/* ============================================================
 * miaoyinyue.com/vincent/ · Vincent's Page 首页样式
 * 手写精简 CSS，零外部依赖（不用 Tailwind CDN / Google Fonts，
 * 国内访问不稳定）。系统字体栈 + 纯 CSS 星空 / 流星 / 星链 / 星球。
 * ============================================================ */

:root {
  --bg: #05070f;
  --bg-2: #0a0d1a;
  --line: rgba(255, 255, 255, 0.10);
  --line-hi: rgba(255, 255, 255, 0.20);
  --txt: #e6ecf8;
  --txt-2: #9aa8c2;
  --txt-3: #6b7896;
  --gold: #ffc247;
  --cyan: #22e0c8;
  --magenta: #d653b8;
  --card: rgba(255, 255, 255, 0.035);
  --mono: "SF Mono", "JetBrains Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

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

body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 锚点跳转时留出顶栏高度 */
section[id], .hero { scroll-margin-top: 78px; }

.mono { font-family: var(--mono); }

/* ============================================================
 * 背景第 1 层（最远）：星空
 * 三层星点 + 一条斜贯的银河雾带 + 两颗远处星系（零图片请求）
 * ============================================================ */
.sky {
  position: fixed; inset: 0; z-index: -3;
  pointer-events: none; overflow: hidden;
}

/* 银河：几层很淡的椭圆叠出宽雾带，模糊掉才像尘埃而不是色块 */
.sky .milkyway {
  position: absolute; inset: -25%;
  transform: rotate(-19deg);
  background:
    radial-gradient(ellipse 62% 13% at 50% 52%, rgba(158,186,255,0.16), transparent 72%),
    radial-gradient(ellipse 44% 8%  at 42% 47%, rgba(214,83,184,0.11), transparent 72%),
    radial-gradient(ellipse 78% 6%  at 56% 55%, rgba(255,255,255,0.075), transparent 72%),
    radial-gradient(ellipse 30% 5%  at 66% 50%, rgba(34,224,200,0.06), transparent 74%);
  filter: blur(16px);
}

/* 远处的小星系：不抢戏，只是让人知道这是太空 */
.sky .galaxy {
  position: absolute; top: 14%; left: 7%;
  width: 130px; height: 62px;
  transform: rotate(26deg);
  background: radial-gradient(ellipse at 50% 50%,
    rgba(255,233,176,0.30) 0%, rgba(124,92,255,0.16) 42%, transparent 72%);
  filter: blur(7px);
}
.sky .galaxy.b {
  top: 72%; left: auto; right: 6%;
  width: 96px; height: 46px;
  transform: rotate(-38deg);
  background: radial-gradient(ellipse at 50% 50%,
    rgba(158,186,255,0.24) 0%, rgba(214,83,184,0.12) 45%, transparent 72%);
}

