/* ══════════════════════════════════════════════════════════════
   荣禾 ERP · 官网首页
   设计方向：瓦楞纸板 + 车间生产流转单
   纸张 / 墨黑 / 信号橙，硬边框、技术标注、密集信息
   ══════════════════════════════════════════════════════════════ */

:root {
  --paper: #F2EAD8;
  --paper-2: #E7DAC2;
  --paper-3: #FAF5E9;
  --board: #DCC7A5;
  --board-2: #C9AD83;

  --ink: #191611;
  --ink-2: #3B352B;
  --ink-3: #6B6252;
  --ink-4: #716858;
  --muted-dark: #948A77;

  --orange: #D6471D;
  --orange-2: #B83A16;
  --orange-text: #B83A16;
  --orange-light: #E86A3E;
  --green: #2F6B4F;
  --blue: #1E4E68;

  --line: #191611;
  --wrap: 1240px;

  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --mono: "SFMono-Regular", "JetBrains Mono", "Roboto Mono", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--orange); color: var(--paper-3); }

a { color: inherit; }

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

img, svg { display: block; }

.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 200;
  background: var(--ink);
  color: var(--paper-3);
  padding: 10px 16px;
  font-size: 14px;
}
.skip-link:focus { top: 12px; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
}

.mono { font-family: var(--mono); }
.nb { white-space: nowrap; }

/* ── 顶部导航 ─────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(242, 234, 216, .94);
  border-top: 4px solid var(--orange);
  border-bottom: 1.5px solid var(--ink);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 4px 0 rgba(25, 22, 17, .08); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--ink);
  background: var(--paper-3);
  color: var(--orange);
  display: grid;
  place-items: center;
}
.brand-mark svg { width: 22px; height: 22px; }

.brand-text {
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.brand-erp {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--orange);
  border: 1px solid var(--orange);
  padding: 1px 5px;
  transform: translateY(-2px);
}
.brand-sub {
  font-size: 11px;
  font-family: var(--mono);
  letter-spacing: .12em;
  color: var(--ink-3);
  border-left: 1px solid var(--ink-4);
  padding-left: 12px;
  margin-left: 2px;
  white-space: nowrap;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 30px;
}
.site-nav a {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--orange-text); border-bottom-color: var(--orange); }

/* ── 按钮 ─────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 22px;
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, color .15s ease;
}
.btn svg { width: 18px; height: 18px; flex: none; }

.btn-primary { background: var(--ink); color: var(--paper-3); }
.btn-primary svg { color: var(--orange); }
.btn-primary:hover {
  background: var(--orange-2);
  border-color: var(--orange-2);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}

.btn-ghost { background: var(--paper-3); }
.btn-ghost:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 rgba(25, 22, 17, .25);
}

.btn-sm { padding: 9px 13px; font-size: 13px; gap: 7px; }
.btn-sm svg { width: 15px; height: 15px; }

.header-cta { flex: none; }

/* ── HERO ─────────────────────────────────────────────────── */

.hero {
  position: relative;
  padding: 76px 0 72px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(25, 22, 17, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(25, 22, 17, .045) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(120% 90% at 70% 40%, #000 0%, transparent 78%);
          mask-image: radial-gradient(120% 90% at 70% 40%, #000 0%, transparent 78%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--orange-text);
  margin-bottom: 26px;
  text-transform: uppercase;
}
.eyebrow-mark {
  width: 26px;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--orange) 0 2px, transparent 2px 5px);
}

h1 {
  color: var(--ink);
  font-size: clamp(2.6rem, 5.2vw, 4.8rem);
  font-weight: 900;
  line-height: .98;
  letter-spacing: -.045em;
  margin: 0;
}
.h1-industry { white-space: nowrap; }
.h1-product {
  white-space: nowrap;
  color: var(--orange);
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: -.06em;
  margin-left: .1em;
}
.h1-dot {
  display: inline-block;
  width: .13em;
  height: .13em;
  margin-left: .06em;
  background: var(--orange);
  vertical-align: .08em;
}
.h1-line {
  display: block;
  margin-top: 26px;
  font-size: clamp(1.45rem, 2.55vw, 2.35rem);
  font-weight: 750;
  line-height: 1.28;
  letter-spacing: -.02em;
  color: var(--ink-2);
}

