/* ========================================
   TI 慕尼黑上海电子展 2026 - 样式表
   ======================================== */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #0A0A0A;
    background: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ---------- Container ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Header ---------- */
.header {
    background: #fff;
    border-bottom: 1px solid #E5E5E5;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo svg {
    display: block;
}

.header-login {
    font-size: 14px;
    color: #0A0A0A;
    transition: color 0.2s;
}

.header-login:hover {
    color: #CC0000;
}

.header-login span {
    color: #CC0000;
}

/* ---------- Sub Navigation ---------- */
.sub-nav {
    background: #CC0000;
    padding: 22px 0;
    overflow-x: auto;
}

.sub-nav-inner {
    display: flex;
    align-items: center;
    gap: 62px;
    white-space: nowrap;
}

.sub-nav a {
    font-size: 16px;
    color: #fff;
    font-weight: 500;
    transition: opacity 0.2s;
}

.sub-nav a:hover {
    opacity: 0.85;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #1a1a2e;
}

.hero-bg {
    position: absolute;
    inset: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px;
}

.hero-title {
    font-size: 60px;
    font-weight: 800;
    color: #fff;
    line-height: 1.4;
    margin-bottom: 16px;
}

.hero-title em {
    font-style: normal;
    color: #FF4444;
}

.hero-subtitle {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 24px;
}

.hero-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.hero-info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-info-item svg {
    flex-shrink: 0;
}

.btn-primary {
    display: inline-block;
    padding: 12px 32px;
    background: #CC0000;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: #a30000;
}

/* ---------- Introduction ---------- */
.intro {
    padding: 80px 0;
    text-align: center;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: #0A0A0A;
    margin-bottom: 16px;
}

.section-title-dark {
    font-size: 32px;
    font-weight: 700;
    color: #0A0A0A;
    text-align: center;
    margin-bottom: 16px;
}

.title-divider {
    width: 48px;
    height: 3px;
    background: #CC0000;
    margin: 0 auto 38px;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 20px;
    color: #666;
    margin-bottom: 24px;
    text-align: center;
    font-weight: 500;
}

.section-subtitle-color{
    color: #CC0000;
    font-weight: 600;
}


.intro-text {
    max-width: 900px;
    margin: 0 auto;
    font-size: 18px;
    color: #444;
    line-height: 1.8;
    text-align: center;
}

/* ---------- Activities ---------- */
.activities {
    padding: 60px 0;
    background: #F7F7F7;
}

.phase-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 0;
}

.phase-card {
    background: #fff;
    border-radius: 12px;
    padding: 32px 24px;
    border: 1px solid #E5E5E5;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: box-shadow 0.3s, background 0.3s, color 0.3s;
}

.phase-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* 状态一：已结束 */
.phase-card--ended {
    opacity: 0.7;
}

.phase-card--ended .phase-icon {
    background: #F3F4F6;
}

.phase-card--ended .phase-label {
    color: #888;
}

.phase-card--ended .phase-time {
    color: #555;
}

.phase-card--ended .phase-desc {
    color: #555;
}

.phase-card--ended .btn-disabled {
    display: inline-block;
    padding: 10px 24px;
    background: #E5E7EB;
    color: #9CA3AF;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: not-allowed;
}

/* 状态二：进行中 */
.phase-card--active {
    background: linear-gradient(135deg, #CC0000, #e63946);
    color: #fff;
    border: none;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.phase-card--active:hover {
    box-shadow: 0 8px 30px rgba(204, 0, 0, 0.3);
    transform: translateY(-4px);
}

.phase-card--active .phase-icon {
    background: rgba(255, 255, 255, 0.2);
}

.phase-card--active .phase-icon svg path,
.phase-card--active .phase-icon svg rect,
.phase-card--active .phase-icon svg circle {
    stroke: #fff;
}

.phase-card--active .phase-label {
    color: rgba(255, 255, 255, 0.8);
}

.phase-card--active .phase-time {
    color: #fff;
}

.phase-card--active .phase-desc {
    color: rgba(255, 255, 255, 0.9);
}

.phase-card--active .btn-light {
    display: inline-block;
    padding: 10px 24px;
    background: #fff;
    color: #CC0000;
    font-size: 14px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.phase-card--active .btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 状态三：未开启 */
.phase-card--upcoming {
    opacity: 0.7;
}

