* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

        html {
            overflow-x: hidden;
            scroll-behavior: auto;
        }

        html.is-smooth-scrolling {
            scroll-behavior: auto;
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }
            .reveal-on-scroll {
                opacity: 1;
                transform: none;
                transition: none;
            }
            .marquee {
                animation: none;
            }
            .visual-card.large {
                animation: none;
            }
            .hero-content > * {
                animation: none;
                opacity: 1;
                transform: none;
            }
        }

        #home, #shop, #works, #about, #contact {
            scroll-margin-top: 5.5rem;
        }

        body {
            font-family: 'Inter', -apple-system, sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .serif {
            font-family: 'Noto Serif SC', serif;
        }

        /* Header */
        #header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 1.5rem 3rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(250, 249, 247, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        #header.scrolled {
            padding: 1rem 3rem;
            box-shadow: 0 1px 0 var(--border);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            color: var(--ink);
            border-radius: 4px;
            transition: opacity 0.2s ease;
        }

        .logo:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .logo:active {
            opacity: 0.88;
        }

        .logo-mark {
            width: 42px;
            height: 42px;
            background: var(--ink);
            color: var(--paper);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            transition: transform 0.3s ease;
        }

        .logo:hover .logo-mark {
            transform: rotate(-5deg) scale(1.05);
        }

        .logo-text {
            font-size: 1.1rem;
            font-weight: 600;
            letter-spacing: -0.02em;
        }

        .logo-text span {
            display: block;
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--muted);
            letter-spacing: 0.1em;
            text-transform: uppercase;
        }

        nav {
            display: flex;
            gap: 1.75rem;
            align-items: center;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            margin-left: 0.25rem;
            padding-left: 1.25rem;
            border-left: 1px solid var(--border);
        }

        nav a {
            color: var(--muted);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.35s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
            position: relative;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
            transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        }

        nav a:hover {
            color: var(--ink);
        }

        nav a:hover::after {
            width: 100%;
        }

        nav a.is-active {
            color: var(--ink);
        }

        nav a.is-active::after {
            width: 100%;
        }

        html.nav-journey nav a {
            pointer-events: none;
        }

        html.nav-journey .logo {
            pointer-events: none;
        }

        #header.nav-open {
            box-shadow: 0 4px 24px var(--shadow-ink);
        }

        .menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--ink);
        }

        /* Hero */
        .hero {
            min-height: 100vh;
            display: grid;
            grid-template-columns: 1fr 1fr;
            padding: 8rem 5rem 5rem;
            gap: 4rem;
            align-items: center;
            position: relative;
        }

        .hero-content {
            max-width: 600px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--ink);
            color: var(--paper);
            padding: 0.4rem 1rem;
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 2rem;
        }

        .hero-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
        }

        .hero h1 {
            font-size: clamp(3rem, 6vw, 5rem);
            font-weight: 700;
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
        }

        .hero h1 .accent {
            color: var(--accent);
            position: relative;
        }

        .hero h1 .accent::after {
            content: '';
            position: absolute;
            bottom: 0.1em;
            left: 0;
            right: 0;
            height: 0.15em;
            background: var(--gold);
            opacity: 0.4;
            z-index: -1;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--muted);
            margin-bottom: 2.5rem;
            max-width: 480px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2rem;
            font-size: 0.9rem;
            font-weight: 500;
            text-decoration: none;
            transition:
                transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                opacity 0.3s ease,
                background 0.3s ease,
                color 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--ink);
            color: var(--paper);
        }

        .btn-primary:hover {
            opacity: 0.92;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px var(--shadow-ink);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px color-mix(in srgb, var(--ink) 10%, transparent);
        }

        .btn-outline {
            background: transparent;
            color: var(--ink);
            border: 1px solid var(--border);
        }

        .btn-outline:hover {
            border-color: var(--ink);
            background: var(--ink);
            color: var(--paper);
        }

        .btn svg {
            width: 16px;
            height: 16px;
        }

        /* Hero Visual */
        .hero-visual {
            position: relative;
            height: 100%;
            min-height: 500px;
        }

        .visual-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            height: 100%;
        }

        .visual-card {
            background: white;
            border: 1px solid var(--border);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.4s ease;
        }

        .visual-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
        }

        .visual-card.large {
            grid-column: span 2;
            background: var(--ink);
            color: var(--paper);
            border: none;
        }

