:root {
    --link: #1a3a7b;          
    --link-hover: #0a2a6b;
    --accent: #6366f1;        
    --text: #1b1b1b;
    --text-dim: #5a6b78;
    --row-hover: #e5f3fd;     
    --row-hover-bd: #b6e6fb;
    --row-sel: #cbe8fb;       
    --panel: #ffffff;
    --panel-bd: #d9e2ec;
}

* { -webkit-tap-highlight-color: transparent; box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: "Segoe UI", "Microsoft YaHei", Tahoma, sans-serif;
    color: var(--text);
    background: #0b3d66 url("../image/vista/bgaurora.webp") no-repeat fixed 50% 50% / cover;
}

.desktop {
    min-height: 100vh;
    padding: 26px 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.main-window {
    width: 100%;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 52px);
    box-shadow:
        2px 2px 10px 1px var(--w7-w-bd),
        inset 0 0 0 1px #fffa,
        0 18px 50px rgba(0, 0, 0, 0.55);
}

.title-bar-text .win-icon {
    width: 16px;
    height: 16px;
    border-radius: 2px;
    vertical-align: -3px;
    margin-right: 6px;
}

.main-window > .title-bar .title-bar-controls { pointer-events: none; }

.main-window > .title-bar .title-bar-text {
    text-shadow:
        0 0 7px rgba(255, 255, 255, 0.9),
        0 0 7px rgba(255, 255, 255, 0.8),
        0 0 8px rgba(255, 255, 255, 0.6),
        0 0 10px rgba(255, 255, 255, 0.5);
}

.explorer-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 6px;
    padding: 6px 8px;
    background: linear-gradient(to bottom, #f3f7fb 0%, #e4edf6 100%);
    border-bottom: 1px solid #c7d4e0;
}

#explorer-tabs.tabs {
    margin: 0 6px;
    background:
        linear-gradient(0deg, #ffffff64 0%, #ffffff00 5%, #ffffff00 100%),
        linear-gradient(0deg, #92dbe564 0%, #ffffff00 36%, #ffffff00 100%),
        linear-gradient(0deg, #a0d2d264 0%, #ffffff00 16%, #ffffff00 100%),
        linear-gradient(0deg, #00000016 53%, #ffffff00 53%, #ffffff00 100%),
        linear-gradient(0deg, #ffffff 1%, #ffffff00 2%, #ffffff00 100%),
        linear-gradient(to bottom, #ffffff 1%, #ffffff00 2%, #ffffff00 100%),
        linear-gradient(0deg, #ffffff00 53%, #ffffff32 53%, #ffffff85 100%),
        linear-gradient(to right, rgba(4,80,130,1) 0%, rgba(17,101,132,1) 53%, rgba(29,121,134,1) 100%);
    background-size: 100% 100%;
    border-bottom: 1px solid #000;
    border-left: 1px solid #ffffff64;
    border-right: 1px solid #ffffff85;
    position: relative;
    z-index: 5;
}
#explorer-tabs.tabs > ul {
    list-style: none;
    margin: 0;
    padding: 2px 10px 4px 2px;
    position: relative;
    display: flex;
    align-items: center;
}
#explorer-tabs .tab {
    display: block;
    float: left;
    font-size: 9pt;
    position: relative;
}
#explorer-tabs .tab > .tab-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    color: #fff;                                            
    text-shadow: 1px 1px 5px #000000a0, 1px 1px 1px black;  
    border: 1px solid transparent;
    border-radius: 3px;
    cursor: default;
    text-decoration: none;
    user-select: none;
    background: none;                                       
    box-shadow: none;
}

#explorer-tabs .tab > .tab-link::before,
#explorer-tabs .tab > .tab-link::after {
    content: none;
    display: none;
}
#explorer-tabs .tab > .tab-link img { width: 16px; height: 16px; flex: 0 0 auto; }
#explorer-tabs .tab > .tab-link span { position: relative; top: 1px; }
#explorer-tabs .tab-caret { flex: 0 0 auto; color: #fff; margin-left: 1px; filter: drop-shadow(1px 1px 1px #000000a0); }

#explorer-tabs .tab > .tab-link:hover,
#explorer-tabs.is-open .tab > .tab-link {
    background: none;
    box-shadow: none;
    border: 1px solid transparent;
}

#explorer-tabs .dropdown {
    position: absolute;
    left: 0;
    top: 100%;
    z-index: 10000;
    padding: 9px 0 0;
    border: 1px solid #00000029;
    border-radius: 5px;
    background: #f4f7fb;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
}
#explorer-tabs .dropdown[hidden] { display: none; }

#explorer-tabs .dropdown .pointer,
#explorer-tabs .dropdown .pointer-inner {
    position: absolute;
    width: 0;
    height: 0;
    border-top-width: 0;
    border-bottom: 10px solid transparent;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    display: block;
}
#explorer-tabs .dropdown .pointer { left: 10px; top: -9px; z-index: 3; border-bottom-color: #00000029; }
#explorer-tabs .dropdown .pointer-inner { left: -10px; top: 1px; border-bottom-color: #f4f7fb; }
#explorer-tabs .dropdown-contents1 {
    z-index: 999;
    overflow: hidden;
    position: relative;
    padding: 4px 10px 8px;
}

#explorer-tabs fieldset.display-options {
    text-align: center;
    margin: 3px 0 5px 0;
    padding: 8px 10px;
    border: 1px solid #c6d3df;
    border-radius: 3px;
    background: #fbfdff;
    min-width: 210px;
}
#explorer-tabs fieldset.display-options label {
    display: block;
    clear: both;
    margin: 4px;
    padding: 0;
    text-align: right;
    white-space: nowrap;
    font-size: 9pt;
    color: var(--text);
}
#explorer-tabs fieldset.display-options select { min-width: 96px; margin-left: 4px; }
#explorer-tabs fieldset.display-options hr.dashed {
    border: none;
    border-top: 1px dashed #b9c7d5;
    margin: 6px 0;
}

#explorer-tabs input.button2 {
    background: linear-gradient(to bottom, #f2f2f2 50%, #e0e0e0 50%, #cecece 100%);
    border: 1px solid #566877;
    border-radius: 3px;
    box-shadow: 2px 2px 7px 1px #00000036, inset 0 0 1px 1px #ffffff;
    color: #222;
    min-height: 25px;
    min-width: 75px;
    padding: 0 15px;
    font-size: 9pt;
    cursor: pointer;
    margin-top: 3px;
    transition: .3s;
}
#explorer-tabs input.button2:hover { background: linear-gradient(to bottom, #ffffff 50%, #e8e8e8 50%, #d6d6d6 100%); }
#explorer-tabs input.button2:active { background: linear-gradient(to bottom, #d8d8d8 50%, #cacaca 50%, #bdbdbd 100%); box-shadow: inset 0 1px 3px rgba(0,0,0,0.3); }

