/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 92vh;
    padding: 210px 32px 88px;
    max-width: 1152px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 10;
    width: 100%;
}

@media (min-width: 768px) {
    .hero-content { width: 70%; }
}

.tag {
    display: inline-block;
    padding: 6px 18px;
    border: 1px solid var(--border-color);
    font-size: 10px;
    letter-spacing: 0.28em;
    color: var(--ink-pale);
    text-transform: uppercase;
    margin-bottom: 48px;
    background: var(--surface-overlay);
}

.hero-title {
    font-family: var(--font-brush);
    font-size: 4.2rem;
    font-weight: 400;
    line-height: 1.22;
    letter-spacing: 0.05em;
    margin-bottom: 48px;
    color: var(--ink-heavy);
}

@media (min-width: 768px) {
    .hero-title { font-size: 5.8rem; }
}

.hero-desc-wrap {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

@media (min-width: 768px) {
    .hero-desc-wrap {
        flex-direction: row;
        align-items: center;
        gap: 64px;
    }
}

.hero-desc {
    max-width: 380px;
    color: var(--ink-medium);
    font-family: var(--font-serif);
    font-weight: 300;
    opacity: 0.9;
    font-size: 16px;
    letter-spacing: 0.05em;
}

.explore-btn {
    display: flex;
    align-items: center;
    gap: 24px;
    cursor: pointer;
    width: fit-content;
}

.explore-icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.7s ease;
    position: relative;
    overflow: hidden;
}

.explore-icon-wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--ink-heavy);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.explore-btn:hover .explore-icon-wrap::before {
    transform: scale(1);
}

.explore-btn:hover .explore-icon-wrap {
    border-color: var(--ink-heavy);
    color: var(--bg-color);
}

.explore-btn:hover .explore-icon-wrap svg {
    position: relative;
    z-index: 1;
}

.explore-text {
    font-size: 12px;
    letter-spacing: 0.4em;
    font-weight: bold;
    text-transform: uppercase;
    color: var(--ink-dark);
}

.hero-bg-text {
    display: none;
    position: absolute;
    right: -40px;
    top: 55%;
    transform: translateY(-50%);
    font-family: var(--font-brush);
    font-size: 22vw;
    color: var(--ink-faint);
    user-select: none;
    opacity: 0.25;
    line-height: 1;
    z-index: 1;
    pointer-events: none;
}

@media (min-width: 768px) {
    .hero-bg-text { display: block; }
}

/* --- 印章 --- */
.seal {
    position: absolute;
    right: 80px;
    top: 180px;
    width: 64px;
    height: 64px;
    border: 2px solid var(--accent-seal);
    color: var(--accent-seal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-brush);
    font-size: 28px;
    line-height: 1;
    padding-top: 4px;
    opacity: 0.85;
    transform: rotate(-8deg);
    user-select: none;
    z-index: 2;
    mix-blend-mode: multiply;
    box-shadow: inset 0 0 0 1px var(--accent-seal-faint);
}

.seal::after {
    content: '';
    position: absolute;
    inset: 3px;
    border: 1px solid var(--accent-seal-tint);
}

@media (max-width: 1024px) {
    .seal { display: none; }
}

/* --- 节气角标 --- */
.today-tag {
    position: absolute;
    right: 32px;
    bottom: 40px;
    text-align: right;
    font-family: var(--font-serif);
    font-size: 12px;
    color: var(--ink-light);
    letter-spacing: 0.18em;
    line-height: 1.7;
    z-index: 4;
    user-select: none;
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.4s ease;
}

.today-tag.ready { opacity: 1; }

.today-tag .today-term {
    font-family: var(--font-brush);
    font-size: 14px;
    color: var(--ink-medium);
    letter-spacing: 0.25em;
    display: block;
    margin-bottom: 2px;
}

.today-tag .today-day {
    display: block;
    font-family: var(--font-serif);
    font-size: 12px;
    color: var(--ink-light);
    letter-spacing: 0.18em;
    margin-bottom: 2px;
}

.today-tag .today-lunar {
    display: block;
    font-family: var(--font-serif);
    font-size: 11px;
    color: var(--ink-pale);
    letter-spacing: 0.18em;
}

@media (max-width: 720px) {
    .today-tag {
        right: 24px;
        bottom: 28px;
        font-size: 11px;
    }
    .today-tag .today-term { font-size: 13px; }
    .today-tag .today-lunar { font-size: 10px; }
}

/* --- Hero 副标题 / 元信息 --- */
.hero-eyebrow {
    display: inline-block;
    font-family: var(--font-serif);
    font-size: 12px;
    color: var(--ink-light);
    letter-spacing: 0.18em;
    margin-bottom: 28px;
}
.hero-eyebrow strong {
    font-weight: 400;
    color: var(--ink-medium);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2px;
    margin-right: 6px;
}

.hero-meta {
    margin-top: 36px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px 22px;
    font-family: var(--font-serif);
    font-size: 12px;
    color: var(--ink-pale);
    letter-spacing: 0.18em;
}
.hero-meta span em {
    font-style: normal;
    color: var(--ink-light);
    margin-right: 8px;
    letter-spacing: 0.28em;
}
@media (max-width: 767px) {
    .hero-meta { gap: 10px 16px; font-size: 11px; }
}

@media (max-width: 767px) {
    .hero {
        min-height: 88vh;
        padding: 148px 24px 72px;
        align-items: flex-start;
    }

    .tag {
        margin-bottom: 34px;
        max-width: 100%;
        letter-spacing: 0.18em;
        white-space: normal;
    }

    .hero-title {
        font-size: 3.35rem;
        line-height: 1.26;
        margin-bottom: 34px;
    }

    .hero-desc {
        font-size: 15px;
        max-width: 100%;
    }

    .explore-btn {
        gap: 18px;
    }

    .explore-icon-wrap {
        width: 48px;
        height: 48px;
    }
}