:root {
    --font-body: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-display: "Iowan Old Style", "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
    --bg-canvas: #f2efe7;
    --bg-panel: rgba(247, 244, 238, 0.82);
    --bg-panel-strong: rgba(252, 249, 244, 0.94);
    --bg-panel-dark: rgba(13, 24, 28, 0.82);
    --line-soft: rgba(16, 35, 39, 0.10);
    --line-strong: rgba(16, 35, 39, 0.16);
    --text-primary: #122127;
    --text-secondary: #5d6d74;
    --text-tertiary: #7a8a90;
    --accent: #21484d;
    --accent-strong: #163438;
    --accent-soft: rgba(33, 72, 77, 0.08);
    --signal: #c2964a;
    --signal-soft: rgba(194, 150, 74, 0.14);
    --shadow-soft: 0 20px 56px rgba(16, 28, 35, 0.10);
    --shadow-card: 0 16px 32px rgba(16, 28, 35, 0.08);
    --radius-xl: 30px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 14px;
}

html,
body {
    font-size: 15px;
    min-height: 100%;
}

body {
    position: relative;
    font-family: var(--font-body);
    color: var(--text-primary);
    background:
        radial-gradient(circle at top right, rgba(33, 72, 77, 0.10), transparent 24%),
        radial-gradient(circle at left 15%, rgba(194, 150, 74, 0.10), transparent 24%),
        linear-gradient(180deg, #f6f3ee 0%, #eee8de 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(15, 139, 141, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(15, 139, 141, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.65;
    z-index: -2;
}

body.io-black-mode {
    --bg-canvas: #0b1317;
    --bg-panel: rgba(16, 27, 31, 0.78);
    --bg-panel-strong: rgba(15, 26, 31, 0.92);
    --bg-panel-dark: rgba(7, 12, 15, 0.92);
    --line-soft: rgba(149, 195, 187, 0.10);
    --line-strong: rgba(149, 195, 187, 0.16);
    --text-primary: #eef5f2;
    --text-secondary: #c2d1ce;
    --text-tertiary: #8fa8a3;
    background:
        radial-gradient(circle at top right, rgba(15, 139, 141, 0.22), transparent 22%),
        radial-gradient(circle at left 15%, rgba(239, 127, 94, 0.16), transparent 20%),
        linear-gradient(180deg, #0b1317 0%, #0f1b20 100%);
}

body.io-black-mode::before {
    background:
        linear-gradient(90deg, rgba(159, 215, 208, 0.04) 1px, transparent 1px),
        linear-gradient(rgba(159, 215, 208, 0.04) 1px, transparent 1px);
}

a {
    transition: color .25s ease, background-color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
label:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(15, 139, 141, 0.22);
}

.sidebar-menu.flex-fill::-webkit-scrollbar {
    display: none;
}

.sidebar-popup.sidebar-menu-inner > div > ul > li.sidebar-item > ul {
    position: absolute;
    top: 0;
    left: 10px;
    width: 104px;
    z-index: 99;
}

.sidebar-popup.sidebar-menu-inner ul,
.sidebar-popup.sidebar-menu-inner ul li {
    width: 104px;
}

.page-container {
    background: transparent;
}

.io-grey-mode .page-container .grid-bg {
    background:
        linear-gradient(rgba(15, 139, 141, 0.06) 1px, transparent 0),
        linear-gradient(90deg, rgba(15, 139, 141, 0.06) 1px, transparent 0);
    background-size: 24px 24px;
    background-color: transparent;
}

.io-black-mode .page-container .grid-bg {
    background:
        linear-gradient(rgba(159, 215, 208, 0.04) 1px, transparent 0),
        linear-gradient(90deg, rgba(159, 215, 208, 0.04) 1px, transparent 0);
    background-size: 24px 24px;
    background-color: transparent;
}