#explorer-tabs .helpbutton { margin-left: auto; align-self: center; }
#explorer-tabs .helpbutton a {
    display: block;
    padding: 1px 4px 4px 4px;
    position: relative;
    top: 1px;
    border: 1px solid transparent;
    border-radius: 3px;
    text-decoration: none;
    white-space: nowrap;
    cursor: default;
    transition: filter 0.3s ease, box-shadow 0.25s ease-out;
}
#explorer-tabs .helpbutton a img { width: 16px; height: 16px; display: block; }
#explorer-tabs .helpbutton a:hover {
    background: linear-gradient(to bottom, #ffffff85 0%, #ffffff32 25%, #0000 100%);
    box-shadow: 0 0 10px 10px #81ebff66, inset 0 0 5px 5px #8aecff6b, inset 0 0 0 1px #ffffffa1;
    border: 1px solid #007e9fbf;
    filter: brightness(1.3);
}
#explorer-tabs .helpbutton a:active {
    background: linear-gradient(to bottom, #00000064 0%, #00000016 16%, #0000 100%);
    box-shadow: inset 0 0 0 1px #ffffff00;
    border: 1px solid #00000085;
    top: 3px;
    left: 1px;
}

#explorer-tabs .helpbutton span {
    display: block;
    padding: 1px 4px 4px 4px;
    position: relative;
    top: 1px;
    border: 1px solid transparent;
    border-radius: 3px;
}
#explorer-tabs .helpbutton span img { width: 16px; height: 16px; display: block; }

#explorer-tabs.tabs-static,
#explorer-tabs.tabs-static * { cursor: default; }
#explorer-tabs.tabs-static .tab > .tab-link.is-disabled:hover,
#explorer-tabs.tabs-static .helpbutton span.is-disabled:hover {
    background: none;
    box-shadow: none;
    border: 1px solid transparent;
    filter: none;
}

.locationbar {
    display: flex;
    align-items: center;
    width: 100%;
    margin-left: 2px;
    margin-right: 2px;
}

.mobile-menu-toggle {
    display: none;                 
    flex: 0 0 auto;
    width: 34px;
    height: 28px;
    margin-right: 6px;
    padding: 0;
    box-sizing: border-box;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    border: 1px solid #7a97b3;
    border-radius: 4px;
    background: linear-gradient(to bottom, #fdfefe 0%, #dfeaf5 48%, #cddcec 52%, #eaf3fb 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 1px 1px rgba(0, 0, 0, 0.2);
}
.mobile-menu-toggle .mmt-bar {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 1px;
    background: #1c3550;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}
.mobile-menu-toggle:active {
    background: linear-gradient(to bottom, #cddcec 0%, #dfeaf5 52%, #fdfefe 100%);
}
.mobile-menu-toggle[aria-expanded="true"] {
    background: linear-gradient(to bottom, #bcd6ee 0%, #a7c8e6 100%);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.25);
}

.mobile-menu-toggle::before,
.mobile-menu-toggle::after { content: none; display: none; }

.navbutton {
    position: relative;
    top: 2px;
    flex: 0 0 auto;
    margin-right: 8px;
    float: left;
    padding: 15px 35.5px;
    background: url("../image/vista/ui/navbutton.webp") no-repeat;
}

.leftnavbutton {
    position: absolute;
    padding: 20px;
    left: 2px;
    top: 0px;
    cursor: pointer;
    outline: none;
    transition: .3s;
    background: url("../image/vista/ui/navleft.webp") no-repeat;
}
.leftnavbutton:hover {
    background: url("../image/vista/ui/navleft-hover.webp") no-repeat;
}
.leftnavbutton:active {
    background: url("../image/vista/ui/navleft-active.webp") no-repeat;
    transition: all .0s ease-in-out;
}

.rightnavbutton {
    position: absolute;
    padding: 20px;
    left: 30px;
    top: 0px;
    cursor: pointer;
    outline: none;
    background: url("../image/vista/ui/navright.webp") no-repeat;
}

.leftnavbutton svg,
.rightnavbutton svg { display: none; }

.nav-breadcrumbs {
    display: flex;
    align-items: center;
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    background: transparent;   
}

.crumbg.breadcrumbsbg {
    display: flex;
    align-items: center;
    flex: 1 1 auto;
    min-width: 0;
    height: 22px;
    padding: 0 2px 0 5px;
    overflow: hidden;
    white-space: nowrap;
    background: #ffffffb0;
    border: 1px solid;
    border-color: #000000b0 #00000064 #00000064 #00000064;
    border-radius: 2px;
    box-shadow: inset 0 0 0 1px #ffffffee, 0 0 0 1px #ffffff64;
    transition: background .15s ease;
}
.crumbg.breadcrumbsbg:hover { background: #ffffffd9; }

.crumbg .crumb-drive {
    flex: 0 0 auto;
    width: 16px;
    height: 16px;
    margin-right: 3px;
    position: relative;
    top: 0;
}

.crumb {
    display: inline-flex;
    align-items: center;
    float: none;
    word-wrap: normal;
}
.crumbg.breadcrumbsbg .crumb a {
    display: inline-flex;
    align-items: center;
    cursor: default;
    color: #000;
    font-size: 12px;
    line-height: 18px;
    text-shadow: none;
    text-decoration: none;
    padding: 0 2px 0 3px;
    border: 1px solid transparent;
    border-radius: 0;
}
.crumbg.breadcrumbsbg .crumb a:hover {
    background: linear-gradient(to bottom, #eaf6fd 0%, #d7effc 47%, #bde6fd 53%, #a6d9f4 100%);
    box-shadow: 0 0 0 1px #3c7fb1;
    border: 1px solid #ffffff;
    border-color: #ffffffc0 #ffffffc0 #ffffffa1 #ffffffc0;
}
.crumbg.breadcrumbsbg .crumb a:active {
    background: linear-gradient(to bottom, #a6d9f4 0%, #bde6fd 47%, #d7effc 53%, #eaf6fd 100%);
    border-color: #00000085 #00000000 #00000000 #00000085;
    box-shadow: inset 1px 1px 2px #00000036, 0 0 0 1px #00000064;
}
.crumb span { position: relative; top: 0; }
.crumb a:active span { top: 1px; }

.crumbg.breadcrumbsbg .crumb:not(:last-of-type)::after {
    content: "";
    flex: 0 0 auto;
    width: 7px;
    height: 9px;
    margin: 0 3px 0 2px;
    background-color: #4a6070;
    -webkit-mask: no-repeat center / 7px 9px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 7 9'%3E%3Cpath d='M1 0l5 4.5L1 9V0z' fill='%23000'/%3E%3C/svg%3E");
            mask: no-repeat center / 7px 9px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 7 9'%3E%3Cpath d='M1 0l5 4.5L1 9V0z' fill='%23000'/%3E%3C/svg%3E");
}

.locationbutton,
.refreshbutton {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 20px;
    color: #26506f;
    cursor: pointer;
    background: transparent;
    transition: background .12s ease, box-shadow .12s ease;
}
.locationbutton {
    margin-left: auto;      
    padding: 0 4px;
}
.refreshbutton {
    padding: 0 5px;
    border-left: 1px solid #00000085;
}
.locationbutton:hover,
.refreshbutton:hover {
    background: linear-gradient(to bottom, #d3edfb 0%, #d3edfb 17%, #ceebfb 33%, #c6e9fa 44%, #a2daf7 50%, #89d0f5 78%, #89d0f5 100%);
    box-shadow: inset 0 0 0 1px #ffffff85;
}
.refreshbutton:hover { border-left: 1px solid #00000085; }
.locationbutton:active,
.refreshbutton:active {
    background: linear-gradient(to bottom, #a2daf7 0%, #c6e9fa 50%, #d3edfb 100%);
    box-shadow: inset 1px 1px 2px #00000036;
}

