/* =========================================================================
   潮汐音频资源分享 - 前台样式
   1. 变量与基础   2. 通用组件   3. 头部导航   4. 首页
   5. 资源卡片     6. 侧栏       7. 列表页     8. 详情页
   9. 关于页      10. 页脚       11. 响应式
   ========================================================================= */

/* 1. 变量与基础 ---------------------------------------------------------- */
:root {
    --bg: #f4f6fb;
    --bg-soft: #edf1f8;
    --surface: #ffffff;
    --surface-2: #f6f8fc;
    --surface-3: #eef2f9;
    --text: #0b1a2b;
    --text-2: #3c4f66;
    --muted: #6b7d94;
    --line: #e3e9f2;
    --line-strong: #d3dce8;
    --brand: #0d879f;
    --brand-strong: #0a6f83;
    --brand-2: #2f6bff;
    --brand-soft: #e8f6f9;
    --brand-softer: #f2fbfd;
    --accent: #f43f5e;
    --success: #0f9f6e;
    --grad: linear-gradient(120deg, #0e8ea8 0%, #2f6bff 100%);
    --grad-soft: linear-gradient(120deg, rgba(14, 142, 168, .12), rgba(47, 107, 255, .12));
    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow-sm: 0 1px 2px rgba(12, 28, 48, .04), 0 10px 28px -20px rgba(12, 28, 48, .25);
    --shadow-md: 0 2px 4px rgba(12, 28, 48, .05), 0 24px 48px -30px rgba(12, 28, 48, .35);
    --shadow-lg: 0 30px 70px -34px rgba(8, 22, 42, .45);
    --header-h: 68px;
    --font: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
    --mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

[data-theme="dark"] {
    --bg: #070d16;
    --bg-soft: #0a1220;
    --surface: #0e1725;
    --surface-2: #121d2f;
    --surface-3: #16233a;
    --text: #e8eff9;
    --text-2: #b4c3d6;
    --muted: #8296af;
    --line: #1d2b3f;
    --line-strong: #27374e;
    --brand: #38c6dd;
    --brand-strong: #6ad8e9;
    --brand-2: #6b93ff;
    --brand-soft: rgba(56, 198, 221, .12);
    --brand-softer: rgba(56, 198, 221, .06);
    --grad: linear-gradient(120deg, #0b7f96 0%, #2a5cd8 100%);
    --grad-soft: linear-gradient(120deg, rgba(56, 198, 221, .12), rgba(107, 147, 255, .12));
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4), 0 12px 28px -20px rgba(0, 0, 0, .8);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, .4), 0 24px 48px -30px rgba(0, 0, 0, .85);
    --shadow-lg: 0 34px 80px -34px rgba(0, 0, 0, .9);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(900px 500px at 85% -10%, rgba(47, 107, 255, .08), transparent 60%),
        radial-gradient(700px 400px at 5% 0%, rgba(14, 142, 168, .09), transparent 55%);
}

[data-theme="dark"] body::before {
    background:
        radial-gradient(900px 500px at 85% -10%, rgba(47, 107, 255, .16), transparent 60%),
        radial-gradient(700px 400px at 5% 0%, rgba(14, 142, 168, .14), transparent 55%);
}

img,
svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

h1, h2, h3, h4, p {
    margin-top: 0;
}

::selection {
    background: rgba(14, 142, 168, .2);
}

:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
    border-radius: 4px;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -60px;
    z-index: 200;
    padding: 10px 16px;
    border-radius: 0 0 10px 10px;
    background: var(--text);
    color: var(--surface);
    transition: top .2s;
}

.skip-link:focus {
    top: 0;
}

/* 2. 通用组件 ------------------------------------------------------------ */
.container {
    width: min(1240px, 100% - 48px);
    margin-inline: auto;
}

.icon {
    width: 19px;
    height: 19px;
    flex-shrink: 0;
}

.icon-xs {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.icon-sm {
    width: 17px;
    height: 17px;
    flex-shrink: 0;
}

.icon-lg {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: 11px;
    font-size: 13.5px;
    font-weight: 500;
    line-height: 1.2;
    cursor: pointer;
    white-space: nowrap;
    transition: transform .18s, background .18s, color .18s, box-shadow .18s, border-color .18s;
}

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

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--grad);
    color: #fff;
    box-shadow: 0 12px 26px -14px rgba(20, 110, 190, .75);
}

.btn-primary:hover {
    box-shadow: 0 16px 30px -14px rgba(20, 110, 190, .85);
}

.btn-outline {
    background: var(--surface);
    border-color: var(--line-strong);
    color: var(--text-2);
}

.btn-outline:hover {
    border-color: var(--brand);
    color: var(--brand);
}

.btn-light {
    background: #fff;
    color: #0b1a2b;
}

.btn-light:hover {
    background: #f1f6ff;
}

.btn-ghost-light {
    background: rgba(255, 255, 255, .1);
    border-color: rgba(255, 255, 255, .25);
    color: #fff;
    backdrop-filter: blur(8px);
}

.btn-ghost-light:hover {
    background: rgba(255, 255, 255, .18);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 12.5px;
    border-radius: 9px;
}

.btn-block {
    display: flex;
    width: 100%;
}

.icon-btn {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 11px;
    background: transparent;
    color: var(--text-2);
    cursor: pointer;
    transition: background .18s, color .18s, border-color .18s;
}

.icon-btn:hover {
    background: var(--surface-2);
    border-color: var(--line);
    color: var(--text);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    flex-shrink: 0;
}

.brand-logo {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.15;
}

.brand-text strong {
    font-size: 16.5px;
    font-weight: 700;
    letter-spacing: .2px;
    white-space: nowrap;
}

.brand-text em {
    margin-top: 4px;
    font-style: normal;
    font-size: 10.5px;
    letter-spacing: .6px;
    color: var(--muted);
    white-space: nowrap;
}

/* 3. 头部 ---------------------------------------------------------------- */
.topbar {
    background: var(--surface-2);
    border-bottom: 1px solid var(--line);
    font-size: 12.5px;
    color: var(--muted);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    height: 38px;
}

.topbar-note {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    white-space: nowrap;
}

.topbar-note strong {
    color: var(--text-2);
    font-weight: 600;
}

.pulse-dot {
    position: relative;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #10b981;
    flex-shrink: 0;
}

.pulse-dot::after {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid rgba(16, 185, 129, .5);
    animation: pulse 2.2s ease-out infinite;
}

@keyframes pulse {
    0% { transform: scale(.6); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.topbar-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.topbar-links a:hover {
    color: var(--brand);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    transition: box-shadow .25s, background .25s;
}

@supports (background: color-mix(in srgb, red 50%, transparent)) {
    .site-header {
        background: color-mix(in srgb, var(--surface) 88%, transparent);
        backdrop-filter: saturate(180%) blur(16px);
        -webkit-backdrop-filter: saturate(180%) blur(16px);
    }
}

.site-header.is-scrolled {
    box-shadow: 0 14px 34px -24px rgba(8, 22, 42, .5);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    height: var(--header-h);
}

.main-nav {
    margin-left: auto;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 9px 13px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    font-size: 14.5px;
    white-space: nowrap;
    color: var(--text-2);
    cursor: pointer;
    transition: color .18s, background .18s;
}

.nav-link:hover {
    color: var(--brand);
    background: var(--brand-softer);
}

.nav-item.is-active > .nav-link {
    color: var(--brand);
    background: var(--brand-soft);
    font-weight: 500;
}

.nav-caret {
    opacity: .6;
    transition: transform .2s;
}

.nav-item.has-mega:hover .nav-caret,
.nav-item.is-open .nav-caret {
    transform: rotate(180deg);
}

.nav-hot {
    margin-left: 2px;
    padding: 2px 5px;
    border-radius: 5px;
    background: linear-gradient(120deg, #f43f5e, #fb7185);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .4px;
    line-height: 1.4;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.theme-icon {
    display: none;
}

[data-theme="light"] .theme-icon-moon {
    display: block;
}

[data-theme="dark"] .theme-icon-sun {
    display: block;
}

.nav-toggle {
    display: none;
}

/* 大菜单 */
.mega {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    z-index: 80;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 14px;
    width: min(720px, 86vw);
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 8px);
    transition: opacity .2s, transform .2s, visibility .2s;
}

.mega::before {
    content: "";
    position: absolute;
    top: -14px;
    left: 0;
    right: 0;
    height: 14px;
}

.nav-item.has-mega:hover .mega,
.nav-item.has-mega:focus-within .mega,
.nav-item.is-open .mega {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.mega-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
    align-content: start;
    min-width: 0;
}

.mega-item {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px;
    border-radius: 12px;
    min-width: 0;
    overflow: hidden;
    transition: background .18s;
}

.mega-item:hover {
    background: var(--surface-2);
}

.mega-icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--c1), var(--c2));
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 10px 18px -14px var(--c1);
}

.mega-text {
    display: flex;
    flex: 1;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

.mega-text strong {
    font-size: 13.5px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mega-text em {
    font-style: normal;
    font-size: 11px;
    color: var(--muted);
    width: 100%;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mega-count {
    flex-shrink: 0;
    margin-left: 6px;
    font-size: 11px;
    color: var(--muted);
}

.mega-promo {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 18px;
    border-radius: 14px;
    background: radial-gradient(140% 120% at 100% 0%, rgba(56, 198, 221, .35), transparent 60%), linear-gradient(160deg, #0d1f33, #103a52);
    color: #fff;
}

.promo-label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 10.5px;
    letter-spacing: .8px;
    color: #7fe3f2;
}

.promo-title {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.promo-title:hover {
    color: #7fe3f2;
}

.promo-desc {
    margin: 0;
    font-size: 11.5px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .6);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.promo-cat {
    margin-top: auto;
    font-size: 10.5px;
    color: rgba(255, 255, 255, .5);
}

/* 移动端菜单 */
.mobile-nav {
    position: fixed;
    inset: 0;
    z-index: 120;
    display: flex;
    justify-content: flex-end;
}

.mobile-nav[hidden] {
    display: none;
}

.mobile-nav-panel {
    position: relative;
    z-index: 2;
    width: min(370px, 90vw);
    height: 100%;
    padding: 20px;
    overflow-y: auto;
    background: var(--surface);
    box-shadow: -30px 0 70px rgba(4, 12, 24, .28);
    animation: slide-in .25s ease;
}

@keyframes slide-in {
    from { transform: translateX(30px); opacity: .4; }
    to { transform: translateX(0); opacity: 1; }
}

.mobile-nav-backdrop {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: rgba(4, 12, 24, .55);
    backdrop-filter: blur(4px);
}

.mobile-nav-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 16px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--line);
}

