/* roulang page: index */
:root {
            --stg-primary: #1a2126;
            --stg-primary-700: #232d35;
            --stg-primary-800: #0f151a;
            --stg-secondary: #c9a962;
            --stg-secondary-hover: #b08f4d;
            --stg-secondary-soft: #dcbf87;
            --stg-bg: #f6f3ed;
            --stg-bg-warm: #efe9df;
            --stg-card: #ffffff;
            --stg-text: #1d262b;
            --stg-text-muted: #6b7379;
            --stg-text-light: #aab4bb;
            --stg-border: #d9d2c5;
            --stg-radius-sm: 8px;
            --stg-radius-md: 12px;
            --stg-radius-lg: 18px;
            --stg-shadow-sm: 0 2px 14px rgba(18, 27, 33, 0.06);
            --stg-shadow-md: 0 10px 30px rgba(18, 27, 33, 0.10);
            --stg-shadow-lg: 0 20px 50px rgba(18, 27, 33, 0.16);
            --stg-transition: 0.22s ease;
            --stg-font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --stg-line-height: 1.9;
            --stg-gap-section: 80px;
            --stg-gap-section-mobile: 52px;
            --stg-max-width: 1180px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--stg-font);
            background: var(--stg-bg);
            color: var(--stg-text);
            line-height: var(--stg-line-height);
            margin: 0;
            padding: 0;
            font-size: 16px;
            letter-spacing: 0.015em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--stg-text);
            text-decoration: none;
            transition: color var(--stg-transition);
        }

        a:hover {
            color: var(--stg-secondary);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--stg-font);
            letter-spacing: 0.015em;
        }

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--stg-secondary);
            outline-offset: 3px;
        }

        .stg-container {
            max-width: var(--stg-max-width);
            margin: 0 auto;
            padding-left: 22px;
            padding-right: 22px;
        }

        .stg-section {
            padding-top: var(--stg-gap-section);
            padding-bottom: var(--stg-gap-section);
        }

        .stg-section--alt {
            background: var(--stg-bg-warm);
        }

        .stg-section--dark {
            background: var(--stg-primary);
            color: #f0ede6;
        }

        .stg-section--dark .stg-section__lead {
            color: #cfd6db;
        }

        .stg-section__head {
            max-width: 780px;
            margin-bottom: 36px;
        }

        .stg-section__title {
            font-size: clamp(1.6rem, 2.8vw, 2.1rem);
            font-weight: 700;
            line-height: 1.45;
            margin: 0 0 14px;
            color: var(--stg-text);
        }

        .stg-section--dark .stg-section__title {
            color: #f6f2ea;
        }

        .stg-section__lead {
            font-size: 1rem;
            line-height: 1.95;
            color: var(--stg-text-muted);
            margin: 0;
        }

        .stg-section--dark .stg-section__lead {
            color: #b8c0c7;
        }

        .stg-eyebrow {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.16em;
            color: var(--stg-secondary);
            text-transform: uppercase;
            margin-bottom: 12px;
            position: relative;
        }

        .stg-eyebrow::after {
            content: '';
            display: inline-block;
            width: 34px;
            height: 1px;
            background: var(--stg-secondary);
            vertical-align: middle;
            margin-left: 12px;
        }

        .stg-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.5;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--stg-transition);
            text-align: center;
            -webkit-tap-highlight-color: transparent;
        }

        .stg-btn--primary {
            background: var(--stg-secondary);
            color: #1a2126;
            border-color: var(--stg-secondary);
        }

        .stg-btn--primary:hover {
            background: var(--stg-secondary-hover);
            border-color: var(--stg-secondary-hover);
            color: #1a2126;
            transform: translateY(-2px);
            box-shadow: var(--stg-shadow-md);
        }

        .stg-btn--primary:active {
            transform: translateY(0);
            box-shadow: var(--stg-shadow-sm);
        }

        .stg-btn--ghost {
            background: transparent;
            color: #f6f2ea;
            border-color: rgba(246, 242, 234, 0.55);
        }

        .stg-btn--ghost:hover {
            background: rgba(246, 242, 234, 0.12);
            border-color: #f6f2ea;
            color: #fff;
            transform: translateY(-2px);
        }

        .stg-btn--ghost:active {
            transform: translateY(0);
        }

        .stg-btn--sm {
            padding: 10px 20px;
            font-size: 0.92rem;
        }

        .stg-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 500;
            line-height: 1.5;
            background: rgba(201, 169, 98, 0.16);
            color: #8b6f3a;
            border: 1px solid rgba(201, 169, 98, 0.35);
        }

        .stg-tag--solid {
            background: var(--stg-secondary);
            color: #1a2126;
            border-color: var(--stg-secondary);
        }

        .stg-card {
            background: var(--stg-card);
            border-radius: var(--stg-radius-lg);
            border: 1px solid var(--stg-border);
            box-shadow: var(--stg-shadow-sm);
            padding: 28px 26px;
            transition: all var(--stg-transition);
            height: 100%;
        }

        .stg-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--stg-shadow-md);
            border-color: var(--stg-secondary-soft);
        }

        .stg-card__icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(201, 169, 98, 0.14);
            color: var(--stg-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 18px;
        }

        .stg-card__title {
            font-size: 1.12rem;
            font-weight: 700;
            line-height: 1.55;
            margin: 0 0 10px;
            color: var(--stg-text);
        }

        .stg-card__desc {
            font-size: 0.95rem;
            line-height: 1.85;
            color: var(--stg-text-muted);
            margin: 0;
        }

        .stg-grid {
            display: grid;
            gap: 22px;
        }

        .stg-grid--2 {
            grid-template-columns: repeat(2, 1fr);
        }

        .stg-grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }

        .stg-grid--4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .stg-grid--2-1 {
            grid-template-columns: 2fr 1fr;
        }

        .stg-grid--1-2 {
            grid-template-columns: 1fr 2fr;
        }

        .stg-header {
            background: linear-gradient(135deg, #1a2126 0%, #2a3740 52%, #1e272e 100%);
            color: #f6f2ea;
            box-shadow: 0 4px 18px rgba(10, 15, 18, 0.22);
            position: sticky;
            top: 0;
            z-index: 60;
        }

        .stg-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 20px;
        }

        .stg-logo {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: #f6f2ea;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .stg-logo__mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--stg-secondary);
            color: #1a2126;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: 0;
        }

        .stg-logo:hover {
            color: #fff;
        }

        .stg-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .stg-nav__list {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .stg-nav__item {
            position: relative;
        }

        .stg-nav__link {
            display: block;
            padding: 10px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(246, 242, 234, 0.82);
            border-radius: 8px;
            transition: all var(--stg-transition);
            white-space: nowrap;
        }

        .stg-nav__link:hover {
            color: #fff;
            background: rgba(246, 242, 234, 0.10);
        }

        .stg-nav__link.is-active {
            color: #fff;
            background: rgba(201, 169, 98, 0.22);
        }

        .stg-nav__link.is-active::after {
            content: '';
            display: block;
            width: 28px;
            height: 2px;
            background: var(--stg-secondary);
            margin-top: 4px;
            border-radius: 2px;
        }

        .stg-header__cta {
            margin-left: 10px;
        }

        .stg-mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #f6f2ea;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--stg-transition);
        }

        .stg-mobile-toggle:hover {
            background: rgba(246, 242, 234, 0.10);
        }

        .stg-hero {
            background: url('/assets/images/32fdd641e391a303.webp') center center / cover no-repeat;
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 80px 0 100px;
            overflow: hidden;
        }

        .stg-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(15, 21, 26, 0.94) 0%, rgba(26, 33, 38, 0.86) 46%, rgba(35, 45, 53, 0.70) 100%);
            z-index: 1;
        }

        .stg-hero__inner {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .stg-hero__tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 169, 98, 0.18);
            border: 1px solid rgba(201, 169, 98, 0.45);
            color: #e6d2a8;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 500;
            margin-bottom: 22px;
        }

        .stg-hero__title {
            font-size: clamp(1.9rem, 3.8vw, 2.8rem);
            font-weight: 700;
            line-height: 1.4;
            color: #f6f2ea;
            margin: 0 0 18px;
        }

        .stg-hero__subtitle {
            font-size: 1.05rem;
            line-height: 2.0;
            color: #cfd6db;
            margin: 0 0 28px;
            max-width: 580px;
        }

        .stg-hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }

        .stg-hero__form {
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(246, 242, 234, 0.16);
            border-radius: var(--stg-radius-lg);
            padding: 24px;
            max-width: 520px;
        }

        .stg-hero__form-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: #f6f2ea;
            margin: 0 0 16px;
        }

        .stg-form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .stg-form-field {
            flex: 1;
            min-width: 140px;
        }

        .stg-form-input {
            width: 100%;
            padding: 13px 16px;
            border-radius: 10px;
            border: 1px solid rgba(246, 242, 234, 0.28);
            background: rgba(255, 255, 255, 0.10);
            color: #f6f2ea;
            font-size: 0.95rem;
            transition: all var(--stg-transition);
        }

        .stg-form-input::placeholder {
            color: rgba(207, 214, 219, 0.7);
        }

        .stg-form-input:focus {
            border-color: var(--stg-secondary);
            background: rgba(255, 255, 255, 0.16);
            outline: none;
            box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.2);
        }

        .stg-chip-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 12px;
        }

        .stg-chip {
            padding: 8px 16px;
            border-radius: 30px;
            background: rgba(246, 242, 234, 0.10);
            border: 1px solid rgba(246, 242, 234, 0.22);
            color: #e2e5e8;
            font-size: 0.84rem;
            cursor: pointer;
            transition: all var(--stg-transition);
            -webkit-tap-highlight-color: transparent;
            user-select: none;
        }

        .stg-chip:hover,
        .stg-chip.is-selected {
            background: var(--stg-secondary);
            border-color: var(--stg-secondary);
            color: #1a2126;
        }

        .stg-hero__note {
            font-size: 0.82rem;
            color: rgba(207, 214, 219, 0.75);
            margin-top: 14px;
            line-height: 1.7;
        }

        .stg-stats-strip {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 22px;
        }

        .stg-stat {
            min-width: 100px;
        }

        .stg-stat__num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--stg-secondary);
            line-height: 1.2;
        }

        .stg-stat__label {
            font-size: 0.84rem;
            color: #aab4bb;
            margin-top: 4px;
        }

        .stg-footer {
            background: var(--stg-primary-800);
            color: #cfd6db;
            padding: 52px 0 30px;
            border-top: 1px solid rgba(201, 169, 98, 0.22);
        }

        .stg-footer__grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 34px;
        }

        .stg-footer__brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #f6f2ea;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .stg-footer__desc {
            font-size: 0.9rem;
            line-height: 1.9;
            color: #9aa5ad;
            max-width: 300px;
            margin: 0;
        }

        .stg-footer__col-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #f6f2ea;
            margin: 0 0 14px;
        }

        .stg-footer__list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .stg-footer__link {
            font-size: 0.9rem;
            color: #9aa5ad;
            transition: color var(--stg-transition);
        }

        .stg-footer__link:hover {
            color: var(--stg-secondary);
        }

        .stg-footer__bottom {
            border-top: 1px solid rgba(246, 242, 234, 0.10);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: #7d8a93;
        }

        .stg-footer__info {
            max-width: 520px;
            line-height: 1.8;
        }

        .stg-footer__domain {
            color: #8b969e;
        }

        @media (max-width: 1024px) {
            .stg-grid--4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .stg-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .stg-hero {
                min-height: 560px;
                padding-top: 60px;
                padding-bottom: 80px;
            }

            :root {
                --stg-gap-section: 60px;
            }
        }

        @media (max-width: 768px) {
            .stg-grid--2,
            .stg-grid--3,
            .stg-grid--4,
            .stg-grid--2-1,
            .stg-grid--1-2 {
                grid-template-columns: 1fr;
            }

            .stg-header__inner {
                min-height: 60px;
            }

            .stg-mobile-toggle {
                display: block;
            }

            .stg-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--stg-primary);
                box-shadow: var(--stg-shadow-lg);
                padding: 16px 22px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.28s ease;
                z-index: 55;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }

            .stg-nav.is-open {
                transform: translateY(0);
                opacity: 1;
            }

            .stg-nav__list {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .stg-nav__link {
                padding: 12px 14px;
                font-size: 1rem;
            }

            .stg-nav__link.is-active::after {
                margin-top: 2px;
            }

            .stg-header__cta {
                margin-left: 0;
                margin-top: 8px;
            }

            .stg-header__cta .stg-btn {
                width: 100%;
            }

            .stg-hero {
                min-height: auto;
                padding-top: 48px;
                padding-bottom: 60px;
            }

            .stg-hero__title {
                font-size: 1.6rem;
            }

            .stg-hero__subtitle {
                font-size: 0.95rem;
            }

            .stg-form-row {
                flex-direction: column;
            }

            .stg-form-field {
                min-width: 100%;
            }

            .stg-stats-strip {
                gap: 18px;
            }

            .stg-stat__num {
                font-size: 1.35rem;
            }

            .stg-section {
                padding-top: var(--stg-gap-section-mobile);
                padding-bottom: var(--stg-gap-section-mobile);
            }

            .stg-footer__grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .stg-footer__bottom {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .stg-nav__link {
                padding: 8px 10px;
                font-size: 0.88rem;
            }

            .stg-logo {
                font-size: 1.2rem;
            }

            .stg-header__cta .stg-btn {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .stg-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .stg-hero__title {
                font-size: 1.42rem;
            }

            .stg-hero__subtitle {
                font-size: 0.9rem;
            }

            .stg-card {
                padding: 22px 18px;
            }

            .stg-chip-group {
                gap: 6px;
            }

            .stg-chip {
                padding: 6px 12px;
                font-size: 0.78rem;
            }

            .stg-section__title {
                font-size: 1.42rem;
            }
        }

        .stg-divider {
            border: 0;
            border-top: 1px solid var(--stg-border);
            margin: 0;
        }

