/* =========================================================================
 * MeiGLink 首页 · 科技蓝风（白色 + 科技蓝 + 青色渐变）
 * ========================================================================= */

:root {
    --meig-blue: #0865d8;
    --meig-blue-bright: #0b7cff;
    --meig-blue-deep: #071a3b;
    --meig-blue-dark: #0a1530;
    --meig-cyan: #14c8e5;
    --meig-bg: linear-gradient(180deg, #f0f6ff 0%, #ffffff 40%, #f5f9fe 100%);
    --meig-surface: #ffffff;
    --meig-surface-alt: #f4f8fd;
    --meig-border: #dce8f7;
    --meig-border-blue: rgba(8, 101, 216, 0.2);
    --meig-text: #1f2937;
    --meig-muted: #60718f;
    --meig-accent: #0b7cff;
    --meig-radius: 14px;
    --meig-nav-bar: 64px;
    --meig-nav-offset: 3px;
    --meig-nav-total: calc(var(--meig-nav-bar) + var(--meig-nav-offset));
    --meig-nav-h: var(--meig-nav-total);
    --meig-glow: 0 0 40px rgba(8, 101, 216, 0.12), 0 0 16px rgba(20, 200, 229, 0.08);
    --meig-shell-max: 1280px;
    --meig-shell-pad: 32px;
    --meig-section-gap: 72px;
}

/* ---------- 基础 ---------- */
html:has(body.meig-home),
body.meig-home {
    background: var(--meig-bg) !important;
    color: var(--meig-text) !important;
}

body.meig-home {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    margin: 0;
}

body.meig-home .topmenu,
body.meig-home .bottommenu.footer {
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
}

body.meig-home .topmenu-container,
body.meig-home .footer-container,
body.meig-home .copyright {
    width: 100% !important;
    min-width: 0 !important;
    max-width: var(--meig-shell-max) !important;
    margin-left: auto !important;
    margin-right: auto !important;
    padding-left: var(--meig-shell-pad) !important;
    padding-right: var(--meig-shell-pad) !important;
    box-sizing: border-box;
}

body.meig-home .topmenu-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

body.meig-home .footer-container {
    display: grid !important;
    grid-template-columns: minmax(200px, 1.35fr) repeat(4, minmax(108px, 1fr));
    align-items: start;
    gap: 32px 24px !important;
    padding-top: 0 !important;
    padding-bottom: 28px !important;
}

body.meig-home .menu-container {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 24px;
    flex: 1;
    min-width: 0;
}

/* ---------- 顶栏（暗色透明 → 滚动毛玻璃） ---------- */
body.meig-home .topmenu {
    position: fixed;
    top: var(--meig-nav-offset);
    left: 0;
    right: 0;
    z-index: 200;
    width: 100% !important;
    min-width: 0 !important;
    max-width: none !important;
    height: var(--meig-nav-bar) !important;
    min-height: var(--meig-nav-bar) !important;
    margin: 0 !important;
    background: rgba(255, 255, 255, 0.72) !important;
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border-bottom: 1px solid rgba(220, 232, 247, 0.86);
    box-shadow: 0 8px 32px rgba(10, 67, 145, 0.08) !important;
    transition: background 0.35s ease, backdrop-filter 0.35s ease, box-shadow 0.35s ease;
}

body.meig-home .topmenu.nav-solid,
body.meig-home .topmenu.scrolled {
    background: rgba(255, 255, 255, 0.92) !important;
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    box-shadow: 0 8px 32px rgba(10, 67, 145, 0.12) !important;
}

body.meig-home .logo-container {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

body.meig-home .meig-nav__page-title {
    margin: 0;
    font-size: clamp(14px, 1.3vw, 16px);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: min(220px, 18vw);
}

body.meig-home .main-nav a {
    color: var(--meig-text) !important;
}

body.meig-home .main-nav a.active::after,
body.meig-home .main-nav a:hover::after {
    background: var(--meig-blue) !important;
}

