L. 滚动条 & 移动端兜底 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */ .island-scroll-container::-webkit-scrollbar{display:none}body{font-family:var(--bm-font-family);font-size:var(--bm-fs-body);line-height:var(--bm-lh-normal);color:var(--bm-text-primary);background-color:var(--bm-bg-page);-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility}:root{--bm-brand-primary: #FCD131;--bm-brand-primary-hover: #F5C200;--bm-brand-primary-active: #E0B500;--bm-brand-primary-light: #FFE066;--bm-brand-primary-pale: rgba(252, 209, 49, .12);--bm-brand-primary-soft: rgba(252, 209, 49, .2);--bm-cta: #FF7A28;--bm-cta-hover: #E66818;--bm-cta-active: #CC5A0E;--bm-cta-pale: rgba(255, 122, 40, .1);--bm-cta-soft: rgba(255, 122, 40, .18);--bm-price: #FF4D26;--bm-price-hover: #E63E18;--bm-price-soft: #FF7D41;--bm-promo: #FF3300;--bm-promo-pale: rgba(255, 77, 38, .1);--bm-navy: #0D1B2A;--bm-navy-900: #07101A;--bm-navy-800: #1B263B;--bm-navy-700: #2C3E50;--bm-navy-600: #415A77;--bm-navy-500: #5772A0;--bm-gradient-header: linear-gradient(135deg, #0D1B2A 0%, #1A2F3A 45%, #3A3A1A 100%);--bm-bg-page: #F7F7F7;--bm-bg-card: #FFFFFF;--bm-bg-card-alt: #FAFAFA;--bm-bg-elevated: #FFFFFF;--bm-bg-overlay: rgba(0, 0, 0, .45);--bm-bg-disabled: #F2F2F2;--bm-border: #ECECEC;--bm-border-strong: #1A1A1A;--bm-border-active: #FCD131;--bm-text-primary: #1A1A1A;--bm-text-secondary: #4A4A4A;--bm-text-tertiary: #6E6E6E;--bm-text-muted: #8C8C8C;--bm-text-placeholder: #BFBFBF;--bm-text-on-brand: #1A1A1A;--bm-text-on-cta: #FFFFFF;--bm-text-on-dark: #FFFFFF;--bm-text-on-dark-dim: rgba(255, 255, 255, .75);--bm-text-link: #FF7A28;--bm-text-link-hover: #0D1B2A;--bm-text-price: #FF4D26;--bm-text-on-price-bg: #FFFFFF;--bm-accent-red: #FF4D4F;--bm-accent-gold: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);--bm-accent-mint: #95E1B5;--bm-success: #52C41A;--bm-success-bg: #EDFBF2;--bm-success-border: #B7E5C0;--bm-warning: #FFA940;--bm-warning-bg: #FFF7E6;--bm-warning-border: #FFD591;--bm-error: #FF4D4F;--bm-error-bg: #FFF1F0;--bm-error-border: #FFA39E;--bm-info: #1890FF;--bm-info-bg: #E6F4FF;--bm-info-border: #91D5FF;--bm-member-gold: linear-gradient(135deg, #C5A059 0%, #8E7338 100%);--bm-member-gold-shine: linear-gradient(135deg, #FFE5A0 0%, #C5A059 50%, #8E7338 100%);--bm-member-silver: linear-gradient(135deg, #D9D9D9 0%, #8E8E93 100%);--bm-member-black: linear-gradient(135deg, #2C2C2E 0%, #000000 100%);--bm-member-platinum: linear-gradient(135deg, #B8C6DB 0%, #F5F7FA 50%, #C4D0E3 100%);--bm-bg-amber: #FFF3E0;--bm-bg-emerald: #EDFBF2;--bm-bg-blue: #EBF2FF;--bm-bg-yellow: #FFF8E6;--bm-bg-purple: #F3E8FF;--bm-bg-pink: #FFF1F2;--bm-bg-orange: #FFF0E5;--bm-bg-mint: #E6FFED;--bm-bg-cyan: #E6FFFB;--bm-bg-indigo: #F0F0FF;--bm-text-amber: #D97706;--bm-text-emerald: #10B981;--bm-text-blue: #2F6BFF;--bm-text-yellow: #D48806;--bm-text-purple: #9333EA;--bm-text-pink: #E11D48;--bm-text-orange: #EA580C;--bm-text-mint: #16A34A;--bm-text-cyan: #0891B2;--bm-text-indigo: #4F46E5;--bm-navy-90: rgba(13, 27, 42, .9);--bm-navy-83: rgba(13, 27, 42, .83);--bm-navy-82: rgba(13, 27, 42, .82);--bm-navy-60: rgba(13, 27, 42, .6);--bm-navy-40: rgba(13, 27, 42, .4);--bm-navy-20: rgba(13, 27, 42, .2);--bm-navy-08: rgba(13, 27, 42, .08);--bm-navy-04: rgba(13, 27, 42, .04);--bm-navy-03: rgba(13, 27, 42, .03);--bm-brand-90: rgba(252, 209, 49, .9);--bm-brand-50: rgba(252, 209, 49, .5);--bm-brand-20: rgba(252, 209, 49, .2);--bm-brand-12: rgba(252, 209, 49, .12);--bm-brand-08: rgba(252, 209, 49, .08);--bm-orange-90: rgba(255, 122, 40, .9);--bm-orange-20: rgba(255, 122, 40, .2);--bm-orange-10: rgba(255, 122, 40, .1);--bm-black: #000000;--bm-white: #FFFFFF;--bm-transparent: transparent;--bm-color-wechat: #07C160;--bm-color-wechat-blue: #576B95;--bm-color-alipay: #1677FF;--bm-color-favorite: #FF4D4F;--bm-color-favorite-bg: #FFF1F0;--bm-tag-red-bg: #FFF1F0;--bm-tag-red-text: #FF4D4F;--bm-tag-green-bg: #EDFBF2;--bm-tag-green-text: #10B981;--bm-tag-blue-bg: #EBF2FF;--bm-tag-blue-text: #2F6BFF;--bm-tag-yellow-bg: #FFF8E6;--bm-tag-yellow-text: #D48806;--bm-tag-amber-bg: #FFF3E0;--bm-tag-amber-text: #D97706;--bm-tag-purple-bg: #F3E8FF;--bm-tag-purple-text: #9333EA;--bm-tag-navy-bg: #E8EEF5;--bm-tag-navy-text: #1B263B;--bm-overlay-backdrop: rgba(0, 0, 0, .45);--bm-overlay-nav-btn: rgba(0, 0, 0, .45);--bm-overlay-media-header: rgba(0, 0, 0, .35);--bm-overlay-media-fullscreen: rgba(0, 0, 0, .85);--bm-hero-gradient: var(--bm-gradient-header);--bm-gradient-brand: linear-gradient(135deg, #FCD131 0%, #FFE066 100%);--bm-gradient-brand-from: #FCD131;--bm-gradient-brand-to: #FFE066;--bm-gradient-cta: linear-gradient(135deg, #FF7A28 0%, #FF4D26 100%);--bm-gradient-cta-from: #FF7A28;--bm-gradient-cta-to: #FF4D26;--bm-gradient-interactive: var(--bm-gradient-cta);--bm-gradient-navy: linear-gradient(135deg, #0D1B2A 0%, #1B263B 100%);--bm-cream: var(--bm-bg-page);--bm-page-cool: #F0F4FA;--bm-surface-cool: #F0F4FA;--bm-hover: var(--bm-bg-card-alt);--bm-icon-pink: var(--bm-text-pink);--bm-bg-green: var(--bm-bg-emerald);--bm-label-dark: #243047;--bm-border-cool: #E0E8F0;--bm-border-default: var(--bm-border);--bm-pending-orange: var(--bm-warning);--bm-pending-orange-bg: var(--bm-warning-bg);--bm-info-bg: #EBF3FD;--bm-color-active-tab: var(--bm-cta);--bm-color-navy: var(--bm-navy-800)}:root{--background: var(--bm-bg-page);--foreground: var(--bm-text-primary);--card: var(--bm-bg-card);--card-foreground: var(--bm-text-primary);--popover: var(--bm-bg-elevated);--popover-foreground: var(--bm-text-primary);--primary: var(--bm-brand-primary);--primary-foreground: var(--bm-text-on-brand);--secondary: var(--bm-bg-card-alt);--secondary-foreground: var(--bm-text-primary);--muted: var(--bm-bg-card-alt);--muted-foreground: var(--bm-text-muted);--accent: var(--bm-brand-primary-pale);--accent-foreground: var(--bm-text-primary);--destructive: var(--bm-error);--destructive-foreground: var(--bm-text-on-dark);--border: var(--bm-border);--input: var(--bm-border);--ring: