/* ============================
   语聊学院 - 全局样式
   ============================ */

:root {
    /* 主题色 - 女性化柔美色调 */
    --pink-primary: #FF6B9D;
    --pink-light: #FFB6C1;
    --pink-pale: #FFF0F5;
    --pink-deep: #E91E63;
    --purple-primary: #C44FE8;
    --purple-light: #E6CEFF;
    --purple-pale: #F5EDFF;
    --lavender: #B8A9D9;
    --rose-gold: #E0BFB8;
    --coral: #FF8C7A;
    --peach: #FFDAC1;

    /* 中性色 */
    --bg-main: #FFF9FB;
    --bg-card: #FFFFFF;
    --bg-soft: #FFF5F8;
    --text-primary: #3D2C3A;
    --text-secondary: #8B7B85;
    --text-light: #B8A8B2;
    --border: #F0E0E8;
    --shadow: 0 4px 20px rgba(255, 107, 157, 0.08);
    --shadow-lg: 0 8px 30px rgba(255, 107, 157, 0.12);
    --shadow-hover: 0 12px 40px rgba(255, 107, 157, 0.18);

    /* 渐变 */
    --grad-primary: linear-gradient(135deg, #FF6B9D 0%, #C44FE8 100%);
    --grad-soft: linear-gradient(135deg, #FFF0F5 0%, #F5EDFF 100%);
    --grad-warm: linear-gradient(135deg, #FF8C7A 0%, #FF6B9D 100%);
    --grad-cool: linear-gradient(135deg, #B8A9D9 0%, #C44FE8 100%);

    /* 圆角 */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 999px;
    --radius-pill: 999px;

    /* 主题主色 */
    --primary: #FF6B9D;
    --primary-dark: #E84E86;

    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

#app {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    position: relative;
    background: var(--bg-main);
    box-shadow: 0 0 60px rgba(255, 107, 157, 0.06);
}

/* ============================
   页面切换
   ============================ */
.page {
    display: none;
    min-height: 100vh;
}
.page.active {
    display: block;
}

/* ============================
   登录/注册页面
   ============================ */
#page-auth {
    position: relative;
    overflow: hidden;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    background: linear-gradient(180deg, #FFF0F5 0%, #F5EDFF 100%);
    min-height: 100vh;
}
#page-auth.active {
    display: flex;
}

.auth-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.auth-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.35;
    animation: floatBlob 8s ease-in-out infinite;
}
.blob-1 {
    width: 200px; height: 200px;
    background: var(--pink-primary);
    top: 8%; left: -50px;
    animation-delay: 0s;
}
.blob-2 {
    width: 180px; height: 180px;
    background: var(--purple-primary);
    bottom: 15%; right: -40px;
    animation-delay: 2s;
}
.blob-3 {
    width: 150px; height: 150px;
    background: var(--coral);
    top: 45%; left: 50%;
    animation-delay: 4s;
}
@keyframes floatBlob {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -30px) scale(1.05); }
    66% { transform: translate(-15px, 20px) scale(0.95); }
}

.auth-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 380px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: 2.5rem 1.75rem;
    box-shadow: 0 20px 60px rgba(255, 107, 157, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}
.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: 0.75rem;
    filter: drop-shadow(0 4px 12px rgba(255, 107, 157, 0.3));
}
.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}
.auth-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.auth-form {
    display: none;
}
.auth-form.active {
    display: block;
    animation: fadeInUp 0.4s ease;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.input-group {
    margin-bottom: 1.25rem;
}
.input-group label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    font-weight: 500;
    padding-left: 0.25rem;
}
.input-wrap {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.7);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.input-wrap:focus-within {
    border-color: var(--pink-primary);
    box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.1);
    background: #fff;
}
.input-icon {
    margin-left: 0.85rem;
    color: var(--text-light);
    flex-shrink: 0;
}
.input-wrap input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    padding: 0.85rem 0.75rem;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-family: inherit;
}
.input-wrap input::placeholder {
    color: var(--text-light);
}
.toggle-pwd {
    background: none;
    border: none;
    padding: 0 0.75rem;
    cursor: pointer;
    color: var(--text-light);
    display: flex;
}
.toggle-pwd:active {
    transform: scale(0.9);
}

.btn-primary {
    width: 100%;
    padding: 0.95rem;
    border: none;
    border-radius: var(--radius-md);
    background: var(--grad-primary);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.3);
    letter-spacing: 2px;
}
.btn-primary:active {
    transform: scale(0.98);
    box-shadow: 0 3px 12px rgba(255, 107, 157, 0.3);
}

.auth-error {
    color: var(--pink-deep);
    font-size: 0.82rem;
    text-align: center;
    margin-bottom: 0.75rem;
    min-height: 1.2em;
}

.auth-switch {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.auth-switch a {
    color: var(--pink-primary);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.auth-hint {
    margin-top: 1.5rem;
    padding: 0.75rem;
    background: rgba(255, 107, 157, 0.05);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-light);
    line-height: 1.8;
}
.auth-hint span {
    display: block;
}

/* ============================
   主系统 - 顶部导航
   ============================ */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1rem;
    padding-top: calc(0.85rem + env(safe-area-inset-top, 0px));
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.header-user {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}
.user-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--grad-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 600;
    flex-shrink: 0;
    box-shadow: 0 3px 12px rgba(255, 107, 157, 0.25);
}
.header-info {
    display: flex;
    flex-direction: column;
}
.header-greeting {
    font-size: 0.72rem;
    color: var(--text-light);
}
.header-username {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    gap: 0.4rem;
}
.header-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: none;
    background: var(--bg-soft);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.header-btn:active {
    transform: scale(0.9);
    background: var(--pink-pale);
    color: var(--pink-primary);
}

/* ============================
   内容区域
   ============================ */
.app-content {
    padding-bottom: 80px;
    min-height: calc(100vh - 130px);
}

