/* ========================================
   必力健 BILISTRON - 官网样式
   移动端优先 | 响应式布局
   ======================================== */

/* ---- CSS Variables ---- */
:root {
    --color-bg: #0a0a0a;
    --color-bg-light: #111111;
    --color-bg-card: #1a1a1a;
    --color-bg-elevated: #1f1f1f;
    --color-gold: #c9a96e;
    --color-gold-dark: #a08050;
    --color-gold-light: #e0c898;
    --color-text: #e8e4dc;
    --color-text-secondary: #aaaaaa;
    --color-text-muted: #888888;
    --color-border: rgba(201, 169, 110, 0.15);
    --color-border-strong: rgba(201, 169, 110, 0.3);
    --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
    --header-height: 72px;
    --transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
    --container-max: 1200px;
    --radius: 8px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

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

/* ---- Container ---- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 100px;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-gold);
    color: var(--color-bg);
}

.btn-primary:hover {
    background: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 169, 110, 0.25);
}

.btn-outline {
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
}

.btn-outline:hover {
    background: var(--color-gold);
    color: var(--color-bg);
}

.btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text);
}

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

.btn-large {
    padding: 16px 40px;
    font-size: 16px;
}

/* ---- Section Header ---- */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 4px;
    color: var(--color-gold);
    margin-bottom: 16px;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
    letter-spacing: 1px;
    background: linear-gradient(180deg, #ffffff 0%, #e0c898 40%, #c9a96e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 8px rgba(201, 169, 110, 0.35));
}

.section-desc {
    font-size: 16px;
    color: var(--color-text-muted);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ========================================
   HEADER
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    line-height: 1;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
}

.nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    padding: 40px 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
}

.nav-menu.open {
    transform: translateX(0);
}

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 998;
}

.nav-overlay.open {
    opacity: 1;
    visibility: visible;
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-link {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.nav-actions {
    display: none;
}

.nav-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ========================================
   HERO
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(201, 169, 110, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(201, 169, 110, 0.05) 0%, transparent 50%),
                linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-light) 50%, var(--color-bg) 100%);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: radial-gradient(circle at 1px 1px, var(--color-gold) 1px, transparent 0);
    background-size: 40px 40px;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px 0 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.badge-line {
    display: block;
    width: 30px;
    height: 1px;
    background: var(--color-gold);
}

.badge-text {
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--color-gold);
    text-transform: uppercase;
}

.hero-title {
    margin-bottom: 20px;
}

.hero-logo-img {
    display: block;
    height: 140px;
    width: auto;
    margin: 0 auto 20px;
    filter: drop-shadow(0 2px 10px rgba(201, 169, 110, 0.35));
}

.title-line {
    display: block;
    font-size: 20px;
    font-weight: 500;
    letter-spacing: 6px;
    line-height: 1.2;
    color: var(--color-text-muted);
}

.hero-subtitle {
    font-size: 15px;
    color: var(--color-text-muted);
    max-width: 400px;
    margin: 0 auto 32px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    margin-bottom: 16px;
}

.hero-disclaimer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(201, 169, 110, 0.08);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.disclaimer-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-gold);
    color: var(--color-bg);
    font-size: 10px;
    font-weight: 700;
    flex-shrink: 0;
}

.hero-scroll {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.scroll-text {
    font-size: 11px;
    color: var(--color-text-muted);
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: rgba(201, 169, 110, 0.2);
    position: relative;
    overflow: hidden;
}

.scroll-dot {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--color-gold);
    border-radius: 50%;
    left: -1px;
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0% { top: 0; opacity: 1; }
    80% { top: 37px; opacity: 0; }
    100% { top: 0; opacity: 0; }
}

.hero-video-preview {
    position: relative;
    display: block;
    width: 100%;
    max-width: 320px;
    margin: 0 auto 12px;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    cursor: pointer;
    padding: 0;
    background: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.hero-video-preview:hover,
.hero-video-preview:focus-visible {
    border-color: var(--color-border-strong);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
    outline: none;
}

.hero-video-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.hero-video-preview:hover img,
.hero-video-preview:focus-visible img {
    transform: scale(1.04);
}

.video-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.25);
    transition: background 0.3s ease;
}

.hero-video-preview:hover .video-play-overlay,
.hero-video-preview:focus-visible .video-play-overlay {
    background: rgba(0, 0, 0, 0.4);
}

.video-play-overlay svg {
    width: 56px;
    height: 56px;
    color: var(--color-gold);
    transition: transform 0.3s ease;
}

.hero-video-preview:hover .video-play-overlay svg,
.hero-video-preview:focus-visible .video-play-overlay svg {
    transform: scale(1.12);
}