.lead {
  margin-top: 24px;
  max-width: 580px;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.arrow-down { font-family: var(--mono); font-size: 16px; }

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid rgba(25, 22, 17, .28);
  list-style: none;
  font-size: 13px;
  color: var(--ink-3);
}
.hero-facts li { display: flex; align-items: center; gap: 8px; }
.hero-facts .mono {
  font-size: 10px;
  color: var(--orange-text);
  border: 1px solid var(--orange-text);
  padding: 0 4px;
  line-height: 16px;
}

/* ── Hero 右侧 / 生产流转单 ───────────────────────────────── */

.hero-visual {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.blueprint-grid {
  position: absolute;
  inset: -30px -40px -30px -30px;
  background-image:
    linear-gradient(rgba(30, 78, 104, .10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 78, 104, .10) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(100deg, transparent 0%, #000 34%, #000 100%);
          mask-image: linear-gradient(100deg, transparent 0%, #000 34%, #000 100%);
  pointer-events: none;
}

.dieline {
  position: absolute;
  top: -6px;
  right: -86px;
  width: 620px;
  height: 620px;
  color: rgba(30, 78, 104, .34);
  pointer-events: none;
}

.sheet-back {
  position: absolute;
  right: 20px;
  top: 50%;
  width: min(92%, 548px);
  height: 560px;
  transform: translateY(-50%) rotate(1.4deg);
  background:
    repeating-linear-gradient(90deg, rgba(25, 22, 17, .07) 0 1px, transparent 1px 12px),
    var(--board);
  border: 1.5px solid var(--ink);
  z-index: 1;
}

.work-order {
  position: relative;
  z-index: 2;
  width: min(100%, 552px);
  margin-right: 34px;
  background: var(--paper-3);
  border: 2px solid var(--ink);
  box-shadow: 10px 10px 0 rgba(25, 22, 17, .15);
  padding: 24px 24px 18px;
}

.wo-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}
.wo-kicker {
  display: block;
  font-size: 9.5px;
  letter-spacing: .14em;
  color: var(--ink-3);
  margin-bottom: 3px;
}
.wo-top strong { font-size: 15px; letter-spacing: .02em; }

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  font-size: 11px;
  font-weight: 700;
  color: var(--green);
  border: 1px solid var(--green);
  background: rgba(47, 107, 79, .08);
  padding: 3px 8px;
}
.status i {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
  animation: blink 1.8s steps(2, end) infinite;
}
@keyframes blink { 50% { opacity: .25; } }

.wo-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(25, 22, 17, .32);
}
.wo-meta strong { display: block; font-size: 15px; color: var(--ink); margin-top: 2px; }

.wo-label {
  display: block;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .12em;
  color: var(--ink-4);
  text-transform: uppercase;
}

.wo-product {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 10px;
}
.wo-product-name strong { display: block; font-size: 20px; font-weight: 800; color: var(--ink); margin-top: 2px; }
.board-section { width: 132px; height: 38px; color: var(--orange); flex: none; }

.wo-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--ink);
  margin-bottom: 14px;
}
.wo-specs > div {
  padding: 7px 9px;
  border-right: 1px solid rgba(25, 22, 17, .22);
  border-bottom: 1px solid rgba(25, 22, 17, .22);
  min-width: 0;
}
.wo-specs > div:nth-child(3n) { border-right: 0; }
.wo-specs > div:nth-child(n+4) { border-bottom: 0; }
.wo-specs strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wo-route { margin-bottom: 14px; }
.wo-route ol {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
  list-style: none;
  margin-top: 7px;
}
.wo-route li {
  border-top: 2px solid rgba(25, 22, 17, .25);
  padding-top: 5px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  white-space: nowrap;
}
.wo-route li .mono { display: block; font-size: 8.5px; color: var(--ink-4); }
.wo-route li.done { border-top-color: var(--green); color: var(--ink); }
.wo-route li.active { border-top-color: var(--orange); color: var(--orange-text); }
.wo-route li.active .mono { color: var(--orange-text); }

.wo-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding-top: 12px;
  border-top: 1px dashed rgba(25, 22, 17, .32);
}
.wo-foot strong {
  display: block;
  margin-top: 2px;
  font-size: 14px;
  color: var(--ink);
}
.wo-foot > div:last-child strong { color: var(--orange-text); }