.view {
    display: none;
    animation: viewFadeIn 0.35s ease;
}
.view.active {
    display: block;
}
@keyframes viewFadeIn {
    from { opacity: 0; transform: translateX(10px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ============================
   首页 - 欢迎横幅
   ============================ */
/* ============================
   首页 - 星球打卡墙
   ============================ */
.planet-wall {
    margin: 0.75rem;
    border-radius: var(--radius-lg);
    background: #000;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255,255,255,0.05);
}
.planet-canvas {
    width: 100%;
    height: 320px;
    position: relative;
    overflow: hidden;
}
/* 星空背景：底层细密微弱星点（数量更多、更明显） */
.planet-canvas::before {
    content: '';
    position: absolute;
    inset: -10%;
    background-image:
        radial-gradient(1.5px 1.5px at 5% 14%, rgba(255,255,255,0.55) 0%, transparent 100%),
        radial-gradient(1px 1px at 12% 38%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 18% 68%, rgba(255,255,255,0.45) 0%, transparent 100%),
        radial-gradient(1px 1px at 24% 22%, rgba(255,255,255,0.38) 0%, transparent 100%),
        radial-gradient(1px 1px at 30% 84%, rgba(255,255,255,0.42) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 36% 50%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 42% 12%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 48% 74%, rgba(255,255,255,0.46) 0%, transparent 100%),
        radial-gradient(1px 1px at 54% 30%, rgba(255,255,255,0.38) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 60% 90%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 66% 18%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 72% 56%, rgba(255,255,255,0.48) 0%, transparent 100%),
        radial-gradient(1px 1px at 78% 86%, rgba(255,255,255,0.42) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 84% 28%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 64%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 95% 12%, rgba(255,255,255,0.46) 0%, transparent 100%),
        radial-gradient(1px 1px at 9% 58%, rgba(255,255,255,0.36) 0%, transparent 100%),
        radial-gradient(1px 1px at 27% 48%, rgba(255,255,255,0.34) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 45% 40%, rgba(255,255,255,0.44) 0%, transparent 100%),
        radial-gradient(1px 1px at 63% 70%, rgba(255,255,255,0.38) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 81% 44%, rgba(255,255,255,0.46) 0%, transparent 100%),
        radial-gradient(1px 1px at 15% 92%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 33% 8%, rgba(255,255,255,0.34) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 57% 58%, rgba(255,255,255,0.44) 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 8%, rgba(255,255,255,0.36) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 88% 50%, rgba(255,255,255,0.48) 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}
/* 星空背景：上层若隐若现的闪烁亮星（数量更多、更明显） */
.planet-canvas::after {
    content: '';
    position: absolute;
    inset: -10%;
    background-image:
        radial-gradient(2px 2px at 10% 26%, rgba(255,255,255,1) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 28% 66%, rgba(200,220,255,0.95) 0%, transparent 100%),
        radial-gradient(2px 2px at 46% 18%, rgba(255,255,255,0.98) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 64% 42%, rgba(255,230,200,0.95) 0%, transparent 100%),
        radial-gradient(2px 2px at 82% 58%, rgba(255,255,255,1) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 16% 90%, rgba(200,220,255,0.9) 0%, transparent 100%),
        radial-gradient(2px 2px at 60% 86%, rgba(255,255,255,0.98) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 78% 10%, rgba(255,230,200,0.95) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 4% 48%, rgba(255,255,255,0.92) 0%, transparent 100%),
        radial-gradient(2px 2px at 38% 92%, rgba(200,220,255,0.98) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 54% 34%, rgba(255,255,255,0.95) 0%, transparent 100%),
        radial-gradient(2px 2px at 92% 30%, rgba(255,230,200,1) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 22% 44%, rgba(255,255,255,0.92) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 70% 72%, rgba(200,220,255,0.95) 0%, transparent 100%);
    pointer-events: none;
    z-index: 0;
    animation: starTwinkle 4.5s ease-in-out infinite;
}
@keyframes starTwinkle {
    0%   { opacity: 0.35; }
    50%  { opacity: 1; }
    100% { opacity: 0.35; }
}
/* 3D 星球画布（可拖拽旋转） */
#planet-canvas-el {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 1;
    touch-action: none;
    cursor: grab;
}
.planet-canvas.grabbing #planet-canvas-el { cursor: grabbing; }
/* 点击星点弹出的信息气泡 */
.planet-tooltip {
    position: absolute;
    transform: translate(-50%, -50%);
    background: rgba(20, 22, 34, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    padding: 4px 10px;
    border-radius: 10px;
    font-size: 11px;
    line-height: 1.4;
    pointer-events: none;
    display: none;
    white-space: nowrap;
    z-index: 6;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
}
.planet-tooltip strong { font-weight: 600; }
.planet-tooltip span { color: #FFD700; margin-left: 6px; font-weight: 700; }
/* 加载 / 错误空状态 */
.planet-empty {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
    z-index: 4;
}

/* 聚焦展示滚动条（双指放大后出现） */
.planet-showcase {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 10px;
    z-index: 7;
    overflow: hidden;
    pointer-events: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.45s ease, transform 0.45s ease;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 86%, transparent);
            mask-image: linear-gradient(90deg, transparent, #000 12%, #000 86%, transparent);
}
.planet-showcase.show { opacity: 1; transform: translateY(0); }
.showcase-track {
    display: flex;
    gap: 10px;
    width: max-content;
    padding: 0 10px;
    animation: showcase-scroll linear infinite;
}
@keyframes showcase-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}
.showcase-card {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px 5px 6px;
    background: rgba(20, 22, 34, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    white-space: nowrap;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}
.showcase-card img,
.showcase-card span {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    object-fit: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}
.sc-info { display: flex; flex-direction: column; line-height: 1.15; }
.sc-info b { font-size: 11px; color: #fff; font-weight: 600; }
.sc-info i { font-size: 10px; color: #FFD700; font-style: normal; font-weight: 700; }


/* 单个星球 */
.planet-dot {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 3px;
    z-index: 1;
    cursor: default;
    animation: planetFloat 6s ease-in-out infinite;
    transform-origin: center;
}
.planet-dot .dot-core {
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 8px currentColor;
}
.planet-dot .dot-label {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.85);
    white-space: nowrap;
    text-shadow: 0 1px 3px rgba(0,0,0,0.6);
    font-weight: 400;
    letter-spacing: 0.3px;
    max-width: 70px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.planet-dot .dot-amount {
    font-size: 9px;
    color: rgba(255, 215, 0, 0.9);
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0,0,0,0.7);
    font-weight: 600;
}
/* 星球核心中的头像图片 */
.planet-dot .dot-avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

@keyframes planetFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* 立即打卡悬浮按钮 */
.checkin-fab {
    position: static;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.5rem 1.1rem;
    border: none;
    border-radius: var(--radius-pill);
    background: linear-gradient(135deg, #FF6B9D, #C44FE8);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(255, 107, 157, 0.45);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    flex: none;
}
.checkin-fab:active { transform: scale(0.95); }
.checkin-fab.checked {
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.6);
    box-shadow: none;
    cursor: default;
}

