/**
 * AI模型真伪检测 - 样式文件
 * 主色调：微信绿 #07C160 + 纯白 #FFFFFF
 * 风格：大气酷炫 · 深色科技感 · 毛玻璃 · 发光动效
 */

:root {
    --green: #07C160;
    --green-dark: #06a953;
    --green-deeper: #048a42;
    --green-light: #38d978;
    --green-glow: rgba(7, 193, 96, 0.5);
    --green-glass: rgba(7, 193, 96, 0.06);
    --green-border: rgba(7, 193, 96, 0.12);

    --white: #ffffff;
    --gray-50: #f7f8fa;
    --gray-100: #f0f2f5;
    --gray-200: #e4e7ec;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --dark-bg: #0a0f0d;
    --dark-card: #111916;
    --dark-card-hover: #162018;
    --dark-border: rgba(7, 193, 96, 0.1);
    --dark-border-hover: rgba(7, 193, 96, 0.25);
    --dark-text: #e8f5ec;
    --dark-text-muted: #8ba898;

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 30px;
    --radius-full: 9999px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC',
                 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--dark-bg);
    color: var(--dark-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* 全局背景网格纹理 */
body::before {
    content: '';
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(7,193,96,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(7,193,96,0.015) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ==========================================================
   HERO 英雄区
   ========================================================== */
.header {
    position: relative;
    background: linear-gradient(170deg, #020a05 0%, #041a0c 20%, #063d1a 50%, #07C160 130%);
    color: var(--white);
    padding: 40px 24px 52px;
    text-align: center;
    overflow: hidden;
}

/* 动态光晕背景 */
.header::before {
    content: '';
    position: absolute; inset: 0;
    background:
        radial-gradient(circle 600px at 25% 35%, rgba(7,193,96,0.15) 0%, transparent 70%),
        radial-gradient(circle 400px at 75% 45%, rgba(56,217,120,0.12) 0%, transparent 70%),
        radial-gradient(circle 300px at 50% 80%, rgba(255,255,255,0.04) 0%, transparent 60%);
    animation: hero-shift 12s ease-in-out infinite;
}
@keyframes hero-shift {
    0%,100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.08); }
}

/* 网格纹理 */
.header::after {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(7,193,96,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(7,193,96,0.04) 1px, transparent 1px);
    background-size: 52px 52px;
    pointer-events: none;
}

/* 扫描线动画 */
.header .scan-line {
    position: absolute; left: 0; right: 0; height: 2px; z-index: 4;
    background: linear-gradient(90deg, transparent 0%, rgba(7,193,96,0.4) 20%, rgba(7,193,96,0.8) 50%, rgba(7,193,96,0.4) 80%, transparent 100%);
    animation: scan-down 4s linear infinite;
    opacity: 0.6;
}
@keyframes scan-down {
    0% { top: -2px; }
    100% { top: 100%; }
}

.hero-particles {
    position: absolute; inset: 0;
    overflow: hidden; pointer-events: none;
}
.hero-particle {
    position: absolute;
    border-radius: 50%;
    animation: p-rise linear infinite;
}
@keyframes p-rise {
    0% { transform: translateY(0) scale(0); opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.3; }
    100% { transform: translateY(-280px) scale(1.2); opacity: 0; }
}

.hero-content { position: relative; z-index: 2; max-width: 680px; margin: 0 auto; }
.hero-title-link { color: inherit; text-decoration: none; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 22px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(7,193,96,0.35);
    background: rgba(7,193,96,0.08);
    backdrop-filter: blur(10px);
    font-size: 10px; font-weight: 700;
    letter-spacing: 4px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 24px;
    text-transform: uppercase;
}
.hero-badge::before {
    content: '';
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 10px rgba(7,193,96,0.9), 0 0 20px rgba(7,193,96,0.4);
    animation: badge-pulse 2s ease-in-out infinite;
}
@keyframes badge-pulse {
    0%,100% { box-shadow: 0 0 6px rgba(7,193,96,0.5); }
    50% { box-shadow: 0 0 16px rgba(7,193,96,1), 0 0 30px rgba(7,193,96,0.3); }
}

.header h1 {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 14px;
    letter-spacing: 4px;
    background: linear-gradient(180deg, #ffffff 10%, #7aefaa 60%, #07C160 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 20px rgba(7,193,96,0.3));
}

.hero-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 28px;
    max-width: 500px;
    margin-left: auto; margin-right: auto;
}

