .z6c57chome-article-title {
        padding: 8px 10px 10px;
        font-size: 12px;
    }

    .z6c57ccontent-layout {
        gap: 16px;
    }

    .z6c57csection-list,
    .z6c57csection-article {
        padding: 16px 14px;
    }

    .z6c57clist-title {
        font-size: 16px;
    }

    .z6c57carticle-title {
        font-size: 20px;
    }

    .z6c57carticle-meta {
        gap: 10px;
        font-size: 12px;
    }

    .z6c57cprenext {
        flex-direction: column;
        gap: 12px;
    }

    .z6c57cprenext-next {
        text-align: left;
    }

    .z6c57cpages .pagelist {
        gap: 4px;
    }

    .z6c57cpages .pagelist a,
    .z6c57cpages .pagelist span {
        padding: 8px 10px;
        font-size: 12px;
        margin: 0 1px;
    }

    .z6c57cpages .pagelist .pagepre,
    .z6c57cpages .pagelist .pagenext {
        margin-left: 0;
        margin-right: 0;
    }

    .z6c57csidebar-block {
        padding: 14px 12px;
    }

    .z6c57csidebar-list {
        max-height: 320px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
}

@media (max-width: 480px) {
    .z6c57cheader-inner {
        padding: 10px 12px;
    }

    .z6c57clogo-img {
        width: 80px;
    }

    .z6c57clogo-text {
        font-size: 13px;
        max-width: 100px;
    }

    .z6c57cmain {
        padding: 12px 10px 28px;
    }

    .z6c57chero-frame {
        padding: 14px 12px;
    }

    .z6c57chero-title {
        font-size: 20px;
    }

    .z6c57chero-image {
        max-width: 180px;
    }

    .z6c57csection {
        padding: 14px 12px;
        margin-bottom: 16px;
    }

    .z6c57cdownload-intro,
    .z6c57cfaq-intro {
        padding: 12px;
    }

    .z6c57cfooter {
        padding: 14px 12px 18px;
    }

    .z6c57cstats-inner {
        grid-template-columns: minmax(0, 1fr);
        padding: 12px 14px;
    }

    .z6c57cstat-value {
        font-size: 20px;
    }

    .z6c57chero-tags {
        flex-direction: column;
        gap: 6px;
    }

    .z6c57chero-tag {
        font-size: 11px;
        padding: 6px 10px;
        text-align: left;
    }

    .z6c57chome-article-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .z6c57creason-footnote {
        padding: 10px 12px;
        font-size: 12px;
        text-align: left;
    }

    .z6c57cfaq-summary {
        font-size: 13px;
        padding-right: 24px;
    }

    .z6c57carticle-litpic {
        width: 100%;
        height: auto;
        aspect-ratio: 3 / 2;
    }

    .z6c57crelated-item {
        flex-direction: column;
    }

    .z6c57crelated-thumb {
        width: 100%;
        height: auto;
        aspect-ratio: 3 / 2;
    }

    .z6c57csidebar-thumb {
        width: 52px;
        height: 40px;
    }
}

/* 内容页 / 列表页 两栏布局 */
.z6c57ccontent-layout {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 24px;
    align-items: start;
}

.z6c57ccontent-primary {
    min-width: 0;
}

/* 侧栏 */
.z6c57csidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.z6c57csidebar-block {
    padding: 16px 14px;
    border-radius: 16px;
    border: 1px solid rgba(90, 144, 255, 0.4);
    background: linear-gradient(145deg, rgba(3, 8, 24, 0.96), rgba(4, 10, 26, 0.98));
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.75);
}

.z6c57csidebar-title {
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(104, 154, 255, 0.5);
    font-size: 15px;
    font-weight: 600;
}

.z6c57csidebar-title a {
    color: #ffffff;
    text-decoration: none;
}

.z6c57csidebar-title a:hover {
    color: #69f4ff;
}

.z6c57csidebar-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.z6c57csidebar-item {
    border-bottom: 1px solid rgba(81, 120, 200, 0.25);
}

.z6c57csidebar-item:last-child {
    border-bottom: none;
}

.z6c57csidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    text-decoration: none;
    color: #c4d8ff;
    transition: color 0.2s ease;
}

.z6c57csidebar-link:hover {
    color: #ffffff;
}

.z6c57csidebar-thumb {
    flex-shrink: 0;
    width: 64px;
    height: 48px;
    border-radius: 6px;
    overflow: hidden;
    background: rgba(5, 16, 50, 0.9);
    border: 1px solid rgba(103, 157, 255, 0.5);
}