.nav-breadcrumbs li.search-box {
    flex: 0 0 auto;
    margin-left: 6px;
    list-style: none;
}

.mobile-search-toggle {
    display: none;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    min-width: 0;                   
    height: 20px;
    padding: 0 5px;
    border: none;
    border-left: 1px solid #00000085;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: #26506f;
    cursor: pointer;
    transition: background .12s ease, box-shadow .12s ease;
}

.mobile-search-toggle::before,
.mobile-search-toggle::after { content: none; display: none; }
.mobile-search-toggle:hover {
    background: linear-gradient(to bottom, #d3edfb 0%, #d3edfb 17%, #ceebfb 33%, #c6e9fa 44%, #a2daf7 50%, #89d0f5 78%, #89d0f5 100%);
    box-shadow: inset 0 0 0 1px #ffffff85;
}
.mobile-search-toggle:active {
    background: linear-gradient(to bottom, #a2daf7 0%, #c6e9fa 50%, #d3edfb 100%);
    box-shadow: inset 1px 1px 2px #00000036;
}
.address-search {
    position: relative;
    display: inline-flex;
    align-items: center;
}
.address-search input {
    width: 160px;
    height: 22px;
    padding: 0 22px 0 8px;
    font-size: 12px;
    border: 1px solid;
    border-color: #000000b0 #00000064 #00000064 #00000064;
    border-radius: 2px;
    box-shadow: inset 0 0 0 1px #ffffffee, 0 0 0 1px #ffffff64;
    background: #ffffffcc;
    color: var(--text);
    outline: none;
    transition: box-shadow .15s ease, background .15s ease;
}
.address-search input::placeholder { color: var(--text-dim); }

.address-search input::-webkit-search-cancel-button,
.address-search input::-webkit-search-decoration { -webkit-appearance: none; appearance: none; display: none; }
.address-search input { -moz-appearance: textfield; }
.address-search input:focus {
    background: #ffffff;
    box-shadow: inset 0 0 0 1px #ffffff, 0 0 0 1px #3c9ade, 0 0 4px rgba(60, 154, 222, 0.6);
    border-color: #3c9ade;
}

.address-search .search-clear {
    display: none;
    position: absolute;
    right: 3px;
    top: 50%;
    transform: translateY(-50%);
    width: 15px;
    height: 15px;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    line-height: 1;
    color: #5a6b78;
    cursor: pointer;
    border-radius: 50%;
    user-select: none;
}
.address-search .search-clear:hover { background: #d7effc; color: #12406e; }

mark.search-hit {
    background: #fff3a3;
    color: inherit;
    padding: 0 1px;
    border-radius: 2px;
    box-shadow: 0 0 0 1px #f0d75e;
}

.file-row.search-empty {
    display: block;
    cursor: default;
    color: var(--text-dim);
    font-style: italic;
    padding: 14px 10px;
}
.file-row.search-empty:hover { background: transparent; border-color: transparent; box-shadow: none; }
.file-row.search-empty .col-name { display: block; white-space: normal; }
.file-row.search-empty .search-empty-kw { font-style: normal; color: var(--text); }

.win7-loading {
    position: fixed;
    inset: 0;
    z-index: 9998;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
}
.win7-loading.is-active { display: flex; }
.win7-spinner {
    width: 48px;
    height: 48px;
    background: url("../image/vista/ui/loading.webp") no-repeat center / 48px 48px;
    image-rendering: auto;
}
@media (prefers-reduced-motion: reduce) {
    .win7-spinner { opacity: 0.9; }
}

.scroll-page {
    position: fixed;
    right: max(12px, calc((100vw - 1200px) / 2 - 6px));
    bottom: 25px;
    z-index: 9999;
    display: none;                 
    cursor: pointer;
    font-size: 20px;
    border-radius: 30px;
    border: 1px solid #5f7a86;
    background: linear-gradient(150deg, hsl(200deg 60% 96% / 96%), hsl(200deg 55% 82% / 80%) 100%);
    box-shadow:
        0 0 1px 2px #00000024,
        0 -1px 1px #000000ba,
        1px 0 1px #00000054,
        inset 0 0 10px #ffffff42,
        inset 0 0 0 2px #bbf7ff5c,
        7px 4px 13px #00000040,
        inset 2px -3px 2px #63fff391;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    -webkit-box-reflect: below 3% linear-gradient(transparent, transparent 60%, rgb(0 0 0 / 10%));
    transition: box-shadow .25s ease-out, background .25s ease-out;
}
.scroll-page.is-visible { display: block; }
.scroll-page:hover {
    opacity: 0.95;
    background: linear-gradient(150deg, hsl(188deg 100% 91%), hsl(186deg 100% 85% / 23%) 40%);
    box-shadow:
        0 0 1px 2px #00000024,
        0 -1px 1px #2cd3fe,
        1px 0 1px #00000054,
        inset 0 0 10px #ffffff66,
        inset 0 0 0 2px #ffffff94,
        -7px 4px 13px #00000057,
        inset 2px -3px 2px #00d0ff,
        0 0 15px #004b615c,
        1px 15px 50px 1px #9ef9ff94;
}
.scroll-page i {
    display: block;
    color: #1f4a63;
    line-height: 0;
}
.scroll-page i svg { display: block; width: 40px; height: 40px; padding: 10px; box-sizing: content-box; }
.scroll-page .scroll-up  { padding-bottom: 5px; }
.scroll-page .scroll-down { padding-top: 5px; }
.scroll-page i:hover { color: #0b6f93; }

@media only screen and (max-width: 800px) {
    .scroll-page { display: none !important; }
}

.explorer-body {
    flex: 1;
    display: flex;
    align-items: stretch;
    margin: 0 6px;
    padding: 0;
    gap: 0;
    border: 1px solid var(--w7-w-bd);
    border-bottom: 0;
    box-shadow: inset 1px 0 0 #fff9, inset -1px 0 0 #fff9, 0 -1px 0 #fff9;
    background: #ffffff url("../image/vista/aerocover.png") repeat;
}

.explorer-sidebar {
    width: 210px;
    flex-shrink: 0;
    padding: 14px 12px;
    background: linear-gradient(to bottom, #eef4fb 0%, #e2ecf6 100%);
    border-right: 1px solid #cad7e4;
    overflow: visible;              
}

.sidebar-profile { text-align: center; padding: 6px 0 14px; }

.sidebar-profile .profile-avatar-frame {
    position: relative;
    display: inline-block;
    width: 112px;
    height: 112px;
    -webkit-box-reflect: below -16% linear-gradient(transparent, transparent 60%, rgba(0, 0, 0, 0.35));
}
.sidebar-profile .profile-avatar-frame::after {
    content: "";
    position: absolute;
    inset: 0;
    background: url("../image/vista/noavatar.png") no-repeat center / 100% 100%;
    pointer-events: none;
}
.sidebar-profile .profile-img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 82px;
    height: 82px;
    object-fit: cover;
    border: none;
    border-radius: 3px;
    box-shadow: none;
    background: transparent;
}

