/* ============================================
   荣盛科技官网 · 演示模式样式
   用于半年总结会录屏展示
   ============================================ */

body.demo-mode {
    cursor: none;
}

html.demo-mode {
    scroll-behavior: auto !important;
}

html.demo-mode,
body.demo-mode {
    overflow-y: auto !important;
    height: auto !important;
}

body.demo-mode .float-tools,
body.demo-mode .float-tools-toggle,
body.demo-mode .back-to-top,
body.demo-mode .video-sound-hint {
    opacity: 0 !important;
    pointer-events: none !important;
    transition: opacity 0.4s ease;
}

body.demo-mode .header {
    pointer-events: none;
}

body.demo-record .demo-badge,
body.demo-record .demo-scene-dots {
    display: none;
}

/* ---- 演示层容器 ---- */
.demo-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    pointer-events: none;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.demo-start-screen,
.demo-exit-btn {
    pointer-events: auto;
}

.demo-overlay.is-idle {
    pointer-events: none;
}

.demo-overlay.is-idle .demo-start-screen {
    pointer-events: auto;
}

/* ---- 开场倒计时 ---- */
.demo-start-screen {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 38, 77, 0.97), rgba(0, 61, 122, 0.95));
    color: #fff;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.demo-start-screen.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.demo-start-logo {
    width: 88px;
    height: 88px;
    object-fit: contain;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.3));
    animation: demo-logo-in 0.8s ease-out;
}

.demo-start-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 4px;
    margin: 0 0 8px;
    animation: demo-fade-up 0.8s ease-out 0.15s both;
}

.demo-start-subtitle {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 6px;
    margin: 0 0 48px;
    animation: demo-fade-up 0.8s ease-out 0.3s both;
}

.demo-countdown {
    font-size: 72px;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, #fff, #7ec8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: demo-pulse 1s ease-in-out infinite;
}

.demo-countdown.is-go {
    font-size: 36px;
    letter-spacing: 8px;
    animation: demo-fade-up 0.5s ease-out;
}

.demo-start-hint {
    margin-top: 32px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    animation: demo-fade-up 0.8s ease-out 0.5s both;
}

/* ---- 顶部进度条 ---- */
.demo-progress-wrap {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 100002;
    background: rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.demo-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #2b7de9, #f59e0b, #2b7de9);
    background-size: 200% 100%;
    animation: demo-progress-shine 2s linear infinite;
    transition: width 0.3s linear;
    border-radius: 0 2px 2px 0;
}

/* ---- 场景指示点 ---- */
.demo-scene-dots {
    position: fixed;
    top: 16px;
    right: 20px;
    z-index: 100002;
    display: flex;
    gap: 6px;
    pointer-events: none;
}

.demo-scene-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    transition: all 0.3s ease;
}

.demo-scene-dot.is-active {
    width: 20px;
    border-radius: 3px;
    background: linear-gradient(90deg, #2b7de9, #f59e0b);
}

.demo-scene-dot.is-done {
    background: rgba(43, 125, 233, 0.5);
}

/* ---- 角落标识 ---- */
.demo-badge {
    position: fixed;
    top: 14px;
    left: 20px;
    z-index: 100002;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(0, 30, 60, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.75);
    pointer-events: none;
}

.demo-badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ef4444;
    animation: demo-rec-blink 1.2s ease-in-out infinite;
}

/* ---- 结尾全屏画面 ---- */
.demo-finale {
    position: fixed;
    inset: 0;
    z-index: 100003;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #00264d, #003d7a);
    color: #fff;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    pointer-events: none;
}

.demo-finale.is-visible {
    opacity: 1;
    visibility: visible;
}

.demo-finale-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 28px;
    filter: drop-shadow(0 6px 24px rgba(0, 0, 0, 0.3));
    animation: demo-logo-in 0.8s ease-out;
}

.demo-finale-company {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: 3px;
    margin: 0 0 16px;
    animation: demo-fade-up 0.8s ease-out 0.2s both;
}

.demo-finale-motto {
    font-size: 24px;
    font-weight: 600;
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 12px;
    letter-spacing: 4px;
    animation: demo-fade-up 0.8s ease-out 0.4s both;
}

.demo-finale-tagline {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    margin: 0 0 32px;
    animation: demo-fade-up 0.8s ease-out 0.55s both;
}

.demo-finale-url {
    font-size: 18px;
    color: #7ec8ff;
    letter-spacing: 2px;
    animation: demo-fade-up 0.8s ease-out 0.7s both;
}

/* ---- 退出按钮（录屏时可忽略） ---- */
.demo-exit-btn {
    position: fixed;
    bottom: 16px;
    right: 16px;
    z-index: 100004;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

body.demo-mode .demo-exit-btn {
    opacity: 1;
    pointer-events: auto;
    cursor: pointer;
}

.demo-exit-btn:hover {
    color: #fff;
    background: rgba(0, 0, 0, 0.65);
}

/* ---- 动画关键帧 ---- */
@keyframes demo-fade-up {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes demo-logo-in {
    from { opacity: 0; transform: scale(0.8); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes demo-pulse {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.08); }
}

@keyframes demo-rec-blink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.3; }
}

@keyframes demo-progress-shine {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 录屏时隐藏退出按钮：加 ?demo=1&clean 参数 */
body.demo-clean .demo-exit-btn {
    display: none;
}