.hero-product {
    position: absolute;
    bottom: -20px;
    right: -60px;
    width: 200px;
    height: 260px;
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}

.product-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(201, 169, 110, 0.15) 0%, transparent 70%);
}

.bottle-svg {
    width: 100%;
    height: 100%;
}

/* ========================================
   ORIGIN
   ======================================== */
.origin {
    padding: 80px 0;
    background: var(--color-bg-light);
}

.origin-grid {
    display: grid;
    gap: 40px;
}

.origin-visual {
    order: -1;
}

.origin-image {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.origin-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.origin-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.origin-card {
    padding: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.origin-card:hover {
    border-color: var(--color-border-strong);
    transform: translateY(-4px);
}

.origin-num {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-gold);
    opacity: 0.4;
    margin-bottom: 8px;
    line-height: 1;
}

.origin-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.origin-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.75;
}

/* ========================================
   INGREDIENT
   ======================================== */
.ingredient {
    padding: 80px 0;
    background: var(--color-bg);
}

.ingredient-highlight {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    max-width: 520px;
    margin: 0 auto;
    padding: 36px 28px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

.ingredient-highlight:hover {
    border-color: var(--color-border-strong);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.ingredient-highlight-icon {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
}

.ingredient-highlight-icon svg {
    width: 100%;
    height: 100%;
}

.ingredient-highlight-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
}

.ingredient-highlight-content p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 20px;
}

.ingredient-highlight-content .btn-outline svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   PRODUCTS
   ======================================== */
.products {
    padding: 80px 0;
    background: var(--color-bg-light);
}

.products-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 32px;
}

.product-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--color-border-strong);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.product-card.featured {
    border-color: var(--color-border-strong);
}

.product-card.featured .product-tag {
    background: var(--color-gold);
    color: var(--color-bg);
}

.product-card-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle at 100% 0%, rgba(201, 169, 110, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.product-card-image {
    position: relative;
    z-index: 1;
    height: 260px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
}

.product-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 24px 8px var(--color-bg-light);
    pointer-events: none;
}

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

/* 优品款10支（第三张）在移动端保持原比例，避免过度裁切 */
.product-card:nth-child(3) .product-card-image img {
    object-fit: contain;
}

.product-card-content {
    position: relative;
    z-index: 1;
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
    align-items: flex-start;
}

.product-tag {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    border-radius: 100px;
    margin-bottom: 16px;
}

.product-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-spec {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.spec-item {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.product-desc {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 20px;
}

.product-price {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
    margin-top: auto;
    width: 100%;
    box-sizing: border-box;
}

.price-label {
    font-size: 12px;
    color: var(--color-text-muted);
}

.price-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-gold);
}

.product-buy {
    display: block;
    width: 100%;
    padding: 12px 0;
    margin-top: 16px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    border-radius: var(--radius);
    transition: var(--transition);
}

.product-buy:hover {
    background: var(--color-gold);
    color: var(--color-bg);
}

.products-disclaimer {
    text-align: center;
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ========================================
   CRAFT
   ======================================== */
.craft {
    padding: 80px 0;
    background: var(--color-bg);
}

.craft-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.craft-content {
    text-align: center;
    max-width: 640px;
}

.craft-brand-icon {
    width: 100px;
    height: 100px;
    padding: 0;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.craft-brand-icon img {
    width: 100%;
    height: 100%;
    display: block;
}

.craft-content .section-tag,
.craft-content .section-title {
    text-align: center;
}

.craft-text {
    margin-bottom: 32px;
}

.craft-text p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 16px;
}

.craft-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.craft-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--color-text-secondary);
}

.feature-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.craft-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
}

.craft-sub-visual {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
}

.craft-image {
    width: 100%;
    max-width: 280px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
}

.craft-image-cap {
    width: 100px;
    max-width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.craft-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* ========================================
   ABOUT
   ======================================== */
.about {
    padding: 80px 0;
    background: var(--color-bg-light);
}

.about-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 40px;
}

.about-card {
    padding: 32px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

.about-card:hover {
    border-color: var(--color-border-strong);
    transform: translateY(-4px);
}

.about-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
}

.about-icon svg {
    width: 100%;
    height: 100%;
}

.about-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.about-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.75;
}

.about-research {
    padding: 32px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.about-research h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.about-research p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 20px;
}

.research-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.research-badge {
    display: inline-block;
    padding: 6px 14px;
    font-size: 12px;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    border-radius: 100px;
}

