/* ========================================
   跨境与出海支付沙龙 - PC版样式
   主色：蓝色系
   ======================================== */

/* ========== CSS 变量 ========== */
:root {
 --c-primary: #1565C0;
 --c-primary-dark: #0D47A1;
 --c-primary-light: #1976D2;
 --c-accent: #42A5F5;
 --c-accent-light: #90CAF9;
 --c-bg-light: #F0F6FF;
 --c-bg-section: #FAFCFF;
 --c-text: #1a1a2e;
 --c-text-light: #5a6a7e;
 --c-text-muted: #8899aa;
 --c-border: #E3EDF7;
 --c-white: #ffffff;
 --c-shadow: rgba(21, 101, 192, 0.08);
 --c-shadow-hover: rgba(21, 101, 192, 0.15);
 --c-gradient: linear-gradient(135deg, #0D47A1 0%, #1565C0 40%, #1976D2 70%, #42A5F5 100%);
 --c-gradient-light: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
 --c-gradient-hero: linear-gradient(160deg, #0A1929 0%, #0D47A1 30%, #1565C0 55%, #1976D2 80%, #42A5F5 100%);
 --radius: 12px;
 --radius-lg: 20px;
 --radius-sm: 8px;
 --max-width: 1200px;
 --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
/* ========== 基础重置 ========== */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
html {
	scroll-behavior: smooth;
	scroll-padding-top: 70px;
}
body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
	font-size: 16px;
	line-height: 1.8;
	color: var(--c-text);
	background: var(--c-white);
	overflow-x: hidden;
}
a {
	text-decoration: none;
	color: inherit;
	transition: var(--transition);
}
ul {
	list-style: none;
}
img {
	max-width: 100%;
	display: block;
}
.container {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 24px;
}
/* ========== 顶部导航 ========== */
.top-nav {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: 65px;
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	border-bottom: 1px solid var(--c-border);
	z-index: 1000;
	transition: var(--transition);
}
.top-nav.scrolled {
	box-shadow: 0 2px 20px var(--c-shadow);
}
.nav-container {
	max-width: var(--max-width);
	margin: 0 auto;
	height: 100%;
	padding: 0 24px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.nav-logo-text {
	font-size: 20px;
	font-weight: 700;
	color: var(--c-primary);
	letter-spacing: 1px;
}
.nav-menu {
	display: flex;
	gap: 32px;
	margin-left: auto;
	margin-right: 24px;
}
.nav-menu a {
	font-size: 18px;
	color: var(--c-text-light);
	font-weight: 500;
	position: relative;
	padding: 4px 0;
}
.nav-menu a::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 0;
	height: 2px;
	background: var(--c-primary);
	transition: var(--transition);
}
.nav-menu a:hover {
	color: var(--c-primary);
}
.nav-menu a:hover::after {
	width: 100%;
}
.nav-cta {
	padding: 8px 24px;
	background: var(--c-primary);
	color: var(--c-white) !important;
	border-radius: 24px;
	font-size: 14px;
	font-weight: 600;
	box-shadow: 0 4px 12px rgba(21, 101, 192, 0.3);
}
.nav-cta:hover {
	background: var(--c-primary-dark);
	box-shadow: 0 6px 20px rgba(21, 101, 192, 0.4);
	transform: translateY(-1px);
}
/* ========== Hero ========== */
.hero {
	position: relative;
	min-height: 80vh;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	overflow: hidden;
	padding:80px 0 30px 0;
}
.hero-bg {
	position: absolute;
	inset: 0;
	background: var(--c-gradient-hero);
	z-index: 0;
}
.hero-bg::before {
	content: '';
	position: absolute;
	inset: 0;
	background: radial-gradient(ellipse 80% 60% at 20% 30%, rgba(66, 165, 245, 0.15) 0%, transparent 60%),  radial-gradient(ellipse 60% 50% at 80% 70%, rgba(25, 118, 210, 0.2) 0%, transparent 60%),  radial-gradient(ellipse 50% 40% at 50% 50%, rgba(13, 71, 161, 0.1) 0%, transparent 70%);
}
.hero-bg::after {
	content: '';
	position: absolute;
	inset: 0;
	background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),  linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
	background-size: 60px 60px;
}
