/*
 * PCL2 风格样式表。
 *
 * 配色直接取自 PCL 的 Application.xaml（龙猫蓝主题）：
 *   ColorBrush1 #404040 / ColorBrush2 #0B5BCB / ColorBrush3 #1370F3
 *   ColorBrush4 #4890F5 / ColorBrush5 #96C0F9 / ColorBrush6 #D5E6FD
 *   ColorBrush7 #E0EAFD / ColorBrush8 #EAF2FE
 * 卡片 = 白底 + 5px 圆角 + 淡阴影，标题栏带下划线，和 PCL 的 MyCard 一致。
 */

:root {
    --c1: #404040;
    --c2: #0B5BCB;
    --c3: #1370F3;
    --c4: #4890F5;
    --c5: #96C0F9;
    --c6: #D5E6FD;
    --c7: #E0EAFD;
    --c8: #EAF2FE;
    --bg: #F3F6FB;
    --line: #EDF1F7;
    --gray2: #737373;
    --gray3: #8C8C8C;
    --red: #CE2111;
    --green: #2E9B4E;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--c1);
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Noto Sans CJK SC', sans-serif;
    font-size: 14px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    /* 手机上「往右滑是一片空白」= 某个子元素把文档撑宽了。
       导航已经改成自适应，这里再兜一层：宽度超出视口的部分直接裁掉。
       用 clip 而不是 hidden —— hidden 会把 body 变成滚动容器，顶栏的
       position: sticky 就失效了。 */
    overflow-x: clip;
}

/* ---------------------------------------------------------------- 图标 */
/*
 * 图标是 SVG（stroke #333），这里用 mask 上色：
 * background-color: currentColor + mask-image，图标颜色就跟着文字走，
 * 蓝色卡片上白字、按钮里蓝字都只需要改 color，不用准备多套文件。
 * 具体图标的 url 在 /static/icons.css 里，由脚本按文件名生成。
 */
.ico {
    display: inline-block;
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    vertical-align: -3px;
    background-color: currentColor;
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.ico-sm { width: 15px; height: 15px; vertical-align: -2px; }
.ico-lg { width: 22px; height: 22px; }

a { color: var(--c3); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------------------------------------------------------- 顶部导航 */

.nav {
    background: linear-gradient(90deg, var(--c2), var(--c3) 55%, var(--c4));
    color: #fff;
    box-shadow: 0 1px 6px rgba(11, 91, 203, .28);
    position: sticky;
    top: 0;
    z-index: 50;
}

.nav-inner {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px;
    height: 52px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 9px;
    color: #fff;
    font-weight: bold;
    font-size: 16px;
}
.brand:hover { text-decoration: none; }

.brand-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    background: rgba(255, 255, 255, .18);
    font-size: 15px;
    color: #fff;
}

.brand-logo .ico { width: 16px; height: 16px; }

.nav-links {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-links a {
    color: rgba(255, 255, 255, .9);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 13.5px;
}
.nav-links a:hover { background: rgba(255, 255, 255, .16); text-decoration: none; }
.nav-links a.active { background: rgba(255, 255, 255, .22); color: #fff; font-weight: bold; }
.nav-links a.nav-admin { opacity: .8; }

/*
 * 窄屏导航。
 *
 * 以前 7 个链接一行排开且不换行，整条导航比手机屏幕宽，浏览器就允许
 * 左右拖动 —— 往右滑看到的那片「空白」其实是文档多出来的宽度。
 * 现在品牌占一行、链接单独一行并且横向滚动，文档宽度回到 100%。
 */
@media (max-width: 760px) {
    .nav-inner {
        height: auto;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 14px 0;
    }

    .brand { padding-bottom: 4px; }

    .nav-links {
        margin-left: 0;
        gap: 2px;
        padding-bottom: 6px;
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links::-webkit-scrollbar { display: none; }

    .nav-links a {
        flex: 0 0 auto;
        padding: 6px 10px;
        font-size: 13px;
        white-space: nowrap;
    }
}

