/* ============================================================
   奇怪星球 Wonder Planet · 作品介绍页
   视觉语言：深空蓝 + 水彩纸 + 金色星光 + 手绘绶带
   ============================================================ */

@font-face {
  font-family: "ZCOOL KuaiLe";
  src: url("../fonts/zcool-kuaile-subset.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "LXGW WenKai";
  src: url("../fonts/lxgw-wenkai-subset.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --night: #060a18;
  --night-2: #0a1128;
  --night-3: #101d46;
  --ink: #f8f3e6;
  --ink-soft: rgba(248, 243, 230, 0.7);
  --ink-faint: rgba(248, 243, 230, 0.58);
  --gold: #f4c874;
  --gold-2: #ffe4a8;
  --gold-deep: #d89d4a;
  --coral: #ff7a59;
  --rose: #ffb3c7;
  --mint: #8fe7d3;
  --sky: #8abfff;
  --paper: #f8eed5;
  --paper-2: #ead8b4;
  --paper-ink: #2c2317;
  --stamp: #c54d45;
  --font-display: "ZCOOL KuaiLe", "LXGW WenKai", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "LXGW WenKai", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --shell: 1240px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background: var(--night);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 50% -10%, #1b2f6c 0%, rgba(16, 29, 70, 0.7) 28%, transparent 58%),
    radial-gradient(circle at 88% 18%, rgba(89, 55, 133, 0.34) 0%, transparent 38%),
    radial-gradient(circle at 8% 74%, rgba(34, 91, 137, 0.22) 0%, transparent 42%),
    linear-gradient(180deg, #080e22 0%, #060a18 46%, #050813 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.2;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.42'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

[hidden] {
  display: none !important;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

section[id],
footer[id] {
  scroll-margin-top: 96px;
}

button {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
p,
figure,
blockquote {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

::selection {
  background: var(--gold);
  color: #1c160b;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
  border-radius: 4px;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 1em;
  height: 1em;
  fill: currentColor;
  flex: none;
}

.shell {
  width: min(var(--shell), calc(100% - 96px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 300;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--gold);
  color: #1c160b;
  font-size: 13px;
  transform: translateY(-160%);
  transition: transform 0.3s var(--ease);
}

.skip-link:focus {
  transform: none;
}

/* ---------- 星空背景 ---------- */
.sky {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

#starfield {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.nebula {
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.34;
  mix-blend-mode: screen;
  animation: nebula-drift 28s ease-in-out infinite alternate;
}

.nebula--a {
  top: -22vw;
  left: -10vw;
  background: radial-gradient(circle, rgba(103, 76, 190, 0.5) 0%, rgba(51, 70, 142, 0.2) 45%, transparent 70%);
}

.nebula--b {
  top: 34vh;
  right: -26vw;
  background: radial-gradient(circle, rgba(207, 100, 92, 0.32) 0%, rgba(120, 53, 101, 0.18) 42%, transparent 70%);
  animation-delay: -9s;
}

.sky-grain {
  position: absolute;
  inset: 0;
  opacity: 0.14;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

@keyframes nebula-drift {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to { transform: translate3d(3%, 2%, 0) scale(1.08); }
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  padding: 22px 0;
  transition: padding 0.4s var(--ease), background 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  padding: 13px 0;
  background: rgba(5, 9, 21, 0.72);
  border-bottom-color: rgba(248, 243, 230, 0.08);
  backdrop-filter: blur(18px) saturate(130%);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #2a1e09;
  background: radial-gradient(circle at 34% 28%, #fff1bd 0%, var(--gold) 42%, #d99a3f 100%);
  box-shadow: 0 0 22px rgba(244, 200, 116, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.7);
}

.brand-mark .icon {
  width: 17px;
  height: 17px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0.06em;
}

.brand-text em {
  margin-top: 3px;
  font-style: normal;
  font-size: 8px;
  letter-spacing: 0.28em;
  color: var(--ink-faint);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}

.site-nav a {
  position: relative;
  font-size: 13.5px;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
  transition: color 0.3s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(248, 243, 230, 0.2);
  border-radius: 999px;
  background: rgba(10, 18, 40, 0.45);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  backdrop-filter: blur(10px);
  transition: border-color 0.3s ease, color 0.3s ease, transform 0.3s var(--ease);
}

.header-cta .icon {
  width: 14px;
  height: 14px;
}

.header-cta:hover {
  color: var(--ink);
  border-color: rgba(244, 200, 116, 0.55);
  transform: translateY(-1px);
}

/* ---------- 按钮 ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 26px;
  border: 0;
  border-radius: 999px;
  font-size: 14.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s ease, background 0.35s ease, border-color 0.35s ease;
}

.btn .icon {
  width: 17px;
  height: 17px;
}

.btn--gold {
  color: #2a1d08;
  background: linear-gradient(135deg, #ffe6aa 0%, var(--gold) 46%, #e2a84f 100%);
  box-shadow: 0 14px 34px rgba(225, 164, 73, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.btn--gold::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 20%, rgba(255, 255, 255, 0.5) 46%, transparent 64%);
  transform: translateX(-120%);
  transition: transform 0.8s var(--ease);
}

.btn--gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(225, 164, 73, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.btn--gold:hover::before {
  transform: translateX(120%);
}

.btn--gold em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.02em;
  opacity: 0.62;
}

.btn--ghost {
  color: var(--ink-soft);
  border: 1px solid rgba(248, 243, 230, 0.22);
  background: rgba(12, 22, 46, 0.34);
  backdrop-filter: blur(10px);
}

