/* ===== CSS 变量 ===== */
:root {
    /* 背景色 */
    --bg-body: #f4f7fc;
    --bg-container: #ffffff;
    --bg-card: #ffffff;
    --bg-card-alt: #f8faff;
    --bg-card-alt2: #fafcff;
    --bg-input: #ffffff;
    --bg-btn: #f0f4fe;
    --bg-btn-hover: #e3ebfd;

    /* 文字颜色 */
    --text-primary: #1a2639;
    --text-secondary: #3d506e;
    --text-muted: #6a7d9c;
    --text-light: #8a9bb8;
    --text-white: #ffffff;

    /* 边框颜色 */
    --border-color: #e9eff8;
    --border-color2: #dfe7f2;
    --border-color3: #ecf2fa;

    /* 阴影 */
    --shadow-color: rgba(0, 20, 40, 0.10);
    --shadow-color2: rgba(0, 0, 0, 0.04);

    /* 玻璃效果 */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.3);

    /* 品牌色保持不变 */
    --brand-blue: #4f7cff;
    --brand-purple: #7c5cfc;
    --brand-qq: #12b7f5;

    /* 光晕色（浅色模式） */
    --glow-orange: rgba(251, 146, 60, 0.35);
    --glow-orange-mid: rgba(251, 146, 60, 0.05);
    --glow-blue: rgba(59, 130, 246, 0.30);
    --glow-blue-mid: rgba(59, 130, 246, 0.05);
    --glow-purple: rgba(168, 85, 247, 0.25);
    --glow-purple-mid: rgba(168, 85, 247, 0.05);
    --glow-cyan: rgba(45, 212, 191, 0.25);
    --glow-cyan-mid: rgba(45, 212, 191, 0.05);
    --glow-pink: rgba(244, 63, 94, 0.15);
    --glow-sky: rgba(14, 165, 233, 0.15);
}

/* ===== 深色模式 ===== */
.dark {
    --bg-body: #0d1117;
    --bg-container: #161b22;
    --bg-card: #161b22;
    --bg-card-alt: #1c2333;
    --bg-card-alt2: #1c2333;
    --bg-input: #0d1117;
    --bg-btn: #2d3748;
    --bg-btn-hover: #3d4a5c;

    --text-primary: #f0f6fc;
    --text-secondary: #c9d1d9;
    --text-muted: #8b949e;
    --text-light: #6e7681;

    --border-color: #30363d;
    --border-color2: #21262d;
    --border-color3: #21262d;

    --shadow-color: rgba(0, 0, 0, 0.30);
    --shadow-color2: rgba(0, 0, 0, 0.15);

    --glass-bg: rgba(22, 27, 34, 0.92);
    --glass-border: rgba(255, 255, 255, 0.06);

    /* 深色模式光晕 - 更暗更柔和 */
    --glow-orange: rgba(251, 146, 60, 0.15);
    --glow-orange-mid: rgba(251, 146, 60, 0.03);
    --glow-blue: rgba(59, 130, 246, 0.12);
    --glow-blue-mid: rgba(59, 130, 246, 0.03);
    --glow-purple: rgba(168, 85, 247, 0.12);
    --glow-purple-mid: rgba(168, 85, 247, 0.03);
    --glow-cyan: rgba(45, 212, 191, 0.10);
    --glow-cyan-mid: rgba(45, 212, 191, 0.03);
    --glow-pink: rgba(244, 63, 94, 0.08);
    --glow-sky: rgba(14, 165, 233, 0.08);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 16px;
    background:
        radial-gradient(ellipse 700px 500px at 0% 5%, var(--glow-orange) 0%, var(--glow-orange-mid) 50%, transparent 70%),
        radial-gradient(ellipse 600px 450px at 100% 5%, var(--glow-blue) 0%, var(--glow-blue-mid) 50%, transparent 70%),
        radial-gradient(ellipse 750px 500px at 95% 95%, var(--glow-purple) 0%, var(--glow-purple-mid) 50%, transparent 70%),
        radial-gradient(ellipse 500px 400px at 5% 90%, var(--glow-cyan) 0%, var(--glow-cyan-mid) 50%, transparent 70%),
        radial-gradient(ellipse 500px 400px at 30% 50%, var(--glow-pink) 0%, transparent 65%),
        radial-gradient(ellipse 500px 400px at 70% 50%, var(--glow-sky) 0%, transparent 65%),
        var(--bg-body);
    transition: background 0.4s ease;
}

.app-container {
    max-width: 820px;
    width: 100%;
    background: var(--bg-container);
    border-radius: 40px;
    box-shadow: 0 30px 60px var(--shadow-color), 0 10px 30px var(--shadow-color2);
    padding: 32px 40px 40px;
    transition: all 0.2s;
    margin-top: 0;
    border: 1px solid var(--glass-border);
}

@media (max-width: 640px) {
    body {
        padding: 12px;
        padding-top: 12px;
    }
    .app-container {
        padding: 20px 16px 28px;
        border-radius: 28px;
    }
}

@media (max-width: 420px) {
    body {
        padding: 8px;
        padding-top: 8px;
    }
    .app-container {
        padding: 16px 12px 22px;
        border-radius: 22px;
    }
}

/* ===== 头部 ===== */
.header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 16px;
    margin-bottom: 16px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1 1 0;
    min-width: 0;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 6px 14px rgba(79, 124, 255, 0.30);
    flex-shrink: 0;
}

@media (max-width: 420px) {
    .logo-icon {
        width: 34px;
        height: 34px;
        font-size: 16px;
        border-radius: 10px;
    }
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    min-width: 0;
    flex: 1;
}