/* ---------------------------------------------------------------- 布局 */

.wrap {
    max-width: 980px;
    margin: 0 auto;
    padding: 22px 20px 40px;
}

@media (max-width: 760px) {
    .wrap { padding: 14px 12px 28px; }
    .card-head { padding: 11px 14px; }
    .card-body { padding: 14px; }
    .hero { padding: 22px 16px; }
    .hero h1 { font-size: 21px; }
    .hero-sub { font-size: 13.5px; }
    .btn { padding: 0 14px; }
    .foot { padding: 0 14px 28px; }
}

.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 5px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .06);
    margin-bottom: 16px;
    overflow: hidden;
}

.card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-bottom: 1px solid var(--line);
}

.card-head h2 {
    margin: 0;
    font-size: 15px;
    color: var(--c1);
    flex: 1;
}

.card-body { padding: 16px 18px; }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 760px) {
    .grid-2 { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------- 首页 Hero */

.hero {
    background: linear-gradient(120deg, #FFFFFF, var(--c8));
    padding: 30px 26px;
}

.hero h1 {
    margin: 0 0 8px;
    font-size: 26px;
    color: var(--c2);
    letter-spacing: .5px;
}

.hero-sub {
    margin: 0 0 18px;
    color: var(--gray2);
    font-size: 14px;
}

.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- 按钮 */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 18px;
    border: 1px solid #C8D8EE;
    border-radius: 4px;
    background: #fff;
    color: var(--c1);
    font-size: 13.5px;
    cursor: pointer;
    font-family: inherit;
    transition: background .12s, border-color .12s, color .12s;
}
.btn:hover { background: var(--c8); border-color: var(--c5); text-decoration: none; }

.btn.primary {
    background: var(--c3);
    border-color: var(--c3);
    color: #fff;
}
.btn.primary:hover { background: var(--c2); border-color: var(--c2); }

.btn.danger {
    background: #fff;
    border-color: #E8A5A5;
    color: var(--red);
}
.btn.danger:hover { background: #FBDDDD; }

.btn.small { height: 28px; padding: 0 12px; font-size: 12.5px; }

.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------------------------------------------------------------- 文案卡片 */

.quote-card {
    display: flex;
    flex-direction: column;
}

.quote-card blockquote {
    margin: 16px 18px;
    padding: 14px 16px;
    background: var(--c8);
    border-left: 3px solid var(--c3);
    border-radius: 2px;
    color: var(--c1);
    font-size: 14px;
    line-height: 1.8;
    flex: 1;
}

.quote-card .card-foot {
    padding: 0 18px 16px;
}

.badge {
    background: var(--c8);
    color: var(--c2);
    border-radius: 10px;
    padding: 2px 9px;
    font-size: 11.5px;
}

/* ---------------------------------------------------------------- 表单 */

.form-row { margin-bottom: 16px; }

.form-label {
    display: block;
    margin-bottom: 6px;
    color: var(--c1);
    font-size: 13.5px;
}
.form-label .hint { color: var(--gray3); font-size: 12px; margin-left: 6px; }

.input, .textarea {
    width: 100%;
    border: 1px solid #DDE5F0;
    border-radius: 4px;
    background: #fff;
    padding: 9px 11px;
    font-size: 14px;
    font-family: inherit;
    color: var(--c1);
    outline: none;
    transition: border-color .12s;
}
.input:focus, .textarea:focus { border-color: var(--c5); }
.textarea { min-height: 120px; resize: vertical; line-height: 1.7; }

.type-switch { display: flex; gap: 8px; margin-bottom: 18px; }

.type-pill {
    padding: 8px 18px;
    border: 1px solid #DDE5F0;
    border-radius: 4px;
    background: #fff;
    color: var(--c1);
    font-size: 13.5px;
    cursor: pointer;
}
.type-pill:hover { border-color: var(--c5); text-decoration: none; }
.type-pill.active {
    background: var(--c3);
    border-color: var(--c3);
    color: #fff;
}

