/* ============================================================
   阻击者联盟 - 首页深色赛博科技风
   ============================================================ */
:root {
    --bg: #070b14;
    --bg-alt: #0b1220;
    --bg-card: rgba(255, 255, 255, .035);
    --line: rgba(0, 229, 255, .14);
    --line-strong: rgba(0, 229, 255, .45);
    --cyan: #00e5ff;
    --violet: #7c4dff;
    --red: #ff3d71;
    --text: #e6edf7;
    --muted: #8b9bb4;
    --radius: 14px;
    --font-tech: "JetBrains Mono", Consolas, "Courier New", monospace;
    --shadow-glow: 0 0 24px rgba(0, 229, 255, .25);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "HarmonyOS Sans SC", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(0, 229, 255, .3); }
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

/* 全局背景装饰：网格 + 光晕 */
.bg-grid {
    position: fixed; inset: 0; z-index: -2; pointer-events: none;
    background-image:
        linear-gradient(rgba(0, 229, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 255, .05) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}
.bg-glow {
    position: fixed; z-index: -1; pointer-events: none; border-radius: 50%;
    filter: blur(120px); opacity: .5;
}
.bg-glow.g1 { width: 520px; height: 520px; top: -160px; left: -120px; background: radial-gradient(circle, rgba(0, 229, 255, .28), transparent 70%); }
.bg-glow.g2 { width: 640px; height: 640px; top: 30%; right: -200px; background: radial-gradient(circle, rgba(124, 77, 255, .26), transparent 70%); }
.bg-glow.g3 { width: 480px; height: 480px; bottom: -160px; left: 30%; background: radial-gradient(circle, rgba(0, 229, 255, .12), transparent 70%); }

/* ---------- Header ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(7, 11, 20, .72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(0, 229, 255, .12);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 12px; position: relative; }
.logo img { height: 40px; border-radius: 8px; }
.logo-text {
    font-size: 21px; font-weight: 800; letter-spacing: 2px;
    background: linear-gradient(90deg, #fff, var(--cyan));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
    text-shadow: 0 0 18px rgba(0, 229, 255, .35);
}
.nav-links { display: flex; gap: 6px; }
.nav-links a {
    position: relative; color: var(--muted); font-size: 14px; letter-spacing: .5px;
    padding: 8px 14px; border-radius: 8px; transition: color .2s, background .2s;
}
.nav-links a::after {
    content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 1px;
    background: linear-gradient(90deg, var(--cyan), transparent); transform: scaleX(0);
    transform-origin: left; transition: transform .25s;
}
.nav-links a:hover { color: #fff; background: rgba(0, 229, 255, .08); }
.nav-links a:hover::after { transform: scaleX(1); }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--cyan); font-size: 20px; width: 40px; height: 40px; border-radius: 8px; cursor: pointer; }
.site-header.sub { position: static; }
.back-home { color: var(--muted); font-size: 14px; font-family: var(--font-tech); transition: color .2s; }
.back-home:hover { color: var(--cyan); }

