/* ==========================================================================
   SkyFalcon One — 单页无人机商城样式
   ========================================================================== */

:root {
	--bg: #0b0d10;
	--bg-alt: #11141a;
	--card: #161a22;
	--card-hover: #1c212c;
	--line: rgba(255, 255, 255, 0.08);
	--text: #e8eaee;
	--text-dim: #9aa3b2;
	--accent: #ff7a1a;
	--accent-strong: #ff8f3d;
	--accent-soft: rgba(255, 122, 26, 0.12);
	--radius: 16px;
	--shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
	--font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
	scroll-behavior: smooth;
	scroll-padding-top: 84px;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--font);
	font-size: 16px;
	line-height: 1.7;
	-webkit-font-smoothing: antialiased;
	/* 入场动画的横向位移不得撑出横向滚动条 */
	overflow-x: clip;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 0.5em; }

.container {
	width: min(1180px, 92%);
	margin-inline: auto;
}

.container-narrow { width: min(860px, 92%); }

/* ---------- 按钮 ---------- */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 14px 28px;
	border-radius: 999px;
	font-size: 15px;
	font-weight: 600;
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
	background: linear-gradient(135deg, var(--accent), #ff5e00);
	color: #fff;
	box-shadow: 0 10px 30px rgba(255, 106, 0, 0.35);
}

.btn-primary:hover {
	transform: translateY(-2px);
	box-shadow: 0 14px 36px rgba(255, 106, 0, 0.45);
}

.btn-ghost {
	border-color: var(--line);
	color: var(--text);
	background: rgba(255, 255, 255, 0.03);
}

.btn-ghost:hover { background: rgba(255, 255, 255, 0.08); }

.btn-sm { padding: 6px 22px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 顶部导航 ---------- */

.site-header {
	position: fixed;
	inset: 0 0 auto;
	z-index: 100;
	backdrop-filter: blur(14px);
	background: rgba(11, 13, 16, 0.72);
	border-bottom: 1px solid var(--line);
	transition: background 0.3s ease;
}

.header-inner {
	display: flex;
	align-items: center;
	gap: 28px;
	height: 68px;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-size: 19px;
	font-weight: 800;
	letter-spacing: 0.02em;
}

.brand-mark {
	display: inline-flex;
	width: 30px;
	height: 30px;
	color: var(--accent);
}

.brand-mark svg { width: 100%; height: 100%; }

.brand-sub {
	margin-left: 6px;
	font-size: 12px;
	font-weight: 600;
	color: var(--accent);
	border: 1px solid rgba(255, 122, 26, 0.4);
	border-radius: 6px;
	padding: 1px 6px;
}

.main-nav {
	display: flex;
	gap: 26px;
	margin-left: auto;
}

.main-nav a {
	font-size: 14.5px;
	color: var(--text-dim);
	transition: color 0.2s;
}

.main-nav a:hover,
.main-nav a.is-active { color: var(--text); }

.nav-toggle {
	display: none;
	flex-direction: column;
	gap: 5px;
	background: none;
	border: 0;
	padding: 8px;
	cursor: pointer;
}

.nav-toggle span {
	width: 22px;
	height: 2px;
	background: var(--text);
	border-radius: 2px;
}

/* ---------- 首屏 ---------- */

.hero {
	padding: 150px 0 70px;
	background:
		radial-gradient(1200px 500px at 80% -10%, rgba(255, 122, 26, 0.14), transparent 60%),
		radial-gradient(800px 400px at 10% 10%, rgba(64, 110, 255, 0.08), transparent 60%);
}

.hero-grid {
	display: grid;
	grid-template-columns: 1.05fr 1fr;
	align-items: center;
	gap: 48px;
}

.eyebrow {
	color: var(--accent);
	font-size: 14px;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	margin: 0 0 10px;
}

.hero h1 {
	font-size: clamp(38px, 5vw, 60px);
	font-weight: 800;
	letter-spacing: -0.01em;
}

.hero-slogan {
	font-size: clamp(19px, 2.2vw, 24px);
	color: var(--text);
	font-weight: 600;
	margin: 0 0 14px;
}

.hero-intro {
	color: var(--text-dim);
	max-width: 520px;
	margin: 0 0 28px;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-perks {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 22px;
	list-style: none;
	padding: 0;
	margin: 26px 0 0;
	color: var(--text-dim);
	font-size: 13.5px;
}

.hero-perks li::before {
	content: "✓";
	color: var(--accent);
	margin-right: 6px;
	font-weight: 700;
}

/* 3D 首屏舞台 */
.hero-stage {
	position: relative;
	perspective: 1200px;
	transform-style: preserve-3d;
	will-change: transform;
}

/* 注意：不要给子层加 transform 过渡——3D 视差由 GSAP quickTo 平滑驱动，
   CSS 过渡会与其争抢 transform 造成拖影。 */
.hero-stage > * {
	transform-style: preserve-3d;
}

