/* ========== Reset & Base ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');
body {
    font-family: 'Noto Sans SC', -apple-system, 'Segoe UI', sans-serif;
    background: #fef6f8;
    color: #333;
    min-height: 100vh;
    scroll-behavior: smooth;
}
a {
    text-decoration: none;
    color: inherit;
}

/* ========== Color Palette ========== */
:root {
    --pk-100: #fce4ec;
    --pk-200: #f8bbd0;
    --pk-300: #f48fb1;
    --pk-400: #f06292;
    --pk-500: #ec407a;
    --pk-600: #e91e63;
    --pk-700: #d81b60;
    --pk-800: #c2185b;
    --pk-900: #ad1457;
    --pk-grad: linear-gradient(135deg, #ff6b9d 0%, #e91e63 50%, #c2185b 100%);
    --pk-grad-light: linear-gradient(135deg, #fce4ec 0%, #f8bbd0 100%);
    --shadow: 0 4px 20px rgba(233, 30, 99, 0.15);
    --shadow-lg: 0 8px 40px rgba(233, 30, 99, 0.20);
    --radius: 16px;
    --radius-sm: 10px;
}

/* ========== Navigation ========== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--pk-200);
    box-shadow: 0 2px 12px rgba(233, 30, 99, 0.08);
}
.top-bar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    height: 64px;
    gap: 32px;
}
.logo {
    font-size: 22px;
    font-weight: 900;
    background: var(--pk-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    letter-spacing: 1px;
}
.logo small {
    font-size: 12px;
    font-weight: 400;
    -webkit-text-fill-color: #999;
    letter-spacing: 0;
}
.nav-tabs {
    display: flex;
    gap: 4px;
    flex: 1;
}
.nav-tab {
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    color: #888;
    border: none;
    background: transparent;
    font-family: inherit;
    position: relative;
}
.nav-tab:hover {
    color: var(--pk-600);
    background: var(--pk-100);
}
.nav-tab.active {
    color: #fff;
    background: var(--pk-grad);
    box-shadow: 0 4px 12px rgba(233, 30, 99, 0.35);
}

/* ========== Page Sections ========== */
.page {
    display: none;
    padding-top: 80px;
    min-height: 100vh;
    animation: fadeUp 0.5s ease;
}
.page.active {
    display: block;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.page-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 20px 60px;
}

.section-title {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 4px;
    background: var(--pk-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-sub {
    color: #999;
    font-size: 13px;
    margin-bottom: 20px;
    border-left: 3px solid var(--pk-400);
    padding-left: 12px;
}

/* ========== HOME: Band Cards ========== */
.band-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.band-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s;
    cursor: pointer;
    border: 2px solid transparent;
}
.band-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--pk-300);
}
.band-header {
    padding: 16px 20px 12px;
    position: relative;
    overflow: hidden;
}
.band-header::before {
    content: '';
    position: absolute;
    top: -60%;
    right: -30%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    opacity: 0.10;
}
.band-header.poppin::before    { background: #e91e63; }
.band-header.afterglow::before { background: #ff6f00; }
.band-header.pastel::before    { background: #00bcd4; }
.band-header.roselia::before   { background: #7b1fa2; }
.band-header.happy::before     { background: #ffeb3b; }
.band-header.ras::before       { background: #f44336; }
.band-header.morfonica::before { background: #4caf50; }
.band-header.mygo::before      { background: #1a237e; }
.band-header.mujica::before    { background: #881144; }
.band-header.mugendai::before  { background: #ffee55; }
.band-header.millsage::before  { background: #44ccdd; }
.band-header.dumbrock::before  { background: #ff7700; }