.captcha-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.captcha-question {
    background: var(--c8);
    border: 1px dashed var(--c5);
    border-radius: 4px;
    padding: 7px 14px;
    font-family: Consolas, monospace;
    font-size: 15px;
    color: var(--c2);
    min-width: 110px;
    text-align: center;
}

.captcha-row .input { width: 120px; }

/* ---------------------------------------------------------------- 提示条 */

.alert {
    padding: 10px 14px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 13.5px;
    border-left: 3px solid var(--c3);
    background: var(--c8);
}
.alert.error { background: #FBDDDD; border-left-color: var(--red); color: var(--red); }
.alert.ok { background: #E4F6E9; border-left-color: var(--green); color: var(--green); }

/* ---------------------------------------------------------------- 后台 */

.admin-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tabs { display: flex; gap: 6px; flex-wrap: wrap; }

.tab {
    padding: 7px 16px;
    border: 1px solid #DDE5F0;
    border-radius: 4px;
    background: #fff;
    color: var(--c1);
    font-size: 13px;
}
.tab:hover { text-decoration: none; border-color: var(--c5); }
.tab.active { background: var(--c3); border-color: var(--c3); color: #fff; }

.admin-stats {
    margin-left: auto;
    color: var(--gray3);
    font-size: 12.5px;
}

.item {
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
}
.item:last-child { border-bottom: none; }

.item-text {
    font-size: 14px;
    line-height: 1.75;
    margin-bottom: 8px;
    white-space: pre-wrap;
    word-break: break-word;
}

.item-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray3);
    font-size: 12px;
    flex-wrap: wrap;
}

.tag {
    background: var(--c8);
    color: var(--c2);
    border-radius: 3px;
    padding: 1px 7px;
    font-size: 11.5px;
}

.item-actions {
    margin-left: auto;
    display: flex;
    gap: 6px;
}

.empty {
    padding: 48px 20px;
    text-align: center;
    color: var(--gray3);
    font-size: 13.5px;
}

/* ---------------------------------------------------------------- 登录 */

.login-wrap {
    max-width: 380px;
    margin: 60px auto;
}

.login-wrap .card-head { justify-content: center; }

/* ---------------------------------------------------------------- 其它 */

.mono {
    font-family: Consolas, monospace;
    font-size: 12.5px;
    background: var(--c8);
    border-radius: 3px;
    padding: 3px 8px;
    display: inline-block;
    margin: 3px 0;
    color: var(--c2);
}

.foot {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 20px 40px;
    color: var(--gray3);
    font-size: 12.5px;
    text-align: center;
}

.muted { color: var(--gray3); }

/* ---------------------------------------------------------------- 特性网格 */

.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 22px;
    margin-top: 12px;
}
@media (max-width: 760px) {
    .features { grid-template-columns: 1fr; }
}

.feature {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.feature .fi {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    background: var(--c8);
    color: var(--c3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    font-size: 16px;
}

.feature .fi .ico { width: 17px; height: 17px; }

.feature .ft { font-size: 13.5px; line-height: 1.65; color: var(--c1); }

/* ---------------------------------------------------------------- 公告 */

.ann {
    border-left: 3px solid var(--c3);
    background: var(--c8);
    border-radius: 4px;
    padding: 10px 14px;
    margin-bottom: 10px;
}
.ann:last-child { margin-bottom: 0; }

.ann-warn { border-left-color: #E0A93A; background: #FDF6E3; }
.ann-good { border-left-color: var(--green); background: #E9F7EE; }

.ann-head {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.ann-tag {
    font-size: 11.5px;
    padding: 1px 7px;
    border-radius: 3px;
    background: #fff;
    color: var(--c2);
    border: 1px solid var(--c5);
    white-space: nowrap;
}
.ann-warn .ann-tag, .ann-tag.ann-warn { color: #9A6A00; border-color: #E8C87A; }
.ann-good .ann-tag, .ann-tag.ann-good { color: #1F7A3E; border-color: #A8DCB9; }

