/* ============================================================
   熊猫云挂机 — 内页样式
   适用于 price.html / scenarios.html / download.html
   ============================================================ */

/* ========== Page Hero（页面顶部） ========== */
.page-hero {
  position: relative;
  padding: 140px 0 60px;
  overflow: hidden;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 400px at 50% 0%, rgba(245, 158, 11, 0.12), transparent 60%),
    var(--bg);
  z-index: 0;
}
.page-hero-bg--cyan {
  background:
    radial-gradient(ellipse 800px 400px at 50% 0%, rgba(6, 182, 212, 0.12), transparent 60%),
    var(--bg);
}
.page-hero-bg--green {
  background:
    radial-gradient(ellipse 800px 400px at 50% 0%, rgba(34, 197, 94, 0.1), transparent 60%),
    var(--bg);
}

.page-hero .container { position: relative; z-index: 1; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--fg-3);
  margin-bottom: 24px;
}
.breadcrumb a {
  color: var(--fg-2);
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--gold-2); }
.breadcrumb span[aria-hidden] { color: var(--fg-3); }

.page-hero-content {
  max-width: 760px;
}
.page-hero-content h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 900;
  margin: 12px 0 14px;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.page-hero-content p {
  color: var(--fg-1);
  font-size: 1.1rem;
  margin: 0;
  line-height: 1.7;
}

/* ========== Navbar active ========== */
.nav-links a.is-active {
  color: var(--gold-2);
}
.nav-links a.is-active::after {
  transform: scaleX(1);
}

/* ========== 通用 reveal 兼容 ========== */
.page-hero .page-hero-content,
.breadcrumb {
  opacity: 1;
  transform: none;
}

/* ============================================================
   PRICE.HTML
   ============================================================ */

/* ----- 套餐对比表 ----- */
.compare { padding: 80px 0; background: var(--bg-1); }

.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  text-align: left;
  font-size: 0.95rem;
}
.compare-table th,
.compare-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.compare-table thead th {
  background: var(--bg-3);
  color: var(--fg);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 24px 20px;
  position: relative;
}
.th-plan {
  text-align: center;
  border-left: 1px solid var(--line);
}
.th-plan--featured {
  background: linear-gradient(160deg, rgba(245, 158, 11, 0.1), rgba(6, 182, 212, 0.04));
}
.th-plan-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
}
.th-plan-tag {
  font-size: 0.8rem;
  color: var(--fg-2);
  margin-top: 4px;
}
.th-ribbon {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--gold);
  color: #1a1100;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 3px 12px;
  border-radius: 0 var(--radius-lg) 0 var(--radius-sm);
}

.compare-table tbody tr:last-child td { border-bottom: 0; }
.td-label {
  font-weight: 600;
  color: var(--fg-1);
  background: var(--bg-3);
}
.td-featured {
  background: rgba(245, 158, 11, 0.04);
  color: var(--fg);
}
.td-price {
  text-align: center;
  font-family: var(--font-mono);
}
.td-price .cur { font-size: 1rem; color: var(--fg-2); }
.td-price .amt {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--gold-2);
  margin: 0 2px;
}
.td-price .per { color: var(--fg-2); font-size: 0.95rem; }
.td-price--featured { background: rgba(245, 158, 11, 0.04); }

.status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.status--ok {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.status--soon {
  background: rgba(245, 158, 11, 0.15);
  color: var(--gold-2);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.compare-table tfoot td {
  padding: 24px 20px;
  background: var(--bg-3);
}
.compare-table tfoot td:nth-child(2),
.compare-table tfoot td:nth-child(3) {
  text-align: center;
}

.compare-note {
  margin-top: 24px;
  color: var(--fg-3);
  font-size: 0.9rem;
  text-align: center;
}
.compare-note a { color: var(--gold-2); border-bottom: 1px dashed currentColor; }

/* ----- 自营优势 ----- */
.self-op { padding: 100px 0; background: var(--bg); }
.self-op-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.self-op-item {
  padding: 28px 24px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 0.3s, border-color 0.3s;
}
.self-op-item:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}
.self-op-num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold-2);
  margin-bottom: 14px;
  letter-spacing: 0.1em;
}
.self-op-item h3 {
  font-size: 1.15rem;
  margin: 0 0 8px;
  font-weight: 700;
}
.self-op-item p {
  color: var(--fg-2);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.65;
}

