._topnav_l8hli_1{z-index:var(--app-z-header);padding:var(--app-space-3) var(--landing-gutter) 0;position:sticky;top:0}._topnav-shell_l8hli_8{justify-content:space-between;align-items:center;gap:var(--app-space-4);min-height:72px;max-width:var(--landing-content-max);padding:0 var(--app-space-4);border:1px solid var(--app-border);border-radius:var(--app-radius-3xl);background:color-mix(in srgb, var(--app-surface-warm) 88%, transparent);box-shadow:var(--app-shadow-subtle);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);margin:0 auto;display:flex}._topnav-logo_l8hli_24{align-items:center;gap:var(--app-space-3);min-height:var(--app-touch-target);color:var(--app-text-primary);display:inline-flex}._topnav-logo-mark_l8hli_32{width:auto;height:34px}._topnav-links_l8hli_37{align-items:center;gap:var(--app-space-1);border-radius:var(--app-radius-pill);background:color-mix(in srgb, var(--app-surface) 68%, transparent);padding:.35rem;display:none}._topnav-links_l8hli_37 a{height:var(--app-touch-target);border-radius:var(--app-radius-pill);font-size:var(--app-text-body);color:var(--app-text-secondary);transition:background-color var(--app-duration-base) var(--app-ease-standard), color var(--app-duration-base) var(--app-ease-standard);justify-content:center;align-items:center;padding:0 .9rem;font-weight:600;display:inline-flex}._topnav-links_l8hli_37 a:hover{color:var(--app-text-primary);background:var(--app-action-ghost-bg-hover)}._topnav-links_l8hli_37 a:focus-visible,._topnav-login_l8hli_67:focus-visible,._topnav-cta_l8hli_68:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._topnav-actions_l8hli_73{align-items:center;gap:.375rem;display:flex}._topnav-login_l8hli_67{font-size:var(--app-text-body);color:var(--app-text-secondary);white-space:nowrap;transition:color var(--app-duration-base) var(--app-ease-standard);align-items:center;font-weight:600;display:inline-flex}._topnav-login_l8hli_67:hover{color:var(--app-text-primary)}._topnav-cta_l8hli_68{height:var(--app-touch-target);border-radius:var(--app-radius-pill);font-size:var(--app-text-body);color:var(--app-button-primary-text);background:var(--app-button-primary-bg);box-shadow:var(--app-shadow-subtle);white-space:nowrap;transition:background var(--app-duration-base) var(--app-ease-standard), transform var(--app-duration-fast) var(--app-ease-standard);justify-content:center;align-items:center;padding:0 .875rem;font-weight:700;display:inline-flex}@media (width<37.5rem){._topnav-shell_l8hli_8{gap:var(--app-space-2);padding:0 var(--app-space-3)}._topnav-logo-mark_l8hli_32{height:30px}._topnav-actions_l8hli_73>._topnav-login_l8hli_67,._topnav-actions_l8hli_73>._topnav-cta_l8hli_68{display:none}}._topnav-cta_l8hli_68:hover{background:var(--app-button-primary-hover);transform:translateY(-1px)}@media (width>=56.25rem){._topnav-links_l8hli_37{display:flex}}._topnav-icon-btn_l8hli_141{width:var(--app-touch-target);height:var(--app-touch-target);border:1px solid var(--app-border);border-radius:var(--app-radius-sm);background:var(--app-surface);color:var(--app-text-secondary);cursor:pointer;transition:background-color var(--app-duration-base) var(--app-ease-standard), color var(--app-duration-base) var(--app-ease-standard), transform