/* ═══════════════════════════════════════════════════════════
   software.css — 「软件定制开发」独立页
   依赖 main.css 的 :root 变量（--red --gold --serif --nav-h …）与 .btn
═══════════════════════════════════════════════════════════ */

.sw-hero,
.sw-intro,
.sw-downloads,
.sw-flowsec,
.sw-cta {
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ───────── 页眉 ───────── */
.sw-hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: clamp(440px, 52vw, 600px);
  padding: calc(var(--nav-h, 72px) + 70px) 0 80px;
  background: var(--black, #080808);
}
.sw-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('../img/software-hero.jpg') center center / cover no-repeat;
  filter: brightness(.4) saturate(1.05);   /* 调亮/调暗就改这个数字 */
  transform: scale(1.03);
}
.sw-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(8,8,8,.95) 0%, rgba(8,8,8,.72) 48%, rgba(8,8,8,.5) 100%),
    linear-gradient(0deg, rgba(8,8,8,.88), transparent 55%);
}
.sw-hero .container {
  position: relative;
  z-index: 2;
}
/* signature：右上角极淡的代码符号水印 */
.sw-hero .container::before {
  content: '</>';
  position: absolute;
  right: 0;
  top: -56px;
  z-index: -1;
  font-family: var(--mono);
  font-size: clamp(90px, 15vw, 200px);
  font-weight: 600;
  letter-spacing: -.04em;
  color: var(--gold, #c9a84c);
  opacity: .06;
  pointer-events: none;
}

.sw-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--t2, rgba(255,255,255,.66));
  margin: 0 0 24px;
}
.sw-prompt {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gold, #c9a84c);
  background: rgba(201,168,76,.1);
  border: 1px solid rgba(201,168,76,.32);
  padding: 4px 11px;
  border-radius: 3px;
}
.sw-h1 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: .01em;
  color: #fff;
  margin: 0 0 26px;
}
.sw-h1 em { font-style: italic; color: var(--gold, #c9a84c); }
.sw-lead {
  max-width: 600px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--t2, rgba(255,255,255,.66));
  margin: 0 0 40px;
}
.sw-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.sw-link {
  color: var(--gold, #c9a84c);
  font-size: 15px;
  text-decoration: none;
  transition: opacity var(--transition, .3s ease);
}
.sw-link:hover { opacity: .7; }

/* ───────── 区块标题 ───────── */
.sw-shead { max-width: 920px; margin: 0 0 56px; }
.sw-shead-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold, #c9a84c);
  margin: 0 0 16px;
}
.sw-shead-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.18;
  color: #fff;
  margin: 0;
}
.sw-shead-sub {
  margin: 18px 0 0;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--t2, rgba(255,255,255,.66));
}

/* ───────── 能力网格 ───────── */
.sw-caps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border, rgba(255,255,255,.08));
  border: 1px solid var(--border, rgba(255,255,255,.08));
}
.sw-cap {
  background: var(--deep, #0c0c0c);
  padding: 38px 32px;
  transition: background var(--transition, .3s ease);
}
.sw-cap:hover { background: #101010; }
.sw-cap-ic { color: var(--gold, #c9a84c); display: inline-flex; margin-bottom: 20px; }
.sw-cap-t { font-size: 18px; font-weight: 500; color: #fff; margin: 0 0 12px; }
.sw-cap-d { font-size: 14px; line-height: 1.8; color: var(--t3, rgba(255,255,255,.42)); margin: 0; }

