/* ===================================================================
   上海烟草生产设备部业务门户 — Swiss Industrial Print (Bright)
   上海烟草 VI 实测色号 · 象牙白底 + 墨绿工业风
   =================================================================== */
:root {
  --c-primary:   #076646;  /* logo 深墨绿 */
  --c-grad-a:    #07583D;  /* 渐变起点 深绿 */
  --c-grad-b:    #08905F;  /* 渐变中段 标准绿 */
  --c-grad-c:    #23A877;  /* 渐变终点 亮翠绿 */
  --c-bg:        #FFFCE8;  /* 背景 象牙白 */
  --c-ink:       #1A1617;  /* 文字主色 */
  --c-white:     #FFFFFF;  /* 反白字 */
  --c-line:      #1A1617;  /* 结构分割线（碳墨） */
  --c-line-soft: rgba(26,22,23,0.14);
  --c-hero-a:    #FFFCE8;
  --c-hero-b:    #E8F5EF;

  --font-macro: "Archivo", "Inter", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  --font-micro: "JetBrains Mono", "IBM Plex Mono", "Space Mono", monospace;
  --font-body:  "Inter", "Microsoft YaHei", -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  /* 机械噪点：极低透明度网格 */
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 39px, var(--c-line-soft) 39px, var(--c-line-soft) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, var(--c-line-soft) 39px, var(--c-line-soft) 40px);
  background-attachment: fixed;
}

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

/* ---------- 工业微排字（monospace 元数据） ---------- */
.mono {
  font-family: var(--font-micro);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--c-bg);
  border-bottom: 2px solid var(--c-line);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 0 clamp(1rem, 4vw, 3rem);
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 0.9rem; }
.brand-mark {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--c-grad-a), var(--c-grad-c));
  display: grid; place-items: center;
  color: var(--c-white); font-family: var(--font-macro); font-weight: 800;
  font-size: 1.1rem;
}
.brand-text b {
  font-family: var(--font-macro); font-weight: 800;
  font-size: 1.05rem; letter-spacing: -0.01em; color: var(--c-primary);
  display: block; line-height: 1;
}
.brand-text span { font-family: var(--font-micro); font-size: 0.6rem; letter-spacing: 0.14em; color: var(--c-ink); opacity: 0.6; }

.header-right { display: flex; align-items: center; gap: 1rem; }
.user-chip {
  font-family: var(--font-micro); font-size: 0.72rem; letter-spacing: 0.06em;
  border: 1px solid var(--c-line); padding: 0.35rem 0.7rem;
  display: flex; align-items: center; gap: 0.5rem; background: var(--c-white);
}
.user-chip .dot { width: 7px; height: 7px; background: var(--c-grad-c); }

.btn {
  font-family: var(--font-micro); text-transform: uppercase; letter-spacing: 0.08em;
  font-size: 0.72rem; padding: 0.55rem 1.1rem; border: 1px solid var(--c-line);
  background: var(--c-bg); color: var(--c-ink); cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.btn:hover { background: var(--c-primary); color: var(--c-white); }
.btn-solid { background: var(--c-primary); color: var(--c-white); border-color: var(--c-primary); }
.btn-solid:hover { background: var(--c-grad-a); transform: translateY(-1px); }
.btn-danger:hover { background: #b3261e; border-color: #b3261e; color: #fff; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  border-bottom: 2px solid var(--c-line);
  padding: clamp(2.5rem, 7vw, 6rem) clamp(1rem, 4vw, 3rem) 0;
  overflow: hidden;
}
.hero-eyebrow { display: flex; gap: 1.5rem; align-items: baseline; margin-bottom: 1.5rem; flex-wrap: wrap; }
.hero-eyebrow .tag { color: var(--c-primary); }
.hero h1 {
  font-family: var(--font-macro); font-weight: 800;
  font-size: clamp(2.6rem, 8vw, 6.5rem); line-height: 0.9;
  letter-spacing: -0.03em; color: var(--c-primary); text-transform: none;
}
.hero .sub-en {
  font-family: var(--font-micro); text-transform: uppercase; letter-spacing: 0.18em;
  font-size: clamp(0.8rem, 1.6vw, 1.1rem); margin-top: 1rem; color: var(--c-ink); opacity: 0.7;
}
.hero-media {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  aspect-ratio: 1920 / 1080; width: 100%;
  border: 2px solid var(--c-line);
  position: relative; overflow: hidden;
}
.hero-index {
  position: absolute; right: clamp(1rem,4vw,3rem); top: clamp(1rem,4vw,3rem);
  font-family: var(--font-macro); font-weight: 800; font-size: clamp(3rem, 10vw, 9rem);
  color: var(--c-primary); opacity: 0.08; line-height: 1; pointer-events: none; user-select: none;
}

/* ---------- Section ---------- */
.section { padding: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 4vw, 3rem); }
.section-head {
  display: grid; grid-template-columns: auto 1fr auto; gap: 1rem;
  align-items: baseline; border-bottom: 2px solid var(--c-line);
  padding-bottom: 0.9rem; margin-bottom: 2rem;
}
.section-head h2 {
  font-family: var(--font-macro); font-weight: 800; font-size: clamp(1.3rem, 3vw, 2rem);
  letter-spacing: -0.02em; text-transform: uppercase; color: var(--c-ink);
}
.section-head .idx { font-family: var(--font-micro); color: var(--c-primary); font-size: 0.8rem; letter-spacing: 0.1em; }
.section-head .meta { font-family: var(--font-micro); font-size: 0.68rem; letter-spacing: 0.1em; opacity: 0.55; text-transform: uppercase; }

