/* ============================================================
   GO-STOCK // CYBERPUNK UI v2.0
   Neon · Grid · Glitch · HUD
   ============================================================ */

:root {
  --bg: #05060f;
  --bg-deep: #03040a;
  --bg-alt: #0a0d1a;
  --card: rgba(12, 18, 35, 0.72);
  --card-solid: #0c1223;
  --card-hover: #111a33;
  --border: rgba(0, 240, 255, 0.18);
  --border-bright: rgba(0, 240, 255, 0.5);
  --text: #e8f4ff;
  --text-muted: #6e7d99;
  --cyan: #00f0ff;
  --cyan-dim: #008b9e;
  --magenta: #ff2d97;
  --purple: #a855f7;
  --green: #00ff9d;
  --yellow: #ffd60a;
  --orange: #ff7b00;
  --danger: #ff3860;
  --radius: 2px;
  --glow-cyan: 0 0 8px rgba(0, 240, 255, 0.6), 0 0 20px rgba(0, 240, 255, 0.35);
  --glow-magenta: 0 0 8px rgba(255, 45, 151, 0.6), 0 0 20px rgba(255, 45, 151, 0.35);
  --font-mono: "JetBrains Mono", "Share Tech Mono", "Consolas", monospace;
  --font-display: "Orbitron", "Rajdhani", sans-serif;
  --font-body: "Rajdhani", "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.7;
  letter-spacing: .02em;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  /* 建立独立层叠上下文：body::before/::after(-2) 与 .particles-bg(-1)
     在 body 内部排序，避免 Firefox 下负 z-index 上升到根上下文
     与背景层竞争绘制顺序导致粒子被不透明背景盖住不可见 */
  isolation: isolate;
}

/* ---- Background layers ---- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 70% 55% at 75% -5%, rgba(0, 240, 255, 0.12), transparent 60%),
    radial-gradient(ellipse 50% 45% at 15% 100%, rgba(255, 45, 151, 0.08), transparent 60%),
    radial-gradient(ellipse 40% 40% at 90% 80%, rgba(168, 85, 247, 0.06), transparent 60%),
    var(--bg-deep);
}

/* perspective grid floor */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(0, 240, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.5) 50%, transparent 100%);
}

/* 全屏粒子网络背景（cyber.js 注入，所有页面生效）
   层叠：-2 背景渐变/网格 → -1 粒子 → 0+ 页面内容 */
.particles-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  opacity: .55;
  display: block;
}

/* scanline overlay */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0) 0,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.12) 3px,
    rgba(0, 0, 0, 0) 4px
  );
  mix-blend-mode: overlay;
  opacity: .55;
  /* 提升为独立合成层，避免跑马灯动画时全屏混合重绘掉帧 */
  transform: translateZ(0);
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
a { color: var(--cyan); text-decoration: none; transition: all .15s; }
a:hover { color: #fff; text-shadow: var(--glow-cyan); }
.muted { color: var(--text-muted); }

