/* ===== base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #100a12;
    --secondary: #1a121e;
    --accent: #ff006e;
    --gold: #00e5ff;
    --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); }

.nv10-bar { position: sticky; top: 0; z-index: 1000; background: #fff; border-bottom: 2px solid var(--primary); }
.nv10-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 14px; min-height: 74px; }
.nv10-logo { justify-self: start; display: flex; align-items: center; gap: 8px; color: var(--primary); text-decoration: none; white-space: nowrap; }
.nv10-ico { font-size: 23px; line-height: 1; }
.nv10-kw { font-size: 20px; font-weight: 800; letter-spacing: 1px; }
.nv10-kw em { font-style: normal; color: var(--accent); }
.nv10-brand { font-size: 11px; color: var(--gray); }
.nv10-nav { justify-self: center; }
.nv10-menu { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 2px; list-style: none; }
.nv10-menu a { display: block; padding: 8px 13px; font-size: 14px; color: #3f3f3f; border-radius: var(--radius); text-decoration: none; }
.nv10-menu a:hover { color: #fff; background: var(--primary); }
.nv10-cta { justify-self: end; display: inline-block; padding: 9px 20px; font-size: 13px; font-weight: 700; color: #fff; background: var(--accent); border-radius: 999px; text-decoration: none; white-space: nowrap; box-shadow: var(--shadow); }
.nv10-cta:hover { background: var(--primary); }
@media (max-width:768px) {
    .nv10-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; padding: 10px 0; }
    .nv10-logo { justify-self: auto; }
    .nv10-ico { font-size: 19px; }
    .nv10-kw { font-size: 18px; }
    .nv10-brand { font-size: 10px; }
    .nv10-nav { order: 3; width: 100%; }
    .nv10-menu { justify-content: center; width: 100%; }
    .nv10-menu a { padding: 6px 10px; font-size: 13px; }
    .nv10-cta { padding: 7px 15px; font-size: 12px; }
}
.hr2-hero {
    padding: 76px 0;
    background: linear-gradient(120deg, #ffffff 0%, #ffffff 52%, var(--light) 100%);
}
.hr2-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
}
.hr2-copy {
    max-width: 560px;
}
.hr2-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    margin-bottom: 20px;
    border-left: 3px solid var(--accent);
    background: var(--light);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
}
.hr2-title {
    margin-bottom: 18px;
    color: var(--primary);
    font-size: 44px;
    font-weight: 800;
    line-height: 1.22;
}
.hr2-title em {
    color: var(--accent);
    font-style: normal;
}
.hr2-desc {
    margin-bottom: 30px;
    color: #555;
    font-size: 16px;
    line-height: 1.9;
}
.hr2-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.hr2-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;
}
.hr2-btn:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}
.hr2-link {
    padding-bottom: 2px;
    border-bottom: 2px solid var(--gold);
    color: var(--primary);
    font-size: 15px;
    font-weight: 600;
}
.hr2-link:hover {
    color: var(--accent);
}
.hr2-figure {
    position: relative;
}
.hr2-figure::before {
    content: '';
    position: absolute;
    top: -18px;
    right: -18px;
    width: 58%;
    height: 58%;
    border-top: 6px solid var(--accent);
    border-right: 6px solid var(--accent);
    border-radius: 0 var(--radius) 0 0;
}
.hr2-img {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    aspect-ratio: 16 / 11;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.hr2-tag {
    position: absolute;
    z-index: 2;
    left: 20px;
    bottom: 20px;
    padding: 8px 18px;
    border-radius: 999px;
    background: rgba(255,255,255,0.94);
    color: var(--primary);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
}
@media (max-width: 768px) {
    .hr2-hero {
        padding: 46px 0;