/* 三层星点：远层小而密、中层居中、近层少而亮 */
.sky .stars { position: absolute; inset: 0; }
.sky .far {
  background-image:
    radial-gradient(circle at 4% 12%, rgba(255,255,255,0.42) 0.5px, transparent 1.1px),
    radial-gradient(circle at 17% 63%, rgba(255,255,255,0.34) 0.5px, transparent 1.1px),
    radial-gradient(circle at 29% 8%,  rgba(255,255,255,0.38) 0.5px, transparent 1.1px),
    radial-gradient(circle at 38% 81%, rgba(255,255,255,0.30) 0.5px, transparent 1.1px),
    radial-gradient(circle at 46% 27%, rgba(255,255,255,0.44) 0.5px, transparent 1.1px),
    radial-gradient(circle at 53% 92%, rgba(255,255,255,0.28) 0.5px, transparent 1.1px),
    radial-gradient(circle at 61% 46%, rgba(255,255,255,0.40) 0.5px, transparent 1.1px),
    radial-gradient(circle at 69% 17%, rgba(255,255,255,0.32) 0.5px, transparent 1.1px),
    radial-gradient(circle at 76% 71%, rgba(255,255,255,0.36) 0.5px, transparent 1.1px),
    radial-gradient(circle at 84% 33%, rgba(255,255,255,0.42) 0.5px, transparent 1.1px),
    radial-gradient(circle at 92% 58%, rgba(255,255,255,0.30) 0.5px, transparent 1.1px),
    radial-gradient(circle at 97% 86%, rgba(255,255,255,0.26) 0.5px, transparent 1.1px),
    radial-gradient(circle at 11% 39%, rgba(255,255,255,0.28) 0.5px, transparent 1.1px),
    radial-gradient(circle at 23% 96%, rgba(255,255,255,0.34) 0.5px, transparent 1.1px),
    radial-gradient(circle at 34% 55%, rgba(255,255,255,0.30) 0.5px, transparent 1.1px),
    radial-gradient(circle at 44% 4%,  rgba(255,255,255,0.36) 0.5px, transparent 1.1px),
    radial-gradient(circle at 57% 68%, rgba(255,255,255,0.26) 0.5px, transparent 1.1px),
    radial-gradient(circle at 66% 88%, rgba(255,255,255,0.32) 0.5px, transparent 1.1px),
    radial-gradient(circle at 73% 52%, rgba(255,255,255,0.28) 0.5px, transparent 1.1px),
    radial-gradient(circle at 88% 12%, rgba(255,255,255,0.34) 0.5px, transparent 1.1px),
    radial-gradient(circle at 6%  74%, rgba(255,255,255,0.24) 0.5px, transparent 1.1px),
    radial-gradient(circle at 19% 22%, rgba(255,255,255,0.30) 0.5px, transparent 1.1px),
    radial-gradient(circle at 31% 34%, rgba(255,255,255,0.26) 0.5px, transparent 1.1px),
    radial-gradient(circle at 49% 74%, rgba(255,255,255,0.28) 0.5px, transparent 1.1px),
    radial-gradient(circle at 79% 95%, rgba(255,255,255,0.24) 0.5px, transparent 1.1px),
    radial-gradient(circle at 95% 27%, rgba(255,255,255,0.30) 0.5px, transparent 1.1px);
}
.sky .mid {
  background-image:
    radial-gradient(circle at 9%  47%, rgba(255,255,255,0.62) 0.8px, transparent 1.6px),
    radial-gradient(circle at 21% 15%, rgba(214,232,255,0.58) 0.8px, transparent 1.6px),
    radial-gradient(circle at 27% 88%, rgba(255,255,255,0.52) 0.8px, transparent 1.6px),
    radial-gradient(circle at 41% 61%, rgba(255,233,176,0.55) 0.8px, transparent 1.6px),
    radial-gradient(circle at 52% 12%, rgba(255,255,255,0.60) 0.8px, transparent 1.6px),
    radial-gradient(circle at 58% 81%, rgba(255,255,255,0.50) 0.8px, transparent 1.6px),
    radial-gradient(circle at 64% 29%, rgba(198,222,255,0.56) 0.8px, transparent 1.6px),
    radial-gradient(circle at 72% 66%, rgba(255,255,255,0.54) 0.8px, transparent 1.6px),
    radial-gradient(circle at 81% 44%, rgba(255,255,255,0.58) 0.8px, transparent 1.6px),
    radial-gradient(circle at 90% 78%, rgba(255,233,176,0.50) 0.8px, transparent 1.6px),
    radial-gradient(circle at 14% 71%, rgba(255,255,255,0.46) 0.8px, transparent 1.6px),
    radial-gradient(circle at 36% 36%, rgba(255,255,255,0.48) 0.8px, transparent 1.6px),
    radial-gradient(circle at 47% 95%, rgba(255,255,255,0.44) 0.8px, transparent 1.6px),
    radial-gradient(circle at 68% 6%,  rgba(255,255,255,0.50) 0.8px, transparent 1.6px),
    radial-gradient(circle at 86% 21%, rgba(255,255,255,0.46) 0.8px, transparent 1.6px),
    radial-gradient(circle at 94% 66%, rgba(214,232,255,0.44) 0.8px, transparent 1.6px);
}
.sky .near {
  background-image:
    radial-gradient(circle at 25% 30%, #ffffff 1.1px, transparent 2.2px),
    radial-gradient(circle at 44% 78%, #ffe9b0 1.1px, transparent 2.2px),
    radial-gradient(circle at 62% 19%, #ffffff 1.1px, transparent 2.2px),
    radial-gradient(circle at 78% 57%, #dceaff 1.1px, transparent 2.2px),
    radial-gradient(circle at 12% 84%, #ffffff 1.1px, transparent 2.2px),
    radial-gradient(circle at 88% 90%, #ffe9b0 1.1px, transparent 2.2px);
  filter: drop-shadow(0 0 3px rgba(255,255,255,0.55));
}

