/* ==========================================================================
   Opcideal 跨境智能助手 - 官方网站样式表
   全站 5 大全屏硬件加速极致丝滑切屏 (GPU Fullpage Slider)
   ========================================================================== */

:root {
  --primary: #00C58E;
  --primary-dark: #00A675;
  --primary-light: #E6FBF4;
  --primary-border: #A7F3D0;
  --primary-glow: rgba(0, 197, 142, 0.32);
  
  --dark-bg: #0F172A;
  --text-main: #0B132B;
  --text-body: #475569;
  --text-muted: #94A3B8;
  
  --bg-page: #FFFFFF;
  --bg-subtle: #F8FAFC;
  --border-light: #E2E8F0;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.1);
  --shadow-glow: 0 12px 35px rgba(0, 197, 142, 0.38);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.85s cubic-bezier(0.65, 0, 0.35, 1);
  --max-width: 1240px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-page);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   Fullpage 滑块容器 (GPU 硬件加速丝滑位移)
   ========================================================================== */
.fullpage-container {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  position: relative;
}

.fullpage-wrapper {
  width: 100%;
  height: 100%;
  transform: translate3d(0, 0, 0);
  transition: transform var(--transition-smooth);
  will-change: transform;
}

.snap-screen {
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  overflow: hidden;
  padding: 72px 0 24px;
  background: #FFFFFF;
}

/* 视差与内容平滑进入动效 */
.snap-screen .screen-main-body {
  position: relative;
  z-index: 20;
  text-align: center;
  max-width: var(--max-width);
  margin: auto auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  opacity: 0.35;
  transform: translateY(28px) scale(0.985);
  transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.8s ease;
}

.snap-screen.active .screen-main-body {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.screen-bottom-bar {
  position: relative;
  z-index: 20;
  width: 100%;
  text-align: center;
  margin-top: auto;
  padding-bottom: 8px;
  opacity: 0.3;
  transform: translateY(12px);
  transition: transform 0.85s cubic-bezier(0.2, 0.8, 0.2, 1) 0.1s, opacity 0.7s ease 0.1s;
}

.snap-screen.active .screen-bottom-bar {
  opacity: 1;
  transform: translateY(0);
}

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input {
  font-family: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ==========================================================================
   全站统一背景装饰 (斜线 / 绿色方块 / 巨幅透视暗纹)
   ========================================================================== */
.screen-bg-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.accent-line-1 {
  position: absolute;
  top: 16%;
  left: -20%;
  width: 140%;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 197, 142, 0) 0%, rgba(0, 197, 142, 0.28) 40%, rgba(226, 232, 240, 0.8) 80%, rgba(0, 197, 142, 0) 100%);
  transform: rotate(-18deg);
}

.accent-line-2 {
  position: absolute;
  top: 72%;
  left: -20%;
  width: 140%;
  height: 1px;
  background: linear-gradient(90deg, rgba(226, 232, 240, 0) 0%, rgba(0, 197, 142, 0.18) 50%, rgba(226, 232, 240, 0) 100%);
  transform: rotate(-18deg);
}

.accent-green-block {
  position: absolute;
  top: 34%;
  left: 18%;
  width: 50px;
  height: 28px;
  background: var(--primary);
  transform: rotate(-22deg) skewX(-15deg);
  border-radius: 5px;
  box-shadow: 0 4px 16px var(--primary-glow);
  transition: transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.snap-screen.active .accent-green-block {
  transform: rotate(-22deg) skewX(-15deg) scale(1.1);
}

.accent-watermark {
  position: absolute;
  top: 20%;
  left: -4%;
  font-size: 13rem;
  font-weight: 950;
  line-height: 0.85;
  color: rgba(15, 23, 42, 0.024);
  text-transform: uppercase;
  transform: rotate(-18deg);
  user-select: none;
  letter-spacing: -0.05em;
  transition: transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.snap-screen.active .accent-watermark {
  transform: rotate(-18deg) translateY(-10px);
}

/* ==========================================================================
   右侧悬浮 5 屏圆点分页指示器
   ========================================================================== */
.side-pagination {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-dot-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  cursor: pointer;
  padding: 4px;
}

.page-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #CBD5E1;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.page-dot-item:hover .page-dot {
  background: var(--primary);
  transform: scale(1.3);
}

.page-dot-item.active .page-dot {
  background: var(--primary);
  height: 26px;
  border-radius: 6px;
  box-shadow: 0 0 12px var(--primary-glow);
}

.dot-tooltip {
  position: absolute;
  right: 24px;
  background: #0F172A;
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateX(8px);
  transition: all 0.2s ease;
  pointer-events: none;
  box-shadow: var(--shadow-sm);
}

.page-dot-item:hover .dot-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* ==========================================================================
   Header & Navbar (极简纯文字 Logo)
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(240, 243, 246, 0.85);
  transition: all var(--transition-fast);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}

.brand-logo {
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.brand-name-stacked {
  display: flex;
  flex-direction: column;
  line-height: 0.88;
  font-weight: 950;
  letter-spacing: -0.04em;
  color: #111827;
  text-transform: uppercase;
}

.brand-name-stacked .text-opc {
  font-size: 1.98rem;
  letter-spacing: 0.02em;
}

.brand-name-stacked .text-ideal {
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
}

.brand-cursor-bar {
  display: inline-block;
  width: 9px;
  height: 4px;
  background: var(--primary);
  margin-left: 2px;
  border-radius: 1px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 46px;
  list-style: none;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  position: relative;
  padding: 6px 4px;
  cursor: pointer;
  letter-spacing: -0.01em;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0px;
  left: 0;
  width: 100%;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.nav-link:hover {
  color: var(--primary-dark);
}

.nav-link.active {
  color: var(--text-main);
}

.nav-link.active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-nav-download {
  background: #111827;
  color: #FFFFFF;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 7px 22px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap !important;
  flex-shrink: 0;
}

.btn-nav-download:hover {
  background: #000000;
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
  padding: 4px;
}

/* ==========================================================================
   全站统一大号标题与副标题规范
   ========================================================================== */
.section-headline-wrap {
  text-align: center;
  margin-bottom: 24px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 16px;
  background-color: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.88rem;
  font-weight: 800;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
  border: 1px solid var(--primary-border);
}

.section-title-lg {
  font-size: 2.8rem;
  font-weight: 950;
  letter-spacing: -0.035em;
  color: #111827;
  margin-bottom: 8px;
  line-height: 1.2;
}

.title-gradient-text {
  background: linear-gradient(135deg, #111827 30%, var(--primary, #00C58E) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-desc-md {
  font-size: 1.1rem;
  color: #475569;
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ==========================================================================
   第 1 屏：首屏 (Screen 1: Hero)
   ========================================================================== */
.hero-dynamic-title {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 22px;
}

.title-brand-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 0.88;
  font-weight: 950;
  letter-spacing: -0.04em;
  color: #111827;
  text-transform: uppercase;
}

.title-brand-logo .title-opc {
  font-size: 4.5rem;
  letter-spacing: 0.02em;
}

.title-brand-logo .title-ideal-row {
  display: flex;
  align-items: baseline;
}

.title-brand-logo .title-ideal {
  font-size: 3.4rem;
  letter-spacing: -0.03em;
}

