/* ===== base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #0d0b14;
    --secondary: #17131f;
    --accent: #ff6b00;
    --gold: #ffe600;
    --light: #f0f0f0;
    --gray: #888;
    --radius: 10px;
    --shadow: 0 8px 32px rgba(0,0,0,0.18);
    --font: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", 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; }
}
.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;
    }
}
.it5-flow { margin-top: 6px; }
.it5-row { display: grid; grid-template-columns: 1.5fr .5fr; gap: 38px; align-items: center; padding: 28px 0; border-bottom: 1px dashed rgba(0, 0, 0, .14); }
.it5-flow .it5-row:first-child { padding-top: 0; }
.it5-row:last-child { padding-bottom: 0; border-bottom: 0; }
.it5-rev { grid-template-columns: .5fr 1.5fr; }
.it5-rev .it5-text { order: 2; }
.it5-rev .it5-data { order: 1; }
.it5-idx { display: block; margin-bottom: 8px; font-size: 12px; font-weight: 700; letter-spacing: .22em; color: var(--accent); }
.it5-text p { color: #555; line-height: 1.9; font-size: 15px; margin: 0; }
.it5-text p strong { color: var(--primary); }
.it5-data { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 26px 16px; text-align: center; background: var(--light); border-top: 3px solid var(--accent); border-radius: var(--radius); }
.it5-num { font-size: 32px; line-height: 1; font-weight: 800; color: var(--primary); }
.it5-lbl { font-size: 13px; color: #666; }
@media (max-width: 768px) {
    .it5-row, .it5-rev { grid-template-columns: 1fr; gap: 14px; padding: 20px 0; }
    .it5-rev .it5-text, .it5-rev .it5-data { order: 0; }
    .it5-data { padding: 18px 14px; }
    .it5-num { font-size: 26px; }
}
.wk3-list { display:flex; flex-direction:column; gap:18px }
.wk3-list .wk1-item { display:grid; grid-template-columns:320px minmax(0,1fr); gap:24px; align-items:center; padding:16px; background:#fff; border-left:4px solid var(--accent); border-radius:var(--radius); box-shadow:var(--shadow); transition:transform .3s ease, border-color .3s ease }
.wk3-list .wk1-item:nth-child(even) { background:var(--light) }
.wk3-list .wk1-item:hover { transform:translateX(6px); border-left-color:var(--gold) }
.wk3-list .wk1-thumb { position:relative; aspect-ratio:16/9; overflow:hidden; border-radius:var(--radius); background:#dde3ea }
.wk3-list .wk1-thumb img { display:block; width:100%; height:100%; object-fit:cover; transition:transform .5s ease }
.wk3-list .wk1-item:hover .wk1-thumb img { transform:scale(1.06) }
.wk3-list .wk1-badge { position:absolute; bottom:10px; left:10px; padding:3px 10px; border-radius:var(--radius); background:rgba(15,23,42,.66); color:#fff; font-size:12px }
.wk3-list .wk1-idx { position:absolute; top:0; right:0; padding:4px 12px; border-bottom-left-radius:var(--radius); background:var(--primary); color:#fff; font-size:14px; letter-spacing:1px }
.wk3-list .wk1-info { min-width:0 }
.wk3-list .wk1-head { display:flex; align-items:center; justify-content:space-between; gap:12px }
.wk3-list .wk1-title { margin:0; font-size:20px; line-height:1.4; color:var(--primary) }
.wk3-list .wk1-tag { flex:none; padding:3px 10px; border-radius:999px; background:var(--secondary); color:#fff; font-size:12px }
.wk3-list .wk1-meta { margin-top:8px; font-size:13px; color:var(--gray) }
.wk3-list .wk1-desc { margin:10px 0 14px; font-size:14px; line-height:1.75; color:var(--gray) }
.wk3-list .wk1-btn { padding:8px 20px; border:none; border-radius:var(--radius); background:var(--primary); color:#fff; font-size:13px; cursor:pointer; transition:background .25s ease }
.wk3-list .wk1-btn:hover { background:var(--accent) }
