/* ============================================
   ACDesign Stage 3 — 主頁全面重做
   木質奢華 + 11 區塊 + 視頻區 + 信任錨點
   2026-05-04
   ============================================ */

/* === 木質奢華調色板（5 層）=== */
.ac-preview-home {
    --wood-deep: #1A140F;       /* 深咖啡 */
    --wood-brown: #2B201A;      /* 可可 */
    --wood-walnut: #5C4836;     /* 核桃木 */
    --wood-warm: #8B7355;       /* 暖棕 */
    --gold-rich: #C6A962;       /* 金 */
    --gold-light: #E0C883;      /* 淺金 */
    --gold-glow: rgba(198, 169, 98, 0.18);
    --cream: #E8E0D2;           /* 米白 */
    --cream-soft: rgba(232, 224, 210, 0.85);
    --cream-dim: rgba(232, 224, 210, 0.55);

    background: var(--wood-deep);
    color: var(--cream);
}

/* 全局基底（覆盖 stage1 仅在预览页生效） */
.ac-preview-home,
.ac-preview-home p,
.ac-preview-home div,
.ac-preview-home section {
    background-color: transparent;
}
body.ac-preview-home-page,
body.ac-preview-home-page #Wrapper,
body.ac-preview-home-page #Content {
    background-color: var(--wood-deep) !important;
}

/* === 通用区块标题样式 === */
.ac-section-title {
    text-align: center;
    margin-bottom: 12px;
}
.ac-section-title .ac-eyebrow {
    display: block;
    font-family: var(--font-sans);
    font-size: 11px;
    letter-spacing: 0.4em;
    color: var(--gold-rich);
    text-transform: uppercase;
    margin-bottom: 14px;
}
.ac-section-title h2 {
    font-family: var(--font-serif);
    font-size: 42px !important;
    color: var(--cream) !important;
    margin: 0 0 14px !important;
    font-weight: 400 !important;
    letter-spacing: 0.02em !important;
}
.ac-section-title h2 em {
    font-style: italic;
    color: var(--gold-rich);
}
.ac-section-subtitle {
    font-size: 15px !important;
    color: var(--cream-dim) !important;
    text-align: center;
    max-width: 640px;
    margin: 0 auto 50px !important;
    line-height: 1.8 !important;
}
@media (max-width: 768px) {
    .ac-section-title h2 { font-size: 32px !important; }
}

