/* ================================================================
   易菇网 · 问答频道（know）样式库  kw.css
   ----------------------------------------------------------------
   设计目标：按「问」「答」两类信息重构页面结构
     1) 「问」= 状态(待解决/已解决) + 悬赏分 + 分类 + 提问者 + 追问
     2) 「答」= 回答数 + 最佳答案 + 采纳 + 支持/反对 + 答主等级
     3) 首屏即完成「搜索 / 分类 / 看待解决问题」三个动作
     4) 全部类名 kw- 前缀；零 JS、零第三方库、内联 SVG
   ================================================================ */

/* ---------------- 0. 通用 ---------------- */
.kw-wrap { position: relative; }
.kw-hide { display: none !important; }
.kw-sec-h {
	display: flex; align-items: center; gap: 10px;
	margin: 22px 0 12px;
}
.kw-sec-h h2 {
	font-size: 19px; font-weight: 700; color: var(--f-ink, #12332A);
	margin: 0; letter-spacing: .3px;
	display: flex; align-items: center; gap: 8px;
}
.kw-sec-h h2::before {
	content: ''; width: 4px; height: 18px; border-radius: 3px;
	background: linear-gradient(180deg, var(--f-p1, #3DD68C), var(--f-p2, #2BB673));
}
.kw-sec-h .kw-cnt {
	font-style: normal; font-size: 12px; color: var(--f-ink3, #8AA79C);
	background: rgba(61,214,140,.1); border-radius: 20px; padding: 2px 10px;
}
.kw-sec-h .kw-more {
	margin-left: auto; font-size: 13px; color: var(--f-ink2, #4A6A5E);
	text-decoration: none;
}
.kw-sec-h .kw-more:hover { color: var(--f-p2, #2BB673); }

.kw-hd {
	display: flex; align-items: center; gap: 9px;
	padding: 0 0 10px; margin: 22px 0 0;
	border-bottom: 2px solid var(--f-line, rgba(61,214,140,.14));
}
.kw-hd h3 {
	font-size: 17px; font-weight: 700; color: var(--f-ink, #12332A); margin: 0;
	display: flex; align-items: center; gap: 7px;
}
.kw-hd h3::before {
	content: ''; width: 4px; height: 16px; border-radius: 3px;
	background: linear-gradient(180deg, var(--f-p1, #3DD68C), var(--f-p2, #2BB673));
}
.kw-hd .kw-hd-n {
	font-size: 12px; color: var(--f-ink3, #8AA79C); font-weight: 400;
}
.kw-hd .kw-more {
	margin-left: auto; font-size: 13px; color: var(--f-ink2, #4A6A5E); text-decoration: none;
}
.kw-hd .kw-more:hover { color: var(--f-p2, #2BB673); }

.kw-empty {
	padding: 34px 20px; text-align: center; border-radius: 16px;
	background: rgba(255,255,255,.6); border: 1px dashed var(--f-line, rgba(61,214,140,.14));
	color: var(--f-ink3, #8AA79C); font-size: 13.5px; line-height: 1.9;
}
.kw-empty b { display: block; font-size: 15px; color: var(--f-ink2, #4A6A5E); margin-bottom: 4px; }

/* ---------------- 1. 搜索台 Hero ---------------- */
.kw-hero {
	position: relative; overflow: hidden;
	border-radius: 20px;
	background: linear-gradient(135deg, #0E3B2E, #134F3C 58%, #0E4E52);
	color: #EAF7F1;
	padding: 26px 0 24px;
	box-shadow: 0 18px 50px rgba(43,182,115,.16);
}
.kw-hero::before {
	content: ''; position: absolute; inset: 0; opacity: .16;
	background-image:
		linear-gradient(rgba(94,234,212,.28) 1px, transparent 1px),
		linear-gradient(90deg, rgba(94,234,212,.28) 1px, transparent 1px);
	background-size: 44px 44px; pointer-events: none;
}
.kw-hero::after {
	content: ''; position: absolute;
	width: 460px; height: 460px; right: -150px; top: -240px; border-radius: 50%;
	background: radial-gradient(circle, rgba(61,214,140,.32), transparent 66%);
	pointer-events: none;
}
.kw-hero-in {
	position: relative; z-index: 2;
	display: flex; align-items: flex-start; gap: 34px;
	padding: 0 30px;
}
.kw-hero-l { flex: 1; min-width: 0; }
.kw-hero-tag {
	display: inline-flex; align-items: center; gap: 7px;
	font-size: 12.5px; color: #9FE8C6; letter-spacing: 1px;
	background: rgba(61,214,140,.14); border: 1px solid rgba(61,214,140,.26);
	border-radius: 20px; padding: 4px 13px; margin-bottom: 12px;
}
.kw-hero-tag i {
	width: 6px; height: 6px; border-radius: 50%; background: #3DD68C;
	box-shadow: 0 0 0 3px rgba(61,214,140,.22);
}
.kw-hero h1 {
	font-size: 30px; font-weight: 700; color: #fff; margin: 0 0 9px;
	letter-spacing: .5px; line-height: 1.25;
}
.kw-hero h1 em { font-style: normal; color: #5EEAD4; }
.kw-hero-desc {
	font-size: 13.5px; color: #9DBFB2; line-height: 1.85; margin: 0 0 16px; max-width: 720px;
}
.kw-hero-desc b { color: #3DD68C; font-size: 15px; }

