/* ===================================================================
   Shadowrocket 小火箭 - 光州双年展行李标签工程版
   布局：4:5 竖构图，环形留白，标题沿内圆左齐
   顶端齐头底端自由，只留地不留天
   主标题占幅 61%；模块间隙 17pt (22.67px)；安全边 6.0%
   设计：行李标签挂绳构图；材质：铜版纸高光；装饰仅出现在页眉
   禁止渐变与投影；圆角 17 / 9 / 21 / 17
   骨架：超大主标题 / 中英对照副行 / 三枚标签
   关键词「小火箭VPN」；动作后置；信息点 3
   色彩：浅底葵黄薄洗 hsl(49) + 墨字 + 分割线松绿
   参考色 #63993B / #253899
   =================================================================== */

:root {
  --wash: #f6edc4;
  --sheet: #fff8d6;
  --gloss: #fffbeb;
  --ink: #1a160c;
  --body: #3a3426;
  --muted: #6a6148;
  --pine: #63993b;
  --indigo: #253899;
  --line: #63993b;

  --gap: 22.67px;
  --safe: 6%;
  --radius: 17px 9px 21px 17px;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Consolas", monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  text-shadow: none !important;
  box-shadow: none !important;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--wash);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--wash);
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
}

/* 4:5 竖构图：顶端齐头，只留地不留天 */
.page-outer-ring {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 0 6% 10% 6%;
}

.inner-round {
  border-left: 1.5px solid var(--pine);
  border-right: 1.5px solid var(--pine);
  border-bottom: 1.5px solid var(--pine);
  border-top: none;
  padding: 0 0 8px 0;
}

.tag-card {
  background-color: var(--sheet);
  border: 1.5px solid var(--pine);
  border-radius: var(--radius);
  padding: 14px var(--safe) 18px var(--safe);
  margin-bottom: var(--gap);
}

.exhibit-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1.5px solid var(--pine);
  padding-bottom: 5px;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.exhibit-no { color: var(--indigo); font-weight: 800; }

.action-post { color: var(--indigo); font-weight: 800; margin-left: 4px; }
.kw-mark { color: var(--indigo); font-weight: 800; }

.bilingual {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 6px 0 10px 0;
  max-width: 78%;
}
.bilingual-cn { font-size: 0.92rem; color: var(--body); font-weight: 700; }
.bilingual-en {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.trio-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.trio-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--ink);
  border: 1.5px solid var(--pine);
  background-color: var(--gloss);
  border-radius: var(--radius);
  padding: 4px 10px;
}

/* —— 装饰只出现在页眉：行李挂绳 + 吊牌孔 —— */
.site-header {
  position: relative;
  margin-top: 0;
  margin-bottom: var(--gap);
  padding-top: 54px;
}
.lanyard {
  position: absolute;
  top: 0;
  left: 50%;
  width: 54px;
  height: 54px;
  margin-left: -27px;
  pointer-events: none;
}
.lanyard-strap {
  position: absolute;
  top: 0;
  width: 10px;
  height: 40px;
  background-color: var(--indigo);
}
.lanyard-strap.left { left: 12px; }
.lanyard-strap.right { right: 12px; }
.lanyard-bar {
  position: absolute;
  top: 0;
  left: 8px;
  right: 8px;
  height: 8px;
  background-color: var(--pine);
}
.lanyard-stitches {
  position: absolute;
  top: 10px;
  left: 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.lanyard-stitches i {
  display: block;
  width: 26px;
  height: 2px;
  background-color: var(--wash);
}
.tag-eyelet {
  position: absolute;
  top: 36px;
  left: 50%;
  width: 18px;
  height: 18px;
  margin-left: -9px;
  border: 3px solid var(--indigo);
  border-radius: 50%;
  background-color: var(--wash);
  pointer-events: none;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.brand-group {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.brand-logo-wrap {
  width: 32px;
  height: 32px;
  background-color: var(--indigo);
  border: 1.5px solid var(--pine);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gloss);
}
.brand-title { font-size: 1rem; font-weight: 800; color: var(--ink); }
.brand-subtitle { display: block; font-size: 0.64rem; color: var(--muted); font-family: var(--font-mono); }
.main-nav { display: flex; align-items: center; gap: 14px; }
.nav-link {
  color: var(--body);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 700;
  padding: 3px 2px;
  border-bottom: 2px solid transparent;
}
.nav-link:hover, .nav-link.active {
  color: var(--indigo);
  border-bottom-color: var(--pine);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--indigo);
  color: var(--gloss);
  font-weight: 800;
  font-size: 0.82rem;
  text-decoration: none;
  padding: 7px 14px;
  border-radius: var(--radius);
  border: 1.5px solid var(--pine);
  cursor: pointer;
  white-space: nowrap;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--gloss);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.82rem;
  text-decoration: none;
  padding: 7px 12px;
  border-radius: var(--radius);
  border: 1.5px solid var(--pine);
  cursor: pointer;
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--pine);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 5px 7px;
  cursor: pointer;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 16px;
  align-items: start;
}
.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  background-color: var(--gloss);
  border: 1.5px solid var(--pine);
  color: var(--indigo);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  border-radius: var(--radius);
}
.hero-main-title {
  font-size: 2.05rem;
  line-height: 1.18;
  font-weight: 800;
  color: var(--ink);
  margin: 8px 0 4px 0;
  max-width: 61%;
  text-align: left;
}
.hero-points {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}
.hero-point-row {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 0.84rem;
  color: var(--body);
  padding: 6px 8px;
  background-color: var(--gloss);
  border: 1.5px solid var(--pine);
  border-radius: var(--radius);
}
.hero-check { color: var(--pine); font-weight: 800; flex-shrink: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.platform-mini-hints { font-size: 0.7rem; color: var(--muted); font-family: var(--font-mono); }