/* ========================================
   NEWS
   ======================================== */
.news {
    padding: 80px 0;
    background: var(--color-bg-light);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.news-item {
    display: block;
    padding: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.news-item:hover {
    border-color: var(--color-border-strong);
    transform: translateY(-2px);
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.news-date {
    font-size: 13px;
    color: var(--color-text-muted);
}

.news-source {
    display: inline-block;
    padding: 2px 10px;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    border-radius: 100px;
}

.news-title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 8px;
}

.news-summary {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.75;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-arrow {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--color-gold);
}

.news-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-text-muted);
    font-size: 14px;
}

/* 新闻列表页 */
.news-page {
    padding-top: calc(var(--header-height) + 48px);
    padding-bottom: 80px;
    min-height: calc(100vh - var(--header-height));
}

/* ========================================
   MEDIA
   ======================================== */
.media {
    padding: 80px 0;
    background: var(--color-bg);
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.media-item {
    padding: 16px 12px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-align: center;
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: var(--transition);
}

.media-item:hover {
    border-color: var(--color-border-strong);
    color: var(--color-gold);
}

/* ========================================
   SOCIAL
   ======================================== */
.social {
    padding: 80px 0;
    background: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.social-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.social-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
}

.social-card:hover {
    border-color: var(--color-border-strong);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.social-platform {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(201, 169, 110, 0.18) 0%, rgba(201, 169, 110, 0.06) 100%);
    border: 1px solid var(--color-border-strong);
    color: var(--color-gold);
    margin-bottom: 16px;
}

.social-platform-icon {
    display: block;
    width: 28px;
    height: 28px;
    fill: currentColor;
}

.social-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
}

.social-qr-thumb {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 140px;
    height: 190px;
    padding: 6px;
    background: #ffffff;
    border-radius: 6px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-qr-thumb:hover,
.social-qr-thumb:focus-visible {
    transform: scale(1.04);
    box-shadow: 0 8px 20px rgba(201, 169, 110, 0.25);
    outline: none;
}

.social-qr-thumb img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.social-link {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 140px;
    height: 190px;
    border: 1px dashed var(--color-border-strong);
    border-radius: 6px;
    color: var(--color-gold);
    font-size: 14px;
    transition: var(--transition);
}

.social-link:hover,
.social-link:focus-visible {
    background: rgba(201, 169, 110, 0.06);
    border-color: var(--color-gold);
    outline: none;
}

.social-link svg {
    width: 28px;
    height: 28px;
}

.social-hint {
    margin-top: 12px;
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ========================================
   CTA
   ======================================== */
.cta {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cta-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(201, 169, 110, 0.1) 0%, transparent 60%),
                linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
}

.cta-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.02;
    background-image: radial-gradient(circle at 1px 1px, var(--color-gold) 1px, transparent 0);
    background-size: 30px 30px;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #e0c898 40%, #c9a96e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 8px rgba(201, 169, 110, 0.35));
}

.cta-desc {
    font-size: 15px;
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    margin-bottom: 40px;
}

.cta-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

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

.cta-feature svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: 60px 0 0;
    background: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    gap: 40px;
    margin-bottom: 40px;
}


.footer-logo {
    display: flex;
    align-items: center;
    line-height: 1;
    margin-bottom: 16px;
}

.footer-logo img {
    height: 48px;
    width: auto;
    display: block;
}

.footer-desc {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 16px;
}

.footer-disclaimer {
    padding: 12px 16px;
    background: rgba(201, 169, 110, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.footer-disclaimer p {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.footer-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-text);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a,
.footer-links button {
    font-size: 14px;
    color: var(--color-text-muted);
    transition: var(--transition);
    padding: 0;
    text-align: left;
    font-weight: inherit;
}

.footer-links a:hover,
.footer-links button:hover {
    color: var(--color-gold);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-contact span {
    font-size: 14px;
    color: var(--color-text-muted);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
}

.copyright {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ========================================
   QR MODAL
   ======================================== */
.qr-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.qr-modal.open {
    opacity: 1;
    visibility: visible;
}

.qr-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.qr-content {
    position: relative;
    z-index: 1;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius);
    padding: 48px 28px 28px;
    text-align: center;
    max-width: 320px;
    width: 90%;
}

.qr-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    transition: var(--transition);
}

.qr-close:hover {
    color: var(--color-gold);
    background: rgba(201, 169, 110, 0.15);
}

.qr-content img {
    width: 100%;
    max-width: 240px;
    height: auto;
    display: block;
    margin: 0 auto 16px;
    border-radius: 4px;
}