/* ---- Selection ---- */
::selection { background: var(--cyan); color: var(--bg-deep); }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(3, 4, 10, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(0, 240, 255, 0.1), 0 4px 24px rgba(0, 0, 0, 0.6);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 50%, transparent);
  opacity: .5;
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  font-family: var(--font-display);
  font-size: 19px; font-weight: 800;
  letter-spacing: .12em;
  color: var(--text);
  text-transform: uppercase;
  display: flex; align-items: center;
}
.logo-mark {
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
}
.logo-rest { color: var(--text); }
.logo-rest::before { content: ""; }
.logo::after {
  content: "_";
  color: var(--magenta);
  animation: blink 1.1s steps(1) infinite;
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .14em;
  position: relative;
  padding: 4px 0;
}
.nav-links a::before {
  content: "// ";
  color: var(--cyan-dim);
  opacity: .5;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  /* 建立独立层叠上下文：::before 光晕的负 z-index 在节内解析，
     不与全屏粒子层（body 上的 .particles-bg）竞争绘制顺序 */
  isolation: isolate;
  padding: 110px 0 90px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 30% 30%, rgba(0, 240, 255, 0.14), transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 60%, rgba(255, 45, 151, 0.08), transparent 60%);
  z-index: -1;
}
/* Hero 双栏：左文案 + 右 AI 机器人 */
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .9fr);
  gap: 48px;
  align-items: center;
}
.hero-copy { min-width: 0; }
.hero-visual { position: relative; display: flex; justify-content: center; }
/* ===== Hero 3D 芯片（等距视角 CSS 3D，无边框悬浮） ===== */
.chip-scene {
  position: relative;
  width: min(420px, 100%);
  height: 500px;
  perspective: 1100px;
}
.chip-float {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  animation: chip-float 6s ease-in-out infinite;
}
.chip-3d {
  position: absolute;
  top: 46%;
  left: 50%;
  width: 230px;
  height: 230px;
  margin: -115px 0 0 -115px;
  transform: rotateX(56deg) rotateZ(-45deg);
  transform-style: preserve-3d;
  animation: chip-sway 12s ease-in-out infinite;
}
.chip-3d > div { position: absolute; }
/* 底面 BGA 焊球阵列 */
.chip-bga {
  inset: 10px;
  transform: translateZ(-14px);
  background-image: radial-gradient(circle 2.6px, #5b6a9e 97%, transparent);
  background-size: 15px 15px;
  background-position: 3px 3px;
}
/* 四面侧壁（芯片厚度 14px） */
.chip-side { background: linear-gradient(#232a52, #0d1026); }
.side-n { left: 0; right: 0; top: 0; height: 14px; transform-origin: top; transform: rotateX(-90deg); }
.side-s { left: 0; right: 0; bottom: 0; height: 14px; transform-origin: bottom; transform: rotateX(90deg); }
.side-w { top: 0; bottom: 0; left: 0; width: 14px; transform-origin: left; transform: rotateY(90deg); }
.side-e { top: 0; bottom: 0; right: 0; width: 14px; transform-origin: right; transform: rotateY(-90deg); }
/* 封装基板（顶面） */
.chip-base {
  inset: 0;
  border-radius: 4px;
  background: linear-gradient(135deg, #232a52 0%, #161b3c 55%, #0e1228 100%);
  box-shadow:
    inset 0 0 0 1px rgba(110, 130, 200, .22),
    inset 0 0 30px rgba(70, 100, 220, .10),
    0 0 34px rgba(90, 140, 255, .10);
}
.chip-base::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 4px;
  background-image:
    linear-gradient(rgba(90, 120, 220, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 120, 220, .05) 1px, transparent 1px);
  background-size: 14px 14px;
}
.chip-dot {
  position: absolute;
  left: 14px; top: 14px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ffe9a3, #d4a017);
  box-shadow: 0 0 6px rgba(255, 214, 10, .5);
}
.chip-brand {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -62%);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .32em;
  color: #d9e8ff;
  text-shadow: 0 0 10px rgba(90, 160, 255, .95), 0 0 26px rgba(90, 160, 255, .45), 0 1px 0 rgba(0, 0, 0, .7);
  white-space: nowrap;
}
.chip-model {
  position: absolute;
  left: 50%; bottom: 17px;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 7.5px;
  letter-spacing: .2em;
  color: #7186b8;
  white-space: nowrap;
}
/* 顶层雷达扫光 */
.chip-sweep {
  inset: 26px;
  transform: translateZ(84px);
  border-radius: 3px;
  overflow: hidden;
}
.chip-sweep::before {
  content: "";
  position: absolute;
  inset: -100%;
  background: conic-gradient(from 0deg, transparent 0 72%, rgba(110, 170, 255, .18) 84%, rgba(160, 210, 255, .05) 90%, transparent 96%);
  animation: chip-sweep 4.5s linear infinite;
}
/* 多层 die 堆叠（各层四角有 TSV 连接焊盘） */
.chip-layer {
  inset: 26px;
  border-radius: 3px;
  background:
    radial-gradient(circle at 14px 14px, rgba(150, 190, 255, .6) 0 2.5px, transparent 4px),
    radial-gradient(circle at calc(100% - 14px) 14px, rgba(150, 190, 255, .6) 0 2.5px, transparent 4px),
    radial-gradient(circle at 14px calc(100% - 14px), rgba(150, 190, 255, .6) 0 2.5px, transparent 4px),
    radial-gradient(circle at calc(100% - 14px) calc(100% - 14px), rgba(150, 190, 255, .6) 0 2.5px, transparent 4px),
    linear-gradient(rgba(70, 120, 220, .10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(70, 120, 220, .10) 1px, transparent 1px),
    linear-gradient(135deg, rgba(19, 28, 56, .92), rgba(9, 14, 30, .92));
  background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%, 12px 12px, 12px 12px, 100% 100%;
}
/* 第一层：青蓝 */
.chip-layer.l1 {
  transform: translateZ(22px);
  box-shadow:
    inset 0 0 0 1px rgba(90, 160, 255, .42),
    0 3px 0 rgba(22, 34, 66, .95),
    0 6px 12px rgba(0, 0, 0, .5),
    0 0 16px rgba(80, 140, 255, .14);
  animation: chip-layer-blink 3.2s ease-in-out infinite;
}
/* 第二层：蓝紫 */
.chip-layer.l2 {
  transform: translateZ(42px);
  box-shadow:
    inset 0 0 0 1px rgba(150, 130, 255, .42),
    0 3px 0 rgba(28, 24, 62, .95),
    0 6px 12px rgba(0, 0, 0, .5),
    0 0 16px rgba(140, 110, 255, .14);
  animation: chip-layer-blink 3.2s ease-in-out 1.1s infinite;
}
/* 第三层：品红 */
.chip-layer.l3 {
  transform: translateZ(62px);
  box-shadow:
    inset 0 0 0 1px rgba(246, 113, 167, .42),
    0 3px 0 rgba(58, 24, 46, .95),
    0 6px 12px rgba(0, 0, 0, .5),
    0 0 16px rgba(246, 113, 167, .16);
  animation: chip-layer-blink 3.2s ease-in-out 2.2s infinite;
}
/* 顶层 LOGO 面 */
.chip-top {
  inset: 26px;
  transform: translateZ(82px);
  border-radius: 3px;
  background: linear-gradient(135deg, #1c2547, #111631);
  box-shadow:
    inset 0 0 0 1px rgba(120, 165, 255, .48),
    inset 0 0 26px rgba(70, 110, 220, .12),
    0 3px 0 rgba(24, 34, 68, .95),
    0 6px 14px rgba(0, 0, 0, .55),
    0 0 26px rgba(90, 140, 255, .18);
}
/* 顶部玻璃反光 */
.chip-glass {
  inset: 26px;
  transform: translateZ(86px);
  border-radius: 3px;
  background: linear-gradient(115deg, rgba(160, 220, 255, .10) 0%, transparent 30%, transparent 62%, rgba(255, 160, 220, .05) 100%);
}
/* 垂直能量辉光（向观察者方向） */
.chip-beam {
  inset: 34px;
  transform: translateZ(100px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(130, 190, 255, .14), transparent 68%);
  animation: chip-breathe 3s ease-in-out infinite;
}
.chip-beam.beam-2 {
  inset: 6px;
  transform: translateZ(116px);
  background: radial-gradient(circle, rgba(150, 120, 255, .10), transparent 65%);
  animation-delay: 1.4s;
}
/* 底部光晕 */
.chip-glow {
  position: absolute;
  left: 50%;
  bottom: 64px;
  width: 300px; height: 64px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(170, 110, 255, .32), rgba(90, 60, 180, .10) 55%, transparent 72%);
  filter: blur(10px);
  animation: chip-breathe 6s ease-in-out infinite;
}
/* 上升粒子 */
.chip-particles span {
  position: absolute;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: #8ac6ff;
  filter: blur(.5px);
  opacity: 0;
  animation: chip-rise 4s linear infinite;
}
.chip-particles span:nth-child(odd) { background: #e59ad0; }
.chip-particles span:nth-child(1) { left: 18%; bottom: 120px; }
.chip-particles span:nth-child(2) { left: 32%; bottom: 100px; animation-delay: 1.3s; }
.chip-particles span:nth-child(3) { left: 45%; bottom: 130px; animation-delay: 2.6s; }
.chip-particles span:nth-child(4) { left: 58%; bottom: 95px; animation-delay: .7s; }
.chip-particles span:nth-child(5) { left: 70%; bottom: 125px; animation-delay: 2s; }
.chip-particles span:nth-child(6) { left: 82%; bottom: 105px; animation-delay: 3.2s; }
.chip-particles span:nth-child(7) { left: 26%; bottom: 140px; animation-delay: 1.8s; }
.chip-particles span:nth-child(8) { left: 76%; bottom: 135px; animation-delay: .4s; }
@keyframes chip-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes chip-sway {
  0%, 100% { transform: rotateX(56deg) rotateZ(-45deg); }
  50% { transform: rotateX(52deg) rotateZ(-38deg); }
}
@keyframes chip-sweep { to { transform: rotate(360deg); } }
@keyframes chip-layer-blink {
  0%, 100% { filter: brightness(.92); opacity: 1; }
  50% { filter: brightness(1.18); opacity: .82; }
}
@keyframes chip-breathe {
  0%, 100% { opacity: .55; }
  50% { opacity: 1; }
}
@keyframes chip-rise {
  0% { transform: translateY(0) scale(.6); opacity: 0; }
  12% { opacity: .85; }
  100% { transform: translateY(-210px) scale(1.15); opacity: 0; }
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .chip-scene { width: min(320px, 78%); height: 400px; }
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green);
  letter-spacing: .3em;
  text-transform: uppercase;
  margin-bottom: 18px;
  display: inline-flex; align-items: center; gap: 8px;
}
.hero-eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .4; } }