.mobile-nav-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-link {
    padding: 12px 6px;
    border-radius: 10px;
    font-size: 15px;
    color: var(--text-2);
}

.mobile-link:hover,
.mobile-link.is-active {
    color: var(--brand);
    background: var(--brand-softer);
}

.mobile-group {
    border-bottom: 1px dashed var(--line);
}

.mobile-group summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 6px;
    font-size: 15px;
    color: var(--text-2);
    cursor: pointer;
    list-style: none;
}

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

.mobile-group[open] summary .icon {
    transform: rotate(180deg);
}

.mobile-sub {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 2px 0 10px;
}

.mobile-sub a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 14px;
    border-radius: 9px;
    font-size: 13.5px;
    color: var(--text-2);
}

.mobile-sub a:hover {
    background: var(--surface-2);
    color: var(--brand);
}

.mobile-sub span {
    font-size: 11px;
    color: var(--muted);
}

.mobile-nav-body .btn {
    margin-top: 18px;
}

/* 搜索弹层 */
.search-modal {
    position: fixed;
    inset: 0;
    z-index: 130;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 11vh 20px 20px;
}

.search-modal[hidden] {
    display: none;
}

.search-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(4, 12, 24, .62);
    backdrop-filter: blur(6px);
}

.search-panel {
    position: relative;
    z-index: 2;
    width: min(660px, 100%);
    max-height: 72vh;
    padding: 16px;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--surface);
    box-shadow: var(--shadow-lg);
    animation: pop-in .2s ease;
}

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

.search-form {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px 8px 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface-2);
}

.search-form-icon {
    color: var(--muted);
}

.search-form input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    font-size: 15px;
    outline: none;
}

.search-form input::placeholder {
    color: var(--muted);
}

.search-form input[type="search"]::-webkit-search-cancel-button,
.search-form input[type="search"]::-webkit-search-decoration {
    display: none;
}

.search-hot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 14px 4px 4px;
    font-size: 12.5px;
    color: var(--muted);
}

.search-hot a {
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--surface-2);
    color: var(--text-2);
}

.search-hot a:hover {
    color: var(--brand);
    background: var(--brand-soft);
}

.search-results {
    margin-top: 10px;
}

.search-tip {
    margin: 8px 6px;
    font-size: 12.5px;
    color: var(--muted);
}

.search-result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 11px 12px;
    border-radius: 11px;
}

.search-result:hover {
    background: var(--surface-2);
}

.search-result strong {
    display: block;
    font-size: 13.5px;
    font-weight: 500;
    line-height: 1.5;
}

.search-result em {
    display: block;
    margin-top: 3px;
    font-style: normal;
    font-size: 11.5px;
    color: var(--muted);
}

.search-result span {
    font-size: 11.5px;
    color: var(--muted);
    white-space: nowrap;
}

.flash-stack {
    position: fixed;
    top: 118px;
    left: 50%;
    z-index: 150;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transform: translateX(-50%);
}

.flash {
    padding: 10px 18px;
    border-radius: 10px;
    background: var(--text);
    color: var(--surface);
    font-size: 13px;
    box-shadow: var(--shadow-md);
}

.flash-error {
    background: #be123c;
    color: #fff;
}

/* 4. 首页 ---------------------------------------------------------------- */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 20px;
    margin-top: 24px;
}

.slider {
    position: relative;
    height: 432px;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: #0a1424;
    box-shadow: var(--shadow-lg);
}

.slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    padding: 44px 48px;
    color: #fff;
    background: linear-gradient(125deg, var(--c1), var(--c2));
    opacity: 0;
    visibility: hidden;
    transition: opacity .65s ease, visibility .65s;
}

.slide::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(4, 10, 20, .8) 0%, rgba(4, 10, 20, .46) 58%, rgba(4, 10, 20, .2) 100%),
        radial-gradient(120% 100% at 100% 0%, rgba(255, 255, 255, .16), transparent 55%);
}

.slide::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(115deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 34px);
    pointer-events: none;
}

.slide.is-active {
    opacity: 1;
    visibility: visible;
}

/* 有封面图时，图片在右侧渐隐，左侧保留品牌渐变与正文 */
.slide-cover-art {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    width: 60%;
    background-size: cover;
    background-position: center;
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 28%, #000 100%);
    mask-image: linear-gradient(90deg, transparent 0%, #000 28%, #000 100%);
    pointer-events: none;
}

.slide-cover-art::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(0deg, rgba(4, 10, 20, .55) 0%, rgba(4, 10, 20, 0) 50%),
        linear-gradient(90deg, rgba(4, 10, 20, .34) 0%, rgba(4, 10, 20, 0) 38%);
}

.slide.has-cover::before {
    z-index: 2;
    background:
        linear-gradient(90deg, rgba(4, 10, 20, .97) 0%, rgba(4, 10, 20, .90) 34%, rgba(4, 10, 20, .60) 55%, rgba(4, 10, 20, .12) 78%, rgba(4, 10, 20, .16) 100%),
        linear-gradient(0deg, rgba(4, 10, 20, .55) 0%, rgba(4, 10, 20, .02) 52%);
}

.slide.has-cover::after {
    display: none;
}

.slide.has-cover .slide-mark {
    display: none;
}

.slide.has-cover .slide-content {
    max-width: 540px;
}

.slide.has-cover .slide-desc {
    color: rgba(255, 255, 255, .84);
    text-shadow: 0 1px 12px rgba(0, 0, 0, .34);
}

.slide.has-cover h1,
.slide.has-cover h2 {
    text-shadow: 0 2px 30px rgba(0, 0, 0, .58);
}

.slide.has-cover .slide-kicker {
    background: rgba(6, 13, 22, .48);
}

.slide-content {
    position: relative;
    z-index: 3;
    max-width: 540px;
}

.slide-kicker {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 5px 12px;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 999px;
    background: rgba(255, 255, 255, .1);
    font-size: 11.5px;
    letter-spacing: .4px;
    backdrop-filter: blur(8px);
}

.slide-kicker i {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #7fe3f2;
}

.slide h1,
.slide h2 {
    margin: 16px 0 14px;
    font-size: clamp(26px, 3vw, 37px);
    font-weight: 700;
    line-height: 1.28;
    letter-spacing: -.8px;
    text-shadow: 0 2px 24px rgba(0, 0, 0, .18);
    text-wrap: balance;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.slide-desc {
    margin: 0 0 22px;
    max-width: 470px;
    font-size: 13.5px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .74);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.slide-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
    font-size: 11.5px;
    color: rgba(255, 255, 255, .6);
}

.slide-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.slide-mark {
    position: absolute;
    right: 12px;
    bottom: -34px;
    z-index: 2;
    color: #fff;
    opacity: .13;
    transform: rotate(-8deg);
    pointer-events: none;
}

.slide-mark svg {
    width: 250px;
    height: 250px;
}

.slider-nav {
    position: absolute;
    left: 48px;
    bottom: 26px;
    z-index: 5;
    display: flex;
    gap: 6px;
}

.slider-dot {
    width: 22px;
    height: 4px;
    padding: 0;
    border: 0;
    border-radius: 99px;
    background: rgba(255, 255, 255, .3);
    cursor: pointer;
    transition: width .25s, background .25s;
}

.slider-dot.is-active {
    width: 40px;
    background: #fff;
}

.slider-arrows {
    position: absolute;
    right: 22px;
    bottom: 22px;
    z-index: 5;
    display: flex;
    gap: 6px;
}

.slider-arrow {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 50%;
    background: rgba(255, 255, 255, .1);
    color: #fff;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: background .2s;
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, .22);
}

.hero-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.panel {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.update-panel {
    display: flex;
    flex: 1;
    flex-direction: column;
    min-height: 0;
    padding: 18px;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.panel-head h3 {
    display: flex;
    align-items: center;
    gap: 7px;
    margin: 0;
    font-size: 14.5px;
    letter-spacing: -.1px;
}

.panel-head h3 .icon {
    color: var(--brand);
}

.panel-sub {
    font-size: 11px;
    color: var(--muted);
}

.update-list {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 1px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.update-item a {
    display: flex;
    gap: 9px;
    align-items: flex-start;
    padding: 8px;
    border-radius: 10px;
    transition: background .18s;
}

.update-item a:hover {
    background: var(--surface-2);
}

.update-dot {
    width: 5px;
    height: 5px;
    margin-top: 7px;
    border-radius: 50%;
    background: var(--brand);
    flex-shrink: 0;
    opacity: .55;
}

.update-text {
    min-width: 0;
}

.update-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--text-2);
}

.update-meta {
    margin-top: 3px;
    font-size: 10.5px;
    color: var(--muted);
}

.panel-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--line);
    font-size: 12px;
    color: var(--brand);
}

.panel-link:hover {
    color: var(--brand-strong);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 16px 18px;
}

.hero-stat strong {
    display: block;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -.5px;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--brand);
}

.hero-stat span {
    font-size: 10.5px;
    color: var(--muted);
}

.quick-cats {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 2px;
    margin-top: 20px;
    padding: 14px;
}

.quick-cat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 11px 5px;
    border-radius: 14px;
    text-align: center;
    transition: background .18s, transform .18s;
}

.quick-cat:hover {
    background: var(--surface-2);
    transform: translateY(-2px);
}

.quick-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--c1), var(--c2));
    color: #fff;
    box-shadow: 0 12px 20px -16px var(--c1);
}

.quick-cat strong {
    font-size: 12.5px;
    font-weight: 500;
    white-space: nowrap;
}

.quick-cat span {
    font-size: 10px;
    color: var(--muted);
}

/* 5. 主区域与卡片 -------------------------------------------------------- */
.layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 328px;
    gap: 26px;
    align-items: start;
    margin-top: 40px;
}

.sidebar {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    display: flex;
    flex-direction: column;
    gap: 18px;
}

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

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: 22px;
    letter-spacing: -.4px;
}

.section-title::before {
    content: "";
    width: 5px;
    height: 22px;
    border-radius: 3px;
    background: var(--grad);
}

.section-sub {
    margin: 6px 0 0 15px;
    font-size: 12.5px;
    color: var(--muted);
}

.link-more {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12.5px;
    color: var(--muted);
    transition: gap .18s, color .18s;
}

.link-more:hover {
    gap: 9px;
    color: var(--brand);
}

.tabs {
    display: flex;
    gap: 2px;
    max-width: 100%;
    margin-bottom: 18px;
    padding: 4px;
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface-2);
    scrollbar-width: none;
}

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

.tab {
    padding: 7px 13px;
    border-radius: 9px;
    font-size: 12.5px;
    color: var(--text-2);
    white-space: nowrap;
    transition: color .18s, background .18s;
}

.tab:hover {
    color: var(--text);
}

.tab.is-active {
    background: var(--surface);
    color: var(--brand);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