.hero-drone {
	position: relative;
	z-index: 2;
	border-radius: 24px;
	box-shadow: var(--shadow);
	animation: hero-float 6s ease-in-out infinite;
	transition: opacity 0.28s ease;
}

/* 分类切换时的图片淡入淡出 */
.hero-drone.is-switching { opacity: 0; }

/* 背景径向光晕 */
.hero-glow {
	position: absolute;
	inset: 4% 4% 4% 4%;
	z-index: 0;
	border-radius: 50%;
	background: radial-gradient(circle at 50% 45%, rgba(255, 122, 26, 0.55), rgba(255, 122, 26, 0) 60%);
	filter: blur(46px);
	opacity: 0.85;
	animation: hero-pulse 5s ease-in-out infinite;
}

/* 装饰性光环 */
.hero-ring {
	position: absolute;
	inset: 8%;
	z-index: 1;
	border-radius: 50%;
	border: 1px solid rgba(255, 255, 255, 0.12);
	box-shadow: inset 0 0 60px rgba(255, 122, 26, 0.12);
}

/* 悬浮投影 */
.hero-shadow {
	position: absolute;
	left: 50%;
	bottom: -4%;
	z-index: 0;
	width: 58%;
	height: 26px;
	transform: translateX(-50%);
	background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0) 70%);
	filter: blur(8px);
	animation: hero-shadow 6s ease-in-out infinite;
}

/* 使用 translate / scale 独立属性，避免与 JS 视差的 transform 冲突；
   幅度用变量控制，移动端减半。 */
@keyframes hero-float {
	0%, 100% { translate: 0 0; }
	50% { translate: 0 var(--float-amp, -14px); }
}

@keyframes hero-shadow {
	0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.55; }
	50% { transform: translateX(-50%) scale(0.86); opacity: 0.35; }
}

@keyframes hero-pulse {
	0%, 100% { opacity: 0.7; scale: 1; }
	50% { opacity: 1; scale: 1.06; }
}

/* ---------- 数据条 ---------- */

.stats {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 16px;
	list-style: none;
	padding: 26px 30px;
	margin: 64px 0 0;
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: var(--radius);
}

.stats li { text-align: center; }

.stat-value {
	font-size: 34px;
	font-weight: 800;
	color: var(--text);
}

.stat-unit {
	font-size: 15px;
	color: var(--accent);
	font-weight: 700;
	margin-left: 3px;
}

.stat-label {
	display: block;
	color: var(--text-dim);
	font-size: 13.5px;
	margin-top: 2px;
}

/* ---------- 通用分区 ---------- */

.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

.section-head { text-align: center; margin-bottom: 52px; }

.section-head h2 {
	font-size: clamp(28px, 3.4vw, 40px);
	font-weight: 800;
}

/* ---------- 亮点 ---------- */

.feature-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 22px;
}

.feature-card {
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 30px 26px;
	transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.feature-card:hover {
	transform: translateY(-6px);
	background: var(--card-hover);
	border-color: rgba(255, 122, 26, 0.35);
}

.feature-icon {
	display: inline-flex;
	width: 48px;
	height: 48px;
	padding: 11px;
	border-radius: 12px;
	background: var(--accent-soft);
	color: var(--accent);
	margin-bottom: 16px;
}

.feature-icon svg { width: 100%; height: 100%; }

.feature-card h3 { font-size: 18px; }
.feature-card p { color: var(--text-dim); font-size: 14.5px; margin: 0; }

/* ---------- 应用场景 Missions（Tekever 风格大图卡片） ---------- */

.mission-list {
	display: flex;
	flex-direction: column;
	gap: 30px;
}

.mission-card {
	display: grid;
	grid-template-columns: 1.15fr 0.85fr;
	align-items: stretch;
	gap: 0;
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: 20px;
	overflow: hidden;
}

.mission-card.is-reverse { grid-template-columns: 0.85fr 1.15fr; }
.mission-card.is-reverse .mission-media { order: 2; }
.mission-card.is-reverse .mission-copy { order: 1; }

.mission-media {
	position: relative;
	overflow: hidden;
	min-height: 340px;
}

/* 注意：图片 transform 由 GSAP 滚动视差驱动（桌面），不要加 CSS 过渡或 hover 缩放，
   否则每次滚动更新都会被过渡追赶，视差变得迟滞。 */
.mission-media img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.mission-media::after {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(120deg, rgba(11, 13, 16, 0.55), transparent 55%);
}

.mission-index {
	position: absolute;
	top: 22px;
	left: 24px;
	z-index: 2;
	font-size: 15px;
	font-weight: 800;
	letter-spacing: 0.1em;
	color: var(--accent);
}

