@font-face {
    font-family: 'DINCondensed';
    src: url('../font/DINCondensedC.woff') format('woff'),
         url('../font/DINCondensedC.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root {
    --yellow: #FFD100;
    --orange: #ff9600;
    --ink: #2f2f2f;
    --text: #5a5a5a;
    --muted: #8a8a8a;
    --line: #ececec;
    --bg: #F7F7F7;
    --max: 1200px;
}

* { box-sizing: border-box; }

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

body {
    margin: 0;
    font-family: "微软雅黑", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Helvetica, Arial, sans-serif;
    color: var(--text);
    font-size: 15px;
    line-height: 1.8;
    background: #fff;
}

h1, h2, h3, h4, p, ul, li, figure { margin: 0; padding: 0; }
ul { list-style: none; }
img { max-width: 100%; border: 0; display: block; }
a { color: var(--text); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--orange); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.num { font-family: 'DINCondensed', Arial, sans-serif; letter-spacing: .04em; }

/* ---------- header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    box-shadow: 0 1px 8px rgba(0, 0, 0, .06);
}
.header-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 20px;
    height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo img { height: 46px; width: auto; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
    display: block;
    padding: 0 20px;
    line-height: 82px;
    font-size: 16px;
    color: #3e3e3e;
    position: relative;
}
.nav a::after {
    content: '';
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 26px;
    height: 2px;
    background: linear-gradient(90deg, var(--yellow), var(--orange));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s ease;
}
.nav a:hover::after,
.nav a.active::after { transform: scaleX(1); }
.nav a.active { color: var(--orange); }
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
    color: #3e3e3e;
    font-size: 18px;
}

/* ---------- hero ---------- */
.hero {
    position: relative;
    min-height: 560px;
    display: flex;
    align-items: center;
    background: url('../images/indpic.jpg') center 55% / cover no-repeat;
    color: #fff;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(12, 20, 38, .86) 0%, rgba(12, 20, 38, .68) 46%, rgba(12, 20, 38, .26) 100%);
}
.hero .wrap { position: relative; z-index: 1; padding-top: 80px; padding-bottom: 80px; }
.hero-eyebrow {
    font-size: 13px;
    letter-spacing: .32em;
    text-transform: uppercase;
    color: var(--yellow);
    margin-bottom: 18px;
}
.hero h1 {
    font-size: 46px;
    line-height: 1.3;
    font-weight: 600;
    color: #fff;
    letter-spacing: .02em;
}
.hero h1 span { color: var(--yellow); }
.hero p {
    max-width: 620px;
    margin-top: 20px;
    font-size: 16px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .82);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn {
    display: inline-block;
    padding: 0 32px;
    height: 48px;
    line-height: 48px;
    font-size: 15px;
    border-radius: 30px;
    transition: all .3s ease;
}
.btn-primary {
    background: linear-gradient(-45deg, var(--yellow), var(--orange));
    color: #fff;
    box-shadow: 0 8px 20px rgba(255, 150, 0, .28);
}
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 24px rgba(255, 150, 0, .34); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .55); color: #fff; }
.btn-ghost:hover { border-color: var(--yellow); color: var(--yellow); }

/* ---------- section ---------- */
.section { padding: 84px 0; }
.section.gray { background: var(--bg); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .eyebrow {
    font-size: 12px;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 10px;
}
.section-head h2 {
    font-size: 30px;
    font-weight: 600;
    color: var(--ink);
    position: relative;
    display: inline-block;
    padding-bottom: 18px;
}
.section-head h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 44px;
    height: 3px;
    background: var(--yellow);
}
.section-head p { margin-top: 14px; color: var(--muted); font-size: 15px; }

/* ---------- business ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.biz-card {
    background: #fff;
    border: 1px solid var(--line);
    padding: 42px 40px;
    position: relative;
    overflow: hidden;
    transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.biz-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--yellow), var(--orange));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform .35s ease;
}
.biz-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(0, 0, 0, .07); border-color: transparent; }
.biz-card:hover::before { transform: scaleY(1); }
.biz-icon {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    background: linear-gradient(-45deg, var(--yellow), var(--orange));
    margin-bottom: 24px;
}
.biz-card h3 { font-size: 21px; color: var(--ink); font-weight: 600; margin-bottom: 6px; }
.biz-card .biz-sub { font-size: 13px; color: var(--orange); letter-spacing: .06em; margin-bottom: 16px; }
.biz-card p { font-size: 15px; line-height: 1.95; }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-media { position: relative; }
.about-media img { width: 100%; height: 420px; object-fit: cover; }
.about-media::after {
    content: '';
    position: absolute;
    left: 18px;
    top: 18px;
    right: -18px;
    bottom: -18px;
    border: 3px solid var(--yellow);
    z-index: -1;
}
.about-text .eyebrow {
    font-size: 12px;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 12px;
}
.about-text h2 {
    font-size: 30px;
    font-weight: 600;
    color: var(--ink);
    position: relative;
    padding-bottom: 22px;
    margin-bottom: 24px;
}
.about-text h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 44px;
    height: 3px;
    background: var(--yellow);
}
.about-text p { margin-bottom: 16px; line-height: 1.95; }
.about-text .btn { margin-top: 14px; }

