/* ==========================================================================
   异次元 YICIYUAN — 官网视觉系统
   风格方向：二次元动漫风（赛璐璐 / Cel-Shading）
   设计语言：粗描边 + 平涂饱和色 + 大圆角 + 硬投影贴纸 + 集中线 / 网点 /
             闪光星 + 对话气泡 + 波浪分隔 + 竖排标签
   配色：沿用原站品牌色板（浅蓝底 + 蓝青主色 + 粉紫点缀 + 深蓝墨）
   ========================================================================== */

/* ---------------------------------------------------------------
   01  设计令牌
   --------------------------------------------------------------- */
:root {
  /* 品牌色板 —— 与原站一致 */
  --blue-400: #38bdf8;
  --blue-500: #2b7ae8;
  --blue-600: #1d4ed8;
  --cyan-400: #3ec7f4;
  --cyan-500: #0ea5e9;
  --mint-300: #a5f3d4;
  --mint-400: #7be3c3;
  --pink-400: #f472b6;
  --pink-500: #db2777;
  --purple-400: #c084fc;
  --purple-500: #a855f7;
  --yellow-400: #facc15;

  /* 底 / 面 */
  --paper: #eaf3ff;
  --paper-hi: #ffffff;
  --paper-lo: #d9efff;

  /* 墨（描边与深色带） */
  --ink: #0f172a;
  --ink-2: #1e293b;
  --ink-3: #475569;
  --ink-4: #5b6b86;

  /* 主色 */
  --accent: #1d4ed8;
  --accent-hi: #2b7ae8;
  --accent-dk: #7dd3fc;
  --gold: #9a6a06;

  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, #2b7ae8 0%, #3ec7f4 52%, #7be3c3 100%);
  --gradient-accent: linear-gradient(135deg, #f472b6 0%, #a855f7 100%);
  --gradient-hero: linear-gradient(160deg, #dff3ff 0%, #f4fbff 48%, #e6fff7 100%);
  --gradient-night: linear-gradient(160deg, #0f172a 0%, #16264a 55%, #1d3a6e 100%);
  --gradient-ribbon: linear-gradient(90deg, #db2777 0%, #a855f7 100%);

  /* 描边 / 圆角 / 硬投影（贴纸感） */
  --stroke: 2px;
  --stroke-bold: 3px;
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-pill: 999px;
  --pop-sm: 3px 3px 0 0 var(--ink);
  --pop: 5px 5px 0 0 var(--ink);
  --pop-lg: 8px 8px 0 0 var(--ink);

  /* 线条 */
  --rule: rgba(15, 23, 42, 0.86);
  --rule-mid: rgba(15, 23, 42, 0.3);
  --rule-soft: rgba(15, 23, 42, 0.14);

  /* 深底 */
  --rule-dark: rgba(217, 239, 255, 0.24);
  --on-dark-dim: rgba(217, 239, 255, 0.72);
  --on-dark-faint: rgba(217, 239, 255, 0.6);

  /* 波浪分隔（SVG data URI，纯 CSS 无需外部资源） */
  --wave-paper: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60' preserveAspectRatio='none'%3E%3Cpath d='M0,30C180,60,360,0,540,30C720,60,900,0,1080,30C1260,60,1440,0,1440,30L1440,60L0,60Z' fill='%23eaf3ff'/%3E%3C/svg%3E");
  --wave-lo: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60' preserveAspectRatio='none'%3E%3Cpath d='M0,30C180,60,360,0,540,30C720,60,900,0,1080,30C1260,60,1440,0,1440,30L1440,60L0,60Z' fill='%23d9efff'/%3E%3C/svg%3E");
  --wave-hero: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60' preserveAspectRatio='none'%3E%3Cpath d='M0,30C180,60,360,0,540,30C720,60,900,0,1080,30C1260,60,1440,0,1440,30L1440,60L0,60Z' fill='%23e6fff7'/%3E%3C/svg%3E");

  /* 字体 */
  --f-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --f-mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Courier New", monospace;
  --f-body: var(--f-display);

  /* 节奏 */
  --shell: 1280px;
  --sect: clamp(4.5rem, 9vw, 7.5rem);

  /* 动效 */
  --ease: cubic-bezier(0.16, 0.84, 0.28, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-pop: cubic-bezier(0.34, 1.42, 0.62, 1);
}

/* ---------------------------------------------------------------
   02  基础重置
   --------------------------------------------------------------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ink-3);
  background-color: var(--paper);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* 次元氛围层：柔光色斑（原站 dimen-bg 的 CSS 版） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 8% 10%, rgba(123, 227, 195, 0.34) 0%, transparent 34%),
    radial-gradient(circle at 94% 16%, rgba(192, 132, 252, 0.2) 0%, transparent 32%),
    radial-gradient(circle at 76% 86%, rgba(62, 199, 244, 0.26) 0%, transparent 36%),
    radial-gradient(circle at 18% 74%, rgba(244, 114, 182, 0.14) 0%, transparent 30%);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

:focus-visible { outline: 3px solid var(--accent-hi); outline-offset: 3px; }
::selection { background: var(--accent); color: #fff; }

/* ---------------------------------------------------------------
   03  版心与通用工具
   --------------------------------------------------------------- */
.container {
  position: relative;
  z-index: 1;
  width: 90%;
  max-width: var(--shell);
  margin: 0 auto;
}

.center { display: flex; justify-content: center; }
.stack-sm { margin-top: clamp(1.5rem, 3vw, 2.2rem); }
.stack-md { margin-top: clamp(2rem, 4vw, 3rem); }
.stack-lg { margin-top: clamp(3rem, 6vw, 4.5rem); }

/* 药丸信息条（原杂志页码行 → 动漫站信息胶囊） */
.folio {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.42rem 1.1rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--paper-hi);
  box-shadow: var(--pop-sm);
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.folio-line { display: none; }
.folio-strong { color: var(--accent); font-weight: 700; }