.hero-particles {
	position: absolute;
	inset: 0;
	z-index: 1;
	overflow: hidden;
}
.hero-particles::before, .hero-particles::after {
	content: '';
	position: absolute;
	width: 600px;
	height: 600px;
	border-radius: 50%;
	filter: blur(80px);
	opacity: 0.15;
}
.hero-particles::before {
	top: -200px;
	right: -100px;
	background: var(--c-accent);
	animation: float1 8s ease-in-out infinite;
}
.hero-particles::after {
	bottom: -200px;
	left: -100px;
	background: var(--c-primary-light);
	animation: float2 10s ease-in-out infinite;
}
 @keyframes float1 {
 0%, 100% {
transform: translate(0, 0);
}
 50% {
transform: translate(-30px, 40px);
}
}
 @keyframes float2 {
 0%, 100% {
transform: translate(0, 0);
}
 50% {
transform: translate(40px, -30px);
}
}
.hero-content {
	position: relative;
	z-index: 2;
	text-align: center;
	color: var(--c-white);
	padding: 20px 25px;
	max-width: 1200px;
}
.hero-badge {
	display: inline-block;
	padding: 6px 20px;
	background: rgba(255, 255, 255, 0.12);
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: 30px;
	font-size: 14px;
	color: rgba(255, 255, 255, 0.9);
	margin-bottom: 24px;
	backdrop-filter: blur(10px);
}
.hero-title {
	font-size: 56px;
	font-weight: 800;
	letter-spacing: 2px;
	margin-bottom: 16px;
	background: linear-gradient(180deg, #ffffff 0%, #BBDEFB 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	text-shadow: 0 4px 30px rgba(66, 165, 245, 0.3);
}
.hero-title-line {
	display: inline-block;
}
.hero-subtitle {
	font-size: 28px;
	font-weight: 600;
	color: var(--c-accent-light);
	margin-bottom: 24px;
	letter-spacing: 4px;
}
.hero-desc {
	font-size: 16px;
	color: rgba(255, 255, 255, 0.75);
	line-height: 2;
	margin-bottom: 36px;
}
.hero-actions {
	display: flex;
	gap: 20px;
	justify-content: center;
	margin-bottom: 60px;
}
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 14px 36px;
	border-radius: 30px;
	font-size: 16px;
	font-weight: 600;
	cursor: pointer;
	border: none;
	transition: var(--transition);
	white-space: nowrap;
}
.btn-primary {
	background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-primary-light) 100%);
	color: var(--c-white);
	box-shadow: 0 6px 24px rgba(66, 165, 245, 0.4);
}
.btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 10px 32px rgba(66, 165, 245, 0.5);
}
.btn-secondary {
	background: rgba(255, 255, 255, 0.1);
	color: var(--c-white);
	border: 1px solid rgba(255, 255, 255, 0.3);
	backdrop-filter: blur(10px);
}
.btn-secondary:hover {
	background: rgba(255, 255, 255, 0.2);
	border-color: rgba(255, 255, 255, 0.5);
}
.btn-outline {
	background: transparent;
	color: var(--c-primary);
	border: 2px solid var(--c-primary);
}
.btn-outline:hover {
	background: var(--c-primary);
	color: var(--c-white);
}
.btn-block {
	width: 100%;
	margin-top: 20px;
}
.hero-info-cards {
	display: grid;
	grid-template-columns: repeat(5, 1fr);
	gap: 16px;
	max-width: 1200px;
	margin: 0 auto;
}
.hero-info-card {
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.15);
	border-radius: var(--radius);
	padding: 15px 15px;
	text-align: center;
	backdrop-filter: blur(10px);
	transition: var(--transition);
}
.hero-info-card:hover {
	background: rgba(255, 255, 255, 0.12);
	transform: translateY(-4px);
}
.hero-info-icon {
	font-size: 28px;
	margin-bottom: 8px;
}
.hero-info-label {
	font-size: 16px;
	color: rgba(255, 255, 255, 0.6);
	margin-bottom: 6px;
}
.hero-info-value {
	font-size: 16px;
	font-weight: 600;
	color: var(--c-white);
}
.hero-stats {
	position: relative;
	z-index: 2;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0;
	padding: 28px 40px;
	margin-top: 40px;
	background: rgba(255, 255, 255, 0.06);
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
	width: 100%;