.sidebar-nav {
    background: linear-gradient(180deg, rgba(10, 24, 29, 0.90), rgba(11, 16, 23, 0.86));
    border-right: 1px solid rgba(179, 224, 216, 0.14);
    backdrop-filter: blur(18px);
    box-shadow: 24px 0 48px rgba(9, 15, 18, 0.20);
}

.sidebar-logo,
.flex-bottom {
    background: rgba(255, 255, 255, 0.02);
}

.sidebar-logo .logo a {
    display: inline-flex;
    align-items: center;
}

.sidebar-menu-inner ul li a,
.flex-bottom ul li a {
    border-radius: 16px;
    margin: 2px 8px;
    color: var(--text-primary);
}

.sidebar-menu-inner ul li a:hover,
.flex-bottom ul li a:hover,
.sidebar-menu-inner ul li a.is-active,
.sidebar-item.section-active > a {
    background: rgba(33, 72, 77, 0.08);
    color: var(--accent-strong);
}

.sidebar-menu-inner ul li ul li a {
    margin-left: 18px;
    padding-left: 18px;
}

.sidebar-menu-inner ul li ul li a.is-active {
    background: rgba(33, 72, 77, 0.12);
    color: var(--accent-strong);
}

.sidebar-item > a > span,
.flex-bottom a > span {
    letter-spacing: 0.02em;
}

.main-content {
    padding-bottom: 44px;
}

.big-header-banner {
    padding: 18px 18px 0;
}

.big-header-banner .page-header {
    width: auto;
    margin: 0 auto;
    padding: 0 18px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 24px;
    background: rgba(247, 249, 246, 0.26);
    backdrop-filter: blur(16px);
    box-shadow: none;
    transition: background-color .3s ease, box-shadow .3s ease, border-color .3s ease, transform .3s ease;
}

.big-header-banner.header-bg .page-header,
body.is-scrolled .big-header-banner .page-header {
    background: rgba(247, 249, 246, 0.88);
    border-color: rgba(17, 34, 38, 0.10);
    box-shadow: var(--shadow-soft);
}

body.io-black-mode .big-header-banner.header-bg .page-header,
body.io-black-mode.is-scrolled .big-header-banner .page-header {
    background: rgba(13, 24, 28, 0.88);
    border-color: rgba(174, 223, 214, 0.10);
}

.big-header-banner:not(.header-bg) .page-header .navbar-nav > li > a,
.big-header-banner:not(.header-bg) .navbar-menu a:not(.dropdown-item) {
    color: var(--text-primary) !important;
}

.big-header-banner.header-bg .page-header .navbar-nav > li > a,
body.is-scrolled .big-header-banner .page-header .navbar-nav > li > a,
.big-header-banner.header-bg .navbar-menu a:not(.dropdown-item),
body.is-scrolled .big-header-banner .navbar-menu a:not(.dropdown-item) {
    color: var(--text-primary) !important;
}

.big-header-banner:not(.header-bg) .header-mini-btn path {
    stroke: var(--text-primary);
}

.big-header-banner.header-bg .header-mini-btn path,
body.is-scrolled .big-header-banner .header-mini-btn path {
    stroke: var(--text-primary);
}

.site-menu > li > a,
.navbar-menu a:not(.dropdown-item) {
    border-radius: 999px;
    padding: 9px 14px;
    font-weight: 600;
}

.site-menu > li > a:hover,
.site-menu > li.menu-item-has-children:hover > a {
    background: rgba(15, 139, 141, 0.12);
}

.weather {
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 6px;
}

.header-big.css-color {
    position: relative;
    overflow: hidden;
    margin: 0 0 28px;
    padding-top: 20px;
    padding-bottom: 56px;
    border-radius: 36px;
    background-size: cover !important;
    background-position: center !important;
    animation: none;
    box-shadow: var(--shadow-soft);
}

.header-big.css-color::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top left, rgba(33, 72, 77, 0.24), transparent 28%),
        radial-gradient(circle at bottom right, rgba(194, 150, 74, 0.18), transparent 22%),
        linear-gradient(135deg, rgba(7, 18, 24, 0.82), rgba(11, 28, 33, 0.56));
    pointer-events: none;
}