/* ---------- Hero ---------- */
.hero { position: relative; height: 88vh; min-height: 560px; display: flex; align-items: center; overflow: hidden; }
#particles { position: absolute; inset: 0; z-index: 1; }
.hero-slider { position: absolute; inset: 0; z-index: 0; }
.hero-slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transform: scale(1.06); transition: opacity 1.2s, transform 6s ease; }
.hero-slide.active { opacity: 1; transform: scale(1); }
.hero-mask {
    position: absolute; inset: 0;
    background:
        linear-gradient(180deg, rgba(7, 11, 20, .62) 0%, rgba(7, 11, 20, .55) 45%, var(--bg) 100%),
        linear-gradient(90deg, rgba(7, 11, 20, .9) 0%, rgba(7, 11, 20, .45) 52%, rgba(7, 11, 20, .1) 100%);
}
.hero-text { position: relative; z-index: 2; width: 100%; }
.hero-inner { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.hero-kicker {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-tech); font-size: 13px; letter-spacing: 3px; color: var(--cyan);
    margin-bottom: 20px;
}
.hero-kicker::before { content: ""; width: 34px; height: 1px; background: var(--cyan); box-shadow: var(--shadow-glow); }
.hero-text h1 {
    font-size: clamp(34px, 6vw, 66px); font-weight: 900; line-height: 1.12; letter-spacing: 1px;
    margin-bottom: 18px;
}
.hero-text h1 .grad {
    background: linear-gradient(92deg, var(--cyan) 0%, var(--violet) 100%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 22px rgba(0, 229, 255, .35));
}
.hero-text p { font-size: clamp(15px, 1.8vw, 19px); color: #aab8cd; max-width: 620px; }
.hero-cta { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 38px; margin-top: 46px; flex-wrap: wrap; }
.hero-stat { position: relative; padding-left: 14px; display: flex; flex-direction: column; gap: 2px; }
.hero-stat::before {
    content: ""; position: absolute; left: 0; top: 3px; bottom: 3px; width: 2px;
    background: linear-gradient(180deg, var(--cyan), rgba(0, 229, 255, 0));
}
.hero-stat b { font-family: var(--font-tech); font-size: 26px; font-weight: 700; color: #fff; line-height: 1.1; letter-spacing: 1px; }
.hero-stat span { font-size: 12px; letter-spacing: 2px; color: var(--muted); }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 26px; border-radius: 10px; font-size: 14px; font-weight: 600; letter-spacing: .5px;
    border: 1px solid transparent; cursor: pointer; transition: all .25s;
}
.btn-primary {
    color: #06121a; background: linear-gradient(135deg, var(--cyan), #37c8ff);
    box-shadow: 0 0 24px rgba(0, 229, 255, .35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 36px rgba(0, 229, 255, .55); }
.btn-ghost { color: var(--cyan); border-color: var(--line-strong); background: rgba(0, 229, 255, .06); }
.btn-ghost:hover { background: rgba(0, 229, 255, .14); box-shadow: var(--shadow-glow); transform: translateY(-2px); }
.hero-dots { position: absolute; z-index: 3; bottom: 30px; left: 0; right: 0; display: flex; justify-content: center; gap: 10px; }
.hero-dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .25); cursor: pointer; transition: all .25s; }
.hero-dot.active { background: var(--cyan); box-shadow: var(--shadow-glow); transform: scale(1.35); }
.scroll-hint {
    position: absolute; z-index: 3; bottom: 22px; right: 30px;
    font-family: var(--font-tech); font-size: 11px; letter-spacing: 2px; color: rgba(139, 155, 180, .7);
    display: flex; align-items: center; gap: 8px;
}
.scroll-hint::before { content: ""; width: 1px; height: 34px; background: linear-gradient(180deg, var(--cyan), transparent); }

/* ---------- Section ---------- */
.section { padding: 96px 0; position: relative; }
.section.alt { background: var(--bg-alt); }
.section-head { text-align: center; margin-bottom: 54px; position: relative; }
.section-tag {
    display: inline-block; font-family: var(--font-tech); font-size: 12px; letter-spacing: 4px;
    color: var(--cyan); margin-bottom: 12px; text-transform: uppercase;
}
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: 1px; text-wrap: balance; }
.section-head h2 .grad {
    background: linear-gradient(92deg, var(--cyan), var(--violet));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.section-line { width: 72px; height: 2px; margin: 16px auto 0; background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent); border-radius: 2px; }

/* 滚动入场 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.about-media { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: 0 20px 60px rgba(0, 0, 0, .45); }
.about-media img, .about-media video { width: 100%; height: 360px; object-fit: cover; }
.about-media::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(0, 229, 255, .2); border-radius: var(--radius); pointer-events: none; }
.about-text { font-size: 16px; color: #aab8cd; }
.about-text strong { color: var(--text); }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.stat-item { text-align: center; padding: 16px 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-card); }
.stat-item b { display: block; font-size: 26px; font-family: var(--font-tech); color: var(--cyan); text-shadow: 0 0 14px rgba(0, 229, 255, .5); }
.stat-item span { font-size: 12px; color: var(--muted); letter-spacing: 1px; }

