:root{--section-padding-y:100px;--section-padding-y-mobile:60px;--section-padding-x:24px;--section-padding-x-mobile:20px;--section-headline-margin-top:48px;--section-content-max-width:920px;--section-headline-size:2.2rem;--section-headline-size-mobile:1.6rem;--section-kicker-size:0.75rem;--section-lead-size:1.1rem;--section-lead-size-mobile:1rem;--section-bg-default:var(--surface-0,#0c1320);--section-bg-alt:var(--surface-1,#121a2a);--section-bg-highlight:var(--surface-2,#1a2438);--section-bg-action:var(--surface-2,#1a2438);--indicator-bg:rgba(20,24,35,0.55);--indicator-blur:blur(28px) saturate(1.6);--indicator-active-color:var(--accent,#f59e0b);--indicator-inactive-color:rgba(234,242,255,0.45);--indicator-border:rgba(255,255,255,0.12);--indicator-highlight:rgba(255,255,255,0.06);--indicator-shadow:0 8px 32px rgba(0,0,0,0.32),0 1px 0 var(--indicator-highlight) inset;--section-divider:rgba(255,255,255,0.04)}.page-section{padding:var(--section-padding-y) var(--section-padding-x);position:relative;scroll-margin-top:80px;background:var(--section-bg-default)}.page-section .section-inner{max-width:var(--section-content-max-width);margin:0 auto}.page-section--default{background:var(--section-bg-default)}.page-section--alt{background:var(--section-bg-alt)}.page-section--highlight{background:var(--section-bg-highlight)}.page-section--action{background:radial-gradient(ellipse at top,rgba(245,158,11,0.06) 0%,transparent 60%),var(--section-bg-action)}.page-section+.page-section{border-top:1px solid var(--section-divider)}.section-kicker{display:inline-block;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:var(--section-kicker-size);font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:var(--accent,#f59e0b);margin:0 0 12px;padding:4px 10px;background:rgba(245,158,11,0.08);border-radius:4px}.section-headline{font-size:var(--section-headline-size);font-weight:800;letter-spacing:-0.02em;line-height:1.12;margin:0 0 16px;color:var(--text-primary,#eaf2ff)}.section-lead{font-size:var(--section-lead-size);color:var(--text-secondary,rgba(234,242,255,0.7));line-height:1.55;margin:0 0 32px;max-width:760px}.section-body{color:var(--text-primary,#eaf2ff);line-height:1.65}.section-body>*+*{margin-top:1em}.section-sources{margin-top:32px;padding:12px 16px;background:rgba(255,255,255,0.02);border-left:2px solid rgba(245,158,11,0.4);border-radius:4px;font-size:0.85rem;color:var(--text-tertiary,rgba(234,242,255,0.5))}.section-sources strong{color:var(--text-secondary,rgba(234,242,255,0.7));font-weight:600}.section-indicator{position:fixed;top:50%;right:0;bottom:auto;left:auto;transform:translateY(-50%);z-index:50;background:radial-gradient( ellipse at center left,rgba(255,255,255,0.05) 0%,transparent 65% ),linear-gradient( to right,rgba(20,28,44,0.96) 0%,rgba(12,18,30,0.94) 100% );-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:18px 0 0 18px;border-top:1px solid rgba(255,255,255,0.2);border-left:1px solid rgba(255,255,255,0.2);border-bottom:1px solid rgba(255,255,255,0.2);border-right:none;box-shadow:-16px 0 48px rgba(0,0,0,0.42),inset 1px 0 0 rgba(255,255,255,0.16),inset -1px 0 0 rgba(0,0,0,0.24);padding:10px 14px 10px 12px;display:flex;flex-direction:column;gap:2px;max-width:200px;opacity:0;pointer-events:none;transition:opacity 0.55s ease,transform 0.7s cubic-bezier(0.32,0.72,0,1)}@supports not(backdrop-filter:blur(1px)){.section-indicator{background:rgba(20,24,35,0.96)}}.section-indicator.is-visible{opacity:1;pointer-events:auto}@media(min-width:769px){.section-indicator.is-idle{transform:translateY(-50%) translateX(calc(100% + 4px));opacity:0;pointer-events:none}.section-indicator.is-visible:not(.is-idle){transform:translateY(-50%) translateX(0)}}@supports not(backdrop-filter:blur(1px)){.section-indicator{background:rgba(20,24,35,0.95)}}.section-indicator.is-visible{opacity:1;pointer-events:auto}.indicator-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:8px;cursor:pointer;transition:background 0.2s,color 0.2s;text-decoration:none;color:var(--indicator-inactive-color);font-size:0.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.indicator-item:hover{background:rgba(255,255,255,0.04);color:var(--text-secondary,rgba(234,242,255,0.7))}.indicator-item.is-active{background:rgba(245,158,11,0.1);color:var(--indicator-active-color);font-weight:600}.indicator-dot{width:6px;height:6px;border-radius:50%;background:var(--indicator-inactive-color);flex-shrink:0;transition:background 0.2s,transform 0.2s}.indicator-item:hover .indicator-dot{background:var(--text-secondary,rgba(234,242,255,0.7))}.indicator-item.is-active .indicator-dot{background:var(--indicator-active-color);transform:scale(1.4)}.indicator-num{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:0.7rem;opacity:0.6;flex-shrink:0}.page-quickjump{position:relative;display:inline-block}.quickjump-trigger{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:8px;color:var(--text-secondary,rgba(234,242,255,0.7));font-size:0.9rem;font-weight:500;cursor:pointer;transition:background 