.mission-copy {
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 44px 46px;
}

.mission-tag {
	color: var(--accent);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	margin: 0 0 14px;
}

.mission-copy h3 {
	font-size: clamp(22px, 2.4vw, 30px);
	font-weight: 800;
	margin-bottom: 14px;
}

.mission-desc {
	color: var(--text-dim);
	font-size: 15px;
	margin: 0 0 24px;
}

.mission-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: var(--text);
	font-weight: 600;
	font-size: 15px;
	width: fit-content;
}

.mission-link span {
	transition: transform 0.25s ease;
	color: var(--accent);
}

.mission-link:hover span { transform: translateX(6px); }

/* ---------- 使命陈述带 ---------- */

.statement-band {
	position: relative;
	overflow: hidden;
	padding: 130px 0;
	text-align: center;
}

.statement-bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	transform: scale(1.08);
	filter: saturate(1.05);
	transition: opacity 0.4s ease;
}

.statement-bg.is-switching { opacity: 0; }

.statement-band::after {
	content: "";
	position: absolute;
	inset: 0;
	background:
		linear-gradient(rgba(11, 13, 16, 0.78), rgba(11, 13, 16, 0.82)),
		radial-gradient(900px 400px at 50% 40%, rgba(255, 122, 26, 0.22), transparent 65%);
}

.statement-inner {
	position: relative;
	z-index: 2;
	max-width: 820px;
}

.statement-inner h2 {
	font-size: clamp(30px, 4.6vw, 52px);
	font-weight: 800;
	line-height: 1.2;
	margin-bottom: 18px;
}

.statement-sub {
	color: var(--text-dim);
	font-size: 17px;
	max-width: 620px;
	margin: 0 auto 30px;
}

/* ---------- 规格 ---------- */

.specs-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 22px;
	align-items: start;
}

.spec-group {
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 26px;
}

.spec-group h3 {
	font-size: 17px;
	color: var(--accent);
	margin-bottom: 14px;
}

.spec-group table { width: 100%; border-collapse: collapse; }

.spec-group th,
.spec-group td {
	padding: 9px 0;
	border-bottom: 1px solid var(--line);
	font-size: 14px;
	text-align: left;
	vertical-align: top;
}

.spec-group tr:last-child th,
.spec-group tr:last-child td { border-bottom: 0; }

.spec-group th { color: var(--text-dim); font-weight: 500; width: 42%; }

/* ---------- 评价 ---------- */

.review-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 22px;
}

.review-card {
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 28px 26px;
	display: flex;
	flex-direction: column;
}

.review-stars { color: #ffb03a; letter-spacing: 3px; margin-bottom: 12px; }

.review-card p {
	color: var(--text-dim);
	font-size: 14.5px;
	flex: 1;
	margin: 0 0 18px;
}

.review-card footer strong { display: block; font-size: 15px; }
.review-card footer span { color: var(--text-dim); font-size: 13px; }

/* ---------- 购买区 ---------- */

.buy-section {
	background:
		radial-gradient(900px 400px at 50% 0%, rgba(255, 122, 26, 0.10), transparent 65%),
		var(--bg-alt);
}

.order-notice {
	max-width: 720px;
	margin: -20px auto 36px;
	padding: 14px 20px;
	border-radius: 12px;
	font-size: 15px;
	text-align: center;
}

.order-notice-ok {
	background: rgba(46, 204, 113, 0.12);
	border: 1px solid rgba(46, 204, 113, 0.45);
	color: #7bedaa;
}

.order-notice-err {
	background: rgba(231, 76, 60, 0.12);
	border: 1px solid rgba(231, 76, 60, 0.45);
	color: #ff9c90;
}

.buy-grid {
	display: grid;
	grid-template-columns: 1.15fr 1fr;
	gap: 26px;
	align-items: start;
}

.package-list {
	display: grid;
	gap: 16px;
}

.package-card {
	position: relative;
	display: block;
	background: var(--card);
	border: 1.5px solid var(--line);
	border-radius: var(--radius);
	padding: 22px 24px;
	cursor: pointer;
	transition: border-color 0.2s ease, background 0.2s ease;
}

.package-card:hover { background: var(--card-hover); }

.package-card.is-selected {
	border-color: var(--accent);
	background: linear-gradient(180deg, rgba(255, 122, 26, 0.08), rgba(255, 122, 26, 0.02)), var(--card);
}

.package-card input { position: absolute; opacity: 0; pointer-events: none; }

.package-badge {
	position: absolute;
	top: -11px;
	right: 20px;
	background: var(--accent);
	color: #fff;
	font-size: 12px;
	font-weight: 700;
	padding: 3px 12px;
	border-radius: 999px;
}

.package-name { font-size: 18px; font-weight: 700; }

.package-price {
	float: right;
	font-size: 20px;
	font-weight: 800;
	color: var(--accent);
}

