/* ============================================================
   前程酱酒 · 招商官网
   Design: 国潮红金 · 简洁大气 · 时尚质感
   ============================================================ */

:root {
    /* 主色: 中国红 + 帝王金 */
    --red-deep: #5B0A14;
    --red-primary: #8B0F1A;
    --red-bright: #B8192A;
    --red-soft: #D43A4A;
    --gold-deep: #8B6F1F;
    --gold-primary: #C9A84C;
    --gold-bright: #E8D48B;
    --gold-light: #F4E5B0;

    /* 中性色 */
    --ink-900: #1A0A0E;
    --ink-800: #2A1418;
    --ink-700: #4A2C2E;
    --ink-600: #6B4548;
    --ink-500: #8B6F70;
    --ink-400: #A89A9A;
    --ink-300: #C9C0BF;
    --ink-200: #E6DEDA;
    --ink-100: #F4EFEC;
    --paper: #FAF5F0;
    --white: #FFFFFF;

    /* 装饰 */
    --shadow-sm: 0 2px 8px rgba(91, 10, 20, 0.06);
    --shadow: 0 4px 20px rgba(91, 10, 20, 0.1);
    --shadow-lg: 0 16px 48px rgba(91, 10, 20, 0.18);
    --shadow-gold: 0 4px 24px rgba(201, 168, 76, 0.25);
    --shadow-deep: 0 24px 64px rgba(91, 10, 20, 0.32);

    /* 字体 */
    --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", system-ui, -apple-system, sans-serif;
    --font-display: "Songti SC", "STSong", "SimSun", "PingFang SC", serif;
    --font-num: "Cormorant Garamond", "Times New Roman", Georgia, serif;

    /* 动效 */
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in: cubic-bezier(0.4, 0, 0.2, 1);

    --container: 1240px;
    --gutter: 24px;
    --radius: 4px;
    --radius-lg: 8px;
    --radius-xl: 16px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-sans);
    color: var(--ink-800);
    background: var(--paper);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }
ul, ol { list-style: none; }
input, select, textarea { font: inherit; color: inherit; }
em { font-style: normal; }
::selection { background: var(--gold-primary); color: var(--red-deep); }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
}

/* ===== Typography ===== */
.section {
    padding: 120px 0;
    position: relative;
}
.section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 80px;
    position: relative;
}
.eyebrow {
    font-family: var(--font-sans);
    font-size: 12px;
    letter-spacing: 6px;
    color: var(--red-primary);
    font-weight: 500;
    margin-bottom: 24px;
    text-transform: uppercase;
    display: inline-block;
    position: relative;
}
.eyebrow::before, .eyebrow::after {
    content: '';
    display: inline-block;
    width: 32px;
    height: 1px;
    background: var(--gold-primary);
    vertical-align: middle;
    margin: 0 16px;
    transform: translateY(-2px);
}
.section-head.light .eyebrow { color: var(--gold-bright); }
.section-head.light .eyebrow::before,
.section-head.light .eyebrow::after { background: var(--gold-bright); }

.section-title {
    font-family: var(--font-display);
    font-size: 52px;
    line-height: 1.2;
    color: var(--ink-900);
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 4px;
}
.section-title em {
    color: var(--red-primary);
    font-style: normal;
    position: relative;
}
.section-title em::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
}
.section-head.light .section-title { color: var(--white); }
.section-head.light .section-title em { color: var(--gold-bright); }
.section-head.light .section-title em::after {
    background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);
}

.section-lead {
    font-size: 16px;
    color: var(--ink-500);
    line-height: 1.9;
    letter-spacing: 1px;
}
.section-head.light .section-lead { color: rgba(255,255,255,0.7); }

/* ===== Button ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 2px;
    border-radius: 2px;
    transition: all 0.4s var(--ease);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--red-primary) 0%, var(--red-deep) 100%);
    color: var(--gold-bright);
    box-shadow: 0 6px 24px rgba(139, 15, 26, 0.4);
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s var(--ease);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(139, 15, 26, 0.5);
    color: var(--white);
}
.btn-primary:hover::before { left: 100%; }

.btn-ghost {
    background: transparent;
    color: var(--gold-bright);
    border: 1px solid var(--gold-bright);
}
.btn-ghost:hover {
    background: var(--gold-bright);
    color: var(--red-deep);
    transform: translateY(-2px);
}