body.meig-home .language-switch a {
    color: var(--meig-muted) !important;
    border-color: var(--meig-border);
    background: rgba(8, 101, 216, 0.05);
}

body.meig-home .main-nav li {
    margin-left: 0 !important;
}

.logo-link.meig-brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

/* 首页导航 logo：白色 logo 加圆角矩形蓝色渐变背景（浅色背景下可读） */
body.meig-home .topmenu .logo-link.meig-brand img {
    background: linear-gradient(135deg, #1A56B8 0%, #3B8BF2 100%);  /* 左上深->右下浅，与 footer MeiGLink 物联网平台同向 */
    border-radius: 9px;
    padding: 6px 10px;
    box-shadow: 0 1px 6px rgba(8, 101, 216, 0.35);
    height: 19px !important;   /* 原 38px，缩小一半 */
    width: auto !important;
}

/* Link 文字：位于蓝色渐变盒子右侧（盒子外） */
body.meig-home .topmenu .logo-link.meig-brand::after {
    content: "Link";
    margin-left: 14px;
    font-family: 'Segoe UI Semibold', 'Segoe UI', Arial, Helvetica, sans-serif;
    font-size: 27px;              /* 字母视觉高度与徽标内 MEIG 19px 一致（Segoe cap≈0.70em） */
    font-weight: 700;
    letter-spacing: 1px;
    color: #444444;
    line-height: 1;
    text-decoration: none;
}

.meig-logo-svg {
    display: block;
    height: 40px;
    width: auto;
}

.meig-logo-svg--meiglink {
    height: 42px;
    width: auto;
}

/* ---------- 背景层 ---------- */
.meig-bg-fx {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    background:
        radial-gradient(ellipse 60% 40% at 30% 10%, rgba(8, 101, 216, 0.06), transparent 30rem),
        radial-gradient(ellipse 50% 50% at 85% 20%, rgba(20, 200, 229, 0.05), transparent 28rem),
        radial-gradient(ellipse 70% 35% at 50% 90%, rgba(8, 101, 216, 0.04), transparent 30rem),
        linear-gradient(180deg, #f0f6ff 0%, #ffffff 45%, #f5f9fe 100%);
}

.meig-aurora .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.22;
}

.meig-aurora .orb:nth-child(1) {
    width: 560px;
    height: 560px;
    top: -12%;
    left: -8%;
    background: radial-gradient(circle, rgba(8, 101, 216, 0.3), transparent);
    animation: meig-aurora 14s ease-in-out infinite;
}

.meig-aurora .orb:nth-child(2) {
    width: 480px;
    height: 480px;
    top: 35%;
    right: -6%;
    background: radial-gradient(circle, rgba(20, 200, 229, 0.2), transparent);
    animation: meig-aurora 17s ease-in-out infinite reverse;
}

.meig-aurora .orb:nth-child(3) {
    width: 420px;
    height: 420px;
    bottom: -8%;
    left: 28%;
    background: radial-gradient(circle, rgba(11, 124, 255, 0.18), transparent);
    animation: meig-aurora 20s ease-in-out infinite 3s;
}

.meig-grid-bg {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image:
        linear-gradient(rgba(8, 101, 216, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20, 200, 229, 0.06) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 75% 65% at 50% 25%, #000 15%, transparent 72%);
    -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 25%, #000 15%, transparent 72%);
}

#meig-particles {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.meig-scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    z-index: 9999;
    width: 0;
    background: linear-gradient(90deg, var(--meig-blue), var(--meig-cyan), var(--meig-blue-bright));
}

/* ---------- Hero ---------- */
.meig-hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    padding: 0;
    gap: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(8, 101, 216, 0.08), transparent 50%),
        radial-gradient(ellipse 50% 40% at 80% 60%, rgba(20, 200, 229, 0.06), transparent 40%),
        radial-gradient(ellipse 40% 30% at 20% 70%, rgba(11, 124, 255, 0.05), transparent 35%);
}

.meig-hero__top {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

/* 轮播左右拉满，不受 max-width 限制 */
.meig-hero .meig-carousel {
    width: 100%;
    max-width: none;
}

