/* ===================================================================
 * tools.css  ——  OraSkl 工具导航页（引流转化版）
 * =================================================================== */

:root {
  --tools-accent: #28d4a8;
  --tools-accent-light: #4ff0c2;
  --tools-accent-bg: rgba(40, 212, 168, 0.12);
  --tools-accent-border: rgba(40, 212, 168, 0.25);
  --tools-accent-shadow: rgba(40, 212, 168, 0.12);

  --tools-page-bg: #070a12;
  --tools-card-bg: rgba(255, 255, 255, 0.055);
  --tools-card-border: rgba(255, 255, 255, 0.06);
  --tools-card-hov-bg: rgba(255, 255, 255, 0.1);
  --tools-card-hov-bord: rgba(40, 212, 168, 0.35);

  --tools-featured-bg: linear-gradient(
    135deg,
    rgba(40, 212, 168, 0.1),
    rgba(47, 107, 255, 0.08)
  );
  --tools-featured-bord: rgba(40, 212, 168, 0.22);

  --tools-sidebar-bg: rgba(255, 255, 255, 0.02);
  --tools-sidebar-line: rgba(255, 255, 255, 0.06);

  --tools-text: #ffffff;
  --tools-heading: #f5f7f9;
  --tools-body: #b8bec9;
  --tools-muted: #8a909e;
  --tools-faint: #555b6a;
}

/* ============================================================
   页面容器
   ============================================================ */
.wb-tools-page .wb-page {
  padding-top: 78px;
  background:
    radial-gradient(
      circle at 85% 0%,
      rgba(40, 212, 168, 0.06),
      transparent 30%
    ),
    radial-gradient(
      circle at 15% 15%,
      rgba(47, 107, 255, 0.04),
      transparent 28%
    ),
    var(--tools-page-bg);
}

/* ============================================================
   Hero 区域  ——  营销导向：价值主张 + 搜索 + 信任数据
   ============================================================ */
.wb-tools-hero {
  position: relative;
  padding: 64px 48px 48px;
  text-align: center;
}
.wb-tools-hero h1 {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 840;
  margin: 0 auto 14px;
  color: var(--tools-text);
  letter-spacing: -0.03em;
  line-height: 1.1;
  max-width: 760px;
}
.wb-tools-hero > p {
  color: var(--tools-body);
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto 28px;
  line-height: 1.6;
}

/* 信任数据条 */
.wb-tools-trust {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 13px;
  color: var(--tools-body);
}
.wb-tools-trust strong {
  color: var(--tools-accent-light);
  font-weight: 700;
}
.wb-tools-trust span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 搜索框 */
.wb-tools-hero-search {
  position: relative;
  margin: 0 auto;
  max-width: 560px;
}
.wb-tools-hero-search svg {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--tools-faint);
  pointer-events: none;
}
.wb-tools-hero-search input {
  width: 100%;
  height: 54px;
  padding: 0 46px 0 52px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.28);
  border-radius: 14px;
  color: var(--tools-text);
  font-size: 16px;
  transition: 0.2s ease;
}
.wb-tools-hero-search input:focus {
  outline: none;
  border-color: var(--tools-accent-border);
  background: rgba(0, 0, 0, 0.38);
  box-shadow: 0 0 0 4px var(--tools-accent-shadow);
}
.wb-tools-hero-search input::placeholder {
  color: var(--tools-faint);
}
.wb-tools-hero-search .clear-search {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--tools-faint);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: 0.18s ease;
}
.wb-tools-hero-search .clear-search:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--tools-body);
}
.wb-tools-hero-search .clear-search svg {
  position: static;
  transform: none;
  width: 15px;
  height: 15px;
}
.wb-tools-hero-search.has-value .clear-search {
  display: flex;
}

/* ============================================================
   主布局
   ============================================================ */
.wb-tools-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: 1500px;
  margin: 0 auto;
  padding-left: 260px;
}