.btn--ghost:hover {
  color: var(--ink);
  border-color: rgba(244, 200, 116, 0.5);
  background: rgba(20, 34, 68, 0.5);
  transform: translateY(-3px);
}

.btn-play {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(244, 200, 116, 0.16);
  color: var(--gold);
}

.btn-play .icon {
  width: 11px;
  height: 11px;
  margin-left: 1px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  padding: 138px 0 34px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -80px;
  width: 900px;
  height: 220px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(244, 200, 116, 0.1) 0%, transparent 68%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  align-items: center;
  gap: 30px;
  flex: 1;
}

.hero-copy {
  position: relative;
  z-index: 4;
  padding-top: 10px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  color: rgba(244, 200, 116, 0.9);
}

.spark-icon {
  width: 13px;
  height: 13px;
  animation: spin-slow 12s linear infinite;
}

.hero h1 {
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(44px, 4.7vw, 68px);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: 0.015em;
  text-wrap: balance;
  text-shadow: 0 10px 60px rgba(4, 9, 22, 0.7);
}

.hero h1 .hl {
  position: relative;
  display: inline-block;
  color: var(--gold-2);
  background: linear-gradient(180deg, transparent 60%, rgba(244, 200, 116, 0.18) 60%, rgba(244, 200, 116, 0.18) 92%, transparent 92%);
  padding: 0 0.06em;
}

.hero h1 .hl::after {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  bottom: 6%;
  height: 8px;
  border-top: 2px solid rgba(244, 200, 116, 0.75);
  border-radius: 50%;
  transform: rotate(-1.5deg);
}

.hero-lede {
  max-width: 33em;
  text-wrap: pretty;
  margin-top: 26px;
  font-size: 16.5px;
  line-height: 2;
  color: var(--ink-soft);
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 0;
  margin-top: 30px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
}

.hero-meta li {
  display: inline-flex;
  align-items: center;
}

.hero-meta li + li::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  margin: 0 14px;
  border-radius: 50%;
  background: rgba(244, 200, 116, 0.55);
}

.hero-foot {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 26px;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-faint);
  transition: color 0.3s ease;
}

.scroll-cue:hover {
  color: var(--gold);
}

.scroll-cue-track {
  position: relative;
  width: 20px;
  height: 32px;
  border: 1px solid rgba(248, 243, 230, 0.24);
  border-radius: 999px;
}

.scroll-cue-dot {
  position: absolute;
  top: 7px;
  left: 50%;
  width: 3px;
  height: 7px;
  margin-left: -1.5px;
  border-radius: 999px;
  background: var(--gold);
  animation: scroll-dot 2.1s ease-in-out infinite;
}

@keyframes scroll-dot {
  0%, 100% { transform: translateY(0); opacity: 0.35; }
  45% { transform: translateY(9px); opacity: 1; }
}

.hero-sector {
  color: rgba(248, 243, 230, 0.45);
}

/* ---------- Hero 舞台 ---------- */
.hero-stage {
  position: relative;
  width: min(100%, 650px);
  aspect-ratio: 1;
  margin-left: auto;
  perspective: 1000px;
}

.stage-halo {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 48% 42%, rgba(244, 200, 116, 0.2) 0%, rgba(138, 191, 255, 0.1) 36%, transparent 66%);
  filter: blur(30px);
  animation: halo-pulse 8s ease-in-out infinite;
}

@keyframes halo-pulse {
  0%, 100% { opacity: 0.75; transform: scale(0.97); }
  50% { opacity: 1; transform: scale(1.03); }
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px dashed rgba(244, 200, 116, 0.18);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.orbit::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  margin-left: -3px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 12px var(--gold);
  opacity: 0.7;
}

.orbit--1 {
  width: 74%;
  height: 74%;
  animation: spin-slow 38s linear infinite;
}

.orbit--2 {
  width: 90%;
  height: 90%;
  border-color: rgba(138, 191, 255, 0.13);
  animation: spin-slow-reverse 54s linear infinite;
}

.orbit--2::before {
  background: var(--sky);
  box-shadow: 0 0 12px var(--sky);
  opacity: 0.5;
}

.orbit--3 {
  width: 106%;
  height: 106%;
  border-color: rgba(248, 243, 230, 0.07);
  animation: spin-slow 82s linear infinite;
}

.orbit--3::before {
  opacity: 0.25;
}

@keyframes spin-slow {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes spin-slow-reverse {
  from { transform: translate(-50%, -50%) rotate(360deg); }
  to { transform: translate(-50%, -50%) rotate(0deg); }
}

.planet-hero {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 76%;
  transform: translate(-50%, -50%);
  animation: float-planet 9s ease-in-out infinite;
  will-change: transform;
}

.planet-hero::before {
  content: "";
  position: absolute;
  inset: 4%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 191, 255, 0.26) 0%, transparent 62%);
  filter: blur(26px);
}

.planet-hero img {
  position: relative;
  width: 100%;
  filter: saturate(1.05) drop-shadow(0 24px 44px rgba(3, 8, 20, 0.65));
  transform: translate(calc(var(--px, 0) * 10px), calc(var(--py, 0) * 10px));
  transition: transform 0.6s var(--ease);
}

.planet-shine {
  position: absolute;
  top: 16%;
  left: 18%;
  width: 26%;
  height: 16%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(255, 255, 255, 0.36) 0%, transparent 70%);
  filter: blur(8px);
  transform: rotate(-22deg);
  opacity: 0.7;
}

@keyframes float-planet {
  0%, 100% { transform: translate(-50%, -51%); }
  50% { transform: translate(-50%, -48.5%); }
}

