/* 九茂電梯官方網站 - 名片風格設計系統 */

/* ===== 基礎設定 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 三個色調配色方案 - 參考名片設計 */
    --color-white: #ffffff; /* 白色 */
    --color-dark-purple: #2d1b4e; /* 深紫色 - 第一個三角形 */
    --color-slate-blue: #5a6c7d; /* 淺藍灰色 - 第二個三角形 */
    --primary-dark: #1a2332; /* 深藍紫色 - 備用深色 */
    --primary-dark-alt: #2d3a4f; /* 深藍紫色變體 */
    --primary-accent: #3d4f6b; /* 深藍紫色強調色 */
    --text-dark: #1a1a1a; /* 深色文字 */
    --text-light: #ffffff; /* 淺色文字 */
    --bg-white: #ffffff; /* 白色背景 */
    --bg-light: #f8f9fa; /* 淺灰背景 */
    --border-color: #e0e0e0; /* 邊框顏色 */
    --accent-color: #4a6fa5; /* 強調色（用於連結等） */
    --shadow-light: rgba(0, 0, 0, 0.08); /* 淺陰影 */
    --shadow-medium: rgba(0, 0, 0, 0.12); /* 中等陰影 */
}

body {
    font-family: 'Noto Sans TC', 'Microsoft JhengHei', '微軟正黑體', Arial, sans-serif;
    color: var(--text-dark);
    background-color: #f5f5f5;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== 三個三角形對角線切割效果 ===== */
.diagonal-section {
    position: relative;
    background: var(--color-white);
    color: var(--text-dark);
    padding: 80px 20px;
    overflow: hidden;
}

/* 第一個三角形 - 深紫色（從右上角延伸，類似名片） */
.diagonal-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: var(--color-dark-purple);
    /* 從右上角向左下延伸的三角形，形成對角線切割 */
    clip-path: polygon(45% 0, 100% 0, 100% 55%, 35% 100%, 0 100%, 0 35%);
    z-index: 1;
}

/* 第二個三角形 - 淺藍灰色（在第一個下方，平行延伸） */
.diagonal-section::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: var(--color-slate-blue);
    /* 從右側延伸，在深紫色下方，形成第二層三角形 */
    clip-path: polygon(55% 0, 100% 0, 100% 65%, 45% 100%, 0 100%, 0 45%);
    z-index: 2;
}

.diagonal-section .content {
    position: relative;
    z-index: 3;
}

/* 確保內容在正確的 z-index 層級 */
.diagonal-section .content > * {
    position: relative;
    z-index: 4;
}

/* 深色區域內的文字使用白色 */
.diagonal-section .content h1,
.diagonal-section .content h2,
.diagonal-section .content h3,
.diagonal-section .content p {
    color: var(--text-dark);
}

/* 當文字在深色區域時，使用白色 */
.diagonal-section .content h1.dark-bg-text,
.diagonal-section .content h2.dark-bg-text,
.diagonal-section .content p.dark-bg-text {
    color: var(--text-light);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.diagonal-section-white {
    background: var(--bg-white);
    color: var(--text-dark);
    position: relative;
}

.diagonal-section-white::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-white);
    clip-path: polygon(70% 0, 100% 0, 100% 100%, 0 100%);
    z-index: 1;
}

/* ===== 導航列 ===== */
.navbar {
    background: var(--bg-white);
    box-shadow: 0 4px 20px var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0;
    transition: box-shadow 0.3s;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-dark);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo span {
    color: var(--primary-dark-alt);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu li a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-menu li a:hover {
    color: var(--primary-dark);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-dark);
    transition: width 0.3s;
}

.nav-menu li a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-dark);
}

/* ===== Hero 區塊 ===== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: var(--primary-dark);
    overflow: hidden;
}

.hero-dark {
    background: var(--primary-dark);
    color: var(--text-light);
}

.hero-dark .hero-text h1,
.hero-dark .hero-text .company-name,
.hero-dark .hero-text p {
    color: var(--text-light);
}

/* ===== 使用底圖的 Hero 設計 ===== */
.hero-card-style {
    background: #fff url('../images/螢幕擷取畫面 2025-12-27 224851.png') no-repeat right center;
    background-size: contain;
    position: relative;
    min-height: 500px;
    overflow: hidden;
}

@media (min-width: 1600px) {
    .hero-card-style {
        background-size: cover;
    }
}

.hero-card-style .hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    min-height: 500px;
    display: flex;
    position: relative;
    z-index: 10;
}

.hero-left {
    flex: 1;
    padding: 80px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-right: 40%; /* 留出空間顯示背景圖的三角形 */
    background: transparent;
}

.hero-left h1 {
    font-size: 52px;
    font-weight: bold;
    margin-bottom: 25px;
    color: var(--text-dark);
    line-height: 1.2;
}

.hero-left .company-name {
    color: var(--primary-dark);
    font-size: 64px;
    display: block;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.hero-left .hero-subtitle {
    font-size: 18px;
    color: #444;
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-action-area {
    display: flex;
    flex-direction: column;
    gap: 25px;
    align-items: flex-start;
}

