/* ============================================================
   GPAce 主样式表 · 方案 D
   主色：暖橙 #ea580c（品牌 / CTA / 强调）
   辅色：学术蓝 #3b82f6 / #1e40af（链接 / 专业感）
   语义：emerald-600 / amber-600 / red-600
============================================================ */

:root {
    /* 主色系（橙）*/
    --gpace-primary: #ea580c;
    --gpace-primary-hover: #c2410c;
    --gpace-primary-soft: #fed7aa;
    --gpace-primary-bg: #fff7ed;

    /* 辅色系（蓝）*/
    --gpace-accent: #3b82f6;
    --gpace-accent-dark: #1e40af;
    --gpace-accent-soft: #dbeafe;

    /* 语义色 */
    --gpace-success: #059669;
    --gpace-success-soft: #d1fae5;
    --gpace-warning: #d97706;
    --gpace-warning-soft: #fef3c7;
    --gpace-danger: #dc2626;
    --gpace-danger-soft: #fee2e2;

    /* 中性 */
    --gpace-dark: #0f172a;
    --gpace-text: #1f2937;
    --gpace-muted: #64748b;
    --gpace-border: #e2e8f0;
    --gpace-bg: #f8fafc;
    --gpace-card-bg: #ffffff;
}

[data-bs-theme="dark"] {
    --gpace-bg: #0b1220;
    --gpace-text: #f1f5f9;
    --gpace-card-bg: #1e293b;
    --gpace-muted: #94a3b8;
    --gpace-border: #334155;
    --gpace-primary-bg: #1f1610;
    --gpace-accent-soft: #1e2a4a;
    --gpace-success-soft: #064e3b;
    --gpace-warning-soft: #422006;
    --gpace-danger-soft: #450a0a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;
    background-color: var(--gpace-bg);
    color: var(--gpace-text);
}

/* ============== 品牌标识 ============== */

.brand-mark {
    color: var(--gpace-primary);
    font-size: 1.4rem;
    letter-spacing: 0.5px;
    font-weight: 700;
}

/* ============== 首页 Hero ============== */

.hero {
    background: radial-gradient(ellipse at top left, #1e3a8a 0%, #0f172a 60%, #0b1220 100%);
    color: #fff;
    min-height: 600px;
    padding-top: 4rem !important;
    padding-bottom: 4rem !important;
}

/* 装饰：网格背景 */
.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black, transparent 70%);
    pointer-events: none;
}

/* 装饰：右上角橙色浮光 */
.hero-bg-glow {
    position: absolute;
    width: 720px;
    height: 720px;
    right: -200px;
    top: -250px;
    background: radial-gradient(circle, rgba(234, 88, 12, 0.32) 0%, rgba(234, 88, 12, 0) 65%);
    pointer-events: none;
    filter: blur(8px);
}

/* 装饰：散落小星点 */
.hero-bg-stars {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.hero-bg-stars span {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #fff;
    border-radius: 50%;
    opacity: 0.7;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.7);
}
.hero-bg-stars span:nth-child(1) { top: 12%;  left: 8%;  }
.hero-bg-stars span:nth-child(2) { top: 22%;  left: 42%; width: 3px; height: 3px; opacity: 0.5; }
.hero-bg-stars span:nth-child(3) { top: 35%;  left: 14%; width: 2px; height: 2px; opacity: 0.4; }
.hero-bg-stars span:nth-child(4) { top: 8%;   left: 70%; width: 5px; height: 5px; background: #fbbf24; box-shadow: 0 0 14px rgba(251, 191, 36, 0.8); }
.hero-bg-stars span:nth-child(5) { top: 56%;  left: 6%;  width: 3px; height: 3px; opacity: 0.55; }
.hero-bg-stars span:nth-child(6) { top: 72%;  left: 30%; width: 4px; height: 4px; opacity: 0.6; background: #93c5fd; }
.hero-bg-stars span:nth-child(7) { top: 18%;  left: 88%; width: 3px; height: 3px; opacity: 0.6; }
.hero-bg-stars span:nth-child(8) { top: 62%;  left: 92%; width: 5px; height: 5px; background: #ea580c; box-shadow: 0 0 16px rgba(234, 88, 12, 0.9); }

/* 顶部小徽章 */
.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(234, 88, 12, 0.5);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(8px);
}
.hero-pill i {
    color: #ea580c;
}

.hero-title {
    font-size: clamp(2.2rem, 4.4vw, 3.5rem);
    line-height: 1.15;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.hero-title-accent {
    color: #ea580c;
    background: linear-gradient(135deg, #ea580c, #f97316);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-lead {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #cbd5e1;       /* 修复：从 0.85 透明度改成实色 slate-300，AA 6.3:1 */
    max-width: 540px;
}

.hero-subhint {
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Hero ghost 按钮（替代 btn-outline-light） */
.btn-hero-ghost {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    backdrop-filter: blur(8px);
    transition: all 0.18s ease;
}
.btn-hero-ghost:hover,
.btn-hero-ghost:focus {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.5);
    color: #ffffff;
    transform: translateY(-1px);
}

/* 底部 5 个功能 pill */
.hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.hero-feature-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #f1f5f9;
    font-size: 0.95rem;
    backdrop-filter: blur(8px);
    transition: all 0.18s ease;
}
.hero-feature-pill:nth-child(1) { border-color: rgba(234, 88, 12, 0.55); }
.hero-feature-pill:nth-child(2) { border-color: rgba(59, 130, 246, 0.6); }
.hero-feature-pill:nth-child(3) { border-color: rgba(234, 88, 12, 0.55); }
.hero-feature-pill:nth-child(4) { border-color: rgba(59, 130, 246, 0.6); }
.hero-feature-pill:nth-child(5) { border-color: rgba(16, 185, 129, 0.6); }
.hero-feature-pill:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}
.hero-feature-pill i {
    color: #ea580c;
}
.hero-feature-pill:nth-child(2) i,
.hero-feature-pill:nth-child(4) i { color: #60a5fa; }
.hero-feature-pill:nth-child(5) i { color: #34d399; }

/* ============== Hero Mockup（产品截图）============== */

.hero-mockup {
    perspective: 1400px;
    margin-top: 1rem;
}

.hero-mockup-window {
    background: #0b1220;
    border-radius: 14px;
    box-shadow:
        0 30px 60px -10px rgba(0, 0, 0, 0.55),
        0 18px 30px -15px rgba(234, 88, 12, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.06) inset;
    transform: rotateY(-6deg) rotateX(2deg);
    overflow: hidden;
    transition: transform 0.4s ease;
}
.hero-mockup-window:hover {
    transform: rotateY(-3deg) rotateX(1deg);
}

