.device-tutorial-page{--capture-accent:#f62e59;--capture-ink:#171717;--capture-paper:#f7f7f4;--capture-line:#d9d9d4;--capture-muted:#6b6b67}
.capture-basics{padding:94px 0 102px;background:#f4f4f1}
.capture-basics-head{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:70px;align-items:end}
.capture-basics-head h2{max-width:760px;margin:18px 0 0;font-size:clamp(38px,4.6vw,64px);font-weight:520;line-height:1.08;letter-spacing:-.052em}
.capture-basics-head p{max-width:650px;margin:0;color:#646460;font-size:14px;line-height:1.9}
.capture-basics-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:56px;border-top:1px solid var(--capture-line);border-bottom:1px solid var(--capture-line)}
.capture-basic{min-height:245px;padding:27px 30px;border-right:1px solid var(--capture-line)}
.capture-basic:first-child{padding-left:0}.capture-basic:last-child{border-right:0}
.capture-basic>span{color:var(--capture-accent);font:700 10px DM Mono,monospace;letter-spacing:.13em}
.capture-basic h3{margin:43px 0 14px;font-size:21px;letter-spacing:-.025em}
.capture-basic p{margin:0;color:#676763;font-size:12px;line-height:1.8}
.capture-basic strong{color:#171717}
.capture-course-note{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:32px;padding:18px 22px;background:#171717;color:#fff}
.capture-course-note b{font-size:13px}.capture-course-note span{color:#b7b7b3;font-size:11px;line-height:1.7;text-align:right}
.device-card[data-video-verified="true"]{position:relative}
.device-card[data-video-verified="true"]:after{content:"视频教程已核对";position:absolute;top:28px;right:28px;color:#777772;font:700 9px DM Mono,monospace;letter-spacing:.08em}
.device-card[data-video-verified="true"]:hover:after{color:#fff}

.motion-guide{margin:0 0 54px;border:1px solid #d5d5d0;background:#fff;overflow:hidden}
.motion-guide.is-dark{border-color:#ffffff1f;background:#20201f;color:#fff}
.motion-guide-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:48px;align-items:end;padding:31px 36px;border-bottom:1px solid #e2e2dd}
.motion-guide.is-dark .motion-guide-head{border-color:#ffffff18}
.motion-guide-eyebrow{display:block;color:var(--capture-accent);font:700 10px DM Mono,monospace;letter-spacing:.14em}
.motion-guide-head h3{margin:13px 0 0;font-size:clamp(26px,3vw,40px);font-weight:530;line-height:1.16;letter-spacing:-.04em}
.motion-guide-head p{margin:0;color:#686864;font-size:12px;line-height:1.8}
.motion-guide.is-dark .motion-guide-head p{color:#b8b8b4}
.motion-guide-body{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);min-height:410px}
.motion-canvas{position:relative;min-height:410px;padding:24px;background:#191918;overflow:hidden}
.motion-canvas:after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 55% 45%,transparent 0 38%,#00000033 100%)}
.motion-canvas svg{position:relative;z-index:1;display:block;width:100%;height:100%;min-height:360px}
.motion-outline{fill:none;stroke:#777773;stroke-width:2}
.motion-surface{fill:#242422;stroke:#777773;stroke-width:2}
.motion-path{fill:none;stroke:var(--capture-accent);stroke-width:5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:12 12;animation:capture-dash 12s linear infinite}
.motion-path-soft{fill:none;stroke:#a978ff;stroke-width:3;stroke-linecap:round;stroke-dasharray:8 10;animation:capture-dash 16s linear infinite reverse}
.motion-ray{fill:none;stroke:#ffffff5a;stroke-width:1.5;stroke-dasharray:5 8}
.motion-point{fill:var(--capture-accent);stroke:#fff;stroke-width:2}
.motion-point-soft{fill:#a978ff;stroke:#fff;stroke-width:2}
.motion-camera{fill:#f3f3ef;stroke:#171717;stroke-width:2}
.motion-danger{fill:none;stroke:#ffcc55;stroke-width:3;stroke-dasharray:7 8}
.motion-label{fill:#d7d7d2;font:700 12px DM Mono,monospace;letter-spacing:.04em}
.motion-label-accent{fill:#ff7993}.motion-label-muted{fill:#8e8e89;font:600 10px DM Mono,monospace}
.motion-pulse{transform-box:fill-box;transform-origin:center;animation:capture-pulse 2.2s ease-in-out infinite}
.motion-guide-list{display:flex;flex-direction:column;margin:0;padding:0;background:#f4f4f1;list-style:none}
.motion-guide.is-dark .motion-guide-list{background:#171717}
.motion-guide-list li{display:grid;grid-template-columns:34px 1fr;gap:13px;padding:23px 24px;border-bottom:1px solid #d9d9d4;flex:1}
.motion-guide.is-dark .motion-guide-list li{border-color:#ffffff17}
.motion-guide-list li:last-child{border-bottom:0}
.motion-guide-list li>span{color:var(--capture-accent);font:700 10px DM Mono,monospace}
.motion-guide-list b{display:block;margin-bottom:7px;font-size:14px}
.motion-guide-list p{margin:0;color:#676763;font-size:11px;line-height:1.72}
.motion-guide.is-dark .motion-guide-list p{color:#aaa9a5}

.capture-spec-strip{display:grid;grid-template-columns:repeat(4,1fr);margin:0 0 54px;border-top:1px solid #d6d6d1;border-bottom:1px solid #d6d6d1}
.capture-spec{min-height:142px;padding:23px 24px;border-right:1px solid #d6d6d1}
.capture-spec:first-child{padding-left:0}.capture-spec:last-child{border-right:0}
.capture-spec span{display:block;color:#888883;font:700 9px DM Mono,monospace;letter-spacing:.12em}
.capture-spec b{display:block;margin:27px 0 8px;font-size:17px}
.capture-spec p{margin:0;color:#6a6a66;font-size:10px;line-height:1.65}
.device-guide-dark .capture-spec-strip{border-color:#ffffff20}
.device-guide-dark .capture-spec{border-color:#ffffff20}
.device-guide-dark .capture-spec span,.device-guide-dark .capture-spec p{color:#a8a8a4}
.device-guide-dark .capture-spec b{color:#fff}
.capture-warning{display:grid;grid-template-columns:180px 1fr;gap:40px;margin-top:38px;padding:26px 28px;border-left:4px solid #ffcc55;background:#fff8dd}
.capture-warning>span{color:#8d6811;font:700 10px DM Mono,monospace;letter-spacing:.12em}
.capture-warning p{margin:0;color:#5f5845;font-size:12px;line-height:1.8}
.capture-warning strong{color:#171717}
.device-guide-dark .capture-warning{background:#2a281f}.device-guide-dark .capture-warning p{color:#cac5ad}.device-guide-dark .capture-warning strong{color:#fff}

.phone-mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-bottom:54px;background:#d7d7d2;border:1px solid #d7d7d2}
.phone-mode-switch article{padding:31px;background:#fff}
.phone-mode-switch span{color:var(--capture-accent);font:700 10px DM Mono,monospace;letter-spacing:.12em}
.phone-mode-switch h3{margin:17px 0 11px;font-size:24px}.phone-mode-switch p{margin:0;color:#676763;font-size:12px;line-height:1.8}
.phone-mode-switch ul{margin:20px 0 0;padding:0;list-style:none}.phone-mode-switch li{padding:9px 0;border-top:1px solid #e3e3df;color:#555552;font-size:11px;line-height:1.6}
.phone-mode-switch strong{color:#171717}

.tutorial-source-note{margin:44px auto 0;padding-top:21px;border-top:1px solid #dadad5;color:#858580;font-size:10px;line-height:1.75}
.device-guide-dark .tutorial-source-note{border-color:#ffffff1d;color:#8f8f8b}

@keyframes capture-dash{to{stroke-dashoffset:-240}}
@keyframes capture-pulse{0%,100%{opacity:.45;transform:scale(.78)}50%{opacity:1;transform:scale(1.22)}}
@media (prefers-reduced-motion:reduce){.motion-path,.motion-path-soft,.motion-pulse{animation:none}.motion-canvas animateMotion{display:none}}
@media (max-width:900px){.capture-basics-head,.motion-guide-head{grid-template-columns:1fr;gap:24px}.capture-basics-grid{grid-template-columns:1fr}.capture-basic,.capture-basic:first-child{min-height:auto;padding:25px 0;border-right:0;border-bottom:1px solid var(--capture-line)}.capture-basic:last-child{border-bottom:0}.capture-basic h3{margin-top:25px}.motion-guide-body{grid-template-columns:1fr}.motion-canvas{min-height:350px}.capture-spec-strip{grid-template-columns:1fr 1fr}.capture-spec:nth-child(2){border-right:0}.capture-spec:nth-child(-n+2){border-bottom:1px solid #d6d6d1}.capture-spec:nth-child(3){padding-left:0}.capture-warning{grid-template-columns:1fr;gap:12px}}
@media (max-width:600px){.capture-basics{padding:68px 0}.capture-course-note{display:block}.capture-course-note span{display:block;margin-top:10px;text-align:left}.phone-mode-switch{grid-template-columns:1fr}.motion-guide-head{padding:25px 22px}.motion-canvas{min-height:300px;padding:10px}.motion-canvas svg{min-height:280px}.capture-spec-strip{grid-template-columns:1fr}.capture-spec,.capture-spec:nth-child(3){min-height:auto;padding:22px 0;border-right:0;border-bottom:1px solid #d6d6d1}.capture-spec:last-child{border-bottom:0}.capture-spec b{margin-top:18px}.capture-warning{padding:22px}.device-card[data-video-verified="true"]:after{top:26px;right:22px}}

/* Phone tutorial: editorial learning sequence */
.phone-lesson-page .phone-guide{background:#fff;color:#171717}
.phone-story-hero{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(360px,.64fr);gap:clamp(70px,9vw,150px);align-items:end;padding:clamp(92px,10vw,142px) 0 108px}
.phone-story-hero-copy h1{max-width:850px;margin:23px 0 28px;font-size:clamp(56px,6vw,88px);font-weight:520;line-height:.99;letter-spacing:-.067em}
.phone-story-hero-copy h1 em{display:inline;color:var(--capture-accent);font-style:normal;font-weight:650}
.phone-story-hero-copy p{max-width:660px;margin:0;color:#62625e;font-size:16px;line-height:1.9}
.phone-start-card{padding:6px 0 0;border-top:1px solid #d8d8d3}
.phone-start-card>span{display:block;padding:17px 0 15px;color:#858581;font:700 10px DM Mono,monospace;letter-spacing:.13em}
.phone-start-card dl{margin:0}
.phone-start-card dl>div{display:grid;grid-template-columns:1fr auto;gap:20px;padding:14px 0;border-top:1px solid #e4e4df}
.phone-start-card dt{color:#777773;font-size:12px}.phone-start-card dd{margin:0;font-size:14px;font-weight:700}
.phone-story-nav{display:grid;margin-top:28px;border-top:1px solid #d8d8d3}
.phone-story-nav a{display:grid;grid-template-columns:34px 1fr;padding:16px 0;border-bottom:1px solid #e4e4df;color:#171717;font-size:12px;font-weight:750;text-decoration:none}
.phone-story-nav a b{color:var(--capture-accent);font:700 10px DM Mono,monospace}
.phone-story-nav a:after{content:"↘";grid-column:3;color:var(--capture-accent)}

.phone-chapter{scroll-margin-top:0;padding:108px 0 112px;background:#f4f4f1}
.phone-chapter-head,.phone-path-head,.phone-review-head{display:grid;grid-template-columns:.42fr 1.08fr .72fr;gap:clamp(42px,6vw,92px);align-items:start}
.phone-chapter-head>span,.phone-path-head>span,.phone-review-head>span{padding-top:8px;color:var(--capture-accent);font:700 10px DM Mono,monospace;letter-spacing:.13em}
.phone-chapter-head small,.phone-path-head small,.phone-review-head small{display:block;margin-bottom:14px;color:#777773;font-size:12px;font-weight:700}
.phone-chapter-head h2,.phone-path-head h2,.phone-review-head h2{margin:0;font-size:clamp(44px,5vw,68px);font-weight:520;line-height:1.04;letter-spacing:-.058em}
.phone-chapter-head>p,.phone-path-head>p,.phone-review-head>p{max-width:420px;margin:8px 0 0;color:#686864;font-size:13px;line-height:1.85}
.phone-setting-list{margin:72px 0 0;padding:0;border-top:1px solid #cfcfca;list-style:none}
.phone-setting-list li{display:grid;grid-template-columns:.42fr 1.35fr .45fr;gap:36px;align-items:center;min-height:130px;border-bottom:1px solid #cfcfca}
.phone-setting-list li>span{color:var(--capture-accent);font:700 10px DM Mono,monospace}
.phone-setting-list b{display:block;margin-bottom:9px;font-size:20px;letter-spacing:-.025em}
.phone-setting-list p{max-width:650px;margin:0;color:#6b6b67;font-size:12px;line-height:1.75}
.phone-setting-list strong{justify-self:end;font-size:clamp(36px,4vw,54px);font-weight:500;letter-spacing:-.055em}
.phone-photo-note{display:flex;justify-content:space-between;gap:34px;margin:28px 0 0;padding:18px 0;border-bottom:1px solid #cfcfca;font-size:11px;line-height:1.7}
.phone-photo-note b{color:#171717}.phone-photo-note span{color:#71716d;text-align:right}

.phone-path-section{scroll-margin-top:0;padding:112px 0 124px;background:#171717;color:#fff}
.phone-path-head>p{color:#aaa9a5}.phone-path-head small{color:#8f8f8b}
.phone-path-list{display:grid;gap:32px;margin-top:82px}
.phone-path-row{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(340px,.82fr);min-height:510px;border:1px solid #ffffff19;border-radius:30px;background:#20201f;overflow:hidden}
.phone-path-row.is-reversed{grid-template-columns:minmax(340px,.82fr) minmax(0,1.18fr)}
.phone-path-row.is-reversed .phone-path-visual{order:2}.phone-path-row.is-reversed .phone-path-copy{order:1}
.phone-path-visual{display:flex;align-items:center;justify-content:center;min-height:510px;background:radial-gradient(circle at 50% 46%,#2b2b29 0,#191918 70%)}
.phone-path-visual svg{display:block;width:82%;height:auto;fill:none;stroke:#747470;stroke-width:1.5}
.phone-path-visual .phone-route-accent{stroke:var(--capture-accent);stroke-width:3;stroke-dasharray:8 8}
.phone-path-visual circle{fill:var(--capture-accent);stroke:none}
.phone-path-copy{display:flex;flex-direction:column;justify-content:center;padding:58px 58px 52px}
.phone-path-copy>span{color:var(--capture-accent);font:700 10px DM Mono,monospace;letter-spacing:.13em}
.phone-path-copy h3{margin:18px 0 34px;font-size:clamp(37px,3.7vw,54px);font-weight:520;line-height:1.04;letter-spacing:-.052em}
.phone-path-copy ol{margin:0;padding:0;border-top:1px solid #ffffff18;list-style:none;counter-reset:path}
.phone-path-copy li{counter-increment:path;display:grid;grid-template-columns:112px 1fr;gap:18px;padding:17px 0;border-bottom:1px solid #ffffff18}
.phone-path-copy li b{font-size:13px}.phone-path-copy li p{margin:0;color:#aaa9a5;font-size:12px;line-height:1.65}
.phone-path-copy>small{margin-top:24px;color:#858581;font-size:10px;line-height:1.7}

.phone-review-section{scroll-margin-top:0;padding:112px 0 104px;background:#fff}
.phone-review-list{margin:72px 0 0;padding:0;border-top:1px solid #d4d4cf;list-style:none}
.phone-review-list li{display:grid;grid-template-columns:.42fr .7fr 1.2fr .36fr;gap:34px;align-items:center;min-height:118px;border-bottom:1px solid #d4d4cf}
.phone-review-list li>span{color:var(--capture-accent);font:700 10px DM Mono,monospace}
.phone-review-list b{font-size:19px;letter-spacing:-.02em}
.phone-review-list p{margin:0;color:#686864;font-size:12px;line-height:1.7}
.phone-review-list em{justify-self:end;color:#a3a39f;font-size:12px;font-style:normal;font-weight:700}
.phone-fix-strip{display:grid;grid-template-columns:repeat(4,1fr);margin-top:48px;border:1px solid #deded9;border-radius:18px;overflow:hidden}
.phone-fix-strip>div{min-height:118px;padding:24px;border-right:1px solid #deded9;background:#f7f7f4}
.phone-fix-strip>div:last-child{border-right:0}
.phone-fix-strip b,.phone-fix-strip span{display:block}.phone-fix-strip b{margin-bottom:32px;font-size:14px}.phone-fix-strip span{color:#747470;font-size:11px}
.phone-lesson-page .tutorial-source-note{margin-top:0;padding-top:30px;padding-bottom:34px;border-top:1px solid #deded9}

