/* 安全指南页面特定样式 */
.safety-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 4rem;
    padding: 3rem 0;
}

.safety-content {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.97) 0%, rgba(250, 252, 255, 0.97) 100%);
    border-radius: 22px;
    padding: 2.8rem;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.7);
    height: fit-content;
    position: sticky;
    top: 140px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
}

.safety-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(26, 188, 156, 0.03) 0%, transparent 30%),
        radial-gradient(circle at 80% 20%, rgba(52, 152, 219, 0.03) 0%, transparent 30%);
    pointer-events: none;
}

.safety-content h1 {
    font-size: 3.8rem;
    margin-bottom: 2.5rem;
    color: var(--primary);
    font-family: 'Playfair Display', serif;
    text-align: center;
    position: relative;
    padding-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.safety-content h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 180px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    border-radius: 2px;
}

.safety-content h2 {
    font-size: 2.4rem;
    margin: 4rem 0 2rem;
    color: var(--primary-dark);
    position: relative;
    padding-left: 1.8rem;
    font-family: 'Playfair Display', serif;
    border-bottom: 2px solid rgba(22, 160, 133, 0.2);
    padding-bottom: 0.8rem;
}

.safety-content h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(22, 160, 133, 0.2);
}

.method-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 3.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-light), var(--accent-secondary));
}

.method-card:hover {
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    transform: translateY(-8px);
}

/* 新样式 - 简洁步骤列表 */
.step-list {
    list-style: none;
    counter-reset: step-counter;
    position: relative;
}

.step-item {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    position: relative;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    border-left: 4px solid var(--accent);
}

.step-item:last-child {
    margin-bottom: 0;
}

.step-item:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.step-item::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    width: 32px;
    height: 32px;
    background: var(--accent);
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(22, 160, 133, 0.3);
    z-index: 2;
}

.step-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 3rem;
}

.step-detail {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.1rem;
    padding-left: 3rem;
    transition: var(--transition);
}

.step-detail ul {
    list-style: none;
    margin: 0.8rem 0;
}

.step-detail li {
    margin-bottom: 0.5rem;
    padding-left: 1.2rem;
    position: relative;
}

.step-detail li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 1.3rem;
}

.safety-nav {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    height: fit-content;
    position: sticky;
    top: 130px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.safety-nav h3 {
    font-size: 1.6rem;
    margin-bottom: 2rem;
    color: var(--primary);
    padding-bottom: 1.2rem;
    border-bottom: 2px solid var(--accent-light);
    font-family: 'Playfair Display', serif;
    text-align: center;
    position: relative;
}

.safety-nav h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.safety-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.safety-nav li {
    margin-bottom: 0;
    position: relative;
}

.safety-nav a {
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(22, 160, 133, 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    transform: translateZ(0);
    z-index: 1;
}

.safety-nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.safety-nav a::after {
    content: '→';
    color: var(--accent);
    margin-left: auto;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    font-weight: 600;
    transform: translateX(0);
}

.safety-nav a:hover {
    color: white;
    border-color: var(--accent-light);
    transform: translateX(6px) scale(1.02);
    box-shadow: 0 8px 24px rgba(22, 160, 133, 0.2);
}

.safety-nav a:hover::before {
    opacity: 1;
}

.safety-nav a:hover::after {
    transform: translateX(5px);
    color: white;
}

.safety-nav a.active {
    background: rgba(22, 160, 133, 0.12);
    color: var(--accent);
    border-color: var(--accent-light);
    box-shadow: 0 5px 15px rgba(22, 160, 133, 0.15);
}

/* 移动设备优化 - 减少空白，增加内容宽度 */
@media (max-width: 1100px) {
    .safety-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 2rem 1rem;
    }

    .safety-nav {
        position: static;
        order: -1;
        margin-bottom: 2rem;
    }

    .safety-content h1 {
        font-size: 3.2rem;
    }

    .safety-nav ul {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .safety-nav a {
        min-width: 180px;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .safety-content {
        padding: 1.5rem;
        border-radius: 16px;
        margin: 0;
    }

    .safety-content h1 {
        font-size: 2.5rem;
        margin-bottom: 2rem;
    }

    .safety-content h2 {
        font-size: 2rem;
        margin: 3rem 0 1.5rem;
        padding-left: 1.2rem;
    }

    .method-card {
        padding: 1.5rem;
        margin-bottom: 2.5rem;
        border-radius: 16px;
    }

