/*
 * 广东全圣陶瓷有限公司 官网主样式表
 * 设计风格：「沉浸式展厅 · Immersive Gallery」
 * 色彩：岩板灰 (#4A5568) | 釉面金 (#D69E2E) | 大理石白 (#F7FAFC)
 * 视觉元素：岩板纹理、虚拟展厅漫游、瀑布流画廊
 */

:root {
    /* 品牌色系 */
    --color-primary: #4A5568;        /* 岩板灰 */
    --color-primary-deep: #1A202C;   /* 岩板黑 */
    --color-secondary: #D69E2E;      /* 釉面金 */
    --color-accent: #F6AD55;         /* 釉彩暖金 */
    --color-porcelain: #FFFEF7;      /* 瓷白背景 */
    --color-soft: #F7FAFC;           /* 大理石白 */
    --color-ink: #1A202C;            /* 正文墨色 */
    --color-muted: #718096;          /* 纹理灰 */
    --color-border: rgba(26, 32, 44, 0.12);
    --color-shadow: rgba(15, 23, 42, 0.12);
    /* 兼容旧变量 */
    --color-background-light: #ffffff;
    --color-background-dark: #F4F0EC;
    --color-text-main: var(--color-ink);
    --color-text-secondary: var(--color-muted);

    /* 渐变与纹理 */
    --gradient-kiln: linear-gradient(135deg, rgba(26, 32, 44, 0.95), rgba(74, 85, 104, 0.9), rgba(214, 158, 46, 0.82));
    --gradient-porcelain: radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.92), rgba(247, 250, 252, 0.5)),
                          radial-gradient(circle at 78% 0%, rgba(247, 250, 252, 0.75), rgba(255, 254, 247, 0.42)),
                          linear-gradient(120deg, rgba(255, 254, 247, 0.98), rgba(247, 250, 252, 0.94));
    --texture-marble: radial-gradient(260px 160px at 22% 30%, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0)),
                      radial-gradient(220px 220px at 78% 20%, rgba(236, 241, 247, 0.6), rgba(236, 241, 247, 0)),
                      linear-gradient(125deg, rgba(74, 85, 104, 0.15), rgba(214, 158, 46, 0.08), rgba(113, 128, 150, 0.08));
    --texture-slab: linear-gradient(145deg, rgba(15, 23, 42, 0.92), rgba(17, 24, 39, 0.85), rgba(26, 32, 44, 0.95));

    /* 排版与间距 */
    --font-sans: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
    --font-serif: "Noto Serif SC", "Songti SC", serif;
    --font-size-base: 16px;
    --line-height-base: 1.7;
    --spacing-xs: 6px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 32px;
    --spacing-xl: 52px;
    --spacing-xxl: 80px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-strong: 0 20px 50px rgba(15, 23, 42, 0.16);
    --header-height: 72px;
    /* 兼容旧变量 */
    --border-radius-sm: var(--radius-sm);
    --border-radius-base: var(--radius-md);
    --box-shadow-base: var(--shadow-soft);
    --box-shadow-hover: var(--shadow-strong);

    /* 响应断点 */
    --breakpoint-xs: 320px;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-xxl: 1400px;
}

/* 全局基础 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-ink);
    background: var(--gradient-porcelain);
    background-attachment: fixed;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--color-primary-deep);
    letter-spacing: 0.01em;
}

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

main {
    padding-top: var(--header-height);
}

.container {
    width: min(1200px, 92vw);
    margin: 0 auto;
}

.section {
    position: relative;
    padding: var(--spacing-xxl) 0;
}

.section::after {
    content: "";
    position: absolute;
    inset: 0 6%;
    background: linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(214,158,46,0.06) 50%, rgba(0,0,0,0) 100%);
    opacity: 0.3;
    pointer-events: none;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-secondary);
    background: rgba(214, 158, 46, 0.14);
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid rgba(214, 158, 46, 0.2);
}

.section-title h2 {
    font-size: 32px;
    margin-top: var(--spacing-sm);
}

.section-title p {
    max-width: 720px;
    margin: var(--spacing-sm) auto 0;
}

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1200px) {
    .grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

