/* ===== base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #1e2a2e;
    --secondary: #2c3f45;
    --accent: #3a9d8f;
    --gold: #f4e285;
    --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); }

.nv9-bar { position: relative; z-index: 900; display: flex; align-items: stretch; flex-wrap: wrap; }
.nv9-logo { display: flex; align-items: center; gap: 9px; padding: 18px 30px; background: var(--primary); color: #fff; text-decoration: none; white-space: nowrap; flex-shrink: 0; }
.nv9-ico { font-size: 23px; line-height: 1; }
.nv9-kw { font-size: 21px; font-weight: 800; letter-spacing: 1px; }
.nv9-kw em { font-style: normal; color: var(--gold); }
.nv9-brand { font-size: 11px; color: rgba(255,255,255,0.62); padding-left: 10px; border-left: 1px solid rgba(255,255,255,0.3); }
.nv9-block { flex: 1; display: flex; align-items: center; justify-content: flex-end; background: var(--secondary); min-width: 0; }
.nv9-menu { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; list-style: none; }
.nv9-menu a { display: block; padding: 18px 20px; font-size: 14px; color: rgba(255,255,255,0.9); text-decoration: none; }
.nv9-menu a:hover { background: rgba(255,255,255,0.18); color: #fff; }
@media (max-width:768px) {
    .nv9-bar { flex-direction: column; }
    .nv9-logo { justify-content: center; padding: 12px 16px; }
    .nv9-ico { font-size: 20px; }
    .nv9-kw { font-size: 18px; }
    .nv9-brand { font-size: 10px; padding-left: 8px; }
    .nv9-block { justify-content: center; }
    .nv9-menu { justify-content: center; }
    .nv9-menu a { padding: 10px 12px; font-size: 13px; }
}
.hr4-hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 560px;
    padding: 96px 0 130px;
    background: linear-gradient(135deg, var(--primary) 0%, #0e1520 52%, var(--secondary) 100%);
    color: #fff;
    text-align: center;
    overflow: hidden;
}
.hr4-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(circle at 50% 36%, #000 0%, transparent 76%);
    mask-image: radial-gradient(circle at 50% 36%, #000 0%, transparent 76%);
}
.hr4-glow {
    position: absolute;
    top: -190px;
    left: 50%;
    width: 620px;
    height: 620px;
    transform: translateX(-50%);
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent) 0%, transparent 66%);
    opacity: 0.32;
}
.hr4-band {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 300px;
    object-fit: cover;
    opacity: 0.4;
    -webkit-mask-image: linear-gradient(to top, #000 0%, rgba(0,0,0,0.2) 62%, transparent 100%);
    mask-image: linear-gradient(to top, #000 0%, rgba(0,0,0,0.2) 62%, transparent 100%);
}
.hr4-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 780px;
    margin: 0 auto;
    padding: 0 20px;
}
.hr4-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 20px;
    margin-bottom: 26px;
    border: 1px solid rgba(255,255,255,0.28);
    border-radius: 999px;
    color: var(--gold);
    font-size: 14px;
    letter-spacing: 2px;
}
.hr4-title {
    margin-bottom: 10px;
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: 6px;
}
.hr4-sub {
    margin-bottom: 22px;
    color: var(--gold);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 8px;
}
.hr4-desc {
    max-width: 640px;
    margin: 0 auto 34px;
    color: rgba(255,255,255,0.82);
    font-size: 16px;
    line-height: 1.9;
}
.hr4-btn {
    display: inline-block;
    padding: 14px 42px;
    border: 2px solid rgba(255,255,255,0.7);
    border-radius: 999px;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 2px;
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}
.hr4-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    transform: translateY(-3px);
}
@media (max-width: 768px) {
    .hr4-hero {
        min-height: 440px;
        padding: 60px 0 92px;
    }
    .hr4-chip {
        padding: 5px 14px;
        margin-bottom: 16px;
        font-size: 12px;
        letter-spacing: 1px;
    }
    .hr4-title {
        font-size: 32px;
        letter-spacing: 2px;
    }
    .hr4-sub {
        margin-bottom: 14px;
        font-size: 14px;
        letter-spacing: 4px;
    }
    .hr4-desc {
        margin-bottom: 22px;
        font-size: 14px;
        line-height: 1.72;
    }
    .hr4-band {
        height: 180px;
    }
    .hr4-btn {
        padding: 11px 26px;
        font-size: 14px;
    }
}
.it1-wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.it1-text .sec-sub { color: #666; margin-bottom: 22px; }