/* === 1. 預覽 Hero (5 圖輪播 + Ken Burns) === */
.ac-preview-hero {
    position: relative;
    height: 92vh;
    min-height: 620px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--wood-deep);
}
.ac-hero-slides {
    position: absolute;
    inset: 0;
    z-index: 1;
}
.ac-hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.6s ease-in-out;
    will-change: opacity, transform;
}
.ac-hero-slide.active {
    opacity: 1;
    animation: ac-kenburns 12s ease-out forwards;
}
@keyframes ac-kenburns {
    0%   { transform: scale(1.0) translate(0, 0); }
    100% { transform: scale(1.10) translate(-1.5%, -1%); }
}
.ac-hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        linear-gradient(180deg, rgba(26,20,15,0.45) 0%, rgba(26,20,15,0.65) 60%, rgba(26,20,15,0.85) 100%),
        radial-gradient(ellipse at 50% 50%, transparent 0%, rgba(26,20,15,0.4) 100%);
    pointer-events: none;
}
.ac-hero-dots {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 6;
    display: flex;
    gap: 12px;
}
.ac-hero-dots .dot {
    width: 28px;
    height: 2px;
    background: rgba(232,224,210,0.35);
    border: 0;
    cursor: pointer;
    padding: 0;
    transition: background 0.4s, width 0.4s;
}
.ac-hero-dots .dot.active {
    background: var(--gold-rich);
    width: 48px;
}
.ac-hero-scroll-hint {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 6;
    color: var(--cream-dim);
    font-size: 10px;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
    animation: ac-scroll-pulse 2.5s ease-in-out infinite;
}
@keyframes ac-scroll-pulse {
    0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
    50%      { opacity: 0.9; transform: translateX(-50%) translateY(8px); }
}
.ac-preview-hero-content {
    position: relative;
    z-index: 5;
    text-align: center;
    padding: 0 24px;
    max-width: 1100px;
    animation: ac-hero-fadein 1.4s ease-out 0.3s both;
}
@keyframes ac-hero-fadein {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
.ac-preview-hero .eyebrow {
    font-size: 11px;
    letter-spacing: 0.6em;
    color: var(--gold-light);
    text-transform: uppercase;
    margin-bottom: 32px;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}
.ac-preview-hero h1 {
    font-family: var(--font-serif) !important;
    font-size: 80px !important;
    color: var(--cream) !important;
    line-height: 1.05 !important;
    margin: 0 0 28px !important;
    font-weight: 400 !important;
    letter-spacing: 0.01em !important;
    text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}
.ac-preview-hero h1 em {
    font-style: italic;
    color: var(--gold-light);
    font-weight: 300;
}
.ac-hero-divider {
    width: 60px;
    height: 1px;
    background: var(--gold-rich);
    margin: 0 auto 28px;
    opacity: 0.7;
}
.ac-preview-hero-desc {
    font-size: 16px !important;
    color: var(--cream) !important;
    line-height: 1.9 !important;
    max-width: 560px;
    margin: 0 auto 40px !important;
    letter-spacing: 0.05em !important;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}
.ac-hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.ac-btn {
    display: inline-flex;
    align-items: center;
    padding: 16px 36px;
    font-family: var(--font-sans);
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none !important;
    border-radius: 2px;
    transition: all 0.35s var(--ease-out-expo);
    cursor: pointer;
    border: 1px solid transparent;
}
.ac-btn-primary {
    background: var(--gold-rich);
    color: var(--wood-deep) !important;
    border-color: var(--gold-rich);
}
.ac-btn-primary:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
    transform: translateY(-2px);
}
.ac-btn-ghost {
    background: transparent;
    color: var(--cream) !important;
    border-color: rgba(232,224,210,0.4);
}
.ac-btn-ghost:hover {
    background: rgba(232,224,210,0.08);
    border-color: var(--cream);
}
@media (max-width: 768px) {
    .ac-preview-hero { height: 80vh; min-height: 520px; }
    .ac-preview-hero h1 { font-size: 42px !important; line-height: 1.1 !important; }
    .ac-preview-hero-desc { font-size: 14px !important; }
    .ac-preview-hero .eyebrow { font-size: 10px; letter-spacing: 0.4em; margin-bottom: 22px; }
    .ac-hero-scroll-hint { display: none; }
}

/* === 2. 數據條 === */
.ac-stats-bar {
    background: linear-gradient(90deg, var(--wood-walnut) 0%, var(--wood-brown) 50%, var(--wood-walnut) 100%);
    padding: 36px 24px;
    border-top: 1px solid rgba(198,169,98,0.18);
    border-bottom: 1px solid rgba(198,169,98,0.18);
}
.ac-stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}
.ac-stat-item .num {
    font-family: var(--font-serif);
    font-size: 44px;
    color: var(--gold-rich);
    line-height: 1;
    margin-bottom: 6px;
    display: block;
}
.ac-stat-item .label {
    font-size: 13px;
    letter-spacing: 0.18em;
    color: var(--cream-soft);
    text-transform: uppercase;
}
@media (max-width: 768px) {
    .ac-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .ac-stat-item .num { font-size: 32px; }
    .ac-stat-item .label { font-size: 11px; }
}

/* === 通用 section padding === */
.ac-section {
    padding: 100px 24px;
    max-width: 1280px;
    margin: 0 auto;
}
@media (max-width: 768px) {
    .ac-section { padding: 64px 20px; }
}

/* === 3. 服務卡片（彩色分類） === */
.ac-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}
.ac-service-card {
    position: relative;
    padding: 40px 28px;
    background: var(--wood-brown);
    border: 1px solid rgba(198,169,98,0.18);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.4s var(--ease-out-expo);
    text-decoration: none !important;
    display: block;
}
.ac-service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gold-rich);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out-expo);
}
.ac-service-card:hover { transform: translateY(-6px); border-color: var(--gold-rich); }
.ac-service-card:hover::before { transform: scaleX(1); }