.kw-sch {
	display: flex; align-items: center; gap: 0;
	background: rgba(255,255,255,.96); border-radius: 14px;
	padding: 5px 5px 5px 16px; max-width: 640px;
	box-shadow: 0 10px 30px rgba(0,0,0,.16);
}
.kw-sch input {
	flex: 1; min-width: 0; border: 0; outline: 0; background: transparent;
	font-size: 14.5px; color: var(--f-ink, #12332A); height: 40px; line-height: 40px;
}
.kw-sch input::placeholder { color: #A9BFB6; }
.kw-sch button {
	border: 0; cursor: pointer; height: 40px; padding: 0 26px; border-radius: 10px;
	background: linear-gradient(135deg, #2BB673, #3DD68C); color: #fff;
	font-size: 15px; letter-spacing: 3px; font-weight: 500;
	transition: filter .18s;
}
.kw-sch button:hover { filter: brightness(1.07); }
.kw-hot { margin-top: 12px; font-size: 12.5px; color: #8FB7A9; }
.kw-hot span { color: #7FA79A; }
.kw-hot a {
	color: #C6E7D6; text-decoration: none; margin-right: 12px;
	border-bottom: 1px dashed rgba(198,231,214,.3); padding-bottom: 1px;
}
.kw-hot a:hover { color: #3DD68C; border-color: #3DD68C; }

.kw-hero-r { width: 300px; flex: none; }
.kw-ask-btn {
	display: flex; align-items: center; justify-content: center; gap: 8px;
	height: 48px; border-radius: 14px; text-decoration: none;
	background: linear-gradient(135deg, #FB8C00, #F06C00);
	color: #fff; font-size: 16px; font-weight: 600; letter-spacing: 1px;
	box-shadow: 0 10px 26px rgba(240,108,0,.32);
	transition: transform .18s, filter .18s;
}
.kw-ask-btn:hover { transform: translateY(-1px); filter: brightness(1.06); }
.kw-ask-tip {
	text-align: center; font-size: 12px; color: #8FB7A9; margin-top: 7px; line-height: 1.6;
}
.kw-nums {
	display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 14px;
}
.kw-nums div {
	background: rgba(255,255,255,.08); border: 1px solid rgba(94,234,212,.18);
	border-radius: 12px; padding: 10px 12px; text-align: center;
}
.kw-nums b { display: block; font-size: 21px; color: #fff; font-weight: 600; line-height: 1.2; }
.kw-nums span { font-size: 11.5px; color: #8FB7A9; }

/* ---------------- 2. 状态入口卡 ---------------- */
.kw-entry {
	display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 16px;
}
.kw-entry a {
	position: relative; overflow: hidden;
	display: flex; align-items: center; gap: 13px;
	padding: 15px 18px; border-radius: 16px; text-decoration: none;
	background: var(--f-card-3, rgba(255,255,255,.96));
	border: 1px solid var(--f-line, rgba(61,214,140,.14));
	box-shadow: var(--f-shadow, 0 8px 32px rgba(43,182,115,.10));
	transition: transform .18s, box-shadow .18s, border-color .18s;
}
.kw-entry a:hover {
	transform: translateY(-2px); border-color: var(--f-line-strong, rgba(43,182,115,.4));
	box-shadow: 0 14px 36px rgba(43,182,115,.16);
}
.kw-entry .kw-en-ico {
	width: 42px; height: 42px; flex: none; border-radius: 12px;
	display: flex; align-items: center; justify-content: center;
	font-size: 18px; font-weight: 700;
}
.kw-entry .e1 .kw-en-ico { background: rgba(61,214,140,.14); color: #2BB673; }
.kw-entry .e2 .kw-en-ico { background: rgba(251,140,0,.14); color: #FB8C00; }
.kw-entry .e3 .kw-en-ico { background: rgba(59,130,246,.13); color: #3B82F6; }
.kw-entry .e4 .kw-en-ico { background: rgba(139,92,246,.13); color: #8B5CF6; }
.kw-entry .kw-en-tx b {
	display: block; font-size: 20px; font-weight: 700; color: var(--f-ink, #12332A); line-height: 1.25;
}
.kw-entry .kw-en-tx span { font-size: 12.5px; color: var(--f-ink3, #8AA79C); }
.kw-entry a.on { border-color: var(--f-line-strong, rgba(43,182,115,.4)); }

/* ---------------- 3. 分类导航 ---------------- */
.kw-cats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.kw-cat {
	position: relative; overflow: hidden;
	display: block; padding: 15px 16px 14px; border-radius: 16px; text-decoration: none;
	background: var(--f-card-3, rgba(255,255,255,.96));
	border: 1px solid var(--f-line, rgba(61,214,140,.14));
	box-shadow: var(--f-shadow, 0 8px 32px rgba(43,182,115,.10));
	transition: transform .18s, border-color .18s, box-shadow .18s;
}
.kw-cat:hover {
	transform: translateY(-2px); border-color: var(--f-line-strong, rgba(43,182,115,.4));
	box-shadow: 0 14px 36px rgba(43,182,115,.16);
}
.kw-cat .kw-cat-ico {
	width: 36px; height: 36px; border-radius: 11px; margin-bottom: 10px;
	display: flex; align-items: center; justify-content: center;
	background: linear-gradient(135deg, rgba(61,214,140,.16), rgba(94,234,212,.12));
}
.kw-cat .kw-cat-ico svg { width: 19px; height: 19px; stroke: #2BB673; fill: none; stroke-width: 1.9; }
.kw-cat b {
	display: block; font-size: 15px; font-weight: 600; color: var(--f-ink, #12332A);
	margin-bottom: 5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.kw-cat .kw-cat-sub {
	font-size: 11.5px; color: var(--f-ink4, #B8CFC6); line-height: 1.6;
	height: 36px; overflow: hidden;
}
.kw-cat .kw-cat-n {
	position: absolute; right: 13px; top: 13px;
	font-size: 11.5px; color: #2BB673; font-weight: 600;
	background: rgba(61,214,140,.12); border-radius: 20px; padding: 2px 9px;
}