/* 打卡弹窗 */
.checkin-modal-body { padding: 0.25rem 0.5rem 0.5rem; }
.checkin-user-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.1rem;
}
.checkin-avatar-wrap {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--grad-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.checkin-avatar-img { width: 100%; height: 100%; object-fit: cover; }
.checkin-avatar-text { color: #fff; font-weight: 600; font-size: 1rem; }
.checkin-nickname { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); }
.checkin-label { display: block; font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 0.5rem; }
.checkin-input-wrap {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.6rem 0.85rem;
    background: var(--bg-secondary);
    transition: border-color 0.15s ease;
}
.checkin-input-wrap:focus-within { border-color: var(--primary, #FF6B9D); }
.checkin-currency { font-size: 1.1rem; font-weight: 700; color: var(--text-secondary); }
.checkin-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    width: 100%;
}
.checkin-input::placeholder { font-weight: 400; font-size: 0.95rem; color: var(--text-light); }

/* 底部统计 */
.wall-footer {
    padding: 0.75rem 1rem 1rem;
    text-align: center;
    position: relative;
}
.footer-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.footer-glow {
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,107,157,0.3), rgba(196,79,232,0.3), transparent);
}
.footer-text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.5px;
}
.footer-text strong {
    color: #FFD700;
    font-weight: 700;
    font-size: 15px;
}

/* ============================
   首页 - 板块标题
   ============================ */
.section-title {
    padding: 0 1.25rem;
    margin: 1.5rem 0 0.75rem;
}
.section-title h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.section-title h3::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--grad-primary);
    border-radius: 2px;
}

/* ============================
   首页 - 板块卡片
   ============================ */
.module-grid {
    padding: 0 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.module-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem 1.25rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.module-card:active {
    transform: scale(0.97);
}
.module-card::after {
    content: '';
    position: absolute;
    right: -20px;
    bottom: -30px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.module-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}
.module-info {
    flex: 1;
    position: relative;
    z-index: 1;
}
.module-info h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.15rem;
}
.module-info p {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.85);
}
.module-arrow {
    color: rgba(255, 255, 255, 0.7);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.module-1 { background: linear-gradient(135deg, #FF8C7A 0%, #FF6B9D 100%); }
.module-2 { background: linear-gradient(135deg, #FF6B9D 0%, #C44FE8 100%); }
.module-3 { background: linear-gradient(135deg, #B8A9D9 0%, #8B6FC0 100%); }
.module-4 { background: linear-gradient(135deg, #E0BFB8 0%, #D4A5A5 100%); }

/* ============================
   视图头部
   ============================ */
.view-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.25rem 0.5rem;
}
.view-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}
.back-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--bg-soft);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.back-btn:active {
    transform: scale(0.9);
    background: var(--pink-pale);
}

/* ============================
   新人必做 - 清单
   ============================ */
.checklist-container {
    padding: 0.5rem 1rem;
}
.checklist-intro {
    margin: 0.5rem 0.25rem 1rem;
    padding: 1rem 1.25rem;
    background: var(--grad-soft);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}
.checklist-intro strong {
    color: var(--pink-primary);
}
.checklist-progress {
    margin: 0 0.25rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-soft);
    border-radius: var(--radius-full);
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: var(--grad-primary);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}
.progress-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    white-space: nowrap;
}

.checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1rem 1.25rem;
    margin-bottom: 0.65rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}
.checklist-item:active {
    transform: scale(0.98);
}
.checklist-item.completed {
    opacity: 0.65;
}
.checklist-check {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
    margin-top: 1px;
}
.checklist-item.completed .checklist-check {
    background: var(--grad-primary);
    border-color: transparent;
}
.checklist-check svg {
    opacity: 0;
    transition: opacity 0.3s;
    color: #fff;
}
.checklist-item.completed .checklist-check svg {
    opacity: 1;
}
.checklist-body {
    flex: 1;
}
.checklist-body h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}
.checklist-item.completed .checklist-body h4 {
    text-decoration: line-through;
    color: var(--text-secondary);
}
.checklist-body p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.checklist-tag {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.15rem 0.6rem;
    font-size: 0.68rem;
    border-radius: var(--radius-full);
    background: var(--pink-pale);
    color: var(--pink-primary);
    font-weight: 500;
}

/* ============================
   聊天技巧 - 标签页
   ============================ */
.tabs-container {
    padding: 0.5rem 1rem 0;
}
.tabs {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.5rem;
}
.tabs::-webkit-scrollbar {
    display: none;
}
.tab {
    flex-shrink: 0;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    background: var(--bg-soft);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
}
.tab.active {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: 0 3px 12px rgba(255, 107, 157, 0.25);
}

.cards-container {
    padding: 0.5rem 1rem;
}
.skill-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 0.85rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    overflow: hidden;
}
.skill-card:active {
    transform: scale(0.98);
    box-shadow: var(--shadow-hover);
}
.skill-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.skill-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}
.skill-card-title {
    flex: 1;
}
.skill-card-title h4 {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-primary);
}
.skill-card-title span {
    font-size: 0.72rem;
    color: var(--text-light);
}
.skill-card-body {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.skill-card-detail {
    display: none;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--border);
}
.skill-card.expanded .skill-card-detail {
    display: block;
    animation: fadeInUp 0.3s ease;
}
.skill-card.expanded .skill-card-body {
    -webkit-line-clamp: unset;
    overflow: visible;
}
.skill-card-detail h5 {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--pink-primary);
    margin-bottom: 0.4rem;
    margin-top: 0.5rem;
}
.skill-card-detail h5:first-child {
    margin-top: 0;
}
.skill-card-detail p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.4rem;
}
.skill-card-detail .example-box {
    background: var(--bg-soft);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    margin: 0.5rem 0;
    font-size: 0.8rem;
    color: var(--text-primary);
    line-height: 1.7;
    border-left: 3px solid var(--pink-light);
}
.skill-card-detail .example-box .label {
    font-size: 0.72rem;
    color: var(--pink-primary);
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: block;
}
.skill-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.skill-tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    background: var(--purple-pale);
    color: var(--purple-primary);
    font-weight: 500;
}
.expand-btn {
    background: none;
    border: none;
    color: var(--pink-primary);
    font-size: 0.8rem;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 0.2rem;
}
.expand-btn svg {
    transition: transform 0.3s;
}
.skill-card.expanded .expand-btn svg {
    transform: rotate(180deg);
}

