/* ===== base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #1f2a33;
    --secondary: #2e3f4a;
    --accent: #e07a5f;
    --gold: #f2cc8f;
    --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); }

.nv5-bar { position: absolute; top: 0; left: 0; right: 0; z-index: 1000; padding: 22px 0; background: linear-gradient(180deg, rgba(0,0,0,0.42), rgba(0,0,0,0)); }
.nv5-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.nv5-logo { display: flex; align-items: center; gap: 9px; color: #fff; text-decoration: none; white-space: nowrap; text-shadow: 0 2px 10px rgba(0,0,0,0.72); }
.nv5-ico { font-size: 24px; line-height: 1; }
.nv5-kw { font-size: 22px; font-weight: 800; letter-spacing: 2px; }
.nv5-kw em { font-style: normal; color: var(--gold); }
.nv5-brand { font-size: 12px; color: rgba(255,255,255,0.86); padding-left: 9px; border-left: 1px solid rgba(255,255,255,0.5); }
.nv5-menu { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px; list-style: none; }
.nv5-menu a { display: block; padding: 7px 16px; font-size: 13px; color: #fff; text-decoration: none; border: 1px solid rgba(255,255,255,0.6); border-radius: 999px; background: rgba(0,0,0,0.18); text-shadow: 0 1px 6px rgba(0,0,0,0.7); }
.nv5-menu a:hover { background: rgba(255,255,255,0.26); border-color: #fff; }
@media (max-width:768px) {
    .nv5-bar { padding: 14px 0; }
    .nv5-inner { flex-wrap: wrap; justify-content: center; gap: 10px; }
    .nv5-ico { font-size: 20px; }
    .nv5-kw { font-size: 18px; letter-spacing: 1px; }
    .nv5-brand { font-size: 11px; }
    .nv5-menu { justify-content: center; width: 100%; gap: 6px; }
    .nv5-menu a { padding: 5px 12px; font-size: 12px; }
}
.hr7-hero {
    padding: 80px 0;
    background: #fff;
}
.hr7-stack {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    align-items: end;
}
.hr7-media {
    position: relative;
    grid-column: 2;
    grid-row: 1;
    padding-top: 30px;
}
.hr7-img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.hr7-badge {
    position: absolute;
    top: 8px;
    right: 18px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
}
.hr7-card {
    position: relative;
    z-index: 2;
    grid-column: 1;
    grid-row: 1;
    margin-right: -80px;
    margin-bottom: 62px;
    padding: 42px 38px 38px;
    border-top: 5px solid var(--accent);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 20px 50px rgba(0,0,0,0.16);
}
.hr7-title {
    margin-bottom: 18px;
    color: var(--primary);
    font-size: 36px;
    font-weight: 800;
    line-height: 1.28;
}
.hr7-title span {
    display: block;
    margin-top: 8px;
    color: var(--accent);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 3px;
}
.hr7-desc {
    margin-bottom: 26px;
    color: #555;
    font-size: 15px;
    line-height: 1.85;
}
.hr7-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: var(--radius);
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    transition: background 0.3s ease, transform 0.3s ease;
}
.hr7-btn:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}
@media (max-width: 768px) {
    .hr7-hero {
        padding: 46px 0;
    }
    .hr7-stack {
        grid-template-columns: 1fr;
    }
    .hr7-media {
        grid-column: 1;
        grid-row: 1;
        padding-top: 0;
    }
    .hr7-img {
        aspect-ratio: 16 / 11;
    }
    .hr7-badge {
        top: 12px;
        right: 12px;
        font-size: 12px;
        padding: 6px 12px;
    }
    .hr7-card {
        grid-column: 1;
        grid-row: 2;
        margin: -34px 14px 0;
        padding: 26px 20px 24px;
    }
    .hr7-title {
        font-size: 24px;
        margin-bottom: 12px;
    }
    .hr7-title span {
        font-size: 16px;
        letter-spacing: 1px;
    }
    .hr7-desc {
        margin-bottom: 18px;
        font-size: 14px;
        line-height: 1.72;
    }
    .hr7-btn {
        padding: 11px 24px;
        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; }
}
.wk4-masonry { column-count:3; column-gap:22px }
.wk4-masonry .wk1-item { break-inside:avoid; -webkit-column-break-inside:avoid; page-break-inside:avoid; display:block; margin:0 0 22px; background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow) }
.wk4-masonry .wk1-item:nth-child(3n+1) .wk1-thumb { aspect-ratio:1/1 }
.wk4-masonry .wk1-item:nth-child(3n+2) .wk1-thumb { aspect-ratio:16/9 }
.wk4-masonry .wk1-item:nth-child(3n) .wk1-thumb { aspect-ratio:4/5 }
.wk4-masonry .wk1-thumb { position:relative; overflow:hidden; background:var(--light) }
.wk4-masonry .wk1-thumb img { display:block; width:100%; height:100%; object-fit:cover; transition:transform .5s ease }
.wk4-masonry .wk1-item:hover .wk1-thumb img { transform:scale(1.06) }
