:root {
            --main: #0b6e6b;
            --main-deep: #064b49;
            --accent: #e9a13b;
            --accent-deep: #c98524;
            --bg: #f4f7f5;
            --bg-alt: #e8efec;
            --ink: #1c2b2a;
            --ink-soft: #435b58;
            --line: #cfe0db;
            --card-bg: #ffffff;
            --shadow-sm: 0 3px 12px rgba(6, 75, 73, 0.06);
            --shadow-md: 0 12px 28px rgba(6, 75, 73, 0.08);
            --radius-lg: 28px;
            --radius-md: 16px;
            --radius-sm: 8px;
            font-size: 16px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Microsoft Sans Serif', 'Microsoft YaHei', 'PingFang SC', 'Noto Sans CJK SC', sans-serif;
            background: var(--bg);
            color: var(--ink);
            line-height: 1.55;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            width: min(1180px, 92%);
            margin-inline: auto;
        }

        .site-shell {
            overflow: clip;
        }

        /* ===== topbar ===== */
        .topbar {
            background: var(--main-deep);
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.825rem;
            letter-spacing: 0.02em;
            padding: 0.5rem 0;
        }

        .topbar__inner {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.25rem 1.25rem;
        }

        .topbar span {
            opacity: 0.92;
        }

        /* ===== header ===== */
        .header {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(11, 110, 107, 0.14);
            box-shadow: 0 2px 18px rgba(6, 75, 73, 0.03);
        }

        .header__inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.8rem 0;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            min-width: min-content;
        }

        .brand__mark {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(145deg, var(--main), var(--main-deep));
            display: inline-block;
            position: relative;
            flex: 0 0 auto;
        }

        .brand__mark::after {
            content: "GT";
            position: absolute;
            inset: 0;
            display: grid;
            place-items: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.08em;
        }

        .brand__text {
            display: flex;
            flex-direction: column;
            line-height: 1.14;
        }

        .brand__text strong {
            font-size: 1.02rem;
            color: var(--main-deep);
            letter-spacing: 0.01em;
        }

        .brand__text span {
            font-size: 0.74rem;
            color: var(--ink-soft);
            letter-spacing: 0.03em;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }

        .nav a {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--ink-soft);
            transition: color 0.2s ease;
            padding: 0.25rem 0;
            border-bottom: 2px solid transparent;
        }

        .nav a:hover {
            color: var(--main);
            border-bottom-color: var(--accent);
        }

        /* ===== hero ===== */
        .hero {
            background:
                radial-gradient(circle at 24% 28%, rgba(233, 161, 59, 0.14), transparent 30%),
                linear-gradient(135deg, #0b6e6b 0%, #053f3d 65%, #042b2a 100%);
            color: #f1faf7;
            padding: 4.5rem 0 5rem;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            right: -64px;
            top: -64px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(233, 161, 59, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: "";
            position: absolute;
            left: 42%;
            top: -160px;
            width: 1px;
            height: 240px;
            background: linear-gradient(to bottom, transparent, rgba(233, 161, 59, 0.4), transparent);
            opacity: 0.5;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(233, 161, 59, 0.16);
            border: 1px solid rgba(233, 161, 59, 0.4);
            border-radius: 40px;
            padding: 0.35rem 1.1rem;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: #ffdda6;
            margin-bottom: 1.2rem;
            backdrop-filter: blur(4px);
        }

        .hero h1 {
            font-size: clamp(2.1rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.18;
            margin-bottom: 0.9rem;
            color: #ffffff;
            letter-spacing: -0.01em;
        }

        .hero h1 em {
            font-style: normal;
            color: var(--accent);
        }

        .hero-copy > p {
            font-size: 1.02rem;
            line-height: 1.6;
            color: rgba(241, 250, 247, 0.88);
            max-width: 620px;
            margin-bottom: 1.6rem;
        }

        .chip-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.55rem;
            margin-bottom: 1.1rem;
        }

        .chip-row span {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 0.3rem 0.85rem;
            border-radius: 40px;
            font-size: 0.8rem;
            color: #dfffn0;
            backdrop-filter: blur(4px);
        }

        .hero-panel {
            background: rgba(255, 255, 255, 0.98);
            border-radius: var(--radius-lg);
            padding: 1.4rem 1.5rem 1.6rem;
            box-shadow: 0 18px 40px rgba(3, 36, 35, 0.36);
            color: var(--ink);
            border: 1px solid rgba(233, 161, 59, 0.25);
        }

        .metric-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.8rem;
            margin-bottom: 1.2rem;
        }

        .metric-grid div {
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 0.6rem 0.7rem;
            text-align: center;
            border: 1px solid rgba(11, 110, 107, 0.08);
        }

        .metric-grid strong {
            display: block;
            font-size: 1.18rem;
            color: var(--main-deep);
            line-height: 1.2;
        }