.package-price del {
	font-size: 13px;
	color: var(--text-dim);
	font-weight: 400;
	margin-left: 8px;
}

.package-items {
	list-style: none;
	padding: 0;
	margin: 12px 0 0;
	display: flex;
	flex-wrap: wrap;
	gap: 6px 18px;
	clear: both;
}

.package-items li {
	color: var(--text-dim);
	font-size: 13.5px;
}

.package-items li::before {
	content: "·";
	color: var(--accent);
	font-weight: 800;
	margin-right: 6px;
}

/* 表单 */

.order-form {
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 30px 28px;
	position: sticky;
	top: 90px;
}

.order-form h3 { font-size: 19px; margin-bottom: 20px; }

.form-row { margin-bottom: 16px; }

.form-row label {
	display: block;
	font-size: 13.5px;
	color: var(--text-dim);
	margin-bottom: 6px;
}

.form-row input,
.form-row select,
.form-row textarea {
	width: 100%;
	background: var(--bg);
	border: 1px solid var(--line);
	border-radius: 10px;
	color: var(--text);
	padding: 12px 14px;
	font-size: 15px;
	font-family: inherit;
	transition: border-color 0.2s ease;
}

.form-row select {
	appearance: none;
	-webkit-appearance: none;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239aa3b2' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 14px center;
	padding-right: 38px;
	cursor: pointer;
}

.form-row select option {
	background: var(--card);
	color: var(--text);
}

/* 可搜索国家选择器 */
.country-select {
	position: relative;
}

.country-select-input {
	width: 100%;
	background: var(--bg);
	border: 1px solid var(--line);
	border-radius: 10px;
	color: var(--text);
	padding: 12px 38px 12px 14px;
	font-size: 15px;
	font-family: inherit;
	transition: border-color 0.2s ease;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239aa3b2' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 14px center;
}

.country-select-input::placeholder {
	color: var(--text-dim);
}

.country-select-input:focus {
	outline: none;
	border-color: var(--accent);
}

.country-select-list {
	position: absolute;
	top: calc(100% + 4px);
	left: 0;
	right: 0;
	z-index: 60;
	max-height: 240px;
	overflow-y: auto;
	margin: 0;
	padding: 4px;
	list-style: none;
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: 10px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.14);
}

.country-select-list li {
	padding: 9px 12px;
	border-radius: 7px;
	font-size: 14.5px;
	color: var(--text);
	cursor: pointer;
}

.country-select-list li:hover,
.country-select-list li.is-active {
	background: var(--bg);
	color: var(--accent);
}

.country-select-list li.country-select-empty {
	color: var(--text-dim);
	cursor: default;
	font-style: italic;
}

.country-select.has-error .country-select-input {
	border-color: #d63638;
}

.country-select-error {
	color: #d63638;
	font-size: 13px;
	margin: 6px 0 0;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
	outline: none;
	border-color: var(--accent);
}

.qty-stepper {
	display: inline-flex;
	align-items: center;
	border: 1px solid var(--line);
	border-radius: 10px;
	overflow: hidden;
}

.qty-stepper button {
	width: 42px;
	height: 44px;
	background: var(--bg);
	border: 0;
	color: var(--text);
	font-size: 18px;
	cursor: pointer;
}

.qty-stepper button:hover { background: var(--card-hover); }

.qty-stepper input {
	width: 64px;
	height: 44px;
	text-align: center;
	background: var(--bg);
	border: 0;
	border-inline: 1px solid var(--line);
	color: var(--text);
	font-size: 16px;
	font-weight: 700;
	-moz-appearance: textfield;
}

.qty-stepper input::-webkit-outer-spin-button,
.qty-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; }

.order-summary {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	border-top: 1px dashed var(--line);
	margin: 20px 0 18px;
	padding-top: 16px;
	color: var(--text-dim);
	font-size: 14px;
}

.order-summary strong {
	font-size: 26px;
	color: var(--accent);
	font-weight: 800;
}

.order-tip {
	color: var(--text-dim);
	font-size: 12.5px;
	text-align: center;
	margin: 12px 0 0;
}

.hp-field { position: absolute; left: -9999px; }

/* ---------- FAQ ---------- */

.faq-list { display: grid; gap: 12px; }

.faq-item {
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: 12px;
	padding: 4px 22px;
}

.faq-item summary {
	cursor: pointer;
	font-weight: 600;
	font-size: 15.5px;
	padding: 16px 0;
	list-style: none;
	position: relative;
	padding-right: 30px;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
	content: "+";
	position: absolute;
	right: 2px;
	top: 50%;
	transform: translateY(-50%);
	color: var(--accent);
	font-size: 20px;
	transition: transform 0.2s ease;
}

