/* ===== base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #0d0b14;
    --secondary: #17131f;
    --accent: #ff6b00;
    --gold: #ffe600;
    --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); }

.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; }
}
.hr1-hero {
    position: relative;
    display: flex;
    align-items: flex-end;
    min-height: 640px;
    padding: 130px 0 84px;
    background: var(--primary);
    overflow: hidden;
}
.hr1-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.hr1-veil {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.16) 0%, rgba(0,0,0,0.55) 46%, rgba(0,0,0,0.9) 100%);
}
.hr1-inner {
    position: relative;
    z-index: 2;
    color: #fff;
}
.hr1-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    margin-bottom: 22px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 999px;
    background: rgba(255,255,255,0.12);
    color: var(--gold);
    font-size: 14px;
    letter-spacing: 1px;
}
.hr1-ico {
    font-size: 16px;
    line-height: 1;
}
.hr1-title {
    max-width: 780px;
    margin-bottom: 20px;
    font-size: 56px;
    font-weight: 800;
    line-height: 1.14;
    letter-spacing: 1px;
}
.hr1-title span {
    margin: 0 12px;
    color: var(--gold);
}
.hr1-desc {
    max-width: 620px;
    margin-bottom: 34px;
    color: rgba(255,255,255,0.86);
    font-size: 17px;
    line-height: 1.85;
}
.hr1-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 40px;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 12px 30px rgba(0,0,0,0.38);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hr1-btn::after {
    content: '→';
    font-size: 18px;
    line-height: 1;
}
.hr1-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(0,0,0,0.5);
    color: #fff;
}
@media (max-width: 768px) {
    .hr1-hero {
        min-height: 460px;
        padding: 80px 0 46px;
    }
    .hr1-kicker {
        padding: 5px 12px;
        margin-bottom: 14px;
        font-size: 12px;
    }
    .hr1-title {
        margin-bottom: 14px;
        font-size: 30px;
    }
    .hr1-title span {
        margin: 0 6px;
    }
    .hr1-desc {
        margin-bottom: 22px;
        font-size: 15px;
        line-height: 1.7;
    }
    .hr1-btn {
        padding: 12px 26px;
        font-size: 15px;
    }
}
.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; }
}
.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 }
}
.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}
}
.nw8-tags { border-top:1px solid #e8ecf2 }
.nw8-tags .nw1-item { display:flex; align-items:center; gap:16px; padding:16px 6px; border-bottom:1px solid #e8ecf2; text-decoration:none; transition:padding .25s ease, background .25s ease, border-color .25s ease }
.nw8-tags .nw1-item::before { content:"动态"; order:1; flex:none; width:58px; padding:3px 0; border:1px solid var(--accent); border-radius:6px; text-align:center; font-size:12px; line-height:1.6; font-weight:600; color:var(--accent); transition:background .25s ease, color .25s ease, border-color .25s ease }
.nw8-tags .nw1-item:nth-child(3n+2)::before { content:"榜单"; border-color:var(--primary); color:var(--primary) }
.nw8-tags .nw1-item:nth-child(3n)::before { content:"合作"; border-color:var(--gold); color:var(--gold) }
.nw8-tags .nw1-title { order:2; flex:1; min-width:0; font-size:16px; line-height:1.5; font-weight:600; color:var(--primary); transition:color .25s ease }
.nw8-tags .nw1-date { order:3; flex:none; font-size:12px; letter-spacing:.5px; color:var(--gray); transition:color .25s ease }
.nw8-tags .nw1-idx { order:4; flex:none; min-width:20px; text-align:right; font-size:12px; line-height:1.6; color:#c9d2dd; transition:color .25s ease }
.nw8-tags .nw1-item:hover { padding-left:14px; background:#f7f9fc; border-bottom-color:var(--accent) }
.nw8-tags .nw1-item:hover::before { background:var(--accent); border-color:var(--accent); color:#fff }
.nw8-tags .nw1-item:hover .nw1-title { color:var(--accent) }