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

.post-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    transition: transform .25s, box-shadow .25s, border-color .25s;
}

.post-card:hover {
    border-color: rgba(14, 142, 168, .38);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-cover {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: linear-gradient(135deg, var(--c1, #14532d), var(--c2, #0e7490));
    background-size: cover;
    background-position: center;
}

.cover-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 18% 12%, rgba(255, 255, 255, .28), transparent 42%),
        repeating-linear-gradient(118deg, rgba(255, 255, 255, .07) 0 1px, transparent 1px 28px);
}

.cover-mark {
    position: absolute;
    right: -18px;
    bottom: -30px;
    color: #fff;
    opacity: .16;
    transform: rotate(-8deg);
    transition: transform .4s, opacity .4s;
}

.cover-icon {
    width: 150px;
    height: 150px;
}

.post-card:hover .cover-mark {
    transform: rotate(-2deg) scale(1.04);
    opacity: .22;
}

.cover-top {
    position: absolute;
    top: 11px;
    left: 11px;
    right: 11px;
    display: flex;
    justify-content: space-between;
    gap: 8px;
}

.cover-cat,
.cover-flag,
.cover-format,
.cover-dl {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.cover-cat {
    padding: 4px 9px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 999px;
    background: rgba(8, 18, 32, .32);
    color: #fff;
    font-size: 10.5px;
}

.cover-flag {
    padding: 4px 8px;
    border-radius: 999px;
    background: #ffd27a;
    color: #42210a;
    font-size: 10px;
    font-weight: 600;
}

.flag-hot {
    background: linear-gradient(120deg, #f43f5e, #fb7185);
    color: #fff;
}

.cover-bottom {
    position: absolute;
    left: 11px;
    right: 11px;
    bottom: 11px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #fff;
    font-size: 11px;
}

.cover-format {
    padding: 3px 8px;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 6px;
    background: rgba(255, 255, 255, .14);
    font-size: 10px;
    letter-spacing: .3px;
}

.cover-dl {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    opacity: .92;
}

.card-cover.has-image .cover-pattern,
.card-cover.has-image .cover-mark {
    display: none;
}

.card-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 6px;
    padding: 15px 17px 16px;
}

.card-title {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: -.1px;
}

.card-title a {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-title a:hover {
    color: var(--brand);
}

.card-excerpt {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    font-size: 12.5px;
    line-height: 1.65;
    color: var(--muted);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: auto;
    padding-top: 8px;
    font-size: 11px;
    color: var(--muted);
}

.card-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.card-tag {
    max-width: 42%;
    margin-left: auto;
    padding: 2px 7px;
    overflow: hidden;
    border-radius: 5px;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 10.5px;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.load-more {
    display: flex;
    justify-content: center;
    margin-top: 26px;
}

.load-more .btn {
    padding-inline: 26px;
}

/* 首页 CTA */
.cta-band {
    position: relative;
    margin-top: 36px;
    padding: 32px 36px;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: radial-gradient(90% 160% at 100% 0%, rgba(56, 198, 221, .35), transparent 55%), linear-gradient(120deg, #0b2e44, #12356b);
    color: #fff;
}

.cta-band::before {
    content: "";
    position: absolute;
    right: -60px;
    bottom: -110px;
    width: 320px;
    height: 320px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 50%;
    box-shadow: 0 0 0 40px rgba(255, 255, 255, .03), 0 0 0 80px rgba(255, 255, 255, .02);
}

.cta-band h2 {
    position: relative;
    margin: 0 0 8px;
    font-size: 23px;
    letter-spacing: -.4px;
}

.cta-band p {
    position: relative;
    max-width: 520px;
    margin: 0 0 20px;
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .68);
}

.cta-actions {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* 6. 侧栏组件 ------------------------------------------------------------ */
.rank-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: rank;
}

.rank-item a {
    display: flex;
    gap: 10px;
    padding: 8px 6px;
    border-radius: 10px;
    transition: background .18s;
}

.rank-item a:hover {
    background: var(--surface-2);
}

.rank-num {
    display: grid;
    place-items: center;
    width: 21px;
    height: 21px;
    margin-top: 2px;
    border-radius: 7px;
    background: var(--surface-2);
    color: var(--muted);
    font-size: 10.5px;
    font-weight: 600;
    flex-shrink: 0;
}

.rank-item:nth-child(1) .rank-num {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: #fff;
}

.rank-item:nth-child(2) .rank-num {
    background: linear-gradient(135deg, #64748b, #94a3b8);
    color: #fff;
}

.rank-item:nth-child(3) .rank-num {
    background: linear-gradient(135deg, #b45309, #d97706);
    color: #fff;
}

.rank-title {
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--text-2);
}

.rank-item a:hover .rank-title {
    color: var(--brand);
}

.rank-meta {
    display: flex;
    gap: 8px;
    margin-top: 3px;
    font-size: 10.5px;
    color: var(--muted);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.tag {
    padding: 5px 11px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: var(--surface-2);
    font-size: 11.5px;
    color: var(--text-2);
    transition: color .18s, background .18s, border-color .18s;
}

.tag:hover {
    border-color: rgba(14, 142, 168, .35);
    background: var(--brand-soft);
    color: var(--brand);
}

.tag span {
    margin-left: 3px;
    font-size: 10px;
    color: var(--muted);
}

.announce {
    border: 0;
    background: radial-gradient(120% 120% at 100% 0%, rgba(56, 198, 221, .35), transparent 55%), linear-gradient(160deg, #0c1f33, #0d3a50);
    color: #fff;
}

.announce h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 10px;
    font-size: 14.5px;
}

.announce p {
    margin: 0 0 14px;
    font-size: 12px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .68);
}

.announce .btn {
    padding: 8px 14px;
    font-size: 12px;
}

/* 7. 列表页 -------------------------------------------------------------- */
.page-head {
    padding: 34px 0 8px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
    margin-bottom: 14px;
    font-size: 12px;
    color: var(--muted);
}

.breadcrumb a:hover {
    color: var(--brand);
}

.breadcrumb .sep {
    opacity: .5;
}

.page-title {
    margin: 0 0 10px;
    font-size: clamp(26px, 3.2vw, 36px);
    letter-spacing: -.8px;
}

.page-desc {
    max-width: 640px;
    margin: 0;
    font-size: 13.5px;
    line-height: 1.8;
    color: var(--muted);
}

.page-head-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 16px;
    font-size: 12px;
    color: var(--muted);
}

.page-head-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.archive-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin: 22px 0 20px;
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.chip-link {
    padding: 6px 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    font-size: 12px;
    color: var(--text-2);
    transition: color .18s, background .18s, border-color .18s;
}

.chip-link:hover {
    border-color: var(--brand);
    color: var(--brand);
}

.chip-link.is-active {
    border-color: var(--text);
    background: var(--text);
    color: var(--surface);
}

.sort-form {
    flex-shrink: 0;
}

.sort-form select {
    appearance: none;
    padding: 8px 34px 8px 13px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background-color: var(--surface);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%237c8da6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    font-size: 12px;
    color: var(--text-2);
    cursor: pointer;
}

.archive-foot {
    margin-top: 30px;
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 34px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: var(--surface);
    font-size: 12.5px;
    color: var(--text-2);
    transition: border-color .18s, color .18s;
}

.page-btn:hover {
    border-color: var(--brand);
    color: var(--brand);
}

.page-btn.is-current {
    border-color: var(--text);
    background: var(--text);
    color: var(--surface);
}

.page-btn.is-disabled {
    opacity: .45;
    pointer-events: none;
}

.page-arrow {
    gap: 5px;
}

.page-gap {
    color: var(--muted);
    padding: 0 2px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 64px 20px;
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-xl);
    background: var(--surface);
    text-align: center;
}

.empty-icon {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    margin-bottom: 14px;
    border-radius: 20px;
    background: var(--brand-soft);
    color: var(--brand);
}

.empty-state h3 {
    margin: 0 0 6px;
    font-size: 17px;
}

.empty-state p {
    margin: 0 0 18px;
    font-size: 13px;
    color: var(--muted);
}

/* 8. 详情页 -------------------------------------------------------------- */
.post-hero {
    position: relative;
    padding: 40px 0 108px;
    overflow: hidden;
    background: linear-gradient(125deg, var(--c1, #0f3d56), var(--c2, #123a6b));
    color: #fff;
}

.post-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(4, 10, 20, .82), rgba(4, 10, 20, .42)),
        radial-gradient(90% 120% at 100% 0%, rgba(255, 255, 255, .16), transparent 55%);
}

.post-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(118deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 34px);
}

.post-hero .container {
    position: relative;
    z-index: 3;
}

.post-hero .breadcrumb {
    color: rgba(255, 255, 255, .6);
}

.post-hero .breadcrumb a:hover {
    color: #fff;
}

.post-kicker {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 5px 12px;
    margin-top: 6px;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 999px;
    background: rgba(255, 255, 255, .1);
    font-size: 11.5px;
    backdrop-filter: blur(8px);
}

.post-title {
    max-width: 920px;
    margin: 14px 0 18px;
    font-size: clamp(26px, 3.5vw, 40px);
    font-weight: 700;
    line-height: 1.32;
    letter-spacing: -.9px;
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 12px;
    color: rgba(255, 255, 255, .68);
}

.post-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.post-hero-mark {
    position: absolute;
    right: 20px;
    bottom: -40px;
    z-index: 2;
    color: #fff;
    opacity: .1;
    transform: rotate(-8deg);
    pointer-events: none;
}

.post-hero-mark svg {
    width: 300px;
    height: 300px;
}

.post-layout {
    position: relative;
    z-index: 4;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 330px;
    gap: 24px;
    align-items: start;
    margin-top: -72px;
}

.post-main {
    padding: 34px 38px 30px;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.post-cover {
    margin: 0 0 26px;
}

.post-cover img {
    display: block;
    width: 100%;
    max-height: 520px;
    border-radius: 14px;
    object-fit: cover;
}

.prose {
    font-size: 15px;
    line-height: 1.95;
    color: var(--text-2);
}

.prose > :first-child {
    margin-top: 0;
}

.prose p {
    margin: 0 0 18px;
}

.prose h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 34px 0 16px;
    font-size: 20px;
    color: var(--text);
    letter-spacing: -.2px;
}

.prose h2::before {
    content: "";
    width: 4px;
    height: 19px;
    border-radius: 2px;
    background: var(--grad);
    flex-shrink: 0;
}

.prose h3 {
    margin: 26px 0 12px;
    font-size: 16.5px;
    color: var(--text);
}

.prose ul,
.prose ol {
    margin: 0 0 18px;
    padding-left: 22px;
}

.prose li {
    margin: 7px 0;
}

.prose li::marker {
    color: var(--brand);
}

.prose a {
    color: var(--brand);
    text-decoration: underline;
    text-underline-offset: 3px;
    overflow-wrap: anywhere;
}

