._topnav_lmqnr_1{z-index:var(--app-z-header);padding:var(--app-space-3) var(--landing-gutter) 0;position:sticky;top:0}._topnav-shell_lmqnr_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_lmqnr_24{align-items:center;gap:var(--app-space-3);min-height:44px;color:var(--app-text-primary);display:inline-flex}._topnav-logo-mark_lmqnr_32{width:auto;height:34px}._topnav-links_lmqnr_37{background:color-mix(in srgb, var(--app-surface) 68%, transparent);border-radius:999px;align-items:center;gap:.25rem;padding:.35rem;display:none}._topnav-links_lmqnr_37 a{height:44px;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);border-radius:999px;justify-content:center;align-items:center;padding:0 .9rem;font-weight:600;display:inline-flex}._topnav-links_lmqnr_37 a:hover{color:var(--app-text-primary);background:var(--app-action-ghost-bg-hover)}._topnav-links_lmqnr_37 a:focus-visible,._topnav-login_lmqnr_67:focus-visible,._topnav-cta_lmqnr_68:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._topnav-actions_lmqnr_73{align-items:center;gap:.375rem;display:flex}._topnav-login_lmqnr_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_lmqnr_67:hover{color:var(--app-text-primary)}._topnav-cta_lmqnr_68{height:44px;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);border-radius:999px;justify-content:center;align-items:center;padding:0 .875rem;font-weight:700;display:inline-flex}@media (width<=37.4375rem){._topnav-shell_lmqnr_8{gap:.5rem;padding:0 .75rem}._topnav-logo-mark_lmqnr_32{height:30px}._topnav-actions_lmqnr_73>._topnav-login_lmqnr_67,._topnav-actions_lmqnr_73>._topnav-cta_lmqnr_68{display:none}}._topnav-cta_lmqnr_68:hover{background:var(--app-button-primary-hover);transform:translateY(-1px)}@media (width>=56.25rem){._topnav-links_lmqnr_37{display:flex}}._topnav-icon-btn_lmqnr_140{border:1px solid var(--app-border);border-radius:var(--app-radius-sm);background:var(--app-surface);width:44px;height:44px;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_lmqnr_140:hover{background:var(--app-surface-warm);color:var(--app-text-primary)}._topnav-icon-btn_lmqnr_140:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._topnav-icon-btn_lmqnr_140[aria-expanded=true]{background:var(--app-surface-warm);color:var(--app-text-primary)}._topnav-icon-svg_lmqnr_172{width:20px;height:20px}._settings-popover_lmqnr_178{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_lmqnr_190{align-items:center;gap:var(--app-space-3);min-height:44px;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_lmqnr_190:hover{background:var(--app-action-ghost-bg-hover);color:var(--app-text-primary)}._popover-option_lmqnr_190:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._popover-option-active_lmqnr_219{background:var(--app-action-ghost-bg-hover);color:var(--app-text-primary);font-weight:700}._popover-option-icon_lmqnr_225{flex-shrink:0;width:18px;height:18px}._popover-option-locale-tag_lmqnr_231{border-radius:var(--app-radius-sm);background:var(--app-menu-track-surface);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_lmqnr_219 ._popover-option-locale-tag_lmqnr_231{background:var(--app-menu-active-surface);color:var(--app-menu-label-active)}._topnav-menu_lmqnr_252{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_lmqnr_268{flex-direction:column;gap:2px;display:flex}._topnav-menu-links_lmqnr_268 a{min-height:44px;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_lmqnr_268 a:hover{background:var(--app-action-ghost-bg-hover);color:var(--app-text-primary)}._topnav-menu-links_lmqnr_268 a:focus-visible,._topnav-menu-login_lmqnr_294:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._topnav-menu-ctas_lmqnr_299{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_lmqnr_299 ._topnav-cta_lmqnr_68{justify-content:center}._topnav-menu-login_lmqnr_294{min-height:44px;padding:0 var(--app-space-4);border:1px