/* ==========================================================================
   /games 解压小游戏聚合页 —— 版式 v3（游戏墙：马赛克大图块）
   结构：面包屑 → Hero → 游戏墙（4 列马赛克，一笔画 2×2 大块 / 成语接龙竖块）
        → 休闲小游戏 → 为什么 → FAQ → CTA → 顺手逛逛
   前缀统一 .gp- ：不与 hot-tools.css / games-hub.css 冲突
   页面级颜色走全站 token（--c-*），图块自身是深色底（两套主题都成立）
   ========================================================================== */

.gp {
    --gp-card: var(--c-bg-card, #fff);
    --gp-soft: var(--c-bg-soft, #f7f9fc);
    --gp-line: var(--c-border, #eef1f6);
    --gp-ink: var(--c-text, #1a1f36);
    --gp-ink-2: var(--c-text-sub, #5b6478);
    --gp-ink-3: var(--c-text-muted, #8a93a8);
    --gp-brand: #6366f1;
    padding-bottom: 96px;
    color: var(--gp-ink);
}

/* ===== 面包屑 ===== */
.gp-crumb-wrap { padding: 18px 0 6px; }

.gp-crumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12.8px;
    color: var(--gp-ink-3);
}

.gp-crumb a { color: var(--gp-ink-3); transition: color .18s ease; }
.gp-crumb a:hover { color: var(--gp-brand); }
.gp-crumb .sep { opacity: .55; }
.gp-crumb .current { color: var(--gp-ink-2); font-weight: 600; }

/* ===== Hero ===== */
.gp-hero { padding: 10px 0 0; }

.gp-hero-card {
    position: relative;
    overflow: hidden;
    padding: 42px 40px 0;
    border: 1px solid var(--gp-line);
    border-radius: 28px;
    background:
        radial-gradient(620px 260px at 6% -14%, color-mix(in srgb, var(--gp-brand) 15%, transparent), transparent 62%),
        radial-gradient(520px 240px at 98% 2%, color-mix(in srgb, #b3451f 11%, transparent), transparent 60%),
        var(--gp-card);
    text-align: center;
}

/* 细网格底纹，只在上半部淡出 */
.gp-hero-card::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: .5;
    background-image:
        linear-gradient(to right, color-mix(in srgb, var(--gp-ink) 8%, transparent) 1px, transparent 1px),
        linear-gradient(to bottom, color-mix(in srgb, var(--gp-ink) 8%, transparent) 1px, transparent 1px);
    background-size: 46px 46px;
    -webkit-mask-image: radial-gradient(72% 62% at 50% 0%, #000, transparent 78%);
    mask-image: radial-gradient(72% 62% at 50% 0%, #000, transparent 78%);
}

.gp-hero-card > * { position: relative; z-index: 1; }

.gp-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 15px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--gp-brand);
    background: color-mix(in srgb, var(--gp-brand) 11%, transparent);
    border: 1px solid color-mix(in srgb, var(--gp-brand) 26%, transparent);
}

.gp-hero h1 {
    margin: 18px 0 0;
    font-size: clamp(30px, 4.6vw, 46px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -.02em;
}

.gp-lead {
    max-width: 720px;
    margin: 16px auto 0;
    font-size: 15px;
    line-height: 1.95;
    color: var(--gp-ink-2);
}

.gp-lead b { color: var(--gp-ink); font-weight: 700; }

/* 按钮 */
.gp-hero-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.gp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    height: 46px;
    padding: 0 24px;
    border: 1px solid var(--gp-line);
    border-radius: 999px;
    background: var(--gp-card);
    color: var(--gp-ink);
    font-size: 14.5px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
}

.gp-btn:hover { transform: translateY(-1px); }

.gp-btn--primary {
    border-color: transparent;
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: #fff;
    box-shadow: 0 10px 26px rgba(99, 102, 241, .28);
}

.gp-btn--primary:hover { box-shadow: 0 14px 32px rgba(99, 102, 241, .34); }

.gp-btn--ghost { background: transparent; }
.gp-btn--ghost:hover {
    border-color: color-mix(in srgb, var(--gp-brand) 52%, transparent);
    color: var(--gp-brand);
}

