/* ==========================================================================
   个人主页样式
   风格：深色底 + 景深（多层背景）+ 大字排版 + 克制的滚动动效
   设计约束：不加载外部字体、不加载外部库，全部离线可用
   ========================================================================== */

:root {
  --bg:        #08080a;
  --bg-soft:   #0e0e13;
  --fg:        #ececee;
  --fg-dim:    #a3a3ad;
  --fg-mute:   #6d6d78;
  --line:      rgba(255, 255, 255, .09);
  --line-soft: rgba(255, 255, 255, .05);
  --accent:    #d9c8a1;          /* 香槟金：只用于小细节，不刷满 */
  --accent-2:  #7c88ff;          /* 冷光：背景光斑用 */
  --max:       1080px;
  --ease:      cubic-bezier(.22, .61, .36, 1);   /* 全站统一缓动曲线 */
  --dur:       .9s;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
          system-ui, -apple-system, "Segoe UI", "Noto Sans CJK SC", sans-serif;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

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

::selection { background: rgba(217, 200, 161, .28); }

.wrap {
  width: min(100% - 3rem, var(--max));
  margin-inline: auto;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  padding: .6rem 1rem; background: var(--fg); color: var(--bg); z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   背景：三层景深
   far  = 最远的大光斑（几乎看不清，最慢）
   mid  = 中景光晕（慢慢飘）
   grid/noise = 最上层的质感，静止
   -------------------------------------------------------------------------- */
.bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% 0%, #131320 0%, var(--bg) 58%),
    var(--bg);
}

.bg__far, .bg__mid {
  position: absolute;
  inset: -20% -10%;
  will-change: transform;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .5;
}
.blob--1 {
  width: 46vw; height: 46vw; left: -6vw; top: 4vh;
  background: radial-gradient(circle, rgba(124, 136, 255, .38), transparent 68%);
  animation: drift-a 46s ease-in-out infinite alternate;
}
.blob--2 {
  width: 40vw; height: 40vw; right: -8vw; top: 30vh;
  background: radial-gradient(circle, rgba(217, 200, 161, .22), transparent 68%);
  animation: drift-b 58s ease-in-out infinite alternate;
}
.blob--3 {
  width: 52vw; height: 52vw; left: 22vw; bottom: -22vh;
  background: radial-gradient(circle, rgba(86, 70, 150, .34), transparent 70%);
  animation: drift-c 64s ease-in-out infinite alternate;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .35;
}
.glow--1 {
  width: 26vw; height: 26vw; left: 12vw; top: 52vh;
  background: radial-gradient(circle, rgba(255, 255, 255, .10), transparent 70%);
}
.glow--2 {
  width: 22vw; height: 22vw; right: 14vw; top: 10vh;
  background: radial-gradient(circle, rgba(124, 136, 255, .18), transparent 70%);
}

@keyframes drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(5vw, 6vh, 0) scale(1.12); }
}
@keyframes drift-b {
  from { transform: translate3d(0, 0, 0) scale(1.06); }
  to   { transform: translate3d(-6vw, -5vh, 0) scale(1); }
}
@keyframes drift-c {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(-4vw, -7vh, 0) scale(1.1); }
}

/* 细网格：只在上半屏可见，避免整屏噪 */
.bg__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(90% 60% at 50% 12%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(90% 60% at 50% 12%, #000 0%, transparent 78%);
  opacity: .55;
}

/* 颗粒质感：让大面积深色不至于"死黑" */
.bg__noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: .035;
  mix-blend-mode: overlay;
}

/* 跟随鼠标的柔光：制造"打光"的感觉 */
.spotlight {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.2s var(--ease);
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 20%),
    rgba(217, 200, 161, .07),
    transparent 62%
  );
}
.spotlight.is-on { opacity: 1; }

/* --------------------------------------------------------------------------
   导航
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  border-bottom: 1px solid transparent;
  transition: background-color .5s var(--ease), border-color .5s var(--ease),
              backdrop-filter .5s var(--ease);
}
.nav.is-scrolled {
  background: rgba(8, 8, 10, .62);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line-soft);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1rem;
}
.nav__brand {
  font-weight: 650;
  letter-spacing: .04em;
  font-size: .95rem;
}
.nav__links {
  display: flex;
  gap: 1.6rem;
  font-size: .88rem;
  color: var(--fg-dim);
}
.nav__links a {
  position: relative;
  padding-block: .2rem;
  transition: color .35s var(--ease);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease);
}
.nav__links a:hover { color: var(--fg); }
.nav__links a:hover::after { transform: scaleX(1); }