/* 导航 */
.header {
    position: fixed;
    inset: 0 0 auto 0;
    height: var(--header-height);
    background: rgba(253, 251, 247, 0.82);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(214, 158, 46, 0.14);
    z-index: 1000;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
}

.header.scrolled {
    background: rgba(253, 251, 247, 0.96);
}

.nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    font-weight: 800;
    font-size: 18px;
    letter-spacing: 0.08em;
    color: var(--color-primary-deep);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo a {
    color: inherit;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    gap: 2px;
}

.logo .logo-cn {
    font-size: 17px;
}

.logo .logo-en {
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--color-muted);
    text-transform: uppercase;
}

.logo .badge {
    background: var(--color-secondary);
    color: #fff;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
}

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-item {
    position: relative;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-actions .btn {
    padding: 9px 12px;
    font-size: 14px;
}

.nav-link {
    padding: 8px 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--color-primary-deep);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-item:hover > .nav-link,
.nav-link.active {
    color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.dropdown-menu {
    position: absolute;
    top: 110%;
    left: 0;
    min-width: 180px;
    background: rgba(255, 255, 255, 0.96);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    list-style: none;
    padding: 10px;
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: all 0.2s ease;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.dropdown-item a {
    display: block;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-primary-deep);
}

.dropdown-item a:hover {
    background: rgba(75, 85, 99, 0.07);
    color: var(--color-secondary);
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--gradient-kiln);
    color: #fff;
    box-shadow: var(--shadow-soft);
    border-color: rgba(214, 158, 46, 0.35);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-strong);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-primary-deep);
    border-color: rgba(214, 158, 46, 0.45);
}

.btn-secondary:hover {
    color: var(--color-secondary);
    border-color: var(--color-secondary);
    box-shadow: 0 10px 24px rgba(214, 158, 46, 0.25);
}

.btn-ghost {
    background: transparent;
    border-color: rgba(74, 85, 104, 0.35);
    color: var(--color-primary-deep);
}

.btn-ghost:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.btn-ghost-light {
    border-color: rgba(255, 255, 255, 0.45);
    color: rgba(255, 255, 255, 0.92);
    background: rgba(255, 255, 255, 0.04);
}

.btn-ghost-light:hover {
    border-color: rgba(255, 255, 255, 0.85);
    color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.12);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: rgba(214, 158, 46, 0.14);
    border-radius: 999px;
    font-size: 12px;
    color: var(--color-primary-deep);
    border: 1px solid rgba(214, 158, 46, 0.3);
}

.card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.porcelain-card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(75, 85, 99, 0.08);
    box-shadow: 0 20px 40px rgba(17, 24, 39, 0.12);
    position: relative;
    overflow: hidden;
}

.porcelain-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--texture-marble);
    opacity: 0.6;
    pointer-events: none;
}

.porcelain-card > * {
    position: relative;
}

/* 英雄区 */
.hero-section {
    position: relative;
    min-height: min(840px, 100vh);
    display: grid;
    place-items: center;
    padding: calc(var(--spacing-xxl) + 40px) 0 var(--spacing-xl);
    background: linear-gradient(115deg, rgba(26, 32, 44, 0.88), rgba(26, 32, 44, 0.6)),
                url("../images/residential_rockslab_tv_03.jpg");
    background-size: cover;
    background-position: center;
    color: #fff;
    overflow: hidden;
}

.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 30%, rgba(214,158,46,0.22), transparent 50%),
                radial-gradient(circle at 82% 0%, rgba(74,85,104,0.25), transparent 55%);
    opacity: 0.4;
    pointer-events: none;
}

.hero-section::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(214, 158, 46, 0.2), rgba(255, 255, 255, 0));
    pointer-events: none;
}

.hero-grid {
    display: grid;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 992px) {
    .hero-grid {
        grid-template-columns: 1.15fr 0.85fr;
    }
}

.hero-content h1 {
    font-size: clamp(32px, 3.6vw, 48px);
    color: #fff;
    margin-bottom: var(--spacing-md);
}