.gp-btn--quiet {
    background: transparent;
    color: var(--gp-ink-2);
}

.gp-btn--quiet:hover { border-color: color-mix(in srgb, var(--gp-ink) 24%, transparent); }

.gp-btn-arrow { transition: transform .2s ease; }
.gp-btn:hover .gp-btn-arrow { transform: translateX(3px); }

/* 数据条 */
.gp-facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin: 30px -40px 0;
    padding: 20px 40px 24px;
    border-top: 1px solid var(--gp-line);
    background: color-mix(in srgb, var(--gp-soft) 65%, transparent);
    list-style: none;
}

.gp-facts li { position: relative; text-align: center; }

.gp-facts li + li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 1px;
    background: var(--gp-line);
}

.gp-facts b {
    display: block;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--gp-ink);
}

.gp-facts span { font-size: 12.5px; color: var(--gp-ink-3); }

/* =========================================================
   游戏墙（马赛克图块 · 浅色卡片 + 彩色棋盘预览）
   ========================================================= */
.gp-games { padding: 46px 0 0; }

.gp-mosaic {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: 228px;
    gap: 16px;
}

.gp-tile {
    --g: #4f46e5;
    --a: #c7c4ff;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--gp-line);
    border-radius: 20px;
    background: var(--gp-card);
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(16, 24, 40, .05);
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

/* 主推的那块占 2×2，成语接龙占竖着的 1×2 */
.gp-tile--one-stroke { grid-column: span 2; grid-row: span 2; }
.gp-tile--idiom-chain { grid-column: span 1; grid-row: span 2; }

/* 每款的主色（与各自游戏页一致） */
.gp-tile--one-stroke { --g: #c2410c; --a: #ffb08a; }
.gp-tile--idiom-chain { --g: #4f46e5; --a: #b9b4ff; }
.gp-tile--minesweeper { --g: #0f766e; --a: #8fe3cc; }
.gp-tile--maze { --g: #0e7490; --a: #85d8ec; }
.gp-tile--pipe { --g: #1d4ed8; --a: #a8c4ff; }
.gp-tile--peg { --g: #9a3412; --a: #ffbd93; }
.gp-tile--lights-quest { --g: #b45309; --a: #ffd58f; }
.gp-tile--queens-puzzle { --g: #6d28d9; --a: #cdbcff; }

.gp-tile:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--g) 30%, var(--gp-line));
    box-shadow: 0 16px 34px color-mix(in srgb, var(--g) 15%, transparent);
}

.gp-tile:focus-visible {
    outline: 2px solid var(--g);
    outline-offset: 3px;
}

/* ===== 插画面板：浅色渐变底 + 细点纹理，SVG 高对比 ===== */
.gp-tile-art {
    position: relative;
    flex: 1 1 auto;
    min-height: 116px;
    display: block;
    overflow: hidden;
    background:
        radial-gradient(130% 110% at 14% -12%, color-mix(in srgb, var(--a) 52%, transparent), transparent 58%),
        linear-gradient(150deg, color-mix(in srgb, var(--g) 8%, #fff), color-mix(in srgb, var(--g) 20%, #fff));
}

.gp-tile-art::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(color-mix(in srgb, var(--g) 15%, transparent) 1px, transparent 1.4px);
    background-size: 18px 18px;
    opacity: .55;
}

.gp-tile-art svg {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    transition: transform .55s cubic-bezier(.22, 1, .36, 1);
}

.gp-tile:hover .gp-tile-art svg { transform: scale(1.05); }

/* ===== 角标 / 跳转钮：浮在插画面板上 ===== */
.gp-tile-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11.2px;
    font-weight: 700;
    color: var(--g);
    background: rgba(255, 255, 255, .84);
    border: 1px solid color-mix(in srgb, var(--g) 24%, transparent);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--g) 10%, transparent);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}

.gp-tile-go {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 13px;
    color: var(--g);
    background: rgba(255, 255, 255, .92);
    border: 1px solid color-mix(in srgb, var(--g) 18%, transparent);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--g) 12%, transparent);
    transition: transform .3s ease, background .3s ease, color .3s ease;
}

.gp-tile:hover .gp-tile-go {
    transform: translateX(3px);
    background: var(--g);
    color: #fff;
}