.ac-service-card.svc-residential { background: linear-gradient(135deg, var(--wood-brown) 0%, #3A2920 100%); }
.ac-service-card.svc-commercial { background: linear-gradient(135deg, var(--wood-brown) 0%, #2D3A35 100%); }
.ac-service-card.svc-renovation { background: linear-gradient(135deg, var(--wood-brown) 0%, #3A2D1F 100%); }
.ac-service-card.svc-furniture { background: linear-gradient(135deg, var(--wood-brown) 0%, var(--wood-walnut) 100%); }
.ac-service-card.svc-3d { background: linear-gradient(135deg, var(--wood-brown) 0%, #2A2A38 100%); }

.ac-service-icon {
    font-size: 32px;
    color: var(--gold-rich);
    margin-bottom: 18px;
    display: block;
}
.ac-service-card h3 {
    font-family: var(--font-serif) !important;
    font-size: 24px !important;
    color: var(--cream) !important;
    margin: 0 0 12px !important;
    font-weight: 400 !important;
    letter-spacing: 0.02em !important;
}
.ac-service-card p {
    font-size: 14px !important;
    line-height: 1.7 !important;
    color: var(--cream-dim) !important;
    margin: 0 0 18px !important;
}
.ac-service-card .ac-link {
    font-size: 12px;
    letter-spacing: 0.15em;
    color: var(--gold-rich);
    text-transform: uppercase;
}

/* === 4. 視頻區 === */
.ac-videos {
    background: linear-gradient(180deg, var(--wood-deep) 0%, var(--wood-brown) 50%, var(--wood-deep) 100%);
}

/* Featured + Side */
.ac-video-feature-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    max-width: 1280px;
    margin: 0 auto 44px;
}
.ac-video-featured {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--wood-walnut);
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid rgba(198,169,98,0.2);
}
.ac-video-featured iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}
.ac-video-side-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.ac-video-side {
    position: relative;
    flex: 1;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid rgba(198,169,98,0.15);
    transition: all 0.35s;
}
.ac-video-side:hover {
    border-color: var(--gold-rich);
    transform: translateX(-4px);
}
.ac-video-thumb-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s var(--ease-out-expo);
}
.ac-video-side:hover .ac-video-thumb-img,
.ac-video-card:hover .ac-video-thumb-img { transform: scale(1.06); }
.ac-video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26,20,15,0) 0%, rgba(26,20,15,0.85) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 14px 16px;
    z-index: 2;
}
.ac-video-side .ac-video-title {
    font-size: 13px;
    color: var(--cream);
    font-family: var(--font-sans);
    line-height: 1.4;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ac-play-icon {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(198,169,98,0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 3;
}
.ac-play-icon::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 14px solid var(--wood-deep);
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    margin-left: 4px;
}
.ac-video-side:hover .ac-play-icon,
.ac-video-card:hover .ac-play-icon { transform: translate(-50%, -50%) scale(1.1); background: var(--gold-light); }

/* Tabs */
.ac-video-tabs {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin: 0 auto 36px;
    flex-wrap: wrap;
}
.ac-video-tabs button {
    padding: 11px 22px;
    background: transparent;
    border: 1px solid rgba(198,169,98,0.3);
    border-radius: 24px;
    color: var(--cream-soft);
    font-size: 13px;
    letter-spacing: 0.05em;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.25s;
}
.ac-video-tabs button:hover { border-color: var(--gold-rich); color: var(--gold-rich); }
.ac-video-tabs button.active {
    background: var(--gold-rich);
    border-color: var(--gold-rich);
    color: var(--wood-deep);
    font-weight: 600;
}

/* Grid */
.ac-video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    max-width: 1280px;
    margin: 0 auto;
}
.ac-video-card {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--wood-walnut);
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid rgba(198,169,98,0.15);
    transition: all 0.35s;
    text-decoration: none !important;
    display: block;
}
.ac-video-card:hover {
    border-color: var(--gold-rich);
    transform: translateY(-4px);
    box-shadow: 0 12px 28px -8px rgba(0,0,0,0.6);
}
.ac-video-card .ac-video-title {
    font-size: 14px;
    color: var(--cream);
    line-height: 1.4;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ac-video-cat-chip {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(198,169,98,0.92);
    color: var(--wood-deep);
    padding: 3px 10px;
    border-radius: 2px;
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
    z-index: 4;
}
.ac-video-cta-row {
    text-align: center;
    margin-top: 44px;
}

