:root {
    --page-bg: #ffffff;
    --main-bg: rgb(245, 245, 245);
    --text-main: var(--text-primary);
    --text-primary: #1d1d1f;
    --text-secondary: #515154;
    --text-muted: #86868b;
    --btn-primary-bg: #007aff;
    --btn-warn-bg: #ff9f0a;

    --nav-bg: rgba(255, 255, 255, 0.72);
    --nav-border: rgba(0, 0, 0, 0.16);
    --footer-bg: #f5f5f7;
    --footer-border: #d2d2d7;
    --img-placeholder: #f5f5f7;

    --sticker-panel-bg: rgba(245, 245, 247, 0.95);
    --sticker-nav-bg: rgba(230, 230, 230, 0.5);
    --sticker-tab-active: #ffffff;

    --lb-bg-color: rgba(255, 255, 255, 0.75);
    --lb-text-color: #1d1d1f;
    --progress-bg: rgba(246, 246, 246, 0.8);
    --lb-btn-bg: rgba(255, 255, 255, 0.65);
    --lb-btn-hover: rgba(255, 255, 255, 0.95);
    --lb-btn-text: #1d1d1f;
    --lb-btn-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);

    --kiryuu-wp-light: url('/static/wallpaper/IMG_0480.jpg');
    --kiryuu-wp-dark: url('/static/wallpaper/76625949_p0.png');
    --default-wallpaper: var(--kiryuu-wp-light);

    --user-setting-role: {}
}

html[data-theme="dark"] {
    --page-bg: #000000;
    --main-bg: #0e0e0e;
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --text-muted: #6e6e73;
    --btn-primary-bg: #0a84ff;
    --btn-warn-bg: #ff9f0a;
    --text-main: var(--text-primary);
    --nav-bg: rgba(0, 0, 0, 0.72);
    --nav-border: rgba(255, 255, 255, 0.16);
    --progress-bg: #242424;
    --footer-bg: #1c1c1e;
    --footer-border: #424245;
    --img-placeholder: #1c1c1e;

    --sticker-panel-bg: rgba(28, 28, 30, 0.95);
    --sticker-nav-bg: rgba(44, 44, 46, 0.5);
    --sticker-tab-active: #3a3a3c;

    --lb-bg-color: rgba(0, 0, 0, 0.85);
    --lb-text-color: #f5f5f7;

    --lb-btn-bg: rgba(44, 44, 46, 0.65);
    --lb-btn-hover: rgba(58, 58, 60, 0.95);
    --lb-btn-text: #f5f5f7;
    --lb-btn-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);

    --default-wallpaper: var(--kiryuu-wp-dark);
    --kiryuu-glass-text-grad: linear-gradient(135deg,
        rgba(255, 255, 255, 0.85) 0%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.6) 100%
    );
}

.kiryuu-wallpaper-layer.is-default {
    background-image: none !important;
    background-color: transparent;
}

.kiryuu-wallpaper-layer.is-default::before,
.kiryuu-wallpaper-layer.is-default::after {
    content: "";
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.8s ease-in-out;
    z-index: -1;
}

.kiryuu-wallpaper-layer.is-default::before {
    background-image: var(--kiryuu-wp-light);
    opacity: 1;
}

.kiryuu-wallpaper-layer.is-default::after {
    background-image: var(--kiryuu-wp-dark);
    opacity: 0;
}

html[data-theme="dark"] .kiryuu-wallpaper-layer.is-default::before { opacity: 0; }
html[data-theme="dark"] .kiryuu-wallpaper-layer.is-default::after { opacity: 1; }

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--main-bg);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    line-height: 1.47059;
    letter-spacing: -0.022em;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

.global-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 48px;
    background-color: var(--nav-bg);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    z-index: 9999;
    border-bottom: 1px solid transparent;
    transition: border-bottom-color 0.3s ease, background-color 0.3s ease;
}

.global-nav.scrolled {
    border-bottom: 1px solid var(--nav-border);
}

.nav-content {
    max-width: 1000px;
    margin: 0 auto;
    height: 100%;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-weight: 600;
    font-size: 17px;
    letter-spacing: -0.021em;
    justify-self: start;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 32px;
    justify-self: center;
}

.nav-right-area {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-links a {
    font-size: 12px;
    color: var(--text-primary);
    opacity: 0.8;
}

.nav-links a:hover {
    opacity: 1;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    padding-top: 48px;
    padding-bottom: 8vh;

    width: 100%;
    position: relative;
    overflow: hidden;
}
.hero-section {
    text-align: center;
    max-width: 800px;
    width: 100%;
    padding: 40px 20px;
}

/* 中心图片包裹器 */
.hero-image-wrapper {
    margin-bottom: 10px;
}

.hero-image {
    width: 100%;
    max-width: 100px; /* 控制图片最大尺寸 */
    height: auto;
    border-radius: 20px;
    /* background-color: var(--img-placeholder); */
    /* 弥散阴影 */
    /* box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    transition: background-color 0.3s ease; */
}

.hero-text h1 {
    color: var(--text-primary);
    text-shadow: none;
    font-size: 52px;
    font-weight: 600;
    letter-spacing: -0.003em;
    margin-bottom: 0;
    margin-top: 64px;
    transition: all 0.4s ease;
}

html.has-wallpaper .hero-text h1 {
    background-image: none !important;
    -webkit-background-clip: border-box !important;
    background-clip: border-box !important;
    -webkit-text-fill-color: initial !important;
    color: rgba(0, 0, 0, 0.75) !important;
    text-shadow: 0 4px 16px rgba(255, 255, 255, 0.5) !important;
    transition: all 0.4s ease;
}

html[data-theme="dark"].has-wallpaper .hero-text h1 {
    color: rgba(255, 255, 255, 0.85) !important;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.7) !important;
}

.hero-text h2 {
    text-align: center;
    color: var(--text-primary);
    text-shadow: none;
    font-size: 32px;
    font-weight: 500;
    letter-spacing: -0.003em;
    margin-bottom: 0;
    transition: all 0.4s ease;
}

html.has-wallpaper .hero-text h2 {
    background-image: none !important;
    -webkit-background-clip: border-box !important;
    background-clip: border-box !important;
    -webkit-text-fill-color: initial !important;
    color: rgba(0, 0, 0, 0.75) !important;
    text-shadow: 0 2px 8px rgba(255, 255, 255, 0.5) !important;
    transition: all 0.4s ease;
}

html[data-theme="dark"].has-wallpaper .hero-text h2 {
    color: rgba(255, 255, 255, 0.85) !important;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7) !important;
}

.hero-text p {
    font-size: 21px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.hero-text .sub-text {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