.band-header.poppin    { background: linear-gradient(135deg, #fce4ec, #f8bbd0); }
.band-header.afterglow { background: linear-gradient(135deg, #fff3e0, #ffe0b2); }
.band-header.pastel    { background: linear-gradient(135deg, #e0f7fa, #b2ebf2); }
.band-header.roselia   { background: linear-gradient(135deg, #f3e5f5, #e1bee7); }
.band-header.happy     { background: linear-gradient(135deg, #fffde7, #fff9c4); }
.band-header.ras       { background: linear-gradient(135deg, #ffebee, #ffcdd2); }
.band-header.morfonica { background: linear-gradient(135deg, #e8f5e9, #c8e6c9); }
.band-header.mygo      { background: linear-gradient(135deg, #e8eaf6, #c5cae9); }
.band-header.mujica    { background: linear-gradient(135deg, #fce4f0, #f0c8d8); }
.band-header.mugendai  { background: linear-gradient(135deg, #fffde7, #fff9c4); }
.band-header.millsage  { background: linear-gradient(135deg, #e0f7fa, #b2ebf2); }
.band-header.dumbrock  { background: linear-gradient(135deg, #fff3e0, #ffe0b2); }

.band-name {
    font-size: 18px;
    font-weight: 900;
    position: relative;
    z-index: 1;
}
.band-name.poppin-en    { color: #e91e63; }
.band-name.afterglow-en { color: #e65100; }
.band-name.pastel-en    { color: #00838f; }
.band-name.roselia-en   { color: #6a1b9a; }
.band-name.happy-en     { color: #f9a825; }
.band-name.ras-en       { color: #d32f2f; }
.band-name.morfonica-en { color: #2e7d32; }
.band-name.mygo-en      { color: #283593; }
.band-name.mujica-en    { color: #881144; }
.band-name.mugendai-en  { color: #d4a800; }
.band-name.millsage-en  { color: #0099aa; }
.band-name.dumbrock-en  { color: #e65100; }

.band-sub {
    font-size: 12px;
    color: #888;
    margin-top: 1px;
    position: relative;
    z-index: 1;
}
.band-members {
    padding: 12px 24px 20px;
}
.member-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
    cursor: pointer;
}
.member-row:hover {
    background: var(--pk-100);
}
.member-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    color: #fff;
    flex-shrink: 0;
    background: var(--pk-grad);
    overflow: hidden;
}
.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    border-radius: 50%;
    padding: 2px;
}
.band-members {
    padding: 8px 20px 14px;
}
.member-row {
    padding: 5px 10px;
    gap: 10px;
}
.member-name {
    font-size: 13px;
}
.member-name .jp {
    font-size: 11px;
}
.member-role {
    font-size: 11px;
}
.member-link {
    font-size: 11px;
    padding: 2px 10px;
}
.member-avatar.alt1 { background: linear-gradient(135deg, #ff6f00, #ffa040); }
.member-avatar.alt2 { background: linear-gradient(135deg, #00bcd4, #4dd0e1); }
.member-avatar.alt3 { background: linear-gradient(135deg, #7b1fa2, #ab47bc); }
.member-avatar.alt4 { background: linear-gradient(135deg, #f9a825, #ffd54f); }
.member-avatar.alt5 { background: linear-gradient(135deg, #d32f2f, #ef5350); }
.member-avatar.alt6 { background: linear-gradient(135deg, #2e7d32, #66bb6a); }
.member-avatar.alt7 { background: linear-gradient(135deg, #283593, #5c6bc0); }

.member-info { flex: 1; }
.member-name {
    font-weight: 600;
    font-size: 15px;
}
.member-name .jp {
    font-weight: 400;
    color: #999;
    font-size: 13px;
    margin-left: 6px;
}
.member-role {
    font-size: 12px;
    color: #aaa;
}
.member-link {
    color: var(--pk-500);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 12px;
    background: var(--pk-100);
    transition: all 0.2s;
    white-space: nowrap;
}
.member-link:hover {
    background: var(--pk-500);
    color: #fff;
}

/* ========== CHARACTER INTRO ========== */
.intro-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 20px;
    align-items: start;
}
.intro-sidebar {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    position: sticky;
    top: 88px;
}
.intro-avatar-box {
    background: var(--pk-grad);
    padding: 16px 16px 14px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.intro-avatar-box::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 40%, rgba(255,255,255,0.15) 0%, transparent 60%);
}
.intro-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    font-size: 26px;
    font-weight: 900;
    color: #fff;
    margin: 0 auto 6px;
    position: relative;
    z-index: 1;
    border: 3px solid rgba(255,255,255,0.5);
}
.intro-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
    border-radius: 50%;
}
.intro-avatar-name {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}
.intro-avatar-name .jp {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.85;
    display: block;
}
.intro-info-list {
    padding: 12px 20px;
}
.intro-info-item {
    display: flex;
    justify-content: space-between;
    padding: 7px 0;
    border-bottom: 1px solid #f5f5f5;
    font-size: 13px;
}
.intro-info-item:last-child { border-bottom: none; }
.intro-info-item .label { color: #aaa; font-weight: 400; }
.intro-info-item .value { color: #333; font-weight: 600; text-align: right; }