.logo-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, #1a2639, #2c3e66);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.4s ease;
}

.dark .logo-title {
    background: linear-gradient(135deg, #f0f6fc, #c9d1d9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 0.3px;
    margin-top: 1px;
}

@media (max-width: 640px) {
    .logo-title {
        font-size: 18px;
    }
    .logo-subtitle {
        font-size: 10px;
    }
}

@media (max-width: 420px) {
    .logo-title {
        font-size: 16px;
    }
    .logo-subtitle {
        font-size: 9px;
    }
}

/* ===== 右侧按钮组 ===== */
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

/* ===== 深色模式切换按钮 ===== */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1.5px solid var(--border-color2);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px var(--shadow-color2);
    margin-left: auto;
}

.theme-toggle:hover {
    background: var(--bg-btn-hover);
    transform: rotate(20deg) scale(1.05);
    border-color: var(--brand-blue);
}

.theme-toggle:active {
    transform: scale(0.92);
}

.theme-toggle i {
    transition: transform 0.4s ease;
}

.dark .theme-toggle {
    background: var(--bg-card);
    color: #fbbf24;
    border-color: #4a5568;
}

.dark .theme-toggle:hover {
    background: var(--bg-btn-hover);
    border-color: #fbbf24;
}

@media (max-width: 640px) {
    .theme-toggle {
        width: 34px;
        height: 34px;
        font-size: 14px;
    }
}

@media (max-width: 420px) {
    .theme-toggle {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }
}

/* ===== PC端：所有在一行 ===== */
@media (min-width: 641px) {
    .header {
        flex-wrap: nowrap;
        gap: 12px 20px;
    }
    .logo-area {
        flex: 1 1 0;
    }
    .theme-toggle {
        margin-left: 0;
    }
    .header-actions {
        flex: 0 0 auto;
    }
}

/* ===== 移动端：第二行显示使用须知和QQ群，靠左 ===== */
@media (max-width: 640px) {
    .header-actions {
        flex: 0 0 100%;
        justify-content: flex-start;
        gap: 8px;
        margin-top: 2px;
    }
}

/* ===== 按钮样式 ===== */
.badge-link {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-btn);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: background 0.2s, transform 0.2s;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.badge-link i {
    font-size: 15px;
    color: var(--brand-blue);
}

.badge-link:hover {
    background: var(--bg-btn-hover);
    transform: translateY(-1px);
}

.badge-link.qq {
    background: linear-gradient(135deg, #12b7f5, #0d8ec9);
    color: #fff;
    box-shadow: 0 4px 14px rgba(18, 183, 245, 0.30);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.badge-link.qq i {
    color: #fff;
    font-size: 15px;
}

.badge-link.qq::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.badge-link.qq:hover {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 8px 28px rgba(18, 183, 245, 0.45);
    background: linear-gradient(135deg, #1ec9ff, #0e9edb);
}

.badge-link.qq:hover::before {
    opacity: 1;
}

.badge-link.qq:active {
    transform: scale(0.95);
    box-shadow: 0 2px 8px rgba(18, 183, 245, 0.25);
}

@media (max-width: 640px) {
    .badge-link {
        padding: 8px 12px;
        font-size: 13px;
        gap: 5px;
    }
    .badge-link i {
        font-size: 14px;
    }
    .badge-link.qq {
        padding: 8px 12px;
        font-size: 13px;
        gap: 5px;
        box-shadow: 0 3px 10px rgba(18, 183, 245, 0.25);
    }
    .badge-link.qq i {
        font-size: 14px;
    }
}

@media (max-width: 420px) {
    .badge-link {
        padding: 6px 10px;
        font-size: 12px;
        gap: 4px;
    }
    .badge-link i {
        font-size: 12px;
    }
    .badge-link.qq {
        padding: 6px 10px;
        font-size: 12px;
        gap: 4px;
    }
    .badge-link.qq i {
        font-size: 12px;
    }
}

/* ===== 轮播图 ===== */
.carousel-wrapper {
    margin: 12px 0 18px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
    position: relative;
    background: var(--bg-card);
}

@media (max-width: 640px) {
    .carousel-wrapper {
        margin: 10px 0 14px;
        border-radius: 16px;
    }
}

@media (max-width: 420px) {
    .carousel-wrapper {
        margin: 6px 0 12px;
        border-radius: 12px;
    }
}

.carousel-track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    gap: 0;
}

.carousel-track::-webkit-scrollbar {
    display: none;
}

.carousel-slide {
    flex: 0 0 100%;
    scroll-snap-align: start;
    min-height: 140px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    padding: 16px 22px;
    position: relative;
}

@media (max-width: 640px) {
    .carousel-slide {
        min-height: 120px;
        padding: 14px 18px;
    }
}

@media (max-width: 420px) {
    .carousel-slide {
        min-height: 100px;
        padding: 10px 14px;
    }
}

.carousel-slide::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.45), transparent);
    pointer-events: none;
}

.carousel-slide .slide-content {
    position: relative;
    z-index: 2;
    color: white;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.carousel-slide .slide-content h3 {
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.2px;
}

.carousel-slide .slide-content p {
    font-size: 13px;
    opacity: 0.9;
    margin-top: 2px;
    font-weight: 500;
}

@media (max-width: 640px) {
    .carousel-slide .slide-content h3 {
        font-size: 16px;
    }
    .carousel-slide .slide-content p {
        font-size: 11px;
    }
}