.hero-tags {
    display: flex; gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-tag {
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 12px; font-weight: 600;
    background: rgba(7,193,96,0.08);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(7,193,96,0.2);
    color: rgba(255,255,255,0.85);
    transition: var(--transition);
    cursor: default;
}
.hero-tag:hover {
    background: rgba(7,193,96,0.18);
    border-color: rgba(7,193,96,0.5);
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(7,193,96,0.2);
}

/* 底部渐变过渡 */
.hero-wave {
    position: absolute;
    bottom: -2px; left: 0; right: 0;
    z-index: 3; line-height: 0;
}
.hero-wave svg { width: 100%; height: 60px; display: block; }

/* ==========================================================
   CONTAINER & LAYOUT
   ========================================================== */
.container { max-width: 1160px; margin: 0 auto; padding: 28px 16px 80px; position: relative; z-index: 1; }
.layout { display: flex; gap: 24px; align-items: flex-start; }
.left-col { width: 350px; flex-shrink: 0; position: sticky; top: 20px; }
.right-col { flex: 1; min-width: 0; }

/* ==========================================================
   CARD 卡片（深色毛玻璃）
   ========================================================== */
.card {
    background: rgba(17,25,22,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--dark-border);
    box-shadow:
        0 4px 24px rgba(0,0,0,0.3),
        inset 0 1px 0 rgba(7,193,96,0.05);
    padding: 24px;
    margin-bottom: 16px;
    transition: var(--transition);
    position: relative;
}
.card:hover {
    border-color: var(--dark-border-hover);
    box-shadow:
        0 8px 40px rgba(0,0,0,0.4),
        0 0 30px rgba(7,193,96,0.05),
        inset 0 1px 0 rgba(7,193,96,0.08);
}

.card-title {
    font-size: 14px; font-weight: 700; color: var(--green);
    margin-bottom: 18px; display: flex; align-items: center; gap: 8px;
    letter-spacing: 0.5px;
}
.card-title .icon { font-size: 18px; }

/* ==========================================================
   LEFT: FORM 表单
   ========================================================== */
.form-card {
    overflow: hidden;
    border-top: 3px solid var(--green);
    background: linear-gradient(180deg, rgba(7,193,96,0.04) 0%, rgba(17,25,22,0.9) 30%);
    box-shadow:
        0 4px 24px rgba(0,0,0,0.3),
        0 0 40px rgba(7,193,96,0.04),
        inset 0 1px 0 rgba(7,193,96,0.06);
}
.form-card.detecting { border-top-color: var(--green-light); }
.form-card.detecting::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px; z-index: 5;
    background: linear-gradient(90deg, transparent, var(--green-light), var(--green), var(--green-light), transparent);
    background-size: 200% 100%;
    animation: bar-scan 2s linear infinite;
    box-shadow: 0 0 20px rgba(7,193,96,0.6);
}
@keyframes bar-scan {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

.provider-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 18px; }
.provider-tab {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1.5px solid rgba(7,193,96,0.12);
    background: rgba(7,193,96,0.03);
    color: var(--dark-text-muted);
    font-size: 12px; font-weight: 600;
    cursor: pointer; transition: var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 6px;
}
.provider-tab:hover {
    border-color: rgba(7,193,96,0.4);
    color: var(--green-light);
    background: rgba(7,193,96,0.06);
}
.provider-tab.active {
    border-color: var(--green);
    background: linear-gradient(135deg, rgba(7,193,96,0.15) 0%, rgba(7,193,96,0.08) 100%);
    color: var(--green);
    box-shadow: 0 0 20px rgba(7,193,96,0.15), inset 0 0 12px rgba(7,193,96,0.05);
}
.provider-tab .tab-icon { font-size: 14px; }

.form-group { margin-bottom: 14px; }
.form-label {
    display: block; font-size: 11px; font-weight: 700;
    color: var(--dark-text-muted); margin-bottom: 6px;
    letter-spacing: 1px; text-transform: uppercase;
}
.form-input {
    width: 100%; padding: 11px 14px;
    border: 1.5px solid rgba(7,193,96,0.1);
    border-radius: var(--radius-sm);
    font-size: 13px; color: var(--dark-text);
    background: rgba(10,15,13,0.7);
    transition: var(--transition); outline: none;
}
.form-input:focus {
    border-color: var(--green);
    background: rgba(10,15,13,0.9);
    box-shadow: 0 0 0 3px rgba(7,193,96,0.12), 0 0 16px rgba(7,193,96,0.08);
}
.form-input::placeholder { color: rgba(139,168,152,0.5); }
.form-input:disabled { opacity: 0.4; cursor: not-allowed; }