.stage-ship {
  position: absolute;
  top: 0%;
  right: -3%;
  width: 33%;
  transform: translate(calc(var(--px, 0) * -18px), calc(var(--py, 0) * -14px)) rotate(-7deg);
  filter: drop-shadow(0 18px 28px rgba(2, 7, 18, 0.6));
  animation: float-ship 7.5s ease-in-out infinite;
  transition: transform 0.7s var(--ease);
  z-index: 3;
}

@keyframes float-ship {
  0%, 100% { margin-top: 0; }
  50% { margin-top: -14px; }
}

.stage-robot {
  position: absolute;
  bottom: -1%;
  left: -2%;
  width: 28%;
  transform: translate(calc(var(--px, 0) * 22px), calc(var(--py, 0) * 16px));
  filter: drop-shadow(0 20px 30px rgba(2, 7, 18, 0.6));
  animation: float-robot 6.4s ease-in-out infinite;
  transition: transform 0.8s var(--ease);
  z-index: 4;
}

@keyframes float-robot {
  0%, 100% { margin-bottom: 0; }
  50% { margin-bottom: -11px; }
}

.log-card {
  position: absolute;
  z-index: 5;
  top: 15%;
  left: -5%;
  width: 216px;
  padding: 16px 18px 14px;
  border-radius: 6px;
  color: var(--paper-ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 30%),
    linear-gradient(150deg, #fbf3dd 0%, #efdfba 100%);
  box-shadow: 0 18px 40px rgba(3, 7, 18, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transform: rotate(-6deg);
  font-size: 12px;
}

.log-card::before {
  content: "";
  position: absolute;
  top: -9px;
  left: 50%;
  width: 64px;
  height: 18px;
  margin-left: -32px;
  background: rgba(255, 249, 229, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
  transform: rotate(2.5deg);
}

.log-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(78, 58, 27, 0.25);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: #8a6a33;
}

.log-card-head em {
  font-style: normal;
  color: #a98a51;
}

.log-card strong {
  display: block;
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.06em;
}

.log-card p {
  margin-top: 4px;
  font-size: 11.5px;
  line-height: 1.7;
  color: #6f5730;
}

.log-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
}

.stamp {
  display: inline-block;
  padding: 2px 8px;
  color: var(--stamp);
  border: 1.5px solid rgba(197, 77, 69, 0.75);
  border-radius: 3px;
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.14em;
  transform: rotate(-7deg);
  opacity: 0.85;
}

.log-date {
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: #9a8051;
}

.coord-card {
  position: absolute;
  z-index: 5;
  right: 2%;
  bottom: 13%;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 10px 16px;
  border: 1px solid rgba(248, 243, 230, 0.16);
  border-radius: 10px;
  background: rgba(8, 15, 33, 0.55);
  backdrop-filter: blur(12px);
  transform: rotate(3deg);
}

.coord-card span {
  font-size: 8.5px;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
}

.coord-card b {
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--gold-2);
}

.coord-card i {
  font-style: normal;
  font-size: 8.5px;
  letter-spacing: 0.14em;
  color: rgba(138, 191, 255, 0.7);
}

.twinkle {
  position: absolute;
  color: var(--gold);
  text-shadow: 0 0 16px rgba(244, 200, 116, 0.8);
  animation: twinkle 4.4s ease-in-out infinite;
  z-index: 2;
}

.twinkle--a { top: 9%; left: 12%; font-size: 18px; }
.twinkle--b { top: 36%; right: 1%; font-size: 13px; animation-delay: -1.4s; color: var(--sky); }
.twinkle--c { bottom: 26%; right: 22%; font-size: 11px; animation-delay: -2.7s; }
.twinkle--d { bottom: 8%; left: 16%; font-size: 15px; animation-delay: -0.7s; color: var(--rose); }

@keyframes twinkle {
  0%, 100% { opacity: 0.28; transform: scale(0.82) rotate(0deg); }
  50% { opacity: 1; transform: scale(1.08) rotate(12deg); }
}

/* ---------- 公共区块 ---------- */
.section {
  position: relative;
  padding: 112px 0;
}

.section-head {
  max-width: 780px;
  margin-bottom: 64px;
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: rgba(244, 200, 116, 0.86);
  text-transform: uppercase;
}

.section-head--center .section-label {
  justify-content: center;
}

.section-label span {
  color: rgba(248, 243, 230, 0.44);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.section-head h2,
.quote-title {
  margin-top: 20px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(36px, 4.4vw, 62px);
  line-height: 1.22;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

.section-head h2 em {
  font-style: normal;
  white-space: nowrap;
  color: var(--gold-2);
  position: relative;
}

.section-head p:not(.section-label) {
  max-width: 620px;
  text-wrap: pretty;
  margin-top: 20px;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--ink-soft);
}

.section-head--center p:not(.section-label) {
  margin-inline: auto;
}

/* ---------- 起点 ---------- */
.origin {
  padding-top: 142px;
  padding-bottom: 84px;
}

.origin-inner {
  position: relative;
  max-width: 900px;
  text-align: center;
  margin-inline: auto;
}

.origin-inner .section-label {
  justify-content: center;
}

.quote-title {
  margin-top: 28px;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.5;
}

.quote-title .mark {
  display: inline-block;
  color: var(--gold-2);
  position: relative;
}

.quote-title .mark::after {
  content: "";
  position: absolute;
  left: -2%;
  right: -2%;
  bottom: 2px;
  height: 10px;
  border-top: 2px solid rgba(244, 200, 116, 0.6);
  border-radius: 50%;
  transform: rotate(-1deg);
}

.origin-body {
  max-width: 740px;
  text-wrap: pretty;
  margin: 30px auto 0;
  font-size: 16px;
  line-height: 2.15;
  color: var(--ink-soft);
  text-wrap: pretty;
}