.meig-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    border-radius: 999px;
    border: 1px solid rgba(8, 101, 216, 0.25);
    background: rgba(255, 255, 255, 0.72);
    font-size: 12px;
    color: var(--meig-blue);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
    animation: meig-fade-up 0.8s ease both;
}

.meig-hero__badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--meig-cyan);
    box-shadow: 0 0 8px rgba(20, 200, 229, 0.6);
    animation: meig-pulse 2s ease infinite;
}

.meig-hero__title {
    margin: 0 0 16px;
    max-width: min(920px, 100%);
    font-size: clamp(36px, 7vw, 72px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.02em;
    color: var(--meig-blue-deep);
    animation: meig-fade-up 0.8s 0.12s ease both;
}

.meig-hero__title-accent {
    display: block;
    background: linear-gradient(135deg, var(--meig-blue-deep) 0%, var(--meig-blue) 45%, var(--meig-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.meig-hero__typing {
    min-height: 28px;
    max-width: min(720px, 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 16px;
    color: var(--meig-muted);
    animation: meig-fade-up 0.8s 0.24s ease both;
}

.meig-hero__typing #meig-typing-text {
    color: var(--meig-blue);
}

.meig-hero__cursor {
    display: inline-block;
    width: 2px;
    height: 18px;
    background: var(--meig-blue);
    animation: meig-blink 0.8s step-end infinite;
}

.meig-hero__stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px 40px;
    margin-top: 24px;
    animation: meig-fade-up 0.8s 0.36s ease both;
}

.meig-hero__stat {
    text-align: center;
    min-width: 120px;
}

.meig-hero__stat .num {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    background: linear-gradient(180deg, var(--meig-blue-deep) 0%, var(--meig-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.meig-hero__stat:nth-child(even) .num {
    background: linear-gradient(180deg, var(--meig-blue-deep) 0%, var(--meig-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.meig-hero__stat--link { text-decoration: none; cursor: pointer; position: relative; transition: transform 0.3s ease; } .meig-hero__stat--link:hover { transform: translateY(-2px); } .meig-hero__stat--link .num { background: none !important; -webkit-text-fill-color: var(--meig-text) !important; transition: color 0.3s ease; } .meig-hero__stat--link:hover .num { color: var(--meig-blue); -webkit-text-fill-color: var(--meig-blue) !important; } .meig-hero__stat--link .label { transition: color 0.3s ease; } .meig-hero__stat--link:hover .label { color: var(--meig-blue); } .meig-hero__stat .label {
    margin-top: 4px;
    font-size: 11px;
    color: var(--meig-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.meig-hero__scroll {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: inherit;
    animation: meig-fade-up 0.8s 0.48s ease both, meig-bounce 2s 1.5s infinite;
}

.meig-hero__scroll span {
    font-size: 11px;
    color: var(--meig-muted);
    letter-spacing: 0.15em;
}

.meig-hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(transparent, var(--meig-blue), transparent);
}

/* ---------- 场景卡片墙 ---------- */
.meig-scenes {
    position: relative;
    z-index: 1;
    max-width: var(--meig-shell-max);
    margin: 0 auto;
    padding: var(--meig-section-gap) var(--meig-shell-pad) 48px;
    scroll-margin-top: calc(var(--meig-nav-total) + 20px);
}

.meig-scenes::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 200vw;
    height: 100%;
    transform: translateX(-50%);
    background: rgba(240, 246, 255, 0.6);
    z-index: -1;
    pointer-events: none;
}

.meig-scenes__head {
    text-align: center;
    margin-bottom: 48px;
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-meig-reveal].is-visible,
.meig-scenes__head.is-visible,
.meig-cta.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.meig-scenes__head h2 {
    font-size: clamp(28px, 5vw, 44px);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}

.meig-scenes__head h2 .accent {
    color: var(--meig-blue);
}

.meig-scenes__head p {
    color: var(--meig-muted);
    font-size: 15px;
}

.meig-scene-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    perspective: 1200px;
    width: 100%;
}