    .global-footer {
    background-color: var(--footer-bg);
    padding: 40px 20px 24px;
    font-size: 12px;
    color: var(--text-secondary);
    transition: background-color 0.3s ease;
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 32px;
}

.footer-column h3 {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 8px;
}

.footer-column a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

.footer-divider {
    height: 1px;
    background-color: var(--footer-border);
    margin-bottom: 16px;
    transition: background-color 0.3s ease;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.legal-links {
    list-style: none;
    display: flex;
    gap: 16px;
}

.legal-links a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

.hover-link {
    cursor: pointer;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.hover-link:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
    color: var(--btn-primary-bg);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .nav-content {
        display: flex;
        justify-content: space-between;
    }

    .nav-links {
        display: none !important;
    }

    .nav-links { display: none; }
    .hero-text h1 { font-size: 32px; }
    .hero-text h2 { font-size: 16px; }
    .hero-text p { font-size: 17px; }
    .footer-grid { flex-direction: column; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}

.bento-grid-section {
    width: 100%;
    max-width: 1000px;
    padding: 0 20px;
    margin-top: 20px;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

@media (min-width: 768px) {
    .bento-large {
        grid-column: span 2;
    }
}

.bento-card {
    background-color: var(--page-bg);
    border-radius: 24px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    border: 1px solid var(--nav-border); /* 复用边框颜色 */
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.3s ease;
    cursor: pointer;
    text-align: left;
}

html[data-theme="dark"].bento-card {
        background-color: #141415;
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    }

/* 悬浮反馈 */
.bento-card:hover {
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}
html[data-theme="dark"].bento-card:hover { box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6); }

.bento-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.bento-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.015em;
}

.bento-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.hero-image-placeholder {
    width: 120px;
    height: 120px;
    margin: 0 auto;
    border-radius: 50%;
    background: linear-gradient(135deg, #007aff, #34c759);
    box-shadow: 0 10px 30px rgba(0, 122, 255, 0.3);
}

.apple-message-card {
    background: var(--page-bg);
    border-radius: 18px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--nav-border);
    max-width: 420px;
    width: 90%;
    margin: 40px auto;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

html[data-theme="dark"] .apple-message-card {
        background: #141415;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    }

.apple-message-icon { font-size: 48px; margin-bottom: 12px; line-height: 1; }
.apple-message-title { font-size: 20px; font-weight: 600; margin-bottom: 8px; letter-spacing: -0.5px; }
.apple-message-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 24px; line-height: 1.5; }

.apple-textarea {
    width: 100%;
    height: 140px;
    background: var(--footer-bg);
    border: 1px solid var(--nav-border);
    border-radius: 12px;
    padding: 16px;
    font-size: 15px;
    color: var(--text-primary);
    box-sizing: border-box;
    resize: none;
    transition: all 0.2s ease;
    font-family: inherit;
    line-height: 1.6;
}
.apple-textarea:focus {
    outline: none;
    border-color: #007aff;
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.15);
    background: var(--page-bg);
}

.mailbox-btn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s;
}
.mailbox-btn:active { opacity: 0.8; }
.mailbox-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.mailbox-btn-primary { background: #007aff; color: white;}
.mailbox-btn-secondary { background: var(--footer-bg); color: var(--text-primary); margin-top: 10px; }

.apple-spinner-container,
.custom-loading-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
    animation: fadeIn 0.4s ease-out;
}

.loading-gif {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 12px;
    opacity: 0.85;
    transition: opacity 0.3s ease;
}

html[data-theme="dark"] .loading-gif {
        opacity: 0.95;
        /* mix-blend-mode: screen; */
    }


.spinner-text {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.fade-in-content { animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.toast-container {
    position: fixed;
    top: 64px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    pointer-events: none;
}

.apple-toast {
    background-color: var(--nav-bg);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--nav-border);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 8px;

    animation: toastFadeIn 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

html[data-theme="dark"] .apple-toast {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    }

.apple-toast.fade-out {
    animation: toastFadeOut 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

@keyframes toastFadeIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.9); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastFadeOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(-20px) scale(0.9); }
}

.action-cards-wrapper {
    display: flex;
    gap: 24px;
    justify-content: center;
    width: 100%;
    max-width: 900px;
    margin: 60px auto 0;
    position: relative;
    padding: 0 20px;
    box-sizing: border-box;
}

.action-card {
    flex: 1;
    width: 100%;
    max-width: 420px;
    transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.card-hidden {
    opacity: 0;
    transform: scale(0.9) translateY(40px);
    pointer-events: none;
    position: absolute;
}

.card-centered {
    flex: none;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.apple-input {
    width: 100%; background: var(--footer-bg); border: 1px solid var(--nav-border);
    border-radius: 12px; padding: 14px 16px; font-size: 15px; margin-bottom: 12px;
    color: var(--text-primary); transition: all 0.2s ease; box-sizing: border-box;
}
.apple-input:focus { outline: none; border-color: var(--btn-primary-bg); box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.15); background: var(--page-bg); }

.message-board { margin-top: 24px; text-align: left; max-height: 500px; overflow-y: auto; padding-right: 8px;}
.message-bubble { background: var(--footer-bg); padding: 16px 20px; border-radius: 18px; margin-bottom: 16px; border: 1px solid var(--nav-border); box-shadow: 0 2px 10px rgba(0,0,0,0.02);}
.message-header { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); margin-bottom: 8px; align-items: center;}
.message-sender { font-weight: 600; color: var(--text-primary); font-size: 15px;}

.apple-back-btn {
    position: absolute;
    top: -45px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--btn-primary-bg);
    font-size: 17px;
    font-weight: 500;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateX(-15px);
    z-index: 100;
}

.apple-back-btn.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
}

.apple-back-btn:hover {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .action-cards-wrapper {
        flex-direction: column;
        align-items: center;
        margin-top: 40px;
        gap: 20px;
    }

    .action-card {
        max-width: 100%;
    }

    .card-hidden {
        transform: scale(0.95) translateY(20px);
    }
}

.app-container {
    width: 100%;
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.kiryuu-id-card {
    max-width: 400px;
    margin: 60px auto;
    margin-top: 0 !important;
    background: var(--page-bg);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--nav-border);
    animation: fadeIn 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

html[data-theme="dark"] .kiryuu-id-card {
        background-color: #242426;
        border: 1px solid #424245;
        box-shadow:
                0 12px 48px rgba(0, 0, 0, 0.6),
                inset 0 1px 0 rgba(255, 255, 255, 0.08);
    }
html[data-theme="dark"] .timeline-header, html[data-theme="dark"] .message-item {
        background-color: #242426;

        border: 1px solid #424245;

        box-shadow:
                0 8px 32px rgba(0, 0, 0, 0.8),
                inset 0 1px 0 rgba(255, 255, 255, 0.08);
    }
html[data-theme="dark"] .comment-input {
        background-color: #2c2c2e;
        border: 1px solid #424245;
    }