.origin-sign {
  margin-top: 26px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 88px;
  border-top: 1px solid rgba(248, 243, 230, 0.1);
  border-bottom: 1px solid rgba(248, 243, 230, 0.1);
}

.stat {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 14px;
  padding: 34px 20px;
}

.stat + .stat {
  border-left: 1px solid rgba(248, 243, 230, 0.1);
}

.stat b {
  font-family: var(--font-display);
  font-size: 46px;
  font-weight: 400;
  line-height: 1;
  color: var(--gold);
  text-shadow: 0 0 26px rgba(244, 200, 116, 0.3);
}

.stat span {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* ---------- 远征路线 ---------- */
.acts {
  position: relative;
  padding: 16px 0 24px;
}

.acts-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  transform: translateX(-0.5px);
  background: repeating-linear-gradient(to bottom, rgba(244, 200, 116, 0.38) 0 4px, transparent 4px 15px);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 8%, #000 92%, transparent);
}

.acts-line-glow {
  position: absolute;
  inset: 12% 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(244, 200, 116, 0.55), transparent);
  filter: blur(1px);
}

.act {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 92px minmax(0, 1fr);
  align-items: center;
  margin-bottom: 122px;
}

.act:last-child {
  margin-bottom: 0;
}

.act--left .act-visual { grid-column: 1; grid-row: 1; }
.act--left .act-marker { grid-column: 2; grid-row: 1; }
.act--left .act-copy { grid-column: 3; grid-row: 1; }

.act--right .act-copy { grid-column: 1; grid-row: 1; text-align: right; align-items: flex-end; }
.act--right .act-marker { grid-column: 2; grid-row: 1; }
.act--right .act-visual { grid-column: 3; grid-row: 1; }

.act-visual {
  padding: 0 34px;
}

.paper-frame {
  position: relative;
  margin: 0;
  padding: 12px 12px 0;
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.3), transparent 26%),
    linear-gradient(150deg, #fbf3dd 0%, #ecdbb7 100%);
  box-shadow:
    0 28px 70px rgba(1, 5, 15, 0.58),
    0 2px 0 rgba(255, 255, 255, 0.3) inset;
  transition: transform 0.6s var(--ease), box-shadow 0.6s ease;
}

.paper-frame.tilt-l { transform: rotate(-2.2deg); }
.paper-frame.tilt-r { transform: rotate(2deg); }

.act:hover .paper-frame {
  transform: rotate(0deg) translateY(-6px);
  box-shadow:
    0 38px 90px rgba(1, 5, 15, 0.66),
    0 2px 0 rgba(255, 255, 255, 0.3) inset;
}

.paper-frame img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 5px;
  background: #0a1228;
}

.paper-frame figcaption {
  padding: 12px 6px 14px;
  color: #7a6238;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-align: center;
}

.tape {
  position: absolute;
  z-index: 3;
  width: 74px;
  height: 22px;
  background: rgba(255, 249, 230, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.42);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(2px);
}

.tape--one {
  top: -11px;
  left: 13%;
  transform: rotate(-8deg);
}

.tape--two {
  top: -9px;
  right: 12%;
  transform: rotate(6deg);
}

.act-marker {
  position: relative;
  display: grid;
  place-items: center;
  align-self: center;
  width: 58px;
  height: 58px;
  justify-self: center;
  border: 1px solid rgba(244, 200, 116, 0.2);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 36%, #16254f 0%, #080e22 76%);
  box-shadow: 0 0 0 8px rgba(6, 10, 24, 0.9);
  transition: border-color 0.6s ease, box-shadow 0.6s ease;
}

.act-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(244, 200, 116, 0.38);
  transition: background 0.6s ease, box-shadow 0.6s ease, transform 0.6s var(--ease);
}

.act-num {
  position: absolute;
  bottom: -31px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  transition: color 0.6s ease;
}

.act.is-in .act-marker {
  border-color: rgba(244, 200, 116, 0.62);
  box-shadow: 0 0 0 8px rgba(6, 10, 24, 0.9), 0 0 26px rgba(244, 200, 116, 0.22);
}

.act.is-in .act-dot {
  background: var(--gold);
  box-shadow: 0 0 16px rgba(244, 200, 116, 0.95);
  transform: scale(1.2);
}

.act.is-in .act-num {
  color: var(--gold);
}

.act-copy {
  display: flex;
  flex-direction: column;
  padding: 0 22px;
}

.act-kicker {
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: rgba(244, 200, 116, 0.72);
}

.act-copy h3 {
  margin-top: 16px;
  font-family: var(--font-display);
  font-size: clamp(27px, 2.7vw, 36px);
  font-weight: 400;
  line-height: 1.42;
  letter-spacing: 0.02em;
}

.act-copy > p:not(.act-kicker) {
  max-width: 30em;
  text-wrap: pretty;
  margin-top: 18px;
  font-size: 14.5px;
  line-height: 2.05;
  color: var(--ink-soft);
}

.act--right .act-copy > p:not(.act-kicker) {
  margin-left: auto;
}

.bubble {
  position: relative;
  display: inline-block;
  max-width: 360px;
  margin-top: 24px;
  padding: 13px 18px 13px 20px;
  color: #3a2c17;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 40%),
    linear-gradient(150deg, #fbf2d9 0%, #efdfba 100%);
  border-radius: 14px 14px 14px 4px;
  box-shadow: 0 12px 30px rgba(2, 6, 16, 0.38);
  font-size: 12.5px;
  line-height: 1.8;
  text-align: left;
}