@media (max-width: 768px) {
    .ac-video-feature-row { grid-template-columns: 1fr; }
    .ac-video-side-stack { flex-direction: row; }
    .ac-video-grid { grid-template-columns: 1fr; }
}

/* === 5. 作品 Showcase === */
.ac-showcase {
    background: var(--wood-brown);
}
.ac-showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1280px;
    margin: 0 auto;
}
.ac-showcase-item {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none !important;
    background: var(--wood-walnut);
}
.ac-showcase-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.7s var(--ease-out-expo);
}
.ac-showcase-item:hover .ac-showcase-img { transform: scale(1.06); }
.ac-showcase-info {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px 24px;
    background: linear-gradient(180deg, transparent 50%, rgba(26,20,15,0.9) 100%);
    z-index: 2;
}
.ac-showcase-info h3 {
    font-family: var(--font-serif) !important;
    font-size: 22px !important;
    color: var(--cream) !important;
    margin: 0 0 6px !important;
    letter-spacing: 0.02em !important;
}
.ac-showcase-info .meta {
    font-size: 12px;
    color: var(--gold-light);
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.ac-showcase-cta {
    text-align: center;
    margin-top: 40px;
}
@media (max-width: 768px) {
    .ac-showcase-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
@media (max-width: 480px) {
    .ac-showcase-grid { grid-template-columns: 1fr; }
}

/* === 6. 客戶評價 === */
.ac-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1280px;
    margin: 0 auto;
}
.ac-testimonial {
    background: linear-gradient(180deg, var(--wood-brown) 0%, var(--wood-walnut) 100%);
    padding: 40px 32px;
    border-radius: 4px;
    border: 1px solid rgba(198,169,98,0.18);
    position: relative;
}
.ac-testimonial::before {
    content: '“';
    position: absolute;
    top: 4px;
    left: 18px;
    font-family: 'Cormorant Garamond', serif;
    font-size: 96px;
    color: rgba(198,169,98,0.3);
    line-height: 1;
}
.ac-testimonial-stars {
    color: var(--gold-rich);
    font-size: 16px;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}
.ac-testimonial-text {
    font-size: 15px !important;
    line-height: 1.8 !important;
    color: var(--cream) !important;
    margin: 0 0 24px !important;
    font-family: var(--font-serif);
    font-style: italic;
}
.ac-testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}
.ac-testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--wood-walnut);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-rich);
    font-family: var(--font-serif);
    font-size: 22px;
    flex-shrink: 0;
}
.ac-testimonial-name {
    font-size: 14px;
    color: var(--cream);
    margin: 0 0 2px;
    font-family: var(--font-sans);
    font-weight: 500;
}
.ac-testimonial-meta {
    font-size: 12px;
    color: var(--cream-dim);
    letter-spacing: 0.05em;
}
@media (max-width: 768px) {
    .ac-testimonials-grid { grid-template-columns: 1fr; }
}

/* === 7. 媒體報導 === */
.ac-media {
    background: var(--wood-brown);
    padding: 70px 24px !important;
}
.ac-media-row {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
}
.ac-media-logo {
    font-family: var(--font-serif);
    font-size: 22px;
    color: var(--cream-dim);
    letter-spacing: 0.05em;
    transition: color 0.3s;
    text-decoration: none !important;
}
.ac-media-logo:hover { color: var(--gold-rich); }

/* === 8. 服務流程 === */
.ac-process-timeline {
    list-style: none;
    padding: 0;
    margin: 0;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0;
    position: relative;
}
.ac-process-timeline::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 7%;
    right: 7%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-rich) 10%, var(--gold-rich) 90%, transparent);
}
.ac-process-step {
    position: relative;
    text-align: center;
    padding: 0 8px;
}
.ac-process-num {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--wood-deep);
    border: 2px solid var(--gold-rich);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-family: var(--font-serif);
    font-size: 22px;
    color: var(--gold-rich);
    position: relative;
    z-index: 2;
    transition: all 0.3s;
}
.ac-process-step:hover .ac-process-num {
    background: var(--gold-rich);
    color: var(--wood-deep);
}
.ac-process-step h4 {
    font-family: var(--font-serif) !important;
    font-size: 16px !important;
    color: var(--cream) !important;
    margin: 0 0 8px !important;
    font-weight: 400 !important;
}
.ac-process-step p {
    font-size: 12px !important;
    color: var(--cream-dim) !important;
    line-height: 1.5 !important;
    margin: 0 !important;
}
@media (max-width: 768px) {
    .ac-process-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }
    .ac-process-timeline::before { display: none; }
}

