/* 成长补给站、学习分享与记忆珍藏屋。第一阶段只搬移，不改选择器和值。 */
.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.tool-card { min-height: 176px; border: 1px solid var(--line); border-radius: 23px; background: rgba(255,255,255,.86); padding: 16px; color: var(--ink); text-align: left; cursor: pointer; box-shadow: 0 12px 30px rgba(70,92,120,.07); transition: transform .2s ease; }
.tool-card:hover { transform: translateY(-3px); }
.tool-card .tool-icon { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 16px; background: #edf5ff; font-size: 24px; }
.tool-card:nth-child(2) .tool-icon { background: #fff0f4; }
.tool-card strong { display: block; font-size: 17px; margin: 16px 0 6px; }
.tool-card small { color: var(--muted); line-height: 1.5; }
.tool-card .reward { display: inline-block; margin-top: 12px; color: #6089ad; font-size: 12px; font-weight: 800; }
.content-heading { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin: 22px 2px 11px; }
.content-heading strong { font-size: 17px; }
.content-heading span { color: var(--muted); font-size: 12px; }
.featured-video { width: 100%; border: 0; border-radius: 25px; padding: 0; overflow: hidden; position: relative; background: #26364f; color: white; text-align: left; cursor: pointer; box-shadow: 0 16px 38px rgba(38,54,79,.2); }
.featured-video img { width: 100%; height: 205px; object-fit: cover; object-position: center 25%; display: block; opacity: .68; }
.featured-video::after { content: ""; position: absolute; inset: 38% 0 0; background: linear-gradient(transparent, rgba(26,39,58,.95)); }
.featured-copy { position: absolute; z-index: 2; left: 18px; right: 18px; bottom: 17px; }
.featured-copy .video-label { display: inline-flex; padding: 6px 9px; border-radius: 999px; background: rgba(255,255,255,.16); backdrop-filter: blur(8px); font-size: 11px; font-weight: 800; }
.featured-copy strong { display: block; font-size: 19px; line-height: 1.4; margin: 8px 0 4px; }
.featured-copy small { color: rgba(255,255,255,.72); }
.play-dot { position: absolute; z-index: 3; right: 17px; top: 16px; width: 43px; height: 43px; border-radius: 50%; display: grid; place-items: center; background: rgba(255,255,255,.9); color: #385472; box-shadow: 0 8px 22px rgba(16,31,49,.2); }
.video-list { display: grid; gap: 10px; }
.video-card { width: 100%; display: grid; grid-template-columns: 108px 1fr; gap: 12px; align-items: center; border: 1px solid var(--line); border-radius: 20px; padding: 9px; background: rgba(255,255,255,.86); color: var(--ink); text-align: left; cursor: pointer; }
.video-thumb { position: relative; width: 108px; height: 82px; overflow: hidden; border-radius: 14px; background: #dbeafa; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
.video-thumb span { position: absolute; right: 6px; bottom: 5px; padding: 3px 6px; border-radius: 7px; background: rgba(24,37,55,.76); color: white; font-size: 10px; }
.video-card strong { display: block; font-size: 15px; line-height: 1.4; margin-bottom: 5px; }
.video-card small { color: var(--muted); font-size: 12px; line-height: 1.4; }
.video-stage { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 26px; background: #26364f; box-shadow: 0 18px 40px rgba(38,54,79,.2); }
.video-stage img { width: 100%; height: 100%; object-fit: cover; object-position: center 22%; opacity: .72; }
.video-stage::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(27,41,61,.84)); }
.video-stage button { position: absolute; z-index: 3; inset: 50% auto auto 50%; transform: translate(-50%,-50%); width: 62px; height: 62px; border: 0; border-radius: 50%; background: rgba(255,255,255,.92); color: #385472; font-size: 24px; cursor: pointer; box-shadow: 0 10px 28px rgba(20,33,50,.25); }
.video-stage .duration { position: absolute; z-index: 3; right: 14px; bottom: 13px; color: white; font-size: 12px; }
.takeaway-list { display: grid; gap: 10px; margin-top: 13px; }