/* ---------- advantages ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.adv-item {
    background: #fff;
    padding: 40px 34px;
    border-top: 3px solid transparent;
    transition: all .35s ease;
}
.adv-item:hover { border-top-color: var(--yellow); box-shadow: 0 14px 32px rgba(0, 0, 0, .06); }
.adv-item i { font-size: 26px; color: var(--orange); margin-bottom: 18px; display: block; }
.adv-item h3 { font-size: 18px; color: var(--ink); font-weight: 600; margin-bottom: 12px; }
.adv-item p { font-size: 14px; line-height: 1.9; }

/* ---------- spirit ---------- */
.spirit { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; background: #fff; }
.spirit-item { padding: 40px 34px; border-left: 1px solid var(--line); }
.spirit-item:first-child { border-left: 0; }
.spirit-item .label {
    display: inline-block;
    font-size: 12px;
    letter-spacing: .18em;
    color: #fff;
    background: var(--orange);
    padding: 2px 12px;
    border-radius: 20px;
    margin-bottom: 16px;
}
.spirit-item h3 { font-size: 19px; color: var(--ink); font-weight: 600; margin-bottom: 10px; line-height: 1.6; }
.spirit-item p { font-size: 14px; line-height: 1.9; }

/* ---------- contact band ---------- */
.contact-band {
    background: linear-gradient(120deg, #1d2433 0%, #2c3850 100%);
    color: #fff;
    padding: 66px 0;
}
.contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
.contact-copy .eyebrow { font-size: 12px; letter-spacing: .28em; text-transform: uppercase; color: var(--yellow); margin-bottom: 12px; }
.contact-copy h2 { font-size: 28px; font-weight: 600; color: #fff; margin-bottom: 14px; }
.contact-copy p { color: rgba(255, 255, 255, .72); font-size: 15px; }
.contact-mail {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    font-size: 20px;
    color: #fff;
    font-family: 'DINCondensed', Arial, sans-serif;
    letter-spacing: .06em;
}
.contact-mail i { color: var(--yellow); font-size: 18px; }
.contact-mail:hover { color: var(--yellow); }
.contact-qr { text-align: center; background: #fff; padding: 14px; border-radius: 6px; }
.contact-qr img { width: 132px; height: 132px; object-fit: cover; }
.contact-qr span { display: block; margin-top: 8px; font-size: 12px; color: #666; }

/* ---------- page banner ---------- */
.page-banner {
    position: relative;
    min-height: 280px;
    display: flex;
    align-items: center;
    background: url('../images/indpic.jpg') center 45% / cover no-repeat;
    color: #fff;
    text-align: center;
}
.page-banner::before { content: ''; position: absolute; inset: 0; background: rgba(12, 20, 38, .72); }
.page-banner .wrap { position: relative; z-index: 1; padding: 60px 20px; width: 100%; }
.page-banner h1 { font-size: 34px; font-weight: 600; color: #fff; letter-spacing: .04em; }
.page-banner .en { font-size: 12px; letter-spacing: .3em; text-transform: uppercase; color: var(--yellow); margin-top: 10px; }

.bread { background: #fff; border-bottom: 1px solid var(--line); }
.bread .wrap { display: flex; align-items: center; gap: 10px; height: 56px; font-size: 13px; color: var(--muted); }
.bread a { color: var(--muted); }
.bread a:hover { color: var(--orange); }
.bread i { font-size: 10px; color: #c8c8c8; }

/* ---------- article layout ---------- */
.page-body { padding: 64px 0 84px; background: var(--bg); }
.page-grid { display: grid; grid-template-columns: 250px 1fr; gap: 34px; align-items: start; }
.side { background: #fff; }
.side h3 {
    font-size: 17px;
    color: #fff;
    font-weight: 600;
    background: linear-gradient(-45deg, var(--yellow), var(--orange));
    padding: 16px 22px;
    letter-spacing: .04em;
}
.side ul li a {
    display: block;
    padding: 14px 22px;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
    color: #4a4a4a;
}
.side ul li a:hover { color: var(--orange); background: #fffdf3; }
.side ul li:last-child a { border-bottom: 0; }

.article { background: #fff; padding: 48px 52px; }
.article h2 {
    font-size: 22px;
    color: var(--ink);
    font-weight: 600;
    margin: 40px 0 18px;
    padding-left: 14px;
    position: relative;
    line-height: 1.5;
}
.article h2:first-child { margin-top: 0; }
.article h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    background: linear-gradient(180deg, var(--yellow), var(--orange));
}
.article p { margin-bottom: 16px; line-height: 2; text-align: justify; }
.article .lead {
    font-size: 16px;
    color: #444;
    background: #fffdf5;
    border-left: 3px solid var(--yellow);
    padding: 22px 26px;
    line-height: 2;
    margin-bottom: 36px;
}
.article h3 { font-size: 17px; color: var(--ink); font-weight: 600; margin: 24px 0 8px; }
.article ul.dot { margin: 8px 0 20px; }
.article ul.dot li { position: relative; padding-left: 18px; margin-bottom: 8px; line-height: 1.95; }
.article ul.dot li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--yellow);
}
.article strong { color: #333; font-weight: 600; }

