/* ==========================================================================
   广东佛山鱼苗养殖场 · 主样式表
   风格：绿色健康 / 简洁大气 / 手机自适应
   说明：整站配色只需修改 :root 变量；大图通过 object-fit 自动铺满，
        任意尺寸的图片替换后都会正常显示。
   ========================================================================== */

:root{
	--g-900:#123f28;          /* 页脚深绿 */
	--g-800:#17513a;          /* 深绿 */
	--g-700:#1f6b45;          /* 主绿 */
	--g-600:#2b8555;
	--g-500:#38a168;          /* 亮绿 */
	--g-100:#dcefe3;          /* 浅绿描边 */
	--g-50:#f2f9f5;           /* 浅绿底 */
	--amber:#e9a23b;          /* 强调色（热线/按钮） */
	--ink:#20302a;            /* 标题色 */
	--txt:#57675f;            /* 正文色 */
	--txt-light:#8a978f;      /* 辅助色 */
	--line:#e4eee8;           /* 分割线 */
	--bg:#ffffff;
	--bg-soft:#f6faf7;
	--shadow-sm:0 2px 10px rgba(18,63,40,.06);
	--shadow-md:0 12px 32px rgba(18,63,40,.14);
	--r-lg:18px;
	--r-md:12px;
	--r-sm:8px;
	--ease:cubic-bezier(.16,1,.3,1);
}

/* ---------- 基础 ---------- */
*{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
	font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
	font-size:15px;line-height:1.75;color:var(--txt);background:var(--bg);
	-webkit-font-smoothing:antialiased;
}
ul,ol{list-style:none;}
a{text-decoration:none;color:inherit;transition:color .25s var(--ease);}
a:hover{color:var(--g-600);}
a,img{-webkit-tap-highlight-color:transparent;}
img{max-width:100%;border:0;vertical-align:middle;display:block;}
strong,b{font-weight:700;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.4;}
.l{float:left;}
.r{float:right;}
.clear{clear:both;}
.text_c{text-align:center;}
.dis_b{display:block;}

.container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ==========================================================================
   页头
   ========================================================================== */
.top{background:#fff;border-bottom:1px solid var(--line);}
.top_in{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;}
.logo{max-width:380px;}
.logo img{max-height:64px;width:auto;object-fit:contain;}

.top_right{display:flex;align-items:center;}
.top_tell{display:flex;align-items:center;gap:14px;}
.top_tell::before{
	content:"";width:46px;height:46px;border-radius:50%;flex:none;
	background:var(--g-50) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f6b45' stroke-width='2'%3E%3Cpath d='M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72c.13.96.36 1.9.7 2.81a2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45c.91.34 1.85.57 2.81.7A2 2 0 0 1 22 16.92z'/%3E%3C/svg%3E") center/22px no-repeat;
}
.top_phone{line-height:1.35;}
.top_phone{font-size:13px;color:var(--txt-light);}
.top_phone strong{display:block;font-size:26px;letter-spacing:.5px;}
.top_phone strong a{color:var(--g-700);}
.top_phone strong a:hover{color:var(--g-500);}
.top_phone span{font-size:12px;}

.mobile_menu_btn{
	display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
	background:#fff;color:var(--g-700);font-size:20px;line-height:1;cursor:pointer;
}
.mobile_menu_btn:hover{background:var(--g-50);}

/* ---------- 主导航 ---------- */
.nav{background:linear-gradient(90deg,var(--g-800),var(--g-600));box-shadow:0 4px 16px rgba(18,63,40,.18);position:relative;z-index:60;}
.nav .container{padding:0;}
.nav ul{display:flex;justify-content:center;}
.nav ul li{flex:1;}
.nav ul li a{
	display:block;text-align:center;padding:0 18px;height:56px;line-height:56px;
	color:rgba(255,255,255,.92);font-size:16px;letter-spacing:2px;position:relative;
}
.nav ul li a::after{
	content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%) scaleX(0);
	width:36px;height:3px;border-radius:3px 3px 0 0;background:#fff;transition:transform .3s var(--ease);
}
.nav ul li a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav ul li a:hover::after,.nav ul li a.on::after{transform:translateX(-50%) scaleX(1);}
.nav ul li a.on{color:#fff;font-weight:700;}

.nav_overlay{
	display:none;position:fixed;inset:0;background:rgba(18,63,40,.45);z-index:58;
	opacity:0;transition:opacity .3s;pointer-events:none;
}
.nav_overlay.show{opacity:1;pointer-events:auto;}