@media (max-width: 420px) {
    .carousel-slide .slide-content h3 {
        font-size: 14px;
    }
    .carousel-slide .slide-content p {
        font-size: 10px;
    }
}

.carousel-indicators {
    position: absolute;
    bottom: 10px;
    right: 18px;
    display: flex;
    gap: 6px;
    z-index: 5;
}

.carousel-indicators span {
    width: 8px;
    height: 8px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.5);
    transition: 0.25s;
    cursor: pointer;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.carousel-indicators span.active {
    width: 22px;
    background: #ffffff;
    border-color: #ffffff;
}

@media (max-width: 420px) {
    .carousel-indicators {
        bottom: 6px;
        right: 12px;
        gap: 5px;
    }
    .carousel-indicators span {
        width: 6px;
        height: 6px;
    }
    .carousel-indicators span.active {
        width: 16px;
    }
}

/* ===== 输入区域 ===== */
.input-section {
    background: var(--bg-card-alt);
    border-radius: 20px;
    padding: 16px 18px 18px;
    margin-bottom: 14px;
    border: 1px solid var(--border-color);
}

@media (max-width: 640px) {
    .input-section {
        padding: 14px 14px 16px;
        border-radius: 16px;
        margin-bottom: 12px;
    }
}

@media (max-width: 420px) {
    .input-section {
        padding: 10px 10px 12px;
        border-radius: 14px;
        margin-bottom: 10px;
    }
}

.input-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.label-left {
    display: flex;
    align-items: center;
    gap: 6px;
}

.label-left i {
    color: var(--brand-blue);
}

.history-btn {
    background: var(--bg-btn);
    border: 1px solid var(--border-color2);
    border-radius: 30px;
    padding: 4px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.history-btn:hover {
    background: var(--bg-btn-hover);
    border-color: var(--brand-blue);
    color: var(--brand-blue);
    transform: translateY(-1px);
}

.history-btn:active {
    transform: scale(0.96);
}

.history-btn i {
    font-size: 14px;
}

@media (max-width: 420px) {
    .input-label {
        font-size: 12px;
        margin-bottom: 8px;
    }
    .history-btn {
        font-size: 12px;
        padding: 3px 10px;
    }
    .history-btn i {
        font-size: 12px;
    }
}

.textarea-input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid var(--border-color2);
    font-size: 14px;
    font-family: inherit;
    background: var(--bg-input);
    resize: vertical;
    min-height: 64px;
    max-height: 160px;
    transition: border 0.2s, box-shadow 0.2s;
    line-height: 1.6;
    color: var(--text-primary);
}

.textarea-input:focus {
    outline: none;
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 4px rgba(79, 124, 255, 0.10);
}

.textarea-input::placeholder {
    color: var(--text-light);
}

@media (max-width: 640px) {
    .textarea-input {
        padding: 10px 12px;
        font-size: 13px;
        min-height: 56px;
        border-radius: 12px;
    }
}

@media (max-width: 420px) {
    .textarea-input {
        padding: 8px 10px;
        font-size: 13px;
        min-height: 48px;
        border-radius: 10px;
    }
}

/* ===== 验证码区域 ===== */
.captcha-box {
    margin-top: 12px;
    display: none;
    padding: 10px 0 4px;
    border-top: 1px dashed var(--border-color);
}
.captcha-box .captcha-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 6px;
}

.captcha-input-row {
    display: flex;
    gap: 8px;
    align-items: center;
}
.captcha-input-row .captcha-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color2);
    border-radius: 10px;
    font-size: 14px;
    outline: none;
    transition: border 0.2s;
    background: var(--bg-input);
    font-family: inherit;
    min-width: 0;
    color: var(--text-primary);
}
.captcha-input-row .captcha-input:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.10);
}
.captcha-input-row .captcha-get-btn {
    flex-shrink: 0;
    padding: 8px 18px;
    border: none;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    background: var(--brand-blue);
    color: #fff;
    white-space: nowrap;
}
.captcha-input-row .captcha-get-btn:hover {
    background: #3a6ae6;
    transform: translateY(-1px);
}
.captcha-input-row .captcha-get-btn:active {
    transform: scale(0.97);
}

.captcha-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* ===== 按钮行 ===== */
.button-row {
    display: flex;
    gap: 10px;
    margin-top: 14px;
}

@media (max-width: 640px) {
    .button-row {
        gap: 8px;
        margin-top: 12px;
    }
}

@media (max-width: 420px) {
    .button-row {
        gap: 6px;
        margin-top: 10px;
    }
}

.button-row .action-btn {
    flex: 0 0 auto;
    background: var(--bg-input);
    border: 1px solid var(--border-color2);
    border-radius: 14px;
    padding: 0 18px;
    height: 48px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 6px var(--shadow-color2);
    white-space: nowrap;
}

.button-row .action-btn:hover {
    background: var(--bg-btn);
    border-color: var(--border-color);
}

.button-row .action-btn:active {
    transform: scale(0.97);
}

.button-row .action-btn.clear-btn {
    color: #e74c3c;
    border-color: #fde8e5;
    background: #fef6f5;
}

.dark .button-row .action-btn.clear-btn {
    color: #f87171;
    border-color: #7f1d1d;
    background: #1f1a1a;
}

.button-row .action-btn.clear-btn:hover {
    background: #fde8e5;
    border-color: #f5c6c0;
}

.dark .button-row .action-btn.clear-btn:hover {
    background: #2d1a1a;
    border-color: #5c1a1a;
}

