:root {
    --font-stack: "SF Pro Text","Myriad Set Pro","SF Pro Icons","Helvetica Neue",Helvetica,Arial,sans-serif;
    --main-green: #013b31;
    --accent-green: #01a862;
    --wps-red: #ff4d4f;
    --blue-link: #007aff;
    --section-bg: #f7f8f9;
    --border-color: #eee;
    --light-gray: rgb(210, 210, 215);
    --nav-h: 60px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #fff; font-family: var(--font-stack); -webkit-font-smoothing: antialiased; color: #333; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
.container { width: 1000px; margin: 0 auto; position: relative; }
.s-100 { height: 100px; } .s-60 { height: 60px; } .s-40 { height: 40px; }

/* ===== Banner ===== */
.banner { height: 430px; background-color: var(--main-green); background-position: center; background-size: cover; background-repeat: no-repeat; display: flex; align-items: center; }
.banner-text { font-size: 48px; color: #fff; font-weight: 600; }

/* ===== Nav ===== */
.nav-bar { height: var(--nav-h); background: #fff; border-bottom: 1px solid var(--border-color); position: sticky; top: 54px; z-index: 10; }
.nav-flex { display: flex; align-items: center; height: 100%; justify-content: space-between; }
.nav-items { display: flex; align-items: center; height: 100%; }
.nav-item { font-size: 17px; color: #666; margin-right: 45px; cursor: pointer; position: relative; height: var(--nav-h); line-height: var(--nav-h); flex-shrink: 0; transition: color .2s; user-select: none; }
.nav-item:hover { color: #333; }
.nav-item.active { color: #000; font-weight: 600; }
.nav-item.active::after { content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: #000; }

.lang-switch { display: flex; align-items: center; flex-shrink: 0; user-select: none; background: #f5f5f7; border-radius: 6px; padding: 4px; gap: 2px; }
.lang-btn { font-size: 13px; color: #666; cursor: pointer; transition: all .2s; padding: 4px 12px; border-radius: 4px; font-weight: 500; display: block; }
.lang-btn:hover { color: #333; }
.lang-btn.active { color: #fff; background: #000; font-weight: 600; }

/* ===== Sub Nav ===== */
.sub-nav { height: 36px; border-bottom: 1px solid var(--border-color); display: flex; gap: 40px; margin-bottom: 40px; }
.sub-item { font-size: 17px; color: var(--light-gray); cursor: pointer; padding-bottom: 10px; position: relative; border-bottom: 2px solid transparent; transition: .2s; flex-shrink: 0; user-select: none; }
.sub-item.active { color: #000; font-weight: 600; border-bottom-color: #000; }

/* ===== Sections ===== */
.page-section { display: none; }
.page-section.active { display: block; }
.anchor-target { scroll-margin-top: 80px; }

/* ===== CEO Quote ===== */
.ceo-quote-area { min-height: 370px; display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; padding: 80px 80px 60px; }
.quote-svg { width: 42px; height: 42px; fill: var(--accent-green); position: absolute; opacity: .6; }
.quote-text { font-size: 24px; line-height: 1.8; font-weight: 600; color: #333; text-align: center; padding: 0 20px; position: relative; z-index: 1; }
.quote-author { font-size: 14px; color: #666; margin-top: 30px; text-align: center; }

.divider-strip { height: 32px; background: var(--section-bg); width: 100%; }

/* ===== Section Title ===== */
.section-h2 { font-size: 48px; font-weight: 600; margin: 0 0 40px; color: #000; }

/* ===== Report Cards ===== */
.report-main-flex { display: flex; justify-content: space-between; align-items: flex-start; gap: 36px; }
.report-card { width: 482px; border: 1px solid var(--border-color); border-radius: 10px; overflow: hidden; background: #fff; transition: transform .3s, box-shadow .3s; }
.report-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,.05); }
.cover-img { width: 100%; aspect-ratio: 482 / 271; background: #f5f5f5; background-size: cover; background-position: center; }
.card-body { padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.doc-link { display: flex; align-items: center; color: #333; transition: color .2s; }
.doc-link:hover { color: var(--blue-link); }
.doc-link-title { font-weight: 700; font-size: 20px; }
.doc-link-sub { font-size: 14px; color: #666; }
.icon-pdf { width: 24px; height: 24px; margin-right: 12px; flex-shrink: 0; }
.chairman-area h3 { font-size: 24px; margin: 0 0 16px; }
.chairman-area p { font-size: 15px; line-height: 1.8; color: #666; }
.chairman-sign { text-align: right; font-weight: 600; margin-top: 40px; }

/* ===== Past Reports ===== */
.past-reports-section { background: var(--section-bg); padding: 80px 0; }
.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }

/* ===== ESG Rating ===== */
.rating-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.rating-box { border: 1px solid var(--border-color); border-radius: 10px; display: flex; background: #fff; height: 160px; }
.rating-logo { width: 50%; background: #fcfcfc; display: flex; align-items: center; justify-content: center; border-right: 1px solid var(--border-color); }
.rating-logo img { max-width: 140px; max-height: 80px; object-fit: contain; }
.rating-info { width: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.rating-score { font-size: 32px; font-weight: 600; }
.rating-label { font-size: 12px; color: #999; margin-top: 4px; padding: 0 10px; }