solid var(--app-border);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);border-radius:999px;justify-content:center;align-items:center;font-weight:700;display:flex}._topnav-menu-login_lmqnr_294:hover{background:var(--app-surface-warm)}@media (width>=56.25rem){._topnav-menu-btn_lmqnr_333,._topnav-menu_lmqnr_252{display:none}}._hero_1dlgc_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_1dlgc_1{background:radial-gradient(circle at 76% 10%, var(--app-landing-hero-glow-primary), transparent 34rem), var(--app-bg)}._hero-inner_1dlgc_14{max-width:var(--landing-content-max);align-items:center;gap:clamp(2rem,5vw,4rem);margin:0 auto;display:grid}._hero-copy_1dlgc_22{gap:var(--app-space-5);flex-direction:column;display:flex}._hero-copy_1dlgc_22>*{animation:_hero-copy-enter_1dlgc_1 var(--app-landing-motion-hero-duration) var(--app-landing-motion-ease-enter) both}._hero-copy_1dlgc_22>:first-child{animation-delay:var(--app-landing-motion-hero-delay-first)}._hero-copy_1dlgc_22>:nth-child(2){animation-delay:var(--app-landing-motion-hero-delay-second)}._hero-copy_1dlgc_22>:nth-child(3){animation-delay:var(--app-landing-motion-hero-delay-third)}._hero-copy_1dlgc_22>:nth-child(4){animation-delay:var(--app-landing-motion-hero-delay-fourth)}._hero-copy_1dlgc_22>:nth-child(5){animation-delay:var(--app-landing-motion-hero-delay-fifth)}._hero-eyebrow_1dlgc_53{font-size:var(--app-text-body-sm);letter-spacing:.1em;text-transform:uppercase;color:var(--app-action-accent);margin:0;font-weight:700}._hero_1dlgc_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_1dlgc_73{max-width:34rem;color:var(--app-text-secondary);margin:0;font-size:clamp(1.0625rem,1.7vw,1.2rem);line-height:1.75}._hero-actions_1dlgc_81{flex-wrap:wrap;gap:.875rem;display:flex}._hero-cta-primary_1dlgc_87{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_1dlgc_87:hover{background:var(--app-button-primary-hover);transform:translateY(-1px)}._hero-cta-secondary_1dlgc_109{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_1dlgc_109:hover{border-color:var(--app-border-active);background:var(--app-surface-warm)}._hero-cta-primary_1dlgc_87:focus-visible,._hero-cta-secondary_1dlgc_109:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._hero-note_1dlgc_138{margin:calc(var(--app-space-2) * -1) 0 0;font-size:var(--app-text-body-sm);color:var(--app-text-tertiary);letter-spacing:.01em}._hero-trust_1dlgc_145{gap:var(--app-space-3) var(--app-space-5);padding:var(--app-space-4) 0 0;border-top:1px solid var(--app-border-muted);flex-wrap:wrap;margin:0;list-style:none;display:flex}._hero-trust_1dlgc_145 li{align-items:center;gap:var(--app-space-2);font-size:var(--app-text-body-sm);color:var(--app-text-secondary);font-weight:600;display:flex}._hero-trust-icon_1dlgc_164{width:16px;height:16px;color:var(--app-artwork-accent);flex-shrink:0}html[lang=zh-CN] ._hero_1dlgc_1 h1{max-width:7.5em;font-size:var(--landing-text-hero-zh);line-height:1.14}html[lang=zh-CN] ._hero-lede_1dlgc_73{letter-spacing:.015em;max-width:32rem;line-height:1.85}html[lang=en] ._hero_1dlgc_1 h1{max-width:20ch}._hero-visual_1dlgc_187{justify-content:center;display:flex}@keyframes _hero-copy-enter_1dlgc_1{0%{opacity:0;filter:blur(8px);transform:translateY(14px)}to{opacity:1;filter:blur();transform:translateY(0)}}@keyframes _hero-copy-reduced-enter_1dlgc_1{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){._hero-copy_1dlgc_22>*{animation:_hero-copy-reduced-enter_1dlgc_1 var(--app-landing-motion-reduced-duration) var(--app-motion-ease-reduced) both}}@media (width>=56.25rem){._hero-inner_1dlgc_14{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}}._hero-stage_h1526_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_h1526_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_h1526_15{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}._hero-links_h1526_15 