/* ---------------- 4. 问答条目（列表） ---------------- */
.kw-qlist {
	border-radius: 16px; overflow: hidden;
	background: var(--f-card-3, rgba(255,255,255,.96));
	border: 1px solid var(--f-line, rgba(61,214,140,.14));
	box-shadow: var(--f-shadow, 0 8px 32px rgba(43,182,115,.10));
}
.kw-q {
	position: relative;
	display: flex; align-items: flex-start; gap: 15px;
	padding: 15px 18px;
	border-bottom: 1px solid var(--f-line-soft, rgba(18,51,42,.07));
	transition: background .16s;
}
.kw-q:last-child { border-bottom: 0; }
.kw-q:hover { background: rgba(61,214,140,.05); }

/* 左：回答数方块 */
.kw-q-st {
	width: 62px; flex: none; text-align: center;
	border-radius: 12px; padding: 8px 4px 7px;
	background: rgba(18,51,42,.03); border: 1px solid var(--f-line-soft, rgba(18,51,42,.07));
}
.kw-q-st b { display: block; font-size: 19px; font-weight: 700; line-height: 1.15; color: var(--f-ink3, #8AA79C); }
.kw-q-st span { font-size: 11px; color: var(--f-ink4, #B8CFC6); }
.kw-q-st.ok { background: rgba(61,214,140,.11); border-color: rgba(61,214,140,.26); }
.kw-q-st.ok b { color: #2BB673; }
.kw-q-st.wait { background: rgba(251,140,0,.09); border-color: rgba(251,140,0,.24); }
.kw-q-st.wait b { color: #FB8C00; }

/* 中：标题 + 摘要 + 元信息 */
.kw-q-main { flex: 1; min-width: 0; }
.kw-q-t {
	font-size: 15.5px; font-weight: 500; line-height: 1.6;
}
.kw-q-t a { color: var(--f-ink, #12332A); text-decoration: none; }
.kw-q-t a:hover { color: var(--f-p2, #2BB673); }
.kw-q-note {
	font-size: 12.5px; color: var(--f-ink2, #4A6A5E); line-height: 1.75;
	margin-top: 5px; display: -webkit-box; -webkit-line-clamp: 2;
	-webkit-box-orient: vertical; overflow: hidden;
}
.kw-q-meta {
	display: flex; align-items: center; flex-wrap: wrap; gap: 7px 14px;
	margin-top: 8px; font-size: 12px; color: var(--f-ink3, #8AA79C);
}
.kw-q-meta a { color: var(--f-ink2, #4A6A5E); text-decoration: none; }
.kw-q-meta a:hover { color: var(--f-p2, #2BB673); }
.kw-q-meta .kw-mk {
	display: inline-flex; align-items: center; gap: 4px;
}
.kw-q-meta .kw-mk svg { width: 13px; height: 13px; stroke: currentColor; fill: none; stroke-width: 2; }
.kw-q-meta .kw-credit { color: #F06C00; font-weight: 600; }

/* 右：状态徽章 */
.kw-q-r { flex: none; display: flex; flex-direction: column; align-items: flex-end; gap: 7px; }
.kw-badge {
	display: inline-flex; align-items: center; gap: 4px;
	font-size: 11.5px; border-radius: 20px; padding: 3px 10px; white-space: nowrap;
}
.kw-badge.ok { background: rgba(61,214,140,.13); color: #1E8F5A; }
.kw-badge.wait { background: rgba(251,140,0,.12); color: #D97706; }
.kw-badge.vote { background: rgba(59,130,246,.12); color: #2563EB; }
.kw-badge.gray { background: rgba(18,51,42,.05); color: var(--f-ink3, #8AA79C); }
.kw-q-time { font-size: 12px; color: var(--f-ink4, #B8CFC6); white-space: nowrap; }

/* 紧凑变体（侧栏/精华） */
.kw-q.sm { padding: 12px 15px; gap: 12px; }
.kw-q.sm .kw-q-st { width: 52px; padding: 6px 3px 5px; }
.kw-q.sm .kw-q-st b { font-size: 16px; }
.kw-q.sm .kw-q-t { font-size: 14.5px; }
.kw-q.sm .kw-q-note { -webkit-line-clamp: 1; font-size: 12px; }