.meig-scene-card {
    position: relative;
    width: 100%;
    max-width: none;
    background: #ffffff;
    border: 1px solid rgba(220, 232, 247, 0.8);
    border-radius: var(--meig-radius);
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 2px 12px rgba(8, 101, 216, 0.06);
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease, border-color 0.35s, box-shadow 0.35s;
    transform-style: preserve-3d;
}

.meig-scene-card--blue {
    border-color: var(--meig-border-blue);
}

.meig-scene-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.meig-scene-card.is-tilting {
    transition: opacity 0.7s ease, border-color 0.25s, box-shadow 0.25s, transform 0.06s linear !important;
}

.meig-scene-card:hover {
    border-color: rgba(8, 101, 216, 0.35);
    box-shadow: var(--meig-glow);
}

.meig-scene-card--blue:hover {
    border-color: rgba(8, 101, 216, 0.45);
    box-shadow: 0 0 40px rgba(8, 101, 216, 0.15);
}

.meig-scene-card:nth-child(1) { transition-delay: 0.05s; }
.meig-scene-card:nth-child(2) { transition-delay: 0.1s; }
.meig-scene-card:nth-child(3) { transition-delay: 0.15s; }
.meig-scene-card:nth-child(4) { transition-delay: 0.2s; }
.meig-scene-card:nth-child(5) { transition-delay: 0.25s; }
.meig-scene-card:nth-child(6) { transition-delay: 0.3s; }
.meig-scene-card:nth-child(7) { transition-delay: 0.35s; }

.meig-scene-card:nth-child(7):last-child {
    grid-column: 2;
}

.meig-scene-card__image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #0a0a18;
}

.meig-scene-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.55s ease, filter 0.35s;
}

.meig-scene-card:hover .meig-scene-card__image img {
    transform: scale(1.05);
    filter: brightness(1.08) contrast(1.05);
}

.meig-scene-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(7, 26, 59, 0.72));
    pointer-events: none;
}

.meig-scene-card__body {
    padding: 20px 22px 24px;
    text-align: center;
}

.meig-scene-card__node {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 11px;
    color: var(--meig-muted);
    font-family: "SF Mono", "JetBrains Mono", Consolas, monospace;
}

.meig-scene-card__node::before {
    content: "";
    width: 14px;
    height: 1px;
    background: linear-gradient(90deg, var(--meig-blue), transparent);
}

.meig-scene-card--blue .meig-scene-card__node::before {
    background: linear-gradient(90deg, var(--meig-cyan), transparent);
}

.meig-scene-card__body h3 {
    margin: 0 0 8px;
    font-size: 20px;
    font-weight: 700;
}

.meig-scene-card__body p {
    margin: 0;
    font-size: 14px;
    color: var(--meig-muted);
    line-height: 1.65;
}

.meig-scene-card__tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 14px;
}

.meig-scene-card__tag {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(8, 101, 216, 0.08);
    color: var(--meig-blue);
    border: 1px solid rgba(8, 101, 216, 0.15);
}

.meig-scene-card--blue .meig-scene-card__tag {
    background: rgba(20, 200, 229, 0.08);
    color: var(--meig-cyan);
    border-color: rgba(20, 200, 229, 0.2);
}

/* ---------- CTA ---------- */
.meig-cta {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--meig-shell-max);
    margin: 0 auto;
    text-align: center;
    padding: 60px var(--meig-shell-pad) 40px;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.meig-cta.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.meig-cta__box {
    max-width: 720px;
    margin: 0 auto;
    padding: 56px 56px;
    border-radius: 18px;
    background: linear-gradient(135deg, #071a3b, #0a2a5e, #0b4491);
    border: 1px solid rgba(8, 101, 216, 0.3);
    box-shadow: 0 20px 60px rgba(8, 101, 216, 0.15);
    position: relative;
    overflow: hidden;
}

.meig-cta__box h3 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
    color: #ffffff;
}

.meig-cta__box p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 32px;
    font-size: 16px;
}

