/* ===== base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #2b2b28;
    --secondary: #3d3d38;
    --accent: #d97706;
    --gold: #fbbf24;
    --light: #f0f0f0;
    --gray: #888;
    --radius: 12px;
    --shadow: 0 8px 32px rgba(0,0,0,0.18);
    --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    --transition: 0.3s cubic-bezier(.4,0,.2,1);
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: #fafafa; color: #222; line-height: 1.7; font-size: 16px; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
img { display: block; max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.sec { padding: 70px 0; }
.alt { background: #f5f7fa; }
.tc { text-align: center; }
.sec-title { font-size: 32px; font-weight: 700; color: var(--primary); margin-bottom: 12px; line-height: 1.3; }
.sec-title span { color: var(--accent); }
.sec-sub { color: #666; max-width: 680px; margin-bottom: 40px; }
.tc .sec-sub { margin-left: auto; margin-right: auto; }

/* ===== breadcrumb ===== */
.bc { background: #f5f5f5; padding: 10px 0; font-size: 13px; color: #666; }
.bc a { color: #666; }
.bc a:hover { color: var(--accent); }
.bc .bc-sep { margin: 0 8px; color: #bbb; }

/* ===== friend links ===== */
.flinks { background: #f7f8fa; padding: 32px 0; border-top: 1px solid #e8ecf2; }
.flinks .fl-title { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 14px; }
.flinks ul { list-style: none; display: flex; flex-wrap: wrap; gap: 9px 24px; }
.flinks a { color: #666; font-size: 13px; }
.flinks a:hover { color: var(--accent); }
.flinks.g2 ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 26px; }
.flinks.g2 a { position: relative; padding-left: 13px; }
.flinks.g2 a::before { content: ''; position: absolute; left: 0; top: 50%; margin-top: -2px; width: 4px; height: 4px; background: var(--accent); border-radius: 50%; }
.flinks.col ul { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 11px 22px; }
.flinks.col a { display: block; padding: 7px 12px; background: #fff; border-radius: calc(var(--radius) - 4px); border: 1px solid #e8ecf2; }
.flinks.col a:hover { border-color: var(--accent); }
@media (max-width: 768px) {
    .flinks.g2 ul, .flinks.col ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ===== modal ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.75); display: flex; align-items: center; justify-content: center; z-index: 2000; opacity: 0; pointer-events: none; transition: opacity var(--transition); padding: 20px; }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-box { background: #fff; border-radius: var(--radius); max-width: 560px; width: 100%; padding: 30px; position: relative; max-height: 90vh; overflow-y: auto; }
.modal-close { position: absolute; top: 16px; right: 16px; width: 32px; height: 32px; border: none; background: #f0f0f0; border-radius: 50%; cursor: pointer; font-size: 18px; line-height: 1; color: #444; }
.modal-box h2 { font-size: 24px; margin-bottom: 8px; color: var(--primary); }
.modal-box .m-year { color: #888; margin-bottom: 16px; }
.modal-box .m-desc { color: #555; line-height: 1.8; margin-bottom: 16px; }
.modal-box .m-meta { color: var(--accent); font-size: 14px; font-weight: 600; }

/* ===== demo -> detail links (works cards / faq questions become real anchors) ===== */
a.wk1-btn { display: inline-block; text-align: center; }
.fq1-link { color: inherit; }
.fq1-link:hover { color: var(--accent); }

.nv1-bar { position: sticky; top: 0; z-index: 1000; background: var(--primary); border-bottom: 3px solid var(--accent); box-shadow: 0 2px 18px rgba(0,0,0,0.28); }
.nv1-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 64px; }