/* ----- 试用申请 ----- */
.trial { padding: 100px 0; background: var(--bg-1); }

.trial-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  padding: 48px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.trial-card::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
  top: -150px;
  right: -150px;
  pointer-events: none;
  opacity: 0.4;
}

.trial-intro h2 {
  font-size: 2rem;
  font-weight: 800;
  margin: 12px 0 14px;
  letter-spacing: -0.01em;
}
.trial-intro > p {
  color: var(--fg-1);
  line-height: 1.7;
  margin: 0 0 24px;
}
.trial-intro a {
  color: var(--gold-2);
  border-bottom: 1px solid currentColor;
}
.trial-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.trial-list li {
  padding: 8px 0;
  color: var(--fg-1);
  font-size: 0.95rem;
}

.trial-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 1;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-size: 0.85rem;
  color: var(--fg-2);
  font-weight: 500;
}
.trial-form input,
.trial-form select,
.trial-form textarea {
  background: var(--bg-1);
  border: 1px solid var(--line-strong);
  color: var(--fg);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s, background 0.2s;
}
.trial-form input:focus,
.trial-form select:focus,
.trial-form textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: var(--bg);
}
.trial-form textarea {
  resize: vertical;
  min-height: 80px;
}
.trial-form input:invalid:not(:placeholder-shown) {
  border-color: #ef4444;
}
.form-tip {
  text-align: center;
  color: var(--fg-3);
  font-size: 0.8rem;
  margin: 0;
}
.form-success {
  display: none;
  padding: 24px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius);
  color: #4ade80;
  text-align: center;
  margin-top: 16px;
}
.form-success.is-shown { display: block; }
.form-success h4 { margin: 0 0 8px; color: #4ade80; }
.form-success p { margin: 0; color: var(--fg-1); font-size: 0.9rem; }

/* ----- FAQ ----- */
.faq { padding: 100px 0; background: var(--bg); }
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.faq-item[open] {
  border-color: rgba(245, 158, 11, 0.3);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--fg);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  width: 18px;
  height: 18px;
  position: relative;
  flex-shrink: 0;
  transition: transform 0.3s;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--gold-2);
  border-radius: 1px;
  transition: transform 0.3s;
}
.faq-icon::before {
  width: 14px; height: 2px;
  top: 8px; left: 2px;
}
.faq-icon::after {
  width: 2px; height: 14px;
  top: 2px; left: 8px;
}
.faq-item[open] .faq-icon::after {
  transform: scaleY(0);
}
.faq-body {
  padding: 0 24px 20px;
  color: var(--fg-2);
  line-height: 1.7;
  font-size: 0.95rem;
}
.faq-body p { margin: 0; }

/* ============================================================
   SCENARIOS.HTML
   ============================================================ */

.scene { padding: 100px 0; background: var(--bg); }
.scene--alt { background: var(--bg-1); }

.scene-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.scene-grid--reverse .scene-content { order: 1; }
.scene-grid--reverse .scene-visual { order: 2; }

.scene-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan-2);
  letter-spacing: 0.2em;
  margin-bottom: 18px;
  padding: 4px 12px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 4px;
}

.scene-content h2 {
  font-size: 2.4rem;
  font-weight: 900;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.scene-lead {
  font-size: 1.1rem;
  color: var(--gold-2);
  margin: 0 0 32px;
  font-weight: 500;
}

.scene-section { margin-bottom: 28px; }
.scene-section h3 {
  font-size: 1.05rem;
  color: var(--fg-1);
  margin: 0 0 12px;
  font-weight: 600;
}
.scene-pain,
.scene-fix {
  list-style: none;
  padding: 0;
  margin: 0;
}
.scene-pain li,
.scene-fix li {
  padding: 8px 0 8px 24px;
  position: relative;
  color: var(--fg-1);
  font-size: 0.95rem;
  line-height: 1.7;
}
.scene-pain li::before {
  content: "✕";
  position: absolute;
  left: 0;
  color: #ef4444;
  font-weight: 700;
}
.scene-fix li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #4ade80;
  font-weight: 700;
}
.scene-fix b { color: var(--gold-2); font-weight: 600; }

.scene-quote {
  margin: 0;
  padding: 20px 24px;
  background: var(--bg-2);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.scene-quote p {
  margin: 0 0 8px;
  color: var(--fg-1);
  font-size: 0.95rem;
  line-height: 1.7;
  font-style: italic;
}
.scene-quote footer {
  color: var(--fg-3);
  font-size: 0.85rem;
  font-style: normal;
}

