/* ========== 基础重置 & 全局 ========== */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Noto Sans SC", "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top left, #ffeafd 0%, #f8f9ff 40%, #f2f6ff 70%, #ffffff 100%);
    color: #333;
    -webkit-font-smoothing: antialiased;
}

/* 全局布局 */

main {
    overflow: hidden;
}

.section {
    padding: 100px min(10vw, 120px);
    position: relative;
}

.section-inner {
    max-width: 1100px;
    margin: 0 auto;
}

/* 标题 */

.section-header {
    text-align: left;
    margin-bottom: 40px;
}

.section-title {
    font-size: clamp(28px, 3.2vw, 36px);
    margin: 0 0 8px;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.section-subtitle {
    margin: 0;
    color: #777;
    font-size: 14px;
}

/* 颜色 & UI 元素 */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    border-radius: 999px;
    border: none;
    font-size: 14px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease, color 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #ff9ad6, #ffb3e0, #ffdfef);
    color: #44223b;
    box-shadow: 0 12px 30px rgba(255, 155, 214, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(255, 155, 214, 0.6);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.5);
    color: #666;
    border: 1px solid rgba(255, 255, 255, 0.8);
    margin-left: 10px;
}

.btn-ghost:hover {
    background: #fff;
    transform: translateY(-2px);
}

.btn-disabled {
    background: #e5e7f5;
    color: #9aa0c0;
    cursor: not-allowed;
    box-shadow: none;
}

/* 滚动进度条 */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, #ff9ad6, #88c6ff, #a0e7ff);
    z-index: 999;
    transition: width 0.1s linear;
}

/* ========== Header 导航 ========== */

.main-header {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: min(1120px, 100% - 32px);
    padding: 12px 18px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 998;
    box-shadow: 0 12px 40px rgba(142, 167, 255, 0.24);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-mark {
    width: 26px;
    height: 26px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 20%, #fff 0, #ffe2f2 40%, #ffc1e4 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    color: #642b4a;
}

.logo-text {
    font-size: 13px;
    font-weight: 500;
    color: #555;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 18px;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
}

.main-nav a {
    text-decoration: none;
    color: #666;
    position: relative;
    padding-bottom: 2px;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, #ff9ad6, #88c6ff);
    transition: width 0.2s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

/* 移动端菜单按钮 */

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: #555;
}

/* ========== Hero Section ========== */

.hero-section {
    min-height: 100vh;
    padding-top: 120px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
}

.hero-bg {
    position: absolute;
    border-radius: 999px;
    filter: blur(40px);
    opacity: 0.85;
    z-index: -1;
}

.hero-bg-1 {
    width: 380px;
    height: 380px;
    background: #ffe0f3;
    top: -60px;
    left: -80px;
}

.hero-bg-2 {
    width: 420px;
    height: 420px;
    background: #c9e3ff;
    bottom: -120px;
    right: -60px;
}

.hero-tagline {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 11px;
    margin: 0 0 16px;
    color: #999;
}

.hero-title {
    font-size: clamp(38px, 5vw, 52px);
    margin: 0 0 16px;
    line-height: 1.1;
    letter-spacing: 0.06em;
}

.hero-subtitle {
    margin: 0 0 22px;
    color: #666;
    font-size: 14px;
}

.hero-actions {
    margin-bottom: 16px;
}

.hero-meta {
    font-size: 12px;
    color: #999;
}

.hero-meta span + span {
    margin-left: 10px;
}

/* Hero OC 占位卡片 */

.hero-visual {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.oc-card-main {
    width: 100%;
    max-width: 320px;
    background: radial-gradient(circle at top, #ffe5f6 0%, #fdf9ff 40%, #e8f1ff 100%);
    border-radius: 30px;
    padding: 20px 18px;
    box-shadow: 0 22px 40px rgba(154, 177, 255, 0.28);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px;
    align-items: center;
}

.oc-card-avatar {
    position: relative;
    width: 110px;
    height: 110px;
    border-radius: 32px;
    background: linear-gradient(145deg, #ffd4f0, #ffc0e7, #ffeaf7);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* 简单的可爱“脸” */

.oc-face {
    width: 70px;
    height: 70px;
    border-radius: 100%;
    background: #fffafc;
    position: relative;
    box-shadow: 0 8px 20px rgba(255, 143, 203, 0.35);
}

.oc-eye {
    position: absolute;
    top: 24px;
    width: 10px;
    height: 16px;
    border-radius: 999px;
    background: #444;
}

