/**
 * QRead Premium Design System
 * Ultra Luxury $9000 Experience
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.exp-progress-bar {
    width: 100%;
    height: 14px;
    border-radius: 999px;
    background: rgba(226, 232, 240, 0.65);
    overflow: hidden;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.08);
}

.exp-progress-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #667eea 0%, #7c3aed 35%, #a855f7 60%, #764ba2 100%);
    background-size: 220% 220%;
    box-shadow: 0 10px 28px rgba(102, 126, 234, 0.35);
    animation: expFlow 4.8s ease-in-out infinite;
}

@keyframes expFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.profile-avatar-frame {
    position: relative;
    width: 140px;
    height: 140px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-avatar-frame.frame_gold_01 {
    padding: 6px;
    background: linear-gradient(135deg, #f7d774 0%, #d4af37 22%, #fff0a6 45%, #b8860b 72%, #f7d774 100%);
    background-size: 260% 260%;
    box-shadow:
        0 22px 70px rgba(212, 175, 55, 0.25),
        0 10px 26px rgba(0, 0, 0, 0.12);
    animation: vipGoldFlow 6.5s ease-in-out infinite;
}

.profile-avatar-frame.frame_gold_01::after {
    content: '';
    position: absolute;
    inset: -18px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 20%, rgba(255, 234, 0, 0.22) 0%, rgba(255, 234, 0, 0) 55%);
    filter: blur(12px);
    opacity: 0.9;
    pointer-events: none;
}

.profile-avatar-frame.frame_rainbow_01 {
    padding: 6px;
    background: conic-gradient(from 180deg, #22d3ee, #a855f7, #fb7185, #fbbf24, #34d399, #22d3ee);
    box-shadow:
        0 24px 80px rgba(168, 85, 247, 0.22),
        0 16px 40px rgba(34, 211, 238, 0.18);
    animation: rainbowSpin 7.5s linear infinite;
}

.profile-avatar-frame.frame_silver_01 {
    padding: 6px;
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 22%, #f8fafc 45%, #94a3b8 72%, #e2e8f0 100%);
    background-size: 260% 260%;
    box-shadow:
        0 22px 70px rgba(148, 163, 184, 0.24),
        0 10px 26px rgba(15, 23, 42, 0.12);
    animation: vipGoldFlow 6.5s ease-in-out infinite;
}

.profile-avatar-frame.frame_silver_01::after {
    content: '';
    position: absolute;
    inset: -18px;
    border-radius: 999px;
    background: radial-gradient(circle at 28% 18%, rgba(248, 250, 252, 0.55) 0%, rgba(248, 250, 252, 0) 55%);
    filter: blur(12px);
    opacity: 0.8;
    pointer-events: none;
}

.profile-avatar-frame.frame_emerald_01 {
    padding: 6px;
    background: conic-gradient(from 180deg, #34d399, #22d3ee, #a855f7, #34d399);
    box-shadow:
        0 26px 86px rgba(52, 211, 153, 0.24),
        0 14px 34px rgba(34, 211, 238, 0.16);
    animation: rainbowSpin 9.5s linear infinite;
}

.profile-avatar-frame.frame_neon_01 {
    padding: 6px;
    background: linear-gradient(135deg, #22d3ee 0%, #a855f7 35%, #fb7185 70%, #22d3ee 100%);
    background-size: 260% 260%;
    box-shadow:
        0 30px 92px rgba(168, 85, 247, 0.26),
        0 18px 44px rgba(34, 211, 238, 0.18);
    animation: logoGradient 6.8s ease-in-out infinite;
}

.profile-avatar-frame.frame_neon_01::after {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: 999px;
    background: radial-gradient(circle at 35% 20%, rgba(34, 211, 238, 0.22) 0%, rgba(168, 85, 247, 0) 58%);
    filter: blur(14px);
    opacity: 0.95;
    pointer-events: none;
}

.profile-avatar-frame.frame_obsidian_01 {
    padding: 7px;
    background: linear-gradient(135deg, #0b1020 0%, #111827 22%, #334155 52%, #020617 100%);
    background-size: 280% 280%;
    box-shadow:
        0 34px 110px rgba(2, 6, 23, 0.55),
        0 18px 44px rgba(15, 23, 42, 0.22);
    animation: vipGoldFlow 7.2s ease-in-out infinite;
}

.profile-avatar-frame.frame_obsidian_01::after {
    content: '';
    position: absolute;
    inset: -22px;
    border-radius: 999px;
    background:
        radial-gradient(circle at 30% 18%, rgba(168, 85, 247, 0.12) 0%, transparent 55%),
        radial-gradient(circle at 78% 70%, rgba(34, 211, 238, 0.10) 0%, transparent 55%);
    filter: blur(16px);
    opacity: 0.9;
    pointer-events: none;
}