.nv1-logo { display: flex; align-items: center; gap: 9px; color: #fff; text-decoration: none; flex-shrink: 0; }
.nv1-ico { font-size: 22px; line-height: 1; }
.nv1-kw { font-size: 21px; font-weight: 800; letter-spacing: 1px; white-space: nowrap; }
.nv1-kw em { font-style: normal; color: var(--gold); }
.nv1-brand { font-size: 12px; color: rgba(255,255,255,0.5); padding-left: 9px; border-left: 1px solid rgba(255,255,255,0.22); white-space: nowrap; }
.nv1-menu { display: flex; align-items: center; gap: 4px; list-style: none; flex-wrap: wrap; }
.nv1-menu a { display: block; padding: 8px 15px; font-size: 14px; color: rgba(255,255,255,0.86); border-radius: 999px; text-decoration: none; }
.nv1-menu a:hover { background: rgba(255,255,255,0.14); color: #fff; }
@media (max-width:768px) {
    .nv1-inner { flex-wrap: wrap; justify-content: center; gap: 8px; padding: 10px 0; }
    .nv1-kw { font-size: 18px; }
    .nv1-ico { font-size: 19px; }
    .nv1-brand { font-size: 11px; }
    .nv1-menu { justify-content: center; gap: 2px; width: 100%; }
    .nv1-menu a { padding: 6px 10px; font-size: 13px; }
}
.hr10-hero {
    padding: 84px 0;
    background: #fff;
}
.hr10-grid {
    display: grid;
    grid-template-columns: 1fr 340px 1fr;
    gap: 46px;
    align-items: center;
}
.hr10-left {
    text-align: right;
}
.hr10-kicker {
    margin-bottom: 16px;
    color: var(--gray);
    font-size: 13px;
    letter-spacing: 5px;
}
.hr10-title {
    color: var(--primary);
    font-size: 38px;
    font-weight: 800;
    line-height: 1.26;
}
.hr10-title span {
    display: block;
    margin-top: 12px;
    color: var(--accent);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 3px;
}
.hr10-media {
    position: relative;
}
.hr10-img {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.hr10-note {
    position: absolute;
    left: 50%;
    bottom: 18px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: rgba(255,255,255,0.94);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    white-space: nowrap;
}
.hr10-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    padding-left: 22px;
    border-left: 3px solid var(--gold);
}
.hr10-desc {
    color: #555;
    font-size: 15px;
    line-height: 1.9;
}
.hr10-btn {
    padding: 13px 34px;
    border-radius: var(--radius);
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    transition: background 0.3s ease, transform 0.3s ease;
}
.hr10-btn:hover {
    background: var(--accent);
    color: #fff;
    transform: translateX(4px);
}
@media (max-width: 768px) {
    .hr10-hero {
        padding: 44px 0;
    }
    .hr10-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .hr10-left {
        text-align: left;
    }
    .hr10-kicker {
        margin-bottom: 10px;
        font-size: 12px;
        letter-spacing: 3px;
    }
    .hr10-title {
        font-size: 26px;
    }
    .hr10-title span {
        margin-top: 6px;
        font-size: 15px;
        letter-spacing: 1px;
    }
    .hr10-img {
        aspect-ratio: 16 / 10;
    }
    .hr10-note {
        bottom: 12px;
        padding: 5px 12px;
    }
    .hr10-right {
        gap: 16px;
        padding-left: 14px;
    }
    .hr10-desc {
        font-size: 14px;
        line-height: 1.75;
    }
    .hr10-btn {
        padding: 11px 26px;
        font-size: 14px;
    }
}
.it4-head { margin-bottom: 34px; }
.it4-head .sec-sub { margin-bottom: 0; }
.it4-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.it4-card { padding: 30px 32px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.it4-card p { color: #555; line-height: 1.9; font-size: 15px; margin-bottom: 14px; }
.it4-card p:last-child { margin-bottom: 0; }
.it4-card p strong { color: var(--primary); }