.kiryuu-bott, html[data-theme="dark"] .kiryuu-bott, html[data-theme="dark"].has-wallpaper .kiryuu-bott {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px; margin-top: 12px;
    background: rgba(128,128,128,0.05);
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--nav-border);
}

html[data-theme="light"].has-wallpaper .kiryuu-bott {
    background: rgba(128,128,128,0.1) !important;
}

.timeline-header {
    margin-bottom: 24px;
    background: var(--page-bg);
    padding: 20px;
    border-radius: 18px;
    border: 1px solid var(--nav-border);
}

.message-item {
    background: var(--page-bg);
    border-radius: 18px;
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--nav-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    text-align: left;
    animation: fadeIn 0.4s ease;
}

.message-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.message-author {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-badge {
    background: var(--btn-primary-bg);
    color: #ffffff !important;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-left: 6px;
    display: inline-block;
    vertical-align: middle;
    line-height: 1.4;
    box-shadow: 0 2px 6px rgba(0, 122, 255, 0.2);
}

.owner-badge {
    background: #FF9F0A;
    color: #ffffff !important;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 700;
    box-shadow: 0 2px 6px rgba(255, 159, 10, 0.3);
    margin-left: 6px;
    display: inline-block;
    vertical-align: middle;
    line-height: 1.4;
}



.message-time { font-size: 13px; color: var(--text-muted); }
.message-content { font-size: 15px; line-height: 1.6; margin-bottom: 16px; white-space: pre-wrap; }

.comments-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--nav-border);
}

.comment-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
    flex-wrap: wrap;
    gap: 2px 8px;
}

.comment-meta-top {
    display: flex;
    align-items: center;
    gap: 4px;
}

.comment-meta-bottom {
    display: flex;
    align-items: center;
    gap: 4px;
}
.comment-author { font-weight: 600; color: var(--text-primary); }
.comment-time { font-size: 12px; color: var(--text-muted); }

.action-bar { display: flex; gap: 12px; align-items: center; }
.btn-text {
    background: none; border: none; color: var(--text-muted); font-size: 13px;
    cursor: pointer; font-weight: 500; transition: color 0.2s;
}
.btn-text:hover { color: var(--text-primary); }

.btn-delete { color: #ff3b30; }
.btn-delete:hover { color: #d70015; }

.comment-input-area {
    margin-top: 12px;
    flex-direction: row;
    align-items: center;
    gap: 8px;
}
.comment-input-main {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}
.comment-input {
    flex: 1; padding: 10px 14px; border-radius: 20px; border: 1px solid var(--nav-border);
    background: var(--footer-bg); color: var(--text-primary); outline: none; transition: border-color 0.2s;
}
.comment-input-actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
.comment-input:focus { border-color: var(--btn-primary-bg); }
.btn-send-comment {
    background: var(--btn-primary-bg); color: white; border: none; border-radius: 20px; font-size: 12px;
    margin-top: 0; padding: 0 16px; font-weight: 600; cursor: pointer;
}

.comment-preview-wrapper {
    display: grid;
    grid-template-rows: 1fr;
    opacity: 1;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 12px;
    padding: 12px 16px;
    margin-top: 8px;
    transition: grid-template-rows 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.3s ease, margin-top 0.3s ease;
}

.comment-preview-wrapper.hidden {
    grid-template-rows: 0fr;
    opacity: 0;
    margin-top: 0;
    pointer-events: none;
    visibility: hidden;
}


.preview-inner,
.preview-content-box {
    border: none !important;
    background: transparent !important;
    padding: 0 !important;
}

.preview-content-box {
    display: flex;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
}

.preview-author {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
    margin-right: 6px;
    position: relative;
    top: auto;
}

.preview-text-inner {
    flex: 1;
    min-width: 0;
    font-weight: 500;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    line-height: 1.5;
    color: var(--text-primary);
}

.preview-content-box .custom-sticker {
    display: inline-block;
    height: 32px;
    width: auto;
    margin: 0 4px;
    vertical-align: middle;
}

.comments-full-wrapper {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    margin-top: 0;
    transition: grid-template-rows 0.5s ease, opacity 0.4s ease, margin-top 0.4s ease, visibility 0.4s;
    overflow: visible !important;

    pointer-events: none;
    visibility: hidden;
}

.comments-full-wrapper.expanded {
    grid-template-rows: 1fr;
    opacity: 1;
    margin-top: 12px;

    pointer-events: auto;
    visibility: visible;
}

.comments-full-inner {
    overflow: visible !important;
    min-height: 0;
}

.responsive-msg-grid {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 4px 16px;
    align-items: start;
}

.msg-avatar-img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 1.5px solid var(--nav-border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    grid-column: 1;
    grid-row: 1;
}

.msg-meta-area {
    grid-column: 2;
    grid-row: 1;
    align-self: center;
    margin-bottom: 0 !important;
}

.msg-content-area {
    grid-column: 2;
    grid-row: 2;
    min-width: 0;
}

.cmt-avatar-img,
.comment-reply-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 1px solid var(--nav-border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    margin-top: 2px;
}

.comment-reply-avatar {
    margin-top: 0;
    margin-right: 12px;
}

.comment-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px 0;
    font-size: 14px;
}

.comment-input-main {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
}

.comment-input-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}


@media (max-width: 768px) {
    .responsive-msg-grid {
        grid-template-columns: 38px 1fr;
        gap: 4px 12px;
    }

    .msg-avatar-img {
        width: 42px;
        height: 42px;
    }

    .msg-content-area {
        grid-column: 1 / -1;
        grid-row: 2;
        margin-top: 6px;
    }

    .msg-meta-area {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 2px;
    }

    .msg-meta-area .message-time {
        margin-left: 0;
        font-size: 11px;
        opacity: 0.7;
    }

    .message-author {
        font-size: 14px;
        line-height: 1.2;
    }

    .cmt-avatar-img,
    .comment-reply-avatar {
        width: 32px;
        height: 32px;
    }

    .comment-reply-avatar {
        margin-right: 8px;
    }
    .comment-input-area {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px;
    }