.title-brand-logo .title-cursor-bar {
  display: inline-block;
  width: 14px;
  height: 6px;
  background: var(--primary);
  margin-left: 4px;
  border-radius: 2px;
  box-shadow: 0 0 10px var(--primary-glow);
}

.title-static-text {
  font-size: 4.6rem;
  font-weight: 950;
  color: #111827;
  letter-spacing: -0.03em;
}

.dynamic-word-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 98px;
  min-width: 240px;
  perspective: 1000px;
  vertical-align: middle;
}

.dynamic-word-box {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.flip-word {
  position: absolute;
  left: 0;
  font-size: 4.6rem;
  font-weight: 950;
  letter-spacing: -0.03em;
  white-space: nowrap;
  opacity: 0;
  transform: rotateX(-90deg) translateY(40px);
  transform-origin: 50% 50% -45px;
  transition: transform 0.65s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.4s ease, filter 0.4s ease;
  filter: blur(8px);
  color: #111827;
  background: linear-gradient(135deg, #111827 40%, #00C58E 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.flip-word.active {
  opacity: 1;
  filter: blur(0);
  transform: rotateX(0deg) translateY(0);
}

.flip-word.leaving {
  opacity: 0;
  filter: blur(8px);
  transform: rotateX(90deg) translateY(-40px);
}

.hero-lead-desc {
  font-size: 1.25rem;
  color: #475569;
  max-width: 840px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 100;
}

.download-dropdown-wrap {
  position: relative;
  display: inline-block;
  z-index: 100;
}

.btn-hero-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--primary);
  color: #FFFFFF;
  font-size: 1.22rem;
  font-weight: 800;
  padding: 15px 50px;
  border-radius: 14px;
  box-shadow: 0 10px 28px var(--primary-glow);
  transition: all var(--transition-smooth);
  cursor: pointer;
  text-decoration: none;
}

.btn-hero-download:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-hero-download .cat-icon {
  width: 26px;
  height: 26px;
  fill: #FFFFFF;
}

.download-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  width: 320px;
  background: #FFFFFF;
  border-radius: 18px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.22), 0 0 0 1px rgba(0, 0, 0, 0.08);
  padding: 8px 6px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 99999;
  text-align: left;
}

.download-dropdown-wrap:hover .download-menu,
.download-menu.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.download-menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  color: #111827;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.download-menu-item:hover {
  background: #F1F5F9;
}

.download-menu-item .device-badge {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 2px 8px;
  border-radius: 6px;
}

.download-menu-item .ext-badge {
  font-size: 0.78rem;
  color: #64748B;
  font-weight: 500;
}

.partners-title {
  text-align: center;
  font-size: 0.9rem;
  color: #94A3B8;
  margin-bottom: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.partners-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 50px;
  flex-wrap: wrap;
}

.partner-logo {
  font-size: 1.22rem;
  font-weight: 850;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.partner-logo:hover {
  color: #0F172A;
  transform: scale(1.04);
}

/* ==========================================================================
   第 2 屏：功能矩阵 (Screen 2: Features)
   ========================================================================== */
.tabs-nav-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 22px;
  width: 100%;
}

.feature-tabs-nav {
  display: inline-flex;
  background: #F1F5F9;
  padding: 6px;
  border-radius: var(--radius-full);
  gap: 8px;
  border: 1px solid #E2E8F0;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 0.96rem;
  font-weight: 700;
  color: #475569;
  border: none;
  background: transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tab-ip-icon {
  width: 22px;
  height: 22px;
  object-fit: contain;
  vertical-align: middle;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.08));
}

.tab-btn:hover {
  color: #0F172A;
}

.tab-btn:hover .tab-ip-icon {
  transform: scale(1.18) rotate(-4deg);
}

.tab-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 197, 142, 0.4);
}

.tab-btn.active .tab-ip-icon {
  transform: scale(1.22);
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.22));
}

.tab-badge-soon {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 1px 7px;
  margin-left: 6px;
  border-radius: var(--radius-full);
  background: rgba(148, 163, 184, 0.2);
  color: #64748b;
  vertical-align: middle;
  transition: all 0.2s ease;
}

.tab-btn.active .tab-badge-soon {
  background: rgba(255, 255, 255, 0.28);
  color: #ffffff;
}

.feature-hero-card-panel {
  display: none;
  width: 100%;
  max-width: 1080px;
  background: linear-gradient(145deg, #FFFFFF 0%, rgba(240, 253, 249, 0.85) 60%, rgba(230, 251, 244, 0.95) 100%);
  border: 1.5px solid rgba(0, 197, 142, 0.35);
  border-radius: 26px;
  padding: 38px 48px;
  box-shadow: 0 20px 50px rgba(0, 197, 142, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  position: relative;
  overflow: hidden;
}

.feature-hero-card-panel.active {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  gap: 40px;
  animation: fadeInPanel 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(12px) scale(0.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.panel-content-left {
  flex: 1;
  min-width: 0;
}

.panel-content-left .card-top-headline {
  margin-bottom: 12px;
}

.panel-content-left .card-top-headline h3 {
  font-size: 1.9rem;
  font-weight: 950;
  color: #0F172A;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.card-subtitle-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary-dark);
  background: rgba(0, 197, 142, 0.12);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--primary-border);
}

.panel-content-left .card-lead-description {
  font-size: 1.05rem;
  color: #475569;
  line-height: 1.7;
  margin: 0;
  text-align: left;
}

.panel-content-left .market-feature-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  margin-top: 22px;
}

/* 右侧专属 3D IP 视觉形象区 */
.panel-visual-right {
  position: relative;
  flex-shrink: 0;
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-visual-right .ip-bot-glow {
  position: absolute;
  width: 170px;
  height: 170px;
  background: radial-gradient(circle, rgba(0, 197, 142, 0.28) 0%, rgba(0, 197, 142, 0) 70%);
  border-radius: 50%;
  filter: blur(16px);
  pointer-events: none;
  animation: glowPulse 4s ease-in-out infinite alternate;
}

.panel-visual-right .panel-ip-img {
  position: relative;
  width: 190px;
  height: 190px;
  object-fit: contain;
  filter: drop-shadow(0 14px 28px rgba(0, 197, 142, 0.2));
  animation: ipFloat 4s ease-in-out infinite alternate;
  user-select: none;
}

@keyframes ipFloat {
  0% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-8px) rotate(1deg);
  }
  100% {
    transform: translateY(4px) rotate(-1deg);
  }
}

@keyframes glowPulse {
  0% {
    transform: scale(0.9);
    opacity: 0.6;
  }
  100% {
    transform: scale(1.18);
    opacity: 0.95;
  }
}

.market-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 1px solid rgba(0, 197, 142, 0.28);
  color: #1e293b;
  font-size: 0.92rem;
  font-weight: 650;
  box-shadow: 0 2px 8px rgba(0, 197, 142, 0.05);
  transition: all 0.22s ease;
}

.market-tag:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0, 197, 142, 0.12);
}

.market-tag .tag-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 6px var(--primary);
}

