/* =========================================================
   星舰文件库 — 前台样式（原创，无第三方库）
   主题：深空夜幕 × 星芒紫 × 樱花粉（双主题 CSS 变量）
   动效清单：加载屏 / 星空画布 / 樱花飘落 / 光标星芒拖尾
   滚动进度 / 彗星飞过 / 轨道芯片 / 跑马灯 / 滚动显现
   卡片 3D 倾斜 / 按钮涟漪 / 数字滚动 / 打字机 / 返回顶部
   ========================================================= */

/* ---------- 主题变量 ---------- */
.theme-light, .theme-system {
  --bg-soft: #f4f1fa;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-solid: #ffffff;
  --text: #241b3d;
  --text-soft: #5b5175;
  --text-dim: #8b80a8;
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(139, 92, 246, 0.16);
  --card-shadow: 0 10px 34px rgba(91, 74, 148, 0.12);
  --card-shadow-hover: 0 22px 54px rgba(139, 92, 246, 0.22);
  --star-opacity: 0.5;
  --input-bg: rgba(255, 255, 255, 0.9);
  color-scheme: light;
}
.theme-dark {
  --bg-soft: #150b33;
  --surface: rgba(28, 16, 64, 0.55);
  --surface-solid: #170e36;
  --text: #f4ecff;
  --text-soft: #c9bce8;
  --text-dim: #8f83b3;
  --glass-bg: rgba(28, 16, 64, 0.55);
  --glass-border: rgba(183, 156, 255, 0.22);
  --card-shadow: 0 14px 40px rgba(7, 3, 18, 0.5);
  --card-shadow-hover: 0 26px 60px rgba(139, 92, 246, 0.35);
  --star-opacity: 1;
  --input-bg: rgba(7, 3, 18, 0.55);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  .theme-system {
    --bg-soft: #150b33;
    --surface: rgba(28, 16, 64, 0.55);
    --surface-solid: #170e36;
    --text: #f4ecff;
    --text-soft: #c9bce8;
    --text-dim: #8f83b3;
    --glass-bg: rgba(28, 16, 64, 0.55);
    --glass-border: rgba(183, 156, 255, 0.22);
    --card-shadow: 0 14px 40px rgba(7, 3, 18, 0.5);
    --card-shadow-hover: 0 26px 60px rgba(139, 92, 246, 0.35);
    --star-opacity: 1;
    --input-bg: rgba(7, 3, 18, 0.55);
    color-scheme: dark;
  }
}

:root {
  /* 固定点缀色（两套主题通用） */
  --gold: #d9940e;
  --sakura: #e2549f;
  --sakura-deep: #c93d86;
  --star-blue: #3f8fd2;
  --mint: #1da87c;
  --ok: #1da87c;
  --danger: #d8455f;
  /* 深色主题下的点缀色更亮（由 .theme-dark 覆写） */
  --radius: 20px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", system-ui, sans-serif;
}
.theme-dark {
  --gold: #ffd9a0;
  --sakura: #ff9ec7;
  --sakura-deep: #ff6fae;
  --star-blue: #7cc7ff;
  --mint: #9df5d4;
  --ok: #9df5d4;
  --danger: #ff7d95;
}
@media (prefers-color-scheme: dark) {
  .theme-system {
    --gold: #ffd9a0;
    --sakura: #ff9ec7;
    --sakura-deep: #ff6fae;
    --star-blue: #7cc7ff;
    --mint: #9df5d4;
    --ok: #9df5d4;
    --danger: #ff7d95;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background .5s ease, color .5s ease;
}
::selection { background: var(--theme); color: #fff; }
a { color: var(--theme); }
img { max-width: 100%; }

.wrap { width: min(1200px, 92vw); margin-inline: auto; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-soft); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--sakura), var(--theme));
  border-radius: 99px;
  border: 2px solid var(--bg-soft);
}

/* ============ 加载屏 ============ */
.loader {
  position: fixed; inset: 0; z-index: 3000;
  display: grid; place-content: center; justify-items: center; gap: 18px;
  background:
    radial-gradient(ellipse at 50% 60%, var(--bg-soft), var(--bg) 70%);
  transition: opacity .7s ease, visibility .7s;
}
.loader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.loader__comet { animation: loaderComet 1.6s ease-in-out infinite; filter: drop-shadow(0 0 14px var(--sakura)); }
@keyframes loaderComet {
  0%, 100% { transform: translateX(-26px) scaleX(.92); opacity: .75; }
  50%      { transform: translateX(26px) scaleX(1.06); opacity: 1; }
}
.loader__text { color: var(--text-soft); letter-spacing: .3em; font-size: 13px; animation: textBlink 1.4s ease-in-out infinite; }
@keyframes textBlink { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }
.loader__bar { width: 240px; height: 6px; border-radius: 99px; background: color-mix(in srgb, var(--theme) 15%, transparent); overflow: hidden; }
.loader__bar span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--star-blue), var(--theme), var(--sakura));
  border-radius: 99px; transition: width .2s ease;
  box-shadow: 0 0 12px var(--sakura);
}

/* ============ 自定义光标 + 星芒拖尾 ============ */
.sparkle-canvas { position: fixed; inset: 0; z-index: 1900; pointer-events: none; }
.cursor-dot {
  position: fixed; z-index: 1901; left: 0; top: 0;
  width: 14px; height: 14px; border-radius: 50%;
  background: radial-gradient(circle, #fff 0%, var(--sakura) 45%, transparent 75%);
  pointer-events: none; transform: translate(-50%, -50%);
  box-shadow: 0 0 16px var(--sakura), 0 0 34px color-mix(in srgb, var(--theme) 70%, transparent);
  transition: width .25s, height .25s, background .25s;
}
.cursor-dot.is-hover { width: 34px; height: 34px; background: radial-gradient(circle, rgba(255,255,255,.9) 0%, color-mix(in srgb, var(--sakura) 40%, transparent) 45%, transparent 72%); }
@media (hover: none), (pointer: coarse) { .cursor-dot, .sparkle-canvas { display: none; } }

