/* 世界杯官方入口 · 世界级运动装备服务商 — 夜间球场 / 装备实验室 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg: #0a0f18;
    --bg2: #111a28;
    --card: #151f2e;
    --card2: #1c283c;
    --line: rgba(255, 255, 255, 0.08);
    --text: #e8edf4;
    --muted: #8b9bb4;
    --accent: #3dffce;
    --accent-dim: #1aa88a;
    --gold: #f0c14b;
    --danger: #ff5c5c;
    --radius: 10px;
    --max: 1140px;
}
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: #7dffea; }
img { max-width: 100%; display: block; height: auto; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 22px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

/* 顶栏 */
.topbar {
    background: linear-gradient(90deg, #0d1524 0%, #152238 50%, #0d1524 100%);
    border-bottom: 1px solid var(--line);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
}
.topbar .inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 0;
}
.topbar b { color: var(--gold); font-weight: 700; }

/* 头部 */
header.main {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 15, 24, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}
.head-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 0;
    flex-wrap: wrap;
}
.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}
.logo-mark {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent-dim), var(--accent));
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 13px;
    color: #041016;
    letter-spacing: -0.02em;
}
.logo h1 {
    font-size: clamp(17px, 2.2vw, 22px);
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.25;
    color: var(--text);
}
.logo span {
    display: block;
    font-size: 10px;
    color: var(--muted);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-top: 2px;
}
.cta-row { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    border: 1px solid transparent;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent-dim), var(--accent));
    color: #041016;
    border-color: transparent;
}
.btn-primary:hover { filter: brightness(1.08); color: #041016; }
.btn-ghost {
    background: transparent;
    border-color: var(--line);
    color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* 导航 */
nav.nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
    padding-bottom: 14px;
    border-top: 1px solid var(--line);
    margin: 0 -4px;
    padding-top: 12px;
}
nav.nav a {
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--muted);
    border: 1px solid transparent;
}
nav.nav a:hover { color: var(--text); background: var(--card); }
nav.nav a.on {
    color: #041016;
    background: var(--accent);
    border-color: var(--accent);
}

/* Hero */
.hero {
    padding: 48px 0 56px;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61, 255, 206, 0.12), transparent 55%),
        var(--bg);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
    align-items: center;
}
@media (min-width: 920px) {
    .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 48px; }
}
.hero-badge {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gold);
    border: 1px solid rgba(240, 193, 75, 0.35);
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: 16px;
}
.hero h2 {
    font-size: clamp(28px, 4.2vw, 44px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}
.hero h2 em {
    font-style: normal;
    background: linear-gradient(90deg, var(--accent), #8af5ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero-lead {
    font-size: 17px;
    color: var(--muted);
    max-width: 520px;
    margin-bottom: 22px;
}
.hero-panel {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 22px;
    position: relative;
    overflow: hidden;
}
.hero-panel::after {
    content: "";
    position: absolute;
    inset: -40% 40% auto -20%;
    height: 80%;
    background: radial-gradient(circle, rgba(61, 255, 206, 0.08), transparent 70%);
    pointer-events: none;
}
.hero-panel h3 {
    font-size: 13px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 14px;
    position: relative;
}
.spec-list { list-style: none; position: relative; }
.spec-list li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--line);
    font-size: 14px;
}
.spec-list li:last-child { border-bottom: none; }
.spec-list span:last-child { font-variant-numeric: tabular-nums; color: var(--accent); font-weight: 600; }

/* Sections */
section.block { padding: 52px 0; }
section.block.alt {
    background: var(--bg2);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.sec-head { margin-bottom: 28px; }
.sec-head .eyebrow {
    font-size: 11px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--accent-dim);
    margin-bottom: 8px;
}
.sec-head h3 {
    font-size: clamp(22px, 2.8vw, 30px);
    font-weight: 800;
    letter-spacing: -0.02em;
}
.sec-head p { color: var(--muted); margin-top: 10px; max-width: 640px; }

/* 首页长文区 */
.copy-split {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: start;
}
@media (min-width: 860px) {
    .copy-split { grid-template-columns: 0.95fr 1.05fr; gap: 40px; }
}
.copy-split .visual {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--card);
}
.copy-split .visual img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.copy-split .prose p {
    margin-bottom: 16px;
    color: #c5d0e0;
    font-size: 16px;
    line-height: 1.9;
}
.copy-split .prose strong { color: var(--text); }

