:root {
        --primary: #0b5e6b;
        --primary-dark: #063f48;
        --secondary: #d98324;
        --bg-soft: #f4f1ea;
        --surface: #ffffff;
        --ink: #1f2a2e;
        --muted: #576a70;
        --radius-lg: 24px;
        --shadow-sm: 0 10px 25px -10px rgba(0, 0, 0, 0.07);
        --shadow-md: 0 24px 44px -18px rgba(0, 0, 0, 0.15);
    }

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

    body {
        font-family: 'Microsoft Sans Serif', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        background-color: var(--bg-soft);
        color: var(--ink);
        line-height: 1.65;
    }

    .container {
        max-width: 1240px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* topbar */
    .topbar {
        background: #0b3f48;
        color: #c5dfda;
        padding: 10px 0;
        font-size: 0.85rem;
        letter-spacing: 0.2px;
    }

    .topbar span {
        opacity: 0.9;
    }

    /* header */
    .header {
        background: var(--surface);
        box-shadow: 0 5px 16px rgba(0, 0, 0, 0.05);
        padding: 0 24px;
        position: sticky;
        top: 0;
        z-index: 45;
        border-bottom: 3px solid var(--secondary);
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
    }

    .brand {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 14px 0;
        text-decoration: none;
    }

    .brand__mark {
        width: 10px;
        height: 10px;
        background: var(--secondary);
        border-radius: 2px;
        box-shadow: 0 0 0 4px rgba(217, 131, 36, 0.2);
    }

    .brand__text strong {
        font-size: 1.5rem;
        color: var(--primary-dark);
        display: block;
        line-height: 1.2;
    }

    .brand__text span {
        font-size: 0.8rem;
        color: var(--muted);
        letter-spacing: 0.3px;
    }

    .nav {
        display: flex;
        gap: 2rem;
        align-items: center;
        flex-wrap: wrap;
        padding: 10px 0;
    }

    .nav a {
        text-decoration: none;
        color: var(--ink);
        font-weight: 500;
        font-size: 0.95rem;
    }

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

    /* hero */
    .hero {
        background: linear-gradient(115deg, #0d4b57 0%, #17707a 70%, #1d7f74 100%);
        color: #fff;
        padding: 4.5rem 0 5rem;
        position: relative;
        overflow: hidden;
    }

    .hero::before {
        content: "▲";
        position: absolute;
        right: 3%;
        bottom: -58px;
        font-size: 24rem;
        opacity: 0.03;
        color: #f2b366;
        transform: rotate(15deg);
    }

    .hero-grid {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 2.5rem;
        align-items: center;
        position: relative;
        z-index: 3;
    }

    .hero-copy .eyebrow {
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(217, 131, 36, 0.4);
        display: inline-block;
        padding: 0.3rem 1rem;
        border-radius: 40px;
        font-size: 0.8rem;
        font-weight: 600;
        margin-bottom: 1rem;
    }

    .hero-copy h1 {
        font-size: 2.7rem;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 1.2rem;
    }

    .hero-copy p {
        font-size: 1.05rem;
        color: #cde8e4;
        max-width: 500px;
        margin-bottom: 1.6rem;
    }

    .chip-row {
        display: flex;
        flex-wrap: wrap;
        gap: 0.6rem;
        margin-bottom: 0.6rem;
    }

    .chip-row span {
        background: rgba(255, 255, 255, 0.1);
        padding: 0.25rem 1rem;
        border-radius: 30px;
        font-size: 0.8rem;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .hero-side {
        background: rgba(0, 0, 0, 0.2);
        border-radius: 28px;
        padding: 2rem;
        backdrop-filter: blur(6px);
        border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .metric-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
        margin-bottom: 1.8rem;
    }

    .metric-grid div {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 16px;
        padding: 0.9rem;
        text-align: center;
    }

    .metric-grid strong {
        display: block;
        font-size: 1.3rem;
        color: var(--secondary);
    }

    .metric-grid span {
        font-size: 0.75rem;
        opacity: 0.8;
    }

    .hero-side__contact strong {
        display: block;
        font-size: 0.9rem;
        color: #d5ece9;
        margin-bottom: 0.4rem;
    }

    .hero-side__contact a {
        font-size: 1.8rem;
        font-weight: 800;
        color: #fff;
        text-decoration: none;
        word-break: keep-all;
    }

    .hero-side__contact p {
        font-size: 0.9rem;
        color: #d0e9e4;
        margin-top: 0.6rem;
    }

    /* section */
    .section {
        padding: 4.5rem 0;
    }

    .section-head {
        margin-bottom: 2.5rem;
        text-align: center;
    }

    .section-head h2 {
        font-size: 2rem;
        color: var(--primary-dark);
        font-weight: 700;
        letter-spacing: -0.3px;
    }

    .section-head span {
        color: var(--secondary);
        font-size: 0.85rem;
        letter-spacing: 2px;
        text-transform: uppercase;
    }