/* ============ 滚动进度 ============ */
.scroll-progress {
  position: fixed; top: 0; left: 0; z-index: 1500;
  height: 3px; width: 0;
  background: linear-gradient(90deg, var(--star-blue), var(--sakura), var(--gold));
  box-shadow: 0 0 10px var(--sakura);
}

/* ============ 背景层 ============ */
.bg-gradient {
  position: fixed; inset: 0; z-index: -3;
  background:
    radial-gradient(ellipse 80% 55% at 78% 12%, color-mix(in srgb, var(--theme) 26%, transparent), transparent 60%),
    radial-gradient(ellipse 70% 50% at 12% 85%, color-mix(in srgb, var(--sakura) 14%, transparent), transparent 60%),
    radial-gradient(ellipse 90% 60% at 50% 110%, color-mix(in srgb, var(--star-blue) 12%, transparent), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 120%);
}
.theme-light .bg-gradient, .theme-system .bg-gradient { opacity: .9; }
.star-canvas, .sakura-canvas { position: fixed; inset: 0; z-index: -2; pointer-events: none; opacity: var(--star-opacity); }
.sakura-canvas { z-index: -1; }

/* 彗星飞过 */
.comet-flyer {
  position: fixed; z-index: -1; top: 14vh; left: -18vw;
  width: 26vw; height: 3px; pointer-events: none;
  animation: cometCross 16s linear infinite;
}
.comet-flyer__head {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: 8px; height: 8px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 12px 3px var(--gold), 0 0 30px 8px color-mix(in srgb, var(--sakura) 55%, transparent);
}
.comet-flyer__tail {
  position: absolute; right: 8px; top: 0; height: 3px; width: 100%;
  background: linear-gradient(270deg, color-mix(in srgb, var(--gold) 90%, transparent), color-mix(in srgb, var(--star-blue) 35%, transparent) 55%, transparent);
  border-radius: 99px; filter: blur(.6px);
}
@keyframes cometCross {
  0%   { transform: translate(0, 0) rotate(8deg); opacity: 0; }
  4%   { opacity: 1; }
  55%  { opacity: 1; }
  70%, 100% { transform: translate(135vw, 42vh) rotate(8deg); opacity: 0; }
}

/* ============ 公告条 ============ */
.announce {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1100;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 10px 18px; font-size: 13.5px; letter-spacing: .03em;
  color: #fff;
  background: linear-gradient(100deg, var(--theme), var(--sakura-deep) 60%, var(--star-blue));
  background-size: 200% 200%;
  animation: announceFlow 7s ease infinite;
  text-shadow: 0 1px 6px rgba(0,0,0,.25);
}
/* 公告条存在时：页面内容整体让位（--announce-h 由 front.js 实测写入） */
body:has(.announce) { padding-top: var(--announce-h, 0px); }
@keyframes announceFlow {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
.announce__icon { flex: none; animation: dotBlink 1.6s ease-in-out infinite; }

/* ============ 导航栏 ============ */
.nav {
  position: fixed; top: var(--announce-h, 0px); left: 0; right: 0; z-index: 1000;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  padding-inline: clamp(16px, 4vw, 44px);
  background: transparent;
  transition: background .4s ease, box-shadow .4s ease, backdrop-filter .4s;
}
.nav.is-scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 8px 40px rgba(7, 3, 18, .25);
}
.nav__brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.nav__logo {
  position: relative; width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center; overflow: hidden; flex: none;
  background: linear-gradient(135deg, color-mix(in srgb, var(--gold) 80%, #fff), var(--sakura) 55%, var(--theme));
  box-shadow: 0 0 18px color-mix(in srgb, var(--sakura) 45%, transparent);
  animation: logoPulse 3.2s ease-in-out infinite;
}
.nav__logo img { width: 100%; height: 100%; object-fit: cover; }
@keyframes logoPulse { 0%, 100% { transform: scale(.94); } 50% { transform: scale(1.06); } }
.nav__brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.nav__brand-text strong { font-size: 18px; letter-spacing: .1em; }
.nav__brand-text small { font-size: 10.5px; color: var(--text-dim); letter-spacing: .08em; }
.nav__links { display: flex; align-items: center; gap: clamp(10px, 2vw, 26px); }
.nav__links a {
  position: relative; color: var(--text-soft); text-decoration: none;
  font-size: 14.5px; letter-spacing: .05em; padding: 6px 2px;
  transition: color .3s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--sakura), var(--gold));
  transition: right .35s cubic-bezier(.6, 0, .2, 1);
}
.nav__links a:hover, .nav__links a.is-active { color: var(--text); }
.nav__links a:hover::after, .nav__links a.is-active::after { right: 0; }
.nav__toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav__toggle span {
  width: 24px; height: 2px; border-radius: 2px;
  background: var(--text); transition: transform .3s, opacity .3s;
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ 按钮 ============ */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 99px;
  font-size: 15px; font-weight: 600; letter-spacing: .05em;
  text-decoration: none; cursor: pointer; border: 0;
  font-family: var(--font);
  transition: transform .25s cubic-bezier(.34, 1.56, .64, 1), box-shadow .3s, filter .3s;
}
.btn--sm { padding: 9px 20px; font-size: 13.5px; }
.btn--primary {
  color: #fff;
  background: linear-gradient(120deg, var(--theme) 0%, var(--sakura) 55%, var(--star-blue) 100%);
  background-size: 200% 200%;
  box-shadow: 0 0 24px color-mix(in srgb, var(--sakura) 45%, transparent), 0 6px 20px color-mix(in srgb, var(--theme) 35%, transparent);
  animation: btnGradient 5s ease infinite;
}
@keyframes btnGradient {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
.btn--primary:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 0 40px color-mix(in srgb, var(--sakura) 70%, transparent), 0 10px 28px color-mix(in srgb, var(--theme) 50%, transparent); filter: brightness(1.08); }
.btn--ghost {
  color: var(--text);
  background: color-mix(in srgb, var(--theme) 8%, transparent);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { transform: translateY(-3px); border-color: var(--sakura); box-shadow: 0 0 22px color-mix(in srgb, var(--sakura) 30%, transparent); }
.btn .btn__icon { transition: transform .3s; }
.btn:hover .btn__icon { transform: translateX(4px); }
/* 光泽扫过 */
.btn::before {
  content: ""; position: absolute; top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .4), transparent);
  transform: skewX(-20deg);
  transition: left .6s ease;
}
.btn:hover::before { left: 130%; }