/* ---------- 侧边栏 ---------- */
.wb-tools-sidebar {
  position: fixed;
  left: 0;
  top: 78px;
  align-self: start;
  padding: 32px 16px 48px 48px;
  background: var(--tools-sidebar-bg);
  border-right: 1px solid var(--tools-sidebar-line);
  height: calc(100vh - 178px);
  overflow-y: auto;
  width: 260px;
}
.wb-tools-sidebar::-webkit-scrollbar {
  width: 3px;
}
.wb-tools-sidebar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
}

.wb-tools-sidebar nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  margin: 0 0 8px;
  border-radius: 12px;
  color: var(--tools-body);
  font-size: 14px;
  font-weight: 500;
  transition: 0.16s ease;
  text-decoration: none;
  position: relative;
}
.wb-tools-sidebar nav a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px;
  height: 18px;
  border-radius: 0 2px 2px 0;
  background: var(--tools-accent-light);
  transition: 0.18s ease;
}
.wb-tools-sidebar nav a:hover {
  color: var(--tools-heading);
  background: rgba(255, 255, 255, 0.04);
}
.wb-tools-sidebar nav a.active {
  color: var(--tools-text);
  background: var(--tools-accent-bg);
  font-weight: 650;
  box-shadow: inset 0 0 0 1px var(--tools-accent-border);
}
.wb-tools-sidebar nav a.active::before {
  transform: translateY(-50%) scaleY(1);
}

.wb-tools-sidebar nav a .cat-count {
  font-size: 11px;
  font-weight: 600;
  color: var(--tools-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 2px 8px;
  border-radius: 10px;
  transition: 0.16s ease;
}
.wb-tools-sidebar nav a.active .cat-count,
.wb-tools-sidebar nav a:hover .cat-count {
  color: var(--tools-accent-light);
  background: rgba(40, 212, 168, 0.14);
}

/* ---------- 右侧内容 ---------- */
.wb-tools-content {
  padding: 32px 48px 80px;
  min-height: calc(100vh - 78px);
}

/* 动态分类标题 */
.wb-tools-head {
  margin-bottom: 24px;
}
.wb-tools-head h2 {
  font-size: 22px;
  font-weight: 740;
  color: var(--tools-text);
  margin: 0 0 4px;
}
.wb-tools-head p {
  font-size: 14px;
  color: var(--tools-muted);
  margin: 0;
}

/* ============================================================
   精选工具区  ——  引流核心，3 张大卡
   ============================================================ */
.wb-tools-featured {
  margin-bottom: 56px;
}
.wb-tools-featured-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 650;
  color: var(--tools-accent-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.wb-tools-featured-title::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tools-accent-light);
  box-shadow: 0 0 8px var(--tools-accent-light);
}

.wb-tools-featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.wb-featured-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 24px 22px;
  border-radius: 18px;
  background: var(--tools-featured-bg);
  border: 1px solid var(--tools-featured-bord);
  transition: 0.25s ease;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
}
.wb-featured-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.06) 0%,
    transparent 60%
  );
  pointer-events: none;
}
.wb-featured-card:hover {
  transform: translateY(-4px);
  border-color: rgba(40, 212, 168, 0.45);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(40, 212, 168, 0.15);
}

.wb-featured-card .fc-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-size: 24px;
  background: rgba(40, 212, 168, 0.14);
  border: 1px solid rgba(40, 212, 168, 0.22);
  margin-bottom: 18px;
  position: relative;
}
.wb-featured-card h3 {
  font-size: 18px;
  font-weight: 740;
  color: var(--tools-text);
  margin: 0 0 8px;
  position: relative;
}
.wb-featured-card p {
  font-size: 14px;
  color: var(--tools-body);
  line-height: 1.55;
  margin: 0 0 20px;
  flex: 1;
  position: relative;
}