/* 認證標章容器 */
.cert-badges-container {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 15px;
}

.cert-badge-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 50px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.cert-badge-item:hover {
    transform: translateX(5px);
    border-color: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.cert-badge-icon {
    font-size: 18px;
    line-height: 1;
}

.cert-badge-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-dark);
    letter-spacing: 0.5px;
}

/* 移除舊的拼接形狀代碼 */
.hero-shapes {
    display: none;
}

/* 垂直文字定位 */
.vertical-text {
    position: absolute;
    top: 50%;
    right: 50px;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-size: 52px;
    font-weight: bold;
    color: var(--text-light);
    letter-spacing: 12px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}


@media (max-width: 768px) {
    .hero-card-style {
        background: #fff; /* 手機版不使用底圖以保持可讀性 */
        min-height: auto;
    }
    .hero-card-style .hero-content {
        flex-direction: column;
        padding: 40px 20px;
    }
    .hero-left {
        padding-right: 0;
        text-align: center;
    }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 10;
}

.hero-text {
    z-index: 11;
    position: relative;
}

.hero-text h1 {
    font-size: 52px;
    font-weight: bold;
    margin-bottom: 25px;
    color: var(--text-light);
    line-height: 1.2;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-text .company-name {
    color: var(--text-light);
    font-size: 64px;
    display: block;
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-text p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 35px;
    line-height: 1.8;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.hero-accent {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    color: var(--text-light);
    padding: 40px 30px;
    position: relative;
    z-index: 11;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-accent .certifications {
    margin: 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.cert-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
}

.cert-badge:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.cert-icon {
    font-size: 24px;
    color: #4ade80;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

.hero-accent .cert-title {
    font-size: 16px;
    line-height: 1.6;
    font-weight: 600;
    color: var(--text-light);
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
    letter-spacing: 1px;
    margin: 0;
    writing-mode: vertical-rl;
    text-orientation: upright;
}

/* ===== 按鈕 ===== */
.btn {
    display: inline-block;
    padding: 16px 40px;
    background: var(--text-light);
    color: var(--primary-dark);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s;
    font-weight: 700;
    border: none;
    cursor: pointer;
    font-size: 18px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    letter-spacing: 1px;
    position: relative;
    z-index: 12;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

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

.btn-outline:hover {
    background: var(--primary-dark);
    color: var(--text-light);
}

/* ===== 區塊樣式 ===== */
.section {
    padding: 100px 20px;
    background: var(--bg-white);
    transition: background 0.3s;
}

/* 過渡區塊 - 淺色背景 */
.section-transition {
    background: var(--bg-light);
}

/* 深色區塊樣式 */
.section-dark {
    background: var(--primary-dark);
    color: var(--text-light);
    padding: 100px 20px;
}

.section-dark-alt {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-dark-alt) 100%);
    color: var(--text-light);
    padding: 100px 20px;
}

.section-dark .section-title,
.section-dark-alt .section-title {
    color: var(--text-light);
}

.section-dark .section-title::after,
.section-dark-alt .section-title::after {
    background: var(--text-light);
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 50px;
    font-weight: 300;
}


.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 60px;
    color: var(--primary-dark);
    position: relative;
    padding-bottom: 25px;
    letter-spacing: 1px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary-dark), transparent);
    border-radius: 2px;
}

/* ===== 卡片樣式 ===== */
.card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 35px;
    transition: transform 0.3s, box-shadow 0.3s;
    height: 100%;
    box-shadow: 0 2px 12px var(--shadow-light);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--shadow-medium);
    border-color: var(--primary-dark);
}

/* 提升卡片樣式 */
.card-elevated {
    box-shadow: 0 4px 20px var(--shadow-light);
}

.card-elevated:hover {
    box-shadow: 0 8px 30px var(--shadow-medium);
    transform: translateY(-8px);
}

.card-title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.card-content {
    color: var(--text-dark);
    line-height: 1.8;
}

/* ===== 網格布局 ===== */
.grid {
    display: grid;
    gap: 30px;
}

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

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

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ===== 服務項目 ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-item {
    text-align: center;
    padding: 35px 25px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s;
    box-shadow: 0 2px 10px var(--shadow-light);
}

.service-item:hover {
    border-color: var(--primary-dark);
    transform: translateY(-8px);
    box-shadow: 0 8px 25px var(--shadow-medium);
    background: var(--bg-white);
}

.service-item-dark {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.service-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-dark);
    font-weight: bold;
    letter-spacing: 1px;
}

.service-item.service-item-dark h3 {
    color: #ffffff;
    font-weight: bold;
    font-size: 32px;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.9);
    margin-bottom: 15px;
    letter-spacing: 3px;
}

.service-item-dark p {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.service-item-dark:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.service-item ul {
    list-style: none;
    text-align: left;
    margin-top: 15px;
}

.service-item ul li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.service-item ul li:last-child {
    border-bottom: none;
}

/* ===== 聯絡資訊 ===== */
.contact-info {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px var(--shadow-light);
    transition: transform 0.3s, box-shadow 0.3s;
}

