/* =========================================================================
   每日大赛|聚集地爆料.百度看 —— 每日大赛程序员极限编程挑战平台
   全局样式 · 终端代码 + 矩阵科技风
   主色 极客荧光绿 #00FF41 / 辅色 赛博紫 #B026FF · 警告红 #FF003C
   背景 终端黑 #0D0D0D / 卡片 矩阵灰 #1A1A1A / 正文 高亮白 #E0E0E0
   ========================================================================= */

:root {
  --c-green: #00FF41;
  --c-green-dim: #00b32d;
  --c-purple: #B026FF;
  --c-red: #FF003C;
  --c-bg: #0D0D0D;
  --c-bg-2: #111311;
  --c-card: #1A1A1A;
  --c-card-glass: rgba(26, 26, 26, 0.62);
  --c-text: #E0E0E0;
  --c-text-dim: #8a958a;
  --c-border: rgba(0, 255, 65, 0.22);
  --c-border-soft: rgba(255, 255, 255, 0.08);
  --font-mono: "JetBrains Mono", "Fira Code", "Source Code Pro", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --maxw: 1200px;
  --header-h: 66px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* 全站矩阵雨画布背景 */
#matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.16;
  pointer-events: none;
}

/* 细网格叠加，强化矩阵感 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 255, 65, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 65, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
}

a { color: var(--c-green); text-decoration: none; transition: color .2s var(--ease-out); }
a:hover { color: #6cff95; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; position: relative; z-index: 1; }

/* 字体 / 工具类 */
.mono { font-family: var(--font-mono); }
.green { color: var(--c-green); }
.purple { color: var(--c-purple); }
.red { color: var(--c-red); }
.dim { color: var(--c-text-dim); }
.tag-green { color: var(--c-green); }

/* ===================== 顶部导航 / 终端命令行 ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 9, 8, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-border);
}
.nav {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 26px;
}
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand img { width: 34px; height: 34px; filter: drop-shadow(0 0 6px rgba(0,255,65,.6)); }
.brand .brand-name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: .5px;
  color: #fff;
  white-space: nowrap;
}
.brand .brand-name::before { content: "$ "; color: var(--c-green); }

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: 6px; flex-wrap: wrap; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--c-text);
  padding: 7px 12px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all .18s var(--ease-out);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--c-green);
  border-color: var(--c-border);
  background: rgba(0, 255, 65, 0.07);
}

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

/* 终端搜索框 */
.term-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #060806;
  border: 1px solid var(--c-border);
  border-radius: 7px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  min-width: 220px;
  transition: border-color .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.term-search:focus-within { border-color: var(--c-green); box-shadow: 0 0 0 3px rgba(0,255,65,.12); }
.term-search .prompt { color: var(--c-green); font-weight: 700; }
.term-search input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--c-text);
  font-family: var(--font-mono);
  font-size: .88rem;
  width: 100%;
}
.term-search input::placeholder { color: #4f594f; }

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--c-border);
  color: var(--c-green);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  width: 40px; height: 38px;
  border-radius: 7px;
  cursor: pointer;
}

/* ===================== 按钮 ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: .92rem;
  padding: 12px 22px;
  border-radius: 8px;
  border: 1px solid var(--c-green);
  background: rgba(0, 255, 65, 0.1);
  color: var(--c-green);
  cursor: pointer;
  transition: transform .16s var(--ease-out), box-shadow .2s var(--ease-out), background .2s var(--ease-out);
}
.btn:hover { background: rgba(0,255,65,.2); box-shadow: 0 0 22px rgba(0,255,65,.35); color: var(--c-green); }
.btn:active { transform: scale(.97); }
.btn-solid { background: var(--c-green); color: #04190a; border-color: var(--c-green); }
.btn-solid:hover { background: #57ff85; color: #04190a; }
.btn-purple { border-color: var(--c-purple); color: var(--c-purple); background: rgba(176,38,255,.1); }
.btn-purple:hover { background: rgba(176,38,255,.22); box-shadow: 0 0 22px rgba(176,38,255,.4); color: var(--c-purple); }
.btn-ghost { background: transparent; border-color: var(--c-border-soft); color: var(--c-text); }
.btn-ghost:hover { border-color: var(--c-green); color: var(--c-green); box-shadow: none; }

