/* ============================================================
   N0va安全 · 团队官网
   深色科技风 —— 配色取自团队 Logo：绿 #00e885 → 青 #00c9a7 → 蓝 #3b82f6
   ============================================================ */

:root {
  --bg: #07090d;
  --bg-soft: #0b0f16;
  --card: #0d131d;
  --card-hover: #101a28;
  --border: rgba(148, 180, 220, 0.1);
  --border-glow: rgba(0, 232, 133, 0.35);

  --text: #dce3ec;
  --muted: #8b98a9;
  --dim: #5d6a7d;

  --green: #00e885;
  --teal: #00c9a7;
  --blue: #3b82f6;
  --grad: linear-gradient(120deg, #00e885 0%, #00c9a7 45%, #3b82f6 100%);

  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

  --radius: 14px;
  --nav-h: 68px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(0, 201, 167, 0.35); color: #fff; }

::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--green), var(--blue));
  border-radius: 6px;
}

.container { width: min(1160px, 92%); margin: 0 auto; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* ---------- 通用渐变文字 ---------- */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ============================================================
   导航栏
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background 0.35s, border-color 0.35s, backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 9, 13, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  border: 1px solid var(--border-glow);
}
.nav-name i {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  position: relative;
  padding: 8px 14px;
  font-size: 14.5px;
  color: var(--muted);
  border-radius: 8px;
  transition: color 0.25s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-mail {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--green);
  border: 1px solid var(--border-glow);
  background: rgba(0, 232, 133, 0.06);
  padding: 8px 14px;
  border-radius: 999px;
  transition: background 0.25s, box-shadow 0.25s;
  white-space: nowrap;
}
.nav-mail:hover {
  background: rgba(0, 232, 133, 0.14);
  box-shadow: 0 0 18px rgba(0, 232, 133, 0.18);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 6px;
}
.nav-burger span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 40px) 0 60px;
  background:
    radial-gradient(1000px 500px at 75% -10%, rgba(59, 130, 246, 0.13), transparent 60%),
    radial-gradient(900px 480px at 15% 110%, rgba(0, 232, 133, 0.1), transparent 60%),
    var(--bg);
  overflow: hidden;
}

#particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* 网格背景 */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(120, 160, 220, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 220, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 45%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 45%, #000 30%, transparent 75%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  left: 50%;
  top: 38%;
  width: 640px;
  height: 640px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0, 201, 167, 0.1) 0%, transparent 65%);
  filter: blur(10px);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 2.5px;
  color: var(--teal);
  border: 1px solid rgba(0, 201, 167, 0.3);
  background: rgba(0, 201, 167, 0.07);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 30px;
}
.hero-badge .sep { color: var(--dim); }
.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* 大标题 + 故障效果 */
.hero-title {
  font-family: var(--mono);
  font-size: clamp(52px, 9.5vw, 108px);
  font-weight: 800;
  letter-spacing: 4px;
  line-height: 1.1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  margin-bottom: 26px;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  background: inherit;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0;
}
.glitch::before { animation: glitch-a 4s infinite steps(1); }
.glitch::after  { animation: glitch-b 4s infinite steps(1); }
@keyframes glitch-a {
  0%, 91%, 94%, 100% { opacity: 0; transform: none; }
  92% { opacity: 0.8; transform: translate(-5px, 3px); clip-path: inset(12% 0 58% 0); }
  93% { opacity: 0.8; transform: translate(4px, -2px);  clip-path: inset(62% 0 8% 0); }
}
@keyframes glitch-b {
  0%, 90%, 95%, 100% { opacity: 0; transform: none; }
  91% { opacity: 0.7; transform: translate(5px, -3px);  clip-path: inset(38% 0 40% 0); }
  94% { opacity: 0.7; transform: translate(-4px, 2px);  clip-path: inset(4% 0 78% 0); }
}

/* 打字机 */
.hero-typing {
  font-family: var(--mono);
  font-size: clamp(15px, 2.4vw, 20px);
  color: var(--muted);
  margin-bottom: 26px;
  min-height: 1.8em;
}
.hero-typing .prompt { color: var(--green); margin-right: 8px; }
.hero-typing .cursor {
  color: var(--green);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  font-size: clamp(15px, 1.8vw, 17.5px);
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 40px;
}
.hero-desc .hl {
  color: var(--green);
  font-weight: 700;
  font-family: var(--mono);
}