.wo-note {
  margin-top: 12px;
  font-size: 9px;
  letter-spacing: .08em;
  color: var(--ink-4);
  text-align: right;
}

.stamp {
  position: absolute;
  z-index: 3;
  left: 6px;
  bottom: 36px;
  transform: rotate(-7deg);
  border: 2px solid var(--orange-text);
  color: var(--orange-text);
  padding: 7px 12px;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: .12em;
  text-align: center;
  background: rgba(242, 234, 216, .55);
}
.stamp small { font-size: 8px; letter-spacing: .2em; }

.barcode {
  position: absolute;
  right: 40px;
  bottom: 24px;
  z-index: 3;
  width: 150px;
  height: 26px;
  background: repeating-linear-gradient(90deg,
    var(--ink) 0 2px, transparent 2px 4px,
    var(--ink) 4px 5px, transparent 5px 8px,
    var(--ink) 8px 11px, transparent 11px 13px,
    var(--ink) 13px 14px, transparent 14px 18px);
  opacity: .55;
}

/* ── 规格条 ───────────────────────────────────────────────── */

.ticker {
  background: var(--ink);
  color: var(--paper-2);
  border-top: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
  overflow: hidden;
}
.ticker-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 13px 32px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11.5px;
  letter-spacing: .1em;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.ticker-inner::-webkit-scrollbar { display: none; }
.ticker-inner i { color: var(--orange); font-style: normal; flex: none; }
.ticker-inner span { flex: none; }

/* ── 通用 section ─────────────────────────────────────────── */

.section {
  padding: 92px 0 96px;
  border-top: 1.5px solid var(--ink);
}
.section:first-of-type { border-top: 0; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 52px;
}
.section-title-wrap {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  min-width: 0;
}
.section-num {
  font-family: var(--mono);
  font-size: clamp(2.8rem, 4.6vw, 4.8rem);
  font-weight: 700;
  line-height: .82;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(25, 22, 17, .45);
  flex: none;
}
.section-kicker {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--orange-text);
  margin-bottom: 10px;
}
.section-head h2 {
  color: var(--ink);
  font-size: clamp(1.9rem, 3.2vw, 3rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.035em;
}
.section-note {
  max-width: 360px;
  flex: none;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-3);
  text-align: right;
  padding-bottom: 4px;
}

/* ── 01 / 六笔账 ──────────────────────────────────────────── */

.accounts { background: var(--paper); }

.account-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.account-card {
  display: flex;
  flex-direction: column;
  min-height: 236px;
  padding: 22px;
  background: var(--paper-3);
  border: 1.5px solid var(--ink);
  transition: transform .16s ease, box-shadow .16s ease;
}
.account-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--ink);
}
.account-card header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}
.account-index {
  font-size: 11px;
  color: var(--orange-text);
  border: 1px solid var(--orange-text);
  padding: 1px 5px;
  line-height: 16px;
  flex: none;
}
.account-card h3 {
  font-size: 22px;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -.02em;
  line-height: 1.2;
}
.account-icon {
  width: 56px;
  height: 42px;
  margin-left: auto;
  color: var(--ink-3);
  flex: none;
}
.account-card p { font-size: 14px; line-height: 1.7; color: var(--ink-2); }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin-top: auto;
  padding-top: 16px;
}
.tags li {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .04em;
  color: var(--ink-3);
  border: 1px solid rgba(25, 22, 17, .34);
  padding: 2px 6px;
  background: var(--paper);
}

/* ── 02 / 生产流程 ────────────────────────────────────────── */

.route {
  background-color: var(--board);
  background-image: repeating-linear-gradient(90deg, rgba(25, 22, 17, .055) 0 1px, transparent 1px 14px);
}

.route-line {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  list-style: none;
  border-top: 2px solid var(--ink);
}
.route-line li {
  position: relative;
  padding: 30px 14px 4px 0;
  border-right: 1px dashed rgba(25, 22, 17, .32);
  min-width: 0;
}
.route-line li:last-child { border-right: 0; padding-right: 0; }
.route-node {
  position: absolute;
  top: -15px;
  left: 0;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  background: var(--board);
  border: 1.5px solid var(--ink);
  font-size: 10px;
  font-weight: 700;
  color: var(--ink);
}
.route-line h3 {
  font-size: 17px;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -.02em;
  margin-bottom: 8px;
  line-height: 1.2;
}
.route-line p { font-size: 12px; line-height: 1.65; color: var(--ink-2); }