.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }

.faq-item p {
	color: var(--text-dim);
	font-size: 14.5px;
	margin: 0 0 18px;
}

/* ---------- 页脚 ---------- */

.site-footer {
	border-top: 1px solid var(--line);
	padding: 44px 0 0;
	background: var(--bg);
}

.footer-inner {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	gap: 24px;
	flex-wrap: wrap;
}

.footer-note { color: var(--text-dim); font-size: 13px; margin-top: 8px; }

.footer-links { display: flex; gap: 22px; }

.footer-links a {
	color: var(--text-dim);
	font-size: 14px;
}

.footer-links a:hover { color: var(--text); }

.copyright {
	color: var(--text-dim);
	font-size: 12.5px;
	padding: 22px 0 26px;
	margin-top: 26px;
	border-top: 1px solid var(--line);
	text-align: center;
}

/* ---------- 产品目录：分类分栏 ---------- */

.cat-tabs {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	justify-content: center;
	margin-bottom: 30px;
}

.cat-tab {
	display: inline-flex;
	align-items: center;
	gap: 14px;
	padding: 16px 26px;
	background: var(--card);
	border: 1.5px solid var(--line);
	border-radius: 14px;
	color: var(--text);
	cursor: pointer;
	transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.cat-tab:hover { background: var(--card-hover); transform: translateY(-2px); }

.cat-tab.is-active {
	border-color: var(--accent);
	background: linear-gradient(180deg, rgba(255, 122, 26, 0.10), rgba(255, 122, 26, 0.02)), var(--card);
}

.cat-tab-icon {
	display: inline-flex;
	width: 38px;
	height: 38px;
	padding: 8px;
	border-radius: 10px;
	background: var(--accent-soft);
	color: var(--accent);
}

.cat-tab-icon svg { width: 100%; height: 100%; }

.cat-tab span > strong { display: block; font-size: 16px; font-weight: 700; text-align: left; }
.cat-tab span > em { font-style: normal; font-size: 12px; color: var(--text-dim); letter-spacing: 0.08em; }

.cat-panel[hidden] { display: none; }

.catalog-toolbar {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 10px;
	margin: -10px 0 20px;
}

.sort-label {
	color: var(--text-dim);
	font-size: 14px;
}

.sort-select {
	appearance: none;
	-webkit-appearance: none;
	background: var(--card) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239aa3b2' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat right 14px center;
	border: 1.5px solid var(--line);
	border-radius: 99px;
	color: var(--text);
	font-family: var(--font);
	font-size: 14px;
	padding: 10px 40px 10px 18px;
	cursor: pointer;
	transition: border-color 0.2s ease, background-color 0.2s ease;
}

.sort-select:hover,
.sort-select:focus {
	border-color: var(--accent);
	outline: none;
}

.sort-select option {
	background: var(--card);
	color: var(--text);
}

.cat-panel-desc {
	text-align: center;
	color: var(--text-dim);
	font-size: 15px;
	margin: 0 0 30px;
}

.product-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 24px;
}

.product-card {
	display: flex;
	flex-direction: column;
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: 18px;
	overflow: hidden;
	transition: transform 0.25s ease, border-color 0.25s ease;
}

.product-card:hover { transform: translateY(-6px); border-color: rgba(255, 122, 26, 0.35); }

.product-thumb {
	position: relative;
	display: block;
	aspect-ratio: 10 / 10;
	overflow: hidden;
	background: #0f1216;
}

.product-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.product-card:hover .product-thumb img { transform: scale(1.05); }

.product-cat {
	position: absolute;
	top: 14px;
	left: 14px;
	padding: 4px 12px;
	border-radius: 999px;
	background: rgba(11, 13, 16, 0.7);
	backdrop-filter: blur(6px);
	border: 1px solid var(--line);
	font-size: 12px;
	color: var(--text);
}

.product-body {
	display: flex;
	flex-direction: column;
	flex: 1;
	padding: 24px 24px 22px;
}

.product-body h3 { font-size: 21px; font-weight: 800; margin: 0 0 6px; }
.product-body h3 a:hover { color: var(--accent); }

.product-tagline { color: var(--text); font-size: 14px; margin: 0 0 10px; }
.product-blurb { color: var(--text-dim); font-size: 13.5px; margin: 0 0 16px; }

.product-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	list-style: none;
	padding: 0;
	margin: 0 0 20px;
}

.product-chips li {
	font-size: 12.5px;
	color: var(--text-dim);
	background: var(--bg);
	border: 1px solid var(--line);
	border-radius: 999px;
	padding: 4px 12px;
}

.product-foot {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-top: auto;
	flex-wrap: wrap;
}

.product-price-label { display: block; font-size: 12px; color: var(--text-dim); }
.product-price strong { font-size: 22px; font-weight: 800; color: var(--accent); }