/* 点击涟漪 */
.ripple {
  position: absolute; border-radius: 50%;
  background: rgba(255, 255, 255, .55);
  transform: scale(0); pointer-events: none;
  animation: rippleOut .6s ease-out forwards;
}
@keyframes rippleOut { to { transform: scale(3.2); opacity: 0; } }

/* ============ Hero 首屏 ============ */
.hero {
  position: relative; min-height: 100svh;
  display: grid; grid-template-columns: 1.05fr .95fr;
  align-items: center; gap: 24px;
  padding: calc(68px + 24px) clamp(16px, 4vw, 44px) 60px;
  /* 轨道转子为整盒旋转，几何包围盒必然超出舞台；裁到 hero 内边缘（视口边缘），
     芯片出血仍在 padding 区内可见，视觉无变化但不产生文档级横向滚动 */
  overflow: clip;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 99px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(1.4);
  color: var(--text-soft); font-size: 13px; letter-spacing: .12em;
  animation: badgeFloat 4s ease-in-out infinite;
}
@keyframes badgeFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.hero__badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 10px var(--mint); animation: dotBlink 1.6s ease-in-out infinite; }
@keyframes dotBlink { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

.hero__avatar {
  width: clamp(96px, 10vw, 128px); height: clamp(96px, 10vw, 128px);
  border-radius: 28px; overflow: hidden; margin: 22px 0 6px;
  border: 1px solid var(--glass-border);
  background: linear-gradient(135deg, color-mix(in srgb, var(--theme) 30%, transparent), color-mix(in srgb, var(--sakura) 25%, transparent));
  box-shadow: 0 0 44px color-mix(in srgb, var(--theme) 40%, transparent);
  animation: coreBreathe 4.5s ease-in-out infinite;
}
.hero__avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }

.hero__title {
  margin: 14px 0 16px;
  font-size: clamp(38px, 5.4vw, 72px);
  font-weight: 800; line-height: 1.14; letter-spacing: .02em;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line span {
  display: inline-block;
  background: linear-gradient(115deg, var(--text) 8%, var(--gold) 42%, var(--sakura) 72%, var(--star-blue) 105%);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  filter: drop-shadow(0 0 22px color-mix(in srgb, var(--sakura) 35%, transparent));
  animation: titleShimmer 6s ease-in-out infinite;
  transform: translateY(110%);
  animation: titleRise .9s cubic-bezier(.22, 1, .36, 1) forwards, titleShimmer 6s 1s ease-in-out infinite;
}
.hero__title .line:nth-child(2) span { animation-delay: .12s, 1.12s; }
@keyframes titleRise { to { transform: translateY(0); } }
@keyframes titleShimmer { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

.hero__sub {
  max-width: 46ch; color: var(--text-soft); font-size: clamp(15px, 1.4vw, 17px);
  animation: fadeUp .8s .5s cubic-bezier(.22, 1, .36, 1) both;
}
.hero__sub strong { color: var(--theme); font-weight: 600; }
.typed {
  color: var(--sakura); font-weight: 700;
  text-shadow: 0 0 12px color-mix(in srgb, var(--sakura) 55%, transparent);
  padding: 0 2px;
}
.typed-caret {
  color: var(--gold); font-weight: 400; margin-left: 1px;
  animation: caretBlink .9s steps(2) infinite;
}
@keyframes caretBlink { 50% { opacity: 0; } }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 22px; animation: fadeUp .8s .68s cubic-bezier(.22, 1, .36, 1) both; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- 轨道系统 ---------- */
.orbit-stage { position: relative; height: min(62vh, 600px); display: grid; place-items: center; }
.orbit-core {
  position: relative; z-index: 3; width: 118px; height: 118px;
  display: grid; place-items: center;
  animation: coreBreathe 4.5s ease-in-out infinite;
}
@keyframes coreBreathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.07); } }
.orbit-core__glow {
  position: absolute; inset: -70%;
  background: radial-gradient(circle, color-mix(in srgb, var(--gold) 50%, transparent) 0%, color-mix(in srgb, var(--sakura) 22%, transparent) 35%, transparent 68%);
  animation: coreGlow 4.5s ease-in-out infinite;
}
@keyframes coreGlow { 0%, 100% { opacity: .7; transform: scale(1); } 50% { opacity: 1; transform: scale(1.12); } }
.orbit-core svg { position: relative; filter: drop-shadow(0 0 18px color-mix(in srgb, var(--gold) 90%, transparent)); }

.orbit-ring {
  position: absolute; left: 50%; top: 50%;
  border: 1px dashed color-mix(in srgb, var(--theme) 26%, transparent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.orbit-ring--1 { width: 240px; height: 240px; animation: ringSpin 30s linear infinite; }
.orbit-ring--2 { width: 370px; height: 370px; animation: ringSpin 46s linear infinite reverse; border-color: color-mix(in srgb, var(--sakura) 20%, transparent); }
.orbit-ring--3 { width: 510px; height: 510px; animation: ringSpin 64s linear infinite; border-color: color-mix(in srgb, var(--star-blue) 16%, transparent); }
@keyframes ringSpin { to { transform: translate(-50%, -50%) rotate(360deg); } }