/* 语言按钮：中文界面显示「EN」、英文界面显示「中」（字由 assets/main.js 写）。
   做成一枚小胶囊，和导航文字同一个色系，鼠标移上去才亮起来 */
.nav__lang {
  font: inherit;
  font-size: .72rem;
  line-height: 1.6;
  letter-spacing: .1em;
  padding: .12rem .6rem;
  color: var(--fg-dim);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color .35s var(--ease), border-color .35s var(--ease),
              background-color .35s var(--ease);
}
.nav__lang:hover {
  color: var(--accent);
  border-color: rgba(217, 200, 161, .55);
  background: rgba(217, 200, 161, .07);
}

/* --------------------------------------------------------------------------
   首屏
   -------------------------------------------------------------------------- */
main { position: relative; z-index: 2; }

.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 7rem 0 5rem;
}

.hero__eyebrow {
  margin: 0 0 1.6rem;
  font-size: .8rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

.hero__name {
  margin: 0;
  font-size: clamp(3.4rem, 13.5vw, 9.6rem);
  font-weight: 800;
  line-height: .92;
  letter-spacing: -.045em;
}
.line { display: block; overflow: hidden; }
.line__in {
  display: block;
  background: linear-gradient(180deg, #ffffff 12%, #b9b9c4 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__typed {
  margin: 1.4rem 0 0;
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  color: var(--fg-mute);
  min-height: 1.9em;
}
.hero__typed-text { color: var(--accent); }
.caret {
  display: inline-block;
  color: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin-top: 2.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .78rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .02);
  color: var(--fg);
  font: inherit;
  font-size: .92rem;
  cursor: pointer;
  transition: transform .45s var(--ease), border-color .45s var(--ease),
              background-color .45s var(--ease), color .45s var(--ease);
}
.btn:hover {
  transform: translateY(-2px);
  border-color: rgba(217, 200, 161, .45);
  background: rgba(255, 255, 255, .05);
}
.btn--primary {
  background: var(--fg);
  color: #0a0a0c;
  border-color: transparent;
  font-weight: 600;
}
.btn--primary:hover { background: #fff; }

.hero__scroll {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-top: 4.5rem;
  font-size: .76rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
.hero__scroll-line {
  width: 68px;
  height: 1px;
  background: linear-gradient(90deg, var(--fg-mute), transparent);
  animation: sweep 3.4s var(--ease) infinite;
  transform-origin: left;
}
@keyframes sweep {
  0%, 100% { transform: scaleX(.35); opacity: .5; }
  50%      { transform: scaleX(1);   opacity: 1; }
}

/* --------------------------------------------------------------------------
   内容区块
   -------------------------------------------------------------------------- */
.section {
  padding: clamp(5rem, 12vw, 9rem) 0;
  border-top: 1px solid var(--line-soft);
}
.section__index {
  margin: 0 0 .6rem;
  font-size: .78rem;
  letter-spacing: .3em;
  color: var(--accent);
  opacity: .75;
}
.section__title {
  margin: 0 0 2.4rem;
  font-size: clamp(1.9rem, 4.6vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.1;
}
/* 正文保持 62ch 的舒适阅读宽度，作品区的卡片想铺满整栏 */
.section__body { max-width: 62ch; }
#projects .section__body { max-width: 100%; }

.lead {
  font-size: clamp(1.05rem, 1.9vw, 1.28rem);
  color: var(--fg);
  line-height: 1.7;
}
.section__body p { color: var(--fg-dim); }
.hint {
  margin-top: 1.8rem;
  padding-left: 1rem;
  border-left: 2px solid var(--line);
  font-size: .88rem;
  color: var(--fg-mute);
}

.skills { margin: 0; }
.skills__group {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--line-soft);
}
.skills__group:last-child { border-bottom: 1px solid var(--line-soft); }
.skills dt { color: var(--fg-mute); font-size: .88rem; letter-spacing: .08em; }
.skills dd { margin: 0; display: flex; flex-wrap: wrap; gap: .5rem; }

.tag {
  display: inline-block;
  padding: .3rem .8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .84rem;
  color: var(--fg-dim);
  background: rgba(255, 255, 255, .02);
  transition: color .4s var(--ease), border-color .4s var(--ease);
}
.tag:hover { color: var(--fg); border-color: rgba(217, 200, 161, .4); }
.tag--sm { font-size: .76rem; padding: .22rem .65rem; }