.wb-featured-card .fc-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 650;
  color: var(--tools-accent-light);
  position: relative;
}
.wb-featured-card .fc-cta svg {
  width: 14px;
  height: 14px;
  transition: 0.18s ease;
}
.wb-featured-card:hover .fc-cta svg {
  transform: translateX(4px);
}

.wb-featured-card .fc-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 10px;
  font-weight: 700;
  color: #000;
  background: var(--tools-accent-light);
  padding: 3px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ============================================================
   子分组
   ============================================================ */
.wb-tools-subgroup {
  margin-bottom: 52px;
}
.wb-tools-subgroup-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.wb-tools-subgroup-header .sg-icon {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--tools-accent-bg);
  color: var(--tools-accent-light);
}
.wb-tools-subgroup-header .sg-icon svg {
  width: 15px;
  height: 15px;
}
.wb-tools-subgroup-header h3 {
  font-size: 17px;
  font-weight: 720;
  color: var(--tools-text);
  margin: 0;
}
.wb-tools-subgroup-header .sg-count {
  margin-left: auto;
  font-size: 13px;
  color: var(--tools-muted);
  font-weight: 500;
}

[data-category] + [data-category] {
  margin-top: 60px;
  padding-top: 60px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ============================================================
   工具卡片网格  ——  更营销向的卡片
   ============================================================ */
.wb-tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.wb-tools-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  border-radius: 14px;
  background: var(--tools-card-bg);
  border: 1px solid var(--tools-card-border);
  transition: 0.2s ease;
  text-decoration: none;
  color: inherit;
}
.wb-tools-item:hover {
  background: var(--tools-card-hov-bg);
  border-color: var(--tools-card-hov-bord);
  transform: translateY(-2px);
  box-shadow:
    0 12px 32px rgba(0, 0, 0, 0.28),
    0 0 0 1px var(--tools-accent-shadow);
}
.wb-tools-item:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--tools-accent-shadow);
  border-color: var(--tools-accent-border);
}

.wb-tools-item .ti-icon {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  font-weight: 700;
  font-size: 18px;
  background: rgba(40, 212, 168, 0.1);
  border: 1px solid rgba(40, 212, 168, 0.16);
  color: var(--tools-accent-light);
  overflow: hidden;
  position: relative;
}
.wb-tools-item .ti-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 10px;
  position: absolute;
  inset: 0;
  margin: auto;
}
.wb-tools-item .ti-icon .ti-fallback {
  display: none;
  font-weight: 700;
  font-size: 18px;
}

.wb-tools-item .ti-body {
  flex: 1;
  min-width: 0;
  padding-top: 2px;
}
.wb-tools-item .ti-body h4 {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  font-size: 15px;
  font-weight: 680;
  color: var(--tools-heading);
  line-height: 1.35;
}
.wb-tools-item .ti-body p {
  margin: 7px 0 0;
  font-size: 13px;
  color: var(--tools-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.wb-tools-item .ti-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  font-style: normal;
  color: var(--tools-accent-light);
  background: rgba(40, 212, 168, 0.12);
  border: 1px solid rgba(40, 212, 168, 0.18);
  padding: 1px 6px;
  border-radius: 5px;
  white-space: nowrap;
}

.wb-tools-item .ti-arrow {
  flex: 0 0 18px;
  margin-top: 10px;
  color: var(--tools-faint);
  transition: 0.18s ease;
}
.wb-tools-item .ti-arrow svg {
  width: 16px;
  height: 16px;
}
.wb-tools-item:hover .ti-arrow {
  color: var(--tools-accent-light);
  transform: translateX(3px);
}

/* ============================================================
   骨架屏 / 空状态
   ============================================================ */
.wb-tools-skeleton {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.wb-tools-skeleton .sk-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: 14px;
  background: var(--tools-card-bg);
  border: 1px solid var(--tools-card-border);
}
.wb-tools-skeleton .sk-icon {
  flex: 0 0 44px;
  height: 44px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.06);
  animation: sk-pulse 1.6s ease-in-out infinite;
}
.wb-tools-skeleton .sk-lines {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.wb-tools-skeleton .sk-line {
  height: 11px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  animation: sk-pulse 1.6s ease-in-out infinite;
}
.wb-tools-skeleton .sk-line.short {
  width: 60%;
}