.header-big.css-color::after {
    content: "";
    position: absolute;
    inset: auto 32px 18px 32px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.26), transparent);
    pointer-events: none;
}

.post-top {
    padding-bottom: 56px;
}

.hero-shell {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    padding: 28px 20px 0;
}

.s-search {
    position: relative;
    z-index: 2;
    max-width: 980px;
    padding: 32px 20px 0;
}

.hero-layout {
    display: block;
    max-width: 760px;
    margin: 0 auto 24px;
}

.hero-intro {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
    color: #ffffff;
}

.hero-kicker,
.single-kicker {
    margin-bottom: 14px;
    font-size: 12px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
}

.hero-title,
.single-hero h1,
.error-shell h1 {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 4vw, 4rem);
    line-height: 1.02;
    letter-spacing: -0.02em;
}

.hero-summary {
    margin: 16px auto 0;
    max-width: 34rem;
    font-size: 0.98rem;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.86);
}



.hero-stats {
    margin-top: 0;
    width: min(960px, 100%);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    padding: 4px 12px 28px;
}

.hero-stats span {
    flex: 1 1 180px;
    min-width: 150px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.10);
    color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    text-align: center;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
    box-shadow: 0 18px 30px rgba(15, 23, 42, 0.35);
}

.hero-stats-below {
    position: relative;
    z-index: 2;
    max-width: 860px;
    margin: 18px auto 0;
    padding: 0 20px 28px;
}

.hero-stats span:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.32);
    background: rgba(255, 255, 255, 0.12);
}

.hero-stats strong {
    font-size: clamp(1.2rem, 2vw, 1.35rem);
    color: #ffffff;
}

.search-panel {
    max-width: 860px;
    margin: 0 auto;
    padding: 16px 18px 14px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(20px);
}

.header-big .s-type-list {
    color: #e9f3f3;
}

.header-big .s-type,
.header-big .s-type-list,
.header-big .s-type-list.big {
    width: auto;
}

.s-type-list.big {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.header-big .s-type-list.big {
    display: flex;
    white-space: normal;
}

.s-type-list.big label,
.search-group .search-type label {
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    transition: transform .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}

.s-type-list.big label {
    padding: 9px 16px;
    font-weight: 600;
}

.search-group .search-type {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.search-group .search-type label {
    margin: 0;
    padding: 8px 14px;
}

.s-type-list.big label:hover,
.search-group .search-type label:hover,
.search-group .search-type input:checked + label,
.s-type-list.big label.active {
    background: rgba(15, 139, 141, 0.22);
    border-color: rgba(255, 255, 255, 0.22);
    transform: translateY(-1px);
}

.header-big .search-type input:checked + label:before {
    content: "";
    position: absolute;
    inset: auto auto -6px 50%;
    width: 8px;
    height: 8px;
    margin-left: -4px;
    border-radius: 50%;
    background: #ffffff;
    border: none;
}

.super-search-fm {
    position: relative;
    margin-top: 18px;
    border: 1px solid rgba(16, 35, 39, 0.08);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 14px 32px rgba(10, 22, 27, 0.16);
    overflow: hidden;
}

#search button,
.search-modal button {
    border: none;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #ffffff;
}

#search button {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 50px;
    height: 50px;
    border-radius: 16px;
}

#search button i {
    color: #ffffff;
    font-size: 18px;
}

.header-big #search-text,
.search-modal .search-key {
    height: 66px;
    padding: 0 72px 0 24px;
    border: none;
    background: transparent;
    color: #26363e;
    font-size: 16px;
    letter-spacing: 0.01em;
}

.io-black-mode .header-big #search-text,
.io-black-mode .search-modal .search-key {
    color: #f1f5f3;
}

.search-smart-tips,
.search-hot-text {
    position: absolute;
    z-index: 100;
    width: 100%;
}