.mock-window {
  background-color: var(--gloss);
  border: 1.5px solid var(--pine);
  border-radius: var(--radius);
  padding: 10px;
}
.mock-window-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--muted);
  margin-bottom: 8px;
}
.mock-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--pine);
  font-weight: 800;
}
.mock-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--pine);
}
.mock-chart-wrap { margin-bottom: 8px; }
.chart-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.66rem;
  color: var(--muted);
  font-family: var(--font-mono);
  margin-bottom: 4px;
}
.mock-node-list { display: flex; flex-direction: column; gap: 4px; }
.mock-node-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  padding: 5px 7px;
  border: 1.5px solid var(--pine);
  border-radius: var(--radius);
  color: var(--body);
  background-color: var(--sheet);
}
.mock-node-item.selected { color: var(--ink); border-color: var(--indigo); }
.node-name { display: flex; gap: 6px; }
.node-ping { font-family: var(--font-mono); color: var(--indigo); }
.mock-chips-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 8px;
}
.mock-chip {
  border: 1.5px solid var(--pine);
  border-radius: var(--radius);
  padding: 7px;
  text-align: center;
  background-color: var(--sheet);
}
.chip-num { font-size: 1.05rem; font-weight: 800; color: var(--indigo); }
.chip-label { font-size: 0.62rem; color: var(--muted); font-family: var(--font-mono); }

.section-title-wrap { margin-bottom: 10px; }
.section-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  color: var(--indigo);
  font-weight: 800;
  margin-bottom: 3px;
}
.section-heading {
  font-size: 1.12rem;
  color: var(--ink);
  font-weight: 800;
  max-width: 61%;
  text-align: left;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}
.platform-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1.5px solid var(--pine);
  background-color: var(--gloss);
  border-radius: var(--radius);
  padding: 10px 8px;
}
.plat-icon-wrap { color: var(--indigo); margin-bottom: 4px; }
.plat-name { font-size: 0.86rem; font-weight: 800; color: var(--ink); }
.plat-req { font-size: 0.66rem; color: var(--muted); }
.plat-ver { font-size: 0.66rem; color: var(--pine); font-family: var(--font-mono); margin-top: 3px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.stat-box {
  border: 1.5px solid var(--pine);
  background-color: var(--gloss);
  border-radius: var(--radius);
  padding: 12px 8px;
  text-align: center;
}
.stat-val { font-size: 1.28rem; font-weight: 800; color: var(--indigo); }
.stat-title { font-size: 0.66rem; color: var(--muted); font-family: var(--font-mono); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.feature-card {
  border: 1.5px solid var(--pine);
  background-color: var(--gloss);
  border-radius: var(--radius);
  padding: 12px;
}
.feat-icon-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.feat-icon-box {
  width: 28px; height: 28px;
  border: 1.5px solid var(--pine);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--indigo);
  flex-shrink: 0;
}
.feat-title { font-size: 0.9rem; color: var(--ink); font-weight: 800; }
.feat-solve-label {
  display: block;
  font-size: 0.66rem;
  color: var(--indigo);
  font-family: var(--font-mono);
  margin-bottom: 4px;
}
.feat-desc { font-size: 0.8rem; color: var(--body); line-height: 1.45; }

.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tech-card {
  border: 1.5px solid var(--pine);
  background-color: var(--gloss);
  border-radius: var(--radius);
  padding: 12px;
}
.tech-card-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: var(--indigo);
  font-weight: 800;
  margin-bottom: 8px;
}
.tech-item { display: flex; gap: 8px; margin-bottom: 8px; }
.tech-item:last-child { margin-bottom: 0; }
.tech-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--pine);
  font-weight: 800;
  min-width: 24px;
}
.tech-item-body h4 { font-size: 0.86rem; color: var(--ink); margin-bottom: 2px; }
.tech-item-body p { font-size: 0.78rem; color: var(--body); }