        .metric-grid span {
            font-size: 0.72rem;
            color: var(--ink-soft);
        }

        .hero-contact {
            border-top: 1px dashed var(--line);
            padding-top: 1.1rem;
        }

        .hero-contact > strong {
            display: block;
            font-size: 0.82rem;
            color: var(--ink-soft);
            margin-bottom: 0.4rem;
        }

        .hero-contact > a {
            display: inline-block;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--main);
            letter-spacing: 0.02em;
            margin-bottom: 0.6rem;
            transition: color 0.2s;
        }

        .hero-contact > a:hover {
            color: var(--accent-deep);
        }

        .hero-contact p {
            font-size: 0.8rem;
            color: var(--ink-soft);
            line-height: 1.55;
        }

        /* ===== section ===== */
        .section {
            padding: 4.8rem 0;
        }

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

        .section-head {
            margin-bottom: 2.4rem;
        }

        .section-head h2 {
            font-size: clamp(1.6rem, 2.6vw, 2.2rem);
            color: var(--main-deep);
            font-weight: 800;
            letter-spacing: -0.01em;
        }

        .section-head span {
            display: block;
            font-size: 0.82rem;
            color: var(--accent-deep);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-top: 0.2rem;
            position: relative;
            padding-left: 1rem;
        }

        .section-head span::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 3px;
            height: 100%;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ===== about ===== */
        .surface-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(11, 110, 107, 0.1);
            padding: 2.8rem 2.4rem;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .about-copy p {
            font-size: 0.94rem;
            color: var(--ink-soft);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .about-copy strong {
            color: var(--main-deep);
        }

        .about-figure img {
            width: 100%;
            border-radius: var(--radius-md);
            box-shadow: 0 12px 24px rgba(6, 75, 73, 0.12);
        }

        .about-figure figcaption {
            margin-top: 0.7rem;
            font-size: 0.85rem;
            color: var(--ink-soft);
            text-align: center;
            background: var(--bg);
            padding: 0.45rem 0.8rem;
            border-radius: 40px;
            display: inline-block;
            margin-inline: auto;
        }

        .about-figure {
            text-align: center;
        }

        /* ===== strengths ===== */
        .strength-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.6rem;
        }

        .strength-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.4rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(11, 110, 107, 0.08);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .strength-card::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent);
            opacity: 0.5;
        }

        .strength-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .strength-card__icon {
            font-size: 1.6rem;
            margin-bottom: 1rem;
            color: var(--main);
        }

        .strength-card h3 {
            font-size: 1.06rem;
            color: var(--main-deep);
            margin-bottom: 0.75rem;
        }

        .strength-card p {
            font-size: 0.86rem;
            color: var(--ink-soft);
            line-height: 1.6;
        }

        /* ===== gallery ===== */
        .gallery-stack {
            display: flex;
            flex-direction: column;
            gap: 2.6rem;
        }

        .gallery-group__head {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.4rem;
        }

        .gallery-group__head h3 {
            font-size: 1.2rem;
            color: var(--main-deep);
            font-weight: 700;
        }

        .gallery-group__head span {
            font-size: 0.78rem;
            color: var(--ink-soft);
            letter-spacing: 0.04em;
            background: var(--bg-alt);
            border-radius: 30px;
            padding: 0.25rem 0.75rem;
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }

        .gallery-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(11, 110, 107, 0.1);
            box-shadow: var(--shadow-sm);
            transition: transform 0.2s ease, box-shadow 0.2s;
            padding-bottom: 0.8rem;
        }

        .gallery-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .gallery-card img {
            aspect-ratio: 1 / 0.85;
            object-fit: cover;
            background: var(--bg-alt);
            width: 100%;
        }

        .gallery-card p {
            padding: 0.7rem 0.8rem 0.4rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.4;
            text-align: left;
        }

        .gallery-card__tags {
            padding: 0 0.8rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-top: 0.1rem;
        }

        .gallery-card__tags span {
            font-size: 0.7rem;
            background: var(--bg);
            color: var(--ink-soft);
            border-radius: 30px;
            padding: 0.15rem 0.55rem;
            border: 1px solid var(--line);
        }

        /* ===== faq ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 1.5rem 1.5rem;
            border-left: 4px solid var(--accent);
        }

        .faq-item h3 {
            font-size: 1rem;
            color: var(--main-deep);
            margin-bottom: 0.6rem;
        }

        .faq-item p {
            font-size: 0.88rem;
            color: var(--ink-soft);
            line-height: 1.55;
        }

        /* ===== contact / cta ===== */
        .cta-panel {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 2.4rem;
            background: linear-gradient(120deg, var(--main-deep) 0%, #0b6e6b 70%);
            border-radius: var(--radius-lg);
            padding: 3rem 2.6rem;
            color: #f1faf7;
            border: 1px solid rgba(233, 161, 59, 0.25);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            right: -70px;
            top: -70px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(233, 161, 59, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-copy .eyebrow {
            margin-bottom: 0.6rem;
        }