@media (max-width:1000px){
  .phone-story-hero{grid-template-columns:1fr;gap:60px;padding:88px 0 82px}
  .phone-start-card{max-width:680px}
  .phone-chapter-head,.phone-path-head,.phone-review-head{grid-template-columns:1fr;gap:24px}
  .phone-setting-list li{grid-template-columns:60px 1fr auto}
  .phone-path-row,.phone-path-row.is-reversed{grid-template-columns:1fr;min-height:0}
  .phone-path-row.is-reversed .phone-path-visual,.phone-path-row.is-reversed .phone-path-copy{order:initial}
  .phone-path-visual{min-height:390px}
  .phone-path-copy{padding:48px}
  .phone-review-list li{grid-template-columns:54px .7fr 1.2fr auto}
  .phone-fix-strip{grid-template-columns:1fr 1fr}
  .phone-fix-strip>div:nth-child(2){border-right:0}.phone-fix-strip>div:nth-child(-n+2){border-bottom:1px solid #deded9}
}

@media (max-width:720px){
  .phone-story-hero{padding:72px 0 64px}
  .phone-story-hero-copy h1{font-size:clamp(42px,11.2vw,54px)}
  .phone-story-hero-copy p{font-size:14px}
  .phone-chapter,.phone-path-section,.phone-review-section{padding:76px 0 80px}
  .phone-chapter-head h2,.phone-path-head h2,.phone-review-head h2{font-size:clamp(40px,11vw,52px)}
  .phone-setting-list{margin-top:48px}
  .phone-setting-list li{grid-template-columns:36px 1fr;gap:14px;min-height:auto;padding:25px 0}
  .phone-setting-list strong{grid-column:2;grid-row:1;align-self:start;font-size:28px}
  .phone-setting-list li>div{grid-column:2}.phone-setting-list li>span{grid-row:1/3}
  .phone-photo-note{display:block}.phone-photo-note span{display:block;margin-top:8px;text-align:left}
  .phone-path-list{margin-top:52px}
  .phone-path-row{border-radius:22px}
  .phone-path-visual{min-height:240px}
  .phone-path-copy{padding:34px 24px 30px}
  .phone-path-copy li{grid-template-columns:92px 1fr}
  .phone-review-list{margin-top:48px}
  .phone-review-list li{grid-template-columns:36px 1fr;padding:23px 0}
  .phone-review-list b,.phone-review-list p{grid-column:2}.phone-review-list p{margin-top:-7px}.phone-review-list em{display:none}
  .phone-fix-strip{grid-template-columns:1fr;margin-top:34px}
  .phone-fix-strip>div,.phone-fix-strip>div:nth-child(2){display:grid;grid-template-columns:92px 1fr;min-height:auto;padding:18px;border-right:0;border-bottom:1px solid #deded9}
  .phone-fix-strip>div:last-child{border-bottom:0}.phone-fix-strip b{margin:0}.phone-fix-strip span{align-self:center}
}

/* Phone capture — one continuous path */
.phone-capture-story{--route-pink:#ff315f;--route-paper:#f1f1ed;--route-ink:#111112;overflow:hidden;background:var(--route-ink);font-family:"Microsoft YaHei UI","PingFang SC","Noto Sans SC",sans-serif}
.phone-capture-hero{position:relative;min-height:calc(100svh - 72px);overflow:hidden;background:#0b0b0c;color:#fff;isolation:isolate}
.phone-capture-hero:before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(circle at 77% 38%,#ff315f2b 0 1px,transparent 2px) 0 0/17px 17px,radial-gradient(circle at 72% 45%,#ff315f28,transparent 28%),linear-gradient(112deg,#09090a 0 48%,#171013 72%,#09090a 100%);mask-image:linear-gradient(to bottom,#000 0 83%,transparent 100%)}
.phone-capture-hero:after{content:"";position:absolute;z-index:-1;left:-12%;right:-12%;top:62%;height:1px;background:linear-gradient(90deg,transparent 0,var(--route-pink) 28%,#fff 50%,var(--route-pink) 72%,transparent 100%);box-shadow:0 0 28px 5px #ff315f66;transform:rotate(-5deg);animation:phone-scan 8s ease-in-out infinite}
.phone-hero-glow{position:absolute;z-index:-1;width:46vw;height:46vw;right:-12vw;top:8vh;border-radius:50%;background:radial-gradient(circle,#ff315f23 0,transparent 68%);filter:blur(18px);animation:phone-breathe 7s ease-in-out infinite}
.phone-hero-inner{display:flex;min-height:calc(100svh - 72px);padding-top:clamp(92px,11vh,138px);padding-bottom:clamp(58px,8vh,92px);flex-direction:column}
.phone-overline{color:#ff7795;font:700 10px/1.2 DM Mono,monospace;letter-spacing:.22em}
.phone-capture-hero h1{max-width:1280px;margin:clamp(42px,6vh,76px) 0 0;letter-spacing:-.082em}
.phone-capture-hero h1 span,.phone-capture-hero h1 em{display:block;font-style:normal}
.phone-capture-hero h1 span{color:#a9a8aa;font-size:clamp(45px,4.7vw,78px);font-weight:440;line-height:.96}
.phone-capture-hero h1 em{margin:.1em 0 0 clamp(0px,8vw,130px);color:#fff;font-size:clamp(68px,6.8vw,112px);font-weight:650;line-height:.91}
.phone-hero-lead{width:min(430px,100%);margin:clamp(42px,7vh,84px) 0 0 auto;color:#b9b8ba;font-size:14px;line-height:1.9}
.phone-capture-thread{position:relative;display:grid;grid-template-columns:repeat(3,1fr);margin-top:auto;padding-top:48px}
.phone-capture-thread:before{content:"";position:absolute;left:4px;right:4px;top:14px;height:1px;background:linear-gradient(90deg,var(--route-pink),#ffffff4a)}
.phone-capture-thread a{position:relative;display:grid;grid-template-columns:38px 1fr;gap:12px;color:#fff;text-decoration:none}
.phone-capture-thread a:before{content:"";position:absolute;top:-39px;left:0;width:9px;height:9px;border:2px solid #0b0b0c;border-radius:50%;background:var(--route-pink);box-shadow:0 0 0 1px var(--route-pink),0 0 17px var(--route-pink)}
.phone-capture-thread b{color:#ff7795;font:700 10px DM Mono,monospace}
.phone-capture-thread span{font-size:14px;font-weight:750}.phone-capture-thread small{display:block;margin-top:8px;color:#77767a;font-size:11px;font-weight:500}

.phone-calibration,.phone-review-section{position:relative;background:var(--route-paper);color:var(--route-ink)}
.phone-calibration{padding:clamp(112px,14vw,210px) 0 clamp(120px,15vw,220px)}
.phone-calibration:before{content:"";position:absolute;left:0;right:0;top:0;height:110px;transform:translateY(-100%);background:linear-gradient(to bottom,transparent,#f1f1ed)}
.phone-editorial-head{display:grid;grid-template-columns:150px minmax(0,1fr) minmax(260px,390px);gap:clamp(32px,5vw,90px);align-items:start}
.phone-chapter-id{display:flex;align-items:center;gap:12px;padding-top:12px;color:var(--route-pink)}
.phone-chapter-id span{font:700 11px DM Mono,monospace}.phone-chapter-id b{font:700 9px DM Mono,monospace;letter-spacing:.16em}
.phone-editorial-head h2{margin:0;font-size:clamp(56px,5.8vw,88px);font-weight:550;line-height:.94;letter-spacing:-.068em}
.phone-editorial-head h2 em{color:var(--route-pink);font-style:normal;font-weight:650;white-space:nowrap}
.phone-editorial-head>p{max-width:370px;margin:13px 0 0;color:#686865;font-size:13px;line-height:1.95}
.phone-calibration-flow{margin:clamp(78px,10vw,150px) 0 0;padding:0;list-style:none}
.phone-calibration-flow li{display:grid;grid-template-columns:90px minmax(240px,.8fr) minmax(280px,1fr);gap:clamp(26px,5vw,88px);align-items:center;width:82%;min-height:190px;border-top:1px solid #c9c9c3}
.phone-calibration-flow li:nth-child(2){margin-left:9%}.phone-calibration-flow li:nth-child(3){margin-left:18%}
.phone-calibration-flow li>span{align-self:start;padding-top:30px;color:#888883;font:700 9px DM Mono,monospace;letter-spacing:.14em}
.phone-calibration-flow strong{font-size:clamp(72px,9vw,132px);font-weight:500;line-height:.82;letter-spacing:-.08em}
.phone-calibration-flow strong small{margin-left:.12em;color:#777773;font-size:.23em;font-weight:650;letter-spacing:0}
.phone-calibration-flow li>div{padding:32px 0}.phone-calibration-flow b{display:block;margin-bottom:13px;font-size:18px}.phone-calibration-flow p{max-width:420px;margin:0;color:#6b6b67;font-size:12px;line-height:1.75}
.phone-photo-aside{display:grid;grid-template-columns:180px 1fr;gap:30px;width:64%;margin:66px 0 0 auto;padding:26px 0;border-top:1px solid #c9c9c3;border-bottom:1px solid #c9c9c3}
.phone-photo-aside>span{color:var(--route-pink);font:700 10px DM Mono,monospace;letter-spacing:.12em}.phone-photo-aside p{margin:0;color:#666662;font-size:12px;line-height:1.8}.phone-photo-aside b{color:#171717}

.phone-route-section{position:relative;padding:clamp(120px,14vw,210px) 0 80px;background:#111112;color:#fff}
.phone-route-section:before{content:"";position:absolute;left:0;right:0;top:0;height:120px;transform:translateY(-100%);background:linear-gradient(to bottom,transparent,#111112)}
.phone-editorial-head-dark h2 em{color:#fff}.phone-editorial-head-dark>p{color:#9b9a9d}
.phone-route-stories{margin-top:clamp(82px,10vw,150px)}
.phone-route-story{position:relative;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(360px,.75fr);gap:clamp(42px,7vw,120px);align-items:center;min-height:min(820px,90vh);border-top:1px solid #ffffff20}
.phone-route-story:before{content:attr(data-index);position:absolute;top:22px;right:0;color:#ffffff09;font:500 clamp(120px,20vw,310px)/.8 Arial,sans-serif;letter-spacing:-.08em;pointer-events:none}
.phone-route-story.is-object{grid-template-columns:minmax(360px,.75fr) minmax(0,1.25fr)}
.phone-route-story.is-object .phone-route-visual{order:2}.phone-route-story.is-object .phone-route-copy{order:1}
.phone-route-visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:clamp(420px,58vw,720px)}
.phone-route-visual:before{content:"";position:absolute;width:min(52vw,720px);height:min(52vw,720px);border-radius:50%;background:radial-gradient(circle,#ff315f20 0,transparent 65%);filter:blur(12px)}
.phone-route-visual svg{position:relative;display:block;width:min(92%,760px);height:auto;fill:none;stroke:#737276;stroke-width:1.2;filter:drop-shadow(0 0 28px #ff315f1f)}
.phone-route-visual .phone-route-accent{stroke:var(--route-pink);stroke-width:2.5;stroke-dasharray:8 8;animation:phone-route-dash 10s linear infinite}
.phone-route-visual circle{fill:var(--route-pink);stroke:none}
.phone-route-copy{position:relative;z-index:1;padding:90px 0}
.phone-route-copy>span{color:#ff7895;font:700 10px DM Mono,monospace;letter-spacing:.15em}
.phone-route-copy h3{margin:24px 0 52px;font-size:clamp(42px,4vw,62px);font-weight:550;line-height:.96;letter-spacing:-.05em}
.phone-route-copy h3 em{color:#8d8c90;font-style:normal;font-weight:500}
.phone-route-copy ol{margin:0;padding:0;border-top:1px solid #ffffff1b;list-style:none}
.phone-route-copy li{display:grid;grid-template-columns:110px 1fr;gap:22px;padding:19px 0;border-bottom:1px solid #ffffff1b}
.phone-route-copy li b{font-size:13px}.phone-route-copy li p{margin:0;color:#949397;font-size:11px;line-height:1.7}

.phone-review-section{padding:clamp(120px,14vw,210px) 0 clamp(110px,13vw,190px)}
.phone-review-section:before{content:"";position:absolute;left:0;right:0;top:0;height:110px;transform:translateY(-100%);background:linear-gradient(to bottom,transparent,var(--route-paper))}
.phone-review-track{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:clamp(84px,10vw,145px) 0 0;padding:0;border-top:1px solid #c9c9c3;list-style:none}
.phone-review-track:before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:linear-gradient(90deg,var(--route-pink),transparent)}
.phone-review-track li{position:relative;min-height:260px;padding:42px clamp(24px,4vw,62px) 32px 0}
.phone-review-track li:before{content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;background:var(--route-pink);box-shadow:0 0 20px #ff315f88}
.phone-review-track span{color:var(--route-pink);font:700 10px DM Mono,monospace}.phone-review-track b{display:block;margin:58px 0 18px;font-size:clamp(24px,2.7vw,38px);letter-spacing:-.04em}.phone-review-track p{max-width:300px;margin:0;color:#686864;font-size:12px;line-height:1.75}
.phone-fix-line{display:flex;justify-content:space-between;gap:24px;padding:25px 0;border-top:1px solid #c9c9c3;border-bottom:1px solid #c9c9c3;color:#656561;font:600 10px/1.6 DM Mono,monospace}
.phone-lesson-page .tutorial-source-note{margin-top:0;padding-top:30px;padding-bottom:34px;border-top:1px solid #d8d8d2;background:var(--route-paper)}
.phone-reveal{opacity:0;transform:translateY(36px);transition:opacity .75s cubic-bezier(.22,.61,.36,1),transform .75s cubic-bezier(.22,.61,.36,1)}
.phone-reveal.is-visible{opacity:1;transform:none}

@keyframes phone-route-dash{to{stroke-dashoffset:-180}}
@keyframes phone-scan{0%,100%{opacity:.28;transform:translateY(-24px) rotate(-5deg)}50%{opacity:.78;transform:translateY(28px) rotate(-5deg)}}
@keyframes phone-breathe{0%,100%{opacity:.55;transform:scale(.88)}50%{opacity:1;transform:scale(1.12)}}

@media (max-width:1020px){
  .phone-capture-hero h1 em{margin-left:0}
  .phone-editorial-head{grid-template-columns:110px minmax(0,1fr)}
  .phone-editorial-head>p{grid-column:2}
  .phone-calibration-flow li,.phone-calibration-flow li:nth-child(2),.phone-calibration-flow li:nth-child(3){width:100%;margin-left:0}
  .phone-route-story,.phone-route-story.is-object{grid-template-columns:1fr;min-height:0;padding:70px 0}
  .phone-route-story.is-object .phone-route-visual,.phone-route-story.is-object .phone-route-copy{order:initial}
  .phone-route-visual{min-height:460px}.phone-route-copy{max-width:650px;padding:0}
  .phone-photo-aside{width:78%}
}

@media (max-width:720px){
  .phone-capture-hero{min-height:calc(100svh - 64px)}
  .phone-hero-inner{min-height:calc(100svh - 64px);padding-top:72px;padding-bottom:48px}
  .phone-capture-hero h1{margin-top:44px;letter-spacing:-.065em}
  .phone-capture-hero h1 span{font-size:clamp(38px,12vw,54px)}
  .phone-capture-hero h1 em{margin-top:.18em;font-size:clamp(53px,16vw,74px);line-height:.92}
  .phone-hero-lead{margin:42px 0 0;font-size:13px}
  .phone-capture-thread{grid-template-columns:1fr;margin-top:58px;padding:0 0 0 25px;gap:26px}
  .phone-capture-thread:before{left:4px;right:auto;top:6px;bottom:8px;width:1px;height:auto;background:linear-gradient(var(--route-pink),#ffffff2f)}
  .phone-capture-thread a{grid-template-columns:30px 1fr}.phone-capture-thread a:before{top:4px;left:-25px}
  .phone-capture-thread small{margin-top:4px}
  .phone-calibration,.phone-route-section,.phone-review-section{padding-top:96px;padding-bottom:104px}
  .phone-editorial-head{grid-template-columns:1fr;gap:25px}
  .phone-editorial-head>p{grid-column:auto;margin-top:0}
  .phone-editorial-head h2{font-size:clamp(49px,14.6vw,68px)}
  .phone-editorial-head h2 em{white-space:normal}
  .phone-calibration-flow{margin-top:70px}
  .phone-calibration-flow li{grid-template-columns:48px 1fr;gap:14px;min-height:0;padding:34px 0}
  .phone-calibration-flow li>span{grid-row:1/3;padding-top:8px}.phone-calibration-flow strong{font-size:72px}.phone-calibration-flow li>div{grid-column:2;padding:12px 0 0}
  .phone-photo-aside{grid-template-columns:1fr;width:100%;gap:13px;margin-top:45px}
  .phone-route-stories{margin-top:70px}
  .phone-route-story,.phone-route-story.is-object{padding:60px 0;gap:16px}
  .phone-route-story:before{font-size:150px}
  .phone-route-visual{min-height:270px}.phone-route-visual svg{width:108%;max-width:none}
  .phone-route-copy h3{margin:20px 0 34px;font-size:clamp(42px,13vw,61px)}
  .phone-route-copy li{grid-template-columns:92px 1fr}
  .phone-review-track{grid-template-columns:1fr;margin-top:70px;border-top:0}
  .phone-review-track:before{left:5px;top:0;bottom:0;width:1px;height:auto;background:linear-gradient(var(--route-pink),transparent)}
  .phone-review-track li{min-height:0;padding:7px 0 54px 48px}
  .phone-review-track li:before{top:5px;left:0}.phone-review-track b{margin:18px 0 12px;font-size:28px}
  .phone-fix-line{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px}
}