.intro-main {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
}
.intro-main h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--pk-700);
}
.intro-main p {
    line-height: 1.9;
    font-size: 15px;
    color: #555;
    margin-bottom: 16px;
    text-indent: 2em;
}
.intro-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    margin: 0 6px 8px 0;
    background: var(--pk-100);
    color: var(--pk-700);
}
.intro-tag.alt1 { background: #fff3e0; color: #e65100; }
.intro-tag.alt2 { background: #e0f7fa; color: #00838f; }
.intro-tag.alt3 { background: #f3e5f5; color: #6a1b9a; }
.intro-tag.alt4 { background: #e8f5e9; color: #2e7d32; }

.quote-box {
    background: linear-gradient(135deg, #fce4ec, #f8bbd0);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    margin: 16px 0;
    position: relative;
}
.quote-box::before {
    content: '"';
    font-size: 60px;
    color: var(--pk-400);
    position: absolute;
    top: 4px;
    left: 12px;
    font-family: Georgia, serif;
    line-height: 1;
    opacity: 0.5;
}
.quote-box p {
    text-indent: 0;
    font-style: italic;
    color: #555;
    margin-bottom: 4px;
}
.quote-box .cite {
    text-align: right;
    font-size: 13px;
    color: var(--pk-600);
    font-weight: 500;
}

/* ========== STORIES ========== */
.story-timeline {
    position: relative;
    padding-left: 40px;
}
.story-timeline::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--pk-300), var(--pk-600));
    border-radius: 2px;
}
.story-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px 24px;
    margin-bottom: 24px;
    position: relative;
    transition: all 0.3s;
    border: 1px solid transparent;
}
.story-card:hover {
    border-color: var(--pk-300);
    box-shadow: var(--shadow-lg);
}
.story-card::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 24px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--pk-500);
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px var(--pk-300);
}
.story-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.story-card-title {
    font-weight: 700;
    font-size: 17px;
    color: var(--pk-700);
}
.story-card-ep {
    font-size: 12px;
    color: #bbb;
    background: var(--pk-100);
    padding: 2px 12px;
    border-radius: 10px;
}
.story-card-body {
    font-size: 14px;
    line-height: 1.8;
    color: #555;
}
.story-card-body p {
    margin-bottom: 8px;
}

/* Message bubble style */
.msg-bubble {
    display: flex;
    gap: 10px;
    margin: 16px 0;
    align-items: flex-start;
}
.msg-bubble.right {
    flex-direction: row-reverse;
}
.msg-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
    overflow: hidden;
    background: var(--pk-grad);
}
.msg-icon.other {
    background: linear-gradient(135deg, #90caf9, #42a5f5);
}
.msg-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 3px;
    border-radius: 50%;
}
.msg-content {
    max-width: 75%;
    padding: 10px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.6;
    background: var(--pk-100);
    color: #444;
    border-bottom-left-radius: 4px;
    position: relative;
}
.msg-bubble.right .msg-content {
    background: var(--pk-500);
    color: #fff;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 4px;
}
.msg-time {
    font-size: 11px;
    color: #bbb;
    margin-top: 4px;
}
.msg-bubble.right .msg-time {
    text-align: right;
}

/* ========== CHARACTER SETTINGS ========== */
.settings-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.settings-card-header {
    padding: 14px 20px;
    background: var(--pk-grad);
    color: #fff;
    font-size: 15px;
}
.settings-card-body {
    padding: 16px;
}
.settings-item {
    display: flex;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #f5f5f5;
}
.settings-item:last-child { border-bottom: none; }
.settings-item-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--pk-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    margin-right: 12px;
    flex-shrink: 0;
}
.settings-item-label {
    font-size: 12px;
    color: #aaa;
    min-width: 48px;
}
.settings-item-value {
    font-size: 13px;
    font-weight: 600;
    color: #333;
}