.hero-mockup-titlebar {
    background: #0f172a;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.hero-mockup-titlebar .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot-r { background: #ef4444; }
.dot-y { background: #f59e0b; }
.dot-g { background: #10b981; }
.hero-mockup-url {
    margin: 0 auto;
    color: #64748b;
    font-size: 0.78rem;
    background: rgba(255, 255, 255, 0.04);
    padding: 3px 12px;
    border-radius: 6px;
}

.hero-mockup-body {
    display: flex;
    background: #0f172a;
    min-height: 320px;
}

.mockup-side {
    width: 130px;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    padding: 14px 10px;
}
.mockup-brand {
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
}
.mockup-brand span {
    background: #ea580c;
    color: #fff;
    width: 22px;
    height: 22px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
}
.mockup-side ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.mockup-side li {
    color: #94a3b8;
    font-size: 0.78rem;
    padding: 7px 8px;
    border-radius: 6px;
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: default;
}
.mockup-side li.active {
    background: rgba(234, 88, 12, 0.16);
    color: #fed7aa;
}
.mockup-side li i {
    font-size: 0.85rem;
}

.mockup-main {
    flex: 1;
    padding: 16px 18px;
    color: #f1f5f9;
}
.mockup-greet .t1 {
    font-weight: 700;
    font-size: 0.95rem;
    color: #fff;
}
.mockup-greet .t2 {
    color: #94a3b8;
    font-size: 0.78rem;
    margin-top: 2px;
}

.mockup-cards {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 10px;
    margin: 14px 0;
}
.m-card {
    padding: 12px 14px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}
.m-card-primary {
    color: #ea580c;
}
.m-card-accent {
    color: #fff;
}
.m-label {
    color: #94a3b8;
    font-size: 0.7rem;
    font-weight: 500;
}
.m-value {
    color: #ffffff;
    font-size: 1.4rem;
    font-weight: 700;
    margin-top: 2px;
}
.m-trend {
    font-size: 0.7rem;
    color: #10b981;
    font-weight: 500;
}
.m-unit {
    font-size: 0.7rem;
    color: #94a3b8;
    font-weight: 400;
}
.m-spark {
    position: absolute;
    bottom: 8px;
    right: 10px;
    width: 90px;
    height: 24px;
}

.mockup-list {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    padding: 10px 12px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}
.ml-title {
    font-size: 0.78rem;
    color: #cbd5e1;
    font-weight: 600;
    margin-bottom: 8px;
}
.ml-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 0.75rem;
}
.ml-name {
    color: #e2e8f0;
}
.ml-tag {
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 999px;
    font-weight: 600;
}
.tag-danger  { background: rgba(220, 38, 38, 0.2); color: #fca5a5; }
.tag-warning { background: rgba(217, 119, 6, 0.2); color: #fcd34d; }
.tag-info    { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }

.mockup-ai {
    margin-top: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(234, 88, 12, 0.18), rgba(30, 64, 175, 0.18));
    border: 1px solid rgba(234, 88, 12, 0.3);
}
.mockup-ai > i {
    font-size: 1.1rem;
    color: #fbbf24;
    margin-top: 2px;
}
.ai-t {
    font-size: 0.75rem;
    color: #fff;
    font-weight: 600;
}
.ai-d {
    font-size: 0.7rem;
    color: #cbd5e1;
    margin-top: 2px;
}

@media (max-width: 992px) {
    .hero-mockup-window {
        transform: none;
    }
    .hero-mockup {
        margin-top: 2.5rem;
    }
}

.cta {
    background: linear-gradient(135deg, var(--gpace-primary) 0%, #f97316 50%, var(--gpace-accent-dark) 130%);
}

/* ============== FAQ details / summary ============== */

.faq-item summary { list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .faq-chevron {
    transition: transform 0.2s ease;
    color: var(--gpace-primary);
}
.faq-item[open] .faq-chevron { transform: rotate(180deg); }
.faq-item[open] summary { color: var(--gpace-primary); }

/* ============== 用户评价轮播 ============== */

.testimonials {
    background: linear-gradient(180deg, #1a0f2e 0%, #2a1a4a 60%, #2d1b5a 100%);
    color: #f3f0ff;
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    /* 顶部高光，柔和过渡 */
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 220px;
    background: radial-gradient(ellipse at top, rgba(168, 132, 255, 0.35), transparent 70%);
    pointer-events: none;
}

.testimonials-title {
    color: #fff;
    font-size: 1.5rem;
}

.testimonials-sub {
    color: rgba(243, 240, 255, 0.7);
    font-size: 0.95rem;
}

.testimonials-carousel {
    padding: 0.5rem 2.5rem 0;  /* 左右留位放控件 */
    position: relative;
}

.testimonials-viewport {
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    animation: testimonials-marquee 36s linear infinite;
    will-change: transform;
}

.testimonial-slide {
    flex: 0 0 min(29rem, calc((100vw - 9rem) / 3));
    min-width: 0;
    display: flex;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.25rem 1.25rem 1rem;
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    min-height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 200, 120, 0.4);
    background: rgba(255, 255, 255, 0.1);
}

.testimonial-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.testimonial-name {
    color: #fff;
    font-size: 0.95rem;
}

.testimonial-handle {
    color: var(--gpace-primary);
    font-size: 0.8rem;
}

.testimonial-text {
    color: rgba(243, 240, 255, 0.88);
    font-size: 0.9rem;
    line-height: 1.65;
    /* 提到 @GPAce 时高亮 */
}

.testimonial-text :is(strong, b) { color: #ffe0b3; }

.testimonials-viewport:hover .testimonials-track {
    animation-play-state: paused;
}

@keyframes testimonials-marquee {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-50% - 0.75rem)); }
}

@media (max-width: 991.98px) {
    .testimonial-slide {
        flex-basis: min(26rem, calc((100vw - 5rem) / 2));
    }
}

@media (max-width: 768px) {
    .testimonials-carousel { padding: 0 1.5rem; }
    .testimonial-card { padding: 1rem; }
    .testimonial-slide { flex-basis: calc(100vw - 5rem); }
    .testimonials-track { gap: 1rem; }
    @keyframes testimonials-marquee {
        from { transform: translateX(0); }
        to { transform: translateX(calc(-50% - 0.5rem)); }
    }
}

/* ============== 卡片 / 通用块 ============== */

.feature-card {
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    border-radius: 16px;
    background: var(--gpace-card-bg);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08) !important;
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--gpace-accent-soft);
    color: var(--gpace-accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

