/*
 * STO 中文網站樣式 (v2.0.9 - 手機版 Hero 佈局修正)
 * 作者: 設計團隊 & AI 助手
 * 版本: 2.0.9 (根據指示，修正手機版首頁日期標籤與輪播按鈕重疊問題)
 * 描述: 強調優雅、高端質感與流暢互動的樣式表
 */

/* ==============================
 * 1. 基礎設置與全局變量
 * ============================== */
:root {
    /* 主色調 (更內斂的黃色) */
    --color-primary: #E8B94E; /* 調整黃色，降低飽和度 */
    --color-primary-dark: #D4A03D;
    --color-primary-light: #F5E4C3;
    --color-primary-rgb: 232, 185, 78; /* 用於 rgba */

    /* 次要顏色 (深灰與淺灰) */
    --color-secondary: #222222; /* 更深的文字黑 */
    --color-secondary-light: #6a6a6a; /* 稍微加深的輔助灰 */
    --color-secondary-lighter: #a0a0a0;
    --color-secondary-dark: #111111;

    /* 背景顏色 */
    --color-bg: #FFFFFF;
    --color-bg-light: #F8F8F8; /* 稍微調整淺背景色 */
    --color-bg-dark: #EDEDED;

    /* 輔助顏色 */
    --color-border: #EAEAEA; /* 更柔和的邊框色 */
    --color-success: #4CAF50;
    --color-warning: #FF9800;
    --color-error: #F44336;

    /* 字體 */
    --font-family-sans: 'Noto Sans SC', sans-serif;
    /* --font-family-serif: 'Source Serif Pro', serif; */ /* 可選標題字體 */
    --font-size-base: 16px;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    --font-weight-black: 900;

    /* 行高 */
    --line-height-tight: 1.3;
    --line-height-normal: 1.6;
    --line-height-loose: 1.8;

    /* 間距 (使用更一致的比例) */
    --spacing-xxs: 0.25rem; /* 4px */
    --spacing-xs: 0.5rem;   /* 8px */
    --spacing-sm: 1rem;     /* 16px */
    --spacing-md: 1.5rem;   /* 24px */
    --spacing-lg: 2.5rem;   /* 40px */
    --spacing-xl: 4rem;     /* 64px */
    --spacing-xxl: 6rem;    /* 96px */

    /* 陰影 (更柔和細膩) */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 12px 35px rgba(0, 0, 0, 0.1);

    /* 過渡 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* 圓角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px; /* 適度減小大圓角 */
    --radius-full: 50%;

    /* 容器寬度 */
    --container-max-width: 1500px; /* 稍微調整 */
    --container-padding: 1.5rem;

    /* Z-index層級 */
    --z-back: -1;
    --z-base: 1;
    --z-content: 10;
    --z-sticky: 100;
    --z-overlay: 200;
    --z-modal: 300;
    --z-menu: 400;
    --z-tooltip: 500;
}

/* 重置樣式 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* 考慮固定導航高度 */
}

body {
    font-family: var(--font-family-sans);
    color: var(--color-secondary);
    background-color: var(--color-bg);
    line-height: var(--line-height-normal);
    overflow-x: hidden; /* 確保整個頁面在 X 軸上沒有溢出 */
    width: 100%; /* 確保 body 寬度為 100% */
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
    vertical-align: middle;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary);
}

button {
    background: none;
    border: none;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    padding: 0;
    color: inherit;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary-dark);
}

h1 { font-size: 3rem; font-weight: var(--font-weight-black); }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; font-weight: var(--font-weight-medium); }
h6 { font-size: 1rem; font-weight: var(--font-weight-medium); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary-light);
}

strong, b {
    font-weight: var(--font-weight-bold);
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.section-padding {
    padding-top: var(--spacing-xxl);
    padding-bottom: var(--spacing-xxl);
}

.section-padding-top {
    padding-top: var(--spacing-xxl);
}

.section-padding-bottom {
    padding-bottom: var(--spacing-xxl);
}

.accent-text, .highlight {
    color: var(--color-primary);
}

/* ==============================
 * 2. 通用組件
 * ============================== */
.custom-cursor {
    position: fixed;
    left: 0;
    top: 0;
    pointer-events: none;
    z-index: var(--z-tooltip);
    border-radius: var(--radius-full);
    mix-blend-mode: difference;
    transition: transform 0.3s cubic-bezier(0.19, 1, 0.22, 1),
                width 0.4s cubic-bezier(0.19, 1, 0.22, 1),
                height 0.4s cubic-bezier(0.19, 1, 0.22, 1),
                opacity 0.3s ease;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: white;
}

.cursor-outline {
    width: 30px;
    height: 30px;
    border: 1px solid white;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease,
                width 0.4s cubic-bezier(0.19, 1, 0.22, 1),
                height 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

body.cursor-hover .cursor-outline {
    width: 50px;
    height: 50px;
    border-width: 1px;
    transform: translate(-50%, -50%) scale(1.2);
}
body.cursor-hover .cursor-dot {
    opacity: 0;
}

body, a, button {
    cursor: none;
}
@supports not (cursor: none) {
    body, a, button {
        cursor: default;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: var(--z-base);
    border: 2px solid transparent;
    font-size: 0.9375rem;
    white-space: nowrap;
}