/* ===================== 通用区块 ===================== */
section { position: relative; z-index: 1; padding: 70px 0; }
.section-head { margin-bottom: 38px; }
.section-head .eyebrow {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--c-green);
  letter-spacing: 1px;
  display: inline-block;
  margin-bottom: 10px;
}
.section-head .eyebrow::before { content: "// "; color: var(--c-purple); }
.section-head h2 {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  color: #fff;
  font-weight: 700;
  letter-spacing: .5px;
}
.section-head p { color: var(--c-text-dim); max-width: 640px; margin-top: 12px; }

/* ===================== 卡片 ===================== */
.card {
  background: var(--c-card-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--c-border-soft);
  border-radius: 12px;
  overflow: hidden;
  transition: transform .25s var(--ease-out), border-color .25s var(--ease-out), box-shadow .25s var(--ease-out);
  position: relative;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--c-border);
  box-shadow: 0 14px 40px rgba(0,0,0,.55), 0 0 26px rgba(0,255,65,.12);
}
.card-media { position: relative; aspect-ratio: 3 / 2; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease-out); }
.card:hover .card-media img { transform: scale(1.06); }
.card-body { padding: 20px; }
.card-body h3 { font-family: var(--font-mono); font-size: 1.12rem; color: #fff; margin-bottom: 8px; }
.card-body p { color: var(--c-text-dim); font-size: .92rem; }

/* 角标 / 徽章 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: .72rem;
  padding: 4px 10px;
  border-radius: 5px;
  border: 1px solid var(--c-border);
  color: var(--c-green);
  background: rgba(0,255,65,.08);
  letter-spacing: .5px;
}
.badge.purple { color: var(--c-purple); border-color: rgba(176,38,255,.35); background: rgba(176,38,255,.1); }
.badge.red { color: var(--c-red); border-color: rgba(255,0,60,.35); background: rgba(255,0,60,.1); }

/* 倒计时 pill */
.countdown { display: inline-flex; gap: 6px; font-family: var(--font-mono); }
.countdown .unit {
  background: #050705;
  border: 1px solid var(--c-border);
  border-radius: 5px;
  padding: 4px 8px;
  min-width: 38px;
  text-align: center;
  color: var(--c-green);
  font-weight: 700;
}
.countdown .unit span { display: block; font-size: .58rem; color: var(--c-text-dim); font-weight: 400; }

/* ===================== Grid ===================== */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===================== Hero ===================== */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 90px 0;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(13,13,13,.96) 0%, rgba(13,13,13,.82) 38%, rgba(13,13,13,.45) 100%);
}
.hero .wrap { position: relative; z-index: 2; }
.hero-inner { max-width: 720px; }
.hero .term-line {
  font-family: var(--font-mono);
  color: var(--c-green);
  font-size: .92rem;
  margin-bottom: 18px;
  letter-spacing: .5px;
}
.hero h1 {
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 6vw, 4rem);
  line-height: 1.12;
  color: #fff;
  font-weight: 800;
  letter-spacing: -.5px;
  margin-bottom: 12px;
}
.hero h1 .accent { color: var(--c-green); text-shadow: 0 0 24px rgba(0,255,65,.5); }
.hero .typed { font-family: var(--font-mono); font-size: clamp(1rem,2.4vw,1.5rem); color: var(--c-purple); min-height: 1.6em; margin-bottom: 20px; }
.hero .typed .cursor { display: inline-block; width: 11px; background: var(--c-green); animation: blink 1s step-end infinite; }
.hero .lede { color: var(--c-text); font-size: 1.05rem; max-width: 560px; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 34px; margin-top: 46px; flex-wrap: wrap; }
.hero-stats .stat .num { font-family: var(--font-mono); font-size: 1.9rem; color: var(--c-green); font-weight: 800; }
.hero-stats .stat .lbl { font-size: .82rem; color: var(--c-text-dim); }