@media (prefers-reduced-motion:reduce){.phone-capture-hero:after,.phone-hero-glow,.phone-route-visual .phone-route-accent{animation:none}.phone-reveal{opacity:1;transform:none;transition:none}}

/* Phone capture — clear tutorial edition */
.phone-clear-guide{
  --phone-paper:#f6f4f0;
  --phone-paper-deep:#ece8e3;
  --phone-card:#fbfaf8;
  --phone-ink:#252321;
  --phone-muted:#706b67;
  --phone-line:#d7d1cb;
  --phone-accent:#b77984;
  overflow:hidden;
  background:var(--phone-paper);
  color:var(--phone-ink);
  font-family:"Microsoft YaHei UI","PingFang SC","Noto Sans SC",sans-serif;
}
.phone-clear-guide *{box-sizing:border-box}
.phone-clear-guide a{color:inherit}
.phone-clear-hero{
  min-height:0;
  padding:88px 0 66px;
  border-bottom:1px solid var(--phone-line);
  background:linear-gradient(180deg,#fbfaf8 0%,#f5f2ee 68%,#f1eeea 100%);
}
.phone-clear-hero-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(440px,.82fr);column-gap:8vw;align-items:end}
.phone-clear-overline{grid-column:1/-1;display:block;margin-bottom:34px;color:var(--phone-accent);font:700 10px/1.2 DM Mono,monospace;letter-spacing:.18em}
.phone-clear-hero h1{max-width:720px;margin:0;font-size:clamp(48px,5.1vw,72px);font-weight:590;line-height:1.02;letter-spacing:-.06em}
.phone-clear-hero h1 em{color:var(--phone-accent);font-style:normal;font-weight:650}
.phone-clear-hero>div>p{max-width:460px;margin:0 0 4px;color:var(--phone-muted);font-size:15px;line-height:1.75}
.phone-clear-steps{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);max-width:920px;margin-top:66px;border-top:1px solid var(--phone-line)}
.phone-clear-steps a{display:grid;grid-template-columns:34px 1fr;gap:11px;padding:19px 28px 0 0;text-decoration:none}
.phone-clear-steps b{padding-top:3px;color:var(--phone-accent);font:700 10px DM Mono,monospace}
.phone-clear-steps span{font-size:15px;font-weight:700}.phone-clear-steps small{display:block;margin-top:6px;color:#8a8580;font-size:11px;font-weight:500}

.phone-clear-section{scroll-margin-top:74px;padding:88px 0}
.phone-clear-section-head{display:grid;grid-template-columns:180px minmax(0,1fr);gap:48px;align-items:start;margin-bottom:50px}
.phone-clear-section-head>span{padding-top:9px;color:var(--phone-accent);font:700 10px DM Mono,monospace;letter-spacing:.12em}
.phone-clear-section-head h2{margin:0;font-size:clamp(34px,3.6vw,48px);font-weight:600;line-height:1.12;letter-spacing:-.045em}
.phone-clear-section-head p{max-width:560px;margin:13px 0 0;color:var(--phone-muted);font-size:13px;line-height:1.75}

.phone-clear-setup{background:linear-gradient(180deg,#f1eeea 0%,var(--phone-paper) 30%,var(--phone-paper) 100%)}
.phone-clear-settings{display:grid;grid-template-columns:repeat(3,1fr);margin:0;padding:0;border-top:1px solid var(--phone-line);border-bottom:1px solid var(--phone-line);list-style:none}
.phone-clear-settings li{min-height:156px;padding:25px 30px;border-right:1px solid var(--phone-line)}
.phone-clear-settings li:first-child{padding-left:0}.phone-clear-settings li:last-child{border-right:0}
.phone-clear-settings li>span{display:block;color:#928c87;font-size:10px;font-weight:700}
.phone-clear-settings strong{display:block;margin:25px 0 8px;font-size:22px;letter-spacing:-.025em}
.phone-clear-settings p{margin:0;color:var(--phone-muted);font-size:11px;line-height:1.6}
.phone-clear-photo-note{display:flex;justify-content:space-between;gap:32px;margin-top:22px;padding:0 0 22px;border-bottom:1px solid var(--phone-line);font-size:11px;line-height:1.7}
.phone-clear-photo-note b{color:var(--phone-accent)}.phone-clear-photo-note span{max-width:640px;color:var(--phone-muted);text-align:right}

.phone-clear-routes{padding-top:94px;padding-bottom:104px;background:linear-gradient(180deg,var(--phone-paper) 0%,var(--phone-paper-deep) 16%,var(--phone-paper-deep) 86%,var(--phone-paper) 100%)}
.phone-clear-route-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--phone-line);border-bottom:1px solid var(--phone-line)}
.phone-clear-route{min-width:0;padding:28px 34px 34px 0}
.phone-clear-route+article{padding-right:0;padding-left:34px;border-left:1px solid var(--phone-line)}
.phone-clear-diagram{display:flex;align-items:center;justify-content:center;height:250px;margin-bottom:30px;overflow:hidden;background:rgba(255,255,255,.48)}
.phone-clear-diagram svg{display:block;width:90%;max-width:520px;height:auto;fill:none;stroke:#77716d;stroke-width:1.35}
.phone-clear-diagram .phone-route-accent{stroke:var(--phone-accent);stroke-width:2.4;stroke-linecap:round;stroke-dasharray:8 8;animation:phone-route-dash 10s linear infinite}
.phone-clear-diagram circle{fill:var(--phone-accent);stroke:none}
.phone-clear-route-copy>span{color:var(--phone-accent);font:700 10px DM Mono,monospace;letter-spacing:.12em}
.phone-clear-route-copy h3{margin:12px 0 26px;font-size:clamp(25px,2.5vw,34px);font-weight:620;line-height:1.2;letter-spacing:-.035em}
.phone-clear-route-copy ol{display:grid;grid-template-columns:repeat(3,1fr);margin:0;padding:0;border-top:1px solid var(--phone-line);list-style:none}
.phone-clear-route-copy li{padding:17px 18px 0 0}
.phone-clear-route-copy li+li{padding-left:18px;border-left:1px solid var(--phone-line)}
.phone-clear-route-copy b{display:block;margin-bottom:7px;font-size:12px}.phone-clear-route-copy p{margin:0;color:var(--phone-muted);font-size:10px;line-height:1.65}

.phone-clear-review{padding-top:88px;padding-bottom:72px;background:var(--phone-paper)}
.phone-clear-checks{display:grid;grid-template-columns:repeat(3,1fr);margin:0;padding:0;border-top:1px solid var(--phone-line);border-bottom:1px solid var(--phone-line);list-style:none}
.phone-clear-checks li{min-height:150px;padding:25px 30px;border-right:1px solid var(--phone-line)}
.phone-clear-checks li:first-child{padding-left:0}.phone-clear-checks li:last-child{border-right:0}
.phone-clear-checks span{color:var(--phone-accent);font:700 10px DM Mono,monospace}
.phone-clear-checks b{display:block;margin:24px 0 8px;font-size:18px}.phone-clear-checks p{margin:0;color:var(--phone-muted);font-size:11px;line-height:1.65}
.phone-clear-fixes{display:grid;grid-template-columns:repeat(4,1fr);margin-top:22px;padding:18px 0;border-bottom:1px solid var(--phone-line);color:#746f6a;font-size:10px;font-weight:650}
.phone-clear-fixes span+span{padding-left:20px;border-left:1px solid var(--phone-line)}
.phone-clear-guide .tutorial-source-note{margin-top:0;padding-top:25px;padding-bottom:30px;border-top:0;background:var(--phone-paper);color:#8a8580}

@media (max-width:960px){
  .phone-clear-hero-inner{grid-template-columns:1fr}
  .phone-clear-hero>div>p{margin-top:24px}
  .phone-clear-steps{margin-top:48px}
  .phone-clear-section-head{grid-template-columns:120px 1fr;gap:28px}
  .phone-clear-route-grid{grid-template-columns:1fr}
  .phone-clear-route{padding-right:0}
  .phone-clear-route+article{padding:36px 0 34px;border-top:1px solid var(--phone-line);border-left:0}
  .phone-clear-diagram{height:230px}
}

@media (max-width:720px){
  .phone-clear-hero{padding:62px 0 48px}
  .phone-clear-overline{margin-bottom:24px}
  .phone-clear-hero h1{font-size:clamp(42px,12.5vw,58px);letter-spacing:-.055em}
  .phone-clear-hero>div>p{font-size:13px}
  .phone-clear-steps{grid-template-columns:1fr;margin-top:38px;border-bottom:1px solid var(--phone-line)}
  .phone-clear-steps a{padding:15px 0;border-top:1px solid var(--phone-line)}
  .phone-clear-steps a:first-child{border-top:0}
  .phone-clear-steps small{display:inline;margin:0 0 0 10px}
  .phone-clear-section{padding:66px 0}
  .phone-clear-section-head{grid-template-columns:1fr;gap:16px;margin-bottom:34px}
  .phone-clear-section-head>span{padding-top:0}
  .phone-clear-section-head h2{font-size:34px}
  .phone-clear-settings,.phone-clear-checks{grid-template-columns:1fr}
  .phone-clear-settings li,.phone-clear-checks li{min-height:0;padding:20px 0;border-right:0;border-bottom:1px solid var(--phone-line)}
  .phone-clear-settings li:last-child,.phone-clear-checks li:last-child{border-bottom:0}
  .phone-clear-settings strong,.phone-clear-checks b{margin:10px 0 6px}
  .phone-clear-photo-note{display:block}.phone-clear-photo-note span{display:block;margin-top:8px;text-align:left}
  .phone-clear-routes{padding-top:70px;padding-bottom:76px}
  .phone-clear-route{padding:22px 0 30px}
  .phone-clear-route+article{padding-top:30px}
  .phone-clear-diagram{height:190px;margin-bottom:24px}
  .phone-clear-diagram svg{width:108%;max-width:none}
  .phone-clear-route-copy h3{font-size:27px}
  .phone-clear-route-copy ol{grid-template-columns:1fr}
  .phone-clear-route-copy li{display:grid;grid-template-columns:66px 1fr;padding:13px 0}
  .phone-clear-route-copy li+li{padding-left:0;border-top:1px solid var(--phone-line);border-left:0}
  .phone-clear-route-copy b{margin:0}.phone-clear-route-copy p{font-size:11px}
  .phone-clear-fixes{grid-template-columns:1fr 1fr;gap:0}
  .phone-clear-fixes span{padding:10px 0}
  .phone-clear-fixes span+span{padding-left:0;border-left:0}
}

/* Phone capture — compact editorial reading */
.phone-learning-guide{
  --learn-paper:#f4f1ed;
  --learn-paper-deep:#e8e2db;
  --learn-panel:#fbfaf8;
  --learn-ink:#201e1c;
  --learn-muted:#716b65;
  --learn-line:#d7d0c8;
  --learn-accent:#a86f7a;
  overflow:clip;
  background:var(--learn-paper);
  color:var(--learn-ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei UI","PingFang SC",sans-serif;
}
.phone-learning-guide *{box-sizing:border-box}
.phone-learning-guide a{color:inherit}
.phone-learning-guide>.phone-learn-section>.shell,
.phone-learning-guide .phone-learn-hero-inner,
.phone-learning-guide .phone-learn-progress-inner{width:min(1060px,calc(100% - 56px));margin-right:auto;margin-left:auto}

.phone-learn-hero{padding:66px 0 62px;background:linear-gradient(180deg,#fbfaf9 0%,var(--learn-paper) 100%)}
.phone-learn-hero-inner{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(280px,.72fr);column-gap:76px;align-items:end}
.phone-learn-kicker{grid-column:1;display:block;margin-bottom:18px;color:var(--learn-accent);font:700 10px/1.2 DM Mono,monospace;letter-spacing:.16em}
.phone-learn-hero h1{grid-column:1;margin:0;font-size:clamp(54px,5.2vw,68px);line-height:.96;letter-spacing:-.058em}
.phone-learn-hero h1 span{display:block;font-size:.7em;font-weight:600;letter-spacing:-.045em}
.phone-learn-hero h1 em{display:block;margin-top:8px;color:var(--learn-accent);font-style:normal;font-weight:680}
.phone-learn-lead{grid-column:2;grid-row:2;max-width:330px;margin:0 0 4px;padding:4px 0 4px 25px;border-left:1px solid var(--learn-line);color:var(--learn-muted);font-size:16px;font-weight:500;line-height:1.65}

.phone-learn-progress{position:sticky;z-index:24;top:68px;border-top:1px solid #ffffffa6;border-bottom:1px solid var(--learn-line);background:rgba(244,241,237,.92);backdrop-filter:blur(18px)}
.phone-learn-progress-inner{position:relative;display:grid;grid-template-columns:repeat(3,1fr)}
.phone-learn-progress-line{position:absolute;right:0;bottom:-1px;left:0;height:2px;overflow:hidden}
.phone-learn-progress-line i{display:block;width:100%;height:100%;background:var(--learn-accent);transform:scaleX(0);transform-origin:left center}
.phone-step-link{display:flex;align-items:center;gap:11px;padding:15px 18px;color:#8d8781;text-decoration:none;transition:color .25s ease}
.phone-step-link:first-of-type{padding-left:0}
.phone-step-link b{font:700 9px DM Mono,monospace}.phone-step-link span{font-size:12px;font-weight:700}
.phone-step-link.is-active{color:var(--learn-ink)}.phone-step-link.is-active b{color:var(--learn-accent)}

.phone-learn-section{scroll-margin-top:124px;padding:54px 0}
.phone-learn-head{display:grid;grid-template-columns:58px minmax(0,1fr);gap:20px;align-items:start;max-width:820px;margin-bottom:28px}
.phone-learn-head>span{padding-top:8px;color:var(--learn-accent);font:700 9px DM Mono,monospace;letter-spacing:.1em;white-space:nowrap}
.phone-learn-head h2{margin:0;font-size:clamp(33px,3vw,39px);font-weight:600;line-height:1.08;letter-spacing:-.042em}
.phone-learn-head p{max-width:590px;margin:9px 0 0;color:var(--learn-muted);font-size:13px;line-height:1.65}

.phone-learn-setup{background:var(--learn-paper)}
.phone-learn-settings{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0;padding:0;list-style:none}
.phone-learn-settings li{min-height:136px;padding:22px 23px;border:1px solid #ded8d1;border-radius:20px;background:rgba(255,255,255,.62);box-shadow:0 10px 32px rgba(57,48,41,.035)}
.phone-learn-settings span{display:block;color:#938b84;font-size:10px;font-weight:700}
.phone-learn-settings strong{display:block;margin:16px 0 7px;font-size:20px;font-weight:650;line-height:1.25;letter-spacing:-.025em}
.phone-learn-settings p{margin:0;color:var(--learn-muted);font-size:11px;line-height:1.55}
.phone-learn-note{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:12px 0 0 78px;padding:15px 19px;border-radius:14px;background:rgba(232,226,219,.72);font-size:11px;line-height:1.55}
.phone-learn-note b{color:var(--learn-accent)}.phone-learn-note span{max-width:680px;color:var(--learn-muted);text-align:right}

.phone-learn-routes{padding-top:56px;padding-bottom:60px;background:linear-gradient(180deg,var(--learn-paper) 0%,var(--learn-paper-deep) 20%,var(--learn-paper-deep) 86%,var(--learn-paper) 100%)}
.phone-learn-routes .phone-learn-head{padding-right:245px}
.phone-route-tabs{display:flex;gap:5px;width:max-content;margin:-66px 0 22px auto;padding:4px;border:1px solid #d4ccc3;border-radius:999px;background:rgba(255,255,255,.55)}
.phone-route-tabs button{min-width:108px;padding:10px 20px;border:0;border-radius:999px;background:transparent;color:#766f69;font:700 12px/1 inherit;cursor:pointer;transition:background-color .25s ease,color .25s ease,box-shadow .25s ease}
.phone-route-tabs button.is-active{background:var(--learn-ink);color:#fff;box-shadow:0 5px 18px #3a312a1f}
.phone-route-tabs button:focus-visible{outline:2px solid var(--learn-accent);outline-offset:3px}
.phone-route-stage{overflow:hidden;border:1px solid #d6cec5;border-radius:26px;background:rgba(255,255,255,.38);box-shadow:0 22px 60px rgba(57,48,41,.055)}
.phone-route-panel{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(330px,.85fr);min-height:430px}
.js .phone-route-panel:not(.is-active){display:none}
.phone-route-panel-visual{display:flex;align-items:center;justify-content:center;min-height:430px;background:rgba(255,255,255,.48)}
.phone-route-panel-visual svg{display:block;width:min(86%,620px);height:auto;fill:none;stroke:#746d67;stroke-width:1.3;filter:drop-shadow(0 12px 24px #6c5a4b0d)}
.phone-route-panel-visual .phone-route-accent{stroke:var(--learn-accent);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:9 9;animation:phone-route-dash 10s linear infinite}
.phone-route-panel-visual circle{fill:var(--learn-accent);stroke:none}
.phone-route-panel-copy{display:flex;flex-direction:column;justify-content:center;padding:36px 38px 36px 42px;border-left:1px solid #d8d0c8}
.phone-route-panel-copy>span{color:var(--learn-accent);font:700 9px DM Mono,monospace;letter-spacing:.11em}
.phone-route-panel-copy h3{margin:12px 0 12px;font-size:clamp(31px,3.1vw,41px);font-weight:610;line-height:1.04;letter-spacing:-.045em}
.phone-route-panel-copy>p{max-width:390px;margin:0 0 22px;color:var(--learn-muted);font-size:12px;line-height:1.6}
.phone-route-panel-copy ol{margin:0;padding:0;border-top:1px solid var(--learn-line);list-style:none}
.phone-route-panel-copy li{display:grid;grid-template-columns:65px 1fr;gap:13px;padding:12px 0;border-bottom:1px solid var(--learn-line)}
.phone-route-panel-copy li b{font-size:12px}.phone-route-panel-copy li span{color:var(--learn-muted);font-size:11px;line-height:1.5}