.sidebar-profile .profile-name { position: relative; z-index: 1; margin-top: -8px; font-size: 14px; font-weight: 700; color: #1c3550; }
.sidebar-profile .profile-bio { margin-top: 3px; font-size: 12px; line-height: 1.5; color: var(--text-dim); }

.nav-tree {
    margin-top: 6px;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
}
.nav-tree, .nav-tree ul, .nav-tree li { list-style: none; }

.nav-tree ul { margin: 2px 0 8px; padding-left: 14px; }
.nav-tree ul::before, .nav-tree li::before { display: none !important; }
.nav-tree summary { font-weight: 700; color: #2a557f; padding: 3px 0; cursor: pointer; }
.nav-tree a {
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 7px 6px;
    font-size: 13px;
    color: var(--text);
    text-decoration: none;
    border-radius: 3px;
    border: 1px solid transparent;
    transform-origin: left center;
    transition: all 0.12s cubic-bezier(0.2, 0, 0.2, 1);
}

.nav-tree .nav-ico {
    width: 16px;
    height: 16px;
    object-fit: cover;
    border-radius: 2px;
    opacity: 0.55;
    filter: grayscale(100%) brightness(115%) drop-shadow(0 2px 3px rgba(0, 0, 0, 0.25));
    transition: opacity 0.12s, filter 0.12s, transform 0.12s;
    transform-origin: left center;
    flex: 0 0 auto;
}

.nav-tree a:hover {
    background:
        linear-gradient(to right, rgba(160, 251, 255, 0.31) 0%, rgba(17, 101, 132, 0) 53%, rgba(29, 121, 134, 0) 100%),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.35) 0%, rgba(0, 177, 212, 0.28) 100%),
        linear-gradient(155deg, rgba(120, 242, 255, 0.55), rgba(255, 255, 255, 0.4) 40%);
    color: #0d2f4a;
    font-size: 15px;
    font-weight: 600;
    gap: 14px;                        
    border-radius: 8px;
    border: 1px solid rgba(0, 76, 97, 0.55);
    transform: translateX(8px) scale(1.02);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.7);
}
.nav-tree a:hover .nav-ico {
    opacity: 1;
    filter: grayscale(0%) brightness(100%) drop-shadow(0 3px 5px rgba(0, 0, 0, 0.45));
    transform: scale(1.75);           
}
.nav-tree a:active { transform: translateX(8px) scale(1); }

@keyframes win7-sidebar-open {
    0%   { opacity: 0; filter: blur(3px); transform: scale(0.95) translateY(8px); }
    100% { opacity: 1; filter: blur(0px); transform: scale(1) translateY(0); }
}

.nav-tree > li > details {
    animation: win7-sidebar-open 0.7s cubic-bezier(.2, .8, .2, 1) both;
    transform-origin: top left;
}
.nav-tree > li:nth-child(2) > details { animation-delay: 0.12s; }
@media (prefers-reduced-motion: reduce) {
    .nav-tree > li > details { animation: none; }
    .nav-tree a, .nav-tree .nav-ico { transition: none; }
}

.explorer-content {
    flex: 1;
    min-width: 0;
    padding: 0;
    background: #ffffff;
}

#main-container { width: 100%; }

.explorer-list { width: 100%; }

.file-list { margin-bottom: 18px; }

.list-head {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) 120px minmax(0, 2fr);
    align-items: center;
    gap: 12px;
    padding: 5px 10px;
    font-size: 12px;
    color: #5a6b78;
    background: linear-gradient(to bottom, #fbfdff 0%, #eef4fa 100%);
    border: 1px solid #dbe5ef;
    border-top: none;
    border-left: none;
    border-radius: 0;
}
.list-head .col-name { padding-left: 50px; }
.list-head span { border-right: 1px solid #e2e9f1; }
.list-head span:last-child { border-right: none; }

.file-list {
    list-style: none;
    margin: 0;
    padding: 0;
    border: 1px solid #dbe5ef;
    border-top: none;
    border-left: none;
    border-radius: 0;
}

.file-row {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) 120px minmax(0, 2fr);
    align-items: center;
    gap: 12px;
    padding: 0 10px;
    cursor: pointer;
    border: 1px solid transparent;
    border-bottom: 1px solid #e2e9f1;
    border-radius: 0;
}
.file-row:nth-child(2n) { background: transparent; }

.file-row {
    position: relative;
    transition: box-shadow .18s ease-out, background .18s ease-out;
}
.file-row:hover {
    background: linear-gradient(to bottom, #f8fbff 0%, #e4f3ff 50%, #cfedff 100%);
    border-color: transparent;
    box-shadow:
        0 0 5px #e7fffe,
        0 2px 10px #90d9ff,
        inset 0 0 0 1px #93d5f5,
        inset 0 0 0 2px #ffffff;
    z-index: 2;
}

.file-row:focus,
.file-row:focus-visible,
.file-row:focus-within {
    outline: none;
    background: none;
    border-color: transparent;
}

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

.file-row .col-name,
.file-row .col-date {
    border-right: 1px solid #e2e9f1;
    padding-right: 12px;
}
.file-row .col-name,
.file-row .col-date,
.file-row .col-desc {
    align-self: stretch;
    display: flex;
    align-items: center;
    padding-top: 12px;
    padding-bottom: 12px;
}

.file-ico {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    object-fit: contain;
    border-radius: 0;
}
.file-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--link);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-row:hover .file-title { text-decoration: none; color: var(--link-hover); }

.col-date { font-size: 13px; color: var(--text-dim); white-space: nowrap; }

.col-desc { min-width: 0; font-size: 14px; color: var(--text-dim); overflow: hidden; }
.file-excerpt {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.links-page .article-title { margin-bottom: 14px; }
.links-intro { margin: 0 0 18px; }
.links-empty { color: var(--text-dim); font-size: 15px; }

.links-grid {
    list-style: none;
    margin: 0 0 8px;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(118px, 1fr));
    gap: 14px;
}
.link-card { min-width: 0; }

.link-card a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 8px 4px;
    text-decoration: none;
    color: #16273a;
    transition: transform .12s;
}
.link-card a:hover { transform: translateY(-2px); }
.link-card a:hover .link-name { color: var(--link); }

.link-logo {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 5px;
    background: #fff;
    border: 3px solid;
    border-color: #fdfdfd #c8ced6 #aeb6c0 #dfe4ea;
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.95),   
        inset 0 1px 2px rgba(255, 255, 255, 0.9),     
        inset 0 -1px 2px rgba(120, 130, 145, 0.35),   
        0 1px 3px rgba(0, 0, 0, 0.3);                 
    transition: box-shadow .12s, border-color .12s;
}
.link-card a:hover .link-logo {
    border-color: #ffffff #d4dae2 #b8c0ca #e6ebf1;
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 1),
        inset 0 1px 2px rgba(255, 255, 255, 0.95),
        inset 0 -1px 2px rgba(120, 130, 145, 0.4),
        0 3px 8px rgba(60, 130, 200, 0.4);
}
.link-name {
    max-width: 100%;
    font-size: 14px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.links-apply {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--panel-bd);
}
.links-apply-title { font-size: 18px; font-weight: 700; color: #16273a; margin: 0 0 4px; }
.links-apply-note { font-size: 14px; color: var(--text-dim); margin: 0 0 14px; line-height: 1.7; }
.links-apply-note strong { color: #16273a; font-weight: 600; }

