/* ===== base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #0f1014;
    --secondary: #191b21;
    --accent: #e05263;
    --gold: #c9a227;
    --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); }

.nv9-bar { position: relative; z-index: 900; display: flex; align-items: stretch; flex-wrap: wrap; }
.nv9-logo { display: flex; align-items: center; gap: 9px; padding: 18px 30px; background: var(--primary); color: #fff; text-decoration: none; white-space: nowrap; flex-shrink: 0; }
.nv9-ico { font-size: 23px; line-height: 1; }
.nv9-kw { font-size: 21px; font-weight: 800; letter-spacing: 1px; }
.nv9-kw em { font-style: normal; color: var(--gold); }
.nv9-brand { font-size: 11px; color: rgba(255,255,255,0.62); padding-left: 10px; border-left: 1px solid rgba(255,255,255,0.3); }
.nv9-block { flex: 1; display: flex; align-items: center; justify-content: flex-end; background: var(--secondary); min-width: 0; }
.nv9-menu { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; list-style: none; }
.nv9-menu a { display: block; padding: 18px 20px; font-size: 14px; color: rgba(255,255,255,0.9); text-decoration: none; }
.nv9-menu a:hover { background: rgba(255,255,255,0.18); color: #fff; }
@media (max-width:768px) {
    .nv9-bar { flex-direction: column; }
    .nv9-logo { justify-content: center; padding: 12px 16px; }
    .nv9-ico { font-size: 20px; }
    .nv9-kw { font-size: 18px; }
    .nv9-brand { font-size: 10px; padding-left: 8px; }
    .nv9-block { justify-content: center; }
    .nv9-menu { justify-content: center; }
    .nv9-menu a { padding: 10px 12px; font-size: 13px; }
}
.hr7-hero {
    padding: 80px 0;
    background: #fff;
}
.hr7-stack {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    align-items: end;
}
.hr7-media {
    position: relative;
    grid-column: 2;
    grid-row: 1;
    padding-top: 30px;
}
.hr7-img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.hr7-badge {
    position: absolute;
    top: 8px;
    right: 18px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
}
.hr7-card {
    position: relative;
    z-index: 2;
    grid-column: 1;
    grid-row: 1;
    margin-right: -80px;
    margin-bottom: 62px;
    padding: 42px 38px 38px;
    border-top: 5px solid var(--accent);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 20px 50px rgba(0,0,0,0.16);
}
.hr7-title {
    margin-bottom: 18px;
    color: var(--primary);
    font-size: 36px;
    font-weight: 800;
    line-height: 1.28;
}
.hr7-title span {
    display: block;
    margin-top: 8px;
    color: var(--accent);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 3px;
}
.hr7-desc {
    margin-bottom: 26px;
    color: #555;
    font-size: 15px;
    line-height: 1.85;
}
.hr7-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: var(--radius);
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    transition: background 0.3s ease, transform 0.3s ease;
}
.hr7-btn:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}
@media (max-width: 768px) {
    .hr7-hero {
        padding: 46px 0;
    }
    .hr7-stack {
        grid-template-columns: 1fr;
    }
    .hr7-media {
        grid-column: 1;
        grid-row: 1;
        padding-top: 0;
    }
    .hr7-img {
        aspect-ratio: 16 / 11;
    }
    .hr7-badge {
        top: 12px;
        right: 12px;
        font-size: 12px;
        padding: 6px 12px;
    }
    .hr7-card {
        grid-column: 1;
        grid-row: 2;
        margin: -34px 14px 0;
        padding: 26px 20px 24px;
    }
    .hr7-title {
        font-size: 24px;
        margin-bottom: 12px;
    }
