/* ===== 字体声明 ===== */
@font-face {
    font-family: 'HarmonyOS Sans';
    font-style: normal;
    font-weight: 400;
    src: url('/fonts/HarmonyOS_Sans/HarmonyOS_Sans_Regular.ttf') format('truetype');
    font-display: swap;
}
@font-face {
    font-family: 'HarmonyOS Sans';
    font-style: normal;
    font-weight: 500;
    src: url('/fonts/HarmonyOS_Sans/HarmonyOS_Sans_Medium.ttf') format('truetype');
    font-display: swap;
}
@font-face {
    font-family: 'HarmonyOS Sans';
    font-style: normal;
    font-weight: 700;
    src: url('/fonts/HarmonyOS_Sans/HarmonyOS_Sans_Bold.ttf') format('truetype');
    font-display: swap;
}

/* ===== 全局重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:focus {
    outline: none !important;
    box-shadow: none !important;
}
button:focus, button:focus-visible, .nav-btn:focus, .theme-switch:focus,
.version-summary:focus, .qa-question:focus, .friend-link:focus {
    outline: none !important;
    box-shadow: none !important;
}

/* ===== 背景动画 ===== */
@keyframes floatSoft1 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(6%, 8%) scale(1.2); }
    100% { transform: translate(0, 0) scale(1); }
}
@keyframes floatSoft2 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-5%, 6%) scale(1.25); }
    100% { transform: translate(0, 0) scale(1); }
}
@keyframes floatSoft3 {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(7%, -5%) scale(1.15); }
    100% { transform: translate(0, 0) scale(1); }
}
.bg-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}
.blob {
    position: absolute;
    filter: blur(70px);
    border-radius: 50%;
    will-change: transform;
    backface-visibility: hidden;
}
.blob1 {
    width: 60vw;
    height: 60vw;
    top: -15vh;
    left: -10vw;
    background: radial-gradient(circle, #0078d4, #2a6eb0);
    opacity: 0.35;
    animation: floatSoft1 24s infinite alternate ease-in-out;
}
.blob2 {
    width: 45vw;
    height: 45vw;
    bottom: -10vh;
    right: -8vw;
    background: radial-gradient(circle, #2b6fbd, #5082c2);
    opacity: 0.25;
    animation: floatSoft2 28s infinite alternate ease-in-out;
}
.blob3 {
    width: 40vw;
    height: 40vw;
    top: 45%;
    left: 35%;
    background: radial-gradient(circle, #3c7bcb, #6b9eff);
    opacity: 0.18;
    animation: floatSoft3 22s infinite alternate ease-in-out;
}

/* ===== 主题变量 ===== */
:root {
    --bg-body: #F3F5F9;
    --card-bg: rgba(255, 255, 255, 0.78);
    --card-border: rgba(0, 0, 0, 0.06);
    --text-primary: #1E1F2C;
    --text-secondary: #5A5E7A;
    --accent: #0078D4;
    --accent-hover: #106EBE;
    --setting-hover: rgba(0, 0, 0, 0.03);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.08);
    --expand-bg: rgba(0, 0, 0, 0.02);
    --backdrop-blur: blur(16px);
    --card-inset: inset 0 1px 0 rgba(255,255,255,0.6);
}
body.dark {
    --bg-body: #12131C;
    --card-bg: rgba(29, 31, 42, 0.82);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #F0F3FF;
    --text-secondary: #ADB3CC;
    --accent: #4C9AFF;
    --setting-hover: rgba(255, 255, 255, 0.04);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.3);
    --expand-bg: rgba(255, 255, 255, 0.02);
    --card-inset: inset 0 1px 0 rgba(255,255,255,0.08);
}