.route-note {
  margin-top: 38px;
  padding-top: 16px;
  border-top: 1px dashed rgba(25, 22, 17, .4);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--ink-2);
}

/* ── 03 / 对比 ────────────────────────────────────────────── */

.compare {
  background: var(--ink);
  color: var(--paper-2);
}
.section-head--dark .section-head h2,
.section-head--dark h2 { color: var(--paper); }
.section-head--dark .section-num { -webkit-text-stroke-color: rgba(242, 234, 216, .5); }
.section-head--dark .section-note { color: var(--muted-dark); }

.compare-table { border: 1.5px solid rgba(242, 234, 216, .5); }

.compare-head {
  display: grid;
  grid-template-columns: 180px 1fr 1.25fr;
  background: rgba(242, 234, 216, .08);
  border-bottom: 1.5px solid rgba(242, 234, 216, .5);
}
.compare-head span {
  padding: 13px 16px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--muted-dark);
}
.compare-head .is-rh {
  background: var(--orange-2);
  color: var(--paper-3);
  font-weight: 700;
}

.compare-row {
  display: grid;
  grid-template-columns: 180px 1fr 1.25fr;
  border-bottom: 1px solid rgba(242, 234, 216, .18);
}
.compare-row:last-child { border-bottom: 0; }
.compare-row > span { padding: 15px 16px; font-size: 13.5px; line-height: 1.6; }
.cr-label {
  font-family: var(--mono);
  font-size: 11px !important;
  letter-spacing: .08em;
  color: var(--muted-dark);
  border-right: 1px solid rgba(242, 234, 216, .18);
}
.cr-generic { color: rgba(242, 234, 216, .5); }
.cr-rh {
  color: var(--paper-3);
  font-weight: 600;
  background: rgba(214, 71, 29, .09);
  border-left: 1px solid rgba(242, 234, 216, .18);
}

.compare-note {
  margin-top: 22px;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted-dark);
  text-align: right;
}

/* ── 04 / 行业 ────────────────────────────────────────────── */

.industries { background: var(--paper); }

.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.industry-card {
  padding: 26px;
  background: var(--paper-3);
  border: 1.5px solid var(--ink);
}
.industry-tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--orange-text);
  border: 1px solid var(--orange-text);
  padding: 1px 6px;
}
.industry-card h3 {
  margin: 14px 0 8px;
  font-size: 28px;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -.03em;
}
.industry-products {
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--ink-3);
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(25, 22, 17, .3);
}
.industry-card dl { margin-top: 14px; }
.industry-card dl > div { margin-top: 12px; }
.industry-card dt {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: .12em;
  color: var(--orange-text);
  margin-bottom: 3px;
}
.industry-card dd { font-size: 13.5px; line-height: 1.65; color: var(--ink-2); }

.principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1.5px solid var(--ink);
}
.principle .mono {
  font-size: 10px;
  color: var(--orange-text);
  letter-spacing: .1em;
}
.principle strong {
  display: block;
  margin: 4px 0 3px;
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
}
.principle p { font-size: 12.5px; color: var(--ink-3); line-height: 1.6; }

/* ── 05 / 车间 ────────────────────────────────────────────── */

.floor { background: var(--paper-3); }

.floor-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 18px;
}

.floor-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  box-shadow: 6px 6px 0 rgba(25, 22, 17, .12);
}

.floor-media {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
}
.floor-item:nth-child(-n+2) .floor-media { height: 380px; }
.floor-item:nth-child(n+3) .floor-media { height: 340px; }

.floor-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(.3) sepia(.08) saturate(.82) contrast(1.04);
  transition: filter .5s ease, transform .7s cubic-bezier(.16, 1, .3, 1);
}
.floor-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 62%, rgba(25, 22, 17, .2) 100%);
  pointer-events: none;
}

.floor-cap {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 12px 14px 14px;
  border-top: 1.5px solid var(--ink);
}
.floor-idx {
  flex: none;
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper-3);
  font-size: 9.5px;
  letter-spacing: .04em;
}
.floor-cap strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -.01em;
}
.floor-cap em {
  display: block;
  margin-top: 2px;
  font-style: normal;
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--ink-3);
}