	backdrop-filter: blur(10px);
}
.hero-stat {
	text-align: center;
	padding: 0 40px;
	color: var(--c-white);
}
.hero-stat-num {
	font-size: 42px;
	font-weight: 800;
	background: linear-gradient(180deg, #ffffff 0%, #90CAF9 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}
.hero-stat-num sup {
	font-size: 20px;
	vertical-align: super;
}
.hero-stat-label {
	font-size: 14px;
	color: rgba(255, 255, 255, 0.6);
	margin-top: 4px;
}
.hero-stat-divider {
	width: 1px;
	height: 50px;
	background: rgba(255, 255, 255, 0.15);
}
/* ========== 通用 Section ========== */
.section {
	padding: 30px 0;
}
.section-header {
	text-align: center;
	margin-bottom: 30px;
}
.section-eyebrow {
	font-size: 14px;
	color: var(--c-accent);
	font-weight: 600;
	letter-spacing: 2px;
	text-transform: uppercase;
}
.section-title {
	font-size: 36px;
	font-weight: 700;
	color: var(--c-text);
	margin-bottom: 6px;
}
.section-line {
	width: 150px;
	height: 3px;
	background: var(--c-gradient);
	border-radius: 2px;
	margin: 0 auto;
}
/* ========== 活动背景 ========== */
.about-section {
	background: var(--c-bg-section);
}
.about-content {
	display: grid;
	grid-template-columns: 1fr;
	gap: 40px;
	align-items: start;
}
.about-text p {
	font-size: 16px;
	line-height: 2;
	color: var(--c-text-light);
	margin-bottom: 20px;
}
.about-text p strong {
	color: var(--c-primary);
}
.about-questions {
	margin: 24px 0;
	padding: 24px;
	background: var(--c-bg-light);
	border-radius: var(--radius);
	border-left: 4px solid var(--c-primary);
}
.about-question {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	margin-bottom: 14px;
	font-size: 15px;
	color: var(--c-text-light);
	line-height: 1.8;
}
.about-question:last-child {
	margin-bottom: 0;
}
.about-q-icon {
	flex-shrink: 0;
	color: var(--c-primary);
	font-size: 16px;
}
.about-question strong {
	color: var(--c-primary);
}
.about-sidebar {
	position: sticky;
	top: 84px;
}
.about-sidebar-card {
	background: var(--c-white);
	border-radius: var(--radius-lg);
	padding: 32px;
	box-shadow: 0 4px 24px var(--c-shadow);
	border: 1px solid var(--c-border);
}
.about-sidebar-title {
	font-size: 20px;
	font-weight: 700;
	color: var(--c-primary);
	margin-bottom: 24px;
	padding-bottom: 16px;
	border-bottom: 2px solid var(--c-bg-light);
}
.about-sidebar-list {
	display: flex;
	flex-direction: column;
	gap: 16px;
}
.about-sidebar-item {
	display: flex;
	flex-direction: column;
	gap: 4px;
}
.about-sidebar-label {
	font-size: 13px;
	color: var(--c-text-muted);
}
.about-sidebar-value {
	font-size: 15px;
	font-weight: 600;
	color: var(--c-text);
}
/* ========== 支持机构 ========== */
.supporters-section {
	background: var(--c-white);
}
.supporters-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px;
}
.supporter-card {
	background: var(--c-white);
	border: 2px solid var(--c-border);
	border-radius: var(--radius);
	padding: 28px 20px;
	text-align: center;
	transition: var(--transition);
}
.supporter-card:hover {
	border-color: var(--c-accent);
	box-shadow: 0 8px 24px var(--c-shadow-hover);
	transform: translateY(-4px);
}
.supporter-logo {
	font-size: 24px;
	font-weight: 800;
	color: var(--c-primary);
	margin-bottom: 8px;
}
.supporter-name {
	font-size: 13px;
	color: var(--c-text-muted);
}
/* ========== 亮点 ========== */
.highlights-section {
	background: var(--c-bg-section);
}
.highlights-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}
.highlight-card {
	background: var(--c-white);
	border-radius: var(--radius-lg);
	padding: 36px 28px;
	border: 1px solid var(--c-border);
	transition: var(--transition);
	position: relative;
	overflow: hidden;
}
.highlight-card::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: var(--c-gradient);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.4s ease;