.hero-title {
  font-family: var(--font-display);
  font-size: 64px;
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.05;
  text-transform: uppercase;
  position: relative;
  color: var(--text);
}
.hero-title .accent {
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.4));
}
/* glitch */
.glitch {
  position: relative;
  display: inline-block;
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  clip-path: inset(0 0 0 0);
}
.glitch::before {
  color: var(--magenta);
  animation: glitch-1 3s infinite linear alternate-reverse;
  z-index: -1;
}
.glitch::after {
  color: var(--cyan);
  animation: glitch-2 2.4s infinite linear alternate-reverse;
  z-index: -2;
}
@keyframes glitch-1 {
  0%, 92% { transform: translate(0); opacity: 0; }
  93% { transform: translate(-3px, 1px); opacity: .8; clip-path: inset(20% 0 40% 0); }
  96% { transform: translate(2px, -1px); opacity: .8; clip-path: inset(60% 0 10% 0); }
  100% { transform: translate(0); opacity: 0; }
}
@keyframes glitch-2 {
  0%, 90% { transform: translate(0); opacity: 0; }
  91% { transform: translate(2px, -1px); opacity: .8; clip-path: inset(40% 0 30% 0); }
  94% { transform: translate(-2px, 1px); opacity: .8; clip-path: inset(10% 0 70% 0); }
  100% { transform: translate(0); opacity: 0; }
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--cyan);
  margin-top: 16px;
  font-weight: 500;
  text-shadow: var(--glow-cyan);
}
.hero-desc {
  color: var(--text-muted);
  margin-top: 20px;
  font-size: 17px;
  max-width: 640px;
}
.hero-actions { margin-top: 38px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-actions .btn { padding: 11px 20px; white-space: nowrap; }
/* 中等视口（双栏仍生效）收紧按钮，保证四按钮同行 */
@media (max-width: 1280px) and (min-width: 981px) {
  .hero-actions { gap: 10px; }
  .hero-actions .btn { padding: 11px 14px; font-size: 12px; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .2s;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), #0099b8);
  color: var(--bg-deep);
  box-shadow: var(--glow-cyan);
  border-color: var(--cyan);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #33f5ff, var(--cyan));
  box-shadow: 0 0 14px rgba(0, 240, 255, 0.9), 0 0 32px rgba(0, 240, 255, 0.5);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--cyan);
  border-color: var(--border-bright);
}
.btn-ghost:hover {
  background: rgba(0, 240, 255, 0.08);
  border-color: var(--cyan);
  text-shadow: var(--glow-cyan);
  box-shadow: inset 0 0 14px rgba(0, 240, 255, 0.15);
}
.btn-magenta {
  background: transparent;
  color: var(--magenta);
  border-color: rgba(255, 45, 151, 0.5);
}
.btn-magenta:hover {
  background: rgba(255, 45, 151, 0.1);
  border-color: var(--magenta);
  text-shadow: var(--glow-magenta);
}
.btn-gold {
  background: linear-gradient(135deg, #ffd700, #ffb347);
  color: #241a00;
  border-color: rgba(255, 215, 0, 0.6);
  box-shadow: 0 0 12px rgba(255, 200, 0, 0.25);
}
.btn-gold:hover {
  background: linear-gradient(135deg, #ffe14d, #ffc267);
  box-shadow: 0 0 16px rgba(255, 200, 0, 0.45), 0 0 34px rgba(255, 180, 0, 0.2);
  transform: translateY(-1px);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 72px 0; position: relative; }
.section-alt {
  background: linear-gradient(180deg, rgba(10, 13, 26, 0.5), rgba(5, 6, 15, 0.5));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 32px;
  display: inline-flex; align-items: center; gap: 14px;
}
.section-title::before {
  content: "";
  width: 4px; height: 28px;
  background: linear-gradient(180deg, var(--cyan), var(--magenta));
  box-shadow: var(--glow-cyan);
}
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 32px; }
.section-head .section-title { margin-bottom: 0; }
.link-more {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.link-more:hover { text-shadow: var(--glow-cyan); }

