/* ============================================================
   全局重置 & 基础样式
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
}

body {
    background-color: #0b1a2e;
    color: #e2e8f0;
}

/* ============================================================
   顶部导航
   ============================================================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(8, 18, 34, 0.96);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    padding: 0 2rem;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.nav-brand .logo-icon {
    background: linear-gradient(135deg, #D96717, #f59e0b);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    color: #0b1a2e;
    box-shadow: 0 4px 8px rgba(217, 103, 23, 0.3);
}

.nav-brand .brand-name {
    color: white;
    font-weight: 600;
    font-size: 1.35rem;
    letter-spacing: 1px;
}

.nav-brand .brand-name span {
    color: #D96717;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.2rem;
    list-style: none;
}

.nav-menu li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.4rem 0.1rem;
    border-bottom: 2px solid transparent;
    transition: 0.2s;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: #D96717;
    border-bottom-color: #D96717;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

/* 桌面端语言切换 */
.lang-switch-wrapper {
    position: relative;
    display: inline-block;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.06);
    padding: 0.3rem 1rem;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: 0.2s;
    user-select: none;
}

.lang-switch:hover {
    background: rgba(217, 103, 23, 0.08);
    border-color: rgba(217, 103, 23, 0.2);
}

.lang-switch i {
    color: #D96717;
}

.lang-switch .arrow {
    font-size: 0.6rem;
    transition: transform 0.25s;
    color: rgba(255, 255, 255, 0.3);
}

.lang-switch .arrow.open {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: rgba(8, 18, 34, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px 4px 16px 4px;
    padding: 0.5rem 0;
    min-width: 160px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.96);
    transition: all 0.25s ease;
    z-index: 1000;
    pointer-events: none;
}

.lang-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.lang-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.5rem 1.4rem;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 400;
    transition: 0.2s;
    border-left: 2px solid transparent;
}

.lang-dropdown a:hover {
    background: rgba(217, 103, 23, 0.06);
    color: #fff;
    border-left-color: #D96717;
}

.lang-dropdown a .lang-code {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.2);
    font-weight: 300;
}

.lang-dropdown a.active {
    color: #D96717;
    border-left-color: #D96717;
}

.lang-dropdown a.active .lang-code {
    color: #D96717;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px 4px;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    background: #f0f4ff;
    border-radius: 4px;
    transition: 0.25s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(8, 18, 34, 0.98);
    backdrop-filter: blur(8px);
    padding: 1.5rem 2rem 2rem;
    flex-direction: column;
    gap: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 998;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: 0.3s ease;
}

.mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-menu a:hover,
.mobile-menu a.active {
    color: #D96717;
}

/* 移动端语言选择 */
.mobile-lang-section {
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    margin-top: 0.5rem;
}

.mobile-lang-section .mobile-lang-label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.15);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.6rem;
}

.mobile-lang-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mobile-lang-options a {
    display: inline-block;
    padding: 0.3rem 1rem;
    border-radius: 40px;
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    font-weight: 400;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: 0.2s;
    text-decoration: none;
    border-bottom: none;
}

.mobile-lang-options a:hover {
    background: rgba(217, 103, 23, 0.08);
    color: #fff;
}

.mobile-lang-options a.active {
    background: rgba(217, 103, 23, 0.12);
    color: #D96717;
    border-color: rgba(217, 103, 23, 0.2);
}

/* ============================================================
   Banner 轮播
   ============================================================ */
.banner-section {
    width: 100%;
    position: relative;
    overflow: hidden;
    background: #0b1f33;
}

.banner-slider {
    display: flex;
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.banner-slide {
    flex: 0 0 100%;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    padding: 0 5%;
    position: relative;
}

.slide-1 {
    background: linear-gradient(135deg, #0f2a44 0%, #1a3a5e 100%), url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI4MCIgaGVpZ2h0PSI4MCIgdmlld0JveD0iMCAwIDgwIDgwIj48cmVjdCB3aWR0aD0iODAiIGhlaWdodD0iODAiIGZpbGw9IiMxYzNlNjMiLz48Y2lyY2xlIGN4PSI0MCIgY3k9IjQwIiByPSIxNSIgZmlsbD0iI0Q5NjcxNyIgb3BhY2l0eT0iMC4xNSIvPjwvc3ZnPg==');
    background-blend-mode: overlay;
}