/* ---------- contact page ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.contact-card {
    background: #fff;
    padding: 34px 32px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    border: 1px solid var(--line);
    transition: all .3s ease;
}
.contact-card:hover { box-shadow: 0 14px 32px rgba(0, 0, 0, .06); border-color: transparent; }
.contact-card .ico {
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    border-radius: 50%;
    background: #fff7e0;
    color: var(--orange);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.contact-card h3 { font-size: 16px; color: var(--ink); font-weight: 600; margin-bottom: 8px; }
.contact-card p, .contact-card a { font-size: 15px; color: #555; line-height: 1.8; word-break: break-all; }
.contact-card a:hover { color: var(--orange); }
.qr-card { grid-column: span 2; align-items: center; }
.qr-card img { width: 150px; height: 150px; object-fit: cover; border: 1px solid var(--line); padding: 6px; background: #fff; }
.qr-card .qr-text h3 { margin-bottom: 12px; }
.qr-card .qr-text p { color: var(--muted); font-size: 14px; }

/* ---------- footer ---------- */
.site-footer { background: #23262d; color: rgba(255, 255, 255, .62); padding: 56px 0 0; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; padding-bottom: 44px; }
.footer-brand img { height: 42px; width: auto; margin-bottom: 18px; background: #fff; padding: 6px 10px; border-radius: 4px; }
.footer-brand p { line-height: 1.9; font-size: 13.5px; color: rgba(255, 255, 255, .55); }
.footer-col h4 { font-size: 15px; color: #fff; font-weight: 600; margin-bottom: 18px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: rgba(255, 255, 255, .62); font-size: 13.5px; }
.footer-col a:hover { color: var(--yellow); }
.footer-qr img { width: 104px; height: 104px; object-fit: cover; background: #fff; padding: 4px; border-radius: 3px; }
.footer-qr span { display: block; margin-top: 8px; font-size: 12px; color: rgba(255, 255, 255, .45); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 22px 0;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 12.5px;
    color: rgba(255, 255, 255, .42);
}
.footer-bottom a { color: rgba(255, 255, 255, .42); }
.footer-bottom a:hover { color: var(--yellow); }

/* ---------- 404 ---------- */
.err {
    min-height: 62vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
}
.err .code {
    font-family: 'DINCondensed', Arial, sans-serif;
    font-size: 120px;
    line-height: 1;
    color: var(--yellow);
    letter-spacing: .06em;
}
.err h1 { font-size: 24px; color: var(--ink); margin: 12px 0 10px; font-weight: 600; }
.err p { color: var(--muted); margin-bottom: 26px; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
    .about-grid { gap: 40px; }
    .article { padding: 40px 36px; }
}

@media (max-width: 900px) {
    .header-inner { height: 68px; }
    .logo img { height: 38px; }
    .nav-toggle { display: block; }
    .nav {
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        box-shadow: 0 12px 24px rgba(0, 0, 0, .08);
        display: none;
    }
    .nav.open { display: flex; }
    .nav a { line-height: 50px; padding: 0 24px; border-top: 1px solid var(--line); }
    .nav a::after { display: none; }
    .nav a.active { background: #fffdf3; }

    .hero { min-height: 460px; }
    .hero h1 { font-size: 32px; }
    .hero p { font-size: 15px; }
    .section { padding: 56px 0; }
    .biz-grid, .adv-grid, .spirit, .contact-grid { grid-template-columns: 1fr; }
    .spirit-item { border-left: 0; border-top: 1px solid var(--line); }
    .spirit-item:first-child { border-top: 0; }
    .about-grid { grid-template-columns: 1fr; }
    .about-media { order: 2; }
    .about-media img { height: 300px; }
    .about-media::after { display: none; }
    .page-grid { grid-template-columns: 1fr; }
    .side ul { display: flex; flex-wrap: wrap; }
    .side ul li { flex: 1 1 50%; }
    .side ul li a { border-bottom: 1px solid var(--line); }
    .qr-card { grid-column: span 1; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 30px; }
    .contact-inner { gap: 32px; }
}

@media (max-width: 560px) {
    .hero h1 { font-size: 26px; }
    .section-head h2 { font-size: 24px; }
    .about-text h2 { font-size: 24px; }
    .biz-card { padding: 30px 26px; }
    .article { padding: 30px 22px; }
    .footer-top { grid-template-columns: 1fr; }
    .contact-card { padding: 26px 22px; }
    .qr-card { flex-direction: column; }
    .page-banner h1 { font-size: 26px; }
}