.wk4-masonry .wk1-badge { position:absolute; top:10px; left:10px; padding:3px 10px; border-radius:var(--radius); background:var(--primary); color:#fff; font-size:12px }
.wk4-masonry .wk1-idx { position:absolute; right:12px; bottom:8px; color:#fff; font-size:26px; font-weight:700; line-height:1; opacity:.6 }
.wk4-masonry .wk1-info { padding:14px 16px 16px }
.wk4-masonry .wk1-head { display:flex; align-items:baseline; justify-content:space-between; gap:8px }
.wk4-masonry .wk1-title { margin:0; font-size:16px; line-height:1.45; color:var(--primary) }
.wk4-masonry .wk1-tag { flex:none; color:var(--accent); font-size:12px }
.wk4-masonry .wk1-meta { margin-top:6px; font-size:12px; color:var(--gray) }
.wk4-masonry .wk1-desc { margin:8px 0 12px; font-size:13px; line-height:1.7; color:var(--gray) }
.wk4-masonry .wk1-btn { width:100%; padding:8px 0; border:1px dashed var(--accent); border-radius:var(--radius); background:transparent; color:var(--accent); font-size:13px; cursor:pointer; transition:background .25s ease, color .25s ease }
.wk4-masonry .wk1-btn:hover { background:var(--accent); color:#fff }
@media (max-width:768px) {
    .wk4-masonry { column-count:2; column-gap:12px }
    .wk4-masonry .wk1-item { margin-bottom:12px }
    .wk4-masonry .wk1-item:nth-child(3n) .wk1-thumb { aspect-ratio:1/1 }
    .wk4-masonry .wk1-item:nth-child(3n+2) .wk1-thumb { aspect-ratio:1/1 }
    .wk4-masonry .wk1-title { font-size:14px }
    .wk4-masonry .wk1-desc { display:none }
    .wk4-masonry .wk1-btn { padding:7px 0; font-size:12px }
}
.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}
}
.nw6-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px }
.nw6-grid .nw1-item { position:relative; display:block; margin-top:20px; padding:36px 24px 26px; border:1px solid #e8ecf2; 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 }
.nw6-grid .nw1-idx { position:absolute; left:22px; top:-20px; display:flex; align-items:center; justify-content:center; width:54px; height:54px; border-radius:16px; background:linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); color:#fff; font-size:20px; font-weight:800; line-height:1; letter-spacing:-1px; box-shadow:0 12px 24px rgba(15,23,42,.22); transition:background .3s ease, transform .3s ease }
.nw6-grid .nw1-date { display:block; padding-left:58px; margin-bottom:14px; font-size:12px; line-height:1.7; letter-spacing:.5px; color:var(--gray); transition:color .3s ease }
.nw6-grid .nw1-title { display:block; font-size:18px; line-height:1.5; font-weight:700; color:var(--primary); transition:color .3s ease }
.nw6-grid .nw1-item:hover { transform:translateY(-6px); border-color:var(--accent); box-shadow:0 20px 40px rgba(15,23,42,.16) }
.nw6-grid .nw1-item:hover .nw1-idx { background:linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%); transform:scale(1.06) }
.nw6-grid .nw1-item:hover .nw1-date { color:var(--accent) }
.nw6-grid .nw1-item:hover .nw1-title { color:var(--accent) }
@media (max-width:768px) {
    .nw6-grid { grid-template-columns:minmax(0,1fr); gap:16px }
    .nw6-grid .nw1-item { margin-top:16px; padding:28px 18px 20px }
    .nw6-grid .nw1-idx { left:16px; top:-16px; width:44px; height:44px; border-radius:13px; font-size:16px }
    .nw6-grid .nw1-date { padding-left:50px; margin-bottom:10px; font-size:11px }
    .nw6-grid .nw1-title { font-size:16px }
}
.faq8-plain { max-width: 860px; margin: 0 auto; }
.faq8-plain .fq1-item { padding: 26px 0; border-bottom: 1px dashed rgba(0, 0, 0, .18); }
.faq8-plain .fq1-item:first-child { padding-top: 0; }
.faq8-plain .fq1-no { display: none; }
.faq8-plain .fq1-q { position: relative; padding-right: 32px; font-size: 19px; line-height: 1.5; font-weight: 700; color: var(--primary); cursor: pointer; transition: color .3s ease; }
.faq8-plain .fq1-item.open .fq1-q { color: var(--accent); }
.faq8-plain .fq1-q::after { content: ""; position: absolute; top: 50%; right: 6px; width: 8px; height: 8px; 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; }
.faq8-plain .fq1-item.open .fq1-q::after { border-color: var(--accent); transform: translateY(-30%) rotate(-135deg); }
.faq8-plain .fq1-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq8-plain .fq1-item.open .fq1-a { max-height: 520px; }
.faq8-plain .fq1-a-in { padding: 12px 32px 0 28px; font-size: 14px; line-height: 1.95; color: var(--gray); }
@media (max-width: 768px) {
    .faq8-plain .fq1-item { padding: 18px 0; }
    .faq8-plain .fq1-q { padding-right: 26px; font-size: 16px; }
    .faq8-plain .fq1-q::after { right: 4px; width: 7px; height: 7px; }
    .faq8-plain .fq1-item.open .fq1-a { max-height: 660px; }
    .faq8-plain .fq1-a-in { padding: 10px 26px 0 14px; 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 }
}
.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; }
}