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

.nv1-bar { position: sticky; top: 0; z-index: 1000; background: var(--primary); border-bottom: 3px solid var(--accent); box-shadow: 0 2px 18px rgba(0,0,0,0.28); }
.nv1-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 64px; }
.nv1-logo { display: flex; align-items: center; gap: 9px; color: #fff; text-decoration: none; flex-shrink: 0; }
.nv1-ico { font-size: 22px; line-height: 1; }
.nv1-kw { font-size: 21px; font-weight: 800; letter-spacing: 1px; white-space: nowrap; }
.nv1-kw em { font-style: normal; color: var(--gold); }
.nv1-brand { font-size: 12px; color: rgba(255,255,255,0.5); padding-left: 9px; border-left: 1px solid rgba(255,255,255,0.22); white-space: nowrap; }
.nv1-menu { display: flex; align-items: center; gap: 4px; list-style: none; flex-wrap: wrap; }
.nv1-menu a { display: block; padding: 8px 15px; font-size: 14px; color: rgba(255,255,255,0.86); border-radius: 999px; text-decoration: none; }
.nv1-menu a:hover { background: rgba(255,255,255,0.14); color: #fff; }
@media (max-width:768px) {
    .nv1-inner { flex-wrap: wrap; justify-content: center; gap: 8px; padding: 10px 0; }
    .nv1-kw { font-size: 18px; }
    .nv1-ico { font-size: 19px; }
    .nv1-brand { font-size: 11px; }
    .nv1-menu { justify-content: center; gap: 2px; width: 100%; }
    .nv1-menu a { padding: 6px 10px; font-size: 13px; }
}
.hr9-hero {
    position: relative;
    padding-bottom: 82px;
    background: var(--light);
    overflow: hidden;
}
.hr9-visual {
    position: relative;
    height: 400px;
    background: var(--primary);
    overflow: hidden;
}
.hr9-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hr9-veil {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.04) 0%, rgba(0,0,0,0.30) 100%);
}
.hr9-panel {
    position: relative;
    z-index: 2;
    margin-top: -96px;
    padding: 44px 50px 46px;
    border-top: 5px solid var(--accent);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}
.hr9-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    color: var(--gray);
    font-size: 13px;
    letter-spacing: 4px;
}
.hr9-eyebrow span {
    color: var(--accent);
    letter-spacing: 0;
}
.hr9-title {
    margin-bottom: 18px;
    color: var(--primary);
    font-size: 42px;
    font-weight: 800;
    line-height: 1.22;
}
.hr9-title span {
    display: block;
    margin-top: 10px;
    color: var(--accent);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 4px;
}
.hr9-desc {
    max-width: 720px;
    margin-bottom: 28px;
    color: #555;
    font-size: 16px;
    line-height: 1.9;
}
.hr9-btn {
    display: inline-block;
    padding: 14px 40px;
    border-radius: var(--radius);
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 1px;
    transition: background 0.3s ease, transform 0.3s ease;
}
.hr9-btn:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}
@media (max-width: 768px) {
    .hr9-hero {
        padding-bottom: 52px;
    }
    .hr9-visual {
        height: 230px;
    }
    .hr9-panel {
        margin-top: -62px;
        padding: 26px 22px 28px;
    }
    .hr9-eyebrow {
        margin-bottom: 12px;
        font-size: 12px;
        letter-spacing: 2px;
    }
    .hr9-title {
        margin-bottom: 12px;
        font-size: 25px;
    }
    .hr9-title span {
        margin-top: 6px;
        font-size: 15px;
        letter-spacing: 2px;
    }
    .hr9-desc {
        margin-bottom: 20px;
        font-size: 14px;
        line-height: 1.72;
    }
    .hr9-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; }
}
.wk1-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px }
.wk1-grid .wk1-item { display:flex; flex-direction:column; background:#fff; border:1px solid #e8ecf2; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); transition:transform .3s ease, box-shadow .3s ease }