/* ============================================================
   FEATURE CARDS (HUD style)
   ============================================================ */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 20px; }
.feature-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 28px;
  backdrop-filter: blur(6px);
  transition: all .25s;
  overflow: hidden;
}
/* corner brackets */
.feature-card::before, .feature-card::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 1.5px solid var(--cyan);
  transition: all .25s;
}
.feature-card::before { top: 6px; left: 6px; border-right: none; border-bottom: none; }
.feature-card::after { bottom: 6px; right: 6px; border-left: none; border-top: none; }
.feature-card:hover {
  border-color: var(--border-bright);
  background: rgba(0, 240, 255, 0.04);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 240, 255, 0.12), inset 0 0 20px rgba(0, 240, 255, 0.05);
}
.feature-card:hover::before, .feature-card:hover::after {
  width: 20px; height: 20px;
  border-color: var(--magenta);
  box-shadow: var(--glow-magenta);
}
.feature-icon {
  font-size: 30px;
  margin-bottom: 14px;
  display: inline-flex;
  filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.4));
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--text);
}
.feature-card p { color: var(--text-muted); font-size: 14px; }
/* HUD index */
.feature-card .idx {
  position: absolute;
  top: 10px; right: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan-dim);
  letter-spacing: .1em;
}

/* ============================================================
   MODEL TABLE
   ============================================================ */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); }
.model-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 13px; }
.model-table th, .model-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.model-table th {
  color: var(--cyan);
  font-weight: 600;
  background: rgba(0, 240, 255, 0.04);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 11px;
}
.model-table tr { transition: background .15s; }
.model-table tbody tr:hover { background: rgba(0, 240, 255, 0.04); }
.model-table tbody tr:hover td:first-child { color: var(--cyan); }