/* 让 6 个 feature 卡片轮换使用橙/蓝/绿三色，更有节奏感 */
.row.g-4 > .col-md-6:nth-child(3n+1) .feature-icon {
    background: var(--gpace-primary-bg);
    color: var(--gpace-primary);
}
.row.g-4 > .col-md-6:nth-child(3n+2) .feature-icon {
    background: var(--gpace-accent-soft);
    color: var(--gpace-accent-dark);
}
.row.g-4 > .col-md-6:nth-child(3n+3) .feature-icon {
    background: var(--gpace-success-soft);
    color: var(--gpace-success);
}

/* ============== 定价卡片 ============== */

.pricing-card {
    border-radius: 16px;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    position: relative;
    background: var(--gpace-card-bg);
}

.pricing-card:hover {
    transform: translateY(-3px);
}

.pricing-card.featured {
    border: 2px solid var(--gpace-primary) !important;
    box-shadow: 0 12px 32px rgba(234, 88, 12, 0.18) !important;
}

/* 用户主动点击选中（与 .featured 视觉一致；可单独切换） */
.pricing-card.is-selected {
    border: 2px solid var(--gpace-primary) !important;
    box-shadow: 0 12px 32px rgba(234, 88, 12, 0.18) !important;
    cursor: pointer;
}

.pricing-card.is-selected .pricing-per-mo {
    color: var(--gpace-primary);
}

/* 选中卡里的"轮廓"按钮变实心橙 */
.pricing-card.is-selected .btn-outline-warning {
    color: #fff;
    background-color: var(--gpace-primary);
    border-color: var(--gpace-primary);
}

/* 整张卡可点击；让 hover 反馈更明确 */
.pricing-card[data-pricing-card] {
    cursor: pointer;
}

.pricing-card .price {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--gpace-dark);
}

.pricing-card .price .period {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--gpace-muted);
}

.pricing-card .pricing-per-mo {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--gpace-dark);
    line-height: 1.15;
}

.pricing-card .pricing-billed {
    font-size: 0.9rem;
    margin-top: 0.35rem;
}

.pricing-card.featured .pricing-per-mo {
    color: var(--gpace-primary);
}

.featured-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gpace-primary);
    color: white;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ============== 仪表盘 ============== */

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

.empty-state {
    color: var(--gpace-muted);
}

/* Top stat 卡片：与 Hero mockup 同款的暗色卡片风格 */

.dash-card {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    padding: 18px 22px;
    color: #f1f5f9;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
}

.dash-card-gpa {
    border-color: rgba(234, 88, 12, 0.25);
}
.dash-card-gpa .dash-spark {
    color: #ea580c;
}
.dash-card-gpa::before {
    content: "";
    position: absolute;
    width: 220px;
    height: 220px;
    right: -80px;
    top: -80px;
    background: radial-gradient(circle, rgba(234, 88, 12, 0.18), transparent 70%);
    pointer-events: none;
}

.dash-card-streak {
    border-color: rgba(217, 119, 6, 0.3);
}

.dash-card-pending {
    border-color: rgba(59, 130, 246, 0.3);
}

.dash-label {
    color: #94a3b8;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.dash-value-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-top: 4px;
}

.dash-value {
    font-size: 2.4rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.1;
}

.dash-unit {
    color: #94a3b8;
    font-size: 0.95rem;
    font-weight: 500;
}

.dash-trend {
    color: #10b981;
    font-size: 0.8rem;
    font-weight: 500;
    background: rgba(16, 185, 129, 0.12);
    padding: 2px 8px;
    border-radius: 999px;
}

.dash-spark {
    width: 100%;
    height: 36px;
    margin-top: 4px;
}

.dash-hint {
    color: #94a3b8;
    font-size: 0.78rem;
    margin-top: 8px;
}

.dash-hint .text-danger {
    color: #fca5a5 !important;
}

/* AI 提醒卡：橙蓝渐变 */

.dash-ai-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 22px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(234, 88, 12, 0.12) 0%, rgba(59, 130, 246, 0.12) 100%);
    border: 1px solid rgba(234, 88, 12, 0.25);
    flex-wrap: wrap;
}

.dash-ai-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #ea580c, #1e40af);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.dash-ai-text {
    flex: 1;
    min-width: 220px;
}

.dash-ai-title {
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--gpace-text);
}

.dash-ai-desc {
    color: var(--gpace-muted);
    font-size: 0.88rem;
    margin-top: 2px;
}

.dash-ai-desc a {
    color: var(--gpace-primary);
    text-decoration: none;
    font-weight: 600;
}

.dash-ai-cta {
    background: var(--gpace-primary);
    color: #fff !important;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.88rem;
    transition: all 0.18s ease;
    white-space: nowrap;
}

.dash-ai-cta:hover {
    background: var(--gpace-primary-hover);
    transform: translateY(-1px);
}

.dash-ai-cta-ghost {
    background: transparent;
    color: var(--gpace-primary) !important;
    border: 1px solid var(--gpace-primary);
}

.dash-ai-cta-ghost:hover {
    background: rgba(234, 88, 12, 0.08);
    color: var(--gpace-primary-hover) !important;
}

/* ===== 在线录音器 ===== */

.recorder-panel {
    text-align: center;
    padding: 28px 16px 20px;
    border: 1px dashed var(--bs-border-color, #dee2e6);
    border-radius: 14px;
    background: var(--bs-tertiary-bg, #f8f9fa);
}

.recorder-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ea580c 0%, #f97316 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 8px 18px rgba(234, 88, 12, 0.25);
}

.recorder-timer {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-top: 4px;
    color: var(--bs-body-color, #1f2937);
}

.recorder-status {
    min-height: 1.4em;
}

.recorder-meter {
    height: 6px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 999px;
    overflow: hidden;
    max-width: 320px;
    margin: 0 auto;
}

.recorder-meter-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #16a34a 0%, #f59e0b 60%, #ef4444 100%);
    transition: width 60ms linear;
}

[data-bs-theme="dark"] .recorder-panel {
    background: rgba(255, 255, 255, 0.03);
}

[data-bs-theme="dark"] .recorder-meter {
    background: rgba(255, 255, 255, 0.1);
}

/* ===== 学习工具九宫格 ===== */

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px;
}

@media (max-width: 575.98px) {
    .tools-grid { grid-template-columns: 1fr; }
}

.tool-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 18px;
    border-radius: 14px;
    background: var(--gpace-card-bg, #fff);
    border: 1px solid var(--bs-border-color, #e9ecef);
    text-decoration: none !important;
    color: inherit;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(234, 88, 12, 0) 0%, rgba(234, 88, 12, 0) 100%);
    transition: background 0.25s ease;
    pointer-events: none;
}

.tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
    border-color: rgba(234, 88, 12, 0.45);
}

.tool-card.tool-orange:hover::before {
    background: linear-gradient(135deg, rgba(234, 88, 12, 0.08) 0%, rgba(249, 115, 22, 0.04) 100%);
}

.tool-card.tool-blue:hover::before {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(99, 102, 241, 0.04) 100%);
}

.tool-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background: linear-gradient(135deg, rgba(234, 88, 12, 0.12), rgba(249, 115, 22, 0.04));
    color: var(--gpace-primary, #ea580c);
}

.tool-blue .tool-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.14), rgba(99, 102, 241, 0.04));
    color: #3b82f6;
}

.tool-body {
    position: relative;
    z-index: 1;
    min-width: 0;
}

.tool-title {
    font-weight: 600;
    font-size: 0.98rem;
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.tool-desc {
    font-size: 0.82rem;
    color: var(--bs-secondary-color, #6c757d);
    line-height: 1.3;
}

.tool-soon {
    font-size: 0.62rem;
    padding: 1px 6px;
    border-radius: 999px;
    background: rgba(59, 130, 246, 0.12);
    color: #3b82f6;
    font-weight: 500;
    letter-spacing: 0.03em;
}

.tool-soon.pulse { animation: tool-soon-pulse 0.6s ease; }

@keyframes tool-soon-pulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.18); }
    100% { transform: scale(1); }
}

.tool-card.tool-disabled {
    opacity: 0.78;
    cursor: not-allowed;
}

.tool-card.tool-disabled:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--bs-border-color, #e9ecef);
}

.tool-card.tool-disabled:hover::before {
    background: transparent;
}

[data-bs-theme="dark"] .tool-card {
    background: var(--gpace-card-bg, rgba(255, 255, 255, 0.04));
    border-color: rgba(255, 255, 255, 0.08);
}

/* ===== 免费工具目录页 ===== */

.tool-directory-card {
    display: block;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.tool-directory-card:hover,
.tool-directory-card:focus {
    transform: translateY(-2px);
    border-color: rgba(234, 88, 12, 0.45) !important;
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.12) !important;
}

.tool-directory-card:hover .btn,
.tool-directory-card:focus .btn {
    background: var(--bs-dark);
    color: #fff;
}

/* ===== 录音详情页 · 下一步建议卡 ===== */

.next-step-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

@media (max-width: 991.98px) {
    .next-step-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 575.98px) {
    .next-step-grid { grid-template-columns: 1fr; }
}

.next-step-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 14px;
    background: var(--gpace-card-bg, #fff);
    border: 1px solid var(--bs-border-color, #e9ecef);
    text-decoration: none !important;
    color: inherit;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.next-step-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
    border-color: rgba(234, 88, 12, 0.45);
}

.next-step-btn {
    all: unset;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.next-step-icon {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    background: rgba(234, 88, 12, 0.12);
    color: var(--gpace-primary, #ea580c);
}

.next-step-chat .next-step-icon {
    background: rgba(59, 130, 246, 0.14);
    color: #3b82f6;
}

.next-step-translate .next-step-icon {
    background: rgba(16, 185, 129, 0.14);
    color: #10b981;
}

.next-step-mindmap .next-step-icon {
    background: rgba(99, 102, 241, 0.15);
    color: #6366f1;
}

/* ===== 思维导图（markmap） ===== */

.markmap-wrap {
    border-radius: 12px;
    background: var(--bs-tertiary-bg, #f8f9fa);
    border: 1px solid var(--bs-border-color, #e9ecef);
    padding: 8px;
    overflow: hidden;
}

.markmap {
    width: 100%;
    height: 480px;
    min-height: 320px;
    display: block;
}

[data-bs-theme="dark"] .markmap-wrap {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

/* ===== 实时讲座转录 ===== */

.live-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    background: #94a3b8;
    box-shadow: 0 0 0 0 rgba(148, 163, 184, 0.4);
}

.live-dot-recording {
    background: #dc2626;
    animation: live-pulse 1.6s ease-out infinite;
}

.live-dot-finishing {
    background: #f59e0b;
}

.live-dot-error {
    background: #dc2626;
}

@keyframes live-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.6); }
    70%  { box-shadow: 0 0 0 10px rgba(220, 38, 38, 0); }
    100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

.live-transcript {
    min-height: 220px;
    max-height: 380px;
    overflow-y: auto;
    padding: 14px 16px;
    border-radius: 10px;
    background: var(--bs-tertiary-bg, #f8f9fa);
    border: 1px solid var(--bs-border-color, #e9ecef);
    font-size: 0.96rem;
    line-height: 1.7;
    color: var(--bs-body-color, #1f2937);
    white-space: pre-wrap;
    word-break: break-word;
}

.live-transcript:empty::before {
    content: attr(data-empty);
    color: var(--bs-secondary-color, #6c757d);
    font-style: italic;
}

.live-transcript-delta {
    opacity: 0;
    transition: opacity 0.45s ease;
}

.live-transcript-delta-show {
    opacity: 1;
}

.live-segment {
    margin-bottom: 0.85rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px dashed var(--bs-border-color, #e9ecef);
}

.live-segment-src {
    font-weight: 600;
    color: var(--bs-body-color, #1f2937);
}

.live-segment-tgt {
    margin-top: 0.25rem;
    color: var(--bs-secondary-color, #64748b);
}

.live-segment-current {
    opacity: 0.72;
}

[data-bs-theme="dark"] .live-transcript {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-bs-theme="dark"] .live-segment {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

/* ===== 本月配额 meter ===== */

.usage-panel {
    border-left: 4px solid transparent;
    transition: border-color 0.18s ease, background 0.18s ease;
}

.usage-panel-warning {
    border-left-color: #d97706;
    background: linear-gradient(90deg, rgba(217, 119, 6, 0.04) 0%, transparent 30%);
}

.usage-panel-exceeded {
    border-left-color: #dc2626;
    background: linear-gradient(90deg, rgba(220, 38, 38, 0.06) 0%, transparent 30%);
}

.usage-panel-paid {
    border-left-color: #ea580c;
    background: linear-gradient(90deg, rgba(234, 88, 12, 0.05) 0%, transparent 30%);
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.usage-item {
    padding: 4px 0;
}