.bubble::before {
  content: "滚滚";
  display: inline-block;
  margin-right: 7px;
  padding: 1px 6px;
  border-radius: 999px;
  color: #8a5b19;
  background: rgba(197, 138, 48, 0.16);
  font-size: 9px;
  letter-spacing: 0.06em;
  vertical-align: 1px;
}

.bubble::after {
  content: "";
  position: absolute;
  left: 16px;
  bottom: -7px;
  width: 14px;
  height: 14px;
  background: #efdfba;
  transform: rotate(45deg);
  border-radius: 0 0 3px 0;
}

.act--right .bubble::after {
  left: auto;
  right: 16px;
}

/* ---------- 真实界面 ---------- */
.interface {
  padding-top: 100px;
  padding-bottom: 88px;
}

.ui-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  align-items: start;
}

.ui-card {
  margin: 0;
  transition: transform 0.5s var(--ease);
}

.ui-card--a { transform: rotate(-1.4deg); }
.ui-card--b { transform: translateY(26px) rotate(1.1deg); }
.ui-card--c { transform: translateY(8px) rotate(-0.8deg); }

.ui-card:hover {
  transform: translateY(-8px) rotate(0deg);
}

.ui-frame {
  position: relative;
  padding: 8px;
  border: 1px solid rgba(248, 243, 230, 0.14);
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02) 45%);
  box-shadow: 0 26px 60px rgba(1, 4, 13, 0.55);
  overflow: hidden;
}

.ui-frame img {
  width: 100%;
  border-radius: 12px;
  background: #081022;
}

.ui-shine {
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.16) 0%, transparent 28%, transparent 72%, rgba(255, 255, 255, 0.05) 100%);
  pointer-events: none;
}

.ui-card figcaption {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 18px;
  padding: 0 4px;
}

.ui-card figcaption b {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.ui-card figcaption span {
  font-size: 12.5px;
  text-wrap: pretty;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 星球图鉴 ---------- */
.planets {
  padding-top: 118px;
  padding-bottom: 88px;
}

.planet-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px 26px;
}

.planet-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 20px 24px;
  border: 1px solid rgba(248, 243, 230, 0.08);
  border-radius: 24px;
  background:
    radial-gradient(circle at 50% 12%, rgba(138, 191, 255, 0.08) 0%, transparent 46%),
    rgba(255, 255, 255, 0.022);
  text-align: center;
  transition: transform 0.55s var(--ease), border-color 0.4s ease, background 0.4s ease;
  overflow: hidden;
}

.planet-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 24px;
  background: linear-gradient(150deg, rgba(244, 200, 116, 0.08), transparent 30%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.planet-card:hover {
  transform: translateY(-8px);
  border-color: rgba(244, 200, 116, 0.24);
  background:
    radial-gradient(circle at 50% 12%, rgba(244, 200, 116, 0.1) 0%, transparent 48%),
    rgba(255, 255, 255, 0.035);
}

.planet-card:hover::after {
  opacity: 1;
}

.planet-orb {
  position: relative;
  width: 190px;
  height: 190px;
  margin: 0 auto 24px;
  transform-style: preserve-3d;
  transition: transform 0.5s var(--ease);
}

.planet-card:hover .planet-orb {
  transform: scale(1.04);
}

.orb-glow {
  position: absolute;
  inset: 6%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 191, 255, 0.36) 0%, transparent 68%);
  filter: blur(24px);
  opacity: 0.75;
}

.planet-orb img {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: contain;
  filter: saturate(1.06) drop-shadow(0 18px 26px rgba(2, 6, 16, 0.55));
  animation: planet-bob 8s ease-in-out infinite;
}

.planet-card:nth-child(2n) .planet-orb img { animation-delay: -2.4s; }
.planet-card:nth-child(3n) .planet-orb img { animation-delay: -4.1s; }

@keyframes planet-bob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-6px) rotate(-1.2deg); }
}

.planet-copy {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.planet-copy h3 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.planet-copy p {
  margin-top: 7px;
  text-wrap: pretty;
  margin-bottom: 14px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.planet-tag {
  display: inline-block;
  margin-top: auto;
  align-self: center;
  padding: 4px 11px;
  border: 1px solid rgba(244, 200, 116, 0.24);
  border-radius: 999px;
  font-size: 9.5px;
  letter-spacing: 0.14em;
  color: rgba(244, 200, 116, 0.78);
}

.planet-note {
  margin-top: 46px;
  text-align: center;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

/* ---------- 为什么做 ---------- */
.why {
  padding-top: 118px;
  padding-bottom: 92px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  align-items: start;
}

.why-card {
  position: relative;
  padding: 38px 32px 34px;
  border-radius: 20px;
  color: #4d3d26;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.36), transparent 30%),
    linear-gradient(158deg, #fbf2dc 0%, #ead7b1 100%);
  box-shadow: 0 26px 56px rgba(1, 5, 15, 0.46);
  transition: transform 0.5s var(--ease);
}

.why-card::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(120, 89, 40, 0.22);
  border-radius: 14px;
  pointer-events: none;
}

.why-card:nth-child(1) { transform: rotate(-1.1deg); }
.why-card:nth-child(2) { transform: translateY(20px) rotate(0.7deg); }
.why-card:nth-child(3) { transform: rotate(-0.5deg); }

.why-card:hover {
  transform: translateY(-6px) rotate(0deg);
}

.why-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: #7a5121;
  background: radial-gradient(circle at 34% 28%, #ffe6a8 0%, #f0c272 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.why-icon .icon {
  width: 19px;
  height: 19px;
}