var(--bm-brand-primary);--radius: var(--bm-radius-md);--chart-1: var(--bm-cta);--chart-2: var(--bm-brand-primary);--chart-3: var(--bm-price);--chart-4: var(--bm-text-blue);--chart-5: var(--bm-text-purple);--sidebar: var(--bm-bg-card);--sidebar-foreground: var(--bm-text-primary);--sidebar-primary: var(--bm-brand-primary);--sidebar-primary-foreground: var(--bm-text-on-brand);--sidebar-accent: var(--bm-bg-card-alt);--sidebar-accent-foreground: var(--bm-text-primary);--sidebar-border: var(--bm-border);--sidebar-ring: var(--bm-brand-primary)}:root{--bm-radius-none: 0;--bm-radius-xs: 4px;--bm-radius-sm: 8px;--bm-radius-md: 12px;--bm-radius-card: 16px;--bm-radius-lg: 20px;--bm-radius-xl: 24px;--bm-radius-2xl: 30px;--bm-radius-3xl: 40px;--bm-radius-pill: 9999px;--bm-radius-circle: 50%}:root{--bm-shadow-none: none;--bm-shadow-divider: 0 1px 0 0 var(--bm-border);--bm-shadow-card-soft: 0 2px 8px rgba(0, 0, 0, .04);--bm-shadow-card: rgba(20, 40, 80, .07);--bm-shadow-modal: 0 -4px 24px rgba(0, 0, 0, .06);--bm-shadow-modal-up: 0 -8px 32px rgba(0, 0, 0, .12);--bm-shadow-tooltip: 0 4px 12px rgba(0, 0, 0, .08);--bm-shadow-focus: 0 0 0 3px var(--bm-brand-primary-pale);--bm-shadow-elevated: 0 4px 20px rgba(0, 0, 0, .08);--bm-shadow-dialog: 0 8px 32px rgba(0, 0, 0, .12);--bm-shadow-inset: rgba(255, 255, 255, .2) 0px .5px 0px 0px inset, rgba(0, 0, 0, .2) 0px 0px 0px .5px inset, rgba(0, 0, 0, .05) 0px 1px 2px 0px;--bm-shadow-card-legacy: 0 2px 12px rgba(20, 40, 80, .08);--bm-card-shadow: var(--bm-shadow-card-soft)}:root{--bm-font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;--bm-font-family-price: "DIN Alternate", "DIN", "Inter", "Helvetica Neue", system-ui, sans-serif;--bm-font-family-mono: "JetBrains Mono", "Fira Code", "SF Mono", Consolas, monospace;--bm-font-family-display: var(--bm-font-family);--bm-fs-display: 28px;--bm-fs-h1: 20px;--bm-fs-h2: 18px;--bm-fs-h3: 16px;--bm-fs-body: 15px;--bm-fs-caption: 13px;--bm-fs-micro: 11px;--bm-fw-regular: 400;--bm-fw-medium: 500;--bm-fw-semibold: 600;--bm-fw-bold: 700;--bm-fw-heavy: 800;--bm-lh-tight: 1.2;--bm-lh-snug: 1.35;--bm-lh-normal: 1.5;--bm-lh-relaxed: 1.7;--bm-font-size-2xs: 12px;--bm-font-size-xs: 13px;--bm-font-size-sm: 14px;--bm-font-size-base: 15px;--bm-font-size-md: 15px;--bm-font-size-lg: 18px;--bm-font-size-xl: 20px;--bm-font-size-2xl: 24px;--bm-weight-body: 400;--bm-weight-medium: 500;--bm-weight-heading: 600}:root{--bm-space-0: 0;--bm-space-1: 4px;--bm-space-2: 8px;--bm-space-3: 12px;--bm-space-4: 16px;--bm-space-5: 20px;--bm-space-6: 24px;--bm-space-8: 32px;--bm-space-10: 40px;--bm-space-12: 48px;--bm-space-16: 64px;--bm-space-20: 80px;--bm-space-24: 96px;--bm-space-page-x: var(--bm-space-4);--bm-space-page-y: var(--bm-space-4);--bm-space-card-padding: var(--bm-space-4);--bm-space-card-gap: var(--bm-space-3);--bm-space-section-gap: var(--bm-space-6);--bm-space-safe-bottom: env(safe-area-inset-bottom, 0px);--bm-space-safe-top: env(safe-area-inset-top, 0px);--bm-touch-target: 44px;--bm-touch-target-sm: 