:root{--ease-out:cubic-bezier(.16,1,.3,1)}
html.motion-ready{scroll-behavior:auto}
body{cursor:default}
.site-header{position:fixed;left:0;right:0;top:0;z-index:999;background:#000!important;backdrop-filter:none;isolation:isolate;transition:transform .6s var(--ease-out),background .3s}
.site-header.scrolled{background:rgba(0,0,0,.96)}
.scroll-progress{position:fixed;right:18px;top:50%;z-index:60;width:2px;height:88px;background:#242831;transform:translateY(-50%)}
.scroll-progress i{position:absolute;left:0;top:0;width:2px;height:100%;background:var(--accent);transform:scaleY(0);transform-origin:top}
.cursor-dot,.cursor-ring{position:fixed;left:0;top:0;z-index:1000;pointer-events:none;border-radius:50%;opacity:0;transition:opacity .2s,width .3s var(--ease-out),height .3s var(--ease-out),background .3s}
.cursor-dot{width:5px;height:5px;background:#fff;margin:-2.5px 0 0 -2.5px}
.cursor-ring{width:34px;height:34px;margin:-17px 0 0 -17px;border:1px solid rgba(255,255,255,.55)}
.cursor-active .cursor-ring{width:54px;height:54px;margin:-27px 0 0 -27px;background:rgba(168,191,223,.12);border-color:var(--accent)}
.pulse-hero{min-height:100svh;padding-top:clamp(118px,14vh,168px);padding-bottom:clamp(74px,10vh,120px);position:relative;display:flex;flex-direction:column;justify-content:space-between;border-bottom:1px solid var(--line);overflow:hidden}
.pulse-hero::after{content:"";position:absolute;left:8%;right:8%;bottom:-118px;height:154px;border-radius:50% 50% 0 0/100% 100% 0 0;background:#d5dce3;opacity:.92;transform:translateY(calc(var(--hero-shift,0)*.16px))}
.pulse-topline{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;color:#9097a1;font-size:13px}
.pulse-topline strong{display:block;color:var(--white);font-weight:560;font-size:15px}
.pulse-stage{width:100%;margin-block:clamp(36px,5vh,72px);transform:translateY(calc(var(--hero-shift,0)*-.12px));will-change:transform}
.pulse-line{display:grid;grid-template-columns:1fr minmax(120px,17vw);align-items:center;line-height:.82}
.pulse-line:nth-child(2){grid-template-columns:minmax(110px,18vw) 1fr}.pulse-line:nth-child(3){grid-template-columns:1fr minmax(150px,23vw)}.pulse-line:nth-child(4){grid-template-columns:minmax(150px,23vw) 1fr}
.pulse-word{font-size:clamp(72px,11.2vw,162px);letter-spacing:-.078em;font-weight:300;color:var(--white);white-space:nowrap}
.pulse-line:nth-child(2) .pulse-word{text-align:right}.pulse-line:nth-child(3) .pulse-word{text-align:left}.pulse-line:nth-child(4) .pulse-word{text-align:right}
.pulse-note{font-size:12px;color:#a5abb4;text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px;justify-self:start;line-height:1.4}
.pulse-line:nth-child(2) .pulse-note{justify-self:end}.pulse-line:nth-child(3) .pulse-note{justify-self:start}.pulse-line:nth-child(4) .pulse-note{justify-self:end}
.pulse-bottom{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;padding-bottom:20px}
.pulse-bottom p{max-width:530px;margin:0;color:#aeb5bf;font-size:clamp(17px,1.55vw,22px);line-height:1.42}
.scroll-cue{display:flex;align-items:center;gap:12px;color:#8d949e;font-size:12px;text-transform:uppercase;letter-spacing:.1em}
.scroll-cue::before{content:"";width:38px;height:1px;background:var(--accent);animation:breathe 1.8s ease-in-out infinite}
@keyframes breathe{50%{width:58px;opacity:.45}}
[data-reveal]{opacity:1;transform:none}
[data-reveal].is-visible{opacity:1;transform:none}
[data-reveal="line"]{opacity:1;transform:none}