}
.highlight-card:hover {
	box-shadow: 0 12px 40px var(--c-shadow-hover);
	transform: translateY(-6px);
}
.highlight-card:hover::before {
	transform: scaleX(1);
}
.highlight-icon {
	font-size: 40px;
	margin-bottom: 20px;
	display: inline-block;
}
.highlight-title {
	font-size: 20px;
	font-weight: 700;
	color: var(--c-text);
	margin-bottom: 12px;
}
.highlight-desc {
	font-size: 14px;
	line-height: 1.8;
	color: var(--c-text-light);
}
/* ========== 嘉宾介绍 ========== */
.guests-section {
	padding: 80px 0;
}
.guests-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	margin-top: 40px;
}
.guest-card {
	background: #fff;
	border-radius: 16px;
	padding: 36px 28px;
	text-align: center;
	box-shadow: 0 4px 20px rgba(0,0,0,.06);
	transition: transform .3s ease, box-shadow .3s ease;
	display: flex;
	flex-direction: column;
	align-items: center;
}
.guest-card:hover {
	transform: translateY(-4px);
	box-shadow: 0 8px 30px rgba(0,0,0,.1);
}
.guest-photo {
	width: 160px;
	height: 160px;
	border-radius: 50%;
	overflow: hidden;
	margin: 0 auto 20px;
	border: 4px solid #eef0f6;
	box-shadow: 0 2px 12px rgba(0,0,0,.08);
}
.guest-photo img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.guest-name {
	font-size: 20px;
	font-weight: 700;
	color: #1a1a2e;
	margin-bottom: 6px;
}
.guest-title {
	font-size: 14px;
	color: #4a6cf7;
	font-weight: 500;
	margin-bottom: 14px;
}
.guest-bio {
	font-size: 14px;
	color: #666;
	line-height: 1.7;
	text-align: left;
}

@media(max-width:900px) {
.guests-grid {
	grid-template-columns: repeat(2, 1fr);
}
}

@media(max-width:600px) {
.guests-grid {
	grid-template-columns: 1fr;
}
.guest-photo {
	width: 140px;
	height: 140px;
}
}
/* ========== 议程 ========== */
.agenda-section {
	background: var(--c-bg-section);
}
.agenda-timeline {
	margin: 0 auto;
	position: relative;
}
.agenda-timeline::before {
	content: '';
	position: absolute;
	left: 120px;
	top: 0;
	bottom: 0;
	width: 2px;
	background: linear-gradient(180deg, var(--c-accent-light) 0%, var(--c-primary) 50%, var(--c-accent-light) 100%);
}
.agenda-item {
	display: grid;
	grid-template-columns: 120px 24px 1fr;
	gap: 20px;
	align-items: start;
	margin-bottom: 24px;
	position: relative;
}
.agenda-time {
	font-size: 15px;
	font-weight: 700;
	color: var(--c-primary);
	text-align: right;
	padding-top: 4px;
	font-variant-numeric: tabular-nums;
}
.agenda-dot {
	width: 16px;
	height: 16px;
	border-radius: 50%;
	background: var(--c-white);
	border: 3px solid var(--c-accent);
	margin-top: 6px;
	margin-left: 3px;
	position: relative;
	z-index: 1;
}
.agenda-dot-key {
	background: var(--c-primary);
	border-color: var(--c-primary);
	box-shadow: 0 0 0 4px rgba(21, 101, 192, 0.15);
}
.agenda-dot-roundtable {
	background: var(--c-primary-dark);
	border-color: var(--c-primary-dark);
	width: 20px;
	height: 20px;
	box-shadow: 0 0 0 4px rgba(13, 71, 161, 0.15);
}
.agenda-content {
	background: var(--c-bg-section);
	border: 1px solid var(--c-border);
	border-radius: var(--radius);
	padding: 20px 24px;
	transition: var(--transition);
}
.agenda-item-key .agenda-content {
	background: var(--c-white);
	border-color: var(--c-accent-light);
	box-shadow: 0 2px 12px var(--c-shadow);
}
.agenda-item-key .agenda-content:hover {
	box-shadow: 0 6px 24px var(--c-shadow-hover);
	border-color: var(--c-accent);
	transform: translateX(4px);
}
.agenda-item-break .agenda-content {
	background: var(--c-bg-light);
	border-style: dashed;
}
.agenda-item-roundtable .agenda-content {
	background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
	border-color: var(--c-primary-light);
}
.agenda-content-tag {
	display: inline-block;
	padding: 3px 12px;
	background: var(--c-primary);