.z6c57csidebar-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.z6c57csidebar-text {
    flex: 1;
    font-size: 13px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 列表页 */
.z6c57csection-list {
    padding: 24px 20px;
}

.z6c57clistbox {
    margin-top: 8px;
}

.z6c57clist-items {
    margin: 0;
    padding: 0;
    list-style: none;
}

.z6c57clist-item {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(81, 120, 200, 0.3);
}

.z6c57clist-item:last-child {
    border-bottom: none;
}

.z6c57clist-thumb {
    flex-shrink: 0;
    width: 200px;
    height: 134px;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(5, 16, 50, 0.9);
    border: 1px solid rgba(103, 157, 255, 0.6);
}

.z6c57clist-thumb a {
    display: block;
    width: 100%;
    height: 100%;
}

.z6c57clist-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.25s ease;
}

.z6c57clist-item:hover .z6c57clist-thumb img {
    transform: scale(1.04);
}

.z6c57clist-body {
    flex: 1;
    min-width: 0;
}

.z6c57clist-title {
    margin: 0 0 8px;
    font-size: 17px;
    line-height: 1.4;
}

.z6c57clist-title a {
    color: #f5fbff;
    text-decoration: none;
    transition: color 0.2s ease;
}

.z6c57clist-title a:hover {
    color: #69f4ff;
}

.z6c57clist-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 12px;
    color: #8fa8e0;
}

.z6c57clist-meta a {
    color: #7fe3ff;
    text-decoration: none;
}

.z6c57clist-meta a:hover {
    color: #ffffff;
}

.z6c57clist-desc {
    margin: 0;
    font-size: 13px;
    line-height: 1.7;
    color: #a4c0ff;
}

/* 分页 - 左右布局 */
.z6c57cpagebar {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(104, 154, 255, 0.4);
}

.z6c57cpages {
    display: flex;
    align-items: center;
    justify-content: center;
}

.z6c57cpages .pagelist {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin: 0;
    padding: 0;
    list-style: none;
    gap: 6px;
    position: relative;
}

.z6c57cpages .pagelist li {
    display: inline-flex;
    align-items: center;
}

.z6c57cpages .pagelist .pagepre {
    margin-right: auto;
}

.z6c57cpages .pagelist .pagenext {
    margin-left: auto;
}

.z6c57cpages .pagelist a,
.z6c57cpages .pagelist span {
    display: inline-block;
    padding: 6px 12px;
    margin: 0 3px;
    border-radius: 8px;
    font-size: 13px;
    color: #c4d8ff;
    text-decoration: none;
    border: 1px solid rgba(103, 157, 255, 0.5);
    background: rgba(5, 16, 50, 0.8);
    transition: background 0.2s ease, color 0.2s ease;
}

.z6c57cpages .pagelist a:hover {
    background: rgba(61, 123, 255, 0.5);
    color: #ffffff;
}

.z6c57cpages .pagelist .thisclass,
.z6c57cpages .pagelist .current {
    background: linear-gradient(135deg, #0df2ff, #3a7bff);
    color: #020816;
    border-color: rgba(4, 239, 255, 0.9);
}

/* 内容页 */
.z6c57csection-article {
    padding: 24px 22px;
}

.z6c57carticle-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(104, 154, 255, 0.4);
}

.z6c57carticle-title {
    margin: 0 0 12px;
    font-size: 24px;
    line-height: 1.4;
    color: #ffffff;
}

.z6c57carticle-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: #8fa8e0;
}

.z6c57carticle-meta a {
    color: #7fe3ff;
    text-decoration: none;
}

.z6c57carticle-meta a:hover {
    color: #ffffff;
}

.z6c57carticle-litpic {
    margin-bottom: 20px;
    width: 480px;
    max-width: 100%;
    height: 320px;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(103, 157, 255, 0.6);
    background: rgba(5, 16, 50, 0.9);
}

.z6c57carticle-litpic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.z6c57carticle-body {
    font-size: 15px;
    line-height: 1.85;
    color: #d0e0ff;
    word-wrap: break-word;
    word-break: break-word;
}

.z6c57carticle-body img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 12px 0;
}

.z6c57carticle-body p {
    margin: 0 0 14px;
}

.z6c57cdiyfield {
    margin: 16px 0;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(5, 16, 50, 0.7);
    border: 1px dashed rgba(116, 166, 255, 0.6);
    font-size: 13px;
    color: #a9c7ff;
}

.z6c57cdiyfield img {
    width: 160px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid rgba(103, 157, 255, 0.5);
}