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ===================== Glitch hover ===================== */
.glitch { position: relative; display: inline-block; }
.glitch:hover::before, .glitch:hover::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 0; width: 100%;
  overflow: hidden;
}
.glitch:hover::before { color: var(--c-purple); animation: glitch-a .4s infinite linear alternate-reverse; clip-path: inset(0 0 55% 0); }
.glitch:hover::after  { color: var(--c-red);   animation: glitch-b .4s infinite linear alternate-reverse; clip-path: inset(55% 0 0 0); }
@keyframes glitch-a { 0%{transform:translate(0)} 100%{transform:translate(-2px,-1px)} }
@keyframes glitch-b { 0%{transform:translate(0)} 100%{transform:translate(2px,1px)} }

/* ===================== 实时战况终端 ===================== */
.terminal {
  background: #060806;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  font-family: var(--font-mono);
  overflow: hidden;
  box-shadow: 0 0 30px rgba(0,255,65,.08) inset;
}
.terminal-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 15px;
  background: #0c0f0c;
  border-bottom: 1px solid var(--c-border-soft);
}
.terminal-bar .dot { width: 11px; height: 11px; border-radius: 50%; }
.terminal-bar .dot.r { background: #ff5f56; }
.terminal-bar .dot.y { background: #ffbd2e; }
.terminal-bar .dot.g { background: #27c93f; }
.terminal-bar .title { margin-left: 10px; color: var(--c-text-dim); font-size: .8rem; }
.terminal-body { padding: 16px 18px; height: 320px; overflow: hidden; font-size: .86rem; }
.log-line { padding: 3px 0; white-space: nowrap; opacity: 0; animation: feedin .4s var(--ease-out) forwards; }
.log-line .t { color: #5a6b5a; }
.log-line .ac { color: var(--c-green); font-weight: 700; }
.log-line .wa { color: var(--c-red); font-weight: 700; }
.log-line .tle { color: #ffbd2e; font-weight: 700; }
.log-line .usr { color: var(--c-purple); }
@keyframes feedin { from{opacity:0; transform:translateY(6px)} to{opacity:1; transform:translateY(0)} }

/* ===================== 代码编辑器预览组件 ===================== */
.code-editor {
  background: #060806;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  overflow: hidden;
  font-family: var(--font-mono);
}
.code-editor .ce-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; background: #0c0f0c; border-bottom: 1px solid var(--c-border-soft);
}
.code-editor .ce-bar .fname { color: var(--c-text-dim); font-size: .8rem; margin-left: 8px; }
.code-editor .ce-bar .run {
  margin-left: auto; font-family: var(--font-mono); font-size: .76rem;
  color: var(--c-green); border: 1px solid var(--c-green); background: rgba(0,255,65,.1);
  padding: 4px 13px; border-radius: 5px; cursor: pointer; transition: all .16s var(--ease-out);
}
.code-editor .ce-bar .run:hover { background: rgba(0,255,65,.25); }
.code-editor .ce-bar .run:active { transform: scale(.96); }
.code-editor .ce-main { display: flex; }
.code-editor .gutter {
  padding: 14px 8px; text-align: right; color: #3a463a; font-size: .82rem;
  user-select: none; background: #080a08; border-right: 1px solid var(--c-border-soft); min-width: 38px;
}
.code-editor pre { padding: 14px 16px; overflow-x: auto; flex: 1; }
.code-editor code { font-size: .84rem; line-height: 1.55; }
.code-editor .out {
  border-top: 1px solid var(--c-border-soft); padding: 12px 16px; background: #040504;
  color: var(--c-text-dim); font-size: .8rem; min-height: 44px;
}
.code-editor .out .ok { color: var(--c-green); }
/* 语法高亮 token */
.tok-kw { color: var(--c-purple); }
.tok-fn { color: #56d4ff; }
.tok-str { color: #ffbd2e; }
.tok-num { color: #ff9d6c; }
.tok-com { color: #4f594f; font-style: italic; }
.tok-op { color: var(--c-green); }

/* ===================== 天梯榜 ===================== */
.ladder { border: 1px solid var(--c-border-soft); border-radius: 12px; overflow: hidden; background: var(--c-card-glass); }
.ladder-row {
  display: grid; grid-template-columns: 56px 1fr 110px 92px 70px;
  align-items: center; gap: 10px;
  padding: 13px 18px; border-bottom: 1px solid var(--c-border-soft);
  font-family: var(--font-mono); transition: background .2s var(--ease-out);
}
.ladder-row:hover { background: rgba(0,255,65,.05); }
.ladder-row.head { color: var(--c-text-dim); font-size: .76rem; letter-spacing: .5px; background: #0c0f0c; }
.ladder-row .rank { font-weight: 800; color: var(--c-green); font-size: 1.05rem; }
.ladder-row .rank.top { color: var(--c-purple); }
.ladder-row .uid { color: #fff; }
.ladder-row .tier { color: var(--c-purple); font-size: .82rem; }
.ladder-row .score { color: var(--c-green); font-weight: 700; }
.ladder-row .delta.up { color: var(--c-green); }
.ladder-row .delta.down { color: var(--c-red); }

