body {
  margin: 0;
  background: #f5f6f8;
  font-family: Arial, "Microsoft JhengHei", sans-serif;
  color: #151515;
}

.resource-page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 48px 24px 90px;
}

.resource-layout {
  display: grid;
  grid-template-columns: 256px minmax(0, 1fr);
  gap: 42px;
}

.resource-content {
  min-width: 0;
}

.side-menu {
  position: sticky;
  top: 24px;
  align-self: start;
  display: grid;
  gap: 10px;
  padding: 0;
  background: transparent;
}

.side-menu a {
  position: relative;
  display: grid;
  min-height: 66px;
  align-content: center;
  color: #1f252d;
  background: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.25;
  padding: 14px 18px 14px 58px;
  border: 1px solid #dfe4eb;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(20, 24, 30, 0.06);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.side-menu a::before {
  position: absolute;
  left: 16px;
  top: 50%;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%);
  border-radius: 7px;
  background: #eef1f5;
  color: #5e6875;
  font-size: 13px;
  font-weight: 900;
}

.side-menu a[data-page="download"]::before {
  content: "DL";
}

.side-menu a[data-page="cad-download"]::before {
  content: "CAD";
  font-size: 11px;
}

.side-menu a[data-page="programming"]::before {
  content: "NC";
}

.side-menu a[data-page="faq"]::before {
  content: "?";
}

.side-menu a[data-page="cutting-data"]::before {
  content: "CD";
}

.side-menu a[data-page="videos"]::before {
  content: "PV";
}

.side-menu a[data-page="support"]::before {
  content: "TS";
}

.side-menu a::after {
  content: "";
  position: absolute;
  left: -1px;
  top: 10px;
  bottom: 10px;
  width: 4px;
  border-radius: 0 999px 999px 0;
  background: transparent;
}

.side-menu a:hover {
  transform: translateX(3px);
  border-color: #f05a1a;
  box-shadow: 0 12px 28px rgba(20, 24, 30, 0.1);
}

.side-menu a.active {
  border-color: #f05a1a;
  background: linear-gradient(90deg, #fff6f1 0%, #fff 76%);
  color: #c83f0d;
}

.side-menu a.active::before {
  background: #f05a1a;
  color: #fff;
}

.side-menu a.active::after {
  background: #f05a1a;
}

.page-title {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 14px;
}

.title-line {
  height: 2px;
  background: #222;
  margin-bottom: 28px;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 28px;
  max-width: 720px;
}

.resource-card {
  color: #111;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.resource-card:hover {
  transform: translateY(-4px);
}

.resource-card.is-disabled {
  cursor: default;
}

.resource-card.is-disabled:hover {
  transform: none;
}

.resource-title {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 14px;
}

.resource-title::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 12px;
  background: #f05a1a;
}

.resource-preview {
  width: 190px;
  height: 270px;
  border: 1px solid #333;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.resource-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.resource-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  color: #666;
  font-size: 20px;
  font-weight: 800;
  text-align: center;
  background: #f7f7f7;
}

.cad-download-panel {
  max-width: 920px;
  overflow: hidden;
  background: #fff;
  border: 1px solid #d8dee8;
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.cad-download-intro {
  padding: 28px 32px;
  border-bottom: 1px solid #e3e8f0;
}

.cad-download-intro span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 12px;
  color: #d9430b;
  background: #fff4ef;
  border: 1px solid #ffcab5;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.cad-download-intro h2 {
  margin: 0 0 10px;
  font-size: 34px;
  font-weight: 900;
  line-height: 1.12;
}

.cad-download-intro p {
  max-width: 760px;
  margin: 0;
  color: #3f4650;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.65;
}

.cad-download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 26px 32px 32px;
}

.cad-download-card {
  display: grid;
  gap: 16px;
  min-width: 0;
  padding: 20px;
  background: #f7f8fa;
  border: 1px solid #dfe4eb;
  border-radius: 8px;
}

.cad-card-head span {
  display: block;
  margin-bottom: 6px;
  color: #f05a1a;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.cad-card-head p {
  margin: 0;
  color: #111;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.35;
}

.cad-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 46px;
  gap: 8px;
}

.cad-input-row input {
  width: 100%;
  min-width: 0;
  padding: 11px 12px;
  color: #111;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 7px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
}