/* 少数会呼吸的亮星：静态星点太多会像噪点，少量慢呼吸才有"天空"的感觉。
   刻意做成「慢」的：5~7 秒一个来回，幅度拉到 0.2→1，这样眼睛余光也能察觉。 */
.sky .tw {
  position: absolute; width: 2.6px; height: 2.6px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 9px 1px rgba(210,232,255,0.75), 0 0 20px 4px rgba(150,200,255,0.28);
  animation: twinkle var(--tdur, 5.4s) ease-in-out var(--tdelay, 0s) infinite;
}
.sky .tw.t1 { top: 18%; left: 33%; --tdur: 5.4s; --tdelay: 0s;   }
.sky .tw.t2 { top: 41%; left: 71%; --tdur: 6.6s; --tdelay: 1.1s; }
.sky .tw.t3 { top: 66%; left: 16%; --tdur: 4.8s; --tdelay: 2.2s; }
.sky .tw.t4 { top: 27%; left: 88%; --tdur: 7.2s; --tdelay: 1.7s; }
.sky .tw.t5 { top: 82%; left: 52%; --tdur: 5.8s; --tdelay: 2.9s; }
.sky .tw.t6 { top: 12%; left: 58%; --tdur: 6.2s; --tdelay: 3.6s; }
.sky .tw.t7 { top: 55%; left: 40%; --tdur: 5.0s; --tdelay: 0.7s; }
.sky .tw.t8 { top: 73%; left: 79%; --tdur: 6.8s; --tdelay: 4.3s; }
@keyframes twinkle {
  0%, 100% { opacity: 0.18; transform: scale(0.72); }
  50%      { opacity: 1;    transform: scale(1.35); }
}
/* 「减少动态效果」下用的柔和版：只调明暗，不放缩 —— 有呼吸感但不闪不晃 */
@keyframes twinkleSoft {
  0%, 100% { opacity: 0.5; }
  50%      { opacity: 0.92; }
}

/* 一层极淡的顶部渐晕，避免纯黑背景显得平 */
.sky .vignette {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 90% 70% at 50% 0%, rgba(80,110,190,0.10), transparent 70%);
}

/* ---------- 星链：一条绕着星球转的发光星环 ---------- */
/* 小点由脚本生成并按椭圆轨道逐帧定位 —— 不能用「外层 scaleY 压扁」的写法，
   那样非等比缩放会把圆点压成细丝；在脚本里直接算椭圆坐标，点始终是圆的。 */
.belt {
  position: absolute; left: 50%; top: 46%;
  width: 0; height: 0;
}
.belt i {
  position: absolute; left: 0; top: 0;
  display: block; border-radius: 50%;
  background: #dbe9ff;
  box-shadow: 0 0 6px rgba(170, 210, 255, 0.95);
  will-change: transform, opacity;
}
.belt i.big {
  background: #fff;
  box-shadow: 0 0 12px 4px rgba(185, 222, 255, 0.95);
}