/* ===================== 雷达图组件 ===================== */
.radar-wrap { display: flex; align-items: center; gap: 30px; flex-wrap: wrap; }
.radar-wrap svg { flex-shrink: 0; }
.radar-legend li { font-family: var(--font-mono); font-size: .86rem; padding: 5px 0; color: var(--c-text-dim); }
.radar-legend li b { color: var(--c-green); }

/* ===================== Logo 墙 ===================== */
.logo-wall { display: flex; flex-wrap: wrap; gap: 16px; }
.logo-chip {
  font-family: var(--font-mono); font-size: .9rem; color: var(--c-text-dim);
  border: 1px solid var(--c-border-soft); border-radius: 8px; padding: 16px 24px;
  flex: 1 1 150px; text-align: center; transition: all .2s var(--ease-out); background: var(--c-card-glass);
}
.logo-chip:hover { border-color: var(--c-border); color: var(--c-green); }

/* ===================== 页脚 ===================== */
.site-footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--c-border);
  background: rgba(7,8,7,.85);
  padding: 56px 0 26px;
  margin-top: 30px;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; }
.footer-grid h4 { font-family: var(--font-mono); color: #fff; font-size: .95rem; margin-bottom: 14px; }
.footer-grid a { display: block; color: var(--c-text-dim); font-size: .88rem; padding: 4px 0; }
.footer-grid a:hover { color: var(--c-green); }
.footer-about p { color: var(--c-text-dim); font-size: .88rem; margin-top: 12px; max-width: 280px; }
.footer-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--c-border-soft);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: .8rem; color: var(--c-text-dim);
}

/* ===================== 面包屑 / 页头 banner ===================== */
.page-hero { padding: 56px 0 40px; border-bottom: 1px solid var(--c-border-soft); position: relative; overflow: hidden; }
.page-hero .breadcrumb { font-family: var(--font-mono); font-size: .82rem; color: var(--c-text-dim); margin-bottom: 14px; }
.page-hero .breadcrumb a { color: var(--c-green); }
.page-hero h1 { font-family: var(--font-mono); font-size: clamp(1.8rem,4vw,2.8rem); color: #fff; font-weight: 800; }
.page-hero .lede { color: var(--c-text-dim); max-width: 680px; margin-top: 12px; }

/* 内容文本块 */
.prose h2 { font-family: var(--font-mono); color: #fff; font-size: 1.5rem; margin: 34px 0 14px; padding-left: 14px; border-left: 3px solid var(--c-green); }
.prose h3 { font-family: var(--font-mono); color: var(--c-green); font-size: 1.15rem; margin: 22px 0 10px; }
.prose p { color: var(--c-text); margin-bottom: 14px; }
.prose ul.bullet { margin: 0 0 16px; padding-left: 4px; }
.prose ul.bullet li { color: var(--c-text); padding: 6px 0 6px 24px; position: relative; }
.prose ul.bullet li::before { content: ">"; position: absolute; left: 0; color: var(--c-green); font-family: var(--font-mono); font-weight: 700; }

/* 信息表格 */
.data-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: .88rem; }
.data-table th, .data-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--c-border-soft); }
.data-table th { color: var(--c-green); background: #0c0f0c; font-weight: 600; }
.data-table td { color: var(--c-text); }
.data-table tr:hover td { background: rgba(0,255,65,.04); }

/* FAQ 折叠 */
.faq-item { border: 1px solid var(--c-border-soft); border-radius: 9px; margin-bottom: 12px; overflow: hidden; background: var(--c-card-glass); }
.faq-q { padding: 16px 18px; font-family: var(--font-mono); color: #fff; cursor: pointer; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.faq-q::before { content: "Q:"; color: var(--c-green); margin-right: 8px; }
.faq-q .chev { color: var(--c-green); transition: transform .2s var(--ease-out); }
.faq-item.open .faq-q .chev { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s var(--ease-out); padding: 0 18px; color: var(--c-text-dim); }
.faq-item.open .faq-a { max-height: 320px; padding: 0 18px 18px; }