36px;--bm-touch-target-lg: 52px}:root{--bm-ease-spring: cubic-bezier(.34, 1.56, .64, 1);--bm-ease-spring-soft: cubic-bezier(.25, .46, .45, .94);--bm-ease-smooth: cubic-bezier(.4, 0, .2, 1);--bm-ease-in: cubic-bezier(.4, 0, 1, 1);--bm-ease-out: cubic-bezier(0, 0, .2, 1);--bm-ease-in-out: cubic-bezier(.4, 0, .2, 1);--bm-ease-linear: linear;--bm-duration-fast: .15s;--bm-duration-base: .25s;--bm-duration-slow: .4s;--bm-duration-slower: .6s;--bm-transition: var(--bm-duration-fast) var(--bm-ease-smooth);--bm-transition-base: var(--bm-duration-base) var(--bm-ease-smooth);--bm-transition-spring: var(--bm-duration-base) var(--bm-ease-spring);--bm-transition-slow: var(--bm-duration-slow) var(--bm-ease-smooth)}:root{--bm-interactive: var(--bm-cta);--bm-interactive-light: var(--bm-cta-hover);--bm-interactive-pale: var(--bm-cta-pale);--bm-interactive-border: var(--bm-cta-pale);--bm-interactive-bg: var(--bm-cta-pale);--bm-accent: var(--bm-brand-primary);--bm-accent-light: var(--bm-brand-primary-light);--bm-accent-border: var(--bm-brand-primary-pale);--bm-accent-pale: var(--bm-brand-primary-pale);--bm-color-error: var(--bm-error);--bm-color-error-light: var(--bm-error-bg);--bm-color-error-text: #FECACA;--bm-error-light: #F87171;--bm-color-success: var(--bm-success);--bm-success-light: #95DE64;--bm-font-size-2xs: 12px;--bm-color-primary: var(--bm-cta);--bm-bg: var(--bm-bg-page);--bm-bg-secondary: var(--bm-bg-card-alt);--bm-surface: var(--bm-bg-card);--bm-page: var(--bm-bg-page);--bm-border-passive: var(--bm-border);--bm-gold: #FFD700;--bm-gold-gradient: var(--bm-accent-gold);--bm-silver-gradient: var(--bm-member-silver);--bm-like-color: var(--bm-gold)}K. 关键帧动画 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */ @keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes slideDown{0%{transform:translateY(0)}to{transform:translateY(100%)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes bm-slide-up{0%{opacity:0;transform:translateY(24px)}60%{opacity:1;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@keyframes bm-fade-in{0%{opacity:0}to{opacity:1}}@keyframes bm-scale-in{0%{opacity:0;transform:scale(.92)}60%{opacity:1;transform:scale(1.02)}to{opacity:1;transform:scale(1)}}@keyframes bm-bounce-in{0%{transform:scale(.6)}40%{transform:scale(1.18)}70%{transform:scale(.95)}to{transform:scale(1)}}@keyframes bm-pulse-dot{0%,80%,to{transform:scale(.6);opacity:.45}40%{transform:scale(1);opacity:1}}@keyframes bm-spin{to{transform:rotate(360deg)}}@keyframes bm-skeleton{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes bm-pulse-skeleton{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes bm-shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}J. 