/* ===== 文字区：白底，不再压在画上 ===== */
.gp-tile-body {
    position: relative;
    z-index: 1;
    flex: none;
    display: flex;
    flex-direction: column;
    padding: 13px 16px 15px;
    background: var(--gp-card);
}

.gp-tile-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 17.5px;
    font-weight: 800;
    letter-spacing: -.01em;
    color: var(--gp-ink);
}

.gp-tile-name::before {
    content: '';
    flex: none;
    width: 8px;
    height: 8px;
    border-radius: 3px;
    background: var(--g);
}

.gp-tile--one-stroke .gp-tile-name { font-size: 26px; }

.gp-tile-sub {
    margin-top: 3px;
    font-size: 11.8px;
    font-weight: 700;
    letter-spacing: .03em;
    color: color-mix(in srgb, var(--g) 62%, var(--gp-ink-3));
}

.gp-tile-desc {
    margin-top: 5px;
    display: -webkit-box;
    overflow: hidden;
    font-size: 12.4px;
    line-height: 1.6;
    color: var(--gp-ink-2);
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.gp-tile--one-stroke .gp-tile-desc {
    max-width: 56ch;
    margin-top: 6px;
    font-size: 13.2px;
}

/* ===== 图块插画的公共画法（浅色面板 · 高对比） ===== */
/* 一笔画 */
.t-edge line { stroke: color-mix(in srgb, var(--g) 26%, #fff); stroke-width: 5; stroke-linecap: round; }
.t-ink line { stroke: var(--g); stroke-width: 7; stroke-linecap: round; filter: drop-shadow(0 2px 5px color-mix(in srgb, var(--g) 35%, transparent)); }
.t-node circle { fill: #fff; stroke: var(--g); stroke-width: 3.4; filter: drop-shadow(0 3px 6px color-mix(in srgb, var(--g) 22%, transparent)); }
.t-dot { fill: #fff; stroke: var(--g); stroke-width: 3; }
.t-pulse { fill: none; stroke: var(--g); stroke-width: 2.6; transform-box: fill-box; transform-origin: center; animation: tPulse 2.4s ease-out infinite; }

/* 成语接龙 */
.t-card rect { fill: #fff; stroke: color-mix(in srgb, var(--g) 26%, #fff); stroke-width: 1.8; filter: drop-shadow(0 5px 12px color-mix(in srgb, var(--g) 14%, transparent)); }
.t-slot { fill: color-mix(in srgb, var(--g) 6%, #fff); stroke: color-mix(in srgb, var(--g) 42%, #fff); stroke-width: 2; stroke-dasharray: 7 7; }
.t-char text { fill: var(--g); font-size: 19px; font-weight: 800; text-anchor: middle; dominant-baseline: middle; }
.t-char text.t-q { font-size: 22px; opacity: .55; }
.t-chip-out rect { fill: var(--g); }
.t-chip-out text { fill: #fff; font-size: 19px; font-weight: 800; text-anchor: middle; dominant-baseline: middle; }
.t-chip-in rect { fill: color-mix(in srgb, var(--g) 14%, #fff); stroke: color-mix(in srgb, var(--g) 30%, #fff); stroke-width: 1.4; }
.t-chip-in text { fill: var(--g); font-size: 19px; font-weight: 800; text-anchor: middle; dominant-baseline: middle; }
.t-badge circle { fill: var(--g); stroke: #fff; stroke-width: 3; filter: drop-shadow(0 3px 8px color-mix(in srgb, var(--g) 35%, transparent)); }
.t-badge text { fill: #fff; font-size: 13px; font-weight: 800; text-anchor: middle; dominant-baseline: middle; }
.t-dash path { fill: none; stroke: color-mix(in srgb, var(--g) 40%, #fff); stroke-width: 2.6; stroke-linecap: round; stroke-dasharray: 5 7; }