.btn-line {
    background: transparent;
    color: var(--red-primary);
    border: 1px solid var(--red-primary);
    padding: 12px 28px;
    font-size: 14px;
}
.btn-line:hover {
    background: var(--red-primary);
    color: var(--gold-bright);
    transform: translateY(-2px);
}
.btn-block { display: flex; width: 100%; }

/* ============================================================
   导航
   ============================================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(139, 15, 26, 0.08);
    transition: all 0.4s var(--ease);
}
.nav.scrolled {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}
.nav-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
    height: 72px;
    display: flex;
    align-items: center;
    gap: 48px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    text-decoration: none;
}
.logo-mark {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--red-primary), var(--red-deep));
    color: var(--gold-bright);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(139, 15, 26, 0.3);
}
.logo-text {
    font-family: var(--font-display);
    font-size: 19px;
    font-weight: 600;
    color: var(--ink-900);
    letter-spacing: 2px;
    line-height: 1.1;
    display: flex;
    flex-direction: column;
}
.logo-en {
    font-size: 9px;
    font-weight: 400;
    color: var(--ink-500);
    letter-spacing: 3px;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    gap: 36px;
    margin-left: auto;
}
.nav-menu a {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink-700);
    letter-spacing: 1.5px;
    position: relative;
    padding: 6px 0;
    transition: color 0.3s var(--ease);
}
.nav-menu a::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--red-primary), var(--gold-primary));
    transition: all 0.3s var(--ease);
    transform: translateX(-50%);
}
.nav-menu a:hover { color: var(--red-primary); }
.nav-menu a:hover::after { width: 100%; }

.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--red-primary);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 1px;
    flex-shrink: 0;
}
.phone-icon {
    width: 32px;
    height: 32px;
    background: var(--red-primary);
    color: var(--gold-bright);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(139, 15, 26, 0.4); }
    70% { box-shadow: 0 0 0 12px rgba(139, 15, 26, 0); }
    100% { box-shadow: 0 0 0 0 rgba(139, 15, 26, 0); }
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--ink-800);
    transition: all 0.3s;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    background: var(--red-deep);
    display: flex;
    align-items: center;
    padding: 120px 0 60px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: blur(0) brightness(0.6);
    transform: scale(1.05);
    animation: hero-zoom 20s ease-in-out infinite alternate;
}
@keyframes hero-zoom {
    from { transform: scale(1.05); }
    to { transform: scale(1.15); }
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(91, 10, 20, 0.4) 0%, rgba(91, 10, 20, 0.7) 60%, var(--red-deep) 100%);
}
.hero-clouds {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(201, 168, 76, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(201, 168, 76, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 6px;
    color: var(--gold-bright);
    padding: 8px 20px;
    border: 1px solid rgba(232, 212, 139, 0.3);
    border-radius: 100px;
    margin-bottom: 32px;
    animation: fade-in-up 1s var(--ease) 0.2s both;
}
.hero-title {
    font-family: var(--font-display);
    font-size: 88px;
    line-height: 1.05;
    color: var(--white);
    font-weight: 600;
    letter-spacing: 8px;
    margin-bottom: 32px;
    animation: fade-in-up 1s var(--ease) 0.4s both;
}
.title-line {
    display: block;
}
.title-line.gold {
    background: linear-gradient(135deg, var(--gold-bright), var(--gold-light), var(--gold-bright));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 60px rgba(201, 168, 76, 0.3);
}
.hero-subtitle {
    font-size: 18px;
    color: var(--gold-bright);
    letter-spacing: 3px;
    margin-bottom: 24px;
    animation: fade-in-up 1s var(--ease) 0.6s both;
}
.hero-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.9;
    max-width: 480px;
    margin-bottom: 48px;
    animation: fade-in-up 1s var(--ease) 0.7s both;
}
.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 64px;
    animation: fade-in-up 1s var(--ease) 0.8s both;
}
.hero-data {
    display: flex;
    align-items: center;
    gap: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(232, 212, 139, 0.2);
    animation: fade-in-up 1s var(--ease) 0.9s both;
}
.data-item { display: flex; flex-direction: column; }
.data-num {
    font-family: var(--font-num);
    font-size: 36px;
    color: var(--gold-bright);
    font-weight: 600;
    line-height: 1;
    letter-spacing: 1px;
}
.data-num .unit { font-size: 18px; }
.data-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 2px;
    margin-top: 8px;
}
.data-sep {
    width: 1px;
    height: 36px;
    background: rgba(232, 212, 139, 0.2);
}