.search-hot-text {
    left: 0;
    right: 0;
    top: calc(100% + 8px);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 40px rgba(15, 28, 34, 0.16);
    overflow: hidden;
    border: 1px solid rgba(16, 35, 39, 0.08);
}

.search-hot-text ul {
    margin: 0;
    padding: 6px 0;
}

.search-hot-text ul li {
    display: flex;
    align-items: center;
    line-height: 30px;
    font-size: 14px;
    padding: 8px 20px;
    color: var(--text-secondary);
    cursor: pointer;
}

.io-black-mode .search-hot-text {
    background: rgba(13, 24, 28, 0.96);
    border-color: rgba(164, 214, 205, 0.08);
}

.io-black-mode .search-hot-text ul li {
    color: var(--text-secondary);
}

.search-hot-text ul li.current,
.search-hot-text ul li.is-active,
.search-hot-text ul li:hover {
    background: rgba(15, 139, 141, 0.10);
    color: var(--accent-strong);
}

.search-hot-text ul li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin-right: 12px;
    border-radius: 999px;
    background: rgba(15, 139, 141, 0.10);
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 700;
}

.search-modal .modal-content {
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 28px;
    background: rgba(8, 18, 23, 0.84);
    backdrop-filter: blur(22px);
}

.search-modal .search-key {
    background: rgba(255, 255, 255, 0.92);
    border-radius: 20px;
}

.search-modal .super-search-fm {
    box-shadow: none;
    background: transparent;
    border: none;
}

.content-site {
    padding: 14px 18px 36px;
}

.section-shell {
    margin-bottom: 22px;
    padding: 28px 28px 22px;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(252, 249, 244, 0.94), rgba(246, 242, 235, 0.92));
    backdrop-filter: blur(16px);
    box-shadow: 0 22px 44px rgba(24, 31, 35, 0.06);
}

.section-heading {
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}

.section-heading h4 {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-family: var(--font-display);
    color: var(--text-primary);
}

.section-count {
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

body.motion-ready .url-card {
    opacity: 0;
    transform: translateY(18px);
}

body.motion-ready .url-card.is-visible,
body.motion-ready .section-shell.is-visible,
body.motion-ready .friendlink a.is-visible,
body.motion-ready .hero-intro.is-visible,
body.motion-ready .hero-stats-below.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.section-shell,
.friendlink a,
.hero-intro,
.hero-stats-below,
.reveal-card {
    transition: opacity .45s ease, transform .45s ease;
}

body.motion-ready .section-shell,
body.motion-ready .friendlink a,
body.motion-ready .hero-intro,
body.motion-ready .hero-stats-below {
    opacity: 0;
    transform: translateY(18px);
}

.url-body.default {
    position: relative;
    height: 100%;
}

.site-card-link.card {
    position: relative;
    min-height: 206px;
    height: 100%;
    margin-bottom: 0 !important;
    border: 1px solid var(--line-soft);
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(250, 247, 241, 0.94));
    box-shadow: 0 18px 32px rgba(14, 26, 31, 0.05);
    overflow: hidden;
}

.site-card-link.card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--signal));
    opacity: 0;
    transition: opacity .25s ease;
}

.url-body:hover .site-card-link.card {
    transform: translateY(-4px);
    border-color: var(--line-strong);
    box-shadow: 0 20px 36px rgba(13, 25, 31, 0.08);
}

.url-body:hover .site-card-link.card::before {
    opacity: 1;
}

.site-card-link .card-body {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 18px 18px 18px;
}

.card-badge {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    margin-bottom: 16px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(33, 72, 77, 0.08);
    color: var(--accent-strong);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.has-qrcode .card-badge {
    background: var(--signal-soft);
    color: #b55f47;
}

.url-img {
    width: 58px;
    height: 58px;
    flex: 0 0 58px;
    border-radius: 18px;
    background: linear-gradient(145deg, rgba(33, 72, 77, 0.10), rgba(255, 255, 255, 0.98));
}

