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

body {
    font-family: 'Noto Serif SC', serif;
    min-height: 100vh;
    min-height: 100svh;
    overflow-x: hidden;
    overflow-y: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    background-color: #1a1028;
    position: relative; /* 允许页脚绝对定位 */
    padding-bottom: 6rem; /* 为底部常驻页脚留出空间，防止内容遮挡 */
}

/* 适配 iOS 底部栏安全区域 */
@supports (padding: env(safe-area-inset-bottom)) {
    body {
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* 背景图片层 */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #1a1028;
    background-size: cover;
    background-position: center;
    z-index: -2;
    transition: opacity 1s ease-in-out;
}

/* 遮罩层 */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.6));
    z-index: -1;
}

/* 主容器 */
.container {
    text-align: center;
    width: 92%;
    max-width: 800px;
    padding: 2rem 0 6rem;
    /* 为移动端底栏留出空间 */
    animation: fadeIn 1.5s ease-out;
}

@media (min-width: 769px) {
    .container {
        padding: 0;
    }
}

.title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
    font-family: 'Dancing Script', cursive;
    font-size: 2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.timer-container.glass-effect {
    padding: 3rem 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.13);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
}

.quote-section {
    padding: 1.5rem 2rem;
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

#quote-text {
    font-size: 1.2rem;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

#quote-from {
    font-size: 0.9rem;
    opacity: 0.7;
    text-align: right;
}

.time-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.time-value {
    font-family: 'Dancing Script', cursive;
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    min-width: 80px;
}

.time-label {
    font-size: 1rem;
    opacity: 0.8;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.separator {
    font-size: 3rem;
    font-family: 'Dancing Script', cursive;
    margin-top: -1.5rem;
    opacity: 0.6;
    animation: pulse 2s infinite;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.4;
    }

    50% {
        opacity: 0.8;
    }
}

/* ================================================
   侧边按钮
   ================================================ */
.side-wheel {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 100;
}

.wheel-btn {
    width: 140px;
    height: 60px;
    border-radius: 50px 0 0 50px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-right: none;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: #fff;
    font-family: 'Noto Serif SC', serif;
    font-size: 1.1rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    display: flex;
    justify-content: center;
    align-items: center;
    transform-origin: right center;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.wheel-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    transform: translateX(-100%);
    transition: 0.55s;
}

.wheel-btn:hover::after {
    transform: translateX(100%);
}

.wheel-btn:hover {
    width: 162px;
    background: rgba(255, 255, 255, 0.22);
    box-shadow: -5px 5px 30px rgba(255, 255, 255, 0.25);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.9);
    padding-right: 10px;
}

/* ================================================
   弹窗基础 — 全屏沉浸式
   ================================================ */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    justify-content: center;
    align-items: center;
    transition: background 0.45s ease;
}

.modal.modal-show {
    background: rgba(0, 0, 0, 0.72);
}

.modal-content {
    width: 92%;
    max-width: 800px;
    max-height: 92vh;
    max-height: 92dvh;
    display: flex;
    flex-direction: column;
    /* 深邃玻璃背景 */
    background: linear-gradient(150deg,
            rgba(18, 14, 40, 0.94) 0%,
            rgba(22, 18, 55, 0.92) 50%,
            rgba(12, 10, 30, 0.96) 100%);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow:
        0 32px 80px rgba(0, 0, 0, 0.6),
        0 0 0 1px rgba(255, 255, 255, 0.04) inset;
    transform: translateY(40px) scale(0.94);
    opacity: 0;
    transition: transform 0.55s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    overflow: hidden;
    position: relative;
}

/* 顶部极光光晕装饰 */
.modal-content::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 120px;
    background: radial-gradient(ellipse,
            rgba(150, 120, 255, 0.18) 0%,
            rgba(255, 100, 180, 0.10) 50%,
            transparent 70%);
    filter: blur(20px);
    pointer-events: none;
    z-index: 0;
}

.modal.modal-show .modal-content {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* ================================================
   弹窗 Header
   ================================================ */
.modal-header {
    padding: 1.8rem 2rem 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    text-align: center;
}

.modal-header h2 {
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: 4px;
    background: linear-gradient(130deg,
            #fff 0%,
            rgba(200, 190, 255, 0.95) 45%,
            rgba(255, 170, 220, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-header .close-btn {
    position: absolute;
    right: 1.4rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.6rem;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.45);
    -webkit-text-fill-color: rgba(255, 255, 255, 0.45);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    transition: all 0.3s;
}

.modal-header .close-btn:hover {
    color: rgba(255, 255, 255, 0.9);
    -webkit-text-fill-color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) rotate(90deg);
}

/* ================================================
   统计徽章条
   ================================================ */
.stats-bar {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 0.7rem 2rem;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.stat-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    font-size: 0.78rem;
    letter-spacing: 0.5px;
    opacity: 0.75;
    transition: all 0.3s;
    color: rgba(255, 255, 255, 0.85);
}

.stat-badge:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(255, 255, 255, 0.15);
}

.stat-badge .stat-value {
    font-weight: 700;
    color: #c4b5fd;
}

/* ================================================
   弹窗 Body & Footer
   ================================================ */
.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 2rem;
    position: relative;
    z-index: 1;
}

.modal-body::-webkit-scrollbar {
    width: 3px;
}

.modal-body::-webkit-scrollbar-track {
    background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
    background: rgba(200, 190, 255, 0.2);
    border-radius: 10px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: rgba(200, 190, 255, 0.4);
}

.modal-body {
    scrollbar-width: thin;
    scrollbar-color: rgba(200, 190, 255, 0.2) transparent;
}

.modal-footer {
    padding: 1rem 2rem 1.6rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

/* ================================================
   空状态 & 加载状态
   ================================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3.5rem 1rem;
    opacity: 0.45;
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: float 3.5s ease-in-out infinite;
}