.btn i {
    margin-left: var(--spacing-xs);
    font-size: 0.8em;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left var(--transition-slow);
    z-index: var(--z-base);
}

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

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-secondary-dark);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    animation: pulseShadow 0.8s infinite alternate;
}

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

.btn-outline:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    animation: pulseShadow 0.8s infinite alternate;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    background-color: rgba(var(--color-primary-rgb), 0.9);
    color: var(--color-secondary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all var(--transition-normal);
    z-index: var(--z-overlay);
    backdrop-filter: blur(5px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    background-color: var(--color-primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
    padding-bottom: var(--spacing-xs);
}

.section-title::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: var(--color-primary);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-title--left-aligned {
    text-align: left;
}

.section-title--left-aligned::after {
    left: 0;
    transform: translateX(0);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-secondary-light);
    line-height: var(--line-height-loose);
    margin-bottom: 0;
}

/* ==============================
 * 3. 頭部和導航
 * ============================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0);
    backdrop-filter: blur(0px);
    transition: all var(--transition-normal);
    padding: 1.5rem 0;
    z-index: var(--z-sticky);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--color-border);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    height: 2.8rem;
    display: block;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.logo:hover {
    transform: scale(1.03);
}

.logo img {
    height: 100%;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-weight: var(--font-weight-medium);
    position: relative;
    padding: var(--spacing-xs) 0;
    color: var(--color-secondary);
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary-dark);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    width: 2rem;
    height: 1.5rem;
    justify-content: space-between;
    z-index: calc(var(--z-menu) + 10);
    position: relative;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--color-secondary-dark);
    border-radius: 2px;
    transition: all var(--transition-normal);
    transform-origin: center;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Menu Overlay & Scroll Lock Fix */
body.menu-open {
    overflow: hidden;
}

body::before {
    content: '';
    position: fixed;
    opacity: 0;
    visibility: hidden;
    z-index: 399; /* Below menu (z-index: 400), above content */
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s;
    backdrop-filter: blur(2px);
}

body.menu-open::before {
    opacity: 1;
    visibility: visible;
}


/* ==============================
 * 4. 英雄區 (Hero Section)
 * ============================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-xxl) 0;
    background-attachment: fixed;
    background: linear-gradient(135deg, var(--color-bg) 60%, var(--color-bg-light) 100%);
    background-size: 200% 200%;
    animation: subtleGradientMove 15s ease infinite;
}

.hero-container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: var(--z-content);
}

.hero-content {
    grid-column: 1 / span 6;
    max-width: 580px;
    animation: slideInLeft 0.8s var(--transition-normal) forwards;
    opacity: 0;
}

.hero-title {
    font-size: 3.8rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-black);
}

.hero-title .highlight {
    display: inline-block;
    position: relative;
}

.hero-title span.char {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px) scale(0.8) rotate(10deg);
    transition: opacity 0.6s var(--transition-normal), transform 0.6s var(--transition-normal);
    transition-delay: var(--char-delay);
}

.magnetic-element {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    color: var(--color-secondary-light);
    line-height: var(--line-height-loose);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.hero-visual {
    grid-column: 7 / span 6;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scaleUp 1s var(--transition-normal) forwards;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    opacity: 0;
    transform: scale(0.9);
}

.hero-visual:hover .hero-news-slider {
    transform: scale(1.01);
}


.hero-image-composition {
    position: relative;
    width: 100%;
    max-width: 600px;
    aspect-ratio: 4 / 3;
}

.hero-image-bg {
    position: absolute;
    inset: -20px;
    background-color: rgba(var(--color-primary-rgb), 0.1);
    border-radius: var(--radius-lg);
    z-index: var(--z-base);
    transform: rotate(-5deg);
}

.hero-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
    position: relative;
    z-index: var(--z-content);
    box-shadow: var(--shadow-lg);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-secondary-lighter);
    cursor: pointer;
    z-index: var(--z-content);
    animation: fadeIn 1s forwards 1.5s;
    opacity: 0;
}

.scroll-indicator span {
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.5px;
}

.scroll-indicator i {
    font-size: 1.2rem;
    animation: bounceDown 2s infinite ease-out;
}

.hero-news-slider {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: var(--z-content);
    background-color: var(--color-bg);
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.hero-news-slider .swiper-wrapper {
    height: 100%;
}

.hero-news-slider .news-card {
    height: 100%;
    border: none;
    box-shadow: none;
    transition: none;
}

.hero-news-slider .news-card:hover {
    transform: none;
    box-shadow: none;
}