    .comment-input-actions {
        justify-content: flex-end;
    }

    .btn-send-comment {margin-top: 5px;}
    .btn-sticker-toggle {margin-top: 5px;}

    .comment-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 2px;
    }

    .comment-meta-bottom {
        margin-left: 0;
        margin-right: 2px;
    }

    .comment-time {
        font-size: 11px;
        opacity: 0.7;
    }
}

.custom-sticker {
    display: block;
    max-width: 120px;
    max-height: 120px;
    margin: 8px 0;
    border-radius: 8px;
    object-fit: contain;
}


.btn-sticker-toggle {
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 500;
    color: var(--btn-primary-bg);
    cursor: pointer;
    padding: 4px 8px;
    transition: opacity 0.2s, transform 0.2s;
}

.btn-sticker-comment-toggle {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
    opacity: 0.6;
    transition: opacity 0.2s, transform 0.2s;
    margin-top: 5px;
}

.btn-sticker-toggle:hover {
    transform: scale(1.05);
    opacity: 0.8;
}

.sticker-panel {
    display: flex;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(15px) scale(0.95);
    transform-origin: bottom left;

    transition: opacity 0.25s ease,
    transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275),
    visibility 0.35s;
    position: absolute;
    bottom: 115%;
    left: 0;

    background: var(--sticker-panel-bg);
    border: 1px solid var(--nav-border);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 9999;

    width: 280px;
    height: 250px;
    flex-direction: column;
    overflow: hidden;
}

.sticker-panel.show {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}


.sticker-viewport {
    flex: 1;
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
}

.sticker-viewport::-webkit-scrollbar { display: none; }

.sticker-category-page {
    min-width: 100%;
    height: 100%;
    overflow-y: auto;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    padding: 12px;
    gap: 8px;
    scroll-snap-align: start;
}

.sticker-bottom-nav {
    height: 44px;
    background: var(--sticker-nav-bg);
    border-top: 1px solid var(--nav-border);
    display: flex;
    align-items: center;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 0 6px;
}
.sticker-bottom-nav::-webkit-scrollbar { display: none; }

.nav-tab-btn {
    flex-shrink: 0;
    width: auto;
    padding: 0 12px;
    height: 32px;
    margin: 0 4px;
    border-radius: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 12px;
    font-weight: bold;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
}

.nav-tab-btn.active {
    background: var(--sticker-tab-active);
    color: var(--btn-primary-bg);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.sticker-option {
    width: 42px;
    height: 42px;

    object-fit: contain;

    cursor: pointer;
    border-radius: 6px;
    transition: transform 0.2s;
}
.sticker-option:hover {
    transform: scale(1.15);
}


.message-item {
    overflow: visible !important;
}

.comments-full-wrapper,
.comments-full-inner {
    overflow: visible !important;
}

.comment-input-area > div {
    position: relative;
    overflow: visible !important;
}

.blocked-message-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    background: rgba(255, 59, 48, 0.08);
    border: 1px solid rgba(255, 59, 48, 0.15);
    border-radius: 14px;
    color: #ff3b30;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
    width: 100%;
    box-sizing: border-box;
    transition: all 0.3s ease;
}


.blocked-preview-text {
    color: #ff3b30;
    font-style: italic;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

.blocked-comment-box {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    width: auto;
    padding: 10px 14px;
    background: rgba(255, 59, 48, 0.08);
    border: 1px solid rgba(255, 59, 48, 0.1);
    border-left: 3px solid #ff3b30;
    border-radius: 6px 12px 12px 6px;
    color: #ff3b30;
    font-size: 13px;
    font-weight: 500;
    margin-top: 16px;
    white-space: normal;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .blocked-comment-box {
        width: auto;
        font-size: 12px;
        padding: 8px 12px;
    }
}

.preview-container {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 0;
}
.img-preview-box {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--nav-border);
    background: var(--img-placeholder);
}
.img-preview-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s;
}
.upload-status {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.5);
    color: white;
    font-size: 11px;
    font-weight: 600;
    z-index: 2;
    pointer-events: none;
    letter-spacing: 0.5px;
}
.post-custom-img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 14px;
    cursor: zoom-in;
    border: 1px solid var(--nav-border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}
.post-custom-img:active {
    transform: scale(0.98);
}
.err-text {
    display: inline-block;
    color: var(--text-muted);
    background: rgba(0,0,0,0.05);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 13px;
    margin-top: 8px;
    font-family: monospace;
}

.kiryuu-lightbox {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: 100000; display: none; flex-direction: column;
    overflow: hidden; touch-action: none;
}

.lightbox-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--lb-bg-color);
    backdrop-filter: saturate(180%) blur(30px);
    -webkit-backdrop-filter: saturate(180%) blur(30px);
    transition: opacity 0.3s ease; opacity: 0; z-index: 0;
}

.lightbox-top-bar {
    height: 60px; padding: 0 20px; display: flex; align-items: center; justify-content: space-between;
    position: absolute; top: 0; left: 0; width: 100%; z-index: 2;
    padding-top: env(safe-area-inset-top, 0);
    transition: opacity 0.3s ease; opacity: 0; pointer-events: none;
}

.lightbox-bottom-bar {
    height: 80px; padding: 0 20px 20px; display: flex; align-items: center; justify-content: space-between;
    position: absolute; bottom: 0; left: 0; width: 100%; z-index: 2;
    padding-bottom: env(safe-area-inset-bottom, 20px);
    transition: opacity 0.3s ease; opacity: 0; pointer-events: none;
}

.lightbox-btn {
    background: var(--lb-btn-bg);
    border: 1px solid rgba(128, 128, 128, 0.1);
    color: var(--lb-btn-text);
    display: flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600;
    cursor: pointer; padding: 10px 16px; border-radius: 30px;
    pointer-events: auto;

    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);

    box-shadow: var(--lb-btn-shadow);
    transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.lightbox-btn:active {
    background: var(--lb-btn-hover);
    transform: scale(0.92);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.lightbox-top-bar .lightbox-btn {
    background: transparent;
    border: none;
    padding-left: 0;
    box-shadow: none;
    backdrop-filter: none;
    font-size: 16px;
    color: var(--lb-text-color);
    text-shadow: 0 0 12px var(--lb-bg-color), 0 0 24px var(--lb-bg-color);
}

.lightbox-top-bar .lightbox-btn:active {
    background: transparent;
    opacity: 0.5;
    transform: scale(0.95);
}

.lightbox-img-wrapper {
    flex: 1; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    position: absolute; top: 0; left: 0; z-index: 1;
}

.lightbox-img {
    max-width: 100%; max-height: 100%; object-fit: contain;
    user-select: none; -webkit-user-drag: none;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
}
html[data-theme="dark"] .lightbox-img {
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    }


