/* ============================================
   德子�?DeZiJiao - 全站样式 v3.0
   主题色：橘红 #FF6A1A + 暖金 #C9A45C
   设计风格：高端大气、奢华质感、光影层次、装饰精�?
   ============================================ */

:root {
    /* 品牌主色 - 橘红色系 */
    --primary: #FF6A1A;
    --primary-dark: #D84A00;
    --primary-mid: #E55A0E;
    --primary-light: #FF8C42;
    --primary-bg: #FFF4ED;

    /* 暖金色系 - 装饰�?*/
    --gold: #C9A45C;
    --gold-light: #E8C97A;
    --gold-dark: #A88642;
    --gold-bg: #FAF5E9;
    --gold-shine: #F5D7A0;

    /* 中性色 */
    --dark: #1A1A1A;
    --dark-2: #2A2520;
    --dark-3: #3D3530;
    --gray-900: #1F1B17;
    --gray-700: #4A4540;
    --gray-500: #7A726A;
    --gray-300: #D5CFC8;
    --gray-200: #E5DFD8;
    --gray-100: #F2EDE7;
    --light: #FAF7F2;
    --white: #FFFFFF;
    --cream: #FBF6EE;

    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(60, 30, 0, .06);
    --shadow: 0 6px 18px rgba(60, 30, 0, .08);
    --shadow-md: 0 10px 28px rgba(60, 30, 0, .1);
    --shadow-lg: 0 18px 42px rgba(60, 30, 0, .14);
    --shadow-xl: 0 28px 72px rgba(60, 30, 0, .18);
    --shadow-gold: 0 8px 24px rgba(201, 164, 92, .25);
    --shadow-glow: 0 0 40px rgba(255, 106, 26, .15);

    /* 圆角 */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 18px;
    --radius-xl: 28px;
    --radius-xxl: 40px;

    /* 容器 */
    --container: 1320px;
    --container-narrow: 1160px;

    /* 渐变 */
    --grad-gold: linear-gradient(135deg, #C9A45C 0%, #E8C97A 50%, #C9A45C 100%);
    --grad-gold-shine: linear-gradient(135deg, #E8C97A 0%, #F5D7A0 30%, #E8C97A 60%, #C9A45C 100%);
    --grad-primary: linear-gradient(135deg, #FF6A1A 0%, #D84A00 100%);
    --grad-primary-glow: linear-gradient(135deg, #FF8C42 0%, #FF6A1A 50%, #D84A00 100%);
    --grad-warm: linear-gradient(135deg, #FFB07A 0%, #FF6A1A 50%, #D84A00 100%);
    --grad-dark: linear-gradient(135deg, #0F0603 0%, #1A0A05 30%, #2D1408 60%, #4A1E0A 100%);
    --grad-dark-vip: linear-gradient(180deg, #1A0A05 0%, #0F0603 50%, #0A0402 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--gray-700);
    background: var(--cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 106, 26, .03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(201, 164, 92, .02) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 106, 26, .02) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s;
}

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark);
    letter-spacing: -.01em;
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.2rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); margin-bottom: .8rem; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.7rem); margin-bottom: .6rem; }
h4 { font-size: 1.15rem; margin-bottom: .5rem; }
p { margin-bottom: 1rem; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============ 顶部导航 ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(201, 164, 92, .1);
    box-shadow: 0 2px 20px rgba(60, 30, 0, .06);
}

.site-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--grad-primary);
}

.site-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 164, 92, .3), transparent);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 88px;
    gap: 2.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
    color: var(--dark);
    position: relative;
}

.brand::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -1.25rem;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, rgba(201, 164, 92, .4), transparent);
}

.brand img {
    width: auto;
    height: 54px;
    border-radius: 4px;
    object-fit: contain;
    border: none;
    box-shadow: none;
    background: transparent;
    padding: 0;
    transition: transform .35s cubic-bezier(.34, 1.56, .64, 1);
}

.brand:hover img {
    transform: scale(1.05);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.brand-text strong {
    font-size: 1.3rem;
    letter-spacing: .06em;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.brand-text span {
    font-size: .76rem;
    color: var(--gray-500);
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    gap: 2.25rem;
    align-items: center;
    flex-grow: 1;
    justify-content: center;
}

.nav-menu a {
    color: var(--gray-700);
    font-weight: 600;
    font-size: .98rem;
    padding: .5rem 0;
    border-bottom: 2px solid transparent;
    transition: all .3s;
    position: relative;
    letter-spacing: .02em;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    transform: scaleX(1);
}