/* 栏目眉 */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.kicker-no {
  display: inline-grid;
  place-items: center;
  min-width: 30px;
  height: 30px;
  padding: 0 0.4rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-sm);
  background: var(--yellow-400);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 900;
  box-shadow: var(--pop-sm);
  transform: rotate(-4deg);
}
.kicker--accent .kicker-no { background: var(--gradient-accent); color: #fff; }

/* 闪光星 */
.spark {
  display: inline-block;
  color: var(--yellow-400);
  animation: twinkle 2.4s ease-in-out infinite;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.35; transform: scale(0.85) rotate(0deg); }
  50% { opacity: 1; transform: scale(1.1) rotate(25deg); }
}

/* ---------------------------------------------------------------
   04  报头（圆角描边卡片 + 药丸导航）
   --------------------------------------------------------------- */
.masthead {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  pointer-events: none;
}
.masthead > * { pointer-events: auto; }

/* 资讯缎带 */
.ticker {
  overflow: hidden;
  height: 34px;
  background: var(--gradient-ribbon);
  color: #fff;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: 0 2px 0 0 var(--ink);
  transition: height 0.35s var(--ease), opacity 0.3s ease;
}
.ticker-track {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  height: 34px;
  width: max-content;
  padding-left: 2.5rem;
  animation: ticker 44s linear infinite;
}
.ticker-track span { white-space: nowrap; }
.ticker-track b { color: var(--yellow-400); font-weight: 700; }
.ticker-sep { color: rgba(255, 255, 255, 0.6); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* 主栏：浮起的圆角卡片 */
.masthead-bar {
  width: 90%;
  max-width: var(--shell);
  margin: 10px auto 0;
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop);
  transition: margin 0.35s var(--ease), box-shadow 0.3s var(--ease);
}
.masthead-bar > .container {
  width: 100%;
  max-width: none;
  position: static;
}
.masthead-inner {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 2.5vw, 2rem);
  padding: 0.65rem clamp(0.9rem, 2vw, 1.4rem);
  transition: padding 0.35s var(--ease);
}

/* 刊名 */
.brand { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
.brand-mark {
  width: 42px;
  height: 42px;
  object-fit: cover;
  padding: 2px;
  border: var(--stroke) solid var(--ink);
  border-radius: 14px;
  background: var(--paper);
  box-shadow: var(--pop-sm);
  transition: transform 0.35s var(--ease-pop);
}
.brand:hover .brand-mark { transform: rotate(-8deg) scale(1.06); }
.brand-text { display: flex; flex-direction: column; }
.brand-word {
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-latin {
  display: block;
  margin-top: 0.22rem;
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--accent);
}

/* 药丸导航 */
.nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 0.15rem; }
.nav-link {
  position: relative;
  display: block;
  padding: 0.5rem 0.9rem;
  border-radius: var(--r-pill);
  text-align: center;
  transition: background 0.25s ease;
}
.nav-cn {
  display: block;
  font-size: 0.93rem;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--ink-2);
  transition: color 0.25s ease;
}
.nav-en {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  color: var(--ink-4);
  transition: color 0.25s ease;
}
.nav-link:hover { background: rgba(43, 122, 232, 0.12); }
.nav-link:hover .nav-cn { color: var(--accent); }
.nav-link.active { background: var(--accent); box-shadow: var(--pop-sm); }
.nav-link.active .nav-cn { color: #fff; }
.nav-link.active .nav-en { color: rgba(255, 255, 255, 0.78); }

/* 报头主行动点 */
.masthead-cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1.25rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--gradient-accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: var(--pop-sm);
  transition: transform 0.28s var(--ease-pop), box-shadow 0.28s var(--ease-pop);
}
.masthead-cta:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 0 var(--ink); }
.masthead-cta svg { width: 15px; height: 15px; }

/* 阅读进度（贴在视口最顶部） */
.read-progress {
  position: fixed;
  left: 0;
  top: 0;
  height: 3px;
  width: 0;
  border-radius: 0 var(--r-pill) var(--r-pill) 0;
  background: var(--gradient-primary);
  z-index: 1000;
}

/* 汉堡按钮 */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  padding: 0 9px;
  border: var(--stroke) solid var(--ink);
  border-radius: 14px;
  background: var(--paper);
  box-shadow: var(--pop-sm);
}
.bar {
  display: block;
  height: 2.5px;
  border-radius: var(--r-pill);
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.2s ease;
}
.menu-toggle.open .bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.menu-toggle.open .bar:nth-child(2) { opacity: 0; }
.menu-toggle.open .bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* 滚动后收合 */
.masthead.scrolled .ticker { height: 0; opacity: 0; box-shadow: none; }
.masthead.scrolled .masthead-bar { margin-top: 6px; }
.masthead.scrolled .masthead-inner { padding-top: 0.42rem; padding-bottom: 0.42rem; }

/* ---------------------------------------------------------------
   05  按钮
   --------------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.92rem 1.7rem;
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--ink);
  color: #fff;
  font-size: 0.96rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  box-shadow: var(--pop);
  transition: transform 0.3s var(--ease-pop), box-shadow 0.3s var(--ease-pop), background 0.25s ease;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn:hover { transform: translate(-4px, -4px); box-shadow: var(--pop-lg); }
.btn:active { transform: translate(0, 0); box-shadow: var(--pop-sm); }

.btn--primary { background: var(--accent); }
.btn--primary:hover { box-shadow: 8px 8px 0 0 var(--yellow-400); }
.btn--line { background: var(--paper-hi); color: var(--ink); }
.btn--line:hover { background: var(--yellow-400); }
.btn--block { width: 100%; }

/* 平台色（沿用原站 Android 绿 / iOS 蓝） */
.btn--android { background: #3ddc84; color: #06301c; }
.btn--android:hover { box-shadow: 8px 8px 0 0 var(--ink); }
.btn--ios { background: var(--blue-400); color: #062033; }
.btn--ios:hover { box-shadow: 8px 8px 0 0 var(--ink); }

