/* ===== base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #0a1010;
    --secondary: #121c1c;
    --accent: #00e0b8;
    --gold: #ffcc00;
    --light: #f0f0f0;
    --gray: #888;
    --radius: 20px;
    --shadow: 0 8px 32px rgba(0,0,0,0.18);
    --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, 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); }

.nv2-bar { position: relative; z-index: 900; background: #fff; border-bottom: 1px solid rgba(0,0,0,0.1); }
.nv2-inner { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) auto repeat(4, minmax(0, 1fr)); align-items: center; gap: 2px; min-height: 78px; }
.nv2-nav { display: contents; }
.nv2-menu { display: contents; list-style: none; }
.nv2-logo { order: 4; display: flex; align-items: center; gap: 8px; justify-self: center; padding: 0 24px; color: var(--primary); text-decoration: none; white-space: nowrap; }
.nv2-ico { font-size: 25px; line-height: 1; }
.nv2-kw { font-size: 22px; font-weight: 800; letter-spacing: 2px; }
.nv2-kw em { font-style: normal; color: var(--accent); }
.nv2-brand { font-size: 12px; color: var(--gray); padding-left: 9px; border-left: 1px solid rgba(0,0,0,0.14); }
.nv2-menu > li { display: flex; align-items: center; }
.nv2-menu > li:nth-child(1) { order: 1; justify-content: flex-end; }
.nv2-menu > li:nth-child(2) { order: 2; justify-content: flex-end; }
.nv2-menu > li:nth-child(3) { order: 3; justify-content: flex-end; }
.nv2-menu > li:nth-child(4) { order: 5; }
.nv2-menu > li:nth-child(5) { order: 6; }
.nv2-menu > li:nth-child(6) { order: 7; }
.nv2-menu > li:nth-child(7) { order: 8; }
.nv2-menu a { display: block; padding: 9px 14px; font-size: 14px; color: #3d3d3d; border-bottom: 2px solid transparent; text-decoration: none; white-space: nowrap; }
.nv2-menu a:hover { color: var(--accent); border-bottom-color: var(--accent); }
@media (max-width:768px) {
    .nv2-inner { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; padding: 10px 0; }
    .nv2-nav { display: block; width: 100%; }
    .nv2-menu { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px; }
    .nv2-menu > li:nth-child(n) { order: 0; justify-content: center; }
    .nv2-logo { order: 0; padding: 0; }
    .nv2-kw { font-size: 19px; letter-spacing: 1px; }
    .nv2-ico { font-size: 21px; }
    .nv2-brand { font-size: 11px; }
    .nv2-menu a { padding: 6px 10px; font-size: 13px; }
}
.hr11-hero {
    position: relative;
    padding: 76px 0 84px;
    background: #fff;
    overflow: hidden;
}
.hr11-hero::after {
    content: '';
    position: absolute;
    top: -130px;
    right: -130px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: var(--light);
}
.hr11-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 260px 1fr;
    grid-template-areas:
        'eyebrow eyebrow'
        'big big'
        'shot tail';
    gap: 24px 40px;
    align-items: end;
}
.hr11-eyebrow {
    grid-area: eyebrow;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--gray);
    font-size: 13px;
    letter-spacing: 5px;
}
.hr11-eyebrow span {
    color: var(--accent);
    font-size: 15px;
    line-height: 1;
    letter-spacing: 0;
}
.hr11-big {
    grid-area: big;
    margin: 4px 0 8px;
    padding-bottom: 22px;
    border-bottom: 2px solid var(--light);
    color: var(--primary);
    font-family: var(--font);
    font-size: 116px;
    font-weight: 800;
    line-height: 0.98;
    letter-spacing: 3px;
}
.hr11-shot {
    grid-area: shot;
    margin: 0;
}
.hr11-img {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.hr11-tail {
    grid-area: tail;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 20px;
    text-align: right;
}
.hr11-desc {
    max-width: 440px;
    color: #555;
    font-size: 15px;
    line-height: 1.85;
}
.hr11-btn {
    padding: 13px 36px;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1px;
    transition: background 0.3s ease, transform 0.3s ease;
}
.hr11-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}
@media (max-width: 768px) {
    .hr11-hero {
        padding: 46px 0 50px;
    }
    .hr11-hero::after {
        width: 190px;
        height: 190px;
        top: -80px;
        right: -80px;
    }
    .hr11-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            'eyebrow'
            'big'
            'shot'
            'tail';
        gap: 16px;
    }
    .hr11-eyebrow {
        font-size: 12px;
        letter-spacing: 3px;
    }
    .hr11-big {
        margin: 0;
        padding-bottom: 14px;
        font-size: 42px;
        line-height: 1.08;
        letter-spacing: 0;
