:root {
	--wintime-black: #050505;
	--wintime-deep-black: #0a0a0a;
	--wintime-white: #ffffff;
	--wintime-muted: #c9cbd0;
	--wintime-blue: #4b96ff;
	--wintime-blue-light: #66bfff;
	--wintime-red: #ff2929;
	--wintime-content-width: 1440px;
	--wintime-page-padding: clamp(24px, 4vw, 64px);
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--wintime-black);
	color: var(--wintime-white);
	font-family: Arial, "PingFang SC", "Microsoft YaHei", Helvetica, sans-serif;
	font-size: 16px;
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
}

a {
	color: inherit;
}

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

button,
input,
select,
textarea {
	font: inherit;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.screen-reader-text:focus {
	top: 12px;
	left: 12px;
	z-index: 100000;
	width: auto;
	height: auto;
	padding: 10px 14px;
	clip: auto;
	background: var(--wintime-white);
	color: var(--wintime-black);
}

[data-contact-copy],
[data-home-copy] {
	display: none !important;
}

[data-contact-copy="en"],
[data-home-copy="en"] {
	display: inline !important;
}

body[data-contact-language] [data-contact-copy="en"],
body[data-contact-language] [data-home-copy="en"] {
	display: none !important;
}

body[data-contact-language="en"] [data-contact-copy="en"],
body[data-contact-language="zh"] [data-contact-copy="zh"],
body[data-contact-language="it"] [data-contact-copy="it"],
body[data-contact-language="zh-hant"] [data-contact-copy="zh-hant"],
body[data-contact-language="en"] [data-home-copy="en"],
body[data-contact-language="zh"] [data-home-copy="zh"],
body[data-contact-language="it"] [data-home-copy="it"],
body[data-contact-language="zh-hant"] [data-home-copy="zh-hant"] {
	display: inline !important;
}

.contact-layout,
.site-header__inner,
.site-footer__inner,
.content-shell {
	width: min(100%, var(--wintime-content-width));
	margin-inline: auto;
	padding-inline: var(--wintime-page-padding);
}

/* 品牌标识 */
.brand-mark {
	display: inline-block;
	width: 96px;
	color: var(--wintime-white);
	text-decoration: none;
}

.brand-mark__image {
	width: 100%;
	height: auto;
}

/* Header */
.site-header {
	position: fixed;
	top: 0;
	left: 0;
	z-index: 50;
	width: 100%;
	border-bottom: 1px solid transparent;
	background: transparent;
	transition: background-color 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

html body .site-header.is-scrolled {
	border-bottom-color: rgba(255, 255, 255, 0.12);
	background: rgba(5, 5, 5, 0.75);
	-webkit-backdrop-filter: blur(10px);
	backdrop-filter: blur(10px);
}

body .wintime-contact-page .site-header,
body .wintime-home-page .site-header,
body .wintime-about-page .site-header {
	position: fixed;
	top: 0;
	left: 0;
	border: 0;
	background: transparent;
}

body.admin-bar .site-header {
	top: 32px !important;
}

html body.admin-bar .site-header.is-scrolled {
	border-bottom-color: rgba(255, 255, 255, 0.12);
	background: rgba(5, 5, 5, 0.75);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 104px;
	gap: 48px;
}

.site-branding {
	display: flex;
	align-items: center;
	min-width: 132px;
}

.custom-logo-link {
	display: inline-block;
}

.custom-logo {
	max-width: 132px;
	max-height: 68px;
	width: auto;
}

.site-navigation__menu,
.site-navigation__fallback ul,
.site-footer__menu {
	display: flex;
	align-items: center;
	gap: clamp(32px, 5vw, 86px);
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-navigation {
	flex: 1;
	max-width: 1100px;
}

.site-navigation__menu,
.site-navigation__fallback ul {
	justify-content: space-between;
	gap: clamp(28px, 4vw, 76px);
}

.site-navigation__fallback .page_item,
.site-navigation__menu .menu-item {
	margin: 0;
}

.site-navigation a {
	display: inline-flex;
	align-items: center;
	min-height: 34px;
	padding: 5px 8px;
	border-radius: 5px;
	font-size: 17px;
	line-height: 1;
	text-decoration: none;
	transition: color 160ms ease, background-color 160ms ease;
}

.site-navigation a:hover,
.site-navigation a:focus-visible {
	color: var(--wintime-blue-light);
}

.site-navigation a[data-nav-slug="contact-us"] {
	justify-content: center;
	min-width: 138px;
	min-height: 45px;
	padding: 8px 22px;
	background: linear-gradient(90deg, #4b96ff 0%, #a0d2fa 50%, #69b9fa 100%);
	color: var(--wintime-white);
}