.nav-cta {
    background: var(--grad-primary);
    color: var(--white) !important;
    padding: .75rem 1.75rem !important;
    border-radius: 999px;
    border: none !important;
    font-weight: 700;
    box-shadow: 0 6px 18px rgba(255, 106, 26, .35);
    letter-spacing: .04em;
}

.nav-cta:hover {
    color: var(--white) !important;
    border-bottom-color: transparent !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(255, 106, 26, .45);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--dark);
    padding: .5rem;
}

/* ============ Hero 区域 ============ */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--grad-dark);
    color: var(--white);
    overflow: hidden;
    isolation: isolate;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -2;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 15% 40%, rgba(255, 106, 26, .42), transparent 50%),
        radial-gradient(ellipse at 85% 15%, rgba(201, 164, 92, .35), transparent 45%),
        radial-gradient(ellipse at 50% 85%, rgba(255, 106, 26, .2), transparent 55%),
        linear-gradient(180deg, rgba(15, 6, 3, .4) 0%, rgba(26, 10, 5, .7) 50%, rgba(15, 6, 3, .92) 100%);
    z-index: -1;
}

.hero-decor {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.hero-decor .circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(201, 164, 92, .12);
}

.hero-decor .circle:nth-child(1) {
    width: 600px;
    height: 600px;
    top: -150px;
    right: -100px;
    background: radial-gradient(circle, rgba(201, 164, 92, .08) 0%, transparent 70%);
}

.hero-decor .circle:nth-child(2) {
    width: 400px;
    height: 400px;
    bottom: -80px;
    left: -50px;
    background: radial-gradient(circle, rgba(255, 106, 26, .06) 0%, transparent 70%);
}

.hero-decor .circle:nth-child(3) {
    width: 200px;
    height: 200px;
    top: 40%;
    right: 20%;
    border-color: rgba(201, 164, 92, .08);
}

.hero-decor .line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 164, 92, .15), transparent);
}

.hero-decor .line:nth-child(4) {
    width: 300px;
    top: 30%;
    right: 5%;
    transform: rotate(-15deg);
}

.hero-decor .line:nth-child(5) {
    width: 200px;
    bottom: 40%;
    left: 10%;
    transform: rotate(25deg);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 920px;
    padding: 8rem 0;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(201, 164, 92, .12);
    color: var(--gold-shine);
    border: 1px solid rgba(232, 201, 122, .35);
    padding: .6rem 1.4rem;
    border-radius: 999px;
    font-size: .88rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: .1em;
    backdrop-filter: blur(12px);
    box-shadow: 0 0 20px rgba(201, 164, 92, .08);
}

.hero-eyebrow::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gold-light);
    box-shadow: 0 0 10px var(--gold-light);
}

.hero h1 {
    color: var(--white);
    font-size: clamp(2.6rem, 6.2vw, 4.6rem);
    line-height: 1.08;
    margin-bottom: 2rem;
    text-shadow: 0 4px 30px rgba(0, 0, 0, .6), 0 1px 2px rgba(0, 0, 0, .8);
    font-weight: 900;
    letter-spacing: -.025em;
}

.hero h1 .accent {
    display: inline-block;
    position: relative;
    background: var(--grad-gold-shine);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
}

.hero h1 .accent::after {
    content: '';
    position: absolute;
    left: -4px;
    right: -4px;
    bottom: -.12em;
    height: 3px;
    background: var(--grad-gold-shine);
    border-radius: 2px;
    box-shadow: 0 0 12px rgba(201, 164, 92, .6);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: rgba(255, 255, 255, .92);
    margin-bottom: 2.8rem;
    max-width: 760px;
    line-height: 1.8;
    letter-spacing: .01em;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}

.hero-trust {
    display: flex;
    gap: 1.5rem 3rem;
    flex-wrap: wrap;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(201, 164, 92, .2);
}

.trust-item {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    color: rgba(255, 255, 255, .92);
    font-size: .95rem;
    font-weight: 500;
    letter-spacing: .04em;
    padding: .6rem 1rem;
    background: rgba(255, 255, 255, .03);
    border-radius: 8px;
    border: 1px solid rgba(201, 164, 92, .1);
}

.trust-icon {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold-light);
    box-shadow: 0 0 8px var(--gold-light);
}

/* ============ 按钮 ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: 1rem 2rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all .25s;
    text-decoration: none;
    line-height: 1.2;
    letter-spacing: .02em;
}