    /* 移动端步骤列表优化 */
    .step-item {
        margin-bottom: 1.8rem;
        padding: 1rem;
        display: flex;
        flex-direction: column;
        border-left: 4px solid var(--accent);
    }

    .step-item::before {
        position: relative;
        top: auto;
        left: auto;
        margin-bottom: 0.8rem;
        align-self: flex-start;
    }

    .step-title {
        font-size: 1.2rem;
        padding-left: 0;
        margin-bottom: 0.8rem;
        order: 1;
    }

    .step-detail {
        font-size: 1rem;
        padding-left: 0;
        line-height: 1.6;
        order: 2;
    }

    .step-detail ul {
        margin: 0.5rem 0;
    }

    .step-detail li {
        margin-bottom: 0.3rem;
        padding-left: 1rem;
    }

    .safety-nav {
        padding: 1.5rem;
        margin: 0 0 2rem;
    }

    .safety-nav a {
        padding: 1rem 1.2rem;
        min-width: 160px;
    }

    /* 移动端警告框优化 */
    .warning-box {
        padding: 1.2rem;
        margin: 1.5rem 0;
        border-radius: 12px;
    }

    .warning-box h3 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .warning-box ul {
        margin: 0.8rem 0;
    }

    .warning-box li {
        margin-bottom: 0.5rem;
        padding-left: 1rem;
        font-size: 0.95rem;
        line-height: 1.5;
    }

    /* 移动端问答区域优化 */
    .qa-section {
        padding: 1.5rem;
        margin: 1.5rem 0;
        border-radius: 16px;
    }

    .qa-item {
        margin: 1.2rem 0;
        padding-bottom: 1.2rem;
    }

    .qa-item h4 {
        font-size: 1.2rem;
        gap: 0.5rem;
    }

    .qa-item p {
        padding-left: 0;
        font-size: 0.95rem;
        line-height: 1.6;
    }

    /* 移动端优缺点区域优化 */
    .pros-cons {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.2rem;
        margin: 1rem 0;
        border-radius: 12px;
    }

    .pros-cons strong {
        font-size: 1.1rem;
    }

    .pros-cons ul {
        margin-top: 0.8rem;
    }

    .pros-cons li {
        margin-bottom: 0.5rem;
        padding-left: 1rem;
        font-size: 0.95rem;
        line-height: 1.5;
    }
}

@media (max-width: 480px) {
    .safety-container {
        padding: 1rem 0.5rem;
    }

    .safety-content {
        padding: 1.2rem;
        margin: 0;
    }

    .safety-content h1 {
        font-size: 2.2rem;
        padding-bottom: 1rem;
    }

    .safety-content h1::after {
        width: 120px;
    }

    .safety-content h2 {
        font-size: 1.6rem;
        padding-left: 1rem;
        margin: 2.5rem 0 1.2rem;
    }

    .safety-content h2::before {
        width: 8px;
        height: 8px;
    }

    .method-card {
        padding: 1.2rem;
        margin-bottom: 2rem;
        border-radius: 12px;
    }

    .step-item {
        margin-bottom: 1.5rem;
        padding: 0.8rem;
    }

    .step-item::before {
        width: 24px;
        height: 24px;
        font-size: 0.9rem;
        margin-bottom: 0.6rem;
    }

    .step-title {
        font-size: 1.1rem;
        padding-left: 0;
        margin-bottom: 0.6rem;
    }

    .step-detail {
        font-size: 0.95rem;
        padding-left: 0;
        line-height: 1.5;
    }

    .safety-nav {
        padding: 1.2rem;
        margin: 0 0 1.5rem;
    }

    .safety-nav ul {
        flex-direction: column;
    }

    .safety-nav a {
        min-width: auto;
        justify-content: flex-start;
        padding: 0.8rem 1rem;
    }

    /* 移动端投稿页面优化 */
    .contribute-content {
        padding: 1.2rem;
        margin: 0;
    }

    .contribute-content h1 {
        font-size: 2.2rem;
    }

    .contribute-content h2 {
        font-size: 1.6rem;
        padding-left: 1rem;
    }

    .initiative-card,
    .contribute-method-card,
    .form-section {
        padding: 1.2rem;
        margin: 1.2rem 0;
        border-radius: 12px;
    }

    .contribute-step-item {
        margin-bottom: 1.2rem;
        padding: 0.8rem;
    }

    .contribute-step-item::before {
        width: 24px;
        height: 24px;
        font-size: 0.9rem;
        margin-bottom: 0.6rem;
    }