/* 文字箭头链接 */
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.2rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--paper-hi);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 800;
  box-shadow: var(--pop-sm);
  transition: transform 0.28s var(--ease-pop), box-shadow 0.28s var(--ease-pop), background 0.25s ease, color 0.25s ease;
}
.link-more::after { content: "→"; transition: transform 0.35s var(--ease-expo); }
.link-more:hover { transform: translate(-3px, -3px); box-shadow: var(--pop); background: var(--accent); color: #fff; }
.link-more:hover::after { transform: translateX(4px); }

/* ---------------------------------------------------------------
   06  封面（集中线 + 贴纸吉祥物 + 对话气泡）
   --------------------------------------------------------------- */
.cover {
  position: relative;
  padding: clamp(8.5rem, 15vw, 11.5rem) 0 clamp(4.5rem, 9vw, 7rem);
  background: var(--gradient-hero);
  overflow: hidden;
}
/* 集中线 */
.cover::before {
  content: "";
  position: absolute;
  inset: -25% -12% auto -12%;
  height: 160%;
  pointer-events: none;
  background-image: repeating-conic-gradient(
    from 0deg at 70% 44%,
    rgba(43, 122, 232, 0.1) 0deg 0.9deg,
    transparent 0.9deg 4.2deg
  );
}
.cover > .container { position: relative; z-index: 1; }

.cover-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.cover-main { min-width: 0; }

/* 竖排缎带标签 */
.cover-rail {
  position: absolute;
  top: 0;
  right: -0.5rem;
  z-index: 2;
  display: none;
}
.cover-rail span {
  display: block;
  writing-mode: vertical-rl;
  padding: 1.1rem 0.55rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.34em;
  box-shadow: var(--pop-sm);
}

.cover-title { margin: 1.2rem 0 0; }
.cover-title-cn {
  display: block;
  font-size: clamp(3.5rem, 12vw, 7.4rem);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-shadow: 4px 4px 0 #fff, 9px 9px 0 var(--cyan-400);
}
.cover-title-en {
  display: inline-block;
  margin-top: 1.2rem;
  padding: 0.3rem 1rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--paper-hi);
  font-family: var(--f-mono);
  font-size: clamp(0.68rem, 1.5vw, 0.84rem);
  letter-spacing: 0.48em;
  color: var(--accent);
  box-shadow: var(--pop-sm);
}

.cover-lead {
  margin-top: 1.6rem;
  font-size: clamp(1.3rem, 3.2vw, 1.95rem);
  font-weight: 900;
  line-height: 1.5;
  color: var(--ink);
}
.cover-desc { margin-top: 1rem; max-width: 46ch; font-size: 1.02rem; color: var(--ink-3); }

.cover-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.cover-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2.2rem;
}
.cover-meta li {
  padding: 0.35rem 0.9rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--paper-hi);
  font-size: 0.78rem;
  color: var(--ink-4);
  box-shadow: var(--pop-sm);
}
.cover-meta b { color: var(--ink); font-weight: 800; }

/* 右栏：贴纸相框 + 对话气泡 */
.cover-side { display: grid; gap: 1.6rem; }

.figure-frame {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  padding: 2rem;
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop-lg);
  overflow: hidden;
  transform: rotate(-2deg);
}
.figure-frame::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -18%;
  width: 64%;
  height: 64%;
  border-radius: 50%;
  opacity: 0.3;
  background-image: radial-gradient(circle, var(--blue-500) 1.1px, transparent 1.3px);
  background-size: 8px 8px;
}
.figure-frame img {
  position: relative;
  z-index: 1;
  width: min(76%, 240px);
  animation: floatY 4.5s ease-in-out infinite;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.figure-cap {
  margin-top: 0.9rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--ink-4);
}
.figure-cap b {
  display: inline-block;
  margin-right: 0.35rem;
  padding: 0.12rem 0.55rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--yellow-400);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 900;
}

/* 对话气泡 */
.quote-block {
  position: relative;
  padding: 1.5rem 1.6rem;
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop);
}
.quote-block::after {
  content: "";
  position: absolute;
  top: -17px;
  left: 46px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 16px solid transparent;
  border-bottom: 17px solid var(--ink);
}
.quote-block::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 50px;
  z-index: 1;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 13px solid transparent;
  border-bottom: 13px solid var(--paper-hi);
}
.quote-mark { color: var(--accent); font-size: 1.6rem; font-weight: 900; line-height: 1; }
.quote-text {
  margin-top: 0.4rem;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.7;
  color: var(--ink);
}
.quote-by {
  display: block;
  margin-top: 0.8rem;
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
}

/* ---------------------------------------------------------------
   07  数据带（深色波纹带 + 数值卡片）
   --------------------------------------------------------------- */
.datastrip {
  position: relative;
  padding: clamp(4rem, 8vw, 6rem) 0 clamp(3.5rem, 7vw, 5rem);
  background: var(--gradient-night);
  overflow: hidden;
}
/* 顶部波浪：承接封面底色 */
.datastrip::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: 52px;
  background-image: var(--wave-hero);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  transform: scaleY(-1);
  pointer-events: none;
}
/* 星点 */
.datastrip::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    radial-gradient(circle 1.5px at 10% 22%, #fff, transparent),
    radial-gradient(circle 2px at 72% 16%, var(--mint-400), transparent),
    radial-gradient(circle 1.5px at 38% 76%, #fff, transparent),
    radial-gradient(circle 2px at 88% 68%, var(--accent-dk), transparent);
  background-repeat: repeat;
  background-size: 360px 240px;
}
.datastrip > .container { z-index: 1; }