工具类（页面/按钮/状态） ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */ .bm-page{min-height:100vh;background-color:var(--bm-bg-page);font-family:var(--bm-font-family);color:var(--bm-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.bm-surface-dark{background:var(--bm-gradient-header);color:var(--bm-text-on-dark)}.bm-btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:var(--bm-space-2);background-color:var(--bm-cta);color:var(--bm-text-on-cta);border:none;border-radius:var(--bm-radius-pill);padding:var(--bm-space-3) var(--bm-space-6);min-height:var(--bm-touch-target);font-family:var(--bm-font-family);font-size:var(--bm-fs-body);font-weight:var(--bm-fw-semibold);line-height:1;cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:background-color var(--bm-transition),transform var(--bm-transition),box-shadow var(--bm-transition);box-shadow:var(--bm-shadow-card-soft)}.bm-btn-primary:hover{background-color:var(--bm-cta-hover)}.bm-btn-primary:active{background-color:var(--bm-cta-active);transform:scale(.98)}.bm-btn-primary:disabled{background-color:var(--bm-bg-disabled);color:var(--bm-text-placeholder);cursor:not-allowed;box-shadow:none}.bm-btn-brand{display:inline-flex;align-items:center;justify-content:center;gap:var(--bm-space-2);background-color:var(--bm-brand-primary);color:var(--bm-text-on-brand);border:none;border-radius:var(--bm-radius-pill);padding:var(--bm-space-3) var(--bm-space-6);min-height:var(--bm-touch-target);font-family:var(--bm-font-family);font-size:var(--bm-fs-body);font-weight:var(--bm-fw-bold);line-height:1;cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:background-color var(--bm-transition),transform var(--bm-transition),box-shadow var(--bm-transition);box-shadow:var(--bm-shadow-card-soft)}.bm-btn-brand:hover{background-color:var(--bm-brand-primary-hover)}.bm-btn-brand:active{background-color:var(--bm-brand-primary-active);transform:scale(.98)}.bm-btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:var(--bm-space-2);background-color:transparent;color:var(--bm-text-link);border:1px solid var(--bm-cta);border-radius:var(--bm-radius-pill);padding:calc(var(--bm-space-3) - 1px) calc(var(--bm-space-6) - 1px);min-height:calc(var(--bm-touch-target) - 2px);font-family:var(--bm-font-family);font-size:var(--bm-fs-body);font-weight:var(--bm-fw-medium);line-height:1;cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:background-color var(--bm-transition),color var(--bm-transition)}.bm-btn-ghost:hover{background-color:var(--bm-cta-pale)}.bm-btn-ghost:active{background-color:var(--bm-cta-soft);transform:scale(.98)}.bm-card{background-color:var(--bm-bg-card);border-radius:var(--bm-radius-card);padding:var(--bm-space-card-padding);box-shadow:var(--bm-shadow-card-soft);transition:box-shadow var(--bm-transition),transform var(--bm-transition)}.bm-card-interactive{cursor:pointer;-webkit-tap-highlight-color:transparent}.bm-card-interactive:active{transform:scale(.99);box-shadow:var(--bm-shadow-card-soft)}.bm-loading{display:flex;justify-content:center;align-items:center;padding:var(--bm-space-12) 0;color:var(--bm-text-muted);font-size:var(--bm-fs-caption)}.bm-skeleton{background:linear-gradient(90deg,var(--bm-bg-card-alt) 0%,var(--bm-navy-04) 50%,var(--bm-bg-card-alt) 100%);background-size:200% 