.button-row .parse-btn {
    flex: 1;
    background: linear-gradient(135deg, var(--brand-blue), var(--brand-purple));
    border: none;
    border-radius: 14px;
    color: white;
    font-weight: 600;
    font-size: 15px;
    height: 48px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 6px 18px rgba(79, 124, 255, 0.30);
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.button-row .parse-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(79, 124, 255, 0.35);
}

.button-row .parse-btn:active {
    transform: scale(0.97);
}

.button-row .parse-btn:disabled {
    opacity: 0.7;
    transform: none;
    cursor: not-allowed;
}

@media (max-width: 640px) {
    .button-row .action-btn,
    .button-row .parse-btn {
        height: 44px;
        font-size: 13px;
        border-radius: 12px;
    }
    .button-row .action-btn {
        padding: 0 14px;
    }
}

@media (max-width: 420px) {
    .button-row .action-btn,
    .button-row .parse-btn {
        height: 40px;
        font-size: 13px;
        border-radius: 10px;
    }
    .button-row .action-btn {
        padding: 0 12px;
    }
    .button-row .action-btn i,
    .button-row .parse-btn i {
        font-size: 12px;
    }
}

/* ===== 广告位（已注释，但保留样式） ===== */
.ad-placeholder {
    display: block;
    margin: 16px 0 20px;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 4px 16px var(--shadow-color);
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}

.ad-placeholder:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px var(--shadow-color);
}

.ad-placeholder .ad-picture {
    display: block;
    width: 100%;
    height: auto;
    line-height: 0;
}

.ad-placeholder .ad-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.ad-placeholder:hover .ad-image {
    transform: scale(1.02);
}

.ad-placeholder .ad-label {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.85);
    background: rgba(0, 0, 0, 0.50);
    backdrop-filter: blur(4px);
    padding: 2px 12px;
    border-radius: 14px;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.12);
    pointer-events: none;
}

.ad-placeholder .ad-label i {
    font-size: 11px;
}

@media (max-width: 640px) {
    .ad-placeholder {
        margin: 12px 0 16px;
        border-radius: 12px;
    }
    .ad-placeholder .ad-label {
        top: 10px;
        right: 12px;
        font-size: 10px;
        padding: 1px 10px;
    }
}

@media (max-width: 420px) {
    .ad-placeholder {
        margin: 10px 0 14px;
        border-radius: 10px;
    }
    .ad-placeholder .ad-label {
        top: 8px;
        right: 10px;
        font-size: 9px;
        padding: 0 8px;
    }
}

/* ============================================================
   结果内容区
   ============================================================ */
.result-preview {
    margin: 16px 0 20px;
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: none;
    animation: fadeUp 0.4s ease;
    box-shadow: 0 4px 16px var(--shadow-color2);
}

.result-preview.show {
    display: block;
}

@keyframes fadeUp {
    0% {
        opacity: 0;
        transform: translateY(16px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 结果头部 - 并排不换行 ===== */
.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: 12px;
    padding: 14px 20px 12px;
    border-bottom: 1px solid var(--border-color);
    min-width: 0;
}

.result-header .result-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    flex-shrink: 0;
    white-space: nowrap;
}

.result-header .result-title .status-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #e6f7ee;
    color: #22b573;
    font-size: 14px;
    flex-shrink: 0;
}

.dark .result-header .result-title .status-icon {
    background: #1a3a2a;
    color: #34d399;
}

.result-header .result-response {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    background: var(--bg-btn);
    padding: 4px 16px;
    border-radius: 20px;
    white-space: nowrap;
    flex-shrink: 0;
}

.result-header .result-response i {
    color: var(--brand-blue);
    font-size: 13px;
    flex-shrink: 0;
}

.result-header .result-response strong {
    color: var(--text-primary);
    font-weight: 600;
}

@media (max-width: 640px) {
    .result-header {
        padding: 12px 16px 10px;
        flex-wrap: nowrap;
        gap: 8px;
    }
    .result-header .result-title {
        font-size: 14px;
        flex-shrink: 0;
        white-space: nowrap;
    }
    .result-header .result-response {
        font-size: 12px;
        padding: 3px 12px;
        flex-shrink: 0;
        white-space: nowrap;
    }
}

@media (max-width: 420px) {
    .result-header {
        padding: 10px 14px 8px;
        gap: 6px;
    }
    .result-header .result-title {
        font-size: 13px;
    }
    .result-header .result-response {
        font-size: 11px;
        padding: 2px 10px;
    }
}

/* 结果主体 */
.result-body {
    padding: 16px 20px 20px;
}

@media (max-width: 640px) {
    .result-body {
        padding: 12px 14px 16px;
    }
}

@media (max-width: 420px) {
    .result-body {
        padding: 10px 12px 14px;
    }
}

/* ===== 顶部行：信息（左）+ 封面（右）- 各占一半 ===== */
.result-top-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
    align-items: stretch;
}

@media (max-width: 640px) {
    .result-top-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

/* ===== 左列：信息 ===== */
.result-info-col {
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: center;
    min-width: 0;
}

.result-info-col .info-item {
    background: var(--bg-card-alt2);
    border-radius: 10px;
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    min-width: 0;
    flex: 1;
}

.result-info-col .info-item .info-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.result-info-col .info-item .info-label i {
    font-size: 13px;
    color: var(--brand-blue);
}

.result-info-col .info-item .info-value {
    font-size: 15px;
    color: var(--text-primary);
    word-break: break-all;
    line-height: 1.5;
    max-height: 3em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.result-info-col .info-item .info-value.link-value {
    font-size: 14px;
    color: var(--brand-blue);
    word-break: break-all;
    -webkit-line-clamp: 1;
}