        .visual-card .number {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1;
        }

        .visual-card .label {
            font-size: 0.85rem;
            color: var(--muted);
            margin-top: 0.5rem;
        }

        .visual-card.large .label {
            color: rgba(255, 255, 255, 0.6);
        }

        .visual-card .icon {
            font-size: 2rem;
            opacity: 0.8;
        }

        .visual-card .tag-row {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .visual-card .tag {
            background: rgba(255, 255, 255, 0.1);
            padding: 0.3rem 0.8rem;
            font-size: 0.75rem;
            border-radius: 2px;
        }

        /* Marquee */
        .marquee-section {
            background: var(--ink);
            padding: 1.5rem 0;
            overflow: hidden;
        }

        .marquee {
            display: flex;
            animation: marquee 30s linear infinite;
        }

        .marquee-content {
            display: flex;
            gap: 4rem;
            padding-right: 4rem;
        }

        .marquee-item {
            color: var(--paper);
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .marquee-item::after {
            content: '◆';
            color: var(--gold);
            font-size: 0.5rem;
        }

        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* Services */
        .services {
            padding: 8rem 5rem;
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 4rem;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .section-header h2 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        .section-header p,
        .section-header .section-desc {
            color: var(--muted);
            max-width: 400px;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
        }

        .services-grid--showcase {
            grid-auto-rows: minmax(340px, auto);
        }

        /* 商城卡片：精选作品叠层 + 原商城悬停（上浮/阴影/左侧强调条） */
        .service-card--showcase {
            background: var(--ink);
            border: 1px solid var(--border);
            padding: 0;
            position: relative;
            overflow: hidden;
            min-height: 340px;
            transition: border-color 0.4s ease, box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .service-card--showcase::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--accent);
            transition: height 0.4s ease;
            z-index: 4;
        }

        .service-card--showcase:hover {
            border-color: transparent;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
        }

        @media (hover: hover) {
            .service-card--showcase:hover {
                transform: translateY(-5px);
            }
        }

        .service-card--showcase:hover::before {
            height: 100%;
        }

        .service-visual {
            position: absolute;
            inset: 0;
            overflow: hidden;
        }

        .service-cover {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            margin: 0;
            background: var(--ink);
        }

        .service-cover > img,
        .service-cover-fallback {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .service-cover-fallback {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .service-cover-fallback-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.5;
        }

        .service-cover-fallback-icon {
            position: relative;
            z-index: 1;
            width: 3.5rem;
            height: 3.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.75rem;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
            color: #fff;
        }

        .service-cover--placeholder {
            background: linear-gradient(135deg, var(--ink) 0%, #2d2d4a 45%, var(--accent) 100%);
        }

        .service-card--showcase[data-showcase-index="1"] .service-cover--placeholder {
            background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 55%, #93c5fd 100%);
        }
        .service-card--showcase[data-showcase-index="2"] .service-cover--placeholder {
            background: linear-gradient(135deg, #312e81 0%, #7c3aed 50%, #c4b5fd 100%);
        }
        .service-card--showcase[data-showcase-index="3"] .service-cover--placeholder {
            background: linear-gradient(135deg, #422006 0%, var(--gold) 45%, #fef3c7 100%);
        }
        .service-card--showcase[data-showcase-index="4"] .service-cover--placeholder {
            background: linear-gradient(135deg, #134e4a 0%, #0d9488 50%, #99f6e4 100%);
        }
        .service-card--showcase[data-showcase-index="5"] .service-cover--placeholder {
            background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 55%, #93c5fd 100%);
        }

        .service-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(45deg, rgba(230, 57, 70, 0.28), transparent, rgba(212, 165, 116, 0.28));
            opacity: 0;
            transition: opacity 0.4s ease;
            pointer-events: none;
            z-index: 1;
        }

        @media (hover: hover) {
            .service-card--showcase:hover .service-cover > img,
            .service-card--showcase:hover .service-cover-fallback {
                transform: scale(1.06);
            }
            .service-card--showcase:hover .service-cover::after {
                opacity: 1;
            }
        }

        .service-overlay {
            position: absolute;
            inset: 0;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 1.5rem 1.5rem 1.35rem;
            background: linear-gradient(to top, color-mix(in srgb, var(--ink) 92%, transparent) 0%, color-mix(in srgb, var(--ink) 45%, transparent) 42%, transparent 68%);
            transition: background 0.4s ease;
            pointer-events: none;
        }

