:root {
	--primary-color: #1564ff;
	--hover-color: #528eff;
	--white-color: #fff;
	--black-color: #282f3c;
	--text-color: #333;
	--text-dark-color: #999;
	--background-color: #f2f4fc;
	--black-background-color: #0d1631;
	--border-color: #ebebeb;
	--border-primary-color: #415feb;
	--font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
	box-sizing: border-box;
	outline: none;
}

html {
	font-size: 62.5%;
}

body {
	font-family: var(--font-family-base);
	font-size: 1.4rem;
	line-height: 1.5;
	color: var(--text-color);
	background-color: var(--background-color);
	margin: 0;
}

h1, h2, h3, h4, h5, h6 {
	margin: 0;
}

a {
	color: var(--text-color);
	text-decoration: none;
	transition: all 0.3s ease;
}

a:hover {
	text-decoration: none;
}

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

input, button, textarea, select {
	font: inherit;
	color: inherit;
	margin: 0;
	padding: 0;
}

ol, ul, li {
	list-style: none;
	margin: 0;
	padding: 0;
}

p {
	margin: 0;
	padding: 0;
}

.flex {
	display: flex;
}

.items-center {
	align-items: center;
}

.justify-between {
	justify-content: space-between;
}

.container {
	max-width: 128rem;
	margin: 0 auto;
}

.header {
	position: fixed;
	background-color: rgba(255, 255, 255, 0.65);
	backdrop-filter: blur(1rem);
	-webkit-backdrop-filter: blur(1rem);
	z-index: 9999;
	width: 100%;
	padding: 0 3rem;
	box-shadow: 0 0.2rem 1rem var(--border-color);
}

.navbar {
	height: 6.8rem;
}

.nav-menu, .dropdown-menu {
	margin: 0;
	padding: 0;
}

.logo {
	margin-right: 3rem;
}

.logo-url {
	height: 2.8rem;
	width: auto;
}

.nav-link {
	font-size: 1.4rem;
	line-height: 6.8rem;
	padding: 0 1rem;
	color: var(--text-color);
	background: none;
	border: 0;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
}

.nav-link:hover {
	color: var(--primary-color);
}

.nav-item {
	position: relative;
}

.nav-item.dropdown {
	display: inline-block;
}

.dropdown-menu {
	position: absolute;
	top: calc(100% - 0.4rem);
	left: 0;
	min-width: 14rem;
	background-color: #fff;
	border: 0.1rem solid var(--border-color);
	border-radius: 0.6rem;
	padding: 0.6rem 0;
	box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.08);
	z-index: 1000;
	opacity: 0;
	transform: translateY(0.8rem);
	visibility: hidden;
	pointer-events: none;
	transition: opacity 0.3s ease-out, transform 0.3s ease-out, visibility 0.3s ease-out;
}

.nav-item.dropdown.is-open > .dropdown-menu {
	opacity: 1;
	transform: translateY(0);
	visibility: visible;
	pointer-events: auto;
}

.dropdown-icon {
	margin-left: 0.4rem;
	line-height: 1;
	transition: transform 0.3s ease;
	pointer-events: none;
}

.nav-item.dropdown.is-open .dropdown-icon {
	transform: rotate(180deg);
}

.menu-link {
	display: block;
	font-size: 1.4rem;
	padding: 0.8rem 1.2rem;
	color: var(--text-color);
	white-space: nowrap;
}

.menu-link:hover {
	color: var(--primary-color);
}

.nav-link-text {
	position: relative;
	display: inline-block;
}

.nav-link--active .nav-link-text::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	height: 0.3rem;
	background-color: var(--primary-color);
	border-radius: 100rem;
	width: 100%;
}

.entry {
	gap: 1rem;
}

.entry-item {
	font-size: 1.4rem;
	padding: 0.4rem 1.8rem;
	border-radius: 0.4rem;
	cursor: pointer;
	color: var(--text-color);
}

.entry-item:hover {
	color: var(--primary-color);
}

.entry-item.register {
	color: var(--white-color);
	background-color: var(--primary-color);
}

