/* ============================================================
   好记星 · 进销存 —— 官网
   深海军蓝控制台视觉 / 青色主强调 / 琥珀黄点缀
   ============================================================ */

:root {
  --bg: #060b1d;
  --bg-2: #091129;
  --panel: #0c1736;
  --panel-2: #101d45;
  --line: rgba(125, 170, 255, 0.13);
  --line-strong: rgba(125, 170, 255, 0.26);
  --txt: #eaf1ff;
  --muted: #93a6cf;
  --faint: #5f739e;
  --cyan: #2fd6cf;
  --cyan-dim: rgba(47, 214, 207, 0.12);
  --amber: #ffc44e;
  --amber-2: #ffb020;
  --blue: #6f9bff;
  --danger: #ff7b8a;
  --ok: #43e0a2;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --radius: 14px;
  --shadow: 0 24px 70px rgba(2, 6, 20, 0.55);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 78px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--txt);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(47, 214, 207, 0.35); }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
b { font-weight: 700; }

/* ---------- 通用 ---------- */
.kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--cyan);
  margin-bottom: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 15px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}
.btn-lg { padding: 13px 26px; font-size: 16px; }
.btn-primary {
  background: linear-gradient(120deg, #23c8c2, #1f9fd0);
  color: #04121f;
  box-shadow: 0 8px 26px rgba(47, 214, 207, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(47, 214, 207, 0.4); }
.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--txt);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.btn-amber {
  background: linear-gradient(120deg, var(--amber), #ff9d3c);
  color: #231400;
  box-shadow: 0 10px 30px rgba(255, 196, 78, 0.25);
}
.btn-amber:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(255, 196, 78, 0.4); }

.section { padding: 104px 0; position: relative; }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.25;
}
.section-head p { color: var(--muted); margin-top: 16px; font-size: 16px; }

/* 滚动显现 */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 0.9, 0.25, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   导航
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(6, 11, 29, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 26px;
}
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; box-shadow: 0 0 0 1px rgba(255,255,255,0.1), 0 4px 14px rgba(0,0,0,0.4); }
.brand-name { font-size: 17px; font-weight: 700; letter-spacing: 0.02em; }
.brand-name b { color: var(--cyan); font-weight: 700; margin: 0 2px; }

.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 15px;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-links a:hover { color: var(--txt); background: rgba(255, 255, 255, 0.05); }
.btn-nav { padding: 10px 20px; font-size: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  align-items: center;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--txt); border-radius: 2px; transition: transform 0.25s ease, opacity 0.25s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: 148px 0 110px;
  overflow: hidden;
  background:
    linear-gradient(rgba(125, 170, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 170, 255, 0.05) 1px, transparent 1px);
  background-size: 52px 52px;
  background-position: center top;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 50% at 75% 8%, rgba(37, 99, 235, 0.22), transparent 60%),
    radial-gradient(45% 40% at 15% 20%, rgba(47, 214, 207, 0.1), transparent 60%);
  pointer-events: none;
}
.hero-mesh {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(125, 170, 255, 0.2) 1px, transparent 0);
  background-size: 26px 26px;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  opacity: 0.5;
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; }
.glow-a { width: 420px; height: 420px; left: -140px; top: -80px; background: rgba(47, 214, 207, 0.14); }
.glow-b { width: 520px; height: 520px; right: -180px; bottom: -200px; background: rgba(63, 106, 250, 0.18); }

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-left { animation: fadeUp 0.9s cubic-bezier(0.22, 0.9, 0.25, 1) both; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  color: var(--cyan);
  background: var(--cyan-dim);
  margin-bottom: 26px;
}
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); animation: pulse 2.2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.005em;
}
.grad {
  background: linear-gradient(100deg, #4be3dc 10%, #6f9bff 50%, #ffc44e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede { margin-top: 22px; color: var(--muted); font-size: 17px; max-width: 460px; }
.lede b { color: var(--txt); }

.cta-row { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

.hero-points { margin-top: 32px; display: grid; gap: 8px; }
.hero-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}
.hero-points li::before {
  content: "";
  width: 16px; height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #062, transparent 60%), var(--cyan-dim);
  border: 1px solid rgba(47, 214, 207, 0.5);
  box-shadow: inset 0 0 0 4px rgba(6, 11, 29, 0.9);
  flex-shrink: 0;
}

