/* ===== base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #2d1a3d;
    --secondary: #4a276b;
    --accent: #9d4edd;
    --gold: #00f5d4;
    --light: #f0f0f0;
    --gray: #888;
    --radius: 8px;
    --shadow: 0 8px 32px rgba(0,0,0,0.18);
    --font: Georgia, "Songti SC", "SimSun", "Times New Roman", 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); }

.nv3-bar { position: relative; z-index: 900; background: #fff; border-bottom: 1px solid rgba(0,0,0,0.08); }
.nv3-topin { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 20px; }
.nv3-logo { display: flex; align-items: center; gap: 10px; color: var(--primary); text-decoration: none; white-space: nowrap; }
.nv3-ico { font-size: 26px; line-height: 1; }
.nv3-kw { font-size: 24px; font-weight: 800; letter-spacing: 1px; }
.nv3-kw em { font-style: normal; color: var(--accent); }
.nv3-brand { font-size: 12px; font-weight: 500; color: var(--gray); padding-left: 10px; border-left: 1px solid rgba(0,0,0,0.14); }
.nv3-note { font-size: 12px; color: var(--primary); border: 1px dashed rgba(0,0,0,0.22); border-radius: 999px; padding: 5px 13px; white-space: nowrap; }
.nv3-strip { background: var(--primary); }
.nv3-menu { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; list-style: none; }
.nv3-menu a { display: block; padding: 12px 22px; font-size: 14px; color: rgba(255,255,255,0.88); text-decoration: none; border-right: 1px solid rgba(255,255,255,0.14); }
.nv3-menu li:last-child a { border-right: none; }
.nv3-menu a:hover { color: var(--gold); background: rgba(255,255,255,0.08); }
@media (max-width:768px) {
    .nv3-topin { padding: 10px 20px; gap: 10px; }
    .nv3-ico { font-size: 21px; }
    .nv3-kw { font-size: 19px; }
    .nv3-brand { font-size: 11px; padding-left: 8px; }
    .nv3-note { display: none; }
    .nv3-menu a { padding: 10px 12px; font-size: 13px; }
}
.hr12-hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 600px;
    padding: 86px 0;
    background: var(--light);
    overflow: hidden;
}
.hr12-media {
    position: absolute;
    inset: 0;
    clip-path: polygon(0 0, 58% 0, 36% 100%, 0 100%);
}
.hr12-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hr12-tint {
    position: absolute;
    inset: 0;
    background: linear-gradient(125deg, rgba(8,14,24,0.74) 0%, rgba(8,14,24,0.28) 100%);
}
.hr12-edge {
    position: absolute;
    inset: 0;
    clip-path: polygon(58.2% 0, 58.7% 0, 36.7% 100%, 36.2% 100%);
    background: var(--gold);
}
.hr12-inner {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: flex-end;
    width: 100%;
}
.hr12-copy {
    width: 46%;
    max-width: 520px;
}
.hr12-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    margin-bottom: 22px;
    border-radius: 999px;
    background: #fff;
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    box-shadow: var(--shadow);
}
.hr12-title {
    margin-bottom: 18px;
    color: var(--primary);
    font-size: 46px;
    font-weight: 800;
    line-height: 1.16;
    letter-spacing: 1px;
}
.hr12-desc {
    margin-bottom: 30px;
    color: var(--gray);
    font-size: 16px;
    line-height: 1.9;
}
.hr12-btn {
    display: inline-block;
    padding: 14px 40px;
    border-radius: 999px;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1px;
    transition: background 0.3s ease, transform 0.3s ease;
}
.hr12-btn:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}
@media (max-width: 768px) {
    .hr12-hero {
        min-height: 0;
        padding: 286px 0 46px;
    }
    .hr12-media {
        top: 0;
        left: 0;
        right: 0;
        bottom: auto;
        height: 260px;
        clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
    }
    .hr12-edge {
        display: none;
    }
    .hr12-copy {
        width: 100%;
        max-width: none;
    }
    .hr12-kicker {
        padding: 5px 12px;
        margin-bottom: 14px;
        font-size: 12px;
    }
    .hr12-title {
        margin-bottom: 12px;
        font-size: 28px;
        letter-spacing: 0;
    }
    .hr12-desc {
        margin-bottom: 20px;
        font-size: 14px;
        line-height: 1.72;
    }
    .hr12-btn {
        padding: 11px 26px;
        font-size: 14px;
    }
}
.it3-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.it3-text { padding-right: 46px; }
.it3-text .sec-sub { color: #666; max-width: none; margin-bottom: 22px; }
.it3-text p { color: #555; line-height: 1.9; font-size: 15px; margin-bottom: 14px; }