@media (max-width: 640px) {
    .result-info-col .info-item .info-value {
        font-size: 14px;
    }
    .result-info-col .info-item .info-value.link-value {
        font-size: 13px;
    }
}

/* 右列：封面 - 占满整列 */
.result-cover-col {
    display: flex;
    align-items: stretch;
    position: relative;
}

.result-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--bg-card-alt);
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
}

/* ===== 封面角标 ===== */
.cover-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: 11px;
    font-weight: 500;
    padding: 2px 12px;
    border-radius: 14px;
    z-index: 5;
    letter-spacing: 0.5px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    user-select: none;
}

.result-cover .cover-blur {
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background-size: cover;
    background-position: center;
    filter: blur(20px);
    opacity: 0.5;
    transform: scale(1.1);
}

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

.result-cover .cover-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 6px;
    cursor: pointer;
    display: block;
    box-shadow: 0 2px 12px var(--shadow-color);
    transition: transform 0.25s ease;
}

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

.result-cover .cover-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 12px;
    gap: 6px;
    background: var(--bg-card-alt);
    z-index: 2;
}

.result-cover .cover-placeholder i {
    font-size: 28px;
    opacity: 0.5;
}

/* ===== 底部行：媒体内容 ===== */
.result-media-row {
    width: 100%;
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
    margin-top: 2px;
}

.result-media-row .video-wrap {
    border-radius: 12px;
    overflow: hidden;
    background: #0a0a0a;
    position: relative;
}

.dark .result-media-row .video-wrap {
    background: #000000;
}

.result-media-row .video-wrap video {
    width: 100%;
    max-height: 320px;
    display: block;
    background: #0a0a0a;
}

/* ===== 视频链接区 ===== */
.video-link-section {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.video-link-section .link-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.video-link-section .link-label i {
    color: var(--brand-blue);
}

.video-link-section .link-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color2);
    border-radius: 10px;
    font-size: 13px;
    font-family: inherit;
    background: var(--bg-card-alt);
    color: var(--text-primary);
    outline: none;
    line-height: 1.6;
    word-break: break-all;
    resize: none;
    overflow: hidden;
    min-height: 44px;
    transition: border 0.2s, height 0.15s ease;
}

.video-link-section .link-input:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.10);
}

.video-link-section .link-btn-group {
    display: flex;
    gap: 8px;
}

.video-link-section .link-btn-group .btn-link {
    flex: 1;
    padding: 9px 0;
    border-radius: 10px;
    border: none;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.video-link-section .link-btn-group .btn-link.btn-copy {
    background: var(--brand-blue);
    color: #fff;
}

.video-link-section .link-btn-group .btn-link.btn-copy:hover {
    background: #3a6ae6;
    transform: translateY(-1px);
}

.video-link-section .link-btn-group .btn-link.btn-copy:active {
    transform: scale(0.97);
}

.video-link-section .link-btn-group .btn-link.btn-visit {
    background: #22b573;
    color: #fff;
}

.video-link-section .link-btn-group .btn-link.btn-visit:hover {
    background: #1a9a62;
    transform: translateY(-1px);
}

.video-link-section .link-btn-group .btn-link.btn-visit:active {
    transform: scale(0.97);
}

.video-link-section .video-tip {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 2px;
}

.video-link-section .video-tip i {
    font-size: 12px;
}

/* 图集网格 */
.result-media-row .images-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    width: 100%;
}

@media (max-width: 640px) {
    .result-media-row .images-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 420px) {
    .result-media-row .images-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.result-media-row .grid-img-item {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    background: var(--bg-card-alt);
    transition: transform 0.2s, box-shadow 0.2s;
}

.result-media-row .grid-img-item:hover {
    transform: scale(1.04);
    box-shadow: 0 4px 16px var(--shadow-color);
    z-index: 2;
}

.result-media-row .grid-img-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.result-media-row .grid-img-item .media-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 12px;
    gap: 4px;
    background: rgba(245, 245, 245, 0.92);
    z-index: 2;
    user-select: none;
    text-align: center;
    padding: 8px;
}

.dark .result-media-row .grid-img-item .media-placeholder {
    background: rgba(30, 35, 45, 0.92);
}

.result-media-row .grid-img-item .media-placeholder i {
    font-size: 20px;
}

.result-media-row .grid-img-item .media-placeholder.clickable {
    cursor: pointer;
}

.result-media-row .grid-img-item .media-placeholder.clickable:hover {
    color: var(--brand-blue);
}

.result-media-row .image-count-tip {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.result-media-row .image-count-tip i {
    color: var(--brand-blue);
}

.result-media-row .no-content {
    color: var(--text-light);
    font-size: 14px;
    padding: 12px 0;
    text-align: center;
}

/* ===== 信息卡片 ===== */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 20px 0 18px;
}

@media (max-width: 640px) {
    .info-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        margin: 16px 0 14px;
    }
}

@media (max-width: 420px) {
    .info-grid {
        gap: 10px;
        margin: 12px 0 10px;
    }
}

.info-card {
    background: var(--bg-card-alt2);
    border-radius: 18px;
    padding: 16px 18px;
    border: 1px solid var(--border-color);
    transition: border 0.2s;
}

.info-card:hover {
    border-color: var(--border-color2);
}

@media (max-width: 640px) {
    .info-card {
        padding: 14px 14px;
        border-radius: 14px;
    }
}

@media (max-width: 420px) {
    .info-card {
        padding: 12px 12px;
        border-radius: 12px;
    }
}