/* === 9. 完工數據 / 楼盤覆盖 === */
.ac-coverage {
    background: linear-gradient(180deg, var(--wood-deep) 0%, var(--wood-brown) 100%);
    text-align: center;
}
.ac-estate-tags {
    max-width: 900px;
    margin: 30px auto 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.ac-estate-tag {
    padding: 7px 16px;
    background: rgba(198,169,98,0.08);
    border: 1px solid rgba(198,169,98,0.25);
    border-radius: 20px;
    font-size: 12px;
    color: var(--cream-soft);
    letter-spacing: 0.04em;
    text-decoration: none !important;
    transition: all 0.25s;
}
.ac-estate-tag:hover {
    background: var(--gold-rich);
    color: var(--wood-deep);
    border-color: var(--gold-rich);
}

/* === 10. 三選一 CTA === */
.ac-final-cta {
    background:
        linear-gradient(135deg, rgba(26,20,15,0.94) 0%, rgba(43,32,26,0.94) 100%),
        radial-gradient(circle at 50% 50%, var(--wood-walnut), var(--wood-deep));
    padding: 100px 24px !important;
    text-align: center;
}
.ac-cta-trio {
    max-width: 1100px;
    margin: 50px auto 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.ac-cta-card {
    background: var(--wood-brown);
    border: 1px solid rgba(198,169,98,0.25);
    padding: 40px 28px;
    border-radius: 4px;
    text-decoration: none !important;
    transition: all 0.4s var(--ease-out-expo);
    display: block;
    position: relative;
    overflow: hidden;
}
.ac-cta-card:hover {
    background: var(--wood-walnut);
    border-color: var(--gold-rich);
    transform: translateY(-6px);
}
.ac-cta-card .icon {
    font-size: 32px;
    color: var(--gold-rich);
    display: block;
    margin-bottom: 14px;
}
.ac-cta-card h4 {
    font-family: var(--font-serif) !important;
    font-size: 22px !important;
    color: var(--cream) !important;
    margin: 0 0 10px !important;
    font-weight: 400 !important;
}
.ac-cta-card p {
    font-size: 13px !important;
    color: var(--cream-dim) !important;
    margin: 0 0 16px !important;
    line-height: 1.6 !important;
}
.ac-cta-card .arrow {
    color: var(--gold-rich);
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
@media (max-width: 768px) {
    .ac-cta-trio { grid-template-columns: 1fr; }
}

/* === Lightbox 視頻 === */
.ac-video-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.ac-video-lightbox.open { display: flex; }
.ac-video-lightbox-inner {
    width: 100%;
    max-width: 1200px;
    aspect-ratio: 16 / 9;
    position: relative;
}
.ac-video-lightbox-inner iframe {
    width: 100%;
    height: 100%;
    border: 0;
}
.ac-video-lightbox-close {
    position: absolute;
    top: -44px;
    right: 0;
    background: transparent;
    border: 0;
    color: var(--cream);
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
}

/* ============================================
   暗淺交替分層 — Light Section Variants
   ============================================ */

:root {
    --cream-bg: #F5EFE3;        /* 奶油米白 */
    --cream-bg-alt: #ECE5D8;    /* 砂石米 */
    --cream-soft-bg: #EDE3D0;   /* 暖米 */
    --text-on-light: #2B201A;   /* 深咖啡（浅底主文字） */
    --text-on-light-soft: #5C4836; /* 暖棕（浅底副文字） */
    --gold-dark: #A68B3E;       /* 暗金（浅底用） */
    --line-on-light: rgba(166, 139, 62, 0.25);
}