.oc-eye-left {
    left: 17px;
}

.oc-eye-right {
    right: 17px;
}

.oc-mouth {
    position: absolute;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 22px;
    height: 10px;
    border-radius: 0 0 50px 50px;
    border-bottom: 2px solid #555;
    border-left: 2px solid transparent;
    border-right: 2px solid transparent;
}

/* 耳机 + 麦克风的感觉 */

.oc-headset {
    position: absolute;
    inset: 10px;
    border-radius: 24px;
    border: 2px dashed rgba(255, 255, 255, 0.7);
    pointer-events: none;
}

.oc-mic-dot {
    position: absolute;
    right: 6px;
    bottom: 6px;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #ff9ad6;
}

.oc-card-info {
    font-size: 13px;
    color: #5f5670;
}

.oc-tag {
    font-weight: 600;
    margin-bottom: 4px;
}

.oc-desc {
    font-size: 12px;
    color: #8b7e9b;
    line-height: 1.5;
}

.hero-oc-caption {
    font-size: 11px;
    color: #a19ab8;
    max-width: 320px;
    text-align: right;
}

/* 向下滑动指示 */

.scroll-down-indicator {
    position: absolute;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    font-size: 11px;
    color: #999;
    text-decoration: none;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.scroll-down-icon {
    width: 14px;
    height: 18px;
    border-radius: 999px;
    border: 1px solid rgba(180, 180, 180, 0.7);
    position: relative;
}

.scroll-down-icon::after {
    content: "";
    position: absolute;
    top: 4px;
    left: 50%;
    width: 4px;
    height: 4px;
    margin-left: -2px;
    border-radius: 999px;
    background: #999;
    animation: scrollDot 1.2s infinite ease-in-out;
}

@keyframes scrollDot {
    0% { transform: translateY(0); opacity: 1; }
    60% { transform: translateY(6px); opacity: 0.3; }
    100% { transform: translateY(0); opacity: 1; }
}

/* ========== About ========== */

.about-section {
    padding-top: 80px;
}

.about-content {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 32px;
    align-items: flex-start;
}

.about-text p {
    font-size: 14px;
    color: #555;
    line-height: 1.8;
}

.about-text p + p {
    margin-top: 10px;
}

.about-tags {
    list-style: none;
    padding: 0;
    margin: 20px 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
}

.about-tags li {
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(229, 231, 247, 0.8);
}

.about-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 18px 16px;
    box-shadow: 0 15px 35px rgba(180, 189, 255, 0.2);
}

.about-card h3 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 15px;
}

.about-meta-list {
    margin: 0;
    font-size: 13px;
    color: #555;
}

.about-meta-list div + div {
    margin-top: 10px;
}

.about-meta-list dt {
    font-weight: 600;
}

.about-meta-list dd {
    margin: 2px 0 0;
    color: #777;
    font-weight: 400;
}

.soft-card {
    background: linear-gradient(145deg, #f3f5ff, #fff8ff);
}

.future-list {
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
    font-size: 13px;
    color: #666;
}

.future-placeholder {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px dashed rgba(155, 162, 220, 0.8);
    font-size: 11px;
    color: #888cbc;
}

/* ========== Gallery ========== */

.gallery-section {
    padding-top: 80px;
}

.gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 12px;
}

.filter-btn {
    border-radius: 999px;
    border: 1px solid rgba(197, 204, 245, 0.9);
    background: rgba(255, 255, 255, 0.9);
    padding: 6px 12px;
    cursor: pointer;
    font-size: 12px;
    color: #666;
    transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.filter-btn.active {
    background: linear-gradient(135deg, #ff9ad6, #88c6ff);
    color: #fff;
    box-shadow: 0 8px 18px rgba(149, 177, 255, 0.4);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

/* 占位块 */

.gallery-placeholder {
    position: relative;
    border-radius: 22px;
    padding: 18px 14px;
    background: radial-gradient(circle at top left, #ffe2f3 0, #ffeefd 25%, #e4f1ff 100%);
    box-shadow: 0 18px 35px rgba(165, 184, 255, 0.26);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 140px;
    overflow: hidden;
}

.gallery-placeholder::before {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 100px;
    height: 100px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.6);
    filter: blur(4px);
}

.ph-label {
    font-size: 14px;
    font-weight: 600;
    color: #4c355c;
}

.ph-sub {
    font-size: 11px;
    color: #7c7494;
}

/* ========== Schedule ========== */

.schedule-section {
    padding-top: 80px;
}

.schedule-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 26px;
    align-items: flex-start;
}