.usage-label {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--bs-body-color, #1f2937);
}

.usage-value {
    font-size: 0.95rem;
    font-variant-numeric: tabular-nums;
}

.usage-bar {
    height: 8px;
    background: rgba(0, 0, 0, 0.06);
    border-radius: 999px;
    overflow: hidden;
}

.usage-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #16a34a 0%, #f59e0b 70%, #ef4444 100%);
    border-radius: inherit;
    transition: width 0.4s ease;
}

.usage-item-ok .usage-bar-fill { background: #16a34a; }
.usage-item-warning .usage-bar-fill { background: #d97706; }
.usage-item-exceeded .usage-bar-fill { background: #dc2626; }
.usage-item-exceeded .usage-bar-fill {
    /* 即使 width 被 clamp 到 100%，加点条纹也能强调"溢出" */
    background-image: repeating-linear-gradient(
        45deg,
        #dc2626,
        #dc2626 6px,
        #b91c1c 6px,
        #b91c1c 12px
    );
}

[data-bs-theme="dark"] .usage-bar {
    background: rgba(255, 255, 255, 0.08);
}

.next-step-title {
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.2;
}

.next-step-desc {
    font-size: 0.78rem;
    color: var(--bs-secondary-color, #6c757d);
    margin-top: 2px;
}

[data-bs-theme="dark"] .next-step-card {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}

/* ===== Quiz 答题交互 ===== */

.quiz-card .quiz-progress {
    font-variant-numeric: tabular-nums;
}

.quiz-option {
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid transparent;
    transition: background 0.18s ease, border-color 0.18s ease;
}

.quiz-option:hover {
    background: rgba(234, 88, 12, 0.06);
}

.quiz-option:has(input:checked) {
    background: rgba(234, 88, 12, 0.10);
    border-color: rgba(234, 88, 12, 0.30);
}

.quiz-option-correct {
    background: rgba(16, 185, 129, 0.14) !important;
    border-color: rgba(16, 185, 129, 0.45) !important;
}

.quiz-option-wrong {
    background: rgba(220, 38, 38, 0.12) !important;
    border-color: rgba(220, 38, 38, 0.45) !important;
}

.quiz-feedback {
    border-left: 3px solid rgba(234, 88, 12, 0.4);
    padding: 6px 10px;
    background: rgba(234, 88, 12, 0.04);
    border-radius: 0 8px 8px 0;
}

[data-bs-theme="dark"] .quiz-option:hover {
    background: rgba(234, 88, 12, 0.10);
}

[data-bs-theme="dark"] .quiz-feedback {
    background: rgba(234, 88, 12, 0.10);
}

/* 面板 */

.dash-panel {
    background: var(--gpace-card-bg);
    border-radius: 16px;
    border: 1px solid var(--gpace-border);
    overflow: hidden;
}

.dash-panel-head {
    padding: 14px 18px;
    border-bottom: 1px solid var(--gpace-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dash-panel-body {
    padding: 0;
}

/* DDL 任务列表 */

.dash-task-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dash-task-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    border-bottom: 1px solid var(--gpace-border);
    transition: background 0.15s ease;
}

.dash-task-row:last-child {
    border-bottom: none;
}

.dash-task-row:hover {
    background: var(--gpace-bg);
}

.dash-task-main {
    flex: 1;
    min-width: 0;
}

.dash-task-title {
    font-weight: 600;
    color: var(--gpace-text);
}

.dash-task-meta {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--gpace-muted);
    font-size: 0.8rem;
    margin-top: 2px;
}

.dot-sep {
    display: inline-block;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.5;
    margin: 0 6px;
}

.dash-task-side {
    text-align: right;
    flex-shrink: 0;
    margin-left: 12px;
}

.dash-task-time {
    color: var(--gpace-muted);
    font-size: 0.78rem;
    margin-bottom: 4px;
}

/* 复用 hero mockup 的 ml-tag 颜色到仪表盘 */
.dash-task-row .ml-tag {
    font-size: 0.7rem;
    padding: 2px 10px;
    border-radius: 999px;
    font-weight: 700;
}

/* 课程列表 */

.dash-course-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dash-course-list li {
    padding: 14px 18px;
    border-bottom: 1px solid var(--gpace-border);
}

.dash-course-list li:last-child {
    border-bottom: none;
}

.dash-course-name {
    font-weight: 600;
    color: var(--gpace-text);
    text-decoration: none;
}

.dash-course-name:hover {
    color: var(--gpace-primary);
}

.dash-course-meta {
    color: var(--gpace-muted);
    font-size: 0.8rem;
    margin-top: 2px;
}

/* 课程详情：课堂录音面板 */

.course-recordings-header {
    min-height: 58px;
    padding: 12px 16px;
}

.course-recordings-upload {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 34px;
    padding: 7px 13px;
    border: 1px solid var(--gpace-primary);
    border-radius: 999px;
    background: var(--gpace-primary);
    color: #fff;
    font-size: 0.86rem;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    box-shadow: 0 6px 14px rgba(234, 88, 12, 0.20);
    transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, transform 0.15s ease;
}

.course-recordings-upload i {
    font-size: 0.95rem;
}

.course-recordings-upload:hover,
.course-recordings-upload:focus {
    background: var(--gpace-primary-hover);
    border-color: var(--gpace-primary-hover);
    color: #fff;
    box-shadow: 0 8px 18px rgba(194, 65, 12, 0.28);
    text-decoration: none;
}

.course-recordings-upload:focus-visible {
    outline: 3px solid rgba(234, 88, 12, 0.18);
    outline-offset: 2px;
}

.course-recordings-upload:active {
    transform: translateY(1px);
}

/* 暗黑模式下，仪表盘内 panel 也要适配 */
[data-bs-theme="dark"] .dash-panel {
    background: var(--gpace-card-bg);
    border-color: var(--gpace-border);
}
[data-bs-theme="dark"] .dash-task-row:hover {
    background: rgba(255, 255, 255, 0.03);
}

[data-bs-theme="dark"] .course-recordings-upload {
    background: var(--gpace-primary);
    border-color: var(--gpace-primary);
    color: #fff;
    box-shadow: 0 6px 16px rgba(234, 88, 12, 0.28);
}

[data-bs-theme="dark"] .course-recordings-upload:hover,
[data-bs-theme="dark"] .course-recordings-upload:focus {
    background: var(--gpace-primary-hover);
    border-color: var(--gpace-primary-hover);
    color: #fff;
}

@media (max-width: 575.98px) {
    .course-recordings-header {
        padding: 10px 14px;
    }