.datastrip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.9rem, 2.2vw, 1.6rem);
}
.datum {
  padding: clamp(1.3rem, 2.6vw, 1.9rem) 1rem;
  border: var(--stroke) solid rgba(217, 239, 255, 0.3);
  border-radius: var(--r-xl);
  background: rgba(255, 255, 255, 0.07);
  text-align: center;
  transition: transform 0.3s var(--ease-pop), border-color 0.3s ease, background 0.3s ease;
}
.datum:hover {
  transform: translateY(-5px);
  border-color: var(--accent-dk);
  background: rgba(255, 255, 255, 0.12);
}
.datum-num {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.2rem;
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: lining-nums tabular-nums;
  color: #fff;
  text-shadow: 3px 3px 0 rgba(0, 0, 0, 0.28);
}
.datum-unit { font-size: 0.95rem; font-weight: 800; color: var(--mint-400); }
.datum-label {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--on-dark-dim);
}

/* ---------------------------------------------------------------
   08  头条条
   --------------------------------------------------------------- */
.breaking {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  padding: clamp(1.3rem, 2.6vw, 1.8rem) clamp(1.4rem, 3vw, 2.2rem);
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop);
  transition: transform 0.32s var(--ease-pop), box-shadow 0.32s var(--ease-pop);
}
.breaking:hover { transform: translate(-4px, -4px); box-shadow: var(--pop-lg); }
.breaking-stamp {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border: var(--stroke) solid var(--ink);
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
  line-height: 1.25;
  box-shadow: var(--pop-sm);
  transform: rotate(-9deg);
}
.breaking-stamp b { display: block; font-size: 1.25rem; font-weight: 900; letter-spacing: 0; }
.breaking-kicker {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: var(--r-pill);
  background: rgba(43, 122, 232, 0.14);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.breaking-title {
  margin-top: 0.5rem;
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  font-weight: 900;
  line-height: 1.35;
  color: var(--ink);
}
.breaking-lead { margin-top: 0.3rem; font-size: 0.9rem; color: var(--ink-3); }
.breaking-go {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.05rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: #fff;
  font-size: 0.84rem;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: var(--pop-sm);
  transition: transform 0.28s var(--ease-pop), box-shadow 0.28s var(--ease-pop), background 0.25s ease;
}
.breaking-go::after { content: "→"; transition: transform 0.35s var(--ease-expo); }
.breaking:hover .breaking-go { transform: translate(-2px, -2px); box-shadow: var(--pop); background: var(--gradient-accent); }
.breaking:hover .breaking-go::after { transform: translateX(4px); }

/* ---------------------------------------------------------------
   09  栏目通用
   --------------------------------------------------------------- */
.section { position: relative; padding: var(--sect) 0; }
.section--tight { padding: clamp(3rem, 6vw, 4.5rem) 0; }

/* 交替色带：上下波浪 */
.section--alt,
.page-section--alt {
  position: relative;
  background: var(--paper-lo);
}
/* 上缘：上一段纸色以波浪形探入本段（填充上半部，故垂直翻转） */
.section--alt::before,
.page-section--alt::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: 46px;
  background-image: var(--wave-paper);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  transform: scaleY(-1);
  pointer-events: none;
}
/* 下缘：下一段纸色以波浪形探入本段 */
.section--alt::after,
.page-section--alt::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 46px;
  background-image: var(--wave-paper);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  pointer-events: none;
}
.section--alt > .container,
.page-section--alt > .container { z-index: 1; }

/* 栏目头 */
.sec-head {
  position: relative;
  max-width: 720px;
  margin: 0 auto clamp(2.6rem, 5vw, 4rem);
  text-align: center;
}
.sec-sub {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.32rem 1rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--yellow-400);
  color: var(--ink);
  font-family: var(--f-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  box-shadow: var(--pop-sm);
}
.sec-title {
  font-size: clamp(1.9rem, 5vw, 3.1rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-shadow: 3px 3px 0 rgba(62, 199, 244, 0.42);
}
.sec-title em { font-style: normal; color: var(--accent); }
.sec-desc {
  max-width: 46ch;
  margin: 1rem auto 0;
  font-size: 0.98rem;
  color: var(--ink-3);
}

/* ---------------------------------------------------------------
   10  功能卡（贴纸面板）
   --------------------------------------------------------------- */
.panels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2.4vw, 1.7rem);
}
.panel {
  position: relative;
  padding: clamp(1.7rem, 3vw, 2.3rem);
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop);
  transition: transform 0.32s var(--ease-pop), box-shadow 0.32s var(--ease-pop), border-color 0.3s ease;
}
.panel:hover {
  transform: translate(-4px, -4px) rotate(-1deg);
  box-shadow: var(--pop-lg);
  border-color: var(--accent);
}
.panel-no {
  position: absolute;
  top: -15px;
  right: 20px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: var(--stroke) solid var(--ink);
  border-radius: 50%;
  background: var(--yellow-400);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 900;
  box-shadow: var(--pop-sm);
  transform: rotate(8deg);
}
.panel-ico {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: 1.1rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-md);
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--pop-sm);
  transition: transform 0.35s var(--ease-pop);
}
.panel:hover .panel-ico { transform: rotate(-8deg) scale(1.06); }
.panel-ico svg { width: 30px; height: 30px; }
.panel h3 {
  font-size: 1.18rem;
  font-weight: 900;
  line-height: 1.4;
  color: var(--ink);
}
.panel p { margin-top: 0.6rem; font-size: 0.92rem; line-height: 1.75; color: var(--ink-3); }
.panel-tag {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.2rem 0.65rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--paper-lo);
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ---------------------------------------------------------------
   11  图版（手机立牌）
   --------------------------------------------------------------- */
.plates-wrap { position: relative; display: flex; align-items: center; gap: 1.2rem; }
.plates-track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.4rem 0.4rem 1.4rem;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
.plates-track::-webkit-scrollbar { height: 6px; }
.plates-track::-webkit-scrollbar-track { background: rgba(15, 23, 42, 0.1); border-radius: var(--r-pill); }
.plates-track::-webkit-scrollbar-thumb { background: var(--accent); border-radius: var(--r-pill); }