.slide-2 {
    background: linear-gradient(145deg, #0a1e32 0%, #1b3f62 100%), url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI4MCIgaGVpZ2h0PSI4MCIgdmlld0JveD0iMCAwIDgwIDgwIj48cmVjdCB3aWR0aD0iODAiIGhlaWdodD0iODAiIGZpbGw9IiMxYzNlNjMiLz48cGF0aCBkPSJNMjAgNDAgbDE1LTE1IDE1IDE1LTE1IDEweiIgZmlsbD0iI0Q5NjcxNyIgb3BhY2l0eT0iMC4xIi8+PC9zdmc+');
    background-blend-mode: overlay;
}

.slide-3 {
    background: linear-gradient(135deg, #0f2640 0%, #1e4a6e 100%), url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI4MCIgaGVpZ2h0PSI4MCIgdmlld0JveD0iMCAwIDgwIDgwIj48cmVjdCB3aWR0aD0iODAiIGhlaWdodD0iODAiIGZpbGw9IiMxYzNlNjMiLz48Y2lyY2xlIGN4PSI0MCIgY3k9IjQwIiByPSI4IiBmaWxsPSIjRDk2NzE3IiBvcGFjaXR5PSIwLjEiLz48L3N2Zz4=');
    background-blend-mode: overlay;
}

.banner-content {
    max-width: 680px;
    width: 100%;
    color: #fff;
    text-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    margin-left: 2%;
}

.banner-content .sub-label {
    display: inline-block;
    background: rgba(217, 103, 23, 0.15);
    padding: 0.3rem 1.2rem;
    border-radius: 40px;
    font-size: 0.8rem;
    letter-spacing: 2px;
    font-weight: 500;
    color: #D96717;
    border: 1px solid rgba(217, 103, 23, 0.2);
    margin-bottom: 1.5rem;
}

.banner-content h1 {
    font-size: clamp(2.2rem, 8vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.banner-content h1 .highlight {
    color: #D96717;
}

.banner-content .tagline {
    font-size: clamp(1rem, 2.5vw, 1.6rem);
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: 0.7rem;
}

.banner-content .model-name {
    font-size: clamp(1.3rem, 3vw, 2.2rem);
    font-weight: 600;
    margin: 0.8rem 0 1.8rem;
    background: linear-gradient(90deg, #D96717, #f59e0b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(145deg, #D96717, #f59e0b);
    color: #fff;
    font-weight: 600;
    padding: 0.8rem 2.8rem;
    border-radius: 60px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(217, 103, 23, 0.25);
    transition: 0.25s;
    font-size: 1rem;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: scale(1.04);
    box-shadow: 0 12px 30px rgba(217, 103, 23, 0.4);
    background: #f59e0b;
}

.banner-controls {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 14px;
    z-index: 20;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: 0.25s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dot.active {
    background: #D96717;
    width: 32px;
    border-radius: 20px;
    box-shadow: 0 0 16px #D96717;
}

/* ============================================================
   横屏模块 (My Energy, My Choice)
   ============================================================ */
.module-wrapper {
    background: #0b1a2e;
    padding: 0.5rem 0;
}

.energy-row {
    max-width: 1360px;
    margin: 0 auto;
    padding: 3.2rem 2rem;
    display: flex;
    align-items: center;
    gap: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.energy-row:last-child {
    border-bottom: none;
}

.row-text {
    flex: 1 1 55%;
    min-width: 280px;
}

.row-text .main-title {
    font-size: clamp(2rem, 4.5vw, 3.6rem);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.1;
    margin-bottom: 0.2rem;
}

.row-text .main-title .highlight {
    color: #D96717;
    background: linear-gradient(145deg, #D96717, #f59e0b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.row-text .sub-line {
    font-size: clamp(1.1rem, 1.8vw, 1.6rem);
    font-weight: 400;
    color: #b8c9e0;
    margin: 0.4rem 0 0.6rem;
    letter-spacing: 0.5px;
}

.row-text .desc {
    font-size: clamp(0.95rem, 1.1vw, 1.1rem);
    font-weight: 300;
    color: #b0c4db;
    opacity: 0.8;
    max-width: 500px;
    padding-left: 1rem;
    border-left: 2px solid #D96717;
    margin: 0.6rem 0 1.6rem;
}