.contact-info:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-medium);
}

.contact-info-light {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
}

.contact-info-light h3 {
    color: var(--primary-dark);
    margin-bottom: 25px;
    font-size: 22px;
}

.location-item {
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.location-item:last-child {
    border-bottom: none;
}

.location-item p {
    color: var(--text-dark);
    line-height: 1.8;
    margin: 0;
}

.btn-contact-node {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: #ffffff;
    color: var(--primary-dark);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-contact-node:hover {
    background: var(--primary-dark);
    color: #ffffff;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-contact-node i {
    font-size: 18px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-size: 16px;
}

.contact-item strong {
    min-width: 80px;
    color: var(--primary-dark);
    margin-right: 15px;
}

.contact-item a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-item a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ===== 營業處據點 ===== */
.locations {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.location-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    position: relative;
    box-shadow: 0 2px 12px var(--shadow-light);
    transition: all 0.3s;
}

.location-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-medium);
    border-color: var(--primary-dark);
}


.location-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.location-card p {
    color: var(--text-dark);
    line-height: 1.8;
}

/* ===== 建置中提示 ===== */
.under-construction {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-white);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    margin: 40px 0;
}

.under-construction-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.under-construction h3 {
    font-size: 24px;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.under-construction p {
    color: var(--text-dark);
    font-size: 16px;
}

/* ===== 頁尾 ===== */
.footer {
    background: var(--primary-dark);
    color: var(--text-light);
    padding: 60px 20px 30px;
    position: relative;
    overflow: hidden;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
    margin-top: 0;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-contact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-qr-code {
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 12px;
}

.footer-qr-code img {
    width: 140px;
    height: 140px;
    display: block;
    margin: 0 auto 10px;
    border-radius: 8px;
    background: #fff;
    padding: 5px;
}

.footer-qr-code p {
    color: var(--text-light) !important;
    font-size: 14px !important;
    font-weight: 600;
    margin: 0 !important;
}

.footer-contact-section h3 {
    color: var(--text-light);
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: bold;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 15px;
}

.footer-contact-item strong {
    min-width: 80px;
    color: rgba(255, 255, 255, 0.9);
    margin-right: 10px;
}

.footer-contact-item a,
.footer-contact-item span {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-contact-item a:hover {
    color: var(--text-light);
    text-decoration: underline;
}

.footer-location-item {
    margin-bottom: 15px;
}

.footer-location-item p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin: 0;
    font-size: 15px;
}

.footer-location-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-location-item a:hover {
    color: var(--text-light);
    text-decoration: underline;
}

.footer-location-item strong {
    color: var(--text-light);
}

.footer-info {
    text-align: center;
    padding-top: 30px;
}

.footer-info p {
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer a {
    color: var(--text-light);
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer a:hover {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .footer-contact {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ===== 響應式設計 ===== */
@media (max-width: 1024px) {
    .hero-card-style .hero-content {
        padding-right: 35%;
    }
    .hero-left h1 {
        font-size: 42px;
    }
    .hero-left .company-name {
        font-size: 52px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: block;
    }

    /* Hero 區塊手機版底圖優化 */
    .hero-card-style {
        background: #fff url('../images/螢幕擷取畫面 2025-12-27 224851.png') no-repeat center right;
        background-size: cover;
        min-height: 450px;
        padding: 60px 0;
        position: relative;
    }

    /* 加入一個微弱的白色漸層遮罩，確保文字清晰 */
    .hero-card-style::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.4) 100%);
        z-index: 1;
    }

    .hero-card-style .hero-content {
        flex-direction: column;
        padding: 0 20px;
        text-align: center;
        min-height: auto;
        position: relative;
        z-index: 10;
    }

    .hero-left {
        padding: 0;
        padding-right: 0;
        align-items: center;
    }

    .hero-left h1 {
        font-size: 32px;
        text-shadow: 0 0 15px #fff, 0 0 5px #fff;
    }

    .hero-left .company-name {
        font-size: 38px;
        text-shadow: 0 0 15px #fff, 0 0 5px #fff;
    }

    .hero-left .hero-subtitle {
        font-size: 15px;
        margin-bottom: 30px;
        text-shadow: 0 0 10px #fff;
        font-weight: 500;
    }

    .hero-action-area {
        align-items: center;
        width: 100%;
    }

    .cert-badges-container {
        justify-content: center;
        width: 100%;
    }

    .cert-badge-item {
        padding: 6px 12px;
    }

    .cert-badge-text {
        font-size: 13px;
    }

    /* 區塊間距優化 */
    .section {
        padding: 60px 20px;
    }

    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    /* 網格切換為單欄 */
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    /* 頁尾優化 */
    .footer-contact {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-contact-item {
        justify-content: center;
    }

    .footer-qr-code img {
        width: 120px;
        height: 120px;
    }
}

@media (max-width: 480px) {
    .hero-left h1 {
        font-size: 28px;
    }

    .hero-left .company-name {
        font-size: 32px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .logo {
        font-size: 20px;
    }

    .btn {
        width: 100%;
        padding: 14px 20px;
    }
}

/* ===== 動畫效果 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== 表單樣式 ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-dark);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}