.mac-audio-player {
    display: flex; gap: 14px; align-items: center;
    background: var(--footer-bg);
    border: 1px solid var(--nav-border);
    border-radius: 16px; padding: 12px; margin: 8px 0;
    width: 100%; max-width: 380px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    transition: transform 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.mac-audio-player:active { transform: scale(0.98); }

.mac-cover {
    position: relative; width: 60px; height: 60px; flex-shrink: 0;
    border-radius: 10px; background: #e5e5ea;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
html[data-theme="dark"] .mac-cover { background: #3a3a3c; }

.mac-cover-img { width: 100%; height: 100%; object-fit: cover; z-index: 1; display: none; }
.mac-cover-fallback { position: absolute; font-size: 28px; z-index: 0; }

.mac-overlay {
    position: absolute; inset: 0; background: rgba(0,0,0,0.4); z-index: 2;
    display: flex; align-items: center; justify-content: center;
    color: white; opacity: 0; transition: opacity 0.2s;
}
.mac-audio-player.is-active .mac-overlay, .mac-cover:hover .mac-overlay { opacity: 1; }

.mac-overlay svg { width: 24px; height: 24px; fill: currentColor; }
.mac-overlay .mac-spinner { animation: mac-spin 1s linear infinite; display: none; }
@keyframes mac-spin { 100% { transform: rotate(360deg); } }

.mac-info { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; }
.mac-title { font-size: 15px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 2px; }
.mac-artist { font-size: 12px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 6px; }

.mac-scrubber { display: flex; align-items: center; gap: 8px; }
.mac-time { font-size: 11px; color: var(--text-muted); font-variant-numeric: tabular-nums; width: 32px; }
.mac-time.total { text-align: right; }

.mac-track {
    flex: 1; height: 16px;
    display: flex; align-items: center;
    cursor: pointer; position: relative;
}

.mac-track::before {
    content: ''; position: absolute; left: 0; right: 0; top: 50%; transform: translateY(-50%);
    height: 4px; background: rgba(128, 128, 128, 0.2);
    border-radius: 2px; z-index: 1;
}

.mac-fill {
    height: 4px; width: 0%;
    background: var(--btn-primary-bg, #007aff); /* 加入 #007aff 蘋果藍作為兜底顏色！ */
    border-radius: 2px; position: relative; z-index: 2;
    pointer-events: none; transition: width 0.1s linear;
}

.nsfw-image-wrapper {
    position: relative;
    display: block;
    width: 100%;
    margin-top: 8px;
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--img-placeholder);
    line-height: 0;
    font-size: 0;
}

.nsfw-blurred-img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    transition: opacity 0.4s ease;
}

.nsfw-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: opacity 0.3s ease;
}

.nsfw-warning-text {
    color: rgba(255, 255, 255, 0.95);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.nsfw-reveal-btn {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.nsfw-reveal-btn:active { transform: scale(0.95); }
.nsfw-reveal-btn:hover { background: rgba(255, 255, 255, 0.3); }

.nsfw-text-wrapper { position: relative; }
.nsfw-blurred-text { filter: blur(8px); user-select: none; transition: filter 0.4s ease; }

.nsfw-panel {
    background: var(--footer-bg);
    border-radius: 8px;
    padding: 12px;
    margin-top: 8px;
    border: 1px solid var(--nav-border);
    display: none;
}

.nsfw-select {
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--nav-border);
    background: var(--page-bg);
    color: var(--text-primary);
    font-size: 13px;
    margin-right: 8px;
    outline: none;
}

.nsfw-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 59, 48, 0.1);
    color: #ff3b30;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    margin-right: 8px;
    margin-top: 8px;
}
.nsfw-badge-remove {
    margin-left: 6px;
    cursor: pointer;
    opacity: 0.6;
}
.nsfw-badge-remove:hover { opacity: 1; }


/* 挂载壁纸容器 */
.kiryuu-wallpaper-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: opacity 0.8s ease-in-out;
    pointer-events: none;
    transform: translateZ(0);
}

html.has-wallpaper body {
    background-color: transparent !important;
}

html.has-wallpaper .timeline-header,
html.has-wallpaper .message-item,
html.has-wallpaper .bento-card,
html.has-wallpaper .apple-message-card,
html.has-wallpaper .kiryuu-id-card,
html.has-wallpaper .os-modal-window,
html.has-wallpaper .ann-banner-wrapper {
    background-color: rgba(255, 255, 255, 0.65) !important;
    backdrop-filter: saturate(180%) blur(25px) !important; /* 加上绝对控制 */
    -webkit-backdrop-filter: saturate(180%) blur(25px) !important;
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08) !important;
}

html[data-theme="dark"].has-wallpaper .timeline-header,
html[data-theme="dark"].has-wallpaper .message-item,
html[data-theme="dark"].has-wallpaper .bento-card,
html[data-theme="dark"].has-wallpaper .apple-message-card,
html[data-theme="dark"].has-wallpaper .kiryuu-id-card,
html[data-theme="dark"].has-wallpaper .os-modal-window,
html[data-theme="dark"].has-wallpaper .ann-banner-wrapper {
    background-color: rgba(28, 28, 30, 0.65) !important;
    backdrop-filter: saturate(180%) blur(25px) !important;
    -webkit-backdrop-filter: saturate(180%) blur(25px) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4) !important;
}

html.has-wallpaper .apple-textarea,
html.has-wallpaper .comment-input,
html.has-wallpaper .apple-input {
    background-color: rgba(0, 0, 0, 0.04) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    color: var(--text-primary) !important;
}

html.has-wallpaper .apple-textarea:focus,
html.has-wallpaper .comment-input:focus,
html.has-wallpaper .apple-input:focus {
    background-color: rgba(255, 255, 255, 0.6) !important;
    border-color: var(--btn-primary-bg) !important;
}

html[data-theme="dark"].has-wallpaper .apple-textarea,
html[data-theme="dark"].has-wallpaper .comment-input,
html[data-theme="dark"].has-wallpaper .apple-input {
    background-color: rgba(0, 0, 0, 0.3) !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
}

html[data-theme="dark"].has-wallpaper .apple-textarea:focus,
html[data-theme="dark"].has-wallpaper .comment-input:focus,
html[data-theme="dark"].has-wallpaper .apple-input:focus {
    background-color: rgba(0, 0, 0, 0.5) !important;
    border-color: var(--btn-primary-bg) !important;
}