        .stg-divider--gold {
            border-top-color: rgba(201, 169, 98, 0.4);
        }

        .stg-list-check {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .stg-list-check li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            line-height: 1.85;
            color: var(--stg-text-muted);
        }

        .stg-list-check li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--stg-secondary);
            font-size: 0.9rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .stg-testimonial {
            background: var(--stg-card);
            border-radius: var(--stg-radius-lg);
            border: 1px solid var(--stg-border);
            box-shadow: var(--stg-shadow-sm);
            padding: 26px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            height: 100%;
        }

        .stg-testimonial__quote {
            font-size: 0.95rem;
            line-height: 1.9;
            color: var(--stg-text);
            margin: 0;
            flex: 1;
        }

        .stg-testimonial__name {
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--stg-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .stg-testimonial__avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(201, 169, 98, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--stg-secondary);
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .stg-news-item {
            display: flex;
            gap: 18px;
            padding: 20px 0;
            border-bottom: 1px solid var(--stg-border);
            transition: all var(--stg-transition);
        }

        .stg-news-item:hover {
            background: rgba(201, 169, 98, 0.04);
            padding-left: 10px;
            border-radius: 4px;
        }

        .stg-news-item__thumb {
            width: 90px;
            height: 64px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .stg-news-item__body {
            flex: 1;
        }

        .stg-news-item__title {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--stg-text);
            margin: 0 0 6px;
            line-height: 1.5;
        }

        .stg-news-item__meta {
            font-size: 0.8rem;
            color: var(--stg-text-light);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .stg-news-item__summary {
            font-size: 0.86rem;
            color: var(--stg-text-muted);
            line-height: 1.7;
            margin: 6px 0 0;
        }

        .stg-brand-block {
            background: var(--stg-primary);
            color: #e2e8ec;
            border-radius: var(--stg-radius-lg);
            padding: 42px 38px;
            position: relative;
            overflow: hidden;
        }

        .stg-brand-block::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(201, 169, 98, 0.10);
            pointer-events: none;
        }

        .stg-brand-block__title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #f6f2ea;
            margin: 0 0 16px;
        }

        .stg-brand-block__text {
            font-size: 0.98rem;
            line-height: 2.1;
            color: #cfd6db;
            margin: 0;
            max-width: 900px;
        }

        .stg-scenario-item {
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            border: 1px solid var(--stg-border);
            padding: 20px 18px;
            text-align: center;
            transition: all var(--stg-transition);
            height: 100%;
        }

        .stg-scenario-item:hover {
            border-color: var(--stg-secondary-soft);
            box-shadow: var(--stg-shadow-sm);
            transform: translateY(-3px);
        }

        .stg-scenario-item__icon {
            font-size: 1.3rem;
            color: var(--stg-secondary);
            margin-bottom: 10px;
        }

        .stg-scenario-item__title {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--stg-text);
            margin: 0 0 6px;
        }

        .stg-scenario-item__desc {
            font-size: 0.84rem;
            color: var(--stg-text-muted);
            line-height: 1.7;
            margin: 0;
        }

/* roulang page: category2 */
:root {
        --stg-primary: #1a2126;
        --stg-primary-700: #232d35;
        --stg-primary-800: #0f151a;
        --stg-secondary: #c9a962;
        --stg-secondary-hover: #b08f4d;
        --stg-secondary-soft: #dcbf87;
        --stg-bg: #f6f3ed;
        --stg-bg-warm: #efe9df;
        --stg-card: #ffffff;
        --stg-text: #1d262b;
        --stg-text-muted: #6b7379;
        --stg-text-light: #aab4bb;
        --stg-border: #d9d2c5;
        --stg-radius-sm: 8px;
        --stg-radius-md: 12px;
        --stg-radius-lg: 18px;
        --stg-shadow-sm: 0 2px 14px rgba(18, 27, 33, 0.06);
        --stg-shadow-md: 0 10px 30px rgba(18, 27, 33, 0.10);
        --stg-shadow-lg: 0 20px 50px rgba(18, 27, 33, 0.16);
        --stg-transition: 0.22s ease;
        --stg-font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
        --stg-line-height: 1.9;
        --stg-gap-section: 60px;
        --stg-gap-section-mobile: 52px;
        --stg-max-width: 1180px;
    }
    :root {
        --stg-gap-section: 60px;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--stg-font);
        background: var(--stg-bg);
        color: var(--stg-text);
        line-height: var(--stg-line-height);
        margin: 0;
        padding: 0;
        font-size: 16px;
        letter-spacing: 0.015em;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    a {
        color: var(--stg-text);
        text-decoration: none;
        transition: color var(--stg-transition);
    }
    a:hover {
        color: var(--stg-secondary);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button,
    input,
    select,
    textarea {
        font-family: var(--stg-font);
        letter-spacing: 0.015em;
    }
    button:focus,
    a:focus,
    input:focus,
    select:focus,
    textarea:focus {
        outline: 2px solid var(--stg-secondary);
        outline-offset: 3px;
    }
    .stg-container {
        max-width: var(--stg-max-width);
        margin: 0 auto;
        padding-left: 22px;
        padding-right: 22px;
    }
    .stg-section {
        padding-top: var(--stg-gap-section);
        padding-bottom: var(--stg-gap-section);
    }
    .stg-section--alt {
        background: var(--stg-bg-warm);
    }
    .stg-section--dark {
        background: var(--stg-primary);
        color: #f0ede6;
    }
    .stg-section--dark .stg-section__lead {
        color: #cfd6db;
    }
    .stg-section__head {
        max-width: 780px;
        margin-bottom: 36px;
    }
    .stg-section__title {
        font-size: clamp(1.6rem, 2.8vw, 2.1rem);
        font-weight: 700;
        line-height: 1.45;
        margin: 0 0 14px;
        color: var(--stg-text);
    }
    .stg-section--dark .stg-section__title {
        color: #f6f2ea;
    }
    .stg-section__lead {
        font-size: 1rem;
        line-height: 1.95;
        color: var(--stg-text-muted);
        margin: 0;
    }
    .stg-section--dark .stg-section__lead {
        color: #b8c0c7;
    }
    .stg-eyebrow {
        display: inline-block;
        font-size: 0.82rem;
        font-weight: 600;
        letter-spacing: 0.16em;
        color: var(--stg-secondary);
        text-transform: uppercase;
        margin-bottom: 12px;
        position: relative;
    }
    .stg-eyebrow::after {
        content: '';
        display: inline-block;
        width: 34px;
        height: 1px;
        background: var(--stg-secondary);
        vertical-align: middle;
        margin-left: 12px;
    }
    .stg-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 14px 28px;
        border-radius: 40px;
        font-weight: 600;
        font-size: 1rem;
        line-height: 1.5;
        border: 1px solid transparent;
        cursor: pointer;
        transition: all var(--stg-transition);
        text-align: center;
        -webkit-tap-highlight-color: transparent;
    }
    .stg-btn--primary {
        background: var(--stg-secondary);
        color: #1a2126;
        border-color: var(--stg-secondary);
    }
    .stg-btn--primary:hover {
        background: var(--stg-secondary-hover);
        border-color: var(--stg-secondary-hover);
        color: #1a2126;
        transform: translateY(-2px);
        box-shadow: var(--stg-shadow-md);
    }
    .stg-btn--primary:active {
        transform: translateY(0);
        box-shadow: var(--stg-shadow-sm);
    }
    .stg-btn--ghost {
        background: transparent;
        color: #f6f2ea;
        border-color: rgba(246, 242, 234, 0.55);
    }
    .stg-btn--ghost:hover {
        background: rgba(246, 242, 234, 0.12);
        border-color: #f6f2ea;
        color: #fff;
        transform: translateY(-2px);
    }
    .stg-btn--ghost:active {
        transform: translateY(0);
    }
    .stg-btn--sm {
        padding: 10px 20px;
        font-size: 0.92rem;
    }
    .stg-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        border-radius: 30px;
        font-size: 0.82rem;
        font-weight: 500;
        line-height: 1.5;
        background: rgba(201, 169, 98, 0.14);
        color: var(--stg-secondary);
        border: 1px solid rgba(201, 169, 98, 0.3);
        white-space: nowrap;
    }
    .stg-header {
        position: sticky;
        top: 0;
        z-index: 60;
        background: var(--stg-primary);
        box-shadow: 0 4px 20px rgba(15, 21, 26, 0.2);
        padding: 12px 0;
    }
    .stg-header__inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
    }
    .stg-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 700;
        font-size: 1.15rem;
        color: #f6f2ea;
    }
    .stg-logo__mark {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: var(--stg-secondary);
        color: #1a2126;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 1.05rem;
        flex-shrink: 0;
    }
    .stg-nav {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .stg-nav__list {
        display: flex;
        align-items: center;
        gap: 2px;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .stg-nav__item {
        position: relative;
    }
    .stg-nav__link {
        display: block;
        padding: 8px 16px;
        color: #d5d9dc;
        font-size: 0.95rem;
        font-weight: 500;
        border-radius: 6px;
        transition: all var(--stg-transition);
        position: relative;
    }
    .stg-nav__link:hover {
        color: #fff;
        background: rgba(246, 242, 234, 0.08);
    }
    .stg-nav__link.is-active {
        color: #1a2126;
        background: var(--stg-secondary);
        font-weight: 600;
    }
    .stg-nav__link.is-active:hover {
        color: #1a2126;
        background: var(--stg-secondary-hover);
    }
    .stg-header__cta {
        flex-shrink: 0;
    }
    .stg-nav-toggle {
        display: none;
        background: transparent;
        border: 1px solid rgba(246, 242, 234, 0.35);
        border-radius: 8px;
        color: #f6f2ea;
        padding: 8px 12px;
        cursor: pointer;
        font-size: 1.1rem;
        transition: all var(--stg-transition);
    }
    .stg-nav-toggle:hover {
        background: rgba(246, 242, 234, 0.1);
        border-color: #f6f2ea;
    }
    .stg-hero {
        background: linear-gradient(135deg, var(--stg-primary) 0%, #24303a 55%, #2d3a44 100%);
        color: #f6f2ea;
        padding: 0;
        position: relative;
        overflow: hidden;
    }
    .stg-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at 80% 20%, rgba(201, 169, 98, 0.12) 0%, transparent 55%);
        pointer-events: none;
    }
    .stg-hero__inner {
        position: relative;
        padding: 60px 0 56px;
        max-width: var(--stg-max-width);
        margin: 0 auto;
    }
    .stg-hero__breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        color: var(--stg-text-light);
        margin-bottom: 22px;
    }
    .stg-hero__breadcrumb a {
        color: var(--stg-secondary-soft);
        transition: color var(--stg-transition);
    }
    .stg-hero__breadcrumb a:hover {
        color: #fff;
    }
    .stg-hero__breadcrumb i {
        font-size: 0.65rem;
        opacity: 0.6;
    }
    .stg-hero__title {
        font-size: clamp(2rem, 4.5vw, 3.2rem);
        font-weight: 700;
        line-height: 1.3;
        margin: 0 0 16px;
        color: #fff;
    }
    .stg-hero__lead {
        font-size: 1.08rem;
        line-height: 1.9;
        color: #cfd6db;
        max-width: 680px;
        margin: 0 0 28px;
    }
    .stg-hero__meta {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }
    .stg-card {
        background: var(--stg-card);
        border-radius: var(--stg-radius-md);
        box-shadow: var(--stg-shadow-sm);
        border: 1px solid var(--stg-border);
        overflow: hidden;
        transition: all var(--stg-transition);
    }
    .stg-card:hover {
        box-shadow: var(--stg-shadow-md);
        transform: translateY(-3px);
        border-color: var(--stg-secondary-soft);
    }
    .stg-card__img-wrap {
        position: relative;
        overflow: hidden;
        border-radius: var(--stg-radius-md) var(--stg-radius-md) 0 0;
    }
    .stg-card__img {
        width: 100%;
        height: 200px;
        object-fit: cover;
        transition: transform 0.45s ease;
    }
    .stg-card:hover .stg-card__img {
        transform: scale(1.04);
    }
    .stg-card__body {
        padding: 22px 22px 24px;
    }
    .stg-card__tag {
        margin-bottom: 10px;
    }
    .stg-card__title {
        font-size: 1.12rem;
        font-weight: 700;
        line-height: 1.5;
        margin: 0 0 10px;
        color: var(--stg-text);
    }
    .stg-card__text {
        font-size: 0.95rem;
        line-height: 1.85;
        color: var(--stg-text-muted);
        margin: 0;
    }
    .stg-grid {
        display: grid;
        gap: 22px;
    }
    .stg-grid--3col {
        grid-template-columns: repeat(3, 1fr);
    }
    .stg-grid--2col {
        grid-template-columns: repeat(2, 1fr);
    }
    .stg-grid--4col {
        grid-template-columns: repeat(4, 1fr);
    }
    .stg-biz-card {
        display: flex;
        align-items: flex-start;
        gap: 16px;
        background: var(--stg-card);
        border-radius: var(--stg-radius-md);
        border: 1px solid var(--stg-border);
        padding: 20px 22px;
        box-shadow: var(--stg-shadow-sm);
        transition: all var(--stg-transition);
    }
    .stg-biz-card:hover {
        box-shadow: var(--stg-shadow-md);
        transform: translateY(-2px);
        border-color: var(--stg-secondary-soft);
    }
    .stg-biz-card__icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: rgba(201, 169, 98, 0.13);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--stg-secondary);
        font-size: 1.3rem;
        flex-shrink: 0;
    }
    .stg-biz-card__content {
        flex: 1;
        min-width: 0;
    }
    .stg-biz-card__title {
        font-size: 1.02rem;
        font-weight: 700;
        line-height: 1.5;
        margin: 0 0 6px;
        color: var(--stg-text);
    }
    .stg-biz-card__text {
        font-size: 0.93rem;
        line-height: 1.8;
        color: var(--stg-text-muted);
        margin: 0;
    }
    .stg-stat {
        text-align: center;
        padding: 24px 16px;
    }
    .stg-stat__num {
        font-size: clamp(2rem, 3.2vw, 2.7rem);
        font-weight: 700;
        color: var(--stg-secondary);
        line-height: 1.2;
        display: block;
        margin-bottom: 6px;
    }
    .stg-stat__label {
        font-size: 0.92rem;
        color: var(--stg-text-muted);
        line-height: 1.6;
    }
    .stg-step {
        display: flex;
        gap: 18px;
        align-items: flex-start;
        padding: 18px 0;
        border-bottom: 1px solid var(--stg-border);
    }
    .stg-step:last-child {
        border-bottom: none;
    }
    .stg-step__num {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: var(--stg-primary);
        color: var(--stg-secondary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 1.05rem;
        flex-shrink: 0;
    }
    .stg-step__body {
        flex: 1;
    }
    .stg-step__title {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--stg-text);
        margin: 0 0 6px;
        line-height: 1.5;
    }
    .stg-step__text {
        font-size: 0.93rem;
        color: var(--stg-text-muted);
        margin: 0;
        line-height: 1.8;
    }
    .stg-faq {
        max-width: 780px;
    }
    .stg-faq__item {
        background: var(--stg-card);
        border: 1px solid var(--stg-border);
        border-radius: var(--stg-radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        transition: all var(--stg-transition);
    }
    .stg-faq__item:hover {
        border-color: var(--stg-secondary-soft);
    }
    .stg-faq__head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        width: 100%;
        padding: 18px 22px;
        background: transparent;
        border: none;
        cursor: pointer;
        text-align: left;
        font-size: 1rem;
        font-weight: 600;
        color: var(--stg-text);
        line-height: 1.6;
    }
    .stg-faq__head:hover {
        color: var(--stg-secondary);
    }
    .stg-faq__icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        border: 1px solid var(--stg-border);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.75rem;
        color: var(--stg-text-muted);
        transition: all var(--stg-transition);
    }
    .stg-faq__item.is-open .stg-faq__icon {
        transform: rotate(45deg);
        background: var(--stg-secondary);
        color: #1a2126;
        border-color: var(--stg-secondary);
    }
    .stg-faq__body {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    .stg-faq__item.is-open .stg-faq__body {
        max-height: 260px;
    }
    .stg-faq__body-inner {
        padding: 0 22px 22px;
        font-size: 0.95rem;
        color: var(--stg-text-muted);
        line-height: 1.85;
    }
    .stg-footer {
        background: var(--stg-primary-800);
        color: #b8c0c7;
        padding: 52px 0 28px;
    }
    .stg-footer__grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1fr;
        gap: 36px;
        margin-bottom: 36px;
    }
    .stg-footer__brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.15rem;
        font-weight: 700;
        color: #f6f2ea;
        margin-bottom: 12px;
    }
    .stg-footer__desc {
        font-size: 0.92rem;
        line-height: 1.85;
        color: #aab4bb;
        margin: 0;
        max-width: 340px;
    }
    .stg-footer__col-title {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--stg-secondary-soft);
        margin: 0 0 16px;
        letter-spacing: 0.06em;
    }
    .stg-footer__list {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .stg-footer__list li {
        margin-bottom: 10px;
    }
    .stg-footer__link {
        color: #b8c0c7;
        font-size: 0.92rem;
        transition: color var(--stg-transition);
    }
    .stg-footer__link:hover {
        color: var(--stg-secondary);
    }
    .stg-footer__bottom {
        border-top: 1px solid rgba(246, 242, 234, 0.1);
        padding-top: 22px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
    }
    .stg-footer__info {
        font-size: 0.82rem;
        color: #8a939a;
        line-height: 1.7;
    }
    .stg-footer__domain {
        font-size: 0.82rem;
        color: #8a939a;
        letter-spacing: 0.04em;
    }
    @media (max-width: 1024px) {
        .stg-grid--3col,
        .stg-grid--4col {
            grid-template-columns: repeat(2, 1fr);
        }
        .stg-footer__grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
    }
    @media (max-width: 768px) {
        .stg-header__inner {
            flex-wrap: wrap;
        }
        .stg-nav {
            order: 3;
            width: 100%;
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
            display: none;
        }
        .stg-nav.is-open {
            display: flex;
        }
        .stg-nav__list {
            flex-direction: column;
            gap: 2px;
        }
        .stg-nav__link {
            padding: 10px 16px;
            width: 100%;
        }
        .stg-header__cta {
            margin-left: auto;
        }
        .stg-nav-toggle {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .stg-hero__inner {
            padding: 44px 0 40px;
        }
        .stg-hero__title {
            font-size: 1.8rem;
        }
        .stg-hero__lead {
            font-size: 0.98rem;
        }
        .stg-grid--3col,
        .stg-grid--2col,
        .stg-grid--4col {
            grid-template-columns: 1fr;
        }
        .stg-footer__grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .stg-section {
            padding-top: var(--stg-gap-section-mobile);
            padding-bottom: var(--stg-gap-section-mobile);
        }
        .stg-biz-card {
            padding: 16px 18px;
        }
        .stg-biz-card__icon {
            width: 40px;
            height: 40px;
            font-size: 1.1rem;
        }
    }
    @media (max-width: 520px) {
        .stg-header__cta {
            display: none;
        }
        .stg-header__inner {
            justify-content: space-between;
        }
        .stg-hero__meta {
            gap: 8px;
        }
        .stg-btn {
            padding: 12px 22px;
            font-size: 0.92rem;
        }
        .stg-card__img {
            height: 170px;
        }
    }