/* ==========================================================================
   首页大图轮播（大图可替换：任意尺寸自动铺满裁切）
   ========================================================================== */
.banner{position:relative;background:var(--g-50);overflow:hidden;}
.banner_big{position:relative;height:min(34vw,480px);min-height:240px;}
.banner_big ul{list-style:none;}
.banner_big ul li{
	position:absolute;inset:0;opacity:0;z-index:1;
	transition:opacity 1s var(--ease);
}
.banner_big ul li.on{opacity:1;z-index:2;}
.banner_big ul li img{width:100%;height:100%;object-fit:cover;}

.banner_sml{position:absolute;left:0;right:0;bottom:22px;z-index:5;text-align:center;}
.banner_sml ul{display:inline-flex;gap:10px;padding:8px 14px;border-radius:999px;background:rgba(18,63,40,.35);backdrop-filter:blur(4px);}
.banner_sml ul li{
	width:26px;height:6px;border-radius:999px;background:rgba(255,255,255,.55);
	cursor:pointer;transition:all .35s var(--ease);
}
.banner_sml ul li.cur{width:40px;background:#fff;}

/* ==========================================================================
   通用板块标题
   ========================================================================== */
.sec{padding:56px 0;}
.sec.bg_soft{background:var(--bg-soft);}

.sec_head{text-align:center;margin-bottom:38px;}
.sec_en{display:block;font-size:13px;letter-spacing:6px;color:var(--g-500);text-transform:uppercase;font-weight:700;}
.sec_title{font-size:32px;letter-spacing:2px;margin:6px 0 14px;}
.sec_line{display:block;width:48px;height:4px;margin:0 auto;border-radius:4px;background:linear-gradient(90deg,var(--g-500),var(--g-700));}

/* 栏目小标题（内容区） */
.blk_head{
	display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;
	padding-bottom:12px;margin-bottom:18px;border-bottom:2px solid var(--g-100);position:relative;
}
.blk_head::after{
	content:"";position:absolute;left:0;bottom:-2px;width:64px;height:2px;background:var(--g-600);
}
.blk_head strong{font-size:21px;color:var(--ink);letter-spacing:1px;}
.blk_head em{font-style:normal;font-size:13px;color:var(--g-500);letter-spacing:1px;}

/* ==========================================================================
   首页 · 鱼苗展示（横向滑动）
   ========================================================================== */
.pro_wrap{position:relative;}
.team1{
	display:flex;gap:20px;overflow-x:auto;padding:6px 2px 18px;
	scroll-snap-type:x mandatory;scrollbar-width:none;
}
.team1::-webkit-scrollbar{display:none;}
.team1 li{
	flex:0 0 262px;scroll-snap-align:start;background:#fff;border-radius:var(--r-lg);
	overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.team1 li:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);}
.team1 li img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease);}
.team1 li:hover img{transform:scale(1.06);}
.team1 li p{
	padding:12px 14px;font-size:14px;color:var(--ink);text-align:center;white-space:nowrap;
	overflow:hidden;text-overflow:ellipsis;
}
.team1 li p a:hover{color:var(--g-600);}

.sy_prev,.sy_next{
	position:absolute;top:42%;z-index:5;width:44px;height:44px;border-radius:50%;
	background:#fff;color:var(--g-700);box-shadow:var(--shadow-md);cursor:pointer;
	display:flex;align-items:center;justify-content:center;font-size:16px;user-select:none;
	transition:all .3s var(--ease);
}
.sy_prev:hover,.sy_next:hover{background:var(--g-700);color:#fff;}
.sy_prev{left:-14px;}
.sy_next{right:-14px;}

/* ==========================================================================
   首页 · 主体两栏
   ========================================================================== */
.mar_01{padding-top:46px;}
.main_01{display:flex;gap:30px;align-items:flex-start;}

.main_w1,.main_w5{flex:0 0 280px;}
.main_w2,.main_w6{flex:1;min-width:0;}

/* ---------- 侧边栏 ---------- */
.side_box{background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-sm);overflow:hidden;margin-bottom:24px;border:1px solid var(--line);}
.side_title{
	padding:14px 20px;font-size:17px;font-weight:700;color:#fff;letter-spacing:2px;
	background:linear-gradient(120deg,var(--g-700),var(--g-500));
}
.side_menu li a{
	display:flex;align-items:center;justify-content:space-between;
	padding:13px 20px;font-size:14px;color:var(--txt);border-bottom:1px solid var(--line);
	transition:all .3s var(--ease);
}
.side_menu li:last-child a{border-bottom:0;}
.side_menu li a::after{
	content:"";width:6px;height:6px;border-top:2px solid var(--g-500);border-right:2px solid var(--g-500);
	transform:rotate(45deg);opacity:.4;transition:all .3s var(--ease);
}
.side_menu li a:hover,.side_menu li a.on{
	background:var(--g-50);color:var(--g-700);padding-left:26px;font-weight:700;
}
.side_menu li a:hover::after,.side_menu li a.on::after{opacity:1;transform:rotate(45deg) translateX(3px);}