.url-card .url-img > img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 14px;
}

.url-card-top {
    gap: 14px;
    margin-bottom: 16px;
}

.url-info strong {
    display: inline-block;
    color: var(--text-primary);
    font-size: 1.18rem;
    line-height: 1.2;
    letter-spacing: 0.01em;
}

.url-info p,
.url-desc {
    margin-top: 6px;
    min-height: 56px;
    color: var(--text-secondary) !important;
    line-height: 1.8;
}

.overflowClip_2 {
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.overflowClip_3 {
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.url-summary {
    font-size: 0.92rem;
    color: var(--text-secondary) !important;
}

.url-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: flex-start;
    margin-top: auto;
    font-size: 12px;
}

.url-host {
    display: inline-flex;
    align-items: center;
    padding: 0;
    border-radius: 0;
    background: transparent;
    color: var(--accent-strong);
    font-weight: 600;
}

.url-host-inline {
    margin-top: 10px;
    font-size: 12px;
    opacity: 0.78;
}

.url-prompt {
    color: var(--accent-strong);
    font-weight: 700;
    letter-spacing: 0.03em;
}

.togo {
    position: absolute;
    top: 14px;
    right: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: rgba(15, 139, 141, 0.10);
    color: var(--accent-strong) !important;
    box-shadow: 0 8px 18px rgba(15, 139, 141, 0.12);
}

.togo:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #ffffff !important;
    transform: translateY(-2px);
}

.friendlink.card {
    border: none;
    border-radius: 20px;
    background: rgba(249, 246, 240, 0.78);
    box-shadow: inset 0 0 0 1px var(--line-soft);
}

.friendlink .card-body {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.friendlink a {
    display: inline-flex;
    align-items: center;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    box-shadow: 0 10px 18px rgba(13, 25, 31, 0.05);
}

.friendlink a::before {
    content: "";
    width: 8px;
    height: 8px;
    margin-right: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--signal));
}

.friendlink a:hover {
    color: var(--accent-strong);
    transform: translateY(-2px);
}

footer.main-footer {
    padding: 0 18px 24px;
    background: transparent;
}

#footer-tools .btn {
    border: 1px solid var(--line-soft);
    background: rgba(255, 248, 241, 0.82);
    box-shadow: 0 10px 22px rgba(13, 25, 31, 0.08);
}

#footer-tools .btn:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.96);
}

.sponsor-popover-trigger .sponsor-ico,
.switch-dark-mode .theme-mode-ico {
    font-size: 18px;
}

.popover {
    max-width: 240px;
    border: 1px solid var(--line-soft);
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
}

.popover-body {
    padding: 12px;
}

.sponsor-popover-inner {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.sponsor-popover-inner img {
    width: 96px;
    height: auto;
    border-radius: 14px;
    box-shadow: 0 10px 24px rgba(13, 25, 31, 0.12);
}

footer.main-footer .footer-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

footer.main-footer .footer-text a {
    color: var(--accent-strong);
}

footer.main-footer .footer-text a:hover {
    color: var(--signal);
}

.single-page .container {
    max-width: 920px;
}

.single-shell {
    margin: 26px auto 0;
    padding: 32px;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-xl);
    background: var(--bg-panel);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-soft);
}

.single-hero {
    margin-bottom: 22px;
}

.single-meta {
    margin-top: 12px;
    color: var(--text-tertiary);
}

.single-content {
    font-size: 15px;
    line-height: 1.85;
}

.single-content a {
    color: var(--accent-strong);
}

.single-content a:hover {
    color: var(--signal);
}

.single-content h1,
.single-content h2,
.single-content h3,
.single-content h4 {
    margin: 24px 0 12px;
    font-family: var(--font-display);
    color: var(--text-primary);
}

.single-content p {
    margin: 14px 0;
}

.single-content img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
}

.error-shell {
    text-align: center;
}

.error-summary {
    max-width: 34rem;
    margin: 18px auto 0;
    color: var(--text-secondary);
    line-height: 1.8;
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
}