.twikoo-mount { margin-top: 6px; }

.twikoo-unconfigured {
    padding: 14px 16px;
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.7;
    background: linear-gradient(to bottom, #fbfdff 0%, #f1f6fb 100%);
    border: 1px solid var(--panel-bd);
    border-radius: 6px;
}
.twikoo-unconfigured p { margin: 0 0 6px; }
.twikoo-unconfigured p:last-child { margin-bottom: 0; }
.twikoo-unconfigured strong { color: #16273a; }
.twikoo-hint { font-size: 12px; color: #9aa7b3; }

@media (max-width: 820px) {
    .links-grid { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; }
    .link-logo { width: 52px; height: 52px; }
}
.file-tags { display: none; }

.row-preview {
    position: absolute;
    z-index: 10000;
    width: 360px;
    display: none;
    padding: 10px;
    font-size: 12px;
    color: rgb(99, 99, 99);
    background: linear-gradient(rgb(253, 253, 253) 0%, rgb(222, 222, 236) 100%);
    border: 1px solid rgb(99, 99, 99);
    border-radius: 3px;
    box-shadow: rgba(0, 0, 0, 0.52) 3px 3px 4px;
}
.row-preview.is-visible { display: block; }

.row-preview .rp-cover {
    float: left;
    width: 60px;
    height: 60px;
    margin: 0 12px 2px 0;
    object-fit: cover;
    border: none;
    border-radius: 0;
    -webkit-box-reflect: below -16% linear-gradient(transparent, transparent 60%, rgba(0, 0, 0, 0.3));
}

.row-preview .rp-title {
    font-size: 12px;
    font-weight: 600;
    color: rgb(15, 52, 124);
    margin-bottom: 3px;
    line-height: 1.35;
}

.row-preview .rp-excerpt {
    font-size: 12px;
    line-height: 1.5;
    color: rgb(15, 52, 124);
    overflow: hidden;
}

.row-preview .rp-arrow {
    position: absolute;
    top: -6px;
    left: 50%;
    margin-left: -5px;
    width: 10px;
    height: 10px;
    background: rgb(253, 253, 253);
    border-top: 1px solid rgb(99, 99, 99);
    border-left: 1px solid rgb(99, 99, 99);
    transform: rotate(45deg);
}

.row-preview.rp-up .rp-arrow {
    top: auto;
    bottom: -6px;
    background: rgb(222, 222, 236);
    border-top: none;
    border-left: none;
    border-bottom: 1px solid rgb(99, 99, 99);
    border-right: 1px solid rgb(99, 99, 99);
    transform: rotate(45deg);
}

.year-sep {
    margin: 16px 0 0;
    padding: 4px 10px;
    font-size: 15px;
    font-weight: 700;
    color: #1c3550;
    background: linear-gradient(to bottom, #eef4fa 0%, #dfe9f4 100%);
    border: 1px solid #dbe5ef;
    border-left: none;
    border-radius: 0;
}

.archive-list-view .year-sep:first-child {
    margin-top: 0;
    border-top: none;
}
.archive-list-view .file-list { margin-bottom: 8px; }

.taxonomy-head {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin: 0;
    padding: 8px 12px;
    font-size: 14px;
    color: #1c3550;
    background: linear-gradient(to bottom, #eef4fa 0%, #dfe9f4 100%);
    border-bottom: 1px solid #dbe5ef;
}
.taxonomy-head .taxonomy-kind { color: #5a6b78; }
.taxonomy-head .taxonomy-name { font-size: 16px; font-weight: 700; color: #16273a; }
.taxonomy-head .taxonomy-count { margin-left: auto; color: #5a6b78; font-size: 13px; }
.taxonomy-empty { padding: 24px 14px; color: #5a6b78; }

.tag-cloud {
    padding: 18px 16px;
    line-height: 2.4;
}
.tag-cloud a {
    display: inline-block;
    margin: 0 10px 6px 0;
    color: var(--link);
    text-decoration: none;
    transition: color .15s;
}
.tag-cloud a:hover { color: var(--link-hover); text-decoration: underline; }

.error-404 { min-height: 300px; }
.error-404-box {
    max-width: 460px;
    margin: 40px auto;
    padding: 24px 20px 28px;
    text-align: center;
}
.error-404-ico {
    width: 72px;
    height: 72px;
    image-rendering: -webkit-optimize-contrast;
}
.error-404-code {
    margin-top: 8px;
    font-size: 56px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 2px;
    color: #4a6a8a;
    text-shadow: 0 1px 0 #fff;
}
.error-404-title {
    margin: 6px 0 10px;
    font-size: 20px;
    font-weight: 700;
    color: #2b4a63;
}
.error-404-desc {
    margin: 0 0 20px;
    font-size: 15px;
    line-height: 1.8;
    color: #5a6b78;
}
.error-404-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.error-404-actions button { min-width: 96px; padding: 4px 14px; }

.article-view {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    padding: 28px 40px 40px;
}

.article-title {
    margin: 0 0 6px;
    padding: 0;
    font-size: 26px;
    font-weight: 700;
    color: #16273a;
    line-height: 1.35;
}

.article-meta {
    font-size: 12px;
    color: var(--text-dim);
    padding-bottom: 14px;
    margin-bottom: 16px;
    border-bottom: 1px solid #e6edf4;
}
.article-meta .meta-sep { margin: 0 6px; color: #b7c3cf; }

.post-content { font-size: 17px; line-height: 1.85; color: #24313d; }

.post-content h1, .post-content h2, .post-content h3,
.post-content h4, .post-content h5, .post-content h6 {
    margin-top: 1.5em;
    margin-bottom: 0.7em;
    font-weight: 800;
    line-height: 1.3;
    color: #1a2b3c;
}
.post-content h2 { border-bottom: 1px solid #eaeff4; padding-bottom: 0.3em; }

.post-content p { margin-bottom: 1.4em; }

.post-content a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}
.post-content a:hover { border-bottom-color: var(--accent); }

.post-content strong { font-weight: 700; color: #000; }
.post-content em { font-style: italic; }
.post-content del { color: #999; text-decoration: line-through; }

.post-content ul, .post-content ol { margin-bottom: 1.4em; padding-left: 2em; }
.post-content li { margin-bottom: 0.4em; }
.post-content li ul, .post-content li ol { margin-top: 0.4em; margin-bottom: 0; }

.post-content blockquote {
    margin: 0 0 1.4em;
    padding: 8px 18px;
    border-left: 4px solid var(--accent);
    background-color: #f6f6fe;
    color: #55607a;
}
.post-content blockquote p { margin: 0; }

.post-content img { max-width: 100%; height: auto; display: block; margin: 1.4em auto; border-radius: 4px; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12); }