.it4-card-wide { grid-column: span 2; }
.it4-card-data { display: flex; flex-direction: column; justify-content: center; gap: 18px; background: var(--primary); }
.it4-metric { display: flex; align-items: baseline; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid rgba(255, 255, 255, .14); }
.it4-metric:last-child { padding-bottom: 0; border-bottom: 0; }
.it4-mnum { font-size: 30px; line-height: 1; font-weight: 800; color: #fff; }
.it4-mlbl { font-size: 13px; color: rgba(255, 255, 255, .72); }
@media (max-width: 768px) {
    .it4-grid { grid-template-columns: 1fr; gap: 16px; }
    .it4-card { padding: 22px 20px; }
    .it4-card-wide { grid-column: span 1; }
    .it4-card-data { gap: 14px; }
    .it4-mnum { font-size: 24px; }
}
.wk7-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
}
.wk7-cards .wk1-item {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.wk7-cards .wk1-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 48px rgba(15,23,42,0.18);
}
.wk7-cards .wk1-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--light);
}
.wk7-cards .wk1-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(15,23,42,0) 52%, rgba(15,23,42,0.55) 100%);
}
.wk7-cards .wk1-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.wk7-cards .wk1-item:hover .wk1-thumb img {
    transform: scale(1.06);
}
.wk7-cards .wk1-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
    padding: 6px 15px;
    border-radius: 999px;
    background: var(--gold);
    color: #1f2937;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}
.wk7-cards .wk1-idx {
    position: absolute;
    right: 18px;
    bottom: 12px;
    z-index: 2;
    color: #fff;
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
    opacity: 0.85;
}
.wk7-cards .wk1-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 24px 26px 26px;
}
.wk7-cards .wk1-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}
.wk7-cards .wk1-title {
    margin: 0;
    color: var(--primary);
    font-size: 24px;
    font-weight: 700;
    line-height: 1.34;
}
.wk7-cards .wk1-tag {
    flex: none;
    padding: 4px 13px;
    border-radius: 999px;
    background: var(--light);
    color: var(--secondary);
    font-size: 12px;
}
.wk7-cards .wk1-meta {
    margin-top: 10px;
    color: var(--gray);
    font-size: 14px;
    letter-spacing: 0.5px;
}
.wk7-cards .wk1-desc {
    margin: 14px 0 22px;
    color: var(--gray);
    font-size: 14px;
    line-height: 1.85;
}
.wk7-cards .wk1-btn {
    align-self: flex-start;
    margin-top: auto;
    padding: 11px 30px;
    border: none;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background 0.25s ease, transform 0.25s ease;
}
.wk7-cards .wk1-btn:hover {
    background: var(--primary);
    transform: translateX(4px);
}
@media (max-width: 768px) {
    .wk7-cards {
        grid-template-columns: minmax(0, 1fr);
        gap: 18px;
    }
    .wk7-cards .wk1-badge {
        top: 10px;
        left: 10px;
        padding: 4px 11px;
    }
    .wk7-cards .wk1-idx {
        right: 12px;
        bottom: 8px;
        font-size: 24px;
    }
    .wk7-cards .wk1-info {
        padding: 16px;
    }
    .wk7-cards .wk1-title {
        font-size: 18px;
    }
    .wk7-cards .wk1-meta {
        margin-top: 6px;
        font-size: 12px;
    }
    .wk7-cards .wk1-desc {
        margin: 10px 0 14px;
        font-size: 13px;
        line-height: 1.75;
    }
    .wk7-cards .wk1-btn {
        padding: 9px 22px;
        font-size: 13px;
    }
}
.ad7-row{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid #e6eaf0;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.ad7-row > .ad1-item{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;padding:34px 20px 30px;border-left:1px solid #e6eaf0;transition:background .3s ease}