/* 扫雷 */
.t-cell rect { fill: color-mix(in srgb, var(--g) 16%, #fff); stroke: color-mix(in srgb, var(--g) 32%, #fff); stroke-width: 1.4; }
.t-open rect { fill: #fff; stroke: color-mix(in srgb, var(--g) 16%, #fff); stroke-width: 1.2; }
.t-num text { font-size: 16px; font-weight: 800; text-anchor: middle; dominant-baseline: middle; }
.t-n1 { fill: #2563eb; }
.t-n2 { fill: #16a34a; }
.t-n3 { fill: #dc2626; }
.t-mine circle { fill: #334155; }
.t-mine path { stroke: #334155; stroke-width: 2.4; stroke-linecap: round; }
.t-pole { fill: none; stroke: #64748b; stroke-width: 2.6; stroke-linecap: round; }
.t-cloth { fill: #ef4444; stroke: #ef4444; stroke-width: 2; stroke-linejoin: round; }

/* 迷宫 */
.t-field { fill: #fff; stroke: color-mix(in srgb, var(--g) 26%, #fff); stroke-width: 2; filter: drop-shadow(0 4px 12px color-mix(in srgb, var(--g) 14%, transparent)); }
.t-wall { fill: none; stroke: color-mix(in srgb, var(--g) 55%, #fff); stroke-width: 5; stroke-linecap: round; }
.t-route { fill: none; stroke: var(--g); stroke-width: 3.6; stroke-linecap: round; stroke-dasharray: 9 11; animation: tDash 2.6s linear infinite; }
.t-start { fill: var(--g); }
.t-end { fill: none; stroke: var(--g); stroke-width: 3.6; }

/* 接水管 */
.t-pipe path { fill: none; stroke-width: 15; stroke-linecap: round; stroke-linejoin: round; }
.t-pipe path.t-pipe-a { stroke: var(--g); }
.t-pipe path.t-pipe-b { stroke: #f59e0b; }
.t-pipe path.t-pipe-c { stroke: color-mix(in srgb, var(--g) 16%, #fff); }
.t-joint circle.t-pipe-a { fill: var(--g); stroke: #fff; stroke-width: 3; }
.t-joint circle.t-pipe-b { fill: #f59e0b; stroke: #fff; stroke-width: 3; }
.t-flow path { fill: none; stroke: rgba(255, 255, 255, .95); stroke-width: 4.5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 7 15; animation: tDash 1.6s linear infinite; }

/* 孔明棋 */
.t-hole circle { fill: color-mix(in srgb, var(--g) 10%, #fff); stroke: color-mix(in srgb, var(--g) 24%, #fff); stroke-width: 1.6; }
.t-peg circle { fill: var(--g); stroke: #fff; stroke-width: 2; filter: drop-shadow(0 3px 5px color-mix(in srgb, var(--g) 30%, transparent)); }
.t-hole-on { fill: none; stroke: var(--g); stroke-width: 2.4; stroke-dasharray: 4 4; opacity: .6; }
.t-arc { fill: none; stroke: color-mix(in srgb, var(--g) 55%, #fff); stroke-width: 2.8; stroke-dasharray: 6 8; }

/* 点灯谜阵 */
.t-ray line { stroke: color-mix(in srgb, var(--g) 34%, #fff); stroke-width: 1.6; stroke-dasharray: 3 5; }
.t-lamp circle { fill: #fff; stroke: color-mix(in srgb, var(--g) 28%, #fff); stroke-width: 1.8; }
.t-lit circle { fill: var(--g); stroke: #fff; stroke-width: 2; filter: drop-shadow(0 2px 6px color-mix(in srgb, var(--g) 40%, transparent)); }
.t-glow { fill: var(--a); opacity: .5; }

/* 皇后谜题 */
.t-region rect { fill: color-mix(in srgb, var(--g) 13%, #fff); }
.t-grid rect { fill: none; stroke: color-mix(in srgb, var(--g) 42%, #fff); stroke-width: 2; }
.t-grid path { fill: none; stroke: color-mix(in srgb, var(--g) 22%, #fff); stroke-width: 1.4; }
.t-queen text { fill: var(--g); font-size: 24px; text-anchor: middle; dominant-baseline: middle; filter: drop-shadow(0 2px 4px color-mix(in srgb, var(--g) 28%, transparent)); }

@keyframes tDash { to { stroke-dashoffset: -44; } }

@keyframes tPulse {
    0% { transform: scale(.55); opacity: .65; }
    70% { transform: scale(1.3); opacity: 0; }
    100% { transform: scale(1.3); opacity: 0; }
}