.empty-state .empty-text {
    font-size: 0.9rem;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.7);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.loading-state {
    display: flex;
    justify-content: center;
    padding: 3rem;
}

.loading-dots {
    display: flex;
    gap: 7px;
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: rgba(196, 181, 253, 0.5);
    border-radius: 50%;
    animation: dotBounce 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.16s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.32s;
}

@keyframes dotBounce {

    0%,
    80%,
    100% {
        transform: scale(0.6);
        opacity: 0.4;
    }

    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ================================================
   留言板 — 沉浸式聊天气泡
   ================================================ */
.chat-list {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.msg-bubble {
    max-width: 78%;
    padding: 1rem 1.3rem 0.8rem;
    border-radius: 20px;
    position: relative;
    animation: bubbleIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
    word-break: break-word;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* 奇数：左侧（蓝紫色调） */
.msg-bubble:nth-child(odd) {
    align-self: flex-start;
    background: linear-gradient(145deg,
            rgba(110, 86, 207, 0.32) 0%,
            rgba(90, 68, 180, 0.22) 100%);
    border: 1px solid rgba(150, 130, 255, 0.20);
    border-bottom-left-radius: 6px;
    box-shadow:
        0 4px 20px rgba(110, 86, 207, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

/* 偶数：右侧（玫红色调） */
.msg-bubble:nth-child(even) {
    align-self: flex-end;
    background: linear-gradient(145deg,
            rgba(219, 80, 140, 0.30) 0%,
            rgba(180, 60, 110, 0.20) 100%);
    border: 1px solid rgba(255, 130, 180, 0.18);
    border-bottom-right-radius: 6px;
    box-shadow:
        0 4px 20px rgba(219, 80, 140, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.msg-bubble:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(0, 0, 0, 0.3);
}

/* 气泡左侧小三角 */
.msg-bubble:nth-child(odd)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -7px;
    border: 7px solid transparent;
    border-right-color: rgba(110, 86, 207, 0.30);
    border-bottom: 0;
    transform: translateY(-6px);
}

/* 气泡右侧小三角 */
.msg-bubble:nth-child(even)::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: -7px;
    border: 7px solid transparent;
    border-left-color: rgba(219, 80, 140, 0.28);
    border-bottom: 0;
    transform: translateY(-6px);
}

.msg-bubble .bubble-text {
    font-size: 0.96rem;
    line-height: 1.65;
    margin-bottom: 0.45rem;
    color: rgba(255, 255, 255, 0.93);
}

.msg-bubble .bubble-time {
    font-size: 0.68rem;
    opacity: 0.45;
    text-align: right;
    letter-spacing: 0.5px;
}

.msg-bubble .bubble-delete {
    position: absolute;
    top: -9px;
    right: -9px;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    background: rgba(255, 60, 80, 0.75);
    backdrop-filter: blur(6px);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    cursor: pointer;
    opacity: 0;
    transition: all 0.25s;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
}

.msg-bubble:hover .bubble-delete {
    opacity: 1;
}

.msg-bubble .bubble-delete:hover {
    background: rgba(255, 40, 60, 1);
    transform: scale(1.18);
}

/* 气泡入场动画 */
@keyframes bubbleIn {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.96);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.msg-bubble:nth-child(1) {
    animation-delay: 0s;
}

.msg-bubble:nth-child(2) {
    animation-delay: 0.06s;
}

.msg-bubble:nth-child(3) {
    animation-delay: 0.12s;
}

.msg-bubble:nth-child(4) {
    animation-delay: 0.18s;
}

.msg-bubble:nth-child(5) {
    animation-delay: 0.24s;
}

.msg-bubble:nth-child(6) {
    animation-delay: 0.30s;
}

.msg-bubble:nth-child(7) {
    animation-delay: 0.36s;
}

.msg-bubble:nth-child(8) {
    animation-delay: 0.42s;
}

/* ================================================
   悄悄话 — 梦幻信笺
   ================================================ */
.secret-list {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.secret-note {
    position: relative;
    padding: 1.5rem 1.8rem 1.2rem;
    border-radius: 6px 16px 16px 6px;
    animation: noteSlide 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
    transition: all 0.35s ease;
    word-break: break-word;
    overflow: hidden;
    background: linear-gradient(145deg,
            rgba(255, 245, 225, 0.09) 0%,
            rgba(255, 235, 200, 0.05) 100%);
    border: 1px solid rgba(255, 222, 160, 0.12);
    box-shadow:
        0 6px 24px rgba(0, 0, 0, 0.18),
        2px 2px 0 rgba(255, 200, 120, 0.06) inset;
}

/* 纸张右侧折叠效果 */
.secret-note::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 24px 24px 0;
    border-color: transparent rgba(0, 0, 0, 0.35) transparent transparent;
    z-index: 2;
}

.secret-note::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 24px;
    height: 24px;
    background: linear-gradient(225deg,
            rgba(255, 200, 120, 0.08) 0%,
            transparent 100%);
    z-index: 1;
}

/* 左侧彩色竖条装饰 */
.secret-note .note-stripe {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    border-radius: 6px 0 0 6px;
}

.secret-note:nth-child(odd) .note-stripe {
    background: linear-gradient(180deg, #c4b5fd, #818cf8, #a78bfa);
}

.secret-note:nth-child(even) .note-stripe {
    background: linear-gradient(180deg, #fda4af, #fb7185, #f43f5e80);
}

.secret-note:hover {
    transform: translateX(6px);
    border-color: rgba(255, 222, 160, 0.22);
    box-shadow:
        0 10px 36px rgba(0, 0, 0, 0.28),
        -4px 0 16px rgba(167, 139, 250, 0.12);
    background: linear-gradient(145deg,
            rgba(255, 245, 225, 0.13) 0%,
            rgba(255, 235, 200, 0.08) 100%);
}