@media (max-width:768px) {
    .wk3-list { gap:14px }
    .wk3-list .wk1-item { grid-template-columns:minmax(0,1fr); gap:14px; padding:12px }
    .wk3-list .wk1-item:hover { transform:none }
    .wk3-list .wk1-title { font-size:17px }
    .wk3-list .wk1-desc { display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; margin:8px 0 12px; 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}
}
.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 }
}
.fq1-list { display:flex; flex-direction:column; gap:14px; max-width:900px; margin:0 auto }
.fq1-list .fq1-item { background:#fff; border-radius:var(--radius); box-shadow:var(--shadow); overflow:hidden }
.fq1-list .fq1-q { position:relative; padding:18px 54px 18px 24px; border-left:4px solid #dbe2ec; font-size:16px; line-height:1.6; font-weight:700; color:var(--primary); cursor:pointer; transition:border-color .3s ease, background .3s ease }
.fq1-list .fq1-no { margin-right:10px; color:var(--accent); font-size:14px; font-weight:700; letter-spacing:1px }
.fq1-list .fq1-q::after { content:"+"; position:absolute; top:50%; right:22px; transform:translateY(-50%); color:var(--accent); font-size:22px; line-height:1; transition:transform .3s ease }
.fq1-list .fq1-item.open .fq1-q { border-left-color:var(--accent); background:var(--light) }
.fq1-list .fq1-item.open .fq1-q::after { transform:translateY(-50%) rotate(45deg) }
.fq1-list .fq1-a { max-height:0; overflow:hidden; transition:max-height .4s ease }
.fq1-list .fq1-item.open .fq1-a { max-height:420px }
.fq1-list .fq1-a-in { padding:6px 24px 20px 28px; font-size:14px; line-height:1.85; color:var(--gray) }
@media (max-width:768px) {
    .fq1-list { gap:10px }
    .fq1-list .fq1-q { padding:14px 44px 14px 16px; font-size:15px }
    .fq1-list .fq1-no { margin-right:6px; font-size:13px }
    .fq1-list .fq1-q::after { right:16px; font-size:20px }
    .fq1-list .fq1-item.open .fq1-a { max-height:620px }
    .fq1-list .fq1-a-in { padding:4px 16px 16px 20px; font-size:13px }
}
.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 }
}
.ft3-foot { background: var(--light); border-top: 1px solid rgba(0,0,0,0.08); padding: 46px 0 30px; text-align: center; }
.ft3-logo { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); text-decoration: none; }
.ft3-ico { font-size: 21px; line-height: 1; }
.ft3-kw { font-size: 19px; font-weight: 800; letter-spacing: 2px; }
.ft3-kw em { font-style: normal; color: var(--accent); }
.ft3-brand { font-size: 11px; font-weight: 500; color: var(--gray); padding-left: 8px; border-left: 1px solid rgba(0,0,0,0.14); }
.ft3-line { max-width: 560px; margin: 15px auto 0; font-size: 13px; line-height: 1.95; color: #6b6b6b; }
.ft3-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; list-style: none; }
.ft3-tags li { padding: 4px 13px; font-size: 12px; color: var(--primary); background: rgba(0,0,0,0.05); border-radius: 999px; }
.ft3-rule { width: 54px; height: 2px; margin: 22px auto 16px; background: var(--accent); }
.ft3-copy { font-size: 12px; color: var(--gray); }
.ft3-copy b { font-weight: 600; color: var(--primary); letter-spacing: 1px; }
@media (max-width:768px) {
    .ft3-foot { padding: 32px 0 22px; }
    .ft3-ico { font-size: 18px; }
    .ft3-kw { font-size: 16px; letter-spacing: 1px; }
    .ft3-brand { font-size: 10px; }
    .ft3-line { margin-top: 11px; font-size: 12px; }
    .ft3-tags { margin-top: 13px; gap: 6px; }
    .ft3-tags li { padding: 3px 10px; font-size: 11px; }
    .ft3-rule { margin: 16px auto 12px; }
    .ft3-copy { font-size: 11px; }
}


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