0.2s,border-color 0.2s}.quickjump-trigger:hover{background:rgba(255,255,255,0.06);border-color:rgba(245,158,11,0.3)}.quickjump-trigger::after{content:"";width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;transition:transform 0.2s}.page-quickjump[data-open="true"] .quickjump-trigger::after{transform:rotate(180deg)}.quickjump-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:240px;background:var(--indicator-bg);-webkit-backdrop-filter:var(--indicator-blur);backdrop-filter:var(--indicator-blur);border:1px solid var(--indicator-border);border-radius:10px;padding:8px;list-style:none;margin:0;z-index:60;display:none;box-shadow:var(--indicator-shadow)}.page-quickjump[data-open="true"] .quickjump-menu{display:block}.quickjump-menu li{margin:0}.quickjump-menu a{display:flex;align-items:center;gap:10px;padding:10px 14px;text-decoration:none;color:var(--text-secondary,rgba(234,242,255,0.7));font-size:0.9rem;border-radius:6px;transition:background 0.15s,color 0.15s}.quickjump-menu a:hover{background:rgba(245,158,11,0.08);color:var(--accent,#f59e0b)}.quickjump-menu a .indicator-num{opacity:0.5}@supports(animation-timeline:view()){.page-section .section-inner{animation:section-reveal linear;animation-timeline:view();animation-range:entry 0% cover 25%}}@supports not(animation-timeline:view()){.page-section .section-inner{opacity:0;transform:translateY(20px);transition:opacity 0.6s ease-out,transform 0.6s ease-out}.page-section.is-in-view .section-inner{opacity:1;transform:translateY(0)}}@keyframes section-reveal{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.page-section{padding:var(--section-padding-y-mobile) var(--section-padding-x-mobile)}.section-headline{font-size:var(--section-headline-size-mobile)}.section-lead{font-size:var(--section-lead-size-mobile)}.section-indicator{top:auto;right:0;left:0;bottom:0;transform:translateY(0);flex-direction:row;max-width:none;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;padding:8px 6px max(env(safe-area-inset-bottom, 0px), 14px);border-radius:22px 22px 0 0;gap:4px;scroll-snap-type:x mandatory;scroll-behavior:smooth;scrollbar-width:none;background:radial-gradient( ellipse 100% 60% at 50% 0%,rgba(255,255,255,0.12) 0%,rgba(255,255,255,0.05) 40%,transparent 80% ),linear-gradient(180deg,rgba(12,19,32,0.92) 0%,rgba(12,19,32,0.94) 100% );-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid rgba(255,255,255,0.18);border-bottom:none;border-left:none;border-right:none;box-shadow:0 -16px 48px rgba(0,0,0,0.42),inset 0 1px 0 rgba(255,255,255,0.16),inset 0 -1px 0 rgba(255,255,255,0.04)}.section-indicator::before{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(180deg,rgba(12,19,32,0.92) 0%,rgba(12,19,32,0.94) 100% );pointer-events:none;z-index:-1}.section-indicator::-webkit-scrollbar{display:none}@supports not(backdrop-filter:blur(1px)){.section-indicator,.section-indicator::before{background:rgba(12,19,32,0.92)}}.indicator-item{flex:0 0 calc((100% - 8px) / 3);flex-direction:row;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:8px 10px;scroll-snap-align:center;border-radius:8px}.indicator-item span:not(.indicator-num):not(.indicator-dot){font-size:0.78rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.indicator-item .indicator-num{font-size:0.65rem;opacity:0.7}.indicator-item .indicator-dot{width:6px;height:6px;flex-shrink:0}.indicator-item.is-active .indicator-num{opacity:1;font-weight:700}.section-indicator.is-idle{transform:translateY(calc(100% + 4px));opacity:0;pointer-events:none}.section-indicator.is-visible:not(.is-idle){transform:translateY(0)}.quickjump-menu{position:fixed;top:auto;left:0;right:0;bottom:0;width:100%;min-width:0;max-height:60vh;overflow-y:auto;border-radius:16px 16px 0 0;padding:12px;box-shadow:0 -12px 32px rgba(0,0,0,0.4)}.quickjump-menu a{padding:14px 16px;min-height:48px}}@media(prefers-reduced-motion:reduce){.page-section .section-inner{animation:none !important;transition:none !important;opacity:1 !important;transform:none !important}.section-indicator{transition:none !important}.indicator-item,.indicator-dot{transition:none !important}}
/* HOTFIX v2.10 — Section-Indicator scrollbar-clean + hidden-items truly invisible */
.section-indicator{overflow:hidden !important;scrollbar-width:none !important}
.section-indicator::-webkit-scrollbar{display:none !important;width:0 !important;height:0 !important;background:transparent !important}
.section-indicator *::-webkit-scrollbar{display:none !important}
.indicator-item[style*="display: none"],.indicator-item.is-hidden{display:none !important;height:0 !important;padding:0 !important;margin:0 !important;visibility:hidden !important;border:0 !important}