/* ================================================================
   about.css — 仅 about.html 使用
   注意：.about-hero / .page-label 等共用 Hero 样式在 style.css 中
================================================================ */

/* 背景装饰大圆 */
.deco-circle { position: fixed; border-radius: 50%; pointer-events: none; z-index: 0; opacity: 0.05; }
.deco-left  { width: 500px; height: 500px; background: var(--morandi-green); left: -220px; top: 28%; animation: floatA 14s ease-in-out infinite; }
.deco-right { width: 380px; height: 380px; background: var(--morandi-green); right: -150px; top: 12%; animation: floatB 18s ease-in-out infinite; }

/* 区块样式 */
.ab-section { position: relative; padding: 80px 8%; overflow: hidden; border-top: 1px solid var(--subtle-gray); }
.ab-alt { background: var(--bg-alt); }
.eyebrow { font-size: 0.60rem; letter-spacing: 0.42em; font-weight: 300; color: var(--morandi-green); margin-bottom: 8px; }


/* 动效 */
.fade-in-up{opacity:0;transform:translateY(20px);transition:opacity .55s ease,transform .55s ease;}
.fade-in-up.visible{opacity:1;transform:translateY(0);}


.ab-title { font-family: 'ZCOOL XiaoWei', 'Noto Serif SC', serif; font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: 0.08em; color: var(--black); margin: 0 0 8px; line-height: 1.2; }
.ab-desc { font-size: 0.86rem; color: #777; font-weight: 300; line-height: 1.9; max-width: 520px; margin-bottom: 46px; }

/* § 1 简介：两栏 */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.intro-text p { font-size: 0.92rem; line-height: 2.05; color: #444; font-weight: 300; margin-bottom: 16px; }
.intro-text p:last-child { margin-bottom: 0; }

/* 浮动圆圈组 */
.bubble-field { position: relative; height: 420px; }
.bub {
  position: absolute; border-radius: 50%; overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.bub:hover { transform: scale(1.08) translateY(-5px) !important; box-shadow: 0 18px 48px rgba(0,0,0,0.16); }
.bub img { width: 100%; height: 100%; object-fit: cover; display: block; }
.b1 { width: 200px; height: 200px; top: 0;    left: 54px;  animation: floatA 6s ease-in-out infinite;         background: linear-gradient(135deg,#a8c4a8,#7a9a7e); }
.b2 { width: 300px; height: 300px; top: 0px; right: 14px; animation: floatB 7.5s ease-in-out infinite;       background: linear-gradient(135deg,#c4b8a0,#9a8870); }
.b3 { width: 204px; height: 204px; top: 154px;left: 0;     animation: floatC 8s ease-in-out infinite;         background: linear-gradient(135deg,#b0c8b8,#8aaa92); }
.b4 { width: 120px;  height: 120px;  top: 300px;right: 54px; animation: floatA 5.5s ease-in-out infinite reverse; background: linear-gradient(135deg,#c8c0b0,#a09080); }
.b5 { width: 144px; height: 144px; bottom: 4px;left:138px; animation: floatB 9s ease-in-out infinite;         background: linear-gradient(135deg,#a8c4a8,#7a9a7e); }

/* § 2 创作内容 */
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 44px; }
.stag { padding: 5px 18px; border-radius: 999px; border: 1px solid var(--morandi-green); font-size: 0.74rem; letter-spacing: 0.1em; color: var(--morandi-green); font-weight: 300; transition: background 0.2s, color 0.2s; }
.stag:hover { background: var(--morandi-green); color: #fff; }

.mod-grid4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.mod4-card { background: var(--bg-card); border: 1px solid var(--subtle-gray); border-top: 3px solid var(--morandi-green); padding: 28px 22px 24px; transition: transform 0.25s, box-shadow 0.25s; }
.mod4-card:hover { transform: translateY(-5px); box-shadow: 0 14px 36px rgba(141,161,145,0.14); }
.m4-icon { font-size: 1.5rem; margin-bottom: 14px; display: block; }
.mod4-card h3 { font-size: 0.95rem; font-weight: 500; margin: 0 0 10px; letter-spacing: 0.05em; }
.mod4-card p  { font-size: 0.78rem; color: #777; line-height: 1.75; font-weight: 300; margin: 0; }

/* § 3 如何获取 */
.acq-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-bottom: 50px; }
.acq-card { padding: 30px 26px; border: 1px solid var(--subtle-gray); background: var(--bg-card); position: relative; overflow: hidden; }
.acq-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.acq-free::before { background: #b0c4b0; }
.acq-paid::before { background: var(--morandi-green); }
.acq-card h3 { font-size: 1rem; font-weight: 500; margin: 0 0 12px; letter-spacing: 0.04em; }
.acq-card p  { font-size: 0.82rem; color: #666; line-height: 1.9; font-weight: 300; margin: 0; }
.acq-badge { display: inline-block; font-size: 0.62rem; letter-spacing: 0.12em; padding: 3px 10px; border-radius: 999px; margin-bottom: 12px; font-weight: 400; }
.free-badge { background: #e8f0e8; color: #5a7a5a; }
.paid-badge { background: #e8ede8; color: var(--morandi-green-dark); }