.meig-cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 999px;
    background: linear-gradient(135deg, #0b7cff, #14c8e5);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.25s, box-shadow 0.25s;
}

.meig-cta__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 36px rgba(11, 124, 255, 0.4);
    color: #fff;
}

/* ---------- Lightbox ---------- */
.meig-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(7, 26, 59, 0.94);
    backdrop-filter: blur(24px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.meig-lightbox.is-active {
    opacity: 1;
    pointer-events: auto;
}

.meig-lightbox img {
    max-width: min(92vw, 1200px);
    max-height: 72vh;
    border-radius: var(--meig-radius);
    box-shadow: 0 0 60px rgba(8, 101, 216, 0.25);
    transform: scale(0.92);
    transition: transform 0.35s ease;
    object-fit: contain;
}

.meig-lightbox.is-active img {
    transform: scale(1);
}

.meig-lightbox__close {
    position: absolute;
    top: 24px;
    right: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    line-height: 1;
}

.meig-lightbox__caption {
    margin-top: 20px;
    font-size: 15px;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s 0.12s;
}

.meig-lightbox.is-active .meig-lightbox__caption {
    opacity: 1;
}

/* ---------- 页脚暗色适配 ---------- */
body.meig-home .bottommenu.footer {
    position: relative;
    z-index: 1;
    background: #071a3b !important;
    border-top: 1px solid rgba(8, 101, 216, 0.15);
    padding: 56px 0 0 !important;
    min-height: 0 !important;
}

body.meig-home .footer-brand {
    grid-column: 1;
    text-align: left;
}

body.meig-home .midder_footer > a {
    pointer-events: none;
    cursor: default;
}

body.meig-home .midder_footer > a::after {
    left: 0;
    transform: none;
}

body.meig-home .footer-brand__logo .meig-logo-svg {
    display: block;
}

body.meig-home .footer-brand__logo .meig-logo-svg--meiglink {
    height: 36px;
}

body.meig-home .footer-brand__tagline {
    margin: 12px 0 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--meig-cyan);
}

body.meig-home .footer-brand__desc {
    margin: 0;
    font-size: 13px;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.55);
}

body.meig-home .midder_footer {
    text-align: left;
}

body.meig-home .footer-contact {
    min-width: 0;
}

body.meig-home .midder_footer > a,
body.meig-home .midder_footer ul li a,
body.meig-home .footer-contact ul li span {
    color: rgba(255, 255, 255, 0.7) !important;
}

body.meig-home .copyright {
    text-align: center;
    color: rgba(255, 255, 255, 0.4) !important;
    margin-top: 0 !important;
    padding-top: 20px !important;
    padding-bottom: 24px !important;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    box-sizing: border-box;
}

body.meig-home .copyright a {
    color: rgba(255, 255, 255, 0.5) !important;
}

/* ---------- 动画 ---------- */
@keyframes meig-fade-up {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes meig-blink {
    50% { opacity: 0; }
}

@keyframes meig-pulse {
    0%, 100% { box-shadow: 0 0 8px var(--meig-cyan); }
    50% { box-shadow: 0 0 4px var(--meig-cyan); }
}

@keyframes meig-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@keyframes meig-aurora {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-4%, 5%) scale(1.06); }
}

@media (max-width: 1100px) {
    body.meig-home .footer-container {
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    }

    body.meig-home .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 992px) {
    body.meig-home {
        --meig-shell-pad: 20px;
        --meig-section-gap: 56px;
    }

    body.meig-home .main-nav {
        gap: 16px !important;
    }

    body.meig-home .main-nav a {
        font-size: 13px !important;
        padding: 6px 2px !important;
    }

    body.meig-home .menu-container {
        gap: 12px;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

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

    .meig-scene-card:nth-child(7):last-child {
        grid-column: 1 / -1;
        width: min(100%, 420px);
        justify-self: center;
    }

    body.meig-home .footer-container {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
}

@media (max-width: 576px) {
    body.meig-home {
        --meig-section-gap: 48px;
    }