.plate { flex: 0 0 272px; scroll-snap-align: start; }
.plate-img {
  position: relative;
  padding: 22px 10px 12px;
  border: var(--stroke-bold) solid var(--ink);
  border-radius: 34px;
  background: var(--ink);
  box-shadow: var(--pop);
  overflow: hidden;
  transition: transform 0.35s var(--ease-pop), box-shadow 0.35s var(--ease-pop);
}
.plate-img::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 50%;
  transform: translateX(-50%);
  width: 58px;
  height: 5px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.42);
}
.plate-img img { width: 100%; border-radius: 22px; }
.plate:hover .plate-img { transform: translate(-4px, -4px) rotate(-1.5deg); box-shadow: var(--pop-lg); }
.plate-cap {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.95rem;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink-2);
}
.plate-no {
  flex-shrink: 0;
  padding: 0.16rem 0.6rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--blue-500);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
}

.plates-nav { display: flex; flex-direction: column; gap: 0.6rem; flex-shrink: 0; }
.scr-btn {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: var(--stroke) solid var(--ink);
  border-radius: 50%;
  background: var(--paper-hi);
  color: var(--ink);
  box-shadow: var(--pop-sm);
  transition: transform 0.28s var(--ease-pop), box-shadow 0.28s var(--ease-pop), background 0.25s ease, color 0.25s ease;
}
.scr-btn svg { width: 20px; height: 20px; }
.scr-btn:hover { background: var(--accent); color: #fff; transform: translate(-3px, -3px); box-shadow: var(--pop); }

/* ---------------------------------------------------------------
   12  下载区
   --------------------------------------------------------------- */
.dl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.2rem, 2.8vw, 2rem); }
.dl-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(1.7rem, 3.2vw, 2.3rem);
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop);
  transition: transform 0.32s var(--ease-pop), box-shadow 0.32s var(--ease-pop);
}
.dl-card:hover { transform: translate(-5px, -5px); box-shadow: var(--pop-lg); }
.dl-card--pick { border-color: var(--accent); }
.dl-card--pick::before {
  content: "推荐";
  position: absolute;
  top: -16px;
  left: 24px;
  padding: 0.25rem 0.85rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--yellow-400);
  color: var(--ink);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  box-shadow: var(--pop-sm);
  transform: rotate(-4deg);
}
.dl-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 2px dashed var(--rule-soft);
}
.dl-os {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--ink);
}
.dl-os small {
  display: block;
  margin-top: 0.3rem;
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.dl-ver {
  flex-shrink: 0;
  padding: 0.32rem 0.8rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: rgba(43, 122, 232, 0.14);
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 900;
  box-shadow: var(--pop-sm);
}
.dl-specs { margin: 1.1rem 0 1.5rem; }
.dl-specs li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--rule-soft);
  font-size: 0.88rem;
}
.dl-specs li:last-child { border-bottom: 0; }
.dl-specs span {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.dl-specs b { font-weight: 800; color: var(--ink); }
.dl-card .btn { margin-top: auto; }

/* 说明条 */
.notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(0.9rem, 2.2vw, 1.5rem);
  margin-top: clamp(1.4rem, 3vw, 2.2rem);
}
.note {
  display: flex;
  gap: 0.9rem;
  padding: 1.25rem 1.4rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-lg);
  background: var(--paper-hi);
  box-shadow: var(--pop-sm);
  transition: transform 0.3s var(--ease-pop), box-shadow 0.3s var(--ease-pop);
}
.note:hover { transform: translate(-3px, -3px); box-shadow: var(--pop); }
.note svg { width: 28px; height: 28px; flex-shrink: 0; margin-top: 2px; color: var(--accent); }
.note strong { display: block; font-size: 0.98rem; font-weight: 900; color: var(--ink); }
.note small { display: block; margin-top: 0.25rem; font-size: 0.85rem; line-height: 1.6; color: var(--ink-3); }

.dl-tip {
  max-width: 720px;
  margin: clamp(1.8rem, 4vw, 2.6rem) auto 0;
  padding: 1rem 1.4rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-lg);
  background: var(--paper-hi);
  box-shadow: var(--pop-sm);
  text-align: center;
  font-size: 0.92rem;
  color: var(--ink-3);
}
.dl-tip a { color: var(--accent); font-weight: 800; border-bottom: 2px solid currentColor; }
.dl-tip a:hover { color: var(--accent-hi); }

/* ---------------------------------------------------------------
   13  内页页头
   --------------------------------------------------------------- */
.page-head {
  position: relative;
  padding: clamp(8.5rem, 15vw, 11rem) 0 clamp(3.5rem, 7vw, 5.5rem);
  overflow: hidden;
  background: var(--gradient-hero);
}
.page-head::before {
  content: "";
  position: absolute;
  inset: -25% -12% auto -12%;
  height: 160%;
  pointer-events: none;
  background-image: repeating-conic-gradient(
    from 0deg at 82% 40%,
    rgba(43, 122, 232, 0.09) 0deg 0.9deg,
    transparent 0.9deg 4.4deg
  );
}
.page-head > .container { position: relative; z-index: 1; }
.page-head h1 {
  margin-top: 1.2rem;
  font-size: clamp(2.4rem, 7.5vw, 4.6rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-shadow: 3px 3px 0 #fff, 7px 7px 0 var(--cyan-400);
}
.page-head h1 em { font-style: normal; color: var(--accent); }
.page-head-sub {
  display: inline-block;
  margin-top: 1.4rem;
  padding: 0.5rem 1.2rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--paper-hi);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  font-weight: 800;
  color: var(--ink-2);
  box-shadow: var(--pop-sm);
}
.page-head-rail {
  position: absolute;
  top: 0;
  right: -0.5rem;
  z-index: 2;
  display: none;
}
.page-head-rail span {
  display: block;
  writing-mode: vertical-rl;
  padding: 1rem 0.5rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--gradient-accent);
  color: #fff;
  font-family: var(--f-mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  box-shadow: var(--pop-sm);
}