/* ---------- Cards (services / culture) ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 22px; }
.card {
    position: relative; background: var(--bg-card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 30px 26px; overflow: hidden;
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    transition: transform .3s, border-color .3s, box-shadow .3s;
}
.card::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0; transition: opacity .3s;
}
.card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: 0 14px 44px rgba(0, 229, 255, .14); }
.card:hover::before { opacity: 1; }
.card .card-index {
    position: absolute; top: 16px; right: 20px; font-family: var(--font-tech);
    font-size: 13px; color: rgba(0, 229, 255, .5); letter-spacing: 1px;
}
.card-img {
    display: block; width: 100%; aspect-ratio: 16 / 9; height: auto; object-fit: cover;
    border-radius: 10px; margin-bottom: 18px; border: 1px solid var(--line);
}
.card-img-ph {
    display: flex; align-items: center; justify-content: center;
    background:
        radial-gradient(circle at 26% 18%, rgba(0, 229, 255, .18), transparent 58%),
        radial-gradient(circle at 82% 88%, rgba(124, 77, 255, .22), transparent 55%),
        rgba(255, 255, 255, .02);
}
.card-img-ph span {
    font-family: var(--font-tech); font-size: 44px; font-weight: 700;
    color: rgba(0, 229, 255, .3); letter-spacing: 4px;
}
.card .card-mark {
    position: absolute; right: 12px; bottom: -14px; pointer-events: none; user-select: none;
    font-family: var(--font-tech); font-size: 88px; font-weight: 800; line-height: 1;
    color: rgba(0, 229, 255, .07); letter-spacing: -2px;
}
.culture-card { padding-bottom: 42px; }
.card h3 { font-size: 18px; margin-bottom: 10px; letter-spacing: .5px; }
.card p { color: var(--muted); font-size: 14px; }

/* ---------- Projects ---------- */
.projects { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 22px; }
.project {
    position: relative; background: var(--bg-card); border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
    transition: transform .3s, border-color .3s, box-shadow .3s;
}
.project:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: 0 14px 44px rgba(124, 77, 255, .18); }
.project img {
    width: 100%; aspect-ratio: 16 / 10; height: auto; object-fit: cover; display: block;
    transition: transform .5s; background: #0d1524;
}
.project:hover img { transform: scale(1.05); }
.project-info { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.project-info h3 { font-size: 17px; line-height: 1.45; }
.project-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; }
.project-info .tag {
    display: inline-block; font-family: var(--font-tech); font-size: 12px; letter-spacing: 1px;
    color: var(--violet); border: 1px solid rgba(124, 77, 255, .4); padding: 2px 12px; border-radius: 20px;
    background: rgba(124, 77, 255, .1); white-space: nowrap;
}
.project-info .views { color: var(--muted); font-size: 12px; font-family: var(--font-tech); white-space: nowrap; }

