/* 板块标题 */
.sec-head{margin-bottom:40px}
.sec-head .eyebrow{margin-bottom:12px}
.sec-head .sec-title{margin:0 0 12px}
.sec-head .sec-desc{margin:0}
/* culture banner */
.culture-banner{background:radial-gradient(1100px 420px at 12% -12%,rgba(255,255,255,.18),transparent 58%),radial-gradient(900px 480px at 105% 118%,rgba(46,111,216,.42),transparent 55%),linear-gradient(135deg,#12336A 0%,var(--brand-deep) 34%,var(--brand) 68%,#2E6FD8 100%);border-radius:28px;color:#fff;padding:76px 40px;text-align:center;position:relative;overflow:hidden;box-shadow:0 26px 60px rgba(22,60,121,.26)}
.culture-banner::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:radial-gradient(ellipse 68% 62% at 50% 42%,#000,transparent 76%);mask-image:radial-gradient(ellipse 68% 62% at 50% 42%,#000,transparent 76%);pointer-events:none}
.culture-banner .cb-chars{display:flex;justify-content:center;gap:clamp(16px,3.4vw,48px);margin-bottom:30px;position:relative;z-index:1}
.culture-banner .cb-char{width:clamp(66px,8vw,104px);height:clamp(66px,8vw,104px);border:1px solid rgba(255,255,255,.3);border-radius:22px;background:linear-gradient(160deg,rgba(255,255,255,.22),rgba(255,255,255,.06));-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);font-size:clamp(30px,4vw,50px);font-weight:800;display:flex;align-items:center;justify-content:center;line-height:1;box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 10px 26px rgba(0,0,0,.16);transition:transform .3s,background .3s}
.culture-banner .cb-char:hover{transform:translateY(-5px);background:linear-gradient(160deg,rgba(255,255,255,.3),rgba(255,255,255,.1))}
.culture-banner h1,.culture-banner h2{font-size:clamp(24px,3vw,38px);font-weight:800;margin:0;letter-spacing:.03em;position:relative;z-index:1}
.culture-banner h1::after,.culture-banner h2::after{content:"";display:block;width:60px;height:3px;border-radius:2px;background:linear-gradient(90deg,rgba(255,255,255,.95),rgba(255,255,255,.15));margin:20px auto 0}
.culture-banner p{font-size:16px;color:rgba(255,255,255,.9);margin:20px auto 0;line-height:1.95;max-width:820px;position:relative;z-index:1}
@media(max-width:768px){.culture-banner{padding:48px 20px;border-radius:22px}.culture-banner .cb-chars{gap:12px;margin-bottom:24px}}
/* philosophy rows */
.phil-row{position:relative;display:flex;align-items:flex-start;gap:clamp(28px,5vw,68px);padding:clamp(38px,5vw,58px) 0}
.phil-row::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,var(--line) 0%,var(--line) 62%,transparent 100%)}
.phil-row:first-child{padding-top:0}
.phil-row:last-child::after{display:none}
.phil-char{flex:0 0 auto;width:clamp(96px,11.5vw,146px);height:clamp(96px,11.5vw,146px);border-radius:30px;position:relative;background:linear-gradient(155deg,#FFFFFF 0%,var(--brand-soft) 100%);border:1px solid #DBE5F6;color:var(--brand-deep);font-size:clamp(48px,6.4vw,84px);font-weight:900;display:flex;align-items:center;justify-content:center;line-height:1;box-shadow:0 14px 30px rgba(31,78,156,.13)}
.phil-char::before{content:"";position:absolute;inset:9px;border-radius:22px;border:1px dashed rgba(31,78,156,.2)}
.phil-body{flex:1;min-width:0}
/* 小标题：中文理念名 + 行内英文小字，不再单独做序号胶囊 */
.phil-body h3{font-size:var(--fs-h3);font-weight:800;margin:0 0 14px;color:var(--ink);letter-spacing:.01em;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.phil-body h3 span{font-size:var(--fs-xs);font-weight:700;letter-spacing:.16em;color:var(--brand);opacity:.72}
/* 释义正文：两段到底，不拆小卡片 */
.phil-body p{font-size:16px;color:var(--ink-soft);line-height:2;margin:0 0 16px;text-align:justify}
.phil-body p:last-child{margin-bottom:0}
@media(max-width:768px){
  .phil-row{flex-direction:column;align-items:flex-start;gap:20px}
  .phil-char{width:84px;height:84px;font-size:46px;border-radius:22px}
  .phil-char::before{inset:7px;border-radius:16px}
  .phil-body p{text-align:left}
}
/* culture closing */
.culture-closing{position:relative;background:linear-gradient(135deg,var(--brand-soft) 0%,#F4F8FE 100%);border:1px solid #E2EBF9;border-radius:28px;padding:60px 40px 54px;text-align:center;overflow:hidden}
.culture-closing::before{content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);width:72px;height:4px;border-radius:0 0 4px 4px;background:linear-gradient(90deg,var(--brand),#2E6FD8)}
.culture-closing h3{font-size:var(--fs-h3);font-weight:800;color:var(--brand-deep);margin-bottom:16px;letter-spacing:.05em}
.culture-closing p{font-size:16px;color:var(--ink-soft);line-height:2;margin:0 auto;max-width:820px}