.secret-note .note-text {
    font-size: 0.95rem;
    line-height: 2;
    font-style: italic;
    color: rgba(255, 255, 255, 0.88);
    padding-left: 0.5rem;
    /* 稿纸线 */
    background-image: repeating-linear-gradient(transparent,
            transparent calc(2em - 1px),
            rgba(255, 255, 255, 0.04) calc(2em - 1px),
            rgba(255, 255, 255, 0.04) 2em);
}

.secret-note .note-time {
    display: block;
    font-size: 0.68rem;
    opacity: 0.35;
    text-align: right;
    margin-top: 0.6rem;
    letter-spacing: 0.5px;
    font-style: normal;
}

.secret-note .note-delete {
    position: absolute;
    top: 10px;
    right: 32px;
    /* 避开折角 */
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    background: rgba(255, 60, 80, 0.65);
    backdrop-filter: blur(6px);
    color: white;
    border-radius: 50%;
    font-size: 0.72rem;
    cursor: pointer;
    opacity: 0;
    transition: all 0.25s;
    z-index: 5;
}

.secret-note:hover .note-delete {
    opacity: 1;
}

.secret-note .note-delete:hover {
    background: rgba(255, 40, 60, 0.95);
    transform: scale(1.18);
}

@keyframes noteSlide {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.secret-note:nth-child(1) {
    animation-delay: 0s;
}

.secret-note:nth-child(2) {
    animation-delay: 0.07s;
}

.secret-note:nth-child(3) {
    animation-delay: 0.14s;
}

.secret-note:nth-child(4) {
    animation-delay: 0.21s;
}

.secret-note:nth-child(5) {
    animation-delay: 0.28s;
}

/* 上锁界面 */
#secret-lock, #memory-lock {
    padding: 2.5rem 1rem;
    text-align: center;
}

#secret-lock h2, #memory-lock h2 {
    margin-bottom: 1.5rem;
    background: linear-gradient(130deg, #fff 0%, rgba(200, 190, 255, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#secret-lock p, #memory-lock p {
    opacity: 0.55;
    margin-bottom: 1.5rem;
    font-size: 0.88rem;
    letter-spacing: 1px;
}

#secret-lock input, #memory-lock input {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 0.85rem 1rem;
    border-radius: 14px;
    color: white;
    font-size: 1.4rem;
    text-align: center;
    letter-spacing: 10px;
    width: 190px;
    outline: none;
    transition: all 0.3s;
    font-family: inherit;
}

#secret-lock input:focus, #memory-lock input:focus {
    border-color: rgba(196, 181, 253, 0.5);
    background: rgba(255, 255, 255, 0.09);
    box-shadow: 0 0 20px rgba(196, 181, 253, 0.12);
}

#secret-lock button, #memory-lock button {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.7rem 2.4rem;
    background: linear-gradient(135deg,
            rgba(196, 181, 253, 0.22) 0%,
            rgba(251, 113, 133, 0.18) 100%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 24px;
    color: white;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    letter-spacing: 3px;
    transition: all 0.35s;
}

#secret-lock button:hover, #memory-lock button:hover {
    background: linear-gradient(135deg,
            rgba(196, 181, 253, 0.38) 0%,
            rgba(251, 113, 133, 0.32) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(196, 181, 253, 0.2);
}

/* 重新上锁 */
.relock-btn {
    position: absolute;
    top: 1.2rem;
    left: 1.5rem;
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.10) !important;
    border-radius: 18px !important;
    font-size: 0.75rem !important;
    padding: 0.3rem 0.85rem !important;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s;
    font-family: inherit;
    letter-spacing: 0.5px;
    z-index: 5;
}

.relock-btn:hover {
    background: rgba(255, 255, 255, 0.12) !important;
    color: white;
    border-color: rgba(255, 255, 255, 0.2) !important;
}

/* ================================================
   记忆墙 — 时间轴
   ================================================ */
.timeline {
    position: relative;
    padding: 0.5rem 0 1rem;
}

/* 时间线 */
.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom,
            transparent 0%,
            rgba(196, 181, 253, 0.25) 8%,
            rgba(196, 181, 253, 0.25) 92%,
            transparent 100%);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    position: relative;
    animation: slideCard 0.55s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
    padding-right: calc(50% + 28px);
    text-align: right;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
    padding-left: calc(50% + 28px);
    text-align: left;
}

/* 圆点 */
.timeline-dot {
    position: absolute;
    left: 50%;
    top: 1.2rem;
    width: 14px;
    height: 14px;
    background: linear-gradient(135deg, #c4b5fd, #f9a8d4);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow:
        0 0 0 3px rgba(196, 181, 253, 0.15),
        0 0 14px rgba(196, 181, 253, 0.35);
    z-index: 2;
    flex-shrink: 0;
}

.timeline-dot::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    border: 1.5px solid rgba(196, 181, 253, 0.2);
    animation: dotPulse 3.5s ease-in-out infinite;
}

@keyframes dotPulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.8);
        opacity: 0;
    }
}

/* 卡片 */
.timeline-card {
    background: linear-gradient(150deg,
            rgba(255, 255, 255, 0.07) 0%,
            rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.38s cubic-bezier(0.25, 1, 0.5, 1);
    position: relative;
    flex: 1;
}

.timeline-card:hover {
    transform: translateY(-5px);
    background: linear-gradient(150deg,
            rgba(255, 255, 255, 0.10) 0%,
            rgba(255, 255, 255, 0.05) 100%);
    border-color: rgba(196, 181, 253, 0.22);
    box-shadow:
        0 16px 40px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(196, 181, 253, 0.10) inset;
}