.btn-primary {
    background: var(--grad-primary);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 6px 20px rgba(255, 106, 26, .35);
}

.btn-primary:hover {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(255, 106, 26, .5);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, .55);
    backdrop-filter: blur(8px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, .12);
    color: var(--white);
    border-color: var(--white);
}

.btn-ghost {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-ghost:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 106, 26, .3);
}

/* ============ 节区通用 ============ */
.section {
    padding: 7.5rem 0;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: .3;
}

.section-tight {
    padding: 4rem 0;
}

.section-eyebrow {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: .85rem;
    text-transform: uppercase;
    letter-spacing: .2em;
    margin-bottom: 1rem;
    padding: .35rem 1rem;
    background: var(--primary-bg);
    border-radius: 999px;
    border: 1px solid rgba(255, 106, 26, .15);
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    color: var(--dark);
    position: relative;
    font-weight: 800;
    letter-spacing: -.015em;
}

.section-title .gold-accent {
    color: var(--gold);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-500);
    max-width: 720px;
    margin: 0 auto 3.5rem;
    font-size: 1.05rem;
    line-height: 1.75;
}

.section-divider {
    width: 64px;
    height: 3px;
    background: var(--grad-gold);
    margin: 0 auto 2.5rem;
    border-radius: 2px;
    position: relative;
}

.section-divider::before,
.section-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gold);
}

.section-divider::before { left: -16px; }
.section-divider::after { right: -16px; }

/* ============ 卡片网格 ============ */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

.card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: all .4s;
    border: 1px solid rgba(201, 164, 92, .08);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .4s;
}

.card::after {
    content: '';
    position: absolute;
    top: -60%;
    left: -60%;
    width: 220%;
    height: 220%;
    background: radial-gradient(circle at center, rgba(255, 106, 26, .03), transparent 60%);
    opacity: 0;
    transition: opacity .4s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 106, 26, .25);
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover::after {
    opacity: 1;
}

.card-inner {
    position: relative;
    z-index: 1;
}

.card-icon {
    width: 68px;
    height: 68px;
    border-radius: 18px;
    background: var(--grad-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.65rem;
    font-weight: 700;
    margin-bottom: 1.6rem;
    box-shadow: 0 8px 20px rgba(255, 106, 26, .35);
    position: relative;
    transition: transform .3s;
}

.card-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 20px;
    background: var(--grad-primary);
    opacity: .2;
    z-index: -1;
    filter: blur(10px);
}

.card:hover .card-icon {
    transform: scale(1.08);
}

.card h3 {
    color: var(--dark);
    margin-bottom: .9rem;
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -.01em;
}

.card p {
    color: var(--gray-700);
    font-size: 1rem;
    line-height: 1.8;
    margin: 0;
}

/* ============ 数据指标 ============ */
.metric {
    text-align: center;
    padding: 2rem 1rem;
}

.metric-value {
    font-size: clamp(2.4rem, 4vw, 3.4rem);
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: .5rem;
    letter-spacing: -.025em;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metric-label {
    color: var(--gray-700);
    font-weight: 500;
    font-size: .95rem;
}

/* ============ FAQ ============ */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    overflow: hidden;
    transition: all .25s;
}

.faq-item:hover {
    border-color: rgba(255, 106, 26, .2);
    box-shadow: var(--shadow);
}

.faq-question {
    padding: 1.4rem 1.75rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    color: var(--dark);
    font-size: 1.05rem;
    user-select: none;
}

.faq-question::after {
    content: '+';
    font-size: 1.4rem;
    color: var(--primary);
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--primary-bg);
    font-weight: 400;
}

.faq-item.open .faq-question::after {
    content: '�?;
    background: var(--primary);
    color: var(--white);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    color: var(--gray-700);
    line-height: 1.8;
}

.faq-item.open .faq-answer {
    max-height: 600px;
}

.faq-answer-inner {
    padding: 0 1.75rem 1.4rem;
}

/* ============ CTA Banner ============ */
.cta-banner {
    background: var(--grad-warm);
    color: var(--white);
    padding: 4.5rem 2.5rem;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(255, 255, 255, .15), transparent 60%);
    pointer-events: none;
}

.cta-banner h2 {
    color: var(--white);
    margin-bottom: 1rem;
    position: relative;
}

.cta-banner p {
    color: rgba(255, 255, 255, .95);
    max-width: 620px;
    margin: 0 auto 2rem;
    font-size: 1.05rem;
    position: relative;
}