/* ---------------- 5. 筛选条 ---------------- */
.kw-fbar {
	display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
	padding: 13px 18px; border-radius: 16px; margin-bottom: 14px;
	background: var(--f-card-3, rgba(255,255,255,.96));
	border: 1px solid var(--f-line, rgba(61,214,140,.14));
	box-shadow: var(--f-shadow, 0 8px 32px rgba(43,182,115,.10));
}
.kw-tabs { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.kw-tabs a {
	font-size: 13.5px; color: var(--f-ink2, #4A6A5E); text-decoration: none;
	padding: 6px 14px; border-radius: 20px; transition: all .16s;
	border: 1px solid transparent;
}
.kw-tabs a:hover { color: var(--f-p2, #2BB673); background: rgba(61,214,140,.08); }
.kw-tabs a.on {
	background: linear-gradient(135deg, #2BB673, #3DD68C); color: #fff; font-weight: 500;
	box-shadow: 0 6px 16px rgba(43,182,115,.26);
}
.kw-tabs a em { font-style: normal; opacity: .7; font-size: 12px; margin-left: 3px; }
.kw-fbar .kw-sorts { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.kw-fbar .kw-sorts a {
	font-size: 13px; color: var(--f-ink3, #8AA79C); text-decoration: none;
	padding: 5px 11px; border-radius: 8px;
}
.kw-fbar .kw-sorts a:hover { color: var(--f-p2, #2BB673); }
.kw-fbar .kw-sorts a.on { color: #2BB673; background: rgba(61,214,140,.1); font-weight: 600; }
.kw-fbar .kw-kwsch { display: flex; align-items: center; background: rgba(18,51,42,.04); border-radius: 10px; padding: 3px 4px 3px 12px; }
.kw-fbar .kw-kwsch input { border: 0; outline: 0; background: transparent; font-size: 13.5px; width: 190px; height: 30px; color: var(--f-ink, #12332A); }
.kw-fbar .kw-kwsch button { border: 0; background: #fff; color: #2BB673; font-size: 13px; padding: 5px 13px; border-radius: 8px; cursor: pointer; box-shadow: 0 2px 8px rgba(43,182,115,.14); }

/* 子分类条 */
.kw-subcats {
	display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
	padding: 11px 18px; border-radius: 14px; margin-bottom: 12px;
	background: rgba(255,255,255,.7); border: 1px solid var(--f-line, rgba(61,214,140,.14));
	font-size: 13px;
}
.kw-subcats strong { color: var(--f-ink3, #8AA79C); font-weight: 400; font-size: 12.5px; }
.kw-subcats a {
	color: var(--f-ink2, #4A6A5E); text-decoration: none;
	padding: 3px 11px; border-radius: 16px; background: rgba(18,51,42,.04);
}
.kw-subcats a:hover { color: #2BB673; background: rgba(61,214,140,.12); }
.kw-subcats a.on { background: linear-gradient(135deg, #2BB673, #3DD68C); color: #fff; }

/* ---------------- 6. 侧栏 ---------------- */
.kw-side-sec {
	border-radius: 16px; overflow: hidden; margin-bottom: 16px;
	background: var(--f-card-3, rgba(255,255,255,.96));
	border: 1px solid var(--f-line, rgba(61,214,140,.14));
	box-shadow: var(--f-shadow, 0 8px 32px rgba(43,182,115,.10));
}
.kw-side-t {
	display: flex; align-items: center; gap: 8px;
	padding: 13px 16px; border-bottom: 1px solid var(--f-line-soft, rgba(18,51,42,.07));
}
.kw-side-t h3 {
	font-size: 15px; font-weight: 700; color: var(--f-ink, #12332A); margin: 0;
	display: flex; align-items: center; gap: 7px;
}
.kw-side-t h3::before {
	content: ''; width: 3px; height: 14px; border-radius: 3px;
	background: linear-gradient(180deg, var(--f-p1, #3DD68C), var(--f-p2, #2BB673));
}
.kw-side-t em { margin-left: auto; font-style: normal; font-size: 11.5px; color: var(--f-ink4, #B8CFC6); }
.kw-side-b { padding: 12px 16px 14px; }

/* 分类列表 */
.kw-clist a {
	display: flex; align-items: center; gap: 8px;
	padding: 8px 0; text-decoration: none; font-size: 13.5px;
	border-bottom: 1px dashed var(--f-line-soft, rgba(18,51,42,.07));
}
.kw-clist a:last-child { border-bottom: 0; }
.kw-clist a span.k { flex: 1; min-width: 0; color: var(--f-ink2, #4A6A5E); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kw-clist a:hover span.k { color: var(--f-p2, #2BB673); }
.kw-clist a b { font-size: 12.5px; color: var(--f-ink3, #8AA79C); font-weight: 500; }
.kw-clist a u {
	text-decoration: none; font-size: 10.5px; color: #2BB673;
	background: rgba(61,214,140,.12); border-radius: 10px; padding: 1px 7px;
}

/* 排行 */
.kw-rank a {
	display: flex; align-items: flex-start; gap: 9px;
	padding: 8px 0; text-decoration: none;
	border-bottom: 1px dashed var(--f-line-soft, rgba(18,51,42,.07));
}
.kw-rank a:last-child { border-bottom: 0; }
.kw-rank .no {
	width: 19px; height: 19px; flex: none; border-radius: 6px; margin-top: 1px;
	display: flex; align-items: center; justify-content: center;
	font-size: 11.5px; font-weight: 700; background: rgba(18,51,42,.05); color: var(--f-ink3, #8AA79C);
}
.kw-rank a:nth-child(1) .no { background: linear-gradient(135deg,#F2545B,#FB7185); color: #fff; }
.kw-rank a:nth-child(2) .no { background: linear-gradient(135deg,#FB8C00,#FBBF24); color: #fff; }
.kw-rank a:nth-child(3) .no { background: linear-gradient(135deg,#2BB673,#3DD68C); color: #fff; }
.kw-rank b {
	flex: 1; min-width: 0; font-size: 13.5px; font-weight: 400; color: var(--f-ink2, #4A6A5E);
	line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2;
	-webkit-box-orient: vertical; overflow: hidden;
}
.kw-rank a:hover b { color: var(--f-p2, #2BB673); }
.kw-rank .hits { font-size: 11.5px; color: var(--f-ink4, #B8CFC6); flex: none; }