.page-section { padding: var(--sect) 0; }

/* ---------------------------------------------------------------
   14  问答（圆角手风琴）
   --------------------------------------------------------------- */
.qa-list {
  display: grid;
  gap: clamp(0.8rem, 1.8vw, 1.1rem);
  max-width: 880px;
  margin: 0 auto;
}
.qa-item {
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-lg);
  background: var(--paper-hi);
  box-shadow: var(--pop-sm);
  overflow: hidden;
  transition: box-shadow 0.3s var(--ease), border-color 0.3s ease;
}
.qa-item:hover { box-shadow: var(--pop); }
.qa-item.open { border-color: var(--accent); box-shadow: var(--pop); }
.qa-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(0.8rem, 2.2vw, 1.4rem);
  width: 100%;
  padding: clamp(1rem, 2.2vw, 1.35rem) clamp(1.1rem, 2.4vw, 1.5rem);
  text-align: left;
}
.qa-no {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-sm);
  background: var(--accent);
  color: #fff;
  font-size: 0.86rem;
  font-weight: 900;
  box-shadow: var(--pop-sm);
  transition: background 0.25s ease, transform 0.3s var(--ease-pop);
  transform: rotate(-4deg);
}
.qa-text {
  font-size: clamp(1rem, 2.2vw, 1.16rem);
  font-weight: 900;
  line-height: 1.5;
  color: var(--ink);
}
.qa-mark {
  position: relative;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border: var(--stroke) solid var(--ink);
  border-radius: 50%;
  background: var(--yellow-400);
  box-shadow: var(--pop-sm);
  transition: background 0.25s ease, transform 0.4s var(--ease-pop);
}
.qa-mark::before,
.qa-mark::after {
  content: "";
  position: absolute;
  inset: 50% 42% auto 42%;
  height: 2.5px;
  margin-top: -1.25px;
  border-radius: var(--r-pill);
  background: var(--ink);
}
.qa-mark::after { transform: rotate(90deg); }
.qa-item.open .qa-mark { background: var(--gradient-accent); transform: rotate(135deg); }
.qa-item.open .qa-mark::before,
.qa-item.open .qa-mark::after { background: #fff; }
.qa-item.open .qa-no { background: var(--gradient-accent); transform: rotate(4deg); }
.qa-q:hover .qa-mark { transform: scale(1.08); }
.qa-item.open .qa-q:hover .qa-mark { transform: rotate(135deg) scale(1.08); }

.qa-a {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s var(--ease), opacity 0.35s ease;
}
.qa-item.open .qa-a { max-height: 480px; opacity: 1; }
.qa-a-inner {
  max-width: 66ch;
  padding: 0 clamp(1.1rem, 2.4vw, 1.5rem) clamp(1.2rem, 2.4vw, 1.6rem);
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink-3);
}

.contact-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.3rem;
  align-items: center;
  width: 100%;
  max-width: 720px;
  padding: clamp(1.4rem, 3vw, 1.9rem) clamp(1.4rem, 3vw, 2.1rem);
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop);
}
.contact-card .ico {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-md);
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--pop-sm);
}
.contact-card .ico svg { width: 26px; height: 26px; }
.contact-card strong { display: block; font-size: 1.08rem; font-weight: 900; color: var(--ink); }
.contact-card p { margin-top: 0.3rem; font-size: 0.9rem; color: var(--ink-3); }

/* ---------------------------------------------------------------
   15  评价（对话气泡卡）
   --------------------------------------------------------------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.6vw, 1.8rem); }
.review {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(1.4rem, 3vw, 1.9rem);
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop);
  transition: transform 0.32s var(--ease-pop), box-shadow 0.32s var(--ease-pop);
}
.review:hover { transform: translate(-4px, -4px) rotate(-0.6deg); box-shadow: var(--pop-lg); }
/* 气泡尾巴：外描边 + 内填充两层三角 */
.review::after {
  content: "";
  position: absolute;
  left: 38px;
  bottom: -18px;
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 6px solid transparent;
  border-top: 18px solid var(--ink);
}
.review::before {
  content: "";
  position: absolute;
  left: 41px;
  bottom: -13px;
  z-index: 1;
  width: 0;
  height: 0;
  border-left: 12px solid transparent;
  border-right: 5px solid transparent;
  border-top: 14px solid var(--paper-hi);
}
.review-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-bottom: 1rem;
  border-bottom: 2px dashed var(--rule-soft);
}
.review-avatar {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border: var(--stroke) solid var(--ink);
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #2a0f3a;
  font-size: 1.2rem;
  font-weight: 900;
  box-shadow: var(--pop-sm);
}
.review-name { display: block; font-size: 1rem; font-weight: 900; line-height: 1.4; color: var(--ink); }
.review-role {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.stars { flex-shrink: 0; margin-left: auto; font-size: 0.8rem; letter-spacing: 0.1em; color: var(--gold); }
.review-text {
  margin: 1.1rem 0 1.4rem;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--ink-2);
}
.review-text::before { content: "「"; color: var(--accent); font-weight: 900; }
.review-text::after { content: "」"; color: var(--accent); font-weight: 900; }
.review-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 2px dashed var(--rule-soft);
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--ink-4);
}

.review-note {
  width: 100%;
  max-width: 640px;
  padding: 1rem 1.4rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--paper-hi);
  box-shadow: var(--pop-sm);
  text-align: center;
  font-size: 0.9rem;
  color: var(--ink-3);
}