/* ============================
   案例分享
   ============================ */
.cases-container {
    padding: 0.5rem 1rem;
}
.case-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}
.case-card:active {
    transform: scale(0.98);
}
.case-card-banner {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    position: relative;
    overflow: hidden;
}
.case-card-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.15) 100%);
}
.case-card-body {
    padding: 1rem 1.25rem 1.25rem;
}
.case-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.case-tag {
    font-size: 0.7rem;
    padding: 0.15rem 0.55rem;
    border-radius: var(--radius-full);
    font-weight: 500;
}
.case-tag.scenario { background: #FFE0EC; color: #E91E63; }
.case-tag.result { background: #E0F0FF; color: #2196F3; }
.case-tag.level { background: #FFF3E0; color: #FF9800; }

.case-card-body h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}
.case-card-body p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}
.case-author {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: var(--text-light);
}
.case-author-avatar {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--grad-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 600;
}
.case-views {
    font-size: 0.72rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

.case-detail-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    display: none;
    align-items: flex-end;
    justify-content: center;
}
.case-detail-overlay.active {
    display: flex;
    animation: fadeIn 0.3s;
}
.case-detail {
    background: var(--bg-main);
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    overflow-y: auto;
    animation: slideUp 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 1.5rem 1.25rem 2rem;
}
@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.case-detail-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-soft);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    cursor: pointer;
    color: var(--text-secondary);
}
.case-detail h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0.75rem 0;
}
.case-detail-section {
    margin-top: 1.25rem;
}
.case-detail-section h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--pink-primary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.case-detail-section h3::before {
    content: '';
    width: 4px;
    height: 14px;
    background: var(--grad-primary);
    border-radius: 2px;
}
.case-detail-section p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.75;
}
.case-dialog {
    background: var(--bg-soft);
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    margin: 0.5rem 0;
    font-size: 0.82rem;
    line-height: 1.7;
}
.case-dialog .speaker {
    font-weight: 600;
    margin-bottom: 0.15rem;
}
.case-dialog .speaker.he { color: #5B8DEF; }
.case-dialog .speaker.she { color: var(--pink-primary); }

/* ============================
   新人必做详情弹窗
   ============================ */
.newcomer-detail-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1000;
    display: none;
    align-items: flex-end;
    justify-content: center;
}
.newcomer-detail-overlay.active {
    display: flex;
}
.newcomer-detail {
    background: #fff;
    border-radius: 20px 20px 0 0;
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 1.5rem 1.25rem 2.5rem;
    position: relative;
    animation: slideUp 0.3s ease;
}
.newcomer-detail-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--bg-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-light);
    z-index: 2;
}
.newcomer-detail-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 0.5rem;
}
.newcomer-detail h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    text-align: center;
}
.newcomer-detail-intro {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    padding: 0.75rem;
    background: var(--bg-soft);
    border-radius: var(--radius-md);
    text-align: center;
}
.newcomer-detail-section {
    margin-bottom: 1.25rem;
}
.newcomer-detail-section h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--pink-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.newcomer-detail-section h3::before {
    content: '';
    width: 4px;
    height: 14px;
    background: var(--grad-primary);
    border-radius: 2px;
}
.newcomer-step {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}
.newcomer-step:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.newcomer-step-num {
    width: 26px;
    height: 26px;
    min-width: 26px;
    border-radius: 50%;
    background: var(--grad-primary);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}
.newcomer-step-content h4 {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}
.newcomer-step-content p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* 邀请码复制行 */
.copy-code-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding: 0.5rem 0.65rem;
    background: #FFF0F5;
    border-radius: var(--radius-sm);
    border: 1px dashed var(--pink-primary);
}
.copy-code-row code {
    flex: 1;
    font-size: 1rem;
    font-weight: 700;
    color: var(--pink-primary);
    letter-spacing: 1px;
    font-family: 'SF Mono', 'Menlo', 'Consolas', monospace;
}
.copy-btn {
    padding: 0.35rem 0.85rem;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--grad-primary);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}
.copy-btn:active {
    transform: scale(0.95);
}
.copy-btn.copied {
    background: #4CAF50;
}

.newcomer-detail-tips p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.4rem;
    padding: 0.5rem 0.65rem;
    background: #FFF8E1;
    border-radius: var(--radius-sm);
}

/* ============================
   新人必做 - 箭头图标
   ============================ */
.checklist-arrow {
    color: var(--text-light);
    display: flex;
    align-items: center;
    margin-left: 0.25rem;
    transition: transform 0.2s;
}
.checklist-item:active .checklist-arrow {
    transform: translateX(3px);
}

/* ============================
   视频教程悬浮按钮
   ============================ */
.video-fab {
    position: absolute;
    bottom: 100px;
    right: 20px;
    z-index: 1010;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1.1rem;
    border: none;
    border-radius: 28px;
    background: var(--grad-primary);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(255, 107, 157, 0.4);
    cursor: pointer;
    animation: fabPulse 2s infinite;
    transition: transform 0.2s;
}
.video-fab:active {
    transform: scale(0.95);
}
@keyframes fabPulse {
    0%, 100% { box-shadow: 0 4px 16px rgba(255, 107, 157, 0.4); }
    50% { box-shadow: 0 4px 24px rgba(255, 107, 157, 0.65); }
}

/* ============================
   视频播放弹窗
   ============================ */
.video-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.video-modal-overlay.active {
    display: flex;
}
.video-modal {
    position: relative;
    width: 100%;
    max-width: 640px;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    animation: modalFadeIn 0.25s ease;
}
@keyframes modalFadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}
.video-modal-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 10;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #fff;
}
.video-player {
    width: 100%;
    display: block;
    border-radius: 12px;
    max-height: 80vh;
}