.ann-title { font-weight: bold; font-size: 14px; }
.ann-time { margin-left: auto; color: var(--gray3); font-size: 12px; }

.ann-body {
    margin-top: 6px;
    white-space: pre-wrap;
    line-height: 1.75;
    font-size: 13.5px;
    word-break: break-word;
}

.ann-preview {
    margin: 6px 0 8px;
    color: var(--gray2);
    font-size: 13px;
    white-space: pre-wrap;
}

/* ---------------------------------------------------------------- 下载列表 */

.sub-title {
    font-size: 13.5px;
    color: var(--c2);
    margin: 0 0 10px;
    padding-left: 8px;
    border-left: 3px solid var(--c3);
}

.dl-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 18px;
}

.dl-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: #FCFDFF;
}
@media (max-width: 600px) { .dl-row { flex-wrap: wrap; } }

.dl-icon {
    width: 30px;
    height: 30px;
    border-radius: 7px;
    background: var(--c8);
    color: var(--c2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    font-size: 16px; /* 后台填的 emoji 也还能用 */
}

.dl-icon .ico { width: 18px; height: 18px; }
.dl-main { flex: 1; min-width: 0; }
.dl-name { font-weight: bold; font-size: 13.5px; }
.dl-desc { color: var(--gray2); font-size: 12.5px; }

/* ---------------------------------------------------------------- 表格 */

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 4px;
}

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

.table th {
    text-align: left;
    font-weight: normal;
    color: var(--gray2);
    background: #F7FAFF;
    padding: 9px 12px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}

.table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}

.table tr:last-child td { border-bottom: none; }
.table .col-action { text-align: right; white-space: nowrap; }

.apk-name { font-weight: bold; font-size: 13.5px; }

/* ---------------------------------------------------------------- FAQ */

.faq { border-bottom: 1px solid var(--line); padding: 10px 0; }
.faq:last-child { border-bottom: none; }

.faq summary {
    cursor: pointer;
    font-size: 13.5px;
    color: var(--c1);
    font-weight: bold;
}
.faq summary::marker { color: var(--c3); }

.faq p {
    margin: 8px 0 0;
    color: var(--gray2);
    font-size: 13px;
    line-height: 1.8;
}

/* ---------------------------------------------------------------- 后台表单 */

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 18px;
}
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

.check-line {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    margin-bottom: 6px;
}
.check-line input { width: 15px; height: 15px; }

.inline-edit {
    margin-top: 8px;
    border-top: 1px dashed var(--line);
    padding-top: 8px;
}
.inline-edit summary { cursor: pointer; color: var(--c3); font-size: 12.5px; }
.inline-edit form { margin-top: 10px; }

/* ---------------------------------------------------------------- 上传进度条 */

.up-box { margin-top: 12px; }

.up-bar {
    height: 8px;
    border-radius: 4px;
    background: var(--c7);
    overflow: hidden;
}

.up-fill {
    height: 100%;
    width: 0;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--c3), var(--c4));
    transition: width .2s linear;
}

.up-fill-error { background: var(--red); }

.up-text {
    margin-top: 6px;
    font-size: 12.5px;
    color: var(--gray2);
    word-break: break-all;
}

.up-text-error { color: var(--red); }

/* ---------------------------------------------------------------- 截图展示 */

.shots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 16px;
}

@media (max-width: 760px) {
    .shots { grid-template-columns: repeat(2, 1fr); gap: 8px; }
}

.shot {
    position: relative;
    display: block;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 5px;
    overflow: hidden;
    background: var(--c2);
    cursor: zoom-in;
    padding: 0;
    line-height: 0;
}

.shot img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform .25s ease;
}

.shot:hover img { transform: scale(1.04); }

.shot span {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 12px 8px 5px;
    font-size: 11.5px;
    line-height: 1.4;
    color: #fff;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, .55));
    text-align: left;
}