.prose strong {
    color: var(--text);
    font-weight: 600;
}

.prose code {
    padding: 2px 6px;
    border-radius: 5px;
    background: var(--surface-2);
    font-family: var(--mono);
    font-size: 13px;
}

.prose pre {
    padding: 16px 18px;
    overflow-x: auto;
    border-radius: 12px;
    background: #0b1929;
    color: #d8e6f5;
}

.prose pre code {
    padding: 0;
    background: transparent;
    color: inherit;
}

.prose blockquote {
    margin: 22px 0;
    padding: 14px 18px;
    border-left: 3px solid var(--brand);
    border-radius: 0 10px 10px 0;
    background: var(--brand-softer);
    color: var(--text-2);
}

.prose blockquote p:last-child {
    margin-bottom: 0;
}

.prose img {
    border-radius: 12px;
    margin: 18px 0;
}

.prose hr {
    margin: 30px 0;
    border: 0;
    border-top: 1px dashed var(--line);
}

.prose table {
    width: 100%;
    margin: 18px 0;
    border-collapse: collapse;
    font-size: 13px;
}

.prose th,
.prose td {
    padding: 9px 12px;
    border: 1px solid var(--line);
    text-align: left;
}

.prose th {
    background: var(--surface-2);
    color: var(--text);
}

.read-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 90;
    width: 100%;
    height: 3px;
    background: var(--grad);
    transform: scaleX(0);
    transform-origin: left center;
    pointer-events: none;
}

.notice-bar {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin-bottom: 22px;
    padding: 12px 15px;
    border: 1px solid rgba(14, 142, 168, .25);
    border-radius: 11px;
    background: var(--brand-softer);
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--text-2);
}

.notice-bar .icon {
    margin-top: 2px;
    color: var(--brand);
}

/* 登录 / 会员查看门槛 ---------------------------------------------------- */
.content-gate {
    position: relative;
    overflow: hidden;
    padding: 42px 34px 36px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(120% 130% at 50% 0%, rgba(37, 99, 235, .10), transparent 58%),
        var(--surface);
    text-align: center;
}

.content-gate::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(115deg, rgba(37, 99, 235, .035) 0 1px, transparent 1px 28px);
    pointer-events: none;
}

.gate-icon {
    position: relative;
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    margin: 0 auto;
    border: 1px solid rgba(37, 99, 235, .16);
    border-radius: 17px;
    background: var(--brand-softer);
    color: var(--brand);
}

.gate-icon .icon {
    width: 27px;
    height: 27px;
}

.gate-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 16px;
    padding: 4px 10px;
    border: 1px solid rgba(244, 63, 94, .22);
    border-radius: 999px;
    background: rgba(244, 63, 94, .07);
    color: #be123c;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: .3px;
}

.gate-badge.is-free {
    border-color: rgba(13, 148, 136, .22);
    background: rgba(13, 148, 136, .08);
    color: #0f766e;
}

.content-gate h2 {
    position: relative;
    margin: 10px 0 8px;
    font-size: 24px;
    letter-spacing: -.4px;
}

.gate-excerpt {
    position: relative;
    max-width: 560px;
    margin: 0 auto;
    font-size: 14px;
    line-height: 1.85;
    color: var(--text-2);
}

.gate-text {
    position: relative;
    max-width: 540px;
    margin: 10px auto 0;
    font-size: 12px;
    line-height: 1.8;
    color: var(--muted);
}

.gate-actions {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 22px;
}

.gate-hint {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 18px 0 0;
    font-size: 10.5px;
    line-height: 1.6;
    color: var(--muted);
}

.gate-hint .icon {
    color: var(--success);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.post-tags-label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-right: 2px;
    font-size: 11.5px;
    color: var(--muted);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.post-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
}

.share-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    font-size: 11.5px;
    color: var(--muted);
    cursor: pointer;
}

.share-btn:hover {
    border-color: var(--brand);
    color: var(--brand);
}

.post-aside {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-card .panel-head {
    margin-bottom: 14px;
}

.info-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 10px;
    margin: 0;
}

.info-item span {
    display: block;
    margin-bottom: 2px;
    font-size: 10.5px;
    color: var(--muted);
}

.info-item strong {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    word-break: break-all;
}

.download-card {
    padding: 22px;
    border: 1px solid rgba(14, 142, 168, .28);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(120% 100% at 100% 0%, rgba(47, 107, 255, .1), transparent 60%),
        linear-gradient(160deg, var(--surface), var(--brand-softer));
    box-shadow: var(--shadow-sm);
}

.download-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    letter-spacing: .5px;
    color: var(--brand);
}

.download-title {
    margin: 6px 0 4px;
    font-size: 18px;
    letter-spacing: -.2px;
}

.download-note {
    margin: 0 0 14px;
    font-size: 11.5px;
    line-height: 1.7;
    color: var(--muted);
}

.download-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.download-item-note {
    margin: 4px 0 0;
    font-size: 10.5px;
    line-height: 1.6;
    color: var(--muted);
    text-align: center;
}

.download-item .dl-code {
    margin-top: 6px;
}

.download-state-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin: 14px 0;
}

.dl-code {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding: 8px 10px;
    border: 1px dashed var(--line-strong);
    border-radius: 9px;
    background: var(--surface);
    font-size: 11.5px;
    color: var(--muted);
}

.dl-code code {
    font-family: var(--mono);
    font-size: 12.5px;
    letter-spacing: 1px;
    color: var(--text);
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
    padding: 3px 8px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--surface-2);
    font-size: 10.5px;
    color: var(--text-2);
    cursor: pointer;
}

.copy-btn:hover {
    color: var(--brand);
    border-color: var(--brand);
}

.dl-safe {
    display: flex;
    gap: 6px;
    align-items: flex-start;
    margin: 14px 0 0;
    font-size: 10.5px;
    line-height: 1.6;
    color: var(--muted);
}

.dl-safe .icon {
    color: var(--success);
}

.btn.is-disabled {
    opacity: .55;
    pointer-events: none;
    cursor: not-allowed;
}

/* 下载方式选择弹窗 ------------------------------------------------------ */
.download-dialog {
    width: min(580px, calc(100% - 32px));
    max-height: calc(100vh - 36px);
    padding: 0;
    overflow: auto;
    border: 1px solid var(--line-strong);
    border-radius: 22px;
    background: var(--surface);
    color: var(--text);
    box-shadow: 0 46px 120px -28px rgba(2, 8, 18, .72);
}

.download-dialog::backdrop {
    background: rgba(2, 7, 14, .68);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.download-dialog-inner {
    position: relative;
    padding: 30px;
}

.dialog-close {
    position: absolute;
    top: 14px;
    right: 14px;
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: var(--surface-2);
    color: var(--muted);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    transition: color .18s, border-color .18s, background .18s;
}

.dialog-close:hover {
    border-color: var(--brand);
    background: var(--brand-softer);
    color: var(--brand);
}

.dialog-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .5px;
}

.download-dialog h2 {
    margin: 7px 0 5px;
    font-size: 25px;
    letter-spacing: -.5px;
}

.dialog-lead {
    margin: 0 0 18px;
    font-size: 12px;
    line-height: 1.65;
    color: var(--muted);
}

.download-options {
    display: grid;
    gap: 12px;
}

.download-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 15px;
    background:
        linear-gradient(120deg, rgba(37, 99, 235, .035), transparent 55%),
        var(--surface-2);
}

.download-option-icon {
    display: grid;
    place-items: center;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    border-radius: 13px;
    background: var(--brand-softer);
    color: var(--brand);
}

.download-option-icon .icon {
    width: 22px;
    height: 22px;
}

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

.download-option-body strong {
    display: block;
    font-size: 14px;
    letter-spacing: -.1px;
}

.download-option-body p {
    margin: 3px 0 0;
    font-size: 10.5px;
    line-height: 1.55;
    color: var(--muted);
}

.download-option-code {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    font-size: 10.5px;
    color: var(--muted);
}

.download-option-code code {
    padding: 2px 7px;
    border-radius: 5px;
    background: var(--surface);
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: .8px;
    color: var(--text);
}

.download-option-code .copy-btn {
    margin-left: 0;
}

.download-option .btn {
    flex: 0 0 auto;
}

.download-option.is-disabled {
    opacity: .52;
}

.download-option-state {
    flex: 0 0 auto;
    font-size: 10.5px;
    color: var(--muted);
    white-space: nowrap;
}

.dialog-tip {
    display: flex;
    gap: 7px;
    align-items: flex-start;
    margin: 18px 0 0;
    font-size: 10.5px;
    line-height: 1.65;
    color: var(--muted);
}

.dialog-tip .icon {
    margin-top: 1px;
    color: var(--success);
}

@media (max-width: 560px) {
    .content-gate {
        padding: 30px 20px 26px;
    }

    .content-gate h2 {
        font-size: 21px;
    }

    .gate-excerpt {
        font-size: 13px;
    }

    .download-dialog-inner {
        padding: 24px 20px;
    }

    .download-dialog h2 {
        font-size: 22px;
    }

    .download-option {
        flex-wrap: wrap;
    }

    .download-option-body {
        flex-basis: calc(100% - 58px);
    }

    .download-option .btn,
    .download-option-state {
        margin-left: 58px;
    }

    .download-option .btn {
        width: calc(100% - 58px);
        justify-content: center;
    }
}

.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 22px;
}

.post-nav a {
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    transition: border-color .18s, transform .18s;
}

.post-nav a:hover {
    border-color: var(--brand);
    transform: translateY(-2px);
}

.post-nav span {
    display: block;
    margin-bottom: 4px;
    font-size: 10.5px;
    color: var(--muted);
}

.post-nav strong {
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    font-size: 12.5px;
    font-weight: 500;
    line-height: 1.5;
}

.post-nav .next {
    text-align: right;
}

.related {
    margin-top: 42px;
}

/* 9. 关于页 -------------------------------------------------------------- */
.about-hero {
    padding: 44px 0 8px;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 24px;
    align-items: start;
    margin-top: 26px;
}

.about-main {
    min-width: 0;
}

.about-aside {
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: sticky;
    top: calc(var(--header-h) + 20px);
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.feature {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface-2);
}

.feature-icon {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    margin-bottom: 10px;
    border-radius: 10px;
    background: var(--brand-soft);
    color: var(--brand);
}

.feature strong {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    font-weight: 600;
}

.feature p {
    margin: 0;
    font-size: 11.5px;
    line-height: 1.75;
    color: var(--muted);
}