    .contribute-step-title {
        font-size: 1.1rem;
        padding-left: 0;
        margin-bottom: 0.6rem;
    }

    .contribute-step-detail {
        font-size: 0.95rem;
        padding-left: 0;
        line-height: 1.5;
    }
}

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

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

.safety-content,
.safety-nav {
    animation: fadeInUp 0.8s ease-out;
}

.method-card {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.method-card:nth-child(2) {
    animation-delay: 0.4s;
}

.crystal-decoration {
    position: absolute;
    color: var(--accent);
    opacity: 0.1;
    font-size: 8rem;
    z-index: 0;
    pointer-events: none;
}

.crystal-decoration.top-left {
    top: 20px;
    left: 20px;
    animation: float 12s infinite ease-in-out;
}

.crystal-decoration.bottom-right {
    bottom: 20px;
    right: 20px;
    transform: rotate(180deg);
    animation: float 15s infinite ease-in-out reverse;
}

/* 投稿与建议页面特定样式 */
.contribute-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 4.5rem;
    padding: 4rem 0;
    position: relative;
}

.contribute-content {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(250, 252, 255, 0.95) 100%);
    border-radius: 28px;
    padding: 4.5rem;
    box-shadow:
        0 25px 50px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
    position: relative;
    line-height: 1.8;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.contribute-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 15% 85%, rgba(26, 188, 156, 0.05) 0%, transparent 25%),
        radial-gradient(circle at 85% 15%, rgba(52, 152, 219, 0.05) 0%, transparent 25%);
    pointer-events: none;
}

.contribute-content h1 {
    font-size: 4rem;
    margin-bottom: 2.5rem;
    color: var(--primary);
    font-family: 'Playfair Display', serif;
    text-align: center;
    position: relative;
    padding-bottom: 1.8rem;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    letter-spacing: -0.5px;
}

.contribute-content h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    border-radius: 3px;
    box-shadow: 0 2px 8px rgba(22, 160, 133, 0.3);
}

.contribute-content h1 span {
    display: block;
    font-size: 0.5em;
    margin-top: 0.8rem;
    font-weight: 300;
    letter-spacing: 1px;
}

.contribute-content h2 {
    font-size: 2.6rem;
    margin: 4.5rem 0 2.2rem;
    color: var(--primary-dark);
    position: relative;
    padding-left: 2.2rem;
    font-family: 'Playfair Display', serif;
    border-bottom: 2px solid rgba(22, 160, 133, 0.15);
    padding-bottom: 1rem;
    display: inline-block;
    width: 100%;
}

.contribute-content h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 0 6px rgba(22, 160, 133, 0.2);
    transition: var(--transition);
}

.contribute-content h2:hover::before {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 0 8px rgba(22, 160, 133, 0.3);
}

.initiative-card {
    background: linear-gradient(145deg, rgba(232, 244, 255, 0.9) 0%, rgba(214, 235, 255, 0.9) 100%);
    border-radius: 20px;
    padding: 3rem;
    margin: 3rem 0;
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow:
        0 15px 35px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-left: 6px solid var(--accent-secondary);
}

.initiative-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.initiative-card ul {
    list-style: none;
    margin: 1.5rem 0;
}

.initiative-card li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.7;
}

.initiative-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 1.5rem;
}

.invitation-list {
    list-style: none;
    padding-left: 0;
}

.invitation-list li {
    padding-left: 1.8rem;
    position: relative;
    margin-bottom: 0.8rem;
}

.invitation-list li::before {
    content: '👉';
    position: absolute;
    left: 0;
    font-size: 1.1rem;
}

.contribute-method-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
    border-radius: 22px;
    padding: 3.5rem;
    margin-bottom: 4rem;
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow:
        0 15px 35px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.contribute-method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-light), var(--accent-secondary));
    border-radius: 3px 0 0 3px;
}

.contribute-method-card:hover {
    box-shadow:
        0 25px 60px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transform: translateY(-5px);
}

/* 新样式 - 简洁步骤列表（投稿页面） */
.contribute-step-list {
    list-style: none;
    counter-reset: step-counter;
    position: relative;
}

.contribute-step-item {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    position: relative;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    border-left: 4px solid var(--accent-secondary);
}

.contribute-step-item:last-child {
    margin-bottom: 0;
}

.contribute-step-item:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.contribute-step-item::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    width: 32px;
    height: 32px;
    background: var(--accent-secondary);
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
    z-index: 2;
}