/* ---------- 流星 ---------- */
/* 本体是一条带渐变的细线（尾端透明 → 头端纯白），::after 是头部的亮点。
   位移写在 --mx/--my 里（屏幕坐标系），rotate 角度跟位移方向对齐。 */
.meteor {
  position: absolute;
  width: 260px; height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg,
    rgba(255,255,255,0) 0%,
    rgba(150,205,255,0.34) 42%,
    rgba(205,235,255,0.92) 80%,
    #ffffff 100%);
  opacity: 0;
  filter: drop-shadow(0 0 6px rgba(150,205,255,0.55));
  will-change: transform, opacity;
  animation: meteorFly var(--mdur) linear var(--mdelay) infinite;
}
.meteor::after {
  content: '';
  position: absolute; right: -1.5px; top: 50%;
  width: 4.4px; height: 4.4px; margin-top: -2.2px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 12px 3px rgba(160,215,255,0.95),
              0 0 30px 8px rgba(120,180,255,0.34);
}
/* 可见窗口拉长到整轮的前 22%（约 2.5~3.5 秒），太短会来不及看见 */
@keyframes meteorFly {
  0%   { opacity: 0; transform: translate3d(0, 0, 0) rotate(var(--ma)) scaleX(0.1); }
  4%   { opacity: 1; }
  18%  { opacity: 1; }
  22%  { opacity: 0; transform: translate3d(var(--mx), var(--my), 0) rotate(var(--ma)) scaleX(1); }
  100% { opacity: 0; transform: translate3d(var(--mx), var(--my), 0) rotate(var(--ma)) scaleX(1); }
}
/* 三颗错开高度、时刻与速度：同时出现会像下雨，间隔开才像流星 */
.meteor.m1 { top:  7%; left: -18%; --mx: 118vw; --my: 43vh; --ma: 20deg; --mdur: 12s; --mdelay: 2s; }
.meteor.m2 { top: 33%; left: -22%; --mx: 130vw; --my: 47vh; --ma: 20deg; --mdur: 17s; --mdelay: 8.5s; }
.meteor.m3 { top: 58%; left: -16%; --mx: 112vw; --my: 41vh; --ma: 20deg; --mdur: 14s; --mdelay: 13s; }

/* ============================================================
 * 背景第 2 层：纯 CSS 星球（z-index -1 + 不吃指针，不干扰阅读）
 * 与 /universe 的真 3D 星球呼应；主站秒开，不能为它拉 772KB three.js
 * ============================================================ */
.planet-bg {
  position: fixed;
  right: -150px; top: 8%;
  width: 420px; height: 420px;
  z-index: -1;
  pointer-events: none;
  animation: float 13s ease-in-out infinite;
}
.planet-bg .body {
  position: absolute; inset: 15%;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%,
    #ffe9b0 0%, #ffc247 34%, #d98a30 68%, #8a5420 100%);
  /* 开了裁剪，越出轮廓的陨石坑会被切掉，不会溢出成方形 */
  overflow: hidden;
}

/* ---------- 星球表面的陨石坑 ----------
   坑要读得出"凹"，得三件事一起做：中心压暗、上缘压一道背光、下缘挑一道受光。
   只压暗会看成一块脏斑。每个坑再按它离球心多远做一点透视压缩（越靠边缘越扁），
   看着才贴在球面上，而不是浮在贴图上。尺寸用百分比，跟着 .planet-bg 一起缩放。 */
.planet-bg .cr {
  position: absolute;
  display: block;
  border-radius: 50%;
  background: radial-gradient(circle at 36% 30%,
    rgba(84, 48, 18, 0.42) 0%,
    rgba(98, 57, 22, 0.28) 48%,
    rgba(124, 76, 33, 0.09) 74%,
    rgba(255, 255, 255, 0) 100%);
  box-shadow:
    inset 0 -2px 3px rgba(255, 226, 168, 0.24),   /* 下缘受光 */
    inset 0  2px 4px rgba(46, 26, 10, 0.32);      /* 上缘背光 */
}
.planet-bg .cr.c1 { left: 13%; top: 20%; width: 26%; height: 23%; transform: rotate(-16deg) scaleY(0.92); }
.planet-bg .cr.c2 { left: 56%; top: 13%; width: 16%; height: 14%; transform: rotate( 12deg) scaleY(0.80); }
.planet-bg .cr.c3 { left: 27%; top: 52%; width: 20%; height: 19%; transform: rotate( -8deg) scaleY(0.96); }
.planet-bg .cr.c4 { left: 71%; top: 42%; width: 12%; height: 10%; transform: rotate( 20deg) scaleY(0.72); }
.planet-bg .cr.c5 { left:  8%; top: 64%; width: 14%; height: 11%; transform: rotate(-24deg) scaleY(0.70); }
.planet-bg .cr.c6 { left: 47%; top: 76%; width:  9%; height:  7%; transform: rotate( -6deg) scaleY(0.66); }
/* 两层柔光：内侧金色贴轮廓，外侧一抹品红呼应小星球的天空 */
.planet-bg .glow-gold {
  position: absolute; inset: -14%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,194,71,0.18) 0%, rgba(255,194,71,0.07) 45%, rgba(255,194,71,0) 68%);
}
.planet-bg .glow-magenta {
  position: absolute; inset: -46%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(214,83,184,0.13) 0%, rgba(214,83,184,0.05) 48%, rgba(214,83,184,0) 70%);
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-18px); }
}