/* 作品卡片：图在上、字在下；鼠标移上去轻轻浮起 */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 1.1rem;
}
/* 宽屏固定三列：这样"横跨整行"的那张卡片才知道自己占几格
   （用 auto-fit 的话列数是自动算的，横跨整行的卡片会把同一行挤歪） */
@media (min-width: 1000px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .012));
  transition: transform .6s var(--ease), border-color .6s var(--ease),
              box-shadow .6s var(--ease);
}
.card:hover {
  transform: translateY(-7px);
  border-color: rgba(217, 200, 161, .38);
  box-shadow: 0 30px 70px -40px rgba(0, 0, 0, .95),
              0 0 0 1px rgba(217, 200, 161, .06) inset;
}

/* 卡片配图：统一 16:10，三张卡片高矮一致。
   底色是给"图还没下载完"那一刻准备的，避免页面先空一块再弹开 */
.card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0c0c11;
  border-bottom: 1px solid var(--line);
}
.card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.card:hover .card__media img { transform: scale(1.03); }
/* 整行大卡片：图在左、字在右。手机上还是一列（图在上、字在下），
   因为窄屏左右分栏会把字挤成一条线 */
.card--wide { grid-column: 1 / -1; }
/* 大卡片配图是正方形：手机上图在上（正方形），电脑上图在左（高度跟着文字走），
   两种情况下裁掉的都很少 */
.card--wide .card__media { aspect-ratio: 1 / 1; }
@media (min-width: 761px) {
  .card--wide { flex-direction: row; }
  .card--wide .card__media {
    flex: 0 0 42%;
    width: 42%;
    aspect-ratio: auto;          /* 高度交给右边的文字决定，图跟着拉伸铺满 */
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }
  .card--wide .card__body { padding: 1.6rem 1.8rem 1.7rem; }
}
/* 老浏览器不认识 aspect-ratio 时，用 padding 撑出同样的高度 */
@supports not (aspect-ratio: 16 / 10) {
  .card__media { height: 0; padding-bottom: 62.5%; }
  .card__media img { position: absolute; inset: 0; height: auto; }
  /* 大卡片不参与这套：它靠右边文字的高度撑着 */
  .card--wide .card__media { height: auto; padding-bottom: 0; }
  .card--wide .card__media img { position: static; height: 100%; }
}

.card__body { padding: 1.35rem 1.5rem 1.5rem; }
.card__meta {
  margin: 0 0 .7rem;
  font-size: .76rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
.card__title {
  margin: 0 0 .6rem;
  font-size: 1.2rem;
  font-weight: 650;
  letter-spacing: -.01em;
}
.card__desc {
  margin: 0 0 1.1rem;
  font-size: .92rem;
  color: var(--fg-dim);
}
.card__tags { margin: 0; display: flex; flex-wrap: wrap; gap: .4rem; }

/* 卡片里的"注意事项"：左边一道香槟金的竖线，跟正文区分开，
   但不喊不叫——访客扫一眼就知道这段是坑，不是介绍 */
.card__note {
  margin: 0 0 1.1rem;
  padding: .6rem .8rem;
  border-left: 2px solid rgba(217, 200, 161, .5);
  border-radius: 0 10px 10px 0;
  background: rgba(217, 200, 161, .05);
  font-size: .8rem;
  line-height: 1.65;
  color: var(--fg-dim);
}
/* 卡片里的出处/署名一行：比正文更小更淡，链接照样看得见 */
.card__credit {
  margin: 0 0 1.1rem;
  font-size: .76rem;
  line-height: 1.6;
  color: var(--fg-mute);
}
.card__credit a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
/* 卡片最下面那句"看详情"：整张卡片里唯一明确的行动指引，所以给足颜色 */
.card__more {
  margin: 1.1rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--line-soft);
  font-size: .82rem;
}
.card__more a { color: var(--accent); }
.card__more a:hover { color: var(--fg); }
/* 标题和配图都可以点进详情页，鼠标移上去给个暗示 */
.card__title a:hover,
.card__media a:hover { color: var(--accent); }