@media (hover: hover) and (pointer: fine) {
  .floor-item:hover .floor-media img {
    filter: grayscale(0) sepia(0) saturate(1) contrast(1);
    transform: scale(1.025);
  }
}

/* ── 06 / 试用 ────────────────────────────────────────────── */

.trial {
  background-color: var(--paper-2);
  background-image:
    repeating-linear-gradient(90deg, rgba(25, 22, 17, .05) 0 1px, transparent 1px 14px);
}
.trial-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 430px);
  gap: 64px;
  align-items: center;
}
.trial-copy h2 {
  margin-top: 6px;
  font-size: clamp(2.2rem, 3.8vw, 3.6rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.04em;
  color: var(--ink);
}
.trial-lead {
  margin-top: 22px;
  max-width: 540px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-2);
}
.trial-small {
  margin-top: 22px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink-3);
}

.trial-ticket {
  background: var(--paper-3);
  border: 2px solid var(--ink);
  box-shadow: 10px 10px 0 rgba(25, 22, 17, .16);
  padding: 0 24px 24px;
}
.ticket-top {
  display: flex;
  justify-content: space-between;
  margin: 0 -24px;
  padding: 10px 24px;
  background: var(--ink);
  color: var(--paper-2);
  font-size: 10px;
  letter-spacing: .12em;
}
.ticket-days {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 0 14px;
  border-bottom: 1.5px dashed rgba(25, 22, 17, .35);
}
.ticket-days strong {
  font-family: var(--mono);
  font-size: 68px;
  font-weight: 700;
  line-height: .8;
  color: var(--orange);
  letter-spacing: -.06em;
}
.ticket-days span { font-size: 14px; font-weight: 700; line-height: 1.35; color: var(--ink); }

.ticket-list {
  list-style: none;
  margin: 16px 0 20px;
}
.ticket-list li {
  position: relative;
  padding: 5px 0 5px 22px;
  font-size: 13.5px;
  color: var(--ink-2);
  border-bottom: 1px solid rgba(25, 22, 17, .12);
}
.ticket-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 14px;
  width: 8px;
  height: 8px;
  background: var(--orange);
}

.copy-btn { width: 100%; }
.copy-btn.is-copied { background: var(--green); border-color: var(--green); }
.copy-btn.is-copied svg { color: var(--paper-3); }

.ticket-phone {
  display: block;
  margin-top: 14px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
  text-decoration: none;
  text-align: center;
}
.ticket-phone:hover { color: var(--orange-text); }

.ticket-note {
  margin-top: 7px;
  font-size: 11.5px;
  color: var(--ink-3);
  text-align: center;
  line-height: 1.5;
}
.ticket-note--quiet { color: var(--ink-4); margin-top: 12px; }

/* ── 页脚 ─────────────────────────────────────────────────── */

.site-footer {
  background: var(--ink);
  color: var(--paper-2);
  padding: 40px 0 26px;
  border-top: 1.5px solid var(--ink);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(242, 234, 216, .18);
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand .brand-mark { background: transparent; border-color: var(--paper-2); color: var(--orange-light); }
.footer-brand strong { display: block; font-size: 18px; color: var(--paper-3); letter-spacing: .02em; }
.footer-brand p { font-size: 12px; color: var(--muted-dark); margin-top: 2px; }

.footer-nav { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-nav a {
  font-size: 13px;
  color: var(--paper-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.footer-nav a:hover { color: var(--orange-light); border-bottom-color: var(--orange-light); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .05em;
  color: var(--muted-dark);
}
.footer-bottom a {
  color: var(--paper-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 234, 216, .3);
}
.footer-bottom a:hover { color: var(--orange-light); border-bottom-color: var(--orange-light); }

/* ── 纸纹 ─────────────────────────────────────────────────── */

.grain {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: .3;
  background-image: radial-gradient(rgba(25, 22, 17, .16) .45px, transparent .55px);
  background-size: 3px 3px;
  mix-blend-mode: multiply;
}

/* ── 滚动显现 ─────────────────────────────────────────────── */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s cubic-bezier(.2, .7, .2, 1), transform .6s cubic-bezier(.2, .7, .2, 1);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ── 响应式 ───────────────────────────────────────────────── */

