.seal-article {
    position: relative;
    background: #f7f6f3;
}

.dark-theme .seal-article {
    background: #0c0c0c;
}

.seal-bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(100, 120, 140, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(100, 120, 140, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.seal-floating-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.sfe {
    position: absolute;
    font-size: 3rem;
    opacity: 0.02;
    color: #666;
    animation: sfeFloat 30s ease-in-out infinite;
}

.sfe-1 { top: 15%; left: 8%; animation-delay: 0s; }
.sfe-2 { top: 40%; right: 10%; animation-delay: 7s; }
.sfe-3 { top: 65%; left: 5%; animation-delay: 14s; }
.sfe-4 { top: 85%; right: 8%; animation-delay: 21s; }

@keyframes sfeFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.02; }
    50% { transform: translateY(-40px) rotate(5deg); opacity: 0.04; }
}

.seal-article .tool-detail-content {
    position: relative;
    z-index: 1;
    background: transparent;
}

.seal-header {
    position: relative;
    background: #1a1a1a;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.seal-header .tool-detail-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    filter: grayscale(30%);
}

.seal-header .tool-detail-overlay {
    background: linear-gradient(180deg, rgba(26, 26, 26, 0.3) 0%, rgba(26, 26, 26, 0.9) 100%);
}

.seal-header-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 4rem 2rem;
}

.seal-header .tool-detail-badges {
    justify-content: center;
    margin-bottom: 2rem;
}

.badge-media {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.4rem 1rem;
}

.badge-open {
    background: transparent;
    border: 1px solid rgba(120, 180, 140, 0.3);
    color: rgba(120, 180, 140, 0.8);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.4rem 1rem;
}

.seal-header .tool-detail-title {
    font-family: 'Playfair Display', 'Noto Serif SC', serif;
    font-size: 4rem;
    font-weight: 400;
    color: #ffffff;
    letter-spacing: 0.3em;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.seal-header .tool-detail-subtitle {
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.2em;
}

.non-original-notice {
    position: relative;
    z-index: 2;
    text-align: center;
    margin-top: 1.5rem;
    padding: 1rem 1.5rem;
    background: transparent;
    border: 1px solid rgba(200, 184, 150, 0.3);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.dark-theme .non-original-notice {
    background: rgba(30, 30, 30, 0.95);
    border-color: rgba(139, 115, 85, 0.3);
}

.non-original-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: rgba(200, 184, 150, 0.1);
    color: #a08060;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.non-original-notice p {
    margin: 0;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.8rem;
    color: #666;
    line-height: 1.8;
}

.dark-theme .non-original-notice p {
    color: #a0a0a0;
}

.non-original-notice a {
    color: #c8b896;
    text-decoration: none;
    border-bottom: 1px solid rgba(200, 184, 150, 0.3);
    transition: all 0.3s ease;
}

.dark-theme .non-original-notice a {
    color: #8b7355;
    border-bottom-color: rgba(139, 115, 85, 0.3);
}

.non-original-notice a:hover {
    border-bottom-color: currentColor;
}

.seal-article .tool-detail-body {
    max-width: 680px;
    margin: 0 auto;
    padding: 4rem 2rem 5rem;
    background: transparent;
}

.seal-article .tool-detail-section {
    margin-bottom: 4rem;
}

.diary-section {
    position: relative;
    padding-left: 100px;
}

.diary-date {
    position: absolute;
    left: 0;
    top: 0;
    text-align: right;
    width: 70px;
}

.dd-day {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 400;
    color: #c8b896;
    line-height: 1;
}

.dark-theme .dd-day {
    color: #8b7355;
}

.dd-month {
    display: block;
    font-size: 0.7rem;
    color: #999;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 0.25rem;
}

.dd-year {
    display: block;
    font-size: 0.65rem;
    color: #bbb;
    letter-spacing: 0.05em;
}

.diary-content {
    border-left: 1px solid rgba(200, 184, 150, 0.2);
    padding-left: 2rem;
}

.dark-theme .diary-content {
    border-left-color: rgba(139, 115, 85, 0.2);
}

.diary-lead {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.3rem;
    font-weight: 400;
    line-height: 2;
    color: #333;
    margin-bottom: 2rem;
}

.dark-theme .diary-lead {
    color: #c0c0c0;
}

.diary-content p {
    font-family: 'Noto Serif SC', serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 2.2;
    color: #444;
    margin-bottom: 1.5rem;
    letter-spacing: 0.01em;
}

.dark-theme .diary-content p {
    color: #a8a8a8;
}

.diary-quote {
    margin: 2.5rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(200, 184, 150, 0.15);
    border-bottom: 1px solid rgba(200, 184, 150, 0.15);
}

.dark-theme .diary-quote {
    border-top-color: rgba(139, 115, 85, 0.15);
    border-bottom-color: rgba(139, 115, 85, 0.15);
}

