/* ===== base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #111318;
    --secondary: #1a1d24;
    --accent: #6c5ce7;
    --gold: #fdcb6e;
    --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); }

.nv8-bar { position: relative; z-index: 900; background: transparent; border-bottom: 1px solid rgba(0,0,0,0.15); }
.nv8-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; padding: 20px 0; }
.nv8-logo { display: inline-flex; align-items: baseline; gap: 6px; color: var(--primary); text-decoration: none; flex-shrink: 0; }
.nv8-ico { font-size: 15px; line-height: 1; }
.nv8-kw { font-size: 17px; font-weight: 600; letter-spacing: 3px; white-space: nowrap; }
.nv8-kw em { font-style: normal; color: var(--gray); }
.nv8-brand { font-size: 10px; letter-spacing: 2px; color: var(--gray); text-transform: uppercase; white-space: nowrap; }
.nv8-menu { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 24px; list-style: none; }
.nv8-menu a { display: block; padding-bottom: 3px; font-size: 13px; letter-spacing: 1px; color: #5a5a5a; text-decoration: none; border-bottom: 1px solid transparent; }
.nv8-menu a:hover { color: var(--primary); border-bottom-color: var(--primary); }
@media (max-width:768px) {
    .nv8-inner { flex-direction: column; align-items: center; gap: 10px; padding: 14px 0; }
    .nv8-kw { font-size: 16px; letter-spacing: 2px; }
    .nv8-ico { font-size: 14px; }
    .nv8-brand { font-size: 9px; }
    .nv8-menu { justify-content: center; gap: 14px; }
    .nv8-menu a { 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;
    }
}
.it8-head { margin-bottom: 36px; }
.it8-head .sec-sub { margin-bottom: 0; }
.it8-line { position: relative; max-width: 880px; }
.it8-line::before { content: ""; position: absolute; left: 84px; top: 10px; bottom: 10px; width: 1px; background: rgba(0, 0, 0, .12); }
.it8-row { position: relative; display: grid; grid-template-columns: 84px 1fr; gap: 26px; padding-bottom: 30px; }
.it8-row:last-child { padding-bottom: 0; }
.it8-row::after { content: ""; position: absolute; left: 84px; top: 7px; width: 9px; height: 9px; margin-left: -4px; border-radius: 50%; background: var(--accent); }
.it8-idx { display: block; font-size: 15px; font-weight: 800; letter-spacing: .08em; color: var(--accent); }
.it8-body { padding-left: 30px; }
.it8-body p { margin: 0; color: #555; line-height: 1.95; font-size: 15px; }
.it8-body p strong { color: var(--primary); }
.it8-stats { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 38px; padding-top: 28px; border-top: 1px solid rgba(0, 0, 0, .08); }
.it8-stats .it1-stat { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 0; text-align: center; background: none; border: 0; border-left: 0; border-radius: 0; }
.it8-stats .it1-num { font-size: 30px; line-height: 1.1; color: var(--primary); }
.it8-stats .it1-lbl { font-size: 13px; color: #666; }
@media (max-width: 768px) {
    .it8-line::before { left: 42px; }
    .it8-row { grid-template-columns: 42px 1fr; gap: 16px; padding-bottom: 22px; }
    .it8-row::after { left: 42px; }
    .it8-body { padding-left: 10px; }
    .it8-stats { grid-template-columns: 1fr; gap: 16px; margin-top: 26px; padding-top: 22px; }
    .it8-stats .it1-num { font-size: 24px; }
}
.wk2-posters { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:22px }
.wk2-posters .wk1-item { position:relative; border-radius:var(--radius); overflow:hidden; background:var(--primary); box-shadow:var(--shadow) }
.wk2-posters .wk1-thumb { position:relative; aspect-ratio:3/4; overflow:hidden }
.wk2-posters .wk1-thumb img { display:block; width:100%; height:100%; object-fit:cover; transition:transform .5s ease, filter .5s ease }
.wk2-posters .wk1-item:hover .wk1-thumb img { transform:scale(1.08); filter:brightness(.7) }
.wk2-posters .wk1-badge { position:absolute; top:12px; left:12px; padding:4px 10px; border-radius:var(--radius); background:var(--gold); color:#1f2937; font-size:12px; font-weight:600 }
.wk2-posters .wk1-idx { position:absolute; top:12px; right:12px; color:rgba(255,255,255,.85); font-size:13px; letter-spacing:1px }
.wk2-posters .wk1-info { position:absolute; left:0; right:0; bottom:0; padding:22px 18px 20px; background:linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.78) 55%, rgba(0,0,0,.92) 100%); color:#fff; transform:translateY(34%); transition:transform .38s ease }
.wk2-posters .wk1-item:hover .wk1-info { transform:translateY(0) }
.wk2-posters .wk1-head { display:flex; align-items:center; justify-content:space-between; gap:8px }
.wk2-posters .wk1-title { margin:0; font-size:18px; line-height:1.35; color:#fff }
.wk2-posters .wk1-tag { flex:none; padding:2px 9px; border:1px solid rgba(255,255,255,.38); border-radius:999px; color:var(--gold); font-size:12px }