/* 整张卡片都能点进详情页。
   做法是让标题里那个链接伸出一层"透明的膜"铺满整张卡（同行里管这叫 stretch link）：
   访客点配图、点说明文字、点卡片空白处都会进详情页，不用非要去戳标题或"看详情"那行小字。
   没有详情页的卡片（这个网站、乒乓球）标题里本来就没有链接，所以不受影响，鼠标也不会变成手型。 */
.card__title a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}
/* 卡片里另外那些外链（比如复刻播放器的"出处"）要压在膜上面，否则会被膜挡住点不到 */
.card__credit a,
.card__note a {
  position: relative;
  z-index: 2;
}
.card:has(.card__title a) { cursor: pointer; }
.card:has(.card__title a):hover .card__more a { color: var(--fg); }

/* --------------------------------------------------------------------------
   音乐墙：几张封面分给几列，每列各走各的（有的往上、有的往下、快慢也不同）
   - 谁去哪一列由脚本定：第 1 张→第 1 列、第 2 张→第 2 列……转回来再放第 6 张。
     所以每一列装的都是不同的专辑，屏幕上永远不会出现两张一样的封面
   - 每列的内容放两份：滚到一半正好接上开头，所以看不出接缝
   - 列数也由脚本按屏幕宽度定（宽屏 5 列 → 手机 2 列），见 main.js
   - 鼠标停在哪一列上，那一列就暂停
   -------------------------------------------------------------------------- */
.wall {
  --gap: clamp(.6rem, 1.1vw, 1rem);
  display: flex;
  gap: var(--gap);
  width: 100%;
  height: clamp(360px, 56vh, 600px);
  margin-top: clamp(2rem, 4.5vw, 3.2rem);
  /* 两侧留一点边距：让封面墙比正文宽、但不贴着屏幕边（贴着边看起来像被切掉） */
  padding-inline: clamp(1.1rem, 3.2vw, 3.5rem);
  overflow: hidden;                       /* 露到框外的封面切掉 */
  /* 上下边缘化开，像从页面里长出来、又淡出去 */
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 11%, #000 89%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 11%, #000 89%, transparent);
}

/* 脚本没跑起来时：只有一列，可以自己上下滚，内容一样看得到 */
.wall { overflow-y: auto; overflow-x: hidden; }
.js .wall { overflow-y: hidden; }

/* max-width 是给"脚本没跑起来"准备的兜底：那时只有一列，
   没有这个宽度上限，一张封面会被拉得跟屏幕一样大 */
.wall__col { flex: 1 1 0; min-width: 0; max-width: 360px; }

.wall__track {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  animation: wall-scroll 60s linear infinite;   /* 具体时长由脚本按每列的封面数算 */
  will-change: transform;
}
.wall__track--down { animation-direction: reverse; }
.wall__col:hover .wall__track,
.wall__col:active .wall__track,
.wall__col:focus-within .wall__track { animation-play-state: paused; }

/* 走完一半正好是一份完整列表，接回开头看不出跳 */
@keyframes wall-scroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(0, -50%, 0); }
}

.tile {
  position: relative;
  margin: 0 0 var(--gap);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #0c0c11;                    /* 图还没加载出来时的底色 */
  transition: transform .6s var(--ease), border-color .6s var(--ease),
              box-shadow .6s var(--ease);
}
.tile img { display: block; width: 100%; height: auto; }
.tile:hover {
  transform: translateY(-6px);
  border-color: rgba(217, 200, 161, .42);
  box-shadow: 0 26px 60px -38px rgba(0, 0, 0, .95);
}

/* 整张封面就是一个按钮（点了弹出"用哪个软件听"）：按钮的默认样式要清掉，才像一张图 */
.tile__link {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  background: none;
  cursor: pointer;
}
.tile__link:focus-visible { outline: 2px solid var(--accent); outline-offset: -3px; }

/* 右上角的小角标：鼠标移上去（或键盘选中）才露出来，触屏设备上一直显示 */
.tile__play {
  position: absolute;
  top: .5rem;
  right: .5rem;
  padding: .22rem .5rem;
  border-radius: 999px;
  font-size: .68rem;
  letter-spacing: .02em;
  color: #0b0b0f;
  background: var(--accent);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.tile:hover .tile__play,
.tile:focus-within .tile__play { opacity: 1; transform: none; }
@media (hover: none) { .tile__play { opacity: 1; transform: none; } }

.tile__cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  gap: .1rem;
  padding: .55rem .65rem .5rem;
  font-size: .76rem;
  line-height: 1.35;
  color: var(--fg);
  background: linear-gradient(to top, rgba(6, 6, 9, .94), rgba(6, 6, 9, .5) 60%, transparent);
}
.tile__cap b { font-weight: 600; letter-spacing: -.01em; }
.tile__cap i { font-style: normal; font-size: .72rem; color: var(--fg-dim); }