    }
    .hr11-shot {
        max-width: 150px;
    }
    .hr11-tail {
        align-items: flex-start;
        text-align: left;
        gap: 16px;
    }
    .hr11-desc {
        font-size: 14px;
        line-height: 1.72;
    }
    .hr11-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; }
}
.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;
    }
}
.ad4-big{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 42px}
.ad4-big > .ad1-item{padding-left:24px;border-left:3px solid var(--accent);background:none;border-radius:0;box-shadow:none}
.ad4-big .ad1-toggle{display:none}
.ad4-big .ad1-num{display:none}
.ad4-big .ad1-label{display:inline}
.ad4-big .ad1-icon{font-size:28px;line-height:1;margin-bottom:16px}
.ad4-big .ad1-title{font-size:27px;font-weight:800;color:var(--primary);line-height:1.3;margin:0 0 12px;letter-spacing:-.5px}
.ad4-big .ad1-desc{font-size:14px;line-height:1.85;color:#666;margin:0}
@media (max-width:768px){
  .ad4-big{grid-template-columns:1fr;gap:26px}
  .ad4-big > .ad1-item{padding-left:16px}
  .ad4-big .ad1-icon{font-size:22px;margin-bottom:10px}
  .ad4-big .ad1-title{font-size:21px;margin-bottom:8px}
  .ad4-big .ad1-desc{font-size:13px;line-height:1.75}
}
.nw5-cols { column-count:2; column-gap:48px; column-rule:1px solid #e8ecf2 }
.nw5-cols .nw1-item { display:flex; align-items:baseline; gap:14px; padding:15px 2px; border-bottom:1px solid #eef1f6; text-decoration:none; break-inside:avoid; -webkit-column-break-inside:avoid; page-break-inside:avoid; transition:padding .25s ease, background .25s ease, border-color .25s ease }
.nw5-cols .nw1-date { flex:none; width:88px; font-size:12px; letter-spacing:.5px; color:var(--gray); transition:color .25s ease }
.nw5-cols .nw1-title { flex:1; min-width:0; font-size:15px; line-height:1.55; font-weight:600; color:var(--primary); transition:color .25s ease }
.nw5-cols .nw1-idx { flex:none; font-size:12px; line-height:1.6; color:#c9d2dd; transition:color .25s ease }
.nw5-cols .nw1-item:hover { padding-left:10px; background:#f7f9fc; border-bottom-color:var(--accent) }
.nw5-cols .nw1-item:hover .nw1-title { color:var(--accent) }
.nw5-cols .nw1-item:hover .nw1-date { color:var(--primary) }
.nw5-cols .nw1-item:hover .nw1-idx { color:var(--accent) }
@media (max-width:768px) {
    .nw5-cols { column-count:1; column-gap:0; column-rule:none }
    .nw5-cols .nw1-item { gap:10px; padding:12px 2px }
    .nw5-cols .nw1-date { width:76px; font-size:11px }
    .nw5-cols .nw1-title { font-size:14px }
    .nw5-cols .nw1-idx { font-size:11px }
    .nw5-cols .nw1-item:hover { padding-left:6px }
}
.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 }
}
.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 }
}
.ft7-foot { background: var(--primary); padding: 54px 0; }
.ft7-card { display: grid; grid-template-columns: 1.25fr 1fr; align-items: center; gap: 30px; padding: 32px 36px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.ft7-logo { display: inline-flex; align-items: center; gap: 9px; color: var(--primary); text-decoration: none; }
.ft7-ico { font-size: 22px; line-height: 1; }
.ft7-kw { font-size: 20px; font-weight: 800; letter-spacing: 1px; }
.ft7-kw em { font-style: normal; color: var(--accent); }
.ft7-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; }
.ft7-line { margin-top: 12px; font-size: 13px; line-height: 1.9; color: #667085; }
.ft7-menu { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 14px; list-style: none; }
.ft7-menu a { font-size: 12px; color: var(--primary); text-decoration: none; }
.ft7-menu a:hover { color: var(--accent); }
.ft7-info { list-style: none; padding-left: 30px; border-left: 1px dashed rgba(0,0,0,0.12); }
.ft7-info li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 7px 0; font-size: 12px; color: #8892a0; }
.ft7-info b { font-weight: 700; color: var(--primary); }
.ft7-dom { font-weight: 700; letter-spacing: 1px; color: var(--accent); }
@media (max-width:768px) {
    .ft7-foot { padding: 34px 0; }
    .ft7-card { grid-template-columns: 1fr; gap: 20px; padding: 24px 22px; }
    .ft7-ico { font-size: 19px; }
    .ft7-kw { font-size: 17px; }
    .ft7-brand { font-size: 10px; }
    .ft7-line { margin-top: 9px; font-size: 12px; }
    .ft7-menu { margin-top: 11px; gap: 6px 13px; }
    .ft7-menu a { font-size: 11px; }
    .ft7-info { padding-left: 0; padding-top: 14px; border-left: none; border-top: 1px dashed rgba(0,0,0,0.12); }
    .ft7-info li { padding: 6px 0; font-size: 11px; }
}


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