.profile-avatar-frame.vip-default-frame {
    padding: 7px;
    background:
        linear-gradient(140deg, #f7d774 0%, #d4af37 26%, #fff0a6 45%, #9c6f07 70%, #f7d774 100%);
    background-size: 260% 260%;
    box-shadow:
        0 24px 72px rgba(212, 175, 55, 0.30),
        0 12px 30px rgba(10, 14, 25, 0.26),
        inset 0 0 0 3px rgba(12, 18, 34, 0.88);
    animation: vipGoldFlow 5.8s ease-in-out infinite;
}

.profile-avatar-frame.vip-default-frame::after {
    content: '';
    position: absolute;
    inset: -16px;
    border-radius: 999px;
    background:
        radial-gradient(circle at 20% 18%, rgba(255, 240, 166, 0.35) 0%, rgba(255, 240, 166, 0) 56%),
        radial-gradient(circle at 80% 78%, rgba(212, 175, 55, 0.30) 0%, rgba(212, 175, 55, 0) 58%);
    filter: blur(13px);
    pointer-events: none;
}

@keyframes rainbowSpin {
    to { transform: rotate(360deg); }
}

.profile-details h2.name_gold_01 {
    background: linear-gradient(135deg, #b8860b 0%, #fff0a6 28%, #d4af37 55%, #f7d774 78%, #b8860b 100%);
    background-size: 260% 260%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: vipGoldFlow 6.2s ease-in-out infinite;
    filter:
        drop-shadow(0 0 1px rgba(255, 255, 255, 0.55))
        drop-shadow(0 0 10px rgba(255, 234, 0, 0.32))
        drop-shadow(0 0 22px rgba(255, 234, 0, 0.18));
}

.profile-details h2.name_rainbow_01 {
    background: linear-gradient(135deg, #22d3ee 0%, #a855f7 28%, #fb7185 55%, #fbbf24 75%, #34d399 100%);
    background-size: 260% 260%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoGradient 6s ease-in-out infinite;
    filter:
        drop-shadow(0 0 14px rgba(34, 211, 238, 0.20))
        drop-shadow(0 0 26px rgba(168, 85, 247, 0.18));
}

.profile-details h2.name_silver_01 {
    background: linear-gradient(135deg, #f8fafc 0%, #cbd5e1 28%, #ffffff 55%, #94a3b8 78%, #f8fafc 100%);
    background-size: 260% 260%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: vipGoldFlow 6.0s ease-in-out infinite;
    filter:
        drop-shadow(0 0 1px rgba(255, 255, 255, 0.7))
        drop-shadow(0 0 14px rgba(148, 163, 184, 0.26))
        drop-shadow(0 0 28px rgba(148, 163, 184, 0.16));
}

.profile-details h2.name_ice_01 {
    background: linear-gradient(135deg, #e0f2fe 0%, #38bdf8 28%, #22d3ee 55%, #a5f3fc 78%, #e0f2fe 100%);
    background-size: 260% 260%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoGradient 6.4s ease-in-out infinite;
    filter:
        drop-shadow(0 0 12px rgba(34, 211, 238, 0.20))
        drop-shadow(0 0 26px rgba(56, 189, 248, 0.16));
}

.profile-details h2.name_rose_01 {
    background: linear-gradient(135deg, #fecdd3 0%, #fb7185 28%, #a855f7 55%, #fbbf24 82%, #fecdd3 100%);
    background-size: 260% 260%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoGradient 7.2s ease-in-out infinite;
    filter:
        drop-shadow(0 0 14px rgba(251, 113, 133, 0.18))
        drop-shadow(0 0 28px rgba(168, 85, 247, 0.16));
}

.profile-details h2.name_neon_01 {
    background: linear-gradient(135deg, #22d3ee 0%, #a855f7 32%, #fb7185 64%, #34d399 100%);
    background-size: 260% 260%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: logoGradient 5.6s ease-in-out infinite;
    filter:
        drop-shadow(0 0 1px rgba(255, 255, 255, 0.55))
        drop-shadow(0 0 18px rgba(34, 211, 238, 0.20))
        drop-shadow(0 0 34px rgba(168, 85, 247, 0.18));
}

.profile-details h2.vip-default-name {
    position: relative;
    display: inline-block;
    background: linear-gradient(135deg, #b8860b 0%, #fff0a6 28%, #d4af37 55%, #f7d774 78%, #b8860b 100%);
    background-size: 260% 260%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: vipGoldFlow 6.2s ease-in-out infinite;
    text-shadow: 0 10px 26px rgba(212, 175, 55, 0.18);
}