/* ============================================================
   TAGS
   ============================================================ */
.tag {
  display: inline-block;
  padding: 2px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius);
}
.tag-ok {
  background: rgba(0, 255, 157, 0.08);
  border-color: rgba(0, 255, 157, 0.4);
  color: var(--green);
  text-shadow: 0 0 6px rgba(0, 255, 157, 0.4);
}
.tag-stock {
  background: rgba(255, 214, 10, 0.08);
  border-color: rgba(255, 214, 10, 0.4);
  color: var(--yellow);
}

/* ============================================================
   REPORT CARDS (home grid)
   ============================================================ */
.report-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.report-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 22px;
  color: var(--text);
  transition: all .25s;
  overflow: hidden;
}
.report-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .25s;
}
.report-card:hover {
  border-color: var(--border-bright);
  background: rgba(0, 240, 255, 0.03);
  transform: translateX(2px);
}
.report-card:hover::before { transform: scaleY(1); transform-origin: top; }
.report-card-title {
  font-size: 15px; font-weight: 600;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.report-card-meta { margin-top: 14px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.report-card-date {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 11px;
  margin-left: auto;
}

/* ============================================================
   PAGE HEAD (reports / detail)
   ============================================================ */
.page-head {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(10, 13, 26, 0.6), transparent);
  position: relative;
}
.page-head::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: .4;
}
.page-head h1 {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.page-head p {
  color: var(--text-muted);
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.search-form { margin-top: 24px; display: flex; gap: 12px; }
.search-form input {
  flex: 1; max-width: 480px;
  padding: 11px 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  background: var(--card-solid);
  border: 1px solid var(--border);
  color: var(--text);
  outline: none;
  transition: all .2s;
}
.search-form input::placeholder { color: var(--text-muted); }
.search-form input:focus {
  border-color: var(--cyan);
  box-shadow: var(--glow-cyan);
  background: rgba(0, 240, 255, 0.03);
}

/* ============================================================
   REPORT LIST
   ============================================================ */
.report-list { display: flex; flex-direction: column; gap: 14px; }
.report-item {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 22px 26px;
  color: var(--text);
  transition: all .2s;
  position: relative;
}
.report-item::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0; width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transition: transform .25s;
}
.report-item:hover {
  border-color: var(--border-bright);
  background: rgba(0, 240, 255, 0.03);
}
.report-item:hover::before { transform: scaleY(1); }
.report-item-main { flex: 1; min-width: 0; }
.report-item-title { font-size: 17px; font-weight: 600; }
.report-item-summary {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.report-item-meta {
  margin-top: 10px;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}
.report-item-arrow {
  color: var(--cyan);
  font-size: 20px;
  font-family: var(--font-mono);
  transition: transform .2s;
}
.report-item:hover .report-item-arrow {
  transform: translateX(4px);
  text-shadow: var(--glow-cyan);
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination { margin-top: 36px; display: flex; align-items: center; gap: 16px; justify-content: center; }
.page-btn {
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  border: 1px solid var(--border);
  color: var(--text);
  letter-spacing: .08em;
  transition: all .2s;
}
.page-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
}
.page-info {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 13px;
}

/* ============================================================
   DETAIL
   ============================================================ */
.link-back {
  font-family: var(--font-mono);
  font-size: 13px;
  display: inline-block;
  margin-bottom: 18px;
  color: var(--cyan);
  letter-spacing: .08em;
}
.detail-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: .02em;
}

/* ============================================================
   MARKDOWN BODY
   ============================================================ */
.markdown-body {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 40px 44px;
  font-size: 15px;
  position: relative;
  backdrop-filter: blur(6px);
}
.markdown-body::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta), var(--cyan));
  background-size: 200% 100%;
  animation: border-flow 4s linear infinite;
}
@keyframes border-flow { to { background-position: 200% 0; } }

.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
  font-family: var(--font-display);
  margin: 26px 0 14px;
  line-height: 1.4;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.25);
}
.markdown-body h1 { font-size: 24px; }
.markdown-body h2 { font-size: 20px; }
.markdown-body h3 { font-size: 17px; border-bottom: none; }
.markdown-body p { margin: 12px 0; }
.markdown-body ul, .markdown-body ol { margin: 12px 0 12px 26px; }
.markdown-body li { margin: 5px 0; }
.markdown-body blockquote {
  border-left: 3px solid var(--magenta);
  background: rgba(255, 45, 151, 0.05);
  padding: 12px 18px;
  margin: 14px 0;
  color: var(--text-muted);
}
.markdown-body code {
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border);
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}
.markdown-body pre {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  padding: 16px 18px;
  overflow-x: auto;
  margin: 14px 0;
}
.markdown-body pre code {
  background: none; border: none; padding: 0; color: var(--text);
}
.markdown-body table {
  width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px;
  display: block; overflow-x: auto;
}
.markdown-body th, .markdown-body td { border: 1px solid var(--border); padding: 9px 13px; text-align: left; }
.markdown-body th { background: rgba(0, 240, 255, 0.05); color: var(--cyan); }
.markdown-body hr { border: none; border-top: 1px solid var(--border); margin: 22px 0; }
.markdown-body strong { color: #fff; font-weight: 700; }
.markdown-body a { color: var(--cyan); border-bottom: 1px solid var(--cyan-dim); }

