/* ==========================================================================
   Canton214nb 我的世界服务器 — 站点样式
   纯手写 CSS，无框架、无外部字体、无构建步骤。
   换配色：只改 :root 里的变量即可。
   ========================================================================== */

:root {
  --bg:        #0a0f0d;
  --bg-soft:   #101815;
  --surface:   #14201b;
  --surface-2: #1a2a23;
  --border:    rgba(255, 255, 255, .10);
  --text:      #e9f2ec;
  --text-dim:  #93a89c;
  --accent:    #46c46a;   /* 草绿 */
  --accent-2:  #8fe36b;   /* 嫩芽绿 */
  --gold:      #e8c04a;   /* 下界金 */
  --danger:    #e8734a;
  --shadow:    0 12px 40px rgba(0, 0, 0, .40);
  --radius:    14px;
  --wrap:      1100px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "Cascadia Mono", "JetBrains Mono", Consolas, "SF Mono", Menlo, monospace;
}

[data-theme="light"] {
  --bg:        #f4f8f5;
  --bg-soft:   #ffffff;
  --surface:   #ffffff;
  --surface-2: #eef5f0;
  --border:    rgba(16, 40, 26, .13);
  --text:      #10241a;
  --text-dim:  #55705f;
  --accent:    #1f9c4a;
  --accent-2:  #4fae35;
  --gold:      #b8860b;
  --shadow:    0 10px 34px rgba(16, 40, 26, .10);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 5.5vw, 3.3rem); }
h3 { font-size: 1.1rem; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.wrap.narrow { max-width: 780px; }
.muted { color: var(--text-dim); }
.small { font-size: .88rem; }
.center { text-align: center; }
.mono { font-family: var(--mono); }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #06210f; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

/* ---------------------------------------------------------------- 顶栏 */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(150%) blur(12px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.site-header.is-stuck { border-bottom-color: var(--border); }
.header-inner { display: flex; align-items: center; gap: 18px; min-height: 64px; }

.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--text); font-weight: 700; text-decoration: none; margin-right: auto;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid; place-items: center; width: 30px; height: 30px;
  border-radius: 8px; background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #06210f; font-weight: 800; font-size: .95rem;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, .18);
}
.brand-name { font-size: 1.02rem; }
.brand-sub { font-size: .72rem; color: var(--text-dim); display: block; line-height: 1; }

.nav { display: flex; gap: 20px; align-items: center; }
.nav a { color: var(--text-dim); font-size: .95rem; }
.nav a:hover, .nav a.active { color: var(--text); text-decoration: none; }
.nav a.active { color: var(--accent); }

.header-actions { display: flex; gap: 8px; }
.icon-btn {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid var(--border); background: transparent; color: var(--text); cursor: pointer;
  transition: background .15s ease;
}
.icon-btn:hover { background: var(--surface); }
.icon-btn svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.i-moon { display: none; }
[data-theme="dark"] .i-sun { display: none; }
[data-theme="dark"] .i-moon { display: block; }
.burger { display: none; }

/* ---------------------------------------------------------------- Hero */
.hero { position: relative; padding: clamp(56px, 10vw, 110px) 0 clamp(40px, 7vw, 80px); overflow: hidden; }
.hero-inner { position: relative; z-index: 1; max-width: 820px; }
.hero-glow {
  position: absolute; inset: -30% -20% auto -20%; height: 620px;
  background:
    radial-gradient(45% 55% at 25% 45%, color-mix(in srgb, var(--accent) 38%, transparent), transparent 70%),
    radial-gradient(40% 50% at 72% 35%, color-mix(in srgb, var(--accent-2) 26%, transparent), transparent 70%);
  filter: blur(30px); opacity: .55; pointer-events: none;
  animation: drift 18s ease-in-out infinite alternate;
}
@keyframes drift { from { transform: translate3d(-2%, -1%, 0) scale(1); } to { transform: translate3d(3%, 2%, 0) scale(1.08); } }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .85rem; color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; margin: 0 0 20px;
  background: color-mix(in srgb, var(--surface) 60%, transparent);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-2) 60%, transparent); }
  70%  { box-shadow: 0 0 0 9px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.grad { background: linear-gradient(100deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1.02rem, 2.1vw, 1.16rem); color: var(--text-dim); max-width: 62ch; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 22px; border-radius: 11px;
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
  border: 1px solid transparent; transition: transform .12s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #06210f; box-shadow: 0 8px 26px color-mix(in srgb, var(--accent) 32%, transparent); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--surface); }
.btn-sm { min-height: 36px; padding: 0 14px; font-size: .9rem; border-radius: 9px; }

/* ------------------------------------------------------- 服务器状态卡 */
.server-card {
  margin-top: 30px; padding: 20px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  display: grid; gap: 16px;
}
.server-addr { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.server-addr code {
  font-family: var(--mono); font-size: clamp(1rem, 2.4vw, 1.3rem); font-weight: 600;
  color: var(--accent-2); background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
  padding: 8px 14px; border-radius: 10px; letter-spacing: .02em;
}
.copy-btn { position: relative; }
.copy-btn.copied { background: var(--accent); color: #06210f; border-color: transparent; }

