/* ============================================
   短剧三证代办 · 高端大气设计系统
   设计语言：深空黑 + 高端金 + 渐变光晕
   ============================================ */

:root {
    /* 主色调 - 深空黑 + 高端金 */
    --bg-primary: #0A0E1A;
    --bg-secondary: #0F1424;
    --bg-tertiary: #161B2E;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-2: rgba(255, 255, 255, 0.06);
    --surface-hover: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);

    /* 高端金系 */
    --gold: #D4AF37;
    --gold-bright: #F4D03F;
    --gold-deep: #B8941F;
    --gold-gradient: linear-gradient(135deg, #D4AF37 0%, #F4D03F 50%, #B8941F 100%);

    /* 强调色 */
    --accent: #FF8C42;
    --accent-2: #FFB347;
    --accent-gradient: linear-gradient(135deg, #FF8C42 0%, #FFB347 100%);

    /* 文字 */
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --text-dim: #64748B;

    /* 字体 */
    --font-zh: 'Noto Serif SC', 'PingFang SC', 'Microsoft YaHei', serif;
    --font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 8px 32px rgba(212, 175, 55, 0.25);
    --shadow-glow: 0 0 60px rgba(212, 175, 55, 0.15);

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* 过渡 */
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-zh);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-weight: 400;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(212, 175, 55, 0.08), transparent),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(255, 140, 66, 0.04), transparent);
    pointer-events: none;
    z-index: -1;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s var(--ease);
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   顶部装饰条
   ============================================ */
.top-bar {
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.12) 0%, rgba(255, 140, 66, 0.08) 100%);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
    font-size: 13px;
    backdrop-filter: blur(20px);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.top-bar-text {
    color: var(--text-secondary);
    font-weight: 500;
}

.top-bar-cta {
    color: var(--gold-bright);
    font-weight: 600;
    transition: all 0.3s var(--ease);
}

.top-bar-cta:hover {
    color: var(--gold);
    text-shadow: 0 0 12px rgba(212, 175, 55, 0.4);
}

/* ============================================
   导航栏
   ============================================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 26, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid transparent;
    transition: all 0.4s var(--ease);
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.92);
    border-bottom-color: var(--border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.logo-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    background: var(--gold-gradient);
    border-radius: 12px;
    color: var(--bg-primary);
    box-shadow: var(--shadow-gold);
    transition: transform 0.4s var(--ease-bounce);
}

.logo:hover .logo-icon {
    transform: rotate(-8deg) scale(1.05);
}

.logo-icon svg {
    width: 26px;
    height: 26px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    font-family: var(--font-zh);
}

.logo-sub {
    font-size: 10px;
    color: var(--gold);
    letter-spacing: 2px;
    font-weight: 600;
    font-family: var(--font-en);
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    position: relative;
    transition: all 0.3s var(--ease);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--surface-2);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 2px;
    background: var(--gold-gradient);
    border-radius: 1px;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--gold-gradient);
    color: var(--bg-primary) !important;
    font-weight: 700;
    padding: 10px 20px;
    margin-left: 8px;
    box-shadow: var(--shadow-gold);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(212, 175, 55, 0.4);
    background: var(--gold-gradient);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s var(--ease);
    border-radius: 1px;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Hero 区域
   ============================================ */
.hero {
    position: relative;
    min-height: calc(100vh - 76px);
    padding: 80px 0 100px;
    overflow: hidden;
    display: flex;
    align-items: center;
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 80% at 20% 50%, rgba(212, 175, 55, 0.12), transparent 60%),
        radial-gradient(ellipse 50% 70% at 80% 30%, rgba(255, 140, 66, 0.08), transparent 60%),
        linear-gradient(180deg, transparent 0%, var(--bg-primary) 100%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(212, 175, 55, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212, 175, 55, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 70%);
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 8s ease-in-out infinite;
}

.hero-glow-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.4), transparent);
    top: 10%;
    left: 10%;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 140, 66, 0.3), transparent);
    bottom: 5%;
    right: 5%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -30px) scale(1.1); }
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s var(--ease) both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(212, 175, 55, 0.08);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 100px;
    color: var(--gold-bright);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--gold-bright);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--gold-bright);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-size: clamp(38px, 5.5vw, 72px);
    line-height: 1.05;
    font-weight: 900;
    margin-bottom: 28px;
    letter-spacing: -0.02em;
}