.hero-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 18px;
    margin-bottom: var(--spacing-lg);
}

.hero-highlights {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.hero-highlights li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.08);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.92);
}

.hero-meta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.hero-stat {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(214, 158, 46, 0.35);
    border-radius: var(--radius-md);
    min-width: 140px;
}

.hero-stat strong {
    display: block;
    font-size: 22px;
    color: #fff;
}

.hero-visual {
    position: relative;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(214, 158, 46, 0.3);
    backdrop-filter: blur(10px);
}

.hero-visual img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-strong);
    width: 100%;
    object-fit: cover;
}

.hero-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 10px 14px;
    background: rgba(214, 158, 46, 0.18);
    color: #fff;
    border-radius: var(--radius-md);
    border: 1px solid rgba(214, 158, 46, 0.5);
}

/* 品牌矩阵 */
.brand-grid {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 900px) {
    .brand-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.brand-card {
    position: relative;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: linear-gradient(160deg, rgba(253,251,247,0.96), rgba(244,240,236,0.92));
    border: 1px solid rgba(74, 85, 104, 0.15);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.brand-card::after {
    content: "";
    position: absolute;
    inset: -20%;
    background: radial-gradient(circle at 20% 20%, rgba(214, 158, 46, 0.12), transparent 40%),
                radial-gradient(circle at 80% 80%, rgba(74, 85, 104, 0.12), transparent 50%);
    opacity: 0.8;
    pointer-events: none;
}

.brand-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
}

.brand-mark {
    position: relative;
    width: 64px;
    height: 64px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(214, 158, 46, 0.16), rgba(74, 85, 104, 0.16));
    color: var(--color-primary-deep);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.brand-card h3 {
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.brand-meta {
    position: relative;
    color: var(--color-muted);
    font-size: 14px;
}

.brand-thumbs {
    display: flex;
    gap: 10px;
    margin: var(--spacing-sm) 0;
}

.brand-thumbs img {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(74, 85, 104, 0.16);
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}

/* 产品展示 */
.product-grid {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.product-grid.product-gallery {
    display: block;
    column-count: 1;
    column-gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .product-grid.product-gallery {
        column-count: 2;
    }
}

@media (min-width: 1200px) {
    .product-grid.product-gallery {
        column-count: 3;
    }
}

.product-gallery .product-card {
    display: inline-block;
    width: 100%;
    margin-bottom: var(--spacing-lg);
    break-inside: avoid;
}

.product-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: #fff;
    border: 1px solid rgba(75, 85, 99, 0.08);
    box-shadow: var(--shadow-soft);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.product-media {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.product-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 32%, rgba(28,28,30,0.65) 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
}

.product-tag {
    display: inline-flex;
    padding: 6px 10px;
    background: rgba(214, 158, 46, 0.9);
    color: #fff;
    border-radius: 999px;
    font-size: 12px;
    align-self: flex-start;
}

.product-body {
    padding: var(--spacing-md);
}

.texture-chip {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    font-size: 13px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(74, 85, 104, 0.12);
    color: var(--color-primary-deep);
}

.texture-chip::before {
    content: "";
    width: 18px;
    height: 18px;
    border-radius: 6px;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.9), rgba(74,85,104,0.35));
    border: 1px solid rgba(74, 85, 104, 0.28);
}

.product-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* 案例与全景 */
.case-grid {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 992px) {
    .case-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.case-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: #fff;
    border: 1px solid rgba(75,85,99,0.08);
    box-shadow: var(--shadow-soft);
}

.case-card img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.case-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.05), rgba(17,24,39,0.65));
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-lg);
    transition: opacity 0.2s ease;
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.panorama-viewer {
    position: relative;
    height: 360px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(75, 85, 99, 0.12);
    box-shadow: var(--shadow-soft);
    background-size: 140% auto;
    background-position: center;
    background-repeat: no-repeat;
    cursor: grab;
}

.panorama-hint {
    position: absolute;
    top: 14px;
    right: 14px;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    border-radius: 999px;
    font-size: 13px;
}