.wk1-grid .wk1-item:hover { transform:translateY(-6px); box-shadow:0 18px 36px rgba(15,23,42,.16) }
.wk1-grid .wk1-thumb { position:relative; aspect-ratio:16/9; overflow:hidden; background:var(--light) }
.wk1-grid .wk1-thumb img { display:block; width:100%; height:100%; object-fit:cover; transition:transform .5s ease }
.wk1-grid .wk1-item:hover .wk1-thumb img { transform:scale(1.07) }
.wk1-grid .wk1-badge { position:absolute; top:10px; left:10px; padding:4px 10px; border-radius:999px; background:var(--accent); color:#fff; font-size:12px; line-height:1.5; letter-spacing:.5px }
.wk1-grid .wk1-idx { position:absolute; top:10px; right:10px; display:flex; align-items:center; justify-content:center; width:26px; height:26px; border-radius:50%; background:rgba(15,23,42,.62); color:#fff; font-size:12px }
.wk1-grid .wk1-info { display:flex; flex-direction:column; flex:1; padding:16px 16px 18px }
.wk1-grid .wk1-head { display:flex; align-items:flex-start; justify-content:space-between; gap:10px }
.wk1-grid .wk1-title { margin:0; font-size:17px; line-height:1.42; font-weight:700; color:var(--primary) }
.wk1-grid .wk1-tag { flex:none; padding:2px 9px; border-radius:var(--radius); background:var(--light); color:var(--secondary); font-size:12px }
.wk1-grid .wk1-meta { margin-top:8px; font-size:13px; color:var(--gray) }
.wk1-grid .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) }
.wk1-grid .wk1-btn { align-self:flex-start; margin-top:auto; padding:8px 18px; border:1px solid var(--accent); border-radius:999px; background:transparent; color:var(--accent); font-size:13px; cursor:pointer; transition:background .25s ease, color .25s ease }
.wk1-grid .wk1-btn:hover { background:var(--accent); color:#fff }
@media (max-width:768px) {
    .wk1-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px }
    .wk1-grid .wk1-info { padding:12px }
    .wk1-grid .wk1-title { font-size:15px }
    .wk1-grid .wk1-desc { margin:8px 0 10px }
    .wk1-grid .wk1-btn { padding:7px 14px; font-size:12px }
}
.ad5-acc{max-width:820px;margin:0 auto}
.ad5-acc > .ad1-item{position:relative;background:#fff;border:1px solid #e6eaf0;border-radius:var(--radius);padding:0 22px;margin-bottom:14px;overflow:hidden;transition:box-shadow .3s ease,border-color .3s ease}
.ad5-acc > .ad1-item:hover{box-shadow:var(--shadow);border-color:var(--accent)}
.ad5-acc .ad1-toggle{position:absolute;top:0;left:0;width:1px;height:1px;opacity:0;pointer-events:none}
.ad5-acc .ad1-icon{display:none}
.ad5-acc .ad1-num{display:none}
.ad5-acc .ad1-title{position:relative;font-size:17px;font-weight:700;color:var(--primary);margin:0;line-height:1.5}
.ad5-acc .ad1-label{display:block;cursor:pointer;padding:18px 46px 18px 0}
.ad5-acc .ad1-title::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;line-height:1;color:var(--accent)}
.ad5-acc .ad1-toggle:checked ~ .ad1-title::after{content:"-"}
.ad5-acc .ad1-desc{max-height:0;margin:0;padding:0;font-size:14px;line-height:1.8;color:#666;opacity:0;overflow:hidden;transition:max-height .35s ease,opacity .3s ease,padding .35s ease}
.ad5-acc .ad1-toggle:checked ~ .ad1-desc{max-height:420px;opacity:1;padding-bottom:18px}
@media (max-width:768px){
  .ad5-acc > .ad1-item{padding:0 16px;margin-bottom:10px}
  .ad5-acc .ad1-title{font-size:16px}
  .ad5-acc .ad1-label{padding:15px 38px 15px 0}
  .ad5-acc .ad1-desc{font-size:13px;line-height:1.75}
  .ad5-acc .ad1-toggle:checked ~ .ad1-desc{max-height:520px}
}
.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 }
}
.faq5-split { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 46px; align-items: start; }
.faq5-side { position: sticky; top: 96px; }
.faq5-side .sec-title { font-size: 30px; }
.faq5-side .sec-sub { max-width: none; margin-bottom: 22px; font-size: 15px; line-height: 1.9; }
.faq5-note { display: block; padding-top: 18px; border-top: 2px solid var(--accent); font-size: 13px; letter-spacing: .12em; color: var(--gray); }