.hero-title-main {
    display: block;
    color: var(--text-primary);
    font-family: var(--font-zh);
}

.hero-title-accent {
    display: block;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 4px;
    font-family: var(--font-zh);
    position: relative;
}

.hero-title-sub {
    display: block;
    font-size: clamp(15px, 1.8vw, 20px);
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 20px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    font-family: var(--font-en);
}

.hero-desc {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 36px;
    max-width: 560px;
}

.hero-desc strong {
    color: var(--gold-bright);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}

/* ============================================
   按钮
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: 0;
    transition: all 0.4s var(--ease);
    text-align: center;
    white-space: nowrap;
    font-family: var(--font-zh);
    position: relative;
    overflow: hidden;
}

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

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #F4D03F 0%, #D4AF37 100%);
    opacity: 0;
    transition: opacity 0.4s var(--ease);
}

.btn-primary > * { position: relative; z-index: 1; }

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 48px rgba(212, 175, 55, 0.45);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-ghost {
    background: var(--surface-2);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    backdrop-filter: blur(20px);
}

.btn-ghost:hover {
    background: var(--surface-hover);
    border-color: var(--gold);
    transform: translateY(-3px);
}

.btn-sm {
    padding: 12px 22px;
    font-size: 14px;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

/* ============================================
   Hero 统计
   ============================================ */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(20px);
    flex-wrap: wrap;
}

.stat-item {
    flex: 0 1 auto;
    min-width: 0;
}

.stat-num {
    font-size: clamp(24px, 2.4vw, 32px);
    font-weight: 800;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: var(--font-en);
    letter-spacing: -0.02em;
    line-height: 1;
    white-space: nowrap;
}

.stat-num small {
    font-size: 0.6em;
    font-weight: 600;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
    white-space: nowrap;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: linear-gradient(180deg, transparent, var(--border-strong), transparent);
    flex-shrink: 0;
}

/* ============================================
   Hero 视觉 - 证书卡片
   ============================================ */
.hero-visual {
    position: relative;
    height: 540px;
    animation: fadeInUp 1s var(--ease) 0.2s both;
}

.certificate-card {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 420px;
    aspect-ratio: 1.4 / 1;
    background:
        linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(212, 175, 55, 0.02) 100%),
        rgba(15, 20, 36, 0.9);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--radius-lg);
    padding: 32px;
    backdrop-filter: blur(20px);
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.cert-decoration {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(212, 175, 55, 0.1), transparent 30%);
    animation: rotate 12s linear infinite;
    pointer-events: none;
}

@keyframes rotate {
    to { transform: rotate(360deg); }
}

.cert-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.cert-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.cert-emblem {
    width: 56px;
    height: 56px;
    color: var(--gold);
    flex-shrink: 0;
    animation: pulse 3s ease-in-out infinite;
}

.cert-emblem svg { width: 100%; height: 100%; }

.cert-title-zh {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

.cert-title-en {
    font-size: 10px;
    color: var(--gold);
    letter-spacing: 2px;
    margin-top: 4px;
    font-family: var(--font-en);
}

.cert-body {
    flex: 1;
    padding: 16px 76px 16px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cert-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px dashed rgba(212, 175, 55, 0.1);
    font-size: 13px;
}

.cert-line span {
    color: var(--text-muted);
}

.cert-line strong {
    color: var(--text-primary);
    font-weight: 600;
}

.status-active {
    color: #4ADE80 !important;
}

.cert-seal {
    position: absolute;
    bottom: 14px;
    right: 6px;
    width: 72px;
    height: 72px;
    display: grid;
    place-items: center;
}

.seal-circle {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: var(--gold-gradient);
    color: var(--bg-primary);
    display: grid;
    place-items: center;
    text-align: center;
    font-size: 11px;
    font-weight: 800;
    transform: rotate(-15deg);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
    border: 2px dashed rgba(10, 14, 26, 0.3);
    line-height: 1.2;
}

.seal-num {
    font-size: 8px;
    font-family: var(--font-en);
    margin-top: 2px;
    opacity: 0.8;
}

/* 浮动徽章 */
.floating-badge {
    position: absolute;
    padding: 12px 16px;
    background: rgba(15, 20, 36, 0.92);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 2;
    animation: floatBadge 6s ease-in-out infinite;
}