/* 点开看大图 */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(8, 20, 40, .84);
}

.lightbox.on { display: flex; }

.lightbox img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 6px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, .55);
}

.lightbox-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, .18);
    color: #fff;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
}

.lightbox-close:hover { background: rgba(255, 255, 255, .3); }

/* ---------------------------------------------------------------- 意见反馈 */

.fb-cats { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }

.fb-cat {
    padding: 7px 16px;
    border: 1px solid #DDE5F0;
    border-radius: 4px;
    background: #fff;
    color: var(--c1);
    font-size: 13px;
    cursor: pointer;
    font-family: inherit;
}

.fb-cat:hover { border-color: var(--c5); }

.fb-cat.active {
    background: var(--c3);
    border-color: var(--c3);
    color: #fff;
}

.fb-cat .ico { width: 15px; height: 15px; margin-right: 5px; vertical-align: -3px; }

.fb-tip {
    margin: 0 0 4px;
    color: var(--gray3);
    font-size: 12.5px;
}

.fb-count {
    float: right;
    color: var(--gray3);
    font-size: 12px;
    font-weight: normal;
}

.fb-item-cat {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.fb-item-cat .ico { width: 14px; height: 14px; }

.fb-contact {
    color: var(--gray2);
    font-size: 12.5px;
    word-break: break-all;
}

/* ------------------------------------------------------------ 拼图验证码 */

.slider-captcha {
    max-width: 340px;
}

.sc-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 2 / 1;
    border-radius: 12px;
    overflow: hidden;
    background: #E8EFFA;
    border: 1px solid rgba(14, 34, 66, .1);
}

.sc-bg {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: fill;
}

/* 拼图块：位置由 JS 按百分比算，尺寸按原图比例给，缩放时不会错位 */
.sc-piece {
    position: absolute;
    top: 0;
    left: 0;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(6, 26, 60, .35));
    will-change: left;
    pointer-events: none;
}

.sc-tip {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12.5px;
    color: #5A6B85;
    background: rgba(232, 239, 250, .92);
}

.slider-captcha[data-state="ready"] .sc-tip,
.slider-captcha[data-state="dragging"] .sc-tip,
.slider-captcha[data-state="filled"] .sc-tip { display: none; }

.sc-track {
    position: relative;
    height: 44px;
    margin-top: 10px;
    border-radius: 12px;
    background: rgba(232, 240, 252, .9);
    border: 1px solid rgba(14, 34, 66, .08);
    overflow: hidden;
    user-select: none;
}

.sc-fill {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 0;
    background: rgba(19, 112, 243, .16);
}

.sc-knob {
    position: absolute;
    top: 3px;
    left: 4px;
    width: 44px;
    height: 36px;
    border-radius: 9px;
    background: #fff;
    border: 1px solid rgba(14, 34, 66, .12);
    box-shadow: 0 6px 14px -8px rgba(11, 60, 140, .7);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-2, #1370F3);
    cursor: grab;
    touch-action: none;
    transition: box-shadow .15s ease;
}

.sc-knob:active { cursor: grabbing; }

.slider-captcha[data-state="dragging"] .sc-knob {
    box-shadow: 0 10px 20px -10px rgba(11, 60, 140, .85);
}

.sc-knob .ico { width: 16px; height: 16px; pointer-events: none; }

.sc-hint {
    position: absolute;
    left: 58px;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12.5px;
    color: #8391A6;
    text-align: center;
    pointer-events: none;
}

.sc-foot {
    display: flex;
    justify-content: flex-end;
    margin-top: 6px;
}

.sc-refresh {
    background: none;
    border: none;
    padding: 2px 4px;
    font-size: 12.5px;
    font-family: inherit;
    color: var(--blue-2, #1370F3);
    cursor: pointer;
}

.sc-refresh:hover { text-decoration: underline; }

.slider-captcha[data-state="loading"] .sc-track,
.slider-captcha[data-state="error"] .sc-track {
    opacity: .55;
    pointer-events: none;
}