/* ============================================
   PAGE-HOME 首页专属样式
   作用域仅限 .page-home，不影响共享组件
   ============================================ */
.page-home {
    --hero-title-size: clamp(2.6rem, 6.5vw, 4.8rem);
    --feature-num-size: clamp(2rem, 4vw, 3rem);
}

/* ---------- Hero 首屏 ---------- */
.page-home .home-hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100vh;
    min-height: 100svh;
    padding: 6rem 0 4rem;
    overflow: hidden;
}

.page-home .hero-media {
    position: absolute;
    inset: 0;
}

.page-home .hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 28%;
}

.page-home .hero-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg,
            rgba(11, 30, 58, 0.98) 0%,
            rgba(11, 30, 58, 0.92) 52%,
            rgba(11, 30, 58, 0.55) 100%);
}

.page-home .hero-shade::after {
    content: "";
    position: absolute;
    right: -160px;
    bottom: -120px;
    width: 460px;
    height: 460px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.22) 0%, transparent 68%);
    pointer-events: none;
}

.page-home .hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    width: 100%;
    align-items: center;
}

.page-home .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    margin-bottom: 1rem;
    font-family: var(--font-headline);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c-accent);
}

.page-home .hero-kicker::before {
    content: "";
    width: 30px;
    height: 3px;
    background: var(--c-accent);
    transform: skewX(-32deg);
}

.page-home .hero-title {
    font-family: var(--font-headline);
    font-size: var(--hero-title-size);
    line-height: 1.06;
    letter-spacing: -0.02em;
    color: var(--c-white);
    margin: 0 0 1.375rem;
}

.page-home .hero-desc {
    max-width: 38rem;
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.78;
    color: var(--c-secondary);
    margin: 0 0 1.875rem;
}

.page-home .hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.875rem;
}

.page-home .hero-buttons .btn {
    padding: 0.78rem 1.6rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.page-home .hero-buttons .btn-accent {
    background: var(--c-accent);
    color: var(--c-white);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.3);
}

.page-home .hero-buttons .btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(255, 107, 53, 0.4);
}

.page-home .hero-buttons .btn-ghost {
    background: transparent;
    color: var(--c-white);
    border: 1px solid var(--c-glass-medium);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.page-home .hero-buttons .btn-ghost:hover {
    border-color: var(--c-accent);
    color: var(--c-accent);
}

/* 章节导览玻璃面板 */
.page-home .hero-guide {
    background: var(--c-glass-light);
    border: 1px solid var(--c-glass-medium);
    border-radius: var(--radius);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.75rem 1.75rem 1.5rem;
    position: relative;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
}

.page-home .hero-guide::before {
    content: "";
    position: absolute;
    top: 0;
    left: 2rem;
    width: 46px;
    height: 4px;
    background: var(--c-accent);
    transform: skewX(-32deg);
}

.page-home .guide-title {
    font-family: var(--font-headline);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-white);
    margin: 0.35rem 0 1rem;
}

.page-home .guide-list {
    list-style: none;
    margin: 0 0 1.125rem;
    padding: 0;
}

.page-home .guide-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.68rem 0;
    border-bottom: 1px solid var(--c-glass-light);
    color: var(--c-white);
    text-decoration: none;
    transition: color var(--transition), background var(--transition);
}

.page-home .guide-item:last-child {
    border-bottom: 0;
}

.page-home .guide-item:hover {
    color: var(--c-accent);
}

.page-home .guide-num {
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--c-accent);
    min-width: 1.8em;
}

.page-home .guide-text {
    flex: 1;
    font-family: var(--font-body);
    font-size: 0.875rem;
    line-height: 1.35;
}

.page-home .guide-arrow {
    color: var(--c-secondary);
    font-size: 1rem;
    transition: transform var(--transition), color var(--transition);
}

.page-home .guide-item:hover .guide-arrow {
    transform: translateX(4px);
    color: var(--c-accent);
}