.ad7-row > .ad1-item:first-child{border-left:0}
.ad7-row > .ad1-item:hover{background:#f7f9fc}
.ad7-row > .ad1-item::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--accent);transform:scaleX(0);transition:transform .3s ease}
.ad7-row > .ad1-item:hover::after{transform:scaleX(1)}
.ad7-row .ad1-toggle{display:none}
.ad7-row .ad1-num{position:absolute;top:14px;right:14px;padding:2px 8px;border:1px solid #e6eaf0;border-radius:20px;background:#fafbfd;font-size:11px;font-weight:700;line-height:1.4;color:#9aa7b8}
.ad7-row .ad1-icon{width:56px;height:56px;margin-bottom:16px;border:2px solid var(--accent);border-radius:50%;color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:23px;line-height:1}
.ad7-row .ad1-label{display:inline}
.ad7-row .ad1-title{font-size:16px;font-weight:700;color:var(--primary);margin:0 0 8px;line-height:1.4}
.ad7-row .ad1-desc{font-size:13px;line-height:1.75;color:#666;margin:0}
@media (max-width:768px){
  .ad7-row{grid-template-columns:repeat(2,1fr)}
  .ad7-row > .ad1-item{padding:22px 12px}
  .ad7-row > .ad1-item:nth-child(odd){border-left:0}
  .ad7-row > .ad1-item:nth-child(n+3){border-top:1px solid #e6eaf0}
  .ad7-row .ad1-num{top:10px;right:10px;font-size:10px;padding:1px 7px}
  .ad7-row .ad1-icon{width:46px;height:46px;margin-bottom:12px;font-size:19px}
  .ad7-row .ad1-title{font-size:15px;margin-bottom:6px}
  .ad7-row .ad1-desc{font-size:12px;line-height:1.7}
}
.nw1-list { border-top:1px solid #e8ecf2 }
.nw1-list .nw1-item { display:flex; align-items:center; gap:20px; padding:18px 14px; border-bottom:1px solid #e8ecf2; text-decoration:none; transition:background .25s ease, padding .25s ease, border-color .25s ease }
.nw1-list .nw1-date { flex:none; width:104px; font-size:13px; letter-spacing:.5px; color:var(--gray); transition:color .25s ease }
.nw1-list .nw1-title { flex:1; min-width:0; font-size:16px; line-height:1.5; font-weight:600; color:var(--primary); transition:color .25s ease }
.nw1-list .nw1-idx { flex:none; min-width:22px; text-align:right; font-size:13px; color:#c9d2dd; transition:color .25s ease }
.nw1-list .nw1-item:hover { padding-left:22px; background:#f5f7fa; border-bottom-color:var(--accent) }
.nw1-list .nw1-item:hover .nw1-title { color:var(--accent) }
.nw1-list .nw1-item:hover .nw1-date { color:var(--primary) }
.nw1-list .nw1-item:hover .nw1-idx { color:var(--accent) }
@media (max-width:768px) {
    .nw1-list .nw1-item { flex-wrap:wrap; gap:6px 12px; padding:14px 10px }
    .nw1-list .nw1-date { width:auto; font-size:12px }
    .nw1-list .nw1-title { flex:1 1 100%; order:2; font-size:15px; line-height:1.55 }
    .nw1-list .nw1-idx { margin-left:auto; font-size:12px }
    .nw1-list .nw1-item:hover { padding-left:14px }
}
.fq2-grid { position:relative; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); max-width:1080px; margin:0 auto; border-top:1px solid #e4eaf2 }
.fq2-grid::after { content:""; position:absolute; top:0; bottom:0; left:50%; width:1px; background:#e4eaf2 }
.fq2-grid .fq1-item { padding:24px 34px 26px; border-bottom:1px solid #e4eaf2; transition:background .3s ease }
.fq2-grid .fq1-item:hover { background:#fafbfe }
.fq2-grid .fq1-q { font-size:16px; line-height:1.55; font-weight:700; color:var(--primary) }
.fq2-grid .fq1-no { display:inline-block; min-width:26px; margin-right:6px; color:var(--gold); font-size:15px; font-weight:700; letter-spacing:1px }
.fq2-grid .fq1-a { max-height:none; overflow:visible; opacity:1 }
.fq2-grid .fq1-a-in { margin-top:10px; padding-left:34px; font-size:14px; line-height:1.85; color:var(--gray) }