.info-card .card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.info-card .card-title i {
    color: var(--brand-blue);
    font-size: 16px;
    width: 24px;
    text-align: center;
}

.info-card p,
.info-card li {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card ul li {
    padding-left: 18px;
    position: relative;
    margin-bottom: 3px;
}

.info-card ul li::before {
    content: '•';
    position: absolute;
    left: 2px;
    color: var(--brand-blue);
    font-weight: 700;
}

.steps-list {
    counter-reset: step;
}

.steps-list li {
    counter-increment: step;
    padding-left: 28px !important;
    margin-bottom: 4px;
}

.steps-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    background: #eef4fe;
    color: var(--brand-blue);
    font-weight: 700;
    font-size: 11px;
    width: 18px;
    height: 18px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dark .steps-list li::before {
    background: #1c2a4a;
}

@media (max-width: 640px) {
    .info-card .card-title {
        font-size: 13px;
        margin-bottom: 6px;
    }
    .info-card p,
    .info-card li {
        font-size: 12px;
    }
    .steps-list li {
        padding-left: 24px !important;
    }
    .steps-list li::before {
        width: 16px;
        height: 16px;
        font-size: 10px;
    }
}

@media (max-width: 420px) {
    .info-card .card-title {
        font-size: 12px;
        gap: 6px;
    }
    .info-card .card-title i {
        font-size: 14px;
        width: 20px;
    }
    .info-card p,
    .info-card li {
        font-size: 12px;
        line-height: 1.5;
    }
    .steps-list li {
        padding-left: 22px !important;
    }
    .steps-list li::before {
        width: 14px;
        height: 14px;
        font-size: 9px;
    }
}

/* ===== 统计条 ===== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 4px 0 2px;
    background: var(--bg-card-alt);
    border-radius: 18px;
    padding: 14px 10px;
    border: 1px solid var(--border-color3);
}

@media (max-width: 640px) {
    .stats-bar {
        gap: 8px;
        padding: 12px 8px;
        border-radius: 14px;
    }
}

@media (max-width: 420px) {
    .stats-bar {
        gap: 6px;
        padding: 10px 6px;
        border-radius: 12px;
        grid-template-columns: 1fr 1fr;
    }
}

.stat-item {
    text-align: center;
}

.stat-item .stat-number {
    font-size: 21px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.2px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.stat-item .stat-number .suffix {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
}

.stat-item .stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.stat-item.highlight .stat-number {
    color: var(--brand-blue);
}

.stat-item .stat-number .unit {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 2px;
}

@media (max-width: 640px) {
    .stat-item .stat-number {
        font-size: 18px;
    }
    .stat-item .stat-number .suffix {
        font-size: 12px;
    }
    .stat-item .stat-label {
        font-size: 11px;
    }
    .stat-item .stat-number .unit {
        font-size: 11px;
    }
}

@media (max-width: 420px) {
    .stat-item .stat-number {
        font-size: 16px;
    }
    .stat-item .stat-number .suffix {
        font-size: 11px;
    }
    .stat-item .stat-label {
        font-size: 10px;
        margin-top: 1px;
    }
    .stat-item .stat-number .unit {
        font-size: 10px;
    }
}

/* ===== 底部 ===== */
.footer-note {
    margin-top: 18px;
    text-align: center;
    font-size: 12px;
    color: var(--text-light);
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-note a {
    color: var(--brand-blue);
    text-decoration: none;
    font-weight: 500;
}

.footer-note a:hover {
    text-decoration: underline;
}

@media (max-width: 640px) {
    .footer-note {
        margin-top: 14px;
        padding-top: 14px;
        font-size: 11px;
        gap: 12px;
    }
}

@media (max-width: 420px) {
    .footer-note {
        margin-top: 12px;
        padding-top: 12px;
        font-size: 10px;
        gap: 10px;
    }
}

/* ============================================================
   Toast - 顶部悬浮
   ============================================================ */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-120px);
    background: #1a2639;
    color: white;
    padding: 12px 24px;
    border-radius: 36px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    pointer-events: none;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 90%;
    white-space: nowrap;
}

.dark .toast {
    background: #2d3748;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.toast i {
    font-size: 18px;
}

@media (max-width: 640px) {
    .toast {
        top: 16px;
        padding: 10px 18px;
        font-size: 13px;
        border-radius: 28px;
    }
    .toast i {
        font-size: 15px;
    }
}

@media (max-width: 420px) {
    .toast {
        top: 16px;
        padding: 10px 18px;
        font-size: 13px;
        border-radius: 28px;
    }
    .toast i {
        font-size: 15px;
    }
}

/* ============================================================
   模态框
   ============================================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.50);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.dark .modal-overlay {
    background: rgba(0, 0, 0, 0.70);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-box {
    background: var(--bg-card);
    border-radius: 36px;
    max-width: 500px;
    width: 100%;
    padding: 36px 40px 32px;
    box-shadow: 0 40px 100px var(--shadow-color);
    position: relative;
    transform: scale(0.92) translateY(24px);
    transition: transform 0.40s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.35s ease;
    opacity: 0;
}

.modal-overlay.active .modal-box {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.modal-box .modal-close {
    position: absolute;
    top: 18px;
    right: 22px;
    background: none;
    border: none;
    font-size: 26px;
    color: var(--text-light);
    cursor: pointer;
    transition: 0.25s;
    line-height: 1;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-box .modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-btn);
    transform: rotate(90deg);
}