.nw8-tags .nw1-item:hover .nw1-date { color:var(--primary) }
.nw8-tags .nw1-item:hover .nw1-idx { color:var(--accent) }
@media (max-width:768px) {
    .nw8-tags .nw1-item { flex-wrap:wrap; gap:6px 10px; padding:13px 4px }
    .nw8-tags .nw1-item::before { width:52px; padding:2px 0; font-size:11px }
    .nw8-tags .nw1-title { order:4; flex:1 1 100%; font-size:14px; line-height:1.55 }
    .nw8-tags .nw1-date { order:2; margin-left:auto; font-size:11px }
    .nw8-tags .nw1-idx { order:3; font-size:11px }
    .nw8-tags .nw1-item:hover { padding-left:8px }
}
.faq7-flow { max-width: 960px; margin: 0 auto; }
.faq7-flow .fq1-item { position: relative; padding: 24px 0 24px 104px; border-top: 1px solid rgba(0, 0, 0, .1); }
.faq7-flow .fq1-item:last-child { border-bottom: 1px solid rgba(0, 0, 0, .1); }
.faq7-flow .fq1-no { position: absolute; top: 22px; left: 0; display: block; font-size: 40px; line-height: 1; font-weight: 800; letter-spacing: -.02em; color: rgba(0, 0, 0, .12); transition: color .3s ease; }
.faq7-flow .fq1-item.open .fq1-no { color: var(--accent); }
.faq7-flow .fq1-q { position: relative; padding-right: 34px; font-size: 17px; line-height: 1.6; font-weight: 700; color: var(--primary); cursor: pointer; transition: color .3s ease; }
.faq7-flow .fq1-item.open .fq1-q { color: var(--accent); }
.faq7-flow .fq1-q::after { content: "+"; position: absolute; top: -2px; right: 0; color: var(--gray); font-size: 22px; line-height: 1.3; transition: transform .3s ease, color .3s ease; }
.faq7-flow .fq1-item.open .fq1-q::after { color: var(--accent); transform: rotate(45deg); }
.faq7-flow .fq1-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq7-flow .fq1-item.open .fq1-a { max-height: 440px; }
.faq7-flow .fq1-a-in { margin: 14px 34px 2px 0; padding: 16px 20px; border-radius: var(--radius); background: var(--light); font-size: 14px; line-height: 1.9; color: var(--gray); }
@media (max-width: 768px) {
    .faq7-flow .fq1-item { padding: 18px 0 18px 62px; }
    .faq7-flow .fq1-no { top: 16px; font-size: 28px; }
    .faq7-flow .fq1-q { padding-right: 26px; font-size: 15px; }
    .faq7-flow .fq1-q::after { font-size: 20px; }
    .faq7-flow .fq1-item.open .fq1-a { max-height: 620px; }
    .faq7-flow .fq1-a-in { margin: 10px 26px 2px 0; padding: 12px 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 }
}
.ft5-foot { background: var(--light); border-top: 1px solid rgba(0,0,0,0.1); padding: 32px 0; }
.ft5-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: center; gap: 20px; }
.ft5-left { display: flex; align-items: center; justify-content: flex-start; }
.ft5-logo { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); text-decoration: none; }
.ft5-ico { font-size: 19px; line-height: 1; }
.ft5-kw { font-size: 18px; font-weight: 800; letter-spacing: 1px; white-space: nowrap; }
.ft5-kw em { font-style: normal; color: var(--accent); }
.ft5-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; }
.ft5-nav { display: flex; justify-content: center; }
.ft5-menu { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 20px; list-style: none; }
.ft5-menu a { font-size: 13px; color: #5b6470; text-decoration: none; }
.ft5-menu a:hover { color: var(--primary); }
.ft5-right { text-align: right; }
.ft5-line { font-size: 12px; line-height: 1.8; color: #6b7280; }
.ft5-dom { display: block; margin-top: 4px; font-size: 12px; font-weight: 700; letter-spacing: 1px; color: var(--primary); }
@media (max-width:768px) {
    .ft5-foot { padding: 24px 0; }
    .ft5-grid { grid-template-columns: 1fr; gap: 14px; }
    .ft5-left { justify-content: center; }
    .ft5-ico { font-size: 17px; }
    .ft5-kw { font-size: 16px; }
    .ft5-brand { font-size: 10px; }
    .ft5-menu { gap: 6px 14px; }
    .ft5-menu a { font-size: 12px; }
    .ft5-right { text-align: center; }
    .ft5-line { font-size: 11px; }
    .ft5-dom { font-size: 11px; }
}


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