/* ===================================================================
   Shadowrocket 小火箭 - 奈良鹿园规则工程版
   布局：5:7 封面比，顶部出血色带压住主标题
   竖排侧脊 + 横排正文；上密下疏
   主标题占幅 47%；模块间隙 17pt (22.67px)；安全边 7.5%
   设计：金属铭牌铆钉四角；材质：帆布
   装饰仅侧脊；禁止渐变与投影；圆角 19 / 3 / 15 / 13
   骨架：年份戳 / 主标题 / 底部步骤三字
   关键词「小火箭免费节点2026」；人群前置；信息点 5
   色彩：夜色品红 hsl(284) + 磷光绛红 + 纸色余白
   参考色仅侧脊：#BE83C1 / #458983
   =================================================================== */

:root {
  --night: hsl(284, 28%, 9%);
  --paper: #f7f2f6;
  --canvas: hsl(284, 12%, 88%);
  --ink: hsl(284, 18%, 12%);
  --muted: hsl(284, 8%, 36%);
  --phosphor: hsl(350, 72%, 38%);
  --line: hsl(284, 10%, 52%);
  --gap: 22.67px;
  --safe: 7.5%;
  --radius: 19px 3px 15px 13px;

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

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

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

body {
  background-color: var(--night);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8'%3E%3Crect width='8' height='8' fill='%231a1220'/%3E%3Crect width='4' height='1' fill='%23201628'/%3E%3Crect y='4' x='4' width='4' height='1' fill='%23201628'/%3E%3C/svg%3E");
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
}

.bleed-band {
  width: 100%;
  height: 12px;
  background-color: var(--phosphor);
}

.warn-strip {
  background-color: var(--phosphor);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-align: center;
  padding: 4px 10px;
  text-transform: uppercase;
}

.stage {
  display: grid;
  grid-template-columns: 42px minmax(0, 720px);
  justify-content: center;
  gap: 0;
  padding-bottom: 72px;
}

.spine {
  writing-mode: vertical-rl;
  background-color: #458983;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='42' height='80'%3E%3Crect width='42' height='80' fill='%23458983'/%3E%3Crect x='12' y='8' width='6' height='64' fill='%23BE83C1'/%3E%3Crect x='24' y='16' width='6' height='48' fill='%23BE83C1'/%3E%3C/svg%3E");
  color: #be83c1;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  padding: 16px 8px;
  pointer-events: none;
}

.page-wrap {
  width: 100%;
  padding: 8px 10px 0 10px;
}

.plate {
  position: relative;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px var(--safe) 28px var(--safe);
  margin-bottom: var(--gap);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Crect width='12' height='12' fill='%23f7f2f6'/%3E%3Crect width='12' height='1' fill='%23eee6ee'/%3E%3Crect width='1' height='12' fill='%23eee6ee'/%3E%3C/svg%3E");
}

.plate::before,
.plate::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border: 2px solid var(--ink);
  background-color: var(--canvas);
  border-radius: 50%;
  pointer-events: none;
}

.plate::before { top: 6px; left: 6px; }
.plate::after { top: 6px; right: 6px; }

.rivet-bl, .rivet-br {
  position: absolute;
  width: 8px;
  height: 8px;
  border: 2px solid var(--ink);
  background-color: var(--canvas);
  border-radius: 50%;
  pointer-events: none;
}

.rivet-bl { bottom: 6px; left: 6px; }
.rivet-br { bottom: 6px; right: 6px; }

.site-header .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
}

.brand-logo-wrap {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--canvas);
  color: var(--phosphor);
}

.brand-title { display: block; font-size: 0.88rem; font-weight: 700; }
.brand-subtitle {
  display: block;
  font-size: 0.62rem;
  color: var(--muted);
  font-family: var(--font-mono);
}

.nav-toggle {
  display: none;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px;
  color: var(--ink);
  cursor: pointer;
}

.main-nav { display: flex; align-items: center; gap: 4px; }

.nav-link {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: var(--radius);
}

.nav-link.active,
.nav-link:hover {
  color: var(--ink);
  border: 1px solid var(--line);
  background-color: var(--canvas);
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 0.78rem;
  padding: 8px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--phosphor);
  color: var(--paper);
  border-color: var(--phosphor);
}

.btn-secondary {
  background-color: var(--paper);
  color: var(--ink);
}

.btn-full { width: 100%; }

.hero-board { overflow: visible; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 10px;
  align-items: start;
}

.hero-board .hero-grid { aspect-ratio: 5 / 7; }

.year-stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  border: 2px solid var(--phosphor);
  color: var(--phosphor);
  padding: 2px 8px;
  border-radius: var(--radius);
  margin-bottom: 6px;
  position: relative;
  z-index: 4;
}

.hero-badge-pill {
  display: inline-block;
  font-size: 0.62rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--canvas);
  margin-bottom: 4px;
}