.takeaway { display: grid; grid-template-columns: 27px 1fr; gap: 9px; align-items: start; color: var(--muted); font-size: 14px; line-height: 1.5; }
.takeaway b { width: 27px; height: 27px; display: grid; place-items: center; border-radius: 9px; background: #edf5ff; color: #5f83a6; }
.preset-row { display: flex; justify-content: center; gap: 8px; margin: 17px 0; }
.preset { border: 1px solid var(--line); background: white; border-radius: 999px; padding: 9px 13px; color: var(--ink); cursor: pointer; }
.preset.active { background: #2f4b6d; color: white; border-color: #2f4b6d; }
.method-step { display: grid; grid-template-columns: 31px 1fr; gap: 10px; align-items: start; margin: 13px 0; }
.method-step b { width: 31px; height: 31px; display: grid; place-items: center; border-radius: 11px; background: #edf5ff; color: #5f87ac; }
.method-step strong { display: block; margin: 4px 0; }
.method-step small { color: var(--muted); line-height: 1.5; }
.field-label { display: block; font-size: 13px; font-weight: 800; color: #607993; margin: 15px 2px 7px; }
select, input[type="file"] { width: 100%; border: 1px solid rgba(62,85,115,.14); background: rgba(255,255,255,.88); color: var(--ink); border-radius: 16px; padding: 13px 14px; font: inherit; font-size: 15px; }
input[type="file"] { font-size: 13px; color: var(--muted); }
.vault-tabs { display: grid; grid-template-columns: 1fr 1fr; padding: 4px; gap: 4px; background: rgba(91,126,162,.1); border-radius: 17px; margin-bottom: 15px; }
.vault-tab { border: 0; background: transparent; border-radius: 13px; padding: 11px 8px; color: var(--muted); font: inherit; font-weight: 800; cursor: pointer; }
.vault-tab.active { background: white; color: var(--ink); box-shadow: 0 6px 18px rgba(67,89,117,.09); }
.vault-list { display: grid; gap: 10px; margin-top: 15px; }
.memory-card { border: 1px solid var(--line); background: rgba(255,255,255,.88); border-radius: 20px; padding: 15px; }
.memory-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 7px; }
.memory-tag { padding: 5px 9px; border-radius: 999px; background: #edf5ff; color: #5f82a5; font-size: 11px; font-weight: 800; }
.memory-date { color: #8a98aa; font-size: 11px; }
.memory-card h3 { margin: 5px 0 7px; font-size: 16px; }
.memory-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; white-space: pre-wrap; }
.memory-actions { display: flex; gap: 8px; margin-top: 12px; }
.memory-actions button { border: 1px solid var(--line); background: white; color: #65788f; border-radius: 11px; padding: 7px 10px; font: inherit; font-size: 12px; cursor: pointer; }
.empty-vault { text-align: center; padding: 28px 16px; border: 1px dashed rgba(80,111,145,.22); border-radius: 21px; color: var(--muted); line-height: 1.6; }
.privacy-ribbon { display: flex; gap: 10px; align-items: center; padding: 12px 14px; margin-bottom: 14px; border-radius: 17px; background: #edf8f3; color: #527467; font-size: 13px; line-height: 1.45; }
.uu-thread { position: relative; display: grid; grid-template-columns: 58px 1fr; gap: 11px; align-items: center; padding: 9px 30px 9px 8px; margin: 0 0 16px; border: 1px solid rgba(109,151,190,.16); border-radius: 21px 21px 21px 8px; background: linear-gradient(135deg, rgba(235,246,255,.94), rgba(255,246,249,.94)); box-shadow: 0 9px 25px rgba(69,94,124,.07); }
.uu-thread-avatar { position: relative; width: 58px; height: 58px; overflow: hidden; border-radius: 18px; background: rgba(255,255,255,.78); }
.uu-thread-avatar img { position: absolute; width: 72px; max-width: none; left: 50%; top: -2px; transform: translateX(-50%); }
.uu-thread-copy strong { display: block; color: #648caf; font-size: 12px; letter-spacing: .04em; margin-bottom: 3px; }
.uu-thread-copy p { margin: 0; color: #52667d; font-size: 13px; line-height: 1.5; }
.uu-thread-star { position: absolute; right: 12px; top: 10px; color: #e8a9bd; font-size: 13px; }