var(--app-duration-fast) var(--app-ease-standard);justify-content:center;align-items:center;display:inline-flex}._topnav-icon-btn_l8hli_141:hover{background:var(--app-surface-warm);color:var(--app-text-primary)}._topnav-icon-btn_l8hli_141:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._topnav-icon-btn_l8hli_141[aria-expanded=true]{background:var(--app-surface-warm);color:var(--app-text-primary)}._topnav-icon-svg_l8hli_173{width:20px;height:20px}._settings-popover_l8hli_179{width:min(100vw - 24px,220px);padding:var(--app-space-2);border-radius:var(--app-radius-xl);border:1px solid var(--app-border-muted);background:var(--app-overlay-popover-surface);box-shadow:var(--app-shadow-floating);flex-direction:column;gap:2px;display:flex}._popover-option_l8hli_191{align-items:center;gap:var(--app-space-3);min-height:var(--app-touch-target);padding:0 var(--app-space-3);border-radius:var(--app-radius-md);color:var(--app-text-secondary);font-size:var(--app-text-body);text-align:left;cursor:pointer;transition:background-color var(--app-duration-base) var(--app-ease-standard), color var(--app-duration-base) var(--app-ease-standard);background:0 0;border:none;font-weight:600;display:flex}._popover-option_l8hli_191:hover{background:var(--app-action-ghost-bg-hover);color:var(--app-text-primary)}._popover-option_l8hli_191:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._popover-option-active_l8hli_220{background:var(--app-action-ghost-bg-hover);color:var(--app-text-primary);font-weight:700}._popover-option-icon_l8hli_226{flex-shrink:0;width:18px;height:18px}._popover-option-locale-tag_l8hli_232{border-radius:var(--app-radius-sm);background:var(--app-control-track-bg);min-width:32px;height:22px;color:var(--app-text-secondary);flex-shrink:0;justify-content:center;align-items:center;padding:0 6px;font-size:.75rem;font-weight:700;display:inline-flex}._popover-option-active_l8hli_220 ._popover-option-locale-tag_l8hli_232{background:var(--app-menu-active-surface);color:var(--app-menu-label-active)}._topnav-menu_l8hli_253{top:100%;right:var(--landing-gutter);left:var(--landing-gutter);gap:var(--app-space-2);margin-top:var(--app-space-2);padding:var(--app-space-2);border:1px solid var(--app-border-muted);border-radius:var(--app-radius-xl);background:var(--app-overlay-popover-surface);box-shadow:var(--app-shadow-floating);flex-direction:column;display:flex;position:absolute}._topnav-menu-links_l8hli_269{flex-direction:column;gap:2px;display:flex}._topnav-menu-links_l8hli_269 a{min-height:var(--app-touch-target);padding:0 var(--app-space-3);border-radius:var(--app-radius-md);font-size:var(--app-text-body);color:var(--app-text-secondary);transition:background-color var(--app-duration-base) var(--app-ease-standard), color var(--app-duration-base) var(--app-ease-standard);align-items:center;font-weight:600;display:flex}._topnav-menu-links_l8hli_269 a:hover{background:var(--app-action-ghost-bg-hover);color:var(--app-text-primary)}._topnav-menu-links_l8hli_269 a:focus-visible,._topnav-menu-login_l8hli_295:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._topnav-menu-ctas_l8hli_300{gap:var(--app-space-2);padding-top:var(--app-space-2);border-top:1px solid var(--app-border-muted);flex-direction:column;display:flex}._topnav-menu-ctas_l8hli_300 ._topnav-cta_l8hli_68{justify-content:center}._topnav-menu-login_l8hli_295{min-height:var(--app-touch-target);padding:0 var(--app-space-4);border:1px solid var(--app-border);border-radius:var(--app-radius-pill);background:var(--app-surface);font-size:var(--app-text-body);color:var(--app-text-primary);transition:background-color var(--app-duration-base) var(--app-ease-standard), color