.it1-text p { color: #555; line-height: 1.9; font-size: 15px; margin-bottom: 14px; }
.it1-text p:last-child { margin-bottom: 0; }
.it1-text p strong { color: var(--primary); }
.it1-stats { display: flex; flex-direction: column; gap: 16px; }
.it1-stat { display: flex; align-items: baseline; gap: 14px; padding: 20px 22px; background: var(--light); border-left: 4px solid var(--accent); border-radius: var(--radius); }
.it1-num { font-size: 34px; line-height: 1; font-weight: 800; color: var(--primary); }
.it1-lbl { font-size: 14px; color: #666; }
@media (max-width: 768px) {
    .it1-wrap { grid-template-columns: 1fr; gap: 28px; }
    .it1-stats { flex-direction: column; gap: 12px; }
    .it1-stat { padding: 16px 18px; }
    .it1-num { font-size: 26px; }
}
.wk8-table {
    background: #fff;
    border: 1px solid #e8ecf2;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.wk8-head {
    display: grid;
    grid-template-columns: 78px minmax(0, 1fr) 168px 128px 132px;
    align-items: center;
    gap: 16px;
    height: 48px;
    padding: 0 20px;
    background: var(--primary);
}
.wk8-th {
    color: rgba(255,255,255,0.86);
    font-size: 13px;
    letter-spacing: 2px;
}
.wk8-table .wk1-item {
    display: grid;
    grid-template-columns: 78px minmax(0, 1fr) 168px 128px 132px;
    align-items: center;
    gap: 16px;
    min-height: 78px;
    padding: 0 20px;
    border-bottom: 1px solid #eef1f6;
    transition: background 0.25s ease;
}
.wk8-table .wk1-item:nth-child(even) {
    background: #fafbfd;
}
.wk8-table .wk1-item:last-child {
    border-bottom: none;
}
.wk8-table .wk1-item:hover {
    background: var(--light);
}
.wk8-table .wk1-thumb {
    grid-column: 1;
    grid-row: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    min-width: 0;
}
.wk8-table .wk1-thumb img {
    display: none;
}
.wk8-table .wk1-idx {
    color: var(--accent);
    font-size: 19px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 1px;
}
.wk8-table .wk1-badge {
    padding: 1px 9px;
    border-radius: 999px;
    background: var(--light);
    color: var(--secondary);
    font-size: 11px;
    line-height: 1.7;
    white-space: nowrap;
}
.wk8-table .wk1-item:hover .wk1-badge {
    background: #fff;
}
.wk8-table .wk1-info {
    display: contents;
}
.wk8-table .wk1-head {
    display: contents;
}
.wk8-table .wk1-title {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
    margin: 0;
    color: var(--primary);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.45;
}
.wk8-table .wk1-item:hover .wk1-title {
    color: var(--accent);
}
.wk8-table .wk1-meta {
    grid-column: 3;
    grid-row: 1;
    color: var(--gray);
    font-size: 13px;
}
.wk8-table .wk1-tag {
    grid-column: 4;
    grid-row: 1;
    justify-self: start;
    padding: 3px 12px;
    border-radius: 999px;
    border: 1px solid var(--secondary);
    color: var(--secondary);
    font-size: 12px;
    white-space: nowrap;
}
.wk8-table .wk1-btn {
    grid-column: 5;
    grid-row: 1;
    justify-self: start;
    padding: 7px 20px;
    border: 1px solid var(--accent);
    border-radius: 999px;
    background: transparent;
    color: var(--accent);
    font-size: 13px;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease;
}
.wk8-table .wk1-btn:hover {
    background: var(--accent);
    color: #fff;
}
.wk8-table .wk1-desc {
    display: none;
}
@media (max-width: 768px) {
    .wk8-head {
        display: none;
    }
    .wk8-table .wk1-item {
        grid-template-columns: 54px minmax(0, 1fr);
        gap: 6px 14px;
        min-height: 0;
        padding: 14px 16px;
    }
    .wk8-table .wk1-thumb {
        grid-column: 1;
        grid-row: 1 / span 5;
        justify-content: flex-start;
    }
    .wk8-table .wk1-title {
        grid-column: 2;
        grid-row: 1;
        font-size: 15px;
    }
    .wk8-table .wk1-meta {
        grid-column: 2;
        grid-row: 2;
        font-size: 12px;
    }
    .wk8-table .wk1-tag {
        grid-column: 2;
        grid-row: 3;
        justify-self: start;
        padding: 2px 10px;
        font-size: 11px;
    }
    .wk8-table .wk1-desc {
        display: -webkit-box;
        grid-column: 2;
        grid-row: 4;
        margin: 0;
        overflow: hidden;
        color: var(--gray);
        font-size: 12px;
        line-height: 1.65;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }
    .wk8-table .wk1-btn {
        grid-column: 2;
        grid-row: 5;