/* 卡片顶部彩色线 */
.timeline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    opacity: 0;
    transition: opacity 0.3s;
}

.timeline-item:nth-child(odd) .timeline-card::before {
    background: linear-gradient(90deg, #c4b5fd, #818cf8);
}

.timeline-item:nth-child(even) .timeline-card::before {
    background: linear-gradient(90deg, #f9a8d4, #fb7185);
}

.timeline-card:hover::before {
    opacity: 1;
}

.card-img-wrap {
    overflow: hidden;
}

.timeline-card .card-img {
    width: 100%;
    height: auto;
    max-height: 480px;
    object-fit: contain;
    background: rgba(0, 0, 0, 0.15); /* 用于极少部分边缘留白的细致背景色兜底 */
    display: block;
    transition: transform 0.55s ease;
}

.timeline-card:hover .card-img {
    transform: scale(1.06);
}

.timeline-card .card-body {
    padding: 1rem 1.3rem 1.1rem;
    text-align: left;
}

.timeline-card .card-date {
    font-size: 0.72rem;
    opacity: 0.45;
    margin-bottom: 0.55rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    letter-spacing: 0.5px;
}

.timeline-card .card-content {
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.55;
    word-wrap: break-word;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 0.55rem;
}

.timeline-card .card-feeling {
    font-size: 0.85rem;
    font-style: italic;
    opacity: 0.72;
    border-left: 2px solid rgba(196, 181, 253, 0.35);
    padding-left: 0.8rem;
    margin-top: 0.5rem;
    word-wrap: break-word;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.82);
}

.timeline-card .card-delete {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 26px;
    height: 26px;
    line-height: 26px;
    text-align: center;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    font-size: 0.8rem;
    cursor: pointer;
    opacity: 0;
    transition: all 0.25s;
    z-index: 3;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.timeline-card:hover .card-delete {
    opacity: 1;
}

.timeline-card .card-delete:hover {
    background: rgba(255, 50, 50, 0.8);
    transform: scale(1.18);
    color: white;
}

@keyframes slideCard {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.timeline-item:nth-child(1) {
    animation-delay: 0s;
}

.timeline-item:nth-child(2) {
    animation-delay: 0.09s;
}

.timeline-item:nth-child(3) {
    animation-delay: 0.18s;
}

.timeline-item:nth-child(4) {
    animation-delay: 0.27s;
}

.timeline-item:nth-child(5) {
    animation-delay: 0.36s;
}

.timeline-item:nth-child(6) {
    animation-delay: 0.45s;
}

/* ================================================
   输入区（通用升级）
   ================================================ */
.input-row {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.input-row input[type="text"] {
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.10);
    padding: 0.8rem 1.2rem;
    border-radius: 16px;
    color: white;
    outline: none;
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.35s;
}

.input-row input[type="text"]:focus {
    border-color: rgba(196, 181, 253, 0.45);
    background: rgba(255, 255, 255, 0.09);
    box-shadow: 0 0 18px rgba(196, 181, 253, 0.10);
}

.input-row input[type="text"]::placeholder {
    color: rgba(255, 255, 255, 0.25);
    letter-spacing: 0.5px;
}

.send-btn {
    padding: 0.8rem 1.6rem;
    background: linear-gradient(135deg,
            rgba(196, 181, 253, 0.28) 0%,
            rgba(249, 168, 212, 0.24) 100%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.88rem;
    letter-spacing: 1.5px;
    transition: all 0.35s;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.send-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
}

.send-btn:hover::after {
    transform: translateX(100%);
}

.send-btn:hover {
    background: linear-gradient(135deg,
            rgba(196, 181, 253, 0.42) 0%,
            rgba(249, 168, 212, 0.38) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(196, 181, 253, 0.18);
    color: white;
}

/* ================================================
   记忆墙表单区
   ================================================ */
.memory-form {
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
    margin-top: 0;
    padding: 0.5rem 0 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.6rem;
    font-size: 0.78rem;
    opacity: 0.5;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.glass-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding: 0.7rem 0;
    border-radius: 0;
    color: rgba(255, 255, 255, 0.9);
    outline: none;
    font-family: inherit;
    font-size: 0.95rem;
    resize: none;
    transition: all 0.3s;
}

.glass-input:focus {
    border-bottom-color: rgba(196, 181, 253, 0.7);
}

.glass-input::placeholder {
    color: rgba(255, 255, 255, 0.2);
    font-style: italic;
}

.upload-area {
    border: 1px dashed rgba(255, 255, 255, 0.14);
    border-radius: 14px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.35s;
    min-height: 90px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.02);
    font-size: 0.88rem;
    opacity: 0.65;
    letter-spacing: 0.5px;
}

.upload-area:hover {
    background: rgba(196, 181, 253, 0.06);
    border-color: rgba(196, 181, 253, 0.3);
    opacity: 1;
}

#image-preview {
    max-width: 100%;
    max-height: 160px;
    margin-top: 0.8rem;
    border-radius: 10px;
    object-fit: contain;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

.submit-btn {
    width: 100%;
    padding: 0.9rem;
    font-size: 0.95rem;
    background: linear-gradient(135deg,
            rgba(196, 181, 253, 0.18) 0%,
            rgba(249, 168, 212, 0.16) 100%);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 18px;
    letter-spacing: 2.5px;
    transition: all 0.38s;
    color: rgba(255, 255, 255, 0.88);
    cursor: pointer;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.submit-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14), transparent);
    transform: translateX(-100%);
    transition: 0.55s;
}

.submit-btn:hover::after {
    transform: translateX(100%);
}

.submit-btn:hover {
    background: linear-gradient(135deg,
            rgba(196, 181, 253, 0.30) 0%,
            rgba(249, 168, 212, 0.28) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(196, 181, 253, 0.14);
    color: white;
}