var(--app-duration-base) var(--app-ease-standard);justify-content:center;align-items:center;font-weight:700;display:flex}._topnav-menu-login_l8hli_295:hover{background:var(--app-surface-warm)}@media (width>=56.25rem){._topnav-menu-btn_l8hli_334,._topnav-menu_l8hli_253{display:none}}._hero_1bcai_1{padding:var(--landing-hero-padding);background:radial-gradient(circle at 80% 10%, var(--app-landing-hero-glow-primary), transparent 30rem), var(--app-bg)}[data-theme=dark] ._hero_1bcai_1{background:radial-gradient(circle at 76% 10%, var(--app-landing-hero-glow-primary), transparent 34rem), var(--app-bg)}._hero-inner_1bcai_14{max-width:var(--landing-content-max);gap:var(--app-landing-hero-gap);align-items:center;margin:0 auto;display:grid}._hero-copy_1bcai_22{gap:var(--app-space-5);flex-direction:column;display:flex}._hero-copy_1bcai_22>*{animation:_hero-copy-enter_1bcai_1 var(--app-landing-motion-hero-duration) var(--app-landing-motion-ease-enter) both}._hero-copy_1bcai_22>:first-child{animation-delay:var(--app-landing-motion-hero-delay-first)}._hero-copy_1bcai_22>:nth-child(2){animation-delay:var(--app-landing-motion-hero-delay-second)}._hero-copy_1bcai_22>:nth-child(3){animation-delay:var(--app-landing-motion-hero-delay-third)}._hero_1bcai_1 h1{max-width:12ch;font-size:var(--landing-text-hero);letter-spacing:-.025em;color:var(--app-text-primary);white-space:pre-line;margin:0;font-weight:800;line-height:1.08}._hero-lede_1bcai_56{max-width:34rem;font-size:var(--app-landing-text-lede);color:var(--app-text-secondary);margin:0;line-height:1.75}._hero-actions_1bcai_64{flex-wrap:wrap;gap:.875rem;display:flex}._hero-cta-primary_1bcai_70{height:48px;padding:0 var(--app-space-6);border-radius:var(--app-radius-md-plus);font-size:var(--landing-text-control);color:var(--app-button-primary-text);background:var(--app-button-primary-bg);box-shadow:var(--app-shadow-subtle);transition:background var(--app-duration-base) var(--app-ease-standard), transform var(--app-duration-fast) var(--app-ease-standard);justify-content:center;align-items:center;font-weight:700;display:inline-flex}._hero-cta-primary_1bcai_70:hover{background:var(--app-button-primary-hover);transform:translateY(-1px)}._hero-cta-secondary_1bcai_92{height:48px;padding:0 var(--app-space-6);border-radius:var(--app-radius-md-plus);font-size:var(--landing-text-control);color:var(--app-text-primary);border:1px solid var(--app-border);background:var(--app-card);box-shadow:var(--app-shadow-xs);transition:border-color var(--app-duration-base) var(--app-ease-standard), background var(--app-duration-base) var(--app-ease-standard);justify-content:center;align-items:center;font-weight:700;display:inline-flex}._hero-cta-secondary_1bcai_92:hover{border-color:var(--app-border-active);background:var(--app-surface-warm)}._hero-cta-primary_1bcai_70:focus-visible,._hero-cta-secondary_1bcai_92:focus-visible{box-shadow:var(--app-focus-ring);outline:none}html[lang=zh-CN] ._hero_1bcai_1 h1{max-width:7.5em;font-size:var(--landing-text-hero-zh);line-height:1.14}html[lang=zh-CN] ._hero-lede_1bcai_56{letter-spacing:.015em;max-width:32rem;line-height:1.85}html[lang=en] ._hero_1bcai_1 h1{max-width:20ch}._hero-visual_1bcai_137{justify-content:center;display:flex}@keyframes _hero-copy-enter_1bcai_1{0%{opacity:0;filter:blur(8px);transform:translateY(14px)}to{opacity:1;filter:blur();transform:translateY(0)}}@keyframes _hero-copy-reduced-enter_1bcai_1{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){._hero-copy_1bcai_22>*{animation:_hero-copy-reduced-enter_1bcai_1 