/* 侧边栏联系方式卡 */
.side_contact{position:relative;color:#fff;}
.side_contact img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.side_contact .side_ct{padding:18px 20px 22px;background:linear-gradient(160deg,var(--g-800),var(--g-600));}
.side_contact .gray{display:block;font-size:13px;color:rgba(255,255,255,.85);letter-spacing:2px;}
.side_contact .green{
	display:block;font-size:24px;font-weight:700;letter-spacing:1px;margin:4px 0 10px;color:#fff;
}
.side_contact .green a{color:#fff;}
.side_contact li{list-style:none;font-size:13px;color:rgba(255,255,255,.9);line-height:2;}
.side_contact .main_tellnr{font-size:13px;color:rgba(255,255,255,.9);margin-top:8px;line-height:1.9;}

/* ---------- 新闻双栏 ---------- */
.news_area{margin-bottom:40px;}
.news_cols{display:flex;gap:30px;}
.news_col{flex:1;min-width:0;}
.news_col_tl{
	font-size:16px;color:var(--ink);padding-left:12px;position:relative;margin-bottom:12px;
}
.news_col_tl::before{
	content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
	width:4px;height:16px;border-radius:4px;background:var(--g-500);
}
.main_news ul li{
	border-bottom:1px dashed var(--line);
}
.main_news ul li a{
	display:block;padding:10px 0 10px 16px;font-size:14px;color:var(--txt);position:relative;
	white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:all .3s var(--ease);
}
.main_news ul li a::before{
	content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
	width:5px;height:5px;border-radius:50%;background:var(--g-500);opacity:.5;transition:all .3s;
}
.main_news ul li a:hover{color:var(--g-700);padding-left:22px;}
.main_news ul li a:hover::before{opacity:1;}

/* 列表页带日期的新闻列表 */
.main_news ul li.news_d{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 4px;border-bottom:1px dashed var(--line);}
.main_news ul li.news_d a{display:block;padding:0 0 0 16px;flex:1;min-width:0;}
.main_news ul li.news_d span{
	flex:none;font-size:12px;color:var(--txt-light);background:var(--bg-soft);
	padding:3px 10px;border-radius:999px;
}

/* ---------- 关于我们 ---------- */
.main_about{background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-sm);border:1px solid var(--line);padding:24px;}
.main_about .about_img{
	float:left;width:300px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md);
	margin:0 24px 12px 0;max-width:100%;
}
.main_about p{font-size:14.5px;line-height:2;color:var(--txt);}
.about_more{
	display:inline-block;margin-top:12px;padding:8px 22px;border-radius:999px;
	background:var(--g-50);color:var(--g-700);font-size:13px;border:1px solid var(--g-100);
	transition:all .3s var(--ease);
}
.about_more:hover{background:var(--g-700);color:#fff;border-color:var(--g-700);}

/* ==========================================================================
   内页通用（列表 / 单页 / 详情）
   ========================================================================== */
.mar_03{padding:36px 0 56px;}
.main_03{display:flex;gap:30px;align-items:flex-start;}

.ny_tl{
	background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow-sm);
	padding:20px 24px;margin-bottom:22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
	position:relative;overflow:hidden;
}
.ny_tl::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:linear-gradient(180deg,var(--g-500),var(--g-800));}
.ny_tl h1{font-size:22px;letter-spacing:1px;}
.dhwz{font-size:13px;color:var(--txt-light);}
.dhwz a{color:var(--g-600);}
.dhwz a:hover{color:var(--g-500);}

.ny_ct{
	background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow-sm);
	padding:26px 28px;min-height:200px;
}

/* ---------- 产品列表网格 ---------- */
.ny_pro ul{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.ny_pro ul li{
	background:#fff;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
	transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.ny_pro ul li:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.ny_pro ul li img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease);}
.ny_pro ul li:hover img{transform:scale(1.06);}
.ny_pro ul li p{
	padding:12px 14px;text-align:center;font-size:14px;color:var(--ink);
	white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.ny_pro ul li p a:hover{color:var(--g-600);}