.site-navigation a[data-nav-slug="contact-us"]:hover,
.site-navigation a[data-nav-slug="contact-us"]:focus-visible {
	color: var(--wintime-white);
	filter: brightness(1.06);
}

.site-navigation .current-menu-item > a:not([data-nav-slug="contact-us"]),
.site-navigation .current_page_item > a:not([data-nav-slug="contact-us"]) {
	position: relative;
	min-width: 0;
	min-height: 34px;
	padding: 5px 8px;
	background: linear-gradient(90deg, #4b96ff 0%, #a0d2fa 50%, #69b9fa 100%);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	-webkit-text-fill-color: transparent;
}

.site-navigation .current-menu-item > a:not([data-nav-slug="contact-us"])::after,
.site-navigation .current_page_item > a:not([data-nav-slug="contact-us"])::after {
	position: absolute;
	right: 8px;
	bottom: 1px;
	left: 8px;
	height: 2px;
	background: linear-gradient(90deg, #4b96ff 0%, #a0d2fa 50%, #69b9fa 100%);
	content: "";
}

.site-navigation__toggle {
	display: none;
	padding: 6px;
	border: 0;
	background: transparent;
}

.site-navigation__toggle span[aria-hidden="true"] {
	display: block;
	width: 27px;
	height: 2px;
	margin: 5px 0;
	background: var(--wintime-white);
}

/* Contact Hero */
.contact-hero {
	position: relative;
	display: flex;
	align-items: center;
	min-height: min(900px, 47vw);
	background-color: #191a1b;
	background-image: url("../../contact-material/contact_main_img.png");
	background-position: center center;
	background-size: cover;
	isolation: isolate;
}

.contact-hero__overlay {
	position: absolute;
	inset: 0;
	z-index: -1;
	background:
		linear-gradient(90deg, rgba(0, 0, 0, 0.79) 0%, rgba(0, 0, 0, 0.38) 49%, rgba(0, 0, 0, 0.16) 100%),
		linear-gradient(0deg, rgba(0, 0, 0, 0.42) 0%, transparent 46%);
}

.contact-hero__content {
	padding-top: 90px;
}

.contact-hero h1 {
	max-width: 700px;
	margin: 0 0 42px;
	font-size: clamp(42px, 3.25vw, 62px);
	font-weight: 400;
	letter-spacing: -0.025em;
	line-height: 1.12;
	text-transform: uppercase;
}

.contact-hero p {
	max-width: 940px;
	margin: 0 0 36px;
	font-size: clamp(16px, 1.05vw, 20px);
	line-height: 1.45;
}

/* Contact Form */
.contact-form-section {
	position: relative;
	min-height: 1430px;
	overflow: hidden;
	background: var(--wintime-deep-black);
}

.contact-form-section__decoration {
	position: absolute;
	top: 280px;
	left: calc(50% + 280px);
	width: 1920px;
	height: 900px;
	background-image: url("../../contact-material/Blue_3D_decoration_img.png");
	background-position: center;
	background-repeat: no-repeat;
	background-size: 1920px 900px;
	transform: translateX(-50%);
	pointer-events: none;
}

.contact-form-section__inner {
	position: relative;
	z-index: 1;
	padding-top: 160px;
	padding-bottom: 170px;
}

.contact-form-panel {
	width: min(550px, 100%);
}

.contact-form-panel h2,
.contact-details h2 {
	margin: 0 0 38px;
	font-size: clamp(36px, 2.7vw, 52px);
	font-weight: 700;
	letter-spacing: 0.01em;
	line-height: 1.1;
	text-transform: uppercase;
}

.contact-form-panel h2 {
	display: inline-block;
	background: linear-gradient(90deg, #4b96ff 0%, #a0d2fa 50%, #69b9fa 100%);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	-webkit-text-fill-color: transparent;
}

.contact-details h2 {
	color: var(--wintime-blue);
}

.contact-form {
	display: grid;
	gap: 20px;
}

.contact-form label {
	display: block;
}

.contact-form label {
	font-size: 15px;
	line-height: 1.35;
}

.contact-form label em {
	color: var(--wintime-red);
	font-size: 12px;
	font-style: normal;
}

.contact-form input:not([type="checkbox"]):not([type="submit"]):not([type="hidden"]),
.contact-form select,
.contact-form textarea {
	display: block;
	width: 100%;
	margin-top: 9px;
	border: 1px solid #4180ae;
	border-radius: 7px;
	outline: none;
	background: #0c0d10;
	color: var(--wintime-white);
	transition: border-color 160ms ease, box-shadow 160ms ease;
}