.why-card h3 {
  margin-top: 24px;
  font-family: var(--font-display);
  font-size: 25px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #3b2b15;
}

.why-card p {
  margin-top: 12px;
  text-wrap: pretty;
  font-size: 13.5px;
  line-height: 1.95;
  color: #66543a;
}

/* ---------- 情绪插页 ---------- */
.interlude {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 700px;
  margin: 46px 0;
  overflow: hidden;
  isolation: isolate;
}

.interlude-media {
  position: absolute;
  inset: -4%;
  z-index: -2;
}

.interlude-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 46%;
  filter: brightness(0.6) saturate(0.92);
  transform: scale(1.04);
  animation: interlude-breathe 20s ease-in-out infinite alternate;
}

@keyframes interlude-breathe {
  from { transform: scale(1.03) translateY(0); }
  to { transform: scale(1.08) translateY(-1.2%); }
}

.interlude-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(6, 10, 24, 0.92) 0%, rgba(6, 10, 24, 0.18) 26%, rgba(6, 10, 24, 0.16) 64%, rgba(6, 10, 24, 0.94) 100%),
    radial-gradient(ellipse at 50% 50%, transparent 20%, rgba(6, 10, 24, 0.42) 100%);
}

.interlude-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 0;
}

.interlude-label {
  font-size: 10.5px;
  letter-spacing: 0.28em;
  color: rgba(244, 200, 116, 0.86);
}

.interlude h2 {
  margin-top: 24px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(40px, 5.4vw, 72px);
  line-height: 1.35;
  letter-spacing: 0.02em;
  text-shadow: 0 12px 50px rgba(2, 6, 16, 0.8);
}

.interlude-inner > p:last-child {
  margin-top: 24px;
  text-wrap: pretty;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: rgba(248, 243, 230, 0.76);
}

/* ---------- 游玩实录 ---------- */
.gameplay {
  padding-top: 116px;
  padding-bottom: 96px;
}

.video-shell {
  max-width: 1080px;
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(244, 200, 116, 0.22);
  border-radius: 24px;
  background: #040915;
  box-shadow:
    0 40px 100px rgba(1, 4, 13, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  overflow: hidden;
  isolation: isolate;
}

.video-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  filter: saturate(1.02);
  transition: transform 1.1s var(--ease), opacity 0.5s ease;
}

.video-frame:hover .video-poster {
  transform: scale(1.05);
}

.video-vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(4, 9, 21, 0.72) 0%, transparent 26%, transparent 56%, rgba(4, 9, 21, 0.9) 100%),
    radial-gradient(ellipse at 50% 50%, transparent 32%, rgba(4, 9, 21, 0.45) 100%);
  pointer-events: none;
}

.video-topline {
  position: absolute;
  top: 24px;
  left: 28px;
  right: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 9.5px;
  letter-spacing: 0.2em;
  color: rgba(248, 243, 230, 0.7);
  z-index: 2;
}

.rec {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.rec i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 10px rgba(255, 122, 89, 0.9);
  animation: rec-pulse 2s ease-in-out infinite;
}

@keyframes rec-pulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 1; }
}

.video-status {
  padding: 5px 12px;
  border: 1px solid rgba(248, 243, 230, 0.18);
  border-radius: 999px;
  background: rgba(5, 10, 23, 0.4);
  backdrop-filter: blur(8px);
  color: rgba(248, 243, 230, 0.72);
  letter-spacing: 0.12em;
}

.video-status.is-live {
  color: var(--gold-2);
  border-color: rgba(244, 200, 116, 0.4);
}

.video-copy {
  position: absolute;
  left: 36px;
  bottom: 38px;
  z-index: 2;
  max-width: 46%;
}

.video-copy p {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(244, 200, 116, 0.84);
}

.video-copy h3 {
  margin-top: 12px;
  font-family: var(--font-display);
  font-size: clamp(25px, 3vw, 40px);
  font-weight: 400;
  line-height: 1.36;
  text-shadow: 0 6px 30px rgba(2, 6, 16, 0.7);
}

.video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 116px;
  height: 116px;
  margin: -58px 0 0 -58px;
  border: 1.5px solid rgba(244, 200, 116, 0.72);
  border-radius: 50%;
  background: rgba(6, 10, 24, 0.58);
  color: var(--gold-2);
  backdrop-filter: blur(12px);
  box-shadow: 0 0 0 11px rgba(244, 200, 116, 0.05), 0 20px 50px rgba(2, 6, 16, 0.45);
  cursor: pointer;
  transition: background 0.4s ease, color 0.4s ease, transform 0.4s var(--ease), border-color 0.4s ease, box-shadow 0.4s ease;
}

.video-play .icon {
  width: 25px;
  height: 25px;
  margin-left: 3px;
}

.video-play-label {
  font-size: 9.5px;
  letter-spacing: 0.12em;
  color: rgba(248, 243, 230, 0.92);
}

.video-play-ring {
  position: absolute;
  inset: -13px;
  border: 1px dashed rgba(244, 200, 116, 0.46);
  border-radius: 50%;
  animation: spin-slow 22s linear infinite;
}

.video-play-ring::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 50%;
  width: 5px;
  height: 5px;
  margin-left: -2.5px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold);
}

.video-play:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #2a1d08;
  transform: scale(1.06);
  box-shadow: 0 0 0 14px rgba(244, 200, 116, 0.1), 0 24px 60px rgba(2, 6, 16, 0.5);
}

.video-play:hover .video-play-ring {
  border-color: rgba(42, 29, 8, 0.35);
}

.video-hint {
  position: absolute;
  right: 27px;
  bottom: 24px;
  z-index: 2;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(5, 10, 23, 0.46);
  border: 1px solid rgba(248, 243, 230, 0.1);
  backdrop-filter: blur(8px);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: rgba(248, 243, 230, 0.62);
}

