.about-redesign{padding-bottom:74px;padding-top:54px}
.about-hero-v2{align-items:center;background:linear-gradient(135deg,#fbfaf6 0%,#eef5ed 100%);border:1px solid #dbe5dc;border-radius:24px;display:grid;gap:48px;grid-template-columns:minmax(0,1fr) 320px;overflow:hidden;padding:42px 44px}
.about-hero-copy h1{font-family:var(--serif);font-size:48px;font-weight:600;letter-spacing:0;line-height:1.18;margin:14px 0 18px;max-width:620px}
.about-hero-lead{color:#355247;font-size:16px;line-height:1.9;margin:0;max-width:650px}
.about-hero-sub{border-left:3px solid var(--accent);color:var(--accent);font-family:var(--serif);font-size:21px;font-weight:600;line-height:1.65;margin:24px 0 0;padding-left:16px}
.about-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.about-hero-card{background:rgba(255,253,248,.86);border:1px solid rgba(204,216,205,.86);border-radius:21px;box-shadow:0 22px 58px rgba(37,68,56,.10);padding:14px}
.about-card-photo{border-radius:17px;height:344px;overflow:hidden}
.about-card-photo img{display:block;height:100%;object-fit:cover;object-position:center 24%;width:100%}
.about-card-sign{border-top:1px solid #dfe6df;margin-top:14px;padding:14px 4px 2px}
.about-card-sign span{color:var(--accent);display:block;font-family:monospace;font-size:10px;letter-spacing:.12em;margin-bottom:7px}
.about-card-sign strong{display:block;font-family:var(--serif);font-size:17px;font-weight:600;line-height:1.5}
.about-metrics{display:grid;gap:14px;grid-template-columns:repeat(4,1fr);margin-top:22px}
.about-metrics article{background:#fffdf8;border:1px solid #dfe5de;border-radius:16px;padding:20px 18px}
.about-metrics strong{display:block;font-family:var(--serif);font-size:25px;font-weight:600;line-height:1.1}
.about-metrics span{color:var(--muted);display:block;font-size:11px;line-height:1.65;margin-top:8px}
.about-section-head{max-width:720px}
.about-section-head.compact{max-width:620px}
.about-section-head h2,.about-method h2,.about-proof h2,.about-journey-v2 h2,.about-values-v2 h2{font-family:var(--serif);font-size:34px;font-weight:600;letter-spacing:0;line-height:1.35;margin:12px 0 14px}
.about-section-head p:not(.section-label),.about-method>div>p:not(.section-label),.about-proof p{color:var(--muted);font-size:13px;line-height:1.85;margin:0}
.about-positioning,.about-proof,.about-journey-v2,.about-values-v2{margin-top:72px}
.about-card-grid{display:grid;gap:18px;grid-template-columns:repeat(3,1fr);margin-top:28px}
.about-positioning-list{margin-top:28px}
.about-positioning-list article{background:#fffdf8;border:1px solid #dfe5de}
.about-positioning-list span{color:var(--accent)}
.about-positioning-list strong{color:var(--ink)}
.about-positioning-list p{color:var(--muted)}
.about-value-card{background:#fffdf8;border:1px solid #dfe5de;border-radius:19px;padding:25px 24px 24px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.about-value-card:hover{border-color:#b7cdbd;box-shadow:0 18px 42px rgba(38,75,58,.09);transform:translateY(-3px)}
.about-value-card span,.method-list span,.value-item span{color:var(--accent);font-family:monospace;font-size:10px;letter-spacing:.08em}
.about-value-card h3{font-family:var(--serif);font-size:22px;font-weight:600;margin:13px 0 10px}
.about-value-card p{color:var(--muted);font-size:12px;line-height:1.85;margin:0}
.about-method{align-items:start;background:var(--panel);border-radius:24px;color:#f8fbf5;display:grid;gap:42px;grid-template-columns:280px minmax(0,1fr);margin-top:72px;padding:38px 40px}
.about-method .section-label,.about-method .section-label span{color:#cae4bd}
.about-method .section-label span{background:#cae4bd}
.about-method h2{color:#fff;margin-top:12px}
.about-method>div>p:not(.section-label){color:#d6e4d9}
.method-list{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
.method-list article{background:rgba(255,255,255,.07);border:1px solid rgba(218,236,220,.16);border-radius:16px;padding:20px 18px}
.method-list span{color:#cae4bd}
.method-list strong{display:block;font-family:var(--serif);font-size:18px;font-weight:600;margin:12px 0 8px}
.method-list p{color:#c8d9cf;font-size:12px;line-height:1.75;margin:0}
.proof-grid{display:grid;gap:14px;grid-template-columns:repeat(4,1fr);margin-top:28px}
.proof-grid article{border-top:1px solid var(--ink);padding-top:16px}
.proof-grid strong{display:block;font-family:var(--serif);font-size:17px;font-weight:600;line-height:1.45}
