/* ========================================
   响应式样式
   桌面优先 · 平板适配 · 移动端优化
   ======================================== */

@media (min-width: 1440px) {
    .container {
        max-width: 1320px;
    }
}

@media (max-width: 1280px) {
    :root {
        --space-section: 110px;
    }

    .container {
        padding: 0 40px;
    }

    .hero {
        gap: 60px;
    }

    .avatar-frame {
        width: 320px;
        height: 320px;
    }

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

@media (max-width: 1024px) {
    :root {
        --space-section: 90px;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }

    .hero-text {
        order: 2;
    }

    .hero-avatar {
        order: 1;
        justify-content: center;
    }

    .avatar-frame {
        width: 280px;
        height: 280px;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-intro {
        margin-left: auto;
        margin-right: auto;
    }

    .job-intent {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .projects-video {
        grid-template-columns: 1fr;
    }

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

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

    .contact-wrap {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }

    .contact-left {
        text-align: center;
    }

    .timeline-line {
        left: 30px;
    }

    .timeline-item,
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        width: 100%;
        left: 0;
        padding-left: 70px;
        padding-right: 0;
    }

    .timeline-item:nth-child(odd) .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        left: 21px;
        right: auto;
    }
}

@media (max-width: 768px) {
    :root {
        --space-section: 70px;
    }

    body {
        font-size: 16px;
        cursor: auto;
    }

    .container {
        padding: 0 24px;
    }

    .section-about {
        padding-top: 120px;
    }

    .nav-container {
        padding: 16px 24px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-black);
        border-bottom: 1px solid var(--color-border);
        padding: 20px;
        gap: 4px;
        transform: translateY(-150%);
        transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-link {
        display: block;
        padding: 14px 20px;
        text-align: center;
    }

    .logo-name {
        font-size: 20px;
    }

    .logo-mark {
        width: 42px;
        height: 42px;
        font-size: 14px;
    }

    .hero-eyebrow {
        font-size: 16px;
    }

    .hero-title {
        font-size: clamp(48px, 16vw, 72px);
    }

    .slogan-mark {
        font-size: 16px;
        padding: 8px 20px;
    }

    .hero-intro {
        font-size: 17px;
    }

    .avatar-frame {
        width: 240px;
        height: 240px;
    }

    .section-subtitle {
        font-size: 28px;
        gap: 16px;
    }

    .subtitle-num {
        font-size: 48px;
    }

    .section-title {
        font-size: clamp(40px, 12vw, 64px);
        gap: 12px;
    }

    .section-desc {
        font-size: 18px;
    }

    .section-header {
        margin-bottom: 60px;
    }

    .projects-category {
        margin-bottom: 60px;
    }

    .category-title {
        font-size: 22px;
        gap: 12px;
    }

    .category-icon {
        width: 40px;
        height: 40px;
    }

    .projects-grid {
        gap: 28px;
    }

    .projects-design {
        grid-template-columns: 1fr;
    }

    .columns-2 {
        flex-direction: column;
        gap: 28px;
    }

    .columns-2 .column {
        gap: 28px;
    }

    .project-name {
        font-size: 20px;
    }

    .project-desc {
        font-size: 14px;
    }

    .projects-cards {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .category-card {
        aspect-ratio: 16 / 10;
    }

    .category-card .card-inner {
        padding: 40px 32px;
    }

    .card-icon {
        width: 56px;
        height: 56px;
        margin-bottom: 24px;
    }

    .card-icon svg {
        width: 26px;
        height: 26px;
    }

    .card-title {
        font-size: 40px;
        letter-spacing: 4px;
    }

    .card-subtitle {
        font-size: 15px;
        margin-bottom: 32px;
    }

    .count-num {
        font-size: 36px;
    }

    .card-arrow {
        bottom: 40px;
        right: 32px;
        width: 44px;
        height: 44px;
    }

    .card-arrow svg {
        width: 20px;
        height: 20px;
    }

    .card-decoration {
        display: none;
    }

    .detail-title {
        font-size: 28px;
        gap: 16px;
        letter-spacing: 2px;
    }

    .detail-num {
        font-size: 20px;
    }

    .sub-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .sub-card {
        aspect-ratio: 1 / 1;
    }

    .sub-card-inner {
        padding: 24px 20px;
    }

    .sub-card-num {
        font-size: 16px;
        margin-bottom: 16px;
    }

    .sub-card-title {
        font-size: 20px;
        letter-spacing: 1px;
    }

    .sub-card-desc {
        font-size: 13px;
    }

    .sub-card-arrow {
        bottom: 20px;
        right: 20px;
        width: 36px;
        height: 36px;
    }

    .sub-card-arrow svg {
        width: 16px;
        height: 16px;
    }

    .card-badge {
        font-size: 10px;
        padding: 4px 10px;
    }

    .timeline-item,
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        padding-left: 50px;
        margin-bottom: 40px;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-item:nth-child(odd) .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        left: 11px;
    }

    .timeline-card {
        padding: 20px;
    }

    .timeline-role {
        font-size: 20px;
    }

    .timeline-desc {
        font-size: 14px;
    }

    .life-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .life-card {
        height: 280px;
    }

    .life-card-wide {
        height: 300px;
    }

    .life-title {
        font-size: 22px;
    }

    .life-icon {
        width: 50px;
        height: 50px;
    }

    .photo-wall .photo-1 {
        width: 42%;
        height: 35%;
    }

    .photo-wall .photo-2 {
        width: 38%;
        height: 32%;
    }

    .photo-wall .photo-3 {
        width: 40%;
        height: 34%;
    }

    .photo-wall .photo-4 {
        width: 36%;
        height: 30%;
    }

    .photo-wall-text {
        font-size: 11px;
    }

    .contact-lead {
        font-size: 18px;
    }

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 20px;
    }

    .contact-value {
        font-size: 18px;
    }

    .resume-btn {
        padding: 16px 36px;
        font-size: 16px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
        padding: 40px 0 30px;
    }

    .footer-logo {
        font-size: 40px;
    }

    .footer-tagline {
        font-size: 14px;
    }

    .footer-nav {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        font-size: 12px;
    }

    .corner-deco {
        width: 40px;
        height: 40px;
    }

    .corner-deco.top-left,
    .corner-deco.top-right {
        top: 24px;
    }

    .corner-deco.bottom-left,
    .corner-deco.bottom-right {
        bottom: 24px;
    }

    .corner-deco.top-left,
    .corner-deco.bottom-left {
        left: 24px;
    }

    .corner-deco.top-right,
    .corner-deco.bottom-right {
        right: 24px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 44px;
    }

    .slogan-mark {
        font-size: 14px;
    }

    .section-title {
        font-size: 36px;
    }

    .intent-card {
        padding: 16px;
    }

    .project-info {
        padding: 18px;
    }

    .timeline-card {
        padding: 16px;
    }
}

@media print {
    .navbar, .footer-stripe, .grain-overlay, .cursor-dot, .cursor-ring,
    .corner-deco, .back-top, .nav-toggle, .resume-btn {
        display: none !important;
    }

    body {
        cursor: auto;
        background: white;
        color: black;
    }

    .section {
        page-break-inside: avoid;
    }
}