.orbit-rotor {
  position: absolute; inset: 0; z-index: 4;
  pointer-events: none;
  animation: rotorSpin var(--dur, 30s) linear infinite;
}
@keyframes rotorSpin { to { transform: rotate(360deg); } }
.orbit-tilt { position: absolute; left: 50%; top: 50%; transform: translate(var(--x, 0), var(--y, 0)); }
.orbit-keep { animation: rotorSpin var(--dur, 30s) linear infinite reverse; }
.orbit-chip {
  position: absolute; left: 0; top: 0;
  transform: translate(-50%, -50%);
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-radius: 16px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 6px 26px rgba(7, 3, 18, .25);
  white-space: nowrap; cursor: pointer; pointer-events: auto;
  text-decoration: none; color: var(--text);
  transition: box-shadow .3s, border-color .3s, transform .3s;
  animation: chipBob 3.4s ease-in-out infinite;
}
.orbit-chip:hover { border-color: var(--sakura); box-shadow: 0 0 26px color-mix(in srgb, var(--sakura) 50%, transparent); }
.orbit-chip__icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: color-mix(in srgb, var(--text) 7%, transparent); }
.orbit-chip__icon svg { width: 20px; height: 20px; }
.orbit-chip b { font-size: 14.5px; font-weight: 600; letter-spacing: .04em; }
.orbit-chip small { display: block; font-size: 11px; color: var(--text-dim); }
@keyframes chipBob { 0%, 100% { margin-top: 0; } 50% { margin-top: -8px; } }

.orbit-caption {
  position: absolute; bottom: 2%; left: 50%; transform: translateX(-50%);
  text-align: center; color: var(--gold);
}
.orbit-caption .zh { font-size: 19px; letter-spacing: .3em; font-weight: 700; text-shadow: 0 0 18px color-mix(in srgb, var(--gold) 60%, transparent); }
.orbit-caption .en { font-size: 10px; letter-spacing: .3em; color: var(--text-dim); }

/* ============ 跑马灯 ============ */
/* 包裹层：跑马灯 rotate+scale(1.02) 的包围盒必然超出视口 1%，
   裁到包裹层边缘（=视口边缘）以消除文档级横向滚动，视觉无变化 */
.marquee-band { overflow: clip; }
.marquee {
  position: relative; overflow: hidden;
  border-block: 1px solid var(--glass-border);
  background: color-mix(in srgb, var(--bg-soft) 60%, transparent);
  padding: 13px 0;
  transform: rotate(-1.2deg) scale(1.02);
  margin-block: 30px;
}
.marquee__track { display: flex; gap: 44px; width: max-content; animation: marquee 26s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  display: flex; align-items: center; gap: 44px;
  font-size: 14.5px; letter-spacing: .14em; color: var(--text-soft);
  white-space: nowrap;
}
.marquee__item .star { color: var(--gold); text-shadow: 0 0 12px var(--gold); }
.marquee__item em { font-style: normal; color: var(--sakura); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ 通用板块 ============ */
.section { position: relative; padding: clamp(60px, 8vw, 108px) 0; }
.section__head { text-align: center; margin-bottom: clamp(36px, 5vw, 60px); }
.section__kicker {
  display: inline-block; padding: 6px 16px; border-radius: 99px;
  border: 1px solid var(--glass-border); background: var(--glass-bg);
  font-size: 11.5px; letter-spacing: .3em; color: var(--star-blue);
  margin-bottom: 14px;
}
.section__title {
  font-size: clamp(28px, 3.4vw, 44px); font-weight: 800; letter-spacing: .04em;
  background: linear-gradient(115deg, var(--text), var(--gold) 60%, var(--sakura));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.section__desc { margin-top: 12px; color: var(--text-soft); max-width: 60ch; margin-inline: auto; }

/* 滚动显现 */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .8s cubic-bezier(.22, 1, .36, 1), transform .8s cubic-bezier(.22, 1, .36, 1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }
.reveal[data-delay="4"] { transition-delay: .48s; }

/* ---------- 介绍 ---------- */
.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(24px, 4vw, 56px); align-items: center; }
.about-text p { color: var(--text-soft); margin-bottom: 16px; }
.about-text strong { color: var(--theme); }
.about-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.about-tags span {
  padding: 7px 16px; border-radius: 99px; font-size: 13px;
  border: 1px solid var(--glass-border); background: color-mix(in srgb, var(--theme) 10%, transparent);
  color: var(--theme); transition: transform .3s, box-shadow .3s, color .3s;
}
.about-tags span:hover { transform: translateY(-3px); color: var(--text); box-shadow: 0 0 16px color-mix(in srgb, var(--theme) 50%, transparent); }

.about-art {
  position: relative; border-radius: 26px; overflow: hidden;
  border: 1px solid var(--glass-border);
  background: linear-gradient(160deg, color-mix(in srgb, var(--theme) 30%, transparent), color-mix(in srgb, var(--bg) 88%, transparent));
  box-shadow: 0 24px 70px rgba(7, 3, 18, .25);
}
.about-art svg { display: block; width: 100%; height: auto; }
.about-art__twinkle { animation: artTwinkle 2.8s ease-in-out infinite; transform-origin: center; }
@keyframes artTwinkle { 0%, 100% { opacity: .5; } 50% { opacity: 1; } }
.about-art__petal { animation: artPetal 5s ease-in-out infinite; }
@keyframes artPetal { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(10px) rotate(18deg); } }