.about-body p {
    margin-bottom: 16px;
}

.text-copy {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0;
    border: 0;
    background: none;
    color: var(--text);
    font-size: 12.5px;
    font-weight: 500;
    cursor: pointer;
}

.text-copy:hover {
    color: var(--brand);
}

.support-text {
    margin: 0 0 14px;
    font-size: 12px;
    line-height: 1.8;
    color: var(--muted);
}

.about-card {
    padding: 30px 34px;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.about-card + .about-card {
    margin-top: 20px;
}

.about-card h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 16px;
    font-size: 20px;
    letter-spacing: -.3px;
}

.about-card h2::before {
    content: "";
    width: 4px;
    height: 19px;
    border-radius: 2px;
    background: var(--grad);
}

.profile-card {
    position: relative;
    overflow: hidden;
    padding: 28px;
    border-radius: var(--radius-xl);
    background: radial-gradient(120% 110% at 100% 0%, rgba(56, 198, 221, .32), transparent 55%), linear-gradient(155deg, #0c2033, #0f3558);
    color: #fff;
}

.profile-avatar {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    margin-bottom: 14px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 20px;
    background: rgba(255, 255, 255, .1);
    backdrop-filter: blur(8px);
}

.profile-name {
    margin: 0 0 4px;
    font-size: 19px;
}

.profile-role {
    margin: 0 0 14px;
    font-size: 11.5px;
    color: rgba(255, 255, 255, .6);
}

.profile-desc {
    margin: 0 0 18px;
    font-size: 12.5px;
    line-height: 1.85;
    color: rgba(255, 255, 255, .72);
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, .12);
}

.profile-stats strong {
    display: block;
    font-size: 18px;
}

.profile-stats span {
    font-size: 10.5px;
    color: rgba(255, 255, 255, .55);
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface-2);
}

.contact-item .contact-icon {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--brand-soft);
    color: var(--brand);
    flex-shrink: 0;
}

.contact-item small {
    display: block;
    font-size: 10.5px;
    color: var(--muted);
}

.contact-item strong {
    display: block;
    font-size: 12.5px;
    font-weight: 500;
    word-break: break-all;
}

.timeline {
    position: relative;
    margin: 0;
    padding: 0 0 0 22px;
    list-style: none;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 6px;
    bottom: 6px;
    left: 5px;
    width: 1px;
    background: var(--line-strong);
}

.timeline li {
    position: relative;
    padding-bottom: 18px;
}

.timeline li::before {
    content: "";
    position: absolute;
    top: 6px;
    left: -21px;
    width: 9px;
    height: 9px;
    border: 2px solid var(--surface);
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 0 1px var(--brand);
}

.timeline time {
    display: block;
    margin-bottom: 3px;
    font-size: 10.5px;
    color: var(--muted);
    letter-spacing: .4px;
}

.timeline strong {
    display: block;
    font-size: 13px;
    font-weight: 500;
}

.timeline p {
    margin: 3px 0 0;
    font-size: 12px;
    line-height: 1.7;
    color: var(--muted);
}

.disclaimer {
    font-size: 12.5px;
    line-height: 1.9;
    color: var(--muted);
}

.disclaimer strong {
    color: var(--text-2);
}

/* 下载中转页 ------------------------------------------------------------- */
.download-page {
    display: grid;
    place-items: center;
    min-height: 52vh;
    padding-top: 48px;
}

.download-state {
    width: min(560px, 100%);
    padding: 40px 36px;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.state-icon {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 20px;
    background: var(--brand-soft);
    color: var(--brand);
}

.state-icon-warn {
    background: rgba(245, 158, 11, .12);
    color: #d97706;
}

.download-state h1 {
    margin: 0 0 8px;
    font-size: 21px;
    letter-spacing: -.3px;
}

.download-state p {
    margin: 0 0 20px;
    font-size: 13px;
    line-height: 1.8;
    color: var(--muted);
}

.state-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.state-back {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 18px;
    font-size: 12px;
    color: var(--muted);
}

.state-back:hover {
    color: var(--brand);
}

.state-hint {
    margin: 20px 0 0 !important;
    padding-top: 16px;
    border-top: 1px dashed var(--line);
    font-size: 11.5px !important;
}

/* 10. 页脚 --------------------------------------------------------------- */
.site-footer {
    position: relative;
    margin-top: 72px;
    padding: 54px 0 22px;
    background: #081322;
    color: #94a8c0;
}

.site-footer::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(56, 198, 221, .45), transparent);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.7fr .8fr .8fr 1fr;
    gap: 36px;
}

.brand-footer .brand-text strong {
    color: #fff;
}

.brand-footer .brand-text em {
    color: #7d93ac;
}

.footer-desc {
    max-width: 340px;
    margin: 16px 0;
    font-size: 12px;
    line-height: 1.85;
}

.footer-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 999px;
    background: rgba(255, 255, 255, .05);
    font-size: 11px;
    color: #c3d2e4;
}

.chip:hover {
    border-color: rgba(56, 198, 221, .4);
    color: #fff;
}

.footer-col h3 {
    margin: 4px 0 14px;
    color: #fff;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: .4px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 9px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 12px;
}

.footer-col a:hover {
    color: #fff;
}

.footer-meta ul li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-bottom: 8px;
    border-bottom: 1px dashed rgba(255, 255, 255, .08);
}

.footer-meta strong {
    color: #fff;
    font-weight: 600;
}

.footer-updated {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 14px 0 0;
    font-size: 10.5px;
    color: #7d93ac;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    margin-top: 40px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    font-size: 10.5px;
    color: #73879f;
}

.footer-bottom p {
    margin: 0;
}

.footer-note {
    max-width: 560px;
    text-align: right;
}

.footer-admin {
    color: #a9bdd3;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.footer-admin:hover {
    color: #fff;
}

.back-top {
    position: fixed;
    right: 22px;
    bottom: 26px;
    z-index: 40;
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text-2);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity .25s, transform .25s, visibility .25s;
}

.back-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-top:hover {
    color: var(--brand);
    border-color: var(--brand);
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 34px;
    z-index: 200;
    padding: 10px 18px;
    border-radius: 10px;
    background: rgba(8, 19, 34, .94);
    color: #fff;
    font-size: 12.5px;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 10px);
    transition: opacity .22s, transform .22s, visibility .22s;
}

.toast.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

/* 11. 响应式 ------------------------------------------------------------- */
@media (max-width: 1180px) {
    .hero {
        grid-template-columns: minmax(0, 1fr) 310px;
    }

    .header-inner {
        gap: 12px;
    }

    .nav-link {
        padding: 8px 9px;
        font-size: 13.5px;
    }

    .header-actions {
        gap: 4px;
    }

    .mega {
        grid-template-columns: minmax(0, 1fr) 186px;
        gap: 10px;
    }
    .mega-promo {
        padding: 15px;
    }

    .layout {
        grid-template-columns: minmax(0, 1fr) 300px;
    }

    .quick-cats {
        grid-template-columns: repeat(5, 1fr);
        row-gap: 4px;
    }

    .post-grid.cols-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-top {
        grid-template-columns: 1.5fr .8fr .8fr 1fr;
        gap: 24px;
    }
}

@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }

    .nav-toggle {
        display: inline-grid;
    }

    .header-cta {
        display: none;
    }

    .header-inner {
        gap: 12px;
    }

    .header-actions {
        margin-left: auto;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .hero-side {
        display: grid;
        grid-template-columns: 1.4fr 1fr;
        align-items: stretch;
    }

    .slider {
        height: 400px;
    }

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

    .sidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

    .sidebar .announce {
        grid-column: 1 / -1;
    }

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

    .post-aside {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-aside {
        position: static;
    }

    .footer-top {
        grid-template-columns: 1.6fr 1fr 1fr;
    }

    .footer-meta {
        display: none;
    }
}

@media (max-width: 820px) {
    .container {
        width: min(100% - 36px, 1240px);
    }

    .topbar-note {
        font-size: 11.5px;
    }

    .topbar-links a:nth-child(3) {
        display: none;
    }

    .hero-side {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        display: none;
    }

    .slider {
        height: 380px;
    }

    .slide {
        padding: 32px 30px 56px;
    }

    .slide-mark svg {
        width: 190px;
        height: 190px;
    }

    .slider-nav {
        left: 30px;
        bottom: 20px;
    }

    .quick-cats {
        grid-template-columns: repeat(5, 1fr);
    }

    .post-main {
        padding: 26px 24px;
    }

    .post-layout {
        margin-top: -56px;
    }

    .post-aside {
        grid-template-columns: 1fr;
    }

    .about-card {
        padding: 24px 22px;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 26px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 14px;
    }

    .container {
        width: calc(100% - 32px);
    }

    .brand-text em {
        display: none;
    }

    .brand-logo {
        width: 36px;
        height: 36px;
    }

    .brand-text strong {
        font-size: 15.5px;
    }

    .topbar-inner {
        height: 34px;
    }

    .topbar-links {
        gap: 14px;
        font-size: 11.5px;
    }

    .topbar-links a:nth-child(2),
    .topbar-links a:nth-child(3) {
        display: none;
    }

    .hero {
        margin-top: 16px;
    }

    .slider {
        height: 392px;
        border-radius: 20px;
    }

    .slide {
        align-items: flex-end;
        padding: 26px 22px 74px;
    }

    .slide::before {
        background: linear-gradient(180deg, rgba(4, 10, 20, .25) 0%, rgba(4, 10, 20, .55) 45%, rgba(4, 10, 20, .88) 100%);
    }

    .slide.has-cover::before {
        z-index: 2;
        background: linear-gradient(180deg, rgba(4, 10, 20, .14) 0%, rgba(4, 10, 20, .52) 44%, rgba(4, 10, 20, .94) 100%);
    }

    .slide-cover-art {
        width: 100%;
        height: 100%;
        -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 42%, transparent 88%);
        mask-image: linear-gradient(180deg, #000 0%, #000 42%, transparent 88%);
    }

    .slide h1,
    .slide h2 {
        font-size: 24px;
        letter-spacing: -.5px;
        -webkit-line-clamp: 3;
    }

    .slide-desc {
        font-size: 12.5px;
        -webkit-line-clamp: 2;
    }

    .slide-mark,
    .slide-meta {
        display: none;
    }

    .slide-kicker {
        font-size: 10.5px;
    }

    .slider-nav {
        left: 22px;
        bottom: 22px;
    }

    .slider-arrows {
        right: 18px;
        bottom: 20px;
    }

    .quick-cats {
        grid-template-columns: repeat(4, 1fr);
        padding: 10px;
        border-radius: 16px;
    }

    .quick-icon {
        width: 38px;
        height: 38px;
    }

    .post-grid,
    .post-grid.cols-3 {
        grid-template-columns: 1fr;
    }

    .sidebar {
        grid-template-columns: 1fr;
    }

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

    .archive-toolbar {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .filter-chips {
        flex-wrap: nowrap;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
        scrollbar-width: none;
    }