line{stroke:var(--app-border-active);stroke-width:1px;stroke-dasharray:3 4;vector-effect:non-scaling-stroke}._hero-card_h1526_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_h1526_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_h1526_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_h1526_53{align-items:center;gap:var(--app-space-4);display:flex}._hero-card-char_h1526_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_h1526_67{gap:var(--app-space-1);flex-direction:column;display:flex}._hero-card-pinyin_h1526_73{font-size:var(--app-text-h3);letter-spacing:.02em;color:var(--app-identity-accent);margin:0;font-weight:700}._hero-card-gloss_h1526_81{font-size:var(--app-text-body-sm);color:var(--app-text-secondary);margin:0}._hero-card-parts_h1526_87{gap:var(--app-space-2);flex-wrap:wrap;display:flex}._hero-card-part_h1526_87{border:1px solid var(--app-border);background:var(--app-surface-warm);min-height:2rem;font-size:var(--app-text-caption);color:var(--app-text-secondary);border-radius:999px;align-items:center;padding:0 .75rem;font-weight:700;display:inline-flex}._hero-card-example_h1526_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_h1526_116{font-size:var(--app-text-body-lg);color:var(--app-text-primary);margin:0;line-height:1.6}._hero-card-example-en_h1526_123{font-size:var(--app-text-caption);color:var(--app-text-tertiary);margin:0}._hero-card-queue_h1526_129{align-self:flex-start;align-items:center;gap:var(--app-space-2);min-height:2.5rem;padding:0 var(--app-space-4);background:var(--app-artwork-accent-surface);color:var(--app-artwork-accent);font-size:var(--app-text-body-sm);box-shadow:var(--app-shadow-xs);border-radius:999px;font-weight:700;display:inline-flex}._hero-card-queue-icon_h1526_144{width:15px;height:15px}._hero-chip_h1526_149{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_h1526_1 var(--app-landing-motion-float-duration) ease-in-out infinite alternate;border-radius:999px;align-items:center;padding:0 .9rem;font-weight:700;display:none;position:absolute}._hero-chip-first_h1526_165{top:2%;right:0}._hero-chip-second_h1526_170{animation-delay:1.4s;bottom:8%;left:-2%}._hero-chip-third_h1526_176{animation-delay:2.6s;bottom:-2%;right:10%}@keyframes _hero-stage-enter_h1526_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_h1526_1{0%{transform:translateY(0)}to{transform:translateY(-7px)}}@keyframes _hero-chip-float_h1526_1{0%{transform:translateY(0)}to{transform:translateY(-9px)}}@media (width>=37.5rem){._hero-chip_h1526_149{display:inline-flex}}@media (prefers-reduced-motion:reduce){._hero-stage_h1526_3{animation:_hero-stage-reduced-enter_h1526_1 var(--app-landing-motion-reduced-duration) var(--app-motion-ease-reduced) both}._hero-card_h1526_30,._hero-chip_h1526_149{animation:none}}@keyframes _hero-stage-reduced-enter_h1526_1{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-transparency:reduce){._hero-card-example_h1526_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)}}._feature-grid_16wfm_1{padding:var(--landing-section-padding-emphasis)}._section-inner_16wfm_5{max-width:var(--landing-content-max);margin:0 auto}._section-title_16wfm_10{margin:0 0 var(--app-space-10);max-width:42rem;font-size:var(--landing-text-section);letter-spacing:-.04em;color:var(--app-text-primary);font-weight:800;line-height:1.02}._grid_16wfm_20{gap:var(--app-space-4);grid-template-columns:1fr;display:grid}._feature-card_16wfm_26{gap:var(--app-space-4);padding:var(--app-space-6);border-radius:var(--app-radius-2xl);border:1px solid var(--app-border);background:var(--app-card);box-shadow:var(--app-shadow-subtle);transition:border-color var(--app-duration-base) var(--app-ease-standard), box-shadow var(--app-duration-base) var(--app-ease-standard), transform