    .meig-scene-grid {
        grid-template-columns: 1fr;
    }

    .meig-scene-card:nth-child(7):last-child {
        grid-column: auto;
        width: 100%;
        justify-self: stretch;
    }

    .meig-hero__stats {
        gap: 24px 28px;
    }

    .meig-hero__stat {
        min-width: calc(50% - 20px);
    }

    .meig-cta__box {
        padding: 36px 24px;
    }

    body.meig-home .footer-container {
        grid-template-columns: 1fr !important;
        gap: 28px !important;
    }

    body.meig-home .copyright {
        font-size: 12px;
        line-height: 1.7;
    }

    body.meig-home .copyright a {
        display: inline-block;
        margin-left: 0;
        margin-top: 4px;
    }
}

/* ---- 手机端导航：单行横向滚动（≤600px，避免菜单换行挤破 64px 顶栏） ---- */
@media (max-width: 600px) {
    body.meig-home .topmenu-container {
        gap: 6px;
    }
    body.meig-home .menu-container {
        flex-wrap: nowrap !important;
        justify-content: flex-start !important;
        gap: 8px !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    body.meig-home .menu-container::-webkit-scrollbar { display: none; }
    body.meig-home .main-nav {
        flex-wrap: nowrap !important;
        gap: 8px !important;
        white-space: nowrap;
    }
    body.meig-home .main-nav li { flex-shrink: 0; }
    body.meig-home .main-nav a { font-size: 13px !important; }
    body.meig-home .language-switch { flex-shrink: 0; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .meig-scene-card,
    .meig-scenes__head,
    .meig-cta {
        opacity: 1;
        transform: none;
    }
}
/* =========================================================================
 * 品牌标题（左）+ 场景卡片（右，tab 切换）— 参考 Meigine 设备卡样式
 * ========================================================================= */

/* ---------- 左右网格容器 ---------- */
.hero-panel {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 48px;
    align-items: center;
    width: 100%;
    max-width: var(--meig-shell-max, 1280px);
    margin: 0 auto;
    padding: 0 var(--meig-shell-pad, 32px);
    min-height: 100vh;
    min-height: 100dvh;
    box-sizing: border-box;
}

/* ---------- 左侧：品牌标题 ---------- */
.hero-panel__left {
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding-top: calc(var(--meig-nav-total, 67px) + 20px);
    padding-bottom: 40px;
}

.hero-panel__left .meig-hero__badge {
    margin-bottom: 32px;
}

.hero-panel__left .meig-hero__title {
    text-align: left;
    animation: none;
    opacity: 1;
    transform: none;
    margin-bottom: 20px;
    font-size: clamp(34px, 5vw, 56px);
}

.hero-panel__left .meig-hero__typing {
    justify-content: flex-start;
    animation: none;
    opacity: 1;
    transform: none;
    margin-bottom: 30px;
    min-height: 24px;
}

/* ---------- 描述文字 ---------- */
.hero-panel__desc {
    font-size: 16px;
    line-height: 1.6;
    color: var(--meig-muted, #60718f);
    margin: 0 0 34px;
    max-width: 520px;
}

/* ---------- 标签行 ---------- */
.hero-panel__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 46px;
}

.hero-panel__tag {
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(8, 101, 216, 0.07);
    color: var(--meig-blue, #0865d8);
    border: 1px solid rgba(8, 101, 216, 0.15);
}

/* ---------- 场景 tab 按钮 ---------- */
.scene-tabs {
    display: flex;
    gap: 8px;
    background: rgba(237, 245, 255, 0.7);
    border: 1px solid #dfebf8;
    padding: 5px;
    border-radius: 12px;
    width: 100%;
    max-width: 440px;
    box-sizing: border-box;
}

.scene-tab {
    flex: 1;
    border: 0;
    padding: 11px 10px;
    border-radius: 9px;
    background: transparent;
    color: #67809f;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
    white-space: nowrap;
}

.scene-tab:hover {
    color: var(--meig-blue, #0865d8);
    background: rgba(255, 255, 255, 0.5);
}