/* ============================================================
   EMPTY
   ============================================================ */
.empty {
  text-align: center;
  padding: 80px 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.empty h1 {
  font-family: var(--font-display);
  color: var(--cyan);
  font-size: 56px;
  text-shadow: var(--glow-cyan);
  letter-spacing: .1em;
}

/* ============================================================
   DOWNLOAD
   ============================================================ */
.download-row { display: flex; gap: 16px; flex-wrap: wrap; }
.download-meta {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.download-alt {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}
.download-alt a { color: var(--cyan); text-decoration: none; }
.download-alt a:hover { text-decoration: underline; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  position: relative;
  background: rgba(3, 4, 10, 0.6);
}
.site-footer::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--magenta), var(--cyan), transparent);
  opacity: .4;
}
.site-footer p { margin: 5px 0; }
.disclaimer { opacity: .7; }
.footer-sig {
  font-family: var(--font-mono);
  color: var(--cyan-dim);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* ============================================================
   TICKER BAR (above hero)
   ============================================================ */
.ticker-bar {
  padding-top: 24px;
  position: relative;
  z-index: 2;
}

/* ============================================================
   TLINE CHART SECTION (below hero, full-width)
   ============================================================ */
.section-tline {
  padding-top: 10px;
}
.chart-card-xl {
  min-height: 0;
}
.chart-canvas-xl {
  width: 100%;
  height: 460px;
}

/* index ticker */
.index-ticker {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(0, 240, 255, 0.03);
  padding: 12px 0;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}
.index-ticker::before, .index-ticker::after {
  content: "";
  position: absolute;
  width: 80px;
  top: 0; bottom: 0;
  z-index: 2;
  pointer-events: none;
}
.index-ticker::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg-deep), transparent);
}
.index-ticker::after {
  right: 0;
  background: linear-gradient(-90deg, var(--bg-deep), transparent);
}
.ticker-track {
  display: flex;
  width: max-content;
  align-items: center;
  animation: ticker-scroll 40s linear infinite;
  will-change: transform;
}
.ticker-track.is-static { animation: none; }
.ticker-track:hover { animation-play-state: paused; }
@keyframes ticker-scroll {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}
/* 每份内容一个分组，组尾 padding 与组间距一致，保证 -50% 精确对齐实现无缝循环 */
.ticker-group {
  display: flex;
  align-items: center;
  gap: 48px;
  padding-right: 48px;
  white-space: nowrap;
}
.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .05em;
}
.ticker-name {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text);
  font-size: 13px;
  letter-spacing: .08em;
}
.ticker-price { color: var(--text); font-weight: 600; }
.ticker-change { font-weight: 700; font-size: 13px; }
.ticker-up { color: var(--danger); }
.ticker-down { color: var(--green); }
.ticker-flat { color: var(--text-muted); }
.ticker-skeleton {
  font-family: var(--font-mono);
  color: var(--cyan);
  padding-left: 100px;
  animation: pulse 1.2s ease-in-out infinite;
}

/* chart row */
.chart-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 18px;
}
@media (max-width: 980px) {
  .chart-row { grid-template-columns: 1fr; }
}

.chart-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 14px;
  backdrop-filter: blur(6px);
  transition: all .25s;
}
.chart-card::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px; right: -1px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--magenta), transparent);
  opacity: .6;
}
.chart-card-lg { min-height: 0; }
.chart-card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 8px 30px rgba(0, 240, 255, 0.08);
}
.chart-card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.chart-card-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: .1em;
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 10px;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.dot-cyan { background: var(--cyan); box-shadow: var(--glow-cyan); animation: pulse 1.5s infinite; }
.dot-magenta { background: var(--magenta); box-shadow: var(--glow-magenta); animation: pulse 1.5s infinite .5s; }
.chart-card-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  padding: 2px 8px;
  border: 1px solid var(--border);
  letter-spacing: .08em;
}
.chart-canvas { width: 100%; height: 380px; }
@media (max-width: 640px) {
  .chart-canvas { height: 300px; }
}

/* 市场广度统计条：热度 / 成交额 / 涨跌 / 涨跌停 */
.market-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}
.mstat {
  flex: 1 1 180px;
  min-width: 160px;
  border: 1px solid var(--border);
  background: rgba(0, 240, 255, 0.02);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mstat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: .1em;
}
.mstat-value {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.2;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.mstat-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}
.mstat-sub.up, .mstat-value .up { color: var(--danger); }
.mstat-sub.down, .mstat-value .down { color: var(--green); }
.mstat-value .sep {
  font-style: normal;
  color: var(--text-muted);
  font-weight: 400;
  font-size: 15px;
}
.mstat-heat-hot { color: var(--danger); text-shadow: 0 0 12px rgba(255, 56, 96, 0.5); }
.mstat-heat-warm { color: var(--cyan); }
.mstat-heat-cold { color: var(--green); }
@media (max-width: 640px) {
  .mstat { flex: 1 1 calc(50% - 12px); }
  .mstat-value { font-size: 17px; }
}