.phone-learn-review{padding-top:52px;padding-bottom:48px;background:var(--learn-paper)}
.phone-learn-checks{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0;padding:0;list-style:none}
.phone-learn-checks li{min-height:130px;padding:20px 22px;border:1px solid #ded8d1;border-radius:20px;background:rgba(255,255,255,.62)}
.phone-learn-checks span{color:var(--learn-accent);font:700 9px DM Mono,monospace}
.phone-learn-checks b{display:block;margin:15px 0 6px;font-size:19px}.phone-learn-checks p{margin:0;color:var(--learn-muted);font-size:11px;line-height:1.55}
.phone-learn-fixes{display:flex;align-items:center;justify-content:flex-end;gap:24px;margin-top:16px;color:var(--learn-muted);font-size:10px}
.phone-learn-fixes span{white-space:nowrap}.phone-learn-fixes b{margin-right:5px;color:var(--learn-ink)}
.phone-learning-guide .tutorial-source-note{margin-top:0;padding-top:18px;padding-bottom:24px;border-top:0;background:var(--learn-paper);color:#8a837d;font-size:10px}
.phone-gsap-reveal{will-change:transform,opacity}

@media (max-width:960px){
  .phone-learn-hero-inner{grid-template-columns:1fr;row-gap:18px}
  .phone-learn-lead{grid-column:1;grid-row:auto;max-width:520px}
  .phone-learn-routes .phone-learn-head{padding-right:0}
  .phone-route-tabs{margin:0 0 16px auto}
  .phone-route-panel{grid-template-columns:1fr;min-height:0}
  .phone-route-panel-visual{min-height:330px}
  .phone-route-panel-copy{padding:30px 34px 34px;border-top:1px solid #d8d0c8;border-left:0}
}

@media (max-width:720px){
  .phone-learning-guide>.phone-learn-section>.shell,
  .phone-learning-guide .phone-learn-hero-inner,
  .phone-learning-guide .phone-learn-progress-inner{width:min(100% - 34px,1060px)}
  .phone-learn-hero{padding:46px 0 42px}
  .phone-learn-kicker{margin-bottom:4px}
  .phone-learn-hero h1{font-size:clamp(43px,12vw,51px);line-height:.98}
  .phone-learn-hero h1 span{font-size:.72em}
  .phone-learn-lead{margin-top:4px;padding-left:16px;font-size:13px}
  .phone-learn-progress{top:60px}
  .phone-step-link{justify-content:center;gap:6px;padding:13px 0 12px}
  .phone-step-link span{font-size:11px}
  .phone-learn-section{scroll-margin-top:108px;padding:43px 0}
  .phone-learn-head{grid-template-columns:1fr;gap:9px;margin-bottom:22px}
  .phone-learn-head>span{padding-top:0}
  .phone-learn-head h2{font-size:29px;line-height:1.08}
  .phone-learn-head p{margin-top:7px;font-size:12px}
  .phone-learn-settings,.phone-learn-checks{grid-template-columns:1fr;gap:9px}
  .phone-learn-settings li,.phone-learn-checks li{display:grid;grid-template-columns:62px 1fr;grid-template-rows:auto auto;min-height:0;padding:16px 17px;border-radius:16px}
  .phone-learn-settings span,.phone-learn-checks span{grid-row:1/3;padding-top:4px}
  .phone-learn-settings strong,.phone-learn-checks b{margin:0 0 4px;font-size:18px}
  .phone-learn-settings p,.phone-learn-checks p{font-size:10.5px}
  .phone-learn-note{display:block;margin:10px 0 0;padding:13px 15px}.phone-learn-note span{display:block;margin-top:5px;text-align:left}
  .phone-learn-routes{padding-top:44px;padding-bottom:48px}
  .phone-route-tabs{width:100%;margin:0 0 12px}
  .phone-route-tabs button{flex:1;min-width:0}
  .phone-route-stage{border-radius:20px}
  .phone-route-panel-visual{min-height:225px}
  .phone-route-panel-visual svg{width:108%;max-width:none}
  .phone-route-panel-copy{padding:23px 20px 27px}
  .phone-route-panel-copy h3{font-size:31px}
  .phone-route-panel-copy>p{margin-bottom:17px}
  .phone-route-panel-copy li{grid-template-columns:58px 1fr;padding:10px 0}
  .phone-learn-fixes{display:grid;grid-template-columns:1fr 1fr;gap:9px 14px;justify-content:initial;margin-top:14px;padding:0 2px}
  .phone-gsap-reveal{will-change:auto}
}

@media (prefers-reduced-motion:reduce){
  .phone-learning-guide *{scroll-behavior:auto!important}
  .phone-route-panel-visual .phone-route-accent{animation:none}
  .phone-gsap-reveal{will-change:auto}
}

/* Phone capture — concentrated reading flow */
.phone-learn-fixes-title{color:var(--learn-ink);font-size:11px;line-height:1.45}

@media (min-width:561px){
  .phone-learn-setup>.shell,
  .phone-learn-review>.shell{
    display:grid;
    grid-template-columns:minmax(205px,.72fr) minmax(0,1.28fr);
    column-gap:clamp(28px,4.5vw,54px);
    align-items:start;
  }
  .phone-learn-setup .phone-learn-head,
  .phone-learn-review .phone-learn-head{
    display:block;
    max-width:none;
    margin:0;
    padding-top:5px;
  }
  .phone-learn-setup .phone-learn-head>span,
  .phone-learn-review .phone-learn-head>span{
    display:block;
    margin-bottom:13px;
    padding:0;
  }
  .phone-learn-setup .phone-learn-head h2,
  .phone-learn-review .phone-learn-head h2{
    max-width:310px;
    font-size:clamp(30px,2.75vw,36px);
    line-height:1.08;
  }
  .phone-learn-setup .phone-learn-head p,
  .phone-learn-review .phone-learn-head p{
    max-width:300px;
    margin-top:10px;
  }
  .phone-learn-settings,
  .phone-learn-checks{
    grid-column:2;
    display:block;
    padding:4px 22px;
    overflow:hidden;
    border:1px solid #ded8d1;
    border-radius:20px;
    background:rgba(255,255,255,.64);
    box-shadow:0 12px 34px rgba(57,48,41,.035);
  }
  .phone-learn-settings li,
  .phone-learn-checks li{
    min-height:0;
    border:0;
    border-bottom:1px solid var(--learn-line);
    border-radius:0;
    background:transparent;
    box-shadow:none;
  }
  .phone-learn-settings li:last-child,
  .phone-learn-checks li:last-child{border-bottom:0}
  .phone-learn-settings li{
    display:grid;
    grid-template-columns:58px minmax(128px,.85fr) minmax(130px,1fr);
    gap:14px;
    align-items:center;
    padding:18px 0;
  }
  .phone-learn-settings span,
  .phone-learn-settings strong,
  .phone-learn-settings p{margin:0}
  .phone-learn-settings strong{font-size:18px}
  .phone-learn-settings p{color:#5f5a55;font-size:12px;line-height:1.5}
  .phone-learn-note{
    grid-column:2;
    margin:11px 0 0;
    padding:13px 17px;
  }
  .phone-learn-checks li{
    display:grid;
    grid-template-columns:32px 78px minmax(0,1fr);
    gap:14px;
    align-items:center;
    padding:18px 0;
  }
  .phone-learn-checks span,
  .phone-learn-checks b,
  .phone-learn-checks p{margin:0}
  .phone-learn-checks b{font-size:18px}
  .phone-learn-checks p{color:#5f5a55;font-size:12px;line-height:1.5}
  .phone-learn-fixes{
    grid-column:2;
    display:grid;
    grid-template-columns:120px repeat(2,minmax(0,1fr));
    gap:9px 18px;
    align-items:center;
    justify-content:initial;
    margin-top:13px;
    padding:14px 17px;
    border-top:1px solid var(--learn-line);
  }
  .phone-learn-fixes-title{grid-row:1/3}
  .phone-learn-fixes span{color:#615b56;font-size:11px;white-space:normal}
}

@media (max-width:560px){
  .phone-learn-settings,
  .phone-learn-checks{
    display:block;
    padding:3px 15px;
    border:1px solid #ded8d1;
    border-radius:17px;
    background:rgba(255,255,255,.64);
  }
  .phone-learn-settings li,
  .phone-learn-checks li{
    min-height:0;
    border:0;
    border-bottom:1px solid var(--learn-line);
    border-radius:0;
    background:transparent;
  }
  .phone-learn-settings li:last-child,
  .phone-learn-checks li:last-child{border-bottom:0}
  .phone-learn-settings li{
    grid-template-columns:52px minmax(0,1fr);
    padding:15px 0;
  }
  .phone-learn-settings span{grid-row:1/3}
  .phone-learn-checks li{
    grid-template-columns:28px 62px minmax(0,1fr);
    grid-template-rows:auto;
    gap:9px;
    align-items:center;
    padding:15px 0;
  }
  .phone-learn-checks span{grid-row:auto;padding:0}
  .phone-learn-checks b{margin:0;font-size:17px}
  .phone-learn-checks p{margin:0;color:#5f5a55;font-size:11.2px;line-height:1.45}
  .phone-learn-fixes{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:8px 16px;
    margin-top:12px;
    padding:13px 2px 0;
    border-top:1px solid var(--learn-line);
  }
  .phone-learn-fixes-title{grid-column:1/-1;margin-bottom:2px}
}

/* Phone capture — outcome-first field guide */
.phone-learning-guide{
  --learn-paper:#f5f2ee;
  --learn-paper-deep:#e9e3dc;
  --learn-panel:#fbfaf8;
  --learn-ink:#201e1c;
  --learn-muted:#68625c;
  --learn-line:#d6cec6;
  --learn-accent:#9e6d78;
  background:var(--learn-paper);
}
.phone-learning-guide>.phone-learn-section>.shell,
.phone-learning-guide .phone-learn-hero-inner,
.phone-learning-guide .phone-learn-progress-inner{
  width:min(1120px,calc(100% - 64px));
}

.phone-learn-hero{
  display:flex;
  align-items:center;
  min-height:540px;
  padding:82px 0 76px;
  background:
    radial-gradient(circle at 84% 32%,rgba(158,109,120,.12),transparent 28%),
    linear-gradient(180deg,#fbfaf9 0%,var(--learn-paper) 100%);
}
.phone-learn-hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(300px,.7fr);
  grid-template-rows:auto auto;
  column-gap:clamp(54px,7vw,104px);
  align-items:end;
}
.phone-learn-kicker{
  grid-column:1;
  margin:0 0 22px;
  color:var(--learn-accent);
  font:700 10px/1.2 DM Mono,monospace;
  letter-spacing:.17em;
}
.phone-learn-hero h1{
  grid-column:1;
  margin:0;
  font-size:clamp(60px,6.3vw,84px);
  font-weight:650;
  line-height:.94;
  letter-spacing:-.064em;
}
.phone-learn-hero h1 span{
  display:block;
  margin-bottom:14px;
  color:var(--learn-accent);
  font-size:.46em;
  font-weight:650;
  letter-spacing:-.035em;
}
.phone-learn-hero h1 em{
  display:block;
  margin:0;
  color:var(--learn-ink);
  font-style:normal;
  font-weight:650;
}
.phone-learn-intro{
  grid-column:2;
  grid-row:2;
  align-self:end;
  padding:22px 0 3px;
  border-top:1px solid var(--learn-line);
}
.phone-learn-lead{
  max-width:360px;
  margin:0;
  padding:0;
  border:0;
  color:#57524d;
  font-size:15px;
  font-weight:500;
  line-height:1.75;
}
.phone-learn-actions{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px}
.phone-learn-actions a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding-bottom:4px;
  border-bottom:1px solid currentColor;
  color:var(--learn-ink);
  font-size:12px;
  font-weight:700;
  text-decoration:none;
}
.phone-learn-actions a:after{content:"↓";color:var(--learn-accent);font-size:13px}
.phone-learn-actions a:hover{color:var(--learn-accent)}

.phone-learn-progress{top:68px;background:rgba(245,242,238,.91)}
.phone-step-link{padding:14px 18px}
.phone-step-link b{font-size:9px}.phone-step-link span{font-size:11px}

.phone-learn-section{padding:66px 0;scroll-margin-top:122px}
.phone-learn-head{
  display:grid;
  grid-template-columns:160px minmax(0,1fr);
  gap:34px;
  max-width:none;
  margin:0 0 42px;
}
.phone-learn-head>span{
  padding-top:10px;
  color:var(--learn-accent);
  font:700 9px/1.2 DM Mono,monospace;
  letter-spacing:.13em;
}
.phone-learn-head h2{
  max-width:760px;
  margin:0;
  font-size:clamp(42px,4.3vw,58px);
  font-weight:620;
  line-height:1.02;
  letter-spacing:-.055em;
}
.phone-learn-head p{
  max-width:600px;
  margin:14px 0 0;
  color:var(--learn-muted);
  font-size:14px;
  line-height:1.75;
}

.phone-learn-setup>.shell,
.phone-learn-review>.shell{display:block}
.phone-learn-setup .phone-learn-head,
.phone-learn-review .phone-learn-head{display:grid;max-width:none;margin-bottom:42px;padding:0}
.phone-learn-setup .phone-learn-head>span,
.phone-learn-review .phone-learn-head>span{display:block;margin:0;padding-top:10px}
.phone-learn-setup .phone-learn-head h2,
.phone-learn-review .phone-learn-head h2{max-width:760px;font-size:clamp(42px,4.3vw,58px);line-height:1.02}
.phone-learn-setup .phone-learn-head p,
.phone-learn-review .phone-learn-head p{max-width:600px;margin-top:14px}

.phone-learn-principles{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  margin:0 0 50px 194px;
  padding:0;
  border-top:1px solid var(--learn-line);
  border-bottom:1px solid var(--learn-line);
  list-style:none;
}
.phone-learn-principles li{padding:24px 26px 26px 0}
.phone-learn-principles li+li{padding-left:26px;border-left:1px solid var(--learn-line)}
.phone-learn-principles span{display:block;color:var(--learn-accent);font:700 9px/1 DM Mono,monospace}
.phone-learn-principles strong{display:block;margin:16px 0 7px;font-size:23px;line-height:1.1}
.phone-learn-principles p{margin:0;color:var(--learn-muted);font-size:12px;line-height:1.55}

.phone-settings-block{
  display:grid;
  grid-template-columns:194px minmax(0,1fr);
  border-top:1px solid var(--learn-line);
  border-bottom:1px solid var(--learn-line);
}
.phone-settings-label{padding:25px 30px 25px 0}
.phone-settings-label span{color:var(--learn-accent);font:700 9px/1.2 DM Mono,monospace;letter-spacing:.12em}
.phone-settings-label p{margin:12px 0 0;font-size:18px;font-weight:650;line-height:1.25;letter-spacing:-.02em}
.phone-learn-settings{
  display:block;
  grid-column:auto;
  margin:0;
  padding:4px 0 4px 28px;
  overflow:visible;
  border:0;
  border-left:1px solid var(--learn-line);
  border-radius:0;
  background:transparent;
  box-shadow:none;
}
.phone-learn-settings li{
  display:grid;
  grid-template-columns:74px minmax(190px,.85fr) minmax(160px,1fr);
  gap:18px;
  align-items:center;
  min-height:0;
  padding:19px 0;
  border:0;
  border-bottom:1px solid var(--learn-line);
  border-radius:0;
  background:transparent;
  box-shadow:none;
}
.phone-learn-settings li:last-child{border-bottom:0}
.phone-learn-settings span,.phone-learn-settings strong,.phone-learn-settings p{margin:0}
.phone-learn-settings span{color:#8b837c;font-size:10px;font-weight:700}
.phone-learn-settings strong{font-size:18px;line-height:1.25}
.phone-learn-settings p{color:var(--learn-muted);font-size:12px;line-height:1.5}
.phone-learn-note{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  margin:14px 0 0 194px;
  padding:14px 0;
  border:0;
  border-bottom:1px solid var(--learn-line);
  border-radius:0;
  background:transparent;
  font-size:11px;
  line-height:1.6;
}
.phone-learn-note b{color:var(--learn-accent)}
.phone-learn-note span{max-width:700px;color:var(--learn-muted);text-align:right}