var(--app-landing-motion-reduced-duration) var(--app-motion-ease-reduced) both}}@media (width>=56.25rem){._hero-inner_1bcai_14{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}}._hero-stage_f31l2_3{border-radius:calc(var(--app-radius-3xl) + 8px);background-image:radial-gradient(var(--app-border-muted) 1px, transparent 1.5px);width:min(100%,480px);animation:_hero-stage-enter_f31l2_1 var(--app-landing-motion-hero-duration) var(--app-landing-motion-mockup-delay) var(--app-landing-motion-ease-enter) both;background-position:50%;background-size:1.4rem 1.4rem;padding:clamp(.5rem,2vw,1.5rem);position:relative}._hero-links_f31l2_15{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}._hero-links_f31l2_15 line{stroke:var(--app-border-active);stroke-width:1px;stroke-dasharray:3 4;vector-effect:non-scaling-stroke}._hero-card_f31l2_30{gap:var(--app-space-4);border-radius:calc(var(--app-radius-3xl) + 4px);border:1px solid var(--app-border);background:radial-gradient(circle at 100% 0%, var(--app-landing-mockup-glow), transparent 42%), var(--app-card);box-shadow:var(--app-shadow-floating);animation:_hero-card-float_f31l2_1 var(--app-landing-motion-float-duration) ease-in-out var(--app-landing-motion-float-delay) infinite alternate;flex-direction:column;padding:clamp(1.25rem,3vw,1.75rem);display:flex;position:relative}[data-theme=dark] ._hero-card_f31l2_30{box-shadow:var(--app-shadow-floating), 0 0 0 1px var(--app-landing-mockup-ring), 0 24px 80px var(--app-landing-mockup-shadow)}._hero-card-head_f31l2_53{align-items:center;gap:var(--app-space-4);display:flex}._hero-card-char_f31l2_59{font-family:var(--font-brand-display);color:var(--app-text-primary);font-size:clamp(4rem,9vw,5.5rem);font-weight:700;line-height:1}._hero-card-reading_f31l2_67{gap:var(--app-space-1);flex-direction:column;display:flex}._hero-card-pinyin_f31l2_73{font-size:var(--app-text-h3);letter-spacing:.02em;color:var(--app-identity-accent);margin:0;font-weight:700}._hero-card-gloss_f31l2_81{font-size:var(--app-text-body-sm);color:var(--app-text-secondary);margin:0}._hero-card-parts_f31l2_87{gap:var(--app-space-2);flex-wrap:wrap;display:flex}._hero-card-part_f31l2_87{min-height:2rem;padding:0 var(--app-space-3);border-radius:var(--app-radius-pill);border:1px solid var(--app-border);background:var(--app-surface-warm);font-size:var(--app-text-caption);color:var(--app-text-secondary);align-items:center;font-weight:700;display:inline-flex}._hero-card-example_f31l2_106{gap:var(--app-space-1);padding:var(--app-space-4);border:1px solid var(--app-border);border-radius:var(--app-radius-2xl);background:color-mix(in srgb, var(--app-surface-warm) 88%, transparent);flex-direction:column;display:flex}._hero-card-example-zh_f31l2_116{font-size:var(--app-text-body-lg);color:var(--app-text-primary);margin:0;line-height:1.6}._hero-card-example-en_f31l2_123{font-size:var(--app-text-caption);color:var(--app-text-tertiary);margin:0}._hero-card-queue_f31l2_129{align-self:flex-start;align-items:center;gap:var(--app-space-2);min-height:2.5rem;padding:0 var(--app-space-4);border-radius:var(--app-radius-pill);background:var(--app-button-primary-bg);color:var(--app-button-primary-text);font-size:var(--app-text-body-sm);box-shadow:var(--app-shadow-xs);font-weight:700;display:inline-flex}._hero-card-queue-icon_f31l2_144{width:15px;height:15px}._hero-chip_f31l2_149{border-radius:var(--app-radius-pill);border:1px solid