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fade-in 1.2s var(--ease) 0.5s both;
}
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}
.visual-glow {
    position: absolute;
    inset: -10%;
    background: radial-gradient(circle, rgba(201, 168, 76, 0.4) 0%, transparent 60%);
    filter: blur(40px);
    animation: glow-pulse 4s ease-in-out infinite;
}
@keyframes glow-pulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}
.hero-product {
    position: relative;
    z-index: 1;
    max-width: 100%;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5));
    animation: float 6s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}
.visual-badge {
    position: absolute;
    z-index: 2;
    background: var(--gold-primary);
    color: var(--red-deep);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    animation: spin-slow 20s linear infinite;
}
.visual-badge.top-right {
    top: 8%;
    right: 8%;
    width: 96px;
    height: 96px;
    background: linear-gradient(135deg, var(--gold-bright), var(--gold-primary));
}
.visual-badge.bottom-left {
    bottom: 12%;
    left: 4%;
    width: 110px;
    height: 110px;
    background: var(--white);
    color: var(--red-primary);
    animation: spin-slow 30s linear infinite reverse;
}
@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.badge-circle {
    font-family: var(--font-num);
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}
.badge-text {
    font-size: 11px;
    letter-spacing: 2px;
    margin-top: 4px;
}
.badge-num {
    font-family: var(--font-num);
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
}
.badge-num small { font-size: 14px; }
.badge-sub {
    font-size: 11px;
    letter-spacing: 2px;
    margin-top: 4px;
    color: var(--ink-600);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 56px;
    border: 1px solid rgba(232, 212, 139, 0.4);
    border-radius: 16px;
    display: flex;
    justify-content: center;
    padding-top: 12px;
}
.hero-scroll span {
    width: 3px;
    height: 8px;
    background: var(--gold-bright);
    border-radius: 2px;
    animation: scroll-bounce 1.8s ease-in-out infinite;
}
@keyframes scroll-bounce {
    0% { transform: translateY(0); opacity: 0; }
    30% { opacity: 1; }
    60% { transform: translateY(20px); opacity: 0; }
    100% { transform: translateY(20px); opacity: 0; }
}

/* ============================================================
   品牌故事
   ============================================================ */
.section-brand {
    background: var(--white);
    position: relative;
    overflow: hidden;
}
.section-brand::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--gold-primary));
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.brand-card {
    background: var(--white);
    border: 1px solid var(--ink-200);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all 0.5s var(--ease);
    position: relative;
    overflow: hidden;
}
.brand-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--red-primary), var(--gold-primary), transparent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.6s var(--ease);
}
.brand-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.brand-card:hover::before { transform: scaleX(1); }
.brand-card-large {
    grid-column: span 2;
    grid-row: span 2;
    background: linear-gradient(135deg, var(--red-deep), var(--red-primary));
    color: var(--white);
    border: none;
    padding: 60px 48px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
}
.brand-card-large::after {
    content: '前';
    position: absolute;
    top: 40px;
    right: 48px;
    font-family: var(--font-display);
    font-size: 200px;
    color: rgba(255, 255, 255, 0.04);
    font-weight: 600;
    line-height: 1;
    pointer-events: none;
}
.brand-card-large .card-year {
    font-family: var(--font-num);
    font-size: 96px;
    color: var(--gold-bright);
    font-weight: 600;
    line-height: 1;
    margin-bottom: 24px;
    letter-spacing: 4px;
}
.brand-card-large h3 {
    font-family: var(--font-display);
    font-size: 32px;
    margin-bottom: 24px;
    font-weight: 500;
    letter-spacing: 4px;
}
.brand-card-large p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 2;
    margin-bottom: 32px;
    font-size: 15px;
}
.card-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(232, 212, 139, 0.15);
    color: var(--gold-bright);
    font-size: 12px;
    letter-spacing: 3px;
    border-radius: 100px;
    align-self: flex-start;
    border: 1px solid rgba(232, 212, 139, 0.3);
}
.card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--red-primary), var(--red-deep));
    color: var(--gold-bright);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px rgba(139, 15, 26, 0.2);
}
.brand-card h3 {
    font-family: var(--font-display);
    font-size: 22px;
    color: var(--ink-900);
    margin-bottom: 16px;
    font-weight: 500;
    letter-spacing: 2px;
}
.brand-card p {
    color: var(--ink-500);
    line-height: 1.9;
    font-size: 14px;
}