/* ---------------------------------------------------------------
   16  更新公告
   --------------------------------------------------------------- */
.update-list { display: grid; gap: clamp(1rem, 2.4vw, 1.5rem); }
.update {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
  padding: clamp(1.3rem, 2.8vw, 1.8rem) clamp(1.3rem, 3vw, 2rem);
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop);
  transition: transform 0.32s var(--ease-pop), box-shadow 0.32s var(--ease-pop), border-color 0.3s ease;
}
.update:hover { transform: translate(-4px, -4px); box-shadow: var(--pop-lg); border-color: var(--accent); }
.update-date { display: flex; flex-direction: column; align-items: flex-start; gap: 0.5rem; }
.update-date > :first-child {
  font-family: var(--f-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--ink-4);
  white-space: nowrap;
}
.update-ver {
  display: inline-block;
  padding: 0.22rem 0.7rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--gradient-primary);
  color: var(--ink);
  font-family: var(--f-mono);
  font-size: 0.68rem;
  font-weight: 700;
  box-shadow: var(--pop-sm);
  white-space: nowrap;
}
.update h3 {
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  font-weight: 900;
  line-height: 1.4;
  color: var(--ink);
}
.update p { margin-top: 0.5rem; max-width: 62ch; font-size: 0.94rem; line-height: 1.8; color: var(--ink-3); }
.update-badge {
  flex-shrink: 0;
  padding: 0.32rem 0.85rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--gradient-accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  white-space: nowrap;
  box-shadow: var(--pop-sm);
  transform: rotate(-3deg);
}
.update-badge--ink { background: var(--yellow-400); color: var(--ink); }

.editors-note {
  max-width: 800px;
  margin: 0 auto;
  padding: clamp(1.6rem, 3.4vw, 2.4rem);
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop);
}
.editors-note .kicker { display: flex; margin-bottom: 1.1rem; }
.editors-note p { font-size: 1rem; line-height: 1.9; color: var(--ink-2); }
.editors-note p + p { margin-top: 0.9rem; }
.editors-note strong { color: var(--ink); font-weight: 900; }

/* ---------------------------------------------------------------
   17  关于 + 年表
   --------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.portrait {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 5;
  padding: 2rem;
  border: var(--stroke-bold) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop-lg);
  overflow: hidden;
  transform: rotate(1.5deg);
}
.portrait::after {
  content: "";
  position: absolute;
  inset: auto -15% -20% auto;
  width: 66%;
  height: 60%;
  border-radius: 50%;
  opacity: 0.3;
  background-image: radial-gradient(circle, var(--blue-500) 1.1px, transparent 1.3px);
  background-size: 8px 8px;
}
.portrait img { position: relative; z-index: 1; width: min(68%, 210px); }
.portrait-cap {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 2;
  padding: 0.7rem 1rem;
  border-top: var(--stroke) solid var(--ink);
  background: var(--paper-hi);
  text-align: center;
  font-size: 0.78rem;
  color: var(--ink-4);
}
.portrait-cap b {
  display: inline-block;
  margin-right: 0.35rem;
  padding: 0.1rem 0.5rem;
  border-radius: var(--r-pill);
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 900;
}
.about-body p { font-size: 1rem; line-height: 1.9; color: var(--ink-3); }
.about-body p + p { margin-top: 1rem; }
.about-body strong { color: var(--ink); font-weight: 900; }
.about-body .sec-title { margin-bottom: 1.2rem; text-align: left; text-shadow: none; }
.about-body .sec-sub { margin-bottom: 0.7rem; }

.checks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin-top: 1.8rem;
}
.checks li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.85rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--paper-hi);
  box-shadow: var(--pop-sm);
  font-size: 0.87rem;
  font-weight: 800;
  color: var(--ink-2);
  transition: transform 0.28s var(--ease-pop);
}
.checks li:hover { transform: translate(-3px, -3px); }
.checks li:nth-child(odd),
.checks li:nth-child(even) { padding-left: 0.85rem; padding-right: 0.85rem; }
.check {
  flex-shrink: 0;
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--mint-400);
  color: var(--ink);
  font-size: 0.68rem;
  font-weight: 900;
}

.timeline { display: grid; gap: 0.9rem; }
.tl-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1rem, 2.6vw, 1.8rem);
  align-items: center;
  padding: clamp(1.1rem, 2.4vw, 1.5rem) clamp(1.2rem, 2.6vw, 1.8rem);
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-xl);
  background: var(--paper-hi);
  box-shadow: var(--pop-sm);
  transition: transform 0.3s var(--ease-pop), box-shadow 0.3s var(--ease-pop);
}
.tl-item:hover { transform: translate(-4px, -4px); box-shadow: var(--pop); }
.tl-year {
  display: grid;
  place-items: center;
  min-width: 88px;
  padding: 0.55rem 0.9rem;
  border: var(--stroke) solid var(--ink);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 900;
  font-variant-numeric: lining-nums;
  box-shadow: var(--pop-sm);
  transform: rotate(-3deg);
}
.tl-body strong { display: block; font-size: 1.1rem; font-weight: 900; color: var(--ink); }
.tl-body p { margin-top: 0.35rem; font-size: 0.93rem; line-height: 1.8; color: var(--ink-3); }

/* ---------------------------------------------------------------
   18  页脚（星空）
   --------------------------------------------------------------- */
.colophon {
  position: relative;
  padding-top: clamp(4.5rem, 8vw, 6.5rem);
  background: var(--gradient-night);
  color: var(--on-dark-dim);
  overflow: hidden;
}
/* 顶部波浪：承接上一段浅色带 */
.colophon::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: 52px;
  background-image: var(--wave-lo);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  transform: scaleY(-1);
  pointer-events: none;
}
/* 星点 */
.colophon::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    radial-gradient(circle 1.5px at 8% 18%, #fff, transparent),
    radial-gradient(circle 2px at 74% 10%, var(--mint-400), transparent),
    radial-gradient(circle 1.5px at 34% 62%, #fff, transparent),
    radial-gradient(circle 2px at 90% 74%, var(--accent-dk), transparent),
    radial-gradient(circle 1.5px at 20% 86%, var(--pink-400), transparent);
  background-repeat: repeat;
  background-size: 380px 260px;
}
.colophon .container { z-index: 1; }
.colophon-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}
.colophon .brand-word { color: #fff; }
.colophon .brand-mark { border-color: var(--accent-dk); background: transparent; }
.colophon .brand-latin { color: var(--accent-dk); }
.colophon-tag {
  max-width: 32ch;
  margin-top: 1rem;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--on-dark-dim);
}
.colophon-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.2rem, 3vw, 2.5rem); }
.colophon-col h4 {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.22rem 0.75rem;
  border: var(--stroke) solid var(--accent-dk);
  border-radius: var(--r-pill);
  background: rgba(125, 211, 252, 0.12);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dk);
}
.colophon-col a {
  display: block;
  padding: 0.3rem 0;
  font-size: 0.9rem;
  color: var(--on-dark-dim);
  transition: color 0.2s ease, transform 0.3s var(--ease-pop);
}
.colophon-col a:hover { color: #fff; transform: translateX(4px); }
.colophon-bottom {
  padding: 1.1rem 0 1.4rem;
  border-top: 1px solid var(--rule-dark);
}
.colophon-bottom .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--on-dark-faint);
}

