/* ==========================================================================
   一介凡人 · 落地页
   ========================================================================== */

/* ---------------- 卷首 ---------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 118px 0 90px;
  overflow: hidden;
}
.hero-dial {
  position: absolute;
  top: 50%;
  right: -10%;
  width: min(820px, 62vw);
  transform: translateY(-50%);
  opacity: 0.13;
  color: var(--jade-2);
  pointer-events: none;
}
.hero-mountains {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 32vh;
  pointer-events: none;
  z-index: 0;
}
.hero-mountains svg {
  width: 100%;
  height: 100%;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.hero-kicker {
  font-family: var(--kai);
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--cinnabar-2);
  margin-bottom: 22px;
}
.hero-title {
  font-size: clamp(96px, 14vw, 196px);
  line-height: 0.92;
  letter-spacing: 0.02em;
  margin: 0 0 34px;
  color: var(--paper);
}
.hero-title .line1 {
  display: block;
  font-family: var(--kai);
  font-size: 0.3em;
  line-height: 1;
  letter-spacing: 0.55em;
  color: var(--text-soft);
  margin-bottom: 0.16em;
  padding-left: 0.08em;
}
.hero-title .line2 {
  position: relative;
  display: inline-block;
  letter-spacing: 0.04em;
}
.hero-title .title-seal {
  position: absolute;
  right: -0.52em;
  bottom: 0.28em;
  width: 0.18em;
  height: 0.18em;
  display: grid;
  place-items: center;
  background: var(--cinnabar);
  color: #f6ecda;
  font-family: var(--kai);
  font-size: 0.14em;
  letter-spacing: 0;
  line-height: 1;
  transform: rotate(-3deg);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}
.hero-lede {
  max-width: 31em;
  font-size: 15px;
  line-height: 2.1;
  color: var(--text-soft);
  margin-bottom: 38px;
}
.counters {
  display: flex;
  gap: clamp(28px, 4vw, 64px);
  margin-bottom: 40px;
}
.counter strong {
  display: block;
  font-family: var(--latin);
  font-size: clamp(34px, 4vw, 46px);
  font-weight: 400;
  line-height: 1;
  color: var(--paper);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}
.counter span {
  display: block;
  margin-top: 9px;
  font-family: var(--kai);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.hero-cta .btn--primary {
  padding: 1.05em 2.4em;
  font-size: 16px;
  letter-spacing: 0.3em;
}
.hero-note {
  font-family: var(--kai);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* 投胎签 */
.fate-slip {
  position: relative;
  width: min(100%, 408px);
  margin-left: auto;
  background: var(--paper);
  color: var(--paper-ink);
  padding: 26px 30px 24px;
  box-shadow: var(--shadow-3);
  transform: rotate(-1.1deg);
  background-image:
    radial-gradient(circle at 88% 4%, rgba(174, 68, 48, 0.07), transparent 46%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='p'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23p)' opacity='0.32'/%3E%3C/svg%3E");
}
.fate-slip::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(25, 29, 23, 0.22);
  pointer-events: none;
}
.slip-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--kai);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--paper-muted);
  border-bottom: 1px solid var(--line-ink);
  padding-bottom: 10px;
  margin-bottom: 18px;
}
.fate-slip h2 {
  font-size: 27px;
  letter-spacing: 0.08em;
  margin-bottom: 7px;
}
.slip-sub {
  font-family: var(--kai);
  font-size: 11.5px;
  line-height: 1.8;
  color: var(--paper-muted);
  margin-bottom: 16px;
}
.world-pick {
  border-top: 1px solid var(--line-ink);
}
.world-row {
  position: relative;
  display: grid;
  grid-template-columns: 50px 1fr 56px;
  gap: 10px;
  align-items: center;
  padding: 9px 4px;
  border-bottom: 1px solid var(--line-ink);
  cursor: pointer;
  transition: background var(--dur);
}
.world-row input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.world-row:hover {
  background: rgba(25, 29, 23, 0.04);
}
.world-row:has(input:checked) {
  background: rgba(25, 29, 23, 0.07);
  box-shadow: inset 2px 0 0 var(--cinnabar);
}
.world-row:has(input:focus-visible) {
  outline: 2px solid var(--cinnabar);
  outline-offset: -2px;
}
.wr-name {
  font-family: var(--kai);
  font-size: 14px;
  letter-spacing: 0.14em;
}
.wr-bar {
  height: 4px;
  background: rgba(25, 29, 23, 0.12);
  overflow: hidden;
}
.wr-bar i {
  display: block;
  height: 100%;
  background: var(--cinnabar);
  opacity: 0.72;
  transition: width 600ms var(--ease);
}
.wr-pct {
  font-family: var(--latin);
  font-size: 12px;
  text-align: right;
  color: var(--paper-muted);
  font-variant-numeric: tabular-nums;
}
.world-row:has(input:checked) .wr-pct {
  color: var(--cinnabar);
}
.slip-pace {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  font-size: 11px;
  color: var(--paper-muted);
}
.pace-pick {
  display: flex;
  gap: 4px;
}
.pace-pick button {
  border: 1px solid rgba(25, 29, 23, 0.22);
  padding: 4px 8px;
  font-family: var(--kai);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--paper-muted);
}
.pace-pick button.on {
  background: var(--paper-ink);
  color: var(--paper);
  border-color: var(--paper-ink);
}
.slip-cta {
  display: flex;
  margin-top: 18px;
  --btn-bg: var(--paper-ink);
  --btn-fg: var(--paper);
  --btn-bd: var(--paper-ink);
  letter-spacing: 0.3em;
}
.slip-cta:hover {
  background: #2b3128;
  border-color: #2b3128;
  color: var(--paper);
}
.slip-note {
  margin: 12px 0 0;
  font-family: var(--kai);
  font-size: 10.5px;
  line-height: 1.8;
  color: var(--paper-muted);
  padding-right: 34px;
}
.slip-seal {
  position: absolute;
  right: 22px;
  bottom: 18px;
  width: 30px;
  height: 30px;
  font-size: 16px;
  opacity: 0.9;
}