.cosmetic-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.9rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 1px;
    vertical-align: middle;
    position: relative;
    top: -2px;
    -webkit-text-fill-color: currentColor;
}

.cosmetic-badge.badge_gold_01 {
    background: linear-gradient(135deg, #f7d774 0%, #d4af37 40%, #fff0a6 100%);
    color: #1a202c;
    box-shadow:
        0 12px 26px rgba(212, 175, 55, 0.35),
        0 0 0 3px rgba(255, 234, 0, 0.10);
}

.cosmetic-badge.vip-default-badge {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #111827 100%);
    color: #f8e28a;
    border: 1px solid rgba(247, 215, 116, 0.66);
    box-shadow:
        0 14px 28px rgba(10, 14, 25, 0.40),
        0 0 0 3px rgba(247, 215, 116, 0.18);
    text-shadow: 0 0 8px rgba(247, 215, 116, 0.35);
    overflow: hidden;
}

.cosmetic-badge.vip-default-badge::after {
    content: '';
    position: absolute;
    inset: -1px;
    background: linear-gradient(118deg, rgba(255, 255, 255, 0) 0%, rgba(247, 215, 116, 0.55) 36%, rgba(255, 255, 255, 0) 66%);
    transform: translateX(-75%) skewX(-16deg);
    opacity: 0;
    animation: vipBadgeShine 2.9s ease-in-out infinite;
    pointer-events: none;
}

.cosmetic-badge.badge_diamond_01 {
    background: linear-gradient(135deg, #22d3ee 0%, #a855f7 45%, #60a5fa 100%);
    color: rgba(255, 255, 255, 0.95);
    box-shadow:
        0 14px 34px rgba(168, 85, 247, 0.30),
        0 10px 24px rgba(34, 211, 238, 0.20);
}

.cosmetic-badge.badge_bronze_01 {
    background: linear-gradient(135deg, #f59e0b 0%, #b45309 45%, #fde68a 100%);
    color: #111827;
    box-shadow:
        0 12px 26px rgba(245, 158, 11, 0.26),
        0 0 0 3px rgba(245, 158, 11, 0.10);
}

.cosmetic-badge.badge_silver_01 {
    background: linear-gradient(135deg, #f8fafc 0%, #cbd5e1 45%, #94a3b8 100%);
    color: #111827;
    box-shadow:
        0 12px 26px rgba(148, 163, 184, 0.26),
        0 0 0 3px rgba(148, 163, 184, 0.12);
}

.cosmetic-badge.badge_emerald_01 {
    background: linear-gradient(135deg, #34d399 0%, #22d3ee 48%, #a7f3d0 100%);
    color: rgba(255, 255, 255, 0.95);
    box-shadow:
        0 14px 34px rgba(52, 211, 153, 0.26),
        0 10px 24px rgba(34, 211, 238, 0.16);
}

.cosmetic-badge.badge_neon_01 {
    background: linear-gradient(135deg, #22d3ee 0%, #a855f7 45%, #fb7185 100%);
    color: rgba(255, 255, 255, 0.95);
    box-shadow:
        0 18px 44px rgba(168, 85, 247, 0.28),
        0 12px 30px rgba(34, 211, 238, 0.18);
}

.cosmetic-badge.badge_obsidian_01 {
    background: linear-gradient(135deg, #0b1020 0%, #111827 45%, #334155 100%);
    color: rgba(255, 255, 255, 0.92);
    box-shadow:
        0 22px 60px rgba(2, 6, 23, 0.55),
        0 12px 30px rgba(15, 23, 42, 0.22);
}

html {
    overflow-y: scroll;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    color: #1a202c;
    line-height: 1.6;
    position: relative;
    min-height: 100vh;
}

/* 奢华背景效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
    animation: breathe 8s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* 玻璃态导航栏 */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    color: #1a202c;
    padding: 1.5rem 0;
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.04),
        inset 0 -1px 0 rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #5b6dff 0%, #7c3aed 35%, #a855f7 55%, #4f46e5 80%, #5b6dff 100%);
    background-size: 220% 220%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    animation: logoGradient 6s ease-in-out infinite;
    filter: drop-shadow(0 10px 20px rgba(102, 126, 234, 0.18));
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
    opacity: 0.3;
}