.page-home .guide-footer {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ---------- Section 标题行 ---------- */
.page-home .section-title-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.page-home .section-number {
    font-family: var(--font-headline);
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    line-height: 1;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--c-accent);
    user-select: none;
    flex-shrink: 0;
}

.page-home .section-title {
    font-family: var(--font-headline);
    font-size: clamp(1.6rem, 3.5vw, 2.6rem);
    line-height: 1.12;
    margin: 0;
    color: var(--c-white);
}

/* ---------- 01 更新记录 Bento ---------- */
.page-home .home-update {
    padding: 4.5rem 0 2.5rem;
}

.page-home .update-bento {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    align-items: stretch;
}

.page-home .update-main {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.page-home .update-main h3 {
    font-family: var(--font-headline);
    font-size: 1.25rem;
    color: var(--c-white);
    margin: 0 0 0.875rem;
}

.page-home .update-main p {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.72;
    color: var(--c-secondary);
    margin: 0 0 0.75rem;
}

.page-home .update-main p:last-of-type {
    margin-bottom: auto;
}

.page-home .update-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.page-home .update-metrics {
    padding: 1.75rem 1.25rem;
    display: flex;
    align-items: center;
    height: 100%;
}

.page-home .metrics-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    width: 100%;
}

.page-home .metrics-list li {
    background: var(--c-surface);
    border-radius: 10px;
    padding: 1.125rem 0.75rem;
    text-align: center;
}

.page-home .metrics-list strong {
    display: block;
    font-family: var(--font-headline);
    font-size: 1.7rem;
    line-height: 1.1;
    color: var(--c-accent);
}

.page-home .metrics-list span {
    display: block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--c-secondary);
    margin-top: 0.375rem;
}

/* ---------- 02 / 03 功能 Bento ---------- */
.page-home .home-feature-zone {
    padding: 3rem 0 2.5rem;
}

.page-home .feature-bento {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.page-home .feature-card {
    background: var(--c-glass-light);
    border: 1px solid var(--c-glass-light);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.page-home .feature-card::after {
    content: "";
    position: absolute;
    top: 18px;
    right: 18px;
    width: 30px;
    height: 3px;
    background: var(--c-accent);
    transform: skewX(-32deg);
    opacity: 0.85;
    z-index: 2;
    pointer-events: none;
}

.page-home .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
    border-color: var(--c-glass-medium);
}

.page-home .feature-img {
    border-radius: 0;
    overflow: hidden;
}

.page-home .feature-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-home .feature-body {
    padding: 1.75rem 1.75rem 2rem;
}

.page-home .feature-number {
    display: inline-block;
    font-family: var(--font-headline);
    font-size: var(--feature-num-size);
    font-weight: 900;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1.2px var(--c-accent);
    margin-bottom: 0.875rem;
}

.page-home .feature-body h2 {
    font-family: var(--font-headline);
    font-size: 1.375rem;
    line-height: 1.2;
    margin: 0 0 0.875rem;
    color: var(--c-white);
}

.page-home .feature-body p {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.72;
    color: var(--c-secondary);
    margin: 0 0 0.75rem;
}

.page-home .text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--c-accent);
    text-decoration: none;
    margin-top: 0.625rem;
    transition: gap var(--transition);
}

.page-home .text-link:hover {
    gap: 0.7rem;
}

/* ---------- 04 注册服务横幅 ---------- */
.page-home .home-register {
    padding: 2.5rem 0;
}

.page-home .register-banner {
    background: linear-gradient(135deg,
            rgba(255, 107, 53, 0.18) 0%,
            rgba(255, 107, 53, 0.04) 100%);
    border: 1px solid rgba(255, 107, 53, 0.35);
    border-radius: var(--radius);
    padding: 2rem 1.75rem;
    position: relative;
    overflow: hidden;
}

.page-home .register-banner::before {
    content: "";
    position: absolute;
    top: -80px;
    right: 10%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.page-home .register-row {
    margin-bottom: 1.5rem;
}

.page-home .register-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.page-home .register-copy p {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.74;
    color: var(--c-white);
    margin: 0 0 0.875rem;
}