.z6c57carticle-images {
    margin: 20px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.z6c57carticle-figure {
    margin: 0;
    width: 160px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(103, 157, 255, 0.5);
    background: rgba(5, 16, 50, 0.9);
}

.z6c57carticle-figure img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
}

.z6c57carticle-figure figcaption {
    padding: 8px 12px;
    font-size: 12px;
    color: #a4c0ff;
    background: rgba(5, 12, 32, 0.95);
}

.z6c57cmeta-tags {
    margin: 20px 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.z6c57ctagitem a {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    color: #c4d8ff;
    text-decoration: none;
    background: rgba(5, 16, 50, 0.9);
    border: 1px solid rgba(103, 157, 255, 0.6);
    transition: background 0.2s ease, color 0.2s ease;
}

.z6c57ctagitem a:hover {
    background: rgba(61, 123, 255, 0.5);
    color: #ffffff;
}

.z6c57cprenext {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin: 24px 0;
    padding: 16px 0;
    border-top: 1px solid rgba(104, 154, 255, 0.4);
    border-bottom: 1px solid rgba(104, 154, 255, 0.4);
}

.z6c57cprenext-item {
    flex: 1;
    min-width: 0;
    font-size: 13px;
}

.z6c57cprenext-pre {
    text-align: left;
}

.z6c57cprenext-next {
    text-align: right;
}

.z6c57cprenext-label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    color: #8fa8e0;
}

.z6c57cprenext-item a {
    color: #7fe3ff;
    text-decoration: none;
}

.z6c57cprenext-item a:hover {
    color: #ffffff;
}

.z6c57crelated {
    margin-top: 24px;
}

.z6c57crelated-title {
    margin: 0 0 14px;
    font-size: 18px;
    color: #ffffff;
}

.z6c57crelated-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.z6c57crelated-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(81, 120, 200, 0.25);
}

.z6c57crelated-item:last-child {
    border-bottom: none;
}

.z6c57crelated-thumb {
    flex-shrink: 0;
    width: 100px;
    height: 75px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(103, 157, 255, 0.5);
}

.z6c57crelated-thumb a {
    display: block;
    width: 100%;
    height: 100%;
}

.z6c57crelated-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.z6c57crelated-body {
    flex: 1;
    min-width: 0;
}

.z6c57crelated-link {
    display: block;
    margin-bottom: 4px;
    font-size: 14px;
    color: #f5fbff;
    text-decoration: none;
}

.z6c57crelated-link:hover {
    color: #69f4ff;
}

.z6c57crelated-desc {
    margin: 0;
    font-size: 12px;
    line-height: 1.6;
    color: #a4c0ff;
}

/* 首页文章板块 */
.z6c57carticles-head {
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(81, 141, 255, 0.2);
}

.z6c57chome-article-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.z6c57chome-article-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(5, 16, 50, 0.55);
    border: 1px solid rgba(81, 141, 255, 0.3);
    transition: border-color 0.2s ease;
}

.z6c57chome-article-card:hover {
    border-color: rgba(13, 242, 255, 0.45);
}

.z6c57chome-article-thumb {
    display: block;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background: rgba(3, 9, 28, 0.9);
}

.z6c57chome-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.25s ease;
}

.z6c57chome-article-card:hover .z6c57chome-article-thumb img {
    transform: scale(1.05);
}

.z6c57chome-article-title {
    margin: 0;
    padding: 10px 12px 12px;
    font-size: 13px;
    line-height: 1.5;
}

.z6c57chome-article-title a {
    color: #f5fbff;
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.z6c57chome-article-title a:hover {
    color: #69f4ff;
}


.clear {
    clear: both;
}

/* 内容页 / 列表页 / 首页文章 响应式 */
@media (max-width: 1024px) {
    .z6c57ccontent-layout {
        grid-template-columns: minmax(0, 1fr) 260px;
        gap: 18px;
    }

    .z6c57chome-article-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .z6c57clist-thumb {
        width: 160px;
        height: 107px;
    }
}

@media (max-width: 768px) {
    .z6c57ccontent-layout {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .z6c57csidebar {
        order: 2;
    }

    .z6c57ccontent-primary {
        order: 1;
    }

    .z6c57clist-item {
        flex-direction: column;
        gap: 12px;
        padding: 14px 0;
    }

    .z6c57clist-thumb {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 10;
    }
}

@media (max-width: 480px) {
    .z6c57carticle-images {
        justify-content: center;
    }

    .z6c57clist-meta {
        gap: 8px;
    }
}