    .panel {
        background: var(--surface);
        border-radius: var(--radius-lg);
        padding: 2.4rem;
        box-shadow: var(--shadow-sm);
    }

    .company-grid {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 2.5rem;
        align-items: center;
    }

    .company-copy p {
        color: var(--muted);
        margin-bottom: 1.1rem;
    }

    .figure {
        margin: 0;
    }

    .figure img {
        width: 100%;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
    }

    .figure figcaption {
        margin-top: 0.8rem;
        text-align: center;
        color: var(--muted);
        font-size: 0.9rem;
    }

    /* strengths (timeline) */
    .strength-list {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
        margin-top: 1rem;
    }

    .strength-item {
        display: flex;
        gap: 1.2rem;
        background: var(--surface);
        padding: 1.5rem 1.8rem;
        border-radius: 18px;
        box-shadow: var(--shadow-sm);
        border-left: 6px solid var(--secondary);
    }

    .strength-item .num {
        font-size: 2rem;
        font-weight: 800;
        color: var(--secondary);
        min-width: 60px;
        text-align: center;
        opacity: 0.85;
    }

    .strength-item h3 {
        font-size: 1.2rem;
        color: var(--primary-dark);
        margin-bottom: 0.3rem;
    }

    .strength-item p {
        color: var(--muted);
        font-size: 0.9rem;
    }

    /* faq */
    .faq-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .faq-item {
        background: var(--surface);
        padding: 1.5rem;
        border-radius: 18px;
        box-shadow: var(--shadow-sm);
        border-left: 4px solid var(--secondary);
    }

    .faq-item h3 {
        color: var(--primary-dark);
        margin-bottom: 0.5rem;
        font-size: 1.1rem;
    }

    .faq-item p {
        color: var(--muted);
        font-size: 0.9rem;
    }

    /* cta */
    .cta-panel {
        background: var(--primary-dark);
        border-radius: 36px;
        padding: 3.5rem 3rem;
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 3rem;
        color: #fff;
        box-shadow: var(--shadow-md);
    }

    .cta-copy .eyebrow {
        color: var(--secondary);
        letter-spacing: 2px;
        text-transform: uppercase;
        font-size: 0.8rem;
    }

    .cta-copy h2 {
        font-size: 2.1rem;
        margin: 0.6rem 0;
    }

    .cta-copy p {
        color: #d1eae5;
    }

    .contact-list {
        list-style: none;
        margin-top: 1.2rem;
    }

    .contact-list li {
        padding: 0.25rem 0;
    }

    .cta-contact {
        background: rgba(255, 255, 255, 0.06);
        border-radius: 28px;
        padding: 2rem;
        border: 1px solid rgba(217, 131, 36, 0.3);
    }

    .cta-contact strong {
        display: block;
        font-size: 1.2rem;
        margin-bottom: 0.3rem;
    }

    .cta-contact a {
        font-size: 1.9rem;
        font-weight: 800;
        color: var(--secondary);
        text-decoration: none;
    }

    .cta-contact p {
        margin-top: 0.9rem;
    }

    .cta-contact a.link-home {
        font-size: 0.9rem;
        font-weight: normal;
        background: rgba(255, 255, 255, 0.1);
        padding: 0.4rem 1rem;
        border-radius: 40px;
        display: inline-block;
        margin-top: 0.5rem;
    }

    /* footer */
    .footer {
        background: var(--primary-dark);
        color: #c0d6d1;
        padding: 2rem 0 1rem;
        margin-top: 3rem;
    }

    .footer__inner p {
        max-width: 900px;
        margin-bottom: 0.7rem;
        font-size: 0.9rem;
    }

    .friend-links-row {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        margin-top: 1.4rem;
        padding-top: 1rem;
    }

    .friend-links__inner {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.8rem 1.3rem;
        font-size: 0.8rem;
    }

    .friend-links__inner a {
        color: #b5d9d2;
        text-decoration: none;
        border-bottom: 1px solid transparent;
        transition: 0.2s;
    }

    .friend-links__inner a:hover {
        color: var(--secondary);
        border-bottom-color: var(--secondary);
    }

    .timestamp {
        text-align: center;
        margin-top: 2rem;
        font-size: 0.7rem;
        color: #8fa9a4;
        letter-spacing: 1px;
    }

    @media (max-width: 900px) {
        .hero-grid,
        .company-grid,
        .cta-panel {
            grid-template-columns: 1fr;
        }

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

        .nav {
            gap: 0.7rem;
            justify-content: center;
            width: 100%;
        }
    }

    @media (max-width: 600px) {
        .brand__text strong {
            font-size: 1.2rem;
        }

        .hero-copy h1 {
            font-size: 2rem;
        }

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

        .cta-panel {
            padding: 2rem 1.5rem;
        }
    }


.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;}
}