/* ---------- Members ---------- */
.members { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 22px; }
.member {
    text-align: center; background: var(--bg-card); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 28px 16px 22px; position: relative; overflow: hidden;
    transition: transform .3s, border-color .3s, box-shadow .3s;
}
.member::after {
    content: ""; position: absolute; bottom: 0; left: 20%; right: 20%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: 0; transition: opacity .3s;
}
.member:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: 0 12px 40px rgba(0, 229, 255, .12); }
.member:hover::after { opacity: 1; }
.member img, .member-avatar {
    width: 86px; height: 86px; border-radius: 50%; object-fit: cover; margin: 0 auto 14px;
    border: 2px solid var(--line); box-shadow: 0 0 0 4px rgba(0, 229, 255, .06), 0 0 20px rgba(0, 229, 255, .15);
    transition: transform .3s, border-color .3s, box-shadow .3s;
}
.member:hover img { transform: scale(1.06); border-color: var(--line-strong); box-shadow: 0 0 0 4px rgba(0, 229, 255, .12), 0 0 26px rgba(0, 229, 255, .28); }
.member-avatar {
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(0, 229, 255, .25), rgba(124, 77, 255, .3));
    color: #fff; font-size: 34px; font-weight: 800;
}
.member h4 { font-size: 16px; letter-spacing: .5px; }
.member .position {
    display: inline-block; margin: 9px 0 8px; padding: 2px 11px; border-radius: 20px;
    font-family: var(--font-tech); font-size: 12px; letter-spacing: 1px; color: var(--cyan);
    border: 1px solid rgba(0, 229, 255, .28); background: rgba(0, 229, 255, .07);
}
.member .bio {
    color: var(--muted); font-size: 13px; line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--line); background: rgba(7, 11, 20, .92);
    text-align: center; padding: 34px 0; font-size: 14px; color: var(--muted);
    position: relative;
}
.site-footer a { color: #aab8cd; }
.site-footer a:hover { color: var(--cyan); }
.site-footer p + p { margin-top: 6px; }

.footer-grid {
    display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px;
    text-align: left; padding-top: 12px; padding-bottom: 38px;
}
.footer-brand .footer-logo {
    font-size: 20px; font-weight: 800; letter-spacing: 2px; margin-bottom: 10px;
    background: linear-gradient(90deg, #fff, var(--cyan));
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.footer-brand p { color: var(--muted); font-size: 14px; max-width: 320px; }
.footer-col h4 {
    font-family: var(--font-tech); font-size: 12px; letter-spacing: 3px; font-weight: 600;
    color: #dce6f3; margin-bottom: 14px; text-transform: uppercase;
}
.footer-col a, .footer-col span { display: block; font-size: 14px; margin-bottom: 9px; color: var(--muted); transition: color .2s, transform .2s; }
.footer-col a:hover { transform: translateX(3px); }
.footer-bottom { border-top: 1px solid rgba(0, 229, 255, .1); padding-top: 18px; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; text-align: left; }
.to-top { font-family: var(--font-tech); font-size: 13px; letter-spacing: 1px; }

/* ---------- 子页通用（article/project/links/join 深色化） ---------- */
.site-header.sub { position: static; border-bottom: 1px solid var(--line); }
.article-page, .project-page, .links-page, .join-page { padding: 56px 0 80px; max-width: 880px; }
.article-page h1, .project-page h1, .links-page h1, .join-page h1 { font-size: 30px; margin-bottom: 14px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); font-size: 14px; margin-bottom: 24px; font-family: var(--font-tech); font-size: 13px; }
.article-body { font-size: 16px; }
.article-body h2, .article-body h3 { margin: 24px 0 10px; color: #fff; }
.article-body p { margin-bottom: 14px; color: #c3cede; }
.article-body img { border-radius: 10px; margin: 14px 0; border: 1px solid var(--line); }
.recommend { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.recommend h2 { font-size: 20px; margin-bottom: 14px; }
.recommend ul { list-style: none; }
.recommend li { margin-bottom: 12px; }
.recommend li a { font-weight: 600; color: #c9d6e4; }
.recommend li a:hover { color: var(--cyan); }
.recommend .meta { display: block; color: var(--muted); font-size: 13px; }