.contact-form input:not([type="checkbox"]):not([type="submit"]):not([type="hidden"]),
.contact-form select {
	height: 51px;
	padding: 0 15px;
}

.contact-form select {
	appearance: none;
	padding-right: 48px;
	background-image:
		linear-gradient(45deg, transparent 50%, #69b9fa 50%),
		linear-gradient(135deg, #69b9fa 50%, transparent 50%);
	background-position:
		calc(100% - 22px) 22px,
		calc(100% - 15px) 22px;
	background-repeat: no-repeat;
	background-size: 7px 7px, 7px 7px;
}

.contact-form textarea {
	min-height: 150px;
	padding: 18px 20px;
	resize: vertical;
}

.contact-form textarea::placeholder {
	color: #bfc2c8;
	font-size: 12px;
	opacity: 1;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
	border-color: var(--wintime-blue-light);
	box-shadow: 0 0 0 2px rgba(75, 150, 255, 0.2);
}

.contact-form__honeypot {
	position: absolute;
	left: -10000px;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

.contact-form .contact-form__consent {
	display: grid;
	grid-template-columns: 23px 1fr;
	align-items: start;
	gap: 13px;
	font-size: 14px;
	line-height: 1.45;
}

.contact-form__consent a {
	color: #69b9fa;
}

.contact-form input[type="checkbox"] {
	width: 23px;
	height: 23px;
	margin: 2px 0 0;
	accent-color: var(--wintime-blue);
}

.contact-form button,
.contact-form input[type="submit"] {
	width: 260px;
	min-height: 48px;
	padding: 8px 22px;
	border: 0;
	border-radius: 7px;
	background: linear-gradient(90deg, #4b96ff 0%, #a0d2fa 50%, #69b9fa 100%);
	color: var(--wintime-white);
	font-size: 20px;
	cursor: pointer;
	transition: filter 160ms ease, transform 160ms ease;
}

.contact-form button:hover,
.contact-form button:focus-visible,
.contact-form input[type="submit"]:hover,
.contact-form input[type="submit"]:focus-visible {
	filter: brightness(1.08);
	transform: translateY(-1px);
}

.contact-form__notice {
	width: min(550px, 100%);
	margin: 0 0 22px;
	padding: 13px 16px;
	border: 1px solid currentColor;
	border-radius: 7px;
	font-size: 14px;
}

.contact-form__notice--success {
	color: #75d7a1;
}

.contact-form__notice--error {
	color: #ff7777;
}

/* Contact Details */
.contact-details {
	min-height: 690px;
	padding-block: 128px 112px;
	background: var(--wintime-white);
	color: var(--wintime-blue);
}

.contact-details__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	align-items: center;
	gap: clamp(80px, 10vw, 190px);
}

.contact-details__list {
	display: grid;
	gap: 37px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.contact-details__list li {
	display: grid;
	grid-template-columns: 90px minmax(0, 1fr);
	align-items: center;
	gap: 32px;
	min-height: 70px;
}

.contact-details__list img {
	width: 72px;
	height: 72px;
	object-fit: contain;
}

.contact-details__list address,
.contact-details__list a {
	max-width: 380px;
	font-size: 20px;
	font-style: normal;
	line-height: 1.35;
	text-decoration: none;
}

.contact-details__visual {
	display: grid;
	justify-items: center;
	gap: 70px;
}

.contact-details__map {
	width: 550px;
	max-width: 100%;
	aspect-ratio: 1.8;
	border: 3px solid var(--wintime-blue);
	background: #eef3f9;
	z-index: 1;
}

.contact-details__map:focus-visible {
	outline: 3px solid #185faa;
	outline-offset: 4px;
}

.contact-details__map-link {
	font-weight: 700;
}

.social-links {
	display: flex;
	align-items: center;
	gap: 42px;
}

.social-links__item {
	display: inline-flex;
	align-items: center;
	justify-content: center;
}

.social-links__item img {
	width: 50px;
	height: 50px;
	object-fit: contain;
}

/* Footer */
.site-footer {
	min-height: 505px;
	background: var(--wintime-black);
}

.site-footer__inner {
	display: grid;
	grid-template-columns: 1.1fr 0.8fr 1.1fr;
	gap: 64px;
	padding-top: 68px;
	padding-bottom: 34px;
}

.site-footer__brand .brand-mark {
	width: 118px;
	margin-bottom: 18px;
}

.site-footer__brand address {
	max-width: 340px;
	font-size: 16px;
	font-style: normal;
	line-height: 1.65;
}