.logo::before {
    content: '';
    position: absolute;
    inset: -8px -12px;
    background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.65) 0%, rgba(255, 255, 255, 0) 45%),
        linear-gradient(120deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.55) 30%, rgba(255, 255, 255, 0) 60%);
    transform: translateX(-40%) skewX(-20deg);
    opacity: 0.55;
    pointer-events: none;
    mix-blend-mode: overlay;
    filter: blur(0.2px);
    animation: logoShimmer 3.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* 认证页：限制QRead扫光仅在文字区域，不外溢到卡片边界 */
.auth-container > .logo {
    width: fit-content;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    overflow: hidden;
}

.auth-container > .logo::before {
    inset: -4px -8px;
    transform: translateX(-32%) skewX(-20deg);
    opacity: 0.42;
}

@keyframes logoGradient {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes logoShimmer {
    0% {
        transform: translateX(-55%) skewX(-20deg);
        opacity: 0;
    }
    15% {
        opacity: 0.55;
    }
    55% {
        opacity: 0.35;
    }
    100% {
        transform: translateX(55%) skewX(-20deg);
        opacity: 0;
    }
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-links a {
    color: #4a5568;
    text-decoration: none;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    font-size: 0.9375rem;
}

.nav-links a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s;
}

.nav-links a:hover::before {
    opacity: 1;
}

.nav-links a:hover {
    color: #667eea;
    transform: translateY(-2px);
}

.nav-links a.active {
    color: #4f46e5;
    font-weight: 800;
}

.nav-links a.active::before {
    opacity: 1;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.14) 0%, rgba(124, 58, 237, 0.14) 100%);
}

/* 容器 */
.container {
    max-width: 1000px;
    margin: 4rem auto;
    padding: 0 3rem;
    position: relative;
    z-index: 1;
}

/* 奢华卡片设计 */
.card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-radius: 28px;
    padding: 3rem;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.12),
        0 8px 24px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        inset 0 -1px 0 rgba(0, 0, 0, 0.05);
    margin-bottom: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
}

.card:hover {
    transform: translateY(-12px) scale(1.01);
    box-shadow: 
        0 30px 80px rgba(102, 126, 234, 0.2),
        0 12px 32px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

/* 高级按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.125rem 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 16px;
    font-size: 1.0625rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 12px 32px rgba(102, 126, 234, 0.4),
        0 4px 12px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 
        0 20px 50px rgba(102, 126, 234, 0.5),
        0 8px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn:active {
    transform: translateY(-3px) scale(1.01);
}

.btn-lg {
    padding: 1.375rem 3rem;
    font-size: 1.125rem;
    border-radius: 18px;
}

.btn-block {
    width: 100%;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.92);
    color: #4f46e5;
    border: 1px solid rgba(99, 102, 241, 0.35);
    box-shadow:
        0 10px 24px rgba(79, 70, 229, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.btn-secondary:hover {
    box-shadow:
        0 14px 34px rgba(79, 70, 229, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.95);
}

/* 奢华表单 */
.form-group {
    margin-bottom: 2rem;
}

label {
    display: block;
    margin-bottom: 0.875rem;
    font-weight: 700;
    color: #2d3748;
    font-size: 0.9375rem;
    letter-spacing: 0.3px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 1.125rem 1.5rem;
    border: 2px solid rgba(226, 232, 240, 0.6);
    border-radius: 16px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.04),
        0 1px 2px rgba(0, 0, 0, 0.02);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 
        0 0 0 5px rgba(102, 126, 234, 0.12),
        0 8px 24px rgba(102, 126, 234, 0.2),
        inset 0 1px 2px rgba(0, 0, 0, 0.02);
    transform: translateY(-3px);
}

input::placeholder,
textarea::placeholder {
    color: #a0aec0;
    font-weight: 400;
}

/* 统计卡片 */
.stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.stat-box {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: 24px;
    text-align: center;
    box-shadow: 
        0 12px 32px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.4);
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stat-box:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 50px rgba(102, 126, 234, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.stat-box-label {
    color: #718096;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.stat-box-value {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    letter-spacing: -2px;
}

.profile-banner.vip {
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.96) 0%,
        rgba(255, 255, 255, 0.92) 35%,
        rgba(255, 255, 255, 0.96) 100%);
    border: 1px solid rgba(255, 215, 0, 0.35);
    box-shadow:
        0 26px 80px rgba(255, 215, 0, 0.18),
        0 16px 44px rgba(0, 0, 0, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.profile-banner.vip::before {
    background:
        linear-gradient(135deg, rgba(255, 215, 0, 0.10) 0%, rgba(168, 85, 247, 0.08) 45%, rgba(79, 70, 229, 0.08) 100%);
}