.row-text .btn-outline {
    display: inline-block;
    background: transparent;
    color: #ffffff;
    font-weight: 500;
    padding: 0.6rem 2.4rem;
    border-radius: 60px;
    text-decoration: none;
    border: 1.5px solid #D96717;
    transition: 0.25s;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.row-text .btn-outline:hover {
    background: #D96717;
    color: #fff;
    box-shadow: 0 8px 24px rgba(217, 103, 23, 0.25);
    transform: translateY(-2px);
}

.row-image {
    flex: 1 1 40%;
    min-width: 220px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.row-image .img-placeholder {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 4 / 3;
    background: linear-gradient(145deg, #1f344a, #162a3e);
    border-radius: 24px 8px 24px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transition: 0.3s;
    color: rgba(255, 255, 255, 0.15);
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.row-image .img-placeholder:hover {
    border-color: rgba(217, 103, 23, 0.2);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.row-image .img-placeholder i {
    font-size: 3.6rem;
    opacity: 0.2;
    color: #D96717;
    margin-right: 12px;
}

.row-image .img-placeholder span {
    background: rgba(10, 25, 47, 0.5);
    padding: 0.3rem 1.6rem;
    border-radius: 60px;
    font-weight: 300;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

/* 每一行微差异 */
.energy-row[data-theme="1"] .desc {
    border-left-color: #D96717;
}
.energy-row[data-theme="1"] .highlight {
    color: #D96717;
    background: linear-gradient(145deg, #D96717, #f59e0b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.energy-row[data-theme="1"] .btn-outline {
    border-color: #D96717;
    color: #D96717;
}
.energy-row[data-theme="1"] .btn-outline:hover {
    background: #D96717;
    color: #fff;
}

.energy-row[data-theme="2"] .desc {
    border-left-color: #60a5fa;
}
.energy-row[data-theme="2"] .highlight {
    color: #60a5fa;
    background: linear-gradient(145deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.energy-row[data-theme="2"] .btn-outline {
    border-color: #60a5fa;
    color: #60a5fa;
}
.energy-row[data-theme="2"] .btn-outline:hover {
    background: #60a5fa;
    color: #0b1a2e;
}

.energy-row[data-theme="3"] .desc {
    border-left-color: #34d399;
}
.energy-row[data-theme="3"] .highlight {
    color: #34d399;
    background: linear-gradient(145deg, #34d399, #10b981);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.energy-row[data-theme="3"] .btn-outline {
    border-color: #34d399;
    color: #34d399;
}
.energy-row[data-theme="3"] .btn-outline:hover {
    background: #34d399;
    color: #0b1a2e;
}

.energy-row[data-theme="4"] .desc {
    border-left-color: #f472b6;
}
.energy-row[data-theme="4"] .highlight {
    color: #f472b6;
    background: linear-gradient(145deg, #f472b6, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.energy-row[data-theme="4"] .btn-outline {
    border-color: #f472b6;
    color: #f472b6;
}
.energy-row[data-theme="4"] .btn-outline:hover {
    background: #f472b6;
    color: #0b1a2e;
}

/* ============================================================
   产品列表
   ============================================================ */
.page-header {
    max-width: 1360px;
    margin: 0 auto;
    padding: 2.5rem 2rem 0.5rem;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    color: #fff;
}

.page-header h1 span {
    color: #D96717;
}

.page-header p {
    color: rgba(255, 255, 255, 0.3);
    font-weight: 300;
    letter-spacing: 1px;
    margin-top: 0.3rem;
    font-size: 0.95rem;
}

.page-divider {
    width: 60px;
    height: 3px;
    background: #D96717;
    margin-top: 0.8rem;
    border-radius: 4px;
}

.product-row {
    max-width: 1360px;
    margin: 0 auto;
    padding: 3rem 2rem;
    display: flex;
    align-items: center;
    gap: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.product-row:last-child {
    border-bottom: none;
}

.product-text {
    flex: 1 1 55%;
    min-width: 280px;
}

.product-text .product-tag {
    display: inline-block;
    color: #D96717;
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: rgba(217, 103, 23, 0.08);
    padding: 0.2rem 1.2rem;
    border-radius: 40px;
    border-left: 3px solid #D96717;
    margin-bottom: 0.6rem;
    font-weight: 500;
}