.hero-news-slider .news-content {
    padding: var(--spacing-md);
}

.hero-news-slider .news-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.hero-news-slider .news-excerpt {
    font-size: 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 同步修正 Hero Section 中的日期標籤定位 */
.hero-news-slider .news-date {
    top: var(--spacing-xs); /* <-- 主要變更：從 bottom 改為 top */
    right: var(--spacing-xs);
    bottom: auto; /* <-- 新增：確保舊的 bottom 樣式被重置 */
}

.hero-news-slider .swiper-button-prev,
.hero-news-slider .swiper-button-next {
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--color-secondary-dark);
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    z-index: 10;
    transition: all var(--transition-normal);
    top: 50%;
    transform: translateY(-50%);
}

.hero-news-slider .swiper-button-prev {
    left: var(--spacing-sm);
}

.hero-news-slider .swiper-button-next {
    right: var(--spacing-sm);
}


/* ==============================
 * 動畫效果 (Keyframes)
 * ============================== */
@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleUp {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes subtleGradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes pulseShadow {
    from { box-shadow: var(--shadow-md); }
    to { box-shadow: var(--shadow-lg), 0 0 0 5px rgba(var(--color-primary-rgb), 0.2); }
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(var(--color-primary-rgb), 0.7);
    animation: ripple-animation 0.6s linear forwards;
    opacity: 0;
    transform: scale(0);
    pointer-events: none;
    z-index: 999;
}

@keyframes ripple-animation {
    from {
        opacity: 1;
        transform: scale(0);
    }
    to {
        opacity: 0;
        transform: scale(2.5);
    }
}


/* ==============================
 * 5. 產品概覽
 * ============================== */
.products-overview {
    background-color: var(--color-bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.product-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.product-image-wrapper {
    position: relative;
    overflow: hidden;
    padding-top: 75%;
    background-color: var(--color-bg-dark);
}

.product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-info {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-bold);
}

.product-description {
    color: var(--color-secondary-light);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
    flex-grow: 1;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary-dark);
    margin-top: auto;
    align-self: flex-start;
}

.product-link i {
    transition: transform var(--transition-fast);
    font-size: 0.9em;
}

.product-link:hover {
    color: var(--color-primary);
}

.product-link:hover i {
    transform: translateX(4px);
}

.view-all-container {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xl);
}

/* ==============================
 * 6. 創新技術
 * ============================== */
.innovation {
    background-color: var(--color-bg);
}

.innovation-wrapper {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-xl);
    align-items: center;
}

.innovation-visual {
    grid-column: 1 / span 6;
    position: relative;
}

.innovation-image {
    width: 100%;
    aspect-ratio: 5 / 4;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.innovation-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.innovation-content {
    grid-column: 7 / span 6;
    max-width: 550px;
    padding-left: var(--spacing-lg);
}

.innovation-description {
    margin-bottom: var(--spacing-xl);
    font-size: 1.125rem;
    line-height: var(--line-height-loose);
}

.innovation-features {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.why-choose-sto .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}
.why-choose-sto .feature {
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
}
.why-choose-sto .feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}
.why-choose-sto .feature-icon {
    margin: 0 auto var(--spacing-md) auto;
    width: 4rem;
    height: 4rem;
    font-size: 1.8rem;
    background-color: rgba(var(--color-primary-rgb), 0.15);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}
.why-choose-sto .feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}
.why-choose-sto .feature-description {
    font-size: 0.9rem;
    color: var(--color-secondary-light);
    line-height: var(--line-height-normal);
}


.feature-icon {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background-color: rgba(var(--color-primary-rgb), 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-dark);
    font-size: 1.5rem;
}

.feature-info {
    padding-top: var(--spacing-xxs);
}

.feature-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-bold);
}

.feature-description {
    color: var(--color-secondary-light);
    font-size: 0.9375rem;
    margin-bottom: 0;
    line-height: var(--line-height-normal);
}

.company-intro-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl, 2rem);
    align-items: center;
    margin-top: var(--spacing-lg, 1.5rem);
}
@media (min-width: 768px) {
    .company-intro-wrapper {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}
.company-intro-content h3 {
    font-size: clamp(1.3rem, 2.5vw, 1.5rem);
    color: var(--color-primary, #E8B94E);
    margin-bottom: var(--spacing-md, 1rem);
    position: relative;
    padding-bottom: var(--spacing-sm, 0.5rem);
}
.company-intro-content h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background-color: var(--color-primary);
}
.company-intro-content p,
.company-intro-content ul {
    font-size: clamp(0.9rem, 2vw, 1rem);
    line-height: var(--line-height-normal, 1.6);
    color: var(--color-secondary-light, #6a6a6a);
    margin-bottom: var(--spacing-md, 1rem);
}
.company-intro-content ul {
    list-style: none;
    padding-left: 0;
}
.company-intro-content ul li {
    margin-bottom: var(--spacing-sm, 0.5rem);
    display: flex;
    align-items: flex-start;
}
.company-intro-content ul li i.fas {
    color: var(--color-primary);
    margin-right: var(--spacing-sm, 0.5rem);
    margin-top: 4px;
    font-size: 1.1em;
}
.company-intro-visual img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--radius-md, 8px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    transition: transform var(--transition-normal);
}
.company-intro-visual img:hover {
    transform: scale(1.02);
}