.hero-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 30px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s, border-color 0.25s;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--grad);
  color: #04110b;
  box-shadow: 0 6px 26px rgba(0, 201, 167, 0.28);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 34px rgba(0, 201, 167, 0.42);
}
.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}
.btn-ghost:hover {
  border-color: var(--border-glow);
  background: rgba(0, 232, 133, 0.07);
  transform: translateY(-2px);
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  color: var(--dim);
  animation: floaty 2.2s ease-in-out infinite;
  z-index: 2;
}
@keyframes floaty {
  0%, 100% { transform: translate(-50%, 0); opacity: 0.5; }
  50% { transform: translate(-50%, 8px); opacity: 1; }
}

/* ============================================================
   数据统计
   ============================================================ */
.stats {
  border-block: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 46px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-num {
  font-family: var(--mono);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}
.stat-num .unit { font-size: 0.6em; }
.stat-label {
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--muted);
  letter-spacing: 1px;
}

/* ============================================================
   通用 Section
   ============================================================ */
.section { padding: 100px 0; position: relative; }

.section-head { text-align: center; margin-bottom: 56px; }
.section-tag {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--teal);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(30px, 4.5vw, 42px);
  font-weight: 800;
  letter-spacing: 1px;
}
.section-sub {
  margin-top: 12px;
  color: var(--muted);
  font-size: 15.5px;
}

/* ============================================================
   团队介绍
   ============================================================ */
.about-body {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}

/* 终端窗口 */
.terminal {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0a0f16;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}
.t-dot { width: 12px; height: 12px; border-radius: 50%; }
.t-dot.red { background: #ff5f57; }
.t-dot.yellow { background: #febc2e; }
.t-dot.green { background: #28c840; }
.t-title {
  margin-left: 10px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--dim);
  letter-spacing: 0.5px;
}
.terminal-body {
  padding: 22px 20px 26px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 2.05;
}
.t-line .t-prompt { color: var(--green); margin-right: 10px; }
.t-line.t-out { color: var(--muted); padding-left: 8px; }
.t-key { color: var(--blue); }
.t-hl { color: var(--green); font-weight: 700; }
.t-ok { color: var(--green); }
.t-cursor { color: var(--green); animation: blink 1s steps(1) infinite; }

.about-text p {
  color: var(--muted);
  font-size: 15.5px;
  margin-bottom: 18px;
}
.about-text strong { color: var(--text); }

.about-features {
  list-style: none;
  margin-top: 28px;
  display: grid;
  gap: 16px;
}
.about-features li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  transition: border-color 0.25s, transform 0.25s;
}
.about-features li:hover {
  border-color: var(--border-glow);
  transform: translateX(4px);
}
.f-icon {
  font-size: 20px;
  line-height: 1.4;
  filter: saturate(1.2);
}
.about-features b { display: block; font-size: 15.5px; margin-bottom: 2px; }
.about-features i {
  font-style: normal;
  font-size: 13.5px;
  color: var(--dim);
}

/* ============================================================
   研究方向
   ============================================================ */
.skills { background: var(--bg-soft); border-block: 1px solid var(--border); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.skill-card {
  padding: 30px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.skill-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}
.skill-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4), 0 0 24px rgba(0, 201, 167, 0.08);
}
.skill-card:hover::before { transform: scaleX(1); }

.skill-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--green);
  background: rgba(0, 232, 133, 0.08);
  border: 1px solid rgba(0, 232, 133, 0.18);
  margin-bottom: 18px;
}
.skill-icon svg { width: 24px; height: 24px; }

.skill-card h3 {
  font-size: 18.5px;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.skill-card p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 16px;
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tags span {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--teal);
  background: rgba(0, 201, 167, 0.08);
  border: 1px solid rgba(0, 201, 167, 0.2);
  padding: 3px 10px;
  border-radius: 999px;
}

/* ============================================================
   战绩：SRC 滚动横幅 + 时间线
   ============================================================ */
.marquee {
  overflow: hidden;
  position: relative;
  padding: 8px 0;
  margin-bottom: 64px;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: inline-flex;
  gap: 14px;
  white-space: nowrap;
  animation: marquee 36s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee {
  to { transform: translateX(-50%); }
}

.src-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 22px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  font-size: 14.5px;
  transition: border-color 0.25s;
}
.src-badge:hover { border-color: var(--border-glow); }
.src-badge b { font-weight: 600; }
.src-badge i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 11px;
  color: #04110b;
  background: var(--grad);
  padding: 2px 9px;
  border-radius: 999px;
  font-weight: 700;
}