/* ============================
   加入社群
   ============================ */
.community-container {
    padding: 0.5rem 1rem;
}
.community-hero {
    text-align: center;
    padding: 1.5rem 1rem;
    margin-bottom: 1rem;
    background: var(--grad-soft);
    border-radius: var(--radius-lg);
}
.community-hero-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}
.community-hero h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}
.community-hero p {
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.community-stats {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}
.community-stat {
    text-align: center;
}
.community-stat-num {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.community-stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.community-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 0.85rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.community-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}
.community-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}
.community-card-title h4 {
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-primary);
}
.community-card-title p {
    font-size: 0.76rem;
    color: var(--text-secondary);
}
.community-card-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 0.75rem;
}
.community-card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.85rem;
}
.feature-tag {
    font-size: 0.72rem;
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
    background: var(--bg-soft);
    color: var(--text-secondary);
}
.community-join-btn {
    width: 100%;
    padding: 0.7rem;
    border: none;
    border-radius: var(--radius-md);
    background: var(--grad-primary);
    color: #fff;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}
.community-join-btn:active {
    transform: scale(0.98);
}
.community-join-btn.joined {
    background: var(--bg-soft);
    color: var(--text-secondary);
}

/* ======== 入群弹窗（二维码 + 微信号） ======== */
.join-modal-body {
    text-align: center;
}
.join-tip {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}
.join-qr-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}
.join-qr-img {
    width: 180px;
    height: 180px;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: var(--shadow);
    padding: 8px;
}
.join-empty {
    font-size: 0.8rem;
    color: var(--text-light);
    padding: 1.5rem;
    background: var(--bg-soft);
    border-radius: var(--radius-md);
}
.join-wechat {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-soft);
    border-radius: var(--radius-pill);
    padding: 0.5rem 0.75rem;
}
.join-wechat-label {
    font-size: 0.78rem;
    color: var(--text-light);
}
.join-wechat-id {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.5px;
}
.join-copy-btn {
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: 0.78rem;
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: background 0.2s;
}
.join-copy-btn:hover { background: var(--primary-dark); }
.join-copy-btn.copied { background: #2e9e5b; }

/* ======== 管理员 - 入群联系方式设置 ======== */
.join-settings-card {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
    flex-wrap: wrap;
}
.join-settings-qr {
    width: 110px;
    height: 110px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-soft);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.join-settings-qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.admin-qr-preview {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.join-settings-info { flex: 1; min-width: 200px; }
.join-settings-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.join-settings-row .label {
    font-size: 0.8rem;
    color: var(--text-light);
    min-width: 48px;
}
.join-settings-row .value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    word-break: break-all;
}
.join-settings-tip {
    font-size: 0.75rem;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0;
}
.admin-empty {
    font-size: 0.78rem;
    color: var(--text-light);
}
.js-qr-uploader {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}
.js-modal-qr-preview {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.js-upload-btn {
    display: inline-block;
    background: var(--bg-soft);
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    border: 1px solid var(--border);
}
.js-upload-btn:hover { background: #f0e6ec; }

/* ============================
   管理员面板
   ============================ */
.admin-tabs {
    display: flex;
    gap: 0;
    margin: 0.5rem 1rem;
    background: var(--bg-soft);
    border-radius: var(--radius-md);
    padding: 3px;
}
.admin-tab {
    flex: 1;
    padding: 0.55rem 0;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}
.admin-tab.active {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: 0 3px 10px rgba(255, 107, 157, 0.25);
}
.admin-container {
    padding: 0.5rem 1rem;
}
.admin-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
    margin-bottom: 1rem;
}
.admin-stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 1rem;
    box-shadow: var(--shadow);
    text-align: center;
}
.admin-stat-card .num {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.admin-stat-card .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
}

.admin-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.25rem;
}
.admin-section-title h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}
.admin-section-hint {
    font-size: 0.7rem;
    color: var(--text-light);
}
.admin-add-btn {
    padding: 0.4rem 0.85rem;
    border: none;
    border-radius: var(--radius-full);
    background: var(--grad-primary);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: var(--transition);
}
.admin-add-btn:active {
    transform: scale(0.95);
}

.user-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}
.user-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.user-row-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    flex-shrink: 0;
}
.user-row-info {
    flex: 1;
    min-width: 0;
}
.user-row-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.user-row-name .role-badge {
    font-size: 0.62rem;
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-full);
    font-weight: 500;
}
.user-row-name .role-badge.admin {
    background: var(--purple-pale);
    color: var(--purple-primary);
}
.user-row-name .role-badge.user {
    background: var(--pink-pale);
    color: var(--pink-primary);
}
.user-row-name .role-badge.disabled {
    background: #FFEBEE;
    color: #E53935;
}
.user-row-disabled {
    opacity: 0.6;
}
.user-row-disabled .user-row-avatar {
    filter: grayscale(0.7);
}
.user-row-meta {
    font-size: 0.72rem;
    color: var(--text-light);
    margin-top: 0.1rem;
}
.user-row-actions {
    display: flex;
    gap: 0.35rem;
}
.user-action-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.user-action-btn.reset {
    background: #FFF3E0;
    color: #FF9800;
}
.user-action-btn.delete {
    background: #FFEBEE;
    color: #F44336;
}
.user-action-btn.disable {
    background: #FFF3E0;
    color: #FF9800;
}
.user-action-btn.enable {
    background: #E8F5E9;
    color: #4CAF50;
}
.user-action-btn:active {
    transform: scale(0.9);
}

/* ============================
   新人必做视频管理
   ============================ */
.newcomer-video-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
.video-manage-item {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.1rem 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.video-manage-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.85rem;
}
.video-manage-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}
.video-manage-title {
    flex: 1;
    min-width: 0;
}
.video-manage-title h4 {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.15rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.video-status-badge {
    font-size: 0.65rem;
    padding: 0.15rem 0.55rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    flex-shrink: 0;
}

/* 项目排序编号输入框 */
.ni-sort-input {
    width: 36px;
    height: 28px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    border: 2px solid #E0E0E0;
    border-radius: 8px;
    background: var(--bg-white);
    color: var(--text-primary);
    flex-shrink: 0;
    padding: 0;
    -moz-appearance: textfield;
}
.ni-sort-input::-webkit-inner-spin-button,
.ni-sort-input::-webkit-outer-spin-button {
    opacity: 1;
    height: 20px;
}
.ni-sort-input:focus {
    border-color: var(--primary);
    outline: none;
}

/* 项目删除按钮 */
.ni-delete-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    background: rgba(229,57,53,0.08);
    color: #E53935;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.15s;
}
.ni-delete-btn:hover {
    background: rgba(229,57,53,0.15);
    transform: scale(1.05);
}
.ni-delete-btn:active {
    transform: scale(0.95);
}

/* 新增项目弹窗字段标签 */
.ni-field-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    margin-top: 0.6rem;
}
.ni-field-label:first-child {
    margin-top: 0;
}
.video-status-badge.ready {
    background: #E8F5E9;
    color: #2E7D32;
}
.video-status-badge.empty {
    background: #FFF3E0;
    color: #E65100;
}