/* ---- 应用窗口 mock ---- */
.hero-right { position: relative; }
.app-glow {
  position: absolute;
  inset: 12% -8% -12% -8%;
  background: radial-gradient(55% 60% at 50% 50%, rgba(47, 214, 207, 0.16), transparent 70%);
  filter: blur(30px);
  z-index: 0;
}
.app-window {
  position: relative;
  z-index: 1;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  overflow: hidden;
  background: #0a1330;
  box-shadow: var(--shadow), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  transform: perspective(1400px) rotateY(-5deg) rotateX(2deg);
  transform-origin: left center;
  animation: floaty 7s ease-in-out infinite;
}
@keyframes floaty {
  0%, 100% { transform: perspective(1400px) rotateY(-5deg) rotateX(2deg) translateY(0); }
  50% { transform: perspective(1400px) rotateY(-5deg) rotateX(2deg) translateY(-10px); }
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }

.aw-titlebar {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 38px;
  padding: 0 12px;
  background: linear-gradient(180deg, #16265a, #101d45);
  border-bottom: 1px solid rgba(125, 170, 255, 0.12);
}
.aw-dots { display: flex; gap: 6px; }
.aw-dots i { width: 10px; height: 10px; border-radius: 50%; }
.aw-dots i:nth-child(1) { background: #ff5f57; }
.aw-dots i:nth-child(2) { background: #febc2e; }
.aw-dots i:nth-child(3) { background: #28c840; }
.aw-title { margin-left: 6px; font-size: 12.5px; color: var(--muted); flex: 1; text-align: center; margin-right: 46px; }
.aw-btn { color: var(--faint); font-size: 11px; width: 20px; text-align: center; }
.aw-close { color: rgba(255, 123, 138, 0.85); }

.aw-body { display: flex; min-height: 340px; }
.aw-side {
  width: 138px;
  flex-shrink: 0;
  background: #0a1432;
  border-right: 1px solid rgba(125, 170, 255, 0.1);
  padding: 10px 8px;
  font-size: 11.5px;
}
.aw-side-title { display: block; color: var(--faint); font-size: 10.5px; padding: 4px 10px 8px; }
.aw-side ul { display: grid; gap: 1px; }
.aw-side li { padding: 5px 10px; border-radius: 6px; color: var(--muted); }
.aw-side li.on { background: rgba(47, 214, 207, 0.14); color: var(--cyan); font-weight: 600; }

.aw-main { flex: 1; padding: 12px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.aw-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.aw-stat {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(125, 170, 255, 0.1);
  border-radius: 9px;
  padding: 8px 10px;
}
.aw-stat .i { font-size: 15px; }
.aw-stat .l { color: var(--faint); font-size: 10px; }
.aw-stat .v { font-family: var(--mono); font-weight: 700; font-size: 13px; color: var(--txt); }
.aw-stat .v.warn { color: var(--danger); }

.aw-card {
  flex: 1;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(125, 170, 255, 0.1);
  border-radius: 9px;
  padding: 8px 10px;
  overflow: hidden;
}
.aw-card-head { display: flex; align-items: center; justify-content: space-between; font-size: 11.5px; padding-bottom: 7px; border-bottom: 1px solid rgba(125, 170, 255, 0.1); }
.aw-card-head a { color: var(--cyan); font-size: 10px; }
.aw-card table { width: 100%; border-collapse: collapse; font-size: 10px; }
.aw-card th { text-align: left; color: var(--faint); font-weight: 500; padding: 6px 4px 3px; }
.aw-card td { padding: 4px; color: var(--muted); white-space: nowrap; }
.aw-card td.r, .aw-card th.r { text-align: right; }
.aw-card .ord { color: var(--blue); font-family: var(--mono); font-size: 9.5px; }
.aw-card tbody tr:hover td { color: var(--txt); }

.aw-statusbar {
  display: flex;
  justify-content: space-between;
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--faint);
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(125, 170, 255, 0.1);
}
.aw-statusbar span:first-child { color: var(--ok); }

/* ============================================================
   标签条
   ============================================================ */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(12, 23, 54, 0.55);
  overflow: hidden;
  padding: 16px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: flex; gap: 34px; width: max-content; animation: scrollX 26s linear infinite; }
.marquee-track span { font-size: 15px; font-weight: 600; color: var(--muted); letter-spacing: 0.08em; }
.marquee-track i { color: var(--cyan); font-style: normal; font-size: 10px; align-self: center; }
@keyframes scrollX { to { transform: translateX(-50%); } }