/* ---------- 友情链接 卡片 ---------- */
.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.friend-link {
  display: flex; align-items: center; gap: 12px;
  padding: 15px 18px; border-radius: 16px;
  background: var(--surface); border: 1px solid var(--glass-border);
  text-decoration: none; color: var(--text-soft); font-size: 14.5px;
  transition: transform .3s, border-color .3s, color .3s, box-shadow .3s;
}
.friend-link:hover { transform: translateY(-4px); border-color: var(--star-blue); color: var(--text); box-shadow: 0 0 20px color-mix(in srgb, var(--star-blue) 25%, transparent); }
.friend-link__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--star-blue); box-shadow: 0 0 8px var(--star-blue); flex: none; }

/* ---------- 联系方式 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 18px; }
.contact-card {
  position: relative; display: flex; align-items: center; gap: 14px;
  padding: 20px 22px; border-radius: var(--radius);
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(1.4);
  text-decoration: none; color: var(--text);
  transition: transform .35s cubic-bezier(.22, 1, .36, 1), border-color .35s, box-shadow .35s;
}
.contact-card:hover { transform: translateY(-6px); border-color: var(--sakura); box-shadow: var(--card-shadow-hover); }
.contact-card__icon {
  flex: none; width: 46px; height: 46px; border-radius: 13px;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--theme), var(--sakura));
  box-shadow: 0 0 18px color-mix(in srgb, var(--sakura) 40%, transparent);
}
.contact-card__icon svg { width: 22px; height: 22px; }
.contact-card b { font-size: 15px; display: block; }
.contact-card small { display: block; font-size: 12.5px; color: var(--text-dim); margin-top: 2px; }
.contact-card--qr { cursor: zoom-in; }
.contact-card--qr .qr-hint { font-size: 11.5px; color: var(--star-blue); margin-top: 4px; display: block; }

/* ---------- 入群 CTA ---------- */
.join-box {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(24px, 4vw, 56px);
  align-items: center;
  border-radius: 28px; padding: clamp(30px, 4vw, 56px);
  border: 1px solid var(--glass-border);
  background:
    radial-gradient(ellipse 70% 80% at 85% 15%, color-mix(in srgb, var(--gold) 12%, transparent), transparent 55%),
    radial-gradient(ellipse 70% 80% at 10% 90%, color-mix(in srgb, var(--star-blue) 12%, transparent), transparent 55%),
    var(--glass-bg);
  backdrop-filter: blur(18px) saturate(1.4);
}
.join-box h2 { font-size: clamp(24px, 2.8vw, 38px); font-weight: 800; line-height: 1.3; }
.join-box h2 span {
  background: linear-gradient(110deg, var(--gold), var(--sakura));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.join-box p { color: var(--text-soft); margin-top: 12px; max-width: 44ch; }

/* ============ 分享列表页 ============ */
.page-hero { padding: calc(68px + 40px) 0 30px; }
.page-hero__inner { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px; }
.page-hero h1 {
  font-size: clamp(30px, 4vw, 48px); font-weight: 800; letter-spacing: .03em;
  background: linear-gradient(115deg, var(--text), var(--gold) 55%, var(--sakura));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.page-hero p { color: var(--text-soft); margin-top: 6px; font-size: 14.5px; }

.searchbar { display: flex; gap: 10px; flex-wrap: wrap; }
.searchbar input {
  width: min(340px, 78vw); padding: 12px 18px; border-radius: 99px;
  background: var(--input-bg); border: 1px solid var(--glass-border);
  color: var(--text); font-size: 14.5px; font-family: var(--font);
  outline: none; transition: border-color .3s, box-shadow .3s;
}
.searchbar input::placeholder { color: var(--text-dim); }
.searchbar input:focus { border-color: var(--sakura); box-shadow: 0 0 0 4px color-mix(in srgb, var(--sakura) 15%, transparent); }
.searchbar button {
  padding: 12px 24px; border-radius: 99px; border: 0; cursor: pointer;
  color: #fff; font-size: 14.5px; font-weight: 600; font-family: var(--font);
  background: linear-gradient(120deg, var(--theme), var(--sakura));
  box-shadow: 0 0 20px color-mix(in srgb, var(--sakura) 35%, transparent);
  transition: transform .25s cubic-bezier(.34, 1.56, .64, 1), filter .3s;
}
.searchbar button:hover { transform: translateY(-2px); filter: brightness(1.1); }

/* 标签栏 */
.tag-bar { margin: 26px 0 8px; }
.tag-bar__title { font-size: 13px; color: var(--text-dim); letter-spacing: .14em; margin-bottom: 12px; }
.tag-bar__list { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-pill {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 17px; border-radius: 99px; font-size: 13.5px;
  background: var(--surface); border: 1px solid var(--glass-border);
  color: var(--text-soft); text-decoration: none;
  transition: transform .25s cubic-bezier(.34, 1.56, .64, 1), border-color .3s, color .3s, box-shadow .3s;
}
.tag-pill:hover { transform: translateY(-2px); border-color: var(--sakura); color: var(--text); }
.tag-pill.is-active {
  color: #fff; border-color: transparent;
  background: linear-gradient(120deg, var(--theme), var(--sakura));
  box-shadow: 0 0 18px color-mix(in srgb, var(--sakura) 40%, transparent);
}
.tag-pill__count { font-size: 11.5px; color: var(--text-dim); }
.tag-pill.is-active .tag-pill__count { color: rgba(255,255,255,.85); }