/* roulang page: category1 */
:root {
            --stg-primary: #1a2126;
            --stg-primary-700: #232d35;
            --stg-primary-800: #0f151a;
            --stg-secondary: #c9a962;
            --stg-secondary-hover: #b08f4d;
            --stg-secondary-soft: #dcbf87;
            --stg-bg: #f6f3ed;
            --stg-bg-warm: #efe9df;
            --stg-card: #ffffff;
            --stg-text: #1d262b;
            --stg-text-muted: #6b7379;
            --stg-text-light: #aab4bb;
            --stg-border: #d9d2c5;
            --stg-radius-sm: 8px;
            --stg-radius-md: 12px;
            --stg-radius-lg: 18px;
            --stg-shadow-sm: 0 2px 14px rgba(18, 27, 33, 0.06);
            --stg-shadow-md: 0 10px 30px rgba(18, 27, 33, 0.10);
            --stg-shadow-lg: 0 20px 50px rgba(18, 27, 33, 0.16);
            --stg-transition: 0.22s ease;
            --stg-font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --stg-line-height: 1.9;
            --stg-gap-section: 80px;
            --stg-gap-section-mobile: 52px;
            --stg-max-width: 1180px;
        }
        :root {
            --stg-gap-section: 60px;
        }
        /* roulang page: group-profile */

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--stg-font);
            background: var(--stg-bg);
            color: var(--stg-text);
            line-height: var(--stg-line-height);
            margin: 0;
            padding: 0;
            font-size: 16px;
            letter-spacing: 0.015em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--stg-text);
            text-decoration: none;
            transition: color var(--stg-transition);
        }
        a:hover {
            color: var(--stg-secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--stg-font);
            letter-spacing: 0.015em;
        }
        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--stg-secondary);
            outline-offset: 3px;
        }
        .stg-container {
            max-width: var(--stg-max-width);
            margin: 0 auto;
            padding-left: 22px;
            padding-right: 22px;
        }
        .stg-section {
            padding-top: var(--stg-gap-section);
            padding-bottom: var(--stg-gap-section);
        }
        .stg-section--alt {
            background: var(--stg-bg-warm);
        }
        .stg-section--dark {
            background: var(--stg-primary);
            color: #f0ede6;
        }
        .stg-section--dark .stg-section__lead {
            color: #cfd6db;
        }
        .stg-section__head {
            max-width: 780px;
            margin-bottom: 36px;
        }
        .stg-section__title {
            font-size: clamp(1.6rem, 2.8vw, 2.1rem);
            font-weight: 700;
            line-height: 1.45;
            margin: 0 0 14px;
            color: var(--stg-text);
        }
        .stg-section--dark .stg-section__title {
            color: #f6f2ea;
        }
        .stg-section__lead {
            font-size: 1rem;
            line-height: 1.95;
            color: var(--stg-text-muted);
            margin: 0;
        }
        .stg-section--dark .stg-section__lead {
            color: #b8c0c7;
        }
        .stg-eyebrow {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.16em;
            color: var(--stg-secondary);
            text-transform: uppercase;
            margin-bottom: 12px;
            position: relative;
        }
        .stg-eyebrow::after {
            content: '';
            display: inline-block;
            width: 34px;
            height: 1px;
            background: var(--stg-secondary);
            vertical-align: middle;
            margin-left: 12px;
        }
        .stg-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.5;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--stg-transition);
            text-align: center;
            -webkit-tap-highlight-color: transparent;
        }
        .stg-btn--primary {
            background: var(--stg-secondary);
            color: #1a2126;
            border-color: var(--stg-secondary);
        }
        .stg-btn--primary:hover {
            background: var(--stg-secondary-hover);
            border-color: var(--stg-secondary-hover);
            color: #1a2126;
            transform: translateY(-2px);
            box-shadow: var(--stg-shadow-md);
        }
        .stg-btn--primary:active {
            transform: translateY(0);
            box-shadow: var(--stg-shadow-sm);
        }
        .stg-btn--ghost {
            background: transparent;
            color: #f6f2ea;
            border-color: rgba(246, 242, 234, 0.55);
        }
        .stg-btn--ghost:hover {
            background: rgba(246, 242, 234, 0.12);
            border-color: #f6f2ea;
            color: #fff;
            transform: translateY(-2px);
        }
        .stg-btn--ghost:active {
            transform: translateY(0);
        }
        .stg-btn--sm {
            padding: 10px 20px;
            font-size: 0.92rem;
        }
        .stg-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 500;
            line-height: 1.5;
            background: rgba(201, 169, 98, 0.12);
            color: #8a6d3b;
            border: 1px solid rgba(201, 169, 98, 0.28);
        }
        .stg-card {
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            box-shadow: var(--stg-shadow-sm);
            border: 1px solid var(--stg-border);
            transition: all var(--stg-transition);
            overflow: hidden;
        }
        .stg-card:hover {
            box-shadow: var(--stg-shadow-md);
            border-color: #cdbfa2;
            transform: translateY(-3px);
        }
        .stg-card__body {
            padding: 24px;
        }
        .stg-card__title {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0 0 10px;
            color: var(--stg-text);
        }
        .stg-card__text {
            font-size: 0.95rem;
            line-height: 1.85;
            color: var(--stg-text-muted);
            margin: 0;
        }
        .stg-card__icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(201, 169, 98, 0.14);
            color: #8a6d3b;
            font-size: 1.2rem;
            margin-bottom: 14px;
        }
        .stg-card__image {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
        }

        /* Header & Navigation */
        .stg-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: linear-gradient(135deg, #1a2126 0%, #232d35 55%, #2c363e 100%);
            border-bottom: 1px solid rgba(201, 169, 98, 0.25);
            box-shadow: 0 4px 18px rgba(18, 27, 33, 0.28);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
        }
        .stg-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 68px;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .stg-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .stg-logo__mark {
            width: 40px;
            height: 40px;
            border-radius: 11px;
            background: var(--stg-secondary);
            color: #1a2126;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: 0.05em;
        }
        .stg-logo__text {
            font-size: 1.18rem;
            font-weight: 700;
            color: #f6f2ea;
            line-height: 1.3;
            letter-spacing: 0.04em;
        }
        .stg-logo__text small {
            display: block;
            font-size: 0.68rem;
            font-weight: 400;
            color: #9aa2a8;
            letter-spacing: 0.08em;
            margin-top: 1px;
        }
        .stg-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .stg-nav__list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .stg-nav__item {
            position: relative;
        }
        .stg-nav__link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.93rem;
            font-weight: 500;
            color: #d5dadd;
            border-radius: 30px;
            transition: all var(--stg-transition);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .stg-nav__link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .stg-nav__link.is-active {
            background: rgba(201, 169, 98, 0.16);
            color: #f0d9a8;
            font-weight: 600;
            position: relative;
        }
        .stg-nav__link.is-active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 2px;
            background: var(--stg-secondary);
            border-radius: 2px;
        }
        .stg-header__cta {
            flex-shrink: 0;
        }
        .stg-nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 8px;
            color: #f6f2ea;
            font-size: 1.4rem;
            padding: 6px 12px;
            cursor: pointer;
            transition: all var(--stg-transition);
        }
        .stg-nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Breadcrumb */
        .stg-breadcrumb {
            font-size: 0.85rem;
            color: var(--stg-text-muted);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .stg-breadcrumb a {
            color: var(--stg-secondary);
            transition: color var(--stg-transition);
        }
        .stg-breadcrumb a:hover {
            color: var(--stg-secondary-hover);
        }
        .stg-breadcrumb span {
            color: #aab4bb;
        }
        .stg-breadcrumb .current {
            color: #818a91;
            font-weight: 500;
        }