	color: var(--c-white);
	border-radius: 20px;
	font-size: 12px;
	font-weight: 600;
	margin-bottom: 8px;
}
.agenda-content-tag-blue {
	background: var(--c-primary-dark);
}
.agenda-content-title {
	font-size: 17px;
	font-weight: 700;
	color: var(--c-text);
	margin-bottom: 6px;
}
.agenda-content-speaker {
	font-size: 14px;
	color: var(--c-text-light);
}
.agenda-note {
	text-align: center;
	margin-top: 40px;
	font-size: 14px;
	color: var(--c-text-muted);
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
}
/* ========== 圆桌讨论 ========== */
.roundtable-section {
	background: var(--c-bg-section);
}
.roundtable-wrap {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
	align-items: stretch;
}
.roundtable-theme {
	background: var(--c-gradient);
	border-radius: var(--radius-lg);
	padding: 40px;
	color: var(--c-white);
	display: flex;
	flex-direction: column;
	justify-content: center;
}
.roundtable-theme-label {
	font-size: 14px;
	color: rgba(255, 255, 255, 0.7);
	letter-spacing: 2px;
	text-transform: uppercase;
	margin-bottom: 12px;
}
.roundtable-theme-title {
	font-size: 26px;
	font-weight: 700;
	margin-bottom: 24px;
	line-height: 1.5;
}
.roundtable-theme-desc p {
	font-size: 15px;
	color: rgba(255, 255, 255, 0.85);
	margin-bottom: 8px;
	line-height: 1.8;
}
.roundtable-theme-desc strong {
	color: var(--c-accent-light);
}
.roundtable-questions {
	background: var(--c-white);
	border-radius: var(--radius-lg);
	padding: 36px;
	border: 1px solid var(--c-border);
	box-shadow: 0 4px 24px var(--c-shadow);
}
.roundtable-q-title {
	font-size: 18px;
	font-weight: 700;
	color: var(--c-primary);
	margin-bottom: 24px;
	padding-bottom: 16px;
	border-bottom: 2px solid var(--c-bg-light);
}
.roundtable-q-list {
	display: flex;
	flex-direction: column;
	gap: 20px;
}
.roundtable-q-item {
	display: flex;
	gap: 16px;
	align-items: flex-start;
}
.roundtable-q-num {
	flex-shrink: 0;
	width: 36px;
	height: 36px;
	border-radius: 50%;
	background: var(--c-gradient-light);
	color: var(--c-primary);
	font-size: 14px;
	font-weight: 800;
	display: flex;
	align-items: center;
	justify-content: center;
}
.roundtable-q-text {
	font-size: 15px;
	color: var(--c-text);
	line-height: 1.7;
	padding-top: 6px;
}
/* ========== 报名 ========== */
.register-section {
	background: var(--c-white);
}
.register-intro {
	text-align: center;
	font-size: 16px;
	color: var(--c-text-light);
	line-height: 2;
	margin-bottom: 40px;
	max-width: 1200px;
	margin-left: auto;
	margin-right: auto;
}
.register-intro strong {
	color: var(--c-primary);
}
.register-cards {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
	max-width: 1200px;
	margin: 0 auto;
}
.register-cards-single {
	grid-template-columns: 1fr;
}
.register-card-extra {
	margin-top: 24px;
	padding-top: 24px;
	border-top: 1px dashed var(--c-border);
}
.register-card-extra-title {
	font-size: 16px;
	font-weight: 700;
	color: var(--c-text);
	text-align: center;
	margin-bottom: 16px;
}
.register-card-extra-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	justify-content: center;
}
.register-tag {
	display: inline-block;
	padding: 6px 16px;
	background: var(--c-bg-light);
	border: 1px solid var(--c-accent-light);
	border-radius: 20px;
	font-size: 13px;
	color: var(--c-primary);
	font-weight: 500;
}
.register-card {
	background: var(--c-white);
	border: 2px solid var(--c-border);
	border-radius: var(--radius-lg);
	padding: 36px 28px;
	transition: var(--transition);
	position: relative;
}
.register-card:hover {
	border-color: var(--c-accent);
	box-shadow: 0 12px 40px var(--c-shadow-hover);
	transform: translateY(-4px);
}
.register-card-featured {
	border-color: var(--c-primary);
	box-shadow: 0 4px 24px var(--c-shadow);