@keyframes sk-pulse {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 0.55;
  }
}

.wb-tools-empty {
  text-align: center;
  padding: 100px 20px;
  grid-column: 1 / -1;
}
.wb-tools-empty svg {
  width: 52px;
  height: 52px;
  color: var(--tools-faint);
  margin-bottom: 16px;
}
.wb-tools-empty strong {
  display: block;
  font-size: 17px;
  color: var(--tools-heading);
  margin-bottom: 6px;
  font-weight: 650;
}
.wb-tools-empty p {
  font-size: 14px;
  color: var(--tools-muted);
  margin: 0;
}

/* ============================================================
   响应式
   ============================================================ */
@media (min-width: 1800px) {
  .wb-tools-layout {
    grid-template-columns:  1fr;
    max-width: none;
    padding: 0 56px;
    padding-left: 260px;
  }
  .wb-tools-hero {
    padding-left: 56px;
    padding-right: 56px;
  }
  .wb-tools-sidebar {
    padding-left: 56px;
  }
  .wb-tools-content {
    padding: 36px 0 80px 44px;
  }
  .wb-tools-grid,
  .wb-tools-skeleton {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
}

@media (min-width: 1400px) and (max-width: 1799px) {
  .wb-tools-layout {
    grid-template-columns: 1fr;
  }
  .wb-tools-content {
    padding: 36px 44px 80px 40px;
  }
  .wb-tools-grid,
  .wb-tools-skeleton {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
}

@media (min-width: 1100px) and (max-width: 1399px) {
  .wb-tools-layout {
    grid-template-columns:  1fr;
  }
}

@media (max-width: 1099px) {
  .wb-tools-layout {
    grid-template-columns:  1fr;
  }
  .wb-tools-sidebar {
    padding-left: 24px;
    padding-right: 12px;
  }
  .wb-tools-content {
    padding: 28px 28px 60px;
  }
  .wb-tools-hero {
    padding-left: 28px;
    padding-right: 28px;
  }
  .wb-tools-featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .wb-tools-layout {
    grid-template-columns: 1fr;
  }
  .wb-tools-sidebar {
    position: static;
    height: auto;
    background: transparent;
    border-right: none;
    border-bottom: 1px solid var(--tools-sidebar-line);
    padding: 16px 20px;
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .wb-tools-sidebar::-webkit-scrollbar {
    height: 0;
  }
  .wb-tools-sidebar nav {
    display: flex;
    gap: 8px;
    white-space: nowrap;
  }
  .wb-tools-sidebar nav a {
    padding: 10px 16px;
    margin: 0;
    font-size: 13px;
    flex-shrink: 0;
    border-radius: 10px;
  }
  .wb-tools-sidebar nav a::before {
    display: none;
  }
  .wb-tools-content {
    padding: 28px 20px 48px;
  }
  .wb-tools-hero {
    padding: 44px 20px 36px;
  }
  .wb-tools-hero > p {
    font-size: 15px;
  }
  .wb-tools-featured-grid {
    grid-template-columns: 1fr;
  }
  .wb-tools-grid,
  .wb-tools-skeleton {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .wb-tools-subgroup {
    margin-bottom: 40px;
  }
  [data-category] + [data-category] {
    margin-top: 40px;
    padding-top: 40px;
  }
  .wb-tools-trust {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }
}

@media (max-width: 500px) {
  .wb-tools-hero {
    padding: 36px 16px 28px;
  }
  .wb-tools-hero h1 {
    letter-spacing: -0.02em;
  }
  .wb-tools-item {
    padding: 16px 18px;
  }
}