/* ===== 区块标题 ===== */
.gp-head { margin-bottom: 24px; text-align: center; }

.gp-head h2 {
    font-size: clamp(22px, 2.6vw, 28px);
    font-weight: 800;
    letter-spacing: -.02em;
}

.gp-head p {
    max-width: 620px;
    margin: 8px auto 0;
    font-size: 13.6px;
    line-height: 1.8;
    color: var(--gp-ink-3);
}

/* ===== 顺手玩点别的（休闲小游戏） ===== */
.gp-casual { padding: 54px 0 0; }

.gp-casual-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.gp-casual-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid var(--gp-line);
    border-radius: 14px;
    background: var(--gp-card);
    text-decoration: none;
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.gp-casual-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--gp-brand) 42%, transparent);
    box-shadow: 0 8px 22px rgba(99, 102, 241, .1);
}

.gp-casual-ico {
    flex: none;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    font-size: 20px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--gp-brand) 10%, var(--gp-card));
}

.gp-casual-body { flex: 1; min-width: 0; }

.gp-casual-body b {
    display: block;
    font-size: 13.8px;
    font-weight: 700;
    color: var(--gp-ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gp-casual-body small {
    display: block;
    margin-top: 2px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--gp-ink-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gp-casual-go {
    flex: none;
    color: var(--gp-ink-3);
    font-size: 14px;
}

/* ===== 为什么只有这些款 ===== */
.gp-why { padding: 54px 0 0; }

.gp-why-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.gp-note {
    padding: 24px 22px;
    border: 1px solid var(--gp-line);
    border-radius: 18px;
    background: var(--gp-card);
}

.gp-note-ico { font-size: 20px; }

.gp-note h3 {
    margin-top: 12px;
    font-size: 16px;
    font-weight: 700;
}

.gp-note p {
    margin-top: 8px;
    font-size: 13.2px;
    line-height: 1.85;
    color: var(--gp-ink-2);
}

/* ===== 常见问题 ===== */
.gp-faq { padding: 54px 0 0; }

.gp-faq-list {
    display: grid;
    gap: 10px;
    max-width: 860px;
    margin: 0 auto;
}

.gp-faq-item {
    padding: 0 20px;
    border: 1px solid var(--gp-line);
    border-radius: 14px;
    background: var(--gp-card);
}

.gp-faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 0;
    font-size: 14.4px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}

.gp-faq-item summary::-webkit-details-marker { display: none; }

.gp-faq-item summary::after {
    content: '+';
    flex: none;
    font-size: 18px;
    font-weight: 600;
    line-height: 1;
    color: var(--gp-ink-3);
}

.gp-faq-item[open] summary::after { content: '−'; }

.gp-faq-item p {
    margin-bottom: 18px;
    font-size: 13.2px;
    line-height: 1.9;
    color: var(--gp-ink-2);
}

/* ===== 收尾 CTA ===== */
.gp-cta { padding: 54px 0 0; }

.gp-cta-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 22px;
    padding: 30px 34px;
    border-radius: 22px;
    background: linear-gradient(120deg, #4338ca 0%, #4f46e5 48%, #b3451f 148%);
    box-shadow: 0 18px 40px rgba(67, 56, 202, .22);
}

.gp-cta-copy h2 {
    font-size: 21px;
    font-weight: 800;
    letter-spacing: -.01em;
    color: #fff;
}

.gp-cta-copy p {
    margin-top: 8px;
    font-size: 13.4px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .82);
}

.gp-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.gp-cta .gp-btn--primary {
    background: #fff;
    color: #4338ca;
    box-shadow: none;
}

.gp-cta .gp-btn--primary:hover { box-shadow: 0 8px 22px rgba(0, 0, 0, .18); }

.gp-cta .gp-btn--quiet {
    border-color: rgba(255, 255, 255, .34);
    background: rgba(255, 255, 255, .08);
    color: #fff;
}

.gp-cta .gp-btn--quiet:hover {
    border-color: rgba(255, 255, 255, .6);
    color: #fff;
}