/* ============================================================
   古法工艺
   ============================================================ */
.section-craft {
    background: linear-gradient(180deg, var(--red-deep) 0%, #3A0810 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.section-craft::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 60%);
    pointer-events: none;
}
.craft-timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
}
.craft-step {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(232, 212, 139, 0.15);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
    transition: all 0.5s var(--ease);
    position: relative;
    overflow: hidden;
}
.craft-step:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--gold-primary);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}
.step-num {
    font-family: var(--font-num);
    font-size: 14px;
    color: var(--gold-bright);
    letter-spacing: 4px;
    margin-bottom: 24px;
    font-weight: 600;
}
.step-icon {
    font-size: 56px;
    margin-bottom: 24px;
    display: inline-block;
    transition: transform 0.5s var(--ease);
}
.craft-step:hover .step-icon {
    transform: scale(1.15) rotate(-5deg);
}
.craft-step h4 {
    font-family: var(--font-display);
    font-size: 24px;
    color: var(--white);
    margin-bottom: 16px;
    font-weight: 500;
    letter-spacing: 3px;
}
.craft-step p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.9;
    font-size: 14px;
    margin-bottom: 24px;
}
.step-time {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(201, 168, 76, 0.15);
    color: var(--gold-bright);
    font-size: 12px;
    letter-spacing: 2px;
    border-radius: 100px;
    border: 1px solid rgba(201, 168, 76, 0.3);
}

/* ============================================================
   产品系列
   ============================================================ */
.section-product {
    background: var(--paper);
    position: relative;
}
.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 60px;
    box-shadow: var(--shadow);
}
.product-stage {
    position: sticky;
    top: 120px;
    text-align: center;
    position: relative;
}
.product-bg-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(201, 168, 76, 0.12), transparent 60%);
    border-radius: 50%;
    z-index: 0;
}
#productImg {
    position: relative;
    z-index: 1;
    max-height: 600px;
    width: auto;
    margin: 0 auto;
    filter: drop-shadow(0 24px 48px rgba(139, 15, 26, 0.25));
    transition: all 0.5s var(--ease);
}

.product-tabs {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}
.product-tab {
    padding: 20px 24px;
    border: 1px solid var(--ink-200);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.3s var(--ease);
    background: var(--white);
}
.product-tab:hover {
    border-color: var(--red-primary);
    transform: translateX(4px);
}
.product-tab.active {
    background: linear-gradient(135deg, var(--red-primary), var(--red-deep));
    color: var(--white);
    border-color: var(--red-primary);
    box-shadow: 0 8px 24px rgba(139, 15, 26, 0.25);
}
.tab-name {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 2px;
    margin-bottom: 4px;
}
.tab-spec {
    font-size: 12px;
    color: var(--ink-500);
    letter-spacing: 1px;
}
.product-tab.active .tab-spec { color: var(--gold-bright); }

.info-panel { display: none; animation: fade-in 0.4s var(--ease); }
.info-panel.active { display: block; }
.info-panel h3 {
    font-family: var(--font-display);
    font-size: 32px;
    color: var(--ink-900);
    margin-bottom: 16px;
    font-weight: 500;
    letter-spacing: 2px;
}
.info-price {
    font-size: 14px;
    color: var(--ink-500);
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px dashed var(--ink-200);
}
.info-price strong {
    font-family: var(--font-num);
    font-size: 36px;
    color: var(--red-primary);
    font-weight: 600;
    margin: 0 8px;
    letter-spacing: 1px;
}
.info-unit {
    font-size: 14px;
    color: var(--ink-500);
}
.info-list {
    margin-bottom: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 24px;
}
.info-list li {
    font-size: 14px;
    color: var(--ink-700);
    padding: 6px 0;
    display: flex;
    gap: 12px;
    border-bottom: 1px solid var(--ink-100);
}
.info-list li span {
    color: var(--ink-500);
    flex-shrink: 0;
    min-width: 80px;
}
.info-desc {
    font-size: 14px;
    color: var(--ink-500);
    line-height: 1.9;
    padding-top: 16px;
    border-top: 1px solid var(--ink-100);
}