.review-summary-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1.5px solid var(--pine);
  border-radius: var(--radius);
  padding: 8px 10px;
  margin-bottom: 8px;
  background-color: var(--gloss);
}
.score-big { font-size: 1.12rem; font-weight: 800; color: var(--indigo); margin-right: 6px; }
.review-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.review-card {
  border: 1.5px solid var(--pine);
  background-color: var(--gloss);
  border-radius: var(--radius);
  padding: 12px;
}
.reviewer-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.rev-avatar {
  width: 28px; height: 28px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: var(--gloss);
}
.a1 { background-color: var(--indigo); }
.a2 { background-color: var(--pine); }
.a3 { background-color: var(--ink); }
.a4 { background-color: var(--muted); }
.rev-meta h5 { font-size: 0.82rem; color: var(--ink); font-weight: 800; }
.rev-meta span { font-size: 0.64rem; color: var(--muted); }
.rev-quote { font-size: 0.8rem; color: var(--body); line-height: 1.45; margin-bottom: 6px; }
.rev-footer {
  display: flex; justify-content: space-between;
  font-size: 0.64rem; color: var(--muted); font-family: var(--font-mono);
  border-top: 1.5px solid var(--pine); padding-top: 5px;
}

.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.trust-card {
  border: 1.5px solid var(--pine);
  background-color: var(--gloss);
  border-radius: var(--radius);
  padding: 12px 6px;
  text-align: center;
}
.trust-icon { margin-bottom: 5px; color: var(--indigo); }
.trust-card h5 { font-size: 0.8rem; color: var(--ink); margin-bottom: 3px; font-weight: 800; }
.trust-card p { font-size: 0.68rem; color: var(--muted); }

.cmp-table-wrap {
  overflow-x: auto;
  border: 1.5px solid var(--pine);
  border-radius: var(--radius);
}
.cmp-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.78rem; }
.cmp-table th, .cmp-table td { padding: 7px 10px; border-bottom: 1.5px solid var(--pine); }
.cmp-table th {
  background-color: var(--gloss);
  color: var(--ink);
  font-weight: 800;
  font-family: var(--font-mono);
}
.cmp-table td { background-color: var(--sheet); color: var(--body); }
.cmp-table .hl {
  background-color: var(--gloss) !important;
  color: var(--indigo);
  font-weight: 800;
  border-left: 2px solid var(--indigo);
  border-right: 2px solid var(--indigo);
}
.cmp-table tr:last-child td { border-bottom: none; }
.cmp-disclaimer { font-size: 0.66rem; color: var(--muted); margin-top: 6px; font-family: var(--font-mono); }

.faq-list { display: flex; flex-direction: column; gap: 6px; }
.faq-item {
  border: 1.5px solid var(--pine);
  background-color: var(--gloss);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: 10px 12px;
  background: none;
  border: none;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.faq-icon-arrow { color: var(--indigo); flex-shrink: 0; }
.faq-item.active .faq-icon-arrow { transform: rotate(180deg); }
.faq-answer {
  display: none;
  padding: 0 12px 10px 12px;
  font-size: 0.8rem;
  color: var(--body);
  line-height: 1.5;
  border-top: 1px dashed var(--pine);
  padding-top: 7px;
}
.faq-item.active .faq-answer { display: block; }

.cta-band {
  text-align: left;
  background-color: var(--ink);
  border-color: var(--ink);
}
.cta-band .exhibit-meta { border-bottom-color: var(--pine); color: #cfc6a4; }
.cta-band h3 { font-size: 1.28rem; color: var(--gloss); font-weight: 800; margin-bottom: 6px; max-width: 61%; }
.cta-band p { font-size: 0.84rem; color: #d8d0b4; margin-bottom: 12px; }
.cta-band-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1.5px solid var(--pine);
}
.footer-brand h4 { font-size: 0.96rem; color: var(--ink); margin-bottom: 5px; font-weight: 800; }
.footer-brand p { font-size: 0.74rem; color: var(--muted); line-height: 1.45; }
.footer-col h5 {
  font-size: 0.74rem;
  color: var(--indigo);
  font-family: var(--font-mono);
  margin-bottom: 6px;
  text-transform: uppercase;
  font-weight: 800;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.footer-links a { color: var(--body); text-decoration: none; font-size: 0.74rem; }
.footer-links a:hover { color: var(--indigo); }
.footer-seo {
  padding: 10px 0;
  border-bottom: 1.5px solid var(--pine);
  font-size: 0.7rem;
  color: var(--muted);
  line-height: 1.5;
}
.footer-seo strong { color: var(--ink); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0 4px;
  font-size: 0.66rem;
  color: var(--muted);
  font-family: var(--font-mono);
}

.showcase-visual {
  border: 1.5px solid var(--pine);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--gloss);
  margin-top: 10px;
}
.showcase-visual img { display: block; width: 100%; height: auto; object-fit: cover; }

@media (max-width: 900px) {
  .hero-main-title { max-width: 100%; font-size: 1.55rem; }
  .hero-grid, .tech-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .platform-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-grid, .trust-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background-color: var(--sheet);
    border: 1.5px solid var(--pine);
    border-radius: var(--radius);
    flex-direction: column;
    padding: 8px;
    z-index: 100;
  }
  .site-header { position: relative; }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .feature-grid, .platform-grid, .trust-grid, .review-grid, .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 5px; text-align: center; }
}