.scene-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

/* ----- 场景插图（CSS 实现） ----- */
.scene-illu {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* 场景一：游戏窗口 */
.illu-window {
  width: 70%;
  background: #0a0a0a;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  position: absolute;
}
.illu-window:not(.illu-window--2) {
  top: 20%; left: 8%;
  transform: rotate(-3deg);
  z-index: 2;
}
.illu-window--2 {
  top: 30%; right: 8%;
  width: 50%;
  transform: rotate(4deg) scale(0.85);
  opacity: 0.6;
  z-index: 1;
}
.illu-bar {
  display: flex;
  gap: 4px;
  padding: 6px 10px;
  background: #1a1a1a;
  border-bottom: 1px solid #2a2a2a;
}
.illu-bar span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #444;
}
.illu-bar span:first-child { background: #ef4444; }
.illu-bar span:nth-child(2) { background: #eab308; }
.illu-bar span:nth-child(3) { background: #22c55e; }
.illu-screen {
  padding: 16px;
  min-height: 140px;
  background:
    linear-gradient(180deg, rgba(245, 158, 11, 0.05), transparent),
    #0a0a0a;
}
.illu-line {
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  margin-bottom: 8px;
}
.illu-line--short { width: 50%; }
.illu-line--med { width: 70%; }
.illu-stat {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.illu-stat-item {
  flex: 1;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 4px;
  padding: 8px;
  text-align: center;
}
.illu-stat-num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gold-2);
}
.illu-stat-lbl {
  font-size: 0.7rem;
  color: var(--fg-3);
  margin-top: 2px;
}
.illu-screen--alt {
  background: linear-gradient(135deg, #0a0a0a, #1a1a2a);
  min-height: 100px;
}

/* 场景二：多开网格 */
.multi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
  max-width: 280px;
}
.multi-cell {
  aspect-ratio: 4/3;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 4px;
  position: relative;
}
.multi-cell--active {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(6, 182, 212, 0.1));
  border-color: var(--gold);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.3);
}
.multi-cell--active::after {
  content: "";
  position: absolute;
  top: 4px; right: 4px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold-2);
  box-shadow: 0 0 6px var(--gold-2);
}
.multi-counter {
  position: absolute;
  top: 24px;
  right: 24px;
  text-align: center;
  background: var(--bg-3);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  padding: 12px 20px;
}
.multi-counter-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 900;
  color: var(--gold-2);
  line-height: 1;
}
.multi-counter-lbl {
  font-size: 0.75rem;
  color: var(--fg-2);
  margin-top: 4px;
}

/* 场景三：软件列表 */
.soft-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.soft-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.soft-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
  flex-shrink: 0;
  animation: pulse 2s ease-in-out infinite;
}
.soft-name { flex: 1; color: var(--fg-1); }
.soft-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #4ade80;
  letter-spacing: 0.1em;
}

/* ----- 场景对比 ----- */
.scene-compare { padding: 100px 0; background: var(--bg-1); }
.scene-compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}
.sc-card {
  position: relative;
  padding: 32px 24px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}
.sc-card--featured {
  background: linear-gradient(160deg, rgba(245, 158, 11, 0.08), var(--bg-2) 70%);
  border-color: rgba(245, 158, 11, 0.3);
}
.sc-ribbon {
  position: absolute;
  top: -1px;
  left: 24px;
  background: var(--gold);
  color: #1a1100;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 0 0 4px 4px;
}
.sc-card h3 {
  font-size: 1.2rem;
  margin: 0 0 14px;
  font-weight: 700;
}
.sc-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  flex: 1;
}
.sc-card li {
  padding: 6px 0 6px 18px;
  position: relative;
  color: var(--fg-1);
  font-size: 0.9rem;
}
.sc-card li::before {
  content: "·";
  position: absolute;
  left: 6px;
  color: var(--gold-2);
  font-weight: 700;
}
.sc-card .btn { margin-top: auto; }

/* ============================================================
   DOWNLOAD.HTML
   ============================================================ */