    .course-recordings-upload {
        min-height: 32px;
        padding: 6px 10px;
        font-size: 0.82rem;
    }
}

/* ============== 转写 / 双语 ============== */

.transcript {
    background: var(--gpace-bg);
    border: 1px solid var(--gpace-border);
    border-radius: 8px;
    padding: 16px;
    max-height: 480px;
    overflow-y: auto;
    white-space: pre-wrap;
    line-height: 1.6;
    font-size: 0.92rem;
    color: var(--gpace-text);
}

.markdown-body {
    line-height: 1.7;
    font-size: 0.96rem;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
    margin-top: 1.4rem;
    margin-bottom: 0.7rem;
    font-weight: 600;
}

.markdown-body ul {
    padding-left: 1.4rem;
}

.markdown-body code {
    background: var(--gpace-bg);
    color: var(--gpace-accent-dark);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.88em;
}

.quiz-item {
    background: var(--gpace-bg);
    padding: 14px 16px;
    border-radius: 10px;
    border: 1px solid var(--gpace-border);
}

/* ============== Flashcard ============== */

.flashcard {
    background: var(--gpace-card-bg);
    border-radius: 18px;
    border: 1px solid var(--gpace-border);
    padding: 28px 30px;
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.06);
    min-height: 360px;
    display: flex;
    flex-direction: column;
}

.flashcard-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    margin-bottom: 18px;
}

.flashcard-label {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--gpace-primary-bg);
    color: var(--gpace-primary);
    font-size: 0.72rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.flashcard-back .flashcard-label {
    background: var(--gpace-accent-soft);
    color: var(--gpace-accent-dark);
}

.flashcard-text {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.5;
    color: var(--gpace-text);
}

.flashcard-back .flashcard-text {
    font-weight: 500;
    font-size: 1.15rem;
}

.flashcard-hint {
    margin-top: 14px;
    color: var(--gpace-muted);
    font-size: 0.9rem;
}

.flashcard-actions {
    margin-top: auto;
    padding-top: 20px;
    text-align: center;
}

.flashcard-rating {
    margin-top: auto;
    padding-top: 20px;
    text-align: center;
}

/* ============== Chat ============== */

.chat-box {
    background: var(--gpace-card-bg);
    border: 1px solid var(--gpace-border);
    border-radius: 18px;
    padding: 18px;
    height: 440px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-bubble {
    max-width: 78%;
    border-radius: 14px;
    padding: 10px 14px;
    line-height: 1.55;
    word-break: break-word;
}

.chat-user {
    align-self: flex-end;
    background: var(--gpace-primary);
    color: #fff;
}
.chat-user .chat-role {
    color: rgba(255, 255, 255, 0.8);
}

.chat-assistant {
    align-self: flex-start;
    background: var(--gpace-accent-soft);
    color: var(--gpace-accent-dark);
}
.chat-assistant .chat-role {
    color: var(--gpace-accent);
}

.chat-role {
    font-size: 0.72rem;
    font-weight: 700;
    margin-bottom: 2px;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.chat-content {
    white-space: pre-wrap;
}

.chat-empty {
    margin: auto;
    color: var(--gpace-muted);
}

.chat-form {
    display: flex;
    gap: 8px;
}
.chat-form input {
    flex: 1;
}

.bilingual-list {
    max-height: 600px;
    overflow-y: auto;
}

.bilingual-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--gpace-border);
}

.bilingual-item:last-child {
    border-bottom: none;
}

.bilingual-en {
    color: var(--gpace-text);
    line-height: 1.6;
    margin-bottom: 4px;
}

.bilingual-zh {
    color: var(--gpace-accent-dark);
    font-weight: 500;
    line-height: 1.7;
}

/* ============== Blog ============== */

.blog-card {
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    border-radius: 16px;
    overflow: hidden;
    background: var(--gpace-card-bg);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08) !important;
}

.blog-cover-fallback {
    background: linear-gradient(135deg, var(--gpace-primary), var(--gpace-accent-dark));
    color: #fff;
    font-weight: 800;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 1.5rem 2rem;
    text-align: left;
}

.blog-cover-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: clamp(1.35rem, 2.2vw, 1.85rem);
    line-height: 1.25;
    letter-spacing: 0.02em;
    text-wrap: balance;
}

.blog-body {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--gpace-text);
}

.blog-body h2 {
    margin-top: 2.4rem;
    border-left: 4px solid var(--gpace-primary);
    padding-left: 14px;
    font-weight: 700;
}

.blog-body h3 {
    margin-top: 1.8rem;
    font-weight: 600;
}

.blog-body blockquote {
    border-left: 4px solid var(--gpace-accent);
    background: var(--gpace-accent-soft);
    padding: 12px 18px;
    color: var(--gpace-accent-dark);
    margin: 1.5rem 0;
}

.blog-body pre {
    background: var(--gpace-dark);
    color: #f8fafc;
    padding: 14px 16px;
    border-radius: 10px;
    overflow-x: auto;
}

.blog-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.4rem 0;
}

.blog-body th, .blog-body td {
    border: 1px solid var(--gpace-border);
    padding: 8px 12px;
    text-align: left;
}

.blog-body th {
    background: var(--gpace-bg);
}

/* ============== Bootstrap 颜色覆写：橙主蓝辅 ============== */

.btn-warning {
    background-color: var(--gpace-primary);
    border-color: var(--gpace-primary);
    color: #fff;
}

.btn-warning:hover,
.btn-warning:focus,
.btn-warning:active {
    background-color: var(--gpace-primary-hover) !important;
    border-color: var(--gpace-primary-hover) !important;
    color: #fff !important;
}

.btn-outline-warning {
    color: var(--gpace-primary);
    border-color: var(--gpace-primary);
}

.btn-outline-warning:hover {
    background: var(--gpace-primary);
    color: #fff;
}

.btn-primary {
    background-color: var(--gpace-accent);
    border-color: var(--gpace-accent);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--gpace-accent-dark);
    border-color: var(--gpace-accent-dark);
}

.btn-outline-primary {
    color: var(--gpace-accent-dark);
    border-color: var(--gpace-accent);
}

.btn-outline-primary:hover {
    background: var(--gpace-accent);
    color: #fff;
}

.btn-success { background-color: var(--gpace-success); border-color: var(--gpace-success); }
.btn-danger  { background-color: var(--gpace-danger);  border-color: var(--gpace-danger);  }

.text-warning { color: var(--gpace-primary) !important; }
.text-primary { color: var(--gpace-accent-dark) !important; }
.text-success { color: var(--gpace-success) !important; }
.text-danger  { color: var(--gpace-danger) !important; }