/* 通用内容模块兼容 */
.content-body {
    display: grid;
    gap: var(--spacing-xl);
}

.text-content {
    display: grid;
    gap: var(--spacing-sm);
}

.image-content img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.advantage-item,
.case-item,
.brand-logo {
    background: #fff;
    border: 1px solid rgba(75, 85, 99, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.advantage-item h3,
.case-item h3,
.brand-logo h3 {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.brand-logo {
    text-align: center;
    background: linear-gradient(180deg, #fff, rgba(245,245,245,0.9));
}

.brand-logo a {
    font-weight: 700;
}

/* 瓷砖铺贴模拟器 */
.simulator {
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 992px) {
    .simulator {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.tile-preview {
    position: relative;
    height: 380px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(75, 85, 99, 0.12);
    box-shadow: var(--shadow-strong);
    background-size: cover;
    background-position: center;
}

.tile-preview::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.08), rgba(0,0,0,0.35));
    pointer-events: none;
}

.tile-controls {
    background: #fff;
    border: 1px solid rgba(75,85,99,0.08);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-soft);
}

.option-group {
    margin-bottom: var(--spacing-md);
}

.option-title {
    font-weight: 700;
    color: var(--color-primary-deep);
    margin-bottom: var(--spacing-sm);
}

.pill-options {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.pill-option {
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(75,85,99,0.25);
    cursor: pointer;
    font-weight: 600;
    background: rgba(255,255,255,0.8);
}

.pill-option.active {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
    box-shadow: 0 10px 25px rgba(214, 158, 46, 0.18);
}

.simulator-caption {
    margin-top: var(--spacing-md);
    color: var(--color-muted);
    font-size: 14px;
}

/* 数据模块 */
.stat-grid {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .stat-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.stat-card {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: #fff;
    border: 1px solid rgba(75, 85, 99, 0.08);
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.stat-card strong {
    display: block;
    font-size: 30px;
    color: var(--color-secondary);
}

.stat-card span {
    color: var(--color-muted);
}

/* 表格与列表 */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
}

th, td {
    padding: 12px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
}

th {
    color: var(--color-primary-deep);
    background: rgba(75,85,99,0.04);
}

/* 新闻 */
.news-card {
    background: #fff;
    border: 1px solid rgba(75, 85, 99, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-soft);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    color: var(--color-primary-deep);
    text-decoration: none;
    display: grid;
    gap: var(--spacing-sm);
    height: 100%;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.news-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 14px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-sm);
}

.news-card h3 {
    color: var(--color-primary-deep);
}

/* 表单 */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(75, 85, 99, 0.22);
    font-size: 15px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(214, 158, 46, 0.15);
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--color-primary-deep);
}

/* 页眉背景纹理 */
.porcelain-texture {
    background-image: var(--texture-marble);
}

.muted-bg {
    background: linear-gradient(180deg, rgba(253,251,247,0.92), rgba(244,240,236,0.92));
}

/* 页脚 */
.footer {
    background: var(--texture-slab);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(214, 158, 46, 0.2), rgba(74, 85, 104, 0.18));
    opacity: 0.85;
}

.footer .container {
    position: relative;
}

.footer-col h4 {
    color: #fff;
    margin-bottom: var(--spacing-sm);
}

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

.footer-col li {
    margin-bottom: 8px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    margin-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--spacing-sm);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* 页内面包屑 & 标题 */
.page-hero {
    position: relative;
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(74,85,104,0.14), rgba(214,158,46,0.14));
    opacity: 0.65;
}

.page-hero .container {
    position: relative;
}

.page-hero h1 {
    margin-bottom: var(--spacing-sm);
    font-size: clamp(28px, 3vw, 38px);
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-muted);
}

.breadcrumb a {
    color: var(--color-primary);
}

.page-hero + .section {
    padding-top: var(--spacing-lg);
}

/* 展厅漫游与系列导航 */
.showroom-entry {
    display: grid;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(214, 158, 46, 0.28);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.12);
    position: relative;
    overflow: hidden;
}

.showroom-entry::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(214,158,46,0.12), rgba(255,255,255,0.4));
    pointer-events: none;
}