.card-features-triplet {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
  margin-bottom: 26px;
}

.feature-triplet-item {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 197, 142, 0.25);
  border-radius: 18px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

.feature-triplet-item:hover {
  transform: translateY(-3px);
  background: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 10px 24px var(--primary-glow);
}

.triplet-icon-circle {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 12px;
  border: 1px solid var(--primary-border);
}

.feature-triplet-item h4 {
  font-size: 1.05rem;
  font-weight: 850;
  color: #0F172A;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.feature-triplet-item p {
  font-size: 0.88rem;
  color: #64748B;
  line-height: 1.6;
}

.card-bottom-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-top: 18px;
  border-top: 1px solid rgba(0, 197, 142, 0.2);
}

.card-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  color: #1E293B;
}

.card-stat-pill span.green-num {
  color: var(--primary-dark);
  font-weight: 900;
  font-size: 1.05rem;
}

.btn-card-gradient {
  background: linear-gradient(135deg, #00C58E 0%, #009E6D 100%);
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 800;
  padding: 10px 28px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 16px var(--primary-glow);
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.btn-card-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 197, 142, 0.5);
}

/* ==========================================================================
   第 3 屏：会员方案 (Screen 3: Pricing)
   ========================================================================== */
.vip-privilege-banner-compact {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 16px;
  padding: 16px 26px;
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  width: 100%;
  box-shadow: var(--shadow-sm);
}

.privilege-item {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
}

.privilege-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
  font-weight: 800;
}

.privilege-item h4 {
  font-size: 0.96rem;
  font-weight: 800;
  color: #1E293B;
  white-space: nowrap;
}

.pricing-grid-real-compact {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  width: 100%;
}

.pricing-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.pricing-section-header h3 {
  color: #0F172A;
  font-size: 1.08rem;
  font-weight: 850;
}

.pricing-category-segmented {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  background: #F8FAFC;
}

.pricing-category-segmented button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 7px 15px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: #64748B;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 750;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pricing-category-segmented button.active {
  background: #FFFFFF;
  color: var(--primary-dark);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.pricing-category-segmented button span {
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.7rem;
  white-space: nowrap;
}

.real-price-card {
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 18px;
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-smooth);
  text-align: left;
}

.real-price-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.real-price-card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 12px 35px var(--primary-glow);
}

.real-price-card .popular-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.real-plan-name {
  font-size: 1.3rem;
  font-weight: 900;
  color: #0F172A;
  margin-bottom: 3px;
}

.real-plan-duration {
  display: inline-flex;
  align-items: baseline;
  align-self: flex-start;
  gap: 4px;
  margin: 8px 0 14px;
  padding: 5px 11px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.8rem;
}

.real-plan-duration strong {
  font-size: 1.05rem;
  font-weight: 900;
}

.real-price-box {
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid #EEF2F6;
}

.real-currency {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
}

.real-price-num {
  font-size: 2.8rem;
  font-weight: 950;
  color: #0F172A;
  line-height: 1;
}

.real-price-unit {
  font-size: 0.85rem;
  color: #64748B;
}

.store-limit-highlight {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 5px;
  margin-bottom: 16px;
  padding: 10px 12px;
  border: 1px solid rgba(0, 197, 142, 0.24);
  border-radius: 11px;
  background: linear-gradient(135deg, rgba(0, 197, 142, 0.12), rgba(0, 197, 142, 0.04));
  color: #166B55;
  font-size: 0.82rem;
  font-weight: 750;
}

.store-limit-highlight strong {
  color: var(--primary-dark);
  font-size: 1.3rem;
  font-weight: 950;
  line-height: 1;
}

.real-card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 0.88rem;
}

.real-card-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: #334155;
  font-weight: 550;
  line-height: 1.45;
}

.real-card-features .feature-check {
  flex: 0 0 auto;
  color: #334155;
  font-weight: 900;
}

.real-plan-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.real-plan-meta span {
  padding: 5px 9px;
  border-radius: 8px;
  background: #F1F5F9;
  color: #475569;
  font-size: 0.78rem;
  font-weight: 700;
}

.real-plan-meta span.bonus {
  background: #FFF7ED;
  color: #C2410C;
}

.pricing-state {
  grid-column: 1 / -1;
  padding: 42px 20px;
  border: 1px dashed #CBD5E1;
  border-radius: 16px;
  color: #64748B;
  text-align: center;
}

/* ==========================================================================
   第 4 屏：客户端下载 (Screen 4: Download)
   ========================================================================== */
.download-title-brand-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 2.9rem;
  font-weight: 950;
  color: #111827;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  line-height: 1.2;
}

.download-brand-box {
  display: inline-flex;
  align-items: baseline;
  text-transform: uppercase;
  color: #111827;
}

.download-brand-box .brand-opc-tag {
  font-weight: 950;
  margin-right: 6px;
}

.download-brand-box .brand-ideal-tag {
  font-weight: 950;
  letter-spacing: -0.03em;
}

.download-brand-box .brand-cursor-bar {
  display: inline-block;
  width: 12px;
  height: 6px;
  background: var(--primary);
  margin-left: 4px;
  border-radius: 2px;
  box-shadow: 0 0 10px var(--primary-glow);
}

.download-grid-compact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
  margin-bottom: 24px;
}

.download-card-compact {
  background: #FFFFFF;
  border: 1.5px solid #E2E8F0;
  border-radius: 22px;
  padding: 32px 26px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all var(--transition-smooth);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.os-icon-svg-box {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: all var(--transition-fast);
}

.download-card-compact:hover .os-icon-svg-box {
  transform: scale(1.08);
}

.os-svg-icon {
  width: 32px;
  height: 32px;
  display: block;
}

.download-card-compact h3 {
  font-size: 1.35rem;
  font-weight: 900;
  margin-bottom: 4px;
  color: #0F172A;
  letter-spacing: -0.02em;
}

.download-card-compact p {
  font-size: 0.9rem;
  color: #64748B;
  margin-bottom: 20px;
}

.download-btn-group-compact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.quick-steps-bar {
  background: #FFFFFF;
  border-radius: 16px;
  border: 1px solid #E2E8F0;
  padding: 16px 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
  box-shadow: var(--shadow-sm);
}

.quick-step-item {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
}

.step-num {
  font-weight: 950;
  font-size: 1.25rem;
  color: var(--primary);
}

.step-text h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 2px;
  white-space: nowrap;
}

.step-text p {
  font-size: 0.82rem;
  color: #64748B;
}

/* ==========================================================================
   第 5 屏：开启与关于 (Screen 5: Footer CTA)
   ========================================================================== */
.footer-screen-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 20;
}

.footer-cta-dual-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 20px;
  position: relative;
}

.footer-cta-left {
  text-align: left;
  max-width: 600px;
}

.footer-cta-left h2 {
  font-size: 3rem;
  font-weight: 950;
  color: #111827;
  letter-spacing: -0.035em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.footer-cta-left p {
  font-size: 1.15rem;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-cta-right-visual {
  position: relative;
  width: 480px;
  max-width: 100%;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 20px;
  background: radial-gradient(circle at 60% 50%, rgba(0, 197, 142, 0.12) 0%, rgba(248, 250, 252, 0.6) 60%, rgba(255, 255, 255, 0) 100%);
}

