/* ===== 全域重置 & 變數 ===== */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Noto Sans TC', 'Inter', sans-serif;
            color: #1a1a1a;
            background: #fcfcf9;
            font-size: 17px;
            line-height: 1.6;
        }
        .font-display {
            font-family: 'Noto Serif TC', serif;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        img {
            display: block;
            max-width: 100%;
        }
        .wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }
        @media (max-width: 640px) {
            .wrap {
                padding: 0 20px;
            }
        }

        /* ===== 顏色變數 ===== */
        :root {
            --green-950: #022c22;
            --green-900: #064e3b;
            --green-800: #065f46;
            --green-700: #047857;
            --green-600: #059669;
            --green-500: #10b981;
            --green-400: #34d399;
            --green-300: #6ee7b7;
            --green-200: #a7f3d0;
            --green-100: #d1fae5;
            --green-50: #ecfdf5;
            --lime-300: #bef264;
            --neutral-900: #171717;
            --neutral-800: #262626;
            --neutral-700: #404040;
            --neutral-600: #525252;
            --neutral-500: #737373;
            --neutral-400: #a3a3a3;
            --neutral-300: #d4d4d4;
            --neutral-200: #e5e5e5;
            --neutral-100: #f5f5f5;
            --neutral-50: #fafafa;
            --cream: #f3ede6;
            --accent-green: #b6e7a8;
            --accent-green-dark: #93cf82;
            --ink: #3d4a35;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.08);
            --radius: 24px;
            --radius-sm: 12px;
            --paper: #fcfcf9;
            --paper-deep: #f3ede6;
            --white: #ffffff;
            --line: rgba(6, 78, 59, 0.10);
            --stripe: linear-gradient(90deg, #ff6f59, #ffc248, #29b6a6, #35648f, #b85c9e, #2f6f4f);
        }

        /* ===== Kicker（區塊標籤）===== */
        .kicker {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: 'Space Grotesk', 'Noto Sans TC', sans-serif;
            font-size: 18px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--green-700);
        }
        .kicker::before {
            content: '';
            width: 30px;
            height: 3px;
            border-radius: 2px;
            background: var(--stripe);
            flex-shrink: 0;
        }

        .heading-lg {
            font-family: 'Noto Serif TC', serif;
            font-weight: 900;
            font-size: 32px;
            line-height: 1.28;
            letter-spacing: -0.01em;
            color: var(--green-900);
            margin-top: 18px;
        }
        @media (min-width: 768px) {
            .heading-lg {
                font-size: 42px;
            }
        }
        .about-heading {
            font-size: 32px;
        }
        @media (min-width: 768px) {
            .about-heading {
                font-size: 42px;
            }
        }

        .heading-md {
            font-family: 'Noto Serif TC', serif;
            font-weight: 900;
            font-size: 26px;
            line-height: 1.3;
            color: var(--green-900);
        }
        @media (min-width: 768px) {
            .heading-md {
                font-size: 32px;
            }
        }

        .text-body {
            color: var(--ink);
            line-height: 1.85;
            font-size: 17px;
        }
        .text-body+.text-body {
            margin-top: 16px;
        }

        /* 關於東三興 & 品質保證：標題與內文間距與生產製造一致 */
        .split-grid .heading-lg + .text-body {
            margin-top: 18px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: all 0.2s ease;
            font-family: 'Noto Sans TC', sans-serif;
        }
        .btn-primary {
            background: var(--accent-green);
            color: var(--green-950);
            box-shadow: 0 4px 0 var(--accent-green-dark), 0 8px 20px rgba(6, 95, 70, 0.18);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 0 var(--accent-green-dark), 0 14px 28px rgba(6, 95, 70, 0.25);
            background: #c5f0b3;
        }
        .btn-primary:active {
            transform: translateY(2px);
            box-shadow: 0 2px 0 var(--accent-green-dark), 0 4px 12px rgba(6, 95, 70, 0.2);
        }
        .btn-outline {
            background: var(--green-700);
            color: #fff;
            box-shadow: 0 4px 0 var(--green-900), 0 8px 20px rgba(2, 44, 34, 0.22);
        }
        .btn-outline:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 0 var(--green-900), 0 14px 28px rgba(2, 44, 34, 0.3);
            background: var(--green-800);
        }
        .btn-outline:active {
            transform: translateY(2px);
            background: var(--green-900);
            box-shadow: 0 2px 0 var(--green-900), 0 4px 12px rgba(2, 44, 34, 0.2);
        }
        .btn-ghost {
            background: transparent;
            color: var(--green-700);
            font-weight: 700;
            padding: 14px 4px;
        }
        .btn-ghost:hover {
            color: var(--green-900);
        }
        .btn-ghost i {
            transition: transform 0.2s ease;
        }
        .btn-ghost:hover i {
            transform: translateX(4px);
        }