.contribute-step-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 3rem;
}

.contribute-step-detail {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.1rem;
    padding-left: 3rem;
    transition: var(--transition);
}

.contribute-step-detail ul {
    list-style: none;
    margin: 0.8rem 0;
}

.contribute-step-detail li {
    margin-bottom: 0.5rem;
    padding-left: 1.2rem;
    position: relative;
}

.contribute-step-detail li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
    font-size: 1.3rem;
}

.warning-box {
    background: linear-gradient(145deg, rgba(255, 235, 238, 0.9) 0%, rgba(255, 229, 233, 0.9) 100%);
    border-radius: 16px;
    padding: 2.5rem;
    margin: 2.5rem 0;
    border-left: 6px solid #F44336;
    position: relative;
    overflow: hidden;
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.warning-box::before {
    content: '⚠️';
    position: absolute;
    top: -15px;
    left: -15px;
    font-size: 4rem;
    opacity: 0.2;
    transform: rotate(-15deg);
}

.warning-box h3 {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: #D32F2F;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.warning-box ul {
    list-style: none;
    margin: 1.2rem 0;
}

.warning-box li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.7;
}

.warning-box li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #F44336;
    font-size: 1.5rem;
}

.form-section {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
    border-radius: 20px;
    padding: 3rem;
    margin: 3rem 0;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow:
        0 15px 35px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-light), var(--accent-secondary));
    border-radius: 3px 0 0 3px;
}

.form-group {
    margin-bottom: 2rem;
    position: relative;
}

.form-group select {
    width: 100%;
    padding: 1.2rem 1.5rem;
    border: 1px solid rgba(22, 160, 133, 0.2);
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316a085' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(22, 160, 133, 0.2), 0 8px 25px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.form-group input[type="file"] {
    padding: 1rem;
    border: 2px dashed rgba(22, 160, 133, 0.3);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.5);
    width: 100%;
    transition: var(--transition);
}

.form-group input[type="file"]:hover {
    border-color: var(--accent);
    background: rgba(22, 160, 133, 0.05);
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem 1.5rem;
    border: 1px solid rgba(22, 160, 133, 0.2);
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(22, 160, 133, 0.2), 0 8px 25px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.form-note {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-top: 0.5rem;
    line-height: 1.6;
}

.submit-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    color: white;
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(22, 160, 133, 0.3);
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: 0.5s;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(22, 160, 133, 0.4);
}

.contribute-nav {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.97) 0%, rgba(250, 252, 255, 0.97) 100%);
    border-radius: 22px;
    padding: 2.8rem;
    box-shadow:
        0 20px 45px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
    height: fit-content;
    position: sticky;
    top: 140px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
}

.contribute-nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    opacity: 0.8;
}

.contribute-nav h3 {
    font-size: 1.7rem;
    margin-bottom: 2.2rem;
    color: var(--primary);
    padding-bottom: 1.4rem;
    border-bottom: 2px solid var(--accent-light);
    font-family: 'Playfair Display', serif;
    text-align: center;
    position: relative;
}

.contribute-nav h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

.contribute-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.contribute-nav li {
    margin-bottom: 0;
    position: relative;
}

.contribute-nav a {
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    padding: 1.4rem 1.8rem;
    border-radius: 14px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(22, 160, 133, 0.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
    transform: translateZ(0);
    z-index: 1;
}

.contribute-nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.contribute-nav a::after {
    content: '→';
    color: var(--accent);
    margin-left: auto;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    font-weight: 600;
    transform: translateX(0);
}

.contribute-nav a:hover {
    color: white;
    border-color: var(--accent-light);
    transform: translateX(8px) scale(1.03);
    box-shadow: 0 10px 25px rgba(22, 160, 133, 0.2);
}

.contribute-nav a:hover::before {
    opacity: 1;
}

.contribute-nav a:hover::after {
    transform: translateX(6px);
    color: white;
}

.contribute-nav a.active {
    background: rgba(22, 160, 133, 0.15);
    color: var(--accent);
    border-color: var(--accent-light);
    box-shadow: 0 7px 20px rgba(22, 160, 133, 0.15);
}

/* 投稿页面移动优化 - 减少空白，增加内容宽度 */
@media (max-width: 1100px) {
    .contribute-container {
        grid-template-columns: 1fr;
        gap: 3.5rem;
        padding: 3rem 1rem;
    }