.instrument-box {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #fff;
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    margin-top: 16px;
}
.instrument-box h4 {
    font-size: 14px;
    color: var(--pk-300);
    margin-bottom: 8px;
    letter-spacing: 2px;
}
.instrument-box .model {
    font-size: 22px;
    font-weight: 700;
    font-family: Georgia, serif;
}
.instrument-box .desc {
    font-size: 13px;
    color: #aaa;
    margin-top: 6px;
}

/* ========== Character Modal ========== */
.char-modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(8px);
    padding: 20px;
}
.char-modal-overlay.open {
    display: flex;
}
.char-modal {
    background: #fff;
    border-radius: var(--radius);
    max-width: 560px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    animation: fadeUp 0.3s ease;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.char-modal-header {
    background: var(--pk-grad);
    padding: 12px 16px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}
.char-modal-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    border: 3px solid rgba(255,255,255,0.4);
    flex-shrink: 0;
}
.char-modal-header-info h3 {
    font-size: 17px;
}
.char-modal-header-info .sub {
    font-size: 13px;
    opacity: 0.85;
}
.char-modal-close {
    margin-left: auto;
    background: rgba(255,255,255,0.2);
    border: none;
    color: #fff;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.2s;
}
.char-modal-close:hover {
    background: rgba(255,255,255,0.35);
}
.char-modal-body {
    padding: 24px 28px;
}
.char-modal-body .info-row {
    display: flex;
    padding: 10px 0;
    border-bottom: 1px solid #f5f5f5;
}
.char-modal-body .info-row .lbl {
    width: 80px;
    color: #aaa;
    font-size: 14px;
}
.char-modal-body .info-row .val {
    flex: 1;
    font-weight: 500;
    font-size: 14px;
}
.char-modal-body p {
    margin-top: 12px;
    line-height: 1.8;
    color: #555;
    font-size: 14px;
}

/* ========== Settings & Intro: Band & Char Selector ========== */
.settings-band-bar, .intro-band-bar, .stories-band-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}
.settings-band-btn, .intro-band-btn, .stories-band-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 14px;
    background: #fff;
    border: 2px solid #f0f0f0;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: #555;
}
.settings-band-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    border-color: var(--pk-200);
}
.settings-band-btn.active {
    background: var(--pk-grad);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(233,30,99,0.25);
}

.settings-char-bar, .intro-char-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
    padding: 14px 18px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    min-height: 56px;
}
.settings-char-btn, .intro-char-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px 3px 3px;
    border-radius: 20px;
    background: var(--pk-100);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 11px;
    font-weight: 500;
    color: #666;
    border: 2px solid transparent;
    user-select: none;
}
.settings-char-btn:hover {
    background: var(--pk-200);
}
.settings-char-btn.active {
    background: var(--pk-grad);
    color: #fff;
    border-color: var(--pk-400);
}
.settings-char-avatar, .intro-char-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
}
img.settings-char-avatar, img.intro-char-avatar {
    width: 24px;
    height: 24px;
    padding: 5px;
    object-fit: contain;
    background: var(--pk-grad);
}

/* ========== BOOKSHELF (角色设定) ========== */
.bookshelf {
    position: relative;
    max-width: 1100px;
    margin: 8px auto 0;
    padding: 28px 30px 34px;
    border-radius: var(--radius);
    background: #fef6f8;
}