    .hr7-title span {
        font-size: 16px;
        letter-spacing: 1px;
    }
    .hr7-desc {
        margin-bottom: 18px;
        font-size: 14px;
        line-height: 1.72;
    }
    .hr7-btn {
        padding: 11px 24px;
        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; }
}
.wk6-layout { display:grid; grid-template-columns:1.6fr 1fr; grid-template-rows:repeat(3,minmax(0,1fr)); gap:20px }
.wk6-layout .wk1-item { background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow) }
.wk6-layout .wk1-item:first-child { grid-column:1; grid-row:1 / span 3; display:flex; flex-direction:column }
.wk6-layout .wk1-item:first-child .wk1-thumb { position:relative; flex:1 1 auto; min-height:240px; overflow:hidden; background:var(--light) }
.wk6-layout .wk1-item:first-child .wk1-thumb img { display:block; width:100%; height:100%; object-fit:cover; transition:transform .5s ease }
.wk6-layout .wk1-item:first-child:hover .wk1-thumb img { transform:scale(1.05) }
.wk6-layout .wk1-item:first-child .wk1-info { display:flex; flex-direction:column; align-items:flex-start; padding:20px 22px 22px }
.wk6-layout .wk1-item:first-child .wk1-head { display:flex; align-items:center; justify-content:space-between; gap:12px; width:100% }
.wk6-layout .wk1-item:first-child .wk1-title { margin:0; font-size:24px; line-height:1.35; color:var(--primary) }
.wk6-layout .wk1-item:first-child .wk1-tag { flex:none; padding:3px 12px; border-radius:999px; background:var(--gold); color:#1f2937; font-size:12px }
.wk6-layout .wk1-item:first-child .wk1-meta { margin-top:10px; font-size:13px; color:var(--gray) }
.wk6-layout .wk1-item:first-child .wk1-desc { margin:10px 0 16px; font-size:14px; line-height:1.75; color:var(--gray) }
.wk6-layout .wk1-item:first-child .wk1-btn { padding:10px 26px; border:none; border-radius:var(--radius); background:var(--accent); color:#fff; font-size:14px; cursor:pointer; transition:background .25s ease }
.wk6-layout .wk1-item:first-child .wk1-btn:hover { background:var(--primary) }
.wk6-layout .wk1-item:not(:first-child) { display:grid; grid-template-columns:150px minmax(0,1fr); gap:14px; align-items:center; padding:12px }
.wk6-layout .wk1-item:not(:first-child) .wk1-thumb { position:relative; height:100px; overflow:hidden; border-radius:var(--radius); background:var(--light) }
.wk6-layout .wk1-item:not(:first-child) .wk1-thumb img { display:block; width:100%; height:100%; object-fit:cover }
.wk6-layout .wk1-item:not(:first-child) .wk1-desc { display:none }
.wk6-layout .wk1-item:not(:first-child) .wk1-head { display:flex; align-items:center; justify-content:space-between; gap:8px }
.wk6-layout .wk1-item:not(:first-child) .wk1-title { margin:0; font-size:16px; line-height:1.4; color:var(--primary) }
.wk6-layout .wk1-item:not(:first-child) .wk1-tag { flex:none; color:var(--accent); font-size:12px }
.wk6-layout .wk1-item:not(:first-child) .wk1-meta { margin-top:6px; font-size:12px; color:var(--gray) }
.wk6-layout .wk1-item:not(:first-child) .wk1-btn { margin-top:8px; padding:5px 14px; border:1px solid var(--accent); border-radius:999px; background:transparent; color:var(--accent); font-size:12px; cursor:pointer; transition:background .25s ease, color .25s ease }
.wk6-layout .wk1-item:not(:first-child) .wk1-btn:hover { background:var(--accent); color:#fff }
.wk6-layout .wk1-badge { position:absolute; top:10px; left:10px; padding:4px 10px; border-radius:var(--radius); background:var(--accent); color:#fff; font-size:12px }
.wk6-layout .wk1-idx { position:absolute; top:10px; right:12px; color:#fff; font-size:13px; letter-spacing:1px }