        /* 產品欣賞專用按鈕 */
        .btn-feature {
            background: var(--accent-green);
            color: var(--green-950);
            box-shadow: 0 4px 0 var(--accent-green-dark), 0 8px 20px rgba(6, 95, 70, 0.18);
        }
        .btn-feature:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 0 var(--accent-green-dark), 0 14px 28px rgba(6, 95, 70, 0.25);
            background: #c5f0b3;
        }
        .btn-feature:active {
            transform: translateY(2px);
            box-shadow: 0 2px 0 var(--accent-green-dark), 0 4px 12px rgba(6, 95, 70, 0.2);
        }

        /* ===== HEADER ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(229, 229, 229, 0.6);
        }
        .site-header .wrap {
            min-height: 80px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px 24px;
            padding-top: 12px;
            padding-bottom: 12px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .brand-badge {
            width: 56px;
            height: 56px;
            border-radius: 9999px;
            background: var(--green-500);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .brand-badge .mark {
            display: flex;
            align-items: center;
            color: #fff;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.04em;
        }
        .brand-badge .leaf-wrap {
            position: relative;
        }
        .brand-badge .leaf-wrap i {
            position: absolute;
            top: -10px;
            right: -8px;
            font-size: 13px;
            color: var(--lime-300);
            transform: rotate(12deg);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }
        .brand-text .title {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--green-900);
        }
        .brand-text .sub {
            font-size: 14px;
            color: var(--green-600);
            margin-top: 3px;
            font-weight: 500;
        }

        .nav-area {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-left: auto;
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 8px 28px;
            font-size: 17px;
            font-weight: 400;
            color: #6b7280;
        }
        .site-nav a {
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color 0.15s, border-color 0.15s;
        }
        .site-nav a:hover {
            color: #065f46;
            border-bottom-color: var(--accent-green);
        }
        .site-nav a.active {
            color: #065f46;
            font-weight: 400;
            border-bottom: 2px solid var(--accent-green);
        }

        .lang-toggle {
            display: flex;
            align-items: center;
            gap: 2px;
            background: var(--neutral-100);
            border-radius: 9999px;
            padding: 4px;
            flex-shrink: 0;
        }
        .lang-btn {
            border: none;
            background: transparent;
            cursor: pointer;
            font-family: 'Noto Sans TC', sans-serif;
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 9999px;
            color: var(--neutral-500);
            transition: 0.15s;
        }
        .lang-btn.active {
            background: var(--green-700);
            color: #fff;
        }

        .nav-burger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 9999px;
            border: 1px solid var(--neutral-200);
            background: #fff;
            color: var(--green-700);
            font-size: 18px;
            cursor: pointer;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .brand {
                flex-shrink: 1;
                min-width: 0;
            }
            .brand-text {
                min-width: 0;
            }
            .nav-area {
                width: 100%;
                justify-content: flex-end;
            }
            .nav-burger {
                display: flex;
            }
            .lang-toggle {
                flex-shrink: 0;
            }
            .site-nav {
                display: none;
                width: 100%;
                order: 10;
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
                margin-top: 14px;
                padding-top: 16px;
                border-top: 1px solid var(--neutral-200);
            }
            .site-nav.open {
                display: flex;
            }
            .site-nav a {
                display: inline-block;
                width: fit-content;
                padding: 10px 0;
                font-size: 18px;
                border-bottom: 2px solid transparent;
            }
            .site-nav a.active {
                border-bottom-color: var(--accent-green);
            }
            /* 手機版按鈕上下排列，寬度依內容自適應 */
            .hero-cta {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-cta .btn {
                width: auto;
            }
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            width: 100%;
            min-height: 460px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }
     