/* 通用：浅区块基底 */
.ac-light-section {
    background: var(--cream-bg) !important;
    background-image:
        linear-gradient(180deg, var(--cream-bg) 0%, var(--cream-bg-alt) 100%) !important;
    color: var(--text-on-light) !important;
    position: relative;
}
.ac-light-section::before {
    /* 极淡木纹纹理 */
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><filter id="n"><feTurbulence baseFrequency="0.7" numOctaves="2" /></filter><rect width="100%" height="100%" filter="url(%23n)" opacity="0.025"/></svg>');
    pointer-events: none;
    z-index: 0;
}
.ac-light-section > * {
    position: relative;
    z-index: 1;
}

/* 浅区块标题 */
.ac-light-section .ac-section-title h2 {
    color: var(--text-on-light) !important;
}
.ac-light-section .ac-section-title h2 em {
    color: var(--gold-dark) !important;
}
.ac-light-section .ac-section-title .ac-eyebrow {
    color: var(--gold-dark) !important;
}
.ac-light-section .ac-section-subtitle {
    color: var(--text-on-light-soft) !important;
}

/* 浅数据条 */
.ac-stats-bar.ac-light-section {
    padding: 44px 24px !important;
    background: linear-gradient(90deg, var(--cream-bg-alt) 0%, var(--cream-bg) 50%, var(--cream-bg-alt) 100%) !important;
    border-top: 1px solid var(--line-on-light);
    border-bottom: 1px solid var(--line-on-light);
}
.ac-light-section .ac-stat-item .num {
    color: var(--gold-dark) !important;
}
.ac-light-section .ac-stat-item .label {
    color: var(--text-on-light-soft) !important;
}

/* 浅作品 Showcase */
.ac-showcase.ac-light-section {
    background: linear-gradient(180deg, var(--cream-bg) 0%, var(--cream-bg-alt) 100%) !important;
}
.ac-light-section .ac-showcase-item {
    background: var(--cream-soft-bg);
    border: 1px solid var(--line-on-light);
}
.ac-light-section .ac-showcase-info h3 {
    color: var(--cream) !important; /* 卡片有暗 overlay，标题保留白 */
}

/* 浅服务流程 */
.ac-light-section .ac-process-timeline::before {
    background: linear-gradient(90deg, transparent, var(--gold-dark) 10%, var(--gold-dark) 90%, transparent) !important;
    opacity: 0.4;
}
.ac-light-section .ac-process-num {
    background: var(--cream-bg) !important;
    border-color: var(--gold-dark) !important;
    color: var(--gold-dark) !important;
}
.ac-light-section .ac-process-step:hover .ac-process-num {
    background: var(--gold-dark) !important;
    color: var(--cream-bg) !important;
}
.ac-light-section .ac-process-step h4 {
    color: var(--text-on-light) !important;
}
.ac-light-section .ac-process-step p {
    color: var(--text-on-light-soft) !important;
}

/* 浅完工楼盘 */
.ac-coverage.ac-light-section {
    background: linear-gradient(180deg, var(--cream-bg-alt) 0%, var(--cream-bg) 100%) !important;
}
.ac-light-section .ac-estate-tag {
    background: rgba(166, 139, 62, 0.06) !important;
    border-color: var(--line-on-light) !important;
    color: var(--text-on-light) !important;
}
.ac-light-section .ac-estate-tag:hover {
    background: var(--gold-dark) !important;
    color: var(--cream-bg) !important;
    border-color: var(--gold-dark) !important;
}

/* 暗 → 浅 → 暗 之间过渡装饰线（金色细线） */
.ac-section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(198,169,98,0.3) 30%, rgba(198,169,98,0.3) 70%, transparent);
    margin: 0;
    border: 0;
}
.ac-light-section + .ac-section-divider,
.ac-section-divider + .ac-light-section {
    background: linear-gradient(90deg, transparent, rgba(166,139,62,0.4) 30%, rgba(166,139,62,0.4) 70%, transparent);
}

/* === Section padding 调整（浅区块更紧凑） === */
.ac-light-section.ac-section { padding: 90px 24px; }
@media (max-width: 768px) {
    .ac-light-section.ac-section { padding: 60px 20px; }
}