/* ===== Governance Policy ===== */
.policy-list { border-top: 1px solid var(--border-color); }
.policy-row { display: flex; justify-content: space-between; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--border-color); color: #333; transition: color .2s; }
.policy-row:hover { color: var(--blue-link); }
.policy-left { display: flex; align-items: center; }
.policy-date { color: #999; font-size: 14px; flex-shrink: 0; margin-left: 20px; }

/* ===== Awards ===== */
.award-grid { display: grid; grid-template-columns: repeat(4, 228px); justify-content: space-between; row-gap: 60px; padding-bottom: 80px; }
.award-card { width: 228px; text-align: center; }
.award-img-box { width: 228px; height: 228px; background: #fff; border: 1px solid var(--border-color); border-radius: 12px; margin-bottom: 24px; display: flex; align-items: center; justify-content: center; overflow: hidden; transition: transform .3s, box-shadow .3s; }
.award-card:hover .award-img-box { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,0,0,.05); }
.award-img-box img { max-width: 90%; max-height: 90%; object-fit: contain; }
.award-info { font-size: 15px; line-height: 1.6; color: #333; padding: 0 4px; }
.award-date { font-weight: 600; margin-bottom: 4px; display: block; }
.award-desc { font-weight: 500; }

/* ===== News ===== */
.news-card { border-radius: 10px; background: #fff; overflow: hidden; border: 1px solid #f0f0f0; transition: transform .3s, box-shadow .3s; cursor: pointer; display: block; color: inherit; }
.news-card:hover { transform: translateY(-6px); box-shadow: 0 10px 25px rgba(0,0,0,.08); }
.card-img { width: 100%; aspect-ratio: 482 / 205; background-color: #f0f0f0; background-size: cover; background-position: center; }
.news-card .card-body { height: 135px; display: flex; flex-direction: column; justify-content: space-between; }
.news-card .card-body h3 { font-size: 18px; line-height: 1.5; font-weight: 500; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-date { font-size: 14px; color: #999; }
.content-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: 36px; row-gap: 40px; padding-bottom: 60px; }
.content-list { padding-bottom: 60px; }
.list-item { display: flex; justify-content: space-between; align-items: center; padding: 35px 0; border-bottom: 1px solid var(--border-color); cursor: pointer; transition: color .2s; }
.list-item:hover { color: var(--blue-link); }
.list-title { font-size: 18px; font-weight: 500; }
.list-date { font-size: 14px; color: #999; flex-shrink: 0; margin-left: 20px; }

/* ===== Pagination ===== */
.pagination { display: flex; justify-content: center; align-items: center; gap: 20px; padding: 40px 0 80px; color: #999; font-size: 14px; }
.page-num { cursor: pointer; transition: color .2s; }
.page-num:hover { color: #333; }
.page-num.active { color: var(--wps-red); font-weight: bold; }
.page-arrow { cursor: pointer; transition: color .2s; }
.page-arrow:hover { color: #333; }
.page-arrow.disabled { opacity: .4; cursor: default; pointer-events: none; }

/* ===== Footer ===== */
.footer-wrap { background: var(--section-bg); padding: 40px 0; border-top: 1px solid var(--border-color); }
.footer-wrap .container { font-size: 12px; color: #999; }

/* ===== Sub Content Toggle ===== */
.sub-content { display: none; }
.sub-content.active { display: block; }
.sub-content.active.content-grid { display: grid; }

/* ===== Mobile ===== */
@media (max-width: 1060px) {
    .container { width: auto; margin: 0 20px; }
    .banner { height: 240px; }
    .banner-text { font-size: 32px; }
    .nav-bar { top: 54px; z-index: 10; }
    .nav-items { overflow-x: auto; -webkit-overflow-scrolling: touch; flex: 1; margin-right: 16px; }
    .nav-items::-webkit-scrollbar { display: none; }
    .nav-item { margin-right: 30px; font-size: 15px; }
    .s-100 { height: 50px; }
    .section-h2 { font-size: 32px; margin-bottom: 30px; }
    .ceo-quote-area { min-height: auto; padding: 50px 40px; }
    .quote-text { font-size: 18px; padding: 0 10px; }
    .quote-svg { width: 32px; height: 32px; }
    .report-main-flex { flex-direction: column; }
    .report-card { width: 100% !important; }
    .chairman-area { width: 100% !important; }
    .report-grid, .rating-grid { grid-template-columns: 1fr; }
    .award-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 20px; }
    .award-card { width: 100%; }
    .award-img-box { width: 100%; height: auto; aspect-ratio: 1; }
    .content-grid { grid-template-columns: 1fr; }
    .list-title { font-size: 16px; flex: 1; }
    .sub-nav { overflow-x: auto; gap: 25px; }
    .sub-nav::-webkit-scrollbar { display: none; }
}