/* --------------------------------------------------------------------------
   「用哪个软件听」面板：平时藏起来（hidden），点封面才出现
   手机从底部升上来（手指好按），电脑是屏幕中间的小卡片
   -------------------------------------------------------------------------- */
.picker {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.picker[hidden] { display: none; }

.picker__mask {
  position: absolute;
  inset: 0;
  background: rgba(4, 4, 6, .7);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  animation: picker-fade .26s var(--ease) both;
}

.picker__card {
  position: relative;
  width: 100%;
  max-width: 460px;
  padding: 1.15rem 1.15rem calc(1.2rem + env(safe-area-inset-bottom));
  border: 1px solid var(--line);
  border-radius: 20px 20px 0 0;
  background: var(--bg-soft);
  box-shadow: 0 -30px 70px -34px rgba(0, 0, 0, .96);
  animation: picker-up .34s var(--ease) both;
}

.picker__title { margin: 0; font-size: 1.02rem; font-weight: 600; }
.picker__song { margin: .2rem 0 1rem; font-size: .84rem; color: var(--fg-dim); }
.picker__hint {
  margin: -.55rem 0 .95rem;
  font-size: .72rem;
  line-height: 1.5;
  color: var(--fg-mute);
}

.picker__list {
  margin: 0 0 .9rem;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
}
/* 点过平台名之后才出现的那行提示：文案（"正在试着打开…"或"微信里跳不了…"）
   和链接都由 assets/main.js 写进去，这里只管排版。 */
.picker__note {
  margin: -.35rem 0 .9rem;
  font-size: .76rem;
  line-height: 1.6;
  color: var(--fg-dim);
  text-align: center;
}
.picker__note[hidden] { display: none; }
.picker__note a {
  margin-left: .35rem;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;      /* "点这里用网页打开"别被拆成两行 */
}
/* 平台是单数个时（现在是 5 个），最后那个按钮占满整行，不留一个孤零零的半格 */
.picker__list > li:last-child:nth-child(odd) { grid-column: 1 / -1; }

.picker__btn {
  display: block;
  padding: .85rem .6rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: .86rem;
  text-align: center;
  background: rgba(255, 255, 255, .03);
  transition: transform .3s var(--ease), border-color .3s var(--ease),
              background .3s var(--ease);
}
.picker__btn:hover,
.picker__btn:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(217, 200, 161, .5);
  background: rgba(217, 200, 161, .1);
}

.picker__fallback {
  display: block;
  padding: .7rem .2rem .1rem;
  border-top: 1px solid var(--line-soft);
  font-size: .78rem;
  color: var(--fg-dim);
  text-align: center;
}
.picker__fallback:hover,
.picker__fallback:focus-visible { color: var(--accent); }

.picker__close {
  display: block;
  width: 100%;
  margin-top: .8rem;
  padding: .72rem;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-size: .84rem;
  color: var(--fg-dim);
  background: rgba(255, 255, 255, .05);
  cursor: pointer;
  transition: color .3s var(--ease), background .3s var(--ease);
}
.picker__close:hover,
.picker__close:focus-visible { color: var(--fg); background: rgba(255, 255, 255, .09); }

@keyframes picker-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes picker-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}

/* 宽屏：从中间淡入，不用底部抽屉的样子 */
@media (min-width: 761px) {
  .picker { align-items: center; padding: 1.5rem; }
  .picker__card {
    border-radius: 18px;
    padding-bottom: 1.15rem;
    animation-name: picker-in;
  }
}
@keyframes picker-in {
  from { opacity: 0; transform: translateY(10px) scale(.98); }
  to   { opacity: 1; transform: none; }
}

/* 列数：宽屏铺满，窄屏一列列减，手机只留两列 */
/* 联系区 */
.section--contact .section__body { max-width: 100%; }
.mail {
  display: inline-block;
  margin: 1.4rem 0 0;
  font-size: clamp(1.4rem, 5.2vw, 3rem);
  font-weight: 700;
  letter-spacing: -.03em;
  background: linear-gradient(180deg, #fff 10%, #b6b6c1 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  border-bottom: 1px solid transparent;
  transition: border-color .5s var(--ease);
}
.mail:hover { border-bottom-color: rgba(217, 200, 161, .55); }