.video-player {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: none;
  background: #000;
}

.video-player iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-frame.is-playing .video-player {
  display: block;
}

.video-frame.is-playing .video-poster,
.video-frame.is-playing .video-vignette,
.video-frame.is-playing .video-topline,
.video-frame.is-playing .video-copy,
.video-frame.is-playing .video-play,
.video-frame.is-playing .video-hint {
  opacity: 0;
  pointer-events: none;
}

.video-frame.is-playing .video-poster {
  transform: scale(1.04);
}

.video-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 18px;
  font-size: 11.5px;
  color: var(--ink-faint);
}

.video-foot p {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.video-foot .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  border-bottom: 1px solid rgba(244, 200, 116, 0.3);
  padding-bottom: 2px;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.text-link:hover {
  color: var(--gold-2);
  border-color: var(--gold-2);
}

.text-link .icon {
  width: 15px;
  height: 15px;
}

/* ---------- 作品档案 ---------- */
.facts {
  padding-top: 106px;
  padding-bottom: 92px;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid rgba(248, 243, 230, 0.12);
}

.fact {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 28px 26px 26px 0;
  border-bottom: 1px solid rgba(248, 243, 230, 0.1);
}

.fact:nth-child(3n + 1) {
  padding-left: 0;
}

.fact span {
  font-size: 9.5px;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
}

.fact b {
  text-wrap: pretty;
  font-weight: 400;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

.fact b em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(244, 200, 116, 0.8);
}

.fact--wide {
  grid-column: span 4;
}

.fact:nth-child(6) {
  grid-column: span 6;
}

/* ---------- 结尾邀请 ---------- */
.finale {
  position: relative;
  padding: 148px 0 132px;
  text-align: center;
  overflow: hidden;
}

.finale::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 900px;
  height: 700px;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(244, 200, 116, 0.12) 0%, rgba(100, 75, 170, 0.08) 38%, transparent 68%);
  filter: blur(20px);
  pointer-events: none;
}

.finale-inner {
  position: relative;
  z-index: 2;
}

.finale-inner .section-label {
  justify-content: center;
}

.finale h2 {
  margin-top: 26px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(42px, 5.6vw, 76px);
  line-height: 1.34;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

.finale-inner > p:not(.section-label):not(.finale-note) {
  margin-top: 22px;
  text-wrap: pretty;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.finale-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 38px;
}

.finale-note {
  margin-top: 22px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  padding: 72px 0 30px;
  border-top: 1px solid rgba(248, 243, 230, 0.1);
  background: rgba(4, 8, 18, 0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  align-items: start;
}

.brand--footer .brand-text strong {
  font-size: 17px;
}

.footer-brand p {
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 6px;
}

.footer-nav a {
  width: fit-content;
  font-size: 13px;
  color: var(--ink-soft);
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: var(--gold);
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding-top: 6px;
  font-size: 12px;
  color: var(--ink-soft);
}

.footer-meta a {
  width: fit-content;
  color: var(--gold);
  font-size: 14px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(244, 200, 116, 0.25);
  padding-bottom: 2px;
}

.footer-meta .muted {
  color: var(--ink-faint);
  font-size: 10.5px;
  line-height: 1.7;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 58px;
  padding-top: 20px;
  border-top: 1px solid rgba(248, 243, 230, 0.07);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: rgba(248, 243, 230, 0.52);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  z-index: 400;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--paper);
  color: var(--paper-ink);
  font-size: 13px;
  letter-spacing: 0.04em;
  box-shadow: 0 18px 48px rgba(2, 6, 16, 0.55);
  opacity: 0;
  transform: translate(-50%, 18px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.45s var(--ease);
}

.toast.is-show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- 滚动出场 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.95s var(--ease),
    transform 0.95s var(--ease);
  transition-delay: calc(var(--delay, 0) * 110ms);
}

.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1180px) {
  .hero-stage { width: min(100%, 560px); }
  .log-card { left: -2%; }
  .act { grid-template-columns: minmax(0, 1fr) 78px minmax(0, 1fr); }
  .act-visual { padding: 0 22px; }
  .act-copy { padding: 0 14px; }
  .ui-grid { gap: 22px; }
  .planet-orb { width: 168px; height: 168px; }
}

@media (min-width: 981px) and (max-width: 1180px) {
  .hero-copy {
    padding-right: 18px;
  }
  .hero h1 {
    font-size: clamp(42px, 4.5vw, 56px);
  }
  .log-card {
    width: 212px;
  }
}

@media (max-width: 980px) {
  .shell { width: min(var(--shell), calc(100% - 56px)); }

  .site-nav { display: none; }

  .hero {
    min-height: auto;
    padding-top: 124px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero h1 {
    font-size: clamp(44px, 6.4vw, 68px);
  }

  .hero-stage {
    width: min(100%, 540px);
    margin: 10px auto 0;
  }

  .hero-foot { padding-top: 20px; }

  .act {
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 92px;
    padding-left: 52px;
  }

  .acts-line { left: 18px; transform: none; }

  .act--left .act-visual,
  .act--right .act-visual,
  .act--left .act-marker,
  .act--right .act-marker,
  .act--left .act-copy,
  .act--right .act-copy {
    grid-column: 1;
    grid-row: auto;
  }

  .act-marker {
    position: absolute;
    top: 0;
    left: -52px;
    width: 34px;
    height: 34px;
    justify-self: start;
  }