.hero-main-title {
  width: 47%;
  font-size: clamp(1rem, 2vw, 1.5rem);
  line-height: 1.2;
  margin-top: -16px;
  padding-top: 16px;
  color: var(--ink);
  position: relative;
  z-index: 4;
  background-color: var(--paper);
  border-top: 12px solid var(--phosphor);
}

.grad-text { color: var(--ink); background: none; }

.step-trio {
  display: flex;
  gap: 8px;
  margin: 10px 0 8px 0;
}

.step-trio span {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--phosphor);
  color: var(--phosphor);
  font-weight: 700;
  border-radius: var(--radius);
}

.hero-points {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 8px;
}

.hero-point-row { display: flex; gap: 6px; font-size: 0.74rem; }
.hero-check { color: var(--phosphor); font-weight: 700; }
.audience { font-weight: 700; }

.hero-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.platform-mini-hints {
  font-size: 0.62rem;
  font-family: var(--font-mono);
  color: var(--muted);
}

.mock-window {
  background-color: var(--canvas);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 0;
}

.mock-window-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  margin-bottom: 6px;
  color: var(--muted);
}

.mock-status-pill {
  display: flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: var(--radius);
  color: var(--ink);
}

.mock-status-dot {
  width: 6px;
  height: 6px;
  background-color: var(--phosphor);
  border-radius: var(--radius);
}

.mock-chart-wrap {
  border: 1px solid var(--line);
  background-color: var(--paper);
  padding: 4px;
  margin-bottom: 6px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.62rem;
  font-family: var(--font-mono);
  margin-bottom: 2px;
}

.mock-node-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 6px;
}

.mock-node-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  padding: 3px 6px;
  border: 1px solid var(--line);
  background-color: var(--paper);
  border-radius: var(--radius);
}

.mock-node-item.selected {
  background-color: var(--phosphor);
  color: var(--paper);
  border-color: var(--phosphor);
}

.node-name { display: flex; gap: 6px; }

.mock-chips-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.mock-chip {
  border: 1px solid var(--line);
  background-color: var(--paper);
  padding: 4px 6px;
  border-radius: var(--radius);
}

.chip-num { font-size: 0.92rem; font-weight: 700; }
.chip-label { font-size: 0.58rem; color: var(--muted); font-family: var(--font-mono); }

.section-title-wrap { margin-bottom: 8px; }
.section-tag {
  display: block;
  font-size: 0.58rem;
  font-family: var(--font-mono);
  letter-spacing: 0.16em;
  color: var(--phosphor);
  text-transform: uppercase;
}
.section-heading { font-size: 1.05rem; }

.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.platform-card {
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  background-color: var(--canvas);
  border-radius: var(--radius);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.plat-icon-wrap {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--phosphor);
}

.plat-name { font-weight: 700; font-size: 0.82rem; }
.plat-req, .plat-ver {
  font-size: 0.62rem;
  font-family: var(--font-mono);
  color: var(--muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.stat-box {
  border: 1px solid var(--line);
  background-color: var(--canvas);
  border-radius: var(--radius);
  padding: 8px;
}

.stat-val { font-size: 1.35rem; font-weight: 700; color: var(--phosphor); }
.stat-title { font-size: 0.62rem; font-family: var(--font-mono); color: var(--muted); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.feature-card {
  border: 1px solid var(--line);
  background-color: var(--canvas);
  border-radius: var(--radius);
  padding: 10px 10px 22px 10px;
}

.feat-icon-head { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }

.feat-icon-box {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--phosphor);
  background-color: var(--paper);
}

.feat-title { font-size: 0.88rem; }
.feat-solve-label {
  display: block;
  font-size: 0.62rem;
  font-family: var(--font-mono);
  color: var(--phosphor);
  margin-bottom: 4px;
}
.feat-desc { font-size: 0.74rem; color: var(--muted); }

.hash-line {
  font-size: 0.6rem;
  font-family: var(--font-mono);
  color: var(--muted);
  margin: 6px 0;
}
.hash-line.warn { color: var(--phosphor); }

.showcase-visual {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--canvas);
}
.showcase-visual img { display: block; width: 100%; height: auto; }

.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.tech-card {
  border: 1px solid var(--line);
  background-color: var(--canvas);
  border-radius: var(--radius);
  padding: 10px 10px 22px 10px;
}

.tech-card-badge {
  display: inline-block;
  font-size: 0.58rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--phosphor);
  margin-bottom: 8px;
}

.tech-item { display: flex; gap: 8px; margin-bottom: 8px; }
.tech-num { font-family: var(--font-mono); font-size: 0.72rem; color: var(--phosphor); min-width: 24px; }
.tech-item-body h4 { font-size: 0.82rem; margin-bottom: 2px; }
.tech-item-body p { font-size: 0.72rem; color: var(--muted); }