.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 10px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 102px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--green), var(--teal), var(--blue));
  opacity: 0.5;
  border-radius: 2px;
}
.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 84px 36px 1fr;
  align-items: start;
  margin-bottom: 34px;
}
.tl-item:last-child { margin-bottom: 0; }
.tl-year {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--teal);
  text-align: right;
  padding-top: 19px;
}
.tl-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2.5px solid var(--teal);
  margin: 24px auto 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 12px rgba(0, 201, 167, 0.55);
}
.tl-card {
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  transition: border-color 0.25s, transform 0.25s;
}
.tl-card:hover {
  border-color: var(--border-glow);
  transform: translateX(5px);
}
.tl-card h4 {
  font-size: 17px;
  margin-bottom: 8px;
}
.tl-card h4 b { color: var(--green); font-family: var(--mono); }
.tl-card p { font-size: 14px; color: var(--muted); }

/* ============================================================
   团队成员
   ============================================================ */
.members { background: var(--bg-soft); border-block: 1px solid var(--border); }

.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 22px;
}

.member-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: 30px 20px 26px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.member-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4), 0 0 24px rgba(0, 201, 167, 0.1);
}

.member-avatar {
  width: 108px;
  height: 108px;
  margin: 0 auto 18px;
  border-radius: 50%;
  padding: 3px;
  background: var(--grad);
  transition: transform 0.3s;
}
.member-card:hover .member-avatar { transform: scale(1.05) rotate(3deg); }
.member-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--card);
  background: var(--bg);
}

.member-id {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.member-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin: 10px 0 14px;
  min-height: 26px;
}
.member-tags span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--teal);
  background: rgba(0, 201, 167, 0.08);
  border: 1px solid rgba(0, 201, 167, 0.2);
  padding: 2px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.member-tags span.founder {
  color: var(--blue);
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.35);
}
.member-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: #04110b;
  background: var(--grad);
  padding: 3px 12px;
  border-radius: 999px;
}

/* ============================================================
   加入我们
   ============================================================ */
.join-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 40px;
}

.join-card {
  padding: 34px 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  transition: border-color 0.3s;
}
.join-card:hover { border-color: var(--border-glow); }

.join-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 19px;
  margin-bottom: 22px;
}
.j-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--green);
  border: 1px solid var(--border-glow);
  border-radius: 8px;
  padding: 3px 9px;
  background: rgba(0, 232, 133, 0.06);
}

.join-list { list-style: none; display: grid; gap: 14px; }
.join-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: var(--muted);
}
.join-list li::before {
  content: ">";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--mono);
  color: var(--teal);
  font-weight: 700;
}

.join-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  padding: 40px 44px;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 201, 167, 0.25);
  background:
    radial-gradient(600px 200px at 20% 0%, rgba(0, 232, 133, 0.1), transparent 60%),
    radial-gradient(600px 200px at 90% 100%, rgba(59, 130, 246, 0.12), transparent 60%),
    var(--card);
  position: relative;
  overflow: hidden;
}
.join-cta-text h3 {
  font-size: 24px;
  margin-bottom: 10px;
}
.join-cta-text p { color: var(--muted); font-size: 14.5px; }

.join-cta-mail {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.mail-link {
  font-family: var(--mono);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--green);
  border-bottom: 1px dashed rgba(0, 232, 133, 0.45);
  padding-bottom: 3px;
  transition: color 0.25s;
}
.mail-link:hover { color: var(--teal); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  background: #05070a;
  padding-top: 48px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  padding-bottom: 34px;
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img {
  width: 46px;
  height: 46px;
  border-radius: 11px;
  border: 1px solid var(--border-glow);
}
.footer-name { font-weight: 800; font-size: 17px; letter-spacing: 1px; }
.footer-slogan {
  font-size: 12.5px;
  color: var(--dim);
  font-family: var(--mono);
  margin-top: 2px;
}
.footer-contact { text-align: right; }
.footer-contact a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 13.5px;
  color: var(--muted);
  transition: color 0.25s;
}
.footer-contact a:hover { color: var(--green); }
.footer-disclaimer {
  margin-top: 10px;
  font-size: 12px;
  color: var(--dim);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  text-align: center;
  font-size: 12.5px;
  color: var(--dim);
  font-family: var(--mono);
  letter-spacing: 0.5px;
}