.input-with-toggle { position: relative; }
.input-with-toggle .form-input { padding-right: 40px; }
.toggle-password {
    position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
    background: none; border: none; color: var(--dark-text-muted);
    cursor: pointer; font-size: 15px; padding: 2px; transition: var(--transition);
}
.toggle-password:hover { color: var(--green); }

/* 模型快捷选择 - 酷炫发光标签 */
.model-quick-picks { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.model-pick {
    padding: 4px 13px; border-radius: var(--radius-full);
    border: 1px solid rgba(7,193,96,0.15);
    background: rgba(7,193,96,0.04);
    color: var(--dark-text-muted); font-size: 11px; font-weight: 600;
    cursor: pointer; transition: var(--transition);
    letter-spacing: 0.3px;
}
.model-pick:hover {
    border-color: var(--green);
    color: var(--green);
    background: rgba(7,193,96,0.1);
    box-shadow: 0 0 14px rgba(7,193,96,0.15);
    transform: translateY(-1px);
}

/* ==========================================================
   BUTTONS
   ========================================================== */
.btn {
    padding: 13px 28px; border-radius: var(--radius-sm);
    font-size: 15px; font-weight: 700; cursor: pointer;
    transition: var(--transition); border: none;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    letter-spacing: 1px;
    position: relative; overflow: hidden;
}
.btn-primary {
    background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(7,193,96,0.35);
}
.btn-primary::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
}
.btn-primary:hover:not(:disabled) {
    box-shadow: 0 8px 32px rgba(7,193,96,0.45), 0 0 40px rgba(7,193,96,0.15);
    transform: translateY(-3px);
}
.btn-primary:hover:not(:disabled)::after { opacity: 1; }
.btn-primary:active:not(:disabled) { transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-block { width: 100%; margin-top: 18px; }

/* ==========================================================
   LEFT: TIPS 说明
   ========================================================== */
.tips-card {
    font-size: 12px; color: var(--dark-text-muted);
    border-left: 3px solid var(--green);
    background: linear-gradient(90deg, rgba(7,193,96,0.03) 0%, rgba(17,25,22,0.85) 40%);
}
.tips-card .card-title { margin-bottom: 12px; }
.tips-content p { margin-bottom: 8px; line-height: 1.7; }
.tips-content ul { padding-left: 18px; margin-bottom: 8px; }
.tips-content li { margin-bottom: 4px; line-height: 1.7; }
.tips-content strong { color: var(--dark-text); }

.tag {
    display: inline-block; padding: 2px 12px;
    border-radius: var(--radius-full); font-size: 11px; font-weight: 600;
}
.tag-pass { background: rgba(7,193,96,0.1); color: var(--green); border: 1px solid rgba(7,193,96,0.2); }
.tag-warn { background: rgba(245,158,11,0.1); color: #fbbf24; border: 1px solid rgba(245,158,11,0.2); }
.tag-fail { background: rgba(239,68,68,0.1); color: #f87171; border: 1px solid rgba(239,68,68,0.2); }

/* ==========================================================
   RIGHT: EMPTY 空状态
   ========================================================== */
.empty-state {
    text-align: center; padding: 100px 24px; color: var(--dark-text-muted);
    background: rgba(17,25,22,0.5);
    border: 2px dashed rgba(7,193,96,0.12);
}
.empty-state:hover {
    border-color: rgba(7,193,96,0.25);
}
.empty-icon { font-size: 72px; margin-bottom: 20px; filter: grayscale(0.1); }
.empty-state p { font-size: 16px; color: var(--dark-text-muted); font-weight: 500; }
.empty-sub { font-size: 13px; margin-top: 8px; opacity: 0.6; }

/* ==========================================================
   RIGHT: PROGRESS 进度
   ========================================================== */
.progress-section { display: none; }
.progress-section.active { display: block; }

.progress-header {
    display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px;
}
.progress-header .title { font-size: 16px; font-weight: 700; color: var(--dark-text); }
.progress-header span:last-child {
    font-size: 16px; color: var(--green); font-weight: 800;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 12px rgba(7,193,96,0.4);
}