.diary-quote p {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.1rem;
    font-style: italic;
    color: #666;
    text-align: center;
    margin: 0;
}

.dark-theme .diary-quote p {
    color: #909090;
}

.diary-quote.final {
    margin: 3rem 0;
    padding: 2rem;
    background: rgba(200, 184, 150, 0.05);
    border: none;
}

.dark-theme .diary-quote.final {
    background: rgba(139, 115, 85, 0.05);
}

.seal-article .section-title {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: #888;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 2.5rem;
    padding-bottom: 0;
    border-bottom: none;
}

.dark-theme .seal-article .section-title {
    color: rgba(255, 255, 255, 0.4);
}

.seal-article .st-num {
    display: none;
}

.section-intro {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.15rem;
    font-weight: 400;
    line-height: 2;
    color: #333;
    margin-bottom: 2rem;
}

.dark-theme .section-intro {
    color: #b0b0b0;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: rgba(200, 184, 150, 0.1);
    margin: 2.5rem 0;
}

.dark-theme .feature-grid {
    background: rgba(139, 115, 85, 0.1);
}

.feature-item {
    background: #f7f6f3;
    padding: 2rem;
    text-align: center;
}

.dark-theme .feature-item {
    background: #0c0c0c;
}

.fi-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    color: #c8b896;
}

.dark-theme .fi-icon {
    color: #8b7355;
}

.fi-icon svg {
    width: 100%;
    height: 100%;
}

.feature-item h4 {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: #333;
    margin-bottom: 0.75rem;
}

.dark-theme .feature-item h4 {
    color: #d0d0d0;
}

.feature-item p {
    font-family: 'Noto Serif SC', serif;
    font-size: 0.85rem;
    line-height: 1.8;
    color: #666;
    margin: 0;
}

.dark-theme .feature-item p {
    color: #909090;
}

.seal-article code {
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 0.85rem;
    background: rgba(200, 184, 150, 0.1);
    padding: 0.1rem 0.4rem;
    border-radius: 2px;
    color: #666;
}

.dark-theme .seal-article code {
    background: rgba(139, 115, 85, 0.1);
    color: #a0a0a0;
}

.experience-block {
    margin: 2.5rem 0;
}

.eb-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(200, 184, 150, 0.1);
}

.dark-theme .eb-item {
    border-bottom-color: rgba(139, 115, 85, 0.1);
}

.eb-item:last-child {
    border-bottom: none;
}

.ebi-label {
    display: inline-block;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #c8b896;
    margin-bottom: 0.75rem;
}

.dark-theme .ebi-label {
    color: #8b7355;
}

.eb-item p {
    font-family: 'Noto Serif SC', serif;
    font-size: 0.95rem;
    line-height: 2;
    color: #555;
    margin: 0;
}

.dark-theme .eb-item p {
    color: #a0a0a0;
}

.screenshot-gallery {
    margin: 3rem 0;
}

.sg-main {
    margin-bottom: 0.5rem;
}

.sg-main img {
    width: 100%;
    height: auto;
    border-radius: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.sg-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.sg-thumbs img {
    width: 100%;
    height: auto;
    border-radius: 0;
    opacity: 0.8;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

.sg-thumbs img:hover {
    opacity: 1;
}

.reason-list {
    margin: 2.5rem 0;
}

.rl-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    padding: 2rem 0;
    border-bottom: 1px solid rgba(200, 184, 150, 0.1);
}

.dark-theme .rl-item {
    border-bottom-color: rgba(139, 115, 85, 0.1);
}

.rli-num {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 400;
    color: #c8b896;
    width: 30px;
}

.dark-theme .rli-num {
    color: #8b7355;
}

.rli-content h4 {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: #333;
    margin-bottom: 0.75rem;
}

.dark-theme .rli-content h4 {
    color: #d0d0d0;
}

.rli-content p {
    font-family: 'Noto Serif SC', serif;
    font-size: 0.9rem;
    line-height: 1.9;
    color: #666;
    margin: 0;
}

.dark-theme .rli-content p {
    color: #909090;
}

.star-history {
    margin: 3rem 0;
    text-align: center;
}

.star-history img {
    max-width: 100%;
    height: auto;
    border-radius: 0;
    border: 1px solid rgba(200, 184, 150, 0.15);
}

.dark-theme .star-history img {
    border-color: rgba(139, 115, 85, 0.15);
}

.sh-caption {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #999;
    margin-top: 1rem;
}

.download-options {
    margin: 2.5rem 0;
    text-align: center;
}

.do-main {
    margin-bottom: 1.5rem;
}

.do-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: transparent;
    border: 1px solid rgba(200, 184, 150, 0.3);
    border-radius: 0;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
}

.dark-theme .do-btn {
    border-color: rgba(139, 115, 85, 0.3);
    color: #909090;
}