/* --------------------------------------------------------------------------
   页脚 + 常驻联系方式
   -------------------------------------------------------------------------- */
.footer {
  position: relative;
  z-index: 2;
  padding: 2.5rem 0 3.5rem;
  border-top: 1px solid var(--line-soft);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.5rem;
  justify-content: space-between;
  font-size: .82rem;
  color: var(--fg-mute);
}
.footer__dim { color: var(--fg-mute); opacity: .8; }

.sticky-mail {
  position: fixed;
  right: clamp(1rem, 3vw, 2.2rem);
  bottom: clamp(1rem, 3vw, 2.2rem);
  z-index: 12;
  padding: .6rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(12, 12, 16, .72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: .84rem;
  color: var(--fg-dim);
  transition: color .45s var(--ease), border-color .45s var(--ease),
              transform .45s var(--ease);
}
.sticky-mail:hover {
  color: var(--fg);
  border-color: rgba(217, 200, 161, .5);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   滚动淡入（由 main.js 添加 .in）
   -------------------------------------------------------------------------- */
/* 只有脚本跑起来时才隐藏待淡入的内容；脚本被拦掉时整页照样看得见 */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  filter: blur(7px);
  transition:
    opacity var(--dur) var(--ease) var(--d, 0s),
    transform var(--dur) var(--ease) var(--d, 0s),
    filter var(--dur) var(--ease) var(--d, 0s);
}
.js .reveal.in {
  opacity: 1;
  transform: none;
  filter: none;
}

/* --------------------------------------------------------------------------
   移动端减配：关掉模糊光斑与跟随光效，只留滚动淡入
   -------------------------------------------------------------------------- */
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { width: min(100% - 2.2rem, var(--max)); }
  /* 手机上也保留导航：字缩小、间距收紧，四个入口依然点得到 */
  .nav__inner { height: 60px; gap: .6rem; }
  .nav__brand { font-size: .88rem; }
  .nav__links { gap: .85rem; font-size: .72rem; letter-spacing: 0; }
  /* 英文的导航词更长（About / Skills / Projects / Music / Contact），再收紧一点，
     保证小屏上这些入口和语言按钮都能排下、不会被挤到第二行 */
  html.lang-en .nav__inner { gap: .5rem; }
  html.lang-en .nav__brand { font-size: .8rem; }
  html.lang-en .nav__links { gap: .58rem; font-size: .68rem; }
  html.lang-en .nav__lang { font-size: .66rem; padding: .1rem .5rem; }
  .blob { filter: blur(52px); opacity: .38; animation: none; }
  .glow { display: none; }
  .spotlight { display: none; }
  .hero { padding-top: 6rem; }
  .skills__group { grid-template-columns: 1fr; gap: .5rem; }
  .sticky-mail { padding: .5rem .85rem; font-size: .78rem; }
  /* 音乐墙：手机只留两列，格子缩小一点，滑动照常 */
  .wall { --gap: .55rem; height: clamp(300px, 58vh, 440px); }
  .tile__cap { padding: .5rem .55rem .45rem; font-size: .72rem; }
  .tile__cap i { font-size: .68rem; }
}

/* --------------------------------------------------------------------------
  尊重系统设置：关掉动画的人，看到的应该是安静的页面
  -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal, .js .reveal { opacity: 1; transform: none; filter: none; }
  .bg__far, .bg__mid { transform: none !important; }
  .spotlight { display: none; }
  /* 音乐墙：不滑动，改成能自己上下滚 */
  .wall__track { animation: none !important; transform: none !important; }
  .wall { overflow-y: auto; -webkit-mask-image: none; mask-image: none; }
}

/* --------------------------------------------------------------------------
   项目详情页（projects/*.html）：一页只讲一个项目
   - 正文限制在 68ch：一行太长眼睛会走丢
   - 小标题之间留足间距，读起来像一篇文章，而不是一堆标签
   -------------------------------------------------------------------------- */
.doc { padding: 7.5rem 0 4rem; }
.doc__meta {
  margin: 0 0 .6rem;
  font-size: .76rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
.doc__title {
  margin: 0 0 1rem;
  font-size: clamp(1.7rem, 4.2vw, 2.5rem);
  line-height: 1.25;
  letter-spacing: -.01em;
}
.doc__lead { max-width: 62ch; margin: 0 0 2rem; color: var(--fg-dim); }