.cad-input-row input:focus {
  outline: 2px solid rgba(31, 95, 242, 0.18);
  border-color: #1f5ff2;
}

.cad-search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: #f05a1a;
  border: 1px solid #f05a1a;
  border-radius: 7px;
  cursor: pointer;
}

.cad-result-list {
  display: grid;
  gap: 8px;
  max-height: 260px;
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
}

.cad-result-list button,
.cad-result-list .is-empty {
  width: 100%;
  padding: 10px 12px;
  color: #172033;
  background: #fff;
  border: 1px solid #d8dee8;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 800;
  text-align: left;
}

.cad-result-list button {
  cursor: pointer;
}

.cad-result-list button:hover {
  color: #c83f0d;
  border-color: #f05a1a;
  background: #fff6f1;
}

.cad-result-list .is-empty {
  color: #66707c;
}

.cad-status {
  min-height: 20px;
  color: #66707c;
  font-size: 13px;
  font-weight: 900;
}

.ace-cad-workspace {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 22px;
  padding: 26px 32px 32px;
}

.ace-cad-panel.is-compact .cad-download-intro {
  padding-bottom: 22px;
}

.ace-cad-quick-form {
  display: grid;
  grid-template-columns: 0.9fr 1fr 0.8fr 1.35fr 1.25fr auto;
  gap: 12px;
  align-items: end;
  padding: 24px 32px;
  background: #f7f8fa;
  border-bottom: 1px solid #e3e8f0;
}

.ace-cad-quick-form label {
  display: grid;
  gap: 8px;
  margin: 0;
}

.ace-cad-quick-form label span {
  color: #111;
  font-size: 14px;
  font-weight: 900;
}

.ace-cad-quick-form select {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 10px 12px;
  color: #111;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 7px;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
}

.ace-cad-quick-form select:focus {
  outline: 2px solid rgba(31, 95, 242, 0.18);
  border-color: #1f5ff2;
}

.ace-cad-output {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 22px;
  padding: 26px 32px 32px;
}

.ace-cad-model-panel,
.ace-cad-note-panel {
  min-width: 0;
  padding: 22px;
  border: 1px solid #dfe4eb;
  border-radius: 8px;
}

.ace-cad-model-panel {
  display: grid;
  gap: 16px;
  background: #fff6f1;
  border-color: #ffcab5;
}

.ace-cad-note-panel {
  display: grid;
  gap: 10px;
  align-content: start;
  background: #fff;
}

.ace-cad-note-panel h3 {
  margin: 0;
  color: #111;
  font-size: 22px;
  font-weight: 900;
}

.ace-cad-note-panel p {
  margin: 0;
  color: #3f4650;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.55;
}

.ace-cad-form,
.ace-cad-result {
  min-width: 0;
  padding: 22px;
  background: #f7f8fa;
  border: 1px solid #dfe4eb;
  border-radius: 8px;
}

.ace-cad-form {
  display: grid;
  gap: 16px;
}

.ace-cad-form label {
  display: grid;
  gap: 8px;
  margin: 0;
}

.ace-cad-form label span {
  color: #111;
  font-size: 15px;
  font-weight: 900;
}

.ace-cad-form select {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 10px 12px;
  color: #111;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 7px;
  font: inherit;
  font-size: 15px;
  font-weight: 800;
}

.ace-cad-form select:focus {
  outline: 2px solid rgba(31, 95, 242, 0.18);
  border-color: #1f5ff2;
}

.ace-cad-result {
  display: grid;
  gap: 18px;
  align-content: start;
  background: #fff;
}

.ace-cad-summary-head {
  padding-bottom: 16px;
  border-bottom: 1px solid #e3e8f0;
}

.ace-cad-summary-head span {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 5px 10px;
  color: #d9430b;
  background: #fff4ef;
  border: 1px solid #ffcab5;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.ace-cad-summary-head h3 {
  margin: 0 0 6px;
  color: #111;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.12;
  overflow-wrap: anywhere;
}

.ace-cad-summary-head p {
  margin: 0;
  color: #3f4650;
  font-size: 15px;
  font-weight: 800;
}

.ace-cad-spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.ace-cad-spec-grid div {
  min-width: 0;
  padding: 12px;
  background: #f7f8fa;
  border: 1px solid #dfe4eb;
  border-radius: 7px;
}