/* ================================================
   淡出删除动画
   ================================================ */
.fade-out {
    animation: fadeOut 0.4s ease forwards;
    pointer-events: none;
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: scale(0.95) translateY(-6px);
        max-height: 0;
        padding: 0;
        margin: 0;
        overflow: hidden;
    }
}

/* ================================================
   响应式
   ================================================ */
@media (max-width: 768px) {
    body {
        align-items: flex-start;
        /* 移动端靠顶显示，靠 padding 控制位置 */
        padding-top: 10vh;
    }

    .title {
        font-size: 2.2rem;
    }

    .subtitle {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }

    .timer-container.glass-effect {
        padding: 1.8rem 1rem;
        gap: 0.4rem;
        margin-bottom: 1.2rem;
    }

    .time-value {
        font-size: 2.4rem;
        min-width: 48px;
    }

    .separator {
        font-size: 1.8rem;
        margin-top: -0.8rem;
    }

    .time-label {
        font-size: 0.75rem;
    }

    .quote-section {
        padding: 1.2rem;
        margin-bottom: 1rem;
    }

    #quote-text {
        font-size: 1rem;
    }

    .side-wheel {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        top: auto;
        width: 100%;
        transform: none;
        flex-direction: row;
        justify-content: center;
        gap: 2px;
        background: rgba(14, 12, 38, 0.85);
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
        padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
        z-index: 100;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.3);
    }

    .wheel-btn {
        width: auto;
        flex: 1;
        height: 52px;
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        background: rgba(255, 255, 255, 0.05);
        box-shadow: none;
        font-size: 0.95rem;
        letter-spacing: 0.5px;
        padding-right: 0;
    }

    .wheel-btn:hover {
        width: auto;
        transform: none;
        background: rgba(255, 255, 255, 0.12);
        padding-right: 0;
    }

    .wheel-btn:active {
        transform: scale(0.95);
        background: rgba(255, 255, 255, 0.2);
    }

    .modal-content {
        width: 100%;
        height: 100%;
        max-height: 100svh;
        border-radius: 0;
        max-width: 100%;
        border: none;
    }

    .modal-header {
        padding: 1.5rem 1rem 1rem;
    }

    .modal-header h2 {
        font-size: 1.3rem;
        letter-spacing: 2px;
    }

    .modal-body {
        padding: 1rem;
    }

    .modal-footer {
        padding: 0.8rem 1rem calc(1rem + env(safe-area-inset-bottom));
    }

    /* 移动端输入框字体提升到 16px 防止 iOS 缩放 */
    .input-row input[type="text"],
    .glass-input {
        font-size: 16px !important;
    }

    /* 时间轴单列优化 */
    .timeline::before {
        left: 20px;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        flex-direction: row;
        padding-right: 0;
        padding-left: 45px;
        text-align: left;
        margin-bottom: 1.5rem;
    }

    .timeline-dot {
        left: 20px;
        top: 1.1rem;
        width: 12px;
        height: 12px;
    }

    .timeline-card .card-img {
        height: auto;
        max-height: 360px;
    }

    .timeline-card .card-content {
        font-size: 0.9rem;
    }

    .msg-bubble {
        max-width: 90%;
        padding: 0.8rem 1rem;
    }

    .msg-bubble .bubble-text {
        font-size: 0.9rem;
    }

    .msg-bubble::after {
        display: none;
    }
}

/* 针对超小屏幕设备 (如 iPhone SE) */
@media (max-width: 360px) {
    .title {
        font-size: 1.8rem;
    }

    .time-value {
        font-size: 2rem;
        min-width: 40px;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        padding-left: 35px;
    }

    .timeline::before,
    .timeline-dot {
        left: 15px;
    }
}

/* ====================================================
   留言板 — 蓝紫极光背景
   ==================================================== */
#modal-bbs .modal-content {
    background:
        /* 中心大光球 */
        radial-gradient(ellipse 70% 50% at 50% -10%,
            rgba(99, 88, 210, 0.28) 0%,
            transparent 70%),
        /* 左下浮动光晕 */
        radial-gradient(ellipse 55% 45% at -10% 80%,
            rgba(78, 60, 210, 0.22) 0%,
            transparent 60%),
        /* 右上浮动光晕 */
        radial-gradient(ellipse 50% 40% at 110% 20%,
            rgba(140, 80, 220, 0.18) 0%,
            transparent 60%),
        /* 基底深色 */
        linear-gradient(150deg,
            rgba(14, 12, 38, 0.96) 0%,
            rgba(20, 16, 52, 0.94) 50%,
            rgba(10, 8, 28, 0.97) 100%);
}

/* 留言板两个漂浮光球（::before / ::after） */
#modal-bbs .modal-content::before {
    content: '';
    position: absolute;
    width: 340px;
    height: 340px;
    border-radius: 50%;
    background: radial-gradient(circle,
            rgba(110, 80, 230, 0.18) 0%,
            rgba(80, 60, 200, 0.08) 45%,
            transparent 70%);
    top: -100px;
    left: -80px;
    animation: orbFloatA 12s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
    filter: blur(8px);
}

#modal-bbs .modal-content::after {
    content: '';
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle,
            rgba(170, 80, 255, 0.14) 0%,
            rgba(130, 60, 220, 0.06) 50%,
            transparent 70%);
    bottom: -60px;
    right: -50px;
    animation: orbFloatB 15s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
    filter: blur(10px);
}

@keyframes orbFloatA {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(60px, -30px) scale(1.08);
    }

    66% {
        transform: translate(-30px, 50px) scale(0.94);
    }
}

@keyframes orbFloatB {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    40% {
        transform: translate(-50px, 40px) scale(1.12);
    }