/* 三界条 */
.ribbon {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
  font-family: var(--kai);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--muted);
}
.ribbon .wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}
.ribbon i {
  width: 28px;
  height: 1px;
  background: var(--line-2);
}
.ribbon b {
  font-weight: 400;
  color: var(--text-soft);
  letter-spacing: 0.18em;
  margin-left: 10px;
}

/* ---------------- 章节 ---------------- */
.section {
  padding: var(--section-y) 0;
  position: relative;
}
section[id],
header[id] {
  scroll-margin-top: 86px;
}
.section--rules {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(233, 227, 211, 0.018), transparent 30%);
}
.section-lede {
  max-width: 44em;
  font-size: 15px;
  line-height: 2.05;
  color: var(--text-soft);
  margin-bottom: clamp(36px, 5vw, 64px);
}

/* 三界 */
.realms {
  display: grid;
  grid-template-columns: 1fr 72px 1fr 72px 1fr;
  align-items: stretch;
  gap: 0;
}
.realm {
  --r: var(--jade-2);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  padding: 30px 12px 26px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.realm--human {
  --r: #8ba98a;
}
.realm--spirit {
  --r: #9db1dc;
}
.realm--immortal {
  --r: #dcc182;
}
.realm-glyph {
  font-family: var(--kai);
  font-size: 68px;
  line-height: 1;
  color: var(--r);
  opacity: 0.85;
  padding-top: 4px;
}
.realm-tag {
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--r);
  margin-bottom: 8px;
}
.realm-body h3 {
  font-size: 32px;
  letter-spacing: 0.14em;
  margin-bottom: 6px;
}
.realm-where {
  font-family: var(--kai);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 14px;
}
.realm-text {
  font-size: 13.5px;
  line-height: 2;
  color: var(--text-soft);
  min-height: 9.5em;
}
.realm-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.realm-facts dt {
  font-family: var(--kai);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted-2);
  margin-bottom: 3px;
}
.realm-facts dd {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-soft);
}
.ascension {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--muted-2);
  font-family: var(--kai);
  font-size: 10px;
  letter-spacing: 0.18em;
}
.ascension span {
  writing-mode: vertical-rl;
}
.ascension i {
  width: 1px;
  height: 72px;
  background: linear-gradient(180deg, transparent, var(--line-2), transparent);
}