        @media (max-width: 640px) {
            .hero {
                min-height: 0;
                aspect-ratio: 360/420;
            }
            .hero-bg {
                object-fit: cover;
            }
        }
        .hero-content {
            position: relative;
            z-index: 10;
            width: 100%;
            padding: 0 32px;
            max-width: 1200px;
            margin: 0 auto;
        }
        @media (max-width: 640px) {
            .hero-content {
                padding: 0 20px;
            }
        }
        .hero-inner {
            max-width: 560px;
            margin-left: 6%;
        }
        @media (max-width: 640px) {
            .hero-inner {
                margin-left: 0;
                max-width: 100%;
            }
        }
        .hero-title {
            font-family: 'Noto Serif TC', serif;
            font-weight: 900;
            text-align: left;
            font-size: 34px;
            line-height: 1.22;
            letter-spacing: -0.01em;
            color: #fbfaf5;
            margin-top: 14px;
        }
        .hero-title .line {
            display: block;
            opacity: 0;
            transform: translateY(28px);
            animation: heroIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
        }
        .hero-title .accent {
            margin-top: 10px;
            animation-delay: 0.18s;
        }
        .hero-title .word-green {
            color: #6ee7b7;
        }
        .hero-title .word-deepgreen {
            color: var(--green-800);
        }
        .hero-title .word-blue {
            color: #7fb2e8;
        }
        .hero-title .word-rainbow {
            background: linear-gradient(90deg, #ff3b30, #ff9500, #ffcc00, #34c759, #00c7be, #007aff, #af52de, #ff2d92);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }
        @keyframes heroIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @media (prefers-reduced-motion: reduce) {
            .hero-title .line {
                animation: none;
                opacity: 1;
                transform: none;
            }
        }
        @media (min-width: 768px) {
            .hero-title {
                font-size: 50px;
            }
        }
        .hero-cta {
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ===== 區塊通用 ===== */
        .section-block {
            padding: 88px 0;
            background: var(--paper);
        }
        @media (max-width: 640px) {
            .section-block {
                padding: 56px 0;
            }
        }

        .section-block-alt {
            background: var(--white);
            padding: 88px 0;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        @media (max-width: 640px) {
            .section-block-alt {
                padding: 56px 0;
            }
        }

        .section-block-cream {
            background: var(--cream);
            padding: 88px 0;
        }
        @media (max-width: 640px) {
            .section-block-cream {
                padding: 56px 0;
            }
        }

        /* 產品欣賞區塊 */
        .section-block-feature {
            background: #f1f7ec;
            padding: 64px 0;
            overflow: hidden;
        }

        .section-block-fog {
            background: var(--white);
            padding: 88px 0;
            border-top: 1px solid var(--line);
        }
        @media (max-width: 640px) {
            .section-block-fog {
                padding: 56px 0;
            }
        }

        /* ===== 圖文區塊 ===== */
        .split-grid {
            display: grid;
            gap: 48px;
            align-items: center;
        }
        @media (min-width: 768px) {
            .split-grid {
                grid-template-columns: 5fr 7fr;
                gap: 56px;
            }
            .split-grid.reverse {
                direction: rtl;
            }
            .split-grid.reverse>* {
                direction: ltr;
            }
            .split-grid.split-grid-wide {
                grid-template-columns: 2fr 1fr;
            }
        }

        .split-image-frame {
            position: relative;
        }
        .split-image {
            position: relative;
            z-index: 1;
            aspect-ratio: 4/5;
            overflow: hidden;
            border-radius: var(--radius);
            background: var(--neutral-100);
            /* box-shadow 已移除 */
        }
        .split-image img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            object-position: center;
        }
        .split-image.split-image-tall {
            aspect-ratio: 1076/1522;
        }

        .feature-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-weight: 600;
            font-size: 16px;
            color: var(--green-900);
        }
        .feature-list li i {
            color: var(--green-600);
            font-size: 18px;
            margin-top: 2px;
            width: 22px;
            text-align: center;
        }