.proof-grid p{font-size:11px;line-height:1.75;margin-top:8px}
.about-redesign .about-journey-v2{border-top:1px solid var(--line);max-width:none;padding-top:36px}
.about-redesign .journey-list{display:block;list-style:none;margin:32px 0 0;max-width:660px;padding:0;position:relative}
.about-redesign .journey-list:before{background:#dfe5de;bottom:10px;content:'';left:70px;position:absolute;top:10px;width:1px}
.about-redesign .journey-list li{background:none;border:0;border-radius:0;display:grid;gap:36px;grid-template-columns:64px 1fr;padding:0 0 38px;position:relative}
.about-redesign .journey-list li:last-child{padding-bottom:0}
.about-redesign .journey-list li:before{display:none}
.about-redesign .journey-list li:after{background:#fffdf8;border:2px solid var(--accent);border-radius:50%;content:'';height:11px;left:65px;position:absolute;top:5px;width:11px}
.about-redesign .journey-index{background:none;border:0;border-radius:0;color:var(--accent);display:block;font-family:monospace;font-size:13px;height:auto;margin:0;padding:3px 0 0;text-align:right;width:auto}
.about-redesign .journey-list strong{font-size:18px;line-height:1.5;margin-bottom:8px}
.about-redesign .journey-list p{font-size:13px;line-height:1.8;margin:0}
.about-redesign .about-values-v2{border-top:1px solid var(--line);max-width:none;padding-top:36px}
.about-redesign .values-grid{display:grid;gap:18px;grid-template-columns:repeat(3,1fr);margin-top:24px}
.about-redesign .value-item{background:#fffdf8;border:1px solid #dfe5de;border-radius:17px;padding:23px 22px 24px}
.about-redesign .value-item strong{font-size:20px;line-height:1.4;margin:12px 0 9px}
.about-redesign .value-item p{font-size:12px;line-height:1.8}
.about-redesign .about-video{background:#fffdf8;border:1px solid #dfe5de;border-radius:22px;display:grid;gap:34px;grid-template-columns:275px minmax(0,1fr);margin-top:72px;max-width:none;padding:28px}
.about-redesign .about-video-copy h2{font-size:31px}
.about-video-title-trigger{background:none;border:0;color:inherit;cursor:pointer;display:inline;font:inherit;padding:0;text-align:left}
.about-video-title-trigger span{color:var(--accent);display:inline-block;transition:transform .18s ease}
.about-video-title-trigger:hover span{transform:translateX(4px)}
.about-redesign .about-video-copy>p:not(.section-label)+p{margin-top:12px}
.about-redesign .about-video-frame{border-radius:18px}
.about-redesign .page-cta{border-radius:20px;margin-top:72px;padding:34px 36px}
.about-redesign .about-wechat{background:#fffdf8;border:1px solid #dfe5de;border-radius:22px;margin-top:28px;padding:30px 34px}
@media(max-width:860px){
  .about-redesign{padding-top:34px}
  .about-hero-v2{gap:30px;grid-template-columns:1fr;padding:28px 24px}
  .about-hero-copy h1{font-size:36px}
  .about-hero-lead{font-size:14px}
  .about-hero-sub{font-size:18px}
  .about-hero-card{max-width:330px}
  .about-metrics,.about-card-grid,.proof-grid,.about-redesign .journey-list,.about-redesign .values-grid{grid-template-columns:1fr}
  .about-method{grid-template-columns:1fr;padding:30px 24px}
  .method-list{grid-template-columns:1fr}
  .about-section-head h2,.about-method h2,.about-proof h2,.about-journey-v2 h2,.about-values-v2 h2{font-size:27px}
  .about-redesign .about-video{grid-template-columns:1fr;margin-top:52px;padding:23px}
  .about-redesign .page-cta{align-items:flex-start;flex-direction:column;margin-top:52px;padding:27px 24px}
  .about-redesign .page-cta .button{margin-left:0;margin-top:20px}
  .about-redesign .about-wechat{gap:28px;grid-template-columns:1fr;padding:26px 23px}
}
/* v2：首屏人物图恢复为原来的单图展示，减少视觉框架 */
.about-hero-v2{background:transparent;border:0;border-radius:0;grid-template-columns:285px minmax(0,1fr);overflow:visible;padding:0}
.about-hero-credentials{column-gap:32px;columns:2;font-size:13px;line-height:1.7;list-style:none;margin:22px 0 0;max-width:560px;padding:0}
.about-hero-credentials li{break-inside:avoid;color:var(--muted);margin-bottom:11px;padding-left:16px;position:relative}
.about-hero-credentials li:before{color:var(--accent);content:'•';left:0;position:absolute}
.about-redesign .about-page-portrait{border-radius:8px;height:408px;max-width:none;overflow:hidden}
.about-redesign .about-page-portrait img{display:block;height:100%;object-fit:cover;object-position:center 24%;width:100%}
@media(max-width:860px){