.download { padding: 80px 0; background: var(--bg-1); }

.dl-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.dl-card {
  padding: 32px 24px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
  transition: transform 0.3s, border-color 0.3s, background 0.3s;
  display: flex;
  flex-direction: column;
}
.dl-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  background: var(--bg-3);
}
.dl-icon {
  color: var(--gold-2);
  margin: 0 auto 18px;
  display: inline-flex;
  padding: 14px;
  background: rgba(245, 158, 11, 0.1);
  border-radius: var(--radius);
}
.dl-card h3 {
  font-size: 1.2rem;
  margin: 0 0 6px;
  font-weight: 700;
}
.dl-card > p {
  color: var(--fg-2);
  font-size: 0.85rem;
  margin: 0 0 24px;
}
.dl-meta {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}
.dl-version {
  color: var(--fg-3);
  font-family: var(--font-mono);
}
.dl-btn {
  color: var(--gold-2);
  font-weight: 600;
}
.dl-note {
  text-align: center;
  margin-top: 24px;
  color: var(--fg-3);
  font-size: 0.9rem;
}

/* ----- 三步上手 ----- */
.guide { padding: 100px 0; background: var(--bg); }

.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 820px;
  margin: 0 auto;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.step-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: start;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--gold);
  line-height: 1;
}
.step-content {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 28px;
  position: relative;
}
.step-content::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 32px;
  width: 16px;
  height: 2px;
  background: var(--gold);
}
.step-content h3 {
  font-size: 1.2rem;
  margin: 0 0 8px;
  font-weight: 700;
}
.step-content > p {
  color: var(--fg-1);
  margin: 0 0 12px;
  line-height: 1.7;
}
.step-content > p a {
  color: var(--gold-2);
  border-bottom: 1px solid currentColor;
}
.step-tip {
  list-style: none;
  padding: 12px 16px;
  margin: 0;
  background: var(--bg-1);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--gold);
}
.step-tip li {
  padding: 4px 0;
  color: var(--fg-2);
  font-size: 0.85rem;
  position: relative;
  padding-left: 18px;
}
.step-tip li::before {
  content: "💡";
  position: absolute;
  left: 0;
  font-size: 0.75rem;
}

/* ----- 视频教程 ----- */
.video { padding: 100px 0; background: var(--bg-1); }
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}
.video-card h3 {
  font-size: 1.05rem;
  margin: 14px 0 6px;
  font-weight: 600;
}
.video-card p {
  color: var(--fg-2);
  font-size: 0.9rem;
  margin: 0;
}
.video-thumb {
  aspect-ratio: 16/9;
  background:
    linear-gradient(135deg, var(--bg-3), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.3s, transform 0.3s;
  overflow: hidden;
}
.video-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(245, 158, 11, 0.1), transparent 50%);
}
.video-thumb:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}
.video-play {
  position: relative;
  width: 60px;
  height: 60px;
  background: rgba(0, 0, 0, 0.7);
  border: 2px solid var(--gold-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-2);
  font-size: 1.2rem;
  padding-left: 4px;
  transition: background 0.2s, transform 0.2s;
}
.video-thumb:hover .video-play {
  background: var(--gold);
  color: #000;
  transform: scale(1.1);
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.8);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 3px;
}
.video-note {
  text-align: center;
  margin-top: 24px;
  color: var(--fg-3);
  font-size: 0.9rem;
}
.video-note a { color: var(--gold-2); border-bottom: 1px dashed currentColor; }

/* ============================================================
   响应式（内页）
   ============================================================ */

@media (max-width: 1024px) {
  .self-op-grid { grid-template-columns: repeat(2, 1fr); }
  .dl-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .scene-compare-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .page-hero { padding: 110px 0 40px; }
  .scene-grid { grid-template-columns: 1fr; gap: 40px; }
  .scene-grid--reverse .scene-content { order: 2; }
  .scene-grid--reverse .scene-visual { order: 1; }
  .scene-content h2 { font-size: 1.8rem; }
  .trial-card { grid-template-columns: 1fr; padding: 32px 24px; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .step-item { grid-template-columns: 60px 1fr; gap: 16px; }
  .step-num { font-size: 1.8rem; }
  .step-content { padding: 20px; }
  .self-op-grid { grid-template-columns: 1fr; }
  .scene-compare-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .dl-grid { grid-template-columns: 1fr; }
  .compare-table { font-size: 0.85rem; }
  .compare-table th, .compare-table td { padding: 12px 10px; }
}

@media (max-width: 480px) {
  .compare-table-wrap { margin: 0 -16px; border-radius: 0; }
  .page-hero { padding: 100px 0 30px; }
  .page-hero-content h1 { font-size: 1.8rem; }
}

/* ============================================================
   SPECS.HTML / TECH.HTML — 配置详解页 + 技术方案页通用
   ============================================================ */