        /* ===== 卡片（生產製造）===== */
        .cap-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-top: 44px;
        }
        @media (min-width: 640px) {
            .cap-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .cap-card {
            position: relative;
            background: var(--white);
            border-radius: var(--radius-sm);
            padding: 34px 28px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--line);
            overflow: hidden;
            transition: all 0.25s ease;
        }
        .cap-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            right: 0;
            height: 4px;
            background: var(--stripe);
            opacity: 0.35;
            transition: opacity 0.25s ease;
        }
        .cap-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--green-200);
        }
        .cap-card:hover::before {
            opacity: 1;
        }
        .cap-card .icon-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            background: var(--green-50);
            font-size: 20px;
            color: var(--green-700);
            margin-top: 14px;
        }
        .cap-card h3 {
            font-family: 'Noto Serif TC', serif;
            font-weight: 700;
            font-size: 21px;
            margin-top: 16px;
            color: var(--green-950);
        }
        .cap-card p {
            margin-top: 10px;
            font-size: 16px;
            color: var(--ink);
            line-height: 1.75;
        }

        /* ===== 經銷卡片 ===== */
        .partner-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-top: 44px;
        }
        @media (min-width: 640px) {
            .partner-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .partner-card {
            background: var(--white);
            border-radius: var(--radius-sm);
            padding: 30px 26px;
            border: 1px solid var(--neutral-200);
            transition: all 0.25s ease;
            box-shadow: var(--shadow-sm);
        }
        .partner-card:hover {
            transform: translateY(-4px);
            border-color: var(--green-400);
            box-shadow: var(--shadow-md);
            background: var(--green-50);
        }
        .partner-card .icon-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 9999px;
            background: var(--green-50);
            font-size: 19px;
            color: var(--green-700);
            border: 1px solid var(--line);
        }
        .partner-card h3 {
            font-family: 'Noto Serif TC', serif;
            font-weight: 700;
            font-size: 20px;
            margin-top: 16px;
            color: var(--green-950);
        }
        .partner-card p {
            margin-top: 8px;
            font-size: 16px;
            color: var(--ink);
            line-height: 1.75;
        }

        /* ===== 橫幅促銷 ===== */
        .banner-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            text-align: left;
        }
        @media (max-width: 768px) {
            .banner-row {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        .banner-text {
            max-width: 640px;
        }
        .banner-text .kicker {
            color: var(--green-700);
        }
        .banner-text .kicker::before {
            background: var(--stripe);
        }
        .banner-text .heading-lg {
            margin-top: 12px;
            color: var(--green-950);
        }
        .gallery-heading {
            font-size: 24px;
        }
        @media (min-width: 768px) {
            .gallery-heading {
                font-size: 32px;
                white-space: nowrap;
            }
        }
        .banner-text .text-body {
            margin-top: 14px;
            color: var(--ink);
        }
        .banner-row .btn {
            flex-shrink: 0;
        }

        /* ===== FOOTER  ===== */
        .site-footer {
            background: #efece7;
            position: relative;
        }
        .footer-grid {
            display: grid;
            gap: 40px;
            padding-top: 64px;
            padding-bottom: 64px;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1fr;
                gap: 48px;
            }
        }

        .footer-desc {
            margin-top: 20px;
            font-size: 16px;
            color: #6b7280;
            line-height: 1.75;
            max-width: 480px;
        }

        .footer-heading {
            font-family: 'Space Grotesk', 'Noto Sans TC', sans-serif;
            font-size: 18px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: #111111;
        }
        .footer-list {
            margin-top: 18px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 16px;
            color: #6b7280;
        }
        .footer-list li {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 2px solid transparent;
            transition: color 0.15s, border-color 0.15s;
            width: fit-content;
        }
        .footer-list a:hover {
            color: var(--green-950);
            border-bottom-color: var(--accent-green);
        }
        .footer-list .icon {
            color: var(--green-600);
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-columns {
                display: grid;
                grid-template-columns: 1fr;
                gap: 32px;
                margin-top: 8px;
                padding-top: 32px;
                border-top: 1px solid var(--line);
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        .footer-bottom {
            border-top: 1px solid rgba(167, 243, 208, 0.5);
            padding: 20px 0;
        }
        .footer-bottom-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            gap: 6px;
            font-size: 13px;
            color: var(--green-700);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }
        @media (min-width: 640px) {
            .footer-bottom-inner {
                flex-direction: row;
            }
        }

        /* ===== 通用工具 ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-40 {
            margin-top: 40px;
        }