/* ==============================
 * 7. 案例展示 (使用 Swiper.js)
 * ============================== */
.case-studies {
    background-color: var(--color-bg-light);
    position: relative;
}

.case-studies-slider {
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.swiper-button-prev,
.swiper-button-next {
    color: var(--color-primary);
    width: 44px;
    height: 44px;
    background-color: var(--color-bg-light);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary-dark);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.swiper-button-prev::after,
.swiper-button-next::after {
    font-size: 1.2rem;
    font-weight: bold;
}

.swiper-container-horizontal > .swiper-button-prev,
.swiper-container-horizontal > .swiper-button-next {
    top: 50%;
    transform: translateY(-50%);
}
.swiper-container-horizontal > .swiper-button-prev {
    left: var(--spacing-md);
}
.swiper-container-horizontal > .swiper-button-next {
    right: var(--spacing-md);
}


.case-slide {
    display: grid;
    grid-template-columns: 3fr 2fr;
    background-color: var(--color-bg);
    min-height: 500px;
}

.case-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-info {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-category {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary-lighter);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.case-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-bold);
}

.case-description {
    margin-bottom: var(--spacing-lg);
    color: var(--color-secondary-light);
    line-height: var(--line-height-loose);
}

.case-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary-dark);
    margin-top: auto;
    align-self: flex-start;
}

.case-link i {
    transition: transform var(--transition-fast);
    font-size: 0.9em;
}

.case-link:hover {
    color: var(--color-primary);
}

.case-link:hover i {
    transform: translateX(4px);
}

.case-pagination {
    position: static;
    margin-top: var(--spacing-lg);
    text-align: center;
}

.case-pagination .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background-color: var(--color-border);
    opacity: 1;
    transition: all var(--transition-fast);
    margin: 0 var(--spacing-xxs) !important;
}

.case-pagination .swiper-pagination-bullet-active {
    background-color: var(--color-primary);
    width: 24px;
    border-radius: 5px;
}

.case-button-prev,
.case-button-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3.5rem;
    height: 3.5rem;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
    border-radius: var(--radius-full);
    color: var(--color-secondary-dark);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
    z-index: var(--z-content);
}

.case-button-prev:hover,
.case-button-next:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary-dark);
    transform: translateY(-50%) scale(1.05);
}

.case-button-prev::after,
.case-button-next::after {
    font-size: 1rem;
    font-weight: bold;
}

.case-button-prev { left: -1.75rem; }
.case-button-next { right: -1.75rem; }

/* ==============================
 * 8. 新聞區
 * ============================== */
.news {
    background-color: var(--color-bg);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.news-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.news-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    border-color: transparent;
}

.news-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.news-card-link:hover {
    color: inherit;
}

.news-image-wrapper {
    position: relative;
    overflow: hidden;
    padding-top: 60%;
    background-color: var(--color-bg-dark);
}
.news-card:hover .news-image img {
    transform: scale(1.08);
}

.news-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

/* 將日期標籤的定位從右下角改為右上角，並優化可讀性 */
.news-date {
    position: absolute;
    top: var(--spacing-sm); /* <-- 主要變更：從 bottom 改為 top */
    right: var(--spacing-sm);
    bottom: auto; /* <-- 新增：確保舊的 bottom 樣式被重置 */
    background-color: rgba(var(--color-primary-rgb), 0.9);
    color: var(--color-white);
    width: 50px;
    height: 50px;
    padding: 0;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1;
    z-index: 10; /* 確保在圖片之上 */
    text-shadow: 0 1px 2px rgba(0,0,0,0.2); /* 為文字增加輕微陰影，提升辨識度 */
}

.news-date .day {
    font-weight: 700;
    display: block;
    font-size: 1.2em;
    line-height: 1;
}
.news-date .month {
    font-size: 0.8em;
    line-height: 1;
}


.news-content {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.news-category {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary-lighter);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-primary);
}

.news-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    line-height: var(--line-height-tight);
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary-dark);
    font-size: 1.15rem;
}

.news-excerpt {
    color: var(--color-secondary-light);
    margin-bottom: var(--spacing-md);
    font-size: 0.9375rem;
    line-height: var(--line-height-normal);
    flex-grow: 1;
    font-size: 0.9rem;
    line-height: 1.6;
}

.news-read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary-dark);
    margin-top: auto;
    align-self: flex-start;
    transition: color var(--transition-fast);
    color: var(--color-primary);
}

.news-read-more i {
    transition: transform var(--transition-fast);
    font-size: 0.9em;
}

.news-card:hover .news-read-more {
    color: var(--color-primary-dark);
}

.news-card:hover .news-read-more i {
    transform: translateX(8px);
}

/* ==============================
 * 9. 行動號召 (CTA Section)
 * ============================== */
.cta-section {
    background-color: var(--color-bg-light);
}