/* ---------- 分页 ---------- */
.fy{margin-top:28px;text-align:center;}
.fenye_pages .pagelist{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;}
.fenye_pages .pagelist li{display:inline-block;}
.fenye_pages .pagelist li a,.fenye_pages .pagelist li span{
	display:inline-block;min-width:40px;padding:8px 14px;border-radius:var(--r-sm);
	border:1px solid var(--line);background:#fff;color:var(--txt);font-size:14px;transition:all .25s;
}
.fenye_pages .pagelist li a:hover{
	background:var(--g-50);border-color:var(--g-500);color:var(--g-700);
}
.fenye_pages .pagelist li span{background:var(--g-700);border-color:var(--g-700);color:#fff;}

/* ==========================================================================
   页脚
   ========================================================================== */
#footer{background:var(--g-900);color:rgba(255,255,255,.82);margin-top:0;}
#footer .footer{padding:44px 20px 0;}
.ft_main{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:34px;}
.ft_about{max-width:620px;}
.ft_logo{font-size:20px;font-weight:700;color:#fff;letter-spacing:2px;margin-bottom:12px;display:inline-block;padding-left:14px;position:relative;}
.ft_logo::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--g-500);}
.ft_about p{font-size:13.5px;line-height:2;}
.ft_about h1{display:inline;font-size:13.5px;font-weight:400;color:rgba(255,255,255,.82);}
.ft_about strong{color:#fff;font-weight:700;}
.ft_contact{text-align:right;font-size:13.5px;line-height:2.2;}
.ft_contact p{font-size:13.5px;}
.ft_tel a{color:var(--amber);font-size:22px;font-weight:700;letter-spacing:1px;}
.ft_tel a:hover{color:#fff;}
.ft_bar{
	border-top:1px solid rgba(255,255,255,.14);padding:16px 0 20px;display:flex;
	justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.6);
}
.ft_bar a{color:rgba(255,255,255,.75);}
.ft_bar a:hover{color:#fff;}
.ft_bar .en{margin:0 2px;}

/* ==========================================================================
   返回顶部
   ========================================================================== */
.back_top{
	position:fixed;right:22px;bottom:26px;z-index:80;width:46px;height:46px;border-radius:50%;
	border:0;background:var(--g-700);color:#fff;font-size:18px;cursor:pointer;
	box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(14px);
	transition:all .35s var(--ease);
}
.back_top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back_top:hover{background:var(--g-500);}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1024px){
	.main_01,.main_03{flex-direction:column;}
	.main_w1,.main_w5{flex:none;width:100%;}
	.side_box{display:inline-block;vertical-align:top;width:calc(50% - 12px);margin-right:24px;}
	.side_box:last-of-type{margin-right:0;}
	.main_w2,.main_w6{flex:none;width:100%;}
	.news_cols{gap:22px;}
	.team1 li{flex-basis:232px;}
}

@media (max-width:768px){
	.top_in{padding:12px 16px;}
	.logo img{max-height:46px;}
	.top_phone strong{font-size:20px;}
	.top_tell::before{width:38px;height:38px;background-size:18px;}

	.mobile_menu_btn{display:block;}
	.nav{position:fixed;left:0;top:0;bottom:0;width:78%;max-width:320px;z-index:59;transform:translateX(-102%);transition:transform .35s var(--ease);overflow-y:auto;}
	.nav.open{transform:translateX(0);}
	.nav ul{display:block;padding:10px 0 30px;}
	.nav ul li{flex:none;}
	.nav ul li a{text-align:left;padding:0 26px;height:52px;line-height:52px;font-size:15px;border-bottom:1px solid rgba(255,255,255,.1);}
	.nav ul li a::after{display:none;}

	.banner_big{height:44vw;min-height:200px;}
	.banner_sml{bottom:12px;}

	.sec{padding:38px 0;}
	.sec_title{font-size:24px;}
	.blk_head strong{font-size:18px;}
	.news_cols{flex-direction:column;gap:0;}
	.main_about{padding:18px;}
	.main_about .about_img{float:none;width:100%;margin:0 0 14px;}
	.ny_pro ul{grid-template-columns:repeat(2,1fr);gap:14px;}
	.ny_ct{padding:18px 16px;}
	.ny_tl{padding:16px 18px;}
	.ny_tl h1{font-size:18px;}
	.dhwz{width:100%;}
	.sy_prev,.sy_next{display:none;}

	.ft_contact{text-align:left;}
	.ft_bar{justify-content:center;text-align:center;}

	.side_box{display:block;width:100%;margin-right:0;}
}

@media (max-width:480px){
	.top_phone span{display:none;}
	.team1 li{flex-basis:200px;}
	.ny_pro ul{grid-template-columns:1fr;}
	.container{padding:0 14px;}
	.back_top{right:14px;bottom:18px;}
}

/* ---------- 动效可关闭（无障碍） ---------- */
@media (prefers-reduced-motion:reduce){
	*,*::before,*::after{animation:none!important;transition:none!important;}
}