/* ============================================================
   首页专属样式
   ============================================================ */

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}

/* 背景层：夜空渐变 + 煤气灯光晕 */
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 46% 40% at 50% 78%, rgba(201,162,39,0.16) 0%, transparent 62%),
    radial-gradient(ellipse 80% 60% at 20% 15%, rgba(40,52,72,0.55) 0%, transparent 70%),
    radial-gradient(ellipse 70% 55% at 85% 25%, rgba(28,40,58,0.5) 0%, transparent 70%),
    linear-gradient(180deg, #05070a 0%, #0a0d13 42%, #10131a 72%, #08090b 100%);
}

/* 雨丝 */
.rain {
  position: absolute; inset: -10% -10% 0; z-index: 1;
  pointer-events: none;
  opacity: 0.4;
  background-image:
    repeating-linear-gradient(102deg,
      transparent 0 3px,
      rgba(200,214,230,0.075) 3px 4px,
      transparent 4px 9px);
  animation: rainfall 0.62s linear infinite;
}
.rain.slow {
  opacity: 0.22;
  background-image:
    repeating-linear-gradient(99deg,
      transparent 0 6px,
      rgba(200,214,230,0.05) 6px 7px,
      transparent 7px 18px);
  animation-duration: 1.35s;
}
@keyframes rainfall {
  from { transform: translateY(-14%); }
  to   { transform: translateY(0%); }
}

/* 建筑剪影 */
.skyline {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 46vh;
  z-index: 2;
  pointer-events: none;
}
.skyline svg { width: 100%; height: 100%; display: block; }

.hero .fog-layer { z-index: 3; }

.hero-inner {
  position: relative;
  z-index: 5;
  text-align: center;
  padding: 120px 22px 90px;
  width: min(1000px, 92vw);
}

.hero-crest { margin-bottom: 26px; display: flex; justify-content: center; }
.hero-crest svg { filter: drop-shadow(0 0 20px rgba(201,162,39,0.34)); }

.hero-title {
  font-family: var(--f-display);
  font-size: clamp(2.5rem, 8.4vw, 7rem);
  line-height: 0.98;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 12px 0 6px;
  background: linear-gradient(180deg, #fdf6e2 0%, #e5d3a4 42%, #b08e34 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 60px rgba(201,162,39,0.18);
}
.hero-title .thin {
  display: block;
  font-size: 0.34em;
  letter-spacing: 0.52em;
  font-weight: 400;
  margin-bottom: 14px;
  -webkit-text-fill-color: var(--brass);
  color: var(--brass);
  opacity: .9;
}
.hero-cn {
  font-family: var(--f-serif);
  font-size: clamp(1rem, 2.6vw, 1.6rem);
  letter-spacing: 0.5em;
  color: var(--fog-60);
  margin-top: 18px;
  text-indent: 0.5em;
}

.hero-quote {
  margin: 34px auto 0;
  max-width: 640px;
  min-height: 3.4em;
  font-family: var(--f-type);
  font-size: clamp(0.8rem, 1.7vw, 0.98rem);
  color: var(--fog-60);
  line-height: 1.9;
  letter-spacing: 0.02em;
}

.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 40px; }

/* 滚动提示 */
.scroll-hint {
  position: absolute;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: var(--f-type);
  font-size: 0.6rem; letter-spacing: 0.32em;
  color: var(--fog-38); text-transform: uppercase;
}
.scroll-hint i {
  display: block; width: 1px; height: 48px;
  background: linear-gradient(180deg, var(--brass), transparent);
  animation: dropline 2.1s var(--ease) infinite;
  transform-origin: top;
}
@keyframes dropline {
  0% { transform: scaleY(0); opacity: 0; }
  35% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1) translateY(48px); opacity: 0; }
}