.cta-wrapper {
    background: linear-gradient(135deg, var(--color-secondary-dark) 0%, #333 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl) var(--spacing-xxl);
    text-align: center;
    color: var(--color-bg);
    position: relative;
    overflow: hidden;
}

.cta-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 80%;
    height: 150%;
    background-color: rgba(var(--color-primary-rgb), 0.05);
    border-radius: 50%;
    transform: rotate(30deg);
    filter: blur(50px);
    z-index: var(--z-base);
}

.cta-title {
    font-size: 2rem;
    color: var(--color-bg);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: var(--z-content);
}

.cta-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: var(--z-content);
}

.cta-wrapper .btn {
    position: relative;
    z-index: var(--z-content);
}

/* ==============================
 * 10. 頁腳
 * ============================== */
.footer {
    background-color: var(--color-secondary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding-top: var(--spacing-xxl);
    padding-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-about {
    grid-column: 1 / span 4;
}

.footer-logo {
    height: 2.5rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.footer-logo img {
    height: 100%;
    width: auto;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary-dark);
    transform: translateY(-2px);
}

.footer-nav {
    grid-column: 5 / span 8;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-heading {
    color: var(--color-bg);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-bold);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast), padding-left var(--transition-fast);
    display: inline-block;
    position: relative;
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: var(--spacing-xs);
}

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
    line-height: var(--line-height-normal);
}

.footer-contact i {
    color: var(--color-primary);
    font-size: 1rem;
    margin-top: 4px;
    width: 1em;
    text-align: center;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 0;
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 0;
    font-size: 0.875rem;
}

.legal-links {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.legal-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.legal-links a:hover {
    color: var(--color-primary);
}

.legal-links span {
    color: rgba(255, 255, 255, 0.3);
}

/* ==============================
 * 11. 動畫效果 (Scroll Animations)
 * ============================== */
.animated-element {
    opacity: 0;
    transition: opacity 0.8s var(--transition-normal), transform 0.8s var(--transition-normal);
}

.animated-element[data-animation="fadeInUp"] {
    transform: translateY(40px);
}

.animated-element[data-animation="fadeIn"] {
    transform: translateY(0);
}

.animated-element[data-animation="fadeInLeft"] {
    transform: translateX(-40px);
}

.animated-element[data-animation="fadeInRight"] {
    transform: translateX(40px);
}

.animated-element.is-visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ==============================
 * 12. 響應式設計
 * ============================== */
@media (max-width: 1200px) {
    :root {
        --container-max-width: 1140px;
    }
    .hero-content { grid-column: 1 / span 7; }
    .hero-visual { grid-column: 8 / span 5; }
    .innovation-content { padding-left: 0; }
}

@media (max-width: 991px) {
    :root {
        --container-max-width: 960px;
        --font-size-base: 15px;
        --spacing-xxl: 4.5rem;
    }

    html { scroll-padding-top: 70px; }

    .header { padding: 1.2rem 0; }
    .header.scrolled { padding: 0.8rem 0; }
    .logo { height: 2.5rem; }

    .mobile-menu-toggle { display: flex; }
    .main-nav { position: static; }
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        max-width: 80%;
        height: 100vh;
        background-color: var(--color-bg);
        flex-direction: column;
        padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-lg);
        align-items: flex-start;
        gap: var(--spacing-md);
        transition: right var(--transition-normal);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        z-index: var(--z-menu);
        overflow-y: auto;
    }
    .nav-links.active { right: 0; }
    .nav-link { width: 100%; padding: var(--spacing-sm) 0; font-size: 1.1rem; }
    .nav-link::after { bottom: 0; transform-origin: left; }

    .hero {
        min-height: auto;
        padding: var(--spacing-xl) 0;
        text-align: center;
        background-attachment: scroll;
    }
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        margin-top: 10%;
    }

    .hero-content {
        grid-column: 1 / -1;
        max-width: 600px;
        margin: 0 auto var(--spacing-lg);
        opacity: 0;
        animation: fadeInUp 0.8s var(--transition-normal) forwards;
    }
    .hero-visual {
        grid-column: 1 / -1;
        max-width: 500px;
        margin: 0 auto;
        overflow: hidden;
    }
    .hero-title { font-size: 2.8rem; }
    .hero-buttons { justify-content: center; }

    .innovation-wrapper { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .innovation-visual { grid-row: 1; }
    .innovation-content { grid-column: 1 / -1; }

    .case-slide { grid-template-columns: 1fr; }
    .case-image { height: 350px; }
    .case-info { padding: var(--spacing-lg); }
    .case-button-prev, .case-button-next { width: 3rem; height: 3rem; }
    .case-button-prev { left: -1.5rem; }
    .case-button-next { right: -1.5rem; }

    .footer-top { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .footer-about { grid-column: 1 / -1; text-align: center; }
    .social-links { justify-content: center; }
    .footer-nav { grid-column: 1 / -1; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-lg); }

