/* ===== base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #1a3d35;
    --secondary: #24564a;
    --accent: #00d2a0;
    --gold: #ffe066;
    --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); }

.nv4-bar { position: sticky; top: 0; z-index: 950; background: #fff; box-shadow: 0 3px 18px rgba(0,0,0,0.09); }
.nv4-bar::before { content: ''; display: block; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); }
.nv4-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 70px; }
.nv4-menu { display: flex; align-items: center; flex-wrap: wrap; list-style: none; }
.nv4-menu a { display: block; position: relative; padding: 12px 14px; font-size: 13px; letter-spacing: 1px; color: #4a4a4a; text-decoration: none; }
.nv4-menu a::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: 5px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left center; transition: transform 0.25s ease; }
.nv4-menu a:hover { color: var(--primary); }
.nv4-menu a:hover::after { transform: scaleX(1); }
.nv4-logo { display: flex; align-items: center; gap: 8px; color: var(--primary); text-decoration: none; white-space: nowrap; }
.nv4-ico { font-size: 24px; line-height: 1; }
.nv4-kw { font-size: 22px; font-weight: 800; letter-spacing: 2px; }
.nv4-kw em { font-style: normal; color: var(--accent); }
.nv4-brand { font-size: 12px; font-weight: 500; color: var(--gray); padding-left: 9px; border-left: 1px solid rgba(0,0,0,0.14); }
@media (max-width:768px) {
    .nv4-inner { flex-direction: column; gap: 6px; padding: 10px 0; }
    .nv4-logo { order: -1; }
    .nv4-ico { font-size: 21px; }
    .nv4-kw { font-size: 19px; letter-spacing: 1px; }
    .nv4-brand { font-size: 11px; }
    .nv4-menu { justify-content: center; }
    .nv4-menu a { padding: 7px 9px; font-size: 12px; }
    .nv4-menu a::after { left: 9px; right: 9px; bottom: 2px; }
}
.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;
    }
}
.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; }
}
.wk5-rail { position:relative }
.wk5-scroller { display:flex; gap:20px; overflow-x:auto; overflow-y:hidden; padding:4px 4px 18px; scroll-snap-type:x mandatory; -webkit-overflow-scrolling:touch }
.wk5-scroller::-webkit-scrollbar { height:8px }
.wk5-scroller::-webkit-scrollbar-track { border-radius:999px; background:var(--light) }
.wk5-scroller::-webkit-scrollbar-thumb { border-radius:999px; background:var(--accent) }
.wk5-scroller .wk1-item { flex:0 0 320px; max-width:320px; scroll-snap-align:start; display:flex; flex-direction:column; background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); transition:transform .3s ease }
.wk5-scroller .wk1-item:hover { transform:translateY(-6px) }
.wk5-scroller .wk1-thumb { position:relative; aspect-ratio:16/9; overflow:hidden; background:var(--light) }
.wk5-scroller .wk1-thumb img { display:block; width:100%; height:100%; object-fit:cover; transition:transform .5s ease }
.wk5-scroller .wk1-item:hover .wk1-thumb img { transform:scale(1.07) }
.wk5-scroller .wk1-badge { position:absolute; top:10px; left:10px; padding:4px 10px; border-radius:999px; background:var(--accent); color:#fff; font-size:12px }
.wk5-scroller .wk1-idx { position:absolute; right:10px; bottom:10px; color:#fff; font-size:20px; font-weight:700; line-height:1; opacity:.75 }
.wk5-scroller .wk1-info { display:flex; flex-direction:column; flex:1; padding:16px }
.wk5-scroller .wk1-head { display:flex; align-items:flex-start; justify-content:space-between; gap:10px }
.wk5-scroller .wk1-title { margin:0; font-size:17px; line-height:1.42; color:var(--primary) }
.wk5-scroller .wk1-tag { flex:none; padding:2px 9px; border-radius:999px; background:var(--light); color:var(--secondary); font-size:12px }
.wk5-scroller .wk1-meta { margin-top:8px; font-size:13px; color:var(--gray) }
.wk5-scroller .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) }
.wk5-scroller .wk1-btn { align-self:flex-start; margin-top:auto; padding:8px 18px; border:none; border-radius:999px; background:var(--secondary); color:#fff; font-size:13px; cursor:pointer; transition:background .25s ease }
.wk5-scroller .wk1-btn:hover { background:var(--accent) }
@media (max-width:768px) {
    .wk5-scroller { gap:14px; padding:4px 4px 14px }
    .wk5-scroller .wk1-item { flex:0 0 78%; max-width:78% }
    .wk5-scroller .wk1-title { font-size:15px }
    .wk5-scroller .wk1-desc { -webkit-line-clamp:2; margin:8px 0 10px }
    .wk5-scroller::-webkit-scrollbar { height:6px }
}
.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 }
}
.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; }
}
.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 }
}
.ft4-foot { background: var(--primary); color: rgba(255,255,255,0.68); }
.ft4-top { display: grid; grid-template-columns: 1.6fr 1fr 1.1fr; gap: 34px; padding: 46px 20px 34px; }
.ft4-logo { display: inline-flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; }
.ft4-ico { font-size: 20px; line-height: 1; }
.ft4-kw { font-size: 19px; font-weight: 800; letter-spacing: 1px; }
.ft4-kw em { font-style: normal; color: var(--gold); }
.ft4-brand { font-size: 11px; color: rgba(255,255,255,0.44); padding-left: 8px; border-left: 1px solid rgba(255,255,255,0.2); white-space: nowrap; }
.ft4-line { margin-top: 15px; font-size: 13px; line-height: 1.95; color: rgba(255,255,255,0.6); }
.ft4-h { margin-bottom: 15px; font-size: 14px; font-weight: 700; color: #fff; letter-spacing: 1px; }
.ft4-menu { list-style: none; }
.ft4-menu li { margin-bottom: 9px; }
.ft4-menu a { font-size: 13px; color: rgba(255,255,255,0.66); text-decoration: none; }
.ft4-menu a:hover { color: var(--gold); }
.ft4-tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.ft4-tags li { padding: 4px 12px; font-size: 12px; color: #fff; border: 1px solid rgba(255,255,255,0.26); border-radius: 999px; }
.ft4-bar { background: rgba(0,0,0,0.26); }
.ft4-barin { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 20px; font-size: 12px; color: rgba(255,255,255,0.56); }
.ft4-copy b { font-weight: 600; color: var(--gold); letter-spacing: 1px; }
@media (max-width:768px) {
    .ft4-top { grid-template-columns: 1fr; gap: 26px; padding: 30px 20px 24px; }
    .ft4-ico { font-size: 18px; }
    .ft4-kw { font-size: 17px; }
    .ft4-brand { font-size: 10px; }
    .ft4-line { margin-top: 11px; font-size: 12px; }
    .ft4-h { margin-bottom: 11px; font-size: 13px; }
    .ft4-menu li { margin-bottom: 8px; }
    .ft4-menu a { font-size: 12px; }
    .ft4-tags li { padding: 3px 10px; font-size: 11px; }
    .ft4-barin { flex-direction: column; gap: 6px; text-align: center; padding: 12px 20px; }
    .ft4-copy { font-size: 11px; }
}


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