/* ---------- 电报条 ---------- */
.ticker {
  border-block: 1px solid var(--fog-08);
  background: rgba(0,0,0,0.42);
  overflow: hidden;
  padding: 13px 0;
  position: relative; z-index: 6;
}
.ticker-track {
  display: flex; gap: 62px;
  width: max-content;
  animation: slide 42s linear infinite;
  font-family: var(--f-type);
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  color: var(--fog-38);
  text-transform: uppercase;
  white-space: nowrap;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-track b { color: var(--brass); font-weight: 400; }
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------- 章节卡片 ---------- */
.chapters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1040px) { .chapters { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .chapters { grid-template-columns: 1fr; } }

.chapter {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  min-height: 400px;
  padding: 30px 26px;
  border: 1px solid var(--fog-08);
  background: linear-gradient(170deg, var(--ink-700), var(--ink-850) 70%);
  overflow: hidden;
  transition: transform .6s var(--ease), border-color .5s, box-shadow .6s;
  display: flex; flex-direction: column;
}
.chapter:hover { transform: translateY(-8px); border-color: var(--brass-600); box-shadow: 0 30px 70px rgba(0,0,0,.62); }
.chapter-glow {
  position: absolute;
  inset: auto -30% -45% -30%;
  height: 70%;
  background: radial-gradient(ellipse at 50% 100%, rgba(201,162,39,0.22), transparent 68%);
  opacity: 0; transition: opacity .6s var(--ease);
  pointer-events: none;
}
.chapter:hover .chapter-glow { opacity: 1; }
.chapter[data-accent="blood"] .chapter-glow { background: radial-gradient(ellipse at 50% 100%, rgba(199,58,44,0.24), transparent 68%); }
.chapter[data-accent="blood"]:hover { border-color: var(--blood); }
.chapter[data-accent="teal"] .chapter-glow { background: radial-gradient(ellipse at 50% 100%, rgba(74,143,139,0.24), transparent 68%); }
.chapter[data-accent="teal"]:hover { border-color: rgba(74,143,139,.7); }

.chapter-no {
  font-family: var(--f-display);
  font-size: 3.6rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(232,220,192,0.20);
  transition: -webkit-text-stroke-color .5s;
}
.chapter:hover .chapter-no { -webkit-text-stroke-color: rgba(201,162,39,0.6); }

.chapter-ico {
  margin: 22px 0 20px;
  color: var(--brass);
  opacity: .82;
  transition: transform .6s var(--ease), opacity .5s;
}
.chapter:hover .chapter-ico { transform: translateY(-3px) scale(1.06); opacity: 1; }
.chapter[data-accent="blood"] .chapter-ico { color: var(--blood-glow); }
.chapter[data-accent="teal"] .chapter-ico { color: var(--teal); }

.chapter h3 { font-size: 1.34rem; margin-bottom: 10px; color: var(--paper-100); }
.chapter p { font-size: 0.9rem; color: var(--fog-38); line-height: 1.8; flex: 1; }
.chapter-go {
  margin-top: 20px;
  display: flex; align-items: center; gap: 10px;
  font-family: var(--f-type); font-size: 0.68rem;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--brass);
}
.chapter-go svg { transition: transform .45s var(--ease); }
.chapter:hover .chapter-go svg { transform: translateX(7px); }

.chapter-badge {
  position: absolute; top: 18px; right: 18px;
  font-family: var(--f-type); font-size: 0.56rem;
  letter-spacing: .18em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 2px;
  border: 1px solid var(--brass-600); color: var(--brass);
  background: rgba(201,162,39,.08);
}
.chapter-badge.done { border-color: var(--teal); color: var(--teal); background: rgba(74,143,139,.1); }