/* ───────── 软件下载 ───────── */
.sw-downloads { background: #0a0a0a; }
.sw-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
}
.sw-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--deep, #0c0c0c);
  border: 1px solid var(--border, rgba(255,255,255,.08));
  border-radius: 4px;
  padding: 30px 28px;
  transition: border-color var(--transition, .3s ease),
              transform var(--transition, .3s ease),
              box-shadow var(--transition, .3s ease);
}
.sw-card:hover {
  border-color: rgba(201,168,76,.42);
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.85);
}
.sw-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
}
.sw-card-ic { color: var(--gold, #c9a84c); }
.sw-chip {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold, #c9a84c);
  border: 1px solid rgba(201,168,76,.35);
  padding: 4px 11px;
  border-radius: 20px;
  white-space: nowrap;
}
.sw-card-name { font-size: 19px; font-weight: 500; color: #fff; margin: 0 0 12px; }
.sw-card-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--t2, rgba(255,255,255,.66));
  margin: 0 0 22px;
  flex: 1;
}
.sw-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
  margin: 0 0 24px;
  padding: 18px 0;
  border-top: 1px solid var(--border, rgba(255,255,255,.08));
  border-bottom: 1px solid var(--border, rgba(255,255,255,.08));
}
.sw-meta div { display: flex; align-items: baseline; gap: 10px; }
.sw-meta dt {
  font-size: 11px;
  color: var(--t3, rgba(255,255,255,.42));
  letter-spacing: .05em;
  margin: 0;
  min-width: 28px;
}
.sw-meta dd { font-family: var(--mono); font-size: 13px; color: #fff; margin: 0; }
.sw-dl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  background: var(--red, #cc0000);
  color: #fff;
  border: 1px solid transparent;
  transition: filter var(--transition, .3s ease), transform var(--transition, .3s ease);
}
.sw-dl:hover { filter: brightness(1.12); transform: translateY(-1px); }
.sw-dl-soon {
  background: transparent;
  border-color: var(--border, rgba(255,255,255,.08));
  color: var(--t3, rgba(255,255,255,.42));
  cursor: not-allowed;
}
.sw-dl-soon:hover { filter: none; transform: none; }

/* ───────── 定制流程 ───────── */
.sw-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border, rgba(255,255,255,.08));
  border: 1px solid var(--border, rgba(255,255,255,.08));
}
.sw-step { background: var(--deep, #0c0c0c); padding: 36px 26px; }
.sw-step-n {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold, #c9a84c);
  margin-bottom: 20px;
}
.sw-step-t { font-size: 16px; font-weight: 500; color: #fff; margin: 0 0 12px; }
.sw-step-d { font-size: 13px; line-height: 1.75; color: var(--t3, rgba(255,255,255,.42)); margin: 0; }

/* ───────── CTA ───────── */
.sw-cta-box {
  border: 1px solid rgba(201,168,76,.3);
  border-radius: 6px;
  padding: 64px 40px;
  text-align: center;
  background: radial-gradient(ellipse at center, rgba(201,168,76,.05), transparent 70%);
}
.sw-cta-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold, #c9a84c);
  margin: 0 0 18px;
}
.sw-cta-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(28px, 4vw, 44px);
  color: #fff;
  margin: 0 0 16px;
}
.sw-cta-sub {
  color: var(--t2, rgba(255,255,255,.66));
  font-size: 15px;
  line-height: 1.8;
  max-width: 480px;
  margin: 0 auto 32px;
}
.btn-lg { padding: 16px 38px; font-size: 15px; }

/* ───────── 响应式 ───────── */
@media (max-width: 980px) {
  .sw-caps { grid-template-columns: repeat(2, 1fr); }
  .sw-flow { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .sw-caps { grid-template-columns: 1fr; }
  .sw-flow { grid-template-columns: 1fr; }
  .sw-grid { grid-template-columns: 1fr; }
  .sw-cta-box { padding: 48px 24px; }
}

/* ───────── 无障碍：尊重减弱动效 ───────── */
@media (prefers-reduced-motion: reduce) {
  .sw-card, .sw-dl, .sw-cap, .sw-link { transition: none; }
  .sw-card:hover, .sw-dl:hover { transform: none; }
}
/* ── 移动端精修 V3（追加到 software.css 末尾）── */
@media(max-width:600px){
  .sw-cap{ padding:30px 24px; }
  .sw-card{ padding:26px 22px; }
  .sw-step{ padding:28px 22px; }
  .sw-hero{ padding:calc(var(--nav-h,72px) + 44px) 0 56px; }
  .sw-meta{ grid-template-columns:1fr; }
}