.bg-warning   { background-color: var(--gpace-primary) !important; }
.bg-warning-subtle    { background-color: var(--gpace-primary-bg) !important; }
.bg-primary-subtle    { background-color: var(--gpace-accent-soft) !important; }
.bg-success-subtle    { background-color: var(--gpace-success-soft) !important; }
.bg-info-subtle       { background-color: var(--gpace-accent-soft) !important; }
.bg-danger-subtle     { background-color: var(--gpace-danger-soft) !important; }

.text-warning-emphasis { color: var(--gpace-primary-hover) !important; }
.text-primary-emphasis { color: var(--gpace-accent-dark) !important; }
.text-success-emphasis { color: var(--gpace-success) !important; }
.text-info-emphasis    { color: var(--gpace-accent-dark) !important; }
.text-danger-emphasis  { color: var(--gpace-danger) !important; }

a {
    color: var(--gpace-accent-dark);
}

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

/* 主题切换按钮 */
.theme-toggle {
    cursor: pointer;
}

/* ============== 暗黑模式调整 ============== */

[data-bs-theme="dark"] body {
    background-color: var(--gpace-bg);
    color: var(--gpace-text);
}

[data-bs-theme="dark"] .bg-light {
    background-color: var(--gpace-card-bg) !important;
    color: var(--gpace-text);
}

[data-bs-theme="dark"] .card.shadow-sm,
[data-bs-theme="dark"] .card.shadow {
    background-color: var(--gpace-card-bg);
    color: var(--gpace-text);
    border-color: var(--gpace-border);
}

[data-bs-theme="dark"] .bg-white {
    background-color: var(--gpace-card-bg) !important;
}

[data-bs-theme="dark"] .text-muted {
    color: var(--gpace-muted) !important;
}

[data-bs-theme="dark"] .table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--gpace-text);
}

[data-bs-theme="dark"] .table-light {
    --bs-table-bg: var(--gpace-card-bg);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: var(--gpace-bg);
    border-color: var(--gpace-border);
    color: var(--gpace-text);
}

[data-bs-theme="dark"] .navbar-dark,
[data-bs-theme="dark"] footer.bg-dark {
    background-color: #050a14 !important;
}

/* ============================================================
   UI 增强 · 不涉及配色
============================================================ */

/* ============== 移动端深度适配 ============== */

@media (max-width: 575.98px) {
    .hero-mockup { display: none; }
    .hero .col-lg-6:first-child { text-align: center; }
    .hero-lead { margin-left: auto; margin-right: auto; }
    .hero-pills { justify-content: center; }
    .hero-title { font-size: 1.8rem; }
}

/* 定价卡移动端水平滑动 */
@media (max-width: 575.98px) {
    #pricing .row.g-4 {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        gap: 16px;
        padding-bottom: 12px;
        margin-left: -12px;
        margin-right: -12px;
        padding-left: 12px;
        padding-right: 12px;
    }
    #pricing .row.g-4 > [class*="col-"] {
        flex: 0 0 82vw;
        max-width: 82vw;
        scroll-snap-align: center;
    }
    #pricing .row.g-4::-webkit-scrollbar { display: none; }
    #pricing .row.g-4 { -ms-overflow-style: none; scrollbar-width: none; }
}

/* ============== Navbar 滚动毛玻璃效果 ============== */

.navbar {
    transition: background 0.25s ease, backdrop-filter 0.25s ease, box-shadow 0.25s ease;
}

.navbar.is-scrolled {
    background: rgba(5, 10, 20, 0.82) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* ============== 入场动画系统 ============== */

@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes scale-in {
    from { opacity: 0; transform: scale(0.92); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes slide-in-right {
    from { opacity: 0; transform: translateX(24px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* 默认可见；JS 启用后会加 .js-animate-ready 到 html，此时才隐藏等待触发 */
html.js-animate-ready [data-animate] {
    opacity: 0;
}

[data-animate].is-visible {
    animation-duration: 0.4s;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
    animation-fill-mode: forwards;
}

[data-animate="fade-up"].is-visible    { animation-name: fade-in-up; }
[data-animate="fade-in"].is-visible    { animation-name: fade-in; }
[data-animate="scale-in"].is-visible   { animation-name: scale-in; }
[data-animate="slide-right"].is-visible { animation-name: slide-in-right; }

/* 尊重用户减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
    [data-animate] { opacity: 1; }
    [data-animate].is-visible { animation: none; opacity: 1; }
    .hero-feature-pill:hover { transform: none; }
    .feature-card:hover { transform: none; }
    .pricing-card:hover { transform: none; }
    .tool-card:hover { transform: none; }
    /* 禁用所有 infinite 持续动画 */
    .badge.text-bg-danger,
    .live-dot-recording,
    .achievement-card,
    .achievement-card-omni,
    .achievement-particles span,
    .gpa-celebration {
        animation: none !important;
    }
}

/* ============== 微交互 ============== */

/* 按钮点击反馈 */
.btn {
    transition: transform 0.15s ease, box-shadow 0.25s ease, background-color 0.18s ease, border-color 0.18s ease;
}
.btn:active {
    transform: scale(0.97);
}

/* 表单 focus 增强 */
.form-control:focus,
.form-select:focus {
    border-color: var(--gpace-primary);
    box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.12);
}

/* 未读 badge 脉冲 */
.badge.text-bg-danger {
    animation: badge-pulse 2s ease-in-out infinite;
}
@keyframes badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.12); }
}

/* ============== 定价卡 featured 增强 ============== */

.pricing-card.featured {
    transform: scale(1.03);
    z-index: 1;
}

@media (max-width: 575.98px) {
    .pricing-card.featured { transform: none; }
}

/* Dark mode 定价卡修复 */
[data-bs-theme="dark"] .pricing-card .price,
[data-bs-theme="dark"] .pricing-card .pricing-per-mo {
    color: #f1f5f9;
}
[data-bs-theme="dark"] .pricing-card .btn-outline-dark {
    color: #e2e8f0;
    border-color: #64748b;
}
[data-bs-theme="dark"] .pricing-card .btn-outline-dark:hover {
    background: #334155;
    color: #fff;
}