  .act-num {
    display: none;
  }

  .act-dot { width: 6px; height: 6px; }

  .act--right .act-copy {
    text-align: left;
    align-items: flex-start;
  }

  .act--right .act-copy > p:not(.act-kicker) {
    margin-left: 0;
  }

  .act--right .bubble::after {
    left: 16px;
    right: auto;
  }

  .act-visual { padding: 0; margin-bottom: 28px; }

  .act--right .act-visual { order: 2; margin-top: 28px; }

  .ui-grid {
    grid-template-columns: 1fr;
    gap: 38px;
    max-width: 620px;
  }

  .ui-card--b,
  .ui-card--c { transform: none; }

  .planet-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .why-grid {
    grid-template-columns: 1fr;
    max-width: 620px;
    gap: 20px;
  }

  .why-card:nth-child(2) { transform: rotate(0.4deg); }

  .interlude { min-height: 580px; }

  .video-copy { max-width: 54%; }

  .fact-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .fact { grid-column: span 2; }
  .fact--wide,
  .fact:nth-child(6) { grid-column: span 4; }
  .fact:nth-child(3n + 1) { padding-left: 0; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }

  .footer-meta { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .shell { width: calc(100% - 40px); }

  .site-header { padding: 16px 0; }
  .header-cta span { display: none; }
  .header-cta { width: 44px; height: 44px; padding: 0; justify-content: center; }

  .section { padding: 96px 0; }
  .section-head { margin-bottom: 50px; }
  .section-head h2,
  .quote-title { font-size: clamp(31px, 8vw, 44px); }

  .hero { padding-top: 108px; }
  .hero h1 { font-size: clamp(30px, 8.6vw, 46px); }
  .hero-lede { font-size: 15px; line-height: 1.95; }
  .hero-meta { font-size: 10.5px; }

  .hero-stage { width: min(100%, 420px); }
  .log-card { width: 178px; top: 10%; left: 0; padding: 12px 14px; }
  .log-card strong { font-size: 18px; }
  .log-card p { font-size: 10.5px; }
  .coord-card { right: 0; bottom: 8%; padding: 8px 12px; }
  .stage-ship { width: 30%; top: 1%; right: 0; }
  .stage-robot { width: 24%; bottom: 0; left: 0; }

  .hero-foot { font-size: 9px; letter-spacing: 0.12em; }
  .hero-sector { display: none; }

  .stat-row { grid-template-columns: 1fr; margin-top: 60px; }
  .stat { justify-content: flex-start; padding: 20px 6px; }
  .stat + .stat { border-left: 0; border-top: 1px solid rgba(248, 243, 230, 0.1); }
  .stat b { font-size: 38px; }

  .act { padding-left: 36px; margin-bottom: 74px; }
  .acts-line { left: 12px; }
  .act-marker { left: -36px; width: 26px; height: 26px; }
  .act-copy h3 { font-size: 25px; }
  .act-copy > p:not(.act-kicker) { font-size: 13.5px; }
  .paper-frame { padding: 8px 8px 0; }
  .paper-frame figcaption { font-size: 9.5px; }

  .planet-grid { gap: 16px; }
  .planet-card { padding: 20px 12px 18px; border-radius: 18px; }
  .planet-orb { width: 132px; height: 132px; margin-bottom: 16px; }
  .planet-copy {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.planet-copy h3 { font-size: 18px; }
  .planet-copy p { font-size: 11.5px; }
  .planet-tag { font-size: 8.5px; padding: 3px 8px; }

  .interlude { min-height: 460px; margin: 30px 0; }
  .interlude-inner { padding: 90px 0; }
  .interlude h2 { font-size: clamp(34px, 8.6vw, 48px); }

  .video-topline { top: 16px; left: 18px; right: 18px; font-size: 9px; }
  .video-copy { display: none; }
  .video-play { width: 84px; height: 84px; margin: -42px 0 0 -42px; }
  .video-play .icon { width: 19px; height: 19px; }
  .video-play-label { font-size: 8px; }
  .video-play-ring { inset: -9px; }
  .video-hint { display: none; }
  .video-foot { flex-direction: column; align-items: flex-start; gap: 10px; }

  .fact-grid { grid-template-columns: 1fr; }
  .fact,
  .fact--wide,
  .fact:nth-child(6) { grid-column: span 1; padding: 20px 0; }

  .finale { padding: 130px 0 110px; }
  .finale h2 { font-size: clamp(36px, 9.6vw, 52px); }
  .finale-actions { flex-direction: column; }
  .finale-actions .btn { width: 100%; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-meta { grid-column: auto; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 520px) {
  .hero-stage { width: 100%; }
  .log-card { width: 158px; }
  .coord-card { display: none; }
  .planet-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: none; }
  .planet-orb { width: 126px; height: 126px; }
  .planet-card { padding: 20px 10px 18px; }
  .planet-copy {
  display: flex;
  flex: 1;
  flex-direction: column;
}

.planet-copy h3 { font-size: 16.5px; }
  .planet-copy p { font-size: 10.5px; line-height: 1.6; }
  .planet-tag { font-size: 9px; letter-spacing: .06em; }
  .btn { min-height: 50px; padding: 0 20px; font-size: 13.5px; }
  .btn--gold em { display: none; }
  .video-frame { border-radius: 16px; }
  .video-copy h3 { font-size: 19px; }
}

/* ---------- 动效降级 ---------- */
@media (max-width: 380px) {
  .hero h1 { font-size: clamp(28px, 8.8vw, 34px); }
  .planet-orb { width: 108px; height: 108px; }
  .planet-copy h3 { font-size: 15px; }
  .planet-card { padding: 18px 8px 16px; }
  .hero-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}