.product-text h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.2;
}

.product-text h2 .highlight {
    color: #D96717;
    background: linear-gradient(145deg, #D96717, #f59e0b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.product-text .sub-title {
    font-size: clamp(1rem, 1.5vw, 1.3rem);
    font-weight: 400;
    color: #b8c9e0;
    margin: 0.3rem 0 0.6rem;
    letter-spacing: 0.5px;
}

.product-text .desc {
    font-size: clamp(0.9rem, 1vw, 1.05rem);
    font-weight: 300;
    color: #b0c4db;
    opacity: 0.75;
    max-width: 520px;
    padding-left: 1rem;
    border-left: 2px solid #D96717;
    margin: 0.4rem 0 1.2rem;
    line-height: 1.7;
}

.product-text .spec-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem 2rem;
    margin: 0.6rem 0 1.4rem;
}

.product-text .spec-list li {
    list-style: none;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 300;
}

.product-text .spec-list li strong {
    color: #fff;
    font-weight: 500;
}

.product-text .btn-outline {
    display: inline-block;
    background: transparent;
    color: #ffffff;
    font-weight: 500;
    padding: 0.6rem 2.4rem;
    border-radius: 60px;
    text-decoration: none;
    border: 1.5px solid #D96717;
    transition: 0.25s;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.product-text .btn-outline:hover {
    background: #D96717;
    color: #fff;
    box-shadow: 0 8px 24px rgba(217, 103, 23, 0.25);
    transform: translateY(-2px);
}

.product-image {
    flex: 1 1 40%;
    min-width: 220px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-image .img-placeholder {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 4 / 3;
    background: linear-gradient(145deg, #1f344a, #162a3e);
    border-radius: 24px 8px 24px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transition: 0.3s;
    color: rgba(255, 255, 255, 0.12);
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.product-image .img-placeholder:hover {
    border-color: rgba(217, 103, 23, 0.2);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.product-image .img-placeholder i {
    font-size: 3.6rem;
    opacity: 0.2;
    color: #D96717;
    margin-right: 12px;
}

.product-image .img-placeholder span {
    background: rgba(10, 25, 47, 0.5);
    padding: 0.3rem 1.6rem;
    border-radius: 60px;
    font-weight: 300;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.product-row[data-theme="1"] .desc {
    border-left-color: #D96717;
}
.product-row[data-theme="1"] .highlight {
    color: #D96717;
    background: linear-gradient(145deg, #D96717, #f59e0b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.product-row[data-theme="1"] .btn-outline {
    border-color: #D96717;
    color: #D96717;
}
.product-row[data-theme="1"] .btn-outline:hover {
    background: #D96717;
    color: #fff;
}
.product-row[data-theme="1"] .product-tag {
    border-left-color: #D96717;
    color: #D96717;
}

.product-row[data-theme="2"] .desc {
    border-left-color: #60a5fa;
}
.product-row[data-theme="2"] .highlight {
    color: #60a5fa;
    background: linear-gradient(145deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.product-row[data-theme="2"] .btn-outline {
    border-color: #60a5fa;
    color: #60a5fa;
}
.product-row[data-theme="2"] .btn-outline:hover {
    background: #60a5fa;
    color: #0b1a2e;
}
.product-row[data-theme="2"] .product-tag {
    border-left-color: #60a5fa;
    color: #60a5fa;
}

.product-row[data-theme="3"] .desc {
    border-left-color: #34d399;
}
.product-row[data-theme="3"] .highlight {
    color: #34d399;
    background: linear-gradient(145deg, #34d399, #10b981);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.product-row[data-theme="3"] .btn-outline {
    border-color: #34d399;
    color: #34d399;
}
.product-row[data-theme="3"] .btn-outline:hover {
    background: #34d399;
    color: #0b1a2e;
}
.product-row[data-theme="3"] .product-tag {
    border-left-color: #34d399;
    color: #34d399;
}

.product-row[data-theme="4"] .desc {
    border-left-color: #f472b6;
}
.product-row[data-theme="4"] .highlight {
    color: #f472b6;
    background: linear-gradient(145deg, #f472b6, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.product-row[data-theme="4"] .btn-outline {
    border-color: #f472b6;
    color: #f472b6;
}
.product-row[data-theme="4"] .btn-outline:hover {
    background: #f472b6;
    color: #0b1a2e;
}
.product-row[data-theme="4"] .product-tag {
    border-left-color: #f472b6;
    color: #f472b6;
}