    .footer-bottom { flex-direction: column; gap: var(--spacing-md); text-align: center;}
}

@media (max-width: 767px) {
    :root {
        --container-padding: 1rem;
        --spacing-xxl: 3.5rem;
    }
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .hero-title {
        font-size: 2.3rem;
        line-height: 1.25;
        margin-bottom: var(--spacing-md);
    }
    .hero-description {
        font-size: 1rem;
        margin-bottom: var(--spacing-lg);
    }
    .hero-visual {
        max-width: 400px;
        overflow: hidden;
    }
    .hero-image-composition {
        aspect-ratio: 3/2;
    }

    .btn { padding: 0.75rem 1.5rem; font-size: 0.875rem; }
    .btn-large { padding: 0.875rem 2rem; }

    .back-to-top { width: 2.5rem; height: 2.5rem; bottom: 1rem; right: 1rem; font-size: 0.8rem;}

    .section-header { margin-bottom: var(--spacing-lg); }
    .section-title { font-size: 1.8rem; }
    .section-description { font-size: 1rem; }

    .case-info { padding: var(--spacing-md); }
    .case-title { font-size: 1.5rem; }

    
    .hero-news-slider .news-title { font-size: 1.1rem; }
    .hero-news-slider .news-excerpt { font-size: 0.8rem; -webkit-line-clamp: 2;}

    
    .swiper-button-prev,
    .swiper-button-next {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .case-studies-slider .swiper-button-prev { left: var(--container-padding); }
    .case-studies-slider .swiper-button-next { right: var(--container-padding); }

    
    
    .hero-news-slider .swiper-button-prev,
    .hero-news-slider .swiper-button-next {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    .hero-news-slider .swiper-button-prev {
        left: var(--spacing-xs);
        right: auto;
    }
    .hero-news-slider .swiper-button-next {
        right: var(--spacing-xs);
        left: auto;
    }
    
    

    .hero-news-slider .news-content {
        padding: var(--spacing-sm);
    }

    .footer-nav { grid-template-columns: 1fr; text-align: center; }
    .footer-heading { margin-bottom: var(--spacing-md); }
    .footer-contact p { justify-content: center; }

    .cta-wrapper { padding: var(--spacing-xl) var(--spacing-lg); }
    .cta-title { font-size: 1.8rem; }
    .cta-wrapper::before { display: none; }

    
    .color-palette-hero {
        min-height: 50vh;
        padding-top: calc(var(--spacing-xxl) + 80px);
        padding-bottom: var(--spacing-xl);
    }

    .color-palette-hero-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }
    .color-palette-hero-description {
        font-size: clamp(0.9rem, 2vw, 1.1rem);
        margin-bottom: var(--spacing-lg);
    }

    .color-filter-section {
        padding-top: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
    }

    .color-filter-controls {
        gap: var(--spacing-sm);
        justify-content: flex-start;
    }

    .color-filter-group {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
        flex-grow: 1;
        min-width: 150px;
    }

    .color-filter-group label {
        margin-right: var(--spacing-xxs);
    }

    .color-filter-group input[type="range"] {
        width: 100px;
    }

    .reset-filters-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
        margin-top: var(--spacing-sm);
        width: 100%;
    }

    .color-grid {
        gap: var(--spacing-sm);
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    }

    .color-card {
        font-size: 0.65rem;
    }

    
    .color-detail-card {
        padding: var(--spacing-lg);
        width: 95%;
    }
    .detail-swatch {
        width: 100px;
        height: 100px;
        margin-bottom: var(--spacing-md);
    }
    .detail-name { font-size: 1.4rem; margin-bottom: var(--spacing-sm); }
    .detail-code { font-size: 0.9rem; margin-bottom: var(--spacing-md); }
    .detail-info { gap: var(--spacing-sm); margin-bottom: var(--spacing-lg); }
    .info-item { padding: var(--spacing-sm); }
    .info-item strong { font-size: 0.8rem; }
    .info-item span { font-size: 0.9rem; }
    .product-applicability li .symbol { font-size: 1.1rem; width: 20px; }
    .detail-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
        margin-top: var(--spacing-lg);
    }
    .detail-actions .btn {
        width: 100%;
        min-width: unset;
        padding: var(--spacing-sm);
        font-size: 0.85rem;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
        --spacing-xxl: 3rem;
    }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .hero-title {
        font-size: 2rem;
        line-height: 1.25;
        margin-bottom: var(--spacing-sm);
    }
    .hero-description {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-md);
    }
    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-buttons .btn { width: 100%; }

    .hero-visual {
        max-width: 95%;
        margin-top: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    .hero-image-composition {
        aspect-ratio: 16/9;
    }

    .btn { padding: 0.75rem 1.5rem; font-size: 0.875rem; }
    .btn-large { padding: 0.875rem 2rem; }

    .back-to-top { width: 2.5rem; height: 2.5rem; bottom: 1rem; right: 1rem; font-size: 0.8rem;}