var(--app-border);background:var(--app-card);min-height:2.25rem;font-size:var(--app-text-body-sm);color:var(--app-text-primary);box-shadow:var(--app-shadow-subtle);animation:_hero-chip-float_f31l2_1 var(--app-landing-motion-float-duration) ease-in-out infinite alternate;align-items:center;padding:0 .9rem;font-weight:700;display:none;position:absolute}._hero-chip-first_f31l2_165{top:2%;right:0}._hero-chip-second_f31l2_170{animation-delay:1.4s;bottom:8%;left:-2%}._hero-chip-third_f31l2_176{animation-delay:2.6s;bottom:-2%;right:10%}@keyframes _hero-stage-enter_f31l2_1{0%{opacity:0;filter:blur(8px);transform:translateY(20px)scale(.985)}to{opacity:1;filter:blur();transform:translateY(0)scale(1)}}@keyframes _hero-card-float_f31l2_1{0%{transform:translateY(0)}to{transform:translateY(-7px)}}@keyframes _hero-chip-float_f31l2_1{0%{transform:translateY(0)}to{transform:translateY(-9px)}}@media (width>=37.5rem){._hero-chip_f31l2_149{display:inline-flex}}@media (prefers-reduced-motion:reduce){._hero-stage_f31l2_3{animation:_hero-stage-reduced-enter_f31l2_1 var(--app-landing-motion-reduced-duration) var(--app-motion-ease-reduced) both}._hero-card_f31l2_30,._hero-chip_f31l2_149{animation:none}}@keyframes _hero-stage-reduced-enter_f31l2_1{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-transparency:reduce){._hero-card-example_f31l2_106{background:var(--app-surface-warm)}}._stats-strip_1anum_1{padding:clamp(1.75rem, 5vw, 2.75rem) var(--landing-gutter)}._stats-inner_1anum_5{max-width:var(--landing-content-max);border:1px solid var(--app-border);border-radius:var(--app-radius-3xl);background:color-mix(in srgb, var(--app-surface-warm) 90%, transparent);box-shadow:var(--app-shadow-subtle);grid-template-columns:repeat(2,1fr);gap:1px;margin:0 auto;padding:1px;display:grid;overflow:hidden}._stat-item_1anum_19{gap:var(--app-space-1);min-height:100%;padding:var(--app-space-5);text-align:center;background:color-mix(in srgb, var(--app-surface) 88%, transparent);flex-direction:column;display:flex}._stat-value_1anum_29{color:var(--app-text-primary);letter-spacing:-.02em;font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:800;line-height:1.15}._stat-label_1anum_37{font-size:var(--app-text-body-sm);color:var(--app-text-tertiary);font-weight:600;line-height:1.55}@media (width>=37.5rem){._stats-inner_1anum_5{grid-template-columns:repeat(4,1fr)}}@media (width>=56.25rem){._stat-item_1anum_19{padding:var(--app-space-6)}}._panel-grid_10m28_1{gap:var(--app-space-4);display:grid}._panel-grid-entry_10m28_6,._panel-grid-queue_10m28_7,._panel-grid-library_10m28_8{grid-template-columns:1fr}._panel-card_10m28_12{gap:var(--app-space-4);min-height:100%;padding:var(--app-space-5);border:1px solid var(--app-border);border-radius:var(--app-radius-2xl);background:color-mix(in srgb, var(--app-surface) 90%, transparent);box-shadow:var(--app-shadow-subtle);flex-direction:column;display:flex}._panel-card-top_10m28_24,._panel-card-top_10m28_24 ._panel-meta_10m28_25,._panel-card-top_10m28_24 ._panel-chip_10m28_26{align-items:center;display:flex}._panel-card-top_10m28_24{justify-content:space-between;gap:var(--app-space-3)}._panel-chip_10m28_26{min-height:1.9rem;padding:0 var(--app-space-3);border-radius:var(--app-radius-pill);border:1px solid