.phone-learn-routes{
  padding:70px 0 76px;
  background:linear-gradient(180deg,var(--learn-paper) 0%,var(--learn-paper-deep) 13%,var(--learn-paper-deep) 88%,var(--learn-paper) 100%);
}
.phone-learn-routes .phone-learn-head{max-width:900px;margin-bottom:30px;padding:0}
.phone-route-tabs{
  gap:4px;
  margin:-70px 0 25px auto;
  padding:4px;
  border-color:#cec4bb;
  background:rgba(255,255,255,.46);
}
.phone-route-tabs button{min-width:118px;padding:11px 22px}
.phone-route-stage{
  border-color:#cfc6bd;
  border-radius:24px;
  background:rgba(255,255,255,.38);
  box-shadow:0 26px 70px rgba(63,52,43,.07);
}
.phone-route-panel{grid-template-columns:minmax(0,1.28fr) minmax(330px,.72fr);min-height:500px}
.phone-route-panel-visual{min-height:500px;background:rgba(255,255,255,.42)}
.phone-route-panel-visual svg{width:min(90%,680px);stroke:#6d6660;stroke-width:1.2}
.phone-route-panel-copy{padding:46px 42px;border-color:#d4cbc3}
.phone-route-panel-copy>span{font-size:9px}
.phone-route-panel-copy h3{margin:15px 0 14px;font-size:clamp(36px,3.6vw,48px);line-height:1.02}
.phone-route-panel-copy>p{margin-bottom:26px;font-size:12px;line-height:1.65}
.phone-route-panel-copy li{grid-template-columns:72px 1fr;gap:15px;padding:14px 0}
.phone-route-panel-copy li b{font-size:11px}.phone-route-panel-copy li span{font-size:11px;line-height:1.55}

.phone-learn-review{padding:68px 0 62px}
.phone-troubleshoot{border-top:1px solid var(--learn-line)}
.phone-troubleshoot article{
  display:grid;
  grid-template-columns:42px 180px minmax(0,.9fr) minmax(0,1.15fr);
  gap:22px;
  align-items:start;
  padding:24px 0;
  border-bottom:1px solid var(--learn-line);
}
.phone-troubleshoot span{padding-top:4px;color:var(--learn-accent);font:700 9px/1 DM Mono,monospace}
.phone-troubleshoot h3{margin:0;font-size:19px;line-height:1.25;letter-spacing:-.02em}
.phone-troubleshoot p{margin:0;color:#5d5752;font-size:13px;line-height:1.6}
.phone-troubleshoot p b{display:block;margin-bottom:4px;color:#887e76;font-size:10px;letter-spacing:.04em}
.phone-final-check{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
  margin-top:18px;
  color:var(--learn-muted);
  font-size:11px;
}
.phone-final-check strong{margin-right:8px;color:var(--learn-ink);font-size:11px}
.phone-final-check span{padding:7px 12px;border:1px solid var(--learn-line);border-radius:999px;background:rgba(255,255,255,.42)}
.phone-learning-guide .tutorial-source-note{width:min(1120px,calc(100% - 64px));padding:18px 0 28px;color:#8a837d;font-size:10px}

@media (max-width:960px){
  .phone-learn-hero{min-height:0;padding:70px 0 64px}
  .phone-learn-hero-inner{grid-template-columns:1fr;row-gap:30px}
  .phone-learn-intro{grid-column:1;grid-row:auto;max-width:600px}
  .phone-learn-head,
  .phone-learn-setup .phone-learn-head,
  .phone-learn-review .phone-learn-head{grid-template-columns:125px minmax(0,1fr)}
  .phone-learn-principles{margin-left:159px}
  .phone-settings-block{grid-template-columns:159px minmax(0,1fr)}
  .phone-learn-note{margin-left:159px}
  .phone-learn-routes .phone-learn-head{padding-right:0}
  .phone-route-tabs{margin:0 0 16px auto}
  .phone-route-panel{grid-template-columns:1fr;min-height:0}
  .phone-route-panel-visual{min-height:360px}
  .phone-route-panel-copy{padding:34px 38px 38px;border-top:1px solid #d4cbc3;border-left:0}
  .phone-troubleshoot article{grid-template-columns:36px 140px minmax(0,.9fr) minmax(0,1.15fr);gap:16px}
}

@media (max-width:720px){
  .phone-learning-guide>.phone-learn-section>.shell,
  .phone-learning-guide .phone-learn-hero-inner,
  .phone-learning-guide .phone-learn-progress-inner,
  .phone-learning-guide .tutorial-source-note{width:min(100% - 34px,1120px)}
  .phone-learn-hero{padding:48px 0 44px}
  .phone-learn-kicker{margin-bottom:2px;font-size:9px}
  .phone-learn-hero h1{font-size:clamp(45px,13.2vw,58px);line-height:.96}
  .phone-learn-hero h1 span{margin-bottom:10px;font-size:.48em}
  .phone-learn-intro{padding-top:18px}
  .phone-learn-lead{font-size:13px;line-height:1.7}
  .phone-learn-actions{gap:20px;margin-top:17px}
  .phone-learn-progress{top:60px}
  .phone-step-link{justify-content:center;gap:5px;padding:12px 0}
  .phone-step-link b{font-size:8px}.phone-step-link span{font-size:10px}
  .phone-learn-section{padding:54px 0;scroll-margin-top:105px}
  .phone-learn-head,
  .phone-learn-setup .phone-learn-head,
  .phone-learn-review .phone-learn-head{grid-template-columns:1fr;gap:12px;margin-bottom:28px}
  .phone-learn-head>span,
  .phone-learn-setup .phone-learn-head>span,
  .phone-learn-review .phone-learn-head>span{padding:0}
  .phone-learn-head h2,
  .phone-learn-setup .phone-learn-head h2,
  .phone-learn-review .phone-learn-head h2{font-size:clamp(33px,9.4vw,42px);line-height:1.04}
  .phone-learn-head p,
  .phone-learn-setup .phone-learn-head p,
  .phone-learn-review .phone-learn-head p{margin-top:9px;font-size:12px;line-height:1.65}
  .phone-learn-principles{display:block;margin:0 0 34px;border-bottom:0}
  .phone-learn-principles li,
  .phone-learn-principles li+li{
    display:grid;
    grid-template-columns:34px 72px minmax(0,1fr);
    align-items:center;
    gap:8px;
    padding:15px 0;
    border:0;
    border-bottom:1px solid var(--learn-line);
  }
  .phone-learn-principles strong,.phone-learn-principles p{margin:0}
  .phone-learn-principles strong{font-size:18px}
  .phone-learn-principles p{font-size:11px}
  .phone-settings-block{display:block;border-bottom:0}
  .phone-settings-label{display:flex;align-items:end;justify-content:space-between;padding:17px 0}
  .phone-settings-label p{margin:0;text-align:right;font-size:16px}
  .phone-learn-settings{display:block;padding:0;border:0;border-top:1px solid var(--learn-line);border-radius:0;background:transparent}
  .phone-learn-settings li{
    display:grid;
    grid-template-columns:54px minmax(115px,.9fr) minmax(0,1fr);
    gap:10px;
    padding:15px 0;
  }
  .phone-learn-settings strong{font-size:15px}.phone-learn-settings p{font-size:10.5px}
  .phone-learn-note{display:block;margin:12px 0 0;padding:13px 0}
  .phone-learn-note span{display:block;margin-top:5px;text-align:left}
  .phone-learn-routes{padding:58px 0 62px}
  .phone-route-tabs{width:100%;margin:0 0 12px}
  .phone-route-tabs button{flex:1;min-width:0}
  .phone-route-stage{border-radius:18px}
  .phone-route-panel-visual{min-height:240px}
  .phone-route-panel-visual svg{width:108%;max-width:none}
  .phone-route-panel-copy{padding:26px 21px 29px}
  .phone-route-panel-copy h3{font-size:34px}
  .phone-route-panel-copy li{grid-template-columns:68px 1fr;padding:11px 0}
  .phone-learn-review{padding:56px 0 48px}
  .phone-troubleshoot article{
    grid-template-columns:28px minmax(0,1fr);
    gap:8px 12px;
    padding:18px 0;
  }
  .phone-troubleshoot span{grid-column:1;grid-row:1}
  .phone-troubleshoot h3{grid-column:2;grid-row:1;font-size:18px}
  .phone-troubleshoot p{grid-column:2;font-size:11px}
  .phone-troubleshoot p b{display:inline;margin:0 8px 0 0}
  .phone-final-check{justify-content:flex-start;flex-wrap:wrap;gap:8px;margin-top:15px}
  .phone-final-check strong{width:100%;margin-bottom:2px}
}

@media (max-width:420px){
  .phone-learn-settings li{grid-template-columns:46px minmax(0,1fr);gap:6px 10px}
  .phone-learn-settings span{grid-row:1/3;padding-top:3px}
  .phone-learn-settings p{grid-column:2}
}

@media (prefers-reduced-motion:reduce){
  .phone-route-panel-visual .phone-route-accent{animation:none}
  .phone-gsap-reveal{will-change:auto}
}

/* Phone capture — approved compact single-axis tutorial */
.phone-learning-guide>.phone-learn-section>.shell,
.phone-learning-guide .phone-learn-hero-inner,
.phone-learning-guide .phone-learn-progress-inner,
.phone-learning-guide .tutorial-source-note{
  width:min(960px,calc(100% - 64px));
}

.phone-learn-hero{
  display:block;
  min-height:0;
  padding:52px 0 40px;
  background:
    radial-gradient(circle at 82% 18%,rgba(158,109,120,.08),transparent 27%),
    linear-gradient(180deg,#fbfaf9 0%,var(--learn-paper) 100%);
}
.phone-learn-hero-inner{display:block}
.phone-learn-kicker{
  display:block;
  margin:0 0 15px;
  color:var(--learn-accent);
  font:650 13px/1.3 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei UI","PingFang SC",sans-serif;
  letter-spacing:.04em;
}
.phone-learn-hero h1{
  max-width:920px;
  margin:0;
  color:var(--learn-ink);
  font-size:clamp(48px,4.2vw,56px);
  font-weight:650;
  line-height:1.06;
  letter-spacing:-.045em;
}
.phone-learn-hero h1 em{display:inline;color:var(--learn-ink);font-style:normal;font-weight:650}
.phone-learn-lead{
  max-width:720px;
  margin:20px 0 0;
  padding:0;
  border:0;
  color:#56514c;
  font-size:17px;
  font-weight:450;
  line-height:1.7;
}
.phone-hero-principles{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  margin:30px 0 0;
  padding:0;
  border-top:1px solid var(--learn-line);
  border-bottom:1px solid var(--learn-line);
  list-style:none;
}
.phone-hero-principles li{
  display:grid;
  grid-template-columns:30px minmax(0,1fr);
  gap:2px 12px;
  padding:18px 22px 19px 0;
}
.phone-hero-principles li+li{padding-left:22px;border-left:1px solid var(--learn-line)}
.phone-hero-principles span{grid-row:1/3;padding-top:4px;color:var(--learn-accent);font:700 10px/1 DM Mono,monospace}
.phone-hero-principles b{font-size:17px;line-height:1.3}
.phone-hero-principles p{margin:2px 0 0;color:var(--learn-muted);font-size:13px;line-height:1.45}

.phone-learn-progress-inner{
  display:flex;
  grid-template-columns:none;
  gap:38px;
}
.phone-step-link{flex:0 0 auto;gap:8px;padding:13px 0}
.phone-step-link:first-of-type{padding-left:0}
.phone-step-link b{font-size:10px}.phone-step-link span{font-size:13px}

.phone-learn-section{padding:58px 0;scroll-margin-top:116px}
.phone-learn-head,
.phone-learn-setup .phone-learn-head,
.phone-learn-review .phone-learn-head{
  display:block;
  max-width:760px;
  margin:0 0 30px;
  padding:0;
}
.phone-learn-head>span,
.phone-learn-setup .phone-learn-head>span,
.phone-learn-review .phone-learn-head>span{
  display:block;
  margin:0 0 11px;
  padding:0;
  color:var(--learn-accent);
  font:700 12px/1.25 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei UI","PingFang SC",sans-serif;
  letter-spacing:.03em;
}
.phone-learn-head h2,
.phone-learn-setup .phone-learn-head h2,
.phone-learn-review .phone-learn-head h2{
  max-width:760px;
  margin:0;
  font-size:clamp(38px,3.5vw,44px);
  font-weight:640;
  line-height:1.08;
  letter-spacing:-.04em;
}
.phone-learn-head p,
.phone-learn-setup .phone-learn-head p,
.phone-learn-review .phone-learn-head p{
  max-width:650px;
  margin:12px 0 0;
  color:var(--learn-muted);
  font-size:15px;
  line-height:1.65;
}

.phone-settings-block{grid-template-columns:150px minmax(0,1fr)}
.phone-settings-label{padding:22px 24px 22px 0}
.phone-settings-label span{font-size:11px}
.phone-settings-label p{margin-top:10px;font-size:17px}
.phone-learn-settings{padding-left:24px}
.phone-learn-settings li{grid-template-columns:64px minmax(170px,.8fr) minmax(180px,1fr);padding:17px 0}
.phone-learn-settings span{font-size:11px}
.phone-learn-settings strong{font-size:17px}
.phone-learn-settings p{font-size:13px}
.phone-learn-note{
  display:grid;
  grid-template-columns:150px minmax(0,1fr);
  gap:24px;
  margin:12px 0 0;
  padding:13px 0;
}
.phone-learn-note b{font-size:12px}
.phone-learn-note span{font-size:12px;text-align:left}

.phone-learn-routes{padding:60px 0 64px}
.phone-learn-routes .phone-learn-head{max-width:760px;margin-bottom:24px}
.phone-route-tabs{margin:0 0 16px;padding:4px}
.phone-route-tabs button{min-width:112px;padding:10px 20px;font-size:13px}
.phone-route-panel{grid-template-columns:minmax(0,1.18fr) minmax(310px,.82fr);min-height:440px}
.phone-route-panel-visual{min-height:440px}
.phone-route-panel-copy{padding:36px 34px}
.phone-route-panel-copy h3{font-size:clamp(34px,3.2vw,40px)}
.phone-route-panel-copy>p{font-size:13px}
.phone-route-panel-copy li b{font-size:12px}.phone-route-panel-copy li span{font-size:12px}

.phone-learn-review{padding:58px 0 52px}
.phone-troubleshoot article{grid-template-columns:40px 160px minmax(0,.85fr) minmax(0,1.2fr);gap:18px;padding:21px 0}
.phone-troubleshoot h3{font-size:18px}
.phone-troubleshoot p{font-size:13px}
.phone-final-check{font-size:12px}.phone-final-check strong{font-size:12px}

@media (max-width:720px){
  .phone-learning-guide>.phone-learn-section>.shell,
  .phone-learning-guide .phone-learn-hero-inner,
  .phone-learning-guide .phone-learn-progress-inner,
  .phone-learning-guide .tutorial-source-note{width:min(100% - 34px,960px)}
  .phone-learn-hero{padding:38px 0 30px}
  .phone-learn-kicker{margin-bottom:12px;font-size:12px}
  .phone-learn-hero h1{font-size:clamp(36px,10.8vw,44px);line-height:1.08}
  .phone-learn-lead{margin-top:16px;font-size:15px;line-height:1.65}
  .phone-hero-principles{display:block;margin-top:24px}
  .phone-hero-principles li,
  .phone-hero-principles li+li{
    display:grid;
    grid-template-columns:28px 86px minmax(0,1fr);
    align-items:center;
    gap:8px;
    padding:13px 0;
    border:0;
    border-bottom:1px solid var(--learn-line);
  }
  .phone-hero-principles li:last-child{border-bottom:0}
  .phone-hero-principles span{grid-row:auto;padding:0}
  .phone-hero-principles b{font-size:16px}
  .phone-hero-principles p{margin:0;font-size:12px}
  .phone-learn-progress-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
  .phone-step-link{justify-content:center;gap:4px;padding:11px 0}
  .phone-step-link b{font-size:8px}.phone-step-link span{font-size:10px}
  .phone-learn-section{padding:42px 0;scroll-margin-top:104px}
  .phone-learn-head,
  .phone-learn-setup .phone-learn-head,
  .phone-learn-review .phone-learn-head{margin-bottom:24px}
  .phone-learn-head>span,
  .phone-learn-setup .phone-learn-head>span,
  .phone-learn-review .phone-learn-head>span{margin-bottom:8px;font-size:11px}
  .phone-learn-head h2,
  .phone-learn-setup .phone-learn-head h2,
  .phone-learn-review .phone-learn-head h2{font-size:clamp(30px,8.7vw,36px);line-height:1.1}
  .phone-learn-head p,
  .phone-learn-setup .phone-learn-head p,
  .phone-learn-review .phone-learn-head p{font-size:13px}
  .phone-settings-block{display:block}
  .phone-settings-label{display:flex;align-items:end;justify-content:space-between;padding:15px 0}
  .phone-settings-label p{margin:0;font-size:16px;text-align:right}
  .phone-learn-settings{padding:0;border-left:0;border-top:1px solid var(--learn-line)}
  .phone-learn-settings li{grid-template-columns:50px minmax(116px,.85fr) minmax(0,1fr);gap:9px;padding:14px 0}
  .phone-learn-settings strong{font-size:15px}.phone-learn-settings p{font-size:11px}
  .phone-learn-note{display:block;margin-top:10px;padding:12px 0}
  .phone-learn-note span{display:block;margin-top:5px}
  .phone-learn-routes{padding:44px 0 48px}
  .phone-route-tabs{width:100%;margin-bottom:12px}
  .phone-route-panel{grid-template-columns:1fr;min-height:0}
  .phone-route-panel-visual{min-height:230px}
  .phone-route-panel-copy{padding:24px 20px 27px}
  .phone-route-panel-copy h3{font-size:31px}
  .phone-route-panel-copy>p{font-size:12px}
  .phone-route-panel-copy li b,.phone-route-panel-copy li span{font-size:11px}
  .phone-learn-review{padding:42px 0 38px}
  .phone-troubleshoot article{grid-template-columns:28px minmax(0,1fr);gap:7px 11px;padding:17px 0}
  .phone-troubleshoot span{grid-column:1;grid-row:1}
  .phone-troubleshoot h3{grid-column:2;grid-row:1;font-size:17px}
  .phone-troubleshoot p{grid-column:2;font-size:12px}
}