  .about-hero-v2{grid-template-columns:1fr;padding:0}
  .about-redesign .about-page-portrait{height:360px;max-width:270px}
}

/* 高客单获客理论：定位、信任、证明、承接 */
.about-theory{border-top:1px solid var(--line);margin-top:72px;padding-top:36px}
.about-theory .about-section-head{max-width:760px}
.about-theory .theory-formula{background:#e3efe5;border-radius:14px;color:var(--accent);font-family:var(--serif);font-size:20px;line-height:1.5;margin-top:26px;padding:16px 20px}
.about-theory .theory-grid{grid-template-columns:repeat(4,1fr);margin-top:18px}
.about-theory .theory-grid article{background:#fffdf8;border:1px solid #dfe5de;border-radius:16px;border-top:0;padding:20px}
.about-theory .theory-grid span{color:var(--accent);font-family:monospace;font-size:10px;letter-spacing:.08em}
.about-theory .theory-grid strong{margin-top:12px}
@media(max-width:860px){
  .about-theory .theory-grid{grid-template-columns:1fr}
  .about-theory .theory-formula{font-size:17px}
}
/* 高客单获客五维模型：中心主题 + 环形关系 */
.about-theory{background:#fffdf8;border:1px solid #dfe5de;border-radius:24px;margin-top:72px;padding:38px 34px 42px}
.about-theory .theory-heading{margin:0 auto;text-align:center}
.about-theory .theory-heading .section-label{justify-content:center}
.about-theory .theory-heading p:not(.section-label){margin-left:auto;margin-right:auto;max-width:680px}
.theory-model{height:560px;margin:24px auto 0;max-width:820px;position:relative}
.theory-lines{height:100%;inset:0;overflow:visible;position:absolute;width:100%;z-index:1}
.theory-lines line{stroke:#b8d0be;stroke-dasharray:5 7;stroke-linecap:round;stroke-width:1.5}
.theory-orbit{border:1px solid #d9e6da;border-radius:50%;left:50%;pointer-events:none;position:absolute;top:50%;transform:translate(-50%,-50%)}
.theory-orbit-outer{height:420px;width:420px}
.theory-orbit-inner{border-color:#f0d9d9;height:280px;width:280px}
.theory-center{align-items:center;background:radial-gradient(circle at 35% 30%,#fff8f5 0,#f3dfdf 58%,#e9cbcf 100%);border:6px solid #fffdf8;border-radius:50%;box-shadow:0 10px 26px rgba(66,87,67,.12);display:flex;flex-direction:column;height:184px;justify-content:center;left:50%;position:absolute;text-align:center;top:50%;transform:translate(-50%,-50%);width:184px;z-index:3}
.theory-center span{color:#6d8f73;font-family:monospace;font-size:9px;letter-spacing:.14em}
.theory-center strong{color:#234b36;font-family:var(--serif);font-size:28px;line-height:1.14;margin:9px 0 7px}
.theory-center small{color:#876b6b;font-size:11px}
.theory-node{background:#fff;border:1px solid #dfe5de;border-radius:18px;box-shadow:0 10px 24px rgba(47,75,54,.07);padding:16px 17px;position:absolute;width:190px;z-index:4}
.theory-node span{color:#6d9875;font-family:monospace;font-size:10px;letter-spacing:.1em}
.theory-node strong{color:#244c36;display:block;font-family:var(--serif);font-size:18px;line-height:1.35;margin:8px 0 7px}
.theory-node p{color:var(--muted);font-size:11px;line-height:1.7;margin:0}
.theory-node--top{left:50%;top:0;transform:translateX(-50%)}
.theory-node--right-top{right:40px;top:70px}
.theory-node--right-bottom{right:40px;bottom:70px}
.theory-node--bottom{left:50%;bottom:0;transform:translateX(-50%)}
.theory-node--left-bottom{left:40px;bottom:70px}
.theory-node--left-top{left:40px;top:70px}
@media(max-width:860px){
  .about-theory{padding:30px 20px 32px}
  .theory-model{display:grid;gap:12px;grid-template-columns:1fr 1fr;height:auto;margin-top:22px}
  .theory-lines,.theory-orbit{display:none}
  .theory-center{grid-column:1 / -1;position:relative;left:auto;top:auto;transform:none;margin:0 auto 8px}
  .theory-node{position:relative;inset:auto;transform:none;width:auto}
  .theory-node--top,.theory-node--bottom{grid-column:1 / -1}
}
.journey-video-section{border-top:1px solid var(--line);display:grid;gap:56px;grid-template-columns:1fr 1fr;margin:66px auto 0;max-width:1018px;padding-top:36px}
.journey-video-section h2{font-family:var(--serif);font-size:27px;font-weight:600;line-height:1.3;margin:11px 0 22px}
.journey-video-media .about-video-frame{background:#e8eee7;border:1px solid #d2ded3;border-radius:14px;overflow:hidden}
.journey-video-media .about-video-frame video{background:#122e28;display:block;height:auto;width:100%}
@media(max-width:860px){
  .journey-video-section{gap:40px;grid-template-columns:1fr;margin-top:48px;padding-top:28px}
  .journey-video-section h2{font-size:24px}
}