.books {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px var(--shelf-gap, 18px);
    align-items: end;
    justify-items: center;
    --shelf-gap: 18px;
}
.book {
    position: relative;
    width: 170px;
    height: 240px;
    cursor: pointer;
    user-select: none;
    border-radius: 4px 10px 10px 4px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.35), inset 3px 0 6px rgba(255, 255, 255, 0.25);
    animation: bookIn 0.6s ease backwards;
    outline: none;
}
.book:hover,
.book:focus-visible {
    transform: translateY(-10px) rotate(-1.5deg);
    box-shadow: 0 18px 30px rgba(0, 0, 0, 0.45), inset 3px 0 6px rgba(255, 255, 255, 0.3);
    filter: brightness(1.06);
}
.book:active {
    transform: translateY(-2px) scale(0.96) rotate(0deg);
}
@keyframes bookIn {
    from { opacity: 0; transform: translateY(26px); }
    to { opacity: 1; transform: translateY(0); }
}
.book-spine {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 24px;
    border-radius: 4px 0 0 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: rgba(255, 255, 255, 0.94);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}
.book-cover {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 24px;
    right: 0;
    border-radius: 0 10px 10px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    overflow: hidden;
}
.book-cover-icon {
    font-size: 42px;
    line-height: 1;
    filter: drop-shadow(0 3px 5px rgba(0, 0, 0, 0.3));
}
.book-cover .band-logo {
    max-width: 76%;
    max-height: 72%;
    object-fit: contain;
    filter: drop-shadow(0 3px 5px rgba(0, 0, 0, 0.3));
}
.book-cover-name {
    font-size: 1.02rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-align: center;
    padding: 0 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.28);
}
.book-music-note {
    position: absolute;
    right: 10px;
    bottom: 10px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: var(--pk-600);
    font-size: 15px;
    font-weight: 900;
    line-height: 1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    animation: musicPulse 1.6s ease-in-out infinite;
    pointer-events: none;
}
@keyframes musicPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.14); }
}
.book-stand {
    position: absolute;
    left: calc(var(--shelf-gap, 18px) / -2);
    right: calc(var(--shelf-gap, 18px) / -2);
    bottom: -8px;
    height: 10px;
    border-radius: 3px;
    background: #fef6f8;
    box-shadow: 0 5px 14px rgba(233, 30, 99, 0.22);
}

/* ========== BOOK READER ========== */
.book-reader-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(58, 12, 32, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.book-reader-overlay.open {
    display: flex;
}
.book-reader {
    position: relative;
    width: min(1040px, 100%);
    max-height: 90vh;
    overflow-y: auto;
    background: #fffdf9;
    border-radius: 14px;
    box-shadow: 0 26px 64px rgba(0, 0, 0, 0.45), inset 0 0 0 1px rgba(255, 255, 255, 0.3);
    animation: bookOpen 0.3s ease;
}
@keyframes bookOpen {
    from { opacity: 0; transform: translateY(24px) scale(0.95); }
    to { opacity: 1; transform: none; }
}
.book-reader-close {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
    font-size: 17px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}
.book-reader-close:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: rotate(90deg);
}
.book-reader-band {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 56px 14px 24px;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}
.book-reader-icon {
    font-size: 34px;
    line-height: 1;
    filter: drop-shadow(0 3px 5px rgba(0, 0, 0, 0.3));
}
.book-reader-band h2 {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
}
.book-reader-band-sub {
    font-size: 12px;
    opacity: 0.92;
    margin-top: 2px;
}
.book-reader-music {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.28);
    animation: musicPulse 2s ease-in-out infinite;
}
.book-reader-music-note {
    font-size: 22px;
    line-height: 1;
    animation: noteSpin 3.2s linear infinite;
    display: inline-block;
}
@keyframes noteSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.book-reader-music-now {
    font-size: 10px;
    letter-spacing: 2px;
    opacity: 0.85;
}
.book-reader-music-name {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    max-width: 260px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.book-reader-pages {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.book-reader-pages::before,
.book-reader-pages::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 46px;
    pointer-events: none;
    z-index: 1;
}
.book-reader-pages::before {
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.07));
}
.book-reader-pages::after {
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.07), transparent);
}
.book-page {
    padding: 22px 26px 28px;
}
.book-page-title {
    text-align: center;
    font-size: 13px;
    font-weight: 700;
    color: var(--pk-600);
    letter-spacing: 6px;
    margin-bottom: 14px;
    position: relative;
}
.book-page-title::after {
    content: '';
    display: block;
    width: 56px;
    height: 2px;
    margin: 8px auto 0;
    background: var(--pk-grad);
    border-radius: 2px;
}
.book-page-hero {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}
.book-page-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    font-size: 24px;
    font-weight: 900;
    color: #fff;
    border: 3px solid #fff;
    box-shadow: 0 4px 12px rgba(233, 30, 99, 0.25);
    flex-shrink: 0;
}
.book-page-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
    border-radius: 50%;
    background: #fff;
}
.book-page-hero h3 {
    font-size: 19px;
    font-weight: 800;
    color: #333;
}
.book-page-sub {
    font-size: 12px;
    color: #999;
    margin-top: 3px;
}
.book-reader-footer {
    text-align: center;
    padding: 14px 0 18px;
    font-size: 12px;
    color: var(--pk-400);
    letter-spacing: 2px;
    border-top: 1px dashed rgba(233, 30, 99, 0.25);
}