.post-content table { width: 100%; border-collapse: collapse; margin-bottom: 1.4em; display: block; overflow-x: auto; }
.post-content th, .post-content td { border: 1px solid #dfe2e5; padding: 6px 13px; }
.post-content th { background-color: #eef0fb; color: #3a3f66; font-weight: 700; }
.post-content tr:nth-child(2n) { background-color: #f8f9fa; }

.post-content :not(pre) > code {
    background-color: #eef0fb;
    color: var(--accent);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
    font-size: 85%;
}

.post-content pre, .post-content .highlight {
    position: relative;
    background-color: #fafafa;
    padding: 12px 14px;
    margin: 0 0 1.4em;
    border: 1px solid #e3e8ee;
    border-radius: 4px;
    overflow-x: auto;
    line-height: 1.6;
    font-family: Consolas, monospace;
    font-size: 15px;
}

.post-content .highlight table {
    margin: 0;
    border: none;
    width: 100%;
    table-layout: auto;
    border-collapse: collapse;
}
.post-content .highlight td,
.post-content .highlight th { border: none; padding: 0; vertical-align: top; }

.post-content .highlight pre,
.post-content .highlight code {
    margin: 0;
    padding: 0;
    border: none;
    background: none;
    border-radius: 0;
    overflow: visible;
    font-size: 15px;      
    line-height: 1.6;
}

.post-content .highlight .gutter {
    width: 1%;
    white-space: nowrap;
    color: #999;
    text-align: right;
    border-right: 1px solid #e3e8ee;
    padding-right: 10px;
    -webkit-user-select: none;
    user-select: none;
}
.post-content .highlight .gutter pre { text-align: right; }

.post-content .highlight .code {
    padding-left: 12px;
    width: 100%;
}
.post-content .highlight .code pre { white-space: pre; }

.code-copy-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    padding: 2px 10px;
    font-size: 12px;
    color: #333;
    background: linear-gradient(to bottom, #fdfdfd 0%, #e6e6e6 100%);
    border: 1px solid #adb6bf;
    border-radius: 3px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s;
}
.post-content pre:hover .code-copy-btn,
.post-content .highlight:hover .code-copy-btn { opacity: 1; }

.mjx-chtml { outline: 0; max-width: 100%; overflow-x: auto; overflow-y: hidden; }

.video-embed {
    position: relative;
    width: 100%;
    margin: 1.4em 0;
    padding-top: 56.25%;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid #cdd6df;
    background: #000;
}
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.douyin {
    width: min(324px, 100%);
    margin: 1.4em auto;
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid #cdd6df;
    background: #000;
}
.douyin iframe { display: block; width: 100%; aspect-ratio: 0.4821; border: 0; }
@media screen and (min-width: 769px) { .douyin { width: min(360px, 100%); } }
.douyin.douyin-pc { width: 100%; max-width: 100%; }
.douyin.douyin-pc iframe { aspect-ratio: 16 / 9; }
@media screen and (max-width: 768px) {
    .douyin.douyin-pc iframe { aspect-ratio: 0.4821; }
    .douyin.douyin-pc { width: min(324px, 100%); margin-inline: auto; }
}

.page-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 26px 0 6px;
    flex-wrap: wrap;
}
.page-nav a, .page-nav .page-number, .page-nav .space {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 30px;
    padding: 0 12px;
    font-size: 14px;
    color: var(--text);
    text-decoration: none;
    border: 1px solid #b7c2ce;
    border-radius: 4px;
    background: linear-gradient(to bottom, #ffffff 0%, #f3f6fa 48%, #e7edf4 50%, #dbe4ee 100%);
    box-shadow: inset 0 1px 0 #ffffff, 0 1px 1px rgba(0,0,0,0.05);
    transition: background 0.12s, border-color 0.12s, box-shadow 0.12s;
}
.page-nav a:hover {
    background: linear-gradient(to bottom, #f4fbff 0%, #dceffb 48%, #cbe6f8 50%, #b9dcf5 100%);
    border-color: #6ea6d6;
    box-shadow: inset 0 1px 0 #ffffff, 0 0 4px rgba(110,166,214,0.55);
}
.page-nav a:active { background: linear-gradient(to bottom, #cbe6f8 0%, #b9dcf5 100%); }
.page-nav .page-number.current {
    background: linear-gradient(to bottom, #dceffb 0%, #a9d6f4 100%);
    border-color: #5b98cc;
    color: #123a5e;
    font-weight: 700;
    box-shadow: inset 0 1px 2px rgba(91,152,204,0.4);
    cursor: default;
}
.page-nav .space { border: none; background: none; box-shadow: none; min-width: auto; padding: 0 2px; }

.post-nav {
    max-width: 920px;
    margin: 6px auto 0;
    padding: 18px 40px 40px;
    display: flex;
    gap: 14px;
}
.post-nav-item {
    flex: 1 1 0;
    min-width: 0;                 
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 16px;
    border: 1px solid #d9e2ec;
    border-radius: 5px;
    background: linear-gradient(to bottom, #ffffff 0%, #f6f9fc 100%);
    box-shadow: inset 0 1px 0 #ffffff, 0 1px 2px rgba(0,0,0,0.04);
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s, background 0.15s, transform 0.15s;
}
.post-nav-item.is-empty {
    background: none;
    border: none;
    box-shadow: none;
    pointer-events: none;
}
.post-nav-next { text-align: right; align-items: flex-end; }
.post-nav-dir {
    font-size: 13px;
    color: var(--text-dim);
}
.post-nav-arrow { font-weight: 700; }
.post-nav-title {
    font-size: 15px;
    color: #16273a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    transition: color 0.15s;
}
.post-nav-item:hover {
    border-color: #6ea6d6;
    background: linear-gradient(to bottom, #f6fbff 0%, #e6f3fc 100%);
    box-shadow: inset 0 1px 0 #ffffff, 0 2px 6px rgba(110,166,214,0.35);
    transform: translateY(-1px);
}
.post-nav-item, .post-nav-item:hover,
.post-nav-item .post-nav-title,
.post-nav-item:hover .post-nav-title { text-decoration: none; }
.post-nav-item:hover .post-nav-title { color: var(--link); }

.post-comments {
    max-width: 920px;
    margin: 24px auto 0;
    padding: 20px 40px 8px;
}
.post-comments-title {
    font-size: 18px;
    font-weight: 700;
    color: #16273a;
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--panel-bd);
}
@media (max-width: 820px) {
    .post-comments { padding: 16px 16px 4px; }
}

.twikoo .tk-content p { margin: 4px 0; }
.twikoo .tk-content p:first-child { margin-top: 0; }
.twikoo .tk-content p:last-child { margin-bottom: 0; }

.twikoo .tk-content { margin-top: 2px; }

.site-footer {
    margin: 0 6px 6px;
    border: 1px solid var(--w7-w-bd);
    border-top: 0;
    box-shadow: 0 1px 0 #fff9, inset 1px 0 0 #fff9, inset -1px 0 0 #fff9;
}
.site-footer .status-bar-field a { color: var(--link); text-decoration: none; }
.site-footer .status-bar-field a:hover { text-decoration: underline; }