        /* Hero - category */
        .stg-hero-cat {
            background: linear-gradient(150deg, #1a2126 0%, #1f2a31 45%, #2b353d 100%);
            color: #f6f2ea;
            padding: 72px 0 76px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(201, 169, 98, 0.22);
        }
        .stg-hero-cat::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(201, 169, 98, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .stg-hero-cat::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(201, 169, 98, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .stg-hero-cat__inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }
        .stg-hero-cat__title {
            font-size: clamp(2rem, 4vw, 2.9rem);
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 18px;
            color: #f6f2ea;
            letter-spacing: 0.02em;
        }
        .stg-hero-cat__subtitle {
            font-size: 1.05rem;
            line-height: 2;
            color: #c3ccd2;
            max-width: 620px;
            margin: 0 0 26px;
        }
        .stg-hero-cat__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 8px;
        }
        .stg-hero-cat__visual {
            position: relative;
            border-radius: var(--stg-radius-lg);
            overflow: hidden;
            box-shadow: var(--stg-shadow-lg);
            border: 1px solid rgba(201, 169, 98, 0.3);
        }
        .stg-hero-cat__visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
            filter: saturate(0.85) contrast(1.02);
        }
        .stg-hero-cat__visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 33, 38, 0.25);
            pointer-events: none;
        }
        .stg-hero-cat__badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            z-index: 2;
            background: rgba(26, 33, 38, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(201, 169, 98, 0.4);
            border-radius: 10px;
            padding: 10px 16px;
            font-size: 0.85rem;
            color: #f0d9a8;
            font-weight: 500;
        }

        /* Overview section */
        .stg-overview-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 44px;
            align-items: start;
        }
        .stg-overview-text p {
            font-size: 1rem;
            line-height: 2.05;
            color: #4a545b;
            margin: 0 0 16px;
        }
        .stg-overview-text p:last-child {
            margin-bottom: 0;
        }
        .stg-overview-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .stg-mini-stat {
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            box-shadow: var(--stg-shadow-sm);
            border: 1px solid var(--stg-border);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--stg-transition);
        }
        .stg-mini-stat:hover {
            box-shadow: var(--stg-shadow-md);
            transform: translateY(-2px);
        }
        .stg-mini-stat__icon {
            width: 38px;
            height: 38px;
            border-radius: 9px;
            background: rgba(201, 169, 98, 0.14);
            color: #8a6d3b;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .stg-mini-stat__label {
            font-size: 0.82rem;
            color: var(--stg-text-muted);
            line-height: 1.4;
        }
        .stg-mini-stat__value {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--stg-text);
            line-height: 1.3;
        }

        /* Subject list cards */
        .stg-subject-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }
        .stg-subject-card {
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            box-shadow: var(--stg-shadow-sm);
            border: 1px solid var(--stg-border);
            padding: 26px 24px;
            transition: all var(--stg-transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .stg-subject-card:hover {
            box-shadow: var(--stg-shadow-md);
            border-color: #cdbfa2;
            transform: translateY(-3px);
        }
        .stg-subject-card__head {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
        }
        .stg-subject-card__icon {
            width: 46px;
            height: 46px;
            border-radius: 11px;
            background: rgba(201, 169, 98, 0.13);
            color: #8a6d3b;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .stg-subject-card__tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: #8a6d3b;
            background: rgba(201, 169, 98, 0.14);
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }
        .stg-subject-card__title {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0;
            color: var(--stg-text);
        }
        .stg-subject-card__text {
            font-size: 0.93rem;
            line-height: 1.85;
            color: var(--stg-text-muted);
            margin: 0;
        }

        /* Data band */
        .stg-data-band {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stg-data-item {
            text-align: center;
            padding: 28px 18px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--stg-radius-md);
            border: 1px solid rgba(201, 169, 98, 0.2);
            transition: all var(--stg-transition);
        }
        .stg-data-item:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(201, 169, 98, 0.4);
            transform: translateY(-3px);
        }
        .stg-data-item__number {
            font-size: 2.1rem;
            font-weight: 800;
            color: #f0d9a8;
            line-height: 1.3;
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }
        .stg-data-item__label {
            font-size: 0.9rem;
            color: #c3ccd2;
            line-height: 1.6;
        }

        /* Governance section */
        .stg-govern-grid {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 44px;
            align-items: center;
        }
        .stg-govern-visual {
            border-radius: var(--stg-radius-lg);
            overflow: hidden;
            box-shadow: var(--stg-shadow-md);
            border: 1px solid var(--stg-border);
        }
        .stg-govern-visual img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .stg-govern-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .stg-govern-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 18px;
            background: var(--stg-card);
            border-radius: var(--stg-radius-sm);
            border-left: 3px solid var(--stg-secondary);
            box-shadow: var(--stg-shadow-sm);
            font-size: 0.95rem;
            line-height: 1.8;
            color: #4a545b;
        }
        .stg-govern-list li i {
            color: var(--stg-secondary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Timeline */
        .stg-timeline {
            position: relative;
            padding-left: 32px;
            max-width: 760px;
        }
        .stg-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(180deg, var(--stg-secondary) 0%, rgba(201, 169, 98, 0.25) 100%);
            border-radius: 2px;
        }
        .stg-timeline__item {
            position: relative;
            padding: 0 0 28px 22px;
        }
        .stg-timeline__item:last-child {
            padding-bottom: 0;
        }
        .stg-timeline__item::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--stg-secondary);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(201, 169, 98, 0.18);
            border: 2px solid #f6f3ed;
        }
        .stg-timeline__label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--stg-secondary);
            letter-spacing: 0.08em;
            margin-bottom: 4px;
        }
        .stg-timeline__title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0 0 6px;
            color: var(--stg-text);
        }
        .stg-timeline__text {
            font-size: 0.93rem;
            line-height: 1.85;
            color: var(--stg-text-muted);
            margin: 0;
        }

        /* Global layout */
        .stg-global-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 44px;
            align-items: start;
        }
        .stg-global-visual {
            border-radius: var(--stg-radius-lg);
            overflow: hidden;
            box-shadow: var(--stg-shadow-md);
            border: 1px solid var(--stg-border);
        }
        .stg-global-visual img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .stg-global-regions {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 14px;
        }
        .stg-region-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--stg-card);
            border-radius: 30px;
            border: 1px solid var(--stg-border);
            font-size: 0.85rem;
            font-weight: 500;
            color: #4a545b;
            transition: all var(--stg-transition);
            box-shadow: var(--stg-shadow-sm);
        }
        .stg-region-tag:hover {
            border-color: var(--stg-secondary);
            color: var(--stg-secondary);
            transform: translateY(-2px);
        }
        .stg-region-tag i {
            color: var(--stg-secondary);
            font-size: 0.8rem;
        }

        /* Org culture */
        .stg-culture-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        .stg-culture-card {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 20px 22px;
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            border: 1px solid var(--stg-border);
            box-shadow: var(--stg-shadow-sm);
            transition: all var(--stg-transition);
        }
        .stg-culture-card:hover {
            box-shadow: var(--stg-shadow-md);
            transform: translateY(-2px);
            border-color: #cdbfa2;
        }
        .stg-culture-card__icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(201, 169, 98, 0.12);
            color: #8a6d3b;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            flex-shrink: 0;
        }
        .stg-culture-card__title {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0 0 4px;
            color: var(--stg-text);
        }
        .stg-culture-card__text {
            font-size: 0.88rem;
            line-height: 1.75;
            color: var(--stg-text-muted);
            margin: 0;
        }

        /* FAQ */
        .stg-faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 820px;
        }
        .stg-faq-item {
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            border: 1px solid var(--stg-border);
            box-shadow: var(--stg-shadow-sm);
            overflow: hidden;
            transition: all var(--stg-transition);
        }
        .stg-faq-item.is-open {
            border-color: #cdbfa2;
            box-shadow: var(--stg-shadow-md);
        }
        .stg-faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 18px 22px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--stg-text);
            line-height: 1.6;
            text-align: left;
            transition: all var(--stg-transition);
            letter-spacing: 0.02em;
        }
        .stg-faq-question:hover {
            color: var(--stg-secondary);
        }
        .stg-faq-question i {
            font-size: 0.9rem;
            color: var(--stg-secondary);
            transition: transform var(--stg-transition);
            flex-shrink: 0;
        }
        .stg-faq-item.is-open .stg-faq-question i {
            transform: rotate(180deg);
        }
        .stg-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        .stg-faq-item.is-open .stg-faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        .stg-faq-answer p {
            font-size: 0.93rem;
            line-height: 1.9;
            color: var(--stg-text-muted);
            margin: 0;
        }

        /* CTA panel */
        .stg-cta-panel {
            background: linear-gradient(145deg, #1a2126 0%, #2a343c 55%, #1f2a31 100%);
            border-radius: var(--stg-radius-lg);
            padding: 52px 48px;
            color: #f6f2ea;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            border: 1px solid rgba(201, 169, 98, 0.3);
            box-shadow: var(--stg-shadow-lg);
        }
        .stg-cta-panel__title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 14px;
            color: #f6f2ea;
        }
        .stg-cta-panel__text {
            font-size: 1rem;
            line-height: 1.95;
            color: #c3ccd2;
            max-width: 680px;
            margin: 0 0 26px;
        }
        .stg-cta-panel__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        /* Category entry */
        .stg-cat-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stg-cat-entry {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            border: 1px solid var(--stg-border);
            box-shadow: var(--stg-shadow-sm);
            transition: all var(--stg-transition);
            color: var(--stg-text);
        }
        .stg-cat-entry:hover {
            box-shadow: var(--stg-shadow-md);
            border-color: #cdbfa2;
            transform: translateY(-3px);
            color: var(--stg-text);
        }
        .stg-cat-entry__icon {
            width: 36px;
            height: 36px;
            border-radius: 9px;
            background: rgba(201, 169, 98, 0.12);
            color: #8a6d3b;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .stg-cat-entry__title {
            font-size: 0.93rem;
            font-weight: 600;
            line-height: 1.4;
        }
        .stg-cat-entry__desc {
            font-size: 0.78rem;
            color: var(--stg-text-muted);
            line-height: 1.5;
        }

        /* Footer */
        .stg-footer {
            background: var(--stg-primary);
            color: #d5dadd;
            padding: 56px 0 0;
            border-top: 1px solid rgba(201, 169, 98, 0.25);
            margin-top: 0;
        }
        .stg-footer__grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
        }
        .stg-footer__brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            color: #f6f2ea;
            margin-bottom: 14px;
        }
        .stg-footer__desc {
            font-size: 0.9rem;
            line-height: 1.85;
            color: #aab4bb;
            margin: 0;
            max-width: 360px;
        }
        .stg-footer__col-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: #f0d9a8;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin: 0 0 16px;
        }
        .stg-footer__list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .stg-footer__link {
            font-size: 0.92rem;
            color: #c3ccd2;
            transition: color var(--stg-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .stg-footer__link:hover {
            color: #f0d9a8;
        }
        .stg-footer__link i {
            font-size: 0.7rem;
            color: var(--stg-secondary);
        }
        .stg-footer__bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.82rem;
            color: #818a91;
        }
        .stg-footer__info {
            line-height: 1.7;
            max-width: 640px;
        }
        .stg-footer__domain {
            font-size: 0.82rem;
            color: #818a91;
            letter-spacing: 0.05em;
            white-space: nowrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stg-hero-cat__inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .stg-hero-cat__visual {
                max-width: 560px;
                margin: 0 auto;
            }
            .stg-overview-grid,
            .stg-govern-grid,
            .stg-global-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .stg-data-band {
                grid-template-columns: repeat(2, 1fr);
            }
            .stg-cat-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stg-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .stg-header__inner {
                flex-wrap: wrap;
                gap: 10px;
                padding-top: 12px;
                padding-bottom: 12px;
            }
            .stg-nav {
                flex-basis: 100%;
                order: 3;
                display: none;
                background: rgba(26, 33, 38, 0.97);
                border-radius: var(--stg-radius-sm);
                padding: 10px;
                border: 1px solid rgba(201, 169, 98, 0.2);
            }
            .stg-nav.is-open {
                display: flex;
                flex-direction: column;
                align-items: stretch;
            }
            .stg-nav__list {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 2px;
            }
            .stg-nav__link {
                display: block;
                padding: 10px 16px;
                width: 100%;
                border-radius: 6px;
            }
            .stg-nav__link.is-active::after {
                display: none;
            }
            .stg-header__cta {
                display: none;
            }
            .stg-nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .stg-hero-cat {
                padding: 44px 0 52px;
            }
            .stg-hero-cat__title {
                font-size: 1.7rem;
            }
            .stg-hero-cat__actions {
                flex-direction: column;
                gap: 10px;
            }
            .stg-hero-cat__actions .stg-btn {
                width: 100%;
            }
            .stg-subject-grid,
            .stg-culture-grid {
                grid-template-columns: 1fr;
            }
            .stg-data-band {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stg-data-item {
                padding: 20px 12px;
            }
            .stg-data-item__number {
                font-size: 1.6rem;
            }
            .stg-cat-entry-grid {
                grid-template-columns: 1fr;
            }
            .stg-cta-panel {
                padding: 36px 24px;
            }
            .stg-footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .stg-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .stg-section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .stg-breadcrumb {
                font-size: 0.78rem;
                margin-bottom: 12px;
            }
        }
        @media (max-width: 520px) {
            .stg-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .stg-hero-cat__title {
                font-size: 1.45rem;
            }
            .stg-hero-cat__subtitle {
                font-size: 0.95rem;
            }
            .stg-data-band {
                grid-template-columns: 1fr 1fr;
            }
            .stg-data-item__number {
                font-size: 1.4rem;
            }
            .stg-data-item__label {
                font-size: 0.8rem;
            }
            .stg-timeline {
                padding-left: 22px;
            }
            .stg-timeline__item {
                padding-left: 14px;
            }
            .stg-timeline__item::before {
                left: -26px;
                width: 12px;
                height: 12px;
            }
            .stg-timeline::before {
                left: 6px;
            }
        }