.ace-cad-spec-grid dt {
  margin: 0 0 5px;
  color: #66707c;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.ace-cad-spec-grid dd {
  margin: 0;
  color: #111;
  font-size: 15px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.ace-cad-download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  color: #fff;
  background: #1f5ff2;
  border: 1px solid #1f5ff2;
  border-radius: 7px;
  font-size: 16px;
  font-weight: 900;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.ace-cad-download-btn:hover {
  background: #174bd0;
  border-color: #174bd0;
}

.ace-cad-status {
  min-height: 20px;
  color: #66707c;
  font-size: 14px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.program-box {
  border: 1px solid #d4d7dc;
  background: #fff;
  padding: 32px;
  max-width: 760px;
  border-radius: 8px;
}

.program-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 14px;
}

.program-desc {
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.program-btn {
  display: inline-block;
  padding: 12px 20px;
  border: 2px solid #333;
  color: #111;
  text-decoration: none;
  font-size: 18px;
  font-weight: 800;
  border-radius: 6px;
}

.program-btn:hover {
  color: #f05a1a;
  border-color: #f05a1a;
}

.program-btn.is-disabled {
  color: #666;
  border-color: #aaa;
  cursor: default;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 18px;
  max-width: 900px;
}

.video-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  min-height: 150px;
  overflow: hidden;
  color: #111;
  background: #fff;
  border: 1px solid #d4d7dc;
  border-radius: 8px;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(20, 24, 30, 0.06);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.video-card:hover {
  color: #111;
  border-color: #f05a1a;
  box-shadow: 0 12px 28px rgba(20, 24, 30, 0.1);
  transform: translateY(-3px);
}

.video-card.is-disabled {
  cursor: default;
}

.video-card.is-disabled:hover {
  border-color: #d4d7dc;
  box-shadow: 0 8px 20px rgba(20, 24, 30, 0.06);
  transform: none;
}

.video-thumb {
  display: grid;
  place-items: center;
  color: #fff;
  background: #24272c;
  font-size: 30px;
}

.video-thumb i {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-left: 4px;
  background: #f05a1a;
  border-radius: 50%;
}

.video-copy {
  min-width: 0;
  padding: 20px;
}

.video-copy h2 {
  margin: 0 0 10px;
  color: #111;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.18;
}

.video-copy p {
  margin: 0 0 16px;
  color: #555;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
}

.video-copy span {
  color: #f05a1a;
  font-size: 15px;
  font-weight: 900;
}

.faq-heading p {
  max-width: 760px;
  margin: -4px 0 0;
  color: #555;
  font-size: 17px;
  line-height: 1.6;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(240px, 1fr));
  gap: 16px;
  max-width: 900px;
}

.faq-card {
  display: grid;
  grid-template-columns: 56px 1fr;
  grid-template-areas:
    "number topic"
    "number question";
  column-gap: 16px;
  min-height: 136px;
  border: 1px solid #d4d7dc;
  background: #fff;
  color: #111;
  text-align: left;
  cursor: pointer;
  border-radius: 8px;
  padding: 20px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-card:hover {
  transform: translateY(-3px);
  border-color: #f05a1a;
  box-shadow: 0 12px 26px rgba(20, 24, 30, 0.08);
}

.faq-number {
  grid-area: number;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #24272c;
  color: #fff;
  font-weight: 800;
}

.faq-topic {
  grid-area: topic;
  color: #f05a1a;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 8px;
}

.faq-question {
  grid-area: question;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.faq-back {
  border: 0;
  background: transparent;
  color: #f05a1a;
  font-weight: 800;
  padding: 0;
  margin-bottom: 18px;
  cursor: pointer;
}

.faq-detail {
  max-width: 900px;
  border: 1px solid #d4d7dc;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
}

.faq-detail-header {
  padding: 26px 32px;
  background: #24272c;
  color: #fff;
}

.faq-detail-kicker {
  display: block;
  color: #ffb08d;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.faq-detail-header h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.25;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.faq-detail-body {
  padding: 30px 34px 34px;
}

.faq-answer {
  color: #24272c;
  font-size: 18px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.faq-answer p {
  margin: 0 0 16px;
}