/* ============================================================
   荣誉资质
   ============================================================ */
.section-honor {
    background: var(--white);
}
.honor-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}
.honor-item {
    text-align: center;
    padding: 40px 20px;
    border-radius: var(--radius-lg);
    transition: all 0.4s var(--ease);
    background: var(--white);
    border: 1px solid var(--ink-100);
}
.honor-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gold-primary);
}
.honor-icon {
    font-size: 56px;
    margin-bottom: 20px;
    display: inline-block;
    transition: transform 0.5s var(--ease);
}
.honor-item:hover .honor-icon {
    transform: scale(1.1);
}
.honor-title {
    font-family: var(--font-display);
    font-size: 16px;
    color: var(--ink-900);
    margin-bottom: 8px;
    font-weight: 500;
    letter-spacing: 1px;
}
.honor-desc {
    font-size: 12px;
    color: var(--ink-500);
    letter-spacing: 1px;
}

/* ============================================================
   招商政策
   ============================================================ */
.section-policy {
    background: linear-gradient(180deg, var(--red-deep) 0%, #2A0610 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.section-policy::before {
    content: '招  商';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: 320px;
    color: rgba(232, 212, 139, 0.03);
    font-weight: 600;
    letter-spacing: 60px;
    pointer-events: none;
    white-space: nowrap;
}
.policy-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
    margin-bottom: 100px;
}
.policy-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(232, 212, 139, 0.12);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.5s var(--ease);
    position: relative;
}
.policy-item:hover {
    background: rgba(232, 212, 139, 0.1);
    border-color: var(--gold-bright);
    transform: translateY(-6px);
}
.policy-num {
    font-family: var(--font-num);
    font-size: 14px;
    color: var(--gold-bright);
    letter-spacing: 3px;
    margin-bottom: 16px;
    font-weight: 600;
}
.policy-item h4 {
    font-family: var(--font-display);
    font-size: 18px;
    color: var(--white);
    margin-bottom: 12px;
    font-weight: 500;
    letter-spacing: 2px;
}
.policy-item p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* 投资档位 */
.investment-levels {
    position: relative;
}
.levels-title {
    text-align: center;
    font-family: var(--font-display);
    font-size: 32px;
    color: var(--white);
    margin-bottom: 48px;
    font-weight: 500;
    letter-spacing: 4px;
    position: relative;
}
.levels-title::before,
.levels-title::after {
    content: '';
    display: inline-block;
    width: 60px;
    height: 1px;
    background: var(--gold-primary);
    vertical-align: middle;
    margin: 0 20px;
}
.levels-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.level-card {
    background: var(--white);
    color: var(--ink-800);
    border-radius: var(--radius-xl);
    padding: 48px 36px;
    text-align: center;
    transition: all 0.5s var(--ease);
    position: relative;
    overflow: hidden;
}
.level-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-deep);
}
.level-card.featured {
    background: linear-gradient(180deg, var(--white), var(--paper));
    border: 2px solid var(--gold-primary);
    transform: scale(1.05);
}
.level-card.featured:hover { transform: scale(1.05) translateY(-12px); }
.level-tag {
    position: absolute;
    top: 20px;
    right: -32px;
    background: var(--ink-300);
    color: var(--white);
    font-size: 12px;
    letter-spacing: 2px;
    padding: 4px 36px;
    transform: rotate(45deg);
    transform-origin: center;
}
.level-tag.hot {
    background: linear-gradient(135deg, var(--red-primary), var(--red-deep));
    color: var(--gold-bright);
}
.level-name {
    font-family: var(--font-display);
    font-size: 24px;
    color: var(--ink-900);
    margin-bottom: 16px;
    font-weight: 500;
    letter-spacing: 3px;
}
.level-amount {
    font-family: var(--font-num);
    font-size: 48px;
    color: var(--red-primary);
    font-weight: 600;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--ink-200);
    letter-spacing: 1px;
}
.level-amount small {
    font-size: 18px;
    color: var(--ink-500);
    font-weight: 400;
    margin-left: 4px;
}
.level-card ul {
    text-align: left;
    margin-bottom: 32px;
}
.level-card ul li {
    font-size: 14px;
    color: var(--ink-600);
    padding: 10px 0;
    padding-left: 24px;
    position: relative;
    border-bottom: 1px dashed var(--ink-200);
}
.level-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--red-primary);
    font-weight: bold;
}