        @media (hover: hover) {
            .service-card--showcase:hover .service-overlay {
                background: linear-gradient(to top, color-mix(in srgb, var(--ink) 96%, transparent) 0%, color-mix(in srgb, var(--ink) 55%, transparent) 50%, color-mix(in srgb, var(--ink) 15%, transparent) 100%);
                backdrop-filter: blur(4px);
            }
        }

        .service-overlay-inner {
            pointer-events: none;
        }

        .service-overlay h3 {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.35rem;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .service-summary {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.9rem;
            line-height: 1.55;
            margin: 0;
            max-height: 2.4em;
            overflow: hidden;
            opacity: 0.85;
            transition: max-height 0.45s ease, opacity 0.35s ease, margin 0.35s ease;
        }

        @media (hover: hover) {
            .service-card--showcase:hover .service-summary {
                max-height: 6em;
                opacity: 1;
                margin-bottom: 0.5rem;
            }
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.45rem;
            margin-top: 0.65rem;
        }

        .service-tags .tag {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 0.3rem 0.75rem;
            font-size: 0.75rem;
            backdrop-filter: blur(10px);
            border: none;
        }

        .service-tags .tag-price {
            font-weight: 600;
        }

        .service-tags .tag-price del {
            opacity: 0.65;
            margin-right: 0.35rem;
            font-weight: 400;
        }

        .service-card--showcase .card-actions {
            display: flex;
            gap: 0.5rem;
            margin-top: 0.85rem;
            pointer-events: auto;
            opacity: 0;
            transform: translateY(10px);
            transition: opacity 0.35s ease, transform 0.35s ease;
        }

        @media (hover: hover) {
            .service-card--showcase:hover .card-actions {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (hover: none) {
            .service-card--showcase .service-summary {
                max-height: 4.5em;
                opacity: 1;
            }
            .service-card--showcase .card-actions {
                opacity: 1;
                transform: none;
            }
        }

        /* Works */
        .works {
            padding: 8rem 5rem;
            background: white;
        }

        .works-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-template-rows: repeat(2, 300px);
            gap: 1rem;
        }

        .work-item {
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }

        .work-item--hero,
        .work-item:nth-child(1) {
            grid-column: span 2;
            grid-row: span 2;
        }

        .work-item .work-bg {
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--ink) 0%, #2d2d4a 45%, var(--accent) 100%);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .work-item .work-bg.work-bg--photo {
            background-color: var(--ink);
        }

        .work-item:nth-child(2) .work-bg:not(.work-bg--photo) { background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 55%, #93c5fd 100%); }
        .work-item:nth-child(3) .work-bg:not(.work-bg--photo) { background: linear-gradient(135deg, #312e81 0%, #7c3aed 50%, #c4b5fd 100%); }
        .work-item:nth-child(4) .work-bg:not(.work-bg--photo) { background: linear-gradient(135deg, #422006 0%, var(--gold) 45%, #fef3c7 100%); }
        .work-item:nth-child(5) .work-bg:not(.work-bg--photo) { background: linear-gradient(135deg, #134e4a 0%, #0d9488 50%, #99f6e4 100%); }
        .work-item:nth-child(6) .work-bg:not(.work-bg--photo) { background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 55%, #93c5fd 100%); }
        .work-item:nth-child(7) .work-bg:not(.work-bg--photo) { background: linear-gradient(135deg, #312e81 0%, #7c3aed 50%, #c4b5fd 100%); }
        .work-item:nth-child(8) .work-bg:not(.work-bg--photo) { background: linear-gradient(135deg, #134e4a 0%, #0d9488 50%, #99f6e4 100%); }

        .work-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(26, 26, 46, 0.9), transparent 60%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 2rem;
            opacity: 0;
            transition: opacity 0.4s ease;
            pointer-events: none;
        }

        @media (hover: hover) {
            .work-item:hover .work-overlay {
                opacity: 1;
            }
            .work-item:hover .work-bg {
                transform: scale(1.05);
            }
        }

        .work-overlay h4 {
            color: white;
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .work-overlay p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        .work-overlay .tags {
            display: flex;
            gap: 0.5rem;
            margin-top: 1rem;
        }