.schedule-card {
    background: rgba(255, 255, 255, 0.96);
    border-radius: 22px;
    padding: 20px 18px;
    box-shadow: 0 18px 40px rgba(170, 183, 255, 0.26);
    font-size: 13px;
}

.schedule-card h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 15px;
}

.schedule-table {
    border-radius: 16px;
    background: rgba(244, 246, 255, 0.9);
    padding: 10px 10px;
}

.schedule-row {
    display: grid;
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 8px;
    padding: 8px 8px;
    border-radius: 12px;
}

.schedule-row + .schedule-row {
    margin-top: 4px;
}

.schedule-row:nth-child(odd) {
    background: rgba(255, 255, 255, 0.8);
}

.schedule-day {
    font-weight: 600;
    color: #6a5a8a;
    font-size: 13px;
}

.schedule-title {
    font-size: 13px;
    color: #4a4866;
}

.schedule-time {
    font-size: 11px;
    color: #8b8ea8;
    margin-top: 2px;
}

.schedule-note {
    margin-top: 12px;
    font-size: 11px;
    color: #a0a5c1;
}

/* ========== Fan Wall ========== */

.fanwall-section {
    padding-top: 80px;
}

.fanwall-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 24px;
    align-items: flex-start;
}

.fanwall-messages {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.fan-card {
    border-radius: 20px;
    padding: 16px 16px 14px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 16px 35px rgba(169, 186, 255, 0.3);
    font-size: 13px;
}

.fan-card h3 {
    margin: 0 0 6px;
    font-size: 14px;
}

.fan-card p {
    margin: 0 0 8px;
    color: #555;
}

.fan-tag {
    font-size: 11px;
    color: #8e8fb0;
}

.fanwall-form-card {
    font-size: 13px;
}

.fan-form {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fan-form label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    color: #666;
}

.fan-form input,
.fan-form textarea {
    border-radius: 12px;
    border: 1px solid rgba(205, 210, 243, 0.9);
    padding: 8px 10px;
    font-family: inherit;
    font-size: 13px;
    resize: vertical;
    outline: none;
    background: rgba(252, 252, 255, 0.8);
}

/* ========== Social Links ========== */

.social-section {
    padding-top: 80px;
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.social-card {
    border-radius: 18px;
    background: linear-gradient(145deg, #f9f6ff, #fff);
    padding: 14px 14px 12px;
    text-decoration: none;
    color: inherit;
    font-size: 13px;
    box-shadow: 0 14px 32px rgba(160, 178, 255, 0.3);
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.social-card h3 {
    margin: 0 0 6px;
    font-size: 14px;
}

.social-card p {
    margin: 0 0 6px;
    color: #555;
}

.social-hint {
    font-size: 11px;
    color: #9697bc;
}

.social-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(143, 165, 255, 0.4);
    background: linear-gradient(145deg, #ffe9f7, #f3f6ff);
}

.social-future {
    margin-top: 22px;
    font-size: 12px;
    color: #6e6d90;
}

/* ========== Footer ========== */

.main-footer {
    text-align: center;
    padding: 26px 16px 30px;
    font-size: 11px;
    color: #9a9db8;
}

.footer-note {
    margin-top: 4px;
}

/* ========== Reveal 动画 ========== */

.reveal,
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible,
.reveal-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 辅助隐藏类 */

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    margin: -1px;
    border: 0;
    padding: 0;
    white-space: nowrap;
    clip-path: inset(50%);
    clip: rect(0 0 0 0);
    overflow: hidden;
}

/* ========== 响应式 ========== */

@media (max-width: 960px) {
    .section {
        padding: 90px 22px;
    }

    .main-header {
        width: calc(100% - 24px);
    }

    .main-nav {
        position: absolute;
        top: 54px;
        right: 12px;
        background: rgba(255, 255, 255, 0.96);
        border-radius: 18px;
        padding: 10px 14px;
        box-shadow: 0 14px 40px rgba(166, 177, 245, 0.35);
        display: none;
    }

    .main-nav.open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-inner {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        align-items: flex-start;
        margin-top: 10px;
    }

    .hero-section {
        min-height: auto;
        padding-bottom: 90px;
    }

    .about-content,
    .schedule-layout,
    .fanwall-layout {
        grid-template-columns: 1fr;
    }

    .social-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gallery-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .section {
        padding: 80px 18px;
    }

    .social-grid,
    .gallery-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-title {
        font-size: 32px;
    }

    .oc-card-main {
        max-width: 260px;
    }
}