}
.register-card-badge {
	position: absolute;
	top: -14px;
	left: 50%;
	transform: translateX(-50%);
	padding: 4px 20px;
	background: var(--c-gradient);
	color: var(--c-white);
	font-size: 13px;
	font-weight: 600;
	border-radius: 20px;
	white-space: nowrap;
}
.register-card-title {
	font-size: 20px;
	font-weight: 700;
	color: var(--c-text);
	text-align: center;
	margin-bottom: 12px;
}
.register-card-price {
	font-size: 36px;
	font-weight: 800;
	color: var(--c-primary);
	text-align: center;
	margin-bottom: 4px;
}
.register-card-price-desc {
	text-align: center;
	font-size: 14px;
	color: var(--c-text-muted);
	margin-bottom: 20px;
}
.register-card-features {
	display: flex;
	flex-direction: column;
	gap: 12px;
}
.register-card-features li {
	font-size: 14px;
	color: var(--c-text-light);
	line-height: 1.6;
	padding-left: 4px;
}
/* ========== 联系我们 ========== */
.contact-section {
	background: var(--c-bg-section);
}
.contact-wrap {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
	margin: 0 auto;
}
.contact-card {
	background: var(--c-white);
	border-radius: var(--radius-lg);
	padding: 40px;
	border: 1px solid var(--c-border);
	box-shadow: 0 4px 24px var(--c-shadow);
	display: flex;
	align-items: center;
	gap: 40px;
}
.contact-card-left {
	flex: 1;
	text-align: center;
}
.contact-card-right {
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
}
.contact-avatar {
	width: 80px;
	height: 80px;
	border-radius: 50%;
	background: var(--c-gradient);
	color: var(--c-white);
	font-size: 26px;
	font-weight: 700;
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0 auto 16px;
}
.contact-name {
	font-size: 22px;
	font-weight: 700;
	color: var(--c-text);
	margin-bottom: 10px;
	text-align: left;
	padding-left: 10px;
}
.contact-role {
	font-size: 14px;
	color: var(--c-text-muted);
	margin-bottom: 28px;
}
.contact-info-list {
	display: flex;
	flex-direction: column;
	gap: 16px;
	margin-bottom: 28px;
	text-align: left;
}
.contact-info-item {
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 14px 20px;
	background: var(--c-bg-light);
	border-radius: var(--radius);
}
.contact-info-icon {
	font-size: 24px;
	flex-shrink: 0;
}
.contact-info-label {
	font-size: 12px;
	color: var(--c-text-muted);
}
.contact-info-value {
	font-size: 16px;
	font-weight: 600;
	color: var(--c-text);
}
.contact-qr-placeholder {
	width: 160px;
	height: 160px;
	background: var(--c-bg-light);
	border: 2px dashed var(--c-accent);
	border-radius: var(--radius);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 6px;
}
.contact-qr-icon {
	font-size: 36px;
}
.contact-qr-text {
	font-size: 14px;
	font-weight: 600;
	color: var(--c-primary);
}
.contact-qr-sub {
	font-size: 12px;
	color: var(--c-text-muted);
}
.contact-map {
	display: flex;
	align-items: center;
}
.contact-map-card {
	background: var(--c-gradient);
	border-radius: var(--radius-lg);
	padding: 40px;
	width: 100%;
	text-align: center;
	color: var(--c-white);
}
.contact-map-icon {
	font-size: 48px;
	margin-bottom: 16px;
}
.contact-map-title {
	font-size: 22px;
	font-weight: 700;
	margin-bottom: 8px;
}
.contact-map-desc {
	font-size: 18px;
	margin-bottom: 8px;
}
.contact-map-note {
	font-size: 14px;
	color: rgba(255, 255, 255, 0.7);
	margin-bottom: 20px;
}
.contact-map-tags {
	display: flex;
	gap: 8px;
	justify-content: center;
	flex-wrap: wrap;
}
.contact-map-tag {
	padding: 4px 14px;
	background: rgba(255, 255, 255, 0.15);
	border: 1px solid rgba(255, 255, 255, 0.2);
	border-radius: 20px;
	font-size: 13px;
}
/* ========== 主办方 ========== */
.organizer-section {
	background: var(--c-white);
}
.organizer-card {
	background: var(--c-bg-section);
	border-radius: var(--radius-lg);
	padding: 40px;