/* roulang page: category3 */
:root {
        --stg-primary: #1a2126;
        --stg-primary-700: #232d35;
        --stg-primary-800: #0f151a;
        --stg-secondary: #c9a962;
        --stg-secondary-hover: #b08f4d;
        --stg-secondary-soft: #dcbf87;
        --stg-bg: #f6f3ed;
        --stg-bg-warm: #efe9df;
        --stg-card: #ffffff;
        --stg-text: #1d262b;
        --stg-text-muted: #6b7379;
        --stg-text-light: #aab4bb;
        --stg-border: #d9d2c5;
        --stg-radius-sm: 8px;
        --stg-radius-md: 12px;
        --stg-radius-lg: 18px;
        --stg-shadow-sm: 0 2px 14px rgba(18, 27, 33, 0.06);
        --stg-shadow-md: 0 10px 30px rgba(18, 27, 33, 0.10);
        --stg-shadow-lg: 0 20px 50px rgba(18, 27, 33, 0.16);
        --stg-transition: 0.22s ease;
        --stg-font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
        --stg-line-height: 1.9;
        --stg-gap-section: 60px;
        --stg-gap-section-mobile: 52px;
        --stg-max-width: 1180px;
    }

    * {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--stg-font);
        background: var(--stg-bg);
        color: var(--stg-text);
        line-height: var(--stg-line-height);
        margin: 0;
        padding: 0;
        font-size: 16px;
        letter-spacing: 0.015em;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    a {
        color: var(--stg-text);
        text-decoration: none;
        transition: color var(--stg-transition);
    }

    a:hover {
        color: var(--stg-secondary);
    }

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

    button,
    input,
    select,
    textarea {
        font-family: var(--stg-font);
        letter-spacing: 0.015em;
    }

    button:focus,
    a:focus,
    input:focus,
    select:focus,
    textarea:focus {
        outline: 2px solid var(--stg-secondary);
        outline-offset: 3px;
    }

    .stg-container {
        max-width: var(--stg-max-width);
        margin: 0 auto;
        padding-left: 22px;
        padding-right: 22px;
    }

    .stg-section {
        padding-top: var(--stg-gap-section);
        padding-bottom: var(--stg-gap-section);
    }

    .stg-section--alt {
        background: var(--stg-bg-warm);
    }

    .stg-section--dark {
        background: var(--stg-primary);
        color: #f0ede6;
    }

    .stg-section--dark .stg-section__lead {
        color: #cfd6db;
    }

    .stg-section__head {
        max-width: 780px;
        margin-bottom: 36px;
    }

    .stg-section__title {
        font-size: clamp(1.6rem, 2.8vw, 2.1rem);
        font-weight: 700;
        line-height: 1.45;
        margin: 0 0 14px;
        color: var(--stg-text);
    }

    .stg-section--dark .stg-section__title {
        color: #f6f2ea;
    }

    .stg-section__lead {
        font-size: 1rem;
        line-height: 1.95;
        color: var(--stg-text-muted);
        margin: 0;
    }

    .stg-section--dark .stg-section__lead {
        color: #b8c0c7;
    }

    .stg-eyebrow {
        display: inline-block;
        font-size: 0.82rem;
        font-weight: 600;
        letter-spacing: 0.16em;
        color: var(--stg-secondary);
        text-transform: uppercase;
        margin-bottom: 12px;
        position: relative;
    }

    .stg-eyebrow::after {
        content: '';
        display: inline-block;
        width: 34px;
        height: 1px;
        background: var(--stg-secondary);
        vertical-align: middle;
        margin-left: 12px;
    }

    .stg-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 14px 28px;
        border-radius: 40px;
        font-weight: 600;
        font-size: 1rem;
        line-height: 1.5;
        border: 1px solid transparent;
        cursor: pointer;
        transition: all var(--stg-transition);
        text-align: center;
        -webkit-tap-highlight-color: transparent;
    }

    .stg-btn--primary {
        background: var(--stg-secondary);
        color: #1a2126;
        border-color: var(--stg-secondary);
    }

    .stg-btn--primary:hover {
        background: var(--stg-secondary-hover);
        border-color: var(--stg-secondary-hover);
        color: #1a2126;
        transform: translateY(-2px);
        box-shadow: var(--stg-shadow-md);
    }

    .stg-btn--primary:active {
        transform: translateY(0);
        box-shadow: var(--stg-shadow-sm);
    }

    .stg-btn--ghost {
        background: transparent;
        color: #f6f2ea;
        border-color: rgba(246, 242, 234, 0.55);
    }

    .stg-btn--ghost:hover {
        background: rgba(246, 242, 234, 0.12);
        border-color: #f6f2ea;
        color: #fff;
        transform: translateY(-2px);
    }

    .stg-btn--ghost:active {
        transform: translateY(0);
    }

    .stg-btn--sm {
        padding: 10px 20px;
        font-size: 0.92rem;
    }

    .stg-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        border-radius: 30px;
        font-size: 0.82rem;
        font-weight: 500;
        line-height: 1.5;
        background: var(--stg-secondary-soft);
        color: #1a2126;
    }

    /* Header / Nav */
    .stg-header {
        background: linear-gradient(135deg, #1a2126 0%, #2a353d 100%);
        color: #f6f2ea;
        box-shadow: 0 4px 22px rgba(18, 27, 33, 0.12);
        position: sticky;
        top: 0;
        z-index: 100;
        border-bottom: 1px solid rgba(201, 169, 98, 0.25);
    }

    .stg-header__inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 68px;
        gap: 18px;
    }

    .stg-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.25rem;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.05em;
        white-space: nowrap;
    }

    .stg-logo__mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 10px;
        background: var(--stg-secondary);
        color: #1a2126;
        font-weight: 800;
        font-size: 1.1rem;
        flex-shrink: 0;
    }

    .stg-nav {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .stg-nav__list {
        display: flex;
        align-items: center;
        gap: 4px;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .stg-nav__item {
        margin: 0;
    }

    .stg-nav__link {
        display: inline-block;
        padding: 10px 14px;
        border-radius: 30px;
        color: #e5e9ec;
        font-weight: 500;
        font-size: 0.95rem;
        transition: all var(--stg-transition);
        white-space: nowrap;
        position: relative;
    }

    .stg-nav__link:hover {
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
    }

    .stg-nav__link.is-active {
        background: rgba(201, 169, 98, 0.18);
        color: var(--stg-secondary-soft);
        font-weight: 600;
    }

    .stg-nav__link.is-active::after {
        content: '';
        position: absolute;
        left: 14px;
        right: 14px;
        bottom: 4px;
        height: 2px;
        background: var(--stg-secondary);
        border-radius: 2px;
    }

    .stg-header__cta {
        display: flex;
        align-items: center;
        gap: 10px;
        white-space: nowrap;
    }

    .stg-header__toggle {
        display: none;
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.3);
        color: #fff;
        width: 42px;
        height: 42px;
        border-radius: 10px;
        cursor: pointer;
        font-size: 1.2rem;
        align-items: center;
        justify-content: center;
    }

    /* Hero category */
    .stg-cat-hero {
        padding: 70px 0 60px;
        background: linear-gradient(135deg, #1a2126 0%, #2f3b42 55%, #3a464d 100%);
        color: #f6f2ea;
        position: relative;
        overflow: hidden;
        border-bottom: 1px solid rgba(201, 169, 98, 0.2);
    }

    .stg-cat-hero::before {
        content: '';
        position: absolute;
        top: -30%;
        right: -10%;
        width: 600px;
        height: 600px;
        background: radial-gradient(circle, rgba(201, 169, 98, 0.18) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .stg-cat-hero__content {
        position: relative;
        z-index: 2;
        max-width: 820px;
    }

    .stg-cat-hero h1 {
        font-size: clamp(2rem, 4vw, 2.8rem);
        font-weight: 700;
        margin: 0 0 18px;
        line-height: 1.35;
        color: #fff;
        letter-spacing: 0.02em;
    }

    .stg-cat-hero__desc {
        font-size: 1.1rem;
        line-height: 1.95;
        color: #d5dce1;
        margin: 0 0 28px;
        max-width: 720px;
    }

    .stg-cat-hero__meta {
        display: flex;
        flex-wrap: wrap;
        gap: 18px;
        color: #b8c0c7;
        font-size: 0.9rem;
    }

    .stg-cat-hero__meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    /* Insight list */
    .stg-insight-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        margin-top: 10px;
    }

    .stg-insight-card {
        background: var(--stg-card);
        border-radius: var(--stg-radius-lg);
        padding: 28px 26px;
        box-shadow: var(--stg-shadow-sm);
        border: 1px solid var(--stg-border);
        transition: all var(--stg-transition);
        display: flex;
        flex-direction: column;
    }

    .stg-insight-card:hover {
        box-shadow: var(--stg-shadow-md);
        border-color: var(--stg-secondary-soft);
        transform: translateY(-4px);
    }

    .stg-insight-card__tag {
        align-self: flex-start;
        margin-bottom: 14px;
    }

    .stg-insight-card h3 {
        font-size: 1.2rem;
        font-weight: 700;
        margin: 0 0 10px;
        line-height: 1.5;
        color: var(--stg-text);
    }

    .stg-insight-card p {
        margin: 0 0 16px;
        color: var(--stg-text-muted);
        font-size: 0.97rem;
        line-height: 1.9;
        flex-grow: 1;
    }

    .stg-insight-card__link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--stg-secondary);
        font-weight: 600;
        font-size: 0.92rem;
        transition: all var(--stg-transition);
    }

    .stg-insight-card__link:hover {
        color: var(--stg-secondary-hover);
        gap: 10px;
    }

    /* Trend analysis */
    .stg-trend-block {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 40px;
        align-items: center;
    }

    .stg-trend-visual {
        border-radius: var(--stg-radius-lg);
        overflow: hidden;
        box-shadow: var(--stg-shadow-md);
        background: var(--stg-card);
        border: 1px solid var(--stg-border);
    }

    .stg-trend-visual img {
        width: 100%;
        height: 300px;
        object-fit: cover;
    }

    .stg-trend-content h3 {
        font-size: 1.5rem;
        font-weight: 700;
        margin: 0 0 16px;
        line-height: 1.4;
    }

    .stg-trend-content p {
        color: var(--stg-text-muted);
        margin: 0 0 20px;
        line-height: 2;
    }

    .stg-trend-list {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .stg-trend-list li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        color: var(--stg-text);
    }

    .stg-trend-list i {
        color: var(--stg-secondary);
        margin-top: 5px;
        flex-shrink: 0;
    }

    /* Methodology steps */
    .stg-method-steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        counter-reset: step;
    }

    .stg-method-step {
        background: var(--stg-card);
        border-radius: var(--stg-radius-md);
        padding: 24px 20px;
        box-shadow: var(--stg-shadow-sm);
        border: 1px solid var(--stg-border);
        position: relative;
        transition: all var(--stg-transition);
    }

    .stg-method-step:hover {
        transform: translateY(-4px);
        box-shadow: var(--stg-shadow-md);
    }

    .stg-method-step__num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: var(--stg-secondary);
        color: #1a2126;
        font-weight: 800;
        font-size: 1.1rem;
        margin-bottom: 16px;
    }

    .stg-method-step h3 {
        font-size: 1.05rem;
        font-weight: 700;
        margin: 0 0 10px;
        line-height: 1.5;
    }

    .stg-method-step p {
        color: var(--stg-text-muted);
        font-size: 0.92rem;
        margin: 0;
        line-height: 1.85;
    }

    /* Data metrics */
    .stg-metrics-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .stg-metric-card {
        background: transparent;
        border: 1px solid rgba(201, 169, 98, 0.35);
        border-radius: var(--stg-radius-md);
        padding: 26px 20px;
        text-align: center;
        color: #f6f2ea;
        transition: all var(--stg-transition);
    }

    .stg-metric-card:hover {
        background: rgba(255, 255, 255, 0.05);
        border-color: var(--stg-secondary);
    }

    .stg-metric-card__value {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--stg-secondary-soft);
        line-height: 1.2;
        margin-bottom: 8px;
    }

    .stg-metric-card__label {
        font-size: 0.95rem;
        color: #cfd6db;
        line-height: 1.6;
    }

    /* Scenario tags */
    .stg-scene-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }

    .stg-scene-tag {
        display: inline-flex;
        flex-direction: column;
        gap: 4px;
        background: var(--stg-card);
        border: 1px solid var(--stg-border);
        border-radius: 30px;
        padding: 14px 22px;
        box-shadow: var(--stg-shadow-sm);
        transition: all var(--stg-transition);
    }

    .stg-scene-tag:hover {
        border-color: var(--stg-secondary-soft);
        transform: translateY(-2px);
    }

    .stg-scene-tag strong {
        font-size: 0.98rem;
        font-weight: 700;
        color: var(--stg-text);
    }

    .stg-scene-tag span {
        font-size: 0.84rem;
        color: var(--stg-text-muted);
    }

    /* FAQ */
    .stg-faq-item {
        background: var(--stg-card);
        border: 1px solid var(--stg-border);
        border-radius: var(--stg-radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        transition: all var(--stg-transition);
    }

    .stg-faq-item:hover {
        border-color: var(--stg-secondary-soft);
    }

    .stg-faq-question {
        padding: 18px 24px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        font-weight: 600;
        font-size: 1rem;
        line-height: 1.6;
        color: var(--stg-text);
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
        transition: all var(--stg-transition);
    }

    .stg-faq-question:hover {
        color: var(--stg-secondary);
    }

    .stg-faq-question i {
        color: var(--stg-secondary);
        font-size: 0.95rem;
        transition: transform var(--stg-transition);
        flex-shrink: 0;
    }

    .stg-faq-item.open .stg-faq-question i {
        transform: rotate(180deg);
    }

    .stg-faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
        padding: 0 24px;
        color: var(--stg-text-muted);
        line-height: 1.9;
    }

    .stg-faq-item.open .stg-faq-answer {
        max-height: 300px;
        padding: 0 24px 20px;
    }

    /* CTA */
    .stg-cta-panel {
        background: linear-gradient(135deg, #1a2126 0%, #2f3b42 100%);
        border-radius: var(--stg-radius-lg);
        padding: 50px 40px;
        color: #f6f2ea;
        text-align: center;
        box-shadow: var(--stg-shadow-lg);
        border: 1px solid rgba(201, 169, 98, 0.3);
    }

    .stg-cta-panel h2 {
        font-size: 1.8rem;
        font-weight: 700;
        margin: 0 0 16px;
        color: #fff;
        line-height: 1.4;
    }