        justify-self: start;
        padding: 6px 15px;
        font-size: 12px;
    }
}
.ad2-nums{counter-reset:ad2no;display:grid;grid-template-columns:repeat(2,1fr);column-gap:46px}
.ad2-nums > .ad1-item{counter-increment:ad2no;position:relative;display:grid;grid-template-columns:auto 1fr;column-gap:20px;row-gap:8px;padding:26px 0;border-top:1px solid #e6eaf0;background:none;border-radius:0;box-shadow:none}
.ad2-nums > .ad1-item:nth-child(1),
.ad2-nums > .ad1-item:nth-child(2){border-top:0}
.ad2-nums .ad1-toggle{display:none}
.ad2-nums .ad1-icon{display:none}
.ad2-nums .ad1-num{grid-column:1;grid-row:1 / span 2;align-self:start;font-size:0;line-height:1;color:var(--accent);font-weight:800}
.ad2-nums .ad1-num::before{content:counter(ad2no,decimal-leading-zero);font-size:54px;line-height:1}
.ad2-nums .ad1-label{display:inline}
.ad2-nums .ad1-title{grid-column:2;grid-row:1;font-size:18px;font-weight:700;color:var(--primary);margin:0;line-height:1.4}
.ad2-nums .ad1-desc{grid-column:2;grid-row:2;font-size:14px;line-height:1.8;color:#666;margin:0}
@media (max-width:768px){
  .ad2-nums{grid-template-columns:1fr;column-gap:0}
  .ad2-nums > .ad1-item{padding:20px 0;column-gap:14px}
  .ad2-nums > .ad1-item:nth-child(2){border-top:1px solid #e6eaf0}
  .ad2-nums .ad1-num::before{font-size:36px}
  .ad2-nums .ad1-title{font-size:16px}
  .ad2-nums .ad1-desc{font-size:13px}
}
.nw3-cards { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px }
.nw3-cards .nw1-item { position:relative; display:flex; flex-direction:column; min-height:190px; overflow:hidden; padding:46px 24px 24px; border:1px solid #e8ecf2; border-top:3px solid var(--primary); 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 }
.nw3-cards .nw1-item:hover { transform:translateY(-6px); border-top-color:var(--accent); box-shadow:0 18px 36px rgba(15,23,42,.16) }
.nw3-cards .nw1-date { position:absolute; top:0; right:0; padding:6px 14px; border-bottom-left-radius:var(--radius); background:var(--primary); color:#fff; font-size:12px; letter-spacing:.5px; transition:background .3s ease }
.nw3-cards .nw1-item:hover .nw1-date { background:var(--accent) }
.nw3-cards .nw1-title { font-size:21px; line-height:1.45; font-weight:700; color:var(--primary); transition:color .3s ease }
.nw3-cards .nw1-item:hover .nw1-title { color:var(--accent) }
.nw3-cards .nw1-idx { margin-top:auto; padding-top:20px; font-size:46px; font-weight:800; line-height:1; color:#eef1f6; letter-spacing:-1px }
@media (max-width:768px) {
    .nw3-cards { grid-template-columns:minmax(0,1fr); gap:14px }
    .nw3-cards .nw1-item { min-height:0; padding:38px 18px 18px }
    .nw3-cards .nw1-date { padding:5px 11px; font-size:11px }
    .nw3-cards .nw1-title { font-size:17px }
    .nw3-cards .nw1-idx { padding-top:14px; font-size:34px }
}
.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 }
}
.ft3-foot { background: var(--light); border-top: 1px solid rgba(0,0,0,0.08); padding: 46px 0 30px; text-align: center; }
.ft3-logo { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); text-decoration: none; }
.ft3-ico { font-size: 21px; line-height: 1; }
.ft3-kw { font-size: 19px; font-weight: 800; letter-spacing: 2px; }
.ft3-kw em { font-style: normal; color: var(--accent); }
.ft3-brand { font-size: 11px; font-weight: 500; color: var(--gray); padding-left: 8px; border-left: 1px solid rgba(0,0,0,0.14); }
.ft3-line { max-width: 560px; margin: 15px auto 0; font-size: 13px; line-height: 1.95; color: #6b6b6b; }
.ft3-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; list-style: none; }
.ft3-tags li { padding: 4px 13px; font-size: 12px; color: var(--primary); background: rgba(0,0,0,0.05); border-radius: 999px; }
.ft3-rule { width: 54px; height: 2px; margin: 22px auto 16px; background: var(--accent); }
.ft3-copy { font-size: 12px; color: var(--gray); }
.ft3-copy b { font-weight: 600; color: var(--primary); letter-spacing: 1px; }
@media (max-width:768px) {
    .ft3-foot { padding: 32px 0 22px; }
    .ft3-ico { font-size: 18px; }
    .ft3-kw { font-size: 16px; letter-spacing: 1px; }
    .ft3-brand { font-size: 10px; }
    .ft3-line { margin-top: 11px; font-size: 12px; }
    .ft3-tags { margin-top: 13px; gap: 6px; }
    .ft3-tags li { padding: 3px 10px; font-size: 11px; }
    .ft3-rule { margin: 16px auto 12px; }
    .ft3-copy { font-size: 11px; }
}


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