.it3-text p:last-child { margin-bottom: 0; }
.it3-text p strong { color: var(--primary); }
.it3-boxes { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-left: 46px; border-left: 1px solid rgba(0, 0, 0, .08); }
.it3-stat { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; aspect-ratio: 1 / 1; padding: 12px; text-align: center; background: var(--light); border: 1px solid rgba(0, 0, 0, .06); border-radius: var(--radius); }
.it3-stat:nth-child(3) { grid-column: span 2; aspect-ratio: 2 / 1; }
.it3-num { font-size: 30px; line-height: 1; font-weight: 800; color: var(--accent); }
.it3-lbl { font-size: 13px; color: #666; }
@media (max-width: 768px) {
    .it3-wrap { grid-template-columns: 1fr; }
    .it3-text { padding-right: 0; }
    .it3-boxes { margin-top: 26px; padding-left: 0; padding-top: 26px; border-left: 0; border-top: 1px solid rgba(0, 0, 0, .08); }
    .it3-stat { aspect-ratio: auto; min-height: 96px; padding: 18px 12px; }
    .it3-stat:nth-child(3) { grid-column: span 2; aspect-ratio: auto; }
    .it3-num { font-size: 24px; }
}
.wk5-rail { position:relative }
.wk5-scroller { display:flex; gap:20px; overflow-x:auto; overflow-y:hidden; padding:4px 4px 18px; scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch }
.wk5-scroller::-webkit-scrollbar { height:8px }
.wk5-scroller::-webkit-scrollbar-track { border-radius:999px; background:var(--light) }
.wk5-scroller::-webkit-scrollbar-thumb { border-radius:999px; background:var(--accent) }
.wk5-scroller .wk1-item { flex:0 0 320px; max-width:320px; scroll-snap-align:start; display:flex; flex-direction:column; background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); transition:transform .3s ease }
.wk5-scroller .wk1-item:hover { transform:translateY(-6px) }
.wk5-scroller .wk1-thumb { position:relative; aspect-ratio:16/9; overflow:hidden; background:var(--light) }
.wk5-scroller .wk1-thumb img { display:block; width:100%; height:100%; object-fit:cover; transition:transform .5s ease }
.wk5-scroller .wk1-item:hover .wk1-thumb img { transform:scale(1.07) }
.wk5-scroller .wk1-badge { position:absolute; top:10px; left:10px; padding:4px 10px; border-radius:999px; background:var(--accent); color:#fff; font-size:12px }
.wk5-scroller .wk1-idx { position:absolute; right:10px; bottom:10px; color:#fff; font-size:20px; font-weight:700; line-height:1; opacity:.75 }
.wk5-scroller .wk1-info { display:flex; flex-direction:column; flex:1; padding:16px }
.wk5-scroller .wk1-head { display:flex; align-items:flex-start; justify-content:space-between; gap:10px }
.wk5-scroller .wk1-title { margin:0; font-size:17px; line-height:1.42; color:var(--primary) }
.wk5-scroller .wk1-tag { flex:none; padding:2px 9px; border-radius:999px; background:var(--light); color:var(--secondary); font-size:12px }
.wk5-scroller .wk1-meta { margin-top:8px; font-size:13px; color:var(--gray) }
.wk5-scroller .wk1-desc { display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; margin:10px 0 14px; font-size:13px; line-height:1.7; color:var(--gray) }
.wk5-scroller .wk1-btn { align-self:flex-start; margin-top:auto; padding:8px 18px; border:none; border-radius:999px; background:var(--secondary); color:#fff; font-size:13px; cursor:pointer; transition:background .25s ease }
.wk5-scroller .wk1-btn:hover { background:var(--accent) }
@media (max-width:768px) {
    .wk5-scroller { gap:14px; padding:4px 4px 14px }
    .wk5-scroller .wk1-item { flex:0 0 78%; max-width:78% }
    .wk5-scroller .wk1-title { font-size:15px }
    .wk5-scroller .wk1-desc { -webkit-line-clamp:2; margin:8px 0 10px }
    .wk5-scroller::-webkit-scrollbar { height:6px }
}
.ad3-timeline{position:relative;padding-left:52px;max-width:900px}
.ad3-timeline::before{content:"";position:absolute;left:15px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,var(--primary),var(--accent))}
.ad3-timeline > .ad1-item{position:relative;display:grid;grid-template-columns:34px 1fr;column-gap:14px;row-gap:6px;padding-bottom:32px;background:none;border:0;box-shadow:none}
.ad3-timeline > .ad1-item:last-child{padding-bottom:0}
.ad3-timeline .ad1-toggle{display:none}
.ad3-timeline .ad1-num{position:absolute;left:-51px;top:2px;width:30px;height:30px;border-radius:50%;background:var(--primary);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1}