.video-manage-body {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}
.video-url-row {
    display: flex;
    gap: 0.4rem;
}
.video-url-input {
    flex: 1;
    padding: 0.55rem 0.75rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    outline: none;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-soft);
    transition: var(--transition);
}
.video-url-input:focus {
    border-color: var(--pink-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.08);
}
.video-url-input::placeholder {
    color: var(--text-light);
    font-size: 0.72rem;
}
.video-url-paste-btn {
    width: 38px;
    height: 38px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-soft);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}
.video-url-paste-btn:active {
    background: var(--pink-pale);
    color: var(--pink-primary);
    border-color: var(--pink-primary);
}

.video-upload-divider {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    color: var(--text-light);
}
.video-upload-divider::before,
.video-upload-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}
.video-upload-divider span {
    flex-shrink: 0;
}

.video-file-upload {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.video-file-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.55rem;
    border: 1.5px dashed var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-soft);
}
.video-file-label:hover {
    border-color: var(--pink-primary);
    color: var(--pink-primary);
    background: var(--pink-pale);
}
.video-file-label svg {
    flex-shrink: 0;
}
.video-file-input {
    display: none;
}
.video-file-hint {
    font-size: 0.65rem;
    color: var(--text-light);
}

.video-save-btn {
    width: 100%;
    padding: 0.6rem;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--grad-primary);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    box-shadow: 0 3px 10px rgba(255, 107, 157, 0.2);
    transition: var(--transition);
}
.video-save-btn:active {
    transform: scale(0.97);
}

.video-preview-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.65rem;
    background: var(--bg-soft);
    border-radius: var(--radius-sm);
    gap: 0.5rem;
}
.video-preview-info {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    color: var(--text-secondary);
    min-width: 0;
    flex: 1;
}
.video-preview-info svg {
    flex-shrink: 0;
    color: var(--pink-primary);
}
.video-preview-info span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.video-preview-actions {
    display: flex;
    gap: 0.35rem;
    flex-shrink: 0;
}
.video-action-btn {
    padding: 0.3rem 0.65rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}
.video-action-btn.preview {
    background: #E3F2FD;
    color: #1565C0;
}
.video-action-btn.delete {
    background: #FFEBEE;
    color: #C62828;
}
.video-action-btn:active {
    transform: scale(0.93);
}

.video-upload-progress {
    padding: 0.5rem 0;
}
.upload-progress-bar {
    height: 6px;
    background: var(--bg-soft);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 0.35rem;
}
.upload-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--grad-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}
.video-upload-progress span {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* ============================
   编辑内容按钮
   ============================ */
.video-edit-content-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.6rem;
    border: 1.5px dashed var(--purple-primary);
    border-radius: var(--radius-full);
    background: var(--purple-pale);
    color: var(--purple-primary);
    font-size: 0.68rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    white-space: nowrap;
    flex-shrink: 0;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
    margin-left: auto;
}
.video-edit-content-btn:active {
    background: var(--purple-primary);
    color: #fff;
    transform: scale(0.95);
}

/* ============================
   内容编辑器覆盖层
   ============================ */
.ce-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}
.ce-modal {
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    background: #fff;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.25s ease;
}
.ce-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, var(--purple-pale), var(--pink-pale));
    flex-shrink: 0;
}
.ce-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--purple-primary);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    margin-right: 0.5rem;
}
.ce-close {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255,255,255,0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
    flex-shrink: 0;
}
.ce-close:active {
    background: rgba(255,255,255,1);
    transform: scale(0.9);
}
.ce-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.ce-field-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.ce-field-group > label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.ce-field-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.ce-field-label-row > label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* 表单元素 */
.ce-input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--text-primary);
    background: var(--bg-card);
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.ce-input:focus {
    border-color: var(--purple-primary);
    box-shadow: 0 0 0 3px var(--purple-pale);
}
.ce-textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--text-primary);
    background: var(--bg-card);
    font-family: inherit;
    outline: none;
    resize: vertical;
    transition: border-color 0.2s;
    box-sizing: border-box;
    line-height: 1.5;
}
.ce-textarea:focus {
    border-color: var(--purple-primary);
    box-shadow: 0 0 0 3px var(--purple-pale);
}

/* 步骤项 */
.ce-step {
    background: var(--bg-soft);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.ce-step-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.ce-step-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--grad-primary);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.ce-step-title {
    flex: 1;
}
.ce-step-del {
    width: 24px;
    height: 24px;
    border: none;
    background: #FFEBEE;
    color: #D32F2F;
    border-radius: 50%;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: var(--transition);
}
.ce-step-del:active {
    transform: scale(0.85);
}

/* 温馨提示行 */
.ce-tip-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-soft);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.6rem;
}
.ce-tip-icon {
    font-size: 0.9rem;
    flex-shrink: 0;
}
.ce-tip-input {
    flex: 1;
}
.ce-tip-del {
    width: 24px;
    height: 24px;
    border: none;
    background: #FFEBEE;
    color: #D32F2F;
    border-radius: 50%;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: var(--transition);
}
.ce-tip-del:active {
    transform: scale(0.85);
}

/* 添加按钮 */
.ce-add-btn {
    padding: 0.3rem 0.7rem;
    border: 1.5px dashed var(--purple-primary);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--purple-primary);
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}
.ce-add-btn:active {
    background: var(--purple-pale);
    transform: scale(0.95);
}

/* 底部操作栏 */
.ce-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--border);
    background: var(--bg-card);
    flex-shrink: 0;
    gap: 0.5rem;
}
.ce-footer-right {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}
.ce-save-btn {
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: var(--radius-full);
    background: var(--grad-primary);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}
.ce-save-btn:active {
    transform: scale(0.95);
    opacity: 0.9;
}
.ce-cancel-btn {
    padding: 0.5rem 1.25rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-full);
    background: #fff;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}
.ce-cancel-btn:active {
    background: var(--bg-soft);
}
.ce-reset-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-full);
    background: #FFF3E0;
    color: #E65100;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}
.ce-reset-btn:active {
    transform: scale(0.95);
}