/* 文章列表 */
.article-list { list-style: none; border-top: 1px solid var(--line); }
.article-list li { padding: 18px 0; border-bottom: 1px solid var(--line); }
.article-list a { font-size: 18px; font-weight: 600; color: #dbe6f3; transition: color .2s; }
.article-list a:hover { color: var(--cyan); }
.article-list .meta { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; font-family: var(--font-tech); }
.pager { display: flex; gap: 12px; justify-content: center; margin-top: 32px; }
.project-desc p { color: var(--muted); margin-bottom: 12px; }
.project-cover { margin: 4px 0 28px; }
.project-cover img {
    width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block;
    border-radius: var(--radius); border: 1px solid var(--line); box-shadow: 0 18px 50px rgba(0, 0, 0, .45);
}
.project-tag {
    font-family: var(--font-tech); font-size: 12px; letter-spacing: 1px; color: var(--violet);
    border: 1px solid rgba(124, 77, 255, .4); background: rgba(124, 77, 255, .1);
    padding: 1px 10px; border-radius: 20px;
}
.btn-sm { padding: 6px 14px; font-size: 13px; }
.project-content { margin-top: 16px; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-top: 16px; }
.gallery-grid img { border-radius: 10px; height: 160px; object-fit: cover; border: 1px solid var(--line); transition: transform .25s, border-color .25s; }
.gallery-grid a:hover img { transform: scale(1.03); border-color: var(--line-strong); }
.links-page h2 { font-size: 24px; margin: 40px 0 18px; }
.links-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 16px; }
.link-card {
    display: flex; align-items: center; justify-content: center; min-height: 64px;
    background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 18px; text-align: center; font-size: 14px; color: #c9d6e4;
    transition: transform .2s, border-color .2s, color .2s;
}
.link-card:hover { transform: translateY(-3px); border-color: var(--line-strong); color: var(--cyan); }

/* Join */
.join-page { max-width: 640px; }
.join-form { display: flex; flex-direction: column; gap: 16px; }
.join-form label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); }
.join-form input, .join-form textarea {
    padding: 11px 14px; background: rgba(255, 255, 255, .04); border: 1px solid var(--line);
    border-radius: 10px; font-size: 15px; color: var(--text); outline: none; font-family: inherit;
}
.join-form input:focus, .join-form textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0, 229, 255, .12); }
.code-row { display: flex; gap: 10px; }
.code-row input { flex: 1; }
.alert { background: rgba(255, 61, 113, .1); color: #ff8aa5; border: 1px solid rgba(255, 61, 113, .35); padding: 12px 16px; border-radius: 10px; margin-bottom: 18px; font-size: 14px; }

/* Maintenance */
.maintenance { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.maintenance-box { text-align: center; background: var(--bg-card); border: 1px solid var(--line); padding: 48px 44px; border-radius: var(--radius); max-width: 460px; backdrop-filter: blur(10px); }
.maintenance-icon { font-size: 56px; margin-bottom: 16px; }
.maintenance-box h1 { font-size: 26px; margin-bottom: 12px; }
.maintenance-box p { color: var(--muted); }

/* ---------- 交互细节 ---------- */
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 8px; }
.btn:active { transform: translateY(0) scale(.985); }
.nav-links a.active { color: #fff; background: rgba(0, 229, 255, .1); }
.nav-links a.active::after { transform: scaleX(1); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .menu-toggle { display: block; }
    .nav-links {
        display: none; position: absolute; top: 64px; left: 0; right: 0;
        background: rgba(7, 11, 20, .96); flex-direction: column; padding: 14px 20px; gap: 6px;
        border-bottom: 1px solid var(--line);
    }
    .nav-links.open { display: flex; }
    .about-grid { grid-template-columns: 1fr; }
    .about-media img, .about-media video { height: 260px; }
    .hero { height: 76vh; }
    .hero-stats { gap: 24px; margin-top: 34px; }
    .hero-stat b { font-size: 22px; }
    .section { padding: 64px 0; }
    .scroll-hint { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 26px; }
    .footer-bottom .container { justify-content: center; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .hero-slide { transition: opacity .4s; transform: none; }
    .card, .project, .member { transition: none; }
}


/* ========== 团队成员区 V2 (2026-10-30 美化) ========== */
.team-section { position: relative; }
.team-section::before {
    content: "";
    position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(640px 320px at 50% 0%, rgba(0, 229, 255, .07), transparent 72%);
}
.section-desc {
    margin: 14px auto 0; max-width: 560px;
    color: var(--muted); font-size: 14px; line-height: 1.8;
}