.entry-item.register:hover {
	background-color: var(--hover-color);
}

.entry-item.login {
	border: 0.1rem solid var(--border-primary-color);
	color: var(--primary-color);
}

.entry-item.login:hover {
	border: 0.1rem solid var(--border-primary-color);
	background-color: var(--primary-color);
	color: var(--white-color);
}

.user-guest {
	gap: 0.8rem;
}

.user-dropdown {
	position: relative;
	display: inline-block;
}

.user-avatar {
	width: 2.8rem;
	height: 2.8rem;
	border-radius: 50%;
	background-color: var(--primary-color);
	color: var(--white-color);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 1.4rem;
	font-weight: 600;
	margin-right: 0.6rem;
}

.user-name {
	margin-left: 0.2rem;
}

.user-toggle {
	border: 0;
	background: none;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	font-size: 1.4rem;
	line-height: 6.8rem;
	color: var(--text-color);
}

.user-dropdown-icon {
	margin-left: 0.4rem;
	line-height: 1;
	transition: transform 0.3s ease;
	pointer-events: none;
}

.user-dropdown:hover .user-dropdown-icon {
	transform: rotate(180deg);
}

.user-dropdown-menu {
	position: absolute;
	top: calc(100% - 0.4rem);
	right: 0;
	min-width: 10rem;
	text-align: center;
	background-color: #fff;
	border: 0.1rem solid var(--border-color);
	border-radius: 0.6rem;
	padding: 0.6rem 0;
	box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.08);
	z-index: 1000;
	opacity: 0;
	transform: translateY(0.8rem);
	visibility: hidden;
	pointer-events: none;
	transition: opacity 0.3s ease-out, transform 0.3s ease-out, visibility 0.3s ease-out;
}

.user-dropdown:hover .user-dropdown-menu {
	opacity: 1;
	transform: translateY(0);
	visibility: visible;
	pointer-events: auto;
}

.user-dropdown-item {
	display: block;
	font-size: 1.4rem;
	padding: 0.8rem 1.2rem;
	color: var(--text-color);
	white-space: nowrap;
}

.user-dropdown-item:hover {
	color: var(--primary-color);
}

.main {
	padding-top: 6rem;
}

.section-title {
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 3.6rem;
    font-weight: bold;
}

.section-title p {
    font-size: 1.6rem;
    margin-top: 1rem;
    color: var(--text-dark-color);
}

.footer {
	padding: 8rem 0 2rem 0;
	background-color: var(--black-background-color);
	border-top: 0.1rem solid rgba(255, 255, 255, 0.08);
}

.footer-main {
	gap: 4rem;
}

.footer-brand {
	max-width: 28rem;
}

.footer-logo-link {
	margin-bottom: 1.2rem;
	color: var(--white-color);
}

.footer-logo {
	height: 3.2rem;
	width: auto;
	margin-right: 0.8rem;
}

.footer-desc {
	margin: 0;
	margin-top: 0.4rem;
	font-size: 1.3rem;
	line-height: 1.6;
	color: var(--text-dark-color);
}

.footer-beian {
    margin-top: 0.4rem;
    font-size: 1.2rem;
    color: var(--text-dark-color);
}

.footer-beian a {
    color: var(--text-dark-color);
}

.footer-beian a:hover {
    color: var(--white-color);
}

.footer-menus {
	flex: 1;
	justify-content: flex-end;
	gap: 4rem;
}

.footer-title {
	margin: 0 0 1.2rem;
	font-size: 1.4rem;
	font-weight: 600;
	color: var(--white-color);
}

.footer-links {
	margin: 0;
	padding: 0;
}

.footer-link {
	display: block;
	font-size: 1.3rem;
	color: var(--text-dark-color);
	line-height: 2.4rem;
}

.footer-link:hover {
	color: var(--white-color);
}

.footer-bottom {
	margin-top: 8rem;
	padding-top: 1.6rem;
	border-top: 0.1rem solid rgba(255, 255, 255, 0.08);
	font-size: 1.2rem;
	color: var(--text-dark-color);
}

.footer-bottom a {
	color: var(--text-dark-color);
}

.footer-bottom a:hover {
	color: var(--white-color);
}