.site-footer .footer-beian .beian-sep { margin: 0 4px; color: var(--text-dim); }
.site-footer .status-bar-field { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.details-pane {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 3px 16px;
    min-height: 64px;
    margin: 0 6px;
    border-left: 1px solid var(--w7-w-bd);
    border-right: 1px solid var(--w7-w-bd);
    box-shadow: inset 1px 0 0 #fff9, inset -1px 0 0 #fff9;
    background:
        url("../image/vista/ui/detailsbg.webp") no-repeat 100% 50%,
        linear-gradient(rgba(0, 66, 138, 0.18) 1%, rgba(1, 3, 4, 0) 10%, rgba(0, 0, 0, 0) 31%, rgba(0, 0, 0, 0) 100%),
        linear-gradient(to right, rgb(247, 253, 255) 0%, rgb(243, 251, 254) 0%, rgb(236, 251, 254) 50%, rgb(187, 217, 240) 99%, rgb(187, 217, 240) 100%, rgb(214, 232, 246) 100%);
}
.details-pane-ico {
    width: 48px;
    height: 48px;
    flex: 0 0 auto;
    object-fit: contain;
}
.details-pane-text {
    font-size: 13px;
    color: #000;
    align-self: center;
    margin-top: 14px;
}

.music-gadget {
    position: fixed;
    left: 28px;
    bottom: 28px;
    width: 306px;
    z-index: 50;
    box-shadow:
        2px 2px 10px 1px var(--w7-w-bd),
        inset 0 0 0 1px #fffa,
        0 12px 30px rgba(0, 0, 0, 0.5);
}

.music-gadget.collapsed .window-body { display: none; }

.music-gadget > .title-bar { cursor: move; touch-action: none; }
.music-gadget > .title-bar .title-bar-controls { cursor: default; }
.music-gadget.dragging { user-select: none; }
.music-gadget.dragging,
.music-gadget.dragging * { cursor: move; }

.attach-gadget {
    position: fixed;
    right: 28px;
    bottom: 28px;
    width: 260px;
    z-index: 50;
    box-shadow:
        2px 2px 10px 1px var(--w7-w-bd),
        inset 0 0 0 1px #fffa,
        0 12px 30px rgba(0, 0, 0, 0.5);
}
.attach-gadget.collapsed .window-body { display: none; }

.attach-gadget > .title-bar { cursor: move; touch-action: none; }
.attach-gadget > .title-bar .title-bar-controls { cursor: default; }
.attach-gadget.dragging { user-select: none; }
.attach-gadget.dragging,
.attach-gadget.dragging * { cursor: move; }

.attach-title-ico { width: 16px; height: 16px; vertical-align: -3px; margin-right: 4px; }

.attach-body { padding: 10px 12px; max-height: 320px; overflow-y: auto; }

.attach-body { scrollbar-width: thin; scrollbar-color: #a9c6dd #eef4fa; }
.attach-body::-webkit-scrollbar { width: 10px; }
.attach-body::-webkit-scrollbar-track { background: #eef4fa; border-left: 1px solid #d3e0ec; }
.attach-body::-webkit-scrollbar-thumb {
    background: linear-gradient(to right, #cfe2f2, #9dc0dc);
    border: 1px solid #7ba7c9;
    border-radius: 6px;
}
.attach-body::-webkit-scrollbar-thumb:hover { background: linear-gradient(to right, #d8ebfb, #8fb8db); }

.attach-body .portal-side { font-size: 12px; line-height: 1.6; color: #333; }
.attach-body .portal-title-span { font-weight: 700; color: #1c3550; }
.attach-body .portal-title-link {
    color: var(--link);
    text-decoration: none;
    word-break: break-all;
}
.attach-body .portal-title-link:hover { text-decoration: underline; }
.attach-body .portal-text-span { color: #6a7787; }
.attach-body .portal-data-span { color: #333; }
.attach-body .portal-gensmall { font-size: 11px; }
.attach-body .portal-clear { display: block; content: ""; }

.attach-body hr.dashed {
    border: none;
    border-top: 1px dashed #c3cedb;
    margin: 8px 0;
}

.attach-body .icon-clip {
    display: inline-block;
    width: 13px;
    height: 13px;
    vertical-align: -2px;
    background: no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23516072' d='M6.7 14.5c-1.5 0-2.7-1.2-2.7-2.7V4.3c0-1 .8-1.8 1.8-1.8s1.8.8 1.8 1.8v6.6c0 .4-.3.7-.7.7s-.7-.3-.7-.7V4.6H5.9v6.3c0 1 .8 1.8 1.8 1.8s1.8-.8 1.8-1.8V4.3c0-1.6-1.3-2.9-2.9-2.9S3.7 2.7 3.7 4.3v7.5c0 2.2 1.8 4 4 4s4-1.8 4-4V5h-1.1v6.8c0 1.5-1.2 2.7-2.7 2.7z'/%3E%3C/svg%3E");
}

.music-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 13px;
}
.music-bar .album-art {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 6px;
    background-size: cover;
    background-position: center;
    background-color: #9db6cc;
    box-shadow:
        inset 0 0 0 2px rgba(255, 255, 255, 0.9),
        inset 0 0 0 3px rgba(70, 110, 150, 0.55),
        0 1px 3px rgba(0, 0, 0, 0.3);
}
.music-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.title-row { width: 100%; overflow: hidden; }
.song-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    display: inline-block;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.progress-container {
    position: relative;
    width: 100%;
    height: 9px;
    border-radius: 5px;
    cursor: pointer;
    background: linear-gradient(to bottom, #cbd7e2 0%, #e6eef5 100%);
    box-shadow:
        inset 0 1px 2px rgba(0, 0, 0, 0.3),
        inset 0 -1px 0 rgba(255, 255, 255, 0.7);
}
.progress-bar {
    width: 0%;
    height: 100%;
    border-radius: 5px;
    background: linear-gradient(to bottom, #d6efff 0%, #6bb4ec 45%, #2f86cf 55%, #1d6bb3 100%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.7),
        0 0 4px rgba(47, 134, 207, 0.4);
    transition: width 0.1s linear;
}

.controls {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.music-gadget .controls button.btn-glass {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    margin: 0;
    min-width: 0;
    border-radius: 50%;
    border: 1px solid #5f92c2;
    color: #103a63;
    cursor: pointer;
    overflow: hidden;
    box-shadow:
        inset 0 1px 1px rgba(255, 255, 255, 0.95),
        inset 0 -3px 5px rgba(43, 96, 148, 0.4),
        0 1px 2px rgba(0, 0, 0, 0.3);
    background: linear-gradient(to bottom, #f4fbff 0%, #d7edfb 48%, #b3d9f3 52%, #cbe6fa 100%);
    -webkit-appearance: none;
            appearance: none;
    transition: filter .15s ease, box-shadow .15s ease;
}

.music-gadget .controls button.btn-glass::before {
    content: "";
    position: absolute;
    top: 2px;
    left: 4px;
    right: 4px;
    height: 42%;
    border-radius: 50% 50% 45% 45% / 60% 60% 40% 40%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.05));
    pointer-events: none;
    z-index: 1;
}
.music-gadget .controls button.btn-glass::after { content: none; }
.music-gadget .controls button.btn-glass svg {
    position: relative;
    z-index: 2;
    display: block;
    filter: drop-shadow(0 1px 0 rgba(255, 255, 255, 0.55));
}