/* Phone capture — four-color learning system */
.phone-learning-guide{
  --guide-purple:#8267a9;
  --guide-purple-soft:#f6f2fb;
  --guide-blue:#4d82a5;
  --guide-blue-soft:#f0f7fa;
  --guide-gold:#a88438;
  --guide-gold-soft:#fcf8ee;
  --guide-red:#c75b6e;
  --guide-red-soft:#fcf2f4;
}
.phone-learn-kicker{color:var(--guide-purple)}
.phone-guide-cards{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
  margin:30px 0 0;
  padding:0;
  list-style:none;
}
.phone-guide-cards li{
  --card-accent:var(--guide-purple);
  --card-soft:var(--guide-purple-soft);
  position:relative;
  min-height:218px;
  padding:20px 19px 18px;
  overflow:hidden;
  border:1px solid #dedbd8;
  border-radius:20px;
  background:rgba(255,255,255,.72);
  box-shadow:0 10px 28px rgba(55,47,43,.035);
}
.phone-guide-cards li:before{
  content:"";
  position:absolute;
  top:0;
  right:0;
  left:0;
  height:3px;
  background:linear-gradient(90deg,var(--card-accent),transparent 82%);
  opacity:.72;
}
.phone-guide-cards .is-blue{--card-accent:var(--guide-blue);--card-soft:var(--guide-blue-soft)}
.phone-guide-cards .is-gold{--card-accent:var(--guide-gold);--card-soft:var(--guide-gold-soft)}
.phone-guide-cards .is-red{--card-accent:var(--guide-red);--card-soft:var(--guide-red-soft)}
.phone-guide-icon{
  display:grid;
  width:48px;
  height:48px;
  margin-bottom:22px;
  place-items:center;
  border:1px solid color-mix(in srgb,var(--card-accent) 28%,white);
  border-radius:15px;
  background:var(--card-soft);
  color:var(--card-accent);
  box-shadow:0 10px 24px color-mix(in srgb,var(--card-accent) 10%,transparent);
}
.phone-guide-icon svg{display:block;width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.phone-guide-cards b{display:block;margin:0 0 15px;font-size:18px;line-height:1.25;letter-spacing:-.02em}
.phone-guide-cards strong{display:block;margin:0 0 7px;color:#34312e;font-size:13px;line-height:1.5}
.phone-guide-cards p{margin:0;color:#77716b;font-size:12px;line-height:1.6}

.phone-learn-progress-line i{background:linear-gradient(90deg,var(--guide-purple) 0 30%,var(--guide-blue) 30% 58%,var(--guide-gold) 58% 72%,var(--guide-red) 72% 100%)}
.phone-step-link:nth-of-type(1).is-active b{color:var(--guide-purple)}
.phone-step-link:nth-of-type(2).is-active b{color:var(--guide-blue)}
.phone-step-link:nth-of-type(3).is-active b{color:var(--guide-red)}

.phone-learn-setup .phone-learn-head>span,
.phone-settings-label span,
.phone-learn-note b{color:var(--guide-purple)}
.phone-settings-block{box-shadow:inset 0 2px 0 color-mix(in srgb,var(--guide-purple) 42%,transparent)}
.phone-learn-routes .phone-learn-head>span{color:var(--guide-blue)}
.phone-learn-review .phone-learn-head>span,
.phone-troubleshoot span{color:var(--guide-red)}

.phone-route-tabs button[data-route-target="route-space"].is-active{background:var(--guide-blue);color:#fff}
.phone-route-tabs button[data-route-target="route-object"].is-active{background:var(--guide-gold);color:#fff}
#route-space .phone-route-accent{stroke:var(--guide-blue)}
#route-space circle{fill:var(--guide-blue)}
#route-object .phone-route-accent{stroke:var(--guide-gold)}
#route-object circle{fill:var(--guide-gold)}
#route-space .phone-route-panel-copy>span{color:var(--guide-blue)}
#route-object .phone-route-panel-copy>span{color:var(--guide-gold)}
.phone-final-check span:nth-of-type(1){border-color:color-mix(in srgb,var(--guide-purple) 28%,var(--learn-line));color:var(--guide-purple)}
.phone-final-check span:nth-of-type(2){border-color:color-mix(in srgb,var(--guide-blue) 28%,var(--learn-line));color:var(--guide-blue)}
.phone-final-check span:nth-of-type(3){border-color:color-mix(in srgb,var(--guide-red) 28%,var(--learn-line));color:var(--guide-red)}

@media (max-width:820px){
  .phone-guide-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .phone-guide-cards li{min-height:194px}
}

@media (max-width:520px){
  .phone-guide-cards{gap:9px;margin-top:24px}
  .phone-guide-cards li{min-height:180px;padding:15px 14px 14px;border-radius:17px}
  .phone-guide-icon{width:42px;height:42px;margin-bottom:16px;border-radius:13px}
  .phone-guide-icon svg{width:21px;height:21px}
  .phone-guide-cards b{margin-bottom:10px;font-size:16px}
  .phone-guide-cards strong{font-size:11.5px}
  .phone-guide-cards p{font-size:10.5px;line-height:1.5}
}

@supports not (color:color-mix(in srgb,red,blue)){
  .phone-guide-icon{border-color:#ded8df;box-shadow:0 10px 24px rgba(67,55,73,.06)}
  .phone-settings-block{box-shadow:inset 0 2px 0 rgba(130,103,169,.35)}
}

/* Phone capture — sequential tutorial refinement */
.phone-learn-hero h1{max-width:960px}
.phone-learn-lead{max-width:760px}
.phone-guide-cards li{min-height:224px;padding:20px 19px 19px}
.phone-guide-cards .is-blue,
.phone-guide-cards .is-gold{
  border-color:color-mix(in srgb,var(--card-accent) 22%,#dedbd8);
  box-shadow:0 14px 34px color-mix(in srgb,var(--card-accent) 8%,transparent);
}
.phone-guide-step{
  position:absolute;
  top:19px;
  right:18px;
  color:var(--card-accent);
  font:750 11px/1 DM Mono,ui-monospace,monospace;
  letter-spacing:.08em;
}
.phone-guide-cards b{margin-bottom:13px}
.phone-guide-cards strong{font-size:14px;line-height:1.45}
.phone-guide-cards p{color:#625d58;font-size:13px;line-height:1.55}

.phone-learn-progress-line i{background:var(--guide-purple)}
.phone-learning-guide[data-active-step="phone-setup"] .phone-learn-progress-line i{background:var(--guide-purple)}
.phone-learning-guide[data-active-step="phone-routes"] .phone-learn-progress-line i{background:var(--guide-blue)}
.phone-learning-guide[data-active-step="phone-check"] .phone-learn-progress-line i{background:var(--guide-red)}

.phone-learn-settings span{font-size:12px}
.phone-learn-settings p{color:#5f5954;font-size:14px}
.phone-learn-note b,.phone-learn-note span{font-size:13px}

.phone-learn-routes{padding:40px 0 54px}
.phone-learn-routes>.shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:end;
  column-gap:28px;
}
.phone-learn-routes .phone-learn-head{margin-bottom:18px}
.phone-route-tabs{margin:0 0 18px}
.phone-route-stage{grid-column:1/-1}
.phone-route-panel{min-height:400px}
.phone-route-panel-visual{min-height:400px}
.phone-route-panel-copy{padding:32px 34px}
.phone-route-panel-copy h3{font-size:clamp(33px,3vw,39px)}
.phone-route-panel-copy>p{color:#5e5852;font-size:14px}
.phone-route-panel-copy li{padding:13px 0}
.phone-route-panel-copy li b,.phone-route-panel-copy li span{font-size:13px}

.phone-troubleshoot p{color:#514c47;font-size:14px}
.phone-troubleshoot p b{color:#6f6761;font-size:11px}
.phone-final-check{font-size:13px}.phone-final-check strong{font-size:13px}

@media (max-width:720px){
  .phone-guide-cards li{min-height:198px}
  .phone-guide-cards strong{font-size:12.5px}
  .phone-guide-cards p{font-size:12px}
  .phone-guide-step{top:15px;right:14px;font-size:10px}
  .phone-learn-settings p{font-size:12px}
  .phone-learn-routes>.shell{display:block}
  .phone-learn-routes .phone-learn-head{margin-bottom:20px}
  .phone-route-panel-visual{min-height:230px}
  .phone-route-panel-copy>p{font-size:13px}
  .phone-route-panel-copy li b,.phone-route-panel-copy li span{font-size:12px}
  .phone-troubleshoot p{font-size:13px}
}

@supports not (color:color-mix(in srgb,red,blue)){
  .phone-guide-cards .is-blue,.phone-guide-cards .is-gold{border-color:#d8d3cf;box-shadow:0 14px 34px rgba(55,47,43,.05)}
}

/* Shared device tutorials: the same four-step learning logic as the phone guide. */
.device-learning-guide{
  --guide-purple:#8267a9;
  --guide-blue:#4f86ab;
  --guide-gold:#ad8738;
  --guide-red:#c95769;
  --guide-card:#fff;
  --guide-card-line:#deddd9;
  --guide-card-ink:#171717;
  --guide-card-muted:#6e6b67;
  padding:76px 0 92px;
}
.device-guide-learning-hero{max-width:930px;margin:0 0 46px}
.device-guide-learning-hero .home-kicker{display:block;color:var(--guide-purple);font-size:10px;letter-spacing:.16em}
.device-guide-learning-hero h1{max-width:900px;margin:19px 0 20px;font-size:clamp(48px,5.1vw,68px);font-weight:550;line-height:1.02;letter-spacing:-.058em}
.device-guide-learning-hero>p{max-width:760px;margin:0;color:#615f5b;font-size:15px;line-height:1.75}
.device-learning-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:0 0 54px;padding:0;list-style:none}
.device-learning-cards li{--card-accent:var(--guide-purple);position:relative;min-width:0;min-height:218px;padding:20px 19px 19px;border:1px solid var(--guide-card-line);border-radius:23px;background:var(--guide-card);color:var(--guide-card-ink);box-shadow:0 16px 40px rgba(40,35,32,.045);overflow:hidden}
.device-learning-cards li:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--card-accent),transparent 78%)}
.device-learning-cards .is-blue{--card-accent:var(--guide-blue)}
.device-learning-cards .is-gold{--card-accent:var(--guide-gold)}
.device-learning-cards .is-red{--card-accent:var(--guide-red)}
.device-learning-step{position:absolute;top:18px;right:18px;color:var(--card-accent);font:700 10px/1 DM Mono,monospace}
.device-learning-icon{display:grid;width:48px;height:48px;margin-bottom:25px;place-items:center;border:1px solid color-mix(in srgb,var(--card-accent) 28%,#fff);border-radius:15px;background:color-mix(in srgb,var(--card-accent) 7%,#fff);color:var(--card-accent);box-shadow:0 10px 26px color-mix(in srgb,var(--card-accent) 11%,transparent)}
.device-learning-icon svg{display:block;width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.device-learning-cards b,.device-learning-cards strong{display:block}
.device-learning-cards b{margin-bottom:13px;font-size:18px;line-height:1.25;letter-spacing:-.02em}
.device-learning-cards strong{margin-bottom:7px;color:#383532;font-size:13px;line-height:1.45}
.device-learning-cards p{margin:0;color:var(--guide-card-muted);font-size:12px;line-height:1.55}
.device-learning-guide .capture-spec-strip{margin-bottom:46px}
.device-learning-guide .motion-guide{margin-bottom:46px;border-radius:24px}
.device-learning-guide .device-guide-grid{border-radius:24px;overflow:hidden}
.device-learning-guide .device-guide-band{margin-top:46px}
.device-learning-guide .motion-guide-list p,.device-learning-guide .device-guide-panel dd,.device-learning-guide .device-guide-panel li p,.device-learning-guide .device-guide-band p{font-size:12px}

.device-learning-guide.device-guide-dark{--guide-card:#222221;--guide-card-line:#ffffff22;--guide-card-ink:#fff;--guide-card-muted:#aaa9a5}
.device-learning-guide.device-guide-dark .device-guide-learning-hero>p{color:#b9b9b5}
.device-learning-guide.device-guide-dark .device-learning-cards li{box-shadow:none}
.device-learning-guide.device-guide-dark .device-learning-cards strong{color:#e6e5e2}
.device-learning-guide.device-guide-dark .device-learning-icon{border-color:color-mix(in srgb,var(--card-accent) 44%,#2a2928);background:color-mix(in srgb,var(--card-accent) 10%,#222221)}

.device-accessories.device-learning-guide .device-guide-learning-hero>p{color:#fff}
.device-accessories.device-learning-guide .device-guide-learning-hero .home-kicker{color:#fff}
.device-accessories.device-learning-guide .device-learning-cards{margin-bottom:46px}
.device-accessories.device-learning-guide .device-learning-cards li{box-shadow:0 18px 42px rgba(133,22,51,.16)}

@media (max-width:1000px){
  .device-learning-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .device-learning-cards li{min-height:205px}
}
@media (max-width:600px){
  .device-learning-guide{padding:52px 0 66px}
  .device-guide-learning-hero{margin-bottom:30px}
  .device-guide-learning-hero h1{margin-top:14px;font-size:clamp(38px,10.6vw,48px);line-height:1.08}
  .device-guide-learning-hero>p{font-size:13px;line-height:1.7}
  .device-learning-cards{gap:9px;margin-bottom:38px}
  .device-learning-cards li{min-height:188px;padding:15px 14px 14px;border-radius:17px}
  .device-learning-step{top:14px;right:13px;font-size:9px}
  .device-learning-icon{width:42px;height:42px;margin-bottom:17px;border-radius:13px}
  .device-learning-icon svg{width:21px;height:21px}
  .device-learning-cards b{margin-bottom:9px;font-size:16px}
  .device-learning-cards strong{font-size:11.5px}
  .device-learning-cards p{font-size:10.5px;line-height:1.5}
  .device-learning-guide .motion-guide,.device-learning-guide .device-guide-grid{border-radius:18px}
}

/* Device catalog: choose by operating difficulty instead of a flat card wall. */
.device-difficulty-list{margin-top:58px;border-bottom:1px solid #d8d7d3}
.device-difficulty-tier{--level-accent:#4f86ab;display:grid;grid-template-columns:190px minmax(0,1fr);gap:42px;padding:34px 0 40px;border-top:1px solid #d8d7d3}
.device-difficulty-tier.is-medium{--level-accent:#ad8738}
.device-difficulty-tier.is-hard{--level-accent:#c95769}
.device-difficulty-label{padding-top:7px}
.device-difficulty-label>span{display:block;color:var(--level-accent);font:700 10px/1 DM Mono,monospace;letter-spacing:.14em}
.device-difficulty-label h3{margin:17px 0 11px;font-size:31px;font-weight:570;line-height:1;letter-spacing:-.045em}
.device-difficulty-label p{max-width:170px;margin:0;color:#77736f;font-size:12px;line-height:1.65}
.device-tier-grid{display:grid;gap:14px}
.device-tier-grid-two{grid-template-columns:repeat(2,minmax(0,1fr))}
.device-tier-grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}
.device-tier-grid-one{grid-template-columns:repeat(2,minmax(0,1fr))}
.device-difficulty-tier .device-card{position:relative;min-height:235px;padding:25px 25px 23px;border:1px solid #dfdedb;border-radius:24px;background:#fff;box-shadow:0 14px 34px rgba(52,46,42,.035);overflow:hidden}
.device-difficulty-tier .device-card:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--level-accent),transparent 78%)}
.device-difficulty-tier .device-card>span{color:var(--level-accent)}
.device-difficulty-tier .device-card h2{margin:43px 0 11px;font-size:24px}
.device-difficulty-tier .device-card p{max-width:290px;font-size:12px;line-height:1.7}
.device-difficulty-tier .device-card:hover{border-color:#171717;background:#171717}
.device-difficulty-tier .device-card:hover>span{color:#fff}
.device-difficulty-tier .device-card[data-video-verified="true"]:after{top:25px;right:25px}
.device-accessory-row{display:grid;grid-template-columns:190px minmax(0,1fr) auto;gap:42px;align-items:center;margin:34px 0 40px;padding:26px 28px;border:1px solid #e0dadd;border-radius:22px;background:#fff5f7;color:#171717;text-decoration:none;transition:transform .2s ease,border-color .2s ease,background .2s ease}
.device-accessory-row>span{color:#c95769;font:700 10px/1 DM Mono,monospace;letter-spacing:.13em}
.device-accessory-row h3{margin:0 0 7px;font-size:21px;letter-spacing:-.025em}
.device-accessory-row p{margin:0;color:#716a6d;font-size:12px;line-height:1.6}
.device-accessory-row>b{font-size:12px;white-space:nowrap}
.device-accessory-row:hover{border-color:#c95769;background:#fff;transform:translateY(-2px)}