    75% {
        transform: translate(40px, -25px) scale(0.92);
    }
}

/* ====================================================
   悄悄话 — 玫金星辰背景
   ==================================================== */
#modal-secret .modal-content {
    background:
        radial-gradient(ellipse 60% 45% at 50% -5%,
            rgba(210, 80, 120, 0.24) 0%,
            transparent 65%),
        radial-gradient(ellipse 50% 40% at 100% 75%,
            rgba(190, 100, 60, 0.18) 0%,
            transparent 60%),
        radial-gradient(ellipse 40% 35% at 0% 30%,
            rgba(220, 90, 140, 0.14) 0%,
            transparent 55%),
        linear-gradient(150deg,
            rgba(28, 12, 22, 0.97) 0%,
            rgba(38, 16, 28, 0.95) 50%,
            rgba(20, 10, 18, 0.98) 100%);
}

#modal-secret .modal-content::before {
    content: '';
    position: absolute;
    width: 380px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(ellipse,
            rgba(220, 80, 130, 0.16) 0%,
            rgba(180, 60, 100, 0.06) 50%,
            transparent 70%);
    top: -80px;
    right: -60px;
    animation: roseFloatA 14s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
    filter: blur(12px);
}

#modal-secret .modal-content::after {
    content: '';
    position: absolute;
    width: 220px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(ellipse,
            rgba(200, 120, 60, 0.14) 0%,
            rgba(180, 90, 50, 0.06) 50%,
            transparent 70%);
    bottom: -60px;
    left: -40px;
    animation: roseFloatB 18s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
    filter: blur(14px);
}

@keyframes roseFloatA {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    35% {
        transform: translate(-55px, 40px) scale(1.1);
    }

    70% {
        transform: translate(35px, -35px) scale(0.92);
    }
}

@keyframes roseFloatB {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    45% {
        transform: translate(50px, -40px) scale(1.14);
    }

    80% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

/* 悄悄话——星星闪烁（用 box-shadow 模拟星点） */
#modal-secret .modal-content .stars-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    border-radius: inherit;
}

#modal-secret .modal-content .stars-layer::before,
#modal-secret .modal-content .stars-layer::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: transparent;
    /* 用 box-shadow 撒满小星点 */
    box-shadow:
        /* 第一层星点（白色细点） */
        120px 60px 0 1px rgba(255, 255, 255, 0.35),
        280px 110px 0 0.5px rgba(255, 200, 180, 0.4),
        450px 40px 0 1px rgba(255, 220, 200, 0.3),
        60px 180px 0 0.5px rgba(255, 255, 255, 0.25),
        600px 150px 0 1px rgba(255, 180, 200, 0.38),
        380px 200px 0 0.5px rgba(255, 255, 255, 0.28),
        200px 280px 0 1px rgba(255, 200, 150, 0.3),
        520px 260px 0 0.5px rgba(255, 255, 255, 0.32),
        90px 320px 0 1px rgba(255, 220, 180, 0.25),
        700px 80px 0 0.5px rgba(255, 255, 255, 0.3),
        650px 300px 0 1px rgba(255, 180, 160, 0.28),
        160px 380px 0 0.5px rgba(255, 255, 255, 0.22),
        340px 360px 0 1px rgba(255, 200, 200, 0.3);
    width: 2px;
    height: 2px;
    top: 0;
    left: 0;
    animation: starTwinkle 5s ease-in-out infinite;
}

#modal-secret .modal-content .stars-layer::after {
    box-shadow:
        210px 90px 0 0.5px rgba(255, 255, 255, 0.28),
        490px 130px 0 1px rgba(255, 180, 200, 0.32),
        30px 250px 0 0.5px rgba(255, 220, 180, 0.26),
        580px 50px 0 1px rgba(255, 255, 255, 0.30),
        420px 300px 0 0.5px rgba(255, 200, 150, 0.24),
        110px 140px 0 1px rgba(255, 255, 255, 0.22),
        720px 200px 0 0.5px rgba(255, 180, 160, 0.30),
        300px 420px 0 1px rgba(255, 255, 255, 0.28);
    animation: starTwinkle 7s ease-in-out 1.5s infinite;
}

@keyframes starTwinkle {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}

/* ====================================================
   记忆墙 — 青碧梦幻光斑背景
   ==================================================== */
#modal-memory .modal-content {
    background:
        radial-gradient(ellipse 55% 45% at 50% -8%,
            rgba(40, 160, 160, 0.22) 0%,
            transparent 65%),
        radial-gradient(ellipse 45% 40% at -5% 70%,
            rgba(50, 120, 200, 0.18) 0%,
            transparent 60%),
        radial-gradient(ellipse 40% 35% at 105% 30%,
            rgba(100, 60, 200, 0.16) 0%,
            transparent 55%),
        linear-gradient(150deg,
            rgba(8, 18, 32, 0.97) 0%,
            rgba(12, 24, 42, 0.95) 50%,
            rgba(6, 14, 26, 0.98) 100%);
}

#modal-memory .modal-content::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(ellipse,
            rgba(30, 180, 190, 0.16) 0%,
            rgba(20, 140, 160, 0.06) 50%,
            transparent 70%);
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    animation: tealFloatA 13s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
    filter: blur(16px);
}

#modal-memory .modal-content::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(ellipse,
            rgba(80, 50, 220, 0.14) 0%,
            rgba(60, 40, 180, 0.06) 50%,
            transparent 70%);
    bottom: -70px;
    right: -60px;
    animation: tealFloatB 17s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
    filter: blur(12px);
}

@keyframes tealFloatA {

    0%,
    100% {
        transform: translateX(-50%) scale(1) translateY(0);
    }

    40% {
        transform: translateX(calc(-50% + 40px)) scale(1.1) translateY(-30px);
    }

    75% {
        transform: translateX(calc(-50% - 30px)) scale(0.93) translateY(20px);
    }
}