[data-reveal="line"].is-visible{opacity:1;transform:none}
.credibility-item,.evidence-proof{transition:background .45s var(--ease-out),transform .45s var(--ease-out)}
.credibility-item:hover,.evidence-proof:hover{background:#171b22;transform:translateY(-8px)}
.button,.arrow-link,.nav-links a,.brand,.contact-row{will-change:transform}
html[lang="zh-CN"] .pulse-word{letter-spacing:-.065em;font-weight:300}
html[lang="zh-CN"] .pulse-line{line-height:.98}
@media(max-width:1040px){.scroll-progress{right:8px}.pulse-word{font-size:clamp(68px,12.8vw,124px)}}
@media(max-width:720px){.cursor-dot,.cursor-ring,.scroll-progress{display:none}.pulse-hero{min-height:100svh;padding-top:112px;padding-bottom:84px}.pulse-topline{font-size:12px}.pulse-topline>span:last-child{text-align:right}.pulse-stage{margin-block:54px}.pulse-line,.pulse-line:nth-child(2),.pulse-line:nth-child(3),.pulse-line:nth-child(4){grid-template-columns:1fr;line-height:.94;margin-bottom:8px}.pulse-word{font-size:clamp(56px,16.5vw,92px);white-space:normal}.pulse-line:nth-child(2) .pulse-word,.pulse-line:nth-child(3) .pulse-word,.pulse-line:nth-child(4) .pulse-word{text-align:left}.pulse-note{display:none}.pulse-bottom{align-items:flex-start;flex-direction:column}.scroll-cue{align-self:flex-end}.pulse-hero::after{bottom:-132px}[data-reveal]{transform:none}}
@media(prefers-reduced-motion:reduce){.scroll-cue::before{animation:none}[data-reveal]{opacity:1;transform:none;clip-path:none}.pulse-stage,.pulse-hero::after{transform:none!important}}
@media(pointer:coarse){.cursor-dot,.cursor-ring{display:none}}
@media(pointer:fine){html.custom-cursor body,html.custom-cursor a,html.custom-cursor button,html.custom-cursor summary,[role="button"]{cursor:none}html.custom-cursor input,html.custom-cursor textarea,html.custom-cursor select{cursor:auto}}

/* V7.1 — clear homepage positioning and standard page scrolling. */
html{scrollbar-width:auto;scrollbar-color:#606975 #000}
html::-webkit-scrollbar{width:12px}
html::-webkit-scrollbar-track{background:#000}
html::-webkit-scrollbar-thumb{background:#606975;border:3px solid #000;border-radius:999px}
.scroll-progress{display:none!important}
.hero-positioning{max-width:1120px;margin-block:clamp(58px,9vh,110px)}
.hero-positioning h1{margin:0;color:var(--white);font-size:clamp(78px,12vw,170px);font-weight:320;line-height:.83;letter-spacing:-.08em}
.hero-role{margin:clamp(28px,4vh,48px) 0 0;color:var(--white);font-size:clamp(34px,4.8vw,68px);font-weight:500;line-height:1;letter-spacing:-.055em}
.hero-value{max-width:920px;margin:clamp(26px,3.5vh,40px) 0 0;color:#c7cdd5;font-size:clamp(22px,2.55vw,37px);line-height:1.28;letter-spacing:-.03em}
.hero-availability{margin:24px 0 0;color:#8f98a4;font-size:14px;line-height:1.5}
.hero-work-link{display:inline-flex;align-items:center;gap:18px;margin-top:34px;padding-bottom:7px;border-bottom:1px solid #697485;color:#f2f4f7;font-size:13px;text-transform:uppercase;letter-spacing:.08em}
.hero-work-link span{color:var(--accent);font-size:18px;transition:transform .25s var(--ease-out)}
.hero-work-link:hover span{transform:translateY(4px)}
.pulse-topline>span:first-child{text-transform:uppercase;letter-spacing:.09em}
.pulse-bottom p{max-width:680px;font-size:14px;letter-spacing:.01em}
.scroll-cue::before{display:none}