        .work-overlay .tag {
            background: rgba(255, 255, 255, 0.15);
            color: white;
            padding: 0.3rem 0.8rem;
            font-size: 0.75rem;
            backdrop-filter: blur(10px);
        }

        /* About */
        .about {
            padding: 8rem 5rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6rem;
            align-items: center;
        }

        .about-image {
            position: relative;
        }

        .about-image .main-img {
            width: 100%;
            aspect-ratio: 4/5;
            background: var(--ink);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
        }

        .about-image .main-img--photo::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(26, 26, 46, 0.2) 0%, transparent 55%);
            pointer-events: none;
        }

        .about-image .main-img:not(.main-img--photo)::before {
            content: '关于我们';
            position: absolute;
            top: 2rem;
            left: 2rem;
            color: var(--paper);
            font-size: 0.8rem;
            letter-spacing: 0.2em;
            writing-mode: vertical-rl;
        }

        .about-image .float-card {
            position: absolute;
            bottom: -2rem;
            right: -2rem;
            background: white;
            border: 1px solid var(--border);
            padding: 1.5rem 2rem;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
        }

        .about-image .float-card .big {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1;
        }

        .about-image .float-card .small {
            font-size: 0.85rem;
            color: var(--muted);
            margin-top: 0.25rem;
        }

        .about-content h2 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        .about-content > p {
            color: var(--muted);
            font-size: 1.05rem;
            line-height: 1.9;
            margin-bottom: 2rem;
        }

        .about-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border);
        }

        .about-stats .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--ink);
        }

        .about-stats .stat-label {
            font-size: 0.85rem;
            color: var(--muted);
            margin-top: 0.25rem;
        }

        /* Contact — 样式见 site-unified.css */

        /* Footer */
        .site-footer {
            padding: 0 1.5rem 2.25rem;
            padding-bottom: calc(2.25rem + env(safe-area-inset-bottom, 0px));
            background: color-mix(in srgb, var(--ink) 88%, #000);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--paper);
            text-align: center;
        }

        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.35rem 1.25rem;
            padding: 1.75rem 0 1.15rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 1.15rem;
        }

        .footer-nav a,
        .footer-nav-btn {
            color: rgba(255, 255, 255, 0.62);
            text-decoration: none;
            font-size: 0.84rem;
            font-weight: 500;
            background: none;
            border: none;
            padding: 0.25rem 0;
            cursor: pointer;
            font-family: inherit;
            transition: color 0.2s ease;
        }

        .footer-nav a:hover,
        .footer-nav-btn:hover {
            color: var(--gold);
        }

        .site-footer .footer-copy {
            margin: 0;
            font-size: 0.82rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.02em;
        }

        .site-footer .footer-copy a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .site-footer .footer-copy a:hover {
            color: var(--paper);
        }

        /* Toast */
        .toast {
            position: fixed;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%) translateY(100px);
            background: var(--ink);
            color: var(--paper);
            padding: 1rem 2rem;
            font-size: 0.9rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 8000;
        }

        .toast.show {
            transform: translateX(-50%) translateY(0);
        }

        /* Responsive - nav flex wrap for auth */
        #header { flex-wrap: wrap; }
        nav { align-items: center; flex-wrap: wrap; }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero {
                grid-template-columns: 1fr;
                padding: 7rem 2rem 4rem;
            }

            .hero-visual {
                min-height: 400px;
            }

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

            .services-grid--showcase {
                grid-auto-rows: minmax(300px, auto);
            }

            .service-card--showcase {
                min-height: 300px;
            }

            .works-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-template-rows: repeat(3, 250px);
            }

            .work-item--hero,
            .work-item:nth-child(1) {
                grid-column: span 2;
                grid-row: span 1;
            }

            .about {
                grid-template-columns: 1fr;
                gap: 3rem;
                padding: 5rem 2rem;
            }
        }