/* ---------- 演绎三步 ---------- */
.method {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--fog-08);
}
@media (max-width: 860px) { .method { grid-template-columns: 1fr; } }
.method-step {
  padding: 44px 34px;
  border-right: 1px solid var(--fog-08);
  position: relative;
  transition: background .5s var(--ease);
}
.method-step:last-child { border-right: none; }
@media (max-width: 860px) {
  .method-step { border-right: none; border-bottom: 1px solid var(--fog-08); }
  .method-step:last-child { border-bottom: none; }
}
.method-step:hover { background: rgba(201,162,39,0.035); }
.method-step .num {
  font-family: var(--f-type);
  font-size: 0.66rem; letter-spacing: .3em;
  color: var(--brass); margin-bottom: 20px; display: block;
}
.method-step h4 { font-size: 1.28rem; margin-bottom: 12px; color: var(--paper-100); }
.method-step p { font-size: 0.9rem; color: var(--fog-38); line-height: 1.85; }
.method-step::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--brass-600), var(--brass));
  transition: width .7s var(--ease);
}
.method-step:hover::after { width: 100%; }

/* ---------- 侦探档案面板 ---------- */
.dossier-panel {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  border: 1px solid var(--fog-18);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-900));
  overflow: hidden;
}
@media (max-width: 900px) { .dossier-panel { grid-template-columns: 1fr; } }
.dossier-left { padding: clamp(32px, 5vw, 54px); }
.dossier-right {
  padding: clamp(32px, 5vw, 54px);
  border-left: 1px solid var(--fog-08);
  background:
    repeating-linear-gradient(0deg, transparent 0 27px, rgba(232,220,192,0.028) 27px 28px),
    rgba(0,0,0,0.28);
}
@media (max-width: 900px) { .dossier-right { border-left: none; border-top: 1px solid var(--fog-08); } }

.rank-badge {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 10px 20px;
  border: 1px solid var(--brass-600);
  background: rgba(201,162,39,0.07);
  border-radius: 2px;
  font-family: var(--f-display);
  letter-spacing: .12em;
  color: var(--brass-100);
  font-size: 1rem;
}
.rank-badge svg { color: var(--brass); }

.stat-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 0;
  border-bottom: 1px dashed var(--fog-08);
  font-size: 0.9rem;
}
.stat-row:last-child { border-bottom: none; }
.stat-row span:first-child { color: var(--fog-38); font-family: var(--f-type); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; }
.stat-row b { font-family: var(--f-display); color: var(--paper-100); font-size: 1.05rem; }
.stat-row b.ok { color: var(--teal); }
.stat-row b.no { color: var(--fog-38); }

.big-pct {
  font-family: var(--f-display);
  font-size: clamp(3.6rem, 10vw, 6.4rem);
  line-height: 1;
  background: linear-gradient(180deg, #fdf6e2, #b08e34);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- 名言墙 ---------- */
.quote-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 940px) { .quote-wall { grid-template-columns: 1fr; } }
.quote-card {
  position: relative;
  padding: 34px 30px 30px;
  border: 1px solid var(--fog-08);
  background: rgba(255,255,255,0.014);
  transition: all .5s var(--ease);
}
.quote-card:hover { border-color: var(--brass-600); background: rgba(201,162,39,0.035); transform: translateY(-4px); }
.quote-card .qm {
  font-family: var(--f-display);
  font-size: 3.4rem; line-height: .6;
  color: var(--brass); opacity: .3; display: block; margin-bottom: 12px;
}
.quote-card p { font-family: var(--f-serif); font-size: 1.1rem; line-height: 1.8; color: var(--fog-100); }
.quote-card cite {
  display: block; margin-top: 18px;
  font-family: var(--f-type); font-style: normal;
  font-size: 0.66rem; letter-spacing: .22em;
  color: var(--brass); text-transform: uppercase;
}

/* ---------- CTA 收束 ---------- */
.final-cta {
  position: relative;
  text-align: center;
  padding: clamp(80px, 13vw, 160px) 0;
  overflow: hidden;
}
.final-cta::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 55% 70% at 50% 50%, rgba(201,162,39,0.10), transparent 70%);
  pointer-events: none;
}
.final-cta .wrap { position: relative; z-index: 2; }