var(--app-border);background:var(--app-surface-warm);font-size:var(--app-text-caption);color:var(--app-text-secondary);font-weight:700}._panel-meta_10m28_25{font-size:var(--app-text-caption);color:var(--app-text-tertiary);font-weight:700}._panel-heading_10m28_53{letter-spacing:-.03em;max-width:28rem;color:var(--app-text-primary);margin:0;font-size:clamp(1.25rem,2vw,1.6rem);font-weight:800;line-height:1.15}._panel-side-heading_10m28_63{font-size:var(--app-text-caption);letter-spacing:.12em;text-transform:uppercase;color:var(--app-text-tertiary);font-weight:700}._panel-note-card_10m28_71{justify-content:center}._panel-note_10m28_71{font-size:var(--app-text-body);color:var(--app-text-secondary);margin:0;line-height:1.7}._panel-entry-main_10m28_83{background:radial-gradient(circle at 100% 0%, var(--app-landing-mockup-glow), transparent 42%), color-mix(in srgb, var(--app-surface) 90%, transparent)}._entry-head_10m28_89{align-items:center;gap:var(--app-space-4);display:flex}._entry-char_10m28_95{font-family:var(--font-brand-display);color:var(--app-text-primary);font-size:clamp(3.5rem,7vw,5rem);font-weight:700;line-height:1}._entry-reading_10m28_103{gap:var(--app-space-1);flex-direction:column;display:flex}._entry-pinyin_10m28_109{font-size:var(--app-text-h3);letter-spacing:.02em;color:var(--app-action-accent);margin:0;font-weight:700}._entry-gloss_10m28_117{font-size:var(--app-text-body-sm);color:var(--app-text-secondary);margin:0}._entry-section_10m28_123{gap:var(--app-space-2);flex-direction:column;display:flex}._entry-parts_10m28_129,._entry-related_10m28_130{gap:var(--app-space-2);flex-wrap:wrap;display:flex}._entry-part_10m28_129,._entry-related-chip_10m28_137{min-height:2rem;padding:0 var(--app-space-3);border-radius:var(--app-radius-pill);border:1px solid var(--app-border);background:var(--app-surface-warm);font-size:var(--app-text-caption);color:var(--app-text-secondary);align-items:center;font-weight:700;display:inline-flex}._entry-related-chip_10m28_137{background:var(--app-artwork-accent-surface);color:var(--app-action-accent);border-color:#0000}._entry-example-zh_10m28_156{font-size:var(--app-text-body-lg);color:var(--app-text-primary);margin:0;line-height:1.6}._entry-example-en_10m28_163{font-size:var(--app-text-caption);color:var(--app-text-tertiary);margin:0}._queue-list_10m28_170{gap:var(--app-space-3);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}._queue-row_10m28_179{align-items:center;gap:var(--app-space-3);padding:.8rem var(--app-space-4);border:1px solid var(--app-border);border-radius:var(--app-radius-xl);background:var(--app-surface);font-size:var(--app-text-body);color:var(--app-text-primary);font-weight:600;display:flex}._queue-dot_10m28_192{border-radius:var(--app-radius-pill);background:var(--app-artwork-accent);flex-shrink:0;width:.6rem;height:.6rem}._queue-dot-new_10m28_200{background:var(--app-artwork-secondary)}._library-tree_10m28_205{align-items:flex-start;gap:var(--app-space-3);flex-direction:column;display:flex}._library-crumbs_10m28_212{align-items:center;gap:var(--app-space-1);flex-wrap:wrap;display:flex}._library-crumb-group_10m28_219{align-items:center;gap:var(--app-space-1);display:inline-flex}._library-crumb_10m28_212{border-radius:var(--app-radius-pill);border:1px solid var(--app-border);background:var(--app-surface);min-height:2.1rem;font-size:var(--app-text-body-sm);color:var(--app-text-secondary);align-items:center;padding:0 .8rem;font-weight:600;display:inline-flex}._library-crumb-current_10m28_238{background:var(--app-selection-surface);border-color:var(--app-selection-border);color:var(--app-selection-text);font-weight:700}._library-crumb-separator_10m28_245{width:14px;height:14px;color:var(--app-text-tertiary)}._library-list_10m28_251{gap:var(--app-space-2);padding:var(--app-space-4);border:1px