/* 公众号 pill（醒目样式：加粗提亮 + 微信绿光晕 + 呼吸动画） */
.wechat-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: #3df58f;
  border: 1.5px solid rgba(61, 245, 143, 0.55);
  background: linear-gradient(120deg, rgba(10, 209, 115, 0.16), rgba(10, 209, 115, 0.08));
  padding: 11px 22px;
  border-radius: 999px;
  white-space: nowrap;
  text-shadow: 0 0 14px rgba(61, 245, 143, 0.45);
  box-shadow: 0 0 18px rgba(10, 209, 115, 0.22), inset 0 0 12px rgba(10, 209, 115, 0.08);
  animation: wechatGlow 2.6s ease-in-out infinite;
}
@keyframes wechatGlow {
  0%, 100% { box-shadow: 0 0 14px rgba(10, 209, 115, 0.18), inset 0 0 12px rgba(10, 209, 115, 0.08); }
  50% { box-shadow: 0 0 30px rgba(10, 209, 115, 0.42), inset 0 0 12px rgba(10, 209, 115, 0.14); }
}
.footer-wechat {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
  color: #2fce83;
}

/* ============================================================
   成员详情弹窗
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}
.modal.open { opacity: 1; visibility: visible; }

.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(3, 5, 8, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.modal-card {
  position: relative;
  width: min(680px, 100%);
  max-height: 84vh;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--border-glow);
  border-radius: 18px;
  padding: 36px 36px 30px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 201, 167, 0.08);
  transform: translateY(18px) scale(0.97);
  transition: transform 0.32s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.modal.open .modal-card { transform: none; }

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  display: grid;
  place-items: center;
  transition: color 0.2s, border-color 0.2s;
}
.modal-close:hover { color: var(--text); border-color: var(--border-glow); }

.modal-head {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
}
.modal-head .member-avatar {
  width: 92px;
  height: 92px;
  margin: 0;
  flex-shrink: 0;
}
.modal-name {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.modal-head .member-tags {
  justify-content: flex-start;
  margin: 12px 0 0;
  min-height: 0;
}
.modal-head .member-badge { margin-right: 6px; }

.m-section { margin-bottom: 22px; }
.m-section:last-child { margin-bottom: 0; }
.m-section h4 {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}
.m-section ul { list-style: none; display: grid; gap: 9px; }
.m-section li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--muted);
}
.m-section li::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-family: var(--mono);
  font-weight: 700;
}

/* ============================================================
   返回顶部 / Toast
   ============================================================ */
#backTop {
  position: fixed;
  right: 26px;
  bottom: 30px;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border-glow);
  background: rgba(10, 15, 22, 0.9);
  color: var(--green);
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  z-index: 90;
  backdrop-filter: blur(8px);
}
#backTop.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
#backTop:hover { box-shadow: 0 0 20px rgba(0, 232, 133, 0.25); }

#toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translate(-50%, 20px);
  background: var(--grad);
  color: #04110b;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 26px;
  border-radius: 999px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  z-index: 200;
  box-shadow: 0 10px 30px rgba(0, 201, 167, 0.35);
}
#toast.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

/* ============================================================
   滚动进场动画
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track, .glitch::before, .glitch::after, .scroll-hint { animation: none; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 960px) {
  .nav-mail { display: none; }
  .about-body { grid-template-columns: 1fr; gap: 36px; }
  .terminal { position: static; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
}

@media (max-width: 720px) {
  .section { padding: 72px 0; }

  .nav-burger { display: flex; margin-left: auto; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(7, 9, 13, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 14px 6%;
    gap: 2px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  }
  .nav-links.open { opacity: 1; visibility: visible; transform: none; }
  .nav-links a { padding: 13px 10px; font-size: 15.5px; }
  .nav-links a::after { display: none; }

  .skills-grid { grid-template-columns: 1fr; }
  .join-grid { grid-template-columns: 1fr; }
  .join-cta { padding: 30px 24px; }
  .footer-contact { text-align: left; }

  .timeline::before { left: 26px; }
  .tl-item { grid-template-columns: 24px 1fr; row-gap: 0; }
  .tl-year { grid-column: 2; text-align: left; padding-top: 0; }
  .tl-dot { grid-row: 2; margin: 6px auto 0; }
  .tl-card { grid-column: 2; }

  .modal { padding: 14px; }
  .modal-card { padding: 26px 20px; max-height: 88vh; }
  .modal-head { flex-direction: column; text-align: center; gap: 16px; }
  .modal-head .member-tags { justify-content: center; }
}