.site-footer__navigation {
	justify-self: center;
	width: 100%;
	text-align: center;
}

.site-footer__menu,
.site-footer__navigation .site-navigation__fallback ul {
	align-items: center;
	flex-direction: column;
	justify-content: flex-start;
	gap: 13px;
}

.site-footer__menu li,
.site-footer__navigation .site-navigation__fallback li {
	width: 100%;
}

.site-footer__navigation a {
	display: block;
	white-space: nowrap;
}

.site-footer__navigation a,
.site-footer__contact a {
	font-size: 17px;
	text-decoration: none;
}

.site-footer__navigation a:hover,
.site-footer__navigation a:focus-visible,
.site-footer__contact a:hover,
.site-footer__contact a:focus-visible {
	color: var(--wintime-blue-light);
}

.site-footer__contact {
	display: flex;
	align-items: flex-end;
	flex-direction: column;
	gap: 6px;
	text-align: right;
}

.site-footer__contact .social-links {
	gap: 20px;
	margin-bottom: 9px;
}

.site-footer__contact .social-links__item img {
	width: 25px;
	height: 25px;
	filter: grayscale(1) brightness(5);
}

.site-footer__copyright {
	grid-column: 1 / -1;
	margin: 74px 0 0;
	padding-top: 29px;
	border-top: 1px solid rgba(255, 255, 255, 0.14);
	font-size: 17px;
	text-align: center;
}

/* 全站固定语言切换器 */
.contact-language-switcher {
	position: fixed;
	right: 24px;
	bottom: 24px;
	z-index: 1000;
	font-size: 16px;
}

.contact-language-switcher button {
	border: 0;
	color: #ececec;
	font: inherit;
	cursor: pointer;
}

.contact-language-switcher__trigger {
	display: grid;
	grid-template-columns: 25px 1fr 12px;
	align-items: center;
	gap: 10px;
	min-width: 196px;
	min-height: 54px;
	padding: 12px 16px;
	border-radius: 8px;
	background: #202020;
	box-shadow: 0 8px 28px rgba(0, 0, 0, 0.32);
	text-align: left;
}

.contact-language-switcher__flag {
	font-size: 20px;
	line-height: 1;
}

.contact-language-switcher__chevron {
	width: 8px;
	height: 8px;
	border-top: 2px solid currentColor;
	border-left: 2px solid currentColor;
	transform: translateY(2px) rotate(45deg);
}

.contact-language-switcher__trigger[aria-expanded="true"] .contact-language-switcher__chevron {
	transform: translateY(-2px) rotate(225deg);
}

.contact-language-switcher__menu {
	position: absolute;
	right: 0;
	bottom: calc(100% + 8px);
	width: 230px;
	padding: 8px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	border-radius: 8px;
	background: #202020;
	box-shadow: 0 14px 34px rgba(0, 0, 0, 0.38);
}

.contact-language-switcher__menu[hidden] {
	display: none;
}

.contact-language-switcher__menu button {
	display: grid;
	grid-template-columns: 28px 1fr;
	align-items: center;
	gap: 10px;
	width: 100%;
	min-height: 48px;
	padding: 10px 12px;
	border-radius: 4px;
	background: transparent;
	text-align: left;
}

.contact-language-switcher__menu button:hover,
.contact-language-switcher__menu button:focus-visible,
.contact-language-switcher__menu button[aria-checked="true"] {
	background: #565656;
	color: #ffffff;
}

/* 通用页面 */
.content-shell {
	min-height: 60vh;
	padding-top: 72px;
	padding-bottom: 72px;
}

.content-entry__title {
	margin: 0 0 24px;
	font-size: clamp(42px, 5vw, 72px);
	line-height: 1.05;
}

/* 案例展示更新提示 */
.case-studies-notice {
	display: grid;
	place-items: center;
	min-height: 680px;
	background:
		radial-gradient(circle at 50% 45%, rgba(75, 150, 255, 0.12), transparent 36%),
		#030303;
}

.case-studies-notice__inner {
	min-height: 0;
	padding-block: 120px;
	text-align: center;
}

.case-studies-notice__eyebrow {
	margin: 0 0 24px;
	color: #69b9fa;
	font-size: 16px;
	font-weight: 700;
	letter-spacing: 0.18em;
}

.case-studies-notice__title {
	margin: 0 0 34px;
	background: linear-gradient(90deg, #4b96ff, #a0d2fa, #69b9fa);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	font-size: clamp(54px, 7vw, 112px);
	line-height: 0.95;
	text-transform: uppercase;
}