.ai-companion-art {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.companion-bot-glow {
  position: absolute;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(0, 197, 142, 0.35) 0%, rgba(0, 197, 142, 0) 70%);
  border-radius: 50%;
  animation: pulseBotGlow 4s ease-in-out infinite;
}

@keyframes pulseBotGlow {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.25); opacity: 0.95; }
}

.companion-bot-img {
  position: relative;
  z-index: 5;
  width: 175px;
  height: 175px;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 16px 28px rgba(0, 197, 142, 0.28)) drop-shadow(0 8px 16px rgba(15, 23, 42, 0.12));
  animation: floatBot 4s ease-in-out infinite;
  user-select: none;
  pointer-events: none;
  transition: transform 0.3s ease;
}

.companion-bot-3d {
  position: relative;
  z-index: 5;
  width: 130px;
  height: 130px;
  background: linear-gradient(135deg, #FFFFFF 0%, #F1F5F9 100%);
  border-radius: 40px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.18), inset 0 2px 4px rgba(255, 255, 255, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: floatBot 4s ease-in-out infinite;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

@keyframes floatBot {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}

.bot-ears {
  position: absolute;
  top: -12px;
  width: 80px;
  display: flex;
  justify-content: space-between;
}

.bot-ear {
  width: 22px;
  height: 22px;
  background: #00C58E;
  border-radius: 6px 12px 0 0;
  box-shadow: 0 4px 10px rgba(0, 197, 142, 0.4);
}

.bot-screen-face {
  width: 90px;
  height: 65px;
  background: #0F172A;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.6);
}

.bot-eye {
  width: 14px;
  height: 18px;
  background: #00C58E;
  border-radius: 8px;
  box-shadow: 0 0 10px #00C58E;
  animation: blinkBotEye 3.5s infinite;
}

@keyframes blinkBotEye {
  0%, 96%, 100% { transform: scaleY(1); }
  98% { transform: scaleY(0.1); }
}

.footer-cards-grid-workbuddy {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 20px;
  width: 100%;
  text-align: left;
}

.footer-nav-card-workbuddy {
  background: #F8FAFC;
  border: 1px solid #F1F5F9;
  border-radius: 14px;
  padding: 22px 24px;
  transition: all var(--transition-fast);
}

.footer-nav-card-workbuddy:hover {
  background: #FFFFFF;
  border-color: #E2E8F0;
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.footer-nav-card-workbuddy h4 {
  font-size: 0.94rem;
  font-weight: 850;
  color: #111827;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.footer-nav-card-workbuddy h4 .square-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #111827;
  border-radius: 1px;
}

.footer-card-links-workbuddy {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-card-links-workbuddy a {
  font-size: 0.88rem;
  color: #64748B;
  font-weight: 550;
  transition: color var(--transition-fast);
}

.footer-card-links-workbuddy a:hover {
  color: var(--primary-dark);
}

.footer-giant-watermark-animated {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin: 10px 0 16px;
  user-select: none;
  cursor: default;
  transition: transform 0.4s ease;
}

.footer-giant-watermark-animated:hover {
  transform: translateY(-4px) scale(1.01);
}

.watermark-cat-icon {
  width: 72px;
  height: 72px;
  fill: #111827;
  opacity: 0.08;
  transition: opacity 0.4s ease, fill 0.4s ease;
}

.footer-giant-watermark-animated:hover .watermark-cat-icon {
  opacity: 0.18;
  fill: var(--primary);
}

.watermark-text-flow {
  font-size: 7.2rem;
  font-weight: 950;
  letter-spacing: -0.04em;
  line-height: 1;
  text-transform: uppercase;
  display: inline-flex;
  align-items: baseline;
  background: linear-gradient(
    90deg,
    rgba(15, 23, 42, 0.045) 0%,
    rgba(15, 23, 42, 0.045) 30%,
    rgba(0, 197, 142, 0.35) 50%,
    rgba(15, 23, 42, 0.045) 70%,
    rgba(15, 23, 42, 0.045) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: watermarkLaserFlow 6.5s ease-in-out infinite;
}

@keyframes watermarkLaserFlow {
  0% { background-position: 180% 0; }
  100% { background-position: -80% 0; }
}

.footer-giant-watermark-animated:hover .watermark-text-flow {
  background: linear-gradient(
    90deg,
    rgba(15, 23, 42, 0.12) 0%,
    rgba(0, 197, 142, 0.6) 50%,
    rgba(15, 23, 42, 0.12) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.watermark-cursor-animated {
  display: inline-block;
  width: 22px;
  height: 9px;
  background: var(--primary);
  margin-left: 6px;
  border-radius: 2px;
  box-shadow: 0 0 14px var(--primary-glow);
  animation: cursorPulse 1.8s ease-in-out infinite;
}

@keyframes cursorPulse {
  0%, 100% { opacity: 0.3; transform: scaleX(0.85); }
  50% { opacity: 1; transform: scaleX(1.15); box-shadow: 0 0 20px rgba(0, 197, 142, 0.8); }
}

.footer-legal-bar-workbuddy {
  border-top: 1px solid #EEF2F6;
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: #94A3B8;
  width: 100%;
}

.footer-legal-bar-workbuddy .legal-right {
  text-align: right;
  line-height: 1.6;
}

.icp-link {
  color: #94A3B8;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.icp-link:hover {
  color: var(--primary, #00C58E);
  text-decoration: underline;
}

/* 按钮基类 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 750;
  font-size: 0.94rem;
  padding: 11px 22px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-smooth);
  border: 1px solid transparent;
  outline: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-dark {
  background-color: #0F172A;
  color: #FFFFFF;
}

.btn-dark:hover {
  background-color: #000000;
}

.btn-outline {
  background-color: #FFFFFF;
  color: #0F172A;
  border-color: #E2E8F0;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  background-color: var(--primary-light);
}

/* ==========================================================================
   触底/触顶 物理弹性阻尼回弹动效 (5 屏适配: -400vh)
   ========================================================================== */
.fullpage-wrapper.bounce-bottom {
  animation: rubberBounceBottom 0.52s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fullpage-wrapper.bounce-top {
  animation: rubberBounceTop 0.52s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes rubberBounceBottom {
  0% { transform: translate3d(0, -400vh, 0); }
  40% { transform: translate3d(0, calc(-400vh - 42px), 0) scaleY(0.995); }
  75% { transform: translate3d(0, calc(-400vh - 6px), 0) scaleY(1.002); }
  100% { transform: translate3d(0, -400vh, 0) scaleY(1); }
}

@keyframes rubberBounceTop {
  0% { transform: translate3d(0, 0, 0); }
  40% { transform: translate3d(0, 42px, 0) scaleY(0.995); }
  75% { transform: translate3d(0, 6px, 0) scaleY(1.002); }
  100% { transform: translate3d(0, 0, 0) scaleY(1); }
}

.overscroll-glow-bar {
  position: fixed;
  left: 0;
  right: 0;
  height: 60px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.overscroll-glow-top {
  top: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 197, 142, 0.45) 0%, rgba(0, 197, 142, 0) 75%);
  transform: translateY(-20px);
}