var(--app-duration-base) var(--app-ease-standard);flex-direction:column;display:flex}._feature-card_16wfm_26:hover{border-color:var(--app-border-active);box-shadow:var(--app-shadow-hover);transform:translateY(-3px)}@media (prefers-reduced-motion:reduce){._feature-card_16wfm_26:hover{transform:none}}._feature-card_16wfm_26:focus-within{box-shadow:var(--app-focus-ring);outline:none}._feature-icon_16wfm_58{border-radius:var(--app-radius-xl);border:1px solid var(--app-border-muted);background:radial-gradient(circle at 30% 30%, var(--app-landing-icon-highlight), transparent 44%), var(--app-artwork-accent-surface);width:52px;height:52px;color:var(--app-action-accent);box-shadow:var(--app-shadow-xs);place-items:center;display:grid}._feature-icon-svg_16wfm_72{width:24px;height:24px}._feature-card_16wfm_26:nth-child(2n) ._feature-icon_16wfm_58{background:radial-gradient(circle at 30% 30%, var(--app-landing-icon-highlight), transparent 44%), var(--app-artwork-secondary-surface);color:var(--app-artwork-secondary)}._feature-card_16wfm_26 h3{color:var(--app-text-primary);margin:0;font-size:1.0625rem;font-weight:700}._feature-card_16wfm_26 p{font-size:var(--app-text-body);color:var(--app-text-secondary);margin:0;line-height:1.7}@media (width>=37.5rem){._grid_16wfm_20{grid-template-columns:repeat(2,1fr)}}@media (width>=56.25rem){._grid_16wfm_20{grid-template-columns:repeat(3,1fr)}}._panel-grid_yj2he_1{gap:var(--app-space-4);display:grid}._panel-grid-entry_yj2he_6,._panel-grid-queue_yj2he_7,._panel-grid-explore_yj2he_8{grid-template-columns:1fr}._panel-card_yj2he_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_yj2he_24,._panel-card-top_yj2he_24 ._panel-meta_yj2he_25,._panel-card-top_yj2he_24 ._panel-chip_yj2he_26{align-items:center;display:flex}._panel-card-top_yj2he_24{justify-content:space-between;gap:var(--app-space-3)}._panel-chip_yj2he_26{border:1px solid var(--app-border);background:var(--app-surface-warm);min-height:1.9rem;font-size:var(--app-text-caption);color:var(--app-text-secondary);border-radius:999px;padding:0 .75rem;font-weight:700}._panel-meta_yj2he_25{font-size:var(--app-text-caption);color:var(--app-text-tertiary);font-weight:700}._panel-heading_yj2he_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_yj2he_63{font-size:var(--app-text-caption);letter-spacing:.12em;text-transform:uppercase;color:var(--app-text-tertiary);font-weight:700}._panel-note-card_yj2he_71{justify-content:center}._panel-note_yj2he_71{font-size:var(--app-text-body);color:var(--app-text-secondary);margin:0;line-height:1.7}._panel-entry-main_yj2he_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_yj2he_89{align-items:center;gap:var(--app-space-4);display:flex}._entry-char_yj2he_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_yj2he_103{gap:var(--app-space-1);flex-direction:column;display:flex}._entry-pinyin_yj2he_109{font-size:var(--app-text-h3);letter-spacing:.02em;color:var(--app-action-accent);margin:0;font-weight:700}._entry-gloss_yj2he_117{font-size:var(--app-text-body-sm);color:var(--app-text-secondary);margin:0}._entry-section_yj2he_123{gap:var(--app-space-2);flex-direction:column;display:flex}._entry-parts_yj2he_129,._entry-related_yj2he_130{gap:var(--app-space-2);flex-wrap:wrap;display:flex}._entry-part_yj2he_129,._entry-related-chip_yj2he_137{border:1px solid var(--app-border);background:var(--app-surface-warm);min-height:2rem;font-size:var(--app-text-caption);color:var(--app-text-secondary);border-radius:999px;align-items:center;padding:0 .75rem;font-weight:700;display:inline-flex}._entry-related-chip_yj2he_137{background:var(--app-artwork-accent-surface);color:var(--app-action-accent);border-color:#0000}._entry-example-zh_yj2he_156{font-size:var(--app-text-body-lg);color:var(--app-text-primary);margin:0;line-height:1.6}._entry-example-en_yj2he_163{font-size:var(--app-text-caption);color:var(--app-text-tertiary);margin:0}._queue-list_yj2he_170{gap:var(--app-space-3);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}._queue-row_yj2he_179{align-items:center;gap:var(--app-space-3);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);padding:.8rem 