@keyframes tealFloatB {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    38% {
        transform: translate(-45px, 35px) scale(1.12);
    }

    72% {
        transform: translate(35px, -28px) scale(0.91);
    }
}

/* 记忆墙——多彩光斑（bokeh 感觉） */
#modal-memory .bokeh-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    border-radius: inherit;
}

.bokeh-dot {
    position: absolute;
    border-radius: 50%;
    animation: bokehFloat linear infinite;
    opacity: 0;
}

@keyframes bokehFloat {
    0% {
        transform: translateY(0) scale(1);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 0.6;
    }

    100% {
        transform: translateY(-120px) scale(1.4);
        opacity: 0;
    }
}

/* ================================================
   照片灯箱（Lightbox）- 优化版
   ================================================ */
.photo-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.photo-lightbox.lightbox-show {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Loading 转圈动画 */
.lightbox-loading {
    position: absolute;
    display: none;
    z-index: 1;
}

.photo-lightbox.is-loading .lightbox-loading {
    display: block;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.lightbox-img {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.8);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    z-index: 2;
    opacity: 0;
    user-select: none;
    pointer-events: none;
    /* 防止图片本身遮挡关闭操作 */
}

.photo-lightbox.lightbox-show .lightbox-img {
    transform: scale(1) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: white;
    cursor: pointer;
    z-index: 10;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s;
}

.lightbox-close:hover {
    background: rgba(255, 60, 60, 0.6);
    transform: rotate(90deg) scale(1.1);
    border-color: transparent;
}

/* 卡片图片交互 */
.card-img-wrap {
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.timeline-card:hover .card-img {
    transform: scale(1.08);
    /* 稍微增加悬停缩放感，让“可点赞”感更直观 */
}

@media (max-width: 768px) {
    .lightbox-close {
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

/* ================================================
   换装魔镜 — 第四个侧边按钮特殊色
   ================================================ */
.wheel-btn--tryon {
    background: rgba(196, 100, 255, 0.18);
    border-color: rgba(196, 100, 255, 0.35);
}

.wheel-btn--tryon:hover {
    background: rgba(196, 100, 255, 0.32);
    box-shadow: -5px 5px 30px rgba(196, 100, 255, 0.35);
}

/* ================================================
   换装魔镜 — 弹窗内部样式
   ================================================ */
.tryon-body {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    padding-bottom: 1.5rem;
}

/* 上传双列 */
.tryon-upload-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.tryon-upload-col {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tryon-label {
    font-size: 0.85rem;
    letter-spacing: 1px;
    opacity: 0.75;
    text-align: center;
}

.tryon-drop-zone {
    position: relative;
    height: 200px;
    border: 1.5px dashed rgba(196, 181, 253, 0.3);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    transition: all 0.3s;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tryon-drop-zone:hover {
    border-color: rgba(196, 181, 253, 0.65);
    background: rgba(196, 181, 253, 0.06);
}

.tryon-drop-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
}

.tryon-drop-icon {
    font-size: 2.2rem;
}

.tryon-drop-hint {
    font-size: 0.78rem;
    opacity: 0.55;
    letter-spacing: 1px;
}

.tryon-preview-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;          /* 完整显示图片，不裁剪 */
    background: rgba(0, 0, 0, 0.45); /* 黑色底防止白边 */
    border-radius: 14px;
    display: none;
    transition: transform 0.3s;
    padding: 4px;                 /* 内边距让图片不贴边 */
}

.tryon-drop-zone:hover .tryon-preview-img {
    transform: scale(1.02);
}

/* 类型选择行 */
.tryon-category-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tryon-cat-label {
    font-size: 0.82rem;
    opacity: 0.65;
    letter-spacing: 1px;
}

.tryon-radio {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.85rem;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.tryon-radio:hover {
    opacity: 1;
}

.tryon-radio input[type="radio"] {
    accent-color: #c4b5fd;
    width: 15px;
    height: 15px;
}

/* 描述词输入 */
.tryon-desc-row {
    display: flex;
    justify-content: center;
}

.tryon-desc-input {
    width: 100%;
    font-size: 0.88rem;
    letter-spacing: 0.5px;
}

/* 提交按钮 */
.tryon-submit-btn {
    width: 100%;
    padding: 0.9rem;
    font-size: 1rem;
    letter-spacing: 3px;
    background: linear-gradient(135deg,
            rgba(196, 100, 255, 0.35) 0%,
            rgba(251, 113, 200, 0.28) 100%);
    border: 1px solid rgba(196, 100, 255, 0.4);
    border-radius: 16px;
    color: white;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.35s;
}

.tryon-submit-btn:hover {
    background: linear-gradient(135deg,
            rgba(196, 100, 255, 0.55) 0%,
            rgba(251, 113, 200, 0.45) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(196, 100, 255, 0.25);
}

.tryon-submit-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

/* 进度 & 结果区 */
.tryon-status {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tryon-progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    padding: 2rem 0;
}

.tryon-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(196, 181, 253, 0.18);
    border-top-color: rgba(196, 100, 255, 0.85);
    border-radius: 50%;
    animation: tryon-spin 0.9s linear infinite;
}

@keyframes tryon-spin {
    to { transform: rotate(360deg); }
}

.tryon-progress span {
    font-size: 0.88rem;
    opacity: 0.7;
    letter-spacing: 0.5px;
    text-align: center;
}

/* 结果 */
.tryon-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: fadeIn 0.5s ease;
}