.modal-box .modal-icon {
    font-size: 44px;
    color: var(--brand-blue);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-box .modal-icon.danger {
    color: #e74c3c;
}

.modal-box .modal-icon.qq-icon {
    color: var(--brand-qq);
}

.modal-box .modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.modal-box .modal-body {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    padding: 0 4px;
}

.modal-body .info-list {
    list-style: none;
    padding: 0;
    margin: 6px 0 0;
}

.modal-body .info-list li {
    padding: 6px 0 6px 28px;
    position: relative;
    border-bottom: 1px solid var(--border-color);
    line-height: 1.6;
}

.modal-body .info-list li:last-child {
    border-bottom: none;
}

.modal-body .info-list li::before {
    content: '◆';
    position: absolute;
    left: 2px;
    top: 6px;
    color: var(--brand-blue);
    font-size: 12px;
    opacity: 0.7;
}

.modal-body .info-text {
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-secondary);
    padding: 4px 0;
}

.modal-body .info-text strong {
    color: var(--text-primary);
}

/* QQ群专用 */
.qq-group-content {
    text-align: center;
    padding: 4px 0 8px;
}

.qq-group-content .qq-desc {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.qq-group-content .qq-number-box {
    display: inline-block;
    background: linear-gradient(135deg, #f0f7ff, #e6f0ff);
    padding: 12px 32px;
    border-radius: 16px;
    margin-bottom: 20px;
    border: 2px dashed var(--brand-blue);
}

.dark .qq-group-content .qq-number-box {
    background: linear-gradient(135deg, #1a2a3a, #1a2a4a);
    border-color: var(--brand-blue);
}

.qq-group-content .qq-number {
    font-size: 30px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 2px;
    font-family: 'SF Mono', 'Inter', monospace;
}

.qq-group-content .qq-number .highlight {
    color: var(--brand-qq);
}

.qq-group-content .qq-qr-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 4px 0 10px;
}

.qq-group-content .qq-qr-wrapper img {
    width: 150px;
    height: 150px;
    border-radius: 16px;
    border: 2px solid var(--border-color);
    background: #ffffff;
    padding: 8px;
    box-shadow: 0 4px 20px var(--shadow-color);
    transition: transform 0.3s ease;
}

.dark .qq-group-content .qq-qr-wrapper img {
    background: #1a1a2a;
}

.qq-group-content .qq-qr-wrapper img:hover {
    transform: scale(1.03);
}

.qq-group-content .qq-qr-wrapper .qr-tip {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 10px;
    letter-spacing: 0.5px;
}

.qq-group-content .qq-qr-wrapper .qr-tip i {
    color: var(--brand-qq);
    margin-right: 4px;
}

.modal-box .modal-footer {
    margin-top: 28px;
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.modal-box .modal-footer .btn-modal {
    padding: 12px 32px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.25s;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 100px;
}

.modal-box .modal-footer .btn-modal:active {
    transform: scale(0.96);
}

.modal-box .modal-footer .btn-modal-primary {
    background: var(--bg-btn);
    color: var(--text-secondary);
}

.modal-box .modal-footer .btn-modal-primary:hover {
    background: var(--bg-btn-hover);
    transform: translateY(-2px);
}

.modal-box .modal-footer .btn-modal-secondary {
    background: var(--bg-btn);
    color: var(--text-secondary);
}

.modal-box .modal-footer .btn-modal-secondary:hover {
    background: var(--bg-btn-hover);
    transform: translateY(-2px);
}

.modal-box .modal-footer .btn-modal-danger {
    background: #e74c3c;
    color: white;
    box-shadow: 0 4px 14px rgba(231, 76, 60, 0.30);
}

.modal-box .modal-footer .btn-modal-danger:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.35);
}

.modal-box .modal-footer .btn-modal-join {
    background: linear-gradient(135deg, var(--brand-qq), #0d8ec9);
    color: white;
    box-shadow: 0 4px 16px rgba(18, 183, 245, 0.35);
}

.modal-box .modal-footer .btn-modal-join:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(18, 183, 245, 0.40);
}

.modal-box .modal-footer .btn-modal-join i {
    font-size: 18px;
}

@media (max-width: 640px) {
    .modal-box {
        padding: 28px 24px 24px;
        border-radius: 28px;
        max-width: 440px;
    }
    .modal-box .modal-icon {
        font-size: 36px;
    }
    .modal-box .modal-title {
        font-size: 21px;
    }
    .modal-box .modal-body {
        font-size: 14px;
    }
    .modal-box .modal-footer .btn-modal {
        padding: 10px 24px;
        font-size: 14px;
        min-width: 80px;
    }
    .qq-group-content .qq-number {
        font-size: 26px;
    }
    .qq-group-content .qq-qr-wrapper img {
        width: 130px;
        height: 130px;
    }
    .qq-group-content .qq-number-box {
        padding: 10px 24px;
    }
}