.cta-banner .btn-primary {
    background: var(--white);
    color: var(--primary);
    border-color: var(--white);
    position: relative;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
}

.cta-banner .btn-primary:hover {
    background: var(--light);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, .2);
}

/* ============ 表格 ============ */
.table-wrap {
    overflow-x: auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.data-table th,
.data-table td {
    padding: 1.1rem 1.4rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
}

.data-table th {
    background: linear-gradient(135deg, var(--primary-bg), transparent);
    font-weight: 700;
    color: var(--dark);
    font-size: .95rem;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: rgba(255, 106, 26, .03);
}

/* ============ 联系�?============ */
.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-item {
    display: flex;
    gap: 1.1rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: all .25s;
}

.contact-item:hover {
    border-color: rgba(255, 106, 26, .2);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--grad-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(255, 106, 26, .25);
}

.contact-item h4 {
    margin-bottom: .35rem;
    font-size: 1.05rem;
    color: var(--dark);
    font-weight: 700;
}

.contact-item p {
    color: var(--gray-700);
    font-size: .95rem;
    margin: 0;
    line-height: 1.65;
}

.form-card {
    background: var(--white);
    padding: 2.75rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    position: relative;
    overflow: hidden;
}

.form-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--grad-primary);
}

.form-row {
    margin-bottom: 1.4rem;
}

.form-row label {
    display: block;
    margin-bottom: .55rem;
    font-weight: 600;
    color: var(--dark);
    font-size: .92rem;
}

.form-row label .required {
    color: var(--primary);
    margin-left: 2px;
}

.form-row input,
.form-row select,
.form-row textarea {
    width: 100%;
    padding: .85rem 1.1rem;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    background: var(--white);
    transition: all .2s;
    color: var(--dark);
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 106, 26, .12);
    background: var(--white);
}

.form-row textarea {
    min-height: 130px;
    resize: vertical;
}

/* ============ 投资方案�?============ */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    margin-top: 2.5rem;
}

.plan-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.75rem 2.25rem;
    box-shadow: var(--shadow);
    border: 2px solid var(--gray-100);
    position: relative;
    transition: all .3s;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s;
}

.plan-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.plan-card:hover::before {
    transform: scaleX(1);
}

.plan-card.featured {
    border-color: var(--primary);
    transform: scale(1.04);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(180deg, var(--white) 0%, var(--primary-bg) 100%);
}

.plan-card.featured::before {
    transform: scaleX(1);
}

.plan-card.featured:hover {
    transform: scale(1.04) translateY(-6px);
}

.plan-badge {
    position: absolute;
    top: -14px;
    right: 1.75rem;
    background: var(--grad-primary);
    color: var(--white);
    padding: .4rem 1.1rem;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .08em;
    box-shadow: 0 4px 12px rgba(255, 106, 26, .4);
}

.plan-title {
    color: var(--primary);
    font-size: 1.4rem;
    margin-bottom: .35rem;
    font-weight: 700;
}

.plan-tagline {
    color: var(--gray-500);
    font-size: .9rem;
    margin-bottom: 1.5rem;
}

.plan-ratio {
    text-align: center;
    padding: 1.75rem 0;
    border-top: 1px dashed var(--gray-300);
    border-bottom: 1px dashed var(--gray-300);
    margin-bottom: 1.5rem;
    position: relative;
}

.plan-ratio-value {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--dark);
    line-height: 1;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.plan-ratio-label {
    color: var(--gray-500);
    font-size: .85rem;
    margin-top: .35rem;
}

.plan-features {
    list-style: none;
    margin: 0 0 1.5rem;
    flex-grow: 1;
}

.plan-features li {
    padding: .55rem 0;
    color: var(--gray-700);
    font-size: .95rem;
    display: flex;
    gap: .55rem;
    align-items: center;
}

.plan-features li::before {
    content: '�?;
    color: var(--primary);
    font-weight: 700;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary-bg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
}

.plan-card .btn {
    width: 100%;
    margin-top: auto;
}

/* ============ 时间�?============ */
.timeline {
    position: relative;
    max-width: 820px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 28px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--gold), var(--primary), var(--gold));
}

.timeline-item {
    position: relative;
    padding-left: 78px;
    margin-bottom: 2.5rem;
}

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--grad-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 0 0 4px var(--cream), 0 0 0 6px var(--primary), 0 6px 16px rgba(255, 106, 26, .35);
}