/* ============================================================
   联系我们
   ============================================================ */
.section-contact {
    background: var(--paper);
    position: relative;
}
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.contact-info {
    background: linear-gradient(135deg, var(--red-deep), var(--red-primary));
    color: var(--white);
    padding: 64px 48px;
    position: relative;
    overflow: hidden;
}
.contact-info::before {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(201, 168, 76, 0.15) 0%, transparent 60%);
    border-radius: 50%;
}
.contact-info .section-title.light { margin-bottom: 24px; }
.contact-lead {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.9;
    margin-bottom: 40px;
    position: relative;
}
.contact-list {
    position: relative;
    margin-bottom: 48px;
}
.contact-list li {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    align-items: center;
}
.ci-icon {
    width: 48px;
    height: 48px;
    background: rgba(232, 212, 139, 0.15);
    color: var(--gold-bright);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}
.ci-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 2px;
    margin-bottom: 4px;
}
.ci-value {
    font-size: 16px;
    color: var(--white);
    font-weight: 500;
}
.contact-extra {
    display: flex;
    gap: 24px;
    position: relative;
}
.qr-block {
    text-align: center;
}
.qr-img {
    width: 100px;
    height: 100px;
    background:
        linear-gradient(90deg, var(--ink-900) 50%, transparent 50%) 0 0/10px 10px,
        linear-gradient(0deg, var(--ink-900) 50%, transparent 50%) 0 0/10px 10px,
        var(--white);
    border-radius: 4px;
    margin-bottom: 8px;
    position: relative;
}
.qr-img::before, .qr-img::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border: 4px solid var(--ink-900);
    background: transparent;
    z-index: 2;
    pointer-events: none;
}
.qr-img::before { top: 8px; left: 8px; }
.qr-img::after { top: 8px; right: 8px; }
.qr-inner-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
    z-index: 1;
}
.qr-cap {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
}

.contact-form {
    padding: 64px 48px;
}
.form-title {
    font-family: var(--font-display);
    font-size: 28px;
    color: var(--ink-900);
    margin-bottom: 8px;
    font-weight: 500;
    letter-spacing: 2px;
}
.form-sub {
    font-size: 14px;
    color: var(--ink-500);
    margin-bottom: 32px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
.form-field {
    margin-bottom: 16px;
}
.form-field label {
    display: block;
    font-size: 13px;
    color: var(--ink-700);
    margin-bottom: 8px;
    font-weight: 500;
}
.form-field em {
    color: var(--red-primary);
    margin-left: 4px;
}
.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--paper);
    border: 1px solid var(--ink-200);
    border-radius: var(--radius);
    color: var(--ink-800);
    font-size: 14px;
    transition: all 0.3s var(--ease);
    outline: none;
}
.form-field textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: var(--red-primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(139, 15, 26, 0.1);
}
.radio-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.radio {
    flex: 1;
    min-width: 100px;
    cursor: pointer;
}
.radio input { display: none; }
.radio span {
    display: block;
    text-align: center;
    padding: 10px 12px;
    background: var(--paper);
    border: 1px solid var(--ink-200);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--ink-600);
    transition: all 0.3s var(--ease);
}
.radio input:checked + span {
    background: linear-gradient(135deg, var(--red-primary), var(--red-deep));
    color: var(--gold-bright);
    border-color: var(--red-primary);
}
.form-tip {
    font-size: 12px;
    color: var(--ink-400);
    margin-top: 12px;
    line-height: 1.7;
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
    background: var(--ink-900);
    color: var(--ink-300);
    padding: 64px 0 32px;
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 32px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.footer-logo .logo-mark {
    background: linear-gradient(135deg, var(--red-primary), var(--red-deep));
}
.footer-logo .logo-text {
    color: var(--white);
    font-size: 22px;
}
.footer-brand p {
    color: var(--ink-400);
    line-height: 1.8;
    font-size: 14px;
}
.footer-col h5 {
    color: var(--white);
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 20px;
    letter-spacing: 2px;
}
.footer-col a {
    display: block;
    color: var(--ink-400);
    font-size: 13px;
    margin-bottom: 12px;
    transition: color 0.3s;
}
.footer-col a:hover { color: var(--gold-bright); }
.footer-bottom {
    text-align: center;
    font-size: 12px;
    color: var(--ink-500);
    line-height: 1.8;
}
.footer-warn { color: var(--ink-500); margin-top: 8px; }
.footer-beian {
    color: var(--ink-500);
    text-decoration: none;
    transition: color .2s;
}
.footer-beian:hover { color: var(--gold); }