.page-home .register-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.875rem;
    margin-top: 1.5rem;
}

.page-home .register-actions .btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.9375rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.page-home .register-actions .btn-accent {
    background: var(--c-accent);
    color: var(--c-white);
    box-shadow: 0 6px 18px rgba(255, 107, 53, 0.3);
}

.page-home .register-actions .btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(255, 107, 53, 0.42);
}

.page-home .register-actions .btn-ghost {
    background: transparent;
    color: var(--c-white);
    border: 1px solid var(--c-glass-medium);
}

.page-home .register-actions .btn-ghost:hover {
    border-color: var(--c-accent);
    color: var(--c-accent);
}

.page-home .register-image {
    border-radius: 10px;
    overflow: hidden;
}

.page-home .register-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---------- 05 用户场景与帮助 ---------- */
.page-home .home-help {
    padding: 3rem 0 5.5rem;
}

.page-home .help-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.page-home .help-card {
    padding: 1.75rem;
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
}

.page-home .help-card::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--c-accent);
    transform: translateY(-50%);
    transition: height var(--transition);
}

.page-home .help-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.page-home .help-card:hover::before {
    height: 50%;
}

.page-home .help-card h3 {
    font-family: var(--font-headline);
    font-size: 1.125rem;
    color: var(--c-white);
    margin: 0 0 0.75rem;
}

.page-home .help-card p {
    font-family: var(--font-body);
    font-size: 0.9rem;
    line-height: 1.66;
    color: var(--c-secondary);
    margin: 0;
}

.page-home .help-footer-link {
    display: flex;
    justify-content: center;
    margin-top: 2.5rem;
}

.page-home .help-footer-link .btn {
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.9375rem;
    text-decoration: none;
    background: transparent;
    color: var(--c-white);
    border: 1px solid var(--c-glass-medium);
    transition: var(--transition);
}

.page-home .help-footer-link .btn:hover {
    border-color: var(--c-accent);
    color: var(--c-accent);
}

/* ---------- 响应式：平板 768px ---------- */
@media (min-width: 768px) {
    .page-home .hero-inner {
        grid-template-columns: 1.05fr 0.95fr;
        gap: 2.25rem;
    }

    .page-home .hero-desc {
        font-size: 1.125rem;
    }

    .page-home .update-bento {
        grid-template-columns: 1.4fr 0.8fr;
        gap: 1.5rem;
    }

    .page-home .update-main {
        padding: 2.25rem;
    }

    .page-home .update-metrics {
        padding: 1.75rem;
    }

    .page-home .feature-bento {
        grid-template-columns: 1.15fr 0.85fr;
        gap: 1.5rem;
        align-items: stretch;
    }

    .page-home .register-grid {
        grid-template-columns: 0.92fr 1.08fr;
        gap: 2rem;
    }

    .page-home .help-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

/* ---------- 响应式：桌面 1024px ---------- */
@media (min-width: 1024px) {
    .page-home .home-hero {
        padding: 5.5rem 0 4rem;
    }

    .page-home .hero-inner {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 3.5rem;
    }

    .page-home .hero-guide {
        padding: 2rem;
    }

    .page-home .home-update {
        padding: 5.5rem 0 3rem;
    }

    .page-home .update-bento {
        grid-template-columns: 1.5fr 0.7fr;
    }

    .page-home .home-feature-zone {
        padding: 4rem 0 3rem;
    }

    .page-home .feature-bento {
        gap: 1.75rem;
    }

    .page-home .feature-body {
        padding: 2rem 2rem 2.25rem;
    }

    .page-home .home-register {
        padding: 3rem 0;
    }

    .page-home .register-banner {
        padding: 2.75rem 2.5rem;
    }

    .page-home .home-help {
        padding: 4rem 0 6.5rem;
    }
}

/* ---------- 减弱动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
    .page-home .hero-buttons .btn,
    .page-home .register-actions .btn,
    .page-home .help-footer-link .btn,
    .page-home .feature-card,
    .page-home .help-card {
        transition: none;
    }
}