    .section-header { margin-bottom: var(--spacing-lg); }
    .section-title { font-size: 1.8rem; }
    .section-description { font-size: 1rem; }

    .case-info { padding: var(--spacing-md); }
    .case-title { font-size: 1.5rem; }

    
    .color-palette-hero {
        min-height: 40vh;
        padding-top: calc(var(--spacing-xl) + 80px);
        padding-bottom: var(--spacing-lg);
    }
    .color-palette-hero-title { font-size: 1.8rem; }
    .color-palette-hero-description { font-size: 0.85rem; }

    .color-filter-section {
        padding-top: var(--spacing-lg);
        padding-bottom: var(--spacing-lg);
    }

    .color-grid {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
        gap: var(--spacing-xs);
    }
    .color-card {
        font-size: 0.6rem;
    }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .nav-links {
    transition-duration: 0.01ms !important;
  }
  .mobile-menu-toggle span {
    transition-duration: 0.01ms !important;
  }
}

/* ------------------------------------------------------------------
[新增的修正]
------------------------------------------------------------------
*/
/* 解決 magazine_detail 頁面在 mobile RWD 中，麵包屑與 header 重疊的問題 */
.magazine-detail.section-padding {
    margin-top: 80px; /* 為內容區塊增加上邊距，使其從固定導航欄下方開始，80px 約為導航欄的高度 */
}
/*
------------------------------------------------------------------
*/


/* --- magazine.html 特殊樣式 --- */
.magazine-card .product-image-wrapper {
    padding-top: 141.4%;
    background-color: var(--color-bg-dark);
}
.magazine-card .product-title {
    font-size: 1.2rem;
}
.magazine-card .product-description {
    font-size: 0.85rem;
     min-height: 3.5em;
}
.magazine-card .product-link {
    margin-top: var(--spacing-md);
}

/* --- COLOR.html 特殊樣式 --- */

.color-palette-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xxl) var(--container-padding);
    background-color: var(--color-bg-light);
}

.color-palette-hero-content { z-index: var(--z-content); position: relative; }
.color-palette-hero-title { font-size: clamp(2.5rem, 6vw, 4rem); line-height: 1.1; margin-bottom: var(--spacing-md); color: var(--color-secondary-dark); font-weight: var(--font-weight-black); }
.color-palette-hero-description { font-size: clamp(1rem, 2.5vw, 1.25rem); color: var(--color-secondary-light); max-width: 800px; margin: 0 auto var(--spacing-xl); }

.color-filter-section { padding: var(--spacing-xxl) 0; background-color: var(--color-bg); }

.color-filter-controls {
    display: flex; flex-wrap: wrap; justify-content: center;
    gap: var(--spacing-md); margin-bottom: var(--spacing-xl);
    padding: 0 var(--container-padding);
}

.color-filter-group {
    display: flex; align-items: center; background-color: var(--color-bg-light);
    border-radius: var(--radius-lg); padding: var(--spacing-sm); box-shadow: var(--shadow-sm);
}

.color-filter-group label {
    font-size: 0.95rem; color: var(--color-secondary);
    font-weight: var(--font-weight-medium); margin-right: var(--spacing-sm);
}

.color-filter-group select, .color-filter-group input[type="range"] {
    border: none; background: transparent; font-family: var(--font-family-sans);
    font-size: 0.95rem; color: var(--color-secondary-dark); outline: none;
}

.color-filter-group select {
    padding: var(--spacing-xs) var(--spacing-sm); border-radius: var(--radius-sm);
    cursor: pointer; transition: background-color var(--transition-fast);
}
.color-filter-group select:hover { background-color: var(--color-bg); }

.color-filter-group input[type="range"] {
    width: 120px; height: 8px; border-radius: 5px;
    background: var(--color-border); margin: 0 var(--spacing-xs);
    -webkit-appearance: none; appearance: none;
}

.color-filter-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none; width: 18px; height: 18px;
    border-radius: 50%; background: var(--color-primary); cursor: grab;
    box-shadow: var(--shadow-sm); transition: transform var(--transition-fast);
}
.color-filter-group input[type="range"]::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(1.1); }

.reset-filters-btn { margin-left: var(--spacing-md); }

.color-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: var(--spacing-md); max-width: var(--container-max-width); margin: 0 auto;
}

.color-card {
    position: relative; aspect-ratio: 1.2 / 1; border-radius: var(--radius-md);
    overflow: hidden; cursor: pointer; transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
    justify-content: flex-end; padding: var(--spacing-xs);
    text-shadow: 0 1px 2px rgba(0,0,0,0.3); border: 1px solid rgba(0,0,0,0.05);
}
.color-card:hover { transform: translateY(-5px) scale(1.05); box-shadow: var(--shadow-lg); z-index: var(--z-content); }

.color-card .color-name {
    font-size: 0.9rem; font-weight: var(--font-weight-bold);
    background-color: rgba(0,0,0,0.15); padding: 2px 5px; border-radius: var(--radius-sm);
}