/* ---------- 业务功能卡片 ---------- */
.cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px; background: var(--c-line); border: 1px solid var(--c-line);
}
.card {
  background: var(--c-bg); padding: 1.8rem 1.6rem; min-height: 220px;
  display: flex; flex-direction: column; position: relative;
  transition: background 0.2s ease, transform 0.2s ease;
}
.card.enabled { cursor: pointer; }
.card.enabled:hover { background: var(--c-hero-b); transform: translateY(-2px); }
.card .card-idx {
  font-family: var(--font-macro); font-weight: 800; font-size: 2.6rem;
  color: var(--c-primary); line-height: 1; opacity: 0.85;
}
.card.disabled .card-idx { opacity: 0.2; }
.card h3 { font-family: var(--font-macro); font-weight: 800; font-size: 1.35rem; margin-top: 0.8rem; letter-spacing: -0.01em; }
.card .card-sub { font-family: var(--font-micro); font-size: 0.64rem; letter-spacing: 0.12em; opacity: 0.6; text-transform: uppercase; margin-top: 0.3rem; }
.card .card-desc { margin-top: auto; padding-top: 1.2rem; font-size: 0.85rem; opacity: 0.75; }
.card .card-go {
  margin-top: 1rem; font-family: var(--font-micro); font-size: 0.72rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--c-primary); display: flex; align-items: center; gap: 0.5rem;
}
.card.disabled { opacity: 0.55; }
.card.disabled .card-go { color: var(--c-ink); opacity: 0.5; }
.card .corner { position: absolute; top: 10px; right: 12px; font-family: var(--font-micro); font-size: 0.6rem; opacity: 0.4; }

/* ---------- 欢迎页（未登录） ---------- */
.welcome-cta { margin-top: 2.5rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.welcome-note {
  margin-top: 2rem; font-family: var(--font-micro); font-size: 0.72rem; letter-spacing: 0.05em;
  opacity: 0.6; border-left: 3px solid var(--c-primary); padding-left: 1rem;
}

/* ---------- Auth 表单 ---------- */
.auth-wrap { max-width: 440px; margin: clamp(2rem,6vw,5rem) auto; padding: 0 1.2rem; }
.auth-card { border: 2px solid var(--c-line); background: var(--c-white); }
.auth-head { background: linear-gradient(135deg, var(--c-grad-a), var(--c-grad-c)); color: var(--c-white); padding: 1.6rem; }
.auth-head h2 { font-family: var(--font-macro); font-weight: 800; font-size: 1.5rem; }
.auth-head p { font-family: var(--font-micro); font-size: 0.66rem; letter-spacing: 0.12em; opacity: 0.85; margin-top: 0.4rem; text-transform: uppercase; }
.auth-body { padding: 1.8rem 1.6rem; }
.field { margin-bottom: 1.2rem; }
.field label { display: block; font-family: var(--font-micro); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.7; margin-bottom: 0.4rem; }
.field input {
  width: 100%; padding: 0.75rem 0.9rem; border: 1px solid var(--c-line);
  background: var(--c-bg); font-family: var(--font-body); font-size: 0.95rem; color: var(--c-ink);
  -webkit-appearance: none; appearance: none; border-radius: 0;
}
@media (max-width: 768px) {
  .field input { font-size: 16px; }
}
.field input:focus { outline: 2px solid var(--c-grad-c); outline-offset: -1px; }
.auth-body .btn-solid { width: 100%; padding: 0.85rem; font-size: 0.8rem; }

/* ---------- Flash ---------- */
.flash { padding: 0.8rem 1rem; margin-bottom: 1.2rem; font-family: var(--font-micro); font-size: 0.75rem; letter-spacing: 0.04em; border: 1px solid; }
.flash.error { border-color: #b3261e; color: #b3261e; background: #fff0ef; }
.flash.ok { border-color: var(--c-primary); color: var(--c-primary); background: #eef7f2; }

/* ---------- Table (admin) ---------- */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; background: var(--c-white); }
.data-table th, .data-table td { border: 1px solid var(--c-line); padding: 0.6rem 0.7rem; text-align: left; }
.data-table th { font-family: var(--font-micro); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; background: var(--c-bg); }
.data-table td form { display: inline; }
.badge { font-family: var(--font-micro); font-size: 0.62rem; letter-spacing: 0.06em; padding: 0.15rem 0.45rem; border: 1px solid var(--c-primary); color: var(--c-primary); text-transform: uppercase; }
.badge.off { border-color: #b3261e; color: #b3261e; }
.inline-form select { font-family: var(--font-micro); font-size: 0.72rem; padding: 0.3rem; border: 1px solid var(--c-line); background: var(--c-bg); }
.create-panel { border: 2px solid var(--c-line); background: var(--c-white); padding: 1.4rem; margin-bottom: 2rem; }
.create-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 1rem; align-items: end; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 2px solid var(--c-line); margin-top: 3rem;
  padding: 1.4rem clamp(1rem,4vw,3rem);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-family: var(--font-micro); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.7;
}

/* ---------- 滚动淡入动画 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 640px) {
  .section-head { grid-template-columns: 1fr; }
  .site-header { height: auto; padding: 0.7rem 1rem; }
}