.review-summary-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--line);
  background-color: var(--canvas);
  padding: 8px;
  margin-bottom: 10px;
  border-radius: var(--radius);
}

.score-big { display: block; font-size: 1.1rem; font-weight: 700; color: var(--phosphor); }
.sample-note { font-size: 0.66rem; color: var(--muted); font-family: var(--font-mono); }

.review-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.review-card {
  border: 1px solid var(--line);
  background-color: var(--canvas);
  border-radius: var(--radius);
  padding: 10px 10px 22px 10px;
}

.reviewer-header { display: flex; gap: 8px; margin-bottom: 6px; }

.rev-avatar {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--paper);
  border-radius: var(--radius);
}

.rev-avatar.a1 { background-color: hsl(284, 28%, 28%); }
.rev-avatar.a2 { background-color: hsl(350, 62%, 36%); }
.rev-avatar.a3 { background-color: hsl(284, 14%, 34%); }
.rev-avatar.a4 { background-color: hsl(320, 22%, 32%); }

.rev-meta h5 { font-size: 0.78rem; }
.rev-meta span { font-size: 0.58rem; font-family: var(--font-mono); color: var(--muted); }
.rev-quote { font-size: 0.74rem; margin: 6px 0; }
.rev-footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.58rem;
  font-family: var(--font-mono);
  color: var(--muted);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.trust-card {
  border: 1px solid var(--line);
  background-color: var(--canvas);
  border-radius: var(--radius);
  padding: 10px 10px 22px 10px;
}

.trust-icon { color: var(--phosphor); margin-bottom: 4px; }
.trust-card h5 { font-size: 0.82rem; margin-bottom: 2px; }
.trust-card p { font-size: 0.7rem; color: var(--muted); }

.cmp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.cmp-table { width: 100%; border-collapse: collapse; font-size: 0.72rem; }
.cmp-table th, .cmp-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.cmp-table th { background-color: var(--canvas); font-weight: 700; }
.cmp-table td.hl, .cmp-table th.hl {
  background-color: hsl(284, 18%, 90%);
  font-weight: 700;
}

.cmp-disclaimer {
  font-size: 0.62rem;
  color: var(--muted);
  margin-top: 6px;
  font-family: var(--font-mono);
}

.faq-list { display: flex; flex-direction: column; gap: 6px; }
.faq-item {
  border: 1px solid var(--line);
  background-color: var(--canvas);
  border-radius: var(--radius);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  background: none;
  border: 0;
  padding: 10px;
  font: inherit;
  font-size: 0.82rem;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
}

.faq-icon-arrow { font-size: 0.62rem; color: var(--phosphor); }
.faq-answer {
  display: none;
  padding: 0 10px 10px 10px;
  font-size: 0.74rem;
  color: var(--muted);
}
.faq-item.active .faq-answer { display: block; }

.cta-band {
  background-color: var(--night);
  color: var(--paper);
  border-color: var(--line);
}

.cta-band h3 { font-size: 1.15rem; margin-bottom: 4px; }
.cta-band p { font-size: 0.78rem; margin-bottom: 10px; }
.cta-band .btn-primary {
  background-color: var(--paper);
  color: var(--phosphor);
  border-color: var(--paper);
}
.cta-band .btn-secondary {
  background-color: var(--night);
  color: var(--paper);
  border-color: var(--paper);
}
.cta-band-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.site-footer { font-size: 0.74rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}
.footer-brand h4, .footer-col h5 { margin-bottom: 6px; font-size: 0.82rem; }
.footer-brand p, .footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.72rem;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 4px; }

.footer-seo {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 8px 0;
  font-size: 0.68rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.62rem;
  font-family: var(--font-mono);
  color: var(--muted);
}

.page-wrap > .plate:nth-child(n+6) {
  margin-bottom: calc(var(--gap) * 1.45);
}

@media (max-width: 860px) {
  .stage { grid-template-columns: 1fr; }
  .spine { writing-mode: horizontal-tb; letter-spacing: 0.12em; padding: 8px; text-align: center; }
  .hero-board .hero-grid { aspect-ratio: auto; grid-template-columns: 1fr; }
  .hero-main-title { width: 80%; }
  .platform-grid, .stats-grid, .trust-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid, .tech-grid, .review-grid, .footer-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    display: none;
    position: absolute;
    left: 7.5%;
    right: 7.5%;
    top: 72px;
    flex-direction: column;
    background-color: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 8px;
    z-index: 8;
  }
  .main-nav.open { display: flex; }
  .site-header { position: relative; }
  .site-header .nav-cta { display: none; }
}

@media (max-width: 560px) {
  .platform-grid, .stats-grid, .trust-grid { grid-template-columns: 1fr; }
  .hero-main-title { width: 100%; }
  .footer-bottom { flex-direction: column; }
}