.market-note {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 10px 14px;
  border-left: 2px solid var(--yellow);
  background: rgba(255, 214, 10, 0.05);
  color: var(--text-muted);
}

/* ---- 试用码领取弹窗 ---- */
.trial-modal-mask {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(3, 4, 10, 0.82);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.trial-modal-mask[hidden] { display: none; }
.trial-modal {
  width: 100%;
  max-width: 640px;
  background: var(--card-solid);
  border: 1px solid var(--border-bright);
  box-shadow: var(--glow-cyan), 0 24px 60px rgba(0, 0, 0, 0.6);
  position: relative;
}
.trial-modal::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
}
.trial-modal-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.trial-modal-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--cyan);
  text-transform: uppercase;
  flex: 1;
}
.trial-modal-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
  width: 32px;
  height: 32px;
  cursor: pointer;
  border-radius: var(--radius);
  transition: color .2s, border-color .2s;
}
.trial-modal-close:hover { color: var(--danger); border-color: var(--danger); }
.trial-modal-body { padding: 20px; }
.trial-tip {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 14px;
}
.trial-code-box {
  display: flex;
  gap: 10px;
  align-items: stretch;
  border: 1px solid var(--border);
  background: rgba(0, 240, 255, 0.04);
  padding: 12px 14px;
  margin-bottom: 12px;
}
.trial-code-box code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green);
  word-break: break-all;
  line-height: 1.6;
  text-shadow: 0 0 8px rgba(0, 255, 157, 0.35);
  align-self: center;
}
.trial-copy-btn { flex-shrink: 0; padding: 8px 16px; font-size: 12px; }
.trial-note {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.trial-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 14px 0 6px;
}
.trial-captcha-row {
  display: flex;
  gap: 10px;
  align-items: center;
}
.trial-captcha-img {
  width: 160px;
  height: 52px;
  border: 1px solid var(--border);
  cursor: pointer;
  flex-shrink: 0;
  image-rendering: pixelated;
}
.trial-input {
  width: 100%;
  box-sizing: border-box;
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 10px 12px;
  border-radius: var(--radius);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.trial-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.25);
}
.trial-captcha-row .trial-input { flex: 1; letter-spacing: .3em; text-transform: uppercase; }
.trial-send-btn {
  margin-top: 10px;
  width: 100%;
  padding: 10px 16px;
  font-size: 13px;
}
.trial-send-btn:disabled { opacity: .5; cursor: not-allowed; }
.trial-actions { margin-top: 16px; }
.trial-claim-btn { width: 100%; padding: 12px 16px; font-size: 14px; }
.trial-claim-btn:disabled { opacity: .5; cursor: not-allowed; }
.trial-error {
  margin-top: 12px;
  font-size: 13px;
  color: var(--danger);
  font-family: var(--font-mono);
  border-left: 2px solid var(--danger);
  background: rgba(255, 61, 87, 0.06);
  padding: 8px 12px;
}
@media (max-width: 480px) {
  .trial-code-box { flex-direction: column; }
  .trial-copy-btn { width: 100%; }
  .trial-captcha-row { flex-wrap: wrap; }
  .trial-captcha-img { width: 100%; }
}

/* ---- 赞助支付页 ---- */
.pay-section { padding-top: 48px; }
.pay-container { max-width: 860px; }
.pay-desc {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.pay-plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.pay-plan-card {
  border: 1px solid var(--border);
  background: var(--card-solid);
  padding: 20px 18px;
  cursor: pointer;
  position: relative;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.pay-plan-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  opacity: 0;
  transition: opacity .2s;
}
.pay-plan-card:hover { border-color: var(--border-bright); transform: translateY(-2px); }
.pay-plan-card.selected {
  border-color: var(--magenta);
  box-shadow: var(--glow-magenta, 0 0 18px rgba(255, 0, 214, .18));
}
.pay-plan-card.selected::before { opacity: 1; }
.pay-plan-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--text);
  margin-bottom: 10px;
}
.pay-plan-price {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 900;
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(0, 240, 255, .4);
  margin-bottom: 6px;
}
.pay-plan-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.pay-plan-paytag {
  margin-top: 8px;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 77, 200, .45);
  color: var(--magenta);
  background: rgba(255, 77, 200, .08);
}
.pay-form-card {
  background: var(--card-solid);
  border: 1px solid var(--border);
  position: relative;
}
.pay-form-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
}
.pay-form-inner { padding: 24px; max-width: 520px; }
.pay-submit-btn { width: 100%; padding: 12px 16px; font-size: 14px; }
.pay-submit-btn:disabled { opacity: .5; cursor: not-allowed; }
.pay-status-line {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cyan);
  margin-bottom: 14px;
}
.pay-status-line.pay-status-ok { color: var(--green); text-shadow: 0 0 10px rgba(0, 255, 157, .4); }
.pay-support-note { margin-top: 10px; }
.pay-qq-link {
  color: var(--magenta);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.pay-qq-link:hover { text-shadow: var(--glow-magenta); }
/* 收款码兜底（在线支付不可用时展示） */
.pay-qrcode-row {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin: 14px 0 4px;
  flex-wrap: wrap;
}
.pay-qrcode-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim, #9aa4b2);
  letter-spacing: .08em;
}
.pay-qrcode-item img {
  width: 168px;
  height: 168px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(0, 245, 212, .35);
  background: #fff;
  box-shadow: 0 0 18px rgba(0, 245, 212, .12);
}
@media (max-width: 480px) {
  .pay-form-inner { padding: 16px; }
  .pay-plans { grid-template-columns: 1fr; }
  .pay-qrcode-row { gap: 16px; }
  .pay-qrcode-item img { width: 132px; height: 132px; }
}