.product-actions { display: flex; gap: 8px; }

/* 返回全部产品 */
.back-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: var(--text-dim);
	font-size: 14px;
	margin-bottom: 18px;
}

.back-link:hover { color: var(--text); }
.back-link span { color: var(--accent); }

/* ---------- 滚动入场动画（由 GSAP 驱动，此处仅提供初始隐藏与降级） ---------- */

.reveal {
	opacity: 0;
	visibility: hidden;
}

/* GSAP 加载失败或无 JS 时的降级：直接显示 */
.reveal.is-visible {
	opacity: 1;
	visibility: visible;
	transform: none;
	filter: none;
}

@media (prefers-reduced-motion: reduce) {
	.reveal { opacity: 1; visibility: visible; }
	.hero-drone,
	.hero-glow,
	.hero-shadow { animation: none; }
	.hero-stage > * { transition: none; }
	html { scroll-behavior: auto; }
}

/* ---------- 响应式 ---------- */

@media (max-width: 1020px) {
	.hero-grid { grid-template-columns: 1fr; text-align: center; }
	.hero-copy { order: 2; }
	.hero-media { order: 1; max-width: 620px; margin-inline: auto; }
	.hero-intro { margin-inline: auto; }
	.hero-cta, .hero-perks { justify-content: center; }
	.feature-grid, .review-grid, .specs-grid { grid-template-columns: repeat(2, 1fr); }
	.buy-grid { grid-template-columns: 1fr; }
	.order-form { position: static; }

	.mission-card,
	.mission-card.is-reverse { grid-template-columns: 1fr; }
	.mission-card.is-reverse .mission-media { order: 1; }
	.mission-card.is-reverse .mission-copy { order: 2; }
	.mission-media { min-height: 360px; }
	.mission-copy { padding: 32px 30px; }
	.statement-band { padding: 90px 0; }
}

@media (max-width: 680px) {
	.main-nav {
		position: fixed;
		top: 68px;
		right: 0;
		left: 0;
		flex-direction: column;
		gap: 0;
		background: rgba(11, 13, 16, 0.97);
		border-bottom: 1px solid var(--line);
		padding: 8px 0;
		display: none;
	}

	.main-nav.is-open { display: flex; }

	.main-nav a { padding: 14px 6%; }

	.nav-toggle { display: flex; }

	.header-inner .btn { margin-left: auto; }

	.section { padding: 64px 0; }
	.hero { padding-top: 110px; }
	.stats { grid-template-columns: repeat(2, 1fr); gap: 24px 8px; }
	.feature-grid, .review-grid, .specs-grid, .product-grid { grid-template-columns: 1fr; }
	.cat-tab { flex: 1 1 100%; }
	.product-foot { flex-direction: column; align-items: flex-start; }

	/* ---- 移动端动效减负 ---- */

	/* 悬浮幅度减半，画面更稳 */
	.hero-drone { --float-amp: -7px; }

	/* 大半径模糊在移动 GPU 上开销大：减小模糊半径并停掉呼吸动画 */
	.hero-glow {
		filter: blur(24px);
		animation: none;
		opacity: 0.75;
	}

	/* 移动端无背景缓推动画，无需预放大（避免裁切与额外栅格化） */
	.statement-bg { transform: none; }

	.statement-inner h2 { font-size: clamp(26px, 8vw, 34px); }
}

/* ==========================================================================
   资讯模块（文章列表 + 文章详情）
   ========================================================================== */

.news-hero { padding-top: 140px; }

.news-hero .section-head h1 {
	font-size: clamp(32px, 5vw, 52px);
	margin: 6px 0 10px;
}

.section-sub { color: var(--text-dim); max-width: 560px; margin-inline: auto; }

.news-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 24px;
}

.news-card {
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: transform 0.3s ease, background 0.3s ease;
}

.news-card:hover { transform: translateY(-4px); background: var(--card-hover); }

.news-media {
	display: block;
	aspect-ratio: 16 / 9;
	overflow: hidden;
}

.news-media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
}

.news-card:hover .news-media img { transform: scale(1.05); }

.news-body {
	padding: 20px 22px 22px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	flex: 1;
}

.news-meta {
	margin: 0;
	font-size: 13px;
	color: var(--text-dim);
	display: flex;
	align-items: center;
	gap: 10px;
}

.news-cat {
	color: var(--accent);
	background: var(--accent-soft);
	border-radius: 99px;
	padding: 2px 10px;
	font-weight: 600;
}

.news-title {
	font-size: 19px;
	margin: 0;
}

.news-title a:hover { color: var(--accent-strong); }

.news-excerpt {
	margin: 0;
	color: var(--text-dim);
	font-size: 14px;
	flex: 1;
}