/* tab 子区导航（栏目页内五类文本） */
.subnav { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; border-bottom: 1px solid var(--c-border-soft); padding-bottom: 14px; }
.subnav a { font-family: var(--font-mono); font-size: .86rem; color: var(--c-text-dim); padding: 7px 14px; border: 1px solid var(--c-border-soft); border-radius: 6px; }
.subnav a:hover { color: var(--c-green); border-color: var(--c-border); }

/* 弹窗（登录终端） */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(2,3,2,.78); backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal-mask.show { display: flex; animation: fade .2s var(--ease-out); }
@keyframes fade { from{opacity:0} to{opacity:1} }
.modal {
  width: 100%; max-width: 440px; background: #060806; border: 1px solid var(--c-green);
  border-radius: 12px; overflow: hidden; box-shadow: 0 0 50px rgba(0,255,65,.2);
  transform: scale(.96); animation: pop .2s var(--ease-out) forwards;
}
@keyframes pop { to{ transform: scale(1) } }
.modal .m-bar { display: flex; align-items: center; gap: 8px; padding: 11px 15px; background: #0c0f0c; border-bottom: 1px solid var(--c-border-soft); font-family: var(--font-mono); }
.modal .m-bar .title { margin-left: 10px; color: var(--c-text-dim); font-size: .82rem; }
.modal .m-bar .close { margin-left: auto; color: var(--c-text-dim); cursor: pointer; background: none; border: none; font-size: 1rem; }
.modal .m-body { padding: 24px; font-family: var(--font-mono); }
.modal .m-body .ln { color: var(--c-green); font-size: .88rem; margin-bottom: 16px; }
.modal label { display: block; color: var(--c-text-dim); font-size: .8rem; margin: 14px 0 6px; }
.modal input {
  width: 100%; background: #0c0f0c; border: 1px solid var(--c-border); border-radius: 7px;
  padding: 11px 13px; color: var(--c-text); font-family: var(--font-mono); outline: none;
}
.modal input:focus { border-color: var(--c-green); }
.modal .btn { width: 100%; justify-content: center; margin-top: 20px; }
.modal .note { color: var(--c-text-dim); font-size: .76rem; margin-top: 14px; text-align: center; }

/* reveal 动画 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* 数据流光束加载条 */
.beam { height: 3px; width: 100%; background: linear-gradient(90deg, transparent, var(--c-green), transparent); background-size: 200% 100%; animation: beam 1.4s linear infinite; border-radius: 3px; }
@keyframes beam { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* 搜索结果 */
.search-result { border: 1px solid var(--c-border-soft); border-radius: 9px; padding: 18px 20px; margin-bottom: 14px; background: var(--c-card-glass); transition: border-color .2s var(--ease-out); }
.search-result:hover { border-color: var(--c-border); }
.search-result h3 { font-family: var(--font-mono); margin-bottom: 6px; }
.search-result .url { font-family: var(--font-mono); font-size: .78rem; color: var(--c-green); margin-bottom: 8px; }
.search-result p { color: var(--c-text-dim); font-size: .9rem; }

/* 404 */
.err-page { min-height: 80vh; display: flex; align-items: center; }
.err-term { width: 100%; max-width: 760px; margin: 0 auto; }
.err-term .terminal-body { height: auto; }
.err-term .big { font-family: var(--font-mono); font-size: clamp(3rem,12vw,7rem); color: var(--c-red); font-weight: 800; line-height: 1; margin: 6px 0 14px; }

/* ===================== 响应式 ===================== */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-links, .term-search.desktop { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #0a0c0a; border-bottom: 1px solid var(--c-border); padding: 14px; gap: 4px; z-index: 60;
  }
  .grid-2 { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding: 70px 0; }
  .hero-stats { gap: 22px; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 540px) {
  .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .ladder-row { grid-template-columns: 40px 1fr 64px; }
  .ladder-row .tier, .ladder-row .delta { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
}