	border: 1px solid var(--c-border);
}
.organizer-header {
	display: flex;
	align-items: center;
	gap: 20px;
	margin-bottom: 28px;
	padding-bottom: 24px;
	border-bottom: 2px solid var(--c-border);
}
.organizer-icon {
	width: 64px;
	height: 64px;
	border-radius: var(--radius);
	background: var(--c-gradient);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 32px;
	flex-shrink: 0;
}
.organizer-name {
	font-size: 24px;
	font-weight: 700;
	color: var(--c-text);
	margin-bottom: 4px;
}
.organizer-tagline {
	font-size: 14px;
	color: var(--c-text-muted);
}
.organizer-body p {
	font-size: 15px;
	line-height: 2;
	color: var(--c-text-light);
	margin-bottom: 24px;
}
.organizer-features {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 20px;
	margin-bottom: 28px;
}
.organizer-feature {
	background: var(--c-white);
	border-radius: var(--radius);
	padding: 20px;
	border-left: 4px solid var(--c-primary);
}
.organizer-feature-label {
	font-size: 14px;
	font-weight: 700;
	color: var(--c-primary);
	margin-bottom: 8px;
}
.organizer-feature-value {
	font-size: 13px;
	line-height: 1.7;
	color: var(--c-text-light);
}
.organizer-matrix {
	background: var(--c-white);
	border-radius: var(--radius);
	padding: 24px;
}
.organizer-matrix-title {
	font-size: 16px;
	font-weight: 700;
	color: var(--c-text);
	margin-bottom: 16px;
}
.organizer-matrix-list {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}
.organizer-matrix-tag {
	padding: 8px 18px;
	background: var(--c-bg-light);
	border: 1px solid var(--c-accent-light);
	border-radius: 20px;
	font-size: 14px;
	font-weight: 600;
	color: var(--c-primary);
	transition: var(--transition);
}
.organizer-matrix-tag:hover {
	background: var(--c-primary);
	color: var(--c-white);
	border-color: var(--c-primary);
}
/* ========== Footer ========== */
.footer {
	background: #0A1929;
	color: rgba(255, 255, 255, 0.7);
	padding: 60px 0 30px;
}
.footer-content {
	display: grid;
	grid-template-columns: 1fr 2fr;
	gap: 60px;
	margin-bottom: 40px;
}
.footer-brand {
	max-width: 300px;
}
.footer-logo {
	font-size: 24px;
	font-weight: 700;
	color: var(--c-white);
	margin-bottom: 12px;
}
.footer-desc {
	font-size: 14px;
	line-height: 1.8;
	color: rgba(255, 255, 255, 0.5);
}
.footer-links {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 40px;
}
.footer-link-group h4 {
	font-size: 16px;
	font-weight: 600;
	color: var(--c-white);
	margin-bottom: 16px;
}
.footer-link-group a {
	display: block;
	font-size: 14px;
	color: rgba(255, 255, 255, 0.5);
	margin-bottom: 10px;
	transition: var(--transition);
}
.footer-link-group a:hover {
	color: var(--c-accent);
}
.footer-bottom {
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	padding-top: 24px;
}
.footer-copyright {
	text-align: center;
	font-size: 13px;
	color: rgba(255, 255, 255, 0.4);
}
/* ========== 滚动动画 ========== */
.fade-in {
	opacity: 0;
	transform: translateY(30px);
	transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
	opacity: 1;
	transform: translateY(0);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
.hero-title {
	font-size: 44px;
}
.hero-subtitle {
	font-size: 22px;
}
.hero-info-cards {
	grid-template-columns: repeat(2, 1fr);
}
.about-content {
	grid-template-columns: 1fr;
}
.about-sidebar {
	position: static;
}
.supporters-grid {
	grid-template-columns: repeat(2, 1fr);
}
.highlights-grid {
	grid-template-columns: repeat(2, 1fr);
}
.roundtable-wrap {
	grid-template-columns: 1fr;
}
.register-cards {
	grid-template-columns: 1fr;
	max-width: 500px;
}
.contact-wrap {
	grid-template-columns: 1fr;
}
.contact-card {
	flex-direction: column;
	gap: 24px;
}
.organizer-features {
	grid-template-columns: 1fr;
}
.footer-content {
	grid-template-columns: 1fr;
	gap: 30px;
}
}