/* ============================================================
   功能网格
   ============================================================ */
#features {
  background:
    radial-gradient(50% 40% at 50% 0%, rgba(37, 99, 235, 0.1), transparent 70%);
}
.features-grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.feature {
  position: relative;
  background: linear-gradient(180deg, var(--panel), rgba(12, 23, 54, 0.6));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px 22px;
  transition: transform 0.3s cubic-bezier(0.22, 0.9, 0.25, 1), border-color 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}
.feature::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.feature:hover {
  transform: translateY(-6px);
  border-color: rgba(47, 214, 207, 0.4);
  box-shadow: 0 20px 44px rgba(2, 8, 26, 0.5), 0 0 0 1px rgba(47, 214, 207, 0.08) inset;
}
.feature:hover::before { opacity: 1; }
.num {
  position: absolute;
  top: 18px; right: 18px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
  letter-spacing: 0.08em;
}
.f-icon {
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  font-size: 22px;
  border-radius: 12px;
  background: var(--cyan-dim);
  border: 1px solid rgba(47, 214, 207, 0.22);
  margin-bottom: 16px;
}
.feature h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 13.5px; line-height: 1.75; }

/* ============================================================
   开单演示
   ============================================================ */
.section-alt { background: var(--bg-2); }
.workflow {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(280px, 400px) 1fr;
  gap: 76px;
  align-items: center;
}
.receipt {
  position: relative;
  background: #fdf6e3;
  color: #23262e;
  border-radius: 4px;
  padding: 26px 28px;
  box-shadow: 0 30px 70px rgba(2, 6, 20, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.05);
  font-size: 13px;
  font-family: var(--font);
  z-index: 1;
}
.receipt::before, .receipt::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 7px;
  border-top: 1px dashed rgba(35, 38, 46, 0.35);
  border-bottom: 1px dashed rgba(35, 38, 46, 0.35);
}
.receipt::before { top: 96px; }
.receipt::after { bottom: 62px; }
.rc-top { text-align: center; padding-bottom: 8px; border-bottom: 1px dashed rgba(35,38,46,0.3); margin-bottom: 8px; }
.rc-shop { font-weight: 800; font-size: 15px; }
.rc-no { font-family: var(--mono); font-size: 10.5px; color: #6b7280; margin-top: 2px; }
.rc-line, .rc-total { display: flex; justify-content: space-between; }
.rc-line { font-size: 12.5px; padding: 1px 0; }
.rc-line.sub { color: #6b7280; font-size: 11px; }
.rc-sep { border-top: 1px dashed rgba(35,38,46,0.25); margin: 8px 0; }
.rc-rows { display: grid; gap: 3px; }
.rc-row { display: flex; justify-content: space-between; font-size: 11.5px; }
.rc-row span:first-child { color: #4b5563; }
.rc-total { align-items: baseline; font-weight: 700; }
.rc-total b { font-size: 17px; font-family: var(--mono); }
.rc-foot { text-align: center; font-size: 9.5px; color: #9ca3af; margin-top: 4px; letter-spacing: 0.2em; }

.workflow-copy { display: grid; gap: 26px; }
.wf-item { display: flex; gap: 18px; align-items: flex-start; }
.wf-num {
  font-family: var(--mono);
  font-size: 17px;
  color: var(--cyan);
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(47, 214, 207, 0.3);
  background: var(--cyan-dim);
  border-radius: 50%;
  flex-shrink: 0;
  font-weight: 700;
}
.wf-item h4 { font-size: 17px; margin-bottom: 6px; }
.wf-item p { color: var(--muted); font-size: 14px; }