.wk2-posters .wk1-meta { margin-top:6px; font-size:12px; color:rgba(255,255,255,.72) }
.wk2-posters .wk1-desc { max-height:0; margin:0; overflow:hidden; opacity:0; font-size:13px; line-height:1.7; color:rgba(255,255,255,.86); transition:max-height .38s ease, opacity .3s ease, margin .38s ease }
.wk2-posters .wk1-item:hover .wk1-desc { max-height:130px; margin:10px 0 0; opacity:1 }
.wk2-posters .wk1-btn { width:100%; margin-top:14px; padding:9px 0; border:1px solid rgba(255,255,255,.55); border-radius:var(--radius); background:rgba(255,255,255,.08); color:#fff; font-size:13px; cursor:pointer; transition:background .25s ease, border-color .25s ease }
.wk2-posters .wk1-btn:hover { background:var(--accent); border-color:var(--accent) }
@media (max-width:768px) {
    .wk2-posters { grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px }
    .wk2-posters .wk1-info { transform:translateY(0); padding:16px 14px 14px }
    .wk2-posters .wk1-title { font-size:15px }
    .wk2-posters .wk1-desc { max-height:none; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; margin:8px 0 0; opacity:1 }
    .wk2-posters .wk1-btn { margin-top:10px; padding:7px 0 }
}
.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}
}
.nw1-list { border-top:1px solid #e8ecf2 }
.nw1-list .nw1-item { display:flex; align-items:center; gap:20px; padding:18px 14px; border-bottom:1px solid #e8ecf2; text-decoration:none; transition:background .25s ease, padding .25s ease, border-color .25s ease }
.nw1-list .nw1-date { flex:none; width:104px; font-size:13px; letter-spacing:.5px; color:var(--gray); transition:color .25s ease }
.nw1-list .nw1-title { flex:1; min-width:0; font-size:16px; line-height:1.5; font-weight:600; color:var(--primary); transition:color .25s ease }
.nw1-list .nw1-idx { flex:none; min-width:22px; text-align:right; font-size:13px; color:#c9d2dd; transition:color .25s ease }
.nw1-list .nw1-item:hover { padding-left:22px; background:#f5f7fa; border-bottom-color:var(--accent) }
.nw1-list .nw1-item:hover .nw1-title { color:var(--accent) }
.nw1-list .nw1-item:hover .nw1-date { color:var(--primary) }
.nw1-list .nw1-item:hover .nw1-idx { color:var(--accent) }
@media (max-width:768px) {
    .nw1-list .nw1-item { flex-wrap:wrap; gap:6px 12px; padding:14px 10px }
    .nw1-list .nw1-date { width:auto; font-size:12px }
    .nw1-list .nw1-title { flex:1 1 100%; order:2; font-size:15px; line-height:1.55 }
    .nw1-list .nw1-idx { margin-left:auto; font-size:12px }
    .nw1-list .nw1-item:hover { padding-left:14px }
}
.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; }
}
.cm8-flow { position:relative; padding-left:6px }
.cm8-flow::before { content:""; position:absolute; top:8px; bottom:8px; left:32px; width:2px; background:linear-gradient(180deg,var(--accent),rgba(15,23,42,.06)) }
.cm8-flow .cm1-item { position:relative; padding:0 0 30px 84px; min-height:64px }
.cm8-flow .cm1-item:last-child { padding-bottom:0 }
.cm8-flow .cm1-head { position:absolute; left:0; top:0; display:flex; flex-direction:column; align-items:center; gap:6px; width:64px }
.cm8-flow .cm1-av { width:46px; height:46px; border-radius:50%; object-fit:cover; background:var(--light); border:3px solid #fff; box-shadow:0 4px 12px rgba(15,23,42,.16) }
.cm8-flow .cm1-who { display:flex; flex-direction:column; align-items:center; gap:1px; width:100% }
.cm8-flow .cm1-name { font-size:11px; font-weight:600; line-height:1.35; text-align:center; color:var(--primary); word-break:break-all }
.cm8-flow .cm1-date { font-size:11px; color:var(--gray); white-space:nowrap }
.cm8-flow .cm1-text { margin:0; padding:16px 20px; background:#fff; border:1px solid #e8ecf2; border-left:3px solid var(--accent); border-radius:0 var(--radius) var(--radius) 0; box-shadow:var(--shadow); font-size:14px; line-height:1.85; color:#4b5563 }
.cm8-flow .cm1-item:nth-child(even) .cm1-text { border-left-color:var(--secondary) }
.cm8-flow .cm1-idx { display:none }
.cm8-flow .cm1-initial { position:absolute; right:16px; bottom:10px; font-size:44px; font-weight:700; line-height:1; color:var(--light); pointer-events:none }
@media (max-width:768px) {
    .cm8-flow { padding-left:0 }
    .cm8-flow::before { left:22px }
    .cm8-flow .cm1-item { padding:0 0 22px 58px }
    .cm8-flow .cm1-head { width:46px; gap:4px }
    .cm8-flow .cm1-av { width:36px; height:36px; border-width:2px }
    .cm8-flow .cm1-name { font-size:10px }
    .cm8-flow .cm1-date { font-size:10px }
    .cm8-flow .cm1-text { padding:12px 14px; font-size:13px; line-height:1.75 }
    .cm8-flow .cm1-initial { font-size:30px; right:12px; bottom:8px }
}
.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; }
}