.floating-badge-1 {
    top: 8%;
    right: -5%;
    animation-delay: 0s;
}

.floating-badge-2 {
    bottom: 20%;
    left: -8%;
    animation-delay: 2s;
}

.floating-badge-3 {
    bottom: 5%;
    right: 5%;
    animation-delay: 4s;
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.fb-icon {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    background: var(--gold-gradient);
    border-radius: 10px;
    font-size: 20px;
    flex-shrink: 0;
}

.fb-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    white-space: nowrap;
}

.fb-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
    white-space: nowrap;
}

/* 滚动提示 */
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    font-family: var(--font-en);
    animation: bounce 2s ease-in-out infinite;
    z-index: 1;
}

@keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 10px); }
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 6px;
    background: var(--gold);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 12px); opacity: 0; }
}

/* ============================================
   信任背书
   ============================================ */
.trust-bar {
    padding: 36px 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.trust-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.trust-text {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.trust-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.trust-tag {
    padding: 6px 14px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 12px;
    color: var(--text-muted);
    transition: all 0.3s var(--ease);
}

.trust-tag:hover {
    background: var(--surface-hover);
    color: var(--gold-bright);
    border-color: rgba(212, 175, 55, 0.3);
}

/* ============================================
   通用 section head
   ============================================ */
section {
    padding: 100px 0;
    position: relative;
}

.section-head {
    text-align: center;
    margin-bottom: 64px;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

.section-eyebrow {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: 100px;
    color: var(--gold-bright);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 20px;
    font-family: var(--font-en);
}

.eyebrow-light {
    background: rgba(212, 175, 55, 0.15);
    border-color: rgba(212, 175, 55, 0.3);
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    font-family: var(--font-zh);
}

.section-desc {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ============================================
   服务卡片（三证）
   ============================================ */
.services {
    background: var(--bg-primary);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.06), transparent);
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
    position: relative;
}

.service-card {
    position: relative;
    padding: 40px 32px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.5s var(--ease);
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease);
}

.service-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1), transparent 50%);
    opacity: 0;
    transition: opacity 0.5s var(--ease);
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(212, 175, 55, 0.1);
}

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

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

.service-num {
    position: absolute;
    top: 20px;
    right: 28px;
    font-size: 56px;
    font-weight: 900;
    color: rgba(212, 175, 55, 0.08);
    font-family: var(--font-en);
    line-height: 1;
}

.service-icon {
    width: 64px;
    height: 64px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(212, 175, 55, 0.05) 100%);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 16px;
    color: var(--gold-bright);
    margin-bottom: 24px;
    transition: all 0.4s var(--ease);
}

.service-card:hover .service-icon {
    background: var(--gold-gradient);
    color: var(--bg-primary);
    transform: rotate(-5deg);
}

.service-icon svg {
    width: 36px;
    height: 36px;
}

.service-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 140, 66, 0.1);
    border: 1px solid rgba(255, 140, 66, 0.2);
    border-radius: 100px;
    font-size: 11px;
    color: var(--accent-2);
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.service-title {
    font-size: 22px;
    font-weight: 800;
    line-height: 1.4;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-family: var(--font-zh);
}

.service-eng {
    font-size: 11px;
    color: var(--gold);
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    font-family: var(--font-en);
    text-transform: uppercase;
    word-break: break-word;
    line-height: 1.5;
}

.service-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.service-desc strong {
    color: var(--gold-bright);
    font-weight: 600;
}

.service-features {
    list-style: none;
    margin-bottom: 28px;
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.check {
    width: 18px;
    height: 18px;
    display: grid;
    place-items: center;
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold-bright);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.service-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.meta-item {}

.meta-label {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 6px;
    font-family: var(--font-en);
}

.meta-value {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 600;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--gold-bright);
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s var(--ease);
}

.service-link:hover {
    color: var(--gold);
    gap: 10px;
}

/* 服务CTA */
.service-cta {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 32px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.08) 0%, rgba(255, 140, 66, 0.05) 100%);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-md);
    backdrop-filter: blur(20px);
}

.cta-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    background: var(--gold-gradient);
    color: var(--bg-primary);
    border-radius: 12px;
    flex-shrink: 0;
}

.cta-text {
    flex: 1;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.cta-text strong {
    color: var(--gold-bright);
    font-weight: 700;
}

/* ============================================
   流程
   ============================================ */
.process {
    background: var(--bg-secondary);
    position: relative;
}

.process::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 50% 40% at 50% 50%, rgba(212, 175, 55, 0.04), transparent);
}