.scene-tab.active {
    background: #ffffff;
    color: var(--meig-blue, #0865d8);
    box-shadow: 0 5px 14px rgba(10, 67, 145, 0.1);
}

/* ---------- 右侧：场景卡片 ---------- */
.hero-panel__right {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: calc(var(--meig-nav-total, 67px) + 20px);
    padding-bottom: 40px;
}

/* ---------- 场景详情卡片（参考 Meigine 设备卡） ---------- */
.scene-detail-card {
    position: relative;
    width: 100%;
    max-width: 520px;
    background: linear-gradient(150deg, #081d42, #0b4491 72%, #0d7fe9);
    border-radius: 30px;
    padding: 34px 30px;
    color: #ffffff;
    border: 1px solid rgba(8, 101, 216, 0.20);
    box-shadow: 0 38px 90px rgba(8, 101, 216, 0.18), 0 0 0 1px rgba(20, 200, 229, 0.06);
    overflow: hidden;
    min-height: 420px;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    transition: box-shadow 0.4s ease, border-color 0.4s ease;
}

/* 装饰圆环 */
.scene-detail-card::before {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 50%;
    right: -130px;
    top: -120px;
    box-shadow: 0 0 0 45px rgba(255, 255, 255, 0.030), 0 0 0 90px rgba(255, 255, 255, 0.020);
    pointer-events: none;
}

.scene-detail-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
    margin-bottom: 24px;
}

.scene-detail-card__brand {
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.02em;
    opacity: 0.85;
}

.scene-detail-card__badge {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.06em;
    background: rgba(20, 200, 229, 0.14);
    border: 1px solid rgba(73, 220, 241, 0.30);
    padding: 6px 10px;
    border-radius: 999px;
    color: #8ef1ff;
    white-space: nowrap;
}

/* 场景节点 */
.scene-detail-card__node {
    font-size: 11px;
    color: #b8d7ff;
    letter-spacing: 0.08em;
    font-weight: 700;
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}

/* 场景标题 */
.scene-detail-card__title {
    font-size: clamp(24px, 3vw, 30px);
    font-weight: 850;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

/* 场景描述 */
.scene-detail-card__desc {
    font-size: 13px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 20px;
    max-width: 100%;
    position: relative;
    z-index: 1;
}

/* 标签/指标网格 */
.scene-detail-card__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.scene-detail-card__stat {
    padding: 12px 10px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.10);
    text-align: center;
}

.scene-detail-card__stat-label {
    display: block;
    font-size: 10px;
    color: #afcdf3;
    margin-bottom: 5px;
    letter-spacing: 0.04em;
}

.scene-detail-card__stat-value {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
}

/* 操作按钮 */
.scene-detail-card__action {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #ffffff;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.25s ease;
    position: relative;
    z-index: 1;
    margin-top: auto;
}

.scene-detail-card__action:hover {
    background: rgba(20, 200, 229, 0.20);
    border-color: rgba(20, 200, 229, 0.40);
    color: #ffffff;
}

/* 链路显示 */
.scene-detail-card__route {
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(4, 19, 48, 0.36);
    border: 1px solid rgba(255, 255, 255, 0.07);
    position: relative;
    z-index: 1;
}

.scene-detail-card__route-head {
    font-size: 10px;
    color: #9dbfe9;
    margin-bottom: 10px;
    letter-spacing: 0.06em;
}

.scene-detail-card__route-flow {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    font-weight: 700;
    flex-wrap: wrap;
}

.scene-detail-card__route-node {
    padding: 5px 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    white-space: nowrap;
}

.scene-detail-card__route-arrow {
    color: #60dff2;
    font-size: 12px;
}

.scene-detail-card__progress {
    height: 3px;
    background: rgba(255, 255, 255, 0.10);
    border-radius: 999px;
    margin-top: 12px;
    overflow: hidden;
}

.scene-detail-card__progress-bar {
    height: 100%;
    width: 72%;
    background: linear-gradient(90deg, var(--meig-cyan, #14c8e5), #ffffff);
    border-radius: inherit;
    animation: meig-scan 3s ease-in-out infinite;
}