/* 版本功能对比表（普通版 vs VIP 版） */
.pay-compare { margin-bottom: 28px; }
.pay-compare-title {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--magenta);
  letter-spacing: .1em;
  margin-bottom: 12px;
}
.pay-compare-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  background: var(--card-solid);
}
.pay-compare-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 13px;
}
.pay-compare-table th,
.pay-compare-table td {
  padding: 9px 14px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.pay-compare-table th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}
.pay-compare-table th.vip-col-head { color: var(--magenta); }
.pay-compare-table th:first-child,
.pay-compare-table td:first-child {
  text-align: left;
  color: var(--text);
}
.pay-compare-table tbody tr:last-child td { border-bottom: none; }
.pay-compare-table tbody tr:hover td { background: rgba(0, 240, 255, .05); }
.pay-compare-table td.c-ok { color: var(--green); font-weight: 700; }
.pay-compare-table td.c-no { color: var(--text-muted); }
.pay-compare-table td.c-txt { color: var(--text-muted); font-size: 12px; }
.pay-compare-table td.c-hl { color: var(--cyan); font-weight: 700; }
.vip2-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 0 6px;
  border: 1px solid var(--magenta);
  color: var(--magenta);
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 16px;
  letter-spacing: .08em;
  border-radius: 3px;
  vertical-align: 1px;
}
.pay-compare-note {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.pay-warn-tip {
  margin-top: 10px;
  padding: 10px 14px;
  border: 1px solid #f5c518;
  border-left: 4px solid #f5c518;
  background: rgba(245, 197, 24, .08);
  color: #f5c518;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;
}
.pay-warn-tip b {
  color: #ffd700;
  text-shadow: 0 0 8px rgba(255, 215, 0, .35);
}
/* 最新 VIP 功能更新 */
.pay-new { margin-bottom: 28px; }
.pay-new-title {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--magenta);
  letter-spacing: .1em;
  margin-bottom: 12px;
}
.pay-new-list {
  margin: 0;
  padding: 6px 0;
  list-style: none;
  border: 1px solid var(--border);
  background: var(--card-solid);
}
.pay-new-list li {
  padding: 8px 16px;
  font-size: 13px;
  color: var(--text);
  border-bottom: 1px dashed var(--border);
}
.pay-new-list li:last-child { border-bottom: none; }
.pay-new-list li::before {
  content: "▸ ";
  color: var(--cyan);
  font-family: var(--font-mono);
}
@media (max-width: 480px) {
  .pay-compare-table { font-size: 12px; }
  .pay-compare-table th,
  .pay-compare-table td { padding: 8px 10px; }
}


/* ============================================================
   DECORATIVE
   ============================================================ */
.divider-cyber {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-bright), transparent);
  margin: 48px 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .hero-title { font-size: 40px; }
  .hero-sub { font-size: 17px; }
  .markdown-body { padding: 26px 20px; }
  .nav-links { gap: 18px; }
  .section-title { font-size: 24px; }
  .page-head h1 { font-size: 26px; }
  .detail-title { font-size: 22px; }
  .chart-canvas-xl { height: 380px; }
}

@media (max-width: 640px) {
  .chart-canvas { height: 300px; }
  .chart-canvas-xl { height: 340px; }
}

@media (max-width: 480px) {
  .hero { padding: 32px 0 30px; }
  .hero-title { font-size: 32px; }
  .nav-wrap { height: 56px; }
  .logo { font-size: 16px; }
  .nav-links a { font-size: 11px; }
  .nav-links a::before { content: ""; }
  .feature-card { padding: 22px; }
  .btn { padding: 10px 20px; font-size: 12px; }
  .chart-canvas-xl { height: 300px; }
  .ticker-bar { padding-top: 16px; }
}