.progress-bar-track {
    height: 6px; background: rgba(7,193,96,0.08);
    border-radius: var(--radius-full); overflow: hidden; margin-bottom: 18px;
    border: 1px solid rgba(7,193,96,0.06);
}
.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--green-dark), var(--green), var(--green-light));
    border-radius: var(--radius-full);
    transition: width 0.6s ease; width: 0%;
    box-shadow: 0 0 16px var(--green-glow);
    position: relative;
}
.progress-bar-fill::after {
    content: '';
    position: absolute; right: 0; top: -2px; bottom: -2px; width: 24px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5));
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.test-item {
    display: flex; align-items: center;
    padding: 14px 16px; border-radius: var(--radius-sm);
    margin-bottom: 6px; background: rgba(10,15,13,0.5);
    border-left: 3px solid rgba(7,193,96,0.08);
    transition: var(--transition);
    border: 1px solid transparent;
}
.test-item.running {
    background: rgba(7,193,96,0.06);
    border-left-color: var(--green);
    border-color: rgba(7,193,96,0.1);
}
.test-item.pass {
    background: rgba(7,193,96,0.04);
    border-left-color: var(--green);
}
.test-item.warn {
    background: rgba(245,158,11,0.04);
    border-left-color: #f59e0b;
}
.test-item.fail, .test-item.error {
    background: rgba(239,68,68,0.04);
    border-left-color: #ef4444;
}
.test-item.skip {
    background: rgba(10,15,13,0.3);
    border-left-color: var(--gray-600);
}
.test-item.pending { border-left-color: rgba(7,193,96,0.06); }

.test-status-icon {
    width: 24px; height: 24px; display: flex; align-items: center; justify-content: center;
    font-size: 14px; margin-right: 12px; flex-shrink: 0;
    border-radius: 50%;
    background: rgba(7,193,96,0.04);
}
.test-item.running .test-status-icon { color: var(--green); animation: spin 1s linear infinite; background: rgba(7,193,96,0.1); }
.test-item.pass .test-status-icon { color: var(--green); background: rgba(7,193,96,0.1); }
.test-item.warn .test-status-icon { color: #fbbf24; background: rgba(245,158,11,0.1); }
.test-item.fail .test-status-icon, .test-item.error .test-status-icon { color: #f87171; background: rgba(239,68,68,0.1); }
.test-item.skip .test-status-icon { color: var(--gray-600); background: rgba(100,100,100,0.08); }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.test-info { flex: 1; min-width: 0; }
.test-name { font-size: 13px; font-weight: 600; color: var(--dark-text); }
.test-message {
    font-size: 11px; color: var(--dark-text-muted); margin-top: 3px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.test-duration {
    font-size: 11px; color: var(--dark-text-muted);
    flex-shrink: 0; margin-left: 12px; font-variant-numeric: tabular-nums;
    opacity: 0.6;
}

/* ==========================================================
   RIGHT: RESULT 结果
   ========================================================== */
.result-section { display: none; }
.result-section.active { display: block; }

.score-gauge { text-align: center; padding: 36px 20px; }
.score-circle {
    width: 180px; height: 180px; margin: 0 auto 16px; position: relative;
    filter: drop-shadow(0 0 30px rgba(7,193,96,0.25));
}
.score-circle svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.score-circle .bg-ring {
    fill: none; stroke: rgba(7,193,96,0.08); stroke-width: 10;
}
.score-circle .score-ring {
    fill: none; stroke-width: 10; stroke-linecap: round;
    transition: stroke-dashoffset 1.5s ease, stroke 0.5s ease;
    filter: drop-shadow(0 0 8px var(--green-glow));
}
.score-value {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%,-50%); text-align: center;
}
.score-number {
    font-size: 50px; font-weight: 900; line-height: 1;
    letter-spacing: -2px;
    background: linear-gradient(180deg, var(--white) 20%, var(--green-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.score-label {
    font-size: 12px; font-weight: 700; margin-top: 6px;
    padding: 3px 16px; border-radius: var(--radius-full);
    display: inline-block; letter-spacing: 1px;
}

.result-summary {
    background: linear-gradient(135deg, rgba(7,193,96,0.06), rgba(7,193,96,0.02));
    border-radius: var(--radius-md);
    padding: 18px; margin-top: 16px;
    font-size: 13px; line-height: 1.9; color: var(--dark-text-muted);
    border-left: 3px solid var(--green);
    border: 1px solid rgba(7,193,96,0.08);
    border-left: 3px solid var(--green);
}