.case-studies-notice__message {
	max-width: 920px;
	margin-inline: auto;
}

.case-studies-notice__message p {
	margin: 0;
	color: #f4f4f4;
	font-size: clamp(20px, 2vw, 30px);
	line-height: 1.65;
}

.case-studies-notice__message a {
	color: #69b9fa;
	text-decoration-line: underline;
	text-decoration-thickness: 2px;
	text-underline-offset: 6px;
}

.case-studies-notice__message a:hover,
.case-studies-notice__message a:focus-visible {
	color: #a0d2fa;
}

@media (max-width: 1100px) {
	.contact-hero {
		min-height: 720px;
	}

	.contact-form-section {
		min-height: 1320px;
	}

	.contact-form-section__decoration {
		left: calc(50% + 220px);
		opacity: 0.72;
	}

	.contact-details__grid {
		gap: 64px;
	}

	.contact-details__list li {
		grid-template-columns: 66px minmax(0, 1fr);
		gap: 22px;
	}

	.contact-details__list img {
		width: 58px;
		height: 58px;
	}
}

@media (max-width: 782px) {
	:root {
		--wintime-page-padding: 24px;
	}

	.case-studies-notice {
		min-height: 560px;
	}

	.case-studies-notice__inner {
		padding-block: 90px;
	}

	body.admin-bar .site-header {
		top: 46px !important;
	}

	.site-header__inner {
		position: relative;
		min-height: 80px;
	}

	.brand-mark {
		width: 82px;
	}

	.site-navigation__toggle {
		display: block;
		cursor: pointer;
	}

	.site-navigation {
		display: none;
		position: absolute;
		top: 100%;
		left: 0;
		z-index: 10;
		width: 100%;
		max-width: none;
		padding: 20px var(--wintime-page-padding) 28px;
		background: rgba(2, 2, 3, 0.98);
	}

	.site-navigation.is-open {
		display: block;
	}

	.site-navigation__menu,
	.site-navigation__fallback ul {
		align-items: flex-start;
		flex-direction: column;
		justify-content: flex-start;
		gap: 12px;
	}

	.site-navigation a[data-nav-slug="contact-us"] {
		padding-inline: 16px;
	}

	.contact-hero {
		align-items: flex-end;
		min-height: 700px;
		background-position: 61% center;
	}

	.contact-hero__content {
		padding-top: 150px;
		padding-bottom: 74px;
	}

	.contact-hero h1 {
		margin-bottom: 28px;
		font-size: clamp(38px, 12vw, 54px);
	}

	.contact-hero p {
		margin-bottom: 24px;
		font-size: 16px;
	}

	.contact-form-section {
		min-height: auto;
	}

	.contact-form-section__decoration {
		top: 280px;
		left: calc(50% + 120px);
		opacity: 0.45;
	}

	.contact-form-section__inner {
		padding-top: 90px;
		padding-bottom: 110px;
	}

	.contact-form-panel {
		width: 100%;
	}

	.contact-form button,
	.contact-form input[type="submit"] {
		width: 100%;
	}

	.contact-details {
		padding-block: 84px;
	}

	.contact-details__grid {
		grid-template-columns: 1fr;
		gap: 80px;
	}

	.contact-details__list {
		gap: 28px;
	}

	.contact-details__list li {
		grid-template-columns: 54px minmax(0, 1fr);
		gap: 18px;
	}

	.contact-details__list img {
		width: 48px;
		height: 48px;
	}

	.contact-details__list address,
	.contact-details__list a {
		font-size: 16px;
	}

	.contact-details__visual {
		gap: 42px;
	}

	.social-links {
		gap: 26px;
	}

	.social-links__item img {
		width: 42px;
		height: 42px;
	}

	.site-footer {
		min-height: auto;
	}

	.site-footer__inner {
		grid-template-columns: 1fr;
		gap: 46px;
		padding-top: 58px;
	}

	.site-footer__navigation,
	.site-footer__contact {
		justify-self: start;
		align-items: flex-start;
		text-align: left;
	}

	.site-footer__navigation {
		width: auto;
	}

	.site-footer__menu,
	.site-footer__navigation .site-navigation__fallback ul {
		align-items: flex-start;
	}

	.site-footer__copyright {
		grid-column: auto;
		margin-top: 26px;
		font-size: 14px;
		text-align: left;
	}

	.contact-language-switcher {
		right: 12px;
		bottom: 12px;
	}

	.contact-language-switcher__trigger {
		min-width: 168px;
		min-height: 48px;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
}