    .stg-cta-panel p {
        color: #cfd6db;
        margin: 0 auto 28px;
        max-width: 600px;
        line-height: 1.9;
    }

    .stg-cta-panel__actions {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
    }

    /* Footer */
    .stg-footer {
        background: #0f151a;
        color: #cfd6db;
        padding: 60px 0 30px;
        border-top: 1px solid rgba(201, 169, 98, 0.25);
        margin-top: 0;
    }

    .stg-footer__grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }

    .stg-footer__brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.2rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
    }

    .stg-footer__desc {
        color: #aab4bb;
        font-size: 0.92rem;
        line-height: 1.85;
        margin: 0;
        max-width: 320px;
    }

    .stg-footer__col-title {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--stg-secondary-soft);
        margin: 0 0 16px;
        letter-spacing: 0.08em;
    }

    .stg-footer__list {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .stg-footer__list li {
        margin: 0;
    }

    .stg-footer__link {
        color: #aab4bb;
        font-size: 0.92rem;
        transition: color var(--stg-transition);
    }

    .stg-footer__link:hover {
        color: var(--stg-secondary-soft);
    }

    .stg-footer__bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 24px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        font-size: 0.84rem;
        color: #8b9398;
    }

    .stg-footer__info {
        line-height: 1.7;
    }

    .stg-footer__domain {
        color: #6b7379;
        letter-spacing: 0.04em;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .stg-header__inner {
            flex-wrap: wrap;
        }
        .stg-nav__list {
            gap: 0;
        }
        .stg-nav__link {
            padding: 8px 10px;
            font-size: 0.88rem;
        }
        .stg-trend-block {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .stg-method-steps {
            grid-template-columns: repeat(2, 1fr);
        }
        .stg-metrics-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .stg-footer__grid {
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
    }

    @media (max-width: 768px) {
        :root {
            --stg-gap-section: 44px;
        }
        .stg-header__inner {
            min-height: 60px;
        }
        .stg-header__toggle {
            display: flex;
        }
        .stg-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #1a2126;
            flex-direction: column;
            align-items: stretch;
            padding: 16px 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 18px 40px rgba(0,0,0,0.3);
        }
        .stg-nav.open {
            display: flex;
        }
        .stg-nav__list {
            flex-direction: column;
            align-items: stretch;
            gap: 6px;
            width: 100%;
        }
        .stg-nav__link {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 1rem;
        }
        .stg-header__cta {
            padding-top: 14px;
            justify-content: flex-start;
        }
        .stg-cat-hero {
            padding: 48px 0 40px;
        }
        .stg-insight-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .stg-method-steps {
            grid-template-columns: 1fr;
            gap: 14px;
        }
        .stg-metrics-grid {
            grid-template-columns: 1fr;
            gap: 14px;
        }
        .stg-cta-panel {
            padding: 36px 22px;
        }
        .stg-footer__grid {
            grid-template-columns: 1fr;
            gap: 26px;
        }
        .stg-section__title {
            font-size: 1.4rem;
        }
    }

    @media (max-width: 520px) {
        .stg-container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .stg-header__cta .stg-btn {
            padding: 8px 16px;
            font-size: 0.85rem;
        }
        .stg-cat-hero h1 {
            font-size: 1.7rem;
        }
        .stg-cat-hero__desc {
            font-size: 1rem;
        }
        .stg-trend-visual img {
            height: 200px;
        }
        .stg-scene-tag {
            padding: 10px 16px;
        }
        .stg-cta-panel h2 {
            font-size: 1.4rem;
        }
    }

/* roulang page: category4 */
:root {
            --stg-primary: #1a2126;
            --stg-primary-700: #232d35;
            --stg-primary-800: #0f151a;
            --stg-secondary: #c9a962;
            --stg-secondary-hover: #b08f4d;
            --stg-secondary-soft: #dcbf87;
            --stg-bg: #f6f3ed;
            --stg-bg-warm: #efe9df;
            --stg-card: #ffffff;
            --stg-text: #1d262b;
            --stg-text-muted: #6b7379;
            --stg-text-light: #aab4bb;
            --stg-border: #d9d2c5;
            --stg-radius-sm: 8px;
            --stg-radius-md: 12px;
            --stg-radius-lg: 18px;
            --stg-shadow-sm: 0 2px 14px rgba(18, 27, 33, 0.06);
            --stg-shadow-md: 0 10px 30px rgba(18, 27, 33, 0.10);
            --stg-shadow-lg: 0 20px 50px rgba(18, 27, 33, 0.16);
            --stg-transition: 0.22s ease;
            --stg-font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            --stg-line-height: 1.9;
            --stg-gap-section: 60px;
            --stg-gap-section-mobile: 42px;
            --stg-max-width: 1180px;
            --stg-header-bg: linear-gradient(135deg, #1a2126 0%, #232d35 55%, #1a2126 100%);
            --stg-nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--stg-font);
            background: var(--stg-bg);
            color: var(--stg-text);
            line-height: var(--stg-line-height);
            margin: 0;
            padding: 0;
            font-size: 16px;
            letter-spacing: 0.015em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--stg-text);
            text-decoration: none;
            transition: color var(--stg-transition);
        }
        a:hover {
            color: var(--stg-secondary);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--stg-font);
            letter-spacing: 0.015em;
        }

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--stg-secondary);
            outline-offset: 3px;
        }

        .stg-container {
            max-width: var(--stg-max-width);
            margin: 0 auto;
            padding-left: 22px;
            padding-right: 22px;
        }

        .stg-section {
            padding-top: var(--stg-gap-section);
            padding-bottom: var(--stg-gap-section);
        }
        .stg-section--alt {
            background: var(--stg-bg-warm);
        }
        .stg-section--dark {
            background: var(--stg-primary);
            color: #f0ede6;
        }
        .stg-section--dark .stg-section__lead {
            color: #cfd6db;
        }

        .stg-section__head {
            max-width: 780px;
            margin-bottom: 36px;
        }
        .stg-section__title {
            font-size: clamp(1.6rem, 2.8vw, 2.1rem);
            font-weight: 700;
            line-height: 1.45;
            margin: 0 0 14px;
            color: var(--stg-text);
        }
        .stg-section--dark .stg-section__title {
            color: #f6f2ea;
        }
        .stg-section__lead {
            font-size: 1rem;
            line-height: 1.95;
            color: var(--stg-text-muted);
            margin: 0;
        }
        .stg-section--dark .stg-section__lead {
            color: #b8c0c7;
        }

        .stg-eyebrow {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.16em;
            color: var(--stg-secondary);
            text-transform: uppercase;
            margin-bottom: 12px;
            position: relative;
        }
        .stg-eyebrow::after {
            content: '';
            display: inline-block;
            width: 34px;
            height: 1px;
            background: var(--stg-secondary);
            vertical-align: middle;
            margin-left: 12px;
        }

        .stg-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.5;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--stg-transition);
            text-align: center;
            -webkit-tap-highlight-color: transparent;
            background: transparent;
        }
        .stg-btn--primary {
            background: var(--stg-secondary);
            color: #1a2126;
            border-color: var(--stg-secondary);
        }
        .stg-btn--primary:hover {
            background: var(--stg-secondary-hover);
            border-color: var(--stg-secondary-hover);
            color: #1a2126;
            transform: translateY(-2px);
            box-shadow: var(--stg-shadow-md);
        }
        .stg-btn--primary:active {
            transform: translateY(0);
            box-shadow: var(--stg-shadow-sm);
        }
        .stg-btn--ghost {
            background: transparent;
            color: #f6f2ea;
            border-color: rgba(246, 242, 234, 0.55);
        }
        .stg-btn--ghost:hover {
            background: rgba(246, 242, 234, 0.12);
            border-color: #f6f2ea;
            color: #fff;
            transform: translateY(-2px);
        }
        .stg-btn--ghost:active {
            transform: translateY(0);
        }
        .stg-btn--sm {
            padding: 10px 20px;
            font-size: 0.92rem;
        }
        .stg-btn--dark {
            background: var(--stg-primary);
            color: #f6f2ea;
            border-color: var(--stg-primary);
        }
        .stg-btn--dark:hover {
            background: var(--stg-primary-700);
            border-color: var(--stg-primary-700);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--stg-shadow-md);
        }

        .stg-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 500;
            line-height: 1.5;
            background: var(--stg-bg-warm);
            color: var(--stg-text);
            border: 1px solid var(--stg-border);
        }
        .stg-tag--solid {
            background: var(--stg-secondary);
            color: #1a2126;
            border-color: var(--stg-secondary);
        }
        .stg-tag--dark {
            background: var(--stg-primary);
            color: #f6f2ea;
            border-color: var(--stg-primary);
        }

        /* Header / Navigation */
        .stg-header {
            background: var(--stg-header-bg);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(0,0,0,0.18);
            min-height: var(--stg-nav-height);
            display: flex;
            align-items: center;
        }
        .stg-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .stg-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.22rem;
            font-weight: 700;
            color: #f6f2ea;
            white-space: nowrap;
        }
        .stg-logo__mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--stg-secondary);
            color: #1a2126;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.05rem;
            transition: transform var(--stg-transition), background var(--stg-transition);
        }
        .stg-logo:hover .stg-logo__mark {
            transform: rotate(-6deg);
            background: var(--stg-secondary-hover);
        }
        .stg-logo span:last-child {
            letter-spacing: 0.04em;
        }
        .stg-nav {
            flex: 1;
        }
        .stg-nav__list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .stg-nav__item {
            margin: 0;
        }
        .stg-nav__link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 17px;
            font-size: 0.94rem;
            font-weight: 500;
            color: #d9dfe3;
            border-radius: 40px;
            transition: background var(--stg-transition), color var(--stg-transition);
            white-space: nowrap;
        }
        .stg-nav__link:hover {
            background: rgba(246, 242, 234, 0.12);
            color: #fff;
        }
        .stg-nav__link.is-active {
            background: rgba(201, 169, 98, 0.18);
            color: var(--stg-secondary-soft);
            font-weight: 600;
        }
        .stg-header__cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .stg-header__toggle {
            display: none;
            background: rgba(246, 242, 234, 0.10);
            border: 1px solid rgba(246, 242, 234, 0.25);
            border-radius: 10px;
            color: #f6f2ea;
            padding: 10px 13px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background var(--stg-transition);
        }
        .stg-header__toggle:hover {
            background: rgba(246, 242, 234, 0.20);
        }

        /* Hero - Employment style */
        .stg-hero-news {
            position: relative;
            background: var(--stg-primary);
            background-image: linear-gradient(135deg, rgba(26,33,38,0.92) 0%, rgba(35,45,53,0.90) 55%, rgba(26,33,38,0.94) 100%), url('/assets/images/32fdd641e391a303.webp');
            background-size: cover;
            background-position: center;
            color: #f0ede6;
            padding: 76px 0 64px;
            overflow: hidden;
        }
        .stg-hero-news::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 40px;
            background: var(--stg-bg);
            clip-path: polygon(0 70%, 100% 0, 100% 100%, 0 100%);
        }
        .stg-hero-news__inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .stg-hero-news__title {
            font-size: clamp(1.8rem, 3.5vw, 2.7rem);
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 18px;
            color: #f6f2ea;
        }
        .stg-hero-news__sub {
            font-size: 1.05rem;
            line-height: 1.9;
            color: #c8d0d6;
            margin: 0 0 28px;
            max-width: 560px;
        }
        .stg-hero-news__cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .stg-hero-news__stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 32px;
        }
        .stg-hero-news__stat {
            min-width: 100px;
        }
        .stg-hero-news__stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--stg-secondary-soft);
            line-height: 1.3;
        }
        .stg-hero-news__stat-label {
            font-size: 0.85rem;
            color: #aab4bb;
            margin-top: 2px;
        }
        .stg-hero-news__panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(246, 242, 234, 0.16);
            border-radius: var(--stg-radius-lg);
            padding: 28px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .stg-hero-news__panel-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: #f6f2ea;
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .stg-hero-news__panel-title i {
            color: var(--stg-secondary);
        }
        .stg-job-entry {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(246, 242, 234, 0.08);
            transition: transform var(--stg-transition);
        }
        .stg-job-entry:last-child {
            border-bottom: none;
        }
        .stg-job-entry:hover {
            transform: translateX(4px);
        }
        .stg-job-entry__icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(201, 169, 98, 0.15);
            color: var(--stg-secondary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .stg-job-entry__name {
            font-size: 0.94rem;
            font-weight: 600;
            color: #f6f2ea;
        }
        .stg-job-entry__desc {
            font-size: 0.82rem;
            color: #aab4bb;
        }

        /* Cards & List */
        .stg-card {
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            border: 1px solid var(--stg-border);
            box-shadow: var(--stg-shadow-sm);
            overflow: hidden;
            transition: transform var(--stg-transition), box-shadow var(--stg-transition), border-color var(--stg-transition);
        }
        .stg-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--stg-shadow-md);
            border-color: var(--stg-secondary-soft);
        }
        .stg-card__media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--stg-bg-warm);
        }
        .stg-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .stg-card:hover .stg-card__media img {
            transform: scale(1.04);
        }
        .stg-card__body {
            padding: 20px 22px 22px;
        }
        .stg-card__title {
            font-size: 1.08rem;
            font-weight: 600;
            line-height: 1.5;
            margin: 0 0 10px;
            color: var(--stg-text);
        }
        .stg-card__title a {
            color: var(--stg-text);
        }
        .stg-card__title a:hover {
            color: var(--stg-secondary-hover);
        }
        .stg-card__meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--stg-text-muted);
            margin-bottom: 10px;
        }
        .stg-card__meta i {
            color: var(--stg-secondary);
            margin-right: 4px;
        }
        .stg-card__excerpt {
            font-size: 0.92rem;
            color: var(--stg-text-muted);
            line-height: 1.8;
            margin: 0;
        }