.timeline-item h3 {
    color: var(--primary);
    margin-bottom: .55rem;
}

/* ============ 页脚 ============ */
.site-footer {
    background: var(--grad-dark-vip);
    color: rgba(255, 255, 255, .8);
    padding: 5.5rem 0 2.5rem;
    margin-top: 6rem;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--grad-gold-shine);
    box-shadow: 0 0 20px rgba(201, 164, 92, .3);
}

.site-footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 164, 92, .4), transparent);
}

.footer-decor {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.footer-decor .circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(201, 164, 92, .06);
}

.footer-decor .circle:nth-child(1) {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -50px;
    background: radial-gradient(circle, rgba(201, 164, 92, .04) 0%, transparent 70%);
}

.footer-decor .circle:nth-child(2) {
    width: 250px;
    height: 250px;
    bottom: -50px;
    left: -30px;
    background: radial-gradient(circle, rgba(255, 106, 26, .03) 0%, transparent 70%);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
    position: relative;
    z-index: 1;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    position: relative;
    padding-bottom: .8rem;
    letter-spacing: .03em;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 36px;
    height: 2px;
    background: var(--grad-gold);
    border-radius: 1px;
}

.footer-col ul li {
    margin-bottom: .85rem;
}

.footer-col a {
    color: rgba(255, 255, 255, .68);
    font-size: .95rem;
    transition: all .3s;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
}

.footer-col a::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(201, 164, 92, .5);
    opacity: 0;
    transform: translateX(-6px);
    transition: all .3s;
}

.footer-col a:hover {
    color: var(--gold-light);
    padding-left: .5rem;
}

.footer-col a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-brand p {
    color: rgba(255, 255, 255, .65);
    font-size: .95rem;
    line-height: 1.85;
    margin: 1.4rem 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1.5rem;
    color: rgba(255, 255, 255, .5);
    font-size: .9rem;
    position: relative;
    z-index: 1;
}

.footer-bottom a {
    color: rgba(255, 255, 255, .5);
    transition: color .3s;
}

.footer-bottom a:hover {
    color: var(--gold-light);
}

/* ============ 面包�?============ */
.breadcrumb {
    background: var(--white);
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: .9rem;
    color: var(--gray-500);
}

.breadcrumb a {
    color: var(--gray-700);
}

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

.breadcrumb-sep {
    margin: 0 .5rem;
    color: var(--gray-300);
}

/* ============ 页面�?Hero（小标题区） ============ */
.page-hero {
    background: var(--grad-dark);
    color: var(--white);
    padding: 6rem 0 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(255, 106, 26, .25), transparent 60%),
        radial-gradient(ellipse at 80% 30%, rgba(201, 164, 92, .2), transparent 50%);
    z-index: -1;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(26, 10, 5, .4) 100%);
    z-index: -1;
}

.page-hero h1 {
    color: var(--white);
    position: relative;
    z-index: 1;
    margin-bottom: 1rem;
    font-size: clamp(2rem, 4vw, 3rem);
}

.page-hero h1 .gold-accent {
    color: var(--gold-light);
}

.page-hero p {
    color: rgba(255, 255, 255, .88);
    font-size: 1.1rem;
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ============ 数据展示 ============ */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
    margin: 3rem 0;
}

.stat-card {
    text-align: center;
    padding: 2.75rem 1.5rem;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(201, 164, 92, .1);
    position: relative;
    overflow: hidden;
    transition: all .4s;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--grad-gold);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(255, 106, 26, .04), transparent 60%);
    opacity: 0;
    transition: opacity .4s;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(255, 106, 26, .2);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-card-inner {
    position: relative;
    z-index: 1;
}

.stat-card .num {
    font-size: clamp(2.2rem, 4.2vw, 3.2rem);
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: .8rem;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -.03em;
    position: relative;
}

.stat-card .num::after {
    content: '';
    position: absolute;
    bottom: -.3rem;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--grad-gold);
    opacity: .6;
    border-radius: 1px;
}

.stat-card .label {
    color: var(--gray-700);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: .02em;
}

/* ============ 通用工具�?============ */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--gray-500); }
.bg-light { background: var(--light); }
.bg-white { background: var(--white); }
.bg-dark { background: var(--dark); color: var(--white); }
.bg-cream { background: var(--cream); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.lead {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--gray-700);
    font-weight: 400;
}