/* ---------------------------------------------------------------
   19  返回顶部
   --------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 800;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border: var(--stroke-bold) solid var(--ink);
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--ink);
  box-shadow: var(--pop);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.35s ease, transform 0.35s var(--ease-pop), visibility 0.35s, box-shadow 0.3s var(--ease-pop);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translate(-3px, -3px); box-shadow: var(--pop-lg); }
.back-to-top svg { width: 20px; height: 20px; }

/* ---------------------------------------------------------------
   20  入场动效
   --------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(26px) scale(0.98);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease-pop);
}
.reveal.visible { opacity: 1; transform: translateY(0) scale(1); }
.delay-1 { transition-delay: 0.09s; }
.delay-2 { transition-delay: 0.18s; }
.delay-3 { transition-delay: 0.27s; }

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

/* ---------------------------------------------------------------
   21  响应式
   --------------------------------------------------------------- */
@media (min-width: 1200px) {
  .cover-rail,
  .page-head-rail { display: block; }
  .cover-grid { padding-right: 3rem; }
  .page-head .container { padding-right: 3rem; }
}

@media (max-width: 1120px) {
  .nav-list { gap: 0; }
  .nav-link { padding: 0.5rem 0.65rem; }
  .brand-latin { display: none; }
  .panels { grid-template-columns: repeat(2, 1fr); }
  .panel:last-child:nth-child(odd) { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .cover-grid,
  .about-grid { grid-template-columns: 1fr; }
  .cover-side { order: -1; }
  .cover-rail,
  .page-head-rail { display: none; }
  .figure-frame { aspect-ratio: 16 / 10; transform: rotate(-1.5deg); }
  .figure-frame img { width: min(40%, 180px); }
  .portrait { aspect-ratio: 3 / 2; transform: rotate(1deg); }
  .portrait img { width: min(32%, 160px); }
  .portrait-cap { position: static; margin-top: 1.2rem; border-top: 0; padding: 0; background: none; }

  .reviews,
  .dl-grid { grid-template-columns: 1fr; }
  .notes { grid-template-columns: 1fr; }

  .datastrip-grid { grid-template-columns: repeat(2, 1fr); }
  .breaking { grid-template-columns: auto minmax(0, 1fr); }
  .breaking-go { grid-column: 2; justify-self: start; margin-top: 0.4rem; }

  .update { grid-template-columns: 1fr; gap: 0.8rem; }
  .update-date { flex-direction: row; align-items: center; gap: 0.8rem; }

  .tl-item { grid-template-columns: 1fr; gap: 0.8rem; }
  .tl-year { justify-self: start; min-width: 0; }
  .colophon-top { grid-template-columns: 1fr; }

  /* 气泡尾巴在单列下会压到下一张卡，隐藏 */
  .review::before,
  .review::after { display: none; }
}

@media (max-width: 780px) {
  .menu-toggle { display: flex; }
  .masthead-cta { display: none; }
  .masthead-bar { border-radius: var(--r-lg); }

  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(84%, 330px);
    max-width: none;
    margin-left: 0;
    padding: 5.5rem 1.4rem 2rem;
    border-left: var(--stroke-bold) solid var(--ink);
    border-radius: var(--r-xl) 0 0 var(--r-xl);
    background: var(--paper-hi);
    box-shadow: -8px 0 0 0 rgba(15, 23, 42, 0.1);
    transform: translateX(102%);
    transition: transform 0.42s var(--ease-pop);
    overflow-y: auto;
    z-index: 950;
  }
  .nav.open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0.4rem; }
  .nav-link { padding: 0.8rem 1rem; border: var(--stroke) solid transparent; text-align: left; }
  .nav-link:hover { border-color: var(--rule-soft); }
  .nav-link.active { border-color: var(--ink); }
  .nav-cn { font-size: 1.12rem; }
  .nav-en { font-size: 0.62rem; }

  .plates-nav { display: none; }
  .plate { flex: 0 0 232px; }
  .sec-title { text-shadow: 2px 2px 0 rgba(62, 199, 244, 0.42); }
  .cover-title-cn { text-shadow: 3px 3px 0 #fff, 6px 6px 0 var(--cyan-400); }
}

@media (max-width: 620px) {
  .panels { grid-template-columns: 1fr; }
  .panel:last-child:nth-child(odd) { grid-column: auto; }
  .datastrip-grid { grid-template-columns: 1fr; }
  .checks { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .folio { font-size: 0.6rem; padding: 0.35rem 0.8rem; gap: 0.5rem; }
  .cover-meta { gap: 0.5rem; }
  .cover-actions .btn { width: 100%; }
  .quote-block { padding: 1.2rem 1.3rem; }
  .breaking-stamp { width: 56px; height: 56px; }
  .breaking-stamp b { font-size: 1rem; }
  .colophon-cols { grid-template-columns: 1fr; gap: 1.6rem; }
  .colophon-bottom .container { flex-direction: column; }
  .contact-card { grid-template-columns: 1fr; gap: 1rem; }
  .review-note { border-radius: var(--r-lg); }
  .back-to-top { right: 1rem; bottom: 1rem; width: 46px; height: 46px; }
}