.server-meta { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
.server-meta div { background: color-mix(in srgb, var(--surface-2) 80%, transparent); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.server-meta dt { font-size: .76rem; color: var(--text-dim); margin: 0 0 2px; }
.server-meta dd { margin: 0; font-size: .95rem; font-weight: 600; }

/* ---------------------------------------------------------- 通用 section */
.section { padding: clamp(48px, 8vw, 88px) 0; }
.section-title { font-size: clamp(1.4rem, 3.2vw, 1.9rem); }
.section-sub { color: var(--text-dim); margin-top: -.4em; }
.section-head { margin-bottom: 30px; }

.grid { display: grid; gap: 18px; margin-top: 30px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.card {
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 22px;
  box-shadow: var(--shadow); transition: transform .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.card p { color: var(--text-dim); margin: 0; font-size: .95rem; }
.card-icon {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; margin-bottom: 14px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.card-icon svg { width: 21px; height: 21px; fill: none; stroke: var(--accent-2); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.badge {
  display: inline-block; font-size: .76rem; font-weight: 600; padding: 3px 9px; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent-2); border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent);
}
.badge-gold { background: color-mix(in srgb, var(--gold) 16%, transparent); color: var(--gold); border-color: color-mix(in srgb, var(--gold) 34%, transparent); }
.badge-dim  { background: color-mix(in srgb, var(--text-dim) 14%, transparent); color: var(--text-dim); border-color: var(--border); }

/* ---------------------------------------------------------------- 步骤 */
.steps { list-style: none; counter-reset: s; margin: 26px 0 0; padding: 0; display: grid; gap: 14px; }
.steps li { counter-increment: s; position: relative; padding: 16px 18px 16px 58px; background: color-mix(in srgb, var(--surface) 88%, transparent); border: 1px solid var(--border); border-radius: 12px; }
.steps li::before {
  content: counter(s); position: absolute; left: 16px; top: 16px;
  width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #06210f; font-weight: 800; font-size: .85rem;
}
.steps strong { display: block; margin-bottom: 2px; }
.steps p { margin: 0; color: var(--text-dim); font-size: .93rem; }

/* ------------------------------------------------------------ 下载卡片 */
.dl-card {
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
.dl-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.dl-head h3 { margin: 0; }
.dl-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 18px; }
.dl-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.dl-locked { color: var(--text-dim); font-size: .9rem; }

/* ------------------------------------------------------------- QQ 群卡 */
.qq-card {
  display: flex; flex-wrap: wrap; gap: 20px; align-items: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, var(--surface)), color-mix(in srgb, var(--accent-2) 8%, var(--surface)));
  border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--border));
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
.qq-num { font-family: var(--mono); font-size: clamp(1.3rem, 4vw, 2rem); font-weight: 700; color: var(--accent-2); letter-spacing: .04em; }
.qq-card > div { flex: 1 1 260px; }

/* ------------------------------------------------------------------ 表单 */
.form { display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font-size: .9rem; font-weight: 600; }
.field .hint { font-size: .8rem; color: var(--text-dim); }
input[type="text"], input[type="email"], input[type="number"], textarea, select {
  width: 100%; font: inherit; color: var(--text);
  background: color-mix(in srgb, var(--surface) 85%, transparent);
  border: 1px solid var(--border); border-radius: 10px; padding: 11px 13px; resize: vertical;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--text-dim) 80%, transparent); }
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--danger); }
.err { margin: 0; font-size: .83rem; color: var(--danger); }
.checkbox-row { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; color: var(--text-dim); }
.checkbox-row input { width: auto; margin-top: 4px; }
.turnstile-slot { min-height: 68px; }
.form-status { margin: 0; font-size: .92rem; min-height: 1.4em; }
.form-status.ok { color: var(--accent-2); }
.form-status.bad { color: var(--danger); }

/* ------------------------------------------------------------------ 提示条 */
.notice {
  border: 1px solid color-mix(in srgb, var(--gold) 34%, var(--border));
  background: color-mix(in srgb, var(--gold) 10%, transparent);
  border-radius: 12px; padding: 14px 16px; font-size: .93rem; color: var(--text-dim);
}
.notice strong { color: var(--gold); }

/* ------------------------------------------------------------------ FAQ */
details.faq { border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; background: color-mix(in srgb, var(--surface) 88%, transparent); margin-top: 10px; }
details.faq summary { cursor: pointer; font-weight: 600; }
details.faq p { color: var(--text-dim); margin: 10px 0 0; font-size: .94rem; }

/* ------------------------------------------------------------------ 页脚 */
.site-footer { border-top: 1px solid var(--border); padding: 30px 0; margin-top: 40px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; color: var(--text-dim); font-size: .9rem; }
.footer-inner p { margin: 0; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--text-dim); }
.footer-links a:hover { color: var(--text); }

/* ------------------------------------------------------------------ 404 */
.center-page { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 24px; }

/* ---------------------------------------------------------------- 响应式 */
@media (max-width: 760px) {
  .burger { display: grid; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; gap: 0;
    background: var(--bg-soft); border-bottom: 1px solid var(--border); padding: 6px 20px 14px; display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 1rem; }
  .nav a:last-child { border-bottom: 0; }
  .cta-row .btn { flex: 1 1 100%; }
}

@media print {
  .site-header, .hero-glow, .cta-row, .form { display: none !important; }
  body { background: #fff; color: #000; }
}