@media (max-width: 1120px) {
  .wrap { padding: 0 24px; }
  .hero-grid { gap: 28px; }
  .hero-visual { min-height: 580px; }
  .work-order { margin-right: 14px; padding: 20px; }
  .dieline { right: -120px; opacity: .8; }
  .sheet-back { right: 4px; }
  .section-head { gap: 24px; }
  .section-note { max-width: 300px; }
}

@media (max-width: 980px) {
  .site-nav { display: none; }
  .header-cta { margin-left: auto; }

  .hero { padding: 56px 0 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 46px; }
  .hero-copy { max-width: 720px; }
  .hero-visual { min-height: 0; justify-content: center; padding: 10px 0 20px; }
  .work-order { margin: 0; width: min(100%, 600px); }
  .sheet-back { right: 50%; transform: translate(50%, -50%) rotate(1.4deg); width: min(94%, 590px); }
  .dieline { right: -40px; top: -20px; width: 540px; height: 540px; opacity: .55; }
  .stamp { left: 2%; bottom: 2px; }
  .barcode { right: 4%; bottom: 8px; }

  .section { padding: 68px 0 72px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 18px; margin-bottom: 38px; }
  .section-note { max-width: 560px; text-align: left; }

  .account-grid { grid-template-columns: repeat(2, 1fr); }

  .route-line { grid-template-columns: repeat(2, 1fr); border-top: 0; gap: 16px; }
  .route-line li {
    border: 1.5px solid var(--ink);
    background: rgba(250, 245, 233, .55);
    padding: 24px 16px 14px;
  }
  .route-line li:last-child { padding-right: 16px; grid-column: 1 / -1; }
  .route-node { top: -12px; left: 14px; }

  .industry-grid { grid-template-columns: 1fr; }
  .principles { grid-template-columns: repeat(2, 1fr); }

  .floor-item:nth-child(-n+2) .floor-media { height: 300px; }
  .floor-item:nth-child(n+3) .floor-media { height: 270px; }

  .trial-grid { grid-template-columns: 1fr; gap: 40px; }
  .trial-ticket { justify-self: start; width: min(100%, 440px); }
}

@media (max-width: 760px) {
  .brand-sub { display: none; }
  .header-inner { min-height: 62px; gap: 14px; }
  .brand-text { font-size: 19px; }
  .brand-mark { width: 32px; height: 32px; }
  .brand-mark svg { width: 19px; height: 19px; }

  .site-header { border-top-width: 3px; }

  .hero { padding-top: 44px; }
  .eyebrow { font-size: 9.5px; letter-spacing: .1em; margin-bottom: 18px; }
  h1 { font-size: clamp(2.45rem, 10.8vw, 4rem); }
  .h1-line { margin-top: 18px; font-size: clamp(1.3rem, 5.6vw, 1.8rem); }
  .lead { font-size: 15px; margin-top: 18px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .hero-facts { gap: 8px 16px; font-size: 12px; }

  .work-order { padding: 18px 16px 14px; box-shadow: 7px 7px 0 rgba(25, 22, 17, .15); }
  .wo-product-name strong { font-size: 18px; }
  .board-section { width: 100px; }
  .wo-specs { grid-template-columns: repeat(2, 1fr); }
  .wo-specs > div:nth-child(3n) { border-right: 1px solid rgba(25, 22, 17, .22); }
  .wo-specs > div:nth-child(2n) { border-right: 0; }
  .wo-specs > div:nth-child(n+4) { border-bottom: 1px solid rgba(25, 22, 17, .22); }
  .wo-specs > div:nth-child(n+5) { border-bottom: 0; }

  .wo-route ol { grid-template-columns: repeat(3, 1fr); gap: 8px 4px; }
  .wo-route li { font-size: 11.5px; }
  .stamp { left: 0; bottom: -14px; font-size: 12px; padding: 5px 8px; }
  .barcode { width: 100px; right: 2px; bottom: -8px; }

  .account-grid { grid-template-columns: 1fr; }
  .account-card { min-height: 0; }
  .account-card p { font-size: 13.5px; }