/* ============================
   步骤媒体区域（编辑器内）
   ============================ */
.ce-step-media {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-top: 0.35rem;
    border-top: 1px dashed var(--border);
}
.ce-media-previews {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.ce-media-preview {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.55rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.72rem;
    transition: var(--transition);
}
.ce-media-preview-icon {
    font-size: 0.85rem;
    flex-shrink: 0;
}
.ce-media-preview-name {
    color: var(--text-secondary);
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ce-media-preview-del {
    width: 18px;
    height: 18px;
    border: none;
    background: #FFEBEE;
    color: #D32F2F;
    border-radius: 50%;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: var(--transition);
    line-height: 1;
}
.ce-media-preview-del:active {
    transform: scale(0.85);
}

.ce-media-add-btns {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}
.ce-media-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.35rem 0.7rem;
    border: 1.5px dashed var(--purple-light);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--purple-primary);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}
.ce-media-add-btn:active {
    background: var(--purple-pale);
    border-color: var(--purple-primary);
    transform: scale(0.95);
}

/* ============================
   步骤媒体展示（详情页）
   ============================ */
.step-media-container {
    margin-top: 0.65rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.step-media-item {
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.step-media-img-wrap {
    cursor: pointer;
    transition: opacity 0.2s;
}
.step-media-img-wrap:active {
    opacity: 0.85;
}
.step-media-img {
    width: 100%;
    max-width: 100%;
    border-radius: var(--radius-sm);
    display: block;
    max-height: 280px;
    object-fit: cover;
}
.step-media-video {
    width: 100%;
    max-width: 100%;
    border-radius: var(--radius-sm);
    display: block;
    max-height: 280px;
    background: #000;
}
.step-media-audio-wrap {
    background: var(--bg-soft);
    border-radius: var(--radius-md);
    padding: 0.4rem 0.65rem;
}
.step-media-audio {
    width: 100%;
    height: 40px;
    display: block;
}

/* ============================
   图片全屏预览
   ============================ */
.image-preview-overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.2s ease;
}
.image-preview-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: background 0.2s;
}
.image-preview-close:hover {
    background: rgba(255,255,255,0.3);
}
.image-preview-img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    cursor: default;
}

/* ============================
   底部导航
   ============================ */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    display: flex;
    justify-content: space-around;
    padding: 0.5rem 0.5rem;
    padding-bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px));
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    z-index: 100;
}
.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    padding: 0.35rem 0.5rem;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}
.nav-item span {
    font-size: 0.65rem;
    font-weight: 500;
}
.nav-item.active {
    color: var(--pink-primary);
}
.nav-item:active {
    transform: scale(0.92);
}

/* ============================
   弹窗
   ============================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 300;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}
.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.25s;
}
.modal-box {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 1.75rem 1.5rem;
    width: 100%;
    max-width: 340px;
    animation: modalIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: 85vh;
    overflow-y: auto;
}
@keyframes modalIn {
    from { opacity: 0; transform: scale(0.85); }
    to { opacity: 1; transform: scale(1); }
}
.modal-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
}
.modal-body {
    margin-bottom: 1.25rem;
}
.modal-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
    margin-bottom: 0.65rem;
    background: var(--bg-soft);
}
.modal-input:focus {
    border-color: var(--pink-primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.08);
}
.modal-actions {
    display: flex;
    gap: 0.65rem;
}
.modal-btn {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}
.modal-btn.cancel {
    background: var(--bg-soft);
    color: var(--text-secondary);
}
.modal-btn.confirm {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(255, 107, 157, 0.25);
}
.modal-btn:active {
    transform: scale(0.97);
}
.modal-btn.danger {
    background: linear-gradient(135deg, #FF5252 0%, #F44336 100%);
    color: #fff;
}

/* 聊天技巧详情编辑 */
.cs-modal-body {
    max-height: 60vh;
    overflow-y: auto;
    padding-right: 4px;
}
.cs-detail-section {
    background: var(--bg-soft);
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
}
.cs-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}
.cs-detail-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}
.cs-detail-row .modal-input {
    margin-bottom: 0;
}
.cs-detail-row .cs-point-title,
.cs-detail-row .cs-example-label {
    flex: 0 0 140px;
    min-width: 100px;
}
.cs-detail-row .cs-point-desc,
.cs-detail-row .cs-example-text {
    flex: 1;
    min-width: 0;
}
.cs-add-btn {
    font-size: 0.8rem;
    padding: 4px 12px;
    border: 1px solid var(--pink-primary);
    border-radius: 20px;
    background: transparent;
    color: var(--pink-primary);
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
}
.cs-add-btn:hover {
    background: var(--pink-primary);
    color: #fff;
}
.cs-remove-btn {
    width: 28px; height: 28px;
    border: none;
    border-radius: 50%;
    background: var(--bg-soft);
    color: #FF5252;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}
.cs-remove-btn:hover {
    background: #FF5252;
    color: #fff;
}
.cs-empty-hint {
    text-align: center;
    color: var(--text-light);
    font-size: 0.82rem;
    padding: 0.5rem;
    margin: 0;
}

/* 聊天技巧示例图片上传 */
.cs-example-full {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 6px;
}
.cs-example-inputs {
    display: flex;
    flex: 1;
    min-width: 0;
    gap: 6px;
}
.cs-example-inputs .modal-input {
    margin-bottom: 0;
}
.cs-example-media {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}
.cs-img-placeholder {
    display: none;
}
.cs-img-preview {
    position: relative;
    width: 48px; height: 48px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border);
    flex-shrink: 0;
}
.cs-img-preview img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.cs-img-remove {
    position: absolute;
    top: 0; right: 0;
    width: 16px; height: 16px;
    border: none;
    background: rgba(255, 82, 82, 0.85);
    color: #fff;
    font-size: 9px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0 6px 0 4px;
    padding: 0;
    line-height: 1;
}
.cs-img-upload-btn {
    width: 28px; height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
    flex-shrink: 0;
}
.cs-img-upload-btn:hover {
    border-color: var(--pink-primary);
    background: rgba(255, 107, 157, 0.06);
}

/* 聊天技巧详情中的示例图片 */
.example-img-wrap {
    margin-top: 0.5rem;
    border-radius: 8px;
    overflow: hidden;
    max-width: 100%;
}
.example-img-wrap img {
    width: 100%;
    display: block;
    border-radius: 8px;
}

/* 案例编辑弹窗 */
.case-modal-body {
    max-height: 62vh;
}
.case-dialog-row {
    flex-wrap: wrap;
}
.case-dialog-row .modal-input {
    min-width: 0;
}