/* 答主 */
.kw-user {
	display: flex; align-items: center; gap: 11px;
	padding: 9px 0; border-bottom: 1px dashed var(--f-line-soft, rgba(18,51,42,.07));
}
.kw-user:last-child { border-bottom: 0; }
.kw-user img { width: 36px; height: 36px; border-radius: 50%; flex: none; background: #EEF5F1; }
.kw-user .kw-u-tx { flex: 1; min-width: 0; }
.kw-user .kw-u-tx b { display: block; font-size: 13.5px; color: var(--f-ink, #12332A); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kw-user .kw-u-tx span { font-size: 11.5px; color: var(--f-ink4, #B8CFC6); }
.kw-user .kw-u-n { flex: none; text-align: right; }
.kw-user .kw-u-n b { display: block; font-size: 16px; color: #2BB673; font-weight: 700; line-height: 1.2; }
.kw-user .kw-u-n span { font-size: 11px; color: var(--f-ink4, #B8CFC6); }

/* 指南卡 */
.kw-guide-card { display: block; padding: 14px 16px; text-decoration: none; }
.kw-guide-card p { font-size: 12.5px; color: var(--f-ink3, #8AA79C); line-height: 1.85; margin: 0 0 10px; }
.kw-guide-card i {
	display: inline-block; font-style: normal; font-size: 12.5px; color: #2BB673;
	background: rgba(61,214,140,.1); border-radius: 20px; padding: 4px 13px;
}

/* ---------------- 7. 问题详情 ---------------- */
.kw-crumb {
	display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
	font-size: 12.5px; color: var(--f-ink3, #8AA79C);
	padding: 0 4px 12px;
}
.kw-crumb a { color: var(--f-ink2, #4A6A5E); text-decoration: none; }
.kw-crumb a:hover { color: #2BB673; }
.kw-crumb i { font-style: normal; color: var(--f-ink4, #B8CFC6); }

.kw-ask {
	border-radius: 18px; overflow: hidden; margin-bottom: 16px;
	background: var(--f-card-3, rgba(255,255,255,.96));
	border: 1px solid var(--f-line, rgba(61,214,140,.14));
	box-shadow: var(--f-shadow, 0 8px 32px rgba(43,182,115,.10));
}
.kw-ask-h { padding: 20px 24px 0; }
.kw-ask-badges { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.kw-ask h1 {
	font-size: 23px; font-weight: 700; color: var(--f-ink, #12332A);
	line-height: 1.5; margin: 0 0 14px; letter-spacing: .2px;
}
.kw-ask-meta {
	display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px;
	padding-bottom: 14px; border-bottom: 1px solid var(--f-line-soft, rgba(18,51,42,.07));
	font-size: 12.5px; color: var(--f-ink3, #8AA79C);
}
.kw-ask-meta .kw-mk { display: inline-flex; align-items: center; gap: 5px; }
.kw-ask-meta .kw-mk svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.9; }
.kw-ask-meta .kw-asker { display: inline-flex; align-items: center; gap: 7px; color: var(--f-ink2, #4A6A5E); text-decoration: none; }
.kw-ask-meta .kw-asker img { width: 24px; height: 24px; border-radius: 50%; }
.kw-ask-meta .kw-asker b { font-weight: 600; }
.kw-ask-meta .kw-asker:hover b { color: #2BB673; }

.kw-ask-body { padding: 18px 24px 20px; }
.kw-ask-body .content { font-size: 15px; line-height: 2; color: var(--f-ink2, #4A6A5E); }
.kw-ask-body .content img { max-width: 100%; height: auto; border-radius: 12px; }

.kw-add {
	margin-top: 16px; padding: 14px 18px; border-radius: 14px;
	background: rgba(251,140,0,.06); border-left: 3px solid #FB8C00;
	font-size: 13.5px; line-height: 1.9; color: var(--f-ink2, #4A6A5E);
}
.kw-add b { color: #D97706; display: block; margin-bottom: 4px; font-size: 13px; }

/* 最佳答案 */
.kw-best {
	border-radius: 18px; overflow: hidden; margin-bottom: 16px; position: relative;
	background: var(--f-card-3, rgba(255,255,255,.96));
	border: 1px solid rgba(43,182,115,.34);
	box-shadow: 0 12px 40px rgba(43,182,115,.16);
}
.kw-best::before {
	content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
	background: linear-gradient(180deg, #3DD68C, #2BB673);
}
.kw-best-h {
	display: flex; align-items: center; gap: 10px;
	padding: 15px 24px 13px; border-bottom: 1px solid var(--f-line-soft, rgba(18,51,42,.07));
	background: linear-gradient(90deg, rgba(61,214,140,.08), transparent);
}
.kw-best-h .kw-crown {
	display: inline-flex; align-items: center; gap: 6px;
	font-size: 13.5px; font-weight: 700; color: #1E8F5A;
}
.kw-best-h .kw-crown svg { width: 17px; height: 17px; fill: #2BB673; }
.kw-best-h em { font-style: normal; font-size: 12px; color: var(--f-ink3, #8AA79C); margin-left: auto; }