    .filter-chips::-webkit-scrollbar {
        display: none;
    }

    .chip-link {
        flex-shrink: 0;
    }

    .page-head {
        padding-top: 24px;
    }

    .post-hero {
        padding: 26px 0 84px;
    }

    .post-title {
        font-size: 25px;
    }

    .post-layout {
        margin-top: -52px;
    }

    .post-main {
        padding: 22px 18px;
        border-radius: 18px;
    }

    .prose {
        font-size: 14.5px;
    }

    .post-nav {
        grid-template-columns: 1fr;
    }

    .post-nav .next {
        text-align: left;
    }

    .cta-band {
        padding: 24px;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }

    .footer-bottom {
        flex-direction: column;
    }

    .footer-note {
        text-align: left;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .post-title,
    .page-title {
        text-wrap: balance;
    }

    .back-top {
        right: 14px;
        bottom: 16px;
    }
}

@media (max-width: 420px) {
    .quick-cats {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero-stat strong {
        font-size: 17px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}

/* =========================================================================
   会员系统（v1.1）
   ========================================================================= */

/* 头部会员入口 ---------------------------------------------------------- */
.header-login {
    padding: 8px 10px;
    border-radius: 9px;
    font-size: 13px;
    color: var(--text-2);
    transition: color .18s, background .18s;
}

.header-login:hover {
    color: var(--brand);
    background: var(--brand-softer);
}

.user-menu {
    position: relative;
}

.user-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 9px 4px 4px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    cursor: pointer;
    list-style: none;
    transition: border-color .18s, box-shadow .18s;
}

.user-trigger::-webkit-details-marker {
    display: none;
}

.user-trigger:hover {
    border-color: rgba(14, 142, 168, .4);
    box-shadow: var(--shadow-sm);
}

.user-avatar {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--grad);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
}

.user-meta {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.2;
}

.user-meta strong {
    max-width: 92px;
    overflow: hidden;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.user-meta em {
    margin-top: 1px;
    font-style: normal;
    font-size: 9.5px;
    color: var(--muted);
}

.user-meta em.level-diamond {
    color: #b45309;
}

.user-meta em.level-supreme {
    color: #be123c;
}

.user-caret {
    color: var(--muted);
    transition: transform .2s;
}

.user-menu[open] .user-caret {
    transform: rotate(180deg);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 95;
    width: 236px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface);
    box-shadow: var(--shadow-lg);
}

.user-dropdown-head {
    display: flex;
    gap: 9px;
    align-items: center;
    padding: 8px;
    margin-bottom: 6px;
    border-bottom: 1px dashed var(--line);
}

.user-dropdown-head strong {
    display: block;
    font-size: 12.5px;
}

.user-dropdown-head em {
    display: block;
    margin-top: 2px;
    font-style: normal;
    font-size: 10px;
    color: var(--muted);
}

.user-dropdown a,
.user-dropdown button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 9px 10px;
    border: 0;
    border-radius: 8px;
    background: none;
    font-size: 12.5px;
    color: var(--text-2);
    text-align: left;
    cursor: pointer;
}

.user-dropdown a:hover,
.user-dropdown button:hover {
    background: var(--surface-2);
    color: var(--brand);
}

.user-logout {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px dashed var(--line);
}

.user-logout button {
    color: #be123c;
}

/* 等级徽标 -------------------------------------------------------------- */
.level-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 500;
    white-space: nowrap;
}

.level-badge.level-free {
    background: var(--surface-2);
    color: var(--muted);
}

.level-badge.level-diamond {
    background: linear-gradient(120deg, #fff4d8, #ffe1a6);
    color: #8a5a00;
}

.level-badge.level-supreme {
    background: linear-gradient(120deg, #ffe4ea, #ffc9d5);
    color: #a4123f;
}

/* 资源卡权限标识 -------------------------------------------------------- */
.cover-tags {
    display: flex;
    align-items: center;
    gap: 5px;
}

.cover-access {
    padding: 3px 7px;
    border-radius: 6px;
    background: #ffd27a;
    color: #4a2c00;
    font-size: 9.5px;
    font-weight: 600;
    letter-spacing: .2px;
}

.cover-access.access-2 {
    background: linear-gradient(120deg, #f43f5e, #fb7185);
    color: #fff;
}

.access-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 11px;
    margin-left: 8px;
    border: 1px solid rgba(255, 255, 255, .26);
    border-radius: 999px;
    background: rgba(255, 255, 255, .12);
    color: #fff;
    font-size: 11px;
    vertical-align: middle;
}

.access-pill.access-2 {
    background: linear-gradient(120deg, rgba(244, 63, 94, .85), rgba(251, 113, 133, .85));
    border-color: transparent;
}

.access-pill.access-login {
    background: rgba(45, 212, 191, .16);
    border-color: rgba(94, 234, 212, .38);
    color: #d7fff9;
}

/* 锁定下载卡 ------------------------------------------------------------ */
.download-card.is-locked {
    border-color: rgba(244, 63, 94, .26);
    background:
        radial-gradient(120% 100% at 100% 0%, rgba(244, 63, 94, .08), transparent 60%),
        linear-gradient(160deg, var(--surface), var(--surface-2));
}

.download-card.is-locked .download-label {
    color: #be123c;
}

.dl-unlocked {
    color: #0f7a55;
    font-weight: 500;
}

.state-icon-lock {
    background: rgba(244, 63, 94, .1);
    color: #e11d48;
}

.state-access {
    display: inline-flex;
    padding: 4px 10px;
    margin-bottom: 10px;
    border-radius: 999px;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 11px;
}

/* 登录 / 注册 ----------------------------------------------------------- */
.auth-wrap {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 44px;
    align-items: center;
    max-width: 1060px;
    padding: 46px 0 10px;
}

.auth-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 11px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--brand);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1.2px;
}

.auth-aside h1 {
    margin: 18px 0 16px;
    font-size: clamp(30px, 3.4vw, 42px);
    line-height: 1.25;
    letter-spacing: -1.2px;
}

.auth-aside > p {
    max-width: 430px;
    margin: 0;
    font-size: 13.5px;
    line-height: 1.9;
    color: var(--muted);
}

.auth-benefits {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 24px 0;
    padding: 0;
    list-style: none;
}

.auth-benefits li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    color: var(--text-2);
}

.auth-benefits .icon {
    color: var(--brand);
}

.auth-quote {
    max-width: 420px;
    padding: 16px 20px;
    border-left: 3px solid var(--brand);
    border-radius: 0 12px 12px 0;
    background: var(--brand-softer);
}

.auth-quote span {
    display: block;
    height: 16px;
    font-size: 30px;
    line-height: 1;
    color: var(--brand);
    opacity: .5;
}

.auth-quote p {
    margin: 2px 0 0;
    font-size: 12px;
    line-height: 1.8;
    color: var(--muted);
}

.auth-card {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--surface);
    box-shadow: var(--shadow-md);
}

.auth-card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.auth-card-head h2 {
    margin: 0 0 4px;
    font-size: 22px;
    letter-spacing: -.4px;
}

.auth-card-head p {
    margin: 0;
    font-size: 12px;
    color: var(--muted);
}

.auth-card-head p a {
    color: var(--brand);
}

.auth-card-head > .icon {
    width: 38px;
    height: 38px;
    color: var(--brand);
    opacity: .3;
}

.auth-card .field,
.member-form .field,
.member-panel .field {
    display: block;
    margin-bottom: 14px;
}

.auth-card .field > span,
.member-form .field > span,
.member-panel .field > span {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--text-2);
}

.auth-card .field > span em,
.member-form .field > span em,
.member-panel .field > span em {
    font-style: normal;
    font-size: 10.5px;
    color: var(--muted);
}

.auth-card .field input,
.auth-card .field select,
.member-form .field input,
.member-form .field select,
.member-panel .field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: var(--surface-2);
    font-size: 13px;
    color: var(--text);
    outline: none;
    transition: border-color .18s, box-shadow .18s;
}

.auth-card .field input:focus,
.member-form .field input:focus,
.member-panel .field input:focus {
    border-color: var(--brand);
    background: var(--surface);
    box-shadow: 0 0 0 3px rgba(14, 142, 168, .1);
}

.auth-card .field-row,
.member-form .field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-alert {
    display: flex;
    align-items: flex-start;
    gap: 7px;
    margin-bottom: 14px;
    padding: 10px 12px;
    border: 1px solid #fecdd3;
    border-radius: 9px;
    background: #fdf2f4;
    color: #9f1239;
    font-size: 12px;
    line-height: 1.6;
}

.form-alert .icon {
    margin-top: 2px;
}

.check-line {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: 2px 0 15px;
    font-size: 11.5px;
    line-height: 1.65;
    color: var(--muted);
}

.check-line input {
    margin-top: 3px;
}

.check-line a {
    color: var(--brand);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.auth-foot {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px dashed var(--line);
}

.auth-foot p {
    display: flex;
    align-items: flex-start;
    gap: 5px;
    margin: 0 0 6px;
    font-size: 10.5px;
    line-height: 1.7;
    color: var(--muted);
}

.auth-foot p:last-child {
    margin-bottom: 0;
}

/* 会员计划 -------------------------------------------------------------- */
.vip-page {
    padding-top: 8px;
}

.vip-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) 330px;
    gap: 34px;
    align-items: center;
    padding: 46px;
    overflow: hidden;
    border-radius: 28px;
    background:
        radial-gradient(80% 130% at 100% 0%, rgba(244, 63, 94, .22), transparent 55%),
        radial-gradient(70% 110% at 0% 100%, rgba(47, 107, 255, .28), transparent 60%),
        linear-gradient(135deg, #0a1828, #111c34);
    color: #fff;
}

.vip-orbit {
    position: absolute;
    right: -80px;
    top: -120px;
    width: 360px;
    height: 360px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 50%;
    box-shadow: 0 0 0 46px rgba(255, 255, 255, .03), 0 0 0 92px rgba(255, 255, 255, .02);
    pointer-events: none;
}

.vip-hero-main {
    position: relative;
    z-index: 2;
}

.vip-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #8fe3f0;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1.6px;
}

.vip-hero h1 {
    margin: 14px 0 16px;
    font-size: clamp(30px, 3.6vw, 44px);
    line-height: 1.24;
    letter-spacing: -1.4px;
}

.vip-hero-main > p {
    max-width: 480px;
    margin: 0;
    font-size: 13px;
    line-height: 1.85;
    color: rgba(255, 255, 255, .62);
}

.vip-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 22px;
    font-size: 11.5px;
    color: rgba(255, 255, 255, .66);
}