/* ============================================================
 * 顶栏导航
 * ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(5, 7, 15, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav-in {
  max-width: 860px; margin: 0 auto; padding: 13px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 15px; font-weight: 600; letter-spacing: 0.02em;
}
.brand i {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  display: inline-block;
}
.brand em {
  font-style: normal; font-family: var(--mono);
  font-size: 11.5px; color: var(--txt-3); letter-spacing: 0.08em;
}
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a {
  font-size: 14px; color: var(--txt-2); text-decoration: none;
  transition: color 0.18s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--cyan); }
.nav-cta {
  padding: 6px 14px;
  border: 1px solid rgba(34, 224, 200, 0.35);
  border-radius: 999px;
  background: rgba(34, 224, 200, 0.08);
  color: var(--cyan);
}
.nav-cta:hover { color: #fff !important; border-color: rgba(34, 224, 200, 0.65); }

/* ============================================================
 * 布局与内容
 * ============================================================ */
.wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

main { padding: 10vh 0 6vh; }

.hero { padding-bottom: 8vh; }

h1 {
  font-size: clamp(38px, 7vw, 62px);
  line-height: 1.08;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.kicker {
  font-family: var(--mono);
  font-size: 12px; letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.sub {
  font-family: var(--mono);
  font-size: 12.5px; letter-spacing: 0.06em;
  color: var(--txt-3);
  margin: 0 0 20px;
}
.lead {
  font-size: 17px; color: var(--txt-2);
  max-width: 560px; margin: 0 0 26px;
}

/* ---------- 主 CTA：进小星球 ---------- */
.cta {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 15px 26px;
  border-radius: 14px;
  border: 1px solid rgba(34, 224, 200, 0.35);
  background: linear-gradient(135deg, rgba(34,224,200,0.14), rgba(124,92,255,0.14));
  color: var(--txt);
  font-size: 16px; font-weight: 600;
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.cta:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 224, 200, 0.6);
  box-shadow: 0 10px 30px -12px rgba(34, 224, 200, 0.45);
}
.cta .ico { font-size: 22px; }
.cta .hint {
  display: block; font-size: 12px; font-weight: 400;
  color: var(--txt-3); margin-top: 2px; letter-spacing: 0;
}

/* ---------- 通用内容区块 ---------- */
.block {
  padding: 46px 0;
  border-top: 1px solid var(--line);
}
.block h2 {
  font-family: var(--mono);
  font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--txt-3); font-weight: 500;
  margin: 0 0 18px;
  display: flex; align-items: baseline; gap: 8px;
}
.block h2 span { color: rgba(255,255,255,0.22); letter-spacing: 0.1em; }