/* 回答条目 */
.kw-ans {
	border-radius: 16px; overflow: hidden; margin-bottom: 14px;
	background: var(--f-card-3, rgba(255,255,255,.96));
	border: 1px solid var(--f-line, rgba(61,214,140,.14));
	box-shadow: var(--f-shadow, 0 8px 32px rgba(43,182,115,.10));
}
.kw-ans-h {
	display: flex; align-items: center; gap: 12px;
	padding: 14px 22px; border-bottom: 1px solid var(--f-line-soft, rgba(18,51,42,.07));
}
.kw-ans-h img { width: 40px; height: 40px; border-radius: 50%; flex: none; background: #EEF5F1; }
.kw-ans-h .kw-au { flex: 1; min-width: 0; }
.kw-ans-h .kw-au b { display: block; font-size: 14px; color: var(--f-ink, #12332A); font-weight: 600; }
.kw-ans-h .kw-au b a { color: inherit; text-decoration: none; }
.kw-ans-h .kw-au b a:hover { color: #2BB673; }
.kw-ans-h .kw-au span { font-size: 11.5px; color: var(--f-ink4, #B8CFC6); }
.kw-ans-h .kw-au-tag {
	font-size: 11.5px; color: #fff; background: linear-gradient(135deg,#FB8C00,#F06C00);
	border-radius: 20px; padding: 2px 10px; flex: none; font-weight: 500;
}
.kw-ans-h .kw-ans-op { display: flex; align-items: center; gap: 12px; flex: none; font-size: 12.5px; }
.kw-ans-h .kw-ans-op span, .kw-ans-h .kw-ans-op a {
	color: var(--f-ink3, #8AA79C); cursor: pointer; text-decoration: none;
	display: inline-flex; align-items: center; gap: 4px;
}
.kw-ans-h .kw-ans-op span:hover, .kw-ans-h .kw-ans-op a:hover { color: #2BB673; }
.kw-ans-h .kw-ans-op .kw-op-on { color: #2BB673; }
.kw-ans-b { padding: 16px 22px 18px; }
.kw-ans-b .content { font-size: 14.5px; line-height: 2; color: var(--f-ink2, #4A6A5E); }
.kw-ans-b .content img { max-width: 100%; height: auto; border-radius: 12px; }

.kw-ans-n {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 22px; height: 22px; border-radius: 11px; padding: 0 6px;
	font-size: 12px; background: rgba(61,214,140,.14); color: #2BB673; font-weight: 600;
}

/* 回答区提示 */
.kw-reply-tip {
	display: flex; align-items: center; gap: 14px;
	padding: 20px 24px; border-radius: 16px;
	background: linear-gradient(135deg, rgba(61,214,140,.08), rgba(94,234,212,.05));
	border: 1px dashed var(--f-line-strong, rgba(43,182,115,.4));
}
.kw-reply-tip b { font-size: 15px; color: var(--f-ink, #12332A); }
.kw-reply-tip p { margin: 4px 0 0; font-size: 12.5px; color: var(--f-ink3, #8AA79C); line-height: 1.8; }
.kw-reply-tip .kw-reply-btn {
	margin-left: auto; flex: none; cursor: pointer;
	background: linear-gradient(135deg, #2BB673, #3DD68C); color: #fff;
	border: 0; border-radius: 12px; height: 42px; padding: 0 26px;
	font-size: 14.5px; letter-spacing: 1px; text-decoration: none;
	display: inline-flex; align-items: center;
}

/* 详情页底部/侧栏通用 */
.kw-side-block { display: block; }

/* ---------------- 8. 指南页（faq） ---------------- */
.kw-guide-hd {
	border-radius: 20px; padding: 28px 32px; margin-bottom: 18px; position: relative; overflow: hidden;
	background: linear-gradient(135deg, #0E3B2E, #134F3C 58%, #0E4E52); color: #EAF7F1;
	box-shadow: 0 18px 50px rgba(43,182,115,.16);
}
.kw-guide-hd::before {
	content: ''; position: absolute; inset: 0; opacity: .16;
	background-image:
		linear-gradient(rgba(94,234,212,.28) 1px, transparent 1px),
		linear-gradient(90deg, rgba(94,234,212,.28) 1px, transparent 1px);
	background-size: 44px 44px; pointer-events: none;
}
.kw-guide-hd h1 { position: relative; font-size: 26px; margin: 0 0 8px; color: #fff; letter-spacing: .5px; }
.kw-guide-hd p { position: relative; font-size: 13.5px; color: #9DBFB2; margin: 0; line-height: 1.85; }

.kw-step {
	display: flex; gap: 16px; padding: 18px 22px;
	border-bottom: 1px solid var(--f-line-soft, rgba(18,51,42,.07));
}
.kw-step:last-child { border-bottom: 0; }
.kw-step .kw-step-no {
	width: 32px; height: 32px; flex: none; border-radius: 10px;
	display: flex; align-items: center; justify-content: center;
	font-size: 14px; font-weight: 700; color: #fff;
	background: linear-gradient(135deg, #2BB673, #3DD68C);
}
.kw-step .kw-step-tx { flex: 1; min-width: 0; }
.kw-step .kw-step-tx b { display: block; font-size: 15px; color: var(--f-ink, #12332A); margin-bottom: 5px; }
.kw-step .kw-step-tx p { margin: 0; font-size: 13.5px; color: var(--f-ink2, #4A6A5E); line-height: 1.9; }