.io-black-mode .section-shell,
.io-black-mode .friendlink.card,
.io-black-mode .single-shell,
.io-black-mode #footer-tools .btn,
.io-black-mode .site-card-link.card {
    background: var(--bg-panel);
    border-color: var(--line-soft);
}

.io-black-mode .friendlink a,
.io-black-mode #footer-tools .btn,
.io-black-mode .search-hot-text,
.io-black-mode .super-search-fm {
    background: var(--bg-panel-strong);
}

.io-black-mode .site-card-link.card,
.io-black-mode .single-shell,
.io-black-mode .friendlink a,
.io-black-mode .page-header {
    box-shadow: 0 20px 42px rgba(3, 8, 10, 0.20);
}

.io-black-mode .url-info strong,
.io-black-mode .section-heading h4,
.io-black-mode .single-content h1,
.io-black-mode .single-content h2,
.io-black-mode .single-content h3,
.io-black-mode .single-content h4,
.io-black-mode .single-hero h1,
.io-black-mode .error-shell h1 {
    color: var(--text-primary);
}

.io-black-mode .url-host,
.io-black-mode .section-count {
    background: rgba(15, 139, 141, 0.18);
    color: #9dd8d1;
}

.io-black-mode .card-badge {
    background: rgba(15, 139, 141, 0.18);
    color: #b4ebe6;
}

.io-black-mode .sidebar-menu-inner ul li a,
.io-black-mode .flex-bottom ul li a {
    color: #eef5f2;
}

.io-black-mode .sidebar-menu-inner ul li a:hover,
.io-black-mode .flex-bottom ul li a:hover,
.io-black-mode .sidebar-menu-inner ul li a.is-active,
.io-black-mode .sidebar-item.section-active > a {
    background: rgba(255, 255, 255, 0.10);
    color: #ffffff;
}

.io-black-mode .sidebar-menu-inner ul li ul li a.is-active {
    background: rgba(15, 139, 141, 0.22);
    color: #ffffff;
}

.io-black-mode .has-qrcode .card-badge {
    background: rgba(239, 127, 94, 0.18);
    color: #ffc6b5;
}

.io-black-mode .togo {
    background: rgba(15, 139, 141, 0.18);
    color: #9dd8d1 !important;
}

.io-black-mode .hero-summary,
.io-black-mode .hero-kicker {
    color: rgba(255, 255, 255, 0.84);
}

@media (max-width: 991.98px) {
    .big-header-banner {
        padding: 14px 14px 0;
    }

    .hero-shell {
        max-width: 100%;
        padding: 22px 16px 0;
    }

    .search-panel {
        padding: 16px 14px;
    }

    .section-shell {
        padding: 20px;
    }
}

@media (max-width: 767.98px) {
    html,
    body {
        font-size: 14px;
    }

    .big-header-banner .page-header {
        padding: 0 12px;
        border-radius: 20px;
    }

    .header-big.css-color {
        border-radius: 28px;
        padding-top: 16px;
        padding-bottom: 42px;
    }

    .s-search {
        padding: 28px 14px 0;
    }

    .hero-shell {
        padding: 24px 14px 0;
    }

    .hero-title,
    .single-hero h1,
    .error-shell h1 {
        font-size: clamp(2rem, 10vw, 2.8rem);
    }

    .hero-summary {
        font-size: 0.95rem;
    }

    .hero-intro {
        text-align: center;
        margin: 0 auto;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-stats-below {
        margin-top: 16px;
        padding: 0 12px 24px;
    }

    .hero-stats span {
        flex: 1 1 calc(50% - 8px);
        min-width: 132px;
        width: auto;
    }

    .section-shell,
    .single-shell {
        padding: 18px;
    }

    .section-heading {
        flex-wrap: wrap;
    }

    .section-count {
        margin-left: 34px;
    }

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

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation: none !important;
        transition: none !important;
    }
}