@media (max-width:768px) {
    .fq2-grid { grid-template-columns:minmax(0,1fr) }
    .fq2-grid::after { display:none }
    .fq2-grid .fq1-item { padding:18px 16px; }
    .fq2-grid .fq1-q { font-size:15px }
    .fq2-grid .fq1-no { min-width:22px; margin-right:4px; font-size:14px }
    .fq2-grid .fq1-a-in { margin-top:8px; padding-left:26px; font-size:13px }
}
.cm5-list { display:flex; flex-direction:column; border-top:1px solid #e8ecf2 }
.cm5-list .cm1-item { position:relative; display:flex; align-items:flex-start; gap:16px; padding:16px 4px; border-bottom:1px solid #e8ecf2; transition:background .25s ease }
.cm5-list .cm1-item:hover { background:#f9fbfd }
.cm5-list .cm1-head { flex:none; display:flex; align-items:center; gap:10px; width:168px; min-width:0 }
.cm5-list .cm1-av { flex:none; width:38px; height:38px; border-radius:50%; object-fit:cover; background:var(--light) }
.cm5-list .cm1-who { display:flex; flex-direction:column; gap:2px; min-width:0 }
.cm5-list .cm1-name { font-size:14px; font-weight:600; color:var(--primary); white-space:nowrap; overflow:hidden; text-overflow:ellipsis }
.cm5-list .cm1-date { font-size:12px; color:var(--gray) }
.cm5-list .cm1-text { flex:1 1 auto; min-width:0; margin:0; padding-top:2px; font-size:14px; line-height:1.7; color:#4b5563 }
.cm5-list .cm1-idx { flex:none; padding-top:4px; font-size:12px; letter-spacing:1px; color:#c3cad6 }
.cm5-list .cm1-initial { display:none }
@media (max-width:768px) {
    .cm5-list .cm1-item { display:block; padding:14px 0 }
    .cm5-list .cm1-head { width:auto; margin-bottom:8px }
    .cm5-list .cm1-av { width:32px; height:32px }
    .cm5-list .cm1-name { font-size:13px }
    .cm5-list .cm1-text { font-size:13px; line-height:1.7 }
    .cm5-list .cm1-idx { position:absolute; top:16px; right:2px; padding-top:0; font-size:11px }
}
.ft6-foot { background: linear-gradient(135deg, var(--primary) 0%, #0b0f16 100%); padding: 52px 0 34px; }
.ft6-logo { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 16px; color: #fff; text-decoration: none; }
.ft6-ico { font-size: 30px; line-height: 1; }
.ft6-kw { font-size: 56px; font-weight: 900; line-height: 1.08; letter-spacing: 2px; }
.ft6-kw em { font-style: normal; color: var(--gold); }
.ft6-brand { font-size: 12px; font-weight: 500; letter-spacing: 3px; color: rgba(255,255,255,0.4); text-transform: uppercase; }
.ft6-rule { height: 1px; margin: 26px 0 20px; background: rgba(255,255,255,0.14); }
.ft6-bottom { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.ft6-line { max-width: 420px; font-size: 12px; line-height: 1.85; color: rgba(255,255,255,0.55); }
.ft6-nav { flex-shrink: 0; }
.ft6-menu { display: flex; flex-wrap: wrap; gap: 6px 18px; list-style: none; }
.ft6-menu a { font-size: 12px; color: rgba(255,255,255,0.62); text-decoration: none; }
.ft6-menu a:hover { color: var(--gold); }
.ft6-copy { flex-shrink: 0; font-size: 12px; color: rgba(255,255,255,0.42); }
.ft6-dom { font-weight: 700; letter-spacing: 1px; color: var(--gold); }
@media (max-width:768px) {
    .ft6-foot { padding: 34px 0 24px; }
    .ft6-logo { gap: 4px 10px; }
    .ft6-ico { font-size: 20px; }
    .ft6-kw { font-size: 30px; letter-spacing: 1px; }
    .ft6-brand { font-size: 10px; letter-spacing: 2px; }
    .ft6-rule { margin: 18px 0 14px; }
    .ft6-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
    .ft6-line { font-size: 11px; }
    .ft6-menu { gap: 6px 14px; }
    .ft6-menu a { font-size: 11px; }
    .ft6-copy { font-size: 11px; }
    .ft6-dom { font-size: 11px; }
}


@media (max-width: 768px) {
    .sec { padding: 50px 0; }
    .sec-title { font-size: 26px; }
}