/* ===== 顺手逛逛 ===== */
.gp-rel { padding: 34px 0 0; }

.gp-rel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.gp-rel-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border: 1px solid var(--gp-line);
    border-radius: 16px;
    background: var(--gp-card);
    text-decoration: none;
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.gp-rel-item:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--gp-brand) 42%, transparent);
    box-shadow: 0 10px 24px rgba(99, 102, 241, .12);
}

.gp-rel-ico { font-size: 20px; line-height: 1; }

.gp-rel-body { flex: 1; min-width: 0; }

.gp-rel-body b {
    display: block;
    font-size: 14.4px;
    font-weight: 700;
}

.gp-rel-body small {
    display: block;
    margin-top: 2px;
    font-size: 12.4px;
    color: var(--gp-ink-3);
}

.gp-rel-go { color: var(--gp-ink-3); }

/* ===== 返回顶部 ===== */
.gp-top {
    position: fixed;
    right: 22px;
    bottom: 78px;
    z-index: 60;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--gp-line);
    border-radius: 50%;
    background: var(--gp-card);
    color: var(--gp-ink);
    font-size: 17px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    box-shadow: var(--shadow-sm, 0 1px 2px rgba(16, 24, 40, .04));
    transition: opacity .2s ease, transform .2s ease, visibility .2s, border-color .2s, color .2s;
}

.gp-top.is-show {
    opacity: 1;
    visibility: visible;
    transform: none;
}

.gp-top:hover {
    border-color: var(--gp-brand);
    color: var(--gp-brand);
}

/* ===== 滚动入场动效（IntersectionObserver 驱动） ===== */
.gp-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .7s cubic-bezier(.22, 1, .36, 1), transform .7s cubic-bezier(.22, 1, .36, 1);
    will-change: opacity, transform;
}

.gp-reveal.is-in {
    opacity: 1;
    transform: none;
}

/* ===== 响应式 ===== */
@media (max-width: 1120px) {
    .gp-casual-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
    .gp-mosaic { grid-auto-rows: 206px; gap: 12px; }
    .gp-tile { border-radius: 18px; }
    .gp-tile--one-stroke .gp-tile-name { font-size: 23px; }
    .gp-why-grid,
    .gp-rel-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 760px) {
    .gp-casual-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .gp-mosaic {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-auto-rows: auto;
        gap: 10px;
    }

    /* 小屏取消纵向跨行，主推块只横向占两列 */
    .gp-tile--one-stroke { grid-column: span 2; grid-row: auto; }
    .gp-tile--idiom-chain { grid-column: span 1; grid-row: auto; }

    .gp-tile { border-radius: 16px; }
    .gp-tile-art { flex: none; height: 118px; min-height: 0; }
    .gp-tile--one-stroke .gp-tile-art { height: 148px; }
    .gp-tile-name { font-size: 16px; }
    .gp-tile--one-stroke .gp-tile-name { font-size: 21px; }
    .gp-tile-desc { display: none; }
    .gp-tile-tag { top: 10px; left: 10px; padding: 3px 9px; font-size: 10.6px; }
    .gp-tile-go { top: 10px; right: 10px; width: 26px; height: 26px; }
    .gp-tile-body { padding: 12px 14px 13px; }
}

@media (max-width: 720px) {
    .gp-hero-card {
        padding: 30px 20px 0;
        border-radius: 22px;
    }

    .gp-lead { font-size: 14.2px; }

    .gp-facts {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        row-gap: 16px;
        margin: 26px -20px 0;
        padding: 18px 20px 22px;
    }

    .gp-facts li:nth-child(3)::before { display: none; }
    .gp-facts b { font-size: 20px; }

    .gp-cta-card { padding: 24px 20px; }
    .gp-faq-item { padding: 0 16px; }
    .gp-top { right: 14px; bottom: 74px; }
}

@media (prefers-reduced-motion: reduce) {
    .gp-reveal { opacity: 1; transform: none; transition: none; }

    .gp-tile,
    .gp-tile-art svg,
    .gp-tile-go,
    .gp-btn,
    .gp-casual-card,
    .gp-rel-item { transition: none; }

    .gp-tile:hover { transform: none; }
    .gp-tile:hover .gp-tile-art svg { transform: none; }

    .t-route,
    .t-flow path,
    .t-pulse { animation: none; }
}