/* 卡片网格 */
.grid3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}
@media (min-width: 640px) { .grid3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid3 { grid-template-columns: repeat(3, 1fr); } }
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 22px 20px;
    transition: border-color 0.2s, transform 0.2s;
}
.card:hover {
    border-color: rgba(61, 255, 206, 0.35);
    transform: translateY(-2px);
}
.card .tag {
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 10px;
}
.card h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.card p { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* 列表 */
.list {
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    background: var(--card);
}
.list a.item {
    display: grid;
    grid-template-columns: 88px 1fr auto;
    gap: 14px;
    align-items: center;
    padding: 16px 18px;
    border-bottom: 1px solid var(--line);
    color: var(--text);
}
.list a.item:last-child { border-bottom: none; }
.list a.item:hover { background: var(--card2); }
.list .d { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.list .t { font-weight: 600; }
.list .pill {
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(61, 255, 206, 0.35);
    padding: 4px 8px;
    border-radius: 999px;
    white-space: nowrap;
}
@media (max-width: 560px) {
    .list a.item { grid-template-columns: 1fr; align-items: start; }
}

/* 内页 hero */
.page-hero {
    padding: 36px 0 28px;
    background: linear-gradient(180deg, var(--bg2) 0%, var(--bg) 100%);
    border-bottom: 1px solid var(--line);
}
.page-hero .eyebrow { font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent-dim); }
.page-hero h2 {
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 800;
    margin-top: 10px;
    letter-spacing: -0.02em;
}
.page-hero .sub { color: var(--muted); margin-top: 12px; max-width: 680px; }

.crumb {
    font-size: 12px;
    color: var(--muted);
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}
.crumb a { color: var(--text); font-weight: 600; }
.crumb a:hover { color: var(--accent); }

/* 文章 */
article.post { padding: 36px 0 56px; }
.post-inner { max-width: 720px; margin: 0 auto; }
.post .meta { font-size: 12px; color: var(--muted); margin-bottom: 16px; letter-spacing: 0.06em; }
.post h2 {
    font-size: 26px;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 18px;
    letter-spacing: -0.02em;
}
.post h3 { font-size: 18px; font-weight: 700; margin: 22px 0 10px; color: var(--text); }
.post p { margin-bottom: 14px; color: #c5d0e0; line-height: 1.9; }
.post ul, .post ol { margin: 0 0 16px 22px; color: #c5d0e0; }
.post li { margin-bottom: 6px; }
.post blockquote {
    border-left: 4px solid var(--accent);
    padding: 12px 18px;
    margin: 18px 0;
    background: var(--card);
    color: var(--muted);
    font-style: italic;
}
.post table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
    border: 1px solid var(--line);
}
.post th, .post td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.post th { background: var(--card2); color: var(--text); }
.figure {
    margin: 20px 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--card);
}

/* 联系 */
.grid2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 36px 0 52px;
}
@media (min-width: 840px) { .grid2 { grid-template-columns: 1.1fr 0.9fr; } }
.panel {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 26px 22px;
}
.panel h3 { font-size: 20px; margin-bottom: 16px; }
.fld { margin-bottom: 14px; }
.fld label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; font-weight: 600; }
.fld input, .fld select, .fld textarea {
    width: 100%;
    padding: 11px 12px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
    font-size: 15px;
}
.fld input:focus, .fld textarea:focus {
    outline: 2px solid var(--accent-dim);
    border-color: var(--accent-dim);
}

/* 页脚 */
footer.bot {
    background: #06090f;
    border-top: 1px solid var(--line);
    padding: 44px 0 0;
    margin-top: 8px;
}
.foot-cols {
    display: grid;
    grid-template-columns: 1fr;
    gap: 26px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--line);
}
@media (min-width: 600px) { .foot-cols { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .foot-cols { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.foot-cols h4 {
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 12px;
}
.foot-cols ul { list-style: none; }
.foot-cols li { padding: 4px 0; font-size: 14px; }
.foot-cols p { font-size: 14px; color: var(--muted); line-height: 1.75; }
.foot-copy {
    text-align: center;
    padding: 18px 0 22px;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.pager {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 14px;
    margin-top: 24px;
    font-size: 14px;
    color: var(--muted);
}
.pager a {
    color: var(--text);
    font-weight: 600;
}
.pager a:hover { color: var(--accent); }
.post-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
}