.overscroll-glow-bottom {
  bottom: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(0, 197, 142, 0.45) 0%, rgba(0, 197, 142, 0) 75%);
  transform: translateY(20px);
}

.overscroll-glow-bar.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   移动端自适应
   ========================================================================== */
@media (max-width: 1024px) {
  html, body {
    overflow: auto;
  }
  .fullpage-container {
    height: auto;
    overflow: visible;
  }
  .fullpage-wrapper {
    transform: none !important;
    transition: none !important;
  }
  .snap-screen {
    height: auto;
    min-height: 100vh;
    padding: 60px 0 40px;
  }
  .snap-screen .screen-main-body,
  .snap-screen .screen-bottom-bar {
    opacity: 1;
    transform: none;
  }
  .side-pagination {
    display: none;
  }
  .pricing-grid-real-compact,
  .vip-privilege-banner-compact,
  .download-grid-compact,
  .footer-cards-grid-workbuddy {
    grid-template-columns: repeat(2, 1fr);
  }
  .card-features-triplet {
    grid-template-columns: 1fr;
  }
  .footer-cta-dual-banner {
    flex-direction: column;
    text-align: center;
  }
  .footer-cta-left {
    text-align: center;
  }
  .watermark-text-flow {
    font-size: 4rem;
  }
  .nav-menu {
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .nav-wrap {
    height: 60px;
  }
  
  .nav-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    padding: 20px 24px 30px;
    border-bottom: 1px solid #E2E8F0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transform: none;
    gap: 20px;
    z-index: 999;
  }
  
  .nav-menu.open {
    display: flex;
  }
  
  .mobile-toggle {
    display: block;
  }

  .section-title-lg {
    font-size: 2.1rem;
  }

  .title-brand-logo .title-opc {
    font-size: 1.35rem;
  }

  .title-brand-logo .title-ideal {
    font-size: 2rem;
  }

  .title-static-text, .flip-word {
    font-size: 2.1rem;
  }

  .dynamic-word-wrapper {
    height: 46px;
    min-width: 125px;
  }

  /* 第 2 屏：全链路提效矩阵手机端深度适配 */
  #screen-features {
    padding: 40px 0 36px;
    min-height: auto;
  }

  #screen-features .section-headline-wrap {
    margin-bottom: 20px;
    padding: 0 4px;
  }

  #screen-features .section-tag {
    font-size: 0.78rem;
    padding: 3px 12px;
    margin-bottom: 8px;
  }

  #screen-features .section-title-lg {
    font-size: 1.75rem;
    line-height: 1.28;
    margin-bottom: 8px;
  }

  #screen-features .section-desc-md {
    font-size: 0.9rem;
    line-height: 1.55;
    padding: 0 6px;
  }

  /* 选项卡横向平滑滚动导航 */
  .tabs-nav-wrapper {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 4px 6px 12px;
    margin-bottom: 16px;
    scrollbar-width: none;
    width: 100%;
    box-sizing: border-box;
  }

  .tabs-nav-wrapper::-webkit-scrollbar {
    display: none;
  }

  .feature-tabs-nav {
    display: flex;
    flex-wrap: nowrap;
    padding: 4px;
    gap: 6px;
    white-space: nowrap;
    border-radius: var(--radius-full);
    flex-shrink: 0;
  }

  .tab-btn {
    padding: 6px 13px;
    font-size: 0.85rem;
    gap: 6px;
    flex-shrink: 0;
  }

  .tab-ip-icon {
    width: 18px;
    height: 18px;
  }

  .tab-badge-soon {
    font-size: 0.68rem;
    padding: 1px 5px;
    margin-left: 4px;
  }

  /* 特性卡片与文字移动端排版 */
  .feature-hero-card-panel {
    padding: 24px 16px 20px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 197, 142, 0.08);
  }

  .feature-hero-card-panel.active {
    flex-direction: column-reverse;
    text-align: center;
    gap: 14px;
    padding: 24px 16px 20px;
  }

  .panel-visual-right {
    width: 110px;
    height: 110px;
    margin: 0 auto 6px;
  }

  .panel-visual-right .ip-bot-glow {
    width: 95px;
    height: 95px;
    filter: blur(10px);
  }

  .panel-visual-right .panel-ip-img {
    width: 100px;
    height: 100px;
  }

  .panel-content-left {
    width: 100%;
  }

  .panel-content-left .card-top-headline {
    margin-bottom: 10px;
  }

  .panel-content-left .card-top-headline h3 {
    font-size: 1.25rem;
    line-height: 1.38;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
  }

  .card-subtitle-badge {
    font-size: 0.8rem;
    padding: 2px 10px;
  }

  .panel-content-left .card-lead-description {
    font-size: 0.88rem;
    line-height: 1.68;
    text-align: justify;
    color: #475569;
    padding: 0 4px;
    margin: 0 auto;
  }

  /* 核心能力标签移动端整齐列表化 */
  .market-feature-tags {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 8px;
    margin-top: 18px;
  }

  .market-tag {
    width: 100%;
    justify-content: flex-start;
    padding: 9px 13px;
    font-size: 0.82rem;
    border-radius: 12px;
    box-sizing: border-box;
    text-align: left;
    gap: 8px;
  }

  .market-tag .tag-dot {
    width: 6px;
    height: 6px;
    flex-shrink: 0;
  }

  .pricing-grid-real-compact,
  .vip-privilege-banner-compact,
  .download-grid-compact,
  .quick-steps-bar,
  .footer-cards-grid-workbuddy {
    grid-template-columns: 1fr;
  }

  .pricing-section-header {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .pricing-category-segmented {
    width: 100%;
  }

  .pricing-category-segmented button {
    flex: 1;
    justify-content: center;
    padding-inline: 8px;
  }

  .footer-cta-dual-banner {
    flex-direction: column;
    text-align: center;
  }

  .footer-cta-left h2 {
    font-size: 2.1rem;
  }

  .footer-cta-right-visual {
    height: 180px;
    margin-top: 10px;
  }

  .companion-bot-img {
    width: 140px;
    height: 140px;
  }

  .watermark-text-flow {
    font-size: 2.8rem;
  }

  .watermark-cat-icon {
    width: 40px;
    height: 40px;
  }

  .footer-legal-bar-workbuddy {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .footer-legal-bar-workbuddy .legal-right {
    text-align: left;
  }
}

/* ==========================================================================
   全站登录与注册功能模块 (Auth System & User Profile & Toast)
   严格契合 FlowOPC 翡翠绿主题与现代科技感拟态交互
   ========================================================================== */

/* 1. 顶部导航栏用户态与快捷按钮 */
.nav-auth-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-nav-login {
  background: transparent;
  color: var(--text-main);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap !important;
  flex-shrink: 0;
}

.btn-nav-login:hover {
  color: var(--primary-dark);
  background: var(--bg-subtle);
}

.btn-nav-register {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.92rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--primary-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap !important;
  flex-shrink: 0;
}

.btn-nav-register:hover {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  box-shadow: 0 4px 14px var(--primary-glow);
  transform: translateY(-1px);
}