@media (max-width: 420px) {
    .modal-box {
        padding: 22px 16px 18px;
        border-radius: 22px;
    }
    .modal-box .modal-close {
        top: 12px;
        right: 14px;
        font-size: 20px;
        width: 32px;
        height: 32px;
    }
    .modal-box .modal-icon {
        font-size: 30px;
        margin-bottom: 6px;
    }
    .modal-box .modal-title {
        font-size: 18px;
        margin-bottom: 8px;
    }
    .modal-box .modal-body {
        font-size: 13px;
        padding: 0 2px;
    }
    .modal-box .modal-footer {
        margin-top: 20px;
        gap: 10px;
    }
    .modal-box .modal-footer .btn-modal {
        padding: 8px 18px;
        font-size: 13px;
        min-width: 70px;
        flex: 1;
    }
    .qq-group-content .qq-number {
        font-size: 22px;
    }
    .qq-group-content .qq-qr-wrapper img {
        width: 110px;
        height: 110px;
        padding: 6px;
    }
    .qq-group-content .qq-number-box {
        padding: 8px 16px;
        margin-bottom: 14px;
    }
    .qq-group-content .qq-desc {
        font-size: 13px;
        margin-bottom: 12px;
    }
    .modal-body .info-list li {
        padding: 4px 0 4px 24px;
        font-size: 13px;
    }
    .modal-body .info-list li::before {
        font-size: 10px;
        top: 4px;
    }
}

/* ===== 图片预览遮罩 ===== */
.image-preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.80);
    backdrop-filter: blur(12px);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    cursor: pointer;
}
.image-preview-overlay.active {
    display: flex;
}
.image-preview-overlay .preview-img {
    max-width: 90%;
    max-height: 80%;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    background: #fff;
    padding: 8px;
    cursor: default;
}
.dark .image-preview-overlay .preview-img {
    background: #1a1a2a;
}
.image-preview-overlay .close-preview {
    position: absolute;
    top: 28px;
    right: 36px;
    font-size: 40px;
    color: #fff;
    cursor: pointer;
    opacity: 0.6;
    transition: 0.3s;
    z-index: 2;
}
.image-preview-overlay .close-preview:hover {
    opacity: 1;
    transform: rotate(90deg);
}
.image-preview-overlay .preview-actions {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
    z-index: 2;
}
.image-preview-overlay .preview-actions .btn-preview {
    padding: 10px 28px;
    border-radius: 40px;
    border: none;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: 0.3s;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.image-preview-overlay .preview-actions .btn-preview:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}
.image-preview-overlay .preview-actions .btn-preview.download {
    background: var(--brand-blue);
    color: #fff;
    border: none;
}
.image-preview-overlay .preview-actions .btn-preview.download:hover {
    background: #3a6ae6;
}

@media (max-width: 640px) {
    .image-preview-overlay .close-preview {
        top: 16px;
        right: 20px;
        font-size: 32px;
    }
    .image-preview-overlay .preview-actions {
        bottom: 28px;
        gap: 10px;
    }
    .image-preview-overlay .preview-actions .btn-preview {
        padding: 8px 20px;
        font-size: 13px;
    }
}

/* ===== 历史记录列表（在模态框内） ===== */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 480px;
    overflow-y: auto;
    padding-right: 4px;
}

.history-list::-webkit-scrollbar {
    width: 4px;
}
.history-list::-webkit-scrollbar-thumb {
    background: var(--border-color2);
    border-radius: 10px;
}
.history-list::-webkit-scrollbar-track {
    background: transparent;
}

/* 提示文字样式 */
.history-tip {
    font-size: 12px;
    color: var(--text-muted);
    background: var(--bg-btn);
    padding: 6px 12px;
    border-radius: 8px;
    margin-bottom: 10px;
    line-height: 1.5;
    border-left: 3px solid var(--brand-blue);
}

.history-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg-card-alt2);
    border-radius: 12px;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s;
}

.history-item:hover {
    background: var(--bg-btn);
    border-color: var(--brand-blue);
    transform: translateX(4px);
}

.history-item:active {
    transform: scale(0.98);
}

.history-cover {
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-card-alt);
    border: 1px solid var(--border-color2);
}

.history-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.history-cover .no-cover {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 24px;
    background: var(--bg-card-alt);
}

.history-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.history-info .history-link {
    font-size: 13px;
    font-weight: 500;
    color: var(--brand-blue);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 标题字体调小 */
.history-info .history-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.history-meta .history-type {
    display: inline-block;
    padding: 1px 10px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 11px;
}

.history-type.video {
    background: #dbeafe;
    color: #2563eb;
}
.dark .history-type.video {
    background: #1e2a4a;
    color: #60a5fa;
}

.history-type.album {
    background: #fce4ec;
    color: #d81b60;
}
.dark .history-type.album {
    background: #3a1a2a;
    color: #f472b6;
}

.history-time {
    font-size: 11px;
    color: var(--text-light);
}

@media (max-width: 640px) {
    .history-item {
        padding: 8px 12px;
        gap: 12px;
    }
    .history-cover {
        flex: 0 0 54px;
        width: 54px;
        height: 54px;
        border-radius: 8px;
    }
    .history-info .history-link {
        font-size: 12px;
    }
    .history-info .history-title {
        font-size: 12px;
    }
    .history-meta {
        font-size: 11px;
        gap: 6px;
        flex-wrap: wrap;
    }
    .history-meta .history-type {
        font-size: 10px;
        padding: 0 8px;
    }
    .history-tip {
        font-size: 11px;
        padding: 5px 10px;
    }
}

@media (max-width: 420px) {
    .history-item {
        padding: 6px 10px;
        gap: 10px;
    }
    .history-cover {
        flex: 0 0 46px;
        width: 46px;
        height: 46px;
        border-radius: 6px;
    }
    .history-info .history-link {
        font-size: 11px;
    }
    .history-info .history-title {
        font-size: 11px;
    }
    .history-meta {
        font-size: 10px;
        gap: 4px;
    }
    .history-meta .history-type {
        font-size: 9px;
        padding: 0 6px;
    }
    .history-time {
        font-size: 9px;
    }
    .history-tip {
        font-size: 10px;
        padding: 4px 8px;
    }
}