        .stg-news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .stg-news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .stg-news-list-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            border: 1px solid var(--stg-border);
            padding: 18px 20px;
            transition: transform var(--stg-transition), box-shadow var(--stg-transition), border-color var(--stg-transition);
        }
        .stg-news-list-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--stg-shadow-sm);
            border-color: var(--stg-secondary-soft);
        }
        .stg-news-list-item__thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--stg-radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--stg-bg-warm);
        }
        .stg-news-list-item__thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .stg-news-list-item__content {
            flex: 1;
        }
        .stg-news-list-item__title {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 6px;
        }
        .stg-news-list-item__meta {
            font-size: 0.82rem;
            color: var(--stg-text-muted);
            margin-bottom: 6px;
        }
        .stg-news-list-item__excerpt {
            font-size: 0.9rem;
            color: var(--stg-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* Data band */
        .stg-data-band {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stg-data-band__item {
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            border: 1px solid var(--stg-border);
            padding: 24px 22px;
            text-align: center;
            box-shadow: var(--stg-shadow-sm);
            transition: transform var(--stg-transition), box-shadow var(--stg-transition);
        }
        .stg-data-band__item:hover {
            transform: translateY(-3px);
            box-shadow: var(--stg-shadow-md);
        }
        .stg-data-band__num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--stg-secondary-hover);
            line-height: 1.3;
        }
        .stg-data-band__label {
            font-size: 0.92rem;
            color: var(--stg-text-muted);
            margin-top: 6px;
        }

        /* Scenario tags */
        .stg-scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stg-scenario-tag {
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            border: 1px solid var(--stg-border);
            padding: 18px 16px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: transform var(--stg-transition), border-color var(--stg-transition);
        }
        .stg-scenario-tag:hover {
            transform: translateY(-2px);
            border-color: var(--stg-secondary);
        }
        .stg-scenario-tag i {
            color: var(--stg-secondary);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .stg-scenario-tag__label {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--stg-text);
        }
        .stg-scenario-tag__desc {
            font-size: 0.82rem;
            color: var(--stg-text-muted);
            margin-top: 2px;
        }

        /* Steps */
        .stg-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .stg-step {
            position: relative;
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            border: 1px solid var(--stg-border);
            padding: 24px 20px 20px;
            box-shadow: var(--stg-shadow-sm);
            transition: transform var(--stg-transition), box-shadow var(--stg-transition);
        }
        .stg-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--stg-shadow-md);
        }
        .stg-step__num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--stg-secondary);
            color: #1a2126;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .stg-step__title {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--stg-text);
        }
        .stg-step__desc {
            font-size: 0.9rem;
            color: var(--stg-text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* FAQ */
        .stg-faq {
            max-width: 820px;
            margin: 0 auto;
        }
        .stg-faq__item {
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            border: 1px solid var(--stg-border);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--stg-shadow-sm);
            transition: border-color var(--stg-transition);
        }
        .stg-faq__item:hover {
            border-color: var(--stg-secondary-soft);
        }
        .stg-faq__question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--stg-text);
            text-align: left;
            transition: color var(--stg-transition);
        }
        .stg-faq__question:hover {
            color: var(--stg-secondary-hover);
        }
        .stg-faq__question i {
            color: var(--stg-secondary);
            font-size: 0.9rem;
            transition: transform var(--stg-transition);
            flex-shrink: 0;
        }
        .stg-faq__item.is-open .stg-faq__question i {
            transform: rotate(180deg);
        }
        .stg-faq__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 22px;
        }
        .stg-faq__item.is-open .stg-faq__answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }
        .stg-faq__answer p {
            margin: 0;
            font-size: 0.94rem;
            color: var(--stg-text-muted);
            line-height: 1.85;
        }

        /* Category entry */
        .stg-cat-entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stg-cat-entry {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--stg-card);
            border-radius: var(--stg-radius-md);
            border: 1px solid var(--stg-border);
            padding: 16px 18px;
            transition: transform var(--stg-transition), border-color var(--stg-transition), box-shadow var(--stg-transition);
        }
        .stg-cat-entry:hover {
            transform: translateY(-2px);
            border-color: var(--stg-secondary);
            box-shadow: var(--stg-shadow-sm);
        }
        .stg-cat-entry i {
            color: var(--stg-secondary);
            font-size: 1.1rem;
        }
        .stg-cat-entry__name {
            font-size: 0.94rem;
            font-weight: 600;
            color: var(--stg-text);
        }
        .stg-cat-entry__desc {
            font-size: 0.78rem;
            color: var(--stg-text-muted);
            margin-top: 1px;
        }

        /* CTA */
        .stg-cta-band {
            background: var(--stg-primary);
            background-image: linear-gradient(135deg, rgba(26,33,38,0.96) 0%, rgba(35,45,53,0.94) 100%), url('/assets/images/33c02c03a2b81859.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--stg-radius-lg);
            padding: 48px 40px;
            color: #f0ede6;
            text-align: center;
        }
        .stg-cta-band__title {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 700;
            margin: 0 0 16px;
            color: #f6f2ea;
        }
        .stg-cta-band__desc {
            font-size: 1rem;
            color: #c8d0d6;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.85;
        }
        .stg-cta-band__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            align-items: center;
        }

        /* Footer */
        .stg-footer {
            background: var(--stg-primary-800);
            color: #cfd6db;
            padding: 48px 0 0;
            margin-top: 0;
        }
        .stg-footer__grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
        }
        .stg-footer__brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #f6f2ea;
            margin-bottom: 14px;
        }
        .stg-footer__desc {
            font-size: 0.92rem;
            line-height: 1.85;
            color: #aab4bb;
            margin: 0;
            max-width: 340px;
        }
        .stg-footer__col-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #f6f2ea;
            margin: 0 0 16px;
            letter-spacing: 0.04em;
        }
        .stg-footer__list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .stg-footer__list li {
            margin-bottom: 10px;
        }
        .stg-footer__link {
            font-size: 0.9rem;
            color: #aab4bb;
            transition: color var(--stg-transition);
        }
        .stg-footer__link:hover {
            color: var(--stg-secondary-soft);
        }
        .stg-footer__bottom {
            border-top: 1px solid rgba(246, 242, 234, 0.08);
            padding: 18px 0 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
        }
        .stg-footer__info {
            font-size: 0.82rem;
            color: #7d868d;
            line-height: 1.7;
        }
        .stg-footer__domain {
            font-size: 0.82rem;
            color: #7d868d;
            white-space: nowrap;
        }

        /* Foundation overrides */
        .foundation-mq {
            display: none;
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            .stg-hero-news__inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .stg-news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stg-data-band {
                grid-template-columns: repeat(2, 1fr);
            }
            .stg-scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stg-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .stg-cat-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stg-footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media screen and (max-width: 820px) {
            .stg-header__inner {
                flex-wrap: wrap;
            }
            .stg-nav {
                order: 3;
                width: 100%;
                flex-basis: 100%;
            }
            .stg-nav__list {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 12px 0;
                background: rgba(15, 21, 26, 0.95);
                border-radius: 0 0 var(--stg-radius-md) var(--stg-radius-md);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease, padding 0.35s ease;
            }
            .stg-nav__list.is-open {
                display: flex;
                max-height: 420px;
                padding: 12px 0;
            }
            .stg-nav__link {
                padding: 12px 16px;
                border-radius: var(--stg-radius-sm);
                font-size: 1rem;
            }
            .stg-header__toggle {
                display: inline-flex;
            }
            .stg-header {
                padding: 10px 0;
                min-height: auto;
            }
            .stg-header__cta {
                margin-left: auto;
            }
            .stg-news-grid {
                grid-template-columns: 1fr;
            }
            .stg-news-list-item {
                flex-direction: column;
                gap: 12px;
            }
            .stg-news-list-item__thumb {
                width: 100%;
                height: 140px;
            }
        }

        @media screen and (max-width: 640px) {
            :root {
                --stg-gap-section: 42px;
            }
            .stg-section {
                padding-top: var(--stg-gap-section-mobile);
                padding-bottom: var(--stg-gap-section-mobile);
            }
            .stg-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .stg-hero-news {
                padding: 52px 0 52px;
            }
            .stg-hero-news__title {
                font-size: 1.65rem;
            }
            .stg-hero-news__sub {
                font-size: 0.95rem;
            }
            .stg-hero-news__stat-row {
                gap: 18px;
            }
            .stg-hero-news__stat-num {
                font-size: 1.25rem;
            }
            .stg-data-band {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stg-data-band__num {
                font-size: 1.5rem;
            }
            .stg-scenario-grid {
                grid-template-columns: 1fr;
            }
            .stg-steps {
                grid-template-columns: 1fr;
            }
            .stg-cat-entry-grid {
                grid-template-columns: 1fr;
            }
            .stg-cta-band {
                padding: 32px 20px;
            }
            .stg-footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .stg-footer__bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .stg-btn {
                padding: 12px 22px;
                font-size: 0.94rem;
            }
            .stg-nav__link {
                padding: 10px 14px;
                font-size: 0.94rem;
            }
        }

/* roulang page: category5 */
:root {
    --stg-primary: #1a2126;
    --stg-primary-700: #232d35;
    --stg-primary-800: #0f151a;
    --stg-secondary: #c9a962;
    --stg-secondary-hover: #b08f4d;
    --stg-secondary-soft: #dcbf87;
    --stg-bg: #f6f3ed;
    --stg-bg-warm: #efe9df;
    --stg-card: #ffffff;
    --stg-text: #1d262b;
    --stg-text-muted: #6b7379;
    --stg-text-light: #aab4bb;
    --stg-border: #d9d2c5;
    --stg-radius-sm: 8px;
    --stg-radius-md: 12px;
    --stg-radius-lg: 18px;
    --stg-shadow-sm: 0 2px 14px rgba(18, 27, 33, 0.06);
    --stg-shadow-md: 0 10px 30px rgba(18, 27, 33, 0.10);
    --stg-shadow-lg: 0 20px 50px rgba(18, 27, 33, 0.16);
    --stg-transition: 0.22s ease;
    --stg-font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
    --stg-line-height: 1.9;
    --stg-gap-section: 60px;
    --stg-gap-section-mobile: 42px;
    --stg-max-width: 1180px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--stg-font);
    background: var(--stg-bg);
    color: var(--stg-text);
    line-height: var(--stg-line-height);
    margin: 0;
    padding: 0;
    font-size: 16px;
    letter-spacing: 0.015em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.nav-open {
    overflow: hidden;
}

a {
    color: var(--stg-text);
    text-decoration: none;
    transition: color var(--stg-transition);
}

a:hover {
    color: var(--stg-secondary-hover);
}

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

button,
input,
select,
textarea {
    font-family: var(--stg-font);
    letter-spacing: 0.015em;
}

button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--stg-secondary);
    outline-offset: 3px;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0 0 0.5em;
    line-height: 1.5;
    font-weight: 700;
    color: var(--stg-text);
}

p {
    margin: 0 0 1em;
    line-height: var(--stg-line-height);
}

.stg-container {
    max-width: var(--stg-max-width);
    margin: 0 auto;
    padding-left: 22px;
    padding-right: 22px;
}

.stg-section {
    padding-top: var(--stg-gap-section);
    padding-bottom: var(--stg-gap-section);
}

.stg-section--alt {
    background: var(--stg-bg-warm);
}

.stg-section--dark {
    background: var(--stg-primary);
    color: #f0ede6;
}

.stg-section--dark .stg-section__title {
    color: #f6f2ea;
}

.stg-section--dark .stg-section__lead {
    color: #b8c0c7;
}

.stg-section__head {
    max-width: 780px;
    margin-bottom: 36px;
}

.stg-section__title {
    font-size: clamp(1.6rem, 2.8vw, 2.1rem);
    font-weight: 700;
    line-height: 1.45;
    margin: 0 0 14px;
    color: var(--stg-text);
}

.stg-section__lead {
    font-size: 1rem;
    line-height: 1.95;
    color: var(--stg-text-muted);
    margin: 0;
}

.stg-eyebrow {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--stg-secondary);
    text-transform: uppercase;
    margin-bottom: 12px;
    position: relative;
}

.stg-eyebrow::after {
    content: '';
    display: inline-block;
    width: 34px;
    height: 1px;
    background: var(--stg-secondary);
    vertical-align: middle;
    margin-left: 12px;
}

.stg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.5;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--stg-transition);
    text-align: center;
    -webkit-tap-highlight-color: transparent;
    background: none;
}

.stg-btn--primary {
    background: var(--stg-secondary);
    color: #1a2126;
    border-color: var(--stg-secondary);
}

.stg-btn--primary:hover {
    background: var(--stg-secondary-hover);
    border-color: var(--stg-secondary-hover);
    color: #1a2126;
    transform: translateY(-2px);
    box-shadow: var(--stg-shadow-md);
}

.stg-btn--primary:active {
    transform: translateY(0);
    box-shadow: var(--stg-shadow-sm);
}

.stg-btn--ghost {
    background: transparent;
    color: #f6f2ea;
    border-color: rgba(246, 242, 234, 0.55);
}

.stg-btn--ghost:hover {
    background: rgba(246, 242, 234, 0.12);
    border-color: #f6f2ea;
    color: #fff;
    transform: translateY(-2px);
}

.stg-btn--ghost:active {
    transform: translateY(0);
}

.stg-btn--sm {
    padding: 10px 20px;
    font-size: 0.92rem;
}

.stg-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.82rem;
    font-weight: 500;
    line-height: 1.5;
    background: rgba(201, 169, 98, 0.12);
    color: var(--stg-text);
    border: 1px solid rgba(201, 169, 98, 0.28);
}

.stg-tag--dark {
    background: rgba(201, 169, 98, 0.18);
    color: #f0e7d8;
    border-color: rgba(201, 169, 98, 0.35);
}