.profile-banner.vip::after {
    content: '';
    position: absolute;
    inset: -40px;
    background:
        radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.35) 0%, rgba(255, 215, 0, 0) 55%),
        radial-gradient(circle at 80% 70%, rgba(168, 85, 247, 0.22) 0%, rgba(168, 85, 247, 0) 55%),
        linear-gradient(120deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.55) 28%, rgba(255, 255, 255, 0) 60%);
    transform: translateX(-55%) skewX(-18deg);
    opacity: 0.0;
    pointer-events: none;
    mix-blend-mode: overlay;
    filter: blur(0.4px);
    animation: vipShimmer 3.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.profile-avatar.vip {
    background: linear-gradient(135deg, #f7d774 0%, #d4af37 22%, #fff0a6 45%, #b8860b 72%, #f7d774 100%);
    background-size: 240% 240%;
    animation: vipGoldFlow 5.5s ease-in-out infinite;
    box-shadow:
        0 18px 56px rgba(212, 175, 55, 0.45),
        0 6px 16px rgba(0, 0, 0, 0.16),
        inset 0 2px 0 rgba(255, 255, 255, 0.35);
}

.profile-avatar.vip::before {
    content: '';
    position: absolute;
    inset: -18px;
    border-radius: 999px;
    background:
        radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.75) 0%, rgba(255, 255, 255, 0) 48%),
        linear-gradient(120deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.55) 28%, rgba(255, 255, 255, 0) 62%);
    transform: translateX(-60%) skewX(-18deg);
    opacity: 0;
    pointer-events: none;
    mix-blend-mode: overlay;
    filter: blur(0.25px);
    animation: vipBadgeShine 2.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.profile-avatar.vip::after {
    background: linear-gradient(135deg, rgba(247, 215, 116, 0.85) 0%, rgba(212, 175, 55, 0.75) 40%, rgba(168, 85, 247, 0.55) 100%);
    opacity: 0.22;
    filter: blur(10px);
}

@keyframes vipShimmer {
    0% {
        transform: translateX(-65%) skewX(-18deg);
        opacity: 0;
    }
    12% {
        opacity: 0.55;
    }
    55% {
        opacity: 0.32;
    }
    100% {
        transform: translateX(65%) skewX(-18deg);
        opacity: 0;
    }
}

@keyframes vipGoldFlow {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes vipBadgeShine {
    0% {
        transform: translateX(-70%) skewX(-18deg);
        opacity: 0;
    }
    18% {
        opacity: 0.6;
    }
    55% {
        opacity: 0.35;
    }
    100% {
        transform: translateX(70%) skewX(-18deg);
        opacity: 0;
    }
}

.profile-details h2.vip-name {
    position: relative;
    display: inline-block;
    animation: vipNeonPulse 2.4s ease-in-out infinite;
    filter:
        drop-shadow(0 0 1px rgba(255, 255, 255, 0.55))
        drop-shadow(0 0 10px rgba(255, 234, 0, 0.38))
        drop-shadow(0 0 22px rgba(255, 234, 0, 0.22))
        drop-shadow(0 14px 32px rgba(212, 175, 55, 0.22));
}

.profile-details h2.vip-name::after {
    content: '';
    position: absolute;
    inset: -10px -18px;
    background: linear-gradient(120deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.65) 26%, rgba(255, 255, 255, 0) 58%);
    transform: translateX(-65%) skewX(-18deg);
    opacity: 0;
    pointer-events: none;
    mix-blend-mode: overlay;
    filter: blur(0.2px);
    animation: vipNameShine 3.1s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes vipNameShine {
    0% {
        transform: translateX(-70%) skewX(-18deg);
        opacity: 0;
    }
    16% {
        opacity: 0.7;
    }
    55% {
        opacity: 0.25;
    }
    100% {
        transform: translateX(70%) skewX(-18deg);
        opacity: 0;
    }
}

@keyframes vipNeonPulse {
    0%, 100% {
        filter:
            drop-shadow(0 0 1px rgba(255, 255, 255, 0.55))
            drop-shadow(0 0 10px rgba(255, 234, 0, 0.34))
            drop-shadow(0 0 22px rgba(255, 234, 0, 0.18))
            drop-shadow(0 14px 32px rgba(212, 175, 55, 0.20));
    }
    50% {
        filter:
            drop-shadow(0 0 1px rgba(255, 255, 255, 0.65))
            drop-shadow(0 0 14px rgba(255, 234, 0, 0.46))
            drop-shadow(0 0 30px rgba(255, 234, 0, 0.26))
            drop-shadow(0 18px 38px rgba(212, 175, 55, 0.26));
    }
}

/* 响应式 */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
        margin: 2rem auto;
    }
    
    .nav {
        padding: 0 1.5rem;
    }
    
    .card {
        padding: 2rem;
        border-radius: 24px;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}