  .section-title-wrap { gap: 12px; }
  .section-num { font-size: 2.8rem; }

  .compare-head { display: none; }
  .compare-table { border: 0; }
  .compare-row {
    grid-template-columns: 1fr 1fr;
    border: 1.5px solid rgba(242, 234, 216, .35);
    margin-bottom: 12px;
  }
  .compare-row > span { padding: 10px 12px; }
  .cr-label {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 1px solid rgba(242, 234, 216, .2);
    color: var(--paper-2);
    font-size: 11px !important;
  }
  .cr-generic::before,
  .cr-rh::before {
    display: block;
    margin-bottom: 4px;
    font-family: var(--mono);
    font-size: 8.5px;
    letter-spacing: .1em;
    opacity: .75;
  }
  .cr-generic::before { content: "通用 ERP"; }
  .cr-rh::before { content: "荣禾纸箱 ERP"; color: var(--orange); opacity: 1; }
  .compare-note { text-align: left; }

  .principles { grid-template-columns: 1fr 1fr; gap: 18px; }

  .floor-grid { grid-template-columns: 1fr; }
  .floor-item:nth-child(-n+2) .floor-media,
  .floor-item:nth-child(n+3) .floor-media { height: auto; aspect-ratio: 3 / 2; }
  .floor-cap { padding: 10px 12px 12px; }

  .trial-ticket { padding: 0 18px 20px; }
  .ticket-top { margin: 0 -18px; padding: 9px 18px; }
  .ticket-days strong { font-size: 56px; }

  .footer-top { flex-direction: column; gap: 22px; }
  .footer-bottom { flex-direction: column; gap: 6px; }
}

@media (max-width: 520px) {
  .wrap { padding: 0 18px; }
  .ticker-inner { padding: 11px 18px; }

  h1 { font-size: clamp(2.2rem, 11vw, 3rem); }
  .h1-industry { white-space: normal; }

  .hero-facts { flex-direction: column; gap: 7px; }

  .wo-meta { gap: 12px; }
  .wo-top { gap: 8px; }
  .wo-top strong { font-size: 13px; }
  .status { font-size: 10px; padding: 2px 6px; }
  .wo-product { gap: 8px; }
  .board-section { width: 84px; height: 32px; }
  .wo-foot strong { font-size: 12.5px; }

  .principles { grid-template-columns: 1fr; gap: 14px; }

  .compare-row { grid-template-columns: 1fr; }
  .cr-generic { border-bottom: 1px solid rgba(242, 234, 216, .2); }
  .cr-rh { border-left: 0; }

  .ticket-days strong { font-size: 50px; }
  .ticket-list li { font-size: 13px; }

  .section-num { font-size: 2.3rem; }
  .section-head h2 { font-size: 1.66rem; }
}

@media (max-width: 360px) {
  .route-line { grid-template-columns: 1fr; }
}

/* ── 减少动态 ─────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* ── 06 / 常见问题 ─────────────────────────────────────────── */

.faq { background: var(--paper-3); }

.faq-list { border-top: 1.5px solid var(--ink); }

.faq-item {
  border-bottom: 1.5px solid var(--ink);
  background: var(--paper-3);
}

.faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-idx {
  flex: none;
  width: 24px;
  color: var(--orange-text);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.faq-q {
  flex: 1;
  color: var(--ink);
  font-size: clamp(15px, 1.3vw, 18px);
  font-weight: 700;
  line-height: 1.45;
}

.faq-plus {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 3px;
}

.faq-plus::before,
.faq-plus::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform .2s ease;
}

.faq-plus::before { left: 0; top: 7px; width: 16px; height: 2px; }
.faq-plus::after { left: 7px; top: 0; width: 2px; height: 16px; }

.faq-item[open] .faq-plus::after { transform: scaleY(0); }
.faq-item[open] .faq-q { color: var(--orange-text); }

.faq-a { padding: 0 40px 22px 44px; }

.faq-a p {
  max-width: 820px;
  color: var(--ink-3);
  font-size: 14.5px;
  line-height: 1.8;
}

@media (max-width: 700px) {
  .faq-item summary { gap: 10px; padding: 16px 2px; }
  .faq-idx { width: 18px; font-size: 10px; }
  .faq-a { padding: 0 8px 18px 28px; }
  .faq-a p { font-size: 13.5px; }
}

/* ── 06 / 深入阅读（SEO 内容页入口） ─────────────────────── */

.guides { background: var(--paper-3); }

.guide-card { text-decoration: none; }

.guide-card .guide-more {
  margin-top: auto;
  padding-top: 18px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--orange-text);
}
.guide-card .guide-more span { border-bottom: 1px solid var(--orange); }