/* --- 浅色模式 + 开启壁纸 --- */
html.has-wallpaper .global-nav,
html.has-wallpaper .nav-dropdown {
    background-color: rgba(255, 255, 255, 0.4) !important;
    backdrop-filter: saturate(180%) blur(30px);
    -webkit-backdrop-filter: saturate(180%) blur(30px);
    border-color: rgba(255, 255, 255, 0.2) !important;
}

html.has-wallpaper .nav-dropdown {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.05) !important;
}

html.has-wallpaper .global-nav.scrolled {
    background-color: rgba(255, 255, 255, 0.6) !important;
    border-bottom-color: rgba(0, 0, 0, 0.05) !important;
}


html[data-theme="dark"].has-wallpaper .global-nav,
html[data-theme="dark"].has-wallpaper .nav-dropdown {
    background-color: rgba(0, 0, 0, 0.35) !important;
    backdrop-filter: saturate(180%) blur(30px);
    -webkit-backdrop-filter: saturate(180%) blur(30px);
    border-color: rgba(255, 255, 255, 0.08) !important;
}

html[data-theme="dark"].has-wallpaper .nav-dropdown {
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4) !important;
}

html[data-theme="dark"].has-wallpaper .global-nav.scrolled {
    background-color: rgba(0, 0, 0, 0.55) !important;
    border-bottom-color: rgba(255, 255, 255, 0.08) !important;
}

.ann-expand-inner {
    min-height: 0;
    overflow: hidden;
    padding: 32px;
    margin: -32px;
}


.nav-user-menu { position: relative; display: inline-block; }
.nav-user-trigger {
    display: flex; align-items: center; gap: 6px; cursor: pointer;
    padding: 6px 12px; border-radius: 20px; transition: background 0.2s;
    color: var(--text-primary);
}
.nav-user-trigger:hover { background: rgba(128, 128, 128, 0.1); }
.nav-user-trigger .trigger-icon { transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); }
.nav-user-menu.is-open .trigger-icon { transform: rotate(180deg); }

.nav-dropdown {
    position: fixed;
    width: 220px;
    background: var(--nav-bg);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--nav-border);
    border-radius: 14px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transform-origin: top right;
    /* 只过渡视觉属性，不过渡位置 */
    transition: opacity 0.3s cubic-bezier(0.25, 0.8, 0.25, 1),
                visibility 0.3s cubic-bezier(0.25, 0.8, 0.25, 1),
                transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 10000;
}
html[data-theme="dark"] .nav-dropdown { box-shadow: 0 10px 40px rgba(0,0,0,0.5); }
.nav-dropdown.is-open-global { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }

.nav-dropdown-item {
    display: flex; align-items: center; gap: 10px; padding: 10px 12px;
    font-size: 13px; font-weight: 500; color: var(--text-primary);
    border-radius: 8px; cursor: pointer; transition: background 0.2s, color 0.2s;
}
.nav-dropdown-item:hover { background: var(--btn-primary-bg); color: white; }
.nav-dropdown-item.danger:hover { background: #ff3b30; color: white; }
.nav-dropdown-divider { height: 1px; background: var(--nav-border); margin: 4px 6px; }

html[data-theme="dark"] .has-wallpaper .nav-dropdown-item:hover {
    background-color: rgba(10, 132, 255, 0.4) !important;
    color: white;
}
html[data-theme="dark"] .has-wallpaper .nav-dropdown-item.danger:hover {
    background-color: rgba(255, 59, 48, 0.3) !important;
    color: white
}

html[data-theme="light"] .has-wallpaper .nav-dropdown-item:hover {
    background-color: rgba(10, 132, 255, 0.6) !important;
    color: white;
}
html[data-theme="light"] .has-wallpaper .nav-dropdown-item.danger:hover {
    background-color: rgba(255, 59, 48, 0.4) !important;
    color: white;
}

.os-modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 99999;
    background: rgba(0,0,0,0.4); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.os-modal-overlay.is-active { opacity: 1; visibility: visible; }

.os-modal-window {
    width: 800px; height: 550px; max-width: 95vw; max-height: 90vh;
    background: var(--page-bg); border-radius: 24px; border: 1px solid var(--nav-border);
    box-shadow: 0 24px 80px rgba(0,0,0,0.2); display: flex; overflow: hidden;
    transform: scale(0.95) translateY(20px); opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
}
html[data-theme="dark"] .os-modal-window { box-shadow: 0 24px 80px rgba(0,0,0,0.6); }
.os-modal-overlay.is-active .os-modal-window { transform: scale(1) translateY(0); opacity: 1; }

.os-sidebar {
    width: 240px; background: rgba(128,128,128,0.05); border-right: 1px solid var(--nav-border);
    padding: 24px 12px; display: flex; flex-direction: column; gap: 4px; flex-shrink: 0;
}
.os-sidebar-title { font-size: 20px; font-weight: 700; color: var(--text-primary); margin: 0 12px 20px; letter-spacing: -0.5px; }
.os-tab-btn {
    display: flex; align-items: center; gap: 12px; padding: 10px 12px;
    font-size: 14px; font-weight: 500; color: var(--text-secondary);
    border-radius: 10px; cursor: pointer; transition: all 0.2s; border: none; background: transparent; text-align: left;
}
.os-tab-btn:hover { background: rgba(128,128,128,0.1); color: var(--text-primary); }
.os-tab-btn.active { background: var(--btn-primary-bg); color: white; font-weight: 600; box-shadow: 0 4px 12px rgba(0,122,255,0.3); }

.os-content-area { flex: 1; padding: 32px; overflow-y: auto; position: relative; }
.os-tab-panel { display: none; animation: fadeIn 0.3s ease; }
.os-tab-panel.active { display: block; }

.os-close-btn {
    position: absolute; top: 20px; right: 20px; width: 32px; height: 32px;
    background: var(--nav-border); border-radius: 50%; display: flex; align-items: center; justify-content: center;
    cursor: pointer; border: none; color: var(--text-primary); z-index: 10; transition: transform 0.2s;
}
.os-close-btn:active { transform: scale(0.9); }

/* Bento 主题卡片 */
.theme-bento-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.theme-card {
    border: 2px solid var(--nav-border); border-radius: 16px; padding: 20px;
    text-align: center; cursor: pointer; transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    background: rgba(128,128,128,0.02);
}
.theme-card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(0,0,0,0.05); }
.theme-card.active { border-color: var(--btn-primary-bg); background: rgba(0,122,255,0.05); box-shadow: 0 8px 24px rgba(0,122,255,0.15); }
.theme-preview-circle { width: 48px; height: 48px; border-radius: 50%; margin: 0 auto 12px; border: 1px solid var(--nav-border); box-shadow: inset 0 2px 4px rgba(0,0,0,0.1); }
.theme-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }


.wp-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 16px;
    margin-top: 16px;
    margin-bottom: 24px;
}

.wp-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    position: relative;
    transition: transform 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    text-align: center;
}

.wp-item:hover { transform: translateY(-4px); }
.wp-item:active { transform: scale(0.96); }