.tiers-label { font-family: 'ZCOOL XiaoWei', 'Noto Serif SC', serif; font-size: 1.15rem; letter-spacing: 0.1em; margin: 0 0 24px; color: var(--black); }
.tiers-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.tier-card { border: 1px solid var(--subtle-gray); background: var(--bg-card); padding: 36px 30px 32px; position: relative; overflow: hidden; transition: transform 0.3s, box-shadow 0.3s; }
.tier-card:hover { transform: translateY(-5px); box-shadow: 0 16px 48px rgba(141,161,145,0.15); }
.tier-featured { border-color: var(--morandi-green); background: linear-gradient(160deg,#f4f8f4 0%,#fff 100%); }
.tier-featured::after { content: '推荐'; position: absolute; top: 16px; right: 16px; background: var(--morandi-green); color: #fff; font-size: 0.60rem; letter-spacing: 0.15em; padding: 3px 10px; border-radius: 999px; }
.tier-name { font-family: 'ZCOOL XiaoWei', 'Noto Serif SC', serif; font-size: 1.7rem; letter-spacing: 0.18em; color: var(--black); margin: 0 0 3px; }
.tier-sub  { font-size: 0.62rem; letter-spacing: 0.28em; color: var(--text-muted); font-weight: 300; margin-bottom: 20px; display: block; }
.tier-bar  { width: 28px; height: 1px; background: var(--morandi-green); opacity: 0.5; margin-bottom: 22px; }
.tier-list { list-style: none; padding: 0; margin: 0 0 28px; }
.tier-list li { font-size: 0.82rem; color: #444; line-height: 1.7; font-weight: 300; padding: 9px 0; border-bottom: 1px solid var(--subtle-gray); display: flex; align-items: flex-start; gap: 10px; }
.tier-list li:last-child { border-bottom: none; }
.pdot { width: 5px; height: 5px; border-radius: 50%; background: var(--morandi-green); flex-shrink: 0; margin-top: 7px; }
.tier-btn { display: inline-block; padding: 9px 26px; border-radius: 999px; font-size: 0.77rem; letter-spacing: 0.1em; font-family: 'Noto Serif SC', serif; transition: 0.25s; border: 1.5px solid var(--morandi-green); color: var(--morandi-green); background: transparent; text-decoration: none; }
.tier-btn:hover { background: var(--morandi-green); color: #fff; }
.tier-btn-filled { background: var(--morandi-green); color: #fff; }
.tier-btn-filled:hover { background: var(--morandi-green-dark); border-color: var(--morandi-green-dark); }

/* § 4 联系方式 */
.contact-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 64px; align-items: start; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cc-card { border: 1px solid var(--subtle-gray); background: var(--bg-card); padding: 26px 22px; transition: border-color 0.25s, transform 0.25s; text-decoration: none; color: inherit; display: block; }
.cc-card:hover { border-color: var(--morandi-green); transform: translateY(-3px); }
.cc-btn { cursor: pointer; text-align: left; width: 100%; font-family: inherit; }
.cc-ico { font-size: 1.3rem; margin-bottom: 10px; display: block; }
.cc-card h3 { font-size: 0.9rem; font-weight: 500; margin: 0 0 6px; letter-spacing: 0.04em; }
.cc-card p  { font-size: 0.75rem; color: #888; line-height: 1.6; margin: 0; font-weight: 300; }

/* 联系方式右侧浮圈 */
.contact-bubbles { position: relative; height: 340px; }
.cb { position: absolute; border-radius: 50%; overflow: hidden; box-shadow: 0 8px 28px rgba(0,0,0,0.09); transition: transform 0.4s ease; }
.cb:hover { transform: scale(1.08) !important; }
.cb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cb1 { width: 154px; height: 154px; top: 0;     right: 8px;   animation: floatA 7s ease-in-out infinite;         background: linear-gradient(135deg,#b8ccc0,#8aaa92); }
.cb2 { width: 104px; height: 104px; top: 78px;  left: 0;      animation: floatB 6s ease-in-out infinite;         background: linear-gradient(135deg,#ccc0b0,#a89278); }
.cb3 { width: 168px; height: 168px; bottom: 0;  right: 48px;  animation: floatC 8.5s ease-in-out infinite;       background: linear-gradient(135deg,#a8c0b8,#7a9a90); }
.cb4 { width: 84px;  height: 84px;  bottom: 34px;left: 44px;  animation: floatA 5s ease-in-out infinite reverse; background: linear-gradient(135deg,#c8c4b4,#a8a090); }

/* about页面响应式 */
@media (max-width: 960px) {
  .intro-grid, .contact-wrap { grid-template-columns: 1fr; }
  .bubble-field, .contact-bubbles { height: 240px; }
  .mod-grid4 { grid-template-columns: 1fr 1fr; }
  .acq-row, .tiers-row { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .mod-grid4 { grid-template-columns: 1fr; }
}