.vip-hero-tags span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.vip-hero-tags .icon {
    color: #7fe3f2;
}

.vip-status-card {
    position: relative;
    z-index: 2;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 18px;
    background: rgba(255, 255, 255, .07);
    backdrop-filter: blur(10px);
}

.vip-status-label {
    display: block;
    font-size: 10.5px;
    color: rgba(255, 255, 255, .55);
    letter-spacing: .4px;
}

.vip-status-name {
    display: block;
    margin: 5px 0 8px;
    font-size: 20px;
    letter-spacing: -.3px;
}

.vip-status-card p {
    margin: 10px 0 16px;
    font-size: 11.5px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .62);
}

.vip-status-card .btn {
    color: #0c1929;
}

.vip-status-login {
    display: block;
    margin-top: 12px;
    font-size: 11px;
    color: rgba(255, 255, 255, .6);
    text-align: center;
}

.vip-status-login:hover {
    color: #fff;
}

.vip-section {
    margin-top: 46px;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.plan-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--surface);
    transition: transform .22s, box-shadow .22s, border-color .22s;
}

.plan-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.plan-card.is-highlight {
    border-color: rgba(197, 138, 20, .4);
    box-shadow: 0 22px 52px -34px rgba(180, 120, 10, .5);
}

.plan-card.level-supreme.is-highlight {
    border-color: rgba(190, 18, 60, .3);
}

.plan-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.plan-level {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--muted);
}

.plan-level .icon {
    color: #d97706;
}

.plan-card.level-supreme .plan-level .icon {
    color: #e11d48;
}

.plan-badge {
    padding: 3px 8px;
    border-radius: 999px;
    background: linear-gradient(120deg, #fff0d1, #ffd995);
    color: #7a4c00;
    font-size: 9.5px;
    font-weight: 600;
}

.plan-card.level-supreme .plan-badge {
    background: linear-gradient(120deg, #ffe0e8, #ffc3d2);
    color: #8f1036;
}

.plan-name {
    margin: 12px 0 6px;
    font-size: 18px;
    letter-spacing: -.3px;
}

.plan-desc {
    min-height: 36px;
    margin: 0;
    font-size: 11.5px;
    line-height: 1.65;
    color: var(--muted);
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 7px;
    margin: 16px 0 14px;
}

.plan-price strong {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -1.2px;
}

.plan-price del {
    font-size: 11.5px;
    color: var(--muted);
}

.plan-price span {
    font-size: 10.5px;
    color: var(--muted);
}

.plan-benefits {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 0 0 18px;
    padding: 15px 0 0;
    border-top: 1px dashed var(--line);
    list-style: none;
    font-size: 11.5px;
    line-height: 1.6;
    color: var(--text-2);
}

.plan-benefits li {
    display: flex;
    align-items: flex-start;
    gap: 7px;
}

.plan-benefits .icon {
    margin-top: 2px;
    color: var(--success);
}

.plan-card .btn {
    margin-top: auto;
}

/* 权益对比 -------------------------------------------------------------- */
.vip-compare {
    margin-top: 50px;
}

.compare-table {
    width: 100%;
    margin-top: 16px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 16px;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--surface);
    font-size: 12.5px;
}

.compare-table th,
.compare-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    text-align: center;
}

.compare-table th:first-child,
.compare-table td:first-child {
    text-align: left;
}

.compare-table thead th {
    background: var(--surface-2);
    color: var(--muted);
    font-size: 11.5px;
    font-weight: 500;
}

.compare-table .col-diamond {
    color: #b45309;
}

.compare-table .col-supreme {
    color: #be123c;
}

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

.compare-table .icon {
    display: inline-block;
    color: var(--success);
}

.compare-table .is-muted {
    color: var(--muted);
}

/* 开通与兑换 ------------------------------------------------------------ */
.vip-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 50px;
}

.vip-contact-card,
.vip-redeem-card {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.vip-contact-card h2,
.vip-redeem-card h2 {
    margin: 10px 0 10px;
    font-size: 21px;
    letter-spacing: -.4px;
}

.vip-contact-card > p,
.vip-redeem-card > p {
    margin: 0 0 14px;
    font-size: 12px;
    line-height: 1.8;
    color: var(--muted);
}

.vip-contact-text {
    margin: 0 0 16px;
    padding: 14px;
    border: 1px dashed var(--line-strong);
    border-radius: 10px;
    background: var(--surface-2);
    font-size: 12px;
    line-height: 1.9;
    color: var(--text-2);
}

.vip-contact-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 9px;
}

.vip-notice {
    margin: 22px 0 0;
    font-size: 11px;
    line-height: 1.7;
    color: var(--muted);
    text-align: center;
}

.redeem-form {
    display: flex;
    gap: 8px;
}

.redeem-form .btn {
    flex-shrink: 0;
    white-space: nowrap;
}

.redeem-form input {
    flex: 1;
    width: 100%;
    min-width: 0;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: var(--surface-2);
    font-family: var(--mono);
    font-size: 12.5px;
    letter-spacing: .6px;
    text-transform: uppercase;
}

.redeem-form input:focus {
    border-color: var(--brand);
    background: var(--surface);
    outline: none;
}

.redeem-points {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 18px 0 0;
    padding: 14px 0 0;
    border-top: 1px dashed var(--line);
    list-style: none;
    font-size: 11px;
    line-height: 1.6;
    color: var(--muted);
}

.redeem-points li {
    display: flex;
    align-items: flex-start;
    gap: 6px;
}

.redeem-points .icon {
    margin-top: 2px;
    color: var(--success);
    flex-shrink: 0;
}

.member-panel-hint {
    margin: 12px 0 0;
    font-size: 11px;
    color: var(--muted);
}

.member-panel-hint a {
    color: var(--brand);
}

/* FAQ ------------------------------------------------------------------- */
.vip-faq {
    margin-top: 50px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
}

.faq-list details {
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
}

.faq-list summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    font-size: 13px;
    cursor: pointer;
    list-style: none;
}

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

.faq-list summary::after {
    content: "+";
    color: var(--muted);
    font-size: 16px;
    line-height: 1;
}

.faq-list details[open] summary::after {
    content: "−";
}

.faq-list details p {
    margin: 0;
    padding: 0 18px 16px;
    font-size: 12px;
    line-height: 1.9;
    color: var(--muted);
}

/* 会员中心 -------------------------------------------------------------- */
.member-page {
    padding-top: 24px;
}

.member-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 12px;
    padding: 28px 32px;
    overflow: hidden;
    border-radius: 24px;
    background:
        radial-gradient(90% 140% at 100% 0%, rgba(47, 107, 255, .28), transparent 55%),
        linear-gradient(135deg, #0b1b2d, #112742);
    color: #fff;
}

.member-hero.is-vip {
    background:
        radial-gradient(90% 140% at 100% 0%, rgba(245, 158, 11, .3), transparent 55%),
        radial-gradient(70% 120% at 0% 100%, rgba(244, 63, 94, .18), transparent 60%),
        linear-gradient(135deg, #121a2c, #1d2238);
}

.member-identity {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

.member-avatar {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 18px;
    background: rgba(255, 255, 255, .1);
    font-size: 24px;
    font-weight: 600;
    flex-shrink: 0;
}

.member-name-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
}

.member-name-row h1 {
    margin: 0;
    font-size: 24px;
    letter-spacing: -.4px;
}

.member-sub {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    margin: 6px 0 0;
    font-size: 11.5px;
    color: rgba(255, 255, 255, .62);
}

.member-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
}

.member-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 20px;
    align-items: start;
    margin-top: 20px;
}

.member-main {
    display: flex;
    flex-direction: column;
    gap: 18px;
    min-width: 0;
}

.member-aside {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.member-panel {
    padding: 22px 24px;
}

.member-panel-note {
    margin: 0 0 14px;
    font-size: 12px;
    line-height: 1.8;
    color: var(--muted);
}

.member-panel-note a {
    color: var(--brand);
}

.member-panel-hint {
    font-size: 11px;
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: 9px;
    margin: 0 0 16px;
    padding: 0;
    list-style: none;
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-2);
}

.benefit-list li {
    display: flex;
    align-items: flex-start;
    gap: 7px;
}

.benefit-list .icon {
    margin-top: 2px;
    color: var(--brand);
}

.download-history {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.download-history li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 9px 6px;
    border-radius: 9px;
}

.download-history li:hover {
    background: var(--surface-2);
}

.history-dot {
    width: 5px;
    height: 5px;
    margin-top: 8px;
    border-radius: 50%;
    background: var(--brand);
    flex-shrink: 0;
}

.download-history a {
    font-size: 12.5px;
    color: var(--text-2);
}

.download-history a:hover {
    color: var(--brand);
}

.download-history em {
    display: block;
    margin-top: 2px;
    font-style: normal;
    font-size: 10.5px;
    color: var(--muted);
}

.contact-mini {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.member-quit {
    padding: 14px;
}

.mobile-member {
    margin-top: 16px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface-2);
}

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

.mobile-member-head .user-avatar {
    width: 38px;
    height: 38px;
    font-size: 16px;
}

.mobile-member-head strong {
    display: block;
    font-size: 14px;
}

.mobile-member-head em {
    display: block;
    margin-top: 2px;
    font-style: normal;
    font-size: 10.5px;
    color: var(--muted);
}

.mobile-member-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}

.mobile-member-links a {
    padding: 6px 10px;
    border-radius: 7px;
    background: var(--surface);
    font-size: 11.5px;
    color: var(--text-2);
}

.mobile-auth {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 16px 0 6px;
}

.mobile-sub-link {
    margin-top: 4px;
    font-size: 13px;
}

/* 会员系统响应式 -------------------------------------------------------- */
@media (max-width: 1180px) {
    .plan-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .vip-hero {
        grid-template-columns: minmax(0, 1.3fr) 300px;
        padding: 38px;
    }

    .member-grid {
        grid-template-columns: minmax(0, 1fr) 290px;
    }
}

@media (max-width: 1024px) {
    .user-meta {
        display: none;
    }

    .user-trigger {
        padding: 3px;
        border-color: transparent;
        background: transparent;
    }

    .user-caret {
        display: none;
    }

    .auth-wrap {
        grid-template-columns: 1fr;
        gap: 26px;
        max-width: 560px;
    }

    .auth-aside {
        display: none;
    }

    .vip-hero {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .vip-status-card {
        max-width: 100%;
    }

    .member-grid {
        grid-template-columns: 1fr;
    }

    .member-aside {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

    .member-quit {
        grid-column: 1 / -1;
    }
}

@media (max-width: 820px) {
    .plan-grid {
        grid-template-columns: 1fr;
    }