.scroll-cue i{display:grid;place-items:center;width:27px;height:34px;border:1px solid #424a55;border-radius:999px;color:var(--accent);font-size:15px;font-style:normal;animation:scroll-down 1.7s ease-in-out infinite}
@keyframes scroll-down{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}
.back-to-top{position:fixed;right:clamp(18px,2.3vw,34px);bottom:clamp(18px,2.3vw,34px);z-index:70;display:grid;place-items:center;width:46px;height:46px;padding:0;border:1px solid #3a424d;border-radius:50%;background:rgba(13,16,20,.88);color:#eef1f5;box-shadow:0 10px 34px rgba(0,0,0,.28);backdrop-filter:blur(12px);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,visibility .25s,transform .35s var(--ease-out),border-color .25s,background .25s}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:none}
.back-to-top:hover{border-color:#7f8c9d;background:#181e26}
.back-to-top svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:720px){.hero-positioning{margin-block:56px}.hero-positioning h1{font-size:clamp(66px,19vw,96px)}.hero-role{font-size:clamp(34px,10vw,50px)}.hero-value{font-size:clamp(21px,6vw,29px)}.hero-availability{font-size:13px}.pulse-bottom{gap:26px}.scroll-cue{align-self:flex-start}.back-to-top{width:42px;height:42px}}
@media(prefers-reduced-motion:reduce){.scroll-cue i{animation:none}.back-to-top{transition:none}}

/* Step 10 — pure-black canvas + restored dial cursor. */
html,body{background:#000!important}
.site-header,.site-header.scrolled{background:#000!important}
.footer{background:#000!important}
@media(max-width:1040px){.nav-links{background:#000!important}}
.cursor-dot,.cursor-ring{mix-blend-mode:difference}
.cursor-dot{width:4px;height:4px;margin:-2px 0 0 -2px;background:#fff}
.cursor-ring{width:32px;height:32px;margin:-16px 0 0 -16px;border:1px solid rgba(255,255,255,.72);box-shadow:inset 0 0 0 1px rgba(255,255,255,.04)}
.cursor-active .cursor-ring{width:50px;height:50px;margin:-25px 0 0 -25px;background:rgba(255,255,255,.07);border-color:#fff}
@media(pointer:coarse),(prefers-reduced-motion:reduce){.cursor-dot,.cursor-ring{display:none!important}}
/* Step 10 — keep the canvas itself truly black across full-width case bands. */
.tlp-responsive-decision::before,
.pp-case-v2 .pp-appointment::before{background:#000!important}
.dp-case-v1,
.dp-case-v1+.case-next{background:#000!important}

/* Step 11 — true-black canvas, circle+dot cursor, stronger weighted scroll baseline. */
:root{--paper:#000!important;--dark:#000!important}
html,body,.page,main{background:#000!important}
.pulse-hero,.page-hero,.conversion-page,.tlp-case-v2,.tlp-case-v3,.oai-case-v2,.oai-case-v3,.pp-case-v1,.pp-case-v2,.dp-case-v1,.support-case{background:#000!important}
/* Pure black means no atmospheric colour wash on the page canvas. */
.pulse-hero::before,.pulse-hero::after{display:none!important}
body::after{display:none!important}
.tlp-responsive-decision::before,.pp-case-v2 .pp-appointment::before{background:#000!important}
/* Restore the remembered cursor: one clean ring + one central dot, no clock hand/ticks. */
.cursor-dot{width:5px;height:5px;margin:-2.5px 0 0 -2.5px;background:#fff;border:0;box-shadow:none}
.cursor-ring{width:36px;height:36px;margin:-18px 0 0 -18px;border:1px solid rgba(255,255,255,.72);background:transparent;box-shadow:none}
.cursor-ring::before,.cursor-ring::after{display:none!important;content:none!important}
.cursor-active .cursor-ring{width:50px;height:50px;margin:-25px 0 0 -25px;background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.92)}