/* ============================================================
   产品详情
   ============================================================ */
.detail-wrapper {
    max-width: 1360px;
    margin: 0 auto;
    padding: 2rem 2rem 1.5rem;
    display: flex;
    gap: 3.5rem;
    align-items: flex-start;
}

.detail-gallery {
    flex: 1 1 45%;
    min-width: 280px;
}

.detail-gallery .main-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: linear-gradient(145deg, #1f344a, #162a3e);
    border-radius: 24px 8px 24px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    position: relative;
}

.detail-gallery .main-image i {
    font-size: 5rem;
    opacity: 0.15;
    color: #D96717;
}

.detail-info {
    flex: 1 1 50%;
    min-width: 260px;
}

.detail-info .product-tag {
    display: inline-block;
    color: #D96717;
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: rgba(217, 103, 23, 0.08);
    padding: 0.2rem 1.2rem;
    border-radius: 40px;
    border-left: 3px solid #D96717;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.detail-info h1 {
    font-size: clamp(2rem, 3.5vw, 3.2rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.1;
}

.detail-info h1 span {
    color: #D96717;
    background: linear-gradient(145deg, #D96717, #f59e0b);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.detail-info .sub-title {
    font-size: clamp(1rem, 1.4vw, 1.3rem);
    font-weight: 400;
    color: #b8c9e0;
    margin: 0.3rem 0 0.6rem;
    letter-spacing: 0.5px;
}

.detail-info .summary {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
    font-weight: 300;
    border-left: 2px solid #D96717;
    padding-left: 1rem;
    margin: 0.8rem 0 1.2rem;
}

.full-description {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0.5rem 2rem 3rem;
}

.full-description .divider {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.04);
    margin-bottom: 2.5rem;
}

.full-description .section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.full-description .section-header h2 {
    font-size: 1.6rem;
    font-weight: 600;
    color: #fff;
}

.full-description .section-header h2 span {
    color: #D96717;
}

.full-description .section-header .line {
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.04);
}

.full-description .intro-text {
    max-width: 860px;
    margin-bottom: 2rem;
}

.full-description .intro-text p {
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.9;
    font-weight: 300;
    font-size: 0.95rem;
}

.full-description .intro-text p strong {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.full-description .intro-text p + p {
    margin-top: 1rem;
}

.full-description .feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.8rem 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px 4px 16px 4px;
    padding: 1.5rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.03);
    margin-top: 0.5rem;
}

.full-description .feature-grid .feature-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
    font-size: 0.9rem;
}

.full-description .feature-grid .feature-item:last-child {
    border-bottom: none;
}

.full-description .feature-grid .feature-item i {
    color: #D96717;
    font-size: 0.75rem;
    opacity: 0.5;
    width: 20px;
    text-align: center;
}

.full-description .feature-grid .feature-item strong {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    margin-right: 0.3rem;
}

/* ============================================================
   新闻详情
   ============================================================ */
.news-detail {
    max-width: 1060px;
    margin: 0 auto;
    padding: 2rem 2rem 3rem;
}

.news-detail .news-header {
    margin-bottom: 2rem;
}

.news-detail .news-header .news-category {
    display: inline-block;
    color: #D96717;
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: rgba(217, 103, 23, 0.08);
    padding: 0.2rem 1.2rem;
    border-radius: 40px;
    border-left: 3px solid #D96717;
    font-weight: 500;
    margin-bottom: 0.8rem;
}

.news-detail .news-header h1 {
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

.news-detail .news-header .news-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 0.8rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.3);
}

.news-detail .news-header .news-meta span i {
    margin-right: 0.4rem;
    color: #D96717;
    opacity: 0.5;
}

.news-detail .news-image {
    width: 100%;
    aspect-ratio: 16 / 7;
    background: linear-gradient(145deg, #1f344a, #162a3e);
    border-radius: 24px 8px 24px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    margin-bottom: 2.5rem;
}

.news-detail .news-image i {
    font-size: 4.5rem;
    opacity: 0.12;
    color: #D96717;
}

.news-detail .news-body {
    max-width: 820px;
}

.news-detail .news-body p {
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.9;
    font-weight: 300;
    font-size: 1rem;
    margin-bottom: 1.2rem;
}