    .vip-contact-grid {
        grid-template-columns: 1fr;
    }

    .vip-hero {
        padding: 30px;
        border-radius: 22px;
    }

    .vip-hero h1 {
        font-size: 30px;
    }

    .member-hero {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
    }

    .member-actions {
        width: 100%;
    }

    .member-actions .btn {
        flex: 1;
    }

    .auth-card {
        padding: 24px;
    }

    .member-aside {
        grid-template-columns: 1fr;
    }

    .member-quit {
        grid-column: auto;
    }
}

@media (max-width: 640px) {
    .header-login {
        display: none;
    }

    .user-avatar {
        width: 32px;
        height: 32px;
    }

    .vip-hero {
        padding: 24px 20px;
    }

    .vip-hero h1 {
        font-size: 27px;
    }

    .vip-hero-tags {
        gap: 9px;
        font-size: 10.5px;
    }

    .plan-card {
        padding: 20px;
    }

    .compare-table th,
    .compare-table td {
        padding: 10px 8px;
        font-size: 11px;
    }

    .compare-table th:first-child,
    .compare-table td:first-child {
        min-width: 120px;
    }

    .vip-contact-card,
    .vip-redeem-card {
        padding: 22px;
    }

    .member-hero {
        padding: 20px;
    }

    .member-avatar {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        font-size: 20px;
    }

    .member-name-row h1 {
        font-size: 20px;
    }

    .member-panel {
        padding: 18px;
    }

    .redeem-form {
        flex-direction: column;
    }

    .redeem-form .btn {
        width: 100%;
    }

    .auth-card .field-row,
    .member-form .field-row {
        grid-template-columns: 1fr;
    }

    .auth-wrap {
        padding-top: 26px;
    }
}

/* 首页会员横幅 ---------------------------------------------------------- */
.vip-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 20px;
    padding: 16px 22px;
    border: 1px solid rgba(197, 138, 20, .26);
    border-radius: 18px;
    background:
        linear-gradient(120deg, rgba(245, 158, 11, .08), rgba(244, 63, 94, .05)),
        var(--surface);
}

.vip-strip-info {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.vip-strip-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 9px;
    border-radius: 8px;
    background: linear-gradient(120deg, #fff1cd, #ffd991);
    color: #7a4c00;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .8px;
    white-space: nowrap;
}

.vip-strip-info strong {
    display: block;
    font-size: 14px;
    letter-spacing: -.1px;
}

.vip-strip-info p {
    margin: 3px 0 0;
    font-size: 11.5px;
    line-height: 1.6;
    color: var(--muted);
}

.vip-strip .btn {
    flex-shrink: 0;
}

@media (max-width: 820px) {
    .vip-strip {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
        padding: 16px 18px;
    }

    .vip-strip .btn {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .vip-strip-info {
        align-items: flex-start;
    }

    .vip-strip-info p {
        font-size: 11px;
    }
}

/* 交流群二维码弹层 ------------------------------------------------------ */
.qq-trigger {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.qq-pop {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    z-index: 150;
    width: 220px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, 6px);
    transition: opacity .18s, transform .18s, visibility .18s;
    text-align: center;
}

.qq-pop::before {
    content: "";
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
}

.qq-trigger:hover .qq-pop,
.qq-trigger:focus-within .qq-pop,
.qq-trigger.is-open .qq-pop {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.qq-pop img {
    width: 180px;
    height: 180px;
    margin: 0 auto 8px;
    border-radius: 8px;
    background: #fff;
    object-fit: contain;
}

.qq-pop-meta {
    display: block;
    font-size: 11px;
    line-height: 1.7;
    color: var(--muted);
}

.qq-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 20px 8px;
    color: var(--muted);
}

.qq-empty em {
    font-style: normal;
    font-size: 12px;
    color: var(--text-2);
}

.qq-empty small {
    font-size: 10px;
    line-height: 1.6;
}

.topbar {
    position: relative;
    z-index: 70;
}

.topbar .qq-pop {
    left: auto;
    right: 0;
    transform: translateY(6px);
}

.topbar .qq-trigger:hover .qq-pop,
.topbar .qq-trigger:focus-within .qq-pop,
.topbar .qq-trigger.is-open .qq-pop {
    transform: translateY(0);
}

.site-footer .qq-pop,
.about-card .qq-pop {
    left: 0;
    transform: translateY(6px);
}

.site-footer .qq-trigger:hover .qq-pop,
.site-footer .qq-trigger:focus-within .qq-pop,
.site-footer .qq-trigger.is-open .qq-pop,
.about-card .qq-trigger:hover .qq-pop,
.about-card .qq-trigger:focus-within .qq-pop,
.about-card .qq-trigger.is-open .qq-pop {
    transform: translateY(0);
}

.contact-qr-link {
    display: block;
    margin-top: 5px;
}

.qr-link {
    font-size: 10.5px;
    color: var(--brand);
    border-bottom: 1px dashed rgba(14, 142, 168, .45);
}

.qr-link:hover {
    color: var(--brand-strong);
}

.site-footer .qr-link {
    color: #8fe3f0;
    border-bottom-color: rgba(143, 227, 240, .35);
}

.mobile-link.qq-trigger {
    display: flex;
    justify-content: flex-start;
}

@media (max-width: 640px) {
    .qq-pop {
        position: fixed;
        top: 50%;
        left: 50%;
        width: min(270px, 86vw);
        transform: translate(-50%, -50%);
        padding: 14px;
    }

    .qq-trigger:hover .qq-pop,
    .qq-trigger:focus-within .qq-pop,
    .qq-trigger.is-open .qq-pop,
    .topbar .qq-trigger:hover .qq-pop,
    .topbar .qq-trigger:focus-within .qq-pop,
    .topbar .qq-trigger.is-open .qq-pop,
    .site-footer .qq-trigger:hover .qq-pop,
    .site-footer .qq-trigger:focus-within .qq-pop,
    .site-footer .qq-trigger.is-open .qq-pop,
    .about-card .qq-trigger:hover .qq-pop,
    .about-card .qq-trigger:focus-within .qq-pop,
    .about-card .qq-trigger.is-open .qq-pop {
        transform: translate(-50%, -50%);
    }

    .qq-pop::before {
        display: none;
    }

    .qq-pop img {
        width: 200px;
        height: 200px;
    }
}

/* 软件中心 -------------------------------------------------------------- */
.software-page {
    padding-top: 8px;
}

.software-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr);
    gap: 30px;
    align-items: end;
    padding: 38px;
    overflow: hidden;
    border-radius: 26px;
    background:
        radial-gradient(80% 130% at 100% 0%, rgba(47, 107, 255, .3), transparent 55%),
        radial-gradient(70% 120% at 0% 100%, rgba(14, 142, 168, .25), transparent 60%),
        linear-gradient(135deg, #0a1828, #111d33);
    color: #fff;
}

.software-hero h1 {
    margin: 10px 0 12px;
    font-size: clamp(30px, 4vw, 44px);
    letter-spacing: -1.2px;
}

.software-hero-main > p {
    max-width: 520px;
    margin: 0;
    font-size: 13px;
    line-height: 1.85;
    color: rgba(255, 255, 255, .62);
}

.software-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 26px;
    margin-top: 22px;
}

.software-stats span {
    font-size: 10.5px;
    color: rgba(255, 255, 255, .55);
}

.software-stats strong {
    display: block;
    margin-bottom: 2px;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -.5px;
}

.software-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 8px 7px 13px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 13px;
    background: rgba(255, 255, 255, .1);
    backdrop-filter: blur(8px);
}

.software-search .icon {
    color: rgba(255, 255, 255, .6);
}

.software-search input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    color: #fff;
    font-size: 12.5px;
    outline: none;
}

.software-search input::placeholder {
    color: rgba(255, 255, 255, .5);
}

.software-filters {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0 4px;
    padding: 15px 18px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface);
}

.software-filter-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.filter-label {
    flex-shrink: 0;
    width: 32px;
    padding-top: 6px;
    font-size: 11px;
    color: var(--muted);
}

.software-filters .filter-chips {
    flex-wrap: wrap;
}

.software-count {
    margin: 0;
    font-size: 12.5px;
    color: var(--muted);
}

.software-count strong {
    color: var(--text);
}

.software-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.software-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface);
    transition: transform .22s, box-shadow .22s, border-color .22s;
}

.software-card:hover {
    transform: translateY(-4px);
    border-color: rgba(14, 142, 168, .35);
    box-shadow: var(--shadow-lg);
}

.software-cover {
    position: relative;
    display: block;
    aspect-ratio: 16 / 8;
    overflow: hidden;
    background: linear-gradient(135deg, var(--c1, #14532d), var(--c2, #0e7490));
    background-size: cover;
    background-position: center;
}

.software-cover .cover-icon {
    width: 120px;
    height: 120px;
}

.software-cover.has-image .cover-pattern,
.software-cover.has-image .cover-mark {
    display: none;
}

.software-platform {
    position: absolute;
    left: 12px;
    bottom: 12px;
    padding: 4px 8px;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 6px;
    background: rgba(8, 18, 32, .4);
    color: #fff;
    font-size: 10px;
    backdrop-filter: blur(8px);
}

.software-cover .cover-access {
    margin-left: auto;
}

.software-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 8px;
    padding: 16px 18px 18px;
}

.software-title {
    margin: 0;
    font-size: 15px;
    line-height: 1.5;
    letter-spacing: -.1px;
}

.software-title a {
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.software-title a:hover {
    color: var(--brand);
}

.software-desc {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    font-size: 11.5px;
    line-height: 1.65;
    color: var(--muted);
}

.software-specs {
    display: flex;
    gap: 18px;
    padding: 9px 0;
    border-top: 1px dashed var(--line);
    border-bottom: 1px dashed var(--line);
}

.software-specs span {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.software-specs em {
    font-style: normal;
    font-size: 9.5px;
    color: var(--muted);
}

.software-specs strong {
    font-size: 11.5px;
    font-weight: 500;
    color: var(--text-2);
}

.software-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: auto;
    padding-top: 4px;
}

.software-access {
    font-size: 10.5px;
    color: var(--brand);
}

.promo-more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10.5px;
    color: #8fe3f0;
}

.promo-more:hover {
    color: #fff;
}

@media (max-width: 1180px) {
    .software-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .software-hero {
        grid-template-columns: 1fr;
        gap: 22px;
        padding: 28px;
    }

    .software-search {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .software-grid {
        grid-template-columns: 1fr;
    }

    .software-hero {
        padding: 24px 20px;
    }

    .software-hero h1 {
        font-size: 28px;
    }

    .software-stats {
        gap: 18px;
    }

    .software-filters {
        padding: 12px;
    }

    .software-filter-row {
        gap: 8px;
    }

    .filter-label {
        width: 26px;
        font-size: 10.5px;
    }
}