.tryon-result-label {
    font-size: 1.05rem;
    letter-spacing: 2px;
    background: linear-gradient(130deg, #fff 0%, rgba(196, 181, 253, 0.9) 50%, rgba(255, 150, 200, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tryon-result-img {
    width: 100%;
    max-height: 60vh;            /* 用视口高度比例，手机上更大 */
    min-height: 200px;
    object-fit: contain;
    border-radius: 16px;
    border: 1px solid rgba(196, 100, 255, 0.25);
    cursor: zoom-in;
    transition: transform 0.3s;
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(196, 181, 253, 0.08) inset;
    background: rgba(0, 0, 0, 0.3);  /* 防止透明图有白底 */
}

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

/* 下载 & 重试按钮行 */
.tryon-download-btn,
.tryon-retry-btn {
    padding: 0.6rem 1.8rem;
    border-radius: 24px;
    font-family: inherit;
    font-size: 0.85rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
    color: white;
}

.tryon-download-btn {
    background: linear-gradient(135deg, rgba(80, 180, 120, 0.35), rgba(60, 140, 100, 0.25));
    border: 1px solid rgba(80, 200, 130, 0.35);
}

.tryon-download-btn:hover {
    background: linear-gradient(135deg, rgba(80, 180, 120, 0.55), rgba(60, 140, 100, 0.42));
    transform: translateY(-1px);
}

.tryon-retry-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.tryon-retry-btn:hover {
    background: rgba(255, 255, 255, 0.14);
}

/* 错误状态 */
.tryon-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    padding: 1.5rem 0;
    animation: fadeIn 0.4s ease;
}

.tryon-error-icon {
    font-size: 2.5rem;
}

#tryon-error-text {
    font-size: 0.88rem;
    opacity: 0.7;
    text-align: center;
    line-height: 1.6;
}

/* 换装弹窗背景 */
#modal-tryon .modal-content {
    background:
        radial-gradient(ellipse 65% 45% at 50% -8%,
            rgba(160, 60, 255, 0.22) 0%,
            transparent 65%),
        radial-gradient(ellipse 50% 40% at -5% 70%,
            rgba(120, 40, 220, 0.18) 0%,
            transparent 60%),
        radial-gradient(ellipse 45% 38% at 105% 30%,
            rgba(255, 80, 180, 0.16) 0%,
            transparent 55%),
        linear-gradient(150deg,
            rgba(16, 8, 32, 0.97) 0%,
            rgba(24, 12, 48, 0.95) 50%,
            rgba(12, 6, 28, 0.98) 100%);
}

/* 移动端适配 — 换装页 */
@media (max-width: 650px) {
    .tryon-upload-row {
        grid-template-columns: 1fr;   /* 单列堆叠 */
    }

    .tryon-drop-zone {
        height: 180px;                /* 手机上保持足够高度 */
    }

    .tryon-result-img {
        max-height: 55vh;             /* 手机上结果图更大 */
        border-radius: 12px;
    }

    .tryon-submit-btn {
        font-size: 0.95rem;
        letter-spacing: 2px;
        padding: 1rem;
    }

    .tryon-category-row {
        gap: 0.6rem;
    }

    .tryon-radio {
        font-size: 0.9rem;
    }
}

/* ================================================
   Task 4: 前端时间轴多态渲染与 CSS 视觉强化
   ================================================ */
.card-video-wrap {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.2);
    /* 配合平滑缓动过渡 */
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* 视频本身的样式 */
.card-video {
    width: 100%;
    height: 155px; /* 与原有 .card-img 高度一致 */
    object-fit: cover;
    display: block;
    transition: transform 0.55s cubic-bezier(0.25, 1, 0.5, 1);
}

/* 鼠标悬停在卡片上时，内部的视频元素触发平滑微放大 */
.card-video-wrap:hover .card-video {
    transform: scale(1.06);
}

/* 54x54 大小的播放遮罩按钮 */
.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    pointer-events: none; /* 让点击穿透到 wrap 触发 openLightbox */
    
    /* 半透明粉/白渐变拉丝磨砂质感 */
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px) saturate(180%);
    -webkit-backdrop-filter: blur(8px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.25);
    
    /* 优雅的立方贝塞尔曲线弹性微缩放反馈 */
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* 悬停时的粉色发光呼吸效果 */
.card-video-wrap:hover .video-play-btn {
    background: rgba(255, 255, 255, 0.35);
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 10px 40px 0 rgba(255, 105, 180, 0.45); /* 樱花粉色发光晕 */
    border-color: rgba(255, 255, 255, 0.6);
}

/* 图标微调，使其在视觉上达到纯粹的正中心 */
.play-icon {
    font-size: 1.3rem;
    color: #fff;
    margin-left: 3px; /* 向右偏移，微调居中 */
    display: inline-block;
    line-height: 1;
}

/* 移动端下高度微调，与原有 img 保持一致 */
@media (max-width: 768px) {
    .card-video {
        height: 140px;
    }
}

/* ================================================
   备案号样式 - 极致融入纪念氛围的唯美设计
   ================================================ */
.site-footer {
    position: absolute;
    bottom: 1.5rem; /* 距离视口/页面最底部留出优雅的间距 */
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.78rem;
    letter-spacing: 1px;
    font-family: 'Noto Serif SC', serif;
    opacity: 0.45; /* 降低非聚焦时的对比度，完全不破坏唯美的页面氛围 */
    transition: opacity 0.4s ease;
    z-index: 10; /* 确保不被内容遮挡 */
}

.site-footer:hover {
    opacity: 0.85; /* 鼠标划过时显现清晰文字，方便需要查看的人 */
}

.site-footer a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.site-footer a:hover {
    color: #fda4af; /* 优雅的粉色悬浮效果，契合恋爱纪念的主题 */
    text-shadow: 0 0 8px rgba(253, 164, 175, 0.6);
}

.beian-sep {
    color: rgba(255, 255, 255, 0.2);
    user-select: none;
}

.gongan-badge {
    width: 14px;
    height: 14px;
    margin-right: 6px;
    display: inline-block;
    vertical-align: middle;
}