/* 积分表 */
.kw-ptable { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.kw-ptable th {
	text-align: left; font-size: 12.5px; color: var(--f-ink3, #8AA79C); font-weight: 500;
	padding: 0 14px 10px; border-bottom: 1px solid var(--f-line, rgba(61,214,140,.14));
}
.kw-ptable td {
	padding: 12px 14px; border-bottom: 1px solid var(--f-line-soft, rgba(18,51,42,.07));
	color: var(--f-ink2, #4A6A5E); line-height: 1.75;
}
.kw-ptable tr:last-child td { border-bottom: 0; }
.kw-ptable .kw-pv { font-weight: 700; font-size: 14.5px; white-space: nowrap; }
.kw-ptable .kw-pv.up { color: #2BB673; }
.kw-ptable .kw-pv.dn { color: #F2545B; }
.kw-ptable tbody tr:hover td { background: rgba(61,214,140,.04); }

/* ---------------- 9. 卡片通用 ---------------- */
.kw-card {
	border-radius: 16px; overflow: hidden; margin-bottom: 16px;
	background: var(--f-card-3, rgba(255,255,255,.96));
	border: 1px solid var(--f-line, rgba(61,214,140,.14));
	box-shadow: var(--f-shadow, 0 8px 32px rgba(43,182,115,.10));
}
.kw-card-t {
	display: flex; align-items: center; gap: 9px;
	padding: 15px 20px; border-bottom: 1px solid var(--f-line-soft, rgba(18,51,42,.07));
}
.kw-card-t h3 {
	font-size: 16px; font-weight: 700; color: var(--f-ink, #12332A); margin: 0;
	display: flex; align-items: center; gap: 7px;
}
.kw-card-t h3::before {
	content: ''; width: 3px; height: 15px; border-radius: 3px;
	background: linear-gradient(180deg, var(--f-p1, #3DD68C), var(--f-p2, #2BB673));
}
.kw-card-t em { margin-left: auto; font-style: normal; font-size: 12px; color: var(--f-ink4, #B8CFC6); }
.kw-card-b { padding: 16px 20px; }

/* 表单（回答页） */
.kw-form .kw-fi { margin-bottom: 14px; }
.kw-form .kw-fi-k { font-size: 13.5px; color: var(--f-ink2, #4A6A5E); margin-bottom: 7px; font-weight: 500; }
.kw-form .kw-fi-k .f_red { color: #F2545B; }
.kw-form textarea, .kw-form input[type=text] {
	width: 100%; box-sizing: border-box; border-radius: 12px;
	border: 1px solid var(--f-line, rgba(61,214,140,.14));
	background: rgba(255,255,255,.9); padding: 12px 14px; font-size: 14.5px;
	color: var(--f-ink, #12332A); line-height: 1.85; outline: 0;
	transition: border-color .16s, box-shadow .16s; font-family: inherit;
}
.kw-form textarea:focus, .kw-form input[type=text]:focus {
	border-color: rgba(43,182,115,.5); box-shadow: var(--f-glow, 0 0 0 4px rgba(61,214,140,.12));
}

/* 投票条 */
.kw-vote-b { display: flex; align-items: center; gap: 10px; }
.kw-vote-bar { flex: 1; height: 10px; border-radius: 6px; background: rgba(18,51,42,.06); overflow: hidden; }
.kw-vote-bar i { display: block; height: 100%; border-radius: 6px; background: linear-gradient(90deg, #2BB673, #3DD68C); }

/* ---------------- 10. 响应式 ---------------- */
/* ---------------- 11. 列表页分类头 ---------------- */
.kw-cat-hd {
	position: relative; overflow: hidden;
	display: flex; align-items: center; gap: 24px;
	border-radius: 18px; padding: 22px 26px; margin-bottom: 16px;
	background: linear-gradient(135deg, #0E3B2E, #134F3C 58%, #0E4E52); color: #EAF7F1;
	box-shadow: 0 16px 44px rgba(43,182,115,.15);
}
.kw-cat-hd::before {
	content: ''; position: absolute; inset: 0; opacity: .15;
	background-image:
		linear-gradient(rgba(94,234,212,.28) 1px, transparent 1px),
		linear-gradient(90deg, rgba(94,234,212,.28) 1px, transparent 1px);
	background-size: 44px 44px; pointer-events: none;
}
.kw-cat-hd-l { position: relative; flex: 1; min-width: 0; }
.kw-cat-hd-l h1 { font-size: 23px; font-weight: 700; color: #fff; margin: 0 0 7px; letter-spacing: .3px; }
.kw-cat-hd-l p { margin: 0; font-size: 13px; color: #9DBFB2; line-height: 1.8; }
.kw-cat-hd-r { position: relative; display: flex; align-items: center; gap: 16px; flex: none; }
.kw-cat-hd-n { text-align: center; }
.kw-cat-hd-n b { display: block; font-size: 27px; font-weight: 700; color: #5EEAD4; line-height: 1.15; }
.kw-cat-hd-n span { font-size: 12px; color: #8FB7A9; }
.kw-cat-hd-r .kw-ask-btn { width: auto; padding: 0 24px; height: 44px; font-size: 15px; }

/* ---------------- 12. 搜索页顶部搜索条 ---------------- */
.kw-schbar {
	border-radius: 18px; padding: 20px 26px;
	background: var(--f-card-3, rgba(255,255,255,.96));
	border: 1px solid var(--f-line, rgba(61,214,140,.14));
	box-shadow: var(--f-shadow, 0 8px 32px rgba(43,182,115,.10));
}
.kw-schbar .kw-sch {
	max-width: 100%; background: rgba(18,51,42,.04);
	box-shadow: none; padding: 4px 4px 4px 16px;
}
.kw-schbar .kw-sch input { height: 38px; line-height: 38px; }
.kw-schbar .kw-sch button { height: 38px; }
.kw-schbar-tx { margin-top: 11px; font-size: 13px; color: var(--f-ink3, #8AA79C); }
.kw-schbar-tx b { color: #2BB673; }