/* ========== Bookshelf & Book Reader: Responsive ========== */
@media (max-width: 900px) {
    .books { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .book { width: 150px; height: 212px; }
    .book-reader-pages { grid-template-columns: 1fr; }
    .book-reader-pages::before,
    .book-reader-pages::after { display: none; }
    .book-reader-band { padding: 16px 48px 12px 18px; flex-wrap: wrap; }
    .book-page { padding: 18px 18px 22px; }
}
@media (max-width: 560px) {
    .books { --shelf-gap: 10px; gap: 20px var(--shelf-gap); }
    .book { width: 132px; height: 188px; }
    .book-spine { width: 20px; }
    .book-cover { left: 20px; }
    .book-cover-icon { font-size: 32px; }
    .book-cover-name { font-size: 0.86rem; }
    .bookshelf { padding: 22px 16px 28px; }
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
    .top-bar-inner { padding: 0 12px; gap: 8px; }
    .logo { font-size: 16px; }
    .nav-tab { padding: 6px 12px; font-size: 12px; }
    .band-grid { grid-template-columns: 1fr; }
    .intro-layout { grid-template-columns: 1fr; }
    .intro-sidebar { position: static; }
    .settings-band-bar { gap: 8px; }
    .settings-band-btn, .intro-band-btn, .stories-band-btn { padding: 8px 14px; font-size: 13px; }
    .settings-char-bar, .intro-char-bar { padding: 10px 14px; gap: 6px; }
    .settings-char-btn, .intro-char-btn { font-size: 12px; padding: 4px 12px 4px 4px; }
    .intro-band-bar { gap: 8px; }
    .intro-band-btn { padding: 8px 14px; font-size: 13px; }
    .intro-char-bar { padding: 10px 14px; gap: 6px; }
    .intro-char-btn { font-size: 12px; padding: 4px 12px 4px 4px; }
    .page-inner { padding: 16px 12px 80px; }
    .section-title { font-size: 24px; }
}

/* ========== Footer ========== */
.footer {
    text-align: center;
    padding: 40px 24px;
    color: #ccc;
    font-size: 13px;
    border-top: 1px solid #f0f0f0;
    margin-top: 40px;
}
.footer .heart { color: var(--pk-500); }

/* ========== Sakura Falling Petals ========== */
.sakura-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.sakura-petal {
    position: absolute;
    top: -30px;
    border-radius: 50% 0 50% 0;
    opacity: 0;
    animation: sakuraFall var(--fall-duration, 12s) var(--fall-delay, 0s) ease-in infinite;
}

@keyframes sakuraFall {
    0% {
        transform: translateY(0) translateX(0) rotate(0deg) scale(1);
        opacity: 0;
    }
    5% {
        opacity: var(--petal-opacity, 0.6);
    }
    25% {
        transform: translateY(25vh) translateX(var(--sway-1, 30px)) rotate(120deg) scale(1.05);
    }
    50% {
        transform: translateY(50vh) translateX(var(--sway-2, -20px)) rotate(240deg) scale(0.95);
    }
    75% {
        transform: translateY(75vh) translateX(var(--sway-3, 25px)) rotate(360deg) scale(1.02);
    }
    95% {
        opacity: var(--petal-opacity, 0.6);
    }
    100% {
        transform: translateY(105vh) translateX(var(--sway-4, -10px)) rotate(480deg) scale(0.8);
        opacity: 0;
    }
}