.process-timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    padding: 32px 0;
}

.process-line {
    position: absolute;
    top: 80px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold) 20%, var(--gold) 80%, transparent);
    opacity: 0.3;
}

.process-step {
    position: relative;
    text-align: center;
    z-index: 1;
}

.step-circle {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: grid;
    place-items: center;
    background: var(--bg-tertiary);
    border: 2px solid rgba(212, 175, 55, 0.4);
    border-radius: 50%;
    color: var(--gold-bright);
    font-size: 20px;
    font-weight: 800;
    position: relative;
    transition: all 0.4s var(--ease);
    font-family: var(--font-en);
}

.step-circle::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid transparent;
    background: var(--gold-gradient);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s var(--ease);
    padding: 2px;
}

.process-step:hover .step-circle {
    transform: scale(1.1);
    border-color: var(--gold);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.4);
}

.process-step:hover .step-circle::before {
    opacity: 1;
}

.step-content h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.step-content p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 12px;
}

.step-time {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50px;
    font-size: 11px;
    color: var(--gold-bright);
    font-weight: 600;
}

/* ============================================
   服务优势
   ============================================ */
.advantages {
    background: var(--bg-primary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.advantage-card {
    padding: 36px 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.4s var(--ease);
}

.advantage-card:hover {
    transform: translateY(-6px);
    border-color: rgba(212, 175, 55, 0.25);
    box-shadow: var(--shadow-md);
}

.advantage-card:hover::before {
    opacity: 1;
}

.advantage-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    background: var(--gold-gradient);
    color: var(--bg-primary);
    border-radius: 14px;
    margin-bottom: 20px;
    transition: transform 0.4s var(--ease-bounce);
    box-shadow: var(--shadow-gold);
}

.advantage-card:hover .advantage-icon {
    transform: rotate(-10deg) scale(1.05);
}

.advantage-icon svg {
    width: 28px;
    height: 28px;
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    position: relative;
}

.advantage-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    position: relative;
}

/* ============================================
   适用场景
   ============================================ */
.scenarios {
    background: var(--bg-secondary);
}

.scenarios-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.scenario-item {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all 0.4s var(--ease);
    align-items: flex-start;
}

.scenario-item:hover {
    border-color: rgba(212, 175, 55, 0.25);
    background: var(--surface-2);
    transform: translateX(8px);
}

.scenario-num {
    font-size: 32px;
    font-weight: 900;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    font-family: var(--font-en);
    flex-shrink: 0;
}

.scenario-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.scenario-content p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============================================
   FAQ
   ============================================ */
.faq {
    background: var(--bg-primary);
}

.faq-list {
    max-width: 880px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.3s var(--ease);
}

.faq-item:hover {
    border-color: rgba(212, 175, 55, 0.2);
}

.faq-item[open] {
    background: var(--surface-2);
    border-color: rgba(212, 175, 55, 0.3);
}

.faq-item summary {
    padding: 22px 28px;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    user-select: none;
    transition: all 0.3s var(--ease);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary:hover {
    color: var(--gold-bright);
}

.faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold-bright);
    display: grid;
    place-items: center;
    transition: transform 0.3s var(--ease);
    position: relative;
    flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: currentColor;
    border-radius: 1px;
}

.faq-icon::before {
    width: 10px;
    height: 2px;
}

.faq-icon::after {
    width: 2px;
    height: 10px;
    transition: transform 0.3s var(--ease);
}

.faq-item[open] .faq-icon::after {
    transform: rotate(90deg);
}

.faq-answer {
    padding: 0 28px 24px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.9;
    animation: fadeIn 0.4s var(--ease);
}

.faq-answer strong {
    color: var(--gold-bright);
    font-weight: 600;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   联系 - 微信重点
   ============================================ */
.contact {
    background: var(--bg-secondary);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.contact-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.contact-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.15), transparent 60%);
    filter: blur(80px);
}

.contact-card {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    padding: 64px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    align-items: center;
}

.contact-left {}

.contact-title {
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 900;
    line-height: 1.2;
    margin: 24px 0;
    letter-spacing: -0.02em;
}

.contact-title-accent {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.contact-desc strong {
    color: var(--gold-bright);
    font-weight: 700;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.cf-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.cf-icon {
    width: 22px;
    height: 22px;
    display: grid;
    place-items: center;
    background: var(--gold-gradient);
    color: var(--bg-primary);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