body {
    font-family: 'HarmonyOS Sans', system-ui, 'Segoe UI', -apple-system, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    transition: background 0.3s ease;
    padding: 12px;
    font-size: 14px;
    line-height: 1.45;
    min-height: 100vh;
}
.win11-container {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--card-bg);
    backdrop-filter: var(--backdrop-blur);
    border-radius: 32px;
    box-shadow: var(--shadow-md), 0 0 0 1px var(--card-border);
    overflow: hidden;
    transition: background 0.2s, backdrop-filter 0.2s;
}
.app-header {
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    border-bottom: 1px solid var(--card-border);
}
.logo-area { display: flex; align-items: center; gap: 8px; }
.logo-img { height: 28px; width: auto; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1)); }
.logo-text { font-size: 1.2rem; font-weight: 600; background: linear-gradient(135deg, var(--text-primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.theme-switch {
    background: rgba(128,128,128,0.08);
    border: 1px solid var(--card-border);
    border-radius: 40px;
    padding: 4px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.75rem;
    height: 32px;
    box-shadow: var(--card-inset), 0 1px 2px rgba(0,0,0,0.05);
    transition: all 0.2s;
}
.theme-switch:hover {
    background: var(--setting-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.08), var(--card-inset);
}
.nav-bar {
    padding: 8px 20px;
    display: flex;
    gap: 10px;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: thin;
    border-bottom: 1px solid var(--card-border);
    background: transparent;
}
.nav-btn {
    background: transparent;
    border: none;
    padding: 8px 20px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 40px;
    color: var(--text-secondary);
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s, color 0.2s, box-shadow 0.1s;
    line-height: 1.4;
}
.nav-btn.active {
    background: var(--accent);
    color: white;
    box-shadow: 0 2px 8px rgba(0,120,212,0.3);
}
.nav-btn:not(.active):hover {
    background: var(--setting-hover);
    color: var(--text-primary);
}
.page-content {
    display: none;
    padding: 20px;
    animation: fade 0.2s ease;
}
.page-content.active-page { display: block; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.setting-section {
    background: var(--card-bg);
    backdrop-filter: blur(4px);
    border-radius: 24px;
    border: 1px solid var(--card-border);
    margin-bottom: 18px;
    overflow: hidden;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm), var(--card-inset), 0 0 0 1px rgba(0,0,0,0.02);
}
.setting-section:hover {
    box-shadow: var(--shadow-md), var(--card-inset);
    transform: translateY(-2px);
}
.section-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--card-border);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0,0,0,0.01);
}
.section-header i { color: var(--accent); }
.version-item {
    border-bottom: 1px solid var(--card-border);
}
.version-summary {
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    cursor: pointer;
    transition: background 0.2s;
}
.version-summary:hover {
    background: var(--setting-hover);
}
.version-left { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.version-title { font-weight: 600; font-size: 1rem; }
.version-position {
    background: var(--accent);
    color: white;
    border-radius: 40px;
    padding: 2px 10px;
    font-size: 0.7rem;
    font-weight: 500;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.2);
}
.version-status {
    color: var(--text-secondary);
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.expand-icon { transition: transform 0.12s; margin-left: 6px; font-size: 0.7rem; }
.version-detail-wrapper {
    display: block;
    overflow: hidden;
    transition: max-height 0.12s cubic-bezier(0.2, 0.9, 0.4, 1), opacity 0.1s ease;
    max-height: 0;
    opacity: 0;
    background: transparent;
}
.version-detail-wrapper.show {
    max-height: 600px;
    opacity: 1;
}
.version-detail { padding: 0 16px; }
.version-detail-inner {
    padding: 12px 20px 16px 24px;
    background: rgba(128,128,128,0.04);
    backdrop-filter: blur(2px);
    border-radius: 20px;
    margin: 4px 0 8px 0;
}
.detail-row { margin-bottom: 12px; }
.detail-row h4 {
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: var(--accent);
}
.spec-list {
    list-style: none;
    margin: 0;
    padding-left: 8px;
}
.spec-list li {
    margin-bottom: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    gap: 8px;
}
.spec-list li strong {
    color: var(--text-primary);
    min-width: 28px;
}
.img-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin: 8px 0;
}
.img-group img {
    max-width: 200px;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background: transparent;
    object-fit: cover;
}
.qa-item {
    border-bottom: 1px solid var(--card-border);
}
.qa-question {
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s;
}
.qa-question:hover {
    background: var(--setting-hover);
}
.qa-answer-wrapper {
    display: block;
    overflow: hidden;
    transition: max-height 0.12s cubic-bezier(0.2, 0.9, 0.4, 1), opacity 0.1s ease;
    max-height: 0;
    opacity: 0;
    background: transparent;
}
.qa-answer-wrapper.show {
    max-height: 300px;
    opacity: 1;
}
.qa-answer { padding: 0 16px; }
.qa-answer-inner {
    padding: 8px 0 16px 24px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    background: rgba(128,128,128,0.05);
    backdrop-filter: blur(4px);
    border-radius: 20px;
    margin: 4px 0 8px 0;
}
.declaration-list { padding: 4px 0; }
.declaration-item {
    padding: 10px 8px;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    gap: 0;
    align-items: flex-start;
}
.decl-num {
    font-weight: 600;
    color: var(--accent);
    min-width: 30px;
    flex-shrink: 0;
    margin-left: 16px;
}
.decl-text {
    color: var(--text-secondary);
    line-height: 1.5;
    flex: 1;
}
.auth-table {
    width: 100%;
    border-collapse: collapse;
}
.auth-table th, .auth-table td {
    text-align: left;
    padding: 12px 8px;
    border-bottom: 1px solid var(--card-border);
}
.auth-table th {
    font-weight: 600;
    color: var(--accent);
    padding-left: 16px;
}
.auth-table td {
    color: var(--text-secondary);
    padding-left: 16px;
}
.auth-note {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 12px;
    padding: 8px 16px;
    border-top: 1px solid var(--card-border);
    background: rgba(0,0,0,0.02);
}
.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 6px;
}
.friend-link {
    background: rgba(128,128,128,0.06);
    border-radius: 40px;
    padding: 6px 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: var(--card-inset), 0 1px 2px rgba(0,0,0,0.05);
    transition: all 0.2s;
}
.friend-link:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.star-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
}
.star-name { font-weight: 600; }
.star-badge {
    background: var(--accent);
    color: white;
    border-radius: 40px;
    padding: 2px 10px;
    font-size: 0.7rem;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}
.footer-note {
    text-align: center;
    font-size: 0.7rem;
    padding: 16px;
    border-top: 1px solid var(--card-border);
}
@media (max-width: 640px) {
    body { padding: 8px; }
    .page-content { padding: 14px; }
    .version-summary { flex-direction: column; align-items: flex-start; }
    .version-left { width: 100%; justify-content: space-between; }
    .img-group { flex-direction: column; }
    .img-group img { max-width: 100%; }
    .nav-bar { gap: 6px; }
    .nav-btn { padding: 6px 14px; font-size: 0.85rem; }
    .version-detail-inner { padding: 10px 16px; }
    .spec-list { padding-left: 4px; }
}
@media (orientation: portrait) {
    #thanks .version-summary {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 4px !important;
    }
    #thanks .version-summary .friend-link {
        margin-left: 0 !important;
        align-self: flex-start;
    }
}