    .contribute-nav {
        position: static;
        order: -1;
        margin-bottom: 2.5rem;
    }

    .contribute-content h1 {
        font-size: 3.4rem;
    }

    .contribute-nav ul {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .contribute-nav a {
        min-width: 200px;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .contribute-content {
        padding: 2rem;
        border-radius: 20px;
        margin: 0;
    }

    .contribute-content h1 {
        font-size: 2.9rem;
    }

    .contribute-content h2 {
        font-size: 2.2rem;
    }

    .contribute-method-card,
    .form-section,
    .initiative-card {
        padding: 2rem;
        margin: 2rem 0;
    }

    .contribute-step-item {
        margin-bottom: 1.8rem;
        padding: 1.2rem;
        display: flex;
        flex-direction: column;
    }

    .contribute-step-item::before {
        position: relative;
        top: auto;
        left: auto;
        margin-bottom: 0.8rem;
        align-self: flex-start;
    }

    .contribute-step-title {
        font-size: 1.2rem;
        padding-left: 0;
        margin-bottom: 0.8rem;
        order: 1;
    }

    .contribute-step-detail {
        font-size: 1rem;
        padding-left: 0;
        line-height: 1.6;
        order: 2;
    }

    .contribute-step-detail ul {
        margin: 0.5rem 0;
    }

    .contribute-step-detail li {
        margin-bottom: 0.3rem;
        padding-left: 1rem;
    }

    .contribute-nav {
        padding: 1.8rem;
        margin: 0 0 2rem;
    }

    .contribute-nav a {
        padding: 1.2rem 1.5rem;
        min-width: 180px;
    }

    .warning-box,
    .form-section {
        padding: 1.8rem;
        margin: 1.8rem 0;
    }
}

@media (max-width: 480px) {
    .contribute-container {
        padding: 1.5rem 0.5rem;
    }

    .contribute-content {
        padding: 1.5rem;
        margin: 0;
    }

    .contribute-content h1 {
        font-size: 2.5rem;
    }

    .contribute-content h2 {
        font-size: 2rem;
        padding-left: 1.2rem;
    }

    .contribute-content h2::before {
        width: 12px;
        height: 12px;
    }

    .contribute-method-card,
    .form-section,
    .initiative-card {
        padding: 1.5rem;
        margin: 1.5rem 0;
    }

    .contribute-step-item {
        margin-bottom: 1.5rem;
        padding: 1rem;
    }

    .contribute-step-item::before {
        width: 24px;
        height: 24px;
        font-size: 0.9rem;
        margin-bottom: 0.6rem;
    }

    .contribute-step-title {
        font-size: 1.1rem;
        padding-left: 0;
        margin-bottom: 0.6rem;
    }

    .contribute-step-detail {
        font-size: 0.95rem;
        padding-left: 0;
        line-height: 1.5;
    }

    .contribute-nav {
        padding: 1.5rem;
        margin: 0 0 1.5rem;
    }

    .contribute-nav ul {
        flex-direction: column;
    }

    .contribute-nav a {
        min-width: auto;
        justify-content: flex-start;
        padding: 1rem 1.2rem;
    }

    .warning-box,
    .form-section {
        padding: 1.5rem;
        margin: 1.5rem 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }

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

.contribute-content,
.contribute-nav {
    animation: fadeInUp 0.8s ease-out;
}

.contribute-method-card,
.form-section,
.initiative-card {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.contribute-method-card:nth-child(2),
.form-section:nth-child(2) {
    animation-delay: 0.4s;
}

.crystal-decoration {
    position: absolute;
    color: var(--accent);
    opacity: 0.08;
    font-size: 10rem;
    z-index: 0;
    pointer-events: none;
    filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.1));
}

.crystal-decoration.top-left {
    top: 30px;
    left: 30px;
    animation: float 15s infinite ease-in-out;
}

.crystal-decoration.bottom-right {
    bottom: 30px;
    right: 30px;
    transform: rotate(180deg);
    animation: float 18s infinite ease-in-out reverse;
}

/* 作品集页面特定样式 */
.content-image {
    width: 80%;
    margin: 1.5em auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    display: block;
}

@media (max-width: 768px) {
    .content-image {
        width: 95%;
    }
}

/* 结晶方式页面特定样式 */
.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 1.5rem 0;
    padding: 2rem;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
    border-radius: 16px;
    border: 1px solid rgba(22, 160, 133, 0.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.04);
}