        @media (max-width: 768px) {
            #header {
                padding: 1rem 1.5rem;
            }

            nav {
                display: flex;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--paper);
                flex-direction: column;
                padding: 0 1.5rem;
                gap: 0;
                border-bottom: 1px solid transparent;
                max-height: 0;
                opacity: 0;
                overflow: hidden;
                transform: translateY(-10px);
                pointer-events: none;
                box-shadow: none;
                transition:
                    max-height 0.55s cubic-bezier(0.22, 1, 0.36, 1),
                    opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                    transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
                    padding 0.45s cubic-bezier(0.22, 1, 0.36, 1),
                    border-color 0.35s ease,
                    box-shadow 0.45s ease;
            }

            nav.active {
                max-height: min(85vh, 520px);
                opacity: 1;
                transform: translateY(0);
                pointer-events: auto;
                padding: 1.25rem 1.5rem 1.5rem;
                gap: 0.85rem;
                border-bottom-color: var(--border);
                box-shadow: 0 16px 40px var(--shadow-ink);
            }

            nav.is-closing {
                max-height: 0;
                opacity: 0;
                transform: translateY(-8px);
                pointer-events: none;
                padding-top: 0;
                padding-bottom: 0;
            }

            nav a {
                color: var(--ink);
                padding: 0.4rem 0;
                transform: translateY(6px);
                opacity: 0;
                transition:
                    color 0.3s ease,
                    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
                    opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            }

            nav.active a {
                transform: translateY(0);
                opacity: 1;
            }

            nav.active a:nth-child(1) { transition-delay: 0.04s; }
            nav.active a:nth-child(2) { transition-delay: 0.08s; }
            nav.active a:nth-child(3) { transition-delay: 0.12s; }
            nav.active a:nth-child(4) { transition-delay: 0.16s; }

            nav a.is-active {
                color: var(--accent);
            }

            .menu-btn {
                display: block;
            }

            .hero {
                padding: 6rem 1.5rem 3rem;
            }

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

            .services,
            .works {
                padding: 5rem 1.5rem;
            }

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

            .services-grid--showcase {
                grid-auto-rows: minmax(280px, auto);
            }

            .service-card--showcase {
                min-height: 280px;
            }

            .works-grid {
                grid-template-columns: 1fr;
                grid-template-rows: repeat(5, minmax(200px, auto));
            }

            .shop-section .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 1.25rem;
            }

            .shop-filters {
                width: 100%;
            }

            .work-item:nth-child(1) {
                grid-column: span 1;
            }

            .about-stats {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .site-footer {
                padding: 1.5rem 1rem 2rem;
                padding-bottom: calc(2rem + env(safe-area-inset-bottom, 0px));
            }
        }
    
        /* 炫酷动画效果 */
        .work-item .work-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(45deg, color-mix(in srgb, var(--accent) 28%, transparent), transparent, color-mix(in srgb, var(--gold) 28%, transparent));
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .work-item:hover .work-bg::after {
            opacity: 1;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }
        
        @keyframes glow {
            0%, 100% { box-shadow: 0 0 20px var(--glow-accent); }
            50% { box-shadow: 0 0 40px color-mix(in srgb, var(--accent) 52%, transparent); }
        }
        
        .visual-card.large {
            animation: glow 3s ease-in-out infinite;
        }
        
        @media (hover: hover) {
            .service-card--showcase:hover .service-cover-fallback-icon {
                transform: translateY(-2px) scale(1.05);
                transition: transform 0.35s ease;
            }
        }
        
        .about-image .main-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, color-mix(in srgb, var(--ink) 8%, transparent), color-mix(in srgb, var(--accent) 12%, transparent));
            opacity: 0.15;
        }
        
        .hero-visual {
            perspective: 1000px;
        }
        
        .visual-card {
            transform-style: preserve-3d;
        }
        
        @keyframes slideIn {
            from { opacity: 0; transform: translateX(-50px); }
            to { opacity: 1; transform: translateX(0); }
        }
        
        .hero-content > * {
            animation: slideIn 0.8s ease-out forwards;
        }
        
        .hero-content > *:nth-child(1) { animation-delay: 0.1s; }
        .hero-content > *:nth-child(2) { animation-delay: 0.2s; }
        .hero-content > *:nth-child(3) { animation-delay: 0.3s; }
        .hero-content > *:nth-child(4) { animation-delay: 0.4s; }
        
        .btn {
            position: relative;
            overflow: hidden;
        }
        
        .btn::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
            pointer-events: none;
        }

        .reveal-on-scroll {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .reveal-on-scroll.in-view {
            opacity: 1;
            transform: translateY(0);
        }

        @media (hover: hover) {
            .reveal-on-scroll.in-view.service-card--showcase:hover {
                transform: translateY(-5px);
            }
        }
        
        .btn:hover::before {
            width: 300px;
            height: 300px;
        }
        
        .work-overlay {
            backdrop-filter: blur(5px);
        }