/* ============================================================
   悬浮按钮
   ============================================================ */
.floats {
    position: fixed;
    right: 24px;
    bottom: 80px;
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.float-btn {
    width: 56px;
    height: 56px;
    background: var(--white);
    border: 1px solid var(--ink-200);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: all 0.3s var(--ease);
    font-size: 11px;
    color: var(--ink-700);
}
.float-btn span { font-size: 18px; margin-bottom: 2px; }
.float-btn em { font-style: normal; font-size: 10px; }
.float-btn:hover {
    background: var(--red-primary);
    color: var(--gold-bright);
    border-color: var(--red-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}
.float-up {
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
}
.float-up.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(91, 10, 20, 0.95);
    color: var(--gold-bright);
    padding: 24px 36px;
    border-radius: var(--radius);
    font-size: 16px;
    letter-spacing: 1px;
    box-shadow: var(--shadow-deep);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s var(--ease);
    border: 1px solid var(--gold-primary);
}
.toast.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ============================================================
   Reveal animations
   ============================================================ */
[data-reveal] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
    .nav-menu { display: none; }
    .nav-toggle { display: flex; }
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-title { font-size: 64px; }
    .hero-data { justify-content: center; }
    .hero-cta { justify-content: center; }
    .hero-desc { margin: 0 auto 48px; }
    .hero-visual { max-width: 500px; margin: 40px auto 0; }
    .brand-grid { grid-template-columns: 1fr 1fr; }
    .brand-card-large { grid-column: span 2; }
    .craft-timeline { grid-template-columns: 1fr 1fr; }
    .policy-grid { grid-template-columns: repeat(3, 1fr); }
    .honor-grid { grid-template-columns: repeat(3, 1fr); }
    .product-showcase { grid-template-columns: 1fr; }
    .product-stage { position: relative; top: 0; }
    .levels-grid { grid-template-columns: 1fr; }
    .level-card.featured { transform: none; }
    .level-card.featured:hover { transform: translateY(-12px); }
    .contact-wrap { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .section { padding: 80px 0; }
    .section-title { font-size: 40px; }
}
@media (max-width: 640px) {
    .container { padding: 0 20px; }
    .nav-inner { gap: 16px; height: 60px; }
    .nav-phone .phone-text { display: none; }
    .logo-en { display: none; }
    .hero { padding-top: 100px; }
    .hero-title { font-size: 48px; letter-spacing: 4px; }
    .hero-subtitle { font-size: 14px; }
    .hero-cta { flex-direction: column; }
    .btn { padding: 14px 32px; }
    .hero-data { flex-wrap: wrap; gap: 16px; }
    .data-sep { display: none; }
    .section-title { font-size: 32px; }
    .section { padding: 64px 0; }
    .section-head { margin-bottom: 48px; }
    .brand-grid { grid-template-columns: 1fr; }
    .brand-card-large { grid-column: span 1; padding: 40px 28px; }
    .brand-card-large .card-year { font-size: 72px; }
    .craft-timeline { grid-template-columns: 1fr; }
    .policy-grid { grid-template-columns: 1fr 1fr; }
    .honor-grid { grid-template-columns: 1fr 1fr; }
    .info-list { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .contact-info, .contact-form { padding: 40px 24px; }
    .product-showcase { padding: 32px 20px; }
    .footer-top { grid-template-columns: 1fr; gap: 32px; }
    .floats { right: 12px; bottom: 12px; }
    .float-btn { width: 48px; height: 48px; }
    .section-policy::before { font-size: 160px; letter-spacing: 20px; }
}