.ad3-timeline .ad1-icon{grid-column:1;grid-row:1;align-self:center;text-align:center;font-size:24px;line-height:1;color:var(--accent)}
.ad3-timeline .ad1-label{display:inline}
.ad3-timeline .ad1-title{grid-column:2;grid-row:1;font-size:18px;font-weight:700;color:var(--primary);margin:0;line-height:1.4}
.ad3-timeline .ad1-desc{grid-column:2;grid-row:2;font-size:14px;line-height:1.8;color:#666;margin:0}
@media (max-width:768px){
  .ad3-timeline{padding-left:40px}
  .ad3-timeline::before{left:11px;top:6px;bottom:6px}
  .ad3-timeline > .ad1-item{grid-template-columns:1fr;row-gap:4px;padding-bottom:26px}
  .ad3-timeline .ad1-num{left:-40px;top:0;width:24px;height:24px;font-size:11px}
  .ad3-timeline .ad1-icon{display:none}
  .ad3-timeline .ad1-title{grid-column:1;font-size:16px}
  .ad3-timeline .ad1-desc{grid-column:1;font-size:13px}
}
.nw3-cards { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px }
.nw3-cards .nw1-item { position:relative; display:flex; flex-direction:column; min-height:190px; overflow:hidden; padding:46px 24px 24px; border:1px solid #e8ecf2; border-top:3px solid var(--primary); border-radius:var(--radius); background:#fff; box-shadow:var(--shadow); text-decoration:none; transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease }
.nw3-cards .nw1-item:hover { transform:translateY(-6px); border-top-color:var(--accent); box-shadow:0 18px 36px rgba(15,23,42,.16) }
.nw3-cards .nw1-date { position:absolute; top:0; right:0; padding:6px 14px; border-bottom-left-radius:var(--radius); background:var(--primary); color:#fff; font-size:12px; letter-spacing:.5px; transition:background .3s ease }
.nw3-cards .nw1-item:hover .nw1-date { background:var(--accent) }
.nw3-cards .nw1-title { font-size:21px; line-height:1.45; font-weight:700; color:var(--primary); transition:color .3s ease }
.nw3-cards .nw1-item:hover .nw1-title { color:var(--accent) }
.nw3-cards .nw1-idx { margin-top:auto; padding-top:20px; font-size:46px; font-weight:800; line-height:1; color:#eef1f6; letter-spacing:-1px }
@media (max-width:768px) {
    .nw3-cards { grid-template-columns:minmax(0,1fr); gap:14px }
    .nw3-cards .nw1-item { min-height:0; padding:38px 18px 18px }
    .nw3-cards .nw1-date { padding:5px 11px; font-size:11px }
    .nw3-cards .nw1-title { font-size:17px }
    .nw3-cards .nw1-idx { padding-top:14px; font-size:34px }
}
.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 }
}
.cm3-masonry { column-count:3; column-gap:22px }
.cm3-masonry .cm1-item { position:relative; overflow:hidden; break-inside:avoid; -webkit-column-break-inside:avoid; page-break-inside:avoid; display:block; margin:0 0 22px; padding:18px 18px 18px 22px; background:#fff; border:1px solid #e8ecf2; border-left:4px solid var(--accent); border-radius:var(--radius); box-shadow:var(--shadow); transition:box-shadow .3s ease, border-color .3s ease }
.cm3-masonry .cm1-item:hover { box-shadow:0 16px 32px rgba(15,23,42,.14) }
.cm3-masonry .cm1-item:nth-child(3n+2) { border-left-color:var(--secondary) }
.cm3-masonry .cm1-item:nth-child(3n) { border-left-color:var(--gold) }
.cm3-masonry .cm1-head { display:flex; align-items:center; gap:10px }
.cm3-masonry .cm1-av { flex:none; width:40px; height:40px; border-radius:12px; object-fit:cover; background:var(--light) }
.cm3-masonry .cm1-who { display:flex; flex-direction:column; gap:2px; min-width:0 }
.cm3-masonry .cm1-name { font-size:14px; font-weight:600; color:var(--primary) }
.cm3-masonry .cm1-date { font-size:12px; color:var(--gray) }
.cm3-masonry .cm1-text { margin:12px 0 0; font-size:13px; line-height:1.85; color:#4b5563 }
.cm3-masonry .cm1-idx { position:absolute; top:16px; right:16px; font-size:12px; letter-spacing:1px; color:#c3cad6 }
.cm3-masonry .cm1-initial { position:absolute; right:14px; bottom:6px; font-size:46px; font-weight:700; line-height:1; color:var(--light); pointer-events:none }
@media (max-width:768px) {
    .cm3-masonry { column-count:2; column-gap:12px }
    .cm3-masonry .cm1-item { margin-bottom:12px; padding:14px 14px 14px 16px }
    .cm3-masonry .cm1-av { width:34px; height:34px; border-radius:10px }
    .cm3-masonry .cm1-name { font-size:13px }
    .cm3-masonry .cm1-text { margin-top:10px; font-size:12px; line-height:1.75 }
    .cm3-masonry .cm1-idx { top:12px; right:12px; font-size:11px }
    .cm3-masonry .cm1-initial { font-size:34px }
}
.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; }
}