.news-more {
	font-size: 14px;
	font-weight: 600;
	color: var(--accent);
}

.news-more:hover { color: var(--accent-strong); }

.news-empty {
	text-align: center;
	color: var(--text-dim);
	padding: 60px 0;
}

.news-pagination {
	margin-top: 40px;
	display: flex;
	justify-content: center;
	gap: 6px;
	flex-wrap: wrap;
}

.news-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	min-height: 40px;
	padding: 0 16px;
	border: 1px solid var(--line);
	border-radius: 999px;
	color: var(--text-dim);
	font-size: 14px;
}

.news-pagination .page-numbers:hover { color: var(--text); border-color: var(--accent); }

.news-pagination .page-numbers.current {
	background: var(--accent);
	border-color: var(--accent);
	color: #14100b;
	font-weight: 700;
}

.home-news-all {
	margin-top: 36px;
	text-align: center;
}

/* ---------- 文章详情 ---------- */

.article-single { padding-top: 140px; }

.article-container { width: min(860px, 92%); }

.article-head h1 {
	font-size: clamp(28px, 4.5vw, 44px);
	margin: 8px 0 0;
}

.article-cover {
	margin: 32px 0;
	border-radius: var(--radius);
	overflow: hidden;
	border: 1px solid var(--line);
	max-height: 500px;
}

.article-cover img {
	width: 100%;
	height: 500px;
	object-fit: cover;
	display: block;
}


.article-body {
	color: var(--text-dim);
	font-size: 16.5px;
}

.article-body h2,
.article-body h3 {
	color: var(--text);
	margin: 1.6em 0 0.6em;
}

.article-body p { margin: 0 0 1.1em; }

.article-body a { color: var(--accent); }

.article-body a:hover { color: var(--accent-strong); }

.article-body img {
	border-radius: 12px;
	margin: 20px 0;
}

.article-body blockquote {
	margin: 24px 0;
	padding: 4px 22px;
	border-left: 3px solid var(--accent);
	background: var(--card);
	border-radius: 0 12px 12px 0;
}

/* 要点速览框（GEO 答案摘取区） */
.article-body .article-tldr {
	background: var(--card);
	border: 1px solid var(--line);
	border-left: 3px solid var(--accent);
	border-radius: 12px;
	padding: 18px 24px;
	margin: 26px 0;
}

.article-body .article-tldr strong { color: var(--text); }

.article-body .article-tldr ul { margin: 10px 0 0; }

.article-body table {
	width: 100%;
	border-collapse: collapse;
	margin: 22px 0;
	font-size: 15px;
}

.article-body th,
.article-body td {
	border: 1px solid var(--line);
	padding: 10px 14px;
	text-align: left;
	vertical-align: top;
}

.article-body th {
	background: var(--card);
	color: var(--text);
	white-space: nowrap;
}

.article-body ul,
.article-body ol { padding-left: 1.4em; margin: 0 0 1.1em; }

.article-nav {
	margin-top: 48px;
	padding-top: 24px;
	border-top: 1px solid var(--line);
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
}

.article-nav-item span {
	display: block;
	font-size: 13px;
	color: var(--text-dim);
	margin-bottom: 4px;
}

.article-nav-item a { font-weight: 600; }

.article-nav-item a:hover { color: var(--accent-strong); }

.article-nav-next { text-align: right; }

.article-cta {
	background: var(--bg-alt);
	border-top: 1px solid var(--line);
	text-align: center;
}

@media (max-width: 900px) {
	.news-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
	.news-hero { padding-top: 110px; }
	.article-single { padding-top: 110px; }
	.news-grid { grid-template-columns: 1fr; }
	.article-nav { grid-template-columns: 1fr; }
	.article-nav-next { text-align: left; }
}

/* ==========================================================================
   AI Live Chat
   ========================================================================== */

.sf-chat {
	position: fixed;
	right: 22px;
	bottom: 22px;
	z-index: 9990;
	font-family: var(--font);
}

.sf-chat-launcher {
	width: 58px;
	height: 58px;
	border: 0;
	border-radius: 50%;
	cursor: pointer;
	display: grid;
	place-items: center;
	color: #0b0d10;
	background: linear-gradient(135deg, var(--accent), #ff5e00);
	box-shadow: 0 10px 28px rgba(255, 122, 26, 0.35), 0 2px 8px rgba(0, 0, 0, 0.35);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sf-chat-launcher:hover {
	transform: translateY(-2px) scale(1.03);
	box-shadow: 0 14px 32px rgba(255, 122, 26, 0.45), 0 2px 8px rgba(0, 0, 0, 0.4);
}

.sf-chat-launcher svg {
	width: 26px;
	height: 26px;
}

.sf-chat-launcher-close { display: none; }
.sf-chat[data-open="true"] .sf-chat-launcher-icon { display: none; }
.sf-chat[data-open="true"] .sf-chat-launcher-close { display: block; }