.pros {
    color: #4CAF50;
}

.cons {
    color: #F44336;
}

.pros-cons strong {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: block;
    border-bottom: 2px solid;
    padding-bottom: 0.5rem;
}

.pros-cons ul {
    list-style: none;
    margin-top: 1rem;
}

.pros-cons li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.7;
}

.pros-cons li::before {
    content: '•';
    position: absolute;
    left: 0;
    font-size: 1.5rem;
}

.qa-section {
    background: linear-gradient(145deg, rgba(232, 244, 253, 0.9) 0%, rgba(214, 235, 255, 0.9) 100%);
    border-radius: 20px;
    padding: 3rem;
    margin: 2.5rem 0;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-left: 6px solid var(--accent-secondary);
}

.qa-item {
    margin: 2rem 0;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(22, 160, 133, 0.1);
}

.qa-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.qa-item h4 {
    color: var(--primary);
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.4rem;
}

.qa-item p {
    padding-left: 2rem;
    position: relative;
    line-height: 1.8;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* 结晶方式页面移动优化 - 减少空白，增加内容宽度 */
@media (max-width: 768px) {
    .pros-cons {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.5rem;
        margin: 1rem 0;
    }

    .qa-section {
        padding: 2rem;
        margin: 1.5rem 0;
    }

    .qa-item {
        margin: 1.2rem 0;
        padding-bottom: 1.2rem;
    }

    .qa-item h4 {
        font-size: 1.1rem;
        gap: 0.5rem;
    }

    .qa-item p {
        padding-left: 0;
        font-size: 0.95rem;
        line-height: 1.6;
    }
}

@media (max-width: 480px) {
    .pros-cons {
        padding: 1.2rem;
    }

    .qa-section {
        padding: 1.5rem;
    }

    .qa-item h4 {
        font-size: 1.2rem;
    }

    .qa-item p {
        padding-left: 0;
    }
}

/* 晶体分类页面特定样式 - 第二首页设计 */
.secondary-hero {
    background: linear-gradient(rgba(44, 62, 80, 0.85), rgba(26, 37, 47, 0.85)), url('p/index_head_01.jpg');
    height: 70vh;
    clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
}

.author-tag {
    position: absolute;
    left: 10px;
    bottom: 10px;
    color: white;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.9rem;
    z-index: 2;
    font-weight: 500;
}

.card-img {
    position: relative;
    height: 260px;
    overflow: hidden;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.card:hover .card-img img {
    transform: scale(1.1);
}

/* 分类页面特色布局 */
.classification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin: 3rem 0;
}

.classification-category {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.classification-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-light), var(--accent-secondary));
}

.classification-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.12);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(22, 160, 133, 0.1);
}

.category-header i {
    font-size: 2rem;
    color: var(--accent);
    background: rgba(22, 160, 133, 0.1);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-header h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin: 0;
    font-family: 'Playfair Display', serif;
}

.category-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.category-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.category-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.2rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    transition: var(--transition);
    border-left: 3px solid var(--accent);
}

.category-card:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateX(5px);
}

.category-card-img {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
}

.category-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.category-card-content {
    flex: 1;
}

.category-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.category-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

/* 晶体分类页面移动优化 */
@media (max-width: 1100px) {
    .classification-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .category-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .category-header i {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .category-header h3 {
        font-size: 1.6rem;
    }
}

@media (max-width: 768px) {
    .secondary-hero {
        height: 60vh;
        clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
    }

    .classification-category {
        padding: 1.8rem;
    }

    .category-card {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .category-card-img {
        width: 100px;
        height: 100px;
    }

    .author-tag {
        font-size: 0.8rem;
        padding: 3px 8px;
    }
}

@media (max-width: 480px) {
    .secondary-hero {
        height: 50vh;
    }

    .classification-category {
        padding: 1.2rem;
        margin: 0 0.5rem;
    }

    .category-header h3 {
        font-size: 1.4rem;
    }

    .category-description {
        font-size: 1rem;
    }

    .category-card {
        padding: 1rem;
    }

    .category-card h4 {
        font-size: 1.1rem;
    }

    .category-card p {
        font-size: 0.9rem;
    }

    .author-tag {
        font-size: 0.75rem;
        padding: 2px 6px;
    }
}

/* 图书馆页面特定样式 */
.library-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 0;
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.library-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
}

.library-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-light), var(--accent-secondary));
}