.wp-preview {
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 12px;
    border: 2px solid var(--nav-border);
    object-fit: cover;
    background-size: cover;
    background-position: center;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    overflow: hidden;
}

.wp-item.active .wp-preview {
    border-color: var(--btn-primary-bg);
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.15);
}

.wp-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

.wp-delete-btn {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 24px;
    height: 24px;
    background: #ff3b30;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.2s, transform 0.1s;
    box-shadow: 0 2px 8px rgba(255, 59, 48, 0.4);
    border: none;
    cursor: pointer;
    transform: scale(0.8);
    z-index: 10;
}
.wp-item:hover .wp-delete-btn { opacity: 1; transform: scale(1); }
.wp-delete-btn:active { transform: scale(0.9) !important; }

.wp-upload-btn .wp-preview {
    border: 2px dashed var(--nav-border);
    background: rgba(128, 128, 128, 0.02);
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: center;
    align-items: center;
    color: var(--text-muted);
}
.wp-upload-btn:hover .wp-preview {
    border-color: var(--text-secondary);
    background: rgba(128, 128, 128, 0.08);
    color: var(--text-primary);
}

.mac-switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 26px;
    flex-shrink: 0;
}

.mac-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.mac-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(120, 120, 128, 0.16);
    transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border-radius: 26px;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
}

html[data-theme="dark"] .mac-slider {
    background-color: rgba(120, 120, 128, 0.32);
}

.mac-slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2), 0 0 1px rgba(0,0,0,0.1);
}

.mac-switch input:checked + .mac-slider {
    background-color: var(--btn-primary-bg);
}

.mac-switch input:checked + .mac-slider:before {
    transform: translateX(20px);
}


.anim-fade-in { animation: k-fade-in 0.3s ease-in forwards; }
@keyframes k-fade-in { from { opacity: 0; } to { opacity: 1; } }

@media (max-width: 768px) {

    .os-modal-window {
        flex-direction: column;
        width: 92vw;
        height: 85vh;
        max-width: 400px;
        border-radius: 22px;
    }

    .os-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--nav-border);
        padding: 64px 16px 16px 16px;
        flex-direction: row;
        justify-content: space-between;
        gap: 8px;
        background: rgba(128, 128, 128, 0.04);
    }

    .os-sidebar-title {
        position: absolute;
        top: 20px;
        left: 20px;
        margin: 0;
        font-size: 20px;
    }

    .os-close-btn {
        top: 16px;
        right: 16px;
        background: var(--footer-bg);
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    }

    .os-tab-btn {
        flex: 1;
        justify-content: center;
        font-size: 13px;
        padding: 10px 4px;
        border-radius: 12px;
    }

    .os-content-area {
        padding: 24px 16px;
    }

    .theme-bento-grid {
        gap: 12px;
        margin-top: 16px;
    }
    .theme-card {
        padding: 16px 8px;
        border-radius: 14px;
    }
    .theme-preview-circle {
        width: 36px;
        height: 36px;
        margin-bottom: 10px;
    }
    .theme-name {
        font-size: 12px;
    }

    .wp-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)) !important;
        gap: 12px;
    }
}


.ann-expand-grid {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    transform: translateY(-15px);
    transition: grid-template-rows 0.5s cubic-bezier(0.25, 0.8, 0.25, 1),
    opacity 0.4s ease, transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.ann-expand-grid.is-open {
    grid-template-rows: 1fr;
    opacity: 1;
    transform: translateY(0);
}

.ann-banner-wrapper {
    margin-bottom: 24px; background: var(--page-bg); border-radius: 18px;
    border: 1px solid var(--nav-border); box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    overflow: hidden; transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.ann-banner-expanded { padding: 24px; cursor: pointer; }
.ann-banner-collapsed { padding: 16px 24px; cursor: pointer; display: flex; align-items: center; justify-content: space-between; }
.ann-banner-wrapper:active { transform: scale(0.98); }

html[data-theme="dark"] .ann-banner-wrapper {
    background-color: #242426; border: 1px solid #424245;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.ann-modal-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--lb-bg-color); backdrop-filter: saturate(180%) blur(30px); -webkit-backdrop-filter: saturate(180%) blur(30px);
    z-index: 99999; display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s;
}
.ann-modal-overlay.is-active { opacity: 1; visibility: visible; }
.ann-modal-overlay.is-closing { opacity: 0; }

.ann-modal-card {
    background: var(--page-bg); width: 90%; max-width: 600px; max-height: 85vh;
    border-radius: 20px; box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    border: 1px solid var(--nav-border); display: flex; flex-direction: column;
    transform: scale(0.95) translateY(20px); opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1); overflow: hidden;
}
html[data-theme="dark"] .ann-modal-card { background-color: #1c1c1e; box-shadow: 0 20px 60px rgba(0,0,0,0.6); }

.ann-modal-overlay.is-active .ann-modal-card { transform: scale(1) translateY(0); opacity: 1; }
.ann-modal-overlay.is-closing .ann-modal-card { transform: scale(0.97) translateY(10px); opacity: 0; }

.ann-modal-body { padding: 32px 32px 40px 32px; overflow-y: auto; font-size: 15px; line-height: 1.6; color: var(--text-secondary); }
.ann-modal-close-btn {
    position: absolute; top: 16px; right: 16px; width: 36px; height: 36px;
    border-radius: 50%; background: var(--nav-border); border: none;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    color: var(--text-primary); z-index: 10; transition: opacity 0.2s, transform 0.2s;
}
.ann-modal-close-btn:active { transform: scale(0.9); }

.ann-toast-container {
    position: fixed;
    top: 64px;
    right: 20px;
    z-index: 10001;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    pointer-events: none;
}

.ann-toast {
    background-color: var(--nav-bg);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--nav-border);
    color: var(--text-primary);
    padding: 16px 20px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    max-width: 320px;
    width: calc(100vw - 40px);
    animation: k-toast-slide-in 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: auto;
    transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}
html[data-theme="dark"] .ann-toast { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4); }