.team-meta {
    display: flex; justify-content: center; gap: clamp(24px, 6vw, 72px);
    margin: 0 0 44px; padding: 18px 0;
    border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.team-meta-item { text-align: center; }
.team-meta-item b {
    display: block; font-family: var(--font-tech); font-size: 26px; font-weight: 700;
    color: var(--cyan); text-shadow: 0 0 18px rgba(0, 229, 255, .35);
}
.team-meta-item span { display: block; margin-top: 4px; font-size: 12px; letter-spacing: 2px; color: var(--muted); }

.members {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 24px; position: relative;
}
.member {
    position: relative; overflow: hidden; text-align: center;
    background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 28px 18px 20px;
    transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.member::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 255, .8), rgba(124, 77, 255, .8), transparent);
    opacity: 0; transition: opacity .3s ease;
}
.member:hover {
    transform: translateY(-8px); border-color: var(--line-strong);
    box-shadow: 0 14px 44px rgba(0, 229, 255, .14), 0 4px 18px rgba(0, 0, 0, .5);
}
.member:hover::before { opacity: 1; }

.member-avatar-wrap { position: relative; width: 92px; height: 92px; margin: 0 auto 14px; }
.member-avatar-wrap::before {
    content: ""; position: absolute; inset: -4px; border-radius: 50%;
    background: conic-gradient(from 210deg, var(--cyan), var(--violet) 40%, rgba(0, 229, 255, .15) 70%, var(--cyan));
    opacity: .85; transition: opacity .3s ease;
}
.member:hover .member-avatar-wrap::before { opacity: 1; animation: teamSpin 3.5s linear infinite; }
.member img, .member-avatar {
    width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
    border: 3px solid var(--bg); display: block;
}
.member-avatar {
    display: flex; align-items: center; justify-content: center;
    font-size: 34px; font-weight: 800; color: var(--cyan);
    background: linear-gradient(145deg, #0d1626, #0a101d);
}
.member-idx {
    position: absolute; right: -6px; bottom: -2px; z-index: 2;
    font-family: var(--font-tech); font-size: 11px; font-weight: 700; color: var(--cyan);
    background: var(--bg); border: 1px solid var(--line-strong); border-radius: 8px;
    padding: 2px 7px; letter-spacing: 1px; box-shadow: 0 0 12px rgba(0, 229, 255, .2);
}
.member h4 { font-size: 17px; font-weight: 700; letter-spacing: .5px; margin: 0 0 8px; }
.member .position {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--font-tech); font-size: 12px; letter-spacing: 1px; color: var(--cyan);
    border: 1px solid rgba(0, 229, 255, .35); border-radius: 999px; padding: 3px 11px;
    background: rgba(0, 229, 255, .06);
}
.member .position::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.member .bio {
    margin: 12px 0 0; min-height: 42px; font-size: 13px; line-height: 1.7; color: var(--muted);
    white-space: pre-line; word-break: break-word;
}
.bio-empty { color: #5b6a82; }
.member-contact { margin-top: 14px; opacity: .9; }
.mc-btn {
    display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--font-tech); font-size: 12px; letter-spacing: .5px;
    color: var(--text); background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .14); border-radius: 8px; padding: 6px 14px;
    transition: all .25s ease; text-decoration: none;
}
.mc-btn:hover {
    color: var(--cyan); border-color: var(--cyan);
    box-shadow: 0 0 16px rgba(0, 229, 255, .25); background: rgba(0, 229, 255, .07);
}
@keyframes teamSpin { to { transform: rotate(360deg); } }

@media (max-width: 640px) {
    .members { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }
    .member { padding: 20px 12px 16px; }
    .member-avatar-wrap { width: 76px; height: 76px; }
    .member .bio { min-height: 0; }
}
@media (prefers-reduced-motion: reduce) {
    .member, .member::before, .mc-btn { transition: none; }
    .member:hover .member-avatar-wrap::before { animation: none; }
}