.phase-card--upcoming .phase-icon {
    background: #F3F4F6;
}

.phase-card--upcoming .phase-label {
    color: #888;
}

.phase-card--upcoming .phase-time {
    color: #555;
}

.phase-card--upcoming .phase-desc {
    color: #555;
}

.phase-card--upcoming .btn-disabled {
    display: inline-block;
    padding: 10px 24px;
    background: #E5E7EB;
    color: #9CA3AF;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: not-allowed;
}

.phase-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: #F3F4F6;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.phase-icon--active {
    background: rgba(255, 255, 255, 0.2);
}

.phase-label {
    font-size: 13px;
    color: #888;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.phase-label--light {
    color: rgba(255, 255, 255, 0.8);
}

.phase-time {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.phase-time--light {
    color: #fff;
}

.phase-tag {
    /* font_2:718 - Inter 12px SemiBold */
    font-size: 12px;
    font-weight: 600;
    line-height: 14px;
    padding: 5px 10px;
    border-radius: 6px;
}

.phase-tag--ended {
    /* paint_2:05762 - 灰色背景 #666666 */
    /* paint_14:0932 - 浅灰文字 #F7F7F7 */
    background: #666666;
    color: #F7F7F7;
}

.phase-tag--active {
    /* paint_4:8371 - 半透明白色背景 rgba(255, 255, 255, 0.2) */
    /* paint_2:4311 - 白色边框 #FFFFFF */
    /* paint_14:0932 - 白色文字 #FFFFFF */
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid #FFFFFF;
    color: #FFFFFF;
}

.phase-tag--upcoming {
    /* paint_2:057 - 红色背景 #CC0000 */
    /* paint_14:0932 - 白色文字 #FFFFFF */
    background: #CC0000;
    color: #FFFFFF;
}

.phase-desc {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.phase-desc--light {
    color: rgba(255, 255, 255, 0.9);
}

.btn-disabled {
    display: inline-block;
    padding: 10px 24px;
    background: #E5E7EB;
    color: #9CA3AF;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: not-allowed;
}

.btn-light {
    display: inline-block;
    padding: 10px 24px;
    background: #fff;
    color: #CC0000;
    font-size: 14px;
    font-weight: 600;
    border-radius: 6px;
    transition: background 0.2s;
}

.btn-light:hover {
    background: #f5f5f5;
}

/* ---------- Participation Steps ---------- */
.participate-box {
    /* paint_2:0384 - 背景 #F9FAFB */
    /* paint_2:047 - 边框 #E5E5E5 */
    background: #F9FAFB;
    border-radius: 16px;
    padding: 40px 32px;
    border: 1px solid #E5E5E5;
}

.participate-title {
    /* font_2:1943 - Inter 30px Black (900) */
    /* paint_2:057 - 红色 #CC0000 */
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 30px;
    font-weight: 900;
    line-height: 36px;
    color: #CC0000;
    text-align: center;
    margin-bottom: 40px;
}

.steps-vertical {
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.participate-layout {
    display: grid;
    grid-template-columns: 370px 1px 477px;
    gap: 58px;
    align-items: start;
    justify-content: center;
}

.participate-left {
    display: flex;
    flex-direction: column;
    gap: 56px;
}

.participate-divider {
    /* paint_4:985 - 分隔线颜色 #D8D8D8 */
    width: 1px;
    height: 252px;
    background: #D8D8D8;
    margin-top: 29px;
}

.participate-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding-top: 60px;
}

.step-v {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.step-v-number {
    /* 40x40px 圆形徽章 */
    width: 40px;
    height: 40px;
    border-radius: 9999px;
    background: #CC0000; /* paint_2:057 */
    color: #FFFFFF; /* paint_2:9 */
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 14px;
    font-weight: 700; /* font_2:1991 - Bold */
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-v-content {
    flex: 1;
    padding-top: 3px;
}