/* ============================
   个人设置弹窗
   ============================ */
.profile-modal-body {
    max-height: 70vh;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.profile-avatar-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.profile-avatar-wrap {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--grad-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(255, 107, 157, 0.3);
    flex-shrink: 0;
}

.profile-avatar-wrap .avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-avatar-text {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 600;
}

.profile-avatar-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.modal-btn.small {
    padding: 0.4rem 0.85rem;
    font-size: 0.78rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    background: var(--bg-soft);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: var(--transition);
}

.modal-btn.small:hover {
    background: var(--pink-pale);
    color: var(--pink-primary);
    border-color: var(--pink-primary);
}

.modal-btn.danger-outline {
    border-color: #FF5252;
    color: #FF5252;
    background: #FFF5F5;
}

.modal-btn.danger-outline:hover {
    background: #FF5252;
    color: #fff;
}

.profile-divider {
    height: 1px;
    background: var(--border);
    margin: 1rem 0;
}

.profile-section-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.profile-password-hint {
    font-size: 0.72rem;
    color: var(--text-light);
    margin-top: 0.5rem;
    text-align: center;
}

/* Header 头像可点击 */
#header-avatar {
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

#header-avatar:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 16px rgba(255, 107, 157, 0.35);
}

#header-avatar:active {
    transform: scale(0.95);
}

/* Header 头像中的图片 */
.user-avatar .avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

/* ============================
   Toast 提示
   ============================ */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: rgba(61, 44, 58, 0.9);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 260px;
    text-align: center;
    line-height: 1.5;
}
.toast.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ============================
   响应式 - 大屏
   ============================ */
@media (min-width: 481px) {
    #app {
        border-left: 1px solid var(--border);
        border-right: 1px solid var(--border);
    }
}

/* ============================
   响应式 - PC 桌面端
   ============================ */
@media (min-width: 769px) {
    /* === 全局容器 === */
    #app {
        max-width: 960px;
    }

    /* === 弹窗扩大 === */
    .modal-box {
        max-width: 640px;
        max-height: 90vh;
        padding: 2rem 2.5rem;
    }
    .modal-title {
        font-size: 1.2rem;
        margin-bottom: 1.2rem;
    }
    .modal-input {
        padding: 0.7rem 0.85rem;
        font-size: 0.88rem;
    }
    .modal-body {
        margin-bottom: 1.5rem;
    }

    /* 聊天技巧编辑弹窗 */
    .cs-modal-body {
        max-height: 70vh;
    }
    .cs-detail-row {
        gap: 10px;
    }
    .cs-detail-row .cs-point-title,
    .cs-detail-row .cs-example-label {
        flex: 0 0 160px;
        min-width: 120px;
    }

    /* 案例编辑弹窗 */
    .case-modal-body {
        max-height: 72vh;
    }

    /* === 管理后台布局 === */
    .admin-tabs {
        max-width: 720px;
        margin: 0.75rem auto;
        gap: 2px;
    }
    .admin-tab {
        padding: 0.6rem 0;
        font-size: 0.85rem;
        max-width: 180px;
    }

    .admin-container {
        padding: 1rem 2rem;
        max-width: 860px;
        margin: 0 auto;
    }

    /* 统计卡片 */
    .admin-stats {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
    .admin-stat-card {
        padding: 1.2rem;
    }
    .admin-stat-card .num {
        font-size: 1.8rem;
    }

    /* 章节标题 */
    .admin-section-title {
        margin-bottom: 1rem;
    }
    .admin-section-title h4 {
        font-size: 1rem;
    }
    .admin-add-btn {
        font-size: 0.82rem;
        padding: 0.5rem 1rem;
    }

    /* 用户列表 */
    .user-list {
        gap: 0.75rem;
    }
    .user-row {
        padding: 1rem 1.2rem;
    }
    .user-row-name {
        font-size: 0.92rem;
    }
    .user-row-meta {
        font-size: 0.75rem;
    }

    /* 项目/技巧/案例/社群管理列表 */
    .newcomer-video-list {
        gap: 1rem;
    }
    .video-manage-item {
        padding: 1.2rem 1.3rem 1.1rem;
    }
    .video-manage-header {
        gap: 0.75rem;
        margin-bottom: 0.75rem;
        flex-wrap: nowrap;
    }
    .video-manage-icon {
        font-size: 1.5rem;
    }
    .video-manage-title h4 {
        font-size: 0.95rem;
    }

    /* 视频URL输入行 */
    .video-url-row {
        gap: 0.75rem;
    }
    .video-url-input {
        font-size: 0.85rem;
    }

    /* 视频文件上传 */
    .video-file-label {
        font-size: 0.85rem;
        padding: 0.75rem;
    }

    /* 视频预览行 */
    .video-preview-row {
        flex-wrap: nowrap;
    }

    /* 登录页面放宽 */
    .auth-container {
        max-width: 440px;
        padding: 2rem 2.5rem;
    }
    .auth-title {
        font-size: 1.9rem;
    }
    .input-group {
        margin-bottom: 1.4rem;
    }

    /* 内容区通用放宽 padding */
    .content-section {
        padding: 0 0.5rem;
    }

    /* 首页 header 区域微调 */
    .header-user {
        gap: 0.85rem;
    }
    .header-username {
        font-size: 1rem;
    }
    .header-actions {
        gap: 0.5rem;
    }
    .header-btn {
        font-size: 0.82rem;
        padding: 0.5rem 0.75rem;
    }

    /* 标签页 */
    .tabs-container {
        gap: 0;
    }
    .tab {
        font-size: 0.85rem;
        padding: 0.6rem 0;
    }

    /* 卡片网格 - 聊天技巧等 */
    .cards-container {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    /* 案例网格 */
    .cases-container {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    /* 社群列表 */
    .community-container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    /* checkbox 清单 */
    .checklist-container {
        padding: 0 0.5rem;
    }

    /* Toast 提示放宽 */
    .toast {
        max-width: 400px;
    }

    /* 星球打卡墙 PC 端 */
    .planet-wall {
        margin: 1rem auto;
        border-radius: var(--radius-xl);
    }
    .planet-canvas {
        height: 420px;
    }
    .planet-dot .dot-label {
        font-size: 12px;
        max-width: 90px;
    }
    .planet-dot .dot-amount {
        font-size: 10px;
    }
}

/* ============================
   滚动条美化
   ============================ */
::-webkit-scrollbar {
    width: 4px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--pink-light);
    border-radius: 2px;
}