@media (max-width:768px) {
    .wk6-layout { grid-template-columns:minmax(0,1fr); grid-template-rows:auto; gap:14px }
    .wk6-layout .wk1-item:first-child { grid-column:auto; grid-row:auto }
    .wk6-layout .wk1-item:first-child .wk1-thumb { flex:none; aspect-ratio:16/9; min-height:0 }
    .wk6-layout .wk1-item:first-child .wk1-title { font-size:19px }
    .wk6-layout .wk1-item:first-child .wk1-desc { font-size:13px; margin:8px 0 12px }
    .wk6-layout .wk1-item:not(:first-child) { grid-template-columns:120px minmax(0,1fr); gap:12px; padding:10px }
    .wk6-layout .wk1-item:not(:first-child) .wk1-thumb { height:80px }
}
.ad1-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.ad1-grid > .ad1-item{position:relative;background:#fff;border:1px solid #e8ecf2;border-radius:var(--radius);box-shadow:var(--shadow);padding:32px 22px;text-align:center;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.ad1-grid > .ad1-item:hover{transform:translateY(-6px);box-shadow:0 16px 34px rgba(0,0,0,.1);border-color:var(--accent)}
.ad1-grid .ad1-toggle{display:none}
.ad1-grid .ad1-num{display:none}
.ad1-grid .ad1-label{display:inline;cursor:inherit}
.ad1-grid .ad1-icon{width:58px;height:58px;margin:0 auto 16px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;line-height:1}
.ad1-grid .ad1-title{font-size:17px;font-weight:700;color:var(--primary);margin:0 0 9px;line-height:1.4}
.ad1-grid .ad1-desc{font-size:14px;line-height:1.75;color:#666;margin:0}
@media (max-width:768px){
  .ad1-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .ad1-grid > .ad1-item{padding:22px 14px}
  .ad1-grid .ad1-icon{width:46px;height:46px;font-size:20px;border-radius:13px;margin-bottom:12px}
  .ad1-grid .ad1-title{font-size:15px;margin-bottom:7px}
  .ad1-grid .ad1-desc{font-size:13px;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 }
}
.fq4-cards { display:flex; flex-direction:column; gap:18px; max-width:940px; margin:0 auto }
.fq4-cards .fq1-item { background:#fff; border:1px solid #e2e8f0; border-left:4px solid #e2e8f0; border-radius:var(--radius); box-shadow:var(--shadow); transition:border-color .3s ease }
.fq4-cards .fq1-item.open { border-left-color:var(--accent) }
.fq4-cards .fq1-q { display:flex; align-items:flex-start; gap:10px; padding:18px 20px; font-size:16px; line-height:1.6; font-weight:700; color:var(--primary); cursor:pointer }
.fq4-cards .fq1-q::before { content:"Q"; flex:none; display:flex; align-items:center; justify-content:center; width:30px; height:30px; border-radius:50%; background:var(--primary); color:#fff; font-size:13px; font-weight:700; line-height:1 }
.fq4-cards .fq1-no { flex:none; color:var(--accent); font-size:12px; font-weight:700; line-height:30px; letter-spacing:1px }
.fq4-cards .fq1-a { max-height:0; overflow:hidden; transition:max-height .4s ease }
.fq4-cards .fq1-item.open .fq1-a { max-height:520px }
.fq4-cards .fq1-a-in { display:flex; align-items:flex-start; gap:10px; padding:0 20px 20px; font-size:14px; line-height:1.85; color:var(--gray) }
.fq4-cards .fq1-a-in::before { content:"A"; flex:none; display:flex; align-items:center; justify-content:center; width:30px; height:30px; border-radius:50%; background:var(--accent); color:#fff; font-size:13px; font-weight:700; line-height:1 }
@media (max-width:768px) {
    .fq4-cards { gap:12px }
    .fq4-cards .fq1-q { gap:8px; padding:14px; font-size:15px }
    .fq4-cards .fq1-q::before { width:26px; height:26px; font-size:12px }
    .fq4-cards .fq1-no { font-size:11px; line-height:26px }