/* ============== 成就卡片组件 ============== */

.achievement-card {
    position: relative;
    border-radius: 20px;
    padding: 3px;
    background: linear-gradient(90deg, #b8923a 0%, #f5e6b8 35%, #d4bc6a 65%, #b8923a 100%);
    box-shadow: 0 8px 32px rgba(184, 146, 58, 0.35), 0 2px 0 rgba(255,255,255,0.15) inset;
    margin-bottom: 1.5rem;
    animation: achievement-appear 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.achievement-card-inner {
    background: var(--gpace-card-bg);
    border-radius: 17px;
    padding: 24px 28px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(184, 146, 58, 0.2);
}

.achievement-card-inner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, #b8923a 0%, #f5e6b8 35%, #d4bc6a 65%, #b8923a 100%);
}

.achievement-card-inner::after {
    content: '';
    position: absolute;
    bottom: 0; left: 20%; right: 20%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #b8923a, transparent);
    opacity: 0.5;
}

.achievement-diamond { color: #b8923a; font-size: 14px; opacity: 0.7; }

.achievement-badge-label {
    display: inline-block;
    font-size: 11px; font-weight: 700;
    letter-spacing: 0.2em;
    color: #b8923a;
    margin-bottom: 8px;
}

.achievement-title { font-size: 1.1rem; font-weight: 700; color: var(--gpace-text); margin-bottom: 6px; }
.achievement-desc { font-size: 0.9rem; color: var(--gpace-muted); line-height: 1.65; font-style: italic; margin-bottom: 12px; }

.achievement-cta {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 999px;
    font-size: 0.85rem; font-weight: 600;
    text-decoration: none;
    background: linear-gradient(180deg, #fff8e8 0%, #f0d78c 40%, #d4a84b 100%);
    color: #4a3520;
    border: 1.5px solid #b8923a;
    box-shadow: 0 4px 12px rgba(184, 146, 58, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.achievement-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(184, 146, 58, 0.35);
    color: #4a3520;
}

/* 元素变体 */
.achievement-card-anemo {
    background: linear-gradient(90deg, #3d9a7a 0%, #a7f3d0 35%, #5ab89a 65%, #3d9a7a 100%);
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.3);
}
.achievement-card-geo {
    background: linear-gradient(90deg, #a67c52 0%, #e8d4b8 40%, #c9a66b 70%, #8b6914 100%);
    box-shadow: 0 8px 32px rgba(180, 140, 80, 0.3);
}
.achievement-card-hydro {
    background: linear-gradient(90deg, #4a8fad 0%, #a8d8ea 45%, #6eb8d4 75%, #3d7a94 100%);
    box-shadow: 0 8px 32px rgba(90, 175, 200, 0.3);
}
.achievement-card-omni {
    background: linear-gradient(90deg, #ea580c, #6366f1, #d97706, #ea580c);
    background-size: 200% 100%;
    animation: omni-shift 4s linear infinite;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.25);
}
@keyframes omni-shift {
    0%   { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

@keyframes achievement-appear {
    from { opacity: 0; transform: translateY(-12px) scale(0.96); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* 金色粒子 */
.achievement-particles { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.achievement-particles span {
    position: absolute; width: 4px; height: 4px; border-radius: 50%;
    background: #f0e6c8; box-shadow: 0 0 6px #b8923a;
    animation: particle-float 2.5s ease-in-out infinite;
}
.achievement-particles span:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.achievement-particles span:nth-child(2) { top: 60%; left: 85%; animation-delay: 0.4s; }
.achievement-particles span:nth-child(3) { top: 30%; left: 70%; animation-delay: 0.8s; width: 3px; height: 3px; }
.achievement-particles span:nth-child(4) { top: 75%; left: 25%; animation-delay: 1.2s; width: 5px; height: 5px; }
.achievement-particles span:nth-child(5) { top: 15%; left: 50%; animation-delay: 1.6s; }

@keyframes particle-float {
    0%, 100% { opacity: 0; transform: translateY(0) scale(0.5); }
    20%      { opacity: 1; transform: translateY(-8px) scale(1); }
    80%      { opacity: 0.6; transform: translateY(-20px) scale(0.8); }
}

/* GPA 提升庆祝横幅 */
.gpa-celebration {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 20px; border-radius: 12px;
    background: linear-gradient(135deg, #f0e6c8 0%, #fff 100%);
    border: 1.5px solid #b8923a;
    box-shadow: 0 4px 16px rgba(184, 146, 58, 0.35);
    margin-bottom: 1.5rem;
    animation: achievement-appear 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}
[data-bs-theme="dark"] .gpa-celebration {
    background: linear-gradient(135deg, rgba(184, 146, 58, 0.15) 0%, rgba(30, 41, 59, 0.8) 100%);
}
.gpa-celebration-icon { font-size: 1.3rem; color: #b8923a; }
.gpa-celebration-text { flex: 1; }
.gpa-celebration-title { font-weight: 700; font-size: 0.95rem; color: var(--gpace-text); }
.gpa-celebration-sub { font-size: 0.82rem; color: var(--gpace-muted); font-style: italic; margin-top: 2px; }
.gpa-celebration-value {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 1.3rem; font-weight: 700; color: #b8923a;
}

/* 成就徽章 */
.achievement-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 12px; border-radius: 999px;
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; border: 1.5px solid;
}
.achievement-badge-anemo { background: rgba(16, 185, 129, 0.1); border-color: rgba(16, 185, 129, 0.4); color: #059669; }
.achievement-badge-geo   { background: rgba(184, 146, 58, 0.1); border-color: rgba(184, 146, 58, 0.4); color: #92400e; }
.achievement-badge-hydro { background: rgba(59, 130, 246, 0.1); border-color: rgba(59, 130, 246, 0.4); color: #1e40af; }

/* 游戏化空状态 */
.empty-state-achievement { text-align: center; padding: 48px 24px; }
.empty-state-achievement-icon { font-size: 2rem; color: #b8923a; margin-bottom: 12px; opacity: 0.8; }
.empty-state-achievement-title {
    font-family: Georgia, 'Times New Roman', 'Noto Serif SC', serif;
    font-size: 1.05rem; font-weight: 600; color: var(--gpace-text); margin-bottom: 8px;
}
.empty-state-achievement-desc {
    font-size: 0.88rem; color: var(--gpace-muted); line-height: 1.65;
    max-width: 360px; margin: 0 auto 20px; font-style: italic;
}

/* Dark mode 成就组件适配 */
[data-bs-theme="dark"] .achievement-card-inner { background: var(--gpace-card-bg); border-color: rgba(184, 146, 58, 0.3); }
[data-bs-theme="dark"] .achievement-cta {
    background: linear-gradient(180deg, #3d3225 0%, #5c4a2a 50%, #b8923a 100%);
    color: #f0e6c8; border-color: #b8923a;
}