100%;border-radius:var(--bm-radius-sm);animation:bm-skeleton 1.4s var(--bm-ease-smooth) infinite}.bm-badge{display:inline-flex;align-items:center;gap:var(--bm-space-1);padding:2px var(--bm-space-2);border-radius:var(--bm-radius-pill);font-size:var(--bm-fs-micro);font-weight:var(--bm-fw-medium);line-height:1.4;white-space:nowrap}.bm-badge-primary{background-color:var(--bm-cta);color:var(--bm-text-on-cta)}.bm-badge-brand{background-color:var(--bm-brand-primary);color:var(--bm-text-on-brand)}.bm-badge-success{background-color:var(--bm-success-bg);color:var(--bm-success)}.bm-badge-error{background-color:var(--bm-error-bg);color:var(--bm-error)}.bm-badge-warning{background-color:var(--bm-warning-bg);color:var(--bm-warning)}.bm-badge-info{background-color:var(--bm-info-bg);color:var(--bm-info)}.bm-badge-muted{background-color:var(--bm-bg-card-alt);color:var(--bm-text-secondary)}.bm-price{font-family:var(--bm-font-family-price);color:var(--bm-text-price);font-weight:var(--bm-fw-bold);font-variant-numeric:tabular-nums;line-height:1}.bm-price-symbol{font-family:var(--bm-font-family-price);font-size:.7em;font-weight:var(--bm-fw-semibold);margin-right:1px}.bm-anim-fade-in{animation:bm-fade-in var(--bm-duration-base) var(--bm-ease-smooth) both}.bm-anim-slide-up{animation:bm-slide-up var(--bm-duration-slow) var(--bm-ease-spring) both}.bm-anim-scale-in{animation:bm-scale-in var(--bm-duration-base) var(--bm-ease-spring) both}.bm-anim-bounce-in{animation:bm-bounce-in var(--bm-duration-base) var(--bm-ease-spring) both}.bm-skeleton{background:linear-gradient(90deg,var(--bm-bg-card-alt) 0%,var(--bm-navy-04) 50%,var(--bm-bg-card-alt) 100%);background-size:200% 100%;border-radius:var(--bm-radius-sm);animation:bm-pulse-skeleton 1.4s var(--bm-ease-smooth) infinite}.bm-shimmer{background:linear-gradient(90deg,var(--bm-bg-card-alt) 0%,var(--bm-brand-20) 50%,var(--bm-bg-card-alt) 100%);background-size:200% 100%;animation:bm-shimmer 1.6s var(--bm-ease-smooth) infinite}.bm-press{transition:transform var(--bm-duration-fast) var(--bm-ease-smooth),background-color var(--bm-duration-fast) var(--bm-ease-smooth),box-shadow var(--bm-duration-fast) var(--bm-ease-smooth);-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.bm-press:active{transform:scale(.98)}.bm-press-soft{transition:transform var(--bm-duration-fast) var(--bm-ease-smooth),background-color var(--bm-duration-fast) var(--bm-ease-smooth);-webkit-tap-highlight-color:transparent}.bm-press-soft:active{transform:scale(.95)}.bm-transition{transition:all var(--bm-transition)}.bm-transition-base{transition:all var(--bm-transition-base)}.bm-transition-spring{transition:all var(--bm-transition-spring)}.bm-transition-slow{transition:all var(--bm-transition-slow)}.bm-transition-color{transition:color var(--bm-duration-fast) var(--bm-ease-smooth),background-color var(--bm-duration-fast) var(--bm-ease-smooth),border-color var(--bm-duration-fast) 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