:root {
				--ink: #383838;
				--muted: #666;
				--line: #d7d7d7;
				--pad: clamp(24px, 5.2vw, 100px);
			}

			* {
				box-sizing: border-box;
			}

			html {
				scroll-behavior: smooth;
			}

			body {
				margin: 0;
				color: var(--ink);
				background: #fff;
				font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
				font-weight: 300;
			}

			button {
				font: inherit;
				cursor: pointer;
			}

			.about-hero {
				min-height: min(49vw, 850px);
				background: url("/public/static/img/about-banner.png") center / cover no-repeat;
				position: relative;
				display: flex;
				align-items: center;
			}

			.about-hero::after {
				content: "";
				position: absolute;
				inset: 0;
				background: linear-gradient(90deg, rgba(255, 255, 255, .08), transparent 62%);
				pointer-events: none;
			}

			.about-hero-copy {
				position: relative;
				z-index: 1;
				max-width: 600px;
				margin-left: var(--pad);
				margin-top: 30px;
			}

			.about-hero-title {
				margin: 0;
				font-size: clamp(38px, 4vw, 62px);
				line-height: 1.2;
				font-weight: 300;
				letter-spacing: .03em;
			}

			.about-hero-copy p {
				margin: 30px 0 0;
				max-width: 520px;
				font-size: clamp(15px, 1.25vw, 20px);
				line-height: 1.8;
			}

			.about-arrow {
				width: 106px;
				height: 28px;
				margin-top: 30px;
				border: 1px solid #383838;
				border-radius: 6px;
				background: rgba(255, 255, 255, .1);
				color: #383838;
			}

			.about-arrow svg {
				width: 82px;
				height: 14px;
				fill: none;
				stroke: currentColor;
				stroke-width: 1.2;
			}

			.about-content {
				max-width: 1720px;
				margin: 0 auto;
				padding: 100px var(--pad) 150px;
			}

			.about-layout {
				display: grid;
				grid-template-columns: 255px minmax(0, 1fr);
				gap: clamp(60px, 8vw, 135px);
			}

			.about-tabs {
				position: sticky;
				top: 120px;
				align-self: start;
				border-left: 8px solid #d6d6d6;
			}

			.about-tab {
				width: 100%;
				min-height: 82px;
				border: 0;
				border-left: 8px solid transparent;
				margin-left: -8px;
				background: transparent;
				color: #333;
				text-align: left;
				padding: 0 32px;
				font-size: 18px;
			}

			.about-tab.is-active {
				border-left-color: #666;
			}

			.about-section {
				scroll-margin-top: 100px;
			}

			.about-section+.about-section {
				margin-top: 150px;
			}

			.about-section-heading {
				display: inline-block;
				margin: 0 0 20px;
				padding: 12px 38px;
				background: #666;
				color: #fff;
				font-size: 25px;
				line-height: 1.2;
				font-weight: 400;
			}

			.endorsement-subtitle {
				margin: 0 0 58px;
				color: #707070;
				font-size: clamp(26px, 2.35vw, 38px);
				font-weight: 300;
				line-height: 1.2;
			}

			.endorsement-copy {
				max-width: 1060px;
				margin: 0;
				font-size: 18px;
				line-height: 2.25;
			}

			.endorsement-copy p {
				margin: 0 0 28px;
			}

			.endorsement-copy .english {
				max-width: 1080px;
				margin-top: 56px;
				color: #858585;
				font-size: 14px;
				line-height: 1.8;
			}

			.about-media {
				width: 100%;
				display: block;
				object-fit: cover;
			}

			.intro-media {
				aspect-ratio: 2.05;
			}

			.story-media {
				width: 52%;
				max-height: 720px;
				margin-left: auto;
				object-fit: cover;
			}

			.about-copy {
				max-width: 910px;
				margin: 18px auto 0;
				font-size: 17px;
				line-height: 2;
			}

			.about-copy p {
				margin: 0 0 20px;
			}

			.about-copy .english {
				font-size: 14px;
				line-height: 1.9;
				color: #555;
			}

			.story-layout {
				display: grid;
				grid-template-columns: minmax(0, 1fr) 1fr;
				gap: 70px;
				align-items: start;
			}

			.story-copy {
				padding-top: 20px;
				font-size: 17px;
				line-height: 2;
			}

			.story-copy p {
				margin: 0 0 20px;
			}

			.philosophy-copy {
				max-width: 1160px;
				margin: 0 auto;
			}

			.philosophy-item {
				margin-bottom: 34px;
			}

			.philosophy-item h3 {
				margin: 0 0 6px;
				font-size: 21px;
				font-weight: 500;
			}

			.philosophy-item h3::before {
				content: "";
				display: inline-block;
				width: 10px;
				height: 10px;
				margin: 0 14px 3px 0;
				border-radius: 50%;
				background: #383838;
			}

			.philosophy-item p {
				margin: 0;
				color: #555;
				font-size: 16px;
				line-height: 1.9;
			}

			@media (max-width: 850px) {
				.about-hero {
					min-height: 620px;
					align-items: flex-end;
					padding-bottom: 58px;
				}

				.about-hero-copy {
					margin: 0 20px;
				}

				.about-hero-copy p {
					margin-top: 22px;
					font-size: 14px;
					line-height: 1.75;
				}

				.about-content {
					padding: 58px 20px 80px;
				}

				.about-layout {
					display: block;
				}

				.about-tabs {
					position: static;
					display: flex;
					overflow-x: auto;
					margin-bottom: 52px;
					border-left: 0;
					border-bottom: 6px solid #d6d6d6;
				}

				.about-tab {
					flex: 0 0 auto;
					width: auto;
					min-height: 52px;
					border-left: 0;
					border-bottom: 6px solid transparent;
					margin: 0 18px 0 0;
					padding: 0 4px;
					font-size: 15px;
				}

				.about-tab.is-active {
					border-bottom-color: #666;
				}

				.about-section+.about-section {
					margin-top: 82px;
				}

				.about-section-heading {
					font-size: 21px;
					padding: 10px 24px;
				}

				.endorsement-subtitle {
					margin-bottom: 32px;
				}

				.endorsement-copy {
					font-size: 15px;
					line-height: 1.9;
				}

				.endorsement-copy .english {
					margin-top: 40px;
					font-size: 13px;
					line-height: 1.8;
				}

				.intro-media {
					aspect-ratio: 1.35;
				}

				.about-copy,
				.story-copy {
					font-size: 15px;
					line-height: 1.9;
				}

				.story-layout {
					display: flex;
					flex-direction: column;
					gap: 26px;
				}

				.story-media {
					width: 100%;
					max-height: none;
					order: 0;
				}

				.story-copy {
					order: 1;
					padding-top: 0;
				}

				.philosophy-item h3 {
					font-size: 18px;
				}

				.philosophy-item p {
					font-size: 14px;
					line-height: 1.8;
				}
			}