.step-v-title-link {
    /* font_4:02618 - Inter 16px SemiBold + underline */
    /* paint_4:7793 - 青色 #007C8C */
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 16px;
    font-weight: 600;
    line-height: 17px;
    color: #007C8C;
    text-decoration: underline;
    cursor: pointer;
    transition: color 0.2s;
}

.step-v-title-link:hover {
    color: #005a66;
}

.step-v-title {
    /* font_2:440 - Inter 16px SemiBold */
    /* paint_2:620 - 深色 #1D1D1F */
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 16px;
    font-weight: 600;
    line-height: 17px;
    color: #1D1D1F;
    margin-bottom: 8px;
}

.step-v-subtitle {
    /* font_2:0877 - Inter 14px Regular */
    /* paint_2:0498 - 灰色 #6B7280 */
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 20px;
    color: #6B7280;
    margin-bottom: 16px;
}

.step-v-actions {
    margin-bottom: 16px;
}

.btn-submit-shot {
    /* effect_2:2413 - 阴影效果 */
    /* paint_2:057 - 红色背景 #CC0000 */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: auto;
    height: 52px;
    padding: 16px 50px;
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 18px;
    font-weight: 600; /* font_14:0869 - SemiBold */
    line-height: 20px;
    color: #FFFFFF;
    background: #CC0000;
    border: none;
    border-radius: 8px;
    box-shadow: 0px 10px 15px -3px rgba(204, 0, 0, 0.2),
                0px 4px 6px -4px rgba(204, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-submit-shot:hover {
    box-shadow: 0px 15px 20px -5px rgba(204, 0, 0, 0.3),
                0px 6px 8px -4px rgba(204, 0, 0, 0.25);
    transform: translateY(-1px);
}

.step-v-reward {
    /* paint_2:2613 - 背景 #FEFCE8 */
    /* paint_2:047 - 边框 #E5E5E5 */
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 17px;
    background: #FEFCE8;
    border: 1px solid #E5E5E5;
    border-radius: 8px;
}

.step-v-reward svg {
    flex-shrink: 0;
}

.step-v-reward span {
    /* font_2:100 - Inter 14px Medium */
    /* paint_2:2641 - 金色 #A16207 */
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    color: #A16207;
}

.btn-go-exhibition {
    /* effect_2:2223 - 阴影效果 */
    /* paint_2:057 - 红色背景 #CC0000 */
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 14px;
    font-weight: 600; /* font_2:587 - SemiBold */
    line-height: 17px;
    color: #FFFFFF;
    background: #CC0000;
    border: none;
    border-radius: 8px;
    box-shadow: 0px 0px 0px 0px rgba(0, 0, 0, 0),
                0px 2px 4px -2px rgba(204, 0, 0, 0.2),
                0px 4px 6px -1px rgba(204, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-go-exhibition:hover {
    box-shadow: 0px 2px 6px -2px rgba(204, 0, 0, 0.3),
                0px 6px 8px -1px rgba(204, 0, 0, 0.25);
    transform: translateY(-1px);
}

.btn-go-exhibition svg {
    flex-shrink: 0;
}

/* ---------- Highlights ---------- */
.highlights {
    padding: 80px 0;
    background: #fff;
}

.highlight-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.highlight-card {
    background: #fff;
    border: 1px solid #E5E5E5;
    border-radius: 12px;
    padding: 32px 24px;
    transition: box-shadow 0.3s, transform 0.3s;
}

.highlight-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.highlight-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(204, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.highlight-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.highlight-badge {
    /* paint_2:043 - 背景 rgba(204, 0, 0, 0.1) */
    /* effect_2:9608 - 无阴影 */
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    background: rgba(204, 0, 0, 0.1);
    border-radius: 9999px;
    margin-bottom: 16px;
}

.badge-dot {
    /* paint_2:057 - 红色 #CC0000 */
    width: 6px;
    height: 6px;
    border-radius: 9999px;
    background: #CC0000;
    flex-shrink: 0;
}

.highlight-badge span:last-child {
    /* font_2:718 - Inter 12px SemiBold */
    /* paint_2:057 - 红色 #CC0000 */
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 12px;
    font-weight: 600;
    line-height: 16px;
    color: #CC0000;
}