.faq5-list { border-top: 1px solid rgba(0, 0, 0, .1); }
.faq5-list .fq1-item { border-bottom: 1px solid rgba(0, 0, 0, .1); }
.faq5-list .fq1-q { position: relative; padding: 20px 48px 20px 0; font-size: 16px; line-height: 1.6; font-weight: 700; color: var(--primary); cursor: pointer; transition: color .3s ease; }
.faq5-list .fq1-no { display: none; }
.faq5-list .fq1-q::after { content: ""; position: absolute; top: 50%; right: 6px; width: 9px; height: 9px; border-right: 2px solid var(--gray); border-bottom: 2px solid var(--gray); transform: translateY(-70%) rotate(45deg); transition: transform .3s ease, border-color .3s ease; }
.faq5-list .fq1-item.open .fq1-q { color: var(--accent); }
.faq5-list .fq1-item.open .fq1-q::after { border-color: var(--accent); transform: translateY(-30%) rotate(-135deg); }
.faq5-list .fq1-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq5-list .fq1-item.open .fq1-a { max-height: 460px; }
.faq5-list .fq1-a-in { padding: 0 48px 22px 0; font-size: 14px; line-height: 1.9; color: var(--gray); }
@media (max-width: 768px) {
    .faq5-split { grid-template-columns: minmax(0, 1fr); gap: 24px; }
    .faq5-side { position: static; top: auto; }
    .faq5-side .sec-title { font-size: 24px; }
    .faq5-side .sec-sub { margin-bottom: 14px; font-size: 14px; }
    .faq5-note { padding-top: 12px; font-size: 12px; }
    .faq5-list .fq1-q { padding: 16px 40px 16px 0; font-size: 15px; }
    .faq5-list .fq1-q::after { right: 4px; width: 8px; height: 8px; }
    .faq5-list .fq1-item.open .fq1-a { max-height: 620px; }
    .faq5-list .fq1-a-in { padding: 0 20px 18px 0; font-size: 13px; }
}
.cm2-panel { display:flex; flex-direction:column; gap:16px; padding:28px; background:#fff; border:1px solid #e4e9f0; border-radius:20px; box-shadow:var(--shadow) }
.cm2-panel .cm1-item { position:relative; display:flex; align-items:flex-start; gap:14px; max-width:84% }
.cm2-panel .cm1-item:nth-child(even) { flex-direction:row-reverse; margin-left:auto }
.cm2-panel .cm1-head { flex:none; display:flex; flex-direction:column; align-items:center; gap:6px; width:64px }
.cm2-panel .cm1-av { width:52px; height:52px; border-radius:50%; object-fit:cover; border:2px solid var(--light); background:var(--light) }
.cm2-panel .cm1-who { display:flex; flex-direction:column; align-items:center; gap:2px; width:100% }
.cm2-panel .cm1-name { font-size:12px; font-weight:600; line-height:1.35; text-align:center; color:var(--primary); word-break:break-all }
.cm2-panel .cm1-date { font-size:11px; color:var(--gray) }
.cm2-panel .cm1-text { position:relative; flex:1 1 auto; min-width:0; margin:0; padding:15px 18px; background:var(--primary); color:#fff; font-size:14px; line-height:1.8; border-radius:16px; box-shadow:0 10px 22px rgba(15,23,42,.16) }
.cm2-panel .cm1-text::before { content:""; position:absolute; top:16px; left:-5px; width:12px; height:12px; background:var(--primary); transform:rotate(45deg) }
.cm2-panel .cm1-item:nth-child(even) .cm1-text::before { left:auto; right:-5px }
.cm2-panel .cm1-initial { position:absolute; right:14px; bottom:0; font-size:46px; font-weight:700; line-height:1; color:rgba(255,255,255,.12); pointer-events:none }
.cm2-panel .cm1-item:nth-child(even) .cm1-initial { right:auto; left:14px }
.cm2-panel .cm1-idx { display:none }
@media (max-width:768px) {
    .cm2-panel { gap:14px; padding:18px 16px }
    .cm2-panel .cm1-item { gap:10px; max-width:100% }
    .cm2-panel .cm1-head { width:52px }
    .cm2-panel .cm1-av { width:42px; height:42px }
    .cm2-panel .cm1-name { font-size:11px }
    .cm2-panel .cm1-text { padding:12px 14px; font-size:13px; line-height:1.75; border-radius:14px }
    .cm2-panel .cm1-text::before { top:14px }
    .cm2-panel .cm1-initial { font-size:34px }
}
.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; }
}