    }
    .hr2-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .hr2-title {
        font-size: 28px;
    }
    .hr2-desc {
        margin-bottom: 22px;
        font-size: 15px;
        line-height: 1.75;
    }
    .hr2-figure::before {
        display: none;
    }
    .hr2-btn {
        padding: 11px 24px;
        font-size: 14px;
    }
    .hr2-label {
        font-size: 12px;
        margin-bottom: 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; }
}
.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 }
}
.ad2-nums{counter-reset:ad2no;display:grid;grid-template-columns:repeat(2,1fr);column-gap:46px}
.ad2-nums > .ad1-item{counter-increment:ad2no;position:relative;display:grid;grid-template-columns:auto 1fr;column-gap:20px;row-gap:8px;padding:26px 0;border-top:1px solid #e6eaf0;background:none;border-radius:0;box-shadow:none}
.ad2-nums > .ad1-item:nth-child(1),
.ad2-nums > .ad1-item:nth-child(2){border-top:0}
.ad2-nums .ad1-toggle{display:none}
.ad2-nums .ad1-icon{display:none}
.ad2-nums .ad1-num{grid-column:1;grid-row:1 / span 2;align-self:start;font-size:0;line-height:1;color:var(--accent);font-weight:800}
.ad2-nums .ad1-num::before{content:counter(ad2no,decimal-leading-zero);font-size:54px;line-height:1}
.ad2-nums .ad1-label{display:inline}
.ad2-nums .ad1-title{grid-column:2;grid-row:1;font-size:18px;font-weight:700;color:var(--primary);margin:0;line-height:1.4}
.ad2-nums .ad1-desc{grid-column:2;grid-row:2;font-size:14px;line-height:1.8;color:#666;margin:0}
@media (max-width:768px){
  .ad2-nums{grid-template-columns:1fr;column-gap:0}
  .ad2-nums > .ad1-item{padding:20px 0;column-gap:14px}
  .ad2-nums > .ad1-item:nth-child(2){border-top:1px solid #e6eaf0}
  .ad2-nums .ad1-num::before{font-size:36px}
  .ad2-nums .ad1-title{font-size:16px}
  .ad2-nums .ad1-desc{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 }
}
.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 }
}
.cm4-wall { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:26px; text-align:center }
.cm4-wall .cm1-item { position:relative; display:flex; flex-direction:column; align-items:center; padding:26px 18px 22px; background:#fff; border-radius:var(--radius); box-shadow:var(--shadow); transition:transform .3s ease }
.cm4-wall .cm1-item:hover { transform:translateY(-6px) }
.cm4-wall .cm1-head { display:flex; flex-direction:column; align-items:center; gap:10px }
.cm4-wall .cm1-av { width:76px; height:76px; border-radius:50%; object-fit:cover; border:3px solid var(--light); background:var(--light); box-shadow:0 8px 18px rgba(15,23,42,.14) }
.cm4-wall .cm1-who { display:flex; flex-direction:column; align-items:center; gap:4px; min-width:0 }
.cm4-wall .cm1-name { font-size:15px; font-weight:700; color:var(--primary) }
.cm4-wall .cm1-date { font-size:12px; color:var(--gray) }
.cm4-wall .cm1-text { margin:12px 0 0; font-size:13px; line-height:1.8; color:#4b5563 }
.cm4-wall .cm1-idx { position:absolute; top:14px; left:16px; font-size:12px; letter-spacing:1px; color:#c3cad6 }
.cm4-wall .cm1-initial { position:absolute; top:10px; right:14px; font-size:40px; font-weight:700; line-height:1; color:var(--light); pointer-events:none }
@media (max-width:768px) {
    .cm4-wall { grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px }
    .cm4-wall .cm1-item { padding:18px 12px 16px }
    .cm4-wall .cm1-item:hover { transform:none }
    .cm4-wall .cm1-av { width:56px; height:56px; border-width:2px }
    .cm4-wall .cm1-name { font-size:14px }
    .cm4-wall .cm1-text { margin-top:10px; font-size:12px; line-height:1.75 }
    .cm4-wall .cm1-idx { top:10px; left:12px; font-size:11px }
    .cm4-wall .cm1-initial { font-size:28px; top:8px; right:10px }
}
.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; }
}