.showroom-entry > * {
    position: relative;
}

.showroom-visual {
    border-radius: var(--radius-md);
    overflow: hidden;
    min-height: 260px;
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow-strong);
}

.showroom-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.series-nav {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    padding: var(--spacing-sm);
    border-radius: 999px;
    background: rgba(28, 28, 30, 0.04);
    border: 1px solid rgba(214, 158, 46, 0.25);
}

.series-chip {
    padding: 10px 16px;
    border-radius: 999px;
    border: 1px solid transparent;
    color: var(--color-primary-deep);
    background: rgba(255,255,255,0.85);
    box-shadow: 0 14px 24px rgba(0,0,0,0.06);
    cursor: pointer;
    transition: all 0.2s ease;
}

.series-chip.active,
.series-chip:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
    box-shadow: 0 16px 28px rgba(214, 158, 46, 0.24);
}

/* 案例沉浸画廊 */
.case-gallery {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 992px) {
    .case-gallery {
        grid-template-columns: 1.5fr 1fr;
    }
}

.case-scene {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 360px;
    box-shadow: var(--shadow-strong);
    background: #000;
}

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

.scene-meta {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-lg);
    background: linear-gradient(180deg, rgba(0,0,0,0.05), rgba(0,0,0,0.68));
    color: #fff;
}

.scene-meta .badge {
    align-self: flex-start;
    padding: 6px 12px;
    background: rgba(214, 158, 46, 0.9);
    border-radius: 999px;
    font-size: 12px;
}

.case-thumbs {
    display: grid;
    gap: var(--spacing-sm);
}

.case-thumb {
    position: relative;
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-sm);
    padding: 10px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(214,158,46,0.24);
    cursor: pointer;
    transition: all 0.2s ease;
}

.case-thumb img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.case-thumb.active,
.case-thumb:hover {
    box-shadow: var(--shadow-strong);
    border-color: var(--color-secondary);
}

.fullscreen-hint {
    position: absolute;
    top: 14px;
    right: 14px;
    padding: 8px 12px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border-radius: 999px;
    font-size: 12px;
}

/* 工艺与荣誉 */
.process-flow {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .process-flow {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.flow-step {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(74,85,104,0.16);
    box-shadow: var(--shadow-soft);
}

.flow-step strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: rgba(214,158,46,0.16);
    color: var(--color-primary-deep);
    margin-bottom: var(--spacing-sm);
}

.honor-wall {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .honor-wall {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.honor-card {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    background: linear-gradient(160deg, rgba(253,251,247,0.95), rgba(244,240,236,0.9));
    border: 1px solid rgba(214,158,46,0.22);
    box-shadow: var(--shadow-soft);
    text-align: center;
}

.honor-card img {
    height: 120px;
    width: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

/* 工艺与技术新版布局 */
.process-layout {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 992px) {
    .process-layout {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.process-card {
    display: grid;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.process-card-head h3 {
    margin-bottom: 4px;
}

.process-card-head p {
    margin: 0;
    color: var(--color-muted);
}

.media-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--spacing-md);
}

@media (max-width: 991px) {
    .media-grid {
        grid-template-columns: 1fr;
    }
}

.media-stack {
    display: grid;
    gap: var(--spacing-md);
}

.media-frame {
    position: relative;
    min-height: 160px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-size: cover;
    background-position: center;
    border: 1px solid rgba(74,85,104,0.12);
    box-shadow: var(--shadow-soft);
}

.media-large {
    min-height: 220px;
}

.media-tag {
    position: absolute;
    left: 12px;
    bottom: 12px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: 0.05em;
}

.stat-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.stat-chip {
    display: inline-flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(74,85,104,0.14);
    background: rgba(255,255,255,0.9);
    font-weight: 700;
    color: var(--color-primary-deep);
    min-width: 140px;
}

.stat-chip span {
    color: var(--color-muted);
    font-weight: 500;
}

.flow-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--spacing-sm);
}

.flow-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-sm);
    align-items: start;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(74,85,104,0.12);
    background: rgba(255,255,255,0.92);
}