/* ========== 图鉴板块(Bestdori 数据) ========== */
/* ========== 筛选条 ========== */
.zukan-filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
.zukan-filter-btn { padding: 7px 18px; border-radius: 18px; font-size: 13px; font-weight: 600;
    border: 2px solid var(--pk-200); background: #fff; color: #888; cursor: pointer; transition: all .2s; }
.zukan-filter-btn:hover { border-color: var(--pk-400); color: var(--pk-600); }
.zukan-filter-btn.active { background: var(--pk-grad); border-color: transparent; color: #fff; box-shadow: var(--shadow); }
.zukan-search-box { flex: 1; min-width: 200px; padding: 8px 18px; border-radius: 18px;
    border: 2px solid var(--pk-200); font-size: 13px; outline: none; font-family: inherit; }
.zukan-search-box:focus { border-color: var(--pk-400); }

/* ========== 歌曲图鉴 ========== */
.song-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.song-card { background: #fff; border-radius: var(--radius); overflow: hidden; cursor: pointer;
    box-shadow: var(--shadow); border: 1px solid var(--pk-100); transition: transform .2s, box-shadow .2s; }
.song-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.song-card .song-cover { position: relative; aspect-ratio: 1; overflow: hidden; }
.song-card .song-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.song-card .song-cover .play-overlay { position: absolute; inset: 0; display: flex;
    align-items: center; justify-content: center; background: rgba(0,0,0,.4);
    opacity: 0; transition: opacity .2s; font-size: 40px; }
.song-card:hover .play-overlay { opacity: 1; }
.song-card .song-cover .song-level { position: absolute; top: 8px; right: 8px;
    background: rgba(0,0,0,.55); color: #ffd54f; font-size: 11px; font-weight: 800;
    padding: 2px 8px; border-radius: 8px; }
.song-card .song-cover .song-tag { position: absolute; bottom: 8px; left: 8px;
    background: rgba(0,0,0,.55); color: #fff; font-size: 10px; padding: 2px 8px; border-radius: 8px; }
.song-card .song-info { padding: 12px 14px; }
.song-card .song-title { font-size: 14px; font-weight: 700; margin-bottom: 3px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.song-card .song-band { font-size: 11.5px; color: #aaa; }
.song-card .song-meta { display: flex; gap: 10px; margin-top: 6px; font-size: 11px; color: #999; }

/* ========== 卡牌图鉴 ========== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; }
.card-item { background: #fff; border-radius: var(--radius); overflow: hidden; cursor: pointer;
    box-shadow: var(--shadow); border: 1px solid var(--pk-100); transition: transform .2s; }
.card-item:hover { transform: translateY(-4px) scale(1.02); }
.card-item .card-art { position: relative; aspect-ratio: 3/4; overflow: hidden; background: #eee; }
.card-item .card-art img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-item .card-art .card-rarity { position: absolute; top: 8px; left: 8px; font-size: 10px;
    color: #fff; background: rgba(0,0,0,.5); padding: 2px 8px; border-radius: 8px; font-weight: 800; }
.card-item .card-art .card-attr { position: absolute; top: 8px; right: 8px; font-size: 10px;
    color: #fff; background: rgba(0,0,0,.5); padding: 2px 8px; border-radius: 8px; }
.card-item .card-info { padding: 10px 12px; }
.card-item .card-name { font-size: 12.5px; font-weight: 700; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis; }
.card-item .card-char { font-size: 11px; color: #999; margin-top: 2px; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis; }

/* 稀有度边框色 */
.rarity-1 { box-shadow: 0 2px 8px rgba(0,0,0,.08); }
.rarity-2 { box-shadow: 0 2px 8px rgba(76,175,80,.25); }
.rarity-3 { box-shadow: 0 2px 10px rgba(33,150,243,.30); }
.rarity-4 { box-shadow: 0 3px 14px rgba(233,30,99,.35); }
.rarity-5 { box-shadow: 0 3px 16px rgba(255,193,7,.45); }

/* ========== 活动图鉴 ========== */
.event-list { display: flex; flex-direction: column; gap: 14px; }
.event-item { background: #fff; border-radius: var(--radius); padding: 18px 22px;
    box-shadow: var(--shadow); border-left: 5px solid var(--pk-400); transition: transform .2s; }
.event-item:hover { transform: translateX(6px); }
.event-item .event-type { display: inline-block; font-size: 11px; color: #fff;
    padding: 2px 10px; border-radius: 10px; margin-bottom: 8px; font-weight: 600; }
.event-item .event-title { font-size: 16px; font-weight: 800; margin-bottom: 6px; }
.event-item .event-desc { font-size: 13px; color: #777; line-height: 1.6; }
.event-item .event-meta { margin-top: 10px; font-size: 12px; color: #aaa; display: flex; gap: 16px; flex-wrap: wrap; }