.do-btn:hover {
    border-color: #c8b896;
    color: #c8b896;
    background: rgba(200, 184, 150, 0.05);
}

.dark-theme .do-btn:hover {
    border-color: #8b7355;
    color: #8b7355;
    background: rgba(139, 115, 85, 0.05);
}

.do-btn svg {
    width: 20px;
    height: 20px;
}

.do-note {
    font-family: 'Noto Serif SC', serif;
    font-size: 0.8rem;
    color: #999;
    margin-top: 1rem;
}

.do-alt {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.do-fdroid {
    padding: 0.75rem 1.5rem;
    font-size: 0.75rem;
}

.install-tips {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(200, 184, 150, 0.05);
    border-left: 2px solid rgba(200, 184, 150, 0.2);
}

.dark-theme .install-tips {
    background: rgba(139, 115, 85, 0.05);
    border-left-color: rgba(139, 115, 85, 0.2);
}

.install-tips h4 {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 1rem;
}

.install-tips ul {
    margin: 0;
    padding-left: 1.25rem;
}

.install-tips li {
    font-family: 'Noto Serif SC', serif;
    font-size: 0.85rem;
    line-height: 2;
    color: #666;
}

.dark-theme .install-tips li {
    color: #909090;
}

.diary-ending {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(200, 184, 150, 0.1);
}

.dark-theme .diary-ending {
    border-top-color: rgba(139, 115, 85, 0.1);
}

.diary-footer {
    text-align: right;
    margin-top: 3rem;
    padding-top: 2rem;
}

.df-author {
    font-family: 'Noto Serif SC', serif;
    font-size: 0.85rem;
    font-style: italic;
    color: #999;
}

.tool-meta-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(200, 184, 150, 0.1);
    margin: 3rem 0;
    text-align: center;
}

.dark-theme .tool-meta-info {
    background: rgba(139, 115, 85, 0.1);
}

.tmi-item {
    background: #f7f6f3;
    padding: 1.5rem;
}

.dark-theme .tmi-item {
    background: #0c0c0c;
}

.tmii-label {
    display: block;
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 0.5rem;
}

.tmi-item a,
.tmi-item span {
    font-family: 'Noto Serif SC', serif;
    font-size: 0.85rem;
    color: #555;
    text-decoration: none;
}

.dark-theme .tmi-item a,
.dark-theme .tmi-item span {
    color: #a0a0a0;
}

.tmi-item a:hover {
    color: #c8b896;
}

.dark-theme .tmi-item a:hover {
    color: #8b7355;
}

.seal-article .tool-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(200, 184, 150, 0.1);
}

.dark-theme .seal-article .tool-actions {
    border-top-color: rgba(139, 115, 85, 0.1);
}

.seal-article .tool-actions .btn {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.75rem 2rem;
    background: transparent;
    border: 1px solid rgba(200, 184, 150, 0.2);
    border-radius: 0;
    color: #666;
    transition: all 0.3s ease;
}

.dark-theme .seal-article .tool-actions .btn {
    border-color: rgba(139, 115, 85, 0.2);
    color: #909090;
}

.seal-article .tool-actions .btn:hover {
    border-color: #c8b896;
    color: #c8b896;
}

.dark-theme .seal-article .tool-actions .btn:hover {
    border-color: #8b7355;
    color: #8b7355;
}

.seal-article .tool-actions .btn-primary {
    background: #1a1a1a;
    border-color: #1a1a1a;
    color: #fff;
}

.dark-theme .seal-article .tool-actions .btn-primary {
    background: #f0f0f0;
    border-color: #f0f0f0;
    color: #1a1a1a;
}

.seal-article .tool-actions .btn-primary:hover {
    background: #333;
    border-color: #333;
}

.dark-theme .seal-article .tool-actions .btn-primary:hover {
    background: #e0e0e0;
    border-color: #e0e0e0;
}

/* 图片放大灯箱 */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10001;
}

.lightbox-close:hover {
    color: #fff;
}

.lightbox-img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 0;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-img {
    transform: scale(1);
}

.sg-img {
    cursor: pointer;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.sg-img:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .seal-header .tool-detail-title {
        font-size: 2.5rem;
        letter-spacing: 0.2em;
    }

    .diary-section {
        padding-left: 0;
    }

    .diary-date {
        position: relative;
        width: auto;
        text-align: left;
        margin-bottom: 1.5rem;
        display: flex;
        align-items: baseline;
        gap: 0.5rem;
    }

    .dd-day {
        font-size: 2rem;
    }

    .diary-content {
        border-left: none;
        padding-left: 0;
    }

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

    .sg-thumbs {
        grid-template-columns: repeat(2, 1fr);
    }

    .rl-item {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .tool-meta-info {
        grid-template-columns: 1fr;
    }

    .seal-article .tool-actions {
        flex-direction: column;
    }
}