.qr-hint {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

/* ========================================
   VIDEO MODAL
   ======================================== */
.video-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-modal.open {
    opacity: 1;
    visibility: visible;
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.video-content {
    position: relative;
    z-index: 1;
    width: 92%;
    max-width: 960px;
    aspect-ratio: 16 / 9;
}

.video-player {
    width: 100%;
    height: 100%;
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
    border: 1px solid var(--color-border);
}

.video-player video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.video-close {
    position: absolute;
    top: -44px;
    right: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text);
    transition: var(--transition);
}

.video-close:hover,
.video-close:focus-visible {
    background: var(--color-gold);
    color: var(--color-bg);
    border-color: var(--color-gold);
    outline: none;
}

/* ========================================
   FLOATING SHARE
   ======================================== */
.floating-share {
    position: fixed;
    bottom: 80px;
    right: 24px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-gold);
    transition: var(--transition);
    z-index: 999;
}

.floating-share:hover,
.floating-share:focus-visible {
    background: var(--color-gold);
    color: var(--color-bg);
    border-color: var(--color-gold);
}

.share-toast {
    position: fixed;
    bottom: 140px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    padding: 10px 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius);
    color: var(--color-gold);
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    z-index: 1001;
    pointer-events: none;
}

.share-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ========================================
   RESPONSIVE - TABLET (768px+)
   ======================================== */
@media (min-width: 768px) {
    :root {
        --header-height: 80px;
    }

    .container {
        padding: 0 32px;
    }

    .section-title {
        font-size: 36px;
    }

    .section-header {
        margin-bottom: 60px;
    }

    .title-line {
        font-size: 52px;
    }

    .hero-subtitle {
        font-size: 17px;
        max-width: 520px;
    }

    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }

    .origin-grid {
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 48px;
    }

    .origin-visual {
        order: 0;
    }

    .ingredient-highlight {
        flex-direction: row;
        text-align: left;
        max-width: 640px;
        padding: 40px 36px;
        gap: 32px;
    }

    .ingredient-highlight-icon {
        width: 80px;
        height: 80px;
    }

    .news-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

    .product-card.featured {
        grid-column: span 2;
    }

    .craft-grid {
        align-items: center;
        gap: 48px;
    }

    .craft-visual {
        flex-direction: column;
        gap: 20px;
    }

    .craft-sub-visual {
        gap: 20px;
    }

    .craft-image {
        max-width: 320px;
    }

    .craft-image-cap {
        width: 140px;
        max-width: 140px;
        height: 140px;
    }

    .craft-brand-icon {
        width: 140px;
        height: 140px;
        padding: 0;
    }

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

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

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

    .cta-actions {
        flex-direction: row;
        justify-content: center;
    }

    .cta-features {
        flex-direction: row;
        justify-content: center;
        gap: 32px;
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* ========================================
   RESPONSIVE - DESKTOP (1024px+)
   ======================================== */
@media (min-width: 1024px) {
    .nav-menu {
        position: static;
        transform: none;
        background: none;
        backdrop-filter: none;
        padding: 0;
        flex: 1;
    }

    .nav-list {
        flex-direction: row;
        justify-content: center;
        gap: 0;
    }

    .nav-link {
        padding: 8px 16px;
        border-bottom: none;
        font-size: 14px;
        position: relative;
    }

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 2px;
        background: var(--color-gold);
        transition: var(--transition);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
        width: 20px;
    }

    .nav-actions {
        display: block;
    }

    .nav-toggle {
        display: none;
    }

    .title-line {
        font-size: 64px;
    }

    .hero-product {
        width: 300px;
        height: 380px;
        right: 5%;
        bottom: -20px;
        opacity: 0.25;
    }

    .craft-image {
        max-width: 360px;
    }

    .craft-image-cap {
        width: 160px;
        max-width: 160px;
        height: 160px;
    }

    .craft-brand-icon {
        width: 160px;
        height: 160px;
        padding: 0;
    }

    .products-grid {
        grid-template-columns: 1fr;
        max-width: 960px;
        margin: 0 auto;
    }

    .product-card {
        flex-direction: row;
        min-height: 320px;
    }

    .product-card-image {
        width: 42%;
        height: auto;
        min-height: 320px;
        border-bottom: none;
        border-right: 1px solid var(--color-border);
    }

    .product-card-image img {
        object-fit: contain;
    }

    .product-card-content {
        width: 58%;
        justify-content: center;
        padding: 32px 40px;
    }

    .product-card.featured {
        grid-column: span 1;
    }

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

    .media-grid {
        grid-template-columns: repeat(8, 1fr);
    }

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

/* ========================================
   UTILITY
   ======================================== */
.hide-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hide-mobile {
        display: inline;
    }
}