/* === 預覽頁完全獨立，不繼承主題 header/footer === */
/* （之前的 #Side_slide / #Top_bar 修復已不需要）*/

/* === 浅底按钮颜色加深（提升对比） === */
.ac-light-section .ac-btn-primary {
    background: var(--gold-dark) !important;
    color: var(--cream-bg) !important;
    border-color: var(--gold-dark) !important;
}
.ac-light-section .ac-btn-primary:hover {
    background: #8B7330 !important;
    border-color: #8B7330 !important;
}
.ac-light-section .ac-btn-ghost {
    color: var(--text-on-light) !important;
    border-color: rgba(43,32,26,0.3);
}
.ac-light-section .ac-btn-ghost:hover {
    background: rgba(43,32,26,0.06);
    border-color: var(--text-on-light);
}

/* ============================================
   獨立 HTML wrapper 的全域 reset (預覽頁)
   ============================================ */
body.ac-preview-home-page {
    margin: 0;
    padding: 0;
    background: var(--wood-deep, #1A140F);
    color: #E8E0D2;
    font-family: 'Montserrat', 'Noto Sans HK', Helvetica, sans-serif;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}
body.ac-preview-home-page * { box-sizing: border-box; }
body.ac-preview-home-page a { color: inherit; text-decoration: none; }
body.ac-preview-home-page img { max-width: 100%; height: auto; display: block; }
body.ac-preview-home-page ul, body.ac-preview-home-page ol { list-style: none; padding: 0; margin: 0; }

/* ============================================
   Top Nav (獨立簡潔導航)
   ============================================ */
.ac-top-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 18px 0;
    background: linear-gradient(180deg, rgba(26,20,15,0.55) 0%, rgba(26,20,15,0) 100%);
    transition: background 0.4s ease, padding 0.3s ease, backdrop-filter 0.3s ease;
}
.ac-top-nav.scrolled {
    background: rgba(26,20,15,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 1px 0 rgba(198,169,98,0.12);
}
.ac-top-nav-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    gap: 32px;
}
.ac-top-nav-logo {
    flex-shrink: 0;
    display: flex;
    align-items: baseline;
    gap: 10px;
    color: var(--cream, #E8E0D2);
    text-decoration: none !important;
}
.ac-top-nav-logo .logo-mark {
    font-family: 'Cormorant Garamond', serif;
    font-size: 30px;
    font-style: italic;
    color: var(--gold-rich, #C6A962);
    letter-spacing: 0;
    line-height: 1;
}
.ac-top-nav-logo .logo-text {
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--cream-soft, rgba(232,224,210,0.85));
    font-weight: 500;
}
.ac-top-nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
    flex: 1;
    justify-content: center;
}
.ac-top-nav-menu li { list-style: none; }
.ac-top-nav-menu a {
    display: block;
    padding: 10px 16px;
    color: var(--cream-soft, rgba(232,224,210,0.85));
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-decoration: none !important;
    transition: color 0.3s ease;
    position: relative;
}
.ac-top-nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: var(--gold-rich, #C6A962);
    transition: width 0.3s ease;
}
.ac-top-nav-menu a:hover {
    color: var(--gold-light, #E0C883);
}
.ac-top-nav-menu a:hover::after {
    width: 24px;
}
.ac-top-nav-cta {
    flex-shrink: 0;
    padding: 10px 22px;
    background: var(--gold-rich, #C6A962);
    color: var(--wood-deep, #1A140F) !important;
    border-radius: 24px;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-decoration: none !important;
    text-transform: uppercase;
    transition: all 0.3s ease;
}
.ac-top-nav-cta:hover {
    background: var(--gold-light, #E0C883);
    transform: translateY(-1px);
}
.ac-top-nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    padding: 8px;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}
.ac-top-nav-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--cream, #E8E0D2);
    transition: all 0.3s ease;
}
.ac-top-nav-toggle.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.ac-top-nav-toggle.active span:nth-child(2) { opacity: 0; }
.ac-top-nav-toggle.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
@media (max-width: 1024px) {
    .ac-top-nav-toggle { display: flex; order: 3; margin-left: auto; }
    .ac-top-nav-cta { display: none; }
    .ac-top-nav-menu {
        position: fixed;
        top: 0; right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(26,20,15,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding: 80px 24px 40px;
        gap: 0;
        transition: right 0.4s ease;
    }
    .ac-top-nav-menu.open { right: 0; }
    .ac-top-nav-menu li { width: 100%; border-bottom: 1px solid rgba(198,169,98,0.12); }
    .ac-top-nav-menu a { padding: 16px 8px; font-size: 13px; text-align: left; }
    .ac-top-nav-menu a::after { display: none; }
}