.news-detail .news-body p strong {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.news-detail .news-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    margin: 1.8rem 0 0.8rem;
}

.news-detail .news-body h3 span {
    color: #D96717;
}

.news-detail .news-body .quote-block {
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid #D96717;
    padding: 1.2rem 1.8rem;
    margin: 1.5rem 0;
    border-radius: 0 12px 12px 0;
}

.news-detail .news-body .quote-block p {
    color: rgba(255, 255, 255, 0.6);
    font-style: italic;
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
}

.news-detail .news-body .quote-block .quote-author {
    color: rgba(255, 255, 255, 0.25);
    font-size: 0.8rem;
    font-style: normal;
}

.news-detail .divider {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.04);
    margin: 2.5rem 0;
}

.related-news {
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
}

.related-news h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1.5rem;
}

.related-news h3 span {
    color: #D96717;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.related-item {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px 4px 16px 4px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: 0.3s;
}

.related-item:hover {
    border-color: rgba(217, 103, 23, 0.15);
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.03);
}

.related-item .related-date {
    font-size: 0.65rem;
    color: #D96717;
    letter-spacing: 1px;
    font-weight: 500;
}

.related-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin: 0.3rem 0 0.5rem;
    line-height: 1.4;
}

.related-item p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
    line-height: 1.6;
    font-weight: 300;
}

.related-item a {
    display: inline-block;
    margin-top: 0.6rem;
    color: #D96717;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    transition: 0.2s;
}

.related-item a:hover {
    color: #f59e0b;
}

/* ============================================================
   About / Solution 内容区域
   ============================================================ */
.breadcrumb {
    max-width: 1360px;
    margin: 0 auto;
    padding: 1.5rem 2rem 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.2);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.3);
    text-decoration: none;
    transition: 0.2s;
}

.breadcrumb a:hover {
    color: #D96717;
}

.breadcrumb span {
    color: #D96717;
}

.content-section {
    max-width: 1260px;
    margin: 0 auto;
    padding: 2rem 2rem 4rem;
}
.content-section img{ max-width:100%; height:auto !important;}
.content-section table{ width:100% !important;border-right:#ffffff8c solid 1px !important; border-top:#ffffff8c solid 1px !important;}
.content-section tr td{ border-left:#ffffff8c solid 1px !important; background-color:#CCC;  border-bottom:#ffffff8c solid 1px !important; width:auto !important;}
.content-section tr td p{ color:#000 !important;}

/* 外层容器 */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch; /* iOS 顺滑滚动 */
}

/* 表格本身 */
.table-responsive table {
  width: 100%;
  min-width: 600px; /* 宽度小于 600px 时出现横向滚动 */
  table-layout: fixed;
  border-collapse: collapse;
}

/* 处理过长的文字 */
.table-responsive td,
.table-responsive th {
  word-break: break-word; /* 比 break-all 更温和 */
  padding: 8px 10px;
}


.content-section p {
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.98;
    font-weight: 300;
    font-size: 1rem;
    margin-bottom: 1.2rem;
}

.content-section p strong {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.content-section .quote-block {
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid #D96717;
    padding: 1.2rem 1.8rem;
    margin: 1.5rem 0;
    border-radius: 0 12px 12px 0;
}

.content-section .quote-block p {
    color: rgba(255, 255, 255, 0.6);
    font-style: italic;
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ============================================================
   Footer 底部
   ============================================================ */
.footer {
    background: #081222;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 3rem 2rem 1.5rem;
    margin-top: 1rem;
}

.footer-container {
    max-width: 1360px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr  1.8fr 1.8fr;
    gap: 2rem;
}

.footer-col h4 {
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 1.2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: #D96717;
    border-radius: 4px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.6rem;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    font-size: 0.85rem;
    transition: 0.2s;
    font-weight: 300;
}

.footer-col ul li a:hover {
    color: #D96717;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
    line-height: 1.7;
    font-weight: 300;
}

.footer-col .social-links {
    display: flex;
    gap: 0.8rem;
    margin-top: 0.5rem;
}

.footer-col .social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: 0.25s;
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-col .social-links a:hover {
    background: #D96717;
    color: #fff;
    border-color: #D96717;
    transform: translateY(-2px);
}