@keyframes meig-scan {
    0% { transform: translateX(-100%); }
    50%, 100% { transform: translateX(140%); }
}

/* 卡片淡入动画 */
@keyframes scene-fade-in {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .hero-panel {
        grid-template-columns: 1fr;
        gap: 0;
        min-height: auto;
        padding: 0 var(--meig-shell-pad, 20px);
    }

    .hero-panel__left {
        padding-top: calc(var(--meig-nav-total, 67px) + 40px);
        padding-bottom: 20px;
        align-items: center;
        text-align: center;
    }

    .hero-panel__left .meig-hero__typing {
        justify-content: center;
    }

    .hero-panel__desc {
        text-align: center;
        max-width: 100%;
    }

    .hero-panel__tags {
        justify-content: center;
    }

    .scene-tabs {
        margin: 0 auto;
    }

    .hero-panel__right {
        padding-top: 0;
        padding-bottom: 60px;
    }

    .scene-detail-card {
        max-width: 100%;
        min-height: 360px;
    }
}

@media (max-width: 576px) {
    .scene-detail-card {
        padding: 24px 20px;
        border-radius: 22px;
        min-height: 320px;
    }

    .scene-detail-card__stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }

    .scene-detail-card__stat {
        padding: 10px 6px;
    }

    .scene-detail-card__stat-value {
        font-size: 12px;
    }

    .scene-tabs {
        max-width: 100%;
    }

    .scene-tab {
        font-size: 12px;
        padding: 9px 6px;
    }
}/* 场景图片背景 */
.scene-detail-card__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.3s ease-out;
    z-index: 0;
}

.scene-detail-card:hover {
    border-color: rgba(20, 200, 229, 0.35);
    box-shadow: 0 38px 90px rgba(8, 101, 216, 0.25), 0 0 0 1px rgba(20, 200, 229, 0.15);
}

.scene-detail-card:hover .scene-detail-card__bg {
    transform: scale(1.03);
}

.scene-detail-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8, 101, 216, 0.12) 0%, rgba(7, 26, 59, 0.40) 35%, rgba(7, 26, 59, 0.88) 100%);
    z-index: 1;
    pointer-events: none;
}

/* 卡片内容层叠在图片之上 */
.scene-detail-card__content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    flex: 1;
    animation: scene-fade-in 0.4s ease both;
}

/* ===== 场景卡片左右切换按钮（v36） ===== */
.scene-card-wrap {
    position: relative;
    width: 100%;
    max-width: 520px;
}

.scene-card-wrap .scene-nav {
    position: absolute;
    top: 50%;
    margin: 0;
    padding: 0;
    z-index: 6;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(8, 101, 216, 0.25);
    background: rgba(255, 255, 255, 0.95);
    color: #0865d8;
    box-shadow: 0 8px 24px rgba(8, 101, 216, 0.16);
    cursor: pointer;
    transform: translateY(-50%);
    transition: background .25s ease, color .25s ease, box-shadow .25s ease, transform .25s ease, opacity .25s ease;
}
.scene-card-wrap .scene-nav--prev { left: -24px; }
.scene-card-wrap .scene-nav--next { right: -24px; }

.scene-card-wrap .scene-nav:hover:not(:disabled) {
    background: #0865d8;
    color: #ffffff;
    box-shadow: 0 10px 28px rgba(8, 101, 216, 0.35);
    transform: translateY(-50%) scale(1.08);
}
.scene-card-wrap .scene-nav:active:not(:disabled) {
    transform: translateY(-50%) scale(0.96);
}
.scene-card-wrap .scene-nav:disabled {
    opacity: 0.35;
    cursor: default;
}

@media (max-width: 576px) {
    .scene-card-wrap .scene-nav {
        width: 40px;
        height: 40px;
        background: rgba(255, 255, 255, 0.9);
    }
    .scene-card-wrap .scene-nav--prev { left: 10px; }
    .scene-card-wrap .scene-nav--next { right: 10px; }
}