/* 分享卡片网格 */
.share-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 34px; }
.share-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(18px) saturate(1.4);
  transform-style: preserve-3d;
  transition: transform .2s ease-out, box-shadow .4s, border-color .4s;
  display: flex; flex-direction: column;
}
.share-card:hover { box-shadow: var(--card-shadow-hover); border-color: color-mix(in srgb, var(--sakura) 50%, transparent); z-index: 2; }
.share-card__art { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.share-card__art img {
  display: block; width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s cubic-bezier(.22, 1, .36, 1);
}
.share-card:hover .share-card__art img { transform: scale(1.07); }
.share-card__art--empty {
  display: grid; place-items: center;
  background:
    radial-gradient(ellipse at 30% 20%, color-mix(in srgb, var(--theme) 35%, transparent), transparent 60%),
    linear-gradient(150deg, color-mix(in srgb, var(--theme) 22%, transparent), color-mix(in srgb, var(--sakura) 12%, transparent));
}
.share-card__art--empty span {
  font-size: 13px; letter-spacing: .2em; color: var(--text-soft);
  padding: 10px 20px; border-radius: 99px;
  border: 1px dashed var(--glass-border);
  background: color-mix(in srgb, var(--bg) 40%, transparent);
}
.share-card__badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 5px 13px; border-radius: 99px; font-size: 12px; letter-spacing: .1em;
  color: #fff; font-weight: 600;
  background: linear-gradient(120deg, var(--gold), var(--sakura-deep));
  box-shadow: 0 0 14px color-mix(in srgb, var(--gold) 60%, transparent);
  animation: badgeFloat 3.6s ease-in-out infinite;
}
.share-card__body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.share-card__title {
  font-size: 17px; font-weight: 700; letter-spacing: .02em; line-height: 1.45;
  color: var(--text); text-decoration: none;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color .3s;
}
.share-card:hover .share-card__title { color: var(--sakura); }
.share-card__meta { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12.5px; color: var(--text-dim); }
.share-card__meta span { display: inline-flex; align-items: center; gap: 5px; }
.share-card__meta svg { width: 13px; height: 13px; opacity: .8; }
.share-card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.share-card__tags a {
  font-size: 12px; padding: 3px 11px; border-radius: 99px;
  background: color-mix(in srgb, var(--theme) 10%, transparent);
  border: 1px solid var(--glass-border); color: var(--theme);
  text-decoration: none; transition: border-color .3s, color .3s;
}
.share-card__tags a:hover { border-color: var(--sakura); color: var(--sakura); }

/* 空结果 */
.empty-state {
  text-align: center; padding: 70px 20px; color: var(--text-dim);
  border: 1px dashed var(--glass-border); border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg-soft) 45%, transparent);
}
.empty-state__icon { font-size: 44px; margin-bottom: 12px; animation: badgeFloat 3s ease-in-out infinite; }
.empty-state p { font-size: 14.5px; }

/* 分页 */
.pager { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 44px 0 10px; }
.pager__btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 24px; border-radius: 99px; font-size: 14px;
  background: var(--surface); border: 1px solid var(--glass-border);
  color: var(--text-soft); text-decoration: none;
  transition: transform .25s, border-color .3s, color .3s, box-shadow .3s;
}
.pager__btn:hover { transform: translateY(-2px); border-color: var(--sakura); color: var(--text); box-shadow: 0 0 16px color-mix(in srgb, var(--sakura) 30%, transparent); }
.pager__btn.is-disabled { opacity: .45; pointer-events: none; }
.pager__info { font-size: 13px; color: var(--text-dim); letter-spacing: .1em; }

/* ============ 分享详情页 ============ */
.detail-hero { padding: calc(68px + 40px) 0 0; }
.detail-title {
  font-size: clamp(26px, 3.4vw, 42px); font-weight: 800; line-height: 1.3; letter-spacing: .02em;
  background: linear-gradient(115deg, var(--text), var(--gold) 60%, var(--sakura));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.detail-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 14px; font-size: 13.5px; color: var(--text-dim); }
.detail-meta span { display: inline-flex; align-items: center; gap: 6px; }
.detail-meta svg { width: 14px; height: 14px; opacity: .8; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 14px; }

.detail-layout { display: grid; grid-template-columns: 1fr 320px; gap: 34px; margin-top: 36px; align-items: start; }
.detail-content {
  border-radius: var(--radius); padding: clamp(22px, 3vw, 36px);
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(1.4);
}
.detail-content p { color: var(--text-soft); margin-bottom: 16px; }
.detail-content p:last-child { margin-bottom: 0; }

.detail-gallery { margin-top: 22px; display: grid; gap: 14px; }
.detail-gallery img {
  width: 100%; border-radius: 16px; border: 1px solid var(--glass-border);
  cursor: zoom-in; transition: transform .4s cubic-bezier(.22, 1, .36, 1), box-shadow .4s;
}
.detail-gallery img:hover { transform: scale(1.015); box-shadow: var(--card-shadow-hover); }

/* 网盘链接卡片 */
.links-panel {
  border-radius: var(--radius); overflow: hidden;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(1.4);
  position: sticky; top: 88px;
}
.links-panel__head {
  padding: 16px 22px; font-size: 15px; font-weight: 700; letter-spacing: .06em;
  border-bottom: 1px solid var(--glass-border);
  background: color-mix(in srgb, var(--theme) 10%, transparent);
  display: flex; align-items: center; gap: 9px;
}
.links-panel__head svg { width: 17px; height: 17px; color: var(--gold); }
.links-list { padding: 14px; display: grid; gap: 12px; }
.link-item {
  border: 1px solid var(--glass-border); border-radius: 16px;
  padding: 14px 16px; background: var(--surface);
  transition: border-color .3s, box-shadow .3s;
}
.link-item:hover { border-color: color-mix(in srgb, var(--sakura) 45%, transparent); box-shadow: 0 0 18px color-mix(in srgb, var(--sakura) 18%, transparent); }
.link-item.is-invalid { opacity: .62; }
.link-item.is-invalid .link-item__url { text-decoration: line-through; }
.link-item__top { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.link-item__platform { font-size: 14.5px; font-weight: 700; color: var(--text); }
.link-item__invalid {
  font-size: 11.5px; padding: 2px 10px; border-radius: 99px;
  background: color-mix(in srgb, var(--danger) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--danger) 45%, transparent);
  color: var(--danger);
}
.link-item__code {
  font-size: 12.5px; color: var(--text-soft); margin-top: 6px;
  display: flex; align-items: center; gap: 6px;
}
.link-item__code b { color: var(--gold); letter-spacing: .12em; font-size: 14px; }
.link-item__url {
  display: block; margin-top: 7px; font-size: 12.5px; color: var(--star-blue);
  word-break: break-all; text-decoration: none;
  transition: color .3s;
}
.link-item__url:hover { color: var(--sakura); text-decoration: underline; }
.link-item__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 11px; }
.copy-btn, .report-btn {
  padding: 7px 15px; border-radius: 99px; font-size: 12.5px; font-family: var(--font);
  cursor: pointer; border: 1px solid var(--glass-border);
  background: color-mix(in srgb, var(--theme) 10%, transparent); color: var(--text-soft);
  transition: transform .25s, border-color .3s, color .3s, box-shadow .3s;
}
.copy-btn:hover, .report-btn:hover { transform: translateY(-2px); border-color: var(--sakura); color: var(--text); }
.copy-btn.is-copied { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 55%, transparent); }
.report-btn { color: var(--text-dim); }
.report-btn:hover { border-color: var(--danger); color: var(--danger); }
.report-btn.is-done { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 55%, transparent); pointer-events: none; }