.highlight-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.highlight-card p {
    font-size: 14px;
    color: #555;
    line-height: 1.7;
    margin-bottom: 16px;
}

.highlight-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.highlight-tags .tag {
    font-size: 12px;
    padding: 4px 12px;
    background: #F3F4F6;
    border-radius: 20px;
    color: #555;
}

.highlight-link {
    /* font_2:587 - Inter 14px SemiBold */
    /* paint_2:057 - 红色 #CC0000 */
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 14px;
    font-weight: 600;
    line-height: 20px;
    color: #CC0000;
    text-decoration: none;
    transition: opacity 0.2s;
}

.highlight-link:hover {
    opacity: 0.8;
}

.highlight-link svg {
    flex-shrink: 0;
}

/* ---------- Exhibition Zones ---------- */
.zones {
    padding: 80px 0 0;
    background: #fff;
}

.zones-content {
    margin-top: 48px;
}

.zone {
    padding: 80px 0;
}

.zone--dark {
    background: #1e1e1e;
    color: #fff;
}

.zone--light {
    background: #fff;
}

.zone--charcoal {
    background: #1e1e1e;
    color: #fff;
}

.zone-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.zone-tabs {
    display: flex;
    gap: 35px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    position: relative;
    border-bottom: 1px solid #D8D8D8;
    margin-top: 35px;
}

/* Tab 基础样式 */
.zone-tab {
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 16px;
    font-weight: 500;
    line-height: 16px;
    letter-spacing: 0;
    padding: 8px 0;
    border-radius: 0;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s;
    position: relative;
    background: none;
}

/* 浅色背景下的 Tab 文字颜色 */
.zone--light .zone-tab {
    color: #666;
}

/* 选中状态 - 红色文字 + 底部3px红色下划线 */
.zone-tab--active {
    color: #CC0000;
    background: none;
    border-color: transparent;
}

.zone-tab--active::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 100%;
    height: 3px;
    background: #CC0000;
    border-radius: 2px 2px 0 0;
}

.zone-tab:hover {
    color: #CC0000;
    border-color: transparent;
}

.zone-tab--active:hover {
    color: #CC0000;
}

.zone-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 12px;
    color: #fff;
}

.zone-title--dark {
    color: #0A0A0A;
}

.zone-tagline {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 16px;
    font-weight: 500;
}

.zone-tagline-dark {
    font-size: 16px;
    color: #555;
    margin-bottom: 16px;
    font-weight: 500;
}

.zone-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 24px;
    min-height: 80px;
    white-space: pre-wrap;
}

.zone-desc-dark {
    font-size: 14px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 24px;
    min-height: 80px;
    white-space: pre-wrap;
}

.zone-btns {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.btn-red {
    display: inline-block;
    padding: 10px 28px;
    background: #CC0000;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border-radius: 6px;
    transition: background 0.2s;
}

.btn-red:hover {
    background: #a30000;
}

.btn-ghost {
    /* paint_2:047 - 边框 #E5E5E5 */
    /* font_2:587 - Inter 14px SemiBold */
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 14px;
    font-weight: 600;
    line-height: 20px;
    color: #B8B8B8; /* paint_2:267 - 文字颜色 */
    border: 1px solid #E5E5E5; /* paint_2:047 - 边框颜色 */
    border-radius: 8px;
    background: transparent;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-ghost:hover {
    border-color: #CC0000;
    color: #CC0000;
}

.btn-ghost svg {
    flex-shrink: 0;
}

.btn-ghost-dark {
    /* paint_2:047 - 边框 #E5E5E5 */
    /* font_2:587 - Inter 14px SemiBold */
    /* paint_2:0946 - 文字颜色 #333333 */
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    font-family: "Inter", "Noto Sans SC", sans-serif;
    font-size: 14px;
    font-weight: 600;
    line-height: 20px;
    color: #333333; /* paint_2:0946 - 浅色背景下的深色文字 */
    border: 1px solid #E5E5E5; /* paint_2:047 - 边框颜色 */
    border-radius: 8px;
    background: transparent;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-ghost-dark:hover {
    border-color: #CC0000;
    color: #CC0000;
}