.faq-answer ul {
  margin: 0 0 18px;
  padding-left: 22px;
}

.faq-answer li {
  margin-bottom: 8px;
}

.contact-box {
  border-left: 4px solid #f05a1a;
  background: #f7f7f7;
  padding: 16px 18px;
  font-size: 17px;
  font-weight: 800;
  max-width: 560px;
  margin-top: 28px;
}

.contact-box span {
  display: block;
  color: #555;
  font-size: 16px;
  font-weight: 700;
  margin-top: 4px;
}

.support-shell {
  max-width: 895px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(240, 90, 26, 0.14), rgba(18, 99, 241, 0.08));
  border: 1px solid #e1e5eb;
  border-radius: 14px;
  box-shadow: 0 16px 36px rgba(20, 24, 30, 0.08);
}

.support-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid #d8dde5;
  border-radius: 10px;
}

.support-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  padding: 30px 32px 24px;
  border-bottom: 1px solid #e7ebf0;
}

.support-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin-bottom: 12px;
  padding: 5px 10px;
  color: #c94611;
  background: #fff2eb;
  border: 1px solid #ffd4c0;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.support-head h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.12;
}

.support-head p {
  max-width: 650px;
  margin: 0;
  color: #4d5560;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.65;
}

.support-meta {
  display: grid;
  align-content: start;
  gap: 10px;
  min-width: 210px;
  padding-top: 4px;
}

.support-meta div {
  padding: 12px 14px;
  background: #f8fafc;
  border: 1px solid #e1e5eb;
  border-radius: 8px;
}

.support-meta span {
  display: block;
  margin-bottom: 5px;
  color: #6b7280;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.support-meta strong {
  display: block;
  font-size: 14px;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.support-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px 32px 0;
}

.support-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  color: #1f2937;
  background: #f4f6f8;
  border: 1px solid #dfe4eb;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
}

.support-tags span::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-right: 8px;
  background: #f05a1a;
  border-radius: 50%;
}

.support-form {
  display: grid;
  gap: 18px;
  padding: 24px 32px 30px;
}

.support-form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.support-form label {
  display: grid;
  gap: 8px;
  color: #111827;
  font-size: 15px;
  font-weight: 900;
}

.support-form input,
.support-form textarea {
  width: 100%;
  border: 1px solid #cfd6df;
  border-radius: 7px;
  padding: 11px 12px;
  color: #111;
  background: #fff;
  font: inherit;
  font-weight: 700;
}

.support-form input {
  min-height: 44px;
}

.support-form textarea {
  min-height: 150px;
  resize: vertical;
}

.support-form input:focus,
.support-form textarea:focus {
  border-color: #1263f1;
  outline: 3px solid rgba(18, 99, 241, 0.14);
}

.support-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.support-send-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  color: #fff;
  background: #1263f1;
  border: 1px solid #1263f1;
  border-radius: 7px;
  font-size: 16px;
  font-weight: 900;
  cursor: pointer;
}

.support-send-btn:hover {
  background: #0b50c8;
}

.support-send-note {
  max-width: 520px;
  color: #66707c;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.5;
}

.faq-nav {
  max-width: 900px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 18px;
}

.faq-nav button {
  flex: 1;
  border: 1px solid #d4d7dc;
  background: #fff;
  color: #111;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  border-radius: 8px;
  padding: 12px 14px;
}

.faq-nav button:hover {
  color: #f05a1a;
  border-color: #f05a1a;
}

.faq-nav button:disabled {
  opacity: 0.35;
  cursor: default;
}

.cutting-calculator {
  display: grid;
  grid-template-columns: minmax(280px, 420px) minmax(320px, 1fr);
  gap: 24px;
  max-width: 980px;
  align-items: start;
}

.cutting-form,
.cutting-results {
  border: 1px solid #d4d7dc;
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 10px 24px rgba(20, 24, 30, 0.06);
}

.cutting-form {
  display: grid;
  gap: 16px;
}

.cutting-form label,
.cutting-output-grid label {
  display: grid;
  gap: 7px;
  margin: 0;
  color: #1f252d;
  font-size: 14px;
  font-weight: 800;
}

.cutting-form select,
.cutting-form input,
.cutting-output-grid input {
  width: 100%;
  min-height: 44px;
  border: 1px solid #cfd5dd;
  border-radius: 6px;
  padding: 9px 11px;
  color: #111;
  background: #fff;
  font: inherit;
  font-weight: 700;
}