/* 移动端汉堡菜单中的快捷面板，桌面端默认隐藏 */
.mobile-nav-action-panel {
  display: none;
}

/* 导航栏已登录用户信息胶囊与下拉框 */
.nav-user-dropdown-wrap {
  position: relative;
}

.nav-user-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 14px 4px 6px;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  user-select: none;
}

.nav-user-pill:hover,
.nav-user-pill.active {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(0, 197, 142, 0.16);
}

.nav-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #008f65);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
}

.nav-user-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-user-arrow {
  font-size: 0.65rem;
  color: var(--text-muted);
  transition: transform 0.25s ease;
}

.nav-user-pill.active .nav-user-arrow {
  transform: rotate(180deg);
}

.nav-user-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 320px;
  background: #FFFFFF;
  border-radius: 16px;
  box-shadow: 0 16px 40px -6px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(226, 232, 240, 0.8);
  padding: 16px;
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

.nav-user-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-user-header-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid #F1F5F9;
}

.nav-user-avatar-lg {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00C58E, #00A675);
  color: #FFFFFF;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.nav-user-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-user-header-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
  text-align: left;
}

.nav-user-header-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #0F172A;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-user-header-phone {
  font-size: 0.78rem;
  color: #94A3B8;
  margin-top: 2px;
}

/* 权益与算力资产卡片 (无emoji纯净极简) */
.nav-user-assets-box {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  padding: 12px 14px;
  margin: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}

.user-asset-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.82rem;
  white-space: nowrap !important;
}

.asset-item-left {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #64748B;
  flex-shrink: 0;
  white-space: nowrap !important;
  font-size: 0.8rem;
  font-weight: 500;
}

.asset-item-icon {
  color: #94A3B8;
  flex-shrink: 0;
}

.asset-value {
  font-weight: 600;
  color: #1E293B;
  white-space: nowrap !important;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  font-size: 0.82rem;
}

.asset-value.highlight {
  color: #00A675;
  font-weight: 700;
}

.asset-value.time-val {
  color: #475569;
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: -0.2px;
}

/* 专属推荐与邀请区域容器 */
.nav-user-refer-box {
  margin-bottom: 12px;
  text-align: left;
}

.refer-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 5px;
}

.refer-box-title {
  font-size: 0.74rem;
  font-weight: 600;
  color: #86909C;
}

.btn-qr-trigger {
  background: #F1F5F9;
  color: #475569;
  border: 1px solid #E2E8F0;
  border-radius: 5px;
  padding: 2px 7px;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.btn-qr-trigger:hover {
  background: #E2E8F0;
  color: #0F172A;
  border-color: #CBD5E1;
}

.btn-qr-trigger:active {
  transform: scale(0.96);
}

.refer-copy-row {
  display: flex;
  align-items: center;
  background: #F8FAFC;
  border-radius: 8px;
  border: 1px solid #E2E8F0;
  padding: 3px 4px 3px 10px;
  gap: 6px;
  height: 36px;
  box-sizing: border-box;
}

.refer-link-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  font-size: 0.74rem;
  color: #64748B;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-copy-refer {
  background: #00C58E;
  color: #FFFFFF;
  border: none;
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 0.74rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
  flex-shrink: 0;
  white-space: nowrap !important;
  box-shadow: 0 1px 3px rgba(0, 197, 142, 0.2);
}

.btn-copy-refer:hover {
  background: #00A675;
  box-shadow: 0 2px 6px rgba(0, 197, 142, 0.3);
}

.btn-copy-refer:active {
  transform: scale(0.97);
}

.nav-user-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-size: 0.84rem;
  color: #64748B;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  border-top: 1px solid #F1F5F9;
  padding-top: 12px;
  margin-top: 4px;
}

.nav-user-menu-item:hover {
  background: #FEF2F2;
  color: #DC2626;
}

/* ==========================================================================
   认证模态框 (Auth Modal) - 参考 WorkBuddy 现代极简商务卡片
   ========================================================================== */

.custom-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.45) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.custom-modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.auth-modal-card {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 38px 34px 32px;
  max-width: 410px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 48px -10px rgba(0, 0, 0, 0.18);
  border: none;
  transform: translateY(18px) scale(0.97);
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.custom-modal-backdrop.show .auth-modal-card {
  transform: translateY(0) scale(1);
}

.auth-modal-card::-webkit-scrollbar {
  width: 5px;
}
.auth-modal-card::-webkit-scrollbar-thumb {
  background: #E2E8F0;
  border-radius: 10px;
}

/* 右上角极简关闭按钮 */
.auth-close-icon-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: #86909C;
  font-size: 1.25rem;
  cursor: pointer;
  transition: color 0.2s ease, transform 0.2s ease;
  line-height: 1;
  z-index: 5;
}

.auth-close-icon-btn:hover {
  color: #1D2129;
  transform: scale(1.05);
}

/* 居中大标题 */
.auth-center-header {
  text-align: center;
  margin-bottom: 24px;
}

.auth-center-title {
  font-size: 1.35rem;
  font-weight: 600;
  color: #1D2129;
  margin: 0;
  letter-spacing: -0.2px;
}

/* 表单容器 */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

/* 参考图核心：一体化浅灰分割输入槽 (Modern Unified Input Row) */
.modern-input-row {
  background: #F4F5F8;
  border-radius: 8px;
  height: 48px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  position: relative;
  transition: background 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
  box-sizing: border-box;
}

.modern-input-row:focus-within {
  background: #FFFFFF;
  box-shadow: 0 0 0 1.5px #1D2129;
}

/* 内部竖线分隔符 */
.modern-input-divider {
  width: 1px;
  height: 18px;
  background: #E5E6EB;
  margin: 0 12px;
  flex-shrink: 0;
}

/* 手机号前缀 (+86 ▾) */
.phone-prefix-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.92rem;
  font-weight: 500;
  color: #1D2129;
  flex-shrink: 0;
  user-select: none;
  cursor: default;
}

.phone-prefix-arrow {
  width: 0;
  height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4.5px solid #4E5969;
  display: inline-block;
  margin-left: 2px;
}

/* 纯净无边框输入框 */
.modern-plain-input {
  flex: 1;
  min-width: 0;
  height: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-size: 0.92rem;
  color: #1D2129;
  padding: 0;
}

.modern-plain-input::placeholder {
  color: #C9CDD4;
  font-size: 0.9rem;
}

/* 获取验证码纯文本按钮 (与参考图右侧一致) */
.btn-inline-text {
  background: transparent;
  border: none;
  padding: 0;
  color: #1D2129;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap !important;
  flex-shrink: 0;
  transition: color 0.2s ease;
}

.btn-inline-text:hover:not(:disabled) {
  color: #00A675;
}

.btn-inline-text:disabled {
  color: #C9CDD4;
  cursor: not-allowed;
}

/* 图形验证码盒子 */
.modern-captcha-box {
  height: 32px;
  width: 88px;
  min-width: 88px;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: #E5E6EB;
}

.modern-captcha-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.modern-captcha-loading {
  font-size: 0.76rem;
  color: #86909C;
}