.btn-ghost-dark svg {
    flex-shrink: 0;
}

.zone-image {
    border-radius: 12px;
    overflow: hidden;
}

.zone-image img {
    width: 100%;
    height: 310px;
    display: block;
}

/* ---------- Tech Forum ---------- */
.forum {
    padding: 80px 0;
    background: #fff;
}

.forum-subtitle {
    text-align: center;
    font-size: 15px;
    color: #666;
    margin-bottom: 32px;
}

.forum-table-wrap {
    overflow-x: auto;
    margin-bottom: 32px;
    border-radius: 12px;
    border: 1px solid #E5E5E5;
}

.forum-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

.forum-table thead {
    background: #1a1a2e;
    color: #fff;
}

.forum-table th {
    padding: 16px 20px;
    font-size: 14px;
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
}

.forum-table td {
    padding: 16px 20px;
    font-size: 14px;
    color: #333;
    border-bottom: 1px solid #F0F0F0;
    vertical-align: top;
}

.forum-table tbody tr:last-child td {
    border-bottom: none;
}

.row-alt {
    background: #FAFAFA;
}

.forum-name {
    font-weight: 600;
    color: #0A0A0A;
    min-width: 180px;
}

.forum-sub {
    display: block;
    font-size: 12px;
    color: #888;
    margin-top: 4px;
}

.forum-topic {
    min-width: 250px;
}

.btn-center {
    display: block;
    text-align: center;
    max-width: 240px;
    margin: 0 auto;
}

/* ---------- Footer ---------- */
.footer {
    background: #0A0A0A;
    padding: 40px 0;
    text-align: center;
}

.footer-inner {
    display: flex;
    align-items: center;
}

.container-footer{
    text-align: center;
}

.section-title-st{
    font-size: 20px;
    font-weight: 600;
    line-height: 36px;
    text-align: center;
    letter-spacing: normal;
    color: #727272;
    margin-top: -10px;
    margin-bottom: 36px;
}

.p-description-link{
    margin-bottom: 10px;
}

.p-description-link a{
    color: rgba(255, 255, 255, 0.7);
    text-decoration: underline;
}

.p-description-link a:hover{
    color: #00A5BB;
    text-decoration: underline;
}


/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 36px;
    }

    .phase-cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .highlight-cards {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .zone-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .zone-image {
        order: -1;
    }

    .steps {
        flex-direction: column;
        gap: 16px;
    }

    .step-line {
        width: 2px;
        height: 24px;
        margin: 0 0 0 15px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .header-inner {
        height: 56px;
    }

    .logo svg {
        width: 150px;
        height: 28px;
    }

    .sub-nav-inner {
        gap: 16px;
    }

    .sub-nav a {
        font-size: 13px;
    }

    .hero {
        min-height: 360px;
    }

    .hero-content {
        padding: 48px 24px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-info-item {
        font-size: 13px;
    }

    .section-title,
    .section-title-dark {
        font-size: 24px;
    }

    .intro {
        padding: 48px 0;
    }

    .activities {
        padding: 48px 0;
    }

    .highlights {
        padding: 48px 0;
    }

    .zone {
        padding: 40px 0;
    }

    .zone-title {
        font-size: 28px;
    }

    .zone-btns {
        flex-direction: column;
        align-items: flex-start;
    }

    .forum {
        padding: 48px 0;
    }

    .forum-table th,
    .forum-table td {
        padding: 12px 14px;
        font-size: 13px;
    }

    .participate-box {
        padding: 24px 16px;
    }

    .participate-title {
        font-size: 24px;
        margin-bottom: 32px;
    }

    /* 平板端：改为单列布局 */
    .participate-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .participate-divider {
        display: none; /* 隐藏分隔线 */
    }

    .participate-right {
        padding-top: 0; /* 移除顶部内边距 */
    }

    .step-v-number {
        width: 36px;
        height: 36px;
        font-size: 13px;
    }

    .btn-submit-shot {
        padding: 14px 40px;
        font-size: 16px;
    }

    .highlight-card {
        padding: 24px 16px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 24px;
    }