.flow-index {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(214,158,46,0.16);
    color: var(--color-primary-deep);
    font-weight: 700;
}

.flow-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.process-simulator .tile-preview {
    height: 320px;
}

.process-simulator .tile-controls {
    padding: var(--spacing-md);
}

/* 首页新闻整齐卡片 */
.news-board {
    display: grid;
    gap: var(--spacing-md);
}

@media (min-width: 992px) {
    .news-board {
        grid-template-columns: 1.1fr 1fr;
        align-items: stretch;
    }
}

.news-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.news-feature {
    background: linear-gradient(135deg, rgba(26,32,44,0.92), rgba(74,85,104,0.72));
    color: #fff;
    box-shadow: var(--shadow-strong);
}

.news-feature h3,
.news-feature p,
.news-feature .news-meta {
    color: rgba(255,255,255,0.9);
}

.news-link {
    font-size: 14px;
    color: inherit;
    opacity: 0.9;
}

/* 新闻马赛克 */
.news-mosaic {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    grid-auto-rows: 190px;
    gap: var(--spacing-md);
}

.news-card.mosaic {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(253,251,247,0.9));
}

.news-card.mosaic .news-meta {
    margin-bottom: var(--spacing-sm);
}

.news-card.span-2x2 {
    grid-column: span 2;
    grid-row: span 2;
}

.news-card.span-2y {
    grid-row: span 2;
}

.news-card.highlight {
    background: linear-gradient(135deg, rgba(28,28,30,0.9), rgba(74,85,104,0.4));
    color: #fff;
}

.news-card.highlight p,
.news-card.highlight .news-meta,
.news-card.highlight h3 {
    color: rgba(255,255,255,0.88);
}

/* 经销商地图 */
.dealer-map {
    position: relative;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    background: radial-gradient(circle at 20% 30%, rgba(214,158,46,0.12), transparent 45%),
                radial-gradient(circle at 80% 70%, rgba(74,85,104,0.12), transparent 50%),
                linear-gradient(120deg, rgba(253,251,247,0.96), rgba(244,240,236,0.92));
    border: 1px solid rgba(74,85,104,0.15);
    box-shadow: var(--shadow-soft);
    min-height: 360px;
    overflow: hidden;
}

.dealer-map .map-bg {
    position: absolute;
    inset: 10% 8%;
    background: linear-gradient(90deg, rgba(28,28,30,0.06) 1px, transparent 1px),
                linear-gradient(0deg, rgba(28,28,30,0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.6;
}

.map-pin {
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-secondary);
    box-shadow: 0 0 0 10px rgba(214,158,46,0.18);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.map-pin:hover,
.map-pin.active {
    transform: scale(1.12);
    box-shadow: 0 0 0 12px rgba(214,158,46,0.28);
}

.map-caption {
    position: absolute;
    bottom: 16px;
    right: 16px;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    background: rgba(28,28,30,0.75);
    color: #fff;
    font-size: 13px;
}

/* 放大镜与全屏浏览 */
.magnify-wrap {
    position: relative;
    overflow: hidden;
}

.magnify-lens {
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 2px solid rgba(214,158,46,0.65);
    box-shadow: 0 12px 25px rgba(0,0,0,0.24);
    background-repeat: no-repeat;
    display: none;
    pointer-events: none;
}

.immersive-overlay {
    position: fixed;
    inset: 0;
    background: rgba(12, 12, 14, 0.92);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-lg);
}

.immersive-overlay.active {
    display: flex;
}

.immersive-frame {
    position: relative;
    width: min(1200px, 96vw);
    max-height: 90vh;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}

.immersive-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.immersive-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 8px 12px;
    cursor: pointer;
}

.immersive-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: var(--spacing-md);
    background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,0.7));
    color: #fff;
}

/* 响应式优化 */
@media (max-width: 767px) {
    .nav-menu {
        gap: 10px;
    }
    .hero-grid,
    .simulator {
        grid-template-columns: 1fr;
    }
    .section {
        padding: var(--spacing-xl) 0;
    }
    .hero-section {
        min-height: auto;
    }
}