solid var(--app-border);border-radius:var(--app-radius-xl);background:var(--app-surface-warm);flex-direction:column;display:flex}._library-list-title_10m28_261{font-size:var(--app-text-h3);color:var(--app-text-primary);font-weight:700}@media (width>=37.5rem){._panel-grid-entry_10m28_6,._panel-grid-queue_10m28_7,._panel-grid-library_10m28_8{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=56.25rem){._panel-card_10m28_12{padding:var(--app-space-6)}}._product-experience_25nwi_1{padding:var(--landing-section-padding-emphasis);border-top:1px solid var(--app-border);background:color-mix(in srgb, var(--app-surface-warm) 55%, var(--app-bg))}._section-inner_25nwi_7{max-width:var(--landing-content-max);margin:0 auto}._tabs_25nwi_12{gap:var(--app-space-1);margin-bottom:var(--app-space-6);border:1px solid var(--app-border);border-radius:var(--app-radius-pill);background:color-mix(in srgb, var(--app-surface-muted) 80%, transparent);flex-wrap:wrap;padding:.35rem;display:flex}._tab_25nwi_12{min-height:var(--app-touch-target);padding:0 var(--app-space-4);border-radius:var(--app-radius-pill);font-size:var(--app-text-body-sm);color:var(--app-text-secondary);cursor:pointer;transition:background-color var(--app-duration-base) var(--app-ease-standard), color var(--app-duration-base) var(--app-ease-standard), box-shadow var(--app-duration-base) var(--app-ease-standard);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;font-weight:700;display:inline-flex}._tab_25nwi_12:hover{color:var(--app-text-primary)}._tab_25nwi_12:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._tab_25nwi_12[aria-selected=true]{color:var(--app-text-primary);background:var(--app-card);box-shadow:var(--app-shadow-subtle)}._tab-panels_25nwi_57{gap:var(--app-space-4);flex-direction:column;display:flex}._tab-panel_25nwi_57{border:1px solid var(--app-border);border-radius:var(--app-radius-3xl);background:var(--app-card);box-shadow:var(--app-shadow-floating);animation:_panel-enter_25nwi_1 var(--app-landing-motion-panel-duration) var(--app-motion-ease-enter) both;padding:clamp(1rem,2vw,1.25rem);overflow:hidden}@keyframes _panel-enter_25nwi_1{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){._tab-panel_25nwi_57{animation:none}}._final-cta_12cgl_1{padding:var(--landing-section-padding);border-top:1px solid var(--app-border)}._cta-char_12cgl_6{margin:0 0 var(--app-space-4);font-family:var(--font-brand-display);color:var(--app-text-primary);animation:_cta-char-return_12cgl_1 var(--app-landing-motion-hero-duration) var(--app-landing-motion-ease-enter) both;font-size:clamp(4.5rem,12vw,7rem);font-weight:700;line-height:1}._cta-queue-note_12cgl_17{margin:0 0 var(--app-space-6);border-radius:var(--app-radius-pill);background:var(--app-artwork-accent-surface);min-height:2rem;color:var(--app-artwork-accent);font-size:var(--app-text-caption);align-items:center;padding:0 .9rem;font-weight:700;display:inline-flex}@keyframes _cta-char-return_12cgl_1{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){._cta-char_12cgl_6{animation:none}}._cta-inner_12cgl_47{max-width:var(--landing-content-narrow);text-align:center;border-radius:var(--app-radius-3xl);border:1px solid var(--app-border);background:var(--app-landing-cta-surface);box-shadow:var(--app-shadow-hover);margin:0 auto;padding:clamp(2rem,5vw,3rem)}._cta-inner_12cgl_47 h2{margin:0 0 