@keyframes k-toast-slide-in {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

html.has-wallpaper .ann-modal-card {
    background-color: rgba(255, 255, 255, 0.65) !important;
    backdrop-filter: saturate(180%) blur(25px);
    -webkit-backdrop-filter: saturate(180%) blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
}

html.has-wallpaper .ann-modal-overlay.is-active .ann-modal-card { transform: scale(1) translateY(0); opacity: 1; }
html.has-wallpaper .ann-modal-overlay.is-closing .ann-modal-card { transform: scale(0.97) translateY(10px); opacity: 0; }
html.has-wallpaper .ann-modal-overlay.is-active { opacity: 1; visibility: visible; }
html.has-wallpaper .ann-modal-overlay.is-closing { opacity: 0; }

html[data-theme="dark"].has-wallpaper .ann-modal-card {
    background-color: rgba(28, 28, 30, 0.65) !important;
    backdrop-filter: saturate(180%) blur(25px);
    -webkit-backdrop-filter: saturate(180%) blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.main-content,
.ann-expand-inner {
    overflow: visible !important;
}

html.has-wallpaper .ann-banner-wrapper,
html.has-wallpaper .ann-modal-card {
    backdrop-filter: saturate(180%) blur(25px) !important;
    -webkit-backdrop-filter: saturate(180%) blur(25px) !important;
}

html.has-wallpaper .apple-textarea,
html.has-wallpaper .comment-input,
html.has-wallpaper .apple-input {
    background-color: rgba(0, 0, 0, 0.03) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.05), 0 1px 0 rgba(255, 255, 255, 0.6) !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
}

html[data-theme="dark"].has-wallpaper .apple-textarea,
html[data-theme="dark"].has-wallpaper .comment-input,
html[data-theme="dark"].has-wallpaper .apple-input {
    background-color: rgba(0, 0, 0, 0.25) !important;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.4), 0 1px 0 rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(0, 0, 0, 0.4) !important;
}

html.has-wallpaper .apple-toast,
html.has-wallpaper .ann-toast {
    background-color: rgba(255, 255, 255, 0.65) !important;
    backdrop-filter: saturate(180%) blur(30px) !important;
    -webkit-backdrop-filter: saturate(180%) blur(30px) !important;
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12) !important;
}

html[data-theme="dark"].has-wallpaper .apple-toast,
html[data-theme="dark"].has-wallpaper .ann-toast {
    background-color: rgba(28, 28, 30, 0.65) !important;
    backdrop-filter: saturate(180%) blur(30px) !important;
    -webkit-backdrop-filter: saturate(180%) blur(30px) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5) !important;
}


html.has-wallpaper .ann-modal-overlay {
    background-color: rgba(0, 0, 0, 0.2) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
}

html[data-theme="dark"].has-wallpaper .ann-modal-overlay {
    background-color: rgba(0, 0, 0, 0.4) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
}

html.has-wallpaper .ann-modal-card,
html[data-theme="dark"].has-wallpaper .ann-modal-card {
    backdrop-filter: saturate(180%) blur(25px) !important;
    -webkit-backdrop-filter: saturate(180%) blur(25px) !important;
}

.nav-dropdown,
html.has-wallpaper .nav-dropdown,
html[data-theme="dark"].has-wallpaper .nav-dropdown {
    backdrop-filter: saturate(180%) blur(30px) !important;
    -webkit-backdrop-filter: saturate(180%) blur(30px) !important;
    will-change: transform, opacity;
}

html.has-wallpaper .nav-dropdown {
    background-color: rgba(255, 255, 255, 0.45) !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
}

html[data-theme="dark"].has-wallpaper .nav-dropdown {
    background-color: rgba(28, 28, 30, 0.45) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

html[data-theme="dark"]:not(.has-wallpaper) .ann-banner-wrapper,
html[data-theme="dark"]:not(.has-wallpaper) .apple-message-card,
html[data-theme="dark"]:not(.has-wallpaper) .kiryuu-id-card,
html[data-theme="dark"]:not(.has-wallpaper) .timeline-header,
html[data-theme="dark"]:not(.has-wallpaper) .message-item {

    background-color: #1c1c1e !important;

    border: 1px solid rgba(255, 255, 255, 0.08) !important;

    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4) !important;
}

html[data-theme="dark"]:not(.has-wallpaper) .apple-textarea,
html[data-theme="dark"]:not(.has-wallpaper) .comment-input,
html[data-theme="dark"]:not(.has-wallpaper) .apple-input {
    background-color: #2c2c2e !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
}

.profile-avatar-wrapper:hover .avatar-hover-overlay {
    opacity: 1 !important;
}

.profile-avatar-wrapper:active {
    transform: scale(0.95);
    transition: transform 0.1s;
}

#setting-current-avatar {
    background-color: var(--img-placeholder);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@media (max-width: 768px) {
    #tab-profile > div {
        flex-direction: column;
        text-align: center;
        padding: 32px 20px !important;
    }
    .profile-avatar-wrapper {
        margin-bottom: 8px;
    }
}

/* 强制裁剪框显示为圆形 */
.cropper-view-box,
.cropper-face {
    border-radius: 50% !important;
}

.cropper-modal { background-color: transparent !important; }
.cropper-dashed, .cropper-line, .cropper-point, .cropper-center { display: none !important; }

.cropper-view-box {
    outline: 2px solid rgba(255, 255, 255, 0.8) !important;
    box-shadow: 0 0 0 2000px rgba(30, 30, 30, 0.9) !important;
    transition: box-shadow 0.3s ease !important;
}


.cropper-view-box::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
            linear-gradient(to right, transparent calc(33.33% - 0.5px), rgba(255,255,255,0.65) calc(33.33% - 0.5px), rgba(255,255,255,0.65) calc(33.33% + 0.5px), transparent calc(33.33% + 0.5px), transparent calc(66.66% - 0.5px), rgba(255,255,255,0.65) calc(66.66% - 0.5px), rgba(255,255,255,0.65) calc(66.66% + 0.5px), transparent calc(66.66% + 0.5px)),
            linear-gradient(to bottom, transparent calc(33.33% - 0.5px), rgba(255,255,255,0.65) calc(33.33% - 0.5px), rgba(255,255,255,0.65) calc(33.33% + 0.5px), transparent calc(33.33% + 0.5px), transparent calc(66.66% - 0.5px), rgba(255,255,255,0.65) calc(66.66% - 0.5px), rgba(255,255,255,0.65) calc(66.66% + 0.5px), transparent calc(66.66% + 0.5px));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 10;
}

.cropper-container.is-dragging .cropper-view-box {
    box-shadow: 0 0 0 2000px rgba(0, 0, 0, 0.4) !important;
}
.cropper-container.is-dragging .cropper-view-box::after {
    opacity: 1;
}

.cropper-container {
    width: 100% !important;
    height: 100% !important;
}

.cropper-custom {
    width: 450px;
    max-width: 90vw;
}

@media (max-width: 768px) {

    .cropper-custom {
        width: 100%;
    }
}


.profile-avatar-wrapper {
    display: flex !important;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    position: relative;
}

.avatar-hover-overlay {
    border-radius: 50% !important;
    inset: 0 !important;
    z-index: 2;
}