@media (max-width:1000px){
  .device-difficulty-tier{grid-template-columns:145px minmax(0,1fr);gap:28px}
  .device-tier-grid-three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .device-accessory-row{grid-template-columns:145px minmax(0,1fr) auto;gap:28px}
}
@media (max-width:720px){
  .device-difficulty-list{margin-top:38px}
  .device-difficulty-tier{display:block;padding:27px 0 32px}
  .device-difficulty-label{display:grid;grid-template-columns:58px 88px 1fr;align-items:start;margin-bottom:19px;padding:0}
  .device-difficulty-label>span{padding-top:7px}
  .device-difficulty-label h3{margin:0;font-size:27px}
  .device-difficulty-label p{max-width:none;padding-top:3px}
  .device-tier-grid-two,.device-tier-grid-three,.device-tier-grid-one{grid-template-columns:repeat(2,minmax(0,1fr))}
  .device-difficulty-tier .device-card{min-height:218px;padding:21px 19px 19px;border-radius:19px}
  .device-difficulty-tier .device-card h2{margin-top:36px;font-size:21px}
  .device-difficulty-tier .device-card[data-video-verified="true"]:after{top:21px;right:18px;font-size:8px}
  .device-accessory-row{grid-template-columns:1fr auto;gap:9px 18px;margin:27px 0 31px;padding:22px}
  .device-accessory-row>span{grid-column:1/-1}.device-accessory-row p{max-width:380px}
}
@media (max-width:480px){
  .device-catalog .home-section-heading h2{font-size:clamp(35px,10vw,44px)}
  .device-difficulty-label{grid-template-columns:52px 72px 1fr}
  .device-difficulty-label p{font-size:11px}
  .device-tier-grid-two,.device-tier-grid-three,.device-tier-grid-one{grid-template-columns:1fr}
  .device-difficulty-tier .device-card{min-height:205px}
  .device-accessory-row{grid-template-columns:1fr}
  .device-accessory-row>b{margin-top:8px}
}

/* Device catalog refinement: one calm editorial container per difficulty. */
.device-catalog .home-section-heading{
  display:block;
  max-width:760px;
  margin:0 0 46px;
}
.device-catalog .home-section-heading>span{
  display:block;
  margin:0 0 16px;
  color:#7b7874;
  font-size:10px;
  letter-spacing:.16em;
}
.device-catalog .home-section-heading h2{
  max-width:720px;
  margin:0;
  font-size:clamp(43px,4.4vw,58px);
  font-weight:540;
  line-height:1.08;
  letter-spacing:-.052em;
}
.device-difficulty-list{
  margin-top:0;
  border:0;
}
.device-difficulty-tier{
  --level-accent:#171717;
  display:grid;
  grid-template-columns:210px minmax(0,1fr);
  gap:0;
  margin:0 0 18px;
  padding:0;
  border:1px solid #dfded9;
  border-radius:26px;
  background:#f7f7f4;
  overflow:hidden;
}
.device-difficulty-label{
  display:block;
  padding:30px 28px;
  border-right:1px solid #dfded9;
}
.device-difficulty-label>span{
  color:#8a8782;
}
.device-difficulty-label h3{
  margin:18px 0 12px;
  font-size:28px;
  font-weight:570;
  line-height:1;
}
.device-difficulty-label p{
  max-width:150px;
  color:#77736f;
  font-size:12px;
  line-height:1.65;
}
.device-tier-grid{
  gap:0;
  background:#fff;
}
.device-tier-grid-one{
  grid-template-columns:1fr;
}
.device-difficulty-tier .device-card{
  min-height:210px;
  padding:28px 28px 25px;
  border:0;
  border-left:1px solid #e5e3df;
  border-radius:0;
  background:transparent;
  box-shadow:none;
  transform:none;
}
.device-difficulty-tier .device-card:first-child{
  border-left:0;
}
.device-difficulty-tier .device-card:before{
  content:none;
}
.device-difficulty-tier .device-card>span{
  color:#8a8782;
}
.device-difficulty-tier .device-card h2{
  margin:34px 0 10px;
  font-size:23px;
  line-height:1.15;
}
.device-difficulty-tier .device-card p{
  max-width:270px;
  color:#66625e;
  font-size:12px;
  line-height:1.65;
}
.device-difficulty-tier .device-card b{
  font-size:12px;
}
.device-difficulty-tier .device-card:hover{
  border-color:#e5e3df;
  background:#f4f3ef;
  color:#171717;
  transform:none;
}
.device-difficulty-tier .device-card:hover p{
  color:#5f5b57;
}
.device-difficulty-tier .device-card:hover span{
  color:#6f6b66;
}
.device-difficulty-tier .device-card[data-video-verified="true"]:after{
  display:none;
}
.site-flow-device .device-difficulty-tier .device-card{
  border:0;
  border-left:1px solid #e5e3df;
  border-radius:0;
  background:transparent;
  box-shadow:none;
}
.site-flow-device .device-difficulty-tier .device-card:first-child{
  border-left:0;
}
.site-flow-device .device-difficulty-tier .device-card:hover{
  border-color:#e5e3df;
  background:#f4f3ef;
  box-shadow:none;
}
.device-accessory-row{
  grid-template-columns:210px minmax(0,1fr) auto;
  gap:0;
  margin:26px 0 40px;
  padding:0;
  border-color:#dfded9;
  border-radius:22px;
  background:#f7f7f4;
  box-shadow:none;
  transform:none;
  overflow:hidden;
}
.device-accessory-row>span{
  align-self:stretch;
  display:flex;
  align-items:center;
  padding:24px 28px;
  border-right:1px solid #dfded9;
  color:#78736e;
}
.device-accessory-row>div{
  padding:22px 28px;
}
.device-accessory-row>b{
  padding:0 28px;
}
.device-accessory-row:hover{
  border-color:#c7c4be;
  background:#f1f0ec;
  transform:none;
}

@media (max-width:1000px){
  .device-difficulty-tier{grid-template-columns:165px minmax(0,1fr)}
  .device-difficulty-label{padding:27px 22px}
  .device-tier-grid-three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .device-tier-grid-three .device-card:nth-child(3){border-top:1px solid #e5e3df;border-left:0}
  .device-accessory-row{grid-template-columns:165px minmax(0,1fr) auto}
  .device-accessory-row>span{padding:22px}
}
@media (max-width:720px){
  .device-catalog .home-section-heading{margin-bottom:32px}
  .device-catalog .home-section-heading h2{font-size:clamp(38px,9vw,48px)}
  .device-difficulty-tier{display:block;margin-bottom:14px;border-radius:21px}
  .device-difficulty-label{
    display:grid;
    grid-template-columns:58px 82px minmax(0,1fr);
    align-items:start;
    margin:0;
    padding:21px 20px;
    border-right:0;
    border-bottom:1px solid #dfded9;
  }
  .device-difficulty-label>span{padding-top:5px}
  .device-difficulty-label h3{margin:0;font-size:24px}
  .device-difficulty-label p{max-width:none;padding-top:2px}
  .device-tier-grid-two,.device-tier-grid-three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .device-tier-grid-one{grid-template-columns:1fr}
  .device-difficulty-tier .device-card{min-height:190px;padding:22px 20px 20px}
  .device-difficulty-tier .device-card h2{margin-top:28px;font-size:20px}
  .device-accessory-row{grid-template-columns:1fr auto;gap:0;margin-top:20px}
  .device-accessory-row>span{grid-column:1/-1;padding:18px 20px;border-right:0;border-bottom:1px solid #dfded9}
  .device-accessory-row>div{padding:20px}
  .device-accessory-row>b{padding:0 20px}
}
@media (max-width:480px){
  .device-catalog .home-section-heading h2{font-size:clamp(34px,10vw,42px)}
  .device-difficulty-label{grid-template-columns:48px 72px minmax(0,1fr);padding:19px 17px}
  .device-difficulty-label p{font-size:10.5px}
  .device-tier-grid-two,.device-tier-grid-three,.device-tier-grid-one{grid-template-columns:1fr}
  .device-difficulty-tier .device-card{
    min-height:176px;
    padding:20px 18px 18px;
    border-left:0;
    border-top:1px solid #e5e3df;
  }
  .site-flow-device .device-difficulty-tier .device-card{
    border-left:0;
    border-top:1px solid #e5e3df;
  }
  .device-difficulty-tier .device-card:first-child{border-top:0}
  .site-flow-device .device-difficulty-tier .device-card:first-child{border-top:0}
  .device-tier-grid-three .device-card:nth-child(3){border-top:1px solid #e5e3df}
  .device-difficulty-tier .device-card h2{margin-top:23px}
  .device-accessory-row{grid-template-columns:1fr}
  .device-accessory-row>b{padding:0 20px 20px}
}

/* Device page focus pass: remove index-like metadata and lead with decisions. */
.device-hero h1{
  margin-top:0;
}
.capture-basic{
  min-height:190px;
  padding-top:31px;
  padding-bottom:31px;
}
.capture-basic h3{
  margin:0 0 15px;
}
.device-catalog .home-section-heading{
  margin-bottom:38px;
}
.device-difficulty-tier{
  grid-template-columns:190px minmax(0,1fr);
}
.device-difficulty-label{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:27px 26px;
}
.device-difficulty-label h3{
  margin:0 0 13px;
  font-size:27px;
}
.device-difficulty-label p{
  max-width:138px;
}
.device-difficulty-tier .device-card,
.site-flow-device .device-difficulty-tier .device-card{
  min-height:172px;
  padding:27px 27px 24px;
}
.device-difficulty-tier .device-card h2{
  margin:0 0 10px;
  font-size:23px;
}
.device-difficulty-tier .device-card p{
  margin:0;
}
.device-difficulty-tier .device-card b{
  padding-top:20px;
}
.device-tier-grid-one .device-card,
.site-flow-device .device-tier-grid-one .device-card{
  display:grid;
  grid-template-columns:minmax(170px,.4fr) minmax(260px,1fr) auto;
  column-gap:34px;
  align-items:center;
  min-height:146px;
}
.device-tier-grid-one .device-card h2{
  margin:0;
}
.device-tier-grid-one .device-card p{
  max-width:470px;
}
.device-tier-grid-one .device-card b{
  margin:0;
  padding:0;
  white-space:nowrap;
}
.device-accessory-row{
  grid-template-columns:190px minmax(0,1fr) auto;
}

@media (max-width:1000px){
  .device-difficulty-tier{grid-template-columns:160px minmax(0,1fr)}
  .device-difficulty-label{padding:24px 21px}
  .device-tier-grid-one .device-card,
  .site-flow-device .device-tier-grid-one .device-card{
    grid-template-columns:150px minmax(220px,1fr) auto;
    column-gap:24px;
  }
  .device-accessory-row{grid-template-columns:160px minmax(0,1fr) auto}
}
@media (max-width:720px){
  .capture-basic{min-height:auto}
  .device-difficulty-label{
    display:grid;
    grid-template-columns:74px minmax(0,1fr);
    align-items:start;
    padding:19px 20px;
  }
  .device-difficulty-label h3{margin:0;font-size:23px}
  .device-difficulty-label p{max-width:none;padding:2px 0 0}
  .device-difficulty-tier .device-card,
  .site-flow-device .device-difficulty-tier .device-card{min-height:166px}
  .device-tier-grid-one .device-card,
  .site-flow-device .device-tier-grid-one .device-card{
    display:flex;
    min-height:166px;
  }
  .device-tier-grid-one .device-card h2{margin:0 0 10px}
  .device-tier-grid-one .device-card b{margin-top:auto;padding-top:20px}
}
@media (max-width:480px){
  .device-catalog .home-section-heading{margin-bottom:28px}
  .device-difficulty-label{grid-template-columns:66px minmax(0,1fr);padding:17px 18px}
  .device-difficulty-tier .device-card,
  .site-flow-device .device-difficulty-tier .device-card{min-height:154px;padding:21px 18px 18px}
}

/* Device page editorial layout: one clear reading path, fewer competing containers. */
.site-flow-device .device-hero{
  padding:clamp(96px,8vw,128px) 0 clamp(92px,7vw,118px);
}
.device-hero .shell{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(360px,.58fr);
  gap:clamp(64px,8vw,132px);
  align-items:end;
}
.device-hero h1{
  margin:0;
  font-size:clamp(58px,6vw,84px);
  line-height:.98;
}
.device-hero p{
  max-width:540px;
  margin:0;
  font-size:15px;
  line-height:1.8;
}
.site-flow-device .capture-basics{
  padding:clamp(84px,7vw,112px) 0 clamp(88px,7vw,116px);
}
.capture-basics-head{
  grid-template-columns:minmax(0,.9fr) minmax(340px,.7fr);
  gap:clamp(56px,7vw,108px);
  align-items:end;
}
.capture-basics-head h2{
  max-width:720px;
  margin:0;
  font-size:clamp(42px,4.5vw,60px);
  line-height:1.08;
}
.capture-basics-head>p{
  max-width:530px;
  font-size:14px;
  line-height:1.75;
}
.capture-basics-grid{
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  margin-top:48px;
  border:1px solid #deddd8;
  border-radius:24px;
  background:#fff;
  overflow:hidden;
}
.capture-basic,
.capture-basic:first-child{
  min-height:184px;
  padding:30px 30px 28px;
  border-right:1px solid #deddd8;
  border-bottom:0;
}
.capture-basic:last-child{
  border-right:0;
}
.capture-basic h3{
  margin:0 0 14px;
  font-size:20px;
  line-height:1.32;
}
.capture-basic p{
  max-width:330px;
  font-size:12.5px;
  line-height:1.72;
}
.site-flow-device .device-catalog{
  padding-top:clamp(90px,7vw,116px);
  padding-bottom:clamp(96px,8vw,124px);
}
.device-catalog .home-section-heading{
  display:grid;
  grid-template-columns:minmax(0,.88fr) minmax(340px,.62fr);
  gap:clamp(56px,7vw,108px);
  align-items:end;
  max-width:none;
  margin:0;
}
.device-catalog .home-section-heading h2{
  max-width:680px;
  font-size:clamp(42px,4.5vw,60px);
  line-height:1.08;
}
.device-catalog-intro{
  max-width:540px;
  margin:0;
  color:#68645f;
  font-size:14px;
  line-height:1.75;
}
.device-difficulty-list{
  margin-top:52px;
  border-top:1px solid #d8d6d1;
}
.device-difficulty-tier{
  display:grid;
  grid-template-columns:190px minmax(0,1fr);
  gap:0;
  margin:0;
  border:0;
  border-bottom:1px solid #d8d6d1;
  border-radius:0;
  background:transparent;
  overflow:visible;
}
.device-difficulty-label{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:31px 28px 31px 0;
  border:0;
}
.device-difficulty-label h3{
  margin:0 0 11px;
  font-size:25px;
  line-height:1.08;
}
.device-difficulty-label p{
  max-width:148px;
  margin:0;
  font-size:11.5px;
  line-height:1.65;
}
.device-tier-grid{
  gap:0;
  background:transparent;
}
.device-difficulty-tier .device-card,
.site-flow-device .device-difficulty-tier .device-card{
  min-height:174px;
  padding:31px 30px 27px;
  border:0;
  border-left:1px solid #e2e0dc;
  border-radius:0;
  background:transparent;
  box-shadow:none;
}
.device-difficulty-tier .device-card:first-child,
.site-flow-device .device-difficulty-tier .device-card:first-child{
  border-left:1px solid #e2e0dc;
}
.device-difficulty-tier .device-card h4{
  margin:0 0 11px;
  color:#171717;
  font-size:22px;
  font-weight:650;
  line-height:1.2;
  letter-spacing:-.025em;
}
.device-difficulty-tier .device-card p{
  max-width:300px;
  color:#68645f;
  font-size:12px;
  line-height:1.65;
}
.device-difficulty-tier .device-card b{
  margin-top:auto;
  padding-top:18px;
  font-size:12px;
}
.device-difficulty-tier .device-card:hover,
.site-flow-device .device-difficulty-tier .device-card:hover{
  border-color:#e2e0dc;
  background:#f4f3ef;
  color:#171717;
  box-shadow:none;
  transform:none;
}
.device-tier-grid-one .device-card,
.site-flow-device .device-tier-grid-one .device-card{
  display:grid;
  grid-template-columns:minmax(180px,.42fr) minmax(260px,1fr) auto;
  column-gap:32px;
  align-items:center;
  min-height:142px;
}
.device-tier-grid-one .device-card h4{
  margin:0;
}
.device-tier-grid-one .device-card b{
  margin:0;
  padding:0;
  white-space:nowrap;
}
.device-accessory-row{
  grid-template-columns:190px minmax(0,1fr) auto;
  gap:0;
  margin:0;
  padding:0;
  border:0;
  border-bottom:1px solid #d8d6d1;
  border-radius:0;
  background:transparent;
  overflow:visible;
}
.device-accessory-row>span{
  padding:28px 28px 28px 0;
  border:0;
  color:#77736f;
  font:650 11px/1.4 "Microsoft YaHei UI","PingFang SC",sans-serif;
  letter-spacing:0;
}
.device-accessory-row>div{
  padding:27px 30px;
  border-left:1px solid #e2e0dc;
}
.device-accessory-row h3{
  margin-bottom:8px;
  font-size:21px;
}
.device-accessory-row>b{
  padding:0 4px 0 30px;
  font-size:12px;
}
.device-accessory-row:hover{
  border-color:#d8d6d1;
  background:#f4f3ef;
  transform:none;
}
.device-catalog-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding-top:30px;
}
.device-catalog-footer p{
  margin:0;
  color:#77736f;
  font-size:11px;
  line-height:1.65;
}
.device-catalog-footer a{
  color:#171717;
  font-size:12px;
  font-weight:750;
  text-decoration:none;
}