.library-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.12);
}

.doc-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-light), var(--accent-secondary));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.2rem;
    box-shadow: 0 8px 20px rgba(22, 160, 133, 0.3);
}

.doc-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.doc-content h3 {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: var(--primary-dark);
    font-weight: 600;
    line-height: 1.3;
}

.doc-meta {
    margin: 1rem 0;
    flex-grow: 1;
}

.doc-meta p {
    margin-bottom: 0.6rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1rem;
}

.doc-meta i {
    color: var(--accent);
    width: 16px;
}

.doc-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.card-btn.outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.card-btn.outline:hover {
    background: var(--accent);
    color: white;
}

/* 图书馆页面移动优化 */
@media (max-width: 1100px) {
    .library-grid {
        grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .library-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
    }

    .library-card {
        padding: 2rem;
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .doc-icon {
        align-self: center;
    }

    .doc-meta p {
        justify-content: center;
    }

    .doc-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .library-container {
        padding: 2rem 0;
    }

    .library-card {
        padding: 1.5rem;
        margin: 0 0.5rem;
    }

    .doc-content h3 {
        font-size: 1.4rem;
    }

    .doc-meta p {
        font-size: 0.95rem;
    }
}

/* 鸣谢页面特定样式 */
.acknowledgements-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 0;
}

.acknowledgements-content {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.97) 0%, rgba(250, 252, 255, 0.97) 100%);
    border-radius: 28px;
    padding: 4.5rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.7);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.acknowledgements-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 15% 85%, rgba(26, 188, 156, 0.05) 0%, transparent 25%),
        radial-gradient(circle at 85% 15%, rgba(52, 152, 219, 0.05) 0%, transparent 25%);
    pointer-events: none;
}

.acknowledgements-content h1 {
    font-size: 4rem;
    margin-bottom: 2.5rem;
    color: var(--primary);
    font-family: 'Playfair Display', serif;
    text-align: center;
    position: relative;
    padding-bottom: 1.8rem;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    letter-spacing: -0.5px;
}

.acknowledgements-content h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    border-radius: 3px;
    box-shadow: 0 2px 8px rgba(22, 160, 133, 0.3);
}

.acknowledgements-intro {
    text-align: center;
    font-size: 1.3rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.special-thanks-section {
    text-align: center;
    margin: 5rem 0 4rem;
    padding: 3rem;
    background: linear-gradient(15deg, rgba(42, 92, 132, 0.05) 0%, rgba(93, 168, 179, 0.05) 100%);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.special-thanks-header h2 {
    font-size: 2.8rem;
    color: var(--primary);
    font-family: 'Playfair Display', serif;
    margin: 0 0 1.5rem 0;
}

.special-thanks-desc {
    font-size: 1.2rem;
    color: var(--text-light);
    margin: 0;
}

.contributor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
    margin: 4rem 0;
}

/* 使用09.html中的鸣谢卡片设计 */
.honor-card {
    background: #f9fbfd;
    padding: 2rem;
    border-radius: 16px;
    margin: 2em 0;
    border: 1px solid rgba(93, 168, 179, 0.2);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.honor-card::before {
    content: "🎉";
    position: absolute;
    right: -20px;
    top: -20px;
    font-size: 6rem;
    opacity: 0.1;
    transform: rotate(15deg);
}

.honor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

/* 修复徽章样式 - 使用新的类名避免冲突 */
.honor-badge {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(45deg, #2A5C84, #5DA8B3);
    color: white !important;
    border-radius: 20px;
    font-size: 0.85em;
    margin-bottom: 1.2rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(42, 92, 132, 0.3);
}

.honor-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
    color: var(--primary-dark);
    font-weight: 600;
}

.honor-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.extended-thanks-section {
    background: linear-gradient(145deg, rgba(232, 244, 253, 0.9) 0%, rgba(214, 235, 255, 0.9) 100%);
    border-radius: 20px;
    padding: 4rem;
    margin: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-left: 6px solid var(--accent-secondary);
}

.extended-thanks-section h2 {
    font-size: 2.4rem;
    margin-bottom: 2rem;
    color: var(--primary);
    font-family: 'Playfair Display', serif;
}

.extended-names {
    font-size: 1.3rem;
    color: var(--primary-dark);
    margin-bottom: 2rem;
    font-weight: 500;
}

.thanks-message {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

.team-section {
    margin: 6rem 0 4rem;
}

.hero-title {
    text-align: center;
    margin-bottom: 4rem;
}

.hero-title h1 {
    font-size: 3.5rem;
    display: inline-block;
    padding-bottom: 1rem;
}