/* 相关推荐 */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px; }
.related-card {
  display: flex; gap: 13px; align-items: center;
  padding: 14px 16px; border-radius: 16px;
  background: var(--surface); border: 1px solid var(--glass-border);
  text-decoration: none; color: var(--text);
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.related-card:hover { transform: translateY(-4px); border-color: var(--sakura); box-shadow: var(--card-shadow-hover); }
.related-card__thumb {
  flex: none; width: 52px; height: 52px; border-radius: 12px; overflow: hidden;
  background: linear-gradient(135deg, color-mix(in srgb, var(--theme) 30%, transparent), color-mix(in srgb, var(--sakura) 22%, transparent));
  display: grid; place-items: center;
}
.related-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.related-card b { font-size: 14px; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.4; }
.related-card small { display: block; font-size: 11.5px; color: var(--text-dim); margin-top: 3px; }

.detail-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 40px 0 8px; }

/* ============ 灯箱 ============ */
.lightbox {
  position: fixed; inset: 0; z-index: 2500;
  display: grid; place-items: center;
  background: rgba(7, 3, 18, .82);
  backdrop-filter: blur(8px);
  opacity: 0; visibility: hidden;
  transition: opacity .35s, visibility .35s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: min(92vw, 720px); max-height: 84vh; border-radius: 18px;
  box-shadow: 0 0 80px color-mix(in srgb, var(--theme) 45%, transparent);
  transform: scale(.92); transition: transform .35s cubic-bezier(.34, 1.56, .64, 1);
  background: #fff;
}
.lightbox.is-open img { transform: scale(1); }
.lightbox__hint {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,.75); font-size: 13px; letter-spacing: .14em;
  animation: textBlink 2s ease-in-out infinite;
}

/* ============ Toast 提示 ============ */
.toast-wrap { position: fixed; top: 84px; left: 50%; transform: translateX(-50%); z-index: 2600; display: grid; gap: 10px; justify-items: center; pointer-events: none; }
.toast {
  padding: 11px 24px; border-radius: 99px; font-size: 14px;
  color: #fff; background: linear-gradient(120deg, var(--theme), var(--sakura));
  box-shadow: 0 10px 34px color-mix(in srgb, var(--theme) 45%, transparent);
  animation: toastIn .4s cubic-bezier(.34, 1.56, .64, 1) both;
  display: flex; align-items: center; gap: 8px;
}
.toast.is-out { animation: toastOut .35s ease forwards; }
.toast--error { background: linear-gradient(120deg, var(--danger), var(--sakura-deep)); }
@keyframes toastIn { from { opacity: 0; transform: translateY(-14px) scale(.9); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(-10px) scale(.94); } }

/* ============ 页脚 ============ */
.footer { position: relative; margin-top: 40px; border-top: 1px solid var(--glass-border); overflow: hidden; }
.footer__glow {
  position: absolute; top: -140px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 280px;
  background: radial-gradient(ellipse, color-mix(in srgb, var(--sakura) 16%, transparent), transparent 65%);
  pointer-events: none;
}
.footer__inner { display: grid; gap: 24px; padding: clamp(40px, 6vw, 68px) 0 32px; position: relative; }
.footer__brand { display: flex; gap: 16px; align-items: flex-start; }
.footer__brand strong { font-size: 17px; letter-spacing: .08em; }
.footer__brand p { color: var(--text-dim); font-size: 13px; margin-top: 4px; max-width: 46ch; }
.footer__links { display: flex; flex-wrap: wrap; gap: 10px 30px; }
.footer__links a { color: var(--text-soft); text-decoration: none; font-size: 14px; transition: color .3s, text-shadow .3s; }
.footer__links a:hover { color: var(--gold); text-shadow: 0 0 12px color-mix(in srgb, var(--gold) 60%, transparent); }
.footer__meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-top: 20px; border-top: 1px solid var(--glass-border); color: var(--text-dim); font-size: 12.5px; }
.footer__meta strong { color: var(--gold); }

/* ============ 返回顶部 ============ */
.back-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 900;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--glass-border);
  background: var(--glass-bg); backdrop-filter: blur(18px) saturate(1.4);
  color: var(--gold); cursor: pointer;
  display: grid; place-items: center;
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity .4s, transform .4s cubic-bezier(.34, 1.56, .64, 1), box-shadow .3s;
}
.back-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-top:hover { box-shadow: 0 0 22px color-mix(in srgb, var(--gold) 50%, transparent); transform: translateY(-4px); }
.back-top svg { width: 18px; height: 18px; }