/* 法门 */
.rules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 40px;
}
.rule {
  padding: 26px 0 30px;
  border-top: 1px solid var(--line);
}
.rule-glyph {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-2);
  font-family: var(--kai);
  font-size: 18px;
  color: var(--realm);
  margin-bottom: 16px;
}
.rule h3 {
  font-size: 17px;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.rule p {
  font-size: 13px;
  line-height: 1.95;
  color: var(--muted);
  margin: 0;
  max-width: 30em;
}
.rule-quote {
  margin-top: clamp(48px, 6vw, 80px);
  text-align: center;
}
.rule-quote p {
  font-family: var(--kai);
  font-size: clamp(19px, 2.4vw, 27px);
  letter-spacing: 0.08em;
  color: var(--text);
  line-height: 1.9;
  margin-bottom: 12px;
}
.rule-quote span {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted-2);
}

/* 碑林 */
.stele-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.stele {
  position: relative;
  min-height: 330px;
  padding: 22px 20px 18px;
  background:
    linear-gradient(165deg, rgba(233, 227, 211, 0.06), transparent 55%),
    linear-gradient(180deg, #1b201a, #12160f);
  border: 1px solid #2b3229;
  color: var(--text-soft);
  display: flex;
  flex-direction: column;
  transition:
    transform 400ms var(--ease),
    border-color 400ms var(--ease),
    box-shadow 400ms var(--ease);
}
.stele::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(233, 227, 211, 0.05);
  pointer-events: none;
}
.stele:hover {
  transform: translateY(-5px);
  border-color: var(--line-3);
  box-shadow: var(--shadow-2);
}
.stele-top {
  display: flex;
  justify-content: space-between;
  font-family: var(--kai);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--muted-2);
  margin-bottom: 22px;
}
.stele-name {
  font-size: 26px;
  letter-spacing: 0.14em;
  color: var(--paper);
  margin-bottom: 4px;
}
.stele-sub {
  font-family: var(--kai);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 18px;
}
.stele-line {
  font-family: var(--kai);
  font-size: 13px;
  line-height: 1.95;
  color: var(--text-soft);
  flex: 1;
}
.stele-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  font-family: var(--kai);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--muted-2);
}
.stele-foot b {
  font-family: var(--latin);
  font-weight: 400;
  font-size: 12px;
  color: var(--text-soft);
  letter-spacing: 0;
}
.hall-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

/* 终章 */
.section--final {
  padding: clamp(110px, 14vw, 200px) 0 clamp(90px, 12vw, 160px);
  text-align: center;
}
.final-wrap {
  max-width: 760px;
}
.final-kicker {
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--cinnabar-2);
  margin-bottom: 22px;
}
.final-title {
  font-size: clamp(44px, 7vw, 88px);
  letter-spacing: 0.08em;
  line-height: 1.15;
  margin-bottom: 26px;
}
.final-text {
  font-size: 14.5px;
  line-height: 2.1;
  color: var(--text-soft);
  margin-bottom: 40px;
}
.final-cta {
  display: flex;
  gap: 22px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.final-cta .btn--primary {
  padding: 1.1em 2.8em;
  font-size: 16px;
  letter-spacing: 0.4em;
}

/* 响应式 */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 54px;
  }
  .fate-slip {
    margin: 0 auto;
    transform: rotate(-0.6deg);
  }
  .hero-dial {
    right: -30%;
    width: 90vw;
    opacity: 0.08;
  }
  .realms {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .ascension {
    flex-direction: row;
    padding: 8px 0;
  }
  .ascension span {
    writing-mode: horizontal-tb;
  }
  .ascension i {
    width: 72px;
    height: 1px;
  }
  .rules {
    grid-template-columns: 1fr 1fr;
  }
  .stele-row {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 720px) {
  .hero {
    padding-top: 96px;
  }
  .hero-title {
    font-size: clamp(74px, 22vw, 130px);
  }
  .hero-lede {
    font-size: 14px;
  }
  .counters {
    gap: 26px;
  }
  .counter strong {
    font-size: 32px;
  }
  .fate-slip {
    padding: 24px 22px 22px;
  }
  .slip-pace {
    flex-wrap: wrap;
  }
  .pace-pick {
    flex-wrap: wrap;
  }
  .ribbon b {
    width: 100%;
    text-align: center;
    margin-left: 0;
  }
  .realm {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .realm-glyph {
    font-size: 44px;
  }
  .rules {
    grid-template-columns: 1fr;
  }
  .stele-row {
    grid-template-columns: 1fr;
  }
  .stele {
    min-height: 260px;
  }
}