/* 微信卡片 */
.wechat-card {
    background: linear-gradient(135deg, #07C160 0%, #04A857 100%);
    padding: 32px;
    border-radius: var(--radius-lg);
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow:
        0 30px 80px rgba(7, 193, 96, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1);
}

.wechat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15), transparent 40%);
    pointer-events: none;
}

.wechat-card::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -30%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 50%);
    pointer-events: none;
}

.wechat-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.wechat-logo {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: #07C160;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.wechat-logo svg { width: 32px; height: 32px; }

.wechat-title {
    flex: 1;
}

.wechat-title > div {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.wechat-title small {
    font-size: 11px;
    opacity: 0.85;
    letter-spacing: 1.5px;
    margin-top: 4px;
    display: block;
    font-family: var(--font-en);
}

.wechat-body {
    position: relative;
    z-index: 1;
}

.wechat-id-box {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    margin-bottom: 20px;
}

.wechat-id-label {
    font-size: 11px;
    opacity: 0.85;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
    font-family: var(--font-en);
}

.wechat-id {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 16px;
    font-family: var(--font-en);
    word-break: break-all;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: white;
    color: #07C160;
    border: 0;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    font-family: var(--font-zh);
}

.copy-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

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

.wechat-tip {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.tip-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.tip-text {
    font-size: 13px;
    line-height: 1.6;
    opacity: 0.95;
}

.tip-text strong {
    font-weight: 700;
}

.highlight {
    background: var(--gold-gradient);
    color: var(--bg-primary);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 700;
}

.wechat-footer {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding-top: 20px;
    margin-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
}

.footer-stat {
    text-align: center;
    font-family: var(--font-en);
}

.footer-stat strong {
    display: block;
    font-size: 22px;
    font-weight: 800;
    line-height: 1.2;
}

.footer-stat span {
    display: block;
    font-size: 11px;
    opacity: 0.85;
    margin-top: 4px;
    letter-spacing: 1px;
}

/* ============================================
   CTA Banner
   ============================================ */
.cta-banner {
    padding: 80px 0;
    background: linear-gradient(135deg, #D4AF37 0%, #B8941F 50%, #F4D03F 100%);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 80% at 20% 50%, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(ellipse 50% 80% at 80% 50%, rgba(0, 0, 0, 0.15), transparent);
}

.cta-banner-inner {
    position: relative;
    text-align: center;
    color: var(--bg-primary);
}

.cta-banner-inner h3 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-banner-inner p {
    font-size: 16px;
    margin-bottom: 32px;
    opacity: 0.85;
}

.cta-banner .btn-primary {
    background: var(--bg-primary);
    color: var(--gold-bright);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.cta-banner .btn-primary:hover {
    background: #1a1f2e;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: #060912;
    padding: 80px 0 30px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 320px;
}

.footer-col h5 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--gold-gradient);
    border-radius: 1px;
}

.footer-col a {
    display: block;
    padding: 6px 0;
    font-size: 13px;
    color: var(--text-muted);
    transition: all 0.3s var(--ease);
}

.footer-col a:hover {
    color: var(--gold-bright);
    padding-left: 6px;
}

.footer-contact-item {
    margin-bottom: 16px;
}

.fc-label {
    display: block;
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 4px;
    font-family: var(--font-en);
}

.fc-value {
    font-size: 15px;
    color: var(--gold-bright);
    font-weight: 700;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-dim);
    flex-wrap: wrap;
    gap: 12px;
}

.footer-note {
    color: var(--gold);
}

/* ============================================
   浮动微信按钮
   ============================================ */
.floating-wechat {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 22px 14px 16px;
    background: #07C160;
    color: white;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 10px 40px rgba(7, 193, 96, 0.4);
    transition: all 0.4s var(--ease);
}

.floating-wechat svg { width: 22px; height: 22px; }

.fw-pulse {
    position: absolute;
    inset: -4px;
    border-radius: 100px;
    background: #07C160;
    opacity: 0.5;
    animation: pulseRing 2s ease-out infinite;
    z-index: -1;
}

@keyframes pulseRing {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.4); opacity: 0; }
}

.floating-wechat:hover {
    transform: scale(1.05) translateY(-3px);
    box-shadow: 0 16px 48px rgba(7, 193, 96, 0.5);
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
    .container { padding: 0 20px; }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }

    .hero-content { max-width: 720px; margin: 0 auto; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-stats { max-width: 600px; margin: 0 auto; }