.doc__figure {
  margin: 0 0 2.5rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #0c0c11;
}
.doc__figure img { width: 100%; height: auto; }
/* 详情页里的视频：外框和图片共用 .doc__figure 那一套
   - 属性里写了 preload="none"：不点播放就不下载，手机上不白耗流量
   - 播放条用浏览器自带的那条，电脑和手机都认识，不用再写一套按钮 */
.doc__video { display: block; width: 100%; height: auto; background: #000; }
/* 分辨率偏小的片子（比如 736×416）：别把它拉到 1080 宽，放大就糊了 */
.doc__figure--sm { max-width: 760px; }
.doc__figure figcaption {
  padding: .7rem 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: .76rem;
  color: var(--fg-mute);
}

.doc__section { max-width: 68ch; margin-top: 2.7rem; }
/* 照片墙那一节要铺满整栏（正文仍然是 68ch 的阅读宽度） */
.doc__section--wide { max-width: none; }

/* 项目详情页里的"实拍照片墙"：两列瀑布流，手机上一列。
   照片是竖构图还是横构图都能放，靠 columns 自己排，不用裁成统一比例 */
.gallery { columns: 2; column-gap: 1.1rem; margin-top: 1.2rem; max-width: none; }
.gallery figure {
  break-inside: avoid;
  margin: 0 0 1.1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #0c0c11;
}
.gallery img { display: block; width: 100%; height: auto; }
.gallery figcaption {
  padding: .6rem .85rem .7rem;
  border-top: 1px solid var(--line-soft);
  font-size: .74rem;
  line-height: 1.55;
  color: var(--fg-mute);
}
@media (max-width: 640px) {
  .gallery { columns: 1; }
}

/* 照片：点一下能放大看（放大镜逻辑在 main.js 第 8 段） */
.shot {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 14px;
  overflow: hidden;
  background: none;
  cursor: zoom-in;
  line-height: 0;
}
.shot img { width: 100%; height: auto; transition: transform .5s var(--ease); }
.shot:hover img { transform: scale(1.02); }
.shot:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
/* 右上角那枚"点开放大"的小圆标：鼠标悬停才浮出来，触屏设备一直显示 */
.shot::after {
  content: "+";
  position: absolute;
  top: .6rem;
  right: .6rem;
  display: grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  border: 1px solid rgba(217, 200, 161, .45);
  border-radius: 50%;
  background: rgba(10, 10, 14, .72);
  color: var(--accent);
  font-size: .95rem;
  line-height: 1;
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.shot:hover::after,
.shot:focus-visible::after { opacity: 1; }
@media (hover: none) {
  .shot::after { opacity: 1; }
}

/* 制作过程：一条金色时间线，一步一张照片 */
.steps { list-style: none; margin: 1.8rem 0 0; padding: 0; }
.step {
  position: relative;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 0 0 2.4rem 2.3rem;
}
.step::before {                     /* 竖线 */
  content: "";
  position: absolute;
  left: .45rem;
  top: .7rem;
  bottom: -.1rem;
  width: 1px;
  background: linear-gradient(to bottom, rgba(217, 200, 161, .5), rgba(217, 200, 161, .1));
}
.step:last-child::before { display: none; }
.step::after {                      /* 金色节点 */
  content: "";
  position: absolute;
  left: .12rem;
  top: .62rem;
  width: .7rem;
  height: .7rem;
  border-radius: 50%;
  border: 1px solid rgba(217, 200, 161, .8);
  background: #0a0a0e;
  box-shadow: 0 0 0 5px rgba(217, 200, 161, .05);
}
.step__media { flex: 0 0 45%; max-width: 45%; }
.step__num {
  margin: 0 0 .35rem;
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--accent);
}
.step__title { margin: 0 0 .55rem; font-size: 1.04rem; font-weight: 650; }
.step__body { padding-top: .1rem; }
.step__body p { margin: 0; color: var(--fg-dim); font-size: .94rem; }
@media (max-width: 760px) {
  .step { flex-direction: column; gap: .95rem; padding-left: 1.7rem; }
  .step__media { flex: none; width: 100%; max-width: none; }
  .step::before { left: .3rem; }
  .step::after { left: 0; }
}