.cutting-form select:focus,
.cutting-form input:focus {
  border-color: #f05a1a;
  outline: 3px solid rgba(240, 90, 26, 0.14);
}

.cutting-results {
  display: grid;
  gap: 22px;
}

.cutting-results h2 {
  margin: 0 0 14px;
  color: #111;
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
}

.cutting-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.cutting-summary-item {
  min-width: 0;
  border-left: 4px solid #f05a1a;
  background: #f7f7f7;
  padding: 13px 14px;
}

.cutting-summary-item span,
.cutting-output-grid span {
  display: block;
  color: #66707c;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.25;
}

.cutting-summary-item strong {
  display: block;
  margin-top: 5px;
  color: #111;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.cutting-output-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.cutting-output-grid input {
  background: #eaf7ef;
  border-color: #bdddc8;
  color: #143d22;
  font-size: 26px;
  font-weight: 900;
}

.cutting-output-grid em {
  color: #555;
  font-size: 14px;
  font-style: normal;
  font-weight: 800;
}

.cutting-formula {
  display: grid;
  gap: 8px;
  border-top: 1px solid #d4d7dc;
  padding-top: 18px;
  color: #555;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.45;
}

@media (max-width: 768px) {
  .resource-page {
    padding: 28px 16px 64px;
    overflow-x: hidden;
  }

  .resource-layout {
    grid-template-columns: 1fr;
    gap: 28px;
    min-width: 0;
  }

  .side-menu {
    position: static;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    width: 100%;
  }

  .side-menu a {
    min-width: 0;
    min-height: 76px;
    padding: 38px 8px 10px;
    text-align: center;
    font-size: 11px;
    line-height: 1.25;
    overflow-wrap: anywhere;
    box-shadow: none;
  }

  .side-menu a::before {
    left: 50%;
    top: 10px;
    width: 24px;
    height: 24px;
    transform: translateX(-50%);
    border-radius: 6px;
    font-size: 11px;
  }

  .side-menu a::after {
    left: 10px;
    right: 10px;
    top: auto;
    bottom: -1px;
    width: auto;
    height: 3px;
    border-radius: 999px 999px 0 0;
  }

  .side-menu a:hover {
    transform: none;
  }

  .resource-grid,
  .cad-download-grid,
  .faq-grid,
  .support-form-row {
    grid-template-columns: 1fr;
  }

  .cad-download-intro,
  .cad-download-grid {
    padding-left: 20px;
    padding-right: 20px;
  }

  .cad-download-intro h2 {
    font-size: 28px;
  }

  .ace-cad-workspace,
  .ace-cad-quick-form,
  .ace-cad-output,
  .ace-cad-spec-grid {
    grid-template-columns: 1fr;
  }

  .ace-cad-workspace,
  .ace-cad-quick-form,
  .ace-cad-output {
    padding-left: 20px;
    padding-right: 20px;
  }

  .ace-cad-download-btn {
    width: 100%;
  }

  .support-shell {
    padding: 8px;
  }

  .support-head {
    grid-template-columns: 1fr;
    padding: 24px 20px 20px;
  }

  .support-meta {
    min-width: 0;
  }

  .support-tags,
  .support-form {
    padding-left: 20px;
    padding-right: 20px;
  }

  .support-send-btn {
    width: 100%;
  }

  .page-title {
    font-size: 28px;
  }

  .faq-card {
    grid-template-columns: 46px 1fr;
    min-height: 124px;
    padding: 18px;
  }

  .faq-number {
    width: 42px;
    height: 42px;
  }

  .faq-question {
    font-size: 18px;
  }

  .faq-detail-header,
  .faq-detail-body {
    padding: 22px;
  }

  .faq-detail-header h1 {
    font-size: 24px;
  }

  .faq-nav {
    flex-direction: column;
  }

  .cutting-calculator {
    grid-template-columns: 1fr;
  }

  .cutting-form,
  .cutting-results {
    padding: 18px;
  }

  .cutting-summary,
  .cutting-output-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 460px) {
  .side-menu {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .side-menu a {
    min-height: 70px;
  }

  .video-grid,
  .video-card {
    grid-template-columns: 1fr;
  }

  .video-thumb {
    min-height: 132px;
  }

  .cutting-output-grid input {
    font-size: 22px;
  }
}