.sf-chat-panel {
	position: absolute;
	right: 0;
	bottom: 72px;
	width: min(380px, calc(100vw - 28px));
	height: min(560px, calc(100vh - 110px));
	display: flex;
	flex-direction: column;
	background: #12151c;
	border: 1px solid var(--line);
	border-radius: 18px;
	overflow: hidden;
	box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
	transform-origin: bottom right;
	animation: sfChatIn 0.22s ease;
}

@keyframes sfChatIn {
	from { opacity: 0; transform: translateY(12px) scale(0.96); }
	to { opacity: 1; transform: none; }
}

.sf-chat-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 14px 16px;
	background: linear-gradient(180deg, #1a1f29, #141820);
	border-bottom: 1px solid var(--line);
}

.sf-chat-title {
	display: block;
	font-size: 15px;
	color: var(--text);
}

.sf-chat-sub {
	display: block;
	font-size: 12px;
	color: var(--text-dim);
	margin-top: 2px;
}

.sf-chat-status {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 12px;
	color: #7ddea2;
	white-space: nowrap;
}

.sf-chat-status i {
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: #3ecf8e;
	box-shadow: 0 0 0 3px rgba(62, 207, 142, 0.2);
}

.sf-chat-messages {
	flex: 1;
	overflow-y: auto;
	padding: 16px;
	display: flex;
	flex-direction: column;
	gap: 12px;
	background:
		radial-gradient(ellipse at top right, rgba(255, 122, 26, 0.06), transparent 50%),
		#0e1117;
}

.sf-chat-bubble {
	max-width: 92%;
	display: flex;
}

.sf-chat-bubble--user {
	align-self: flex-end;
}

.sf-chat-bubble--model {
	align-self: flex-start;
}

.sf-chat-bubble-inner {
	padding: 10px 13px;
	border-radius: 14px;
	font-size: 14px;
	line-height: 1.5;
	word-break: break-word;
}

.sf-chat-bubble--user .sf-chat-bubble-inner {
	background: linear-gradient(135deg, var(--accent), #ff5e00);
	color: #0b0d10;
	border-bottom-right-radius: 4px;
}

.sf-chat-bubble--model .sf-chat-bubble-inner {
	background: var(--card);
	color: var(--text);
	border: 1px solid var(--line);
	border-bottom-left-radius: 4px;
}

.sf-chat-bubble--model .sf-chat-bubble-inner a {
	color: var(--accent-strong);
	text-decoration: underline;
	text-underline-offset: 2px;
}

.sf-chat-li {
	display: block;
	padding-left: 0.9em;
	position: relative;
	margin: 0.2em 0;
}

.sf-chat-li::before {
	content: "•";
	position: absolute;
	left: 0;
	color: var(--accent);
}

.sf-chat-dots {
	display: inline-flex;
	gap: 5px;
	align-items: center;
	height: 16px;
}

.sf-chat-dots i {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--text-dim);
	animation: sfChatDot 1.2s infinite ease-in-out;
}

.sf-chat-dots i:nth-child(2) { animation-delay: 0.15s; }
.sf-chat-dots i:nth-child(3) { animation-delay: 0.3s; }

@keyframes sfChatDot {
	0%, 80%, 100% { opacity: 0.3; transform: translateY(0); }
	40% { opacity: 1; transform: translateY(-3px); }
}

.sf-chat-form {
	display: flex;
	align-items: flex-end;
	gap: 8px;
	padding: 12px;
	border-top: 1px solid var(--line);
	background: #12151c;
}

.sf-chat-form textarea {
	flex: 1;
	resize: none;
	min-height: 42px;
	max-height: 120px;
	padding: 10px 12px;
	border-radius: 12px;
	border: 1.5px solid var(--line);
	background: var(--card);
	color: var(--text);
	font: inherit;
	font-size: 14px;
	line-height: 1.4;
}

.sf-chat-form textarea:focus {
	outline: none;
	border-color: var(--accent);
}

.sf-chat-send {
	width: 42px;
	height: 42px;
	flex-shrink: 0;
	border: 0;
	border-radius: 12px;
	cursor: pointer;
	display: grid;
	place-items: center;
	background: linear-gradient(135deg, var(--accent), #ff5e00);
	color: #0b0d10;
	transition: opacity 0.2s ease;
}

.sf-chat-send:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.sf-chat-send svg {
	width: 18px;
	height: 18px;
}

.sf-chat-foot {
	margin: 0;
	padding: 0 12px 10px;
	font-size: 11px;
	color: var(--text-dim);
	text-align: center;
	background: #12151c;
}

.sf-chat .screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	border: 0;
}

@media (max-width: 480px) {
	.sf-chat {
		right: 14px;
		bottom: 14px;
	}

	.sf-chat-panel {
		width: calc(100vw - 28px);
		height: min(70vh, 520px);
		bottom: 68px;
	}
}