/* ============================================================
   永久免费
   ============================================================ */
.free {
  background:
    radial-gradient(60% 80% at 50% 110%, rgba(255, 196, 78, 0.1), transparent 65%),
    radial-gradient(40% 60% at 50% 0%, rgba(47, 214, 207, 0.08), transparent 60%),
    var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.free-frame {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 72px 40px;
  text-align: center;
  background: linear-gradient(180deg, rgba(16, 29, 69, 0.7), rgba(12, 23, 54, 0.45));
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  overflow: hidden;
}
.free-frame::before, .free-frame::after {
  content: "";
  position: absolute;
  width: 120px; height: 120px;
  border: 2px solid var(--cyan);
  border-radius: 6px;
  opacity: 0.5;
}
.free-frame::before { top: 18px; left: 18px; border-right: 0; border-bottom: 0; }
.free-frame::after { bottom: 18px; right: 18px; border-left: 0; border-top: 0; }
.free-title { font-size: clamp(24px, 3vw, 34px); font-weight: 800; margin-bottom: 8px; }
.free-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  margin: 18px 0 6px;
  line-height: 1;
}
.free-price .cur { font-size: 40px; font-weight: 700; color: var(--cyan); font-family: var(--mono); }
.free-price .zero { font-size: 150px; font-weight: 800; color: transparent; background: linear-gradient(160deg, #eaf1ff 20%, #2fd6cf 90%); -webkit-background-clip: text; background-clip: text; font-family: var(--mono); line-height: 1.1; }
.free-price .forever {
  font-size: 26px;
  color: var(--amber);
  font-weight: 800;
  margin-left: 12px;
  transform: rotate(-4deg);
  display: inline-block;
}
.free-sub { color: var(--muted); font-size: 16px; max-width: 560px; margin: 10px auto 30px; }
.free-points {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-bottom: 38px;
}
.free-points li { font-size: 14.5px; color: var(--txt); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  gap: 12px;
}
details {
  background: linear-gradient(180deg, var(--panel), rgba(12, 23, 54, 0.55));
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.25s ease;
}
details[open] { border-color: rgba(47, 214, 207, 0.4); }
summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  font-size: 15.5px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
.plus {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--cyan);
  font-weight: 500;
  transition: transform 0.25s ease;
  margin-left: 16px;
}
details[open] .plus { transform: rotate(45deg); }
details p { padding: 0 22px 20px; color: var(--muted); font-size: 14px; }

/* ============================================================
   CTA / Footer
   ============================================================ */
.cta {
  text-align: center;
  background:
    radial-gradient(50% 90% at 50% 130%, rgba(47, 214, 207, 0.14), transparent 60%);
}
.cta-inner { max-width: 640px; margin: 0 auto; padding: 0 24px; }
.cta h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; }
.cta p { color: var(--muted); margin-top: 12px; font-size: 16px; }
.cta-btns { display: flex; justify-content: center; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.cta-meta { margin-top: 26px; color: var(--faint); font-size: 13px; letter-spacing: 0.04em; }

.footer { border-top: 1px solid var(--line); background: var(--bg-2); }
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand .brand-mark { width: 26px; height: 26px; }
.footer-brand b { display: block; font-size: 15px; }
.footer-brand span { color: var(--faint); font-size: 12.5px; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--muted); font-size: 14px; transition: color 0.2s ease; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom {
  text-align: center;
  padding: 18px 24px;
  border-top: 1px solid rgba(125, 170, 255, 0.08);
  color: var(--faint);
  font-size: 12.5px;
}
.footer-bottom .beian {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer-bottom .beian:hover { color: var(--cyan); }

/* ============================================================
   Toast（演示站下载占位提示）
   ============================================================ */
.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  z-index: 200;
  transform: translate(-50%, 16px);
  opacity: 0;
  background: rgba(13, 24, 52, 0.95);
  border: 1px solid var(--line-strong);
  color: var(--txt);
  padding: 13px 22px;
  border-radius: 12px;
  font-size: 14px;
  box-shadow: var(--shadow);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1060px) {
  .hero-inner { grid-template-columns: 1fr; gap: 60px; }
  .hero-right { max-width: 620px; }
  .app-window { transform: none; animation: floatyFlat 7s ease-in-out infinite; }
  @keyframes floatyFlat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow { grid-template-columns: 1fr; gap: 46px; }
  .receipt { max-width: 380px; }
}

@media (max-width: 860px) {
  .nav-links, .btn-nav {
    display: none;
  }
  .nav-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 64px;
    left: 12px; right: 12px;
    flex-direction: column;
    background: rgba(9, 17, 41, 0.97);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px;
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
  }
  .nav-links.open a { padding: 13px 16px; }
  .nav-inner { height: 64px; }
  html { scroll-padding-top: 70px; }
  .hero { padding-top: 120px; }
  .section { padding: 76px 0; }
}

@media (max-width: 620px) {
  .features-grid { grid-template-columns: 1fr; }
  .free-price .zero { font-size: 110px; }
  .aw-side { display: none; }
  .aw-statusbar { display: none; }
  .btn-lg { padding: 12px 20px; font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}