.footer-col .newsletter-input {
    display: flex;
    margin-top: 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 0.3rem;
}

.footer-col .newsletter-input input {
    background: transparent;
    border: none;
    outline: none;
    color: #e2e8f0;
    font-size: 0.9rem;
    flex: 1;
    padding: 0.4rem 0;
}

.footer-col .newsletter-input input::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

.footer-col .newsletter-input button {
    background: transparent;
    border: none;
    color: #D96717;
    cursor: pointer;
    font-size: 1rem;
    padding: 0.2rem 0.4rem;
    transition: 0.2s;
}

.footer-col .newsletter-input button:hover {
    color: #f59e0b;
    transform: translateX(3px);
}

.footer-bottom {
    max-width: 1360px;
    margin: 2rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.04);/*
    display: flex;*/
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.footer-bottom .footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom .footer-links a {
    color: rgba(255, 255, 255, 0.15);
    text-decoration: none;
    font-size: 0.7rem;
    transition: 0.2s;
    letter-spacing: 0.5px;
}

.footer-bottom .footer-links a:hover {
    color: #D96717;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 2rem 3rem;
    }
}

@media (max-width: 900px) {
    .nav-menu {
        display: none;
    }
    .hamburger {
        display: flex;
    }
    .mobile-menu {
        display: flex;
    }
    .navbar {
        padding: 0 1.2rem;
    }
    .banner-slide {
        min-height: 70vh;
        padding: 0 1.5rem;
    }
    .banner-content {
        margin-left: 0;
    }
    .lang-switch-wrapper {
        display: none;
    }
    .detail-wrapper {
        flex-direction: column;
        padding: 1.5rem 1.5rem 0.5rem;
        gap: 1.8rem;
    }
    .detail-gallery {
        min-width: unset;
        width: 100%;
    }
    .detail-info {
        min-width: unset;
        width: 100%;
    }
    .full-description {
        padding: 0 1.5rem 3rem;
    }
    .full-description .feature-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .product-row {
        flex-direction: column;
        padding: 2.5rem 1.5rem;
        gap: 1.8rem;
        text-align: left;
    }
    .product-text .desc {
        max-width: 100%;
    }
    .product-image .img-placeholder {
        max-width: 100%;
        aspect-ratio: 4/3;
    }
    .product-text .spec-list {
        gap: 0.5rem 1.5rem;
    }
}

@media (max-width: 820px) {
    .energy-row {
        flex-direction: column;
        padding: 2.5rem 1.5rem;
        gap: 1.8rem;
        text-align: left;
    }
    .row-text .desc {
        max-width: 100%;
    }
    .row-image .img-placeholder {
        max-width: 100%;
        aspect-ratio: 4/3;
    }
}

@media (max-width: 600px) {
    .content-section {
        padding: 1.5rem 1rem 3rem;
    }
    .news-detail {
        padding: 1.5rem 1rem 2rem;
    }
    .news-detail .news-image {
        aspect-ratio: 16 / 9;
    }
    .related-news {
        padding: 0 1rem 3rem;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .news-detail .news-body .quote-block {
        padding: 1rem 1.2rem;
    }
    .full-description .feature-grid {
        grid-template-columns: 1fr;
        padding: 1rem 1.2rem;
    }
}

@media (max-width: 480px) {
    .navbar {
        height: 64px;
        padding: 0 1rem;
    }
    .nav-brand .brand-name {
        font-size: 1.1rem;
    }
    .energy-row {
        padding: 1.8rem 1rem;
    }
    .product-row {
        padding: 1.8rem 1rem;
    }
    .product-text .spec-list {
        flex-direction: column;
        gap: 0.2rem;
    }
    .footer {
        padding: 2rem 1rem 1rem;
    }
    .mobile-menu {
        padding: 1.2rem 1.2rem 1.5rem;
    }
    .mobile-menu a {
        font-size: 1rem;
    }
    .page-header {
        padding: 1.5rem 1rem 0;
    }
    .breadcrumb {
        padding: 1rem 1rem 0;
        font-size: 0.7rem;
    }
    .detail-wrapper {
        padding: 1rem 1rem 0.5rem;
    }
    .full-description {
        padding: 0 1rem 2.5rem;
    }
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f2a44;
}
::-webkit-scrollbar-thumb {
    background: #D96717;
    border-radius: 10px;
}