.alert {
    padding: 1.1rem 1.4rem;
    border-radius: var(--radius);
    margin: 1.5rem 0;
    font-size: .95rem;
    border-left: 4px solid var(--primary);
    background: var(--primary-bg);
    color: var(--gray-700);
}

.alert strong {
    color: var(--primary);
}

/* ============ 金色装饰徽章 ============ */
.gold-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--gold-bg);
    border: 1px solid var(--gold);
    color: var(--gold-dark);
    padding: .3rem .8rem;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .05em;
}

/* ============ 产品卡片 ============ */
.product-card {
    text-align: center;
    padding: 2.5rem 2rem 2rem;
}

.product-icon-wrap {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-bg) 0%, var(--gold-bg) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    border: 2px solid var(--gold);
    box-shadow: 0 8px 24px rgba(201, 164, 92, .15);
    position: relative;
}

.product-icon-wrap::after {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1px dashed var(--gold);
    opacity: .35;
}

.product-icon {
    font-size: 2.6rem;
    line-height: 1;
}

.product-card h3 {
    margin-bottom: .85rem;
    font-size: 1.3rem;
}

.product-card p {
    text-align: left;
    color: var(--gray-700);
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    margin-top: 1.25rem;
    color: var(--primary);
    font-weight: 600;
    font-size: .95rem;
    text-decoration: none;
    transition: all .2s;
}

.card-link:hover {
    color: var(--primary-dark);
    gap: .6rem;
}

/* ============ 特性卡片（品牌定位�?============ */
.feature-card {
    text-align: center;
    padding: 2.5rem 2rem;
}

.feature-icon-wrap {
    width: 84px;
    height: 84px;
    border-radius: 24px;
    background: var(--grad-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.4rem;
    box-shadow: 0 10px 28px rgba(255, 106, 26, .3);
    position: relative;
}

.feature-icon-wrap::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 26px;
    background: var(--grad-primary);
    opacity: .25;
    z-index: -1;
    filter: blur(10px);
}

.feature-icon {
    font-size: 2.4rem;
    line-height: 1;
}

.feature-card h3 {
    font-size: 1.3rem;
    color: var(--dark);
    margin-bottom: .85rem;
}

.feature-card p {
    color: var(--gray-700);
    font-size: .95rem;
    line-height: 1.75;
    text-align: left;
}

/* ============ 安全卡片 ============ */
.security-card {
    text-align: center;
    padding: 2.5rem 2rem;
}

.security-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    color: var(--gold-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.4rem;
    font-size: 1.8rem;
    font-weight: 700;
    box-shadow: 0 10px 28px rgba(26, 10, 5, .25), inset 0 0 0 3px rgba(201, 164, 92, .3);
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    position: relative;
}

.security-card h3 {
    font-size: 1.3rem;
    color: var(--dark);
    margin-bottom: .85rem;
    font-weight: 700;
}

.security-card p {
    color: var(--gray-700);
    font-size: .95rem;
    line-height: 1.75;
    text-align: left;
}

/* ============ 响应�?============ */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-6 { grid-template-columns: repeat(3, 1fr); }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .plan-grid { grid-template-columns: 1fr; }
    .plan-card.featured { transform: none; }
    .plan-card.featured:hover { transform: translateY(-6px); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 88px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        gap: .5rem;
        border-top: 1px solid var(--gray-100);
    }
    .nav-menu.open {
        display: flex;
    }
    .nav-menu a {
        padding: .8rem 1rem;
        width: 100%;
        border-bottom: none !important;
        border-radius: var(--radius);
    }
    .nav-menu a:hover, .nav-menu a.active {
        background: var(--primary-bg);
    }
    .nav-toggle {
        display: block;
    }
    .grid-2, .grid-3, .grid-4, .grid-6 {
        grid-template-columns: 1fr;
    }
    .stats-row { grid-template-columns: 1fr 1fr; }
    .hero { min-height: 72vh; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .section { padding: 4rem 0; }
    .footer-grid { grid-template-columns: 1fr; }
    .timeline::before { left: 20px; }
    .timeline-item { padding-left: 56px; }
    .timeline-marker { width: 42px; height: 42px; font-size: .95rem; }
    .form-card { padding: 1.75rem; }
}

@media (max-width: 480px) {
    .stats-row { grid-template-columns: 1fr; }
    .form-card { padding: 1.5rem; }
    .plan-card { padding: 1.75rem 1.5rem; }
    .card { padding: 1.75rem; }
    .section { padding: 3rem 0; }
}