@media (max-width:900px){
  .device-hero .shell,
  .capture-basics-head,
  .device-catalog .home-section-heading{
    grid-template-columns:1fr;
    gap:22px;
  }
  .device-hero p,
  .capture-basics-head>p,
  .device-catalog-intro{
    max-width:680px;
  }
  .capture-basics-grid{
    grid-template-columns:1fr;
    margin-top:34px;
    border-radius:20px;
  }
  .capture-basic,
  .capture-basic:first-child{
    min-height:auto;
    padding:25px 26px;
    border-right:0;
    border-bottom:1px solid #deddd8;
  }
  .capture-basic:last-child{border-bottom:0}
  .device-difficulty-list{margin-top:38px}
  .device-tier-grid-three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .device-tier-grid-three .device-card:nth-child(3),
  .site-flow-device .device-tier-grid-three .device-card:nth-child(3){
    grid-column:1/-1;
    display:grid;
    grid-template-columns:150px minmax(0,1fr) auto;
    column-gap:24px;
    align-items:center;
    min-height:132px;
    border-left:0;
    border-top:1px solid var(--tier-line);
  }
  .device-tier-grid-three .device-card:nth-child(3) h4{margin:0}
  .device-tier-grid-three .device-card:nth-child(3) b{margin:0;padding:0;white-space:nowrap}
}
@media (max-width:720px){
  .site-flow-device .device-hero{padding:76px 0 70px}
  .device-hero h1{font-size:clamp(47px,12vw,62px)}
  .device-hero p{font-size:14px;line-height:1.75}
  .site-flow-device .capture-basics{padding:64px 0 70px}
  .capture-basics-head h2,
  .device-catalog .home-section-heading h2{font-size:clamp(36px,9.4vw,46px)}
  .capture-basics-head>p,
  .device-catalog-intro{font-size:13px}
  .site-flow-device .device-catalog{padding-top:68px;padding-bottom:78px}
  .device-difficulty-list{margin-top:30px}
  .device-difficulty-tier{display:block}
  .device-difficulty-label{
    display:flex;
    flex-direction:row;
    align-items:baseline;
    justify-content:flex-start;
    gap:20px;
    padding:24px 0 18px;
  }
  .device-difficulty-label h3{min-width:58px;margin:0;font-size:22px}
  .device-difficulty-label p{max-width:none;padding:0;font-size:11px}
  .device-tier-grid-two,
  .device-tier-grid-three,
  .device-tier-grid-one{grid-template-columns:1fr}
  .device-tier-grid-three .device-card:nth-child(3),
  .site-flow-device .device-tier-grid-three .device-card:nth-child(3){
    grid-column:auto;
  }
  .device-difficulty-tier .device-card,
  .site-flow-device .device-difficulty-tier .device-card,
  .device-tier-grid-one .device-card,
  .site-flow-device .device-tier-grid-one .device-card{
    display:flex;
    min-height:142px;
    padding:24px 0;
    border-left:0;
    border-top:1px solid #e2e0dc;
  }
  .device-difficulty-tier .device-card:first-child,
  .site-flow-device .device-difficulty-tier .device-card:first-child{border-left:0}
  .device-difficulty-tier .device-card h4,
  .device-tier-grid-one .device-card h4{margin:0 0 8px;font-size:21px}
  .device-tier-grid-one .device-card b{margin-top:auto;padding-top:18px}
  .device-accessory-row{display:grid;grid-template-columns:1fr auto;align-items:center;padding:23px 0}
  .device-accessory-row>span{grid-column:1/-1;padding:0 0 12px}
  .device-accessory-row>div{padding:0;border:0}
  .device-accessory-row>b{padding:0 0 0 20px}
  .device-catalog-footer{align-items:flex-start;flex-direction:column;gap:14px;padding-top:25px}
}
@media (max-width:480px){
  .device-accessory-row{grid-template-columns:1fr}
  .device-accessory-row>b{margin-top:16px;padding:0}
}

/* Device overview fusion: one first-screen narrative and four calm decision groups. */
.device-tutorial-page{
  --tier-easy:#4c7562;
  --tier-easy-soft:#edf5f0;
  --tier-easy-line:#c9ddd2;
  --tier-medium:#4d7190;
  --tier-medium-soft:#edf3f7;
  --tier-medium-line:#c9d9e5;
  --tier-hard:#725f7c;
  --tier-hard-soft:#f3eff5;
  --tier-hard-line:#ded0e2;
  --tier-ready:#836326;
  --tier-ready-soft:#faf3e4;
  --tier-ready-line:#e8d5a9;
}

.site-flow-device .device-hero{
  padding:clamp(68px,5.4vw,88px) 0 clamp(58px,4.7vw,76px);
}
.device-hero .shell{
  display:block;
}
.device-hero-heading{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(360px,.58fr);
  gap:clamp(64px,8vw,132px);
  align-items:end;
}
.device-hero-heading h1{
  margin:0;
  font-size:clamp(58px,5.8vw,82px);
  line-height:.98;
  letter-spacing:-.058em;
}
.device-hero-heading>p{
  max-width:530px;
  margin:0;
  color:#c9c5c7;
  font-size:14px;
  line-height:1.78;
}
.device-principles{
  margin-top:clamp(42px,4.2vw,60px);
  padding-top:clamp(30px,3vw,42px);
  border-top:1px solid rgba(255,255,255,.18);
}
.device-hero .capture-basics-head{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(360px,.58fr);
  gap:clamp(64px,8vw,132px);
  align-items:end;
}
.device-hero .capture-basics-head h2{
  max-width:620px;
  margin:0;
  color:#fff;
  font-size:clamp(30px,2.8vw,40px);
  font-weight:560;
  line-height:1.14;
  letter-spacing:-.045em;
}
.device-hero .capture-basics-head>p{
  max-width:530px;
  margin:0;
  color:#aaa6a8;
  font-size:12.5px;
  line-height:1.72;
}
.device-hero .capture-basics-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  margin-top:26px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:20px;
  background:rgba(255,255,255,.035);
  overflow:hidden;
}
.device-hero .capture-basic,
.device-hero .capture-basic:first-child{
  min-height:132px;
  padding:23px 26px 22px;
  border-right:1px solid rgba(255,255,255,.14);
  border-bottom:0;
  background:transparent;
}
.device-hero .capture-basic:last-child{
  border-right:0;
}
.device-hero .capture-basic h3{
  margin:0 0 11px;
  color:#fff;
  font-size:18px;
  font-weight:620;
  line-height:1.3;
  letter-spacing:-.02em;
}
.device-hero .capture-basic p{
  max-width:330px;
  margin:0;
  color:#aaa6a8;
  font-size:11.5px;
  line-height:1.68;
}
.device-hero .capture-basic strong{
  color:#fff;
}

.site-flow-device .device-catalog{
  padding-top:clamp(80px,6.5vw,104px);
  padding-bottom:clamp(96px,8vw,124px);
}
.device-catalog .home-section-heading h2{
  font-size:clamp(43px,4.5vw,60px);
  font-weight:560;
  letter-spacing:-.052em;
}
.device-catalog-intro{
  color:#625e59;
  font-size:13.5px;
  line-height:1.72;
}
.device-difficulty-list{
  display:flex;
  flex-direction:column;
  gap:16px;
  margin-top:44px;
  border-top:0;
}
.device-difficulty-tier{
  --tier-accent:#555;
  --tier-soft:#f4f4f2;
  --tier-line:#deddd8;
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  margin:0;
  border:1px solid var(--tier-line);
  border-radius:24px;
  background:#fff;
  box-shadow:0 14px 40px rgba(27,24,21,.035);
  overflow:hidden;
}
.device-difficulty-tier.is-easy{
  --tier-accent:var(--tier-easy);
  --tier-soft:var(--tier-easy-soft);
  --tier-line:var(--tier-easy-line);
}
.device-difficulty-tier.is-medium{
  --tier-accent:var(--tier-medium);
  --tier-soft:var(--tier-medium-soft);
  --tier-line:var(--tier-medium-line);
}
.device-difficulty-tier.is-hard{
  --tier-accent:var(--tier-hard);
  --tier-soft:var(--tier-hard-soft);
  --tier-line:var(--tier-hard-line);
}
.device-difficulty-label{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:31px 30px;
  border:0;
  border-right:1px solid var(--tier-line);
  background:var(--tier-soft);
  box-shadow:inset 5px 0 0 var(--tier-accent);
}
.device-difficulty-label h3{
  margin:0 0 12px;
  color:var(--tier-accent);
  font-size:30px;
  font-weight:680;
  line-height:1;
  letter-spacing:-.04em;
}
.device-difficulty-label p{
  max-width:155px;
  margin:0;
  color:#5f5b57;
  font-size:12px;
  line-height:1.65;
}
.device-tier-grid{
  gap:0;
  background:#fff;
}
.device-difficulty-tier .device-card,
.site-flow-device .device-difficulty-tier .device-card{
  min-height:178px;
  padding:30px 30px 26px;
  border:0;
  border-left:1px solid var(--tier-line);
  border-radius:0;
  background:#fff;
  box-shadow:none;
}
.device-difficulty-tier .device-card:first-child,
.site-flow-device .device-difficulty-tier .device-card:first-child{
  border-left:0;
}
.device-difficulty-tier .device-card h4{
  margin:0 0 11px;
  color:#171717;
  font-size:23px;
  font-weight:680;
  line-height:1.18;
  letter-spacing:-.03em;
}
.device-difficulty-tier .device-card p{
  max-width:320px;
  margin:0;
  color:#66615d;
  font-size:12px;
  line-height:1.68;
}
.device-difficulty-tier .device-card b{
  margin-top:auto;
  padding-top:19px;
  color:var(--tier-accent);
  font-size:12px;
  font-weight:760;
}
.device-difficulty-tier .device-card:hover,
.site-flow-device .device-difficulty-tier .device-card:hover{
  border-color:var(--tier-line);
  background:var(--tier-soft);
  color:#171717;
  box-shadow:none;
  transform:none;
}
.device-difficulty-tier .device-card:focus-visible,
.device-accessory-row:focus-visible{
  outline:3px solid var(--tier-accent,var(--tier-ready));
  outline-offset:3px;
}
.device-tier-grid-one .device-card,
.site-flow-device .device-tier-grid-one .device-card{
  display:grid;
  grid-template-columns:minmax(180px,.42fr) minmax(280px,1fr) auto;
  column-gap:34px;
  align-items:center;
  min-height:142px;
}
.device-tier-grid-one .device-card h4{
  margin:0;
}
.device-tier-grid-one .device-card b{
  margin:0;
  padding:0;
  white-space:nowrap;
}
.device-accessory-row{
  --tier-accent:var(--tier-ready);
  display:grid;
  grid-template-columns:220px minmax(0,1fr) auto;
  gap:0;
  align-items:stretch;
  margin:0;
  padding:0;
  border:1px solid var(--tier-ready-line);
  border-radius:22px;
  background:#fff;
  box-shadow:0 14px 40px rgba(27,24,21,.035);
  overflow:hidden;
}
.device-accessory-row>span{
  display:flex;
  align-items:center;
  padding:28px 30px;
  border:0;
  border-right:1px solid var(--tier-ready-line);
  background:var(--tier-ready-soft);
  box-shadow:inset 5px 0 0 var(--tier-ready);
  color:var(--tier-ready);
  font:680 21px/1.2 "Microsoft YaHei UI","PingFang SC",sans-serif;
  letter-spacing:-.025em;
}
.device-accessory-row>div{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:25px 30px;
  border:0;
}
.device-accessory-row h3{
  margin:0 0 8px;
  color:#171717;
  font-size:22px;
  font-weight:680;
  letter-spacing:-.025em;
}
.device-accessory-row p{
  color:#66615d;
  font-size:12px;
}
.device-accessory-row>b{
  display:flex;
  align-items:center;
  padding:0 30px;
  color:var(--tier-ready);
  font-size:12px;
  font-weight:760;
}
.device-accessory-row:hover{
  border-color:var(--tier-ready-line);
  background:var(--tier-ready-soft);
  transform:none;
}
.device-catalog-footer{
  padding:24px 2px 0;
}

@media (max-width:1000px){
  .device-hero-heading,
  .device-hero .capture-basics-head{
    grid-template-columns:minmax(0,.92fr) minmax(300px,.7fr);
    gap:48px;
  }
  .device-difficulty-tier{grid-template-columns:180px minmax(0,1fr)}
  .device-difficulty-label{padding:28px 24px}
  .device-accessory-row{grid-template-columns:180px minmax(0,1fr) auto}
}

@media (max-width:900px){
  .device-hero-heading,
  .device-hero .capture-basics-head{
    grid-template-columns:1fr;
    gap:18px;
  }
  .device-hero-heading>p,
  .device-hero .capture-basics-head>p{
    max-width:680px;
  }
  .device-hero .capture-basics-grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
  .device-tier-grid-three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .device-tier-grid-three .device-card:nth-child(3),
  .site-flow-device .device-tier-grid-three .device-card:nth-child(3){
    grid-column:1/-1;
    display:grid;
    grid-template-columns:150px minmax(0,1fr) auto;
    column-gap:24px;
    align-items:center;
    min-height:132px;
    border-left:0;
    border-top:1px solid var(--tier-line);
  }
  .device-tier-grid-three .device-card:nth-child(3) h4{margin:0}
  .device-tier-grid-three .device-card:nth-child(3) b{margin:0;padding:0;white-space:nowrap}
}

@media (max-width:720px){
  .site-flow-device .device-hero{padding:58px 0 52px}
  .device-hero-heading h1{font-size:clamp(48px,12vw,60px)}
  .device-hero-heading>p{font-size:13px}
  .device-principles{margin-top:36px;padding-top:27px}
  .device-hero .capture-basics-head h2{font-size:clamp(29px,7.8vw,37px)}
  .device-hero .capture-basics-head>p{font-size:12px}
  .device-hero .capture-basics-grid{
    grid-template-columns:1fr;
    margin-top:22px;
    border-radius:18px;
  }
  .device-hero .capture-basic,
  .device-hero .capture-basic:first-child{
    min-height:auto;
    padding:20px 21px;
    border-right:0;
    border-bottom:1px solid rgba(255,255,255,.14);
  }
  .device-hero .capture-basic:last-child{border-bottom:0}
  .site-flow-device .device-catalog{padding-top:64px;padding-bottom:80px}
  .device-catalog .home-section-heading h2{font-size:clamp(36px,9.4vw,46px)}
  .device-difficulty-list{gap:14px;margin-top:30px}
  .device-difficulty-tier{
    display:block;
    border-radius:20px;
  }
  .device-difficulty-label{
    display:flex;
    flex-direction:row;
    align-items:baseline;
    justify-content:flex-start;
    gap:20px;
    padding:22px 22px;
    border-right:0;
    border-bottom:1px solid var(--tier-line);
  }
  .device-difficulty-label h3{
    min-width:58px;
    margin:0;
    font-size:24px;
  }
  .device-difficulty-label p{
    max-width:none;
    padding:0;
    font-size:11px;
  }
  .device-tier-grid-two,
  .device-tier-grid-three,
  .device-tier-grid-one{grid-template-columns:1fr}
  .device-tier-grid-three .device-card:nth-child(3),
  .site-flow-device .device-tier-grid-three .device-card:nth-child(3){
    grid-column:auto;
  }
  .device-difficulty-tier .device-card,
  .site-flow-device .device-difficulty-tier .device-card,
  .device-tier-grid-one .device-card,
  .site-flow-device .device-tier-grid-one .device-card{
    display:flex;
    min-height:138px;
    padding:22px;
    border-left:0;
    border-top:1px solid var(--tier-line);
  }
  .device-difficulty-tier .device-card:first-child,
  .site-flow-device .device-difficulty-tier .device-card:first-child{border-top:0}
  .device-difficulty-tier .device-card h4,
  .device-tier-grid-one .device-card h4{margin:0 0 8px;font-size:21px}
  .device-tier-grid-one .device-card b{margin-top:auto;padding-top:18px}
  .device-accessory-row{
    display:block;
    border-radius:20px;
  }
  .device-accessory-row>span{
    min-height:auto;
    padding:21px 22px;
    border-right:0;
    border-bottom:1px solid var(--tier-ready-line);
    font-size:22px;
  }
  .device-accessory-row>div{padding:22px 22px 10px}
  .device-accessory-row>b{padding:10px 22px 22px}
}

/* Device catalog: compact hero after removing the generic preflight checklist. */
.site-flow-device .device-hero.device-hero-compact{
  position:relative;
  padding:clamp(58px,4.8vw,76px) 0 clamp(88px,7vw,116px);
  background:
    radial-gradient(circle at 82% 16%,rgba(246,46,89,.12),transparent 32%),
    linear-gradient(180deg,#171717 0%,#1a1919 48%,#292325 70%,#756c6f 88%,#f7f7f4 100%);
}
.site-flow-device .device-hero-compact .device-hero-heading{
  display:block;
}
.site-flow-device .device-hero-compact .device-hero-heading h1{
  max-width:none;
  font-size:clamp(34px,7.5vw,82px);
  white-space:nowrap;
}
.site-flow-device .device-hero-compact + .device-catalog{
  padding-top:clamp(58px,5vw,82px);
}
@media (max-width:720px){
  .site-flow-device .device-hero.device-hero-compact{
    padding:48px 0 76px;
  }
  .site-flow-device .device-hero-compact + .device-catalog{
    padding-top:52px;
  }
}