.hero-title h1::after {
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    left: 50%;
    transform: translateX(-50%);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    padding: 20px;
}

/* 使用09.html中的团队卡片设计 */
.member-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(249, 251, 253, 0.95));
    padding: 2.5rem;
    border-radius: 24px;
    box-shadow: 0 16px 40px rgba(42, 92, 132, 0.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.member-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, var(--secondary), transparent 30%);
    animation: rotate 6s linear infinite;
    opacity: 0.1;
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

.member-content {
    position: relative;
    z-index: 1;
}

.member-name {
    text-align: center;
    color: var(--primary);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.member-role {
    text-align: center;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.member-desc {
    color: #555;
    text-align: justify;
    line-height: 1.8;
}

.member-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 24px 48px rgba(42, 92, 132, 0.12);
}

.final-thanks {
    text-align: center;
    padding: 5rem 2rem;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
    border-radius: 20px;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
    border: 2px dashed var(--accent-light);
}

.final-thanks h2 {
    font-size: 2.8rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-family: 'Playfair Display', serif;
    position: relative;
    z-index: 1;
}

.final-thanks p {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.final-thanks .card-btn {
    position: relative;
    z-index: 1;
    min-width: 200px;
}

/* 响应式设计 */
@media (max-width: 1100px) {
    .contributor-grid {
        grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
        gap: 2rem;
    }

    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .acknowledgements-content {
        padding: 2.5rem;
        border-radius: 20px;
        margin: 0;
    }

    .acknowledgements-content h1 {
        font-size: 3rem;
    }

    .special-thanks-header h2 {
        font-size: 2.2rem;
    }

    .contributor-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
    }

    .honor-card {
        padding: 1.5rem;
    }

    .extended-thanks-section {
        padding: 2.5rem;
    }

    .team-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .member-card {
        padding: 2rem;
    }

    .hero-title h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .acknowledgements-container {
        padding: 2rem 0;
    }

    .acknowledgements-content {
        padding: 1.8rem;
        margin: 0;
    }

    .acknowledgements-content h1 {
        font-size: 2.5rem;
    }

    .acknowledgements-intro {
        font-size: 1.1rem;
    }

    .special-thanks-section {
        padding: 2rem 1.5rem;
    }

    .special-thanks-header h2 {
        font-size: 1.8rem;
    }

    .honor-card {
        padding: 1.2rem;
        margin: 0 0.5rem;
    }

    .honor-card h3 {
        font-size: 1.4rem;
    }

    .extended-thanks-section {
        padding: 2rem 1.5rem;
    }

    .extended-thanks-section h2 {
        font-size: 2rem;
    }

    .extended-names {
        font-size: 1.1rem;
    }

    .member-card {
        padding: 1.5rem;
        margin: 0 0.5rem;
    }

    .member-name {
        font-size: 1.6rem;
    }

    .final-thanks {
        padding: 3rem 1.5rem;
    }

    .final-thanks h2 {
        font-size: 2.2rem;
    }

    .hero-title h1 {
        font-size: 2.2rem;
    }
}







/* 硫酸铜页面特定样式 */
.chemical-formula {
    font-family: 'Courier New', monospace;
    color: var(--primary);
    margin: 1em 0;
    padding: 1em;
    background: rgba(93,168,179,0.1);
    border-radius: 8px;
    display: inline-block;
}

sub {
    color: #5DA8B3;
    font-size: 0.8em;
}

.step-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2em;
    margin: 2em 0;
}

.step-image img {
    width: 100%;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.step-image:hover img {
    transform: scale(1.03);
}

figcaption {
    text-align: center;
    color: var(--secondary);
    margin-top: 0.8em;
    font-size: 0.9em;
}

.comparison {
    display: flex;
    justify-content: space-around;
    margin: 2em 0;
}

.comparison-item {
    width: 45%;
    text-align: center;
}

.comparison-item img {
    width: 100%;
    border-radius: 8px;
    border: 2px solid var(--accent);
}

.safety-images {
    display: flex;
    gap: 1.5em;
    margin-top: 1em;
}

.safety-img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--primary);
    padding: 4px;
}

@media (max-width: 768px) {
    .step-gallery {
        grid-template-columns: 1fr;
    }
    .comparison {
        flex-direction: column;
        gap: 2em;
    }
    .comparison-item {
        width: 100%;
    }
}