        .cta-copy h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
        }

        .cta-copy p {
            font-size: 0.95rem;
            color: rgba(241, 250, 247, 0.85);
            margin-bottom: 1.2rem;
            max-width: 520px;
        }

        .contact-list {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            margin-top: 1rem;
        }

        .contact-list li {
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .cta-contact {
            background: rgba(255, 255, 255, 0.96);
            border-radius: var(--radius-lg);
            padding: 1.6rem 1.8rem;
            color: var(--ink);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.15);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .cta-contact > strong {
            font-size: 1.1rem;
            color: var(--main-deep);
            margin-bottom: 0.4rem;
        }

        .cta-contact > a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-deep);
            letter-spacing: 0.01em;
            margin-bottom: 0.9rem;
            transition: color 0.2s;
        }

        .cta-contact > a:hover {
            color: var(--main);
        }

        .cta-contact .cta-contact__meta {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            border-top: 1px dashed var(--line);
            padding-top: 1rem;
            margin-top: 1rem;
        }

        .cta-contact__meta div {
            display: flex;
            justify-content: space-between;
            gap: 1rem;
            font-size: 0.82rem;
        }

        .cta-contact__meta span {
            color: var(--ink-soft);
        }

        .cta-contact__meta strong {
            color: var(--main-deep);
            font-weight: 700;
        }

        /* ===== footer ===== */
        .footer {
            background: var(--main-deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 2.6rem 0 2.2rem;
            margin-top: 2rem;
        }

        .footer__inner {
            display: flex;
            flex-direction: column;
            gap: 1.4rem;
        }

        .footer-copy p {
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 780px;
            color: rgba(255, 255, 255, 0.78);
        }

        .friend-links-row {
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            padding-top: 1.4rem;
            margin-top: 0.4rem;
        }

        .friend-links {
            display: block;
        }

        .friend-links__inner {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.9rem;
            line-height: 1.6;
        }

        .friend-links__inner a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.78rem;
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(233, 161, 59, 0.5);
            transition: color 0.2s;
        }

        .friend-links__inner a:hover {
            color: var(--accent);
        }

        .footer-ts {
            text-align: right;
            font-size: 0.78rem;
            opacity: 0.75;
            margin-top: 0.5rem;
        }

        .footer-ts p {
            font-size: 0.78rem;
        }

        /* ===== float phone ===== */
        .float-phone {
            position: fixed;
            bottom: 28px;
            right: 28px;
            z-index: 90;
            background: var(--accent);
            color: #032221;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
            transition: background 0.2s, transform 0.2s;
        }

        .float-phone:hover {
            background: var(--accent-deep);
            transform: scale(1.06);
        }

        /* ===== responsive ===== */
        @media (max-width: 960px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2.4rem;
            }

            .about-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

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

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

            .faq-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .cta-panel {
                grid-template-columns: 1fr;
                gap: 2rem;
                padding: 2.2rem 1.8rem;
            }

            .header__inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .nav {
                width: 100%;
                justify-content: flex-start;
                gap: 0.9rem 1.4rem;
                margin-top: 0.4rem;
            }
        }

        @media (max-width: 600px) {
            .topbar__inner {
                justify-content: center;
            }

            .strength-grid {
                grid-template-columns: 1fr;
            }

            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.8rem;
            }

            .gallery-card p {
                font-size: 0.8rem;
                padding: 0.4rem 0.6rem 0.3rem;
            }

            .gallery-card__tags {
                padding: 0 0.6rem;
                gap: 0.3rem;
            }

            .gallery-card__tags span {
                font-size: 0.64rem;
            }

            .surface-card {
                padding: 1.8rem 1.2rem;
            }

            .cta-panel {
                border-radius: var(--radius-md);
                padding: 1.8rem 1.2rem;
            }

            .metric-grid {
                grid-template-columns: 1fr 1fr;
            }

            .float-phone {
                bottom: 20px;
                right: 20px;
                width: 46px;
                height: 46px;
            }
        }
    

.friend-links-row{display:block !important;width:100%;margin:18px 0 0;clear:both;}
.friend-links{display:block !important;width:100%;box-sizing:border-box;}
.friend-links__inner{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;width:100%;}
.friend-links__inner a{display:inline-block;font-size:12px;line-height:1.6;padding:0;color:inherit;text-decoration:none;opacity:.88;}
.friend-links__inner a:hover{text-decoration:underline;opacity:1;}
@media (max-width: 768px){
  .friend-links-row{margin-top:14px;}
  .friend-links__inner{gap:5px 10px;}
  .friend-links__inner a{font-size:11px;line-height:1.7;}
}