1rem;font-weight:600;display:flex}._queue-dot_yj2he_192{background:var(--app-artwork-accent);border-radius:999px;flex-shrink:0;width:.6rem;height:.6rem}._queue-dot-new_yj2he_200{background:var(--app-artwork-secondary)}._explore-tree_yj2he_205{align-items:flex-start;gap:var(--app-space-3);flex-direction:column;display:flex}._explore-crumbs_yj2he_212{align-items:center;gap:var(--app-space-1);flex-wrap:wrap;display:flex}._explore-crumb-group_yj2he_219{align-items:center;gap:var(--app-space-1);display:inline-flex}._explore-crumb_yj2he_212{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);border-radius:999px;align-items:center;padding:0 .8rem;font-weight:600;display:inline-flex}._explore-crumb-current_yj2he_238{background:var(--app-selection-surface);border-color:var(--app-selection-border);color:var(--app-selection-text);font-weight:700}._explore-crumb-separator_yj2he_245{width:14px;height:14px;color:var(--app-text-tertiary)}._explore-list_yj2he_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}._explore-list-title_yj2he_261{font-size:var(--app-text-h3);color:var(--app-text-primary);font-weight:700}@media (width>=37.5rem){._panel-grid-entry_yj2he_6,._panel-grid-queue_yj2he_7,._panel-grid-explore_yj2he_8{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=56.25rem){._panel-card_yj2he_12{padding:var(--app-space-6)}}._product-experience_13rmp_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_13rmp_7{max-width:var(--landing-content-max);margin:0 auto}._section-title_13rmp_12{margin:0 0 var(--app-space-8);max-width:42rem;font-size:var(--landing-text-section);letter-spacing:-.04em;color:var(--app-text-primary);font-weight:800;line-height:1.02}._tabs_13rmp_22{gap:var(--app-space-1);margin-bottom:var(--app-space-6);border:1px solid var(--app-border);background:color-mix(in srgb, var(--app-surface-muted) 80%, transparent);border-radius:999px;flex-wrap:wrap;padding:.35rem;display:flex}._tab_13rmp_22{min-height:44px;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;border-radius:999px;justify-content:center;align-items:center;padding:0 1rem;font-weight:700;display:inline-flex}._tab_13rmp_22:hover{color:var(--app-text-primary)}._tab_13rmp_22:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._tab_13rmp_22[aria-selected=true]{color:var(--app-text-primary);background:var(--app-card);box-shadow:var(--app-shadow-subtle)}._tab-panels_13rmp_67{gap:var(--app-space-4);flex-direction:column;display:flex}._tab-panel_13rmp_67{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_13rmp_1 var(--app-landing-motion-panel-duration) var(--app-motion-ease-enter) both;padding:clamp(1rem,2vw,1.25rem);overflow:hidden}@keyframes _panel-enter_13rmp_1{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){._tab-panel_13rmp_67{animation:none}}._learning-path_yo3fv_1{padding:var(--landing-section-padding);border-top:1px solid var(--app-border)}._section-inner_yo3fv_6{max-width:var(--landing-content-max);margin:0 auto}._section-title_yo3fv_11{margin:0 0 var(--app-space-10);max-width:680px;font-size:var(--landing-text-section);letter-spacing:-.02em;color:var(--app-text-primary);font-weight:800;line-height:1.1}._path-list_yo3fv_22{gap:var(--app-space-6);flex-direction:column;max-width:44rem;display:flex;position:relative}._path-list_yo3fv_22:before{content:"";border-left:1px dashed var(--app-border-active);position:absolute;top:14px;bottom:14px;left:21px}._path-step_yo3fv_39{gap:var(--app-space-4);align-items:flex-start;display:flex;position:relative}._path-number_yo3fv_46{border-radius:var(--app-radius-md);width:44px;height:44px;color:var(--app-action-accent);background:var(--app-card);border:1px