.result-meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 16px; }
.meta-item {
    background: rgba(7,193,96,0.03); border-radius: var(--radius-sm);
    padding: 14px 10px; text-align: center;
    border: 1px solid rgba(7,193,96,0.06);
    transition: var(--transition);
}
.meta-item:hover {
    border-color: rgba(7,193,96,0.2);
    box-shadow: 0 4px 16px rgba(7,193,96,0.08);
    background: rgba(7,193,96,0.06);
}
.meta-item .meta-value { font-size: 14px; font-weight: 800; color: var(--green); }
.meta-item .meta-label { font-size: 10px; color: var(--dark-text-muted); margin-top: 3px; letter-spacing: 0.5px; }

/* ==========================================================
   DETAIL REPORT 详细报告
   ========================================================== */
.detail-section { margin-top: 16px; }
.detail-item {
    border: 1px solid rgba(7,193,96,0.08);
    border-radius: var(--radius-md);
    margin-bottom: 8px; overflow: hidden;
    transition: var(--transition);
    background: rgba(10,15,13,0.4);
}
.detail-item:hover { border-color: rgba(7,193,96,0.2); }
.detail-header {
    display: flex; align-items: center;
    padding: 14px 16px; cursor: pointer; transition: var(--transition);
}
.detail-header:hover { background: rgba(7,193,96,0.04); }
.detail-status {
    width: 28px; height: 28px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; margin-right: 12px; flex-shrink: 0;
}
.detail-status.pass { background: rgba(7,193,96,0.1); color: var(--green); }
.detail-status.warn { background: rgba(245,158,11,0.1); color: #fbbf24; }
.detail-status.fail, .detail-status.error { background: rgba(239,68,68,0.1); color: #f87171; }
.detail-status.skip { background: rgba(100,100,100,0.08); color: var(--gray-600); }
.detail-title { flex: 1; font-size: 13px; font-weight: 600; color: var(--dark-text); }
.detail-header .detail-score { font-size: 12px; font-weight: 700; margin-right: 10px; }
.detail-header .detail-arrow {
    color: var(--dark-text-muted); transition: transform 0.3s ease; font-size: 12px;
}
.detail-item.expanded .detail-arrow { transform: rotate(180deg); }
.detail-body {
    display: none; padding: 0 16px 16px;
    border-top: 1px solid rgba(7,193,96,0.06);
}
.detail-item.expanded .detail-body { display: block; }
.detail-body .message {
    font-size: 13px; color: var(--dark-text); padding: 12px 0; font-weight: 500;
}
.detail-body pre {
    background: rgba(7,193,96,0.03); border-radius: var(--radius-sm);
    padding: 14px; border: 1px solid rgba(7,193,96,0.06);
    font-size: 11px; overflow-x: auto; line-height: 1.7;
    color: var(--dark-text-muted); white-space: pre-wrap;
    word-break: break-all; max-height: 360px; overflow-y: auto;
}

/* ==========================================================
   FOOTER
   ========================================================== */
.footer {
    text-align: center; padding: 28px;
    color: var(--dark-text-muted); font-size: 12px;
    border-top: 1px solid rgba(7,193,96,0.06);
    margin-top: 24px;
    position: relative; z-index: 1;
}
.footer a {
    color: var(--green); text-decoration: none; font-weight: 600;
    transition: var(--transition);
}
.footer a:hover { color: var(--green-light); text-shadow: 0 0 10px rgba(7,193,96,0.3); }

/* ==========================================================
   SPINNER
   ========================================================== */
.spinner {
    display: inline-block; width: 16px; height: 16px;
    border: 2.5px solid rgba(255,255,255,0.2);
    border-top-color: var(--white);
    border-radius: 50%; animation: spin 0.7s linear infinite;
}

/* ==========================================================
   SCROLLBAR 自定义滚动条
   ========================================================== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: rgba(7,193,96,0.02); }
::-webkit-scrollbar-thumb {
    background: rgba(7,193,96,0.15); border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(7,193,96,0.25); }

/* ==========================================================
   RESPONSIVE
   ========================================================== */
@media (max-width: 768px) {
    .layout { flex-direction: column; }
    .left-col { width: 100%; position: static; }
    .header { padding: 28px 16px 38px; }
    .header h1 { font-size: 26px; letter-spacing: 2px; }
    .hero-badge { font-size: 9px; letter-spacing: 2px; }
    .hero-tags { gap: 6px; }
    .hero-tag { font-size: 11px; padding: 4px 10px; }
    .result-meta { grid-template-columns: repeat(2, 1fr); }
    .hero-wave svg { height: 36px; }
    .score-circle { width: 150px; height: 150px; }
    .score-number { font-size: 40px; }
}