/* ---------- 关于：Vienne 式排版 ----------
   徽章 → 大字名 → 四个标签 → 左侧青色竖线的三段介绍 */
.about-v { display: flex; flex-direction: column; align-items: flex-start; }
.about-v .badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 15px;
  border: 1px solid rgba(34, 224, 200, 0.32);
  border-radius: 999px;
  background: var(--card);
  font-size: 13.5px; color: var(--cyan);
}
.about-v .badge i {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.45; transform: scale(0.82); }
}
.about-v .big-name {
  font-size: clamp(44px, 9vw, 76px);
  font-weight: 800; letter-spacing: 0.02em; line-height: 1.05;
  margin: 16px 0 18px;
  background: linear-gradient(180deg, #ffffff 0%, #cfd8e8 58%, #8f9bb3 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.about-v .tags {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin: 0 0 26px; padding: 0; list-style: none;
}
.about-v .tags li {
  font-size: 13.5px; font-weight: 700;
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--card);
}
.about-v .tags .t1 { color: var(--cyan);   border-color: rgba(34,224,200,0.32); }
.about-v .tags .t2 { color: #b37bff;       border-color: rgba(179,123,255,0.34); }
.about-v .tags .t3 { color: #ff3d81;       border-color: rgba(255,61,129,0.32); }
.about-v .tags .t4 { color: #6ea8ff;       border-color: rgba(110,168,255,0.32); }

.about-p {
  border-left: 2px solid rgba(34, 224, 200, 0.5);
  padding-left: 22px;
  display: grid; gap: 14px;
  max-width: 620px;
}
.about-p p { margin: 0; font-size: 15.5px; color: var(--txt-2); line-height: 1.85; }
.about-p strong { color: var(--txt); font-weight: 600; }
.about-p em { font-style: normal; font-weight: 600; }
.about-p em.c { color: var(--cyan); }
.about-p em.p { color: #b37bff; }
.about-p em.m { color: #ff3d81; }

/* ---------- 联系：Vienne 式卡片 ---------- */
.contact-v { text-align: center; }
.contact-v .c-title {
  /* ⚠️ .block h2 是 flex 容器，只靠 text-align 不会让文字居中 ——
     必须显式写 justify-content:center，否则标题一直靠左。 */
  justify-content: center;
  gap: 0.26em;
  font-family: var(--sans);          /* 覆盖 .block h2 的等宽小标签 */
  text-transform: none;              /* 保留 "Let's Connect" 原样大小写 */
  font-size: clamp(32px, 6.4vw, 50px);
  font-weight: 800; letter-spacing: -0.02em; line-height: 1.15;
  color: var(--txt); margin: 0 0 14px;
}
/* Connect 走青→薄荷渐变并带一层外发光（文字填充透明后 text-shadow 不生效，
   发光改用 filter: drop-shadow，它描的是最终可见的字形轮廓） */
.contact-v .c-title span {
  background: linear-gradient(180deg, #7ff5e2 0%, #22e0c8 58%, #12a89a 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  filter: drop-shadow(0 0 16px rgba(34, 224, 200, 0.45));
}
.contact-v .c-desc {
  font-size: 16px; color: var(--txt-2);
  margin: 0 auto 34px; max-width: 520px;
}
.c-cards {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px; max-width: 480px; margin: 0 auto;
}
.c-cards .card {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 24px 18px;
  border: 1px solid var(--line); border-radius: 18px;
  background: var(--card);
  text-decoration: none; color: var(--txt);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}
.c-cards .card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 224, 200, 0.5);
  box-shadow: 0 14px 34px -16px rgba(34, 224, 200, 0.45);
}
.c-cards .ic {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  color: var(--txt-2);
  transition: background 0.22s ease, color 0.22s ease;
}
.c-cards .ic svg { width: 24px; height: 24px; }
.c-cards .card:hover .ic { background: rgba(34, 224, 200, 0.12); color: var(--cyan); }
.c-cards .card b { font-size: 14.5px; font-weight: 600; }
.c-cards .card em {
  font-style: normal; font-family: var(--mono);
  font-size: 12px; color: var(--txt-3);
  max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ---------- 友链弹窗 ----------
   默认 opacity:0 + visibility:hidden（而不是 display:none）——
   display:none 没法做过渡，弹出来会"啪"一下；visibility 可以延迟到动画结束才生效，
   同时隐藏时元素不参与命中测试，不会挡住底下的链接。 */
.modal {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.modal.show { opacity: 1; visibility: visible; }
.modal-bd {
  position: absolute; inset: 0;
  background: rgba(3, 5, 12, 0.72);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  cursor: pointer;
}
.modal-box {
  position: relative;
  width: 100%; max-width: 420px;
  max-height: 78vh; overflow: auto;
  padding: 22px 22px 24px;
  border: 1px solid var(--line-hi);
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(17, 22, 40, 0.98), rgba(8, 11, 22, 0.98));
  box-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.85);
  transform: translateY(14px) scale(0.98);
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.3, 1);
}
.modal.show .modal-box { transform: translateY(0) scale(1); }
.modal-hd {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 14px; margin-bottom: 16px;
}
.modal-t {
  font-family: var(--mono);
  font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--txt-3); font-weight: 500;
  display: flex; align-items: baseline; gap: 8px;
}
.modal-t span { color: rgba(255, 255, 255, 0.22); letter-spacing: 0.1em; }
.modal-s { margin: 6px 0 0; font-size: 13px; color: var(--txt-2); }
.modal-x {
  flex: none;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 50%;
  background: var(--card); color: var(--txt-2);
  font-size: 12px; line-height: 1; cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.modal-x:hover {
  color: var(--cyan);
  border-color: rgba(34, 224, 200, 0.5);
  background: rgba(34, 224, 200, 0.08);
}