/* ============ 维护 / 错误页 ============ */
.state-page { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 30px; position: relative; }
.state-page__code {
  font-size: clamp(72px, 12vw, 130px); font-weight: 800; line-height: 1;
  background: linear-gradient(115deg, var(--gold), var(--sakura) 55%, var(--star-blue));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 26px color-mix(in srgb, var(--sakura) 45%, transparent));
  animation: coreBreathe 4s ease-in-out infinite;
}
.state-page p { color: var(--text-soft); margin-top: 14px; font-size: 15.5px; max-width: 46ch; margin-inline: auto; }
.state-page .btn { margin-top: 28px; }

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
  .share-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; }
  .links-panel { position: static; }
  .orbit-stage { transform: scale(.74); }
  .orbit-chip small { display: none; }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: calc(68px + 36px); }
  .orbit-stage { height: 58vw; min-height: 380px; order: -1; margin-bottom: 10px; transform: none; }
  .about-grid, .join-box { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav__links {
    position: fixed; top: calc(68px + var(--announce-h, 0px)); right: 0; left: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 18px clamp(16px, 4vw, 44px) 26px;
    background: var(--glass-bg); backdrop-filter: blur(18px) saturate(1.4);
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .35s, opacity .35s;
    max-height: calc(100vh - 68px); overflow-y: auto;
  }
  .nav__links.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__links a { padding: 12px 4px; font-size: 15.5px; }
  .nav__toggle { display: flex; }
  .share-grid, .related-grid { grid-template-columns: 1fr; }
  .orbit-ring--1 { width: 168px; height: 168px; }
  .orbit-ring--2 { width: 259px; height: 259px; }
  .orbit-ring--3 { width: 357px; height: 357px; }
  .orbit-tilt { transform: translate(var(--xm, 0), var(--ym, 0)); }
  .orbit-chip { padding: 8px 12px; }
  .orbit-chip small { display: none; }
  .marquee { transform: rotate(0) scale(1); }
  .detail-actions .btn { width: 100%; justify-content: center; }
}

/* ============ 朴素标签行（朴素版替换轨道视觉） ============ */
.plain-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.plain-tags a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 8px; font-size: 13.5px;
  color: var(--text-soft); border: 1px solid var(--glass-border);
  background: var(--glass-bg); text-decoration: none;
}
.plain-tags a:hover { color: var(--text); border-color: var(--theme); }
.plain-tags__count { font-size: 11.5px; color: var(--text-dim); }

/* ============ 站长博客 ============ */
.blog-list { display: grid; gap: 16px; }
.blog-item {
  display: flex; gap: 16px; align-items: stretch; text-decoration: none; color: inherit;
  padding: 16px; border-radius: var(--radius); border: 1px solid var(--glass-border);
  background: var(--glass-bg); box-shadow: var(--card-shadow);
  transition: transform .3s cubic-bezier(.22, 1, .36, 1), box-shadow .3s, border-color .3s;
}
.blog-item:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); border-color: color-mix(in srgb, var(--theme) 45%, transparent); }
.blog-item__art {
  flex: none; width: 148px; border-radius: calc(var(--radius) - 6px); overflow: hidden;
  background: linear-gradient(135deg, color-mix(in srgb, var(--theme) 26%, transparent), color-mix(in srgb, var(--sakura) 20%, transparent));
}
.blog-item__art img { width: 100%; height: 100%; object-fit: cover; display: block; }
.blog-item__art--empty {
  display: grid; place-items: center; font-size: 26px; color: var(--text-dim); min-height: 96px;
}
.blog-item__body { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.blog-item__title { font-size: 17px; font-weight: 700; color: var(--text); letter-spacing: .01em; }
.blog-item:hover .blog-item__title { color: var(--theme); }
.blog-item__sum {
  font-size: 14px; line-height: 1.72; color: var(--text-soft);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-item__meta { display: flex; gap: 16px; font-size: 12.5px; color: var(--text-dim); }
.section__more { display: flex; justify-content: center; margin-top: 30px; }

/* 文章正文 */
.post { max-width: 780px; margin: 0 auto; }
.post__cover { border-radius: var(--radius); overflow: hidden; margin-bottom: 26px; border: 1px solid var(--glass-border); }
.post__cover img { width: 100%; display: block; }
.post__body { font-size: 15.5px; line-height: 1.9; color: var(--text-soft); }
.post__body h3, .post__body h4 { color: var(--text); margin: 28px 0 12px; line-height: 1.45; }
.post__body h3 { font-size: 19px; }
.post__body h4 { font-size: 16.5px; }
.post__body p { margin-bottom: 16px; }
.post__body ul { margin: 0 0 16px 22px; }
.post__body li { margin-bottom: 7px; }
.post__body strong { color: var(--text); }
.post__body a { color: var(--theme); text-decoration: underline; text-underline-offset: 3px; }
.post__body blockquote {
  margin: 18px 0; padding: 12px 18px; border-left: 3px solid var(--theme);
  background: color-mix(in srgb, var(--theme) 8%, transparent); border-radius: 0 10px 10px 0;
  color: var(--text);
}
.post__body code {
  padding: 2px 7px; border-radius: 6px; font-size: 13.5px;
  background: rgba(127, 120, 160, .18); font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}
/* 正文图片（轻量标记 ![描述](图片) 与行内图片） */
.post__body img { max-width: 100%; height: auto; border-radius: 12px; display: block; margin: 18px 0; }
.post__body .post__img { margin: 22px 0; text-align: center; }
.post__body .post__img img { margin: 0 auto; border: 1px solid var(--glass-border); cursor: zoom-in; }
.post__body .post__img figcaption { margin-top: 8px; font-size: 12.5px; color: var(--text-dim); }
.post__back { display: flex; justify-content: center; margin-top: 34px; }

@media (max-width: 720px) {
  .blog-item { flex-direction: column; }
  .blog-item__art { width: 100%; min-height: 150px; }
}

/* ============ 动效减弱（无障碍） ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .hero__title .line span { transform: none; }
}