solid var(--app-border-active);box-shadow:var(--app-shadow-xs);flex-shrink:0;place-items:center;font-weight:800;display:grid}._path-content_yo3fv_60{padding:var(--app-space-1) 0 0;flex-direction:column;display:flex}._path-code_yo3fv_66{font-size:var(--app-text-body-sm);color:var(--app-action-accent);font-weight:700}._path-content_yo3fv_60 h3{margin:var(--app-space-1) 0 var(--app-space-2);font-size:var(--app-text-h3);color:var(--app-text-primary);font-weight:700}._path-content_yo3fv_60 p{color:var(--app-text-secondary);margin:0;font-size:.9375rem;line-height:1.6}._path-step_yo3fv_39:focus-within{outline:none}._path-step_yo3fv_39:focus-within ._path-number_yo3fv_46{box-shadow:var(--app-focus-ring)}@media (width>=56.25rem){._path-list_yo3fv_22{gap:var(--app-space-8)}}._how-it-works_1p5wn_1{padding:var(--landing-section-padding);border-top:1px solid var(--app-border)}._section-inner_1p5wn_6{max-width:var(--landing-content-max);margin:0 auto}._section-title_1p5wn_11{margin:0 0 var(--app-space-10);font-size:var(--landing-text-section);letter-spacing:-.02em;color:var(--app-text-primary);font-weight:800;line-height:1.1}._steps_1p5wn_20{gap:var(--app-space-5);grid-template-columns:1fr;display:grid}._step_1p5wn_20{gap:var(--app-space-3);padding:var(--app-space-7);border-radius:var(--app-radius-xl);border:1px solid var(--app-border);background:var(--app-card);box-shadow:var(--app-shadow-subtle);flex-direction:column;display:flex;position:relative}._step-number_1p5wn_38{border-radius:var(--app-radius-md);width:44px;height:44px;color:var(--app-action-accent);background:var(--app-artwork-accent-surface);border:1px solid var(--app-border-muted);place-items:center;font-size:1.25rem;font-weight:800;display:grid}._step_1p5wn_20 h3{color:var(--app-text-primary);margin:0;font-size:1.25rem;font-weight:700}._step_1p5wn_20 p{font-size:var(--app-text-body);color:var(--app-text-secondary);margin:0;line-height:1.6}._step_1p5wn_20:focus-within{box-shadow:var(--app-focus-ring);outline:none}@media (width>=56.25rem){._steps_1p5wn_20{grid-template-columns:repeat(3,1fr)}._step_1p5wn_20:not(:last-child):after{content:"";top:calc(var(--app-space-7) + 22px);left:calc(var(--app-space-7) + 52px);right:calc(var(--app-space-5) * -1 - 8px);border-top:1px dashed var(--app-border-active);position:absolute}}._faq_80jaw_1{padding:var(--landing-section-padding);border-top:1px solid var(--app-border)}._section-inner_80jaw_6{max-width:var(--landing-content-narrow);margin:0 auto}._section-title_80jaw_11{margin:0 0 var(--app-space-8);font-size:var(--landing-text-section);color:var(--app-text-primary);font-weight:800}._faq-list_80jaw_18{flex-direction:column;gap:.625rem;display:flex}._faq-item_80jaw_24{border-radius:var(--app-radius-md-plus);border:1px solid var(--app-border);background:var(--app-card);overflow:hidden}._faq-question_80jaw_31{justify-content:space-between;align-items:center;gap:var(--app-space-3);width:100%;min-height:56px;padding:0 var(--app-space-5);font-size:var(--landing-text-control);color:var(--app-text-primary);text-align:left;cursor:pointer;background:0 0;border:none;font-weight:600;display:flex}._faq-question_80jaw_31:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._faq-chevron_80jaw_53{color:var(--app-text-tertiary);transition:transform var(--app-duration-base) var(--app-ease-standard);flex-shrink:0}._faq-question_80jaw_31[aria-expanded=true] ._faq-chevron_80jaw_53{transform:rotate(180deg)}._faq-answer_80jaw_63{padding:0 var(--app-space-5) var(--app-space-5)}._faq-answer_80jaw_63 p{font-size:var(--app-text-body);color:var(--app-text-secondary);margin:0;line-height:1.6}._final-cta_354j1_1{padding:var(--landing-section-padding);border-top:1px solid var(--app-border)}._cta-inner_354j1_6{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_354j1_6 