/* ============================================
   Floating WhatsApp
   ============================================ */
.ac-wa-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px 12px 16px;
    background: #25d366;
    color: #fff !important;
    border-radius: 32px;
    font-family: 'Montserrat', sans-serif;
    text-decoration: none !important;
    box-shadow: 0 6px 20px -4px rgba(37, 211, 102, 0.5);
    transition: all 0.3s ease;
}
.ac-wa-float:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px -4px rgba(37, 211, 102, 0.6);
}
.ac-wa-float svg {
    flex-shrink: 0;
    fill: #fff;
}
.ac-wa-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.ac-wa-text .wa-label {
    font-size: 11px;
    letter-spacing: 0.05em;
    color: #fff;
}
.ac-wa-text .wa-number {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
}
@media (max-width: 480px) {
    .ac-wa-float { bottom: 16px; right: 16px; padding: 10px 14px; }
    .ac-wa-text { display: none; }
}

/* ============================================
   獨立 Footer
   ============================================ */
.ac-preview-footer {
    background: linear-gradient(180deg, var(--wood-deep, #1A140F) 0%, #0E0A07 100%);
    border-top: 1px solid rgba(198,169,98,0.18);
    padding: 70px 24px 30px;
    color: var(--cream-dim, rgba(232,224,210,0.55));
}
.ac-footer-inner {
    max-width: 1280px;
    margin: 0 auto;
}
.ac-footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(198,169,98,0.12);
}
@media (max-width: 768px) {
    .ac-footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}
@media (max-width: 480px) {
    .ac-footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
.ac-footer-logo {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 32px;
    color: var(--gold-rich, #C6A962);
    margin-bottom: 18px;
    line-height: 1;
}
.ac-footer-brand-desc {
    font-size: 13px;
    color: var(--cream-dim, rgba(232,224,210,0.55));
    line-height: 1.9;
    margin: 0 0 22px;
}
.ac-footer-socials {
    display: flex;
    gap: 10px;
}
.ac-footer-socials a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(198,169,98,0.3);
    color: var(--cream-soft, rgba(232,224,210,0.85)) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-decoration: none !important;
    transition: all 0.3s ease;
}
.ac-footer-socials a:hover {
    background: var(--gold-rich, #C6A962);
    border-color: var(--gold-rich, #C6A962);
    color: var(--wood-deep, #1A140F) !important;
}
.ac-footer-col h5 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 16px;
    color: var(--cream, #E8E0D2);
    margin: 0 0 18px;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.ac-footer-col ul li {
    margin-bottom: 10px;
}
.ac-footer-col ul li a {
    color: var(--cream-dim, rgba(232,224,210,0.55)) !important;
    font-size: 13px;
    text-decoration: none !important;
    transition: color 0.3s ease;
}
.ac-footer-col ul li a:hover {
    color: var(--gold-rich, #C6A962) !important;
}
.ac-footer-contact {
    font-size: 13px;
    color: var(--cream-dim, rgba(232,224,210,0.55));
    line-height: 1.8;
    margin: 0 0 12px;
}
.ac-footer-contact a {
    color: var(--cream-soft, rgba(232,224,210,0.85)) !important;
    text-decoration: none !important;
}
.ac-footer-contact a:hover {
    color: var(--gold-rich, #C6A962) !important;
}
.ac-footer-bottom {
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: rgba(232,224,210,0.4);
}

/* ============================================
   調整：給 fixed top nav 預留空間
   ============================================ */
body.ac-preview-home-page .ac-preview-hero {
    /* hero 是全屏的，nav 透明叠加 OK */
}

/* === 重要：删除之前的 body.ac-preview-home-page 失效选择器 === */
/* 旧选择器全部用容器 class 改写 */