/* ---------- 友链 ---------- */
.friend-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.friend-list a {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 15px;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--card);
  text-decoration: none; color: var(--txt);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.friend-list a:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 224, 200, 0.42);
  background: rgba(34, 224, 200, 0.06);
}
.friend-list .ico { font-size: 18px; line-height: 1; }
.friend-list .txt { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.friend-list .txt b { font-size: 14px; font-weight: 600; }
.friend-list .txt em {
  font-style: normal; font-size: 12.5px; color: var(--txt-3);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.friend-list .arrow { font-size: 13px; color: var(--txt-3); }

/* ---------- 页脚 ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 20px 0 26px;
  font-size: 13px; color: var(--txt-3);
}
.foot-line {
  max-width: 860px; margin: 0 auto; padding: 0 24px;
  text-align: center;
}
.foot-line .sep { margin: 0 10px; color: rgba(255,255,255,0.18); }
/* 备案号须为可见可点的超链接，默认即带下划线（工信部要求可跳转至 beian.miit.gov.cn） */
.foot-line a {
  color: var(--txt-2);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  padding: 2px 1px;
}
.foot-line a:hover { color: var(--txt); }
.foot-line a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
  border-radius: 3px;
}

/* ============================================================
 * 移动端
 * ============================================================ */
@media (max-width: 780px) {
  .planet-bg { right: -190px; top: 3%; width: 300px; height: 300px; opacity: 0.55; }
  main { padding: 6vh 0 4vh; }
  .hero { padding-bottom: 6vh; }
  .nav-in { padding: 11px 18px; gap: 10px; }
  .brand { font-size: 14px; }
  .brand em { display: none; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 13px; }
  .nav-cta { padding: 5px 10px; }
  .nav-cta .txt { display: none; }
  .about-p { padding-left: 16px; }
  .about-p p { font-size: 14.5px; }
  .c-cards { gap: 12px; }
  .c-cards .card { padding: 20px 12px; }
  .c-cards .card em { font-size: 11px; }
  .meteor { width: 150px; }
  .modal { padding: 16px; }
  .modal-box { padding: 18px 18px 20px; max-height: 82vh; }
}

/* ============================================================
 * 降低动效偏好
 * 系统开了「减少动态效果」时（Windows：辅助功能 → 视觉效果 → 动画效果）
 * 流星整条轨迹是横扫全屏的大幅位移，是该模式要抑制的对象 → 隐藏；
 * 星星改成只调明暗、不放缩的柔和呼吸（幅度小到不构成干扰，但仍有"活的天空"）。
 * ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .planet-bg { animation: none; }
  .meteor { display: none; }
  .sky .tw { animation: twinkleSoft 9s ease-in-out infinite; transform: none; }
  .cta, .friend-list a { transition: none; }
  .modal, .modal-box { transition: none; }
}