var(--app-space-6);font-size:var(--landing-text-section);color:var(--app-text-primary);font-weight:800;line-height:1.1}._cta-actions_12cgl_66{flex-wrap:wrap;justify-content:center;gap:.875rem;display:flex}._cta-primary_12cgl_73{height:48px;padding:0 var(--app-space-6);border-radius:var(--app-radius-md-plus);font-size:var(--landing-text-control);color:var(--app-button-primary-text);background:var(--app-button-primary-bg);box-shadow:var(--app-shadow-subtle);transition:background var(--app-duration-base) var(--app-ease-standard), transform var(--app-duration-fast) var(--app-ease-standard);justify-content:center;align-items:center;font-weight:700;display:inline-flex}._cta-primary_12cgl_73:hover{background:var(--app-button-primary-hover);transform:translateY(-1px)}._cta-primary_12cgl_73:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._footer_1dw50_1{padding:var(--app-space-10) var(--landing-gutter) var(--app-space-8);border-top:1px solid var(--app-border)}._footer-brand_1dw50_6{align-items:center;gap:var(--app-space-2);text-align:center;flex-direction:column;display:flex}._footer-logo_1dw50_14{width:auto;height:32px}._footer-brand_1dw50_6 p{font-size:var(--app-text-body);color:var(--app-text-tertiary);margin:0}._footer-bottom_1dw50_25{max-width:var(--landing-content-max);margin:var(--app-space-8) auto 0;padding-top:var(--app-space-5);border-top:1px solid var(--app-border-muted);font-size:var(--app-text-caption);color:var(--app-text-muted);text-align:center}._landing_n1riz_1{--landing-content-max:var(--app-container-landing);--landing-content-narrow:47.5rem;--landing-gutter:var(--app-landing-gutter);--landing-section-padding:var(--app-landing-section-pad) var(--landing-gutter);--landing-section-padding-emphasis:var(--app-landing-section-pad-emphasis) var(--landing-gutter);--landing-hero-padding:var(--app-landing-section-pad) var(--landing-gutter) var(--app-landing-hero-pad-bottom);--landing-text-hero:var(--app-landing-text-hero);--landing-text-hero-zh:clamp(1.85rem, 3.4vw, 2.6rem);--landing-text-section:clamp(1.5rem, 2.8vw, 2.05rem);--landing-text-control:.9375rem;background:var(--app-bg);font-family:var(--font-brand-ui);font-kerning:normal;font-optical-sizing:auto;font-synthesis:none;text-rendering:optimizelegibility;overflow:clip}._landing_n1riz_1 :is(h1,h2,h3,h4,button,a){font-family:var(--font-brand-ui)}._landing_n1riz_1 :is(h1,h2){font-family:var(--font-brand-display);letter-spacing:-.015em;text-wrap:balance;font-weight:700}._landing_n1riz_1 h2{font-size:var(--landing-text-section);line-height:1.08}._landing_n1riz_1 p{text-wrap:pretty}._landing_n1riz_1 :is(strong,[class*=value],[class*=score],[class*=amount]){font-variant-numeric:tabular-nums}html[lang=zh-CN] ._landing_n1riz_1{letter-spacing:.01em;line-break:strict}html[lang=zh-CN] ._landing_n1riz_1 :is(h1,h2){letter-spacing:0}html[lang=zh-CN] ._landing_n1riz_1 h3{letter-spacing:-.01em;font-weight:600}._landing_n1riz_1 main>section{scroll-margin-top:7rem}@supports (animation-timeline:view()){._landing_n1riz_1 main>section:not(:first-child)>*{animation:_landing-reveal_n1riz_1 var(--app-landing-motion-scroll-reveal-duration) var(--app-landing-motion-ease-scroll) both;animation-timeline:view();animation-range:entry 5% cover 30%}}@keyframes _landing-reveal_n1riz_1{0%{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){._landing_n1riz_1 main>section>*{animation:none}}@media (prefers-reduced-transparency:reduce){._landing_n1riz_1{background:var(--app-bg)}}