/* 点开看大图的那层黑色遮罩 */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  padding: 3.2rem 1.2rem 1.6rem;
  background: rgba(4, 4, 6, .95);
  backdrop-filter: blur(8px);
}
.lightbox.is-open { display: flex; align-items: center; justify-content: center; }
.lightbox__inner { margin: 0; max-width: 100%; text-align: center; }
.lightbox__inner img {
  width: auto;
  max-width: min(100%, 1100px);
  max-height: 76vh;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.lightbox__inner figcaption {
  max-width: 58ch;
  margin: .95rem auto 0;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--fg-dim);
}
.lightbox__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.7rem;
  height: 2.7rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(14, 14, 19, .85);
  color: var(--fg);
  font-size: 1rem;
  cursor: pointer;
}
.lightbox__close:hover { color: var(--accent); border-color: rgba(217, 200, 161, .5); }
body.is-zoomed { overflow: hidden; }

/* 「时间与成本」那四条数字：宽屏一行四个，手机两行 */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 1.9rem;
  padding: 0;
  list-style: none;
}
.stats li {
  padding: .1rem 0 .1rem 1rem;
  border-left: 1px solid rgba(217, 200, 161, .38);
}
.stats__num {
  display: block;
  font-size: 1.5rem;
  font-weight: 650;
  line-height: 1.25;
  color: var(--fg);
}
.stats__label {
  display: block;
  margin-top: .25rem;
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--fg-mute);
}
@media (max-width: 640px) {
  .stats { grid-template-columns: repeat(2, 1fr); gap: 1.2rem 1rem; }
  .stats__num { font-size: 1.28rem; }
}
.doc__section h2 {
  margin: 0 0 .9rem;
  font-size: 1.14rem;
  font-weight: 650;
}
.doc__section p { margin: 0 0 1rem; color: var(--fg-dim); }
.doc__section ul { margin: 0 0 1rem; padding-left: 1.15rem; color: var(--fg-dim); }
.doc__section li { margin: .5rem 0; }
.doc__section b { color: var(--fg); }
.doc__section code {
  padding: .1rem .35rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: .85em;
}
.doc__source { font-size: .78rem; color: var(--fg-mute); }
.doc__link { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.doc__link:hover { color: var(--fg); }
.doc__foot { max-width: 68ch; margin: 3rem 0 0; font-size: .86rem; }

/* 参数表：左列名目、右列说明；手机上自动堆成上下两行 */
.spec {
  width: 100%;
  margin: 0 0 1rem;
  border-collapse: collapse;
  font-size: .9rem;
}
.spec th, .spec td {
  padding: .6rem .2rem;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
}
.spec th {
  width: 9rem;
  padding-right: 1rem;
  color: var(--fg-mute);
  font-weight: 500;
  white-space: nowrap;
}
.spec td { color: var(--fg-dim); }
@media (max-width: 560px) {
  .spec th, .spec td { display: block; width: auto; white-space: normal; }
  .spec th { padding-bottom: .15rem; border-bottom: 0; }
  .spec td { padding-top: 0; }
}

/* 详情页里的"注意事项"：和作品卡片上那块同一套长相 */
.doc .note {
  margin: 0 0 1rem;
  padding: .7rem .9rem;
  border-left: 2px solid rgba(217, 200, 161, .5);
  border-radius: 0 10px 10px 0;
  background: rgba(217, 200, 161, .05);
  font-size: .86rem;
  line-height: 1.7;
}

/* ==========================================================================
   看板娘（Live2D 角色）
   1) 平时是隐藏的：只有 assets/mascot.js 判断"屏幕够宽 + 没开减少动效"之后，
      才会给她加上 .is-on 把她显示出来；手机和窄窗口永远看不到她，也不会下载模型。
   2) 位置由这里说了算：钉在左下角、不跟着页面滚动。
   3) 她只做动作（眨眼、视线跟着鼠标、点一下有反应），不说话——
      所以气泡 #oml2d-tips 和状态条 #oml2d-statusBar 一律藏掉。
   ========================================================================== */
#mascot {
  position: fixed;
  left: -16px;
  bottom: 0;
  width: 104px;
  height: 224px;
  z-index: 5;
  display: none;
}
#mascot.is-on { display: block; }
#oml2d-tips,
#oml2d-statusBar,
.oml2d-tips,
.oml2d-statusBar { display: none !important; }
#oml2d-stage {
  position: absolute !important;
  left: 0 !important;
  right: auto !important;
  bottom: 0 !important;
  width: 100% !important;
  height: 100% !important;
}
/* 屏幕上放不下就不显示（和 assets/mascot.js 里的门槛保持一致） */
@media (max-width: 1399px) {
  #mascot { display: none !important; }
}