/* 推荐码锁定状态 */
.modern-input-row.locked {
  background: #ECEEF2 !important;
  box-shadow: none !important;
}

.modern-input-row.locked .modern-plain-input {
  color: #4E5969 !important;
  cursor: not-allowed;
}

.modern-locked-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.76rem;
  color: #00A675;
  font-weight: 600;
  flex-shrink: 0;
  white-space: nowrap !important;
}

/* 参考图同款深炭石墨黑主按钮 */
.btn-auth-dark-primary {
  width: 100%;
  height: 48px;
  margin-top: 14px;
  background: #464648;
  color: #FFFFFF;
  border: none;
  border-radius: 8px;
  font-size: 0.98rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-auth-dark-primary:hover:not(:disabled) {
  background: #2E2E30;
}

.btn-auth-dark-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* 协议许可勾选行 (参考图 1:1) */
.auth-agreement-row {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.agreement-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: #86909C;
  cursor: pointer;
  user-select: none;
  line-height: 1.4;
}

.agreement-checkbox {
  accent-color: #464648;
  cursor: pointer;
  width: 14px;
  height: 14px;
  margin: 0;
}

.agreement-link {
  color: #165DFF;
  text-decoration: none;
}

.agreement-link:hover {
  text-decoration: underline;
}

/* 底部其他方式与模式切换 */
.auth-divider-line {
  display: flex;
  align-items: center;
  margin: 20px 0 14px;
  color: #86909C;
  font-size: 0.78rem;
}

.auth-divider-line::before,
.auth-divider-line::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #E5E6EB;
}

.auth-divider-line span {
  padding: 0 10px;
}

.auth-bottom-switch {
  text-align: center;
  font-size: 0.86rem;
  color: #4E5969;
}

.auth-bottom-switch-link {
  color: #165DFF;
  font-weight: 500;
  cursor: pointer;
  margin-left: 4px;
  text-decoration: none;
}

.auth-bottom-switch-link:hover {
  text-decoration: underline;
}

/* 回退与兼容类名，确保旧页面样式正常 */
.auth-tabs-wrap {
  display: none;
}
.auth-input-box {
  width: 100%;
}
.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.25rem;
  color: #86909C;
  cursor: pointer;
}
.modal-close-btn:hover {
  color: #1D2129;
}
.btn-auth-submit {
  width: 100%;
  height: 48px;
  margin-top: 14px;
  background: #464648;
  color: #FFFFFF;
  border: none;
  border-radius: 8px;
  font-size: 0.98rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-auth-submit:hover:not(:disabled) {
  background: #2E2E30;
}
.btn-auth-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}
.btn-send-sms {
  background: transparent;
  border: none;
  padding: 0;
  color: #1D2129;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap !important;
}
.btn-send-sms:hover:not(:disabled) {
  color: #00A675;
}
.btn-send-sms:disabled {
  color: #C9CDD4;
  cursor: not-allowed;
}
.locked-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.76rem;
  color: #00A675;
  font-weight: 600;
  flex-shrink: 0;
  white-space: nowrap !important;
}
.auth-input.locked {
  background: #ECEEF2 !important;
  color: #4E5969 !important;
  cursor: not-allowed;
}

/* 3. 全局高颜值轻量 Toast 通知 */
.website-toast-container {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.website-toast-item {
  pointer-events: auto;
  min-width: 280px;
  max-width: 440px;
  padding: 12px 18px;
  border-radius: 14px;
  font-size: 0.92rem;
  font-weight: 500;
  box-shadow: 0 16px 36px -8px rgba(15, 23, 42, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
  backdrop-filter: blur(12px);
  animation: toastSlideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toastSlideDown {
  from {
    opacity: 0;
    transform: translateY(-16px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.website-toast-success {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--primary-border);
  color: #065F46;
}

.website-toast-error {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #FECACA;
  color: #991B1B;
}

.website-toast-warning {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #FED7AA;
  color: #9A3412;
}

.website-toast-info {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #BAE6FD;
  color: #075985;
}

.toast-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  /* 导航栏排版与防挤压优化 */
  .nav-wrap {
    height: 58px;
  }

  .nav-actions {
    gap: 6px;
    flex-shrink: 0;
  }

  .nav-auth-group {
    gap: 6px;
    flex-shrink: 0;
  }

  /* 手机端隐藏顶栏下载按钮，避免与登录注册和汉堡按钮挤压换行（首屏中央大按钮和汉堡菜单内已有下载） */
  .nav-actions .btn-nav-download {
    display: none !important;
  }

  .btn-nav-login {
    padding: 4px 8px;
    font-size: 0.84rem;
    white-space: nowrap !important;
  }

  .btn-nav-register {
    padding: 4px 11px;
    font-size: 0.84rem;
    white-space: nowrap !important;
  }

  .nav-user-pill {
    padding: 3px 10px 3px 5px;
    gap: 6px;
  }

  .nav-user-name {
    max-width: 62px;
    font-size: 0.84rem;
  }

  /* 移动端汉堡菜单展开后的操作底栏 */
  .mobile-nav-action-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 14px;
    padding-top: 18px;
    border-top: 1px solid #F1F5F9;
    width: 100%;
  }

  .mobile-menu-auth-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .mobile-menu-btn-login {
    height: 42px;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    color: var(--text-main);
    border-radius: 12px;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .mobile-menu-btn-login:hover {
    background: #EDF2F7;
  }

  .mobile-menu-btn-register {
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    color: #FFFFFF;
    border-radius: 12px;
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 14px var(--primary-glow);
  }

  .mobile-menu-btn-download {
    height: 42px;
    background: #0F172A;
    color: #FFFFFF;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
  }

  .mobile-menu-user-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #F8FAFC;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid #E2E8F0;
    box-sizing: border-box;
    width: 100%;
  }

  .mobile-menu-user-row {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
  }

  .mobile-menu-user-meta {
    display: flex;
    flex-direction: column;
    text-align: left;
    flex: 1;
    min-width: 0;
  }

  .mobile-menu-user-name {
    font-weight: 700;
    font-size: 0.94rem;
    color: var(--text-main);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-menu-user-phone {
    font-size: 0.78rem;
    color: var(--text-muted);
  }

  .mobile-menu-btn-logout {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    color: #DC2626;
    padding: 5px 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s ease;
  }

  .mobile-menu-btn-logout:active {
    background: #FEE2E2;
  }

  /* 移动端资产与权益卡片 */
  .mobile-user-assets-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    background: #FFFFFF;
    border: 1px solid #E5E6EB;
    border-radius: 10px;
    padding: 9px 10px;
  }

  .mobile-asset-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    text-align: left;
    min-width: 0;
  }

  .mobile-asset-item .asset-label {
    font-size: 0.74rem;
    color: #86909C;
    white-space: nowrap;
  }

  .mobile-asset-item .asset-value {
    font-size: 0.82rem;
    font-weight: 600;
    color: #1D2129;
    word-break: break-all;
  }

  .mobile-asset-item .asset-value.highlight {
    color: #00A675;
    font-weight: 700;
  }