.music-gadget .controls button.btn-glass.play-btn { width: 40px; height: 40px; }

.music-gadget .controls button.btn-glass:not(:disabled):hover {
    border-color: #4a86bd;
    filter: brightness(1.05);
    box-shadow:
        inset 0 1px 1px rgba(255, 255, 255, 1),
        inset 0 -3px 5px rgba(43, 96, 148, 0.45),
        0 0 6px rgba(90, 160, 220, 0.6),
        0 1px 2px rgba(0, 0, 0, 0.3);
}
.music-gadget .controls button.btn-glass:not(:disabled):active {
    background: linear-gradient(to bottom, #8fc5ea 0%, #b6dbf6 55%, #d3ecff 100%);
    box-shadow:
        inset 0 2px 4px rgba(0, 0, 0, 0.3),
        0 1px 1px rgba(255, 255, 255, 0.4);
}
.music-gadget .controls button.btn-glass:active::before { opacity: 0.5; }
.music-gadget .controls button.btn-glass:focus { outline: none; }
.music-gadget .controls button.btn-glass:focus-visible {
    outline: 2px solid #4a9fe0;
    outline-offset: 1px;
}

@media screen and (max-width: 820px) {
    .desktop { padding: 0; min-height: 100dvh; overflow-x: hidden; }
    .main-window {
        width: 100%;
        max-width: none;
        min-height: 100dvh;
        border: none;
        border-radius: 0;
        box-shadow: inset 0 0 0 1px #fffa;
    }

    .post-nav { flex-direction: column; padding: 8px 16px 28px; }
    .post-nav-next { text-align: left; align-items: flex-start; }
    .post-nav-item.is-empty { display: none; }

    .mobile-menu-toggle { display: inline-flex; }

    .explorer-body { flex-direction: column; }

    .explorer-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #cad7e4;
        padding: 0 12px;
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        transition: max-height 0.28s ease, opacity 0.2s ease, padding 0.28s ease;
    }
    .explorer-sidebar.is-open {
        max-height: 70vh;
        opacity: 1;
        padding: 10px 12px;
        overflow-y: auto;
    }
    .sidebar-profile { display: flex; align-items: center; gap: 12px; text-align: left; padding: 4px 0 10px; }
    .sidebar-profile .profile-avatar-frame { width: 64px; height: 64px; }
    .sidebar-profile .profile-img { width: 47px; height: 47px; }
    .site-footer.has-beian { flex-direction: column; }
    .site-footer.has-beian .status-bar-field {
        flex-grow: 0;
        border-right: 0;
        border-bottom: 1px solid #d9d9d9;
        text-align: center;
        white-space: normal;
        padding: 5px 6px;
    }
    .site-footer.has-beian .status-bar-field:last-child { border-bottom: 0; }
    .nav-tree > li { display: block; margin-right: 0; }
    .nav-tree a { padding: 8px 6px; font-size: 15px; }
    .nav-tree summary { padding: 8px 0; font-size: 15px; }

    .nav-breadcrumbs { flex-wrap: wrap; }
    /* 移动端隐藏装饰性的前进/后退按钮，把宽度让给面包屑，避免文字被挤扁 */
    .navbutton { display: none; }
    .nav-breadcrumbs li.crumbg.breadcrumbsbg { flex: 1 1 auto; order: 1; min-width: 0; }
    .nav-breadcrumbs li.crumbg.breadcrumbsbg .crumb { min-width: 0; overflow: hidden; }
    .nav-breadcrumbs li.crumbg.breadcrumbsbg .crumb a { min-width: 0; max-width: 160px; }
    .nav-breadcrumbs li.crumbg.breadcrumbsbg .crumb a span {
        display: block;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .nav-breadcrumbs li.crumbg.breadcrumbsbg .crumb:last-of-type a { max-width: 84px; }
    .nav-breadcrumbs li.search-box {
        flex: 0 0 auto;
        order: 0;
        margin-left: 6px;
        margin-top: 0;
    }
    .mobile-search-toggle { display: inline-flex; }
    .address-search { display: none; }
    .nav-breadcrumbs.is-search-open li.search-box {
        flex: 1 1 100%;
        order: 2;
        margin-left: 0;
        margin-top: 6px;
    }
    .nav-breadcrumbs.is-search-open .mobile-search-toggle { display: none; }
    .nav-breadcrumbs.is-search-open .address-search { display: flex; width: 100%; }
    .address-search input { width: 100%; height: 26px; font-size: 14px; }

    .list-head, .file-row { grid-template-columns: minmax(0, 1fr) 96px; }
    .list-head .col-desc, .file-row .col-desc { display: none; }

    .attach-gadget { display: none; }

    .music-gadget {
        position: static;               
        left: auto;
        right: auto;
        bottom: auto;
        width: auto;
        margin: 0 6px;                  
        z-index: auto;                  
        border-radius: 0;               
        box-shadow: none;
        border-bottom: 1px solid #b8c9db;
    }
    .music-gadget > .title-bar { display: none; }
    .music-gadget.collapsed .window-body { display: flex; }  

    .music-bar {
        flex-wrap: nowrap;
        gap: 7px;
        padding: 3px 8px;
        margin: 0;                      
    }
    .music-bar .album-art { width: 24px; height: 24px; border-radius: 3px; }
    .music-main { flex: 1 1 auto; order: 0; gap: 0; }
    .song-title { font-size: 12px; }
    .progress-container { display: none; }
    .controls { order: 0; flex: 0 0 auto; gap: 5px; margin-top: 0; }
    .music-gadget .controls button.btn-glass { width: 24px; height: 24px; }
    .music-gadget .controls button.btn-glass.play-btn { width: 27px; height: 27px; }
    .music-gadget .controls button.btn-glass svg { width: 11px; height: 11px; }
    .music-gadget .controls button.btn-glass.play-btn svg { width: 13px; height: 13px; }

    .article-title { font-size: 22px; }
    .post-content { font-size: 16px; }
    .article-view { padding: 18px 16px 28px; }
}

.ctx-menu {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: scale(.98);
    transform-origin: top left;
    transition: opacity .09s ease, transform .09s ease;
    user-select: none;
}
.ctx-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.ctx-menu > ul[role=menu] { margin: 0; }

.ctx-menu ul[role=menu] a { text-decoration: none; cursor: default; }

@media (max-width: 820px) {
    .ctx-menu { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; }
}

/* 关键词按钮使用 7.css 的 .btn */

/* 相关文章 / 关键词：统一的 7.css 窗口（两侧留白，不贴边） */
.win7-widget { width: calc(100% - 32px); margin: 20px 16px; box-sizing: border-box; }
.win7-widget .window-body { padding: 12px 14px; }
.post-related .pr-list { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px 10px; }
.post-related .pr-list li { margin: 0; }
/* 相关文章 / 关键词按钮统一用 7.css 的 .btn 样式 */
.win7-widget .btn { font-size: 12px; }

/* 上下篇使用原 post-nav 两列宽卡片样式（.post-nav / .post-nav-item） */

/* 上下篇使用原 .post-nav / .post-nav-item 两列宽卡片样式 */