    .container {
        padding: 0 16px;
    }

    .participate-box {
        padding: 32px 20px;
    }

    .participate-title {
        font-size: 20px;
        margin-bottom: 24px;
    }

    .participate-layout {
        gap: 32px;
    }

    .participate-left {
        gap: 32px;
    }

    .participate-right {
        flex-direction: column;
        align-items: stretch;
    }

    .step-v {
        gap: 12px;
    }

    .step-v-number {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }

    .step-v-title,
    .step-v-title-link {
        font-size: 14px;
    }

    .btn-submit-shot {
        padding: 12px 32px;
        font-size: 15px;
        width: 100%;
        justify-content: center;
    }

    .btn-go-exhibition {
        width: 100%;
        justify-content: center;
    }

    .phase-card {
        padding: 24px 16px;
    }

    .highlight-card {
        padding: 24px 16px;
    }

    .zone-title {
        font-size: 24px;
    }

    .zone-tabs {
        gap: 8px;
    }

    .zone-tab {
        font-size: 12px;
        padding: 4px 12px;
    }
}

/* ========================================
   展会现场技术论坛样式
   ======================================== */

.forum-section {
    background: #F7F7F7;
    padding: 66px 0 72px;
}

.forum-title {
    font-family: 'Inter', sans-serif;
    font-size: 36px;
    font-weight: 700;
    line-height: 40px;
    letter-spacing: -0.9px;
    color: #1D1D1F;
    text-align: center;
    margin: 0 0 16px 0;
}

.forum-subtitle {
    font-family: 'Microsoft YaHei', sans-serif;
    font-size: 18px;
    font-weight: 400;
    line-height: 24px;
    color: #3D3D3D;
    text-align: center;
    margin: 0 0 13px 0;
}

.forum-divider {
    width: 64px;
    height: 4px;
    background: #CC0000;
    border-radius: 9999px;
    margin: 0 auto 56px;
}

.forum-table {
    max-width: 1088px;
    margin: 0 auto 48px;
    background: #FFFFFF;
    border: 1px solid #E5E5E5;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0px 4px 6px -4px rgba(208, 208, 208, 0.5),
                0px 10px 15px -3px rgba(208, 208, 208, 0.5);
}

.forum-header {
    display: grid;
    grid-template-columns: 271.5px 181px 181px 452.5px;
    background: #CC0000;
    min-height: 52px;
}

.forum-row {
    display: grid;
    grid-template-columns: 271.5px 181px 181px 452.5px;
    min-height: 72.5px;
    border-top: 1px solid #E8E8E8;
}

.forum-row-alt {
    background: rgba(247, 247, 247, 0.5);
}

.forum-col {
    padding: 18px 24px;
    display: flex;
    align-items: center;
}

.forum-col-name {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    color: #1D1D1F;
}

.forum-header .forum-col {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    line-height: 20px;
    letter-spacing: 0.7px;
    color: #FFFFFF;
}

.forum-col-time,
.forum-col-location {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 20px;
    color: #444444;
}

.forum-col-topic {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 20px;
    color: #333333;
}

.forum-subtopic {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 400;
    line-height: 16px;
    color: #6B7280;
    margin-top: 4px;
}

.forum-action {
    text-align: center;
}

.btn-forum {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 45px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    line-height: 20px;
    letter-spacing: auto;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .forum-table {
        max-width: 100%;
        margin-left: 16px;
        margin-right: 16px;
    }

    .forum-header,
    .forum-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .forum-header {
        display: none;
    }

    .forum-row {
        padding: 16px;
        min-height: auto;
    }

    .forum-col {
        padding: 4px 0;
    }

    .forum-col::before {
        content: attr(data-label);
        font-weight: 600;
        color: #6B7280;
        margin-right: 8px;
    }
}

@media (max-width: 768px) {
    .forum-section {
        padding: 48px 0;
    }

    .forum-title {
        font-size: 28px;
        line-height: 32px;
    }

    .forum-subtitle {
        font-size: 16px;
    }

    .btn-forum {
        width: 100%;
        justify-content: center;
    }
}