  /* 移动端专属推荐链接单行卡片 */
  .mobile-user-refer-box {
    display: flex;
    align-items: center;
    background: #FFFFFF;
    border: 1px solid #E5E6EB;
    border-radius: 8px;
    padding: 3px 4px 3px 10px;
    gap: 6px;
    width: 100%;
    box-sizing: border-box;
  }

  .mobile-user-refer-box .refer-link-input {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: none;
    outline: none;
    font-size: 0.76rem;
    color: #4E5969;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .mobile-user-refer-box .btn-copy-refer {
    background: #00C58E;
    color: #FFFFFF;
    border: none;
    border-radius: 6px;
    padding: 6px 11px;
    font-size: 0.74rem;
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
    white-space: nowrap !important;
    transition: all 0.2s ease;
  }

  .mobile-user-refer-box .btn-copy-refer:active {
    background: #00A675;
    transform: scale(0.97);
  }

  .mobile-user-refer-box .btn-mobile-qr-trigger {
    background: #F1F5F9;
    color: #475569;
    border: 1px solid #E2E8F0;
    border-radius: 6px;
    padding: 5px 8px;
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap !important;
    transition: all 0.2s ease;
    flex-shrink: 0;
  }

  .mobile-user-refer-box .btn-mobile-qr-trigger:active {
    background: #E2E8F0;
    transform: scale(0.97);
  }


  /* 认证模态框手机端全适配 */
  .auth-modal-card {
    padding: 28px 18px 22px;
    border-radius: 16px;
    width: 94%;
    max-width: 390px;
    max-height: 90vh;
  }

  .auth-center-title {
    font-size: 1.2rem;
  }

  .modern-input-row {
    height: 44px;
    padding: 0 10px;
  }

  .modern-input-divider {
    margin: 0 8px;
  }

  .phone-prefix-tag {
    font-size: 0.86rem;
  }

  .modern-plain-input {
    font-size: 0.86rem;
  }

  .btn-inline-text {
    font-size: 0.82rem;
  }

  .modern-captcha-box {
    height: 30px;
    width: 78px;
    min-width: 78px;
  }

  .btn-auth-dark-primary {
    height: 44px;
    font-size: 0.94rem;
  }

  .auth-form {
    gap: 11px;
  }

  .auth-input {
    height: 42px;
    font-size: 0.88rem;
    padding: 0 12px 0 38px;
  }

  .auth-input-icon {
    left: 12px;
    width: 16px;
    height: 16px;
  }

  .captcha-input-group,
  .sms-input-group {
    gap: 8px;
  }

  .captcha-img-box {
    height: 42px;
    width: 98px;
    min-width: 98px;
  }

  .btn-send-sms {
    height: 42px;
    padding: 0 10px;
    font-size: 0.82rem;
    white-space: nowrap !important;
  }

  .auth-input.locked {
    padding-right: 78px !important;
  }

  .locked-badge {
    right: 6px;
    font-size: 0.7rem;
    padding: 2px 5px;
  }

  .btn-auth-submit {
    height: 44px;
    font-size: 0.95rem;
  }

  .website-toast-item {
    min-width: 240px;
    max-width: 92vw;
    padding: 10px 14px;
    font-size: 0.86rem;
  }
}

/* 极窄屏幕设备 (<= 390px, 例如 iPhone SE / 紧凑型手机) */
@media (max-width: 390px) {
  .container {
    padding: 0 10px;
  }

  .brand-name-stacked .text-opc {
    font-size: 1.15rem;
  }

  .nav-actions {
    gap: 4px;
  }

  .btn-nav-login {
    padding: 4px 6px;
    font-size: 0.8rem;
  }

  .btn-nav-register {
    padding: 4px 8px;
    font-size: 0.8rem;
  }

  .captcha-img-box {
    width: 88px;
    min-width: 88px;
  }
}

/* ========================================================
   专属邀请二维码海报弹窗 (Invite QR Code Modal)
   ======================================================== */
.invite-qr-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: qrFadeIn 0.22s ease-out;
}

.invite-qr-modal-card {
  background: #FFFFFF;
  border-radius: 20px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 24px 60px -12px rgba(15, 23, 42, 0.28), 0 0 0 1px rgba(226, 232, 240, 0.8);
  position: relative;
  padding: 28px 24px 22px;
  text-align: center;
  box-sizing: border-box;
  animation: qrScaleUp 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

.invite-qr-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #F1F5F9;
  border: none;
  font-size: 13px;
  color: #64748B;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.invite-qr-close-btn:hover {
  background: #E2E8F0;
  color: #0F172A;
  transform: rotate(90deg);
}

.invite-qr-header {
  margin-bottom: 18px;
}

.invite-qr-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0, 197, 142, 0.1);
  color: #00C58E;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
}

.invite-qr-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 4px;
  letter-spacing: -0.2px;
}

.invite-qr-subtitle {
  font-size: 0.78rem;
  color: #64748B;
  line-height: 1.4;
}

.invite-qr-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.invite-qr-frame {
  width: 210px;
  height: 210px;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 14px;
  padding: 8px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.invite-qr-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: 8px;
}

.invite-qr-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.8rem;
  color: #64748B;
}

.qr-loading-spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid #E2E8F0;
  border-top-color: #00C58E;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.invite-qr-empty {
  font-size: 0.8rem;
  color: #EF4444;
}

.invite-qr-code-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 30px;
  padding: 5px 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.invite-qr-code-pill:hover {
  background: #F1F5F9;
  border-color: #CBD5E1;
  transform: translateY(-1px);
}

.invite-qr-code-pill:active {
  transform: translateY(0);
}

.invite-qr-code-pill .pill-label {
  font-size: 0.74rem;
  color: #64748B;
}

.invite-qr-code-pill .pill-code {
  font-family: 'JetBrains Mono', 'SFMono-Regular', Consolas, Menlo, monospace;
  font-size: 0.92rem;
  font-weight: 700;
  color: #00A675;
  letter-spacing: 0.5px;
}

.invite-qr-code-pill .pill-copy-icon {
  color: #94A3B8;
}

.invite-qr-footer {
  display: flex;
  gap: 10px;
  width: 100%;
}

.btn-qr-download {
  flex: 1;
  height: 38px;
  background: #00C58E;
  color: #FFFFFF;
  border: none;
  border-radius: 9px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 197, 142, 0.22);
}

.btn-qr-download:hover:not(:disabled) {
  background: #00A675;
  box-shadow: 0 4px 12px rgba(0, 197, 142, 0.32);
}

.btn-qr-download:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-qr-copy-link {
  flex: 1;
  height: 38px;
  background: #0F172A;
  color: #FFFFFF;
  border: none;
  border-radius: 9px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-qr-copy-link:hover {
  background: #1E293B;
}

.btn-qr-download:active,
.btn-qr-copy-link:active {
  transform: scale(0.98);
}

@keyframes qrFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes qrScaleUp {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@media (max-width: 480px) {
  .invite-qr-modal-card {
    padding: 24px 18px 20px;
    border-radius: 18px;
    max-width: 320px;
  }

  .invite-qr-frame {
    width: 190px;
    height: 190px;
  }

  .btn-qr-download,
  .btn-qr-copy-link {
    font-size: 0.78rem;
    height: 36px;
  }
}