.spec-detail {
  margin-bottom: 40px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.spec-detail-head {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px 32px;
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.08), transparent 70%),
    var(--bg-2);
  border-bottom: 1px solid var(--line);
}
.spec-detail-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--gold);
  line-height: 1;
  flex-shrink: 0;
}
.spec-detail-head h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.spec-detail-head p {
  color: var(--fg-2);
  margin: 0;
  font-size: 0.95rem;
}
.spec-detail-body {
  padding: 28px 32px 32px;
}
.spec-detail-params {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}
.param-item {
  padding: 14px 18px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.param-label {
  font-size: 0.8rem;
  color: var(--fg-3);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}
.param-value {
  color: var(--fg);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.5;
}
.spec-detail-note {
  padding: 14px 18px;
  background: rgba(245, 158, 11, 0.06);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--fg-1);
  font-size: 0.95rem;
  line-height: 1.7;
}
.spec-detail-note strong { color: var(--gold-2); }

/* ----- 升级路径 ----- */
.upgrade { padding: 100px 0; background: var(--bg-1); }
.upgrade-flow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  max-width: 960px;
  margin: 0 auto;
}
.upgrade-step {
  flex: 1;
  min-width: 220px;
  padding: 28px 24px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
  position: relative;
}
.upgrade-step--featured {
  background: linear-gradient(160deg, rgba(245, 158, 11, 0.1), var(--bg-2) 60%);
  border-color: rgba(245, 158, 11, 0.4);
  transform: scale(1.05);
  z-index: 1;
}
.upgrade-num {
  width: 36px;
  height: 36px;
  background: var(--bg-3);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--gold-2);
  margin: 0 auto 14px;
}
.upgrade-step h3 {
  font-size: 1.2rem;
  margin: 0 0 6px;
  font-weight: 700;
}
.upgrade-step p {
  color: var(--fg-2);
  font-size: 0.9rem;
  margin: 0 0 14px;
}
.upgrade-step p b { color: var(--fg); }
.upgrade-price {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold-2);
  margin-bottom: 6px;
}
.upgrade-for {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-3);
  line-height: 1.5;
}
.upgrade-arrow {
  align-self: center;
  font-size: 1.6rem;
  color: var(--gold-2);
  font-weight: 300;
  flex-shrink: 0;
}

/* ----- TECH.HTML 专用 ----- */
.tech-architecture {
  padding: 80px 0;
  background: var(--bg);
}
.arch-diagram {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: relative;
}
.arch-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.arch-row:last-child { margin-bottom: 0; }
.arch-block {
  padding: 20px 16px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
}
.arch-block--user {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), var(--bg-3));
  border-color: rgba(6, 182, 212, 0.3);
}
.arch-block--cloud {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), var(--bg-3));
  border-color: rgba(245, 158, 11, 0.3);
}
.arch-block--idc {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), var(--bg-3));
  border-color: rgba(34, 197, 94, 0.25);
}
.arch-block-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--fg);
}
.arch-block-desc {
  font-size: 0.8rem;
  color: var(--fg-2);
  line-height: 1.5;
}
.arch-label {
  display: block;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-3);
  letter-spacing: 0.1em;
  margin: 8px 0;
  text-transform: uppercase;
}
.arch-label::before { content: "↓ "; color: var(--gold-2); }
.arch-label::after { content: " ↓"; color: var(--gold-2); }

/* ----- 优势对比（tech 页）----- */
.tech-features {
  padding: 100px 0;
  background: var(--bg-1);
}
.tech-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}
.tech-feature-item {
  padding: 28px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  gap: 18px;
}
.tech-feature-item .icon {
  width: 48px;
  height: 48px;
  background: rgba(245, 158, 11, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.tech-feature-item h3 {
  font-size: 1.1rem;
  margin: 0 0 8px;
  font-weight: 700;
}
.tech-feature-item p {
  color: var(--fg-2);
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.65;
}

/* ============================================================
   响应式补充
   ============================================================ */
@media (max-width: 760px) {
  .spec-detail-head { padding: 20px 22px; gap: 14px; }
  .spec-detail-num { font-size: 1.5rem; }
  .spec-detail-head h2 { font-size: 1.3rem; }
  .spec-detail-body { padding: 22px; }
  .spec-detail-params { grid-template-columns: 1fr; }
  .upgrade-flow { flex-direction: column; align-items: stretch; }
  .upgrade-step--featured { transform: none; }
  .upgrade-arrow { transform: rotate(90deg); align-self: center; }
  .arch-row { grid-template-columns: 1fr; }
  .tech-feature-grid { grid-template-columns: 1fr; }
}