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_354j1_25{flex-wrap:wrap;justify-content:center;gap:.875rem;display:flex}._cta-primary_354j1_32,._cta-secondary_354j1_33{height:48px;padding:0 var(--app-space-6);border-radius:var(--app-radius-md-plus);font-size:var(--landing-text-control);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_354j1_32{color:var(--app-button-primary-text);background:var(--app-button-primary-bg);box-shadow:var(--app-shadow-subtle)}._cta-primary_354j1_32:hover{background:var(--app-button-primary-hover);transform:translateY(-1px)}._cta-secondary_354j1_33{color:var(--app-text-primary);border:1px solid var(--app-border);background:var(--app-card)}._cta-secondary_354j1_33:hover{border-color:var(--app-border-active);background:var(--app-surface-warm)}._cta-primary_354j1_32:focus-visible,._cta-secondary_354j1_33:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._footer_pzox4_1{padding:var(--app-space-12) var(--landing-gutter) var(--app-space-8);border-top:1px solid var(--app-border)}._footer-inner_pzox4_6{max-width:var(--landing-content-max);gap:var(--app-space-8);grid-template-columns:1fr;margin:0 auto;display:grid}._footer-brand_pzox4_14{gap:var(--app-space-2);flex-direction:column;display:flex}._footer-logo_pzox4_20{width:auto;height:32px}._footer-brand_pzox4_14 p{font-size:var(--app-text-body);color:var(--app-text-tertiary);max-width:280px;margin:0}._footer-col_pzox4_32 h3{margin:0 0 var(--app-space-3);font-size:var(--app-text-body-sm);color:var(--app-text-primary);font-weight:700}._footer-col_pzox4_32 ul{gap:var(--app-space-2);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}._footer-col_pzox4_32 a{min-width:44px;min-height:44px;font-size:var(--app-text-body-sm);color:var(--app-text-secondary);transition:color var(--app-duration-base) var(--app-ease-standard);align-items:center;display:inline-flex}._footer-col_pzox4_32 a:hover{color:var(--app-action-accent)}._footer-col_pzox4_32 a:focus-visible{box-shadow:var(--app-focus-ring);outline:none}._footer-bottom_pzox4_67{max-width:var(--landing-content-max);margin:var(--app-space-8) auto 0;padding-top:var(--app-space-6);border-top:1px solid var(--app-border-muted);font-size:var(--app-text-caption);color:var(--app-text-muted)}@media (width>=37.5rem){._footer-inner_pzox4_6{grid-template-columns:2fr 1fr}}._landing_u3xyv_1{--landing-content-max:73.75rem;--landing-content-narrow:47.5rem;--landing-gutter:clamp(1.25rem, 4vw, 3.5rem);--landing-section-padding:clamp(3rem, 8vw, 6rem) var(--landing-gutter);--landing-section-padding-emphasis:clamp(3.5rem, 9vw, 7rem) var(--landing-gutter);--landing-hero-padding:clamp(3rem, 8vw, 6rem) var(--landing-gutter) clamp(2.5rem, 7vw, 5rem);--landing-text-hero:clamp(2.05rem, 4vw, 3.05rem);--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_u3xyv_1 :is(h1,h2,h3,h4,button,a){font-family:var(--font-brand-ui)}._landing_u3xyv_1 :is(h1,h2){font-family:var(--font-brand-display);letter-spacing:-.015em;text-wrap:balance;font-weight:700}._landing_u3xyv_1 h2{font-size:var(--landing-text-section);line-height:1.08}._landing_u3xyv_1 p{text-wrap:pretty}._landing_u3xyv_1 :is(strong,[class*=value],[class*=score],[class*=amount]){font-variant-numeric:tabular-nums}html[lang=zh-CN] ._landing_u3xyv_1{letter-spacing:.01em;line-break:strict}html[lang=zh-CN] ._landing_u3xyv_1 :is(h1,h2){letter-spacing:0}html[lang=zh-CN] ._landing_u3xyv_1 h3{letter-spacing:-.01em;font-weight:600}._landing_u3xyv_1 main>section{scroll-margin-top:7rem}@supports (animation-timeline:view()){._landing_u3xyv_1 main>section:not(:first-child)>*{animation:_landing-reveal_u3xyv_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_u3xyv_1{0%{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){._landing_u3xyv_1 main>section>*{animation:none}}@media (prefers-reduced-transparency:reduce){._landing_u3xyv_1{background:var(--app-bg)}}