/* ========== 加载更多 ========== */
.load-more-wrap { text-align: center; margin-top: 24px; }
.load-more-btn { padding: 10px 40px; border-radius: 22px; border: 2px solid var(--pk-300);
    background: #fff; color: var(--pk-600); font-size: 14px; font-weight: 700; cursor: pointer;
    transition: all .2s; font-family: inherit; }
.load-more-btn:hover { background: var(--pk-100); border-color: var(--pk-400); }



/* ========== 相关资讯板块 ========== */
/* ========== 首页 Hero ========== */
.hero-card {
    border-radius: 20px; padding: 36px 40px; color: #fff; position: relative; overflow: hidden;
    background: linear-gradient(120deg, #e91e63 0%, #ad1457 60%, #7b1fa2 100%);
    box-shadow: var(--shadow-lg); margin-bottom: 28px;
}
.hero-card::after { content: '🎸'; position: absolute; right: 24px; bottom: -18px;
    font-size: 110px; opacity: .18; transform: rotate(-12deg); }
.hero-tag { display: inline-block; background: rgba(255,255,255,.2); backdrop-filter: blur(6px);
    padding: 4px 14px; border-radius: 20px; font-size: 12px; letter-spacing: 2px; margin-bottom: 14px; }
.hero-title { font-size: 30px; font-weight: 900; margin-bottom: 8px; }
.hero-desc { font-size: 14.5px; opacity: .9; max-width: 560px; line-height: 1.7; }
.hero-meta { margin-top: 18px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-meta span { background: rgba(255,255,255,.16); padding: 6px 14px; border-radius: 12px; font-size: 12.5px; }

/* ========== 首页板块 ========== */
.home-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 20px; margin-bottom: 28px; }
.home-grid .card, .card { background: #fff; border-radius: var(--radius); padding: 22px 24px;
    box-shadow: var(--shadow); border: 1px solid var(--pk-100); }
.card-title { font-size: 16px; font-weight: 800; color: var(--pk-700); margin-bottom: 16px;
    display: flex; align-items: center; gap: 8px; }
.card-title .more { margin-left: auto; font-size: 12px; font-weight: 500; color: #bbb; cursor: pointer; }
.card-title .more:hover { color: var(--pk-500); }

/* 最新歌曲列表 */
.song-mini { display: flex; align-items: center; gap: 12px; padding: 8px;
    border-radius: 12px; cursor: pointer; transition: background .2s; }
.song-mini:hover { background: var(--pk-100); }
.song-mini .mini-cover { width: 44px; height: 44px; border-radius: 10px; object-fit: cover; flex-shrink: 0;
    background: var(--pk-grad-light); }
.song-mini .play-btn { width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
    background: var(--pk-grad); color: #fff; border: none; font-size: 12px; cursor: pointer;
    display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow); }
.song-mini .song-name { font-size: 13.5px; font-weight: 600; }
.song-mini .song-band { font-size: 11px; color: #aaa; }

/* 生日列表 */
.bday-item { display: flex; align-items: center; gap: 12px; padding: 8px; border-radius: 12px; }
.bday-item .bday-date { font-size: 11px; color: var(--pk-500); font-weight: 700; width: 52px; flex-shrink: 0; }
.bday-item .bday-ava { width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center; font-size: 14px; color: #fff; font-weight: 700; }
.bday-item .bday-name { font-size: 13.5px; font-weight: 600; }
.bday-item .bday-band { font-size: 11px; color: #aaa; }

/* 公告 */
.announce-item { padding: 10px 8px; border-bottom: 1px dashed var(--pk-100); font-size: 13px; }
.announce-item:last-child { border-bottom: none; }
.announce-item .ann-date { font-size: 11px; color: #bbb; margin-right: 8px; }
.announce-item .ann-tag { display: inline-block; font-size: 10px; padding: 1px 8px;
    border-radius: 10px; margin-right: 6px; color: #fff; background: var(--pk-400); }
.announce-item .ann-tag.new { background: #ff9800; }