    .fq4-cards .fq1-item.open .fq1-a { max-height:640px }
    .fq4-cards .fq1-a-in { gap:8px; padding:0 14px 16px; font-size:13px }
    .fq4-cards .fq1-a-in::before { width:26px; height:26px; font-size:12px }
}
.cm1-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px }
.cm1-grid .cm1-item { position:relative; overflow:hidden; padding:22px 22px 20px; background:#fff; border:1px solid #e8ecf2; border-radius:var(--radius); box-shadow:var(--shadow); transition:transform .3s ease, box-shadow .3s ease }
.cm1-grid .cm1-item:hover { transform:translateY(-5px); box-shadow:0 18px 36px rgba(15,23,42,.14) }
.cm1-grid .cm1-head { display:flex; align-items:center; gap:12px }
.cm1-grid .cm1-av { flex:none; width:44px; height:44px; border-radius:50%; object-fit:cover; border:2px solid var(--light); background:var(--light) }
.cm1-grid .cm1-who { display:flex; flex-direction:column; gap:3px; min-width:0 }
.cm1-grid .cm1-name { font-size:15px; font-weight:600; color:var(--primary) }
.cm1-grid .cm1-date { font-size:12px; color:var(--gray) }
.cm1-grid .cm1-text { margin:14px 0 0; font-size:14px; line-height:1.8; color:#4b5563 }
.cm1-grid .cm1-idx { position:absolute; top:18px; right:20px; font-size:12px; letter-spacing:1px; color:#c3cad6 }
.cm1-grid .cm1-initial { position:absolute; right:14px; bottom:-16px; font-size:66px; font-weight:700; line-height:1; color:var(--light); pointer-events:none }
@media (max-width:768px) {
    .cm1-grid { grid-template-columns:minmax(0,1fr); gap:14px }
    .cm1-grid .cm1-item { padding:16px 16px 15px }
    .cm1-grid .cm1-item:hover { transform:none }
    .cm1-grid .cm1-av { width:38px; height:38px }
    .cm1-grid .cm1-name { font-size:14px }
    .cm1-grid .cm1-text { margin-top:10px; font-size:13px; line-height:1.75 }
    .cm1-grid .cm1-idx { top:14px; right:16px }
    .cm1-grid .cm1-initial { font-size:48px; bottom:-12px }
}
.ft5-foot { background: var(--light); border-top: 1px solid rgba(0,0,0,0.1); padding: 32px 0; }
.ft5-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: center; gap: 20px; }
.ft5-left { display: flex; align-items: center; justify-content: flex-start; }
.ft5-logo { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); text-decoration: none; }
.ft5-ico { font-size: 19px; line-height: 1; }
.ft5-kw { font-size: 18px; font-weight: 800; letter-spacing: 1px; white-space: nowrap; }
.ft5-kw em { font-style: normal; color: var(--accent); }
.ft5-brand { font-size: 11px; font-weight: 500; color: var(--gray); padding-left: 8px; border-left: 1px solid rgba(0,0,0,0.14); white-space: nowrap; }
.ft5-nav { display: flex; justify-content: center; }
.ft5-menu { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 20px; list-style: none; }
.ft5-menu a { font-size: 13px; color: #5b6470; text-decoration: none; }
.ft5-menu a:hover { color: var(--primary); }
.ft5-right { text-align: right; }
.ft5-line { font-size: 12px; line-height: 1.8; color: #6b7280; }
.ft5-dom { display: block; margin-top: 4px; font-size: 12px; font-weight: 700; letter-spacing: 1px; color: var(--primary); }
@media (max-width:768px) {
    .ft5-foot { padding: 24px 0; }
    .ft5-grid { grid-template-columns: 1fr; gap: 14px; }
    .ft5-left { justify-content: center; }
    .ft5-ico { font-size: 17px; }
    .ft5-kw { font-size: 16px; }
    .ft5-brand { font-size: 10px; }
    .ft5-menu { gap: 6px 14px; }
    .ft5-menu a { font-size: 12px; }
    .ft5-right { text-align: center; }
    .ft5-line { font-size: 11px; }
    .ft5-dom { font-size: 11px; }
}


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