.featured-icon {
    position: absolute; top: var(--spacing-xs); left: var(--spacing-xs);
    font-size: 0.8rem; color: var(--color-primary);
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

/* Modal Styles */
.color-detail-modal-overlay {
    position: fixed; inset: 0; background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px); z-index: var(--z-modal); display: flex;
    align-items: flex-start; justify-content: center; overflow-y: auto;
    padding: var(--spacing-lg) 0; opacity: 0; visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}
.color-detail-modal-overlay.active { opacity: 1; visibility: visible; }

.color-detail-card {
    background-color: var(--color-bg); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg); max-width: 600px; width: 90%;
    padding: var(--spacing-xl); display: flex; flex-direction: column;
    align-items: center; text-align: center; transform: translateY(20px) scale(0.9);
    opacity: 0; transition: transform var(--transition-normal), opacity var(--transition-normal);
    position: relative; margin: auto;
}
.color-detail-modal-overlay.active .color-detail-card { transform: translateY(0) scale(1); opacity: 1; }

.color-detail-card .close-btn { position: absolute; top: var(--spacing-md); right: var(--spacing-md); font-size: 1.5rem; color: var(--color-secondary-light); transition: color var(--transition-fast); }
.color-detail-card .close-btn:hover { color: var(--color-primary); }

.detail-swatch { width: 150px; height: 150px; border-radius: var(--radius-full); border: 5px solid rgba(0,0,0,0.05); margin-bottom: var(--spacing-lg); box-shadow: var(--shadow-md); }
.detail-name { font-size: 1.8rem; font-weight: var(--font-weight-bold); color: var(--color-secondary-dark); margin-bottom: var(--spacing-sm); }
.detail-code { font-size: 1.1rem; color: var(--color-secondary-light); margin-bottom: var(--spacing-lg); }

.detail-info { width: 100%; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--spacing-md); margin-bottom: var(--spacing-xl); }
.info-item { background-color: var(--color-bg-light); padding: var(--spacing-md); border-radius: var(--radius-md); text-align: left; border: 1px solid var(--color-border); }
.info-item strong { display: block; font-size: 0.9rem; color: var(--color-secondary); margin-bottom: var(--spacing-xs); }
.info-item span { font-size: 1rem; color: var(--color-primary-dark); font-weight: var(--font-weight-medium); }
.info-item i { margin-right: var(--spacing-xs); color: var(--color-secondary-light); }

.product-applicability { grid-column: 1 / -1; }
.product-applicability ul { list-style: none; padding: 0; margin-top: var(--spacing-sm); }
.product-applicability li { display: flex; align-items: center; margin-bottom: var(--spacing-xs); color: var(--color-secondary-dark); }
.product-applicability li .symbol { font-size: 1.2rem; width: 25px; display: inline-block; text-align: center; margin-right: var(--spacing-sm); color: var(--color-secondary); }

/* 新增 Hero 背景樣式 */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: var(--z-base);
}

.hero-background-blob {
    position: absolute;
    border-radius: 50%;
    opacity: 0;
    filter: blur(45px);
    animation: floatAndFade 15s infinite alternate;
}

@keyframes floatAndFade {
    0% {
        transform: translate(var(--start-x), var(--start-y)) scale(0.8);
        opacity: 0;
    }
    50% {
        opacity: 0.15;
    }
    100% {
        transform: translate(var(--end-x), var(--end-y)) scale(1.2);
        opacity: 0;
    }
}

/* --- contact.html 特殊樣式 --- */
.contact-form {
    max-width: 700px;
    margin: 0 auto;
}
.form-group {
    margin-bottom: var(--spacing-md);
}
.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary-dark);
}
.form-control {
    display: block;
    width: 100%;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    line-height: var(--line-height-normal);
    color: var(--color-secondary);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control:focus {
    border-color: var(--color-primary);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(var(--color-primary-rgb), 0.25);
}
textarea.form-control {
    min-height: 150px;
    resize: vertical;
}
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: flex-start;
}
.contact-info-box {
     background-color: var(--color-bg-light);
     padding: var(--spacing-lg);
     border-radius: var(--radius-md);
}
.contact-info-box h3 {
     margin-top: 0;
     margin-bottom: var(--spacing-lg);
     border-bottom: 2px solid var(--color-primary);
     padding-bottom: var(--spacing-sm);
     display: inline-block;
}
.contact-info-box p {
     display: flex;
     align-items: flex-start;
     gap: var(--spacing-sm);
     margin-bottom: var(--spacing-md);
     color: var(--color-secondary-light);
}
.contact-info-box i {
     color: var(--color-primary-dark);
     font-size: 1.1rem;
     margin-top: 3px;
     width: 1.2em;
     text-align: center;
}
.map-container {
     position: relative;
     width: 100%;
     padding-top: 56.25%;
     overflow: hidden;
     border-radius: var(--radius-md);
     box-shadow: var(--shadow-sm);
     margin-top: var(--spacing-lg);
 }
 .map-container iframe {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 100%;
     border: 0;
 }
}
}