    .hero-visual { height: 480px; width: 100%; max-width: 480px; margin: 0 auto; }

    .floating-badge-1 { top: 4%; right: 0; }
    .floating-badge-2 { bottom: 22%; left: 0; }
    .floating-badge-3 { bottom: 4%; right: 0; }

    .services-grid { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; }

    .process-timeline { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
    .process-line { display: none; }

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

    .contact-card {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 48px 32px;
        text-align: center;
    }

    .contact-left { max-width: 560px; margin: 0 auto; }
    .contact-features { max-width: 400px; margin: 0 auto; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    section { padding: 70px 0; }

    .top-bar-text { font-size: 12px; }
    .top-bar-cta { font-size: 12px; }

    .nav-menu {
        position: fixed;
        top: 76px;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: calc(100vh - 76px);
        background: rgba(15, 20, 36, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: stretch;
        padding: 24px;
        gap: 4px;
        transition: right 0.4s var(--ease);
        border-left: 1px solid var(--border);
    }

    .nav-menu.open { right: 0; }

    .nav-link {
        padding: 14px 16px;
        font-size: 15px;
        border-radius: 10px;
    }

    .nav-link.active::after { display: none; }

    .nav-cta {
        margin-left: 0;
        margin-top: 12px;
        justify-content: center;
    }

    .nav-toggle { display: flex; }

    .hero { padding: 60px 0 80px; min-height: auto; }
    .hero-scroll { display: none; }

    .hero-visual { height: 420px; width: 100%; max-width: 480px; margin: 0 auto; }
    .certificate-card { padding: 24px; }

    .floating-badge-1 { right: -2%; top: 5%; }
    .floating-badge-2 { left: -2%; }
    .floating-badge-3 { right: 0; }

    .hero-stats {
        gap: 16px;
        padding: 20px;
    }

    .stat-divider { display: none; }
    .stat-item { flex-basis: calc(50% - 8px); text-align: center; }

    .trust-bar .container { flex-direction: column; text-align: center; gap: 16px; }
    .trust-text { font-size: 13px; }

    .section-head { margin-bottom: 48px; }

    .process-timeline { grid-template-columns: 1fr; gap: 32px; }

    .advantages-grid { grid-template-columns: 1fr; }

    .scenarios-list { grid-template-columns: 1fr; }

    .service-card { padding: 32px 24px; }
    .service-meta { grid-template-columns: 1fr; gap: 16px; }

    .service-cta { flex-direction: column; text-align: center; padding: 20px; }
    .cta-text { font-size: 14px; }

    .faq-item summary { padding: 18px 20px; font-size: 15px; }
    .faq-answer { padding: 0 20px 20px; font-size: 13px; }

    .contact { padding: 70px 0; }
    .contact-card { padding: 32px 24px; }

    .wechat-card { padding: 24px; }
    .wechat-id { font-size: 28px; letter-spacing: 1px; }

    .cta-banner { padding: 60px 0; }
    .cta-banner-inner h3 { font-size: 24px; }

    .footer { padding: 60px 0 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .floating-wechat span { display: none; }
    .floating-wechat { padding: 14px; }
    .floating-wechat svg { width: 24px; height: 24px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }

    .hero-title { font-size: 38px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .btn { justify-content: center; }

    .hero-visual { height: 380px; width: 100%; max-width: 400px; margin: 0 auto; }
    .certificate-card { padding: 20px; max-width: 340px; }
    .cert-title-zh { font-size: 15px; }
    .cert-line { font-size: 12px; }
    .seal-circle { width: 70px; height: 70px; font-size: 11px; }

    .floating-badge { padding: 10px 12px; gap: 8px; }
    .fb-icon { width: 32px; height: 32px; font-size: 16px; }
    .fb-title { font-size: 12px; }
    .fb-sub { font-size: 10px; }

    .service-num { font-size: 42px; }
    .service-title { font-size: 20px; }

    .scenario-item { padding: 20px; gap: 14px; }
    .scenario-num { font-size: 26px; }

    .wechat-id { font-size: 24px; }
    .copy-btn { font-size: 13px; padding: 8px 16px; }
}

/* 滚动条美化 */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--gold-deep), var(--gold));
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--gold-bright); }

/* 选中文本 */
::selection {
    background: rgba(212, 175, 55, 0.3);
    color: var(--text-primary);
}