/* Header / Nav */
.stg-header {
    position: relative;
    z-index: 100;
    background: linear-gradient(135deg, #0f151a 0%, #1a2126 45%, #232d35 100%);
    box-shadow: 0 4px 22px rgba(18, 27, 33, 0.14);
    border-bottom: 1px solid rgba(201, 169, 98, 0.22);
}

.stg-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    min-height: 76px;
    padding-top: 10px;
    padding-bottom: 10px;
}

.stg-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    color: #f6f2ea;
    white-space: nowrap;
    flex-shrink: 0;
}

.stg-logo:hover {
    color: var(--stg-secondary-soft);
}

.stg-logo__mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--stg-secondary);
    color: #1a2126;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
}

.stg-nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stg-nav__list {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
}

.stg-nav__item {
    position: relative;
}

.stg-nav__link {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 6px;
    color: #dde3e7;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    transition: all var(--stg-transition);
    white-space: nowrap;
}

.stg-nav__link:hover {
    background: rgba(246, 242, 234, 0.10);
    color: #fff;
}

.stg-nav__link.is-active {
    background: rgba(201, 169, 98, 0.18);
    color: var(--stg-secondary-soft);
    box-shadow: inset 0 -2px 0 var(--stg-secondary);
}

.stg-header__cta {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.stg-nav-toggle {
    display: none;
    background: rgba(246, 242, 234, 0.10);
    border: 1px solid rgba(246, 242, 234, 0.25);
    color: #f6f2ea;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--stg-transition);
    flex-shrink: 0;
}

.stg-nav-toggle:hover {
    background: rgba(246, 242, 234, 0.18);
}

/* Hero / Page Title */
.stg-page-hero {
    position: relative;
    padding: 72px 0 64px;
    background: var(--stg-primary);
    overflow: hidden;
    border-bottom: 1px solid rgba(201, 169, 98, 0.18);
}

.stg-page-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.stg-page-hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.28;
}

.stg-page-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(15, 21, 26, 0.65) 0%, rgba(26, 33, 38, 0.88) 65%, rgba(15, 21, 26, 0.96) 100%);
}

.stg-page-hero__inner {
    position: relative;
    z-index: 2;
    max-width: 820px;
}

.stg-page-hero__title {
    font-size: clamp(2rem, 4.2vw, 3.1rem);
    font-weight: 800;
    color: #f6f2ea;
    margin: 0 0 18px;
    line-height: 1.35;
    letter-spacing: 0.01em;
}

.stg-page-hero__desc {
    font-size: 1.08rem;
    color: #cbd3d9;
    line-height: 1.95;
    margin: 0 0 24px;
    max-width: 700px;
}

.stg-page-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    align-items: center;
}

.stg-page-hero__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #e8d9bd;
    font-size: 0.92rem;
    font-weight: 500;
}

/* Cards */
.stg-card {
    background: var(--stg-card);
    border-radius: var(--stg-radius-md);
    border: 1px solid var(--stg-border);
    box-shadow: var(--stg-shadow-sm);
    overflow: hidden;
    transition: all var(--stg-transition);
}

.stg-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--stg-shadow-md);
    border-color: var(--stg-secondary-soft);
}

.stg-card__body {
    padding: 22px 22px 24px;
}

.stg-card__title {
    font-size: 1.12rem;
    font-weight: 700;
    margin: 0 0 10px;
    color: var(--stg-text);
    line-height: 1.55;
}

.stg-card__text {
    font-size: 0.95rem;
    color: var(--stg-text-muted);
    line-height: 1.85;
    margin: 0;
}

.stg-card__media {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--stg-bg-warm);
}

.stg-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--stg-transition);
}

.stg-card:hover .stg-card__media img {
    transform: scale(1.03);
}

/* Grid */
.stg-grid {
    display: grid;
    gap: 20px;
}

.stg-grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

.stg-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.stg-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

/* List items */
.stg-list-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    background: var(--stg-card);
    border-radius: var(--stg-radius-sm);
    border: 1px solid var(--stg-border);
    transition: all var(--stg-transition);
}

.stg-list-item:hover {
    border-color: var(--stg-secondary-soft);
    box-shadow: var(--stg-shadow-sm);
    transform: translateX(2px);
}

.stg-list-item__icon {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(201, 169, 98, 0.12);
    color: var(--stg-secondary-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.stg-list-item__content {
    flex: 1;
    min-width: 0;
}

.stg-list-item__title {
    font-weight: 700;
    font-size: 1rem;
    margin: 0 0 4px;
    color: var(--stg-text);
}

.stg-list-item__desc {
    font-size: 0.9rem;
    color: var(--stg-text-muted);
    line-height: 1.75;
    margin: 0;
}

/* Data metrics */
.stg-metrics {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(4, 1fr);
}

.stg-metric {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(201, 169, 98, 0.2);
    border-radius: var(--stg-radius-md);
    padding: 22px 20px;
    text-align: center;
    transition: all var(--stg-transition);
}

.stg-metric:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(201, 169, 98, 0.4);
}

.stg-metric__value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--stg-secondary);
    line-height: 1.2;
    margin-bottom: 6px;
}

.stg-metric__label {
    font-size: 0.9rem;
    color: #d9d3c8;
    line-height: 1.6;
    margin: 0;
}

/* Timeline / Steps */
.stg-timeline {
    display: grid;
    gap: 0;
    position: relative;
}

.stg-timeline__item {
    display: flex;
    gap: 18px;
    padding: 0 0 28px;
    position: relative;
}

.stg-timeline__item::before {
    content: '';
    position: absolute;
    left: 22px;
    top: 44px;
    bottom: 0;
    width: 2px;
    background: var(--stg-border);
}

.stg-timeline__item:last-child::before {
    display: none;
}

.stg-timeline__node {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--stg-primary);
    color: var(--stg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    border: 2px solid var(--stg-secondary);
    position: relative;
    z-index: 1;
}

.stg-timeline__body {
    flex: 1;
    padding-top: 2px;
}

.stg-timeline__title {
    font-weight: 700;
    font-size: 1.05rem;
    margin: 0 0 8px;
    color: var(--stg-text);
}

.stg-timeline__desc {
    font-size: 0.93rem;
    color: var(--stg-text-muted);
    line-height: 1.85;
    margin: 0;
}

/* FAQ */
.stg-faq {
    display: grid;
    gap: 12px;
}

.stg-faq__item {
    background: var(--stg-card);
    border: 1px solid var(--stg-border);
    border-radius: var(--stg-radius-sm);
    overflow: hidden;
    transition: all var(--stg-transition);
}

.stg-faq__item.is-open {
    border-color: var(--stg-secondary-soft);
    box-shadow: var(--stg-shadow-sm);
}

.stg-faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 18px 20px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--stg-text);
    transition: all var(--stg-transition);
    line-height: 1.6;
}

.stg-faq__question:hover {
    color: var(--stg-secondary-hover);
}

.stg-faq__icon {
    flex-shrink: 0;
    transition: transform var(--stg-transition);
    color: var(--stg-secondary);
    font-size: 0.9rem;
}

.stg-faq__item.is-open .stg-faq__icon {
    transform: rotate(180deg);
}

.stg-faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.stg-faq__item.is-open .stg-faq__answer {
    max-height: 300px;
}

.stg-faq__answer-inner {
    padding: 0 20px 20px;
    font-size: 0.93rem;
    color: var(--stg-text-muted);
    line-height: 1.85;
}

/* CTA */
.stg-cta {
    position: relative;
    background: var(--stg-primary);
    color: #f0ede6;
    border-radius: var(--stg-radius-lg);
    padding: 52px 40px;
    overflow: hidden;
    border: 1px solid rgba(201, 169, 98, 0.25);
}

.stg-cta::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -40px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201, 169, 98, 0.18) 0%, transparent 70%);
    pointer-events: none;
}

.stg-cta__title {
    font-size: clamp(1.5rem, 2.4vw, 1.9rem);
    font-weight: 800;
    color: #f6f2ea;
    margin: 0 0 12px;
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

.stg-cta__desc {
    font-size: 1rem;
    color: #b8c0c7;
    line-height: 1.9;
    margin: 0 0 26px;
    max-width: 650px;
    position: relative;
    z-index: 1;
}

.stg-cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    position: relative;
    z-index: 1;
}

/* Category entry */
.stg-cat-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}

.stg-cat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 22px 14px;
    background: var(--stg-card);
    border: 1px solid var(--stg-border);
    border-radius: var(--stg-radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--stg-text);
    transition: all var(--stg-transition);
    text-align: center;
}

.stg-cat-card:hover {
    border-color: var(--stg-secondary-soft);
    box-shadow: var(--stg-shadow-sm);
    transform: translateY(-3px);
    color: var(--stg-secondary-hover);
}

.stg-cat-card i {
    font-size: 1.4rem;
    color: var(--stg-secondary);
}

/* Footer */
.stg-footer {
    background: var(--stg-primary-800);
    color: #b8c0c7;
    padding: 60px 0 28px;
    border-top: 1px solid rgba(201, 169, 98, 0.16);
    font-size: 0.93rem;
}

.stg-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 36px;
}

.stg-footer__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.2rem;
    color: #f6f2ea;
    margin-bottom: 14px;
}

.stg-footer__desc {
    font-size: 0.9rem;
    color: #9aa4ab;
    line-height: 1.85;
    margin: 0;
    max-width: 320px;
}

.stg-footer__col-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--stg-secondary-soft);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 16px;
}

.stg-footer__list {
    display: grid;
    gap: 10px;
}

.stg-footer__link {
    color: #b8c0c7;
    font-size: 0.9rem;
    transition: all var(--stg-transition);
}

.stg-footer__link:hover {
    color: var(--stg-secondary-soft);
    padding-left: 4px;
}

.stg-footer__bottom {
    border-top: 1px solid rgba(201, 169, 98, 0.12);
    padding-top: 22px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.stg-footer__info {
    font-size: 0.85rem;
    color: #879198;
    line-height: 1.7;
}

.stg-footer__domain {
    font-size: 0.85rem;
    color: var(--stg-secondary-soft);
    font-weight: 500;
}

/* Extra section styles */
.stg-philosophy-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.stg-philosophy-item {
    background: var(--stg-card);
    border: 1px solid var(--stg-border);
    border-radius: var(--stg-radius-md);
    padding: 24px 20px;
    text-align: center;
    transition: all var(--stg-transition);
}

.stg-philosophy-item:hover {
    border-color: var(--stg-secondary-soft);
    box-shadow: var(--stg-shadow-sm);
    transform: translateY(-3px);
}

.stg-philosophy-item__icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(201, 169, 98, 0.12);
    color: var(--stg-secondary-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin: 0 auto 14px;
}

.stg-philosophy-item__title {
    font-weight: 700;
    font-size: 1rem;
    margin: 0 0 8px;
    color: var(--stg-text);
}

.stg-philosophy-item__desc {
    font-size: 0.88rem;
    color: var(--stg-text-muted);
    line-height: 1.75;
    margin: 0;
}

.stg-feature-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: center;
}

.stg-feature-split__media {
    border-radius: var(--stg-radius-lg);
    overflow: hidden;
    box-shadow: var(--stg-shadow-md);
}

.stg-feature-split__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4 / 3;
}

.stg-feature-split__content {
    padding: 8px 0;
}

.stg-feature-split__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 14px;
    line-height: 1.5;
}

.stg-feature-split__text {
    font-size: 0.97rem;
    color: var(--stg-text-muted);
    line-height: 1.9;
    margin: 0 0 18px;
}

/* Responsive */
@media (max-width: 1024px) {
    .stg-grid--4,
    .stg-philosophy-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stg-metrics {
        grid-template-columns: repeat(2, 1fr);
    }
    .stg-cat-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .stg-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
    .stg-header__inner {
        flex-wrap: wrap;
        gap: 12px;
    }
    .stg-nav {
        order: 3;
        flex-basis: 100%;
        justify-content: flex-start;
    }
    .stg-nav__list {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 2px;
    }
    .stg-nav__link {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
    .stg-feature-split {
        grid-template-columns: 1fr;
        gap: 22px;
    }
    .stg-header__cta {
        margin-left: auto;
    }
}

@media (max-width: 768px) {
    :root {
        --stg-gap-section: 48px;
    }
    .stg-grid--2,
    .stg-grid--3,
    .stg-grid--4 {
        grid-template-columns: 1fr;
    }
    .stg-philosophy-grid {
        grid-template-columns: 1fr 1fr;
    }
    .stg-nav {
        display: none;
        flex-basis: 100%;
        order: 4;
    }
    .stg-nav.is-open {
        display: flex;
    }
    .stg-nav__list {
        flex-direction: column;
        width: 100%;
        gap: 4px;
    }
    .stg-nav__item {
        width: 100%;
    }
    .stg-nav__link {
        width: 100%;
        padding: 10px 14px;
    }
    .stg-nav-toggle {
        display: flex;
    }
    .stg-header__cta {
        display: none;
    }
    .stg-metrics {
        grid-template-columns: 1fr 1fr;
    }
    .stg-cat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stg-footer__grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .stg-footer__bottom {
        flex-direction: column;
        align-items: flex-start;
    }
    .stg-page-hero {
        padding: 48px 0 40px;
    }
    .stg-page-hero__title {
        font-size: 1.8rem;
    }
    .stg-cta {
        padding: 36px 24px;
    }
}

@media (max-width: 520px) {
    .stg-philosophy-grid {
        grid-template-columns: 1fr;
    }
    .stg-metrics {
        grid-template-columns: 1fr;
    }
    .stg-cat-grid {
        grid-template-columns: 1fr;
    }
    .stg-timeline__item {
        gap: 12px;
    }
    .stg-timeline__item::before {
        left: 18px;
        top: 40px;
    }
    .stg-timeline__node {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }
    .stg-btn {
        width: 100%;
        justify-content: center;
    }
    .stg-cta__actions .stg-btn {
        width: 100%;
    }
    .stg-page-hero__meta {
        flex-direction: column;
        align-items: flex-start;
    }
}