/* 表单下拉 */
.kw-form select {
	border-radius: 12px; border: 1px solid var(--f-line, rgba(61,214,140,.14));
	background: rgba(255,255,255,.9); padding: 10px 14px; font-size: 14px;
	color: var(--f-ink, #12332A); outline: 0; min-width: 180px;
}
.kw-form .kw-subcats label { font-size: 13.5px; color: var(--f-ink2, #4A6A5E); }

/* 专家卡 */
.kw-exp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.kw-exp {
	display: block; text-decoration: none; padding: 20px 18px; border-radius: 16px; text-align: center;
	background: var(--f-card-3, rgba(255,255,255,.96));
	border: 1px solid var(--f-line, rgba(61,214,140,.14));
	box-shadow: var(--f-shadow, 0 8px 32px rgba(43,182,115,.10));
	transition: transform .18s, border-color .18s, box-shadow .18s;
}
.kw-exp:hover { transform: translateY(-2px); border-color: var(--f-line-strong, rgba(43,182,115,.4)); box-shadow: 0 14px 36px rgba(43,182,115,.16); }
.kw-exp img { width: 64px; height: 64px; border-radius: 50%; background: #EEF5F1; margin-bottom: 10px; }
.kw-exp b { display: block; font-size: 15.5px; color: var(--f-ink, #12332A); margin-bottom: 5px; }
.kw-exp .kw-exp-mj { font-size: 12.5px; color: var(--f-ink3, #8AA79C); line-height: 1.7; height: 42px; overflow: hidden; }
.kw-exp .kw-exp-n {
	display: flex; justify-content: center; gap: 14px; margin-top: 12px;
	padding-top: 11px; border-top: 1px solid var(--f-line-soft, rgba(18,51,42,.07));
	font-size: 11.5px; color: var(--f-ink4, #B8CFC6);
}
.kw-exp .kw-exp-n b { display: block; font-size: 15px; color: #2BB673; margin: 0; }

@media (max-width: 1380px) {
	.kw-cats { grid-template-columns: repeat(3, 1fr); }
	.kw-hero-r { width: 268px; }
}
@media (max-width: 1180px) {
	.kw-exp-grid { grid-template-columns: repeat(3, 1fr); }
	.kw-cat-hd { flex-direction: column; align-items: flex-start; gap: 16px; }
	.kw-cat-hd-r { width: 100%; justify-content: space-between; }
}
@media (max-width: 900px) {
	.kw-exp-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1180px) {
	.kw-hero-in { flex-direction: column; gap: 20px; }
	.kw-hero-r { width: 100%; }
	.kw-nums { grid-template-columns: repeat(4, 1fr); }
	.kw-entry { grid-template-columns: repeat(2, 1fr); }
	.kw-hero h1 { font-size: 25px; }
}
@media (max-width: 900px) {
	.kw-nums { grid-template-columns: repeat(2, 1fr); }
	.kw-cats { grid-template-columns: repeat(2, 1fr); }
	.kw-q { flex-wrap: wrap; }
	.kw-q-r { width: 100%; flex-direction: row; align-items: center; justify-content: flex-start; }
}

/* ================================================================
   13. know 三栏布局：问答主区 + 问答侧栏 + 技术频道(/edu/)补位栏
       ⚠️ 只作用于 know（加了 .kw3 专属类），
          不碰 article / company / exhibit 共用的 .m3，零外溢。
       原 .m3l(890) + .m3r(320) 在 1526px 容器里留出 316px 空隙，
       改为 grid 三栏后侧栏左移贴住正文，右侧空隙由技术频道栏补齐。
   ================================================================ */
.m.m3.kw3 {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 300px 330px;
	gap: 20px;
	align-items: start;
	background-image: none;   /* 去掉 style.css 在 890px 处的竖线（勿用 background 简写，会连底色一起清掉） */
	overflow: visible;
}
.m.m3.kw3 > .m3l { width: auto; float: none; min-width: 0; }
.m.m3.kw3 > .m3r { width: auto; float: none; min-width: 0; }

/* 技术频道补位栏 */
.kw-edu { display: grid; gap: 16px; align-content: start; min-width: 0; }
.kw-edu > .kw-side-sec { margin-bottom: 0; }
.kw-edu .kw-side-t h3 a { color: inherit; text-decoration: none; }
.kw-edu .kw-side-t h3 a:hover { color: var(--f-p2, #2BB673); }
.kw-edu .kw-rank a { gap: 8px; }
.kw-edu .kw-rank .hits { white-space: nowrap; flex: none; font-size: 11px; }
.kw-edu .kw-rank b {
	font-size: 13px; line-height: 1.62;
	display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

@media (max-width: 1500px) {
	.m.m3.kw3 { grid-template-columns: minmax(0, 1fr) 270px 290px; gap: 18px; }
}
@media (max-width: 1320px) {
	.m.m3.kw3 { grid-template-columns: minmax(0, 1fr) 300px; gap: 18px; }
	.m.m3.kw3 > .kw-edu { grid-column: 1 / -1; grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
	.